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

Cold Front Moving Through the Northeast U.S. Monday; Atmospheric River to Impact the Pacific Northwest Midweek

A cold front will cross the Great Lakes and Northeast U.S. through Monday with gusty winds and areas of rain showers. A strong atmospheric river is expected to move into the Pacific Northwest by midweek bringing a threat for moderate to heavy rainfall, gusty winds, and mountain snows for parts of Washington, Oregon, northern California, and the Sierra Nevada. Read More >

Hazardous Weather Conditions

Current conditions at

Riverton Regional Airport (KRIW)

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

Clear

61°F

16°C

Humidity 29%
Wind Speed NNW 17 MPH
Barometer 30.09 in (1018.96 mb)
Dewpoint 28°F (-2°C)
Visibility 10.00 mi
Last update 02 Nov 05:05 PM MST
Extended Forecast for

Riverton WY

  • Tonight

    Tonight: Partly cloudy, with a low around 29. North wind 8 to 13 mph becoming light and variable.

    Low: 29 °F

    Partly Cloudy

  • Monday

    Monday: Mostly cloudy, then gradually becoming sunny, with a high near 56. Calm wind becoming north northeast around 5 mph in the afternoon.

    High: 56 °F

    Decreasing
    Clouds

  • Monday Night

    Monday Night: Mostly clear, with a low around 33. Southeast wind 6 to 9 mph becoming southwest in the evening.

    Low: 33 °F

    Mostly Clear

  • Tuesday

    Tuesday: Mostly sunny, with a high near 67. South southwest wind 6 to 10 mph becoming west in the afternoon.

    High: 67 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 32. Southwest wind around 6 mph.

    Low: 32 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Partly sunny, with a high near 63. South southwest wind 5 to 11 mph.

    High: 63 °F

    Partly Sunny

  • Wednesday Night

    Wednesday Night: Mostly cloudy, with a low around 36. Southwest wind around 11 mph.

    Low: 36 °F

    Mostly Cloudy

  • Thursday

    Thursday: Mostly sunny, with a high near 59.

    High: 59 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 31.

    Low: 31 °F

    Partly Cloudy

Detailed Forecast

Tonight
Partly cloudy, with a low around 29. North wind 8 to 13 mph becoming light and variable.
Monday
Mostly cloudy, then gradually becoming sunny, with a high near 56. Calm wind becoming north northeast around 5 mph in the afternoon.
Monday Night
Mostly clear, with a low around 33. Southeast wind 6 to 9 mph becoming southwest in the evening.
Tuesday
Mostly sunny, with a high near 67. South southwest wind 6 to 10 mph becoming west in the afternoon.
Tuesday Night
Partly cloudy, with a low around 32. Southwest wind around 6 mph.
Wednesday
Partly sunny, with a high near 63. South southwest wind 5 to 11 mph.
Wednesday Night
Mostly cloudy, with a low around 36. Southwest wind around 11 mph.
Thursday
Mostly sunny, with a high near 59.
Thursday Night
Partly cloudy, with a low around 31.
Friday
Mostly sunny, with a high near 59.
Friday Night
Partly cloudy, with a low around 30.
Saturday
Mostly sunny, with a high near 55.
Saturday Night
Partly cloudy, with a low around 26.
Sunday
Mostly sunny, with a high near 55.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Riverton WY
 43.02°N 108.38°W (Elev. 4931 ft)
Last Update:
5:01 pm MST Nov 2, 2025
Forecast Valid:
5pm MST Nov 2, 2025-6pm MST Nov 9, 2025
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

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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