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

67°F

19°C

Humidity 87%
Wind Speed SE 9 mph
Barometer 30.00 in (1014.5 mb)
Dewpoint 63°F (17°C)
Visibility 10.00 mi
Last update 15 Jun 1:53 am CDT
Extended Forecast for

Hamill SD

  • Overnight

    Overnight: A 20 percent chance of showers and thunderstorms. Patchy fog. Otherwise, mostly cloudy, with a low around 63. East wind around 10 mph, with gusts as high as 15 mph.

    Low: 63 °F

    Slight Chance
    T-storms and
    Patchy Fog

  • Sunday

    Sunday: A 30 percent chance of showers, mainly before 8am. Patchy fog before 10am. Otherwise, mostly sunny, with a high near 89. South wind around 10 mph, with gusts as high as 20 mph.

    High: 89 °F

    Chance
    Showers and
    Patchy Fog
    then Mostly
    Sunny

  • Sunday Night

    Sunday Night: A 40 percent chance of showers and thunderstorms, mainly between 10pm and 1am. Some of the storms could be severe. Mostly 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 40 percent chance of showers and thunderstorms, mainly after 1pm. Some of the storms could be severe. Mostly sunny, with a high near 89. South wind 10 to 15 mph, with gusts as high as 25 mph.

    High: 89 °F

    Severe
    Thunderstorms

  • Monday Night

    Monday Night: Showers and thunderstorms likely before 1am, then showers likely and possibly a thunderstorm after 1am. Some of the storms could be severe. Increasing clouds, with a low around 62. North wind 10 to 15 mph, with gusts as high as 20 mph. Chance of precipitation is 70%.

    Low: 62 °F

    Severe
    Thunderstorms

  • Tuesday

    Tuesday: A 50 percent chance of showers and thunderstorms. Mostly cloudy, with a high near 74. Northeast wind 10 to 15 mph, with gusts as high as 20 mph.

    High: 74 °F

    Chance
    Showers

  • Tuesday Night

    Tuesday Night: Showers likely, mainly before 1am. Mostly cloudy, with a low around 58. Northeast wind around 10 mph becoming northwest after midnight. Winds could gust as high as 20 mph. Chance of precipitation is 60%.

    Low: 58 °F

    Showers
    Likely

  • Wednesday

    Wednesday: A slight chance of showers. Mostly sunny, with a high near 77. Northwest wind 10 to 15 mph, with gusts as high as 20 mph.

    High: 77 °F

    Slight Chance
    Showers

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 58.

    Low: 58 °F

    Mostly Clear

Detailed Forecast

Overnight
A 20 percent chance of showers and thunderstorms. Patchy fog. Otherwise, mostly cloudy, with a low around 63. East wind around 10 mph, with gusts as high as 15 mph.
Sunday
A 30 percent chance of showers, mainly before 8am. Patchy fog before 10am. Otherwise, mostly sunny, with a high near 89. South wind around 10 mph, with gusts as high as 20 mph.
Sunday Night
A 40 percent chance of showers and thunderstorms, mainly between 10pm and 1am. Some of the storms could be severe. Mostly cloudy, with a low around 67. South wind 10 to 15 mph, with gusts as high as 20 mph.
Monday
A 40 percent chance of showers and thunderstorms, mainly after 1pm. Some of the storms could be severe. Mostly sunny, with a high near 89. South wind 10 to 15 mph, with gusts as high as 25 mph.
Monday Night
Showers and thunderstorms likely before 1am, then showers likely and possibly a thunderstorm after 1am. Some of the storms could be severe. Increasing clouds, with a low around 62. North wind 10 to 15 mph, with gusts as high as 20 mph. Chance of precipitation is 70%.
Tuesday
A 50 percent chance of showers and thunderstorms. Mostly cloudy, with a high near 74. Northeast wind 10 to 15 mph, with gusts as high as 20 mph.
Tuesday Night
Showers likely, mainly before 1am. Mostly cloudy, with a low around 58. Northeast wind around 10 mph becoming northwest after midnight. Winds could gust as high as 20 mph. Chance of precipitation is 60%.
Wednesday
A slight chance of showers. Mostly sunny, with a high near 77. Northwest wind 10 to 15 mph, with gusts as high as 20 mph.
Wednesday Night
Mostly clear, with a low around 58.
Juneteenth
Sunny, with a high near 88.
Thursday Night
A slight chance of showers and thunderstorms. Mostly clear, with a low around 64.
Friday
Sunny, with a high near 94. Breezy.
Friday Night
Mostly clear, with a low around 66.
Saturday
Sunny, with a high near 90.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Hamill SD
 43.59°N 99.68°W (Elev. 1732 ft)
Last Update:
1:10 am CDT Jun 15, 2025
Forecast Valid:
2am 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