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

Blizzard Conditions Are Forecast Across Parts of the Northern Plains and Upper Great Lakes

In the north-central U.S., a strong storm will continue to bring heavy snow and gusty to high winds over parts of the northern Plains and Upper Midwest tonight before moving across the Great Lakes with heavy lake effect snow Wednesday into Thanksgiving Day. Read More >

Hazardous Weather Conditions

Current conditions at

Riverton Regional Airport (KRIW)

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

Clear

19°F

-7°C

Humidity 67%
Wind Speed W 4 MPH
Barometer 30.18 in (1022.01 mb)
Dewpoint 10°F (-12°C)
Visibility 10.00 mi
Wind Chill13°F (-11°C)
Last update 26 Nov 02:20 AM MST
Extended Forecast for

Riverton WY

  • Overnight

    Overnight: Mostly cloudy, with a low around 18. Calm wind becoming southwest around 5 mph.

    Low: 18 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: Mostly cloudy, then gradually becoming sunny, with a high near 44. Southwest wind around 5 mph becoming calm in the morning.

    High: 44 °F

    Decreasing
    Clouds

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 20. North wind around 5 mph becoming light and variable in the evening.

    Low: 20 °F

    Partly Cloudy

  • Thanksgiving Day

    Thanksgiving Day: Mostly sunny, with a high near 42. Light and variable wind.

    High: 42 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 22. Calm wind becoming south southwest around 6 mph in the evening.

    Low: 22 °F

    Partly Cloudy

  • Friday

    Friday: Mostly sunny, with a high near 46. Southwest wind 5 to 10 mph becoming north in the afternoon.

    High: 46 °F

    Mostly Sunny

  • Friday Night

    Friday Night: A 50 percent chance of snow showers. Mostly cloudy, with a low around 13. North northeast wind 11 to 14 mph, with gusts as high as 21 mph.

    Low: 13 °F

    Chance Snow
    Showers

  • Saturday

    Saturday: A 20 percent chance of snow showers before 11am. Partly sunny, with a high near 25.

    High: 25 °F

    Slight Chance
    Snow Showers
    then Mostly
    Sunny

  • Saturday Night

    Saturday Night: A 20 percent chance of snow showers. Mostly cloudy, with a low around 4.

    Low: 4 °F

    Slight Chance
    Snow Showers

Detailed Forecast

Overnight
Mostly cloudy, with a low around 18. Calm wind becoming southwest around 5 mph.
Wednesday
Mostly cloudy, then gradually becoming sunny, with a high near 44. Southwest wind around 5 mph becoming calm in the morning.
Wednesday Night
Partly cloudy, with a low around 20. North wind around 5 mph becoming light and variable in the evening.
Thanksgiving Day
Mostly sunny, with a high near 42. Light and variable wind.
Thursday Night
Partly cloudy, with a low around 22. Calm wind becoming south southwest around 6 mph in the evening.
Friday
Mostly sunny, with a high near 46. Southwest wind 5 to 10 mph becoming north in the afternoon.
Friday Night
A 50 percent chance of snow showers. Mostly cloudy, with a low around 13. North northeast wind 11 to 14 mph, with gusts as high as 21 mph.
Saturday
A 20 percent chance of snow showers before 11am. Partly sunny, with a high near 25.
Saturday Night
A 20 percent chance of snow showers. Mostly cloudy, with a low around 4.
Sunday
Mostly sunny, with a high near 24.
Sunday Night
Partly cloudy, with a low around 5.
Monday
Mostly sunny, with a high near 30.
Monday Night
Partly cloudy, with a low around 10.
Tuesday
Partly sunny, with a high near 35.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Riverton WY
 43.04°N 108.41°W (Elev. 5046 ft)
Last Update:
2:01 am MST Nov 26, 2025
Forecast Valid:
2am MST Nov 26, 2025-6pm MST Dec 2, 2025
 
Forecast Discussion
 
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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

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation