National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

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

19°F

-7°C

Humidity 67%
Wind Speed NNE 5 MPH
Barometer 30.31 in (1026.41 mb)
Dewpoint 10°F (-12°C)
Visibility 10.00 mi
Wind Chill12°F (-11°C)
Last update 21 Feb 05:53 PM MST
Extended Forecast for

2 Miles NW Riverton Regional Airport WY

  • Tonight

    Tonight: Mostly cloudy, with a low around 10. Northeast wind around 6 mph becoming calm in the evening.

    Low: 10 °F

    Mostly Cloudy

  • Sunday

    Sunday: Sunny, with a high near 41. Light and variable wind.

    High: 41 °F

    Sunny

  • Sunday Night

    Sunday Night: Increasing clouds, with a low around 18. Southwest wind around 6 mph becoming light and variable after midnight.

    Low: 18 °F

    Increasing
    Clouds

  • Monday

    Monday: Partly sunny, with a high near 50. South southwest wind 3 to 6 mph.

    High: 50 °F

    Partly Sunny

  • Monday Night

    Monday Night: Mostly cloudy, with a low around 24. Southwest wind 7 to 9 mph.

    Low: 24 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: Partly sunny, with a high near 56. West wind 6 to 14 mph, with gusts as high as 23 mph.

    High: 56 °F

    Partly Sunny

  • Tuesday Night

    Tuesday Night: A 30 percent chance of showers. Mostly cloudy, with a low around 32. Breezy, with a west southwest wind around 18 mph.

    Low: 32 °F

    Chance
    Showers and
    Breezy

  • Wednesday

    Wednesday: A 30 percent chance of showers, mainly before 11am. Mostly sunny, with a high near 54. Windy.

    High: 54 °F

    Chance
    Showers and
    Windy

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 23. Blustery.

    Low: 23 °F

    Mostly Clear
    and Blustery

Detailed Forecast

Tonight
Mostly cloudy, with a low around 10. Northeast wind around 6 mph becoming calm in the evening.
Sunday
Sunny, with a high near 41. Light and variable wind.
Sunday Night
Increasing clouds, with a low around 18. Southwest wind around 6 mph becoming light and variable after midnight.
Monday
Partly sunny, with a high near 50. South southwest wind 3 to 6 mph.
Monday Night
Mostly cloudy, with a low around 24. Southwest wind 7 to 9 mph.
Tuesday
Partly sunny, with a high near 56. West wind 6 to 14 mph, with gusts as high as 23 mph.
Tuesday Night
A 30 percent chance of showers. Mostly cloudy, with a low around 32. Breezy, with a west southwest wind around 18 mph.
Wednesday
A 30 percent chance of showers, mainly before 11am. Mostly sunny, with a high near 54. Windy.
Wednesday Night
Mostly clear, with a low around 23. Blustery.
Thursday
Sunny, with a high near 54. Breezy.
Thursday Night
Mostly clear, with a low around 26. Breezy.
Friday
Mostly sunny, with a high near 57. Windy.
Friday Night
Partly cloudy, with a low around 25. Blustery.
Saturday
Sunny, with a high near 53. Breezy.
Basemap Options
Click map to change the forecast location
Loading map...
Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
2 Miles NW Riverton Regional Airport WY
 43.06°N 108.48°W (Elev. 5407 ft)
Last Update:
5:01 pm MST Feb 21, 2026
Forecast Valid:
6pm MST Feb 21, 2026-6pm MST Feb 28, 2026
 
Forecast Discussion
 
Get as KML Get as XML

Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation