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

Reliance SD

  • Today

    Today: Partly sunny, with a high near 46. North wind 7 to 14 mph.

    High: 46 °F

    Partly Sunny

  • Tonight

    Tonight: Patchy fog after 4am.  Otherwise, mostly cloudy, with a low around 31. North northeast wind 5 to 7 mph becoming south southeast after midnight.

    Low: 31 °F

    Mostly Cloudy
    then Patchy
    Fog

  • Friday

    Friday: Patchy fog before 9am.  Otherwise, partly sunny, with a high near 50. Southeast wind 7 to 11 mph, with gusts as high as 20 mph.

    High: 50 °F

    Patchy Fog
    then Partly
    Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 30. East southeast wind 5 to 7 mph becoming west after midnight.

    Low: 30 °F

    Partly Cloudy

  • Saturday

    Saturday: Sunny, with a high near 60. West wind 6 to 9 mph.

    High: 60 °F

    Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 35. West wind 5 to 8 mph.

    Low: 35 °F

    Mostly Clear

  • Sunday

    Sunday: Sunny, with a high near 63. West southwest wind 5 to 13 mph becoming south southeast in the afternoon. Winds could gust as high as 21 mph.

    High: 63 °F

    Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 41. South southeast wind around 11 mph becoming west southwest after midnight. Winds could gust as high as 20 mph.

    Low: 41 °F

    Mostly Clear

  • Monday

    Monday: Sunny, with a high near 61. West wind 9 to 15 mph becoming north northwest in the afternoon. Winds could gust as high as 24 mph.

    High: 61 °F

    Sunny

Detailed Forecast

Today
Partly sunny, with a high near 46. North wind 7 to 14 mph.
Tonight
Patchy fog after 4am. Otherwise, mostly cloudy, with a low around 31. North northeast wind 5 to 7 mph becoming south southeast after midnight.
Friday
Patchy fog before 9am. Otherwise, partly sunny, with a high near 50. Southeast wind 7 to 11 mph, with gusts as high as 20 mph.
Friday Night
Partly cloudy, with a low around 30. East southeast wind 5 to 7 mph becoming west after midnight.
Saturday
Sunny, with a high near 60. West wind 6 to 9 mph.
Saturday Night
Mostly clear, with a low around 35. West wind 5 to 8 mph.
Sunday
Sunny, with a high near 63. West southwest wind 5 to 13 mph becoming south southeast in the afternoon. Winds could gust as high as 21 mph.
Sunday Night
Mostly clear, with a low around 41. South southeast wind around 11 mph becoming west southwest after midnight. Winds could gust as high as 20 mph.
Monday
Sunny, with a high near 61. West wind 9 to 15 mph becoming north northwest in the afternoon. Winds could gust as high as 24 mph.
Monday Night
Mostly clear, with a low around 35.
Tuesday
Mostly sunny, with a high near 59.
Tuesday Night
Partly cloudy, with a low around 38.
Veterans Day
Mostly sunny, with a high near 60.
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ABOUT THIS FORECAST

 
Point Forecast:
Reliance SD
 43.88°N 99.6°W (Elev. 1781 ft)
5:21 am CST Nov 5, 2026
6am CST Nov 5, 2026-6pm CST Nov 11, 2026
 
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Additional Resources

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Hourly Weather Forecast

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