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.

61°F

16°C

Humidity 36%
Wind Speed W 18 G 28 mph
Barometer 29.76 in
Dewpoint 34°F (1°C)
Visibility 10.00 mi
Last update 17 Mar 1:35 pm MDT
Extended Forecast for

4 Miles SSW Lead SD

High Wind Warning March 17, 01:46pm until March 17, 06:00pm
Click here for hazard details and duration
High Wind Warning
  •  
    High Wind Warning March 17, 01:46pm until March 17, 06:00pm

    NOW until 6:00pm Tue

    High Wind Warning

  • This Afternoon

    High: 54 °F

    Mostly Sunny
    and Breezy

  • Tonight

    Tonight: Partly cloudy, with a low around 35. West wind 6 to 10 mph, with gusts as high as 33 mph.

    Low: 35 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Sunny, with a high near 61. West wind 6 to 10 mph, with gusts as high as 29 mph.

    High: 61 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 38. Northwest wind 5 to 7 mph, with gusts as high as 26 mph.

    Low: 38 °F

    Mostly Clear

  • Thursday

    Thursday: Mostly sunny, with a high near 65. West wind 5 to 8 mph, with gusts as high as 25 mph.

    High: 65 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 41. West wind 3 to 5 mph. Winds could gust as high as 20 mph.

    Low: 41 °F

    Partly Cloudy

  • Friday

    Friday: Sunny, with a high near 67. West wind 5 to 8 mph, with gusts as high as 25 mph.

    High: 67 °F

    Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 46. Southwest wind 3 to 5 mph. Winds could gust as high as 18 mph.

    Low: 46 °F

    Mostly Clear

Detailed Forecast

This Afternoon
Mostly sunny, with a high near 54. Breezy, with a northwest wind 24 to 29 mph decreasing to 14 to 19 mph. Winds could gust as high as 40 mph.
Tonight
Partly cloudy, with a low around 35. West wind 6 to 10 mph, with gusts as high as 33 mph.
Wednesday
Sunny, with a high near 61. West wind 6 to 10 mph, with gusts as high as 29 mph.
Wednesday Night
Mostly clear, with a low around 38. Northwest wind 5 to 7 mph, with gusts as high as 26 mph.
Thursday
Mostly sunny, with a high near 65. West wind 5 to 8 mph, with gusts as high as 25 mph.
Thursday Night
Partly cloudy, with a low around 41. West wind 3 to 5 mph. Winds could gust as high as 20 mph.
Friday
Sunny, with a high near 67. West wind 5 to 8 mph, with gusts as high as 25 mph.
Friday Night
Mostly clear, with a low around 46. Southwest wind 3 to 5 mph. Winds could gust as high as 18 mph.
Saturday
Mostly sunny, with a high near 72.
Saturday Night
A chance of rain and snow before midnight, then a chance of snow. Mostly cloudy, with a low around 27.
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 26.
Monday
A slight chance of rain and snow. Mostly sunny, with a high near 52.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
4 Miles SSW Lead SD
 44.29°N 103.8°W (Elev. 5761 ft)
Last Update:
1:22 pm MDT Mar 17, 2026
Forecast Valid:
1pm MDT Mar 17, 2026-6pm MDT Mar 23, 2026
 
Forecast Discussion
 
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Additional Resources

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