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

Casper, Natrona County International Airport (KCPR)

Lat: 42.8975°NLon: 106.47306°WElev: 5348.0ft.

Clear

58°F

14°C

Humidity 19%
Wind Speed WNW 10 MPH
Barometer 30.09 in (1018.96 mb)
Dewpoint 17°F (-8°C)
Visibility 10.00 mi
Last update 20 Mar 07:53 PM MDT
Extended Forecast for

Casper WY

Red Flag Warning March 20, 08:04pm until March 21, 09:00pm
Click here for hazard details and duration
Red Flag Warning
  •  
    Red Flag Warning March 20, 08:04pm until March 21, 09:00pm

    NOW until 9:00pm Sat

    Red Flag Warning

  • Tonight

    Low: 49 °F

    Mostly Clear

  • Saturday

    Saturday: Sunny, with a high near 82. Breezy, with a south wind 9 to 14 mph becoming west southwest 18 to 23 mph in the afternoon. Winds could gust as high as 32 mph.

    High: 82 °F

    Sunny and
    Breezy

  • Saturday Night

    Saturday Night: Mostly cloudy, with a low around 42. Breezy, with a west wind 17 to 22 mph becoming northeast 5 to 10 mph in the evening. Winds could gust as high as 31 mph.

    Low: 42 °F

    Mostly Cloudy
    and Breezy
    then Mostly
    Cloudy

  • Sunday

    Sunday: Mostly sunny, with a high near 65. Northeast wind 5 to 7 mph becoming west northwest in the afternoon.

    High: 65 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 38. East northeast wind 5 to 7 mph becoming light and variable  after midnight.

    Low: 38 °F

    Partly Cloudy

  • Monday

    Monday: Partly sunny, with a high near 70. Light southwest wind becoming west southwest 6 to 11 mph in the morning. Winds could gust as high as 21 mph.

    High: 70 °F

    Partly Sunny

  • Monday Night

    Monday Night: Mostly cloudy, with a low around 46. West wind 9 to 13 mph.

    Low: 46 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: Partly sunny, with a high near 78. Breezy.

    High: 78 °F

    Partly Sunny
    then Mostly
    Cloudy and
    Breezy

Detailed Forecast

Tonight
Mostly clear, with a low around 49. West wind 6 to 9 mph becoming east southeast after midnight.
Saturday
Sunny, with a high near 82. Breezy, with a south wind 9 to 14 mph becoming west southwest 18 to 23 mph in the afternoon. Winds could gust as high as 32 mph.
Saturday Night
Mostly cloudy, with a low around 42. Breezy, with a west wind 17 to 22 mph becoming northeast 5 to 10 mph in the evening. Winds could gust as high as 31 mph.
Sunday
Mostly sunny, with a high near 65. Northeast wind 5 to 7 mph becoming west northwest in the afternoon.
Sunday Night
Partly cloudy, with a low around 38. East northeast wind 5 to 7 mph becoming light and variable after midnight.
Monday
Partly sunny, with a high near 70. Light southwest wind becoming west southwest 6 to 11 mph in the morning. Winds could gust as high as 21 mph.
Monday Night
Mostly cloudy, with a low around 46. West wind 9 to 13 mph.
Tuesday
Partly sunny, with a high near 78. Breezy.
Tuesday Night
Mostly cloudy, with a low around 56. Breezy.
Wednesday
Mostly sunny, with a high near 85. Windy.
Wednesday Night
Partly cloudy, with a low around 40. Breezy.
Thursday
Partly sunny, with a high near 58. Breezy.
Thursday Night
Mostly cloudy, with a low around 29. Blustery.
Friday
Mostly sunny, with a high near 60.
Basemap Options
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ABOUT THIS FORECAST

 
Point Forecast:
Casper WY
 42.85°N 106.31°W (Elev. 5151 ft)
7:02 pm MDT Mar 20, 2026
8pm MDT Mar 20, 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