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

37°F

3°C

Humidity 47%
Wind Speed WNW 8 MPH
Barometer 30.09 in (1018.96 mb)
Dewpoint 19°F (-7°C)
Visibility 10.00 mi
Wind Chill31°F (-1°C)
Last update 28 Mar 06:53 AM MDT
Extended Forecast for

Riverton WY

Red Flag Warning March 28, 12:00pm until March 30, 09:00pm
Click here for hazard details and duration
Red Flag Warning
  • Today

    Today: Cloudy, then gradually becoming mostly sunny, with a high near 78. Breezy, with a light and variable wind becoming west 10 to 15 mph in the afternoon. Winds could gust as high as 25 mph.

    High: 78 °F

    Mostly Cloudy
    then Mostly
    Sunny and
    Breezy

  • Tonight

    Tonight: Mostly cloudy, with a low around 38. Breezy, with a west wind 13 to 18 mph becoming west 5 to 10 mph after midnight. Winds could gust as high as 28 mph.

    Low: 38 °F

    Partly Cloudy
    and Breezy
    then Mostly
    Cloudy

  • Sunday

    Sunday: Mostly sunny, with a high near 77. Breezy, with a west southwest wind 6 to 11 mph increasing to 16 to 21 mph in the afternoon. Winds could gust as high as 32 mph.

    High: 77 °F

    Mostly Sunny
    then Mostly
    Sunny and
    Breezy

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 41. Breezy, with a south southwest wind 15 to 20 mph decreasing to 8 to 13 mph after midnight. Winds could gust as high as 30 mph.

    Low: 41 °F

    Mostly Cloudy
    and Breezy
    then Partly
    Cloudy

  • Monday

    Monday: Mostly sunny, with a high near 73. Windy, with a south southwest wind 9 to 14 mph becoming west 20 to 30 mph in the afternoon. Winds could gust as high as 47 mph.

    High: 73 °F

    Mostly Sunny
    and Windy

  • Monday Night

    Monday Night: A 20 percent chance of snow showers after midnight.  Mostly cloudy, with a low around 29. Windy, with a west wind 21 to 26 mph becoming northeast 13 to 18 mph after midnight. Winds could gust as high as 39 mph.

    Low: 29 °F

    Slight Chance
    Snow Showers
    and Windy

  • Tuesday

    Tuesday: A 30 percent chance of snow showers before noon.  Partly sunny, with a high near 54. Northeast wind 10 to 13 mph.

    High: 54 °F

    Chance Snow
    Showers then
    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 26.

    Low: 26 °F

    Partly Cloudy

  • Wednesday

    Wednesday: A 20 percent chance of showers after noon.  Mostly sunny, with a high near 67.

    High: 67 °F

    Mostly Sunny
    then Slight
    Chance
    Showers

Detailed Forecast

Today
Cloudy, then gradually becoming mostly sunny, with a high near 78. Breezy, with a light and variable wind becoming west 10 to 15 mph in the afternoon. Winds could gust as high as 25 mph.
Tonight
Mostly cloudy, with a low around 38. Breezy, with a west wind 13 to 18 mph becoming west 5 to 10 mph after midnight. Winds could gust as high as 28 mph.
Sunday
Mostly sunny, with a high near 77. Breezy, with a west southwest wind 6 to 11 mph increasing to 16 to 21 mph in the afternoon. Winds could gust as high as 32 mph.
Sunday Night
Partly cloudy, with a low around 41. Breezy, with a south southwest wind 15 to 20 mph decreasing to 8 to 13 mph after midnight. Winds could gust as high as 30 mph.
Monday
Mostly sunny, with a high near 73. Windy, with a south southwest wind 9 to 14 mph becoming west 20 to 30 mph in the afternoon. Winds could gust as high as 47 mph.
Monday Night
A 20 percent chance of snow showers after midnight. Mostly cloudy, with a low around 29. Windy, with a west wind 21 to 26 mph becoming northeast 13 to 18 mph after midnight. Winds could gust as high as 39 mph.
Tuesday
A 30 percent chance of snow showers before noon. Partly sunny, with a high near 54. Northeast wind 10 to 13 mph.
Tuesday Night
Partly cloudy, with a low around 26.
Wednesday
A 20 percent chance of showers after noon. Mostly sunny, with a high near 67.
Wednesday Night
A 20 percent chance of showers. Mostly cloudy, with a low around 38. Breezy.
Thursday
A chance of showers. Mostly sunny, with a high near 65. Windy.
Thursday Night
A chance of rain and snow showers. Mostly cloudy, with a low around 29. Breezy.
Friday
A chance of snow showers. Partly sunny, with a high near 51. Breezy.
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ABOUT THIS FORECAST

 
Point Forecast:
Riverton WY
 43.02°N 108.38°W (Elev. 4931 ft)
6:01 am MDT Mar 28, 2026
7am MDT Mar 28, 2026-6pm MDT Apr 3, 2026
 
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Additional Resources

Radar & Satellite Image

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Hourly Weather Forecast

National Digital Forecast Database