Heat Wave Continues in the West; Critical Fire Weather Conditions in the High Plains

An anomalously early heat wave will continue to intensify and expand across the West and Southwest as the week progresses. Numerous daily and potentially monthly record highs are expected to be broken. Critical fire weather conditions will continue over the next couple of days across portions of the High Plains as gusty winds and dry conditions persist. Read More >

Hazardous Weather Conditions

Current conditions at

Spearfish / Clyde Ice (KSPF)

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

A Few Clouds

48°F

9°C

Humidity 54%
Wind Speed W 9 mph
Barometer 29.95 in
Dewpoint 32°F (0°C)
Visibility 10.00 mi
Wind Chill44°F (7°C)
Last update 18 Mar 5:15 am MDT
Extended Forecast for

Spearfish SD

  • Today

    Today: Sunny, with a high near 70. Breezy, with a west wind 13 to 21 mph, with gusts as high as 37 mph.

    High: 70 °F

    Mostly Sunny
    then Sunny
    and Breezy

  • Tonight

    Tonight: Mostly clear, with a low around 44. West wind 9 to 18 mph, with gusts as high as 29 mph.

    Low: 44 °F

    Mostly Clear

  • Thursday

    Thursday: Mostly sunny, with a high near 75. West wind 9 to 16 mph, with gusts as high as 29 mph.

    High: 75 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 51. West wind 8 to 13 mph.

    Low: 51 °F

    Partly Cloudy

  • Friday

    Friday: Sunny, with a high near 73. Northwest wind 10 to 14 mph, with gusts as high as 24 mph.

    High: 73 °F

    Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 52. West wind 8 to 10 mph becoming southwest in the evening. Winds could gust as high as 17 mph.

    Low: 52 °F

    Mostly Clear

  • Saturday

    Saturday: Mostly sunny, with a high near 75. Southwest wind 9 to 15 mph becoming north in the afternoon. Winds could gust as high as 26 mph.

    High: 75 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: A chance of rain before midnight, then a chance of rain and snow.  Mostly cloudy, with a low around 34. Northwest wind 8 to 16 mph, with gusts as high as 26 mph.

    Low: 34 °F

    Chance Rain
    then Chance
    Rain/Snow

  • Sunday

    Sunday: A slight chance of rain and snow.  Partly sunny, with a high near 49.

    High: 49 °F

    Slight Chance
    Rain/Snow

Detailed Forecast

Today
Sunny, with a high near 70. Breezy, with a west wind 13 to 21 mph, with gusts as high as 37 mph.
Tonight
Mostly clear, with a low around 44. West wind 9 to 18 mph, with gusts as high as 29 mph.
Thursday
Mostly sunny, with a high near 75. West wind 9 to 16 mph, with gusts as high as 29 mph.
Thursday Night
Partly cloudy, with a low around 51. West wind 8 to 13 mph.
Friday
Sunny, with a high near 73. Northwest wind 10 to 14 mph, with gusts as high as 24 mph.
Friday Night
Mostly clear, with a low around 52. West wind 8 to 10 mph becoming southwest in the evening. Winds could gust as high as 17 mph.
Saturday
Mostly sunny, with a high near 75. Southwest wind 9 to 15 mph becoming north in the afternoon. Winds could gust as high as 26 mph.
Saturday Night
A chance of rain before midnight, then a chance of rain and snow. Mostly cloudy, with a low around 34. Northwest wind 8 to 16 mph, with gusts as high as 26 mph.
Sunday
A slight chance of rain and snow. Partly sunny, with a high near 49.
Sunday Night
A slight chance of rain after midnight. Mostly cloudy, with a low around 32.
Monday
Mostly sunny, with a high near 58.
Monday Night
Mostly cloudy, with a low around 35.
Tuesday
Partly sunny, with a high near 58.
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ABOUT THIS FORECAST

 
Point Forecast:
Spearfish SD
 44.5°N 103.85°W (Elev. 3911 ft)
4:48 am MDT Mar 18, 2026
5am MDT Mar 18, 2026-6pm MDT Mar 24, 2026
 
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Additional Resources

Radar & Satellite Image

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Hourly Weather Forecast

National Digital Forecast Database