Frigid Airmass to Bring Significantly Colder Temperatures; Heavy Lake-effect Snow; Fire Concerns Across the Central Gulf Coast

A frigid cold airmass will bring significantly colder weather across the eastern two thirds of the country early this week. Temperatures will tie or break many records across the Southeast through tonight. Moderate to heavy lake effect snow will continue downwind of the Great Lakes. Gusty winds and dry conditions will support an elevated fire weather threat across the Central Gulf Coast. Read More >

Current conditions at

Riverton Regional Airport (KRIW)

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

Clear

28°F

-2°C

Humidity 62%
Wind Speed NNE 3 MPH
Barometer 30.32 in (1026.75 mb)
Dewpoint 17°F (-8°C)
Visibility 10.00 mi
Last update 10 Nov 07:53 AM MST
Extended Forecast for

Riverton WY

  • Today

    Today: Partly sunny, with a high near 55. North northeast wind around 5 mph becoming light and variable.

    High: 55 °F

    Partly Sunny

  • Tonight

    Tonight: Cloudy, then gradually becoming partly cloudy, with a low around 34. West southwest wind 6 to 10 mph.

    Low: 34 °F

    Decreasing
    Clouds

  • Veterans Day

    Veterans Day: Sunny, with a high near 62. West southwest wind 6 to 9 mph.

    High: 62 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 30. West wind 5 to 8 mph becoming south southwest after midnight.

    Low: 30 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Partly sunny, with a high near 59. Calm wind becoming south around 5 mph in the afternoon.

    High: 59 °F

    Partly Sunny

  • Wednesday Night

    Wednesday Night: Mostly cloudy, with a low around 33. Southwest wind around 7 mph.

    Low: 33 °F

    Mostly Cloudy

  • Thursday

    Thursday: Mostly sunny, with a high near 64. Breezy, with a south southwest wind 7 to 15 mph, with gusts as high as 21 mph.

    High: 64 °F

    Mostly Sunny
    then Sunny
    and Breezy

  • Thursday Night

    Thursday Night: A 20 percent chance of showers after 11pm.  Partly cloudy, with a low around 39. Breezy.

    Low: 39 °F

    Slight Chance
    Showers and
    Breezy

  • Friday

    Friday: A chance of rain showers before 11am, then a chance of rain and snow showers.  Partly sunny, with a high near 52. Breezy.  Chance of precipitation is 40%.

    High: 52 °F

    Chance
    Rain/Snow and
    Breezy

Detailed Forecast

Today
Partly sunny, with a high near 55. North northeast wind around 5 mph becoming light and variable.
Tonight
Cloudy, then gradually becoming partly cloudy, with a low around 34. West southwest wind 6 to 10 mph.
Veterans Day
Sunny, with a high near 62. West southwest wind 6 to 9 mph.
Tuesday Night
Partly cloudy, with a low around 30. West wind 5 to 8 mph becoming south southwest after midnight.
Wednesday
Partly sunny, with a high near 59. Calm wind becoming south around 5 mph in the afternoon.
Wednesday Night
Mostly cloudy, with a low around 33. Southwest wind around 7 mph.
Thursday
Mostly sunny, with a high near 64. Breezy, with a south southwest wind 7 to 15 mph, with gusts as high as 21 mph.
Thursday Night
A 20 percent chance of showers after 11pm. Partly cloudy, with a low around 39. Breezy.
Friday
A chance of rain showers before 11am, then a chance of rain and snow showers. Partly sunny, with a high near 52. Breezy. Chance of precipitation is 40%.
Friday Night
A chance of rain and snow showers, mainly before 11pm. Mostly cloudy, with a low around 22. Chance of precipitation is 30%.
Saturday
Mostly sunny, with a high near 43.
Saturday Night
Mostly clear, with a low around 19.
Sunday
Mostly sunny, with a high near 44.
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ABOUT THIS FORECAST

 
Point Forecast:
Riverton WY
 43.04°N 108.41°W (Elev. 5046 ft)
7:01 am MST Nov 10, 2025
8am MST Nov 10, 2025-6pm MST Nov 16, 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