Heavy Snow from the Midwest into the Great Lakes; Locally Heavy Rain in the Western Gulf Coast

A significant winter storm will produce a broad area of moderate to heavy snow from the Midwest through the western Great Lakes. Significant snow accumulations of 6-12 inches, and locally more than 1 foot, and gusty wind may cause hazardous travel conditions. Thunderstorms, some severe, and showers may produce locally heavy rain and isolated flash flooding along the western Gulf Coast. Read More >

Hazardous Weather Conditions

Current conditions at

Riverton Regional Airport (KRIW)

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

Clear

9°F

-13°C

Humidity 78%
Wind Speed W 8 MPH
Barometer 30.2 in (1022.69 mb)
Dewpoint 3°F (-16°C)
Visibility 10.00 mi
Wind Chill-3°F (-19°C)
Last update 29 Nov 08:35 PM MST
Extended Forecast for

Riverton WY

  • Tonight

    Tonight: Increasing clouds, with a low around 8. Light and variable wind.

    Low: 8 °F

    Increasing
    Clouds

  • Sunday

    Sunday: Isolated snow showers between 1pm and 2pm.  Mostly cloudy, with a high near 25. Calm wind becoming north around 6 mph in the afternoon.  Chance of precipitation is 20%.

    High: 25 °F

    Cloudy then
    Isolated Snow
    Showers

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 5. Light and variable wind.

    Low: 5 °F

    Mostly Clear

  • Monday

    Monday: Sunny, with a high near 30. Light and variable wind.

    High: 30 °F

    Sunny

  • Monday Night

    Monday Night: Mostly cloudy, with a low around 13. South southwest wind 3 to 6 mph.

    Low: 13 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: A 20 percent chance of snow showers after 11am.  Mostly cloudy, with a high near 37. South southwest wind around 5 mph becoming light and variable  in the morning.

    High: 37 °F

    Slight Chance
    Snow Showers

  • Tuesday Night

    Tuesday Night: A 50 percent chance of snow showers.  Mostly cloudy, with a low around 18. North northwest wind around 5 mph.

    Low: 18 °F

    Chance Snow
    Showers

  • Wednesday

    Wednesday: Partly sunny, with a high near 31.

    High: 31 °F

    Partly Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 6.

    Low: 6 °F

    Mostly Clear

Detailed Forecast

Tonight
Increasing clouds, with a low around 8. Light and variable wind.
Sunday
Isolated snow showers between 1pm and 2pm. Mostly cloudy, with a high near 25. Calm wind becoming north around 6 mph in the afternoon. Chance of precipitation is 20%.
Sunday Night
Mostly clear, with a low around 5. Light and variable wind.
Monday
Sunny, with a high near 30. Light and variable wind.
Monday Night
Mostly cloudy, with a low around 13. South southwest wind 3 to 6 mph.
Tuesday
A 20 percent chance of snow showers after 11am. Mostly cloudy, with a high near 37. South southwest wind around 5 mph becoming light and variable in the morning.
Tuesday Night
A 50 percent chance of snow showers. Mostly cloudy, with a low around 18. North northwest wind around 5 mph.
Wednesday
Partly sunny, with a high near 31.
Wednesday Night
Mostly clear, with a low around 6.
Thursday
Mostly sunny, with a high near 31.
Thursday Night
Partly cloudy, with a low around 11.
Friday
Mostly sunny, with a high near 38.
Friday Night
Partly cloudy, with a low around 18.
Saturday
Partly sunny, with a high near 41.
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ABOUT THIS FORECAST

 
Point Forecast:
Riverton WY
 43.02°N 108.38°W (Elev. 4931 ft)
8:17 pm MST Nov 29, 2025
8pm MST Nov 29, 2025-6pm MST Dec 6, 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