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.

Fair

66°F

19°C

Humidity 32%
Wind Speed NW 13 G 21 mph
Barometer 29.68 in
Dewpoint 36°F (2°C)
Visibility 10.00 mi
Last update 12 Apr 1:35 pm MDT
Extended Forecast for

4 Miles SSW Lead SD

  • This Afternoon

    This Afternoon: Mostly sunny, with a high near 63. West wind 6 to 8 mph, with gusts as high as 23 mph.

    High: 63 °F

    Mostly Sunny

  • Tonight

    Tonight: A 30 percent chance of showers and thunderstorms before midnight.  Mostly cloudy, with a low around 39. Calm wind becoming southwest around 5 mph after midnight. Winds could gust as high as 18 mph.

    Low: 39 °F

    Chance
    Showers then
    Partly Cloudy

  • Monday

    Monday: Mostly sunny, with a high near 60. Southwest wind 5 to 14 mph, with gusts as high as 29 mph.

    High: 60 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 32. West wind 5 to 10 mph becoming light  in the evening. Winds could gust as high as 24 mph.

    Low: 32 °F

    Partly Cloudy

  • Tuesday

    Tuesday: A 20 percent chance of showers after noon.  Mostly sunny, with a high near 56. Calm wind becoming northwest around 6 mph in the morning. Winds could gust as high as 16 mph.

    High: 56 °F

    Mostly Sunny
    then Slight
    Chance
    Showers

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 35. Light and variable wind.

    Low: 35 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Mostly sunny, with a high near 62. Southwest wind 3 to 7 mph. Winds could gust as high as 20 mph.

    High: 62 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 40. Southwest wind 6 to 10 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 59.

    High: 59 °F

    Mostly Sunny
    then Chance
    Rain/Snow

Detailed Forecast

This Afternoon
Mostly sunny, with a high near 63. West wind 6 to 8 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 39. Calm wind becoming southwest around 5 mph after midnight. Winds could gust as high as 18 mph.
Monday
Mostly sunny, with a high near 60. Southwest wind 5 to 14 mph, with gusts as high as 29 mph.
Monday Night
Partly cloudy, with a low around 32. West wind 5 to 10 mph becoming light in the evening. Winds could gust as high as 24 mph.
Tuesday
A 20 percent chance of showers after noon. Mostly sunny, with a high near 56. Calm wind becoming northwest around 6 mph in the morning. Winds could gust as high as 16 mph.
Tuesday Night
Partly cloudy, with a low around 35. Light and variable wind.
Wednesday
Mostly sunny, with a high near 62. Southwest wind 3 to 7 mph. Winds could gust as high as 20 mph.
Wednesday Night
Partly cloudy, with a low around 40. Southwest wind 6 to 10 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 59.
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 32.
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 40.
Basemap Options
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ABOUT THIS FORECAST

 
Point Forecast:
4 Miles SSW Lead SD
 44.29°N 103.8°W (Elev. 5761 ft)
12:32 pm MDT Apr 12, 2026
1pm 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