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 54%
Wind Speed W 10 mph
Barometer 29.63 in
Dewpoint 37°F (3°C)
Visibility 10.00 mi
Wind Chill51°F (11°C)
Last update 12 Apr 5:35 am MDT
Extended Forecast for

4 Miles WSW Lead SD

  • Today

    Today: A 20 percent chance of showers after noon.  Sunny, with a high near 61. West wind 7 to 16 mph, with gusts as high as 28 mph.

    High: 61 °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 22 mph.

    Low: 41 °F

    Slight Chance
    Showers

  • Monday

    Monday: A slight chance of rain showers before 8am, then a slight chance of rain and snow showers between 8am and 10am, then a chance of rain showers after 10am.  Sunny, with a high near 56. Southwest wind 13 to 16 mph, with gusts as high as 30 mph.  Chance of precipitation is 40%. Little or no snow accumulation expected.

    High: 56 °F

    Slight Chance
    Rain/Snow
    then Chance
    Showers

  • Monday Night

    Monday Night: A slight chance of rain showers, mixing with snow after 7pm, then gradually ending.  Partly cloudy, with a low around 34. West wind 6 to 13 mph, with gusts as high as 24 mph.  Chance of precipitation is 20%.

    Low: 34 °F

    Slight Chance
    Rain/Snow
    then Partly
    Cloudy

  • Tuesday

    Tuesday: A chance of rain and snow showers before noon, then a chance of rain showers.  Partly sunny, with a high near 52. West wind around 7 mph becoming northeast in the afternoon. Winds could gust as high as 18 mph.  Chance of precipitation is 30%.

    High: 52 °F

    Chance
    Rain/Snow
    then Chance
    Showers

  • Tuesday Night

    Tuesday Night: A chance of rain showers, mixing with snow after 11pm, then gradually ending.  Mostly cloudy, then gradually becoming mostly clear, with a low around 35. East wind 6 to 8 mph becoming southwest in the evening. Winds could gust as high as 16 mph.  Chance of precipitation is 30%.

    Low: 35 °F

    Chance
    Rain/Snow
    then Mostly
    Clear

  • Wednesday

    Wednesday: A slight chance of rain and snow showers before 9am, then a chance of rain showers.  Sunny, with a high near 58. Southwest wind 7 to 9 mph, with gusts as high as 22 mph.  Chance of precipitation is 30%.

    High: 58 °F

    Slight Chance
    Rain/Snow
    then Chance
    Showers

  • Wednesday Night

    Wednesday Night: A slight chance of showers before midnight.  Partly cloudy, with a low around 40. Southwest wind 9 to 13 mph, with gusts as high as 25 mph.

    Low: 40 °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 61. West wind 7 to 16 mph, with gusts as high as 28 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 22 mph.
Monday
A slight chance of rain showers before 8am, then a slight chance of rain and snow showers between 8am and 10am, then a chance of rain showers after 10am. Sunny, with a high near 56. Southwest wind 13 to 16 mph, with gusts as high as 30 mph. Chance of precipitation is 40%. Little or no snow accumulation expected.
Monday Night
A slight chance of rain showers, mixing with snow after 7pm, then gradually ending. Partly cloudy, with a low around 34. West wind 6 to 13 mph, with gusts as high as 24 mph. Chance of precipitation is 20%.
Tuesday
A chance of rain and snow showers before noon, then a chance of rain showers. Partly sunny, with a high near 52. 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 chance of rain showers, mixing with snow after 11pm, then gradually ending. Mostly cloudy, then gradually becoming mostly clear, with a low around 35. East wind 6 to 8 mph becoming southwest in the evening. Winds could gust as high as 16 mph. Chance of precipitation is 30%.
Wednesday
A slight chance of rain and snow showers before 9am, then a chance of rain showers. Sunny, with a high near 58. Southwest wind 7 to 9 mph, with gusts as high as 22 mph. Chance of precipitation is 30%.
Wednesday Night
A slight chance of showers before midnight. Partly cloudy, with a low around 40. Southwest wind 9 to 13 mph, with gusts as high as 25 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 21.
Friday
Snow showers likely. Mostly cloudy, with a high near 31.
Friday Night
A chance of snow showers. Mostly cloudy, with a low around 18.
Saturday
A chance of snow showers. Partly sunny, with a high near 38.
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ABOUT THIS FORECAST

 
Point Forecast:
4 Miles WSW Lead SD
 44.33°N 103.83°W (Elev. 6398 ft)
3:42 am MDT Apr 12, 2026
5am MDT Apr 12, 2026-6pm MDT Apr 18, 2026
 
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