National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

Heavy Rainfall in the Southern Plains and Mississippi Valley; Thunderstorms in Eastern Colorado on Thursday

A multiple day heavy rainfall event will begin to set up from the Southern Plains into the Mississippi Valley Thursday, peaking in intensity over the holiday weekend. Widely scattered thunderstorms are expected to develop across eastern Colorado Thursday afternoon and evening. Large hail will be the primary hazard. Read More >

Current conditions at

Winner, Bob Wiley Field Airport (KICR)

Lat: 43.39°NLon: 99.84°WElev: 2031ft.

Overcast

51°F

11°C

Humidity 74%
Wind Speed SE 8 mph
Barometer 30.16 in (1021.4 mb)
Dewpoint 43°F (6°C)
Visibility 10.00 mi
Wind Chill48°F (9°C)
Last update 20 May 11:53 pm CDT
Extended Forecast for

Winner Regional Airport SD

  • Overnight

    Overnight: Mostly cloudy, with a low around 43. South wind around 15 mph, with gusts as high as 26 mph.

    Low: 43 °F

    Mostly Cloudy

  • Thursday

    Thursday: Mostly sunny, with a high near 69. Breezy, with a south wind 15 to 21 mph, with gusts as high as 31 mph.

    High: 69 °F

    Mostly Sunny
    then Partly
    Sunny and
    Breezy

  • Thursday Night

    Thursday Night: A slight chance of showers before 1am, then rain and possibly a thunderstorm between 1am and 4am, then rain after 4am. Low around 47. Breezy, with a southeast wind 14 to 20 mph, with gusts as high as 30 mph. Chance of precipitation is 80%.

    Low: 47 °F

    Slight Chance
    Showers and
    Breezy then
    Showers

  • Friday

    Friday: Rain before 1pm, then a chance of showers, mainly between 1pm and 4pm. High near 60. Southeast wind 13 to 18 mph becoming northwest in the afternoon. Winds could gust as high as 28 mph. Chance of precipitation is 90%.

    High: 60 °F

    Rain

  • Friday Night

    Friday Night: A 10 percent chance of showers before 7pm. Partly cloudy, with a low around 41. Northwest wind 7 to 16 mph, with gusts as high as 25 mph.

    Low: 41 °F

    Slight Chance
    Showers then
    Partly Cloudy

  • Saturday

    Saturday: Mostly sunny, with a high near 73. West wind 6 to 8 mph, with gusts as high as 16 mph.

    High: 73 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 48.

    Low: 48 °F

    Mostly Clear

  • Sunday

    Sunday: Sunny, with a high near 86.

    High: 86 °F

    Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 56. Breezy.

    Low: 56 °F

    Mostly Clear
    then Mostly
    Clear and
    Breezy

Detailed Forecast

Overnight
Mostly cloudy, with a low around 43. South wind around 15 mph, with gusts as high as 26 mph.
Thursday
Mostly sunny, with a high near 69. Breezy, with a south wind 15 to 21 mph, with gusts as high as 31 mph.
Thursday Night
A slight chance of showers before 1am, then rain and possibly a thunderstorm between 1am and 4am, then rain after 4am. Low around 47. Breezy, with a southeast wind 14 to 20 mph, with gusts as high as 30 mph. Chance of precipitation is 80%.
Friday
Rain before 1pm, then a chance of showers, mainly between 1pm and 4pm. High near 60. Southeast wind 13 to 18 mph becoming northwest in the afternoon. Winds could gust as high as 28 mph. Chance of precipitation is 90%.
Friday Night
A 10 percent chance of showers before 7pm. Partly cloudy, with a low around 41. Northwest wind 7 to 16 mph, with gusts as high as 25 mph.
Saturday
Mostly sunny, with a high near 73. West wind 6 to 8 mph, with gusts as high as 16 mph.
Saturday Night
Mostly clear, with a low around 48.
Sunday
Sunny, with a high near 86.
Sunday Night
Mostly clear, with a low around 56. Breezy.
Memorial Day
Sunny, with a high near 91. Breezy.
Monday Night
Mostly clear, with a low around 59. Breezy.
Tuesday
Sunny, with a high near 88. Windy.
Tuesday Night
Partly cloudy, with a low around 58. Breezy.
Wednesday
A slight chance of showers and thunderstorms. Partly sunny, with a high near 84. Breezy.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Winner Regional Airport SD
 43.37°N 99.85°W (Elev. 1998 ft)
Last Update:
10:36 pm CDT May 20, 2026
Forecast Valid:
12am CDT May 21, 2026-6pm CDT May 27, 2026
 
Forecast Discussion
 
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Additional Resources

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Hourly Weather Forecast

National Digital Forecast Database

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation