Hawaii and Guam Concerns; Record Warmth Spreads Eastward; Heavy Snow for Sierra-Nevada; Severe Weather for the Plains

A very active spring pattern with tropical concerns across the Pacific. Heavy rainfall will continue to impact Hawaii this weekend. Meanwhile we continue to monitor a developing typhoon that may affect Guam into early next week. For the Lower 48, heavy snow for mountains of California this weekend, increase threat for severe thunderstorms next week for the Plains and record warmth spreads east. Read More >

Current conditions at

Spearfish / Clyde Ice (KSPF)

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

Fair

73°F

23°C

Humidity 36%
Wind Speed NE 12 mph
Barometer 29.69 in
Dewpoint 45°F (7°C)
Visibility 10.00 mi
Last update 11 Apr 12:35 pm MDT
Extended Forecast for

3 Miles WSW Lead SD

  • This Afternoon

    This Afternoon: Mostly sunny, with a high near 71. Calm wind becoming southwest 5 to 9 mph. Winds could gust as high as 23 mph.

    High: 71 °F

    Mostly Sunny

  • Tonight

    Tonight: Isolated showers and thunderstorms before midnight.  Mostly cloudy, then gradually becoming mostly clear, with a low around 43. Southwest wind 8 to 14 mph, with gusts as high as 32 mph.  Chance of precipitation is 20%.

    Low: 43 °F

    Isolated
    T-storms then
    Mostly Clear

  • Sunday

    Sunday: Sunny, with a high near 65. West wind 9 to 13 mph, with gusts as high as 28 mph.

    High: 65 °F

    Sunny

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 45. West wind 5 to 8 mph becoming southeast in the evening. Winds could gust as high as 22 mph.

    Low: 45 °F

    Partly Cloudy

  • Monday

    Monday: Mostly sunny, with a high near 63. Southwest wind 8 to 14 mph, with gusts as high as 29 mph.

    High: 63 °F

    Mostly Sunny

  • Monday Night

    Monday Night: A chance of rain showers before 3am, then a slight chance of snow showers.  Partly cloudy, with a low around 36. West wind 5 to 10 mph, with gusts as high as 24 mph.  Chance of precipitation is 30%.

    Low: 36 °F

    Chance
    Showers then
    Slight Chance
    Rain/Snow

  • Tuesday

    Tuesday: A chance of snow showers before 7am, then a chance of rain and snow showers between 7am and 9am, then a chance of rain showers after 9am.  Partly sunny, with a high near 54. Northwest wind around 7 mph, with gusts as high as 21 mph.  Chance of precipitation is 40%.

    High: 54 °F

    Chance
    Rain/Snow
    then Chance
    Showers

  • Tuesday Night

    Tuesday Night: A chance of showers before midnight.  Partly cloudy, with a low around 36. Northwest wind 5 to 7 mph becoming southwest after midnight. Winds could gust as high as 18 mph.

    Low: 36 °F

    Chance
    Showers then
    Partly Cloudy

  • Wednesday

    Wednesday: A chance of showers after noon.  Sunny, with a high near 60.

    High: 60 °F

    Sunny then
    Chance
    Showers

Detailed Forecast

This Afternoon
Mostly sunny, with a high near 71. Calm wind becoming southwest 5 to 9 mph. Winds could gust as high as 23 mph.
Tonight
Isolated showers and thunderstorms before midnight. Mostly cloudy, then gradually becoming mostly clear, with a low around 43. Southwest wind 8 to 14 mph, with gusts as high as 32 mph. Chance of precipitation is 20%.
Sunday
Sunny, with a high near 65. West wind 9 to 13 mph, with gusts as high as 28 mph.
Sunday Night
Partly cloudy, with a low around 45. West wind 5 to 8 mph becoming southeast in the evening. Winds could gust as high as 22 mph.
Monday
Mostly sunny, with a high near 63. Southwest wind 8 to 14 mph, with gusts as high as 29 mph.
Monday Night
A chance of rain showers before 3am, then a slight chance of snow showers. Partly cloudy, with a low around 36. West wind 5 to 10 mph, with gusts as high as 24 mph. Chance of precipitation is 30%.
Tuesday
A chance of snow showers before 7am, then a chance of rain and snow showers between 7am and 9am, then a chance of rain showers after 9am. Partly sunny, with a high near 54. Northwest wind around 7 mph, with gusts as high as 21 mph. Chance of precipitation is 40%.
Tuesday Night
A chance of showers before midnight. Partly cloudy, with a low around 36. Northwest wind 5 to 7 mph becoming southwest after midnight. Winds could gust as high as 18 mph.
Wednesday
A chance of showers after noon. Sunny, with a high near 60.
Wednesday Night
A slight chance of rain showers before 3am, then a slight chance of rain and snow showers. Partly cloudy, with a low around 38.
Thursday
Rain and snow showers likely. Mostly sunny, with a high near 57.
Thursday Night
Rain and snow showers likely. Mostly cloudy, with a low around 22.
Friday
Snow showers likely. Partly sunny, with a high near 34.
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ABOUT THIS FORECAST

 
Point Forecast:
3 Miles WSW Lead SD
 44.33°N 103.8°W (Elev. 5627 ft)
12:32 pm MDT Apr 11, 2026
12pm MDT Apr 11, 2026-6pm MDT Apr 17, 2026
 
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Additional Resources

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