Sinlaku Continues to Impact the Marianas; Severe Weather from the Central US to the Northeast; Late-Season Snow in the Northwest

Sinlaku continues to bring destructive winds, widespread heavy rain/flooding, and storm surge to the Marianas. Showers and severe thunderstorms are expected from the Northeast to the Mid-Mississippi Valley and to the Central/Southern Plains through Thursday. A front will produce late-season snowfall over the Cascades and Northern Rockies and coastal rain over the Northwest Coast through Thursday. Read More >

Current conditions at

Spearfish / Clyde Ice (KSPF)

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

Fair

39°F

4°C

Humidity 81%
Wind Speed S 5 mph
Barometer 29.79 in
Dewpoint 34°F (1°C)
Visibility 10.00 mi
Wind Chill35°F (2°C)
Last update 14 Apr 8:55 pm MDT
Extended Forecast for

9 Miles SW North Spearfish SD

  • Tonight

    Tonight: Mostly clear, with a low around 37. Calm wind becoming southwest around 6 mph after midnight. Winds could gust as high as 15 mph.

    Low: 37 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny, with a high near 62. Southwest wind around 6 mph, with gusts as high as 17 mph.

    High: 62 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 44. Southwest wind 6 to 13 mph, with gusts as high as 29 mph.

    Low: 44 °F

    Mostly Clear

  • Thursday

    Thursday: Showers likely after noon.  Increasing clouds, with a high near 59. Southwest wind 9 to 14 mph becoming northwest in the afternoon. Winds could gust as high as 30 mph.  Chance of precipitation is 60%.

    High: 59 °F

    Mostly Sunny
    then Showers
    Likely

  • Thursday Night

    Thursday Night: Rain showers before 8pm, then rain and snow showers between 8pm and 9pm, then snow showers after 9pm.  Low around 21. North wind around 10 mph, with gusts as high as 25 mph.  Chance of precipitation is 90%. New snow accumulation of 1 to 3 inches possible.

    Low: 21 °F

    Rain/Snow
    then Snow
    Showers

  • Friday

    Friday: Snow showers likely.  Mostly cloudy, with a high near 31. Northwest wind 9 to 11 mph, with gusts as high as 31 mph.  Chance of precipitation is 70%. New snow accumulation of around an inch possible.

    High: 31 °F

    Snow Showers
    Likely

  • Friday Night

    Friday Night: A 20 percent chance of snow showers before midnight.  Mostly cloudy, with a low around 17. Northwest wind 9 to 14 mph, with gusts as high as 31 mph.

    Low: 17 °F

    Slight Chance
    Snow Showers
    then Partly
    Cloudy

  • Saturday

    Saturday: A chance of snow showers.  Mostly sunny, with a high near 37. Northwest wind 9 to 13 mph, with gusts as high as 29 mph.

    High: 37 °F

    Chance Snow
    Showers

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 25.

    Low: 25 °F

    Mostly Clear

Detailed Forecast

Tonight
Mostly clear, with a low around 37. Calm wind becoming southwest around 6 mph after midnight. Winds could gust as high as 15 mph.
Wednesday
Sunny, with a high near 62. Southwest wind around 6 mph, with gusts as high as 17 mph.
Wednesday Night
Mostly clear, with a low around 44. Southwest wind 6 to 13 mph, with gusts as high as 29 mph.
Thursday
Showers likely after noon. Increasing clouds, with a high near 59. Southwest wind 9 to 14 mph becoming northwest in the afternoon. Winds could gust as high as 30 mph. Chance of precipitation is 60%.
Thursday Night
Rain showers before 8pm, then rain and snow showers between 8pm and 9pm, then snow showers after 9pm. Low around 21. North wind around 10 mph, with gusts as high as 25 mph. Chance of precipitation is 90%. New snow accumulation of 1 to 3 inches possible.
Friday
Snow showers likely. Mostly cloudy, with a high near 31. Northwest wind 9 to 11 mph, with gusts as high as 31 mph. Chance of precipitation is 70%. New snow accumulation of around an inch possible.
Friday Night
A 20 percent chance of snow showers before midnight. Mostly cloudy, with a low around 17. Northwest wind 9 to 14 mph, with gusts as high as 31 mph.
Saturday
A chance of snow showers. Mostly sunny, with a high near 37. Northwest wind 9 to 13 mph, with gusts as high as 29 mph.
Saturday Night
Mostly clear, with a low around 25.
Sunday
Sunny, with a high near 57.
Sunday Night
Mostly clear, with a low around 35.
Monday
Sunny, with a high near 67.
Monday Night
Partly cloudy, with a low around 44.
Tuesday
A slight chance of showers. Mostly sunny, with a high near 69.
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ABOUT THIS FORECAST

 
Point Forecast:
9 Miles SW North Spearfish SD
 44.41°N 104.02°W (Elev. 5600 ft)
6:26 pm MDT Apr 14, 2026
9pm MDT Apr 14, 2026-6pm MDT Apr 21, 2026
 
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Additional Resources

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Hourly Weather Forecast

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