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 >

Current conditions at

I80/US30 - Peru Hill (KCMS)

Lat: 41.54958°NLon: 109.60197°WElev: 6407.0ft.

NA

41°F

5°C

Humidity 67%
Wind Speed W 9 MPH
Barometer NA
Dewpoint 31°F (-1°C)
Visibility 1.24 mi
Wind Chill35°F (2°C)
Last update 09 Dec 09:56 PM MST
Extended Forecast for

5 Miles W North Rock Springs WY

High Wind Warning December 9, 10:12pm until December 11, 05:00am
Click here for hazard details and duration
High Wind Warning
  •  
    High Wind Warning December 9, 10:12pm until December 11, 05:00am

    NOW until 5:00am Thu

    High Wind Warning

  • Tonight

    Low: 34 °F

    Mostly Cloudy
    and Windy

  • Wednesday

    Wednesday: Mostly sunny, with a high near 47. Windy, with a west wind around 31 mph, with gusts as high as 44 mph.

    High: 47 °F

    Mostly Sunny
    and Windy

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 33. Breezy, with a west wind 18 to 24 mph, with gusts as high as 36 mph.

    Low: 33 °F

    Partly Cloudy
    and Breezy

  • Thursday

    Thursday: Sunny, with a high near 49. Breezy, with a west wind 18 to 23 mph, with gusts as high as 34 mph.

    High: 49 °F

    Sunny and
    Breezy

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 31. Breezy, with a west wind 14 to 20 mph, with gusts as high as 29 mph.

    Low: 31 °F

    Partly Cloudy
    and Breezy

  • Friday

    Friday: Mostly sunny, with a high near 46. Breezy, with a west wind 14 to 18 mph, with gusts as high as 28 mph.

    High: 46 °F

    Mostly Sunny
    and Breezy

  • Friday Night

    Friday Night: Mostly clear, with a low around 32. Breezy, with a west wind around 16 mph, with gusts as high as 23 mph.

    Low: 32 °F

    Mostly Clear
    and Breezy

  • Saturday

    Saturday: Sunny, with a high near 46. Breezy.

    High: 46 °F

    Sunny and
    Breezy then
    Sunny

Detailed Forecast

Tonight
Mostly cloudy, with a low around 34. Windy, with a west wind 24 to 28 mph, with gusts as high as 39 mph.
Wednesday
Mostly sunny, with a high near 47. Windy, with a west wind around 31 mph, with gusts as high as 44 mph.
Wednesday Night
Partly cloudy, with a low around 33. Breezy, with a west wind 18 to 24 mph, with gusts as high as 36 mph.
Thursday
Sunny, with a high near 49. Breezy, with a west wind 18 to 23 mph, with gusts as high as 34 mph.
Thursday Night
Partly cloudy, with a low around 31. Breezy, with a west wind 14 to 20 mph, with gusts as high as 29 mph.
Friday
Mostly sunny, with a high near 46. Breezy, with a west wind 14 to 18 mph, with gusts as high as 28 mph.
Friday Night
Mostly clear, with a low around 32. Breezy, with a west wind around 16 mph, with gusts as high as 23 mph.
Saturday
Sunny, with a high near 46. Breezy.
Saturday Night
Partly cloudy, with a low around 26.
Sunday
Mostly sunny, with a high near 45.
Sunday Night
Mostly clear, with a low around 27.
Monday
Mostly sunny, with a high near 43.
Monday Night
Partly cloudy, with a low around 28.
Tuesday
Mostly sunny, with a high near 42. Breezy.
Basemap Options
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ABOUT THIS FORECAST

 
Point Forecast:
5 Miles W North Rock Springs WY
 41.64°N 109.34°W (Elev. 7569 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