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

28°F

-2°C

Humidity 63%
Wind Speed WSW 16 MPH
Barometer 29.86 in (1011.18 mb)
Dewpoint 17°F (-8°C)
Visibility 10.00 mi
Wind Chill16°F (-9°C)
Last update 05 Dec 01:05 AM MST
Extended Forecast for

Riverton WY

  • Overnight

    Overnight: Cloudy, with a low around 22. Southwest wind around 6 mph.

    Low: 22 °F

    Cloudy

  • Friday

    Friday: Cloudy through mid morning, then gradual clearing, with a high near 39. Calm wind becoming south around 5 mph in the afternoon.

    High: 39 °F

    Becoming
    Sunny

  • Friday Night

    Friday Night: A 20 percent chance of snow showers after midnight.  Mostly cloudy, with a low around 23. South southeast wind around 7 mph becoming west in the evening.

    Low: 23 °F

    Mostly Cloudy
    then Slight
    Chance Snow
    Showers

  • Saturday

    Saturday: Mostly sunny, with a high near 45. West northwest wind 10 to 14 mph, with gusts as high as 23 mph.

    High: 45 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 17. Southwest wind 7 to 9 mph.

    Low: 17 °F

    Partly Cloudy

  • Sunday

    Sunday: Sunny, with a high near 42. Southwest wind 5 to 8 mph.

    High: 42 °F

    Sunny

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 19. Southwest wind around 7 mph.

    Low: 19 °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 24.

    Low: 24 °F

    Mostly Cloudy

Detailed Forecast

Overnight
Cloudy, with a low around 22. Southwest wind around 6 mph.
Friday
Cloudy through mid morning, then gradual clearing, with a high near 39. Calm wind becoming south around 5 mph in the afternoon.
Friday Night
A 20 percent chance of snow showers after midnight. Mostly cloudy, with a low around 23. South southeast wind around 7 mph becoming west in the evening.
Saturday
Mostly sunny, with a high near 45. West northwest wind 10 to 14 mph, with gusts as high as 23 mph.
Saturday Night
Partly cloudy, with a low around 17. Southwest wind 7 to 9 mph.
Sunday
Sunny, with a high near 42. Southwest wind 5 to 8 mph.
Sunday Night
Partly cloudy, with a low around 19. Southwest wind around 7 mph.
Monday
Mostly sunny, with a high near 46.
Monday Night
Mostly cloudy, with a low around 24.
Tuesday
Partly sunny, with a high near 53.
Tuesday Night
A chance of rain and snow showers. Mostly cloudy, with a low around 23.
Wednesday
A chance of rain and snow showers. Partly sunny, with a high near 43.
Wednesday Night
A slight chance of rain and snow showers. Mostly cloudy, with a low around 24.
Thursday
A slight chance of rain and snow showers. Mostly sunny, with a high near 48.
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ABOUT THIS FORECAST

 
Point Forecast:
Riverton WY
 43.02°N 108.38°W (Elev. 4931 ft)
12:01 am MST Dec 5, 2025
1am MST Dec 5, 2025-6pm MST Dec 11, 2025
 
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Additional Resources

Radar & Satellite Image

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Hourly Weather Forecast

National Digital Forecast Database