River Flooding Continues in East Florida; Rain and Thunderstorms from the Mid-Atlantic to the Northeast Thursday; Heavy Rain in Puerto Rico

Significant river flooding is forecast along the St. John’s and the Peace rivers through the end of the week as flood waters will be slow to recede. Periods of rainfall and thunderstorms are expected across the Lower Great Lakes, Central Appalachians, Mid-Atlantic and Northeast Thursday and Friday. In Puerto Rico, increased moisture in the Atlantic will produce heavy rainfall for the island. Read More >

Current conditions at

Chamberlain, Chamberlain Municipal Airport (K9V9)

Lat: 43.77°NLon: 99.32°WElev: 1693ft.

Fair

34°F

1°C

Humidity 94%
Wind Speed W 7 mph
Barometer 30.04 in
Dewpoint 33°F (1°C)
Visibility 10.00 mi
Wind Chill28°F (-2°C)
Last update 5 Nov 5:55 am CST
Extended Forecast for

6 Miles WNW Gann Valley SD

  • Today

    Today: Mostly cloudy, with a high near 45. North wind 6 to 16 mph.

    High: 45 °F

    Mostly Cloudy

  • Tonight

    Tonight: Mostly cloudy, with a low around 29. North northeast wind around 5 mph becoming calm  in the evening.

    Low: 29 °F

    Mostly Cloudy

  • Friday

    Friday: Partly sunny, with a high near 47. South southeast wind 5 to 10 mph.

    High: 47 °F

    Partly Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 29. Southeast wind around 6 mph becoming calm  after midnight.

    Low: 29 °F

    Partly Cloudy

  • Saturday

    Saturday: Mostly sunny, with a high near 57. Calm wind becoming west southwest 5 to 8 mph in the morning.

    High: 57 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 34. West wind 3 to 6 mph.

    Low: 34 °F

    Mostly Clear

  • Sunday

    Sunday: Sunny, with a high near 61. Light and variable wind becoming south 5 to 10 mph in the morning.

    High: 61 °F

    Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 40. South southeast wind 7 to 10 mph becoming southwest after midnight.

    Low: 40 °F

    Mostly Clear

  • Monday

    Monday: Sunny, with a high near 61. West southwest wind 7 to 14 mph becoming north northwest in the morning.

    High: 61 °F

    Sunny

Detailed Forecast

Today
Mostly cloudy, with a high near 45. North wind 6 to 16 mph.
Tonight
Mostly cloudy, with a low around 29. North northeast wind around 5 mph becoming calm in the evening.
Friday
Partly sunny, with a high near 47. South southeast wind 5 to 10 mph.
Friday Night
Partly cloudy, with a low around 29. Southeast wind around 6 mph becoming calm after midnight.
Saturday
Mostly sunny, with a high near 57. Calm wind becoming west southwest 5 to 8 mph in the morning.
Saturday Night
Mostly clear, with a low around 34. West wind 3 to 6 mph.
Sunday
Sunny, with a high near 61. Light and variable wind becoming south 5 to 10 mph in the morning.
Sunday Night
Mostly clear, with a low around 40. South southeast wind 7 to 10 mph becoming southwest after midnight.
Monday
Sunny, with a high near 61. West southwest wind 7 to 14 mph becoming north northwest in the morning.
Monday Night
Mostly clear, with a low around 35.
Tuesday
Mostly sunny, with a high near 57.
Tuesday Night
Partly cloudy, with a low around 37.
Veterans Day
Mostly sunny, with a high near 59.
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ABOUT THIS FORECAST

 
Point Forecast:
6 Miles WNW Gann Valley SD
 44.06°N 99.1°W (Elev. 1736 ft)
5:21 am CST Nov 5, 2026
6am CST Nov 5, 2026-6pm CST Nov 11, 2026
 
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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