Inclement Weather in the Pacific Northwest; Severe Thunderstorms in the Southeast; Impending Winter Storm

An approaching storm will bring rain and high elevation snow to Pacific Northwest through the weekend. Isolated severe thunderstorms are possible across parts of the Southeast today into this evening as a low strengthens over the Southeast. This system will form into a winter storm on Sunday that will bring heavy snow, high winds, and coastal flooding to the Mid-Atlantic and Northeast into Monday. Read More >

Current conditions at

Riverton Regional Airport (KRIW)

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

Clear

12°F

-11°C

Humidity 85%
Wind Speed NW 4 MPH
Barometer 30.36 in (1028.11 mb)
Dewpoint 9°F (-13°C)
Visibility 10.00 mi
Wind Chill5°F (-15°C)
Last update 21 Feb 09:05 PM MST
Extended Forecast for

Riverton WY

  • Tonight

    Tonight: Increasing clouds, with a low around 8. Calm wind.

    Low: 8 °F

    Increasing
    Clouds

  • Sunday

    Sunday: Mostly cloudy through mid morning, then gradual clearing, with a high near 42. Light east northeast wind.

    High: 42 °F

    Becoming
    Sunny

  • Sunday Night

    Sunday Night: Increasing clouds, with a low around 15. Light and variable wind becoming south southeast around 5 mph.

    Low: 15 °F

    Increasing
    Clouds

  • Monday

    Monday: Partly sunny, with a high near 52. Calm wind becoming south 5 to 7 mph in the afternoon.

    High: 52 °F

    Partly Sunny

  • Monday Night

    Monday Night: Mostly cloudy, with a low around 23. South southwest wind 6 to 9 mph.

    Low: 23 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: Partly sunny, with a high near 57. South southwest wind 6 to 10 mph becoming west in the afternoon.

    High: 57 °F

    Partly Sunny

  • Tuesday Night

    Tuesday Night: A 20 percent chance of showers.  Mostly cloudy, with a low around 31. West southwest wind around 10 mph.

    Low: 31 °F

    Slight Chance
    Showers

  • Wednesday

    Wednesday: A chance of rain showers before 11am, then a chance of rain and snow showers.  Mostly sunny, with a high near 56. Breezy.  Chance of precipitation is 30%.

    High: 56 °F

    Chance
    Rain/Snow and
    Breezy

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 20. Blustery.

    Low: 20 °F

    Mostly Clear
    and Blustery
    then Mostly
    Clear

Detailed Forecast

Tonight
Increasing clouds, with a low around 8. Calm wind.
Sunday
Mostly cloudy through mid morning, then gradual clearing, with a high near 42. Light east northeast wind.
Sunday Night
Increasing clouds, with a low around 15. Light and variable wind becoming south southeast around 5 mph.
Monday
Partly sunny, with a high near 52. Calm wind becoming south 5 to 7 mph in the afternoon.
Monday Night
Mostly cloudy, with a low around 23. South southwest wind 6 to 9 mph.
Tuesday
Partly sunny, with a high near 57. South southwest wind 6 to 10 mph becoming west in the afternoon.
Tuesday Night
A 20 percent chance of showers. Mostly cloudy, with a low around 31. West southwest wind around 10 mph.
Wednesday
A chance of rain showers before 11am, then a chance of rain and snow showers. Mostly sunny, with a high near 56. Breezy. Chance of precipitation is 30%.
Wednesday Night
Mostly clear, with a low around 20. Blustery.
Thursday
Sunny, with a high near 57.
Thursday Night
Mostly clear, with a low around 25.
Friday
Sunny, with a high near 59. Breezy.
Friday Night
Mostly clear, with a low around 22. Breezy.
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)
9:01 pm MST Feb 21, 2026
9pm MST Feb 21, 2026-6pm MST Feb 28, 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