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

41°F

5°C

Humidity 81%
Wind Speed W 6 mph
Barometer 29.79 in
Dewpoint 36°F (2°C)
Visibility 10.00 mi
Wind Chill37°F (3°C)
Last update 11 Apr 6:15 am MDT
Extended Forecast for

3 Miles WSW Lead SD

  • Today

    Today: Mostly cloudy, then gradually becoming sunny, with a high near 68. Southwest wind around 10 mph, with gusts as high as 25 mph.

    High: 68 °F

    Decreasing
    Clouds

  • Tonight

    Tonight: A 50 percent chance of showers and thunderstorms before midnight.  Partly cloudy, with a low around 42. West wind 10 to 17 mph, with gusts as high as 31 mph.

    Low: 42 °F

    Chance
    T-storms then
    Mostly Clear

  • Sunday

    Sunday: A 20 percent chance of showers after noon.  Sunny, with a high near 61. West wind 8 to 14 mph, with gusts as high as 28 mph.

    High: 61 °F

    Sunny then
    Slight Chance
    Showers

  • Sunday Night

    Sunday Night: A 40 percent chance of showers before midnight.  Partly cloudy, with a low around 42. West wind 6 to 9 mph becoming southeast in the evening. Winds could gust as high as 21 mph.

    Low: 42 °F

    Chance
    Showers then
    Partly Cloudy

  • Monday

    Monday: A 50 percent chance of showers after noon.  Sunny, with a high near 60. West wind 10 to 14 mph, with gusts as high as 30 mph.

    High: 60 °F

    Sunny then
    Chance
    Showers

  • Monday Night

    Monday Night: A chance of rain showers before 5am, then a slight chance of rain and snow showers.  Partly cloudy, with a low around 36. West wind 7 to 13 mph, with gusts as high as 25 mph.  Chance of precipitation is 40%. Little or no snow accumulation expected.

    Low: 36 °F

    Chance
    Showers then
    Slight Chance
    Rain/Snow

  • Tuesday

    Tuesday: A chance of rain and snow showers before 10am, then rain showers. Some thunder is also possible.  High near 51. Northwest wind around 10 mph, with gusts as high as 23 mph.  Chance of precipitation is 80%.

    High: 51 °F

    Chance
    Rain/Snow
    then Showers

  • Tuesday Night

    Tuesday Night: A chance of showers before midnight.  Partly cloudy, with a low around 35. Northwest wind 7 to 9 mph becoming southwest after midnight. Winds could gust as high as 21 mph.

    Low: 35 °F

    Chance
    Showers then
    Mostly Clear

  • Wednesday

    Wednesday: A chance of showers after noon.  Sunny, with a high near 57.

    High: 57 °F

    Sunny then
    Chance
    Showers

Detailed Forecast

Today
Mostly cloudy, then gradually becoming sunny, with a high near 68. Southwest wind around 10 mph, with gusts as high as 25 mph.
Tonight
A 50 percent chance of showers and thunderstorms before midnight. Partly cloudy, with a low around 42. West wind 10 to 17 mph, with gusts as high as 31 mph.
Sunday
A 20 percent chance of showers after noon. Sunny, with a high near 61. West wind 8 to 14 mph, with gusts as high as 28 mph.
Sunday Night
A 40 percent chance of showers before midnight. Partly cloudy, with a low around 42. West wind 6 to 9 mph becoming southeast in the evening. Winds could gust as high as 21 mph.
Monday
A 50 percent chance of showers after noon. Sunny, with a high near 60. West wind 10 to 14 mph, with gusts as high as 30 mph.
Monday Night
A chance of rain showers before 5am, then a slight chance of rain and snow showers. Partly cloudy, with a low around 36. West wind 7 to 13 mph, with gusts as high as 25 mph. Chance of precipitation is 40%. Little or no snow accumulation expected.
Tuesday
A chance of rain and snow showers before 10am, then rain showers. Some thunder is also possible. High near 51. Northwest wind around 10 mph, with gusts as high as 23 mph. Chance of precipitation is 80%.
Tuesday Night
A chance of showers before midnight. Partly cloudy, with a low around 35. Northwest wind 7 to 9 mph becoming southwest after midnight. Winds could gust as high as 21 mph.
Wednesday
A chance of showers after noon. Sunny, with a high near 57.
Wednesday Night
A slight chance of rain showers before 3am, then a slight chance of snow showers. Partly cloudy, with a low around 37.
Thursday
A chance of rain and snow showers. Mostly sunny, with a high near 53.
Thursday Night
Rain and snow showers likely. Mostly cloudy, with a low around 21.
Friday
Snow showers likely. Partly sunny, with a high near 33.
Basemap Options
Click map to change the forecast location
Loading map...

ABOUT THIS FORECAST

 
Point Forecast:
3 Miles WSW Lead SD
 44.35°N 103.83°W (Elev. 6112 ft)
3:42 am MDT Apr 11, 2026
6am MDT Apr 11, 2026-6pm MDT Apr 17, 2026
 
Get as KML Get as XML

Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database