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

Severe Thunderstorms and Heavy Rainfall from the Lower Mississippi Valley to the Mid-Atlantic; Active Pattern Continues in Hawaii

Scattered severe thunderstorms are expected today from the ArkLaTex and Lower Mississippi Valley through the Ohio Valley and Mid-Atlantic. Thunderstorms may produce heavy to excessive rain that could pose a flooding threat today from east Texas into New York. A powerful kona storm will continue to impact Hawaii through Saturday, bringing heavy rainfall, strong winds, and severe thunderstorms. Read More >

Hazardous Weather Conditions

Current conditions at

Spearfish / Clyde Ice (KSPF)

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

Fair

30°F

-1°C

Humidity 55%
Wind Speed W 17 G 28 mph
Barometer 30.25 in
Dewpoint 16°F (-9°C)
Visibility 10.00 mi
Wind Chill18°F (-8°C)
Last update 11 Mar 10:35 am MDT
Extended Forecast for

Spearfish SD

High Wind Watch March 12, 09:00am until March 12, 09:00pm
Click here for hazard details and duration
High Wind Watch

  • Today

    Today: Sunny, with a high near 40. West wind 14 to 18 mph, with gusts as high as 29 mph.

    High: 40 °F

    Sunny

  • Tonight

    Tonight: Partly cloudy, with a low around 26. Southwest wind 10 to 17 mph, with gusts as high as 26 mph.

    Low: 26 °F

    Partly Cloudy

  • Thursday

    Thursday: A 50 percent chance of rain after noon. Mostly cloudy, with a high near 59. Windy, with a southwest wind 20 to 25 mph increasing to 29 to 34 mph in the afternoon. Winds could gust as high as 47 mph.

    High: 59 °F

    Mostly Cloudy
    and Breezy
    then Chance
    Rain and
    Windy

  • Thursday Night

    Thursday Night: Rain and snow, becoming all snow after 7pm. Low around 27. Wind chill values as low as 19. Windy, with a northwest wind 21 to 31 mph decreasing to 7 to 17 mph. Winds could gust as high as 44 mph. Chance of precipitation is 80%. New snow accumulation of less than one inch possible.

    Low: 27 °F

    Rain/Snow and
    Windy then
    Snow

  • Friday

    Friday: Snow likely before 4pm, then rain and snow likely. Mostly cloudy, with a high near 43. West wind 6 to 10 mph becoming north in the afternoon. Winds could gust as high as 16 mph. Chance of precipitation is 70%. New snow accumulation of less than a half inch possible.

    High: 43 °F

    Snow Likely
    then
    Rain/Snow
    Likely

  • Friday Night

    Friday Night: Rain and snow likely, becoming all snow after 7pm. Mostly cloudy, with a low around 27. North wind 5 to 8 mph becoming light and variable. Winds could gust as high as 15 mph. Chance of precipitation is 70%. New snow accumulation of less than one inch possible.

    Low: 27 °F

    Rain/Snow
    Likely then
    Snow Likely

  • Saturday

    Saturday: A chance of snow before 10am, then rain and snow. High near 44. East wind 6 to 13 mph, with gusts as high as 22 mph. Chance of precipitation is 90%.

    High: 44 °F

    Chance
    Rain/Snow
    then
    Rain/Snow

  • Saturday Night

    Saturday Night: Rain and snow, becoming all snow after midnight. Mostly cloudy, with a low around 14. Northeast wind 14 to 17 mph becoming northwest after midnight. Winds could gust as high as 29 mph.

    Low: 14 °F

    Rain/Snow
    then Snow
    Likely

  • Sunday

    Sunday: Snow likely. Cloudy, then gradually becoming mostly sunny, with a high near 28.

    High: 28 °F

    Snow Likely

Detailed Forecast

Today
Sunny, with a high near 40. West wind 14 to 18 mph, with gusts as high as 29 mph.
Tonight
Partly cloudy, with a low around 26. Southwest wind 10 to 17 mph, with gusts as high as 26 mph.
Thursday
A 50 percent chance of rain after noon. Mostly cloudy, with a high near 59. Windy, with a southwest wind 20 to 25 mph increasing to 29 to 34 mph in the afternoon. Winds could gust as high as 47 mph.
Thursday Night
Rain and snow, becoming all snow after 7pm. Low around 27. Wind chill values as low as 19. Windy, with a northwest wind 21 to 31 mph decreasing to 7 to 17 mph. Winds could gust as high as 44 mph. Chance of precipitation is 80%. New snow accumulation of less than one inch possible.
Friday
Snow likely before 4pm, then rain and snow likely. Mostly cloudy, with a high near 43. West wind 6 to 10 mph becoming north in the afternoon. Winds could gust as high as 16 mph. Chance of precipitation is 70%. New snow accumulation of less than a half inch possible.
Friday Night
Rain and snow likely, becoming all snow after 7pm. Mostly cloudy, with a low around 27. North wind 5 to 8 mph becoming light and variable. Winds could gust as high as 15 mph. Chance of precipitation is 70%. New snow accumulation of less than one inch possible.
Saturday
A chance of snow before 10am, then rain and snow. High near 44. East wind 6 to 13 mph, with gusts as high as 22 mph. Chance of precipitation is 90%.
Saturday Night
Rain and snow, becoming all snow after midnight. Mostly cloudy, with a low around 14. Northeast wind 14 to 17 mph becoming northwest after midnight. Winds could gust as high as 29 mph.
Sunday
Snow likely. Cloudy, then gradually becoming mostly sunny, with a high near 28.
Sunday Night
A slight chance of snow. Mostly cloudy, with a low around 14.
Monday
A chance of snow. Mostly cloudy, with a high near 39.
Monday Night
A chance of rain and snow. Mostly cloudy, with a low around 31.
Tuesday
A chance of rain. Mostly cloudy, with a high near 61.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Spearfish SD
 44.5°N 103.85°W (Elev. 3911 ft)
Last Update:
8:57 am MDT Mar 11, 2026
Forecast Valid:
10am MDT Mar 11, 2026-6pm MDT Mar 17, 2026
 
Forecast Discussion
 
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Additional Resources

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