Winter Weather Across Portions of the Mid-Atlantic; Heavy Rain Along the Gulf Coast and Southeast

A storm system will continue to slowly move through the Gulf Coast and Southeast U.S. over the next couple of days, bringing a heavy rainfall threat through the weekend. Isolated instances of flooding may occur. On the north side of this storm system, colder air will support areas of mixed wintry precipitation and light snow from the Tennessee Valley to the Mid-Atlantic Friday. Read More >

Hazardous Weather Conditions

Current conditions at

Riverton Regional Airport (KRIW)

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

Clear

31°F

-1°C

Humidity 53%
Wind Speed W 13 MPH
Barometer 29.88 in (1011.85 mb)
Dewpoint 16°F (-9°C)
Visibility 10.00 mi
Wind Chill21°F (-6°C)
Last update 04 Dec 10:53 PM MST
Extended Forecast for

Riverton WY

  • Tonight

    Tonight: Mostly cloudy, with a low around 20. Southwest wind 6 to 8 mph.

    Low: 20 °F

    Mostly Cloudy

  • Friday

    Friday: Mostly sunny, with a high near 39. Calm wind becoming south southeast around 6 mph in the afternoon.

    High: 39 °F

    Mostly Sunny

  • Friday Night

    Friday Night: A 20 percent chance of snow showers after 11pm.  Mostly cloudy, with a low around 22. Southeast wind 6 to 8 mph becoming west after midnight.

    Low: 22 °F

    Slight Chance
    Snow Showers

  • Saturday

    Saturday: Mostly sunny, with a high near 44. West northwest wind 7 to 10 mph.

    High: 44 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 17. West southwest wind 6 to 8 mph.

    Low: 17 °F

    Partly Cloudy

  • Sunday

    Sunday: Mostly sunny, with a high near 41. Southwest wind 3 to 8 mph.

    High: 41 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 20. Southwest wind around 6 mph.

    Low: 20 °F

    Partly Cloudy

  • Monday

    Monday: Mostly sunny, with a high near 46.

    High: 46 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Mostly cloudy, with a low around 23.

    Low: 23 °F

    Mostly Cloudy

Detailed Forecast

Tonight
Mostly cloudy, with a low around 20. Southwest wind 6 to 8 mph.
Friday
Mostly sunny, with a high near 39. Calm wind becoming south southeast around 6 mph in the afternoon.
Friday Night
A 20 percent chance of snow showers after 11pm. Mostly cloudy, with a low around 22. Southeast wind 6 to 8 mph becoming west after midnight.
Saturday
Mostly sunny, with a high near 44. West northwest wind 7 to 10 mph.
Saturday Night
Partly cloudy, with a low around 17. West southwest wind 6 to 8 mph.
Sunday
Mostly sunny, with a high near 41. Southwest wind 3 to 8 mph.
Sunday Night
Partly cloudy, with a low around 20. Southwest wind around 6 mph.
Monday
Mostly sunny, with a high near 46.
Monday Night
Mostly cloudy, with a low around 23.
Tuesday
Partly sunny, with a high near 52.
Tuesday Night
A chance of rain and snow showers. Mostly cloudy, with a low around 27.
Wednesday
A chance of rain and snow showers. Partly sunny, with a high near 47.
Wednesday Night
A slight chance of rain and snow showers. Mostly cloudy, with a low around 22.
Thursday
Mostly sunny, with a high near 44.
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ABOUT THIS FORECAST

 
Point Forecast:
Riverton WY
 43.02°N 108.35°W (Elev. 4905 ft)
10:47 pm MST Dec 4, 2025
11pm MST Dec 4, 2025-6pm MST Dec 11, 2025
 
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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