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 31%
Wind Speed W 9 mph
Barometer 29.89 in
Dewpoint 27°F (-3°C)
Visibility 10.00 mi
Last update 21 Mar 3:15 am MDT
Extended Forecast for

4 Miles NNW Central City SD

Red Flag Warning March 21, 03:24am until March 21, 09:00pm
Click here for hazard details and duration
Red Flag Warning
  •  
    Red Flag Warning March 21, 03:24am until March 21, 09:00pm

    NOW until 9:00pm Sat

    Red Flag Warning

  • Overnight

    Low: 54 °F

    Mostly Clear

  • Saturday

    Saturday: Sunny, with a high near 84. Southwest wind 6 to 11 mph becoming east in the afternoon. Winds could gust as high as 21 mph.

    High: 84 °F

    Sunny

  • Saturday Night

    Saturday Night: A 50 percent chance of rain, mainly after midnight.  Increasing clouds, with a low around 42. Southeast wind 8 to 13 mph becoming light and variable  after midnight. Winds could gust as high as 24 mph.

    Low: 42 °F

    Slight Chance
    Rain then
    Chance Rain

  • Sunday

    Sunday: A 40 percent chance of rain, mainly before noon.  Mostly cloudy, then gradually becoming sunny, with a high near 55. Northwest wind 3 to 8 mph. Winds could gust as high as 21 mph.

    High: 55 °F

    Chance Rain

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 37. Northwest wind 5 to 7 mph becoming light and variable. Winds could gust as high as 18 mph.

    Low: 37 °F

    Partly Cloudy

  • Monday

    Monday: Mostly sunny, with a high near 61. South wind around 5 mph becoming calm. Winds could gust as high as 15 mph.

    High: 61 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Mostly cloudy, with a low around 41. Northeast wind around 5 mph becoming calm  in the evening.

    Low: 41 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: Partly sunny, with a high near 62. Light and variable wind becoming northeast 5 to 8 mph in the morning. Winds could gust as high as 22 mph.

    High: 62 °F

    Partly Sunny

Detailed Forecast

Overnight
Mostly clear, with a low around 54. Southwest wind around 7 mph, with gusts as high as 18 mph.
Saturday
Sunny, with a high near 84. Southwest wind 6 to 11 mph becoming east in the afternoon. Winds could gust as high as 21 mph.
Saturday Night
A 50 percent chance of rain, mainly after midnight. Increasing clouds, with a low around 42. Southeast wind 8 to 13 mph becoming light and variable after midnight. Winds could gust as high as 24 mph.
Sunday
A 40 percent chance of rain, mainly before noon. Mostly cloudy, then gradually becoming sunny, with a high near 55. Northwest wind 3 to 8 mph. Winds could gust as high as 21 mph.
Sunday Night
Partly cloudy, with a low around 37. Northwest wind 5 to 7 mph becoming light and variable. Winds could gust as high as 18 mph.
Monday
Mostly sunny, with a high near 61. South wind around 5 mph becoming calm. Winds could gust as high as 15 mph.
Monday Night
Mostly cloudy, with a low around 41. Northeast wind around 5 mph becoming calm in the evening.
Tuesday
Partly sunny, with a high near 62. Light and variable wind becoming northeast 5 to 8 mph in the morning. Winds could gust as high as 22 mph.
Tuesday Night
Mostly cloudy, with a low around 46.
Wednesday
Partly sunny, with a high near 71.
Wednesday Night
A slight chance of rain and snow. Mostly cloudy, with a low around 38.
Thursday
A slight chance of rain and snow. Partly sunny, with a high near 52.
Thursday Night
A slight chance of snow. Mostly cloudy, with a low around 30.
Friday
Partly sunny, with a high near 52.
Basemap Options
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ABOUT THIS FORECAST

 
Point Forecast:
4 Miles NNW Central City SD
 44.42°N 103.78°W (Elev. 4777 ft)
12:32 am MDT Mar 21, 2026
3am MDT Mar 21, 2026-6pm MDT Mar 27, 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