National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

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 >

Hazardous Weather Conditions

Current conditions at

Spearfish / Clyde Ice (KSPF)

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

Fair

79°F

26°C

Humidity 15%
Wind Speed W 17 mph
Barometer 30.00 in
Dewpoint 27°F (-3°C)
Visibility 10.00 mi
Heat Index78°F (26°C)
Last update 20 Mar 2:35 pm MDT
Extended Forecast for

3 Miles WSW Lead SD

Red Flag Warning March 20, 02:43pm until March 21, 09:00pm
Click here for hazard details and duration
Red Flag Warning
  •  
    Red Flag Warning March 20, 02:43pm until March 21, 09:00pm

    NOW until 9:00pm Sat

    Red Flag Warning

  • This Afternoon

    High: 68 °F

    Sunny

  • Tonight

    Tonight: Mostly clear, with a low around 52. Southwest wind 8 to 10 mph, with gusts as high as 20 mph.

    Low: 52 °F

    Mostly Clear

  • Saturday

    Saturday: Sunny, with a high near 74. Southwest wind 8 to 14 mph becoming north in the afternoon. Winds could gust as high as 24 mph.

    High: 74 °F

    Sunny

  • Saturday Night

    Saturday Night: A chance of rain showers before 1am, then a chance of rain and snow showers between 1am and 5am, then a chance of snow showers after 5am. Mostly cloudy, with a low around 35. North wind 7 to 16 mph, with gusts as high as 25 mph. Chance of precipitation is 50%. Little or no snow accumulation expected.

    Low: 35 °F

    Mostly Cloudy
    then Chance
    Rain/Snow

  • Sunday

    Sunday: A chance of rain and snow showers before noon, then a slight chance of snow showers between noon and 3pm, then a slight chance of rain and snow showers after 3pm. Partly sunny, with a high near 46. Northwest wind 6 to 8 mph, with gusts as high as 21 mph. Chance of precipitation is 50%. Little or no snow accumulation expected.

    High: 46 °F

    Chance
    Rain/Snow
    then Slight
    Chance
    Rain/Snow

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 33. North wind 6 to 8 mph becoming south in the evening. Winds could gust as high as 18 mph.

    Low: 33 °F

    Partly Cloudy

  • Monday

    Monday: Partly sunny, with a high near 55. Southwest wind 6 to 8 mph becoming northeast in the afternoon. Winds could gust as high as 16 mph.

    High: 55 °F

    Partly Sunny

  • Monday Night

    Monday Night: Mostly cloudy, with a low around 36. Northeast wind 6 to 8 mph becoming southwest after midnight. Winds could gust as high as 16 mph.

    Low: 36 °F

    Mostly Cloudy

Detailed Forecast

This Afternoon
Sunny, with a high near 68. West wind 8 to 11 mph, with gusts as high as 22 mph.
Tonight
Mostly clear, with a low around 52. Southwest wind 8 to 10 mph, with gusts as high as 20 mph.
Saturday
Sunny, with a high near 74. Southwest wind 8 to 14 mph becoming north in the afternoon. Winds could gust as high as 24 mph.
Saturday Night
A chance of rain showers before 1am, then a chance of rain and snow showers between 1am and 5am, then a chance of snow showers after 5am. Mostly cloudy, with a low around 35. North wind 7 to 16 mph, with gusts as high as 25 mph. Chance of precipitation is 50%. Little or no snow accumulation expected.
Sunday
A chance of rain and snow showers before noon, then a slight chance of snow showers between noon and 3pm, then a slight chance of rain and snow showers after 3pm. Partly sunny, with a high near 46. Northwest wind 6 to 8 mph, with gusts as high as 21 mph. Chance of precipitation is 50%. Little or no snow accumulation expected.
Sunday Night
Partly cloudy, with a low around 33. North wind 6 to 8 mph becoming south in the evening. Winds could gust as high as 18 mph.
Monday
Partly sunny, with a high near 55. Southwest wind 6 to 8 mph becoming northeast in the afternoon. Winds could gust as high as 16 mph.
Monday Night
Mostly cloudy, with a low around 36. Northeast wind 6 to 8 mph becoming southwest after midnight. Winds could gust as high as 16 mph.
Tuesday
Partly sunny, with a high near 56.
Tuesday Night
Mostly cloudy, with a low around 43.
Wednesday
Mostly sunny, with a high near 68.
Wednesday Night
A slight chance of rain and snow. Mostly cloudy, with a low around 31.
Thursday
A slight chance of snow. Mostly sunny, with a high near 42.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
3 Miles WSW Lead SD
 44.35°N 103.83°W (Elev. 6112 ft)
Last Update:
1:22 pm MDT Mar 20, 2026
Forecast Valid:
2pm MDT Mar 20, 2026-6pm MDT Mar 26, 2026
 
Forecast Discussion
 
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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

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation