Heat the Southwest; Fire Weather in the Central U.S.; Kona Low Impacting Hawaii

A rare March heat wave is ongoing with much above-normal temperatures over the Southwest U.S. through this weekend. Periods of critical fire weather will persist from the central Rockies to the central and southern Plains through the weekend as gusty winds and low relative humidity continue. A Kona low will continue to bring several rounds of moderate to heavy rainfall to Hawaii through Sunday. Read More >

Current conditions at

Spearfish / Clyde Ice (KSPF)

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

Fair

57°F

14°C

Humidity 29%
Wind Speed W 8 mph
Barometer 29.88 in
Dewpoint 25°F (-4°C)
Visibility 10.00 mi
Last update 21 Mar 6:55 am MDT
Extended Forecast for

2 Miles SW Lead SD

Red Flag Warning March 21, 07:11am until March 21, 09:00pm
Click here for hazard details and duration
Red Flag Warning
  •  
    Red Flag Warning March 21, 07:11am until March 21, 09:00pm

    NOW until 9:00pm Sat

    Red Flag Warning

  • Today

    High: 77 °F

    Sunny

  • Tonight

    Tonight: A chance of rain before 2am, then a chance of rain and snow.  Increasing clouds, with a low around 36. East wind 5 to 13 mph becoming northwest after midnight. Winds could gust as high as 26 mph.  Chance of precipitation is 50%. Little or no snow accumulation expected.

    Low: 36 °F

    Slight Chance
    Rain then
    Chance
    Rain/Snow

  • Sunday

    Sunday: A chance of snow before 11am, then a chance of rain.  Mostly cloudy, then gradually becoming sunny, with a high near 51. Northwest wind 5 to 7 mph, with gusts as high as 23 mph.  Chance of precipitation is 50%. Little or no snow accumulation expected.

    High: 51 °F

    Chance
    Rain/Snow
    then Slight
    Chance Rain

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 33. Northwest wind around 6 mph becoming southeast in the evening. Winds could gust as high as 20 mph.

    Low: 33 °F

    Partly Cloudy

  • Monday

    Monday: Mostly sunny, with a high near 58. South wind around 6 mph becoming north in the afternoon. Winds could gust as high as 16 mph.

    High: 58 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Mostly cloudy, with a low around 37. Northeast wind around 5 mph becoming light and variable. Winds could gust as high as 15 mph.

    Low: 37 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: Partly sunny, with a high near 58. South wind 5 to 7 mph becoming north in the afternoon. Winds could gust as high as 22 mph.

    High: 58 °F

    Partly Sunny

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 43. East wind around 7 mph becoming west after midnight. Winds could gust as high as 21 mph.

    Low: 43 °F

    Mostly Cloudy

Detailed Forecast

Today
Sunny, with a high near 77. West wind 6 to 10 mph becoming southeast in the afternoon. Winds could gust as high as 24 mph.
Tonight
A chance of rain before 2am, then a chance of rain and snow. Increasing clouds, with a low around 36. East wind 5 to 13 mph becoming northwest after midnight. Winds could gust as high as 26 mph. Chance of precipitation is 50%. Little or no snow accumulation expected.
Sunday
A chance of snow before 11am, then a chance of rain. Mostly cloudy, then gradually becoming sunny, with a high near 51. Northwest wind 5 to 7 mph, with gusts as high as 23 mph. Chance of precipitation is 50%. Little or no snow accumulation expected.
Sunday Night
Partly cloudy, with a low around 33. Northwest wind around 6 mph becoming southeast in the evening. Winds could gust as high as 20 mph.
Monday
Mostly sunny, with a high near 58. South wind around 6 mph becoming north in the afternoon. Winds could gust as high as 16 mph.
Monday Night
Mostly cloudy, with a low around 37. Northeast wind around 5 mph becoming light and variable. Winds could gust as high as 15 mph.
Tuesday
Partly sunny, with a high near 58. South wind 5 to 7 mph becoming north in the afternoon. Winds could gust as high as 22 mph.
Tuesday Night
Mostly cloudy, with a low around 43. East wind around 7 mph becoming west after midnight. Winds could gust as high as 21 mph.
Wednesday
Mostly sunny, with a high near 66.
Wednesday Night
A slight chance of rain before midnight, then a slight chance of rain and snow. Mostly cloudy, with a low around 33.
Thursday
A chance of snow. Partly sunny, with a high near 49.
Thursday Night
A slight chance of snow. Mostly cloudy, with a low around 26.
Friday
Partly sunny, with a high near 48.
Basemap Options
Click map to change the forecast location
Loading map...

ABOUT THIS FORECAST

 
Point Forecast:
2 Miles SW Lead SD
 44.33°N 103.8°W (Elev. 5627 ft)
6:52 am MDT Mar 21, 2026
7am MDT Mar 21, 2026-6pm MDT Mar 27, 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