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

48°F

9°C

Humidity 49%
Wind Speed W 8 MPH
Barometer 29.78 in (1008.47 mb)
Dewpoint 30°F (-1°C)
Visibility 10.00 mi
Wind Chill44°F (7°C)
Last update 09 Dec 11:00 AM MST
Extended Forecast for

Riverton Regional Airport WY

  • Today

    Today: Mostly sunny, with a high near 52. Breezy, with a north northwest wind 9 to 16 mph, with gusts as high as 24 mph.

    High: 52 °F

    Mostly Sunny
    and Breezy

  • Tonight

    Tonight: Mostly cloudy, with a low around 30. Blustery, with a north northwest wind 9 to 15 mph becoming southeast after midnight. Winds could gust as high as 22 mph.

    Low: 30 °F

    Mostly Cloudy
    and Blustery
    then Mostly
    Cloudy

  • Wednesday

    Wednesday: Partly sunny, with a high near 50. West southwest wind 8 to 10 mph.

    High: 50 °F

    Partly Sunny

  • Wednesday Night

    Wednesday Night: Mostly cloudy, with a low around 31. Southwest wind around 14 mph, with gusts as high as 21 mph.

    Low: 31 °F

    Mostly Cloudy

  • Thursday

    Thursday: Mostly sunny, with a high near 53. Southwest wind 8 to 10 mph.

    High: 53 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Mostly cloudy, with a low around 26. West wind 7 to 13 mph becoming north northeast after midnight.

    Low: 26 °F

    Mostly Cloudy

  • Friday

    Friday: Partly sunny, with a high near 50. Northwest wind 6 to 9 mph becoming southwest in the morning.

    High: 50 °F

    Partly Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 27.

    Low: 27 °F

    Partly Cloudy

  • Saturday

    Saturday: Mostly sunny, with a high near 45.

    High: 45 °F

    Mostly Sunny

Detailed Forecast

Today
Mostly sunny, with a high near 52. Breezy, with a north northwest wind 9 to 16 mph, with gusts as high as 24 mph.
Tonight
Mostly cloudy, with a low around 30. Blustery, with a north northwest wind 9 to 15 mph becoming southeast after midnight. Winds could gust as high as 22 mph.
Wednesday
Partly sunny, with a high near 50. West southwest wind 8 to 10 mph.
Wednesday Night
Mostly cloudy, with a low around 31. Southwest wind around 14 mph, with gusts as high as 21 mph.
Thursday
Mostly sunny, with a high near 53. Southwest wind 8 to 10 mph.
Thursday Night
Mostly cloudy, with a low around 26. West wind 7 to 13 mph becoming north northeast after midnight.
Friday
Partly sunny, with a high near 50. Northwest wind 6 to 9 mph becoming southwest in the morning.
Friday Night
Partly cloudy, with a low around 27.
Saturday
Mostly sunny, with a high near 45.
Saturday Night
Partly cloudy, with a low around 22.
Sunday
Mostly sunny, with a high near 49.
Sunday Night
Partly cloudy, with a low around 24.
Monday
Mostly sunny, with a high near 46.
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ABOUT THIS FORECAST

 
Point Forecast:
Riverton Regional Airport WY
 43.06°N 108.45°W (Elev. 5420 ft)
10:47 am MST Dec 9, 2025
11am MST Dec 9, 2025-6pm MST Dec 15, 2025
 
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Additional Resources

Radar & Satellite Image

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Hourly Weather Forecast

National Digital Forecast Database