Critical Fire Weather in the Plains; Unseasonably Warm in the Southwest and Southern U.S.

Unseasonably warm temperatures continue through the weekend across the Southwest and southern U.S., with more than 100 record or near record maximum temperatures forecast through the rest of the week and over the weekend. Elevated to critical fire weather conditions will persist across the Plains and Southeast U.S. this weekend. Read More >

Current conditions at

Riverton Regional Airport (KRIW)

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

Clear

45°F

7°C

Humidity 17%
Wind Speed NW 10 MPH
Barometer 29.96 in (1014.56 mb)
Dewpoint 4°F (-16°C)
Visibility 10.00 mi
Wind Chill40°F (4°C)
Last update 29 Mar 04:53 AM MDT
Extended Forecast for

Riverton WY

Red Flag Warning March 29, 05:08am until March 30, 09:00pm
Click here for hazard details and duration
Red Flag Warning
  •  
    Red Flag Warning March 29, 05:08am until March 30, 09:00pm

    NOW until 9:00pm Mon

    Red Flag Warning

  • Today

    High: 76 °F

    Sunny then
    Mostly Sunny
    and Breezy

  • Tonight

    Tonight: Mostly cloudy, with a low around 39. Breezy, with a west wind 12 to 17 mph becoming light west southwest  after midnight. Winds could gust as high as 29 mph.

    Low: 39 °F

    Partly Cloudy
    and Breezy
    then Mostly
    Cloudy

  • Monday

    Monday: Mostly sunny, with a high near 74. Windy, with a light west southwest wind becoming west 23 to 28 mph in the morning. Winds could gust as high as 43 mph.

    High: 74 °F

    Mostly Sunny
    and Windy

  • Monday Night

    Monday Night: A 30 percent chance of snow showers after midnight.  Mostly cloudy, with a low around 31. Windy, with a west wind 20 to 25 mph becoming northeast 14 to 19 mph after midnight. Winds could gust as high as 38 mph.  Little or no snow accumulation expected.

    Low: 31 °F

    Chance Snow
    Showers and
    Windy

  • Tuesday

    Tuesday: A chance of snow showers before 3pm, then a slight chance of rain and snow showers.  Mostly cloudy, with a high near 53. East northeast wind 9 to 14 mph.  Chance of precipitation is 30%. New snow accumulation of less than a half inch possible.

    High: 53 °F

    Chance Snow
    Showers then
    Slight Chance
    Rain/Snow

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 29. East northeast wind 5 to 11 mph becoming west after midnight.

    Low: 29 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: A 20 percent chance of showers after noon.  Partly sunny, with a high near 64. Light and variable wind becoming southwest 5 to 10 mph in the afternoon.

    High: 64 °F

    Partly Sunny
    then Slight
    Chance
    Showers

  • Wednesday Night

    Wednesday Night: A 30 percent chance of showers, mainly before midnight.  Mostly cloudy, with a low around 37.

    Low: 37 °F

    Chance
    Showers

Detailed Forecast

Today
Sunny, with a high near 76. Breezy, with a light south southwest wind becoming west 18 to 23 mph in the morning. Winds could gust as high as 33 mph.
Tonight
Mostly cloudy, with a low around 39. Breezy, with a west wind 12 to 17 mph becoming light west southwest after midnight. Winds could gust as high as 29 mph.
Monday
Mostly sunny, with a high near 74. Windy, with a light west southwest wind becoming west 23 to 28 mph in the morning. Winds could gust as high as 43 mph.
Monday Night
A 30 percent chance of snow showers after midnight. Mostly cloudy, with a low around 31. Windy, with a west wind 20 to 25 mph becoming northeast 14 to 19 mph after midnight. Winds could gust as high as 38 mph. Little or no snow accumulation expected.
Tuesday
A chance of snow showers before 3pm, then a slight chance of rain and snow showers. Mostly cloudy, with a high near 53. East northeast wind 9 to 14 mph. Chance of precipitation is 30%. New snow accumulation of less than a half inch possible.
Tuesday Night
Mostly cloudy, with a low around 29. East northeast wind 5 to 11 mph becoming west after midnight.
Wednesday
A 20 percent chance of showers after noon. Partly sunny, with a high near 64. Light and variable wind becoming southwest 5 to 10 mph in the afternoon.
Wednesday Night
A 30 percent chance of showers, mainly before midnight. Mostly cloudy, with a low around 37.
Thursday
A 50 percent chance of showers. Mostly sunny, with a high near 64. Windy.
Thursday Night
A chance of rain and snow showers before midnight, then a chance of snow showers. Mostly cloudy, with a low around 28. Breezy. Chance of precipitation is 40%.
Friday
A chance of snow showers. Partly sunny, with a high near 48. Breezy.
Friday Night
A slight chance of snow showers. Mostly cloudy, with a low around 23. Blustery.
Saturday
Mostly sunny, with a high near 53.
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ABOUT THIS FORECAST

 
Point Forecast:
Riverton WY
 43.02°N 108.38°W (Elev. 4931 ft)
2:47 am MDT Mar 29, 2026
5am MDT Mar 29, 2026-6pm MDT Apr 4, 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