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

Frigid Airmass to Bring Significantly Colder Temperatures; Snow Continues Downwind of the Great Lakes

A frigid cold airmass will bring significantly colder weather across the eastern two thirds of the country early this week. Record low temperatures are expected in the Southeast by Tuesday morning. Moderate to heavy lake effect snow will continue downwind of the Great Lakes through Monday. Several inches of snow accumulation is expected, including in portions of the Chicago Metro Read More >

Current conditions at

Spearfish / Clyde Ice (KSPF)

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

Partly Cloudy

30°F

-1°C

Humidity 86%
Wind Speed Calm
Barometer 30.35 in
Dewpoint 27°F (-3°C)
Visibility 10.00 mi
Last update 10 Nov 12:35 am MST
Extended Forecast for

3 Miles WSW Lead SD

  • Overnight

    Overnight: Mostly clear, with a steady temperature around 27. Wind chill values as low as 19. Southwest wind around 7 mph, with gusts as high as 16 mph.

    Low: 27 °F

    Mostly Clear

  • Monday

    Monday: Sunny, with a high near 60. West wind 6 to 8 mph, with gusts as high as 21 mph.

    High: 60 °F

    Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 36. West wind 11 to 14 mph, with gusts as high as 28 mph.

    Low: 36 °F

    Partly Cloudy

  • Veterans Day

    Veterans Day: Sunny, with a high near 45. Northwest wind 9 to 13 mph, with gusts as high as 29 mph.

    High: 45 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 29. West wind 6 to 9 mph, with gusts as high as 20 mph.

    Low: 29 °F

    Mostly Clear

  • Wednesday

    Wednesday: Mostly sunny, with a high near 47. Southwest wind around 6 mph becoming calm in the morning.

    High: 47 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 34. Southwest wind around 6 mph.

    Low: 34 °F

    Partly Cloudy

  • Thursday

    Thursday: Sunny, with a high near 54. Southwest wind around 6 mph, with gusts as high as 16 mph.

    High: 54 °F

    Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 42.

    Low: 42 °F

    Partly Cloudy

Detailed Forecast

Overnight
Mostly clear, with a steady temperature around 27. Wind chill values as low as 19. Southwest wind around 7 mph, with gusts as high as 16 mph.
Monday
Sunny, with a high near 60. West wind 6 to 8 mph, with gusts as high as 21 mph.
Monday Night
Partly cloudy, with a low around 36. West wind 11 to 14 mph, with gusts as high as 28 mph.
Veterans Day
Sunny, with a high near 45. Northwest wind 9 to 13 mph, with gusts as high as 29 mph.
Tuesday Night
Mostly clear, with a low around 29. West wind 6 to 9 mph, with gusts as high as 20 mph.
Wednesday
Mostly sunny, with a high near 47. Southwest wind around 6 mph becoming calm in the morning.
Wednesday Night
Partly cloudy, with a low around 34. Southwest wind around 6 mph.
Thursday
Sunny, with a high near 54. Southwest wind around 6 mph, with gusts as high as 16 mph.
Thursday Night
Partly cloudy, with a low around 42.
Friday
A slight chance of rain after 11am. Partly sunny, with a high near 51.
Friday Night
A chance of rain and snow. Mostly cloudy, with a low around 27.
Saturday
A chance of snow. Partly sunny, with a high near 38.
Saturday Night
Partly cloudy, with a low around 25.
Sunday
A chance of snow. Mostly sunny, with a high near 38.
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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:
9:51 pm MST Nov 9, 2025
Forecast Valid:
12am MST Nov 10, 2025-6pm MST Nov 16, 2025
 
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