Prolonged Atmospheric River in the Pacific Northwest; Snow and High Winds from the Upper Midwest into the Northeast

A prolonged atmospheric river will continue to impact the Pacific Northwest into the Northern Rockies with heavy rainfall, areas of urban and river flooding, landslides, heavy mountain snow, and gusty winds into Thursday. A strong clipper system will bring the threat of heavy snow and high winds across the Upper Midwest/Great Lakes as well as portions of the interior Northeast and Appalachians. Read More >

Hazardous Weather Conditions

Current conditions at

Riverton Regional Airport (KRIW)

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

Overcast

37°F

3°C

Humidity 74%
Wind Speed SW 9 MPH
Barometer 30.11 in (1019.64 mb)
Dewpoint 30°F (-1°C)
Visibility 10.00 mi
Wind Chill30°F (-1°C)
Last update 09 Dec 10:35 PM MST
Extended Forecast for

Shoshoni WY

  • Tonight

    Tonight: Mostly cloudy, with a low around 28. East southeast wind around 8 mph.

    Low: 28 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: Mostly sunny, with a high near 51. South wind 7 to 10 mph.

    High: 51 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Mostly cloudy, with a low around 35. South southwest wind 10 to 13 mph.

    Low: 35 °F

    Mostly Cloudy

  • Thursday

    Thursday: Mostly sunny, with a high near 57. South southwest wind 9 to 11 mph.

    High: 57 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Mostly cloudy, with a low around 31. West southwest wind around 9 mph becoming south after midnight.

    Low: 31 °F

    Mostly Cloudy

  • Friday

    Friday: Mostly sunny, with a high near 53. West southwest wind 6 to 8 mph.

    High: 53 °F

    Mostly Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 30. Southwest wind 9 to 11 mph.

    Low: 30 °F

    Partly Cloudy

  • Saturday

    Saturday: Mostly sunny, with a high near 48.

    High: 48 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 25.

    Low: 25 °F

    Partly Cloudy

Detailed Forecast

Tonight
Mostly cloudy, with a low around 28. East southeast wind around 8 mph.
Wednesday
Mostly sunny, with a high near 51. South wind 7 to 10 mph.
Wednesday Night
Mostly cloudy, with a low around 35. South southwest wind 10 to 13 mph.
Thursday
Mostly sunny, with a high near 57. South southwest wind 9 to 11 mph.
Thursday Night
Mostly cloudy, with a low around 31. West southwest wind around 9 mph becoming south after midnight.
Friday
Mostly sunny, with a high near 53. West southwest wind 6 to 8 mph.
Friday Night
Partly cloudy, with a low around 30. Southwest wind 9 to 11 mph.
Saturday
Mostly sunny, with a high near 48.
Saturday Night
Partly cloudy, with a low around 25.
Sunday
Mostly sunny, with a high near 50.
Sunday Night
Partly cloudy, with a low around 26.
Monday
Mostly sunny, with a high near 49.
Monday Night
Partly cloudy, with a low around 28.
Tuesday
Mostly sunny, with a high near 51.
Basemap Options
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ABOUT THIS FORECAST

 
Point Forecast:
Shoshoni WY
 43.23°N 108.11°W (Elev. 4800 ft)
9:47 pm MST Dec 9, 2025
10pm MST Dec 9, 2025-6pm MST Dec 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