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

Widespread Showers in the Eastern US; Severe Thunderstorms in the Plains; Heatwave in the Desert Southwest

Widespread showers and thunderstorms across much of the central and eastern U.S. will produce areas of excessive rainfall, especially in the southern Mid-Atlantic states. Scattered severe thunderstorms are expected from Montana into portions of the central/southern Plains this weekend. A heatwave will build in the Desert Southwest, in parts of Arizona, southeastern California, and southern Nevada. Read More >

Hazardous Weather Conditions

Current conditions at

Winner, Bob Wiley Field Airport (KICR)

Lat: 43.39°NLon: 99.84°WElev: 2031ft.

Fair

70°F

21°C

Humidity 84%
Wind Speed Calm
Barometer 30.03 in (1015.9 mb)
Dewpoint 65°F (18°C)
Visibility 10.00 mi
Last update 15 Jun 9:53 am CDT
Extended Forecast for

Winner SD

  • Today

    Today: A 20 percent chance of showers and thunderstorms before noon. Mostly sunny, with a high near 90. South wind around 10 mph, with gusts as high as 20 mph.

    High: 90 °F

    Slight Chance
    T-storms then
    Mostly Sunny

  • Tonight

    Tonight: A 30 percent chance of showers and thunderstorms after 10pm. Some of the storms could be severe. Partly cloudy, with a low around 67. South wind 10 to 15 mph, with gusts as high as 20 mph.

    Low: 67 °F

    Severe
    Thunderstorms

  • Monday

    Monday: A 20 percent chance of showers and thunderstorms. Some of the storms could be severe. Partly sunny, with a high near 90. South wind 10 to 15 mph becoming northwest in the afternoon. Winds could gust as high as 25 mph.

    High: 90 °F

    Severe
    Thunderstorms

  • Monday Night

    Monday Night: A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 1am. Some of the storms could be severe. Mostly cloudy, with a low around 60. North wind 10 to 15 mph becoming southeast after midnight. Winds could gust as high as 20 mph. Chance of precipitation is 70%.

    Low: 60 °F

    Severe
    Thunderstorms

  • Tuesday

    Tuesday: A chance of showers before 10am, then a chance of showers and thunderstorms between 10am and 1pm, then showers likely and possibly a thunderstorm after 1pm. Mostly cloudy, with a high near 77. Northeast wind 10 to 15 mph, with gusts as high as 20 mph. Chance of precipitation is 60%.

    High: 77 °F

    Showers
    Likely

  • Tuesday Night

    Tuesday Night: A chance of showers and thunderstorms. Mostly cloudy, with a low around 57. North wind 5 to 10 mph becoming northwest after midnight. Winds could gust as high as 20 mph. Chance of precipitation is 50%.

    Low: 57 °F

    Chance
    T-storms then
    Chance
    Showers

  • Wednesday

    Wednesday: A 20 percent chance of showers and thunderstorms. Mostly sunny, with a high near 79. Northwest wind around 10 mph, with gusts as high as 20 mph.

    High: 79 °F

    Slight Chance
    T-storms

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 58. North wind 5 to 10 mph becoming southeast in the evening. Winds could gust as high as 15 mph.

    Low: 58 °F

    Mostly Clear

  • Juneteenth

    Juneteenth: Sunny, with a high near 89.

    High: 89 °F

    Sunny

Detailed Forecast

Today
A 20 percent chance of showers and thunderstorms before noon. Mostly sunny, with a high near 90. South wind around 10 mph, with gusts as high as 20 mph.
Tonight
A 30 percent chance of showers and thunderstorms after 10pm. Some of the storms could be severe. Partly cloudy, with a low around 67. South wind 10 to 15 mph, with gusts as high as 20 mph.
Monday
A 20 percent chance of showers and thunderstorms. Some of the storms could be severe. Partly sunny, with a high near 90. South wind 10 to 15 mph becoming northwest in the afternoon. Winds could gust as high as 25 mph.
Monday Night
A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 1am. Some of the storms could be severe. Mostly cloudy, with a low around 60. North wind 10 to 15 mph becoming southeast after midnight. Winds could gust as high as 20 mph. Chance of precipitation is 70%.
Tuesday
A chance of showers before 10am, then a chance of showers and thunderstorms between 10am and 1pm, then showers likely and possibly a thunderstorm after 1pm. Mostly cloudy, with a high near 77. Northeast wind 10 to 15 mph, with gusts as high as 20 mph. Chance of precipitation is 60%.
Tuesday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 57. North wind 5 to 10 mph becoming northwest after midnight. Winds could gust as high as 20 mph. Chance of precipitation is 50%.
Wednesday
A 20 percent chance of showers and thunderstorms. Mostly sunny, with a high near 79. Northwest wind around 10 mph, with gusts as high as 20 mph.
Wednesday Night
Mostly clear, with a low around 58. North wind 5 to 10 mph becoming southeast in the evening. Winds could gust as high as 15 mph.
Juneteenth
Sunny, with a high near 89.
Thursday Night
A slight chance of showers and thunderstorms before 1am. Mostly clear, with a low around 67.
Friday
Sunny, with a high near 96.
Friday Night
Mostly clear, with a low around 67.
Saturday
Sunny, with a high near 94.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Winner SD
 43.37°N 99.85°W (Elev. 1998 ft)
Last Update:
8:09 am CDT Jun 15, 2025
Forecast Valid:
10am CDT Jun 15, 2025-6pm CDT Jun 21, 2025
 
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