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

Early Heat Wave in the West; Fire Concerns in the 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. Elevated to critical fire weather conditions are expected today across the High Plains and southern Plains. Lake effect snow downwind of the Great Lakes will taper off today. Read More >

Hazardous Weather Conditions

Current conditions at

Spearfish / Clyde Ice (KSPF)

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

Windy

63°F

17°C

Humidity 32%
Wind Speed NW 30 G 41 mph
Barometer 29.79 in
Dewpoint 32°F (0°C)
Visibility 10.00 mi
Last update 17 Mar 3:55 pm MDT
Extended Forecast for

4 Miles SW North Spearfish SD

Wind Advisory until March 17, 06:00pm
Click here for hazard details and duration
Wind Advisory
  •  
    Wind Advisory until March 17, 06:00pm

    NOW until 6:00pm Tue

    Wind Advisory

  • This Afternoon

    High: 59 °F

    Partly Sunny
    and Breezy

  • Tonight

    Tonight: Partly cloudy, with a low around 41. Breezy, with a west wind 16 to 23 mph, with gusts as high as 34 mph.

    Low: 41 °F

    Mostly Cloudy
    and Breezy
    then Mostly
    Clear

  • Wednesday

    Wednesday: Mostly sunny, with a high near 63. West wind around 15 mph, with gusts as high as 26 mph.

    High: 63 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 44. West wind 11 to 15 mph, with gusts as high as 23 mph.

    Low: 44 °F

    Mostly Clear

  • Thursday

    Thursday: Mostly sunny, with a high near 67. Southwest wind 10 to 13 mph, with gusts as high as 24 mph.

    High: 67 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 47. Southwest wind 10 to 14 mph, with gusts as high as 20 mph.

    Low: 47 °F

    Partly Cloudy

  • Friday

    Friday: Sunny, with a high near 70. West wind 10 to 14 mph, with gusts as high as 22 mph.

    High: 70 °F

    Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 53. Southwest wind 9 to 13 mph, with gusts as high as 18 mph.

    Low: 53 °F

    Mostly Clear

Detailed Forecast

This Afternoon
Partly sunny, with a high near 59. Breezy, with a northwest wind around 25 mph, with gusts as high as 38 mph.
Tonight
Partly cloudy, with a low around 41. Breezy, with a west wind 16 to 23 mph, with gusts as high as 34 mph.
Wednesday
Mostly sunny, with a high near 63. West wind around 15 mph, with gusts as high as 26 mph.
Wednesday Night
Mostly clear, with a low around 44. West wind 11 to 15 mph, with gusts as high as 23 mph.
Thursday
Mostly sunny, with a high near 67. Southwest wind 10 to 13 mph, with gusts as high as 24 mph.
Thursday Night
Partly cloudy, with a low around 47. Southwest wind 10 to 14 mph, with gusts as high as 20 mph.
Friday
Sunny, with a high near 70. West wind 10 to 14 mph, with gusts as high as 22 mph.
Friday Night
Mostly clear, with a low around 53. Southwest wind 9 to 13 mph, with gusts as high as 18 mph.
Saturday
Mostly sunny, with a high near 73.
Saturday Night
A chance of rain before midnight, then a slight chance of rain and snow. Mostly cloudy, with a low around 34.
Sunday
A slight chance of snow. Partly sunny, with a high near 46.
Sunday Night
A slight chance of rain and snow. Mostly cloudy, with a low around 33.
Monday
A slight chance of rain and snow. Mostly sunny, with a high near 53.
Monday Night
A slight chance of rain. Mostly cloudy, with a low around 36.
Tuesday
A slight chance of rain. Partly sunny, with a high near 57.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
4 Miles SW North Spearfish SD
 44.47°N 103.97°W (Elev. 5299 ft)
Last Update:
3:38 pm MDT Mar 17, 2026
Forecast Valid:
4pm MDT Mar 17, 2026-6pm MDT Mar 24, 2026
 
Forecast Discussion
 
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Additional Resources

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Chance of Precipitation