Thunderstorms and Heavy Rains Across Portions of the Central and Eastern US; Heat Expands to Portions of the East

Widespread showers and thunderstorms, some severe, may produce heavy downpours and flash flooding across much of the eastern and central U.S. Dangerous heat will continue in the Pacific Northwest and expand across portions of the East. Deep tropical moisture and associated thunderstorms will bring heavy rainfall and localized flash flooding across portions of Florida into the central Gulf Coast. Read More >

Hazardous Weather Conditions

Current conditions at

Chamberlain, Chamberlain Municipal Airport (K9V9)

Lat: 43.77°NLon: 99.32°WElev: 1693ft.

N/A

Humidity NA
Wind Speed NA
Barometer NA
Dewpoint N/A
Visibility NA
Last update *** Not a current observation ***
Extended Forecast for

5 Miles ENE Fort Thompson SD

  • Overnight

    Overnight: A slight chance of showers and thunderstorms between 3am and 4am, then a slight chance of showers after 4am.  Areas of smoke. Cloudy, with a low around 58. North northeast wind around 18 mph.  Chance of precipitation is 20%.

    Low: 58 °F

    Slight Chance
    T-storms

  • Wednesday

    Wednesday: A slight chance of showers and thunderstorms between 1pm and 2pm.  Patchy smoke between 7am and 10am. Cloudy, with a high near 67. North northeast wind 14 to 16 mph, with gusts as high as 24 mph.  Chance of precipitation is 20%.

    High: 67 °F

    Patchy Smoke
    then Slight
    Chance
    T-storms

  • Wednesday Night

    Wednesday Night: Mostly cloudy, then gradually becoming mostly clear, with a low around 51. North northeast wind 6 to 14 mph.

    Low: 51 °F

    Decreasing
    Clouds

  • Thursday

    Thursday: Mostly sunny, with a high near 75. Northeast wind 6 to 11 mph becoming southeast in the afternoon.

    High: 75 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 60. South southeast wind around 14 mph, with gusts as high as 22 mph.

    Low: 60 °F

    Partly Cloudy

  • Friday

    Friday: A slight chance of showers and thunderstorms before 1pm.  Partly sunny, with a high near 84. South southeast wind around 14 mph, with gusts as high as 22 mph.  Chance of precipitation is 20%.

    High: 84 °F

    Slight Chance
    T-storms

  • Friday Night

    Friday Night: A chance of showers and thunderstorms before 1am.  Mostly cloudy, with a low around 63. East northeast wind 8 to 10 mph.  Chance of precipitation is 30%.

    Low: 63 °F

    Chance
    T-storms

  • Saturday

    Saturday: Partly sunny, with a high near 81. East northeast wind 9 to 11 mph.

    High: 81 °F

    Partly Sunny

  • Saturday Night

    Saturday Night: A chance of showers and thunderstorms, mainly after 1am.  Mostly cloudy, with a low around 62. East wind around 11 mph.  Chance of precipitation is 30%.

    Low: 62 °F

    Chance
    T-storms

Detailed Forecast

Overnight
A slight chance of showers and thunderstorms between 3am and 4am, then a slight chance of showers after 4am. Areas of smoke. Cloudy, with a low around 58. North northeast wind around 18 mph. Chance of precipitation is 20%.
Wednesday
A slight chance of showers and thunderstorms between 1pm and 2pm. Patchy smoke between 7am and 10am. Cloudy, with a high near 67. North northeast wind 14 to 16 mph, with gusts as high as 24 mph. Chance of precipitation is 20%.
Wednesday Night
Mostly cloudy, then gradually becoming mostly clear, with a low around 51. North northeast wind 6 to 14 mph.
Thursday
Mostly sunny, with a high near 75. Northeast wind 6 to 11 mph becoming southeast in the afternoon.
Thursday Night
Partly cloudy, with a low around 60. South southeast wind around 14 mph, with gusts as high as 22 mph.
Friday
A slight chance of showers and thunderstorms before 1pm. Partly sunny, with a high near 84. South southeast wind around 14 mph, with gusts as high as 22 mph. Chance of precipitation is 20%.
Friday Night
A chance of showers and thunderstorms before 1am. Mostly cloudy, with a low around 63. East northeast wind 8 to 10 mph. Chance of precipitation is 30%.
Saturday
Partly sunny, with a high near 81. East northeast wind 9 to 11 mph.
Saturday Night
A chance of showers and thunderstorms, mainly after 1am. Mostly cloudy, with a low around 62. East wind around 11 mph. Chance of precipitation is 30%.
Sunday
A slight chance of showers and thunderstorms. Partly sunny, with a high near 83. Chance of precipitation is 20%.
Sunday Night
A chance of showers and thunderstorms. Partly cloudy, with a low around 65. Chance of precipitation is 30%.
Monday
A slight chance of showers and thunderstorms. Mostly sunny and hot, with a high near 92. Chance of precipitation is 20%.
Monday Night
A chance of showers and thunderstorms. Partly cloudy, with a low around 65. Chance of precipitation is 30%.
Tuesday
Mostly sunny and hot, with a high near 90.
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ABOUT THIS FORECAST

 
Point Forecast:
5 Miles ENE Fort Thompson SD
 44.08°N 99.31°W (Elev. 1667 ft)
2:16 am CDT Jul 16, 2025
2am CDT Jul 16, 2025-6pm CDT Jul 22, 2025
 
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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