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

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

Spearfish / Clyde Ice (KSPF)

Lat: 44.48°NLon: 103.78°WElev: 3898ft.

Fair

39°F

4°C

Humidity 65%
Wind Speed SW 5 mph
Barometer 30.03 in
Dewpoint 28°F (-2°C)
Visibility 10.00 mi
Wind Chill35°F (2°C)
Last update 4 Nov 6:15 pm MST
Extended Forecast for

Nisland SD

  • Tonight

    Tonight: Partly cloudy, with a low around 30. West wind 8 to 10 mph, with gusts as high as 18 mph.

    Low: 30 °F

    Partly Cloudy

  • Thursday

    Thursday: Mostly sunny, with a high near 52. Light and variable wind becoming east 5 to 10 mph in the afternoon. Winds could gust as high as 20 mph.

    High: 52 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Mostly cloudy, with a low around 29. Southeast wind 5 to 10 mph becoming west after midnight. Winds could gust as high as 15 mph.

    Low: 29 °F

    Mostly Cloudy

  • Friday

    Friday: Mostly sunny, with a high near 54. West wind 6 to 14 mph, with gusts as high as 24 mph.

    High: 54 °F

    Mostly Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 32. Southwest wind 6 to 8 mph.

    Low: 32 °F

    Mostly Clear

  • Saturday

    Saturday: Sunny, with a high near 61. Breezy, with a west wind 10 to 15 mph increasing to 16 to 21 mph in the afternoon. Winds could gust as high as 34 mph.

    High: 61 °F

    Sunny and
    Breezy

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 33.

    Low: 33 °F

    Mostly Clear

  • Sunday

    Sunday: Sunny, with a high near 65.

    High: 65 °F

    Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 39.

    Low: 39 °F

    Mostly Clear

Detailed Forecast

Tonight
Partly cloudy, with a low around 30. West wind 8 to 10 mph, with gusts as high as 18 mph.
Thursday
Mostly sunny, with a high near 52. Light and variable wind becoming east 5 to 10 mph in the afternoon. Winds could gust as high as 20 mph.
Thursday Night
Mostly cloudy, with a low around 29. Southeast wind 5 to 10 mph becoming west after midnight. Winds could gust as high as 15 mph.
Friday
Mostly sunny, with a high near 54. West wind 6 to 14 mph, with gusts as high as 24 mph.
Friday Night
Mostly clear, with a low around 32. Southwest wind 6 to 8 mph.
Saturday
Sunny, with a high near 61. Breezy, with a west wind 10 to 15 mph increasing to 16 to 21 mph in the afternoon. Winds could gust as high as 34 mph.
Saturday Night
Mostly clear, with a low around 33.
Sunday
Sunny, with a high near 65.
Sunday Night
Mostly clear, with a low around 39.
Monday
Sunny, with a high near 60.
Monday Night
Partly cloudy, with a low around 35.
Tuesday
Mostly sunny, with a high near 60.
Tuesday Night
Partly cloudy, with a low around 37.
Veterans Day
Mostly sunny, with a high near 63.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Nisland SD
 44.68°N 103.56°W (Elev. 2936 ft)
Last Update:
5:41 pm MST Nov 4, 2026
Forecast Valid:
6pm MST Nov 4, 2026-6pm MST Nov 11, 2026
 
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