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

54°F

12°C

Humidity 51%
Wind Speed W 14 G 22 mph
Barometer 29.63 in
Dewpoint 36°F (2°C)
Visibility 10.00 mi
Wind Chill50°F (10°C)
Last update 12 Apr 5:55 am MDT
Extended Forecast for

3 Miles WSW Lead SD

  • Today

    Today: A 20 percent chance of showers after noon.  Sunny, with a high near 62. West wind 6 to 15 mph, with gusts as high as 30 mph.

    High: 62 °F

    Sunny then
    Slight Chance
    Showers

  • Tonight

    Tonight: A 20 percent chance of showers.  Partly cloudy, with a low around 41. Southwest wind 6 to 11 mph becoming southeast in the evening. Winds could gust as high as 23 mph.

    Low: 41 °F

    Slight Chance
    Showers

  • Monday

    Monday: A 40 percent chance of showers, mainly after noon.  Sunny, with a high near 57. Southwest wind 11 to 15 mph, with gusts as high as 30 mph.

    High: 57 °F

    Chance
    Showers

  • Monday Night

    Monday Night: A 20 percent chance of showers before midnight.  Partly cloudy, with a low around 34. West wind 6 to 11 mph, with gusts as high as 24 mph.

    Low: 34 °F

    Slight Chance
    Showers then
    Partly Cloudy

  • Tuesday

    Tuesday: A chance of rain and snow showers before 11am, then a chance of rain showers.  Partly sunny, with a high near 53. West wind around 7 mph becoming northeast in the afternoon. Winds could gust as high as 18 mph.  Chance of precipitation is 30%.

    High: 53 °F

    Chance
    Rain/Snow
    then Chance
    Showers

  • Tuesday Night

    Tuesday Night: A 30 percent chance of showers before midnight.  Mostly cloudy, then gradually becoming mostly clear, with a low around 36. East wind 6 to 8 mph becoming southwest after midnight. Winds could gust as high as 16 mph.

    Low: 36 °F

    Chance
    Showers then
    Mostly Clear

  • Wednesday

    Wednesday: A 30 percent chance of showers, mainly after noon.  Sunny, with a high near 58. West wind 7 to 9 mph, with gusts as high as 22 mph.

    High: 58 °F

    Chance
    Showers

  • Wednesday Night

    Wednesday Night: A slight chance of showers before midnight.  Partly cloudy, with a low around 41. Southwest wind 9 to 13 mph, with gusts as high as 26 mph.

    Low: 41 °F

    Slight Chance
    Showers then
    Mostly Clear

  • Thursday

    Thursday: A slight chance of rain showers before 9am, then rain and snow showers likely.  Mostly sunny, with a high near 54.

    High: 54 °F

    Rain/Snow
    Likely

Detailed Forecast

Today
A 20 percent chance of showers after noon. Sunny, with a high near 62. West wind 6 to 15 mph, with gusts as high as 30 mph.
Tonight
A 20 percent chance of showers. Partly cloudy, with a low around 41. Southwest wind 6 to 11 mph becoming southeast in the evening. Winds could gust as high as 23 mph.
Monday
A 40 percent chance of showers, mainly after noon. Sunny, with a high near 57. Southwest wind 11 to 15 mph, with gusts as high as 30 mph.
Monday Night
A 20 percent chance of showers before midnight. Partly cloudy, with a low around 34. West wind 6 to 11 mph, with gusts as high as 24 mph.
Tuesday
A chance of rain and snow showers before 11am, then a chance of rain showers. Partly sunny, with a high near 53. West wind around 7 mph becoming northeast in the afternoon. Winds could gust as high as 18 mph. Chance of precipitation is 30%.
Tuesday Night
A 30 percent chance of showers before midnight. Mostly cloudy, then gradually becoming mostly clear, with a low around 36. East wind 6 to 8 mph becoming southwest after midnight. Winds could gust as high as 16 mph.
Wednesday
A 30 percent chance of showers, mainly after noon. Sunny, with a high near 58. West wind 7 to 9 mph, with gusts as high as 22 mph.
Wednesday Night
A slight chance of showers before midnight. Partly cloudy, with a low around 41. Southwest wind 9 to 13 mph, with gusts as high as 26 mph.
Thursday
A slight chance of rain showers before 9am, then rain and snow showers likely. Mostly sunny, with a high near 54.
Thursday Night
Rain and snow showers, becoming all snow after 9pm. Mostly cloudy, with a low around 22.
Friday
Snow showers likely. Mostly cloudy, with a high near 31.
Friday Night
A chance of snow showers. Mostly cloudy, with a low around 19.
Saturday
A chance of snow showers. Partly sunny, with a high near 39.
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ABOUT THIS FORECAST

 
Point Forecast:
3 Miles WSW Lead SD
 44.35°N 103.83°W (Elev. 6112 ft)
3:42 am MDT Apr 12, 2026
6am MDT Apr 12, 2026-6pm MDT Apr 18, 2026
 
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Additional Resources

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Hourly Weather Forecast

National Digital Forecast Database