Critical Fire Weather in the High Plains and Midwest; Heavy Snow in the Western Mountains and Northern Plains

Gusty winds and low relative humidity will bring critical fire weather to the central/southern High Plains and portions of the Midwest. Two Pacific storms will continue to bring heavy mountain snow and gusty winds to the western U.S. through Thursday. A swath of wintry weather, including heavy snow and a wintry mix, is expected from the Northern Plains to New England. Read More >

Current conditions at

Spearfish / Clyde Ice (KSPF)

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

Fair

23°F

-5°C

Humidity 54%
Wind Speed NW 10 mph
Barometer 29.59 in
Dewpoint 9°F (-13°C)
Visibility 10.00 mi
Wind Chill13°F (-11°C)
Last update 18 Feb 3:55 pm MST
Extended Forecast for

3 Miles WSW Lead SD

Winter Weather Advisory February 18, 11:00pm until February 19, 05:00pm
Click here for hazard details and duration
Winter Weather Advisory
  • This Afternoon

    This Afternoon: Mostly sunny, with a high near 29. Wind chill values as low as 7. Northeast wind around 9 mph, with gusts as high as 20 mph.

    High: 29 °F

    Mostly Sunny

  • Tonight

    Tonight: Snow likely, mainly after 11pm.  Increasing clouds, with a low around 2. Wind chill values as low as -14. Northeast wind around 10 mph becoming northwest after midnight. Winds could gust as high as 23 mph.  Chance of precipitation is 60%. New snow accumulation of less than a half inch possible.

    Low: 2 °F

    Snow Likely

  • Thursday

    Thursday: Snow.  High near 9. Wind chill values as low as -14. Northwest wind around 9 mph, with gusts as high as 21 mph.  Chance of precipitation is 80%. New snow accumulation of 1 to 2 inches possible.

    High: 9 °F

    Snow

  • Thursday Night

    Thursday Night: A 50 percent chance of snow before 11pm.  Cloudy, then gradually becoming partly cloudy, with a low around 1. Wind chill values as low as -11. West wind 5 to 7 mph, with gusts as high as 17 mph.  New snow accumulation of less than a half inch possible.

    Low: 1 °F

    Chance Snow
    then Partly
    Cloudy

  • Friday

    Friday: A 20 percent chance of snow after 11am.  Mostly sunny, with a high near 20. West wind around 6 mph, with gusts as high as 17 mph.

    High: 20 °F

    Slight Chance
    Snow

  • Friday Night

    Friday Night: Partly cloudy, with a low around 7. Southwest wind around 6 mph.

    Low: 7 °F

    Partly Cloudy

  • Saturday

    Saturday: A 20 percent chance of snow after 11am.  Mostly sunny, with a high near 25. Northwest wind 6 to 8 mph, with gusts as high as 22 mph.

    High: 25 °F

    Slight Chance
    Snow

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 8. West wind around 6 mph, with gusts as high as 16 mph.

    Low: 8 °F

    Mostly Clear

  • Sunday

    Sunday: Mostly sunny, with a high near 28.

    High: 28 °F

    Mostly Sunny

Detailed Forecast

This Afternoon
Mostly sunny, with a high near 29. Wind chill values as low as 7. Northeast wind around 9 mph, with gusts as high as 20 mph.
Tonight
Snow likely, mainly after 11pm. Increasing clouds, with a low around 2. Wind chill values as low as -14. Northeast wind around 10 mph becoming northwest after midnight. Winds could gust as high as 23 mph. Chance of precipitation is 60%. New snow accumulation of less than a half inch possible.
Thursday
Snow. High near 9. Wind chill values as low as -14. Northwest wind around 9 mph, with gusts as high as 21 mph. Chance of precipitation is 80%. New snow accumulation of 1 to 2 inches possible.
Thursday Night
A 50 percent chance of snow before 11pm. Cloudy, then gradually becoming partly cloudy, with a low around 1. Wind chill values as low as -11. West wind 5 to 7 mph, with gusts as high as 17 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 20. West wind around 6 mph, with gusts as high as 17 mph.
Friday Night
Partly cloudy, with a low around 7. Southwest wind around 6 mph.
Saturday
A 20 percent chance of snow after 11am. Mostly sunny, with a high near 25. Northwest wind 6 to 8 mph, with gusts as high as 22 mph.
Saturday Night
Mostly clear, with a low around 8. West wind around 6 mph, with gusts as high as 16 mph.
Sunday
Mostly sunny, with a high near 28.
Sunday Night
Partly cloudy, with a low around 16.
Monday
Sunny, with a high near 43.
Monday Night
Partly cloudy, with a low around 29.
Tuesday
A chance of snow. Partly sunny, with a high near 43.
Tuesday Night
A chance of snow. Partly cloudy, with a low around 23.
Wednesday
A chance of snow. Mostly sunny, with a high near 37.
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ABOUT THIS FORECAST

 
Point Forecast:
3 Miles WSW Lead SD
 44.35°N 103.83°W (Elev. 6112 ft)
2:37 pm MST Feb 18, 2026
4pm MST Feb 18, 2026-6pm MST Feb 25, 2026
 
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Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database