Significant and Catastrophic Flooding in the Pacific Northwest; Very Cold Temperatures in the Northern Plains

The atmospheric river over the Pacific Northwest will begin to subside today, but lingering rainfall will exacerbate ongoing catastrophic major river flooding, and landslides will continue across portions of western Washington and northwest Oregon for several days. Arctic air will plummet southward into the Northern Plains today, bringing cold air in the single digits to the region by Friday. 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 36%
Wind Speed NW 21 MPH
Barometer 29.94 in (1013.89 mb)
Dewpoint 23°F (-5°C)
Visibility 10.00 mi
Wind Chill41°F (5°C)
Last update 11 Dec 08:05 AM MST
Extended Forecast for

Shoshoni WY

  • Today

    Today: Mostly sunny, with a high near 60. Breezy, with a west wind 13 to 16 mph, with gusts as high as 24 mph.

    High: 60 °F

    Mostly Sunny
    and Breezy

  • Tonight

    Tonight: Partly cloudy, with a low around 30. West wind 7 to 9 mph becoming east after midnight.

    Low: 30 °F

    Partly Cloudy

  • Friday

    Friday: Mostly sunny, with a high near 53. South southeast wind 6 to 8 mph becoming west southwest in the afternoon.

    High: 53 °F

    Mostly Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 30. Southwest wind 8 to 11 mph.

    Low: 30 °F

    Partly Cloudy

  • Saturday

    Saturday: Mostly sunny, with a high near 50. West southwest wind 5 to 7 mph becoming light and variable  in the morning.

    High: 50 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 24. South southeast wind around 6 mph.

    Low: 24 °F

    Partly Cloudy

  • Sunday

    Sunday: Mostly sunny, with a high near 52. South southeast wind around 6 mph.

    High: 52 °F

    Mostly Sunny

  • Sunday Night

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

    Low: 26 °F

    Partly Cloudy

  • Monday

    Monday: Mostly sunny, with a high near 51.

    High: 51 °F

    Mostly Sunny

Detailed Forecast

Today
Mostly sunny, with a high near 60. Breezy, with a west wind 13 to 16 mph, with gusts as high as 24 mph.
Tonight
Partly cloudy, with a low around 30. West wind 7 to 9 mph becoming east after midnight.
Friday
Mostly sunny, with a high near 53. South southeast wind 6 to 8 mph becoming west southwest in the afternoon.
Friday Night
Partly cloudy, with a low around 30. Southwest wind 8 to 11 mph.
Saturday
Mostly sunny, with a high near 50. West southwest wind 5 to 7 mph becoming light and variable in the morning.
Saturday Night
Partly cloudy, with a low around 24. South southeast wind around 6 mph.
Sunday
Mostly sunny, with a high near 52. South southeast wind around 6 mph.
Sunday Night
Partly cloudy, with a low around 26.
Monday
Mostly sunny, with a high near 51.
Monday Night
Mostly cloudy, with a low around 29.
Tuesday
Mostly sunny, with a high near 56.
Tuesday Night
Partly cloudy, with a low around 32. Breezy.
Wednesday
A slight chance of rain and snow. Mostly sunny, with a high near 52. Breezy.
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ABOUT THIS FORECAST

 
Point Forecast:
Shoshoni WY
 43.23°N 108.11°W (Elev. 4800 ft)
8:02 am MST Dec 11, 2025
8am MST Dec 11, 2025-6pm MST Dec 17, 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