Hawaii and Guam Concerns; Severe Weather for the Plains; Heavy Snow for Sierra-Nevada

Heavy rainfall capable of causing flash flooding will continue to impact Hawaii through Monday. Severe thunderstorms and heavy rain are possible in parts of Texas and the southern Plains and the Upper Great Lakes. Heavy mountain snow continues in California's Sierra Nevada and rain with gusty winds to lower elevations. Super Typhoon Sinlaku will impact the Marianas through midweek. Read More >

Current conditions at

Spearfish / Clyde Ice (KSPF)

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

A Few Clouds

68°F

20°C

Humidity 28%
Wind Speed NW 16 G 22 mph
Barometer 29.68 in
Dewpoint 34°F (1°C)
Visibility 10.00 mi
Last update 12 Apr 1:55 pm MDT
Extended Forecast for

4 Miles WSW Lead SD

  • This Afternoon

    This Afternoon: Mostly sunny, with a steady temperature around 58. West wind 7 to 10 mph, with gusts as high as 23 mph.

    High: 58 °F

    Mostly Sunny

  • Tonight

    Tonight: A 30 percent chance of showers and thunderstorms before midnight.  Mostly cloudy, with a low around 40. West wind 5 to 10 mph becoming south in the evening. Winds could gust as high as 20 mph.

    Low: 40 °F

    Chance
    Showers then
    Partly Cloudy

  • Monday

    Monday: Mostly sunny, with a high near 57. Southwest wind 10 to 16 mph becoming northwest in the afternoon. Winds could gust as high as 30 mph.

    High: 57 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 33. West wind 7 to 16 mph, with gusts as high as 24 mph.

    Low: 33 °F

    Partly Cloudy

  • Tuesday

    Tuesday: A 20 percent chance of showers after noon.  Mostly sunny, with a high near 53. West wind around 7 mph becoming north in the afternoon. Winds could gust as high as 17 mph.

    High: 53 °F

    Mostly Sunny
    then Slight
    Chance
    Showers

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 35. North wind 5 to 8 mph becoming south after midnight. Winds could gust as high as 15 mph.

    Low: 35 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Mostly sunny, with a high near 59. West wind around 8 mph, with gusts as high as 20 mph.

    High: 59 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 40. Southwest wind 8 to 15 mph, with gusts as high as 26 mph.

    Low: 40 °F

    Partly Cloudy

  • Thursday

    Thursday: A chance of rain showers after noon, mixing with snow after 3pm.  Mostly sunny, with a high near 56.

    High: 56 °F

    Mostly Sunny
    then Chance
    Rain/Snow

Detailed Forecast

This Afternoon
Mostly sunny, with a steady temperature around 58. West wind 7 to 10 mph, with gusts as high as 23 mph.
Tonight
A 30 percent chance of showers and thunderstorms before midnight. Mostly cloudy, with a low around 40. West wind 5 to 10 mph becoming south in the evening. Winds could gust as high as 20 mph.
Monday
Mostly sunny, with a high near 57. Southwest wind 10 to 16 mph becoming northwest in the afternoon. Winds could gust as high as 30 mph.
Monday Night
Partly cloudy, with a low around 33. West wind 7 to 16 mph, with gusts as high as 24 mph.
Tuesday
A 20 percent chance of showers after noon. Mostly sunny, with a high near 53. West wind around 7 mph becoming north in the afternoon. Winds could gust as high as 17 mph.
Tuesday Night
Partly cloudy, with a low around 35. North wind 5 to 8 mph becoming south after midnight. Winds could gust as high as 15 mph.
Wednesday
Mostly sunny, with a high near 59. West wind around 8 mph, with gusts as high as 20 mph.
Wednesday Night
Partly cloudy, with a low around 40. Southwest wind 8 to 15 mph, with gusts as high as 26 mph.
Thursday
A chance of rain showers after noon, mixing with snow after 3pm. Mostly sunny, with a high near 56.
Thursday Night
Rain and snow showers, becoming all snow after 9pm. Mostly cloudy, with a low around 19.
Friday
Snow showers likely. Mostly cloudy, with a high near 29.
Friday Night
A chance of snow showers. Mostly cloudy, with a low around 16.
Saturday
A chance of snow showers. Mostly sunny, with a high near 37.
Basemap Options
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ABOUT THIS FORECAST

 
Point Forecast:
4 Miles WSW Lead SD
 44.33°N 103.83°W (Elev. 6398 ft)
12:32 pm MDT Apr 12, 2026
2pm 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