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

Extremely Critical Fire Weather in the Central Plains; Active Pattern in the West

Gusty to high winds and low relative humidity will bring critical to extremely critical fire weather conditions to the central and southern Plains today into Wednesday. Use caution with any potential ignition sources. Two Pacific storms will impact the western U.S. into Wednesday with gusty winds, low elevation rain and heavy mountain snow. Read More >

Current conditions at

Spearfish / Clyde Ice (KSPF)

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

Fair

50°F

10°C

Humidity 32%
Wind Speed SW 8 G 21 mph
Barometer 29.17 in
Dewpoint 21°F (-6°C)
Visibility 10.00 mi
Wind Chill47°F (8°C)
Last update 17 Feb 1:35 pm MST
Extended Forecast for

3 Miles WSW Lead SD

  • This Afternoon

    This Afternoon: Snow likely, mainly between 3pm and 5pm. Mostly cloudy, with a high near 48. West wind 15 to 18 mph, with gusts as high as 37 mph. Chance of precipitation is 60%. Total daytime snow accumulation of less than a half inch possible.

    High: 48 °F

    Snow Likely

  • Tonight

    Tonight: A 30 percent chance of snow before 7pm. Partly cloudy, with a low around 20. Wind chill values as low as 8. Blustery, with a northwest wind 15 to 23 mph, with gusts as high as 32 mph.

    Low: 20 °F

    Chance Snow
    and Blustery
    then Mostly
    Clear and
    Breezy

  • Wednesday

    Wednesday: Mostly sunny, with a high near 32. Wind chill values as low as 8. West wind 8 to 11 mph becoming northeast in the afternoon. Winds could gust as high as 22 mph.

    High: 32 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Snow. The snow could be heavy at times. Low around 3. Wind chill values as low as -13. Northeast wind 10 to 13 mph becoming northwest after midnight. Winds could gust as high as 25 mph. Chance of precipitation is 80%. New snow accumulation of 3 to 5 inches possible.

    Low: 3 °F

    Heavy Snow

  • Thursday

    Thursday: Snow. High near 10. Northwest wind 8 to 10 mph, with gusts as high as 22 mph. Chance of precipitation is 90%. New snow accumulation of 1 to 3 inches possible.

    High: 10 °F

    Snow

  • Thursday Night

    Thursday Night: A 40 percent chance of snow before 11pm. Mostly cloudy, then gradually becoming mostly clear, with a low around 2. West wind around 7 mph, with gusts as high as 15 mph. New snow accumulation of less than a half inch possible.

    Low: 2 °F

    Chance Snow
    then Partly
    Cloudy

  • Friday

    Friday: A 20 percent chance of snow after 11am. Mostly sunny, with a high near 22. West wind around 6 mph becoming northwest in the afternoon. Winds could gust as high as 17 mph.

    High: 22 °F

    Slight Chance
    Snow

  • Friday Night

    Friday Night: A chance of snow, mainly before 11pm. Partly cloudy, with a low around 9. West wind 5 to 7 mph, with gusts as high as 16 mph.

    Low: 9 °F

    Chance Snow

  • Saturday

    Saturday: A slight chance of snow. Mostly sunny, with a high near 23.

    High: 23 °F

    Slight Chance
    Snow

Detailed Forecast

This Afternoon
Snow likely, mainly between 3pm and 5pm. Mostly cloudy, with a high near 48. West wind 15 to 18 mph, with gusts as high as 37 mph. Chance of precipitation is 60%. Total daytime snow accumulation of less than a half inch possible.
Tonight
A 30 percent chance of snow before 7pm. Partly cloudy, with a low around 20. Wind chill values as low as 8. Blustery, with a northwest wind 15 to 23 mph, with gusts as high as 32 mph.
Wednesday
Mostly sunny, with a high near 32. Wind chill values as low as 8. West wind 8 to 11 mph becoming northeast in the afternoon. Winds could gust as high as 22 mph.
Wednesday Night
Snow. The snow could be heavy at times. Low around 3. Wind chill values as low as -13. Northeast wind 10 to 13 mph becoming northwest after midnight. Winds could gust as high as 25 mph. Chance of precipitation is 80%. New snow accumulation of 3 to 5 inches possible.
Thursday
Snow. High near 10. Northwest wind 8 to 10 mph, with gusts as high as 22 mph. Chance of precipitation is 90%. New snow accumulation of 1 to 3 inches possible.
Thursday Night
A 40 percent chance of snow before 11pm. Mostly cloudy, then gradually becoming mostly clear, with a low around 2. West wind around 7 mph, with gusts as high as 15 mph. New snow accumulation of less than a half inch possible.
Friday
A 20 percent chance of snow after 11am. Mostly sunny, with a high near 22. West wind around 6 mph becoming northwest in the afternoon. Winds could gust as high as 17 mph.
Friday Night
A chance of snow, mainly before 11pm. Partly cloudy, with a low around 9. West wind 5 to 7 mph, with gusts as high as 16 mph.
Saturday
A slight chance of snow. Mostly sunny, with a high near 23.
Saturday Night
Mostly clear, with a low around 6.
Sunday
Mostly sunny, with a high near 28.
Sunday Night
Partly cloudy, with a low around 15.
Monday
Sunny, with a high near 42.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
3 Miles WSW Lead SD
 44.35°N 103.83°W (Elev. 6112 ft)
Last Update:
12:51 pm MST Feb 17, 2026
Forecast Valid:
1pm MST Feb 17, 2026-6pm MST Feb 23, 2026
 
Forecast Discussion
 
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Additional Resources

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Chance of Precipitation