Flooding Threat Along the Gulf Coast, Southern Rockies and High Plains; Cooler Weather in the Central and Eastern U.S.

Strong thunderstorms may bring excessive rainfall and flooding over parts of the northern Gulf Coast today and over parts of the southern Rockies into the High Plains today through the weekend. A refreshingly cool and dry air mass will continue to produce below average temperatures across the central and eastern U.S. through the weekend. Read More >

Hazardous Weather Conditions

Current conditions at

Spearfish / Clyde Ice (KSPF)

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

Overcast

63°F

17°C

Humidity 100%
Wind Speed Calm
Barometer 30.15 in
Dewpoint 63°F (17°C)
Visibility 10.00 mi
Last update 29 Aug 9:35 pm MDT
Extended Forecast for

2 Miles SSW Spearfish SD

  • Tonight

    Tonight: A slight chance of showers before 11pm, then a chance of showers after midnight.  Patchy fog after 1am.  Otherwise, mostly cloudy, with a low around 56. Calm wind.  Chance of precipitation is 30%.

    Low: 56 °F

    Chance
    Showers and
    Patchy Fog

  • Saturday

    Saturday: A chance of showers and thunderstorms before 11am, then showers likely and possibly a thunderstorm between 11am and 3pm, then a chance of showers and thunderstorms after 3pm.  Patchy fog before 9am.  Otherwise, mostly cloudy, with a high near 65. Calm wind becoming north around 5 mph in the afternoon.  Chance of precipitation is 70%.

    High: 65 °F

    Showers
    Likely and
    Patchy Fog

  • Saturday Night

    Saturday Night: A chance of showers and thunderstorms.  Mostly cloudy, with a low around 53. Northeast wind around 5 mph becoming southwest after midnight.  Chance of precipitation is 40%.

    Low: 53 °F

    Chance
    T-storms then
    Slight Chance
    Showers

  • Sunday

    Sunday: A 20 percent chance of showers and thunderstorms after noon.  Sunny, with a high near 73. Calm wind becoming north around 5 mph in the afternoon.

    High: 73 °F

    Mostly Sunny
    then Slight
    Chance
    T-storms

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 56. Northeast wind around 5 mph becoming southwest after midnight.

    Low: 56 °F

    Mostly Clear

  • Labor Day

    Labor Day: Sunny, with a high near 77. Southwest wind 5 to 10 mph becoming north in the afternoon. Winds could gust as high as 20 mph.

    High: 77 °F

    Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 57. North wind around 5 mph becoming southwest after midnight. Winds could gust as high as 15 mph.

    Low: 57 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 77. Southwest wind 5 to 10 mph becoming north in the afternoon. Winds could gust as high as 20 mph.

    High: 77 °F

    Sunny

  • Tuesday Night

    Tuesday Night: A chance of showers and thunderstorms.  Mostly cloudy, with a low around 52.

    Low: 52 °F

    Chance
    T-storms then
    Chance
    Showers

Detailed Forecast

Tonight
A slight chance of showers before 11pm, then a chance of showers after midnight. Patchy fog after 1am. Otherwise, mostly cloudy, with a low around 56. Calm wind. Chance of precipitation is 30%.
Saturday
A chance of showers and thunderstorms before 11am, then showers likely and possibly a thunderstorm between 11am and 3pm, then a chance of showers and thunderstorms after 3pm. Patchy fog before 9am. Otherwise, mostly cloudy, with a high near 65. Calm wind becoming north around 5 mph in the afternoon. Chance of precipitation is 70%.
Saturday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 53. Northeast wind around 5 mph becoming southwest after midnight. Chance of precipitation is 40%.
Sunday
A 20 percent chance of showers and thunderstorms after noon. Sunny, with a high near 73. Calm wind becoming north around 5 mph in the afternoon.
Sunday Night
Mostly clear, with a low around 56. Northeast wind around 5 mph becoming southwest after midnight.
Labor Day
Sunny, with a high near 77. Southwest wind 5 to 10 mph becoming north in the afternoon. Winds could gust as high as 20 mph.
Monday Night
Mostly clear, with a low around 57. North wind around 5 mph becoming southwest after midnight. Winds could gust as high as 15 mph.
Tuesday
Sunny, with a high near 77. Southwest wind 5 to 10 mph becoming north in the afternoon. Winds could gust as high as 20 mph.
Tuesday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 52.
Wednesday
Mostly sunny, with a high near 66.
Wednesday Night
Partly cloudy, with a low around 48.
Thursday
Sunny, with a high near 70.
Thursday Night
Mostly clear, with a low around 51.
Friday
Sunny, with a high near 74.
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ABOUT THIS FORECAST

 
Point Forecast:
2 Miles SSW Spearfish SD
 44.46°N 103.84°W (Elev. 4229 ft)
8:49 pm MDT Aug 29, 2025
9pm MDT Aug 29, 2025-6pm MDT Sep 5, 2025
 
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Additional Resources

Radar & Satellite Image

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Hourly Weather Forecast

National Digital Forecast Database