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 >

Hazardous Weather Conditions

Current conditions at

Spearfish / Clyde Ice (KSPF)

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

Fair

63°F

17°C

Humidity 30%
Wind Speed N 6 G 13 mph
Barometer 29.74 in
Dewpoint 30°F (-1°C)
Visibility 10.00 mi
Last update 15 Apr 12:35 pm MDT
Extended Forecast for

Black Hills Airport-Clyde Ice Field SD

  • This Afternoon

    This Afternoon: Sunny, with a high near 69. Northeast wind 5 to 10 mph becoming southwest.

    High: 69 °F

    Sunny

  • Tonight

    Tonight: Partly cloudy, with a low around 48. Southwest wind 6 to 15 mph, with gusts as high as 25 mph.

    Low: 48 °F

    Partly Cloudy

  • Thursday

    Thursday: A chance of showers between noon and 3pm, then a chance of showers and thunderstorms after 3pm.  Increasing clouds, with a high near 62. Southwest wind 15 to 18 mph becoming north in the afternoon. Winds could gust as high as 29 mph.  Chance of precipitation is 50%.

    High: 62 °F

    Mostly Sunny
    then Chance
    Showers

  • Thursday Night

    Thursday Night: Rain showers before 9pm, then snow showers.  Low around 27. Wind chill values as low as 17. Northwest wind around 15 mph, with gusts as high as 24 mph.  Chance of precipitation is 90%. New snow accumulation of 1 to 2 inches possible.

    Low: 27 °F

    Rain/Snow
    then Snow
    Showers

  • Friday

    Friday: A 50 percent chance of snow showers.  Mostly cloudy, with a high near 40. Breezy, with a northwest wind 14 to 21 mph, with gusts as high as 30 mph.  New snow accumulation of less than one inch possible.

    High: 40 °F

    Chance Snow
    Showers and
    Breezy

  • Friday Night

    Friday Night: A 20 percent chance of snow showers after midnight.  Partly cloudy, with a low around 24. West wind 9 to 18 mph, with gusts as high as 26 mph.

    Low: 24 °F

    Mostly Cloudy
    then Slight
    Chance Snow
    Showers

  • Saturday

    Saturday: A chance of snow showers before 4pm, then a chance of rain and snow showers.  Mostly sunny, with a high near 49. Breezy, with a northwest wind 10 to 20 mph, with gusts as high as 31 mph.  Chance of precipitation is 40%.

    High: 49 °F

    Chance Snow
    Showers then
    Chance
    Rain/Snow and
    Breezy

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 31. Northwest wind 6 to 15 mph becoming southwest after midnight. Winds could gust as high as 24 mph.

    Low: 31 °F

    Mostly Clear

  • Sunday

    Sunday: Sunny, with a high near 64.

    High: 64 °F

    Sunny

Detailed Forecast

This Afternoon
Sunny, with a high near 69. Northeast wind 5 to 10 mph becoming southwest.
Tonight
Partly cloudy, with a low around 48. Southwest wind 6 to 15 mph, with gusts as high as 25 mph.
Thursday
A chance of showers between noon and 3pm, then a chance of showers and thunderstorms after 3pm. Increasing clouds, with a high near 62. Southwest wind 15 to 18 mph becoming north in the afternoon. Winds could gust as high as 29 mph. Chance of precipitation is 50%.
Thursday Night
Rain showers before 9pm, then snow showers. Low around 27. Wind chill values as low as 17. Northwest wind around 15 mph, with gusts as high as 24 mph. Chance of precipitation is 90%. New snow accumulation of 1 to 2 inches possible.
Friday
A 50 percent chance of snow showers. Mostly cloudy, with a high near 40. Breezy, with a northwest wind 14 to 21 mph, with gusts as high as 30 mph. New snow accumulation of less than one inch possible.
Friday Night
A 20 percent chance of snow showers after midnight. Partly cloudy, with a low around 24. West wind 9 to 18 mph, with gusts as high as 26 mph.
Saturday
A chance of snow showers before 4pm, then a chance of rain and snow showers. Mostly sunny, with a high near 49. Breezy, with a northwest wind 10 to 20 mph, with gusts as high as 31 mph. Chance of precipitation is 40%.
Saturday Night
Mostly clear, with a low around 31. Northwest wind 6 to 15 mph becoming southwest after midnight. Winds could gust as high as 24 mph.
Sunday
Sunny, with a high near 64.
Sunday Night
Mostly clear, with a low around 40.
Monday
Sunny, with a high near 72.
Monday Night
Mostly clear, with a low around 45.
Tuesday
Sunny, with a high near 74.
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ABOUT THIS FORECAST

 
Point Forecast:
Black Hills Airport-Clyde Ice Field SD
 44.48°N 103.79°W (Elev. 3911 ft)
12:27 pm MDT Apr 15, 2026
12pm MDT Apr 15, 2026-6pm MDT Apr 21, 2026
 
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Additional Resources

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