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

50°F

10°C

Humidity 35%
Wind Speed W 9 G 18 mph
Barometer 30.01 in
Dewpoint 23°F (-5°C)
Visibility 10.00 mi
Wind Chill46°F (8°C)
Last update 14 Jan 10:55 pm MST
Extended Forecast for

6 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 steady temperature around 33. West wind 3 to 7 mph. Winds could gust as high as 29 mph.

    Low: 33 °F

    Mostly Clear

  • Thursday

    Thursday: Snow likely after 2pm. Increasing clouds, with a high near 41. Wind chill values as low as 9. Northwest wind 8 to 16 mph, with gusts as high as 34 mph. Chance of precipitation is 60%. New snow accumulation of less than a half inch possible.

    High: 41 °F

    Mostly Sunny
    then Snow
    Likely

  • Thursday Night

    Thursday Night: Snow likely. Patchy blowing snow after 2am. Mostly cloudy, with a low around 10. Wind chill values as low as -9. Blustery, with a northwest wind 20 to 24 mph, with gusts as high as 47 mph. Chance of precipitation is 70%. New snow accumulation of 1 to 3 inches possible.

    Low: 10 °F

    Snow Likely
    and Patchy
    Blowing Snow

  • Friday

    Friday: A 40 percent chance of snow, mainly before 11am. Patchy blowing snow before 1pm. Mostly cloudy, with a high near 18. Wind chill values as low as -10. Blustery, with a northwest wind 16 to 24 mph, with gusts as high as 48 mph. New snow accumulation of less than one inch possible.

    High: 18 °F

    Chance Snow
    and Patchy
    Blowing Snow

  • Friday Night

    Friday Night: A 40 percent chance of snow. Mostly cloudy, with a low around 3. Northwest wind 10 to 14 mph, with gusts as high as 38 mph. New snow accumulation of less than a half inch possible.

    Low: 3 °F

    Chance Snow

  • Saturday

    Saturday: Mostly sunny, with a high near 28. Northwest wind 7 to 10 mph, with gusts as high as 34 mph.

    High: 28 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 16. West wind 6 to 10 mph, with gusts as high as 37 mph.

    Low: 16 °F

    Partly Cloudy

  • Sunday

    Sunday: Mostly sunny, with a high near 33. Northwest wind 11 to 14 mph, with gusts as high as 37 mph.

    High: 33 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: Mostly cloudy, with a low around 12.

    Low: 12 °F

    Mostly Cloudy

Detailed Forecast

Tonight
Mostly clear, with a steady temperature around 33. West wind 3 to 7 mph. Winds could gust as high as 29 mph.
Thursday
Snow likely after 2pm. Increasing clouds, with a high near 41. Wind chill values as low as 9. Northwest wind 8 to 16 mph, with gusts as high as 34 mph. Chance of precipitation is 60%. New snow accumulation of less than a half inch possible.
Thursday Night
Snow likely. Patchy blowing snow after 2am. Mostly cloudy, with a low around 10. Wind chill values as low as -9. Blustery, with a northwest wind 20 to 24 mph, with gusts as high as 47 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. Patchy blowing snow before 1pm. Mostly cloudy, with a high near 18. Wind chill values as low as -10. Blustery, with a northwest wind 16 to 24 mph, with gusts as high as 48 mph. New snow accumulation of less than one inch possible.
Friday Night
A 40 percent chance of snow. Mostly cloudy, with a low around 3. Northwest wind 10 to 14 mph, with gusts as high as 38 mph. New snow accumulation of less than a half inch possible.
Saturday
Mostly sunny, with a high near 28. Northwest wind 7 to 10 mph, with gusts as high as 34 mph.
Saturday Night
Partly cloudy, with a low around 16. West wind 6 to 10 mph, with gusts as high as 37 mph.
Sunday
Mostly sunny, with a high near 33. Northwest wind 11 to 14 mph, with gusts as high as 37 mph.
Sunday Night
Mostly cloudy, with a low around 12.
M.L.King Day
Partly sunny, with a high near 27.
Monday Night
Partly cloudy, with a low around 16.
Tuesday
Mostly sunny, with a high near 37.
Tuesday Night
Mostly cloudy, with a low around 18.
Wednesday
Partly sunny, with a high near 38.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
6 Miles WSW Lead SD
 44.33°N 103.89°W (Elev. 5197 ft)
Last Update:
9:56 pm MST Jan 14, 2026
Forecast Valid:
11pm MST Jan 14, 2026-6pm MST Jan 21, 2026
 
Forecast Discussion
 
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Additional Resources

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Hourly Weather Forecast

National Digital Forecast Database

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation