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.

Overcast and Breezy

50°F

10°C

Humidity 47%
Wind Speed W 21 G 31 mph
Barometer 29.73 in
Dewpoint 30°F (-1°C)
Visibility 10.00 mi
Wind Chill43°F (6°C)
Last update 17 Mar 9:15 am MDT
Extended Forecast for

4 Miles WSW Lead SD

High Wind Warning March 17, 09:17am until March 17, 06:00pm
Click here for hazard details and duration
High Wind Warning
  •  
    High Wind Warning March 17, 09:17am until March 17, 06:00pm

    NOW until 6:00pm Tue

    High Wind Warning

  • Today

    High: 51 °F

    Mostly Sunny
    and Breezy

  • Tonight

    Tonight: Partly cloudy, with a low around 36. Breezy, with a west wind 14 to 20 mph, with gusts as high as 36 mph.

    Low: 36 °F

    Partly Cloudy
    and Breezy
    then Mostly
    Clear

  • Wednesday

    Wednesday: Mostly sunny, with a high near 59. West wind around 14 mph, with gusts as high as 29 mph.

    High: 59 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 39. West wind 10 to 13 mph, with gusts as high as 25 mph.

    Low: 39 °F

    Partly Cloudy

  • Thursday

    Thursday: Mostly sunny, with a high near 61. West wind around 11 mph, with gusts as high as 26 mph.

    High: 61 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 43. West wind 8 to 10 mph, with gusts as high as 20 mph.

    Low: 43 °F

    Partly Cloudy

  • Friday

    Friday: Sunny, with a high near 64. Northwest wind around 10 mph, with gusts as high as 24 mph.

    High: 64 °F

    Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 46. Southwest wind around 10 mph, with gusts as high as 21 mph.

    Low: 46 °F

    Mostly Clear

Detailed Forecast

Today
Mostly sunny, with a high near 51. Breezy, with a northwest wind 20 to 26 mph, with gusts as high as 40 mph.
Tonight
Partly cloudy, with a low around 36. Breezy, with a west wind 14 to 20 mph, with gusts as high as 36 mph.
Wednesday
Mostly sunny, with a high near 59. West wind around 14 mph, with gusts as high as 29 mph.
Wednesday Night
Partly cloudy, with a low around 39. West wind 10 to 13 mph, with gusts as high as 25 mph.
Thursday
Mostly sunny, with a high near 61. West wind around 11 mph, with gusts as high as 26 mph.
Thursday Night
Partly cloudy, with a low around 43. West wind 8 to 10 mph, with gusts as high as 20 mph.
Friday
Sunny, with a high near 64. Northwest wind around 10 mph, with gusts as high as 24 mph.
Friday Night
Mostly clear, with a low around 46. Southwest wind around 10 mph, with gusts as high as 21 mph.
Saturday
Mostly sunny, with a high near 65.
Saturday Night
A chance of rain and snow before midnight, then a slight chance of snow. Mostly cloudy, with a low around 29.
Sunday
A slight chance of snow. Partly sunny, with a high near 44.
Sunday Night
A chance of snow. Mostly cloudy, with a low around 28.
Monday
A chance of rain and snow. Partly sunny, with a high near 49.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
4 Miles WSW Lead SD
 44.33°N 103.83°W (Elev. 6398 ft)
Last Update:
8:32 am MDT Mar 17, 2026
Forecast Valid:
9am MDT Mar 17, 2026-6pm MDT Mar 23, 2026
 
Forecast Discussion
 
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Additional Resources

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Chance of Precipitation