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

Heavy to Excessive Rainfall for the Southwest U.S.; Watching for Possible East Coast Storm

Thunderstorms and a chance for some isolated flash flooding will continue today in the Southwest U.S. before an influx of tropical moisture from Priscilla brings widespread heavy rainfall and a flash flooding threat late this week into this weekend. A coastal storm may develop off the southeast U.S. coast Friday night and drift north just off the Mid-Atlantic coast through the weekend. Read More >

Current conditions at

Spearfish / Clyde Ice (KSPF)

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

Fair

75°F

24°C

Humidity 29%
Wind Speed Vrbl 3 mph
Barometer 29.96 in
Dewpoint 41°F (5°C)
Visibility 10.00 mi
Last update 8 Oct 5:35 pm MDT
Extended Forecast for

4 Miles S Lead SD

  • Tonight

    Tonight: Clear, with a low around 46. Southwest wind 7 to 10 mph, with gusts as high as 18 mph.

    Low: 46 °F

    Clear

  • Thursday

    Thursday: Sunny, with a high near 68. West wind 5 to 7 mph becoming light and variable in the afternoon. Winds could gust as high as 15 mph.

    High: 68 °F

    Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 40. Calm wind becoming south around 5 mph after midnight.

    Low: 40 °F

    Mostly Clear

  • Friday

    Friday: Mostly sunny, with a high near 63. Southeast wind 5 to 9 mph, with gusts as high as 22 mph.

    High: 63 °F

    Mostly Sunny

  • Friday Night

    Friday Night: A 20 percent chance of showers before midnight. Mostly cloudy, with a low around 47. South wind 8 to 11 mph, with gusts as high as 26 mph.

    Low: 47 °F

    Slight Chance
    Showers then
    Mostly Cloudy

  • Saturday

    Saturday: Partly sunny, with a high near 67. South wind 6 to 9 mph, with gusts as high as 22 mph.

    High: 67 °F

    Partly Sunny

  • Saturday Night

    Saturday Night: A 20 percent chance of showers. Partly cloudy, with a low around 43. South wind 6 to 11 mph, with gusts as high as 23 mph.

    Low: 43 °F

    Slight Chance
    Showers

  • Sunday

    Sunday: A chance of showers. Mostly sunny, with a high near 56. West wind 9 to 13 mph, with gusts as high as 23 mph.

    High: 56 °F

    Chance
    Showers

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 30.

    Low: 30 °F

    Mostly Clear

Detailed Forecast

Tonight
Clear, with a low around 46. Southwest wind 7 to 10 mph, with gusts as high as 18 mph.
Thursday
Sunny, with a high near 68. West wind 5 to 7 mph becoming light and variable in the afternoon. Winds could gust as high as 15 mph.
Thursday Night
Mostly clear, with a low around 40. Calm wind becoming south around 5 mph after midnight.
Friday
Mostly sunny, with a high near 63. Southeast wind 5 to 9 mph, with gusts as high as 22 mph.
Friday Night
A 20 percent chance of showers before midnight. Mostly cloudy, with a low around 47. South wind 8 to 11 mph, with gusts as high as 26 mph.
Saturday
Partly sunny, with a high near 67. South wind 6 to 9 mph, with gusts as high as 22 mph.
Saturday Night
A 20 percent chance of showers. Partly cloudy, with a low around 43. South wind 6 to 11 mph, with gusts as high as 23 mph.
Sunday
A chance of showers. Mostly sunny, with a high near 56. West wind 9 to 13 mph, with gusts as high as 23 mph.
Sunday Night
Mostly clear, with a low around 30.
Columbus Day
Mostly sunny, with a high near 51.
Monday Night
A slight chance of showers. Partly cloudy, with a low around 35.
Tuesday
A slight chance of showers. Mostly sunny, with a high near 55.
Tuesday Night
A chance of showers. Partly cloudy, with a low around 36.
Wednesday
A slight chance of showers. Mostly sunny, with a high near 54.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
4 Miles S Lead SD
 44.29°N 103.77°W (Elev. 6030 ft)
Last Update:
3:31 pm MDT Oct 8, 2025
Forecast Valid:
5pm MDT Oct 8, 2025-6pm MDT Oct 15, 2025
 
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