Tracking Areas of Fire Weather, Winter Weather, and Severe Weather Thursday

Continuation of gusty winds and low relative humidity will bring additional periods of critical fire weather to the southern Plains Thursday and Friday. Another Pacific storm will continue gusty winds and heavy snow over the western mountains into Thursday. Severe thunderstorms are possible across parts of the middle Mississippi into lower Ohio Valleys Thursday afternoon into early evening. Read More >

Current conditions at

Spearfish / Clyde Ice (KSPF)

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

Overcast

9°F

-13°C

Humidity 78%
Wind Speed NW 13 mph
Barometer 29.72 in
Dewpoint 3°F (-16°C)
Visibility 10.00 mi
Wind Chill-7°F (-22°C)
Last update 18 Feb 10:35 pm MST
Extended Forecast for

4 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
  • Tonight

    Tonight: A 40 percent chance of snow.  Mostly cloudy, with a low around 1. Wind chill values as low as -15. North wind 7 to 10 mph, with gusts as high as 18 mph.  Total nighttime snow accumulation of less than one inch possible.

    Low: 1 °F

    Chance Snow

  • Thursday

    Thursday: Snow likely, mainly before 9am.  Cloudy, with a high near 7. Wind chill values as low as -15. Northwest wind around 10 mph, with gusts as high as 20 mph.  Chance of precipitation is 60%. New snow accumulation of 1 to 2 inches possible.

    High: 7 °F

    Snow Likely

  • Thursday Night

    Thursday Night: A 30 percent chance of snow, mainly before 8pm.  Cloudy, then gradually becoming partly cloudy, with a low around -2. Wind chill values as low as -14. West wind 6 to 8 mph, with gusts as high as 16 mph.

    Low: -2 °F

    Chance Snow
    then Mostly
    Cloudy

  • Friday

    Friday: Mostly sunny, with a high near 20. Wind chill values as low as -12. Northwest wind 5 to 7 mph, with gusts as high as 17 mph.

    High: 20 °F

    Mostly Sunny

  • Friday Night

    Friday Night: A 20 percent chance of snow before 11pm.  Partly cloudy, with a low around 5. Southwest wind around 6 mph.

    Low: 5 °F

    Slight Chance
    Snow then
    Partly Cloudy

  • Saturday

    Saturday: A 20 percent chance of snow after 11am.  Mostly sunny, with a high near 24. Northwest wind 6 to 9 mph, with gusts as high as 22 mph.

    High: 24 °F

    Slight Chance
    Snow

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 6. West wind 5 to 7 mph, with gusts as high as 15 mph.

    Low: 6 °F

    Mostly Clear

  • Sunday

    Sunday: Mostly sunny, with a high near 28. Southwest wind 5 to 8 mph becoming east in the morning. Winds could gust as high as 18 mph.

    High: 28 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 16.

    Low: 16 °F

    Partly Cloudy

Detailed Forecast

Tonight
A 40 percent chance of snow. Mostly cloudy, with a low around 1. Wind chill values as low as -15. North wind 7 to 10 mph, with gusts as high as 18 mph. Total nighttime snow accumulation of less than one inch possible.
Thursday
Snow likely, mainly before 9am. Cloudy, with a high near 7. Wind chill values as low as -15. Northwest wind around 10 mph, with gusts as high as 20 mph. Chance of precipitation is 60%. New snow accumulation of 1 to 2 inches possible.
Thursday Night
A 30 percent chance of snow, mainly before 8pm. Cloudy, then gradually becoming partly cloudy, with a low around -2. Wind chill values as low as -14. West wind 6 to 8 mph, with gusts as high as 16 mph.
Friday
Mostly sunny, with a high near 20. Wind chill values as low as -12. Northwest wind 5 to 7 mph, with gusts as high as 17 mph.
Friday Night
A 20 percent chance of snow before 11pm. Partly cloudy, with a low around 5. Southwest wind around 6 mph.
Saturday
A 20 percent chance of snow after 11am. Mostly sunny, with a high near 24. Northwest wind 6 to 9 mph, with gusts as high as 22 mph.
Saturday Night
Mostly clear, with a low around 6. West wind 5 to 7 mph, with gusts as high as 15 mph.
Sunday
Mostly sunny, with a high near 28. Southwest wind 5 to 8 mph becoming east in the morning. Winds could gust as high as 18 mph.
Sunday Night
Partly cloudy, with a low around 16.
Monday
Sunny, with a high near 42.
Monday Night
Partly cloudy, with a low around 28.
Tuesday
A chance of snow. Partly sunny, with a high near 42.
Tuesday Night
A chance of snow. Partly cloudy, with a low around 22.
Wednesday
A chance of snow. Mostly sunny, with a high near 36.
Basemap Options
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ABOUT THIS FORECAST

 
Point Forecast:
4 Miles WSW Lead SD
 44.33°N 103.83°W (Elev. 6398 ft)
9:56 pm MST Feb 18, 2026
10pm 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