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

Lake-Effect Snow through Friday; Strong Winds in the Northern and Central Plains

A clipper-like system will drop down from Canada on Thursday, bringing wintry weather from the Upper Midwest to the Great Lakes through Friday. This system is expected to bring strong northerly winds to much of the northern and central High Plains Thursday afternoon through Friday, with gusts up to 60 mph expected. Read More >

Hazardous Weather Conditions

Current conditions at

Spearfish / Clyde Ice (KSPF)

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

Fair

41°F

5°C

Humidity 66%
Wind Speed Calm
Barometer 30.11 in
Dewpoint 30°F (-1°C)
Visibility 10.00 mi
Last update 14 Jan 6:35 pm MST
Extended Forecast for

3 Miles WSW Lead SD

High Wind Watch January 15, 05:00pm until January 16, 05:00pm
Click here for hazard details and duration
High Wind Watch

  • Tonight

    Tonight: Mostly clear, with a low around 28. Wind chill values as low as 19. Breezy, with a west wind 6 to 11 mph increasing to 15 to 20 mph after midnight. Winds could gust as high as 36 mph.

    Low: 28 °F

    Mostly Clear
    then Mostly
    Clear and
    Breezy

  • Thursday

    Thursday: Snow likely after 2pm. Increasing clouds, with a temperature falling to around 22 by 5pm. Wind chill values as low as 4. Breezy, with a northwest wind 15 to 25 mph, with gusts as high as 38 mph. Chance of precipitation is 60%. New snow accumulation of less than one inch possible.

    High: 36 °F⇓

    Breezy.
    Mostly Sunny
    then Snow
    Likely

  • Thursday Night

    Thursday Night: Snow likely. Patchy blowing snow after 1am. Mostly cloudy, with a low around 8. Wind chill values as low as -12. Windy, with a northwest wind 33 to 36 mph, with gusts as high as 55 mph. Chance of precipitation is 70%. New snow accumulation of 1 to 3 inches possible.

    Low: 8 °F

    Snow Likely
    and Patchy
    Blowing Snow

  • Friday

    Friday: A 40 percent chance of snow, mainly before 11am. Widespread blowing snow, mainly between 8am and 10am. Mostly cloudy, with a steady temperature around 10. Wind chill values as low as -14. Windy, with a northwest wind 23 to 33 mph, with gusts as high as 55 mph. New snow accumulation of less than a half inch possible.

    High: 10 °F

    Chance Snow
    and Blowing
    Snow

  • Friday Night

    Friday Night: A 40 percent chance of snow. Mostly cloudy, with a low around 4. Blustery, with a northwest wind around 25 mph, with gusts as high as 45 mph. New snow accumulation of less than a half inch possible.

    Low: 4 °F

    Chance Snow
    and Blustery

  • Saturday

    Saturday: Mostly sunny, with a high near 26. Blustery, with a northwest wind 13 to 22 mph, with gusts as high as 41 mph.

    High: 26 °F

    Mostly Sunny
    and Blustery
    then Mostly
    Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 17. Breezy, with a west wind 15 to 24 mph, with gusts as high as 44 mph.

    Low: 17 °F

    Partly Cloudy
    and Breezy

  • Sunday

    Sunday: Mostly sunny, with a high near 30. Breezy, with a northwest wind 18 to 24 mph, with gusts as high as 44 mph.

    High: 30 °F

    Mostly Sunny
    and Breezy
    then Partly
    Sunny

  • Sunday Night

    Sunday Night: Mostly cloudy, with a low around 14. Blustery.

    Low: 14 °F

    Mostly Cloudy
    and Blustery
    then Mostly
    Cloudy

Detailed Forecast

Tonight
Mostly clear, with a low around 28. Wind chill values as low as 19. Breezy, with a west wind 6 to 11 mph increasing to 15 to 20 mph after midnight. Winds could gust as high as 36 mph.
Thursday
Snow likely after 2pm. Increasing clouds, with a temperature falling to around 22 by 5pm. Wind chill values as low as 4. Breezy, with a northwest wind 15 to 25 mph, with gusts as high as 38 mph. Chance of precipitation is 60%. New snow accumulation of less than one inch possible.
Thursday Night
Snow likely. Patchy blowing snow after 1am. Mostly cloudy, with a low around 8. Wind chill values as low as -12. Windy, with a northwest wind 33 to 36 mph, with gusts as high as 55 mph. Chance of precipitation is 70%. New snow accumulation of 1 to 3 inches possible.
Friday
A 40 percent chance of snow, mainly before 11am. Widespread blowing snow, mainly between 8am and 10am. Mostly cloudy, with a steady temperature around 10. Wind chill values as low as -14. Windy, with a northwest wind 23 to 33 mph, with gusts as high as 55 mph. New snow accumulation of less than a half inch possible.
Friday Night
A 40 percent chance of snow. Mostly cloudy, with a low around 4. Blustery, with a northwest wind around 25 mph, with gusts as high as 45 mph. New snow accumulation of less than a half inch possible.
Saturday
Mostly sunny, with a high near 26. Blustery, with a northwest wind 13 to 22 mph, with gusts as high as 41 mph.
Saturday Night
Partly cloudy, with a low around 17. Breezy, with a west wind 15 to 24 mph, with gusts as high as 44 mph.
Sunday
Mostly sunny, with a high near 30. Breezy, with a northwest wind 18 to 24 mph, with gusts as high as 44 mph.
Sunday Night
Mostly cloudy, with a low around 14. Blustery.
M.L.King Day
Partly sunny, with a high near 24.
Monday Night
Partly cloudy, with a low around 17.
Tuesday
Mostly sunny, with a high near 34.
Tuesday Night
Mostly cloudy, with a low around 19.
Wednesday
Partly sunny, with a high near 33.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
3 Miles WSW Lead SD
 44.35°N 103.83°W (Elev. 6112 ft)
Last Update:
6:41 pm MST Jan 14, 2026
Forecast Valid:
6pm MST Jan 14, 2026-6pm MST Jan 21, 2026
 
Forecast Discussion
 
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Additional Resources

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Hourly Weather Forecast

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation