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 75%
Wind Speed S 10 mph
Barometer 29.77 in
Dewpoint 32°F (0°C)
Visibility 10.00 mi
Wind Chill32°F (0°C)
Last update 14 Apr 10:55 pm MDT
Extended Forecast for

4 Miles SW North Spearfish SD

  • Tonight

    Tonight: Mostly clear, with a temperature rising to around 44 by 5am. Southwest wind 5 to 9 mph.

    Low: 41 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny, with a high near 64. Southwest wind 6 to 10 mph, with gusts as high as 16 mph.

    High: 64 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 50. Breezy, with a southwest wind 8 to 13 mph increasing to 19 to 24 mph after midnight. Winds could gust as high as 33 mph.

    Low: 50 °F

    Mostly Clear
    then Mostly
    Clear and
    Breezy

  • Thursday

    Thursday: Showers likely after noon.  Increasing clouds, with a high near 59. Breezy, with a southwest wind 15 to 24 mph becoming northwest in the afternoon. Winds could gust as high as 33 mph.  Chance of precipitation is 60%.

    High: 59 °F

    Mostly Sunny
    and Breezy
    then Showers
    Likely

  • Thursday Night

    Thursday Night: Rain showers before 9pm, then snow showers.  Low around 26. Northwest wind 16 to 18 mph, with gusts as high as 25 mph.  Chance of precipitation is 90%. New snow accumulation of 1 to 2 inches possible.

    Low: 26 °F

    Rain/Snow
    then Snow
    Showers

  • Friday

    Friday: Snow showers likely, mainly before noon.  Mostly cloudy, with a high near 32. Breezy, with a northwest wind 17 to 21 mph, with gusts as high as 30 mph.  Chance of precipitation is 70%. New snow accumulation of less than one inch possible.

    High: 32 °F

    Snow Showers
    Likely and
    Breezy

  • Friday Night

    Friday Night: A 20 percent chance of snow showers before midnight.  Mostly cloudy, with a low around 22. Blustery, with a west wind 16 to 23 mph, with gusts as high as 30 mph.

    Low: 22 °F

    Slight Chance
    Snow Showers
    and Blustery

  • Saturday

    Saturday: A chance of snow showers, mainly after noon.  Mostly sunny, with a high near 39. Breezy, with a northwest wind 15 to 22 mph, with gusts as high as 30 mph.

    High: 39 °F

    Chance Snow
    Showers and
    Breezy

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 28.

    Low: 28 °F

    Mostly Clear

Detailed Forecast

Tonight
Mostly clear, with a temperature rising to around 44 by 5am. Southwest wind 5 to 9 mph.
Wednesday
Sunny, with a high near 64. Southwest wind 6 to 10 mph, with gusts as high as 16 mph.
Wednesday Night
Mostly clear, with a low around 50. Breezy, with a southwest wind 8 to 13 mph increasing to 19 to 24 mph after midnight. Winds could gust as high as 33 mph.
Thursday
Showers likely after noon. Increasing clouds, with a high near 59. Breezy, with a southwest wind 15 to 24 mph becoming northwest in the afternoon. Winds could gust as high as 33 mph. Chance of precipitation is 60%.
Thursday Night
Rain showers before 9pm, then snow showers. Low around 26. Northwest wind 16 to 18 mph, with gusts as high as 25 mph. Chance of precipitation is 90%. New snow accumulation of 1 to 2 inches possible.
Friday
Snow showers likely, mainly before noon. Mostly cloudy, with a high near 32. Breezy, with a northwest wind 17 to 21 mph, with gusts as high as 30 mph. Chance of precipitation is 70%. New snow accumulation of less than one inch possible.
Friday Night
A 20 percent chance of snow showers before midnight. Mostly cloudy, with a low around 22. Blustery, with a west wind 16 to 23 mph, with gusts as high as 30 mph.
Saturday
A chance of snow showers, mainly after noon. Mostly sunny, with a high near 39. Breezy, with a northwest wind 15 to 22 mph, with gusts as high as 30 mph.
Saturday Night
Mostly clear, with a low around 28.
Sunday
Sunny, with a high near 58.
Sunday Night
Mostly clear, with a low around 38.
Monday
Sunny, with a high near 68.
Monday Night
Partly cloudy, with a low around 49.
Tuesday
A slight chance of showers. Mostly sunny, with a high near 70.
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ABOUT THIS FORECAST

 
Point Forecast:
4 Miles SW North Spearfish SD
 44.47°N 103.97°W (Elev. 5299 ft)
9:37 pm MDT Apr 14, 2026
10pm MDT Apr 14, 2026-6pm MDT Apr 21, 2026
 
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Additional Resources

Radar & Satellite Image

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Hourly Weather Forecast

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