Heat the Southwest; Fire Weather in the Central U.S.; Kona Low Impacting Hawaii

A rare March heat wave is ongoing with much above-normal temperatures over the Southwest U.S. through this weekend. Periods of critical fire weather will persist from the central Rockies to the central and southern Plains through the weekend as gusty winds and low relative humidity continue. A Kona low will continue to bring several rounds of moderate to heavy rainfall to Hawaii through Sunday. Read More >

Hazardous Weather Conditions

Current conditions at

Spearfish / Clyde Ice (KSPF)

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

Overcast

45°F

7°C

Humidity 81%
Wind Speed N 15 mph
Barometer 30.02 in
Dewpoint 39°F (4°C)
Visibility 10.00 mi
Wind Chill38°F (3°C)
Last update 21 Mar 8:35 pm MDT
Extended Forecast for

9 Miles SW North Spearfish SD

  • Tonight

    Tonight: A chance of rain showers after 9pm, mixing with snow after 3am.  Cloudy, with a low around 33. Breezy, with a north wind 15 to 20 mph becoming light  after midnight. Winds could gust as high as 30 mph.  Chance of precipitation is 40%. Little or no snow accumulation expected.

    Low: 33 °F

    Slight Chance
    Showers and
    Breezy then
    Chance
    Rain/Snow

  • Sunday

    Sunday: A 30 percent chance of snow showers before 9am.  Cloudy, then gradually becoming mostly sunny, with a high near 51. Calm wind becoming west 5 to 8 mph in the morning. Winds could gust as high as 23 mph.

    High: 51 °F

    Chance Snow
    Showers then
    Mostly Sunny

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 33. Northwest wind 5 to 8 mph becoming calm  in the evening. Winds could gust as high as 21 mph.

    Low: 33 °F

    Partly Cloudy

  • Monday

    Monday: Mostly sunny, with a high near 58. Calm wind becoming north around 5 mph in the afternoon. Winds could gust as high as 15 mph.

    High: 58 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Mostly cloudy, with a low around 38. Northeast wind around 5 mph becoming calm  in the evening.

    Low: 38 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: Mostly cloudy, with a high near 59. Calm wind becoming northwest around 6 mph in the afternoon. Winds could gust as high as 18 mph.

    High: 59 °F

    Mostly Cloudy

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 42. Northeast wind around 6 mph becoming southwest after midnight. Winds could gust as high as 16 mph.

    Low: 42 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: Mostly sunny, with a high near 66. Southwest wind 6 to 8 mph becoming north in the afternoon. Winds could gust as high as 22 mph.

    High: 66 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Mostly cloudy, with a low around 36.

    Low: 36 °F

    Mostly Cloudy

Detailed Forecast

Tonight
A chance of rain showers after 9pm, mixing with snow after 3am. Cloudy, with a low around 33. Breezy, with a north wind 15 to 20 mph becoming light after midnight. Winds could gust as high as 30 mph. Chance of precipitation is 40%. Little or no snow accumulation expected.
Sunday
A 30 percent chance of snow showers before 9am. Cloudy, then gradually becoming mostly sunny, with a high near 51. Calm wind becoming west 5 to 8 mph in the morning. Winds could gust as high as 23 mph.
Sunday Night
Partly cloudy, with a low around 33. Northwest wind 5 to 8 mph becoming calm in the evening. Winds could gust as high as 21 mph.
Monday
Mostly sunny, with a high near 58. Calm wind becoming north around 5 mph in the afternoon. Winds could gust as high as 15 mph.
Monday Night
Mostly cloudy, with a low around 38. Northeast wind around 5 mph becoming calm in the evening.
Tuesday
Mostly cloudy, with a high near 59. Calm wind becoming northwest around 6 mph in the afternoon. Winds could gust as high as 18 mph.
Tuesday Night
Mostly cloudy, with a low around 42. Northeast wind around 6 mph becoming southwest after midnight. Winds could gust as high as 16 mph.
Wednesday
Mostly sunny, with a high near 66. Southwest wind 6 to 8 mph becoming north in the afternoon. Winds could gust as high as 22 mph.
Wednesday Night
Mostly cloudy, with a low around 36.
Thursday
Partly sunny, with a high near 48.
Thursday Night
A slight chance of snow. Mostly cloudy, with a low around 26.
Friday
Partly sunny, with a high near 47.
Friday Night
Mostly cloudy, with a low around 28.
Saturday
Partly sunny, with a high near 52.
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ABOUT THIS FORECAST

 
Point Forecast:
9 Miles SW North Spearfish SD
 44.41°N 104.02°W (Elev. 5600 ft)
7:07 pm MDT Mar 21, 2026
8pm MDT Mar 21, 2026-6pm MDT Mar 28, 2026
 
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Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database