Early Spring Heat Wave in the Southwest U.S.; Critical Fire Weather in the Central Rockies and Plains

An unusual early Spring heat wave will continue much above-normal temperatures over the Southwest U.S. through early next week. Many locations are likely to set records for the highest-ever March temperature. Periods of critical fire weather will persist from the central Rockies to the central Plains through Saturday as gusty winds and low relative humidity continue. Read More >

Current conditions at

Spearfish / Clyde Ice (KSPF)

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

Fair and Breezy

79°F

26°C

Humidity 11%
Wind Speed NW 22 G 28 mph
Barometer 29.98 in
Dewpoint 19°F (-7°C)
Visibility 10.00 mi
Heat Index77°F (25°C)
Last update 19 Mar 4:35 pm MDT
Extended Forecast for

Lead SD

Red Flag Warning March 19, 04:49pm until March 19, 07:00pm
Click here for hazard details and duration
...
  •  
    Red Flag Warning March 19, 04:49pm until March 19, 07:00pm

    NOW until 7:00pm Thu

    Red Flag Warning

  • Tonight

    Low: 50 °F

    Partly Cloudy

  • Friday

    Friday: Sunny, with a high near 74. West wind 5 to 9 mph, with gusts as high as 23 mph.

    High: 74 °F

    Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 55. West wind 5 to 7 mph becoming light and variable. Winds could gust as high as 18 mph.

    Low: 55 °F

    Mostly Clear

  • Saturday

    Saturday: Mostly sunny, with a high near 80. Southwest wind 5 to 10 mph becoming northwest in the afternoon. Winds could gust as high as 25 mph.

    High: 80 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: A chance of rain showers after midnight, mixing with snow after 4am.  Mostly cloudy, with a low around 41. Northwest wind 9 to 11 mph, with gusts as high as 25 mph.  Chance of precipitation is 40%. Little or no snow accumulation expected.

    Low: 41 °F

    Mostly Cloudy
    then Chance
    Rain/Snow

  • Sunday

    Sunday: A slight chance of rain and snow showers before 7am, then a slight chance of snow showers between 7am and noon.  Mostly sunny, with a high near 51. Northwest wind 6 to 10 mph, with gusts as high as 21 mph.  Chance of precipitation is 20%.

    High: 51 °F

    Slight Chance
    Rain/Snow
    then Mostly
    Sunny

  • Sunday Night

    Sunday Night: A 20 percent chance of snow after midnight.  Partly cloudy, with a low around 34. Northwest wind around 6 mph becoming light and variable  in the evening. Winds could gust as high as 17 mph.

    Low: 34 °F

    Partly Cloudy
    then Slight
    Chance Snow

  • Monday

    Monday: Partly sunny, with a high near 59. Light and variable wind becoming northwest around 5 mph. Winds could gust as high as 17 mph.

    High: 59 °F

    Partly Sunny

Detailed Forecast

Tonight
Partly cloudy, with a low around 50. West wind around 6 mph, with gusts as high as 22 mph.
Friday
Sunny, with a high near 74. West wind 5 to 9 mph, with gusts as high as 23 mph.
Friday Night
Mostly clear, with a low around 55. West wind 5 to 7 mph becoming light and variable. Winds could gust as high as 18 mph.
Saturday
Mostly sunny, with a high near 80. Southwest wind 5 to 10 mph becoming northwest in the afternoon. Winds could gust as high as 25 mph.
Saturday Night
A chance of rain showers after midnight, mixing with snow after 4am. Mostly cloudy, with a low around 41. Northwest wind 9 to 11 mph, with gusts as high as 25 mph. Chance of precipitation is 40%. Little or no snow accumulation expected.
Sunday
A slight chance of rain and snow showers before 7am, then a slight chance of snow showers between 7am and noon. Mostly sunny, with a high near 51. Northwest wind 6 to 10 mph, with gusts as high as 21 mph. Chance of precipitation is 20%.
Sunday Night
A 20 percent chance of snow after midnight. Partly cloudy, with a low around 34. Northwest wind around 6 mph becoming light and variable in the evening. Winds could gust as high as 17 mph.
Monday
Partly sunny, with a high near 59. Light and variable wind becoming northwest around 5 mph. Winds could gust as high as 17 mph.
Monday Night
Mostly cloudy, with a low around 37.
Tuesday
Partly sunny, with a high near 60.
Tuesday Night
Mostly cloudy, with a low around 47.
Wednesday
Partly sunny, with a high near 70.
Wednesday Night
A chance of rain and snow. Mostly cloudy, with a low around 32.
Thursday
A chance of snow. Mostly sunny, with a high near 43.
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ABOUT THIS FORECAST

 
Point Forecast:
Lead SD
 44.35°N 103.77°W (Elev. 5322 ft)
2:49 pm MDT Mar 19, 2026
4pm MDT Mar 19, 2026-6pm MDT Mar 26, 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