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

Rapid Warm-Up Forecast Across Much of the Lower 48 Today and Tuesday

Most of the U.S. starts the week calm and unseasonably warm. The Heartland will be warmest, with highs 25–30° above average. Only the Gulf Coast stays chilly. Rain today is limited to western Washington while lake effect snow continues east of Lake Ontario. Cooler air returns after Tuesday, bringing a wintry mix to the Midwest and Northeast by Wednesday. Read More >

Hazardous Weather Conditions

Current conditions at

Spearfish / Clyde Ice (KSPF)

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

Fair

57°F

14°C

Humidity 29%
Wind Speed W 18 G 25 mph
Barometer 30.05 in
Dewpoint 25°F (-4°C)
Visibility 10.00 mi
Last update 12 Jan 3:35 pm MST
Extended Forecast for

4 Miles SW North Spearfish SD

  • Tonight

    Tonight: Partly cloudy, with a low around 45. Breezy, with a west wind 18 to 20 mph, with gusts as high as 39 mph.

    Low: 45 °F

    Partly Cloudy
    and Breezy

  • Tuesday

    Tuesday: Rain likely before 4pm, then a chance of rain and snow. Cloudy, with a temperature falling to around 39 by 5pm. Northwest wind 15 to 18 mph, with gusts as high as 34 mph. Chance of precipitation is 60%. Little or no snow accumulation expected.

    High: 46 °F⇓

    Rain Likely
    then
    Rain/Snow
    Likely

  • Tuesday Night

    Tuesday Night: A chance of rain and snow before 8pm, then a chance of snow. Mostly cloudy, with a low around 31. Blustery, with a northwest wind 14 to 24 mph, with gusts as high as 32 mph. Chance of precipitation is 30%.

    Low: 31 °F

    Chance
    Rain/Snow and
    Blustery then
    Slight Chance
    Snow

  • Wednesday

    Wednesday: Mostly cloudy, then gradually becoming sunny, with a high near 42. Northwest wind 7 to 10 mph, with gusts as high as 17 mph.

    High: 42 °F

    Decreasing
    Clouds

  • Wednesday Night

    Wednesday Night: Mostly clear, with a steady temperature around 40. Breezy, with a southwest wind 13 to 18 mph increasing to 19 to 24 mph after midnight. Winds could gust as high as 32 mph.

    Low: 40 °F

    Mostly Clear
    then Mostly
    Clear and
    Breezy

  • Thursday

    Thursday: Mostly sunny, with a temperature falling to around 33 by 5pm. Breezy, with a northwest wind 22 to 25 mph, with gusts as high as 36 mph.

    High: 40 °F⇓

    Mostly Sunny
    and Breezy

  • Thursday Night

    Thursday Night: A 20 percent chance of snow. Mostly cloudy, with a low around 22. Very windy, with a northwest wind 33 to 41 mph, with gusts as high as 49 mph.

    Low: 22 °F

    Slight Chance
    Snow and Very
    Windy

  • Friday

    Friday: Mostly cloudy, with a high near 26. Very windy, with a northwest wind 35 to 40 mph decreasing to 23 to 28 mph in the afternoon. Winds could gust as high as 48 mph.

    High: 26 °F

    Mostly Cloudy
    and Very
    Windy

  • Friday Night

    Friday Night: Mostly cloudy, with a low around 20. Blustery.

    Low: 20 °F

    Mostly Cloudy
    and Blustery

Detailed Forecast

Tonight
Partly cloudy, with a low around 45. Breezy, with a west wind 18 to 20 mph, with gusts as high as 39 mph.
Tuesday
Rain likely before 4pm, then a chance of rain and snow. Cloudy, with a temperature falling to around 39 by 5pm. Northwest wind 15 to 18 mph, with gusts as high as 34 mph. Chance of precipitation is 60%. Little or no snow accumulation expected.
Tuesday Night
A chance of rain and snow before 8pm, then a chance of snow. Mostly cloudy, with a low around 31. Blustery, with a northwest wind 14 to 24 mph, with gusts as high as 32 mph. Chance of precipitation is 30%.
Wednesday
Mostly cloudy, then gradually becoming sunny, with a high near 42. Northwest wind 7 to 10 mph, with gusts as high as 17 mph.
Wednesday Night
Mostly clear, with a steady temperature around 40. Breezy, with a southwest wind 13 to 18 mph increasing to 19 to 24 mph after midnight. Winds could gust as high as 32 mph.
Thursday
Mostly sunny, with a temperature falling to around 33 by 5pm. Breezy, with a northwest wind 22 to 25 mph, with gusts as high as 36 mph.
Thursday Night
A 20 percent chance of snow. Mostly cloudy, with a low around 22. Very windy, with a northwest wind 33 to 41 mph, with gusts as high as 49 mph.
Friday
Mostly cloudy, with a high near 26. Very windy, with a northwest wind 35 to 40 mph decreasing to 23 to 28 mph in the afternoon. Winds could gust as high as 48 mph.
Friday Night
Mostly cloudy, with a low around 20. Blustery.
Saturday
Partly sunny, with a high near 31. Blustery.
Saturday Night
Mostly clear, with a low around 23. Breezy.
Sunday
Sunny, with a high near 42. Breezy.
Sunday Night
Mostly cloudy, with a low around 26.
M.L.King Day
Mostly sunny, with a high near 40.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
4 Miles SW North Spearfish SD
 44.47°N 103.97°W (Elev. 5299 ft)
Last Update:
3:02 pm MST Jan 12, 2026
Forecast Valid:
3pm MST Jan 12, 2026-6pm MST Jan 19, 2026
 
Forecast Discussion
 
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