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

39°F

4°C

Humidity 64%
Wind Speed SW 8 MPH
Barometer 29.79 in (1008.81 mb)
Dewpoint 28°F (-2°C)
Visibility 10.00 mi
Wind Chill33°F (1°C)
Last update 09 Dec 10:20 AM MST
Extended Forecast for

Riverton WY

  • Today

    Today: Mostly sunny, with a high near 55. Southwest wind 8 to 13 mph becoming north northwest in the afternoon. Winds could gust as high as 21 mph.

    High: 55 °F

    Mostly Sunny

  • Tonight

    Tonight: Mostly cloudy, with a low around 28. West northwest wind 7 to 13 mph becoming south after midnight.

    Low: 28 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: Partly sunny, with a high near 55. Light and variable wind becoming southwest 5 to 10 mph in the morning.

    High: 55 °F

    Partly Sunny

  • Wednesday Night

    Wednesday Night: Mostly cloudy, with a low around 32. South southwest wind 11 to 14 mph, with gusts as high as 20 mph.

    Low: 32 °F

    Mostly Cloudy

  • Thursday

    Thursday: Partly sunny, with a high near 55. South southwest wind 7 to 10 mph.

    High: 55 °F

    Partly Sunny

  • Thursday Night

    Thursday Night: Mostly cloudy, with a low around 26. West southwest wind 5 to 13 mph becoming northeast after midnight.

    Low: 26 °F

    Mostly Cloudy

  • Friday

    Friday: Partly sunny, with a high near 51. Northwest wind 6 to 9 mph becoming southwest in the morning.

    High: 51 °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 47.

    High: 47 °F

    Mostly Sunny

Detailed Forecast

Today
Mostly sunny, with a high near 55. Southwest wind 8 to 13 mph becoming north northwest in the afternoon. Winds could gust as high as 21 mph.
Tonight
Mostly cloudy, with a low around 28. West northwest wind 7 to 13 mph becoming south after midnight.
Wednesday
Partly sunny, with a high near 55. Light and variable wind becoming southwest 5 to 10 mph in the morning.
Wednesday Night
Mostly cloudy, with a low around 32. South southwest wind 11 to 14 mph, with gusts as high as 20 mph.
Thursday
Partly sunny, with a high near 55. South southwest wind 7 to 10 mph.
Thursday Night
Mostly cloudy, with a low around 26. West southwest wind 5 to 13 mph becoming northeast after midnight.
Friday
Partly sunny, with a high near 51. 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 47.
Saturday Night
Partly cloudy, with a low around 23.
Sunday
Mostly sunny, with a high near 51.
Sunday Night
Partly cloudy, with a low around 25.
Monday
Mostly sunny, with a high near 48.
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ABOUT THIS FORECAST

 
Point Forecast:
Riverton WY
 43.04°N 108.41°W (Elev. 5046 ft)
9:18 am MST Dec 9, 2025
10am 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