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

64°F

18°C

Humidity 32%
Wind Speed NW 16 G 25 mph
Barometer 29.71 in
Dewpoint 34°F (1°C)
Visibility 10.00 mi
Last update 12 Apr 11:55 am MDT
Extended Forecast for

3 Miles S Whitewood SD

  • This Afternoon

    This Afternoon: Mostly sunny, with a high near 68. West wind 9 to 16 mph, with gusts as high as 28 mph.

    High: 68 °F

    Mostly Sunny

  • Tonight

    Tonight: A 20 percent chance of showers and thunderstorms before midnight.  Partly cloudy, with a low around 48. Northwest wind 6 to 10 mph becoming southeast in the evening. Winds could gust as high as 16 mph.

    Low: 48 °F

    Slight Chance
    T-storms then
    Partly Cloudy

  • Monday

    Monday: Mostly sunny, with a high near 66. Breezy, with a southwest wind 10 to 15 mph increasing to 17 to 22 mph in the afternoon. Winds could gust as high as 31 mph.

    High: 66 °F

    Sunny then
    Mostly Sunny
    and Breezy

  • Monday Night

    Monday Night: Partly cloudy, with a low around 42. Breezy, with a west wind 17 to 22 mph decreasing to 8 to 13 mph in the evening. Winds could gust as high as 30 mph.

    Low: 42 °F

    Partly Cloudy
    and Breezy
    then Mostly
    Clear

  • Tuesday

    Tuesday: A 20 percent chance of showers after noon.  Mostly sunny, with a high near 59. West wind 7 to 9 mph becoming north in the afternoon. Winds could gust as high as 17 mph.

    High: 59 °F

    Mostly Sunny
    then Slight
    Chance
    Showers

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 42. Northeast wind 5 to 9 mph becoming southwest after midnight.

    Low: 42 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Mostly sunny, with a high near 65. Southwest wind 7 to 9 mph becoming east in the afternoon. Winds could gust as high as 18 mph.

    High: 65 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 47. Southeast wind 10 to 17 mph becoming southwest after midnight. Winds could gust as high as 25 mph.

    Low: 47 °F

    Partly Cloudy

  • Thursday

    Thursday: A chance of showers after noon.  Partly sunny, with a high near 62. Breezy.

    High: 62 °F

    Mostly Sunny
    and Breezy
    then Chance
    Showers

Detailed Forecast

This Afternoon
Mostly sunny, with a high near 68. West wind 9 to 16 mph, with gusts as high as 28 mph.
Tonight
A 20 percent chance of showers and thunderstorms before midnight. Partly cloudy, with a low around 48. Northwest wind 6 to 10 mph becoming southeast in the evening. Winds could gust as high as 16 mph.
Monday
Mostly sunny, with a high near 66. Breezy, with a southwest wind 10 to 15 mph increasing to 17 to 22 mph in the afternoon. Winds could gust as high as 31 mph.
Monday Night
Partly cloudy, with a low around 42. Breezy, with a west wind 17 to 22 mph decreasing to 8 to 13 mph in the evening. Winds could gust as high as 30 mph.
Tuesday
A 20 percent chance of showers after noon. Mostly sunny, with a high near 59. West wind 7 to 9 mph becoming north in the afternoon. Winds could gust as high as 17 mph.
Tuesday Night
Partly cloudy, with a low around 42. Northeast wind 5 to 9 mph becoming southwest after midnight.
Wednesday
Mostly sunny, with a high near 65. Southwest wind 7 to 9 mph becoming east in the afternoon. Winds could gust as high as 18 mph.
Wednesday Night
Partly cloudy, with a low around 47. Southeast wind 10 to 17 mph becoming southwest after midnight. Winds could gust as high as 25 mph.
Thursday
A chance of showers after noon. Partly sunny, with a high near 62. Breezy.
Thursday Night
Rain showers before 9pm, then rain and snow showers between 9pm and 10pm, then snow showers after 10pm. Mostly cloudy, with a low around 27. Blustery.
Friday
Snow showers likely. Mostly cloudy, with a high near 35. Breezy.
Friday Night
A chance of snow showers. Mostly cloudy, with a low around 24. Blustery.
Saturday
A chance of snow showers. Mostly sunny, with a high near 44.
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ABOUT THIS FORECAST

 
Point Forecast:
3 Miles S Whitewood SD
 44.42°N 103.63°W (Elev. 4800 ft)
11:13 am MDT Apr 12, 2026
12pm MDT Apr 12, 2026-6pm MDT Apr 18, 2026
 
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Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database