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

Riverton Regional Airport (KRIW)

Lat: 43.06219°NLon: 108.44701°WElev: 5443.0ft.

Clear

47°F

8°C

Humidity 29%
Wind Speed WNW 9 MPH
Barometer 30.07 in (1018.29 mb)
Dewpoint 17°F (-8°C)
Visibility 10.00 mi
Wind Chill43°F (6°C)
Last update 21 Mar 02:53 AM MDT
Extended Forecast for

2 Miles NW Riverton Regional Airport WY

Red Flag Warning March 21, 03:14am until March 21, 09:00pm
Click here for hazard details and duration
Red Flag Warning
  •  
    Red Flag Warning March 21, 03:14am until March 21, 09:00pm

    NOW until 9:00pm Sat

    Red Flag Warning

  • Overnight

    Low: 43 °F

    Partly Cloudy

  • Saturday

    Saturday: Mostly sunny, with a high near 81. Windy, with a north wind 5 to 10 mph becoming west 18 to 28 mph in the afternoon. Winds could gust as high as 41 mph.

    High: 81 °F

    Mostly Sunny
    then Mostly
    Sunny and
    Windy

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 41. Windy, with a west wind 21 to 26 mph becoming north northeast 10 to 15 mph in the evening. Winds could gust as high as 40 mph.

    Low: 41 °F

    Partly Cloudy
    and Windy
    then Partly
    Cloudy

  • Sunday

    Sunday: Sunny, with a high near 65. East northeast wind 7 to 10 mph.

    High: 65 °F

    Sunny

  • Sunday Night

    Sunday Night: Mostly cloudy, with a low around 37. North wind 6 to 9 mph becoming west northwest after midnight.

    Low: 37 °F

    Mostly Cloudy

  • Monday

    Monday: Mostly sunny, with a high near 69. Light and variable wind becoming west 8 to 13 mph in the afternoon. Winds could gust as high as 22 mph.

    High: 69 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Mostly cloudy, with a low around 40. West wind 7 to 14 mph, with gusts as high as 22 mph.

    Low: 40 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: Partly sunny, with a high near 74. Breezy.

    High: 74 °F

    Partly Sunny
    then Partly
    Sunny and
    Breezy

Detailed Forecast

Overnight
Partly cloudy, with a low around 43. North wind around 6 mph.
Saturday
Mostly sunny, with a high near 81. Windy, with a north wind 5 to 10 mph becoming west 18 to 28 mph in the afternoon. Winds could gust as high as 41 mph.
Saturday Night
Partly cloudy, with a low around 41. Windy, with a west wind 21 to 26 mph becoming north northeast 10 to 15 mph in the evening. Winds could gust as high as 40 mph.
Sunday
Sunny, with a high near 65. East northeast wind 7 to 10 mph.
Sunday Night
Mostly cloudy, with a low around 37. North wind 6 to 9 mph becoming west northwest after midnight.
Monday
Mostly sunny, with a high near 69. Light and variable wind becoming west 8 to 13 mph in the afternoon. Winds could gust as high as 22 mph.
Monday Night
Mostly cloudy, with a low around 40. West wind 7 to 14 mph, with gusts as high as 22 mph.
Tuesday
Partly sunny, with a high near 74. Breezy.
Tuesday Night
Mostly cloudy, with a low around 44. Breezy.
Wednesday
Mostly sunny, with a high near 76. Breezy.
Wednesday Night
Partly cloudy, with a low around 38. Breezy.
Thursday
Mostly sunny, with a high near 63. Breezy.
Thursday Night
Partly cloudy, with a low around 32. Breezy.
Friday
Mostly sunny, with a high near 63.
Basemap Options
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ABOUT THIS FORECAST

 
Point Forecast:
2 Miles NW Riverton Regional Airport WY
 43.06°N 108.48°W (Elev. 5407 ft)
2:47 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