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

Excessive Rainfall Possible This Weekend; October Heat Wave in California

A slow moving front will be the focus area for heavy to excessive rainfall and a threat for flash/urban flooding across the northern Gulf Coast and Southeast U.S. through this weekend. Abnormally hot, potentially record-breaking, temperatures will impact southern California and stretch north toward the Bay Area and Central Valley into next week. Read More >

Current conditions at

Spearfish / Clyde Ice (KSPF)

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

Fair

68°F

20°C

Humidity 46%
Wind Speed NE 10 mph
Barometer 30.29 in
Dewpoint 46°F (8°C)
Visibility 10.00 mi
Last update 4 Oct 12:35 pm MDT
Extended Forecast for

Nisland SD

  • This Afternoon

    This Afternoon: Sunny, with a high near 75. East wind 11 to 13 mph, with gusts as high as 26 mph.

    High: 75 °F

    Sunny

  • Tonight

    Tonight: Clear, with a low around 48. East wind 8 to 13 mph becoming light and variable after midnight. Winds could gust as high as 18 mph.

    Low: 48 °F

    Clear

  • Monday

    Monday: Sunny, with a high near 86. Calm wind becoming northwest 5 to 9 mph in the afternoon. Winds could gust as high as 16 mph.

    High: 86 °F

    Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 54. West wind 6 to 9 mph.

    Low: 54 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 80. Northwest wind 8 to 17 mph, with gusts as high as 24 mph.

    High: 80 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 50. Northwest wind 5 to 10 mph becoming west after midnight. Winds could gust as high as 15 mph.

    Low: 50 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny, with a high near 76.

    High: 76 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 49.

    Low: 49 °F

    Mostly Clear

  • Thursday

    Thursday: Mostly sunny, with a high near 72.

    High: 72 °F

    Mostly Sunny

Detailed Forecast

This Afternoon
Sunny, with a high near 75. East wind 11 to 13 mph, with gusts as high as 26 mph.
Tonight
Clear, with a low around 48. East wind 8 to 13 mph becoming light and variable after midnight. Winds could gust as high as 18 mph.
Monday
Sunny, with a high near 86. Calm wind becoming northwest 5 to 9 mph in the afternoon. Winds could gust as high as 16 mph.
Monday Night
Mostly clear, with a low around 54. West wind 6 to 9 mph.
Tuesday
Sunny, with a high near 80. Northwest wind 8 to 17 mph, with gusts as high as 24 mph.
Tuesday Night
Mostly clear, with a low around 50. Northwest wind 5 to 10 mph becoming west after midnight. Winds could gust as high as 15 mph.
Wednesday
Sunny, with a high near 76.
Wednesday Night
Mostly clear, with a low around 49.
Thursday
Mostly sunny, with a high near 72.
Thursday Night
Mostly clear, with a low around 49.
Friday
Sunny, with a high near 79.
Friday Night
Mostly clear, with a low around 56.
Saturday
Sunny, with a high near 81.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Nisland SD
 44.66°N 103.56°W (Elev. 2897 ft)
Last Update:
12:31 pm MDT Oct 4, 2026
Forecast Valid:
12pm MDT Oct 4, 2026-6pm MDT Oct 10, 2026
 
Forecast Discussion
 
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Additional Resources

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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