Early Spring Heat Wave in the Southwest U.S.; Critical Fire Weather in the Central Rockies and Plains

An unusual early Spring heat wave will continue much above-normal temperatures over the Southwest U.S. through early next week. Many locations are likely to set records for the highest-ever March temperature. Periods of critical fire weather will persist from the central Rockies to the central Plains through Saturday as gusty winds and low relative humidity continue. Read More >

Current conditions at

Spearfish / Clyde Ice (KSPF)

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

Fair

43°F

6°C

Humidity 53%
Wind Speed Calm
Barometer 30.08 in
Dewpoint 27°F (-3°C)
Visibility 10.00 mi
Last update 19 Mar 6:55 am MDT
Extended Forecast for

Spearfish SD

Red Flag Warning March 19, 11:00am until March 19, 07:00pm
Click here for hazard details and duration
Red Flag Warning
  • Today

    Today: Mostly sunny, with a high near 78. West wind 8 to 15 mph, with gusts as high as 26 mph.

    High: 78 °F

    Mostly Sunny

  • Tonight

    Tonight: Mostly clear, with a low around 52. West wind 7 to 10 mph, with gusts as high as 20 mph.

    Low: 52 °F

    Mostly Clear

  • Friday

    Friday: Mostly sunny, with a high near 79. West wind 7 to 10 mph, with gusts as high as 22 mph.

    High: 79 °F

    Mostly Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 55. Southwest wind 6 to 9 mph, with gusts as high as 17 mph.

    Low: 55 °F

    Mostly Clear

  • Saturday

    Saturday: Mostly sunny, with a high near 81. Southwest wind 7 to 14 mph becoming north in the afternoon. Winds could gust as high as 25 mph.

    High: 81 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: A 40 percent chance of rain, mainly after midnight.  Mostly cloudy, with a low around 39. North wind 7 to 14 mph, with gusts as high as 25 mph.

    Low: 39 °F

    Chance Rain

  • Sunday

    Sunday: A chance of rain before 8am, then a chance of rain and snow between 8am and 10am, then a chance of rain after 10am.  Mostly sunny, with a high near 53. Northwest wind 7 to 10 mph, with gusts as high as 18 mph.  Chance of precipitation is 30%.

    High: 53 °F

    Chance
    Rain/Snow
    then Slight
    Chance Rain

  • Sunday Night

    Sunday Night: A slight chance of rain and snow before midnight.  Partly cloudy, with a low around 35. North wind 5 to 8 mph becoming south after midnight. Winds could gust as high as 16 mph.

    Low: 35 °F

    Slight Chance
    Rain/Snow
    then Partly
    Cloudy

  • Monday

    Monday: Partly sunny, with a high near 60.

    High: 60 °F

    Partly Sunny

Detailed Forecast

Today
Mostly sunny, with a high near 78. West wind 8 to 15 mph, with gusts as high as 26 mph.
Tonight
Mostly clear, with a low around 52. West wind 7 to 10 mph, with gusts as high as 20 mph.
Friday
Mostly sunny, with a high near 79. West wind 7 to 10 mph, with gusts as high as 22 mph.
Friday Night
Mostly clear, with a low around 55. Southwest wind 6 to 9 mph, with gusts as high as 17 mph.
Saturday
Mostly sunny, with a high near 81. Southwest wind 7 to 14 mph becoming north in the afternoon. Winds could gust as high as 25 mph.
Saturday Night
A 40 percent chance of rain, mainly after midnight. Mostly cloudy, with a low around 39. North wind 7 to 14 mph, with gusts as high as 25 mph.
Sunday
A chance of rain before 8am, then a chance of rain and snow between 8am and 10am, then a chance of rain after 10am. Mostly sunny, with a high near 53. Northwest wind 7 to 10 mph, with gusts as high as 18 mph. Chance of precipitation is 30%.
Sunday Night
A slight chance of rain and snow before midnight. Partly cloudy, with a low around 35. North wind 5 to 8 mph becoming south after midnight. Winds could gust as high as 16 mph.
Monday
Partly sunny, with a high near 60.
Monday Night
Mostly cloudy, with a low around 39.
Tuesday
Partly sunny, with a high near 65.
Tuesday Night
Mostly cloudy, with a low around 50.
Wednesday
A slight chance of rain. Partly sunny, with a high near 77.
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ABOUT THIS FORECAST

 
Point Forecast:
Spearfish SD
 44.48°N 103.85°W (Elev. 3780 ft)
6:51 am MDT Mar 19, 2026
7am MDT Mar 19, 2026-6pm MDT Mar 25, 2026
 
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Additional Resources

Radar & Satellite Image

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Hourly Weather Forecast

National Digital Forecast Database