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

Areas of Dangerous Heat and Heavy Rain with Possible Flooding into this Weekend

Hot temperatures and high humidity are forecast to continue across the mid-Mississippi Valley into this weekend with heat advisories in effect. Heavy to excessive rainfall occurring at times through Sunday could bring areas of flooding to parts of the upper Midwest, central Great Lakes, southern New England and Virginia/North Carolina tidewater region. Read More >

Current conditions at

Winner, Bob Wiley Field Airport (KICR)

Lat: 43.39°NLon: 99.84°WElev: 2031ft.

Light Rain

65°F

18°C

Humidity 93%
Wind Speed SE 5 mph
Barometer 30.22 in (1023.2 mb)
Dewpoint 63°F (17°C)
Visibility 10.00 mi
Last update 17 Sep 6:53 pm CDT
Extended Forecast for

Winner Regional Airport SD

  • Tonight

    Tonight: Showers and thunderstorms likely before 11pm, then showers and possibly a thunderstorm between 11pm and 4am, then a chance of showers after 4am. Patchy fog between midnight and 4am. Low around 61. East wind 11 to 14 mph, with gusts as high as 25 mph. Chance of precipitation is 100%.

    Low: 61 °F

    Showers and
    Patchy Fog

  • Friday

    Friday: A 30 percent chance of showers before 7am. Patchy fog between 7am and 8am. Otherwise, cloudy, with a high near 77. Southeast wind 7 to 10 mph becoming northwest in the afternoon. Winds could gust as high as 21 mph.

    High: 77 °F

    Chance
    Showers and
    Patchy Fog
    then Mostly
    Cloudy

  • Friday Night

    Friday Night: A 30 percent chance of showers, mainly before 1am. Cloudy, with a low around 56. North wind around 8 mph, with gusts as high as 16 mph.

    Low: 56 °F

    Chance
    Showers

  • Saturday

    Saturday: A 20 percent chance of showers. Cloudy, with a high near 67. North wind 7 to 9 mph, with gusts as high as 18 mph.

    High: 67 °F

    Slight Chance
    Showers

  • Saturday Night

    Saturday Night: A 50 percent chance of showers. Cloudy, with a low around 54. Northeast wind 7 to 9 mph, with gusts as high as 17 mph.

    Low: 54 °F

    Chance
    Showers

  • Sunday

    Sunday: Showers likely. Cloudy, with a high near 65. East wind around 9 mph, with gusts as high as 20 mph. Chance of precipitation is 70%.

    High: 65 °F

    Showers
    Likely

  • Sunday Night

    Sunday Night: Showers likely and possibly a thunderstorm. Mostly cloudy, with a low around 51. Chance of precipitation is 70%.

    Low: 51 °F

    Showers
    Likely

  • Monday

    Monday: A chance of showers, mainly before 1pm. Mostly cloudy, with a high near 65.

    High: 65 °F

    Chance
    Showers

  • Monday Night

    Monday Night: A slight chance of showers. Mostly cloudy, with a low around 50.

    Low: 50 °F

    Slight Chance
    Showers

Detailed Forecast

Tonight
Showers and thunderstorms likely before 11pm, then showers and possibly a thunderstorm between 11pm and 4am, then a chance of showers after 4am. Patchy fog between midnight and 4am. Low around 61. East wind 11 to 14 mph, with gusts as high as 25 mph. Chance of precipitation is 100%.
Friday
A 30 percent chance of showers before 7am. Patchy fog between 7am and 8am. Otherwise, cloudy, with a high near 77. Southeast wind 7 to 10 mph becoming northwest in the afternoon. Winds could gust as high as 21 mph.
Friday Night
A 30 percent chance of showers, mainly before 1am. Cloudy, with a low around 56. North wind around 8 mph, with gusts as high as 16 mph.
Saturday
A 20 percent chance of showers. Cloudy, with a high near 67. North wind 7 to 9 mph, with gusts as high as 18 mph.
Saturday Night
A 50 percent chance of showers. Cloudy, with a low around 54. Northeast wind 7 to 9 mph, with gusts as high as 17 mph.
Sunday
Showers likely. Cloudy, with a high near 65. East wind around 9 mph, with gusts as high as 20 mph. Chance of precipitation is 70%.
Sunday Night
Showers likely and possibly a thunderstorm. Mostly cloudy, with a low around 51. Chance of precipitation is 70%.
Monday
A chance of showers, mainly before 1pm. Mostly cloudy, with a high near 65.
Monday Night
A slight chance of showers. Mostly cloudy, with a low around 50.
Tuesday
A slight chance of showers after 1pm. Mostly cloudy, with a high near 71. Breezy.
Tuesday Night
A chance of showers. Partly cloudy, with a low around 53.
Wednesday
A chance of showers. Partly sunny, with a high near 74. Breezy.
Wednesday Night
A slight chance of showers. Partly cloudy, with a low around 56.
Thursday
Mostly sunny, with a high near 79.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Winner Regional Airport SD
 43.4°N 99.85°W (Elev. 1988 ft)
Last Update:
5:36 pm CDT Sep 17, 2026
Forecast Valid:
7pm CDT Sep 17, 2026-6pm CDT Sep 24, 2026
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

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