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

Heavy Rainfall to Bring Flooding Threat to California; Heavy Snow in the Sierra

A strong atmospheric river will bring heavy rainfall to California through the holiday week. The heaviest rainfall is expected on Wednesday in the Los Angeles Basin. Flash and urban flooding is possible. A prolonged heavy snowfall is expected in the Sierra Nevada from the atmospheric river, raising concerns for major snow‐load impacts. Travel may be difficult to impossible over the passes. Read More >

Current conditions at

Spearfish / Clyde Ice (KSPF)

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

Fair

57°F

14°C

Humidity 25%
Wind Speed W 8 mph
Barometer 29.92 in
Dewpoint 21°F (-6°C)
Visibility 10.00 mi
Last update 24 Dec 1:35 am MST
Extended Forecast for

6 Miles WSW Lead SD

  • Overnight

    Overnight: Partly cloudy, with a steady temperature around 42. Southwest wind 3 to 5 mph. Winds could gust as high as 18 mph.

    Low: 42 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Mostly sunny, with a high near 53. Southwest wind 3 to 5 mph. Winds could gust as high as 16 mph.

    High: 53 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a steady temperature around 46. Southwest wind 5 to 10 mph, with gusts as high as 15 mph.

    Low: 46 °F

    Partly Cloudy

  • Christmas Day

    Christmas Day: Mostly sunny, with a high near 55. Southwest wind 7 to 13 mph.

    High: 55 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 36. Southwest wind around 6 mph, with gusts as high as 23 mph.

    Low: 36 °F

    Mostly Clear

  • Friday

    Friday: Sunny, with a high near 50. Southwest wind 7 to 9 mph, with gusts as high as 26 mph.

    High: 50 °F

    Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 28. Southwest wind around 7 mph, with gusts as high as 26 mph.

    Low: 28 °F

    Mostly Clear

  • Saturday

    Saturday: A slight chance of snow after 11am. Increasing clouds, with a high near 38. Northwest wind 6 to 9 mph, with gusts as high as 25 mph.

    High: 38 °F

    Slight Chance
    Snow

  • Saturday Night

    Saturday Night: A chance of snow, mainly before 11pm. Mostly cloudy, then gradually becoming mostly clear, with a low around 5.

    Low: 5 °F

    Chance Snow

Detailed Forecast

Overnight
Partly cloudy, with a steady temperature around 42. Southwest wind 3 to 5 mph. Winds could gust as high as 18 mph.
Wednesday
Mostly sunny, with a high near 53. Southwest wind 3 to 5 mph. Winds could gust as high as 16 mph.
Wednesday Night
Partly cloudy, with a steady temperature around 46. Southwest wind 5 to 10 mph, with gusts as high as 15 mph.
Christmas Day
Mostly sunny, with a high near 55. Southwest wind 7 to 13 mph.
Thursday Night
Mostly clear, with a low around 36. Southwest wind around 6 mph, with gusts as high as 23 mph.
Friday
Sunny, with a high near 50. Southwest wind 7 to 9 mph, with gusts as high as 26 mph.
Friday Night
Mostly clear, with a low around 28. Southwest wind around 7 mph, with gusts as high as 26 mph.
Saturday
A slight chance of snow after 11am. Increasing clouds, with a high near 38. Northwest wind 6 to 9 mph, with gusts as high as 25 mph.
Saturday Night
A chance of snow, mainly before 11pm. Mostly cloudy, then gradually becoming mostly clear, with a low around 5.
Sunday
Sunny, with a high near 22.
Sunday Night
Partly cloudy, with a low around 12.
Monday
Mostly sunny, with a high near 37.
Monday Night
Partly cloudy, with a low around 24.
Tuesday
A slight chance of snow. Partly sunny, with a high near 42.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
6 Miles WSW Lead SD
 44.33°N 103.89°W (Elev. 5197 ft)
Last Update:
1:36 am MST Dec 24, 2025
Forecast Valid:
1am MST Dec 24, 2025-6pm MST Dec 30, 2025
 
Forecast Discussion
 
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