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

45°F

7°C

Humidity 61%
Wind Speed W 9 mph
Barometer 30.07 in
Dewpoint 32°F (0°C)
Visibility 10.00 mi
Wind Chill40°F (4°C)
Last update 14 Jan 7:35 pm MST
Extended Forecast for

Spearfish SD

High Wind Watch January 15, 11:00am until January 16, 05:00pm
Click here for hazard details and duration
High Wind Watch

  • Tonight

    Tonight: Mostly clear, with a steady temperature around 44. Light west wind increasing to 13 to 18 mph in the evening. Winds could gust as high as 33 mph.

    Low: 44 °F

    Mostly Clear

  • Thursday

    Thursday: A chance of rain before 3pm, then a chance of rain and snow between 3pm and 4pm, then a chance of snow after 4pm. Partly sunny, with a temperature rising to near 46 by noon, then falling to around 33 during the remainder of the day. Wind chill values as low as 19. Breezy, with a west wind 18 to 28 mph, with gusts as high as 39 mph. Chance of precipitation is 50%. Little or no snow accumulation expected.

    High: 46 °F⇓

    Breezy.
    Mostly Sunny
    then Chance
    Rain/Snow

  • Thursday Night

    Thursday Night: A 40 percent chance of snow. Mostly cloudy, with a low around 20. Wind chill values as low as 3. Very windy, with a northwest wind 31 to 40 mph, with gusts as high as 55 mph. Little or no snow accumulation expected.

    Low: 20 °F

    Chance Snow
    and Very
    Windy

  • Friday

    Friday: A 30 percent chance of snow, mainly before 11am. Mostly cloudy, with a high near 26. Wind chill values as low as zero. Very windy, with a northwest wind 36 to 41 mph decreasing to 28 to 33 mph in the afternoon. Winds could gust as high as 55 mph.

    High: 26 °F

    Chance Snow
    and Very
    Windy

  • Friday Night

    Friday Night: A 30 percent chance of snow. Mostly cloudy, with a low around 12. Blustery, with a northwest wind around 23 mph, with gusts as high as 39 mph.

    Low: 12 °F

    Chance Snow
    and Blustery

  • Saturday

    Saturday: Mostly sunny, with a high near 34. Breezy, with a northwest wind 11 to 21 mph, with gusts as high as 37 mph.

    High: 34 °F

    Mostly Sunny
    and Breezy
    then Mostly
    Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 24. Breezy, with a west wind 13 to 22 mph, with gusts as high as 39 mph.

    Low: 24 °F

    Partly Cloudy
    then Partly
    Cloudy and
    Breezy

  • Sunday

    Sunday: Partly sunny, with a high near 41. Breezy, with a northwest wind 20 to 26 mph, with gusts as high as 43 mph.

    High: 41 °F

    Partly Sunny
    and Breezy

  • Sunday Night

    Sunday Night: Mostly cloudy, with a low around 20.

    Low: 20 °F

    Mostly Cloudy

Detailed Forecast

Tonight
Mostly clear, with a steady temperature around 44. Light west wind increasing to 13 to 18 mph in the evening. Winds could gust as high as 33 mph.
Thursday
A chance of rain before 3pm, then a chance of rain and snow between 3pm and 4pm, then a chance of snow after 4pm. Partly sunny, with a temperature rising to near 46 by noon, then falling to around 33 during the remainder of the day. Wind chill values as low as 19. Breezy, with a west wind 18 to 28 mph, with gusts as high as 39 mph. Chance of precipitation is 50%. Little or no snow accumulation expected.
Thursday Night
A 40 percent chance of snow. Mostly cloudy, with a low around 20. Wind chill values as low as 3. Very windy, with a northwest wind 31 to 40 mph, with gusts as high as 55 mph. Little or no snow accumulation expected.
Friday
A 30 percent chance of snow, mainly before 11am. Mostly cloudy, with a high near 26. Wind chill values as low as zero. Very windy, with a northwest wind 36 to 41 mph decreasing to 28 to 33 mph in the afternoon. Winds could gust as high as 55 mph.
Friday Night
A 30 percent chance of snow. Mostly cloudy, with a low around 12. Blustery, with a northwest wind around 23 mph, with gusts as high as 39 mph.
Saturday
Mostly sunny, with a high near 34. Breezy, with a northwest wind 11 to 21 mph, with gusts as high as 37 mph.
Saturday Night
Partly cloudy, with a low around 24. Breezy, with a west wind 13 to 22 mph, with gusts as high as 39 mph.
Sunday
Partly sunny, with a high near 41. Breezy, with a northwest wind 20 to 26 mph, with gusts as high as 43 mph.
Sunday Night
Mostly cloudy, with a low around 20.
M.L.King Day
Partly sunny, with a high near 34.
Monday Night
Partly cloudy, with a low around 23.
Tuesday
Mostly sunny, with a high near 43.
Tuesday Night
Mostly cloudy, with a low around 25.
Wednesday
Partly sunny, with a high near 43.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Spearfish SD
 44.48°N 103.85°W (Elev. 3780 ft)
Last Update:
7:26 pm MST Jan 14, 2026
Forecast Valid:
7pm MST Jan 14, 2026-6pm MST Jan 21, 2026
 
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Additional Resources

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Chance of Precipitation