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

Snow Squalls in the Northeast U.S. on Thursday; Heavy Rain Along the Gulf Coast

An arctic cold front will move through the Great Lakes and Northeast on Thursday, bringing moderate to heavy snow, strong winds, and possible whiteout conditions through Thursday afternoon. A storm system interacting with Gulf moisture will bring moderate to heavy rainfall to the western and central Gulf Coast on Thursday. Isolated instances of flash flooding will be possible. Read More >

Hazardous Weather Conditions

Current conditions at

Riverton Regional Airport (KRIW)

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

Clear

12°F

-11°C

Humidity 85%
Wind Speed SSW 3 MPH
Barometer 30.06 in (1017.95 mb)
Dewpoint 9°F (-13°C)
Visibility 10.00 mi
Last update 03 Dec 11:05 PM MST
Extended Forecast for

3 Miles WNW Arapahoe WY

  • Tonight

    Tonight: Mostly clear, with a steady temperature around 17. West southwest wind 5 to 8 mph.

    Low: 17 °F

    Mostly Clear

  • Thursday

    Thursday: Sunny, with a high near 37. Southwest wind 7 to 9 mph.

    High: 37 °F

    Sunny

  • Thursday Night

    Thursday Night: Mostly cloudy, with a low around 17. West wind 7 to 9 mph.

    Low: 17 °F

    Mostly Cloudy

  • Friday

    Friday: Mostly sunny, with a high near 37. Southwest wind around 6 mph becoming light and variable.

    High: 37 °F

    Mostly Sunny

  • Friday Night

    Friday Night: A 30 percent chance of snow showers. Mostly cloudy, with a low around 20. West southwest wind around 8 mph.

    Low: 20 °F

    Chance Snow
    Showers

  • Saturday

    Saturday: Partly sunny, with a high near 40. Northwest wind around 8 mph.

    High: 40 °F

    Partly Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 17. West wind around 7 mph.

    Low: 17 °F

    Partly Cloudy

  • Sunday

    Sunday: Mostly sunny, with a high near 40.

    High: 40 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 19.

    Low: 19 °F

    Partly Cloudy

Detailed Forecast

Tonight
Mostly clear, with a steady temperature around 17. West southwest wind 5 to 8 mph.
Thursday
Sunny, with a high near 37. Southwest wind 7 to 9 mph.
Thursday Night
Mostly cloudy, with a low around 17. West wind 7 to 9 mph.
Friday
Mostly sunny, with a high near 37. Southwest wind around 6 mph becoming light and variable.
Friday Night
A 30 percent chance of snow showers. Mostly cloudy, with a low around 20. West southwest wind around 8 mph.
Saturday
Partly sunny, with a high near 40. Northwest wind around 8 mph.
Saturday Night
Partly cloudy, with a low around 17. West wind around 7 mph.
Sunday
Mostly sunny, with a high near 40.
Sunday Night
Partly cloudy, with a low around 19.
Monday
Mostly sunny, with a high near 46.
Monday Night
Partly cloudy, with a low around 24.
Tuesday
Partly sunny, with a high near 51.
Tuesday Night
A slight chance of rain and snow showers. Mostly cloudy, with a low around 29.
Wednesday
A slight chance of rain and snow showers. Partly sunny, with a high near 49.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
3 Miles WNW Arapahoe WY
 42.99°N 108.56°W (Elev. 5197 ft)
Last Update:
10:32 pm MST Dec 3, 2025
Forecast Valid:
11pm MST Dec 3, 2025-6pm MST Dec 10, 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