Sioux Falls, SD

11:16 AM CDT on May 21, 2013 (GMT -0500)
Elev: 1473 ft
Lon: 96.7° W
Lat: 43.6° N
Source
Rapid Fire Updates™
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Global: Violent Tornado Causes Catastrophic Damage in Moore, Oklahoma
News
Why Don't More Homes in Oklahoma Have Basements?
May 21, 2013
The answer lies in the level of the water table and the soil texture in Oklahoma and in states across the Plains.
Photos: Deadly Tornado Outbreak Strikes Plains
May 21, 2013
A tornado outbreak struck the Plains states on May 19, 2013, leaving widespread damage in its wake.
Pres. Obama Says Focus Is On 'Urgent Work of Rescue'
May 21, 2013
The search and rescue efforts are ongoing in Moore, Okla. after a massive tornado levelled the town and local schools.
Children and the Tornado: Helping Kids Cope
May 21, 2013
Any time children are involved in a catastrophe, emotional reactions among survivors and across the nation are particularly strong.
Recap: Tornadoes Rake Oklahoma, Kansas, Iowa
May 21, 2013
The weather imagery, video and recap from tornadoes in the Plains on May 19, 2013.
Tornado Took Similar Path to 1999 F5
May 21, 2013
Moore, Oklahoma is no stranger to devastating tornadoes.
'I Expected Chaos:' Scenes from Okla. School
May 21, 2013
A photographer who was among the first to arrive at an Oklahoma Elementary School after a tornado destroyed it, describes the heart-wrenching scene.
Obama: 'Americans From Every Corner of This Country Will Be With Them'
May 21, 2013
Obama has declared a major disaster in Oklahoma, ordering federal aid to supplement state and local recovery efforts. The president also spoke Monday with Oklahoma Gov. Mary Fallin and Rep. Tom Cole, whose home is in the heavily damaged town of Moore.
A Timeline of Deadly Events in Moore, Okla.
May 21, 2013
Check out this comprehensive timeline of the events that transpired in Moore, Okla.
In Tornado's Wake, Worried Parents Seek Out Kids
May 21, 2013
A desperate search was underway by parents looking to find children after the massive tornado.
Massive Tornado Damages Small Okla. City Hospital
May 21, 2013
Officials say a tornado hit a small hospital in suburban Oklahoma City, but all the 30 patients inside survived.
Moore Already at Work on Recovery, Says Mayor
May 21, 2013
Glenn Lewis was the mayor of Moore, Okla., when the strongest tornado on record whipped the city in 1999, and he says the most recent storm won't deter the community from rebuilding.
Moore Survivor Finds Dog Buried Alive
May 21, 2013
Watch as a tornado survivor is interrupted in the middle of interview by a little dog digging out of rubble.
Oklahoma Tornado: How to Help
May 21, 2013
There are several agencies asking for donations to help those hit hard by the Oklahoma tornadoes.
Multiple Children Dead at Okla. School
May 21, 2013
More than a dozen children are dead in the devastating Moore, Okla. tornado.
Twitter Responds With Prayers for Oklahoma Tornado Victims
May 21, 2013
Twitter responds to the devastation brought by tornadoes Monday in suburban Oklahoma City, offering condolences and prayers for the victims and survivors.
In Their Words: The Oklahoma Tornado Tragedy
May 21, 2013
Our reporters were among the first national media to report from Moore, Okla. shortly after a powerful tornado decimated the town. These are their thoughts as they report from the scene.
Obama Declares Major Disaster in Oklahoma
May 21, 2013
President Barack Obama has declared a major disaster in Oklahoma as the state recovers from a massive tornado that ripped through the Oklahoma City suburbs Monday, killing dozens and flattening entire neighborhoods.
Photos, Social Media Capture Terror of Okla. Tornadoes
May 20, 2013
Catastrophic tornadoes developed in Oklahoma on Monday. Here are photos and social media reports.
Huge Rock Crashes Into Moon, Sparks Giant Explosion
May 20, 2013
The moon has a new hole on its surface thanks to a boulder that slammed into it in March, creating the biggest explosion scientists have seen on the moon since they started monitoring it.
More News Articles
Weather Summary
Kari Kiefer
Weather Underground Forecast for Tuesday, May 21, 2013.

After a devastating severe weather day in the Plains on Monday, severe weather is expected to fire up again across the nation's mid-section again on Tuesday.

The nearly stationary low over the Northern Plains will gradually weaken as it shifts eastward into the Midwest on Tuesday, while the system's associated cold front trails southwestward from the low across the Mid-Mississippi Valley through the Southern Plains. Favorable energy and conditions ahead of the cold front combined with the moisture laden conditions of the nation's mid-section will set the stage for multiple clusters of thunderstorms to develop from the Midwest into the Ozarks and the Southern Plains. Portions of northeastern Texas, extreme southeastern Oklahoma, central and southern Arkansas, and northwestern Louisiana are at moderate risk of severe thunderstorm activity as environmental conditions remain favorable for tornadoes, damaging wind gusts, and very large hail. Areas surrounding this moderate risk region from the parts of central and eastern Texas into the Upper Great Lakes are at slight risk of severe thunderstorm development with hail, damaging wind gusts, and isolated tornadoes.

Meanwhile, areas of heavy rain and widely scattered showers will continue near the low in the Northern Plains and Upper Mississippi Valley and near and to the north of a nearly stationary frontal boundary extending out ahead of the system from the Great Lakes into the Northeast. Continued precipitation in already saturated areas of the Northern Plains and Upper Midwest will maintain flood concerns from parts of North Dakota into northern Wisconsin.

Elsewhere, scattered showers and thunderstorms are expected to persist in the Mid-Atlantic and southeastern corner of the nation.
Weather Underground Forecast for Tuesday, May 21, 2013.

After a devastating severe weather day in the Plains on Monday, severe weather is expected to fire up again across the nation's mid-section again on Tuesday.

The nearly stationary low over the Northern Plains will gradually weaken as it shifts eastward into the Midwest on Tuesday, while the system's associated cold front trails southwestward from the low across the Mid-Mississippi Valley through the Southern Plains. Favorable energy and conditions ahead of the cold front combined with the moisture laden conditions of the nation's mid-section will set the stage for multiple clusters of thunderstorms to develop from the Midwest into the Ozarks and the Southern Plains. Portions of northeastern Texas, extreme southeastern Oklahoma, central and southern Arkansas, and northwestern Louisiana are at moderate risk of severe thunderstorm activity as environmental conditions remain favorable for tornadoes, damaging wind gusts, and very large hail. Areas surrounding this moderate risk region from the parts of central and eastern Texas into the Upper Great Lakes are at slight risk of severe thunderstorm development with hail, damaging wind gusts, and isolated tornadoes.

Meanwhile, areas of heavy rain and widely scattered showers will continue near the low in the Northern Plains and Upper Mississippi Valley and near and to the north of a nearly stationary frontal boundary extending out ahead of the system from the Great Lakes into the Northeast. Continued precipitation in already saturated areas of the Northern Plains and Upper Midwest will maintain flood concerns from parts of North Dakota into northern Wisconsin.

Elsewhere, scattered showers and thunderstorms are expected to persist in the Mid-Atlantic and southeastern corner of the nation.
More News Articles

Sioux Falls Weather at a Glance

Updated 11:15 AM CDT
Elevation
1424 ft
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Now
Light Rain
Light Rain
Temperature
55.1 °F
Feels Like 55.1 °F
Wind(mph)
2.0
Sunrise / Set
5:56 AM
8:51 PM
Moon
Waxing Gibbous
Today
Rain Showers 61 °F
Rain Showers
60% chance of precipitation
Tonight
Chance of Rain 46 °F
Chance of Rain
50% chance of precipitation
Tomorrow
Chance of Rain 59 | 43 °F
Chance of Rain
50% chance of precipitation
Thursday
Partly Cloudy 73 | 45 °F
Partly Cloudy
Friday
Chance of Rain 68 | 54 °F
Chance of Rain
20% chance of precipitation
Saturday
Chance of a Thunderstorm 68 | 57 °F
Chance of T-storms
50% chance of precipitation
Today is forecast to be Much Cooler than yesterday.
Conditions
Pressure
29.56 in
Visibility
7.0 miles
Clouds
Few 1100 ft
Mostly Cloudy 1800 ft
Overcast 7000 ft
Moisture
Humidity
88%
Rainfall
0.01 in
Snow Depth
Not available.
METAR
METAR KFSD 211556Z 23005KT 7SM -RA FEW011 BKN018 OVC070 12/10 A2956 RMK AO2 SLP010 P0001 T01170100
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Weather Radio
Weather Radio Index
Temperature
Temperature
55.1 °F
54,54,53,52,52,51,52,52,52,52,52,53,53
Dew Point
52 °F
Wind
Speed / Dir
2.0 mph from SE
Wind Gust
4.0 mph
Health
UV
2 out of 16
Pollen
6.70 out of 12
Pollen Forecast
Air Quality
Not available.
Flu Activity
Sporadic
View Flu Map
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Source: BestForecast
Descriptive Forecast
Tuesday
rain Overcast with a chance of rain, then rain showers in the afternoon. High of 61F. Winds from the West at 10 to 15 mph. Chance of rain 60%.
Tuesday Night
nt_chancerain Overcast with a chance of rain. Low of 46F. Winds from the NW at 5 to 10 mph. Chance of rain 50%.
Wednesday
chancerain Overcast with a chance of rain. High of 59F. Winds from the NNW at 10 to 15 mph. Chance of rain 50%.
Wednesday Night
nt_partlycloudy Overcast in the evening, then partly cloudy. Fog overnight. Low of 43F. Winds from the NNW at 5 to 15 mph.
Thursday
partlycloudy Partly cloudy in the morning, then clear. High of 73F. Winds from the North at 5 to 15 mph shifting to the ENE in the afternoon.
Thursday Night
nt_clear Clear. Low of 45F. Winds from the ESE at 5 to 15 mph.
Friday
partlycloudy Partly cloudy in the morning, then overcast with a chance of rain. High of 68F. Winds from the SSE at 10 to 15 mph. Chance of rain 20%.
Friday Night
nt_chancetstorms Overcast with a chance of rain, then a chance of a thunderstorm and rain after midnight. Low of 54F. Winds from the SSE at 5 to 15 mph. Chance of rain 40%.
Saturday
chancetstorms Overcast with a chance of a thunderstorm and rain in the afternoon. Fog early. High of 68F. Winds from the SE at 10 to 15 mph. Chance of rain 50% with rainfall amounts near 0.2 in. possible.
Saturday Night
nt_chancetstorms Overcast with a chance of a thunderstorm. Fog overnight. Low of 57F. Winds from the ESE at 5 to 15 mph. Chance of rain 70% with rainfall amounts near 0.3 in. possible.
Sunday
chancetstorms Partly cloudy with a chance of a thunderstorm. High of 73F. Winds from the East at 10 to 15 mph. Chance of rain 40%.
Sunday Night
nt_chancetstorms Overcast with a chance of a thunderstorm. Fog overnight. Low of 61F. Winds from the East at 10 to 15 mph. Chance of rain 70% with rainfall amounts near 0.2 in. possible.
Monday
cloudy Overcast with a chance of a thunderstorm. High of 81F. Winds from the SE at 10 to 15 mph. Chance of rain 20%.
Monday Night
nt_chancetstorms Mostly cloudy with a chance of a thunderstorm. Fog overnight. Low of 63F. Winds from the SE at 10 to 15 mph. Chance of rain 40%.
Tuesday
partlycloudy Partly cloudy with a chance of a thunderstorm. High of 82F. Winds from the South at 5 to 10 mph. Chance of rain 20%.
Tuesday Night
nt_chancetstorms Partly cloudy with a chance of a thunderstorm. Fog overnight. Low of 63F. Winds less than 5 mph. Chance of rain 40%.
Wednesday
chancetstorms Partly cloudy with a chance of a thunderstorm. High of 88F. Winds less than 5 mph. Chance of rain 40%.
Wednesday Night
nt_chancetstorms Mostly cloudy with a chance of a thunderstorm. Low of 64F. Winds less than 5 mph. Chance of rain 40%.
Thursday
chancetstorms Mostly cloudy with a chance of a thunderstorm. High of 77F. Winds less than 5 mph. Chance of rain 50%.
Thursday Night
nt_chancetstorms Partly cloudy with a chance of a thunderstorm. Fog overnight. Low of 63F. Winds less than 5 mph. Chance of rain 40%.
Friday
partlycloudy Clear. High of 86F. Winds less than 5 mph.
Friday Night
nt_clear Clear. Low of 63F. Winds less than 5 mph.
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Weather Forecast for Sioux Falls SD

View Calendar 10-Day Forecast for station KSDSIOUX11

Tuesday, 21
Rain Showers
61 | 46 °F
Rain Showers
Chance of
Precipitation
60%
Wednesday, 22
Chance of Rain
59 | 43 °F
Chance of Rain
Chance of
Precipitation
50%
Thursday, 23
Partly Cloudy
73 | 45 °F
Partly Cloudy
Chance of
Precipitation
0%
Friday, 24
Chance of Rain
68 | 54 °F
Chance of Rain
Chance of
Precipitation
20%
Saturday, 25
Chance of a Thunderstorm
68 | 57 °F
Chance of T-storms
Chance of
Precipitation
50%
Sunday, 26
Chance of a Thunderstorm
73 | 61 °F
Chance of T-storms
Chance of
Precipitation
40%
Monday, 27
Chance of a Thunderstorm
81 | 63 °F
Chance of a Thunderstorm
Chance of
Precipitation
20%
Tuesday, 28
Chance of a Thunderstorm
82 | 63 °F
Chance of a Thunderstorm
Chance of
Precipitation
20%
Wednesday, 29
Chance of a Thunderstorm
88 | 64 °F
Chance of T-storms
Chance of
Precipitation
40%
Thursday, 30
Chance of a Thunderstorm
77 | 63 °F
Chance of T-storms
Chance of
Precipitation
50%
Source: BestForecast at 8:42 AM CDT on May 21, 2013
Descriptive Forecast
Tuesday
rain Overcast with a chance of rain, then rain showers in the afternoon. High of 61F. Winds from the West at 10 to 15 mph. Chance of rain 60%.
Tuesday Night
nt_chancerain Overcast with a chance of rain. Low of 46F. Winds from the NW at 5 to 10 mph. Chance of rain 50%.
Hourly Forecast 6AM 12 Noon 6PM 12 Midnight
Temp. | Dew Point 54 | 50 54 | 51 57 | 50 53 | 47
Wind 9 mph West 11 mph West 10 mph West 8 mph NW
Humidity 89% 86% 75% 82%
Chance of Precip. 10% 60% 60% 50%
Cloud Cover 95% 97% 97% 100%
Conditions Overcast Chance of Rain Chance of Rain Chance of Rain
Sunrise & Sunset
5:56 AM
8:51 PM
The quality of the forecasted high temperature for this day is fair. MaxT RMSE [2.67], Average RMSE [2.71]
The National Weather Service forecast quality is fair. MaxT RMSE [2.70], Average RMSE [2.23] : Use NWS
Source: BestForecast at 8:42 AM CDT on May 21, 2013
Descriptive Forecast
Wednesday
chancerain Overcast with a chance of rain. High of 59F. Winds from the NNW at 10 to 15 mph. Chance of rain 50%.
Wednesday Night
nt_partlycloudy Overcast in the evening, then partly cloudy. Fog overnight. Low of 43F. Winds from the NNW at 5 to 15 mph.
Hourly Forecast 6AM 12 Noon 6PM 12 Midnight
Temp. | Dew Point 47 | 46 55 | 46 57 | 45 49 | 45
Wind 10 mph NNW 13 mph NNW 14 mph North 8 mph North
Humidity 92% 69% 64% 89%
Chance of Precip. 50% 50% 50% 10%
Cloud Cover 99% 100% 97% 71%
Conditions Chance of Rain Chance of Rain Chance of Rain Mostly Cloudy
Sunrise & Sunset
5:55 AM
8:52 PM
The quality of the forecasted high temperature for this day is fair. MaxT RMSE [3.28], Average RMSE [2.89]
The National Weather Service forecast quality is fair. MaxT RMSE [3.11], Average RMSE [3.08] : Use NWS
Source: BestForecast at 8:42 AM CDT on May 21, 2013
Descriptive Forecast
Thursday
partlycloudy Partly cloudy in the morning, then clear. High of 73F. Winds from the North at 5 to 15 mph shifting to the ENE in the afternoon.
Thursday Night
nt_clear Clear. Low of 45F. Winds from the ESE at 5 to 15 mph.
Hourly Forecast 6AM 12 Noon 6PM 12 Midnight
Temp. | Dew Point 45 | 43 62 | 45 69 | 45 50 | 40
Wind 6 mph NNW 9 mph NNE 12 mph East 8 mph ESE
Humidity 88% 54% 40% 66%
Chance of Precip. 10% 10% 0% 0%
Cloud Cover 43% 24% 18% 0%
Conditions Fog Clear Clear Clear
Sunrise & Sunset
5:54 AM
8:53 PM
The quality of the forecasted high temperature for this day is poor. MaxT RMSE [4.06], Average RMSE [2.92]
The National Weather Service forecast quality is fair. MaxT RMSE [3.26], Average RMSE [3.21] : Use NWS
Source: BestForecast at 8:42 AM CDT on May 21, 2013
Descriptive Forecast
Friday
partlycloudy Partly cloudy in the morning, then overcast with a chance of rain. High of 68F. Winds from the SSE at 10 to 15 mph. Chance of rain 20%.
Friday Night
nt_chancetstorms Overcast with a chance of rain, then a chance of a thunderstorm and rain after midnight. Low of 54F. Winds from the SSE at 5 to 15 mph. Chance of rain 40%.
Hourly Forecast 6AM 12 Noon 6PM 12 Midnight
Temp. | Dew Point 48 | 40 62 | 47 67 | 52 58 | 54
Wind 8 mph SE 14 mph SSE 11 mph SSE 9 mph SSE
Humidity 75% 54% 58% 86%
Chance of Precip. 0% 0% 20% 10%
Cloud Cover 5% 65% 50% 98%
Conditions Clear Mostly Cloudy Chance of Rain Overcast
Sunrise & Sunset
5:53 AM
8:54 PM
The quality of the forecasted high temperature for this day is poor. MaxT RMSE [3.56], Average RMSE [3.14]
The National Weather Service forecast quality is poor. MaxT RMSE [4.34], Average RMSE [3.50] : Use NWS
Source: BestForecast at 8:42 AM CDT on May 21, 2013
Descriptive Forecast
Saturday
chancetstorms Overcast with a chance of a thunderstorm and rain in the afternoon. Fog early. High of 68F. Winds from the SE at 10 to 15 mph. Chance of rain 50% with rainfall amounts near 0.2 in. possible.
Saturday Night
nt_chancetstorms Overcast with a chance of a thunderstorm. Fog overnight. Low of 57F. Winds from the ESE at 5 to 15 mph. Chance of rain 70% with rainfall amounts near 0.3 in. possible.
Hourly Forecast 6AM 12 Noon 6PM 12 Midnight
Temp. | Dew Point 54 | 54 62 | 58 66 | 61 60 | 60
Wind 8 mph SSE 9 mph SSE 11 mph SE 9 mph ESE
Humidity 98% 84% 83% 94%
Chance of Precip. 20% 10% 30% 30%
Cloud Cover 99% 100% 100% 100%
Conditions Chance of a Thunderstorm Fog Chance of a Thunderstorm Chance of a Thunderstorm
Sunrise & Sunset
5:52 AM
8:55 PM
The quality of the forecasted high temperature for this day is poor. MaxT RMSE [3.55], Average RMSE [2.96]
The National Weather Service forecast quality is poor. MaxT RMSE [4.78], Average RMSE [3.63] : Use NWS
Source: BestForecast at 8:42 AM CDT on May 21, 2013
Descriptive Forecast
Sunday
chancetstorms Partly cloudy with a chance of a thunderstorm. High of 73F. Winds from the East at 10 to 15 mph. Chance of rain 40%.
Sunday Night
nt_chancetstorms Overcast with a chance of a thunderstorm. Fog overnight. Low of 61F. Winds from the East at 10 to 15 mph. Chance of rain 70% with rainfall amounts near 0.2 in. possible.
Hourly Forecast 6AM 12 Noon 6PM 12 Midnight
Temp. | Dew Point 58 | 58 70 | 64 71 | 64 65 | 63
Wind 10 mph ESE 11 mph East 12 mph East 12 mph East
Humidity 99% 79% 75% 94%
Chance of Precip. 20% 20% 10% 30%
Cloud Cover 89% 95% 0% 87%
Conditions Chance of a Thunderstorm Chance of Rain Clear Chance of a Thunderstorm
Sunrise & Sunset
5:52 AM
8:56 PM
The quality of the forecasted high temperature for this day is poor. MaxT RMSE [3.92], Average RMSE [4.13]
The National Weather Service forecast quality is poor. MaxT RMSE [5.40], Average RMSE [4.22] : Use NWS
Source: BestForecast at 8:42 AM CDT on May 21, 2013
Descriptive Forecast
Monday
cloudy Overcast with a chance of a thunderstorm. High of 81F. Winds from the SE at 10 to 15 mph. Chance of rain 20%.
Monday Night
nt_chancetstorms Mostly cloudy with a chance of a thunderstorm. Fog overnight. Low of 63F. Winds from the SE at 10 to 15 mph. Chance of rain 40%.
Hourly Forecast 6AM 12 Noon 6PM 12 Midnight
Temp. | Dew Point 62 | 62 72 | 67 72 | 69 65 | 65
Wind 10 mph ESE 13 mph SE 13 mph SE 11 mph ESE
Humidity 100% 85% 90% 99%
Chance of Precip. 10% 10% 10% 10%
Cloud Cover 97% 89% 95% 100%
Conditions Fog Overcast Overcast Overcast
Sunrise & Sunset
5:51 AM
8:57 PM
The quality of the forecasted high temperature for this day is poor. MaxT RMSE [4.95], Average RMSE [5.29]
The National Weather Service forecast quality is poor. MaxT RMSE [6.08], Average RMSE [4.76] : Use NWS
Source: BestForecast at 8:42 AM CDT on May 21, 2013
Descriptive Forecast
Tuesday
partlycloudy Partly cloudy with a chance of a thunderstorm. High of 82F. Winds from the South at 5 to 10 mph. Chance of rain 20%.
Tuesday Night
nt_chancetstorms Partly cloudy with a chance of a thunderstorm. Fog overnight. Low of 63F. Winds less than 5 mph. Chance of rain 40%.
Hourly Forecast 6AM 12 Noon 6PM 12 Midnight
Temp. | Dew Point 64 | 64 78 | 67 79 | 68 73 | 66
Wind 8 mph SE 5 mph South 5 mph WSW 2 mph ESE
Humidity 99% 70% 68% 80%
Chance of Precip. 30% 10% 20% 10%
Cloud Cover 47% 45% 77% 56%
Conditions Chance of a Thunderstorm Partly Cloudy Chance of a Thunderstorm Partly Cloudy
Sunrise & Sunset
5:50 AM
8:58 PM
The quality of the forecasted high temperature for this day is poor. MaxT RMSE [8.20], Average RMSE [5.29]
Source: BestForecast at 8:42 AM CDT on May 21, 2013
Descriptive Forecast
Wednesday
chancetstorms Partly cloudy with a chance of a thunderstorm. High of 88F. Winds less than 5 mph. Chance of rain 40%.
Wednesday Night
nt_chancetstorms Mostly cloudy with a chance of a thunderstorm. Low of 64F. Winds less than 5 mph. Chance of rain 40%.
Hourly Forecast 6AM 12 Noon 6PM 12 Midnight
Temp. | Dew Point 63 | 63 77 | 63 76 | 63 67 | 63
Wind 2 mph ESE 4 mph SE 3 mph SE 3 mph SE
Humidity 100% 65% 62% 83%
Chance of Precip. 10% 10% 10% 10%
Cloud Cover 30% 32% 61% 76%
Conditions Fog Partly Cloudy Partly Cloudy Mostly Cloudy
Sunrise & Sunset
5:50 AM
8:59 PM
The quality of the forecasted high temperature for this day is poor. MaxT RMSE [8.84], Average RMSE [5.88]
Source: BestForecast at 8:42 AM CDT on May 21, 2013
Descriptive Forecast
Thursday
chancetstorms Mostly cloudy with a chance of a thunderstorm. High of 77F. Winds less than 5 mph. Chance of rain 50%.
Thursday Night
nt_chancetstorms Partly cloudy with a chance of a thunderstorm. Fog overnight. Low of 63F. Winds less than 5 mph. Chance of rain 40%.
Hourly Forecast 6AM 12 Noon 6PM 12 Midnight
Temp. | Dew Point 64 | 63 75 | 65 74 | 67 66 | 65
Wind 1 mph SE 3 mph SSE 1 mph SSE 3 mph East
Humidity 95% 71% 78% 97%
Chance of Precip. 10% 10% 10% 10%
Cloud Cover 78% 82% 87% 77%
Conditions Mostly Cloudy Mostly Cloudy Mostly Cloudy Mostly Cloudy
Sunrise & Sunset
5:49 AM
8:59 PM
Source: BestForecast at 8:42 AM CDT on May 21, 2013
Descriptive Forecast
Friday
partlycloudy Clear. High of 86F. Winds less than 5 mph.
Friday Night
nt_clear Clear. Low of 63F. Winds less than 5 mph.
Hourly Forecast 6AM 12 Noon 6PM 12 Midnight
Temp. | Dew Point 63 | 63 75 | 62 74 | 60 66 | 54
Wind 1 mph ESE 3 mph South 1 mph SW 1 mph WSW
Humidity 100% 64% 59% 66%
Chance of Precip. 10% 10% 0% 0%
Cloud Cover 52% 30% 11% %
Conditions Fog Partly Cloudy Clear Clear
Sunrise & Sunset
Sun does not rise
Scientific Forecaster Discussion — MOS Weather Graph
Nearby
Active Notice: Public Information Statement  (US Severe Weather)
History & Almanac
May 21, 2013 Max Temp Min Temp
Normal (KFSD) 71 °F 48 °F
Record (KFSD) 93 °F (1964) 25 °F (1931)
Yesterday 67 °F 55 °F
Yesterday's Heating Degree Days: 4
Choose a date
Earthquake Activity
City Distance Mag. Time & Date
No recent earthquake activity has been reported nearby.
Minimum magnitude displayed is 2.5.
More information at USGS.gov
Astronomy
May. 21, 2013 Rise Set
Actual Time 5:56 AM CDT 8:51 PM CDT
Civil Twilight 5:22 AM CDT 9:25 PM CDT
Nautical Twilight 4:39 AM CDT 10:08 PM CDT
Astronomical Twilight 3:48 AM CDT 10:59 PM CDT
Moon 5:00 PM CDT 3:31 AM CDT
Length Of Visible Light 16h 03m
Length of Day
14h 55m
Tomorrow will be 1m 51s longer.
Waxing Gibbous, 84% of the Moon is Illuminated
Today
Waxing Gibbous
May 24
Full
May 31
Last Quarter
Jun 8
New
Jun 16
First Quarter
Visit Astronomy
Today's Extremes
State Highs State Lows
57 °F
Yankton
57 °F
Sisseton
57 °F
Aberdeen
55 °F
Mitchell
55 °F
Sioux Falls
39 °F
Custer
41 °F
Spearfish
42 °F
Buffalo
42 °F
Rapid City
42 °F
Ellsworth AFB
Record Extremes
Snow Depth
Station Depth Elevation
North Rapid Creek 0 in 6130 ft
Snow Depth Reports — Snow Depth Map
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Aviation
City Temp. Conditions Updated
Sioux Falls 53 °F Light Rain 10:56 AM CDT
Luverne 57 °F Overcast 11:14 AM CDT
Pipestone 55 °F Light Drizzle 11:13 AM CDT
Madison 54 °F Light Rain 10:55 AM CDT
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Flight To ETA Status
ASQ6185
Denver, CO 		KFSD 11:29AM On Time
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Type Condition
Flight Rule: MVFR (KFSD)
Wind Speed: 5.0 kts.
Wind Dir: 143° (SE)
Ceiling: 1800 ft

METAR KFSD 211556Z 23005KT 7SM -RA FEW011 BKN018 OVC070 12/10 A2956 RMK AO2 SLP010 P0001 T01170100

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Nearby Events
Event Date Forecast
Tech N9ne Independent Powerhouse Tour Feat. Tech N9ne 8:00 PM CDT
2013-04-19		 Clear, 33°F
Tech N9ne 8:00 PM CDT
2013-04-19		 Clear, 33°F
Korby Lenker 10:00 PM CDT
2013-04-19		 Partly Cloudy, 32°F
Event data courtesy eviesays.com
Sports
Event Date Forecast
Tigers vs. Indians 7:05 PM EDT on May 21, 2013 Chance of a Thunderstorm, 77 °F
Yankees vs. Orioles 7:05 PM EDT on May 21, 2013 Thunderstorm, 81 °F
Event Date Forecast
Livorno vs. Brescia 6:30 PM CEST on May 22, 2013 Clear, High 71° F/ 22° C
Empoli vs. Novara 8:45 PM CEST on May 22, 2013 Clear, High 69° F/ 21° C
Event Date Forecast
Coca-Cola 600 6:16 PM EDT on May 26, 2013 Partly Cloudy, 70 °F
FedEx 400 benefiting Autism Speaks 1:15 PM EDT on June 02, 2013 Average High 81° F/ 27° C
Event Date Forecast
Crowne Plaza Invitational at Colonial 8:30 AM CDT on May 23, 2013 Partly Cloudy, 68 °F
Crowne Plaza Invitational at Colonial 8:30 AM CDT on May 24, 2013 Partly Cloudy, 70 °F
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Weather Stations
Station Location Temp. Dew Point Humidity Wind Precipitation Elevation Updated Type Website
HADS BIG SIOUX RVR AT NORTH CLIFF AVE SD, Sioux Falls, SD 56 °F - - North  at  - 0.01 in / hr 1293 ft 10:30 AM CDT MADIS
MesoWest West side of 229 , Sioux Falls, SD 51 °F - - West  at  3 mph 0.00 in / hr 1479 ft 10:16 AM CDT MADIS
Dunham Park, Sioux Falls, SD 55.1 °F 52 °F 88% SE  at  2.0 mph 0.00 in / hr 1424 ft 11:15 AM CDT Rapid Fire  
SE Sioux Falls, Sioux Falls, SD 55.2 °F 51 °F 87% NW  at  3.0 mph 0.01 in / hr 1505 ft 11:16 AM CDT Rapid Fire  
East Sioux Falls, Sioux Falls, SD 55.4 °F 51 °F 84% SSW  at  2.7 mph - / hr 1483 ft 11:06 AM CDT Normal  
Memorial Park, Sioux Falls, SD 55.3 °F 53 °F 91% South  at  0.0 mph 0.00 in / hr 1498 ft 11:16 AM CDT Rapid Fire  
NonFedAWOS LINCOLN COUNTY , Tea, SD 54 °F 52 °F 94% SW  at  9 mph 0.00 in / hr 1515 ft 10:55 AM CDT MADIS
MesoWest Exit 98 North side and west of , Dell Rapids, SD 54 °F - - SW  at  5 mph 0.00 in / hr 1638 ft 10:19 AM CDT MADIS
NonFedAWOS CANTON , Canton, SD 55 °F 50 °F 82% SW  at  13 mph 0.00 in / hr 1290 ft 10:55 AM CDT MADIS
Parker, SD 56.1 °F 51 °F 83% SW  at  6.5 mph 0.00 in / hr 1408 ft 11:16 AM CDT Rapid Fire
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Public Information Statement
Mobile & Email Alerts Statement as of 11:13 am CDT on May 21, 2013



... Sioux Falls climate data up to 11 am CDT...

high temperature so far today... . 56
low temperature so far today... . 51
precipitation since midnight... .. 0.02


... Huron climate data up to 11 am CDT...

high temperature so far today... . 56
low temperature so far today... . 50
precipitation since midnight... .. 0.19


... Sioux City climate data up to 11 am CDT...

high temperature so far today... . 60
low temperature so far today... . 54
precipitation since midnight... .. Trace
Missouri River stage... ... ... ... . 9.29

$$

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