Winter Storm in the Central Appalachians through the Northeast; Heavy Snow in the Great Basin and Rockies

A winter storm will impact the central Appalachians to the Northeast through the night. Accumulating snow is expected for interior New England and the northern Mid-Atlantic. Scattered showers and occasional thunderstorms will persist across Florida and the Southeast coast. Locally heavy mountain snow is expected in the Great Basin and Rockies over the next couple of days. Read More >

Hazardous Weather Conditions

Current conditions at

Riverton Regional Airport (KRIW)

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

Clear

36°F

2°C

Humidity 51%
Wind Speed S 4 MPH
Barometer 29.79 in (1008.81 mb)
Dewpoint 19°F (-7°C)
Visibility 10.00 mi
Wind Chill33°F (1°C)
Last update 02 Dec 11:30 AM MST
Extended Forecast for

Riverton WY

  • Today

    Today: A chance of flurries after 5pm.  Mostly sunny, with a high near 42. West wind around 6 mph becoming light and variable.

    High: 42 °F

    Chance
    Flurries

  • Tonight

    Tonight: Snow showers likely, mainly between 11pm and midnight.  Mostly cloudy, with a low around 18. North northeast wind 5 to 8 mph becoming light and variable.  Chance of precipitation is 60%. New snow accumulation of less than a half inch possible.

    Low: 18 °F

    Snow Showers
    Likely

  • Wednesday

    Wednesday: Mostly cloudy, then gradually becoming sunny, with a high near 32. North northwest wind around 5 mph becoming light and variable.

    High: 32 °F

    Decreasing
    Clouds

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 8. Wind chill values as low as zero. South southwest wind around 6 mph.

    Low: 8 °F

    Mostly Clear

  • Thursday

    Thursday: Mostly sunny, with a high near 35. Southwest wind around 6 mph.

    High: 35 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 14. Southwest wind around 7 mph.

    Low: 14 °F

    Partly Cloudy

  • Friday

    Friday: Mostly sunny, with a high near 38. South southwest wind 3 to 6 mph.

    High: 38 °F

    Mostly Sunny

  • Friday Night

    Friday Night: A 20 percent chance of snow showers.  Mostly cloudy, with a low around 21.

    Low: 21 °F

    Slight Chance
    Snow Showers

  • Saturday

    Saturday: A slight chance of rain and snow showers.  Partly sunny, with a high near 45. Chance of precipitation is 20%.

    High: 45 °F

    Slight Chance
    Rain/Snow

Detailed Forecast

Today
A chance of flurries after 5pm. Mostly sunny, with a high near 42. West wind around 6 mph becoming light and variable.
Tonight
Snow showers likely, mainly between 11pm and midnight. Mostly cloudy, with a low around 18. North northeast wind 5 to 8 mph becoming light and variable. Chance of precipitation is 60%. New snow accumulation of less than a half inch possible.
Wednesday
Mostly cloudy, then gradually becoming sunny, with a high near 32. North northwest wind around 5 mph becoming light and variable.
Wednesday Night
Mostly clear, with a low around 8. Wind chill values as low as zero. South southwest wind around 6 mph.
Thursday
Mostly sunny, with a high near 35. Southwest wind around 6 mph.
Thursday Night
Partly cloudy, with a low around 14. Southwest wind around 7 mph.
Friday
Mostly sunny, with a high near 38. South southwest wind 3 to 6 mph.
Friday Night
A 20 percent chance of snow showers. Mostly cloudy, with a low around 21.
Saturday
A slight chance of rain and snow showers. Partly sunny, with a high near 45. Chance of precipitation is 20%.
Saturday Night
A slight chance of rain and snow showers before 11pm. Partly cloudy, with a low around 18. Chance of precipitation is 20%.
Sunday
Mostly sunny, with a high near 41.
Sunday Night
Partly cloudy, with a low around 20.
Monday
Mostly sunny, with a high near 45.
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ABOUT THIS FORECAST

 
Point Forecast:
Riverton WY
 43.02°N 108.38°W (Elev. 4931 ft)
11:48 am MST Dec 2, 2025
11am MST Dec 2, 2025-6pm MST Dec 8, 2025
 
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Additional Resources

Radar & Satellite Image

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Hourly Weather Forecast

National Digital Forecast Database