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

Showers and Thunderstorms in the Southwest and Ohio Valley; Mountain Snow in the Northeast

Showers and thunderstorms, along with high-elevation snow, will begin to develop over parts of the Southwest late tonight and is expected to continue through Wednesday morning. Mountain snow over parts the Northeast will continue through Tuesday. A few strong to severe storms and heavy rainfall are possible across portions of the Lower Ohio Valley Tuesday. Read More >

Hazardous Weather Conditions

Current conditions at

Riverton Regional Airport (KRIW)

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

Mostly Cloudy

39°F

4°C

Humidity 93%
Wind Speed SW 4 MPH
Barometer 29.96 in (1014.56 mb)
Dewpoint 37°F (3°C)
Visibility 10.00 mi
Wind Chill36°F (2°C)
Last update 18 Nov 04:05 AM MST
Extended Forecast for

Riverton WY

  • Today

    Today: Partly sunny, with a high near 52. South southwest wind around 6 mph becoming calm in the morning.

    High: 52 °F

    Partly Sunny

  • Tonight

    Tonight: Partly cloudy, with a low around 28. Southwest wind 5 to 7 mph.

    Low: 28 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Mostly sunny, with a high near 51. Calm wind becoming north northeast around 5 mph in the afternoon.

    High: 51 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 25. West wind 3 to 5 mph.

    Low: 25 °F

    Partly Cloudy

  • Thursday

    Thursday: Mostly sunny, with a high near 48. Light and variable wind.

    High: 48 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 24. Light west southwest wind.

    Low: 24 °F

    Partly Cloudy

  • Friday

    Friday: Mostly sunny, with a high near 50. Light and variable wind.

    High: 50 °F

    Mostly Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 23.

    Low: 23 °F

    Mostly Clear

  • Saturday

    Saturday: Sunny, with a high near 50.

    High: 50 °F

    Sunny

Detailed Forecast

Today
Partly sunny, with a high near 52. South southwest wind around 6 mph becoming calm in the morning.
Tonight
Partly cloudy, with a low around 28. Southwest wind 5 to 7 mph.
Wednesday
Mostly sunny, with a high near 51. Calm wind becoming north northeast around 5 mph in the afternoon.
Wednesday Night
Partly cloudy, with a low around 25. West wind 3 to 5 mph.
Thursday
Mostly sunny, with a high near 48. Light and variable wind.
Thursday Night
Partly cloudy, with a low around 24. Light west southwest wind.
Friday
Mostly sunny, with a high near 50. Light and variable wind.
Friday Night
Mostly clear, with a low around 23.
Saturday
Sunny, with a high near 50.
Saturday Night
Mostly clear, with a low around 24.
Sunday
Sunny, with a high near 52.
Sunday Night
Partly cloudy, with a low around 23.
Monday
Mostly sunny, with a high near 51.
Basemap Options
Click map to change the forecast location
Loading map...
Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Riverton WY
 43.02°N 108.38°W (Elev. 4931 ft)
Last Update:
3:31 am MST Nov 18, 2025
Forecast Valid:
4am MST Nov 18, 2025-6pm MST Nov 24, 2025
 
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