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.

Partly Cloudy

10°F

-12°C

Humidity 84%
Wind Speed S 4 MPH
Barometer 30.11 in (1019.64 mb)
Dewpoint 7°F (-14°C)
Visibility 10.00 mi
Wind Chill3°F (-16°C)
Last update 30 Nov 03:05 AM MST
Extended Forecast for

3 Miles WNW Arapahoe WY

  • Overnight

    Overnight: Mostly cloudy, with a steady temperature around 9. Light west wind.

    Low: 9 °F

    Mostly Cloudy

  • Sunday

    Sunday: A slight chance of snow showers between 11am and noon.  Mostly cloudy, with a high near 24. Calm wind becoming north northwest around 5 mph in the afternoon.  Chance of precipitation is 20%.

    High: 24 °F

    Slight Chance
    Snow Showers
    then Mostly
    Cloudy

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 6. West southwest wind 3 to 5 mph.

    Low: 6 °F

    Mostly Clear

  • Monday

    Monday: Sunny, with a high near 32. Calm wind becoming south southeast around 5 mph in the afternoon.

    High: 32 °F

    Sunny

  • Monday Night

    Monday Night: Mostly cloudy, with a low around 15. Southwest wind around 6 mph.

    Low: 15 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: A 20 percent chance of snow showers after 11am.  Partly sunny, with a high near 38. Southwest wind around 6 mph becoming north in the afternoon.

    High: 38 °F

    Slight Chance
    Snow Showers

  • Tuesday Night

    Tuesday Night: A 50 percent chance of snow showers.  Cloudy, with a low around 20. Northwest wind around 6 mph.

    Low: 20 °F

    Chance Snow
    Showers

  • Wednesday

    Wednesday: A 20 percent chance of snow showers before 11am.  Partly sunny, with a high near 29.

    High: 29 °F

    Slight Chance
    Snow Showers
    then Mostly
    Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 7.

    Low: 7 °F

    Mostly Clear

Detailed Forecast

Overnight
Mostly cloudy, with a steady temperature around 9. Light west wind.
Sunday
A slight chance of snow showers between 11am and noon. Mostly cloudy, with a high near 24. Calm wind becoming north northwest around 5 mph in the afternoon. Chance of precipitation is 20%.
Sunday Night
Mostly clear, with a low around 6. West southwest wind 3 to 5 mph.
Monday
Sunny, with a high near 32. Calm wind becoming south southeast around 5 mph in the afternoon.
Monday Night
Mostly cloudy, with a low around 15. Southwest wind around 6 mph.
Tuesday
A 20 percent chance of snow showers after 11am. Partly sunny, with a high near 38. Southwest wind around 6 mph becoming north in the afternoon.
Tuesday Night
A 50 percent chance of snow showers. Cloudy, with a low around 20. Northwest wind around 6 mph.
Wednesday
A 20 percent chance of snow showers before 11am. Partly sunny, with a high near 29.
Wednesday Night
Mostly clear, with a low around 7.
Thursday
Mostly sunny, with a high near 31.
Thursday Night
Partly cloudy, with a low around 12.
Friday
Mostly sunny, with a high near 36.
Friday Night
Mostly cloudy, with a low around 19.
Saturday
Partly sunny, with a high near 43.
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ABOUT THIS FORECAST

 
Point Forecast:
3 Miles WNW Arapahoe WY
 42.99°N 108.56°W (Elev. 5197 ft)
2:17 am MST Nov 30, 2025
3am MST Nov 30, 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