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

48°F

9°C

Humidity 34%
Wind Speed W 15 mph
Barometer 29.95 in
Dewpoint 21°F (-6°C)
Visibility 10.00 mi
Wind Chill42°F (6°C)
Last update 15 Jan 12:35 am MST
Extended Forecast for

2 Miles SW Lead SD

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

  • Overnight

    Overnight: Mostly clear, with a steady temperature around 36. West wind 9 to 15 mph, with gusts as high as 37 mph.

    Low: 36 °F

    Mostly Clear

  • Thursday

    Thursday: Snow likely after 2pm. Increasing clouds, with a temperature rising to near 36 by noon, then falling to around 24 during the remainder of the day. Wind chill values as low as 9. Breezy, with a northwest wind 13 to 20 mph, with gusts as high as 39 mph. Chance of precipitation is 60%. New snow accumulation of less than one inch possible.

    High: 36 °F⇓

    Mostly Sunny
    then Snow
    Likely and
    Breezy

  • Thursday Night

    Thursday Night: Snow likely. Patchy blowing snow after 1am. Mostly cloudy, with a low around 12. Wind chill values as low as -8. Windy, with a northwest wind 25 to 31 mph, with gusts as high as 55 mph. Chance of precipitation is 70%. New snow accumulation of 1 to 3 inches possible.

    Low: 12 °F

    Snow Likely
    and Patchy
    Blowing Snow

  • Friday

    Friday: A 40 percent chance of snow, mainly before 11am. Widespread blowing snow, mainly before 9am. Mostly cloudy, with a steady temperature around 13. Wind chill values as low as -10. Windy, with a northwest wind 22 to 30 mph, with gusts as high as 55 mph. New snow accumulation of less than one inch possible.

    High: 13 °F

    Chance Snow
    and Blowing
    Snow

  • Friday Night

    Friday Night: A 40 percent chance of snow. Mostly cloudy, with a low around 5. Blustery, with a northwest wind 18 to 20 mph, with gusts as high as 45 mph. New snow accumulation of less than a half inch possible.

    Low: 5 °F

    Chance Snow
    and Blustery

  • Saturday

    Saturday: Mostly sunny, with a high near 28. Northwest wind 9 to 16 mph, with gusts as high as 41 mph.

    High: 28 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 17. West wind 10 to 18 mph, with gusts as high as 43 mph.

    Low: 17 °F

    Partly Cloudy

  • Sunday

    Sunday: Mostly sunny, with a high near 33. Northwest wind 14 to 18 mph, with gusts as high as 44 mph.

    High: 33 °F

    Mostly Sunny

  • Sunday Night

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

    Low: 14 °F

    Mostly Cloudy

Detailed Forecast

Overnight
Mostly clear, with a steady temperature around 36. West wind 9 to 15 mph, with gusts as high as 37 mph.
Thursday
Snow likely after 2pm. Increasing clouds, with a temperature rising to near 36 by noon, then falling to around 24 during the remainder of the day. Wind chill values as low as 9. Breezy, with a northwest wind 13 to 20 mph, with gusts as high as 39 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 12. Wind chill values as low as -8. Windy, with a northwest wind 25 to 31 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 before 9am. Mostly cloudy, with a steady temperature around 13. Wind chill values as low as -10. Windy, with a northwest wind 22 to 30 mph, with gusts as high as 55 mph. New snow accumulation of less than one inch possible.
Friday Night
A 40 percent chance of snow. Mostly cloudy, with a low around 5. Blustery, with a northwest wind 18 to 20 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 28. Northwest wind 9 to 16 mph, with gusts as high as 41 mph.
Saturday Night
Partly cloudy, with a low around 17. West wind 10 to 18 mph, with gusts as high as 43 mph.
Sunday
Mostly sunny, with a high near 33. Northwest wind 14 to 18 mph, with gusts as high as 44 mph.
Sunday Night
Mostly cloudy, with a low around 14.
M.L.King Day
Partly sunny, with a high near 27.
Monday Night
Partly cloudy, with a low around 17.
Tuesday
Mostly sunny, with a high near 37.
Tuesday Night
Partly cloudy, with a low around 20.
Wednesday
Partly sunny, with a high near 37.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
2 Miles SW Lead SD
 44.33°N 103.8°W (Elev. 5627 ft)
Last Update:
12:16 am MST Jan 15, 2026
Forecast Valid:
12am MST Jan 15, 2026-6pm MST Jan 21, 2026
 
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Additional Resources

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Chance of Precipitation