Prolonged Atmospheric River in the Pacific Northwest; Snow and High Winds in the North-Central U.S.

A prolonged atmospheric river will continue impacting the Pacific Northwest with heavy rainfall which has lead to areas of urban and river flooding along with gusty winds into Thursday. A clipper will bring heavy snow, some mixed wintry precipitation, and gusty to high winds across the northern Plains, Upper Midwest, and the Great Lakes into Thursday morning. Read More >

Hazardous Weather Conditions

Current conditions at

Riverton Regional Airport (KRIW)

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

Clear

30°F

-1°C

Humidity 80%
Wind Speed ENE 3 MPH
Barometer 29.8 in (1009.14 mb)
Dewpoint 25°F (-4°C)
Visibility 10.00 mi
Last update 09 Dec 06:05 AM MST
Extended Forecast for

Riverton WY

  • Today

    Today: Partly sunny, with a high near 55. South southwest wind 5 to 14 mph becoming north northwest in the afternoon. Winds could gust as high as 20 mph.

    High: 55 °F

    Partly Sunny

  • Tonight

    Tonight: Mostly cloudy, with a low around 27. West wind 7 to 11 mph becoming south in the evening.

    Low: 27 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: Partly sunny, with a high near 55. Calm wind becoming southwest 5 to 9 mph in the morning.

    High: 55 °F

    Partly Sunny

  • Wednesday Night

    Wednesday Night: Mostly cloudy, with a low around 32. South southwest wind 10 to 13 mph.

    Low: 32 °F

    Mostly Cloudy

  • Thursday

    Thursday: Partly sunny, with a high near 56. South southwest wind 7 to 9 mph.

    High: 56 °F

    Partly Sunny

  • Thursday Night

    Thursday Night: Mostly cloudy, with a low around 25. West southwest wind 6 to 11 mph becoming light and variable.

    Low: 25 °F

    Mostly Cloudy

  • Friday

    Friday: Partly sunny, with a high near 52. Northwest wind 6 to 8 mph becoming southwest in the morning.

    High: 52 °F

    Partly Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 26.

    Low: 26 °F

    Partly Cloudy

  • Saturday

    Saturday: Mostly sunny, with a high near 48.

    High: 48 °F

    Mostly Sunny

Detailed Forecast

Today
Partly sunny, with a high near 55. South southwest wind 5 to 14 mph becoming north northwest in the afternoon. Winds could gust as high as 20 mph.
Tonight
Mostly cloudy, with a low around 27. West wind 7 to 11 mph becoming south in the evening.
Wednesday
Partly sunny, with a high near 55. Calm wind becoming southwest 5 to 9 mph in the morning.
Wednesday Night
Mostly cloudy, with a low around 32. South southwest wind 10 to 13 mph.
Thursday
Partly sunny, with a high near 56. South southwest wind 7 to 9 mph.
Thursday Night
Mostly cloudy, with a low around 25. West southwest wind 6 to 11 mph becoming light and variable.
Friday
Partly sunny, with a high near 52. Northwest wind 6 to 8 mph becoming southwest in the morning.
Friday Night
Partly cloudy, with a low around 26.
Saturday
Mostly sunny, with a high near 48.
Saturday Night
Partly cloudy, with a low around 22.
Sunday
Mostly sunny, with a high near 52.
Sunday Night
Partly cloudy, with a low around 24.
Monday
Mostly sunny, with a high near 49.
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ABOUT THIS FORECAST

 
Point Forecast:
Riverton WY
 43.02°N 108.38°W (Elev. 4931 ft)
6:17 am MST Dec 9, 2025
6am MST Dec 9, 2025-6pm MST Dec 15, 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