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

WY28 - South Pass (KSOU)

Lat: 42.47752°NLon: 108.8444°WElev: 8196.0ft.

NA

28°F

-2°C

Humidity 99%
Wind Speed SW 3 MPH
Barometer NA
Dewpoint 28°F (-2°C)
Visibility 1.24 mi
Last update 10 Dec 12:42 AM MST
Extended Forecast for

9 Miles NE South Pass City WY

Winter Weather Advisory December 10, 12:59am until December 10, 05:00pm
Click here for hazard details and duration
Winter Weather Advisory
  •  
    Winter Weather Advisory December 10, 12:59am until December 10, 05:00pm

    NOW until 5:00pm Wed

    Winter Weather Advisory

  • Overnight

    Low: 29 °F

    Slight Chance
    Snow

  • Wednesday

    Wednesday: Mostly sunny, with a high near 44. Breezy, with a southwest wind 17 to 23 mph, with gusts as high as 37 mph.

    High: 44 °F

    Mostly Sunny
    and Breezy

  • Wednesday Night

    Wednesday Night: Mostly cloudy, with a low around 32. Breezy, with a southwest wind 21 to 24 mph, with gusts as high as 39 mph.

    Low: 32 °F

    Mostly Cloudy
    and Breezy

  • Thursday

    Thursday: Partly sunny, with a high near 44. Breezy, with a west southwest wind 17 to 21 mph, with gusts as high as 36 mph.

    High: 44 °F

    Partly Sunny
    and Breezy

  • Thursday Night

    Thursday Night: Mostly cloudy, with a low around 30. Breezy, with a west southwest wind around 17 mph, with gusts as high as 29 mph.

    Low: 30 °F

    Mostly Cloudy
    and Breezy

  • Friday

    Friday: Partly sunny, with a high near 43. Breezy, with a west southwest wind 17 to 22 mph, with gusts as high as 38 mph.

    High: 43 °F

    Partly Sunny
    and Breezy

  • Friday Night

    Friday Night: Mostly cloudy, with a low around 30. Windy, with a west southwest wind 23 to 28 mph, with gusts as high as 45 mph.

    Low: 30 °F

    Mostly Cloudy
    and Windy

  • Saturday

    Saturday: Mostly sunny, with a high near 44. Breezy.

    High: 44 °F

    Partly Sunny
    and Breezy
    then Mostly
    Sunny

Detailed Forecast

Overnight
A 20 percent chance of snow before 1am. Partly cloudy, with a low around 29. Light southwest wind increasing to 5 to 10 mph.
Wednesday
Mostly sunny, with a high near 44. Breezy, with a southwest wind 17 to 23 mph, with gusts as high as 37 mph.
Wednesday Night
Mostly cloudy, with a low around 32. Breezy, with a southwest wind 21 to 24 mph, with gusts as high as 39 mph.
Thursday
Partly sunny, with a high near 44. Breezy, with a west southwest wind 17 to 21 mph, with gusts as high as 36 mph.
Thursday Night
Mostly cloudy, with a low around 30. Breezy, with a west southwest wind around 17 mph, with gusts as high as 29 mph.
Friday
Partly sunny, with a high near 43. Breezy, with a west southwest wind 17 to 22 mph, with gusts as high as 38 mph.
Friday Night
Mostly cloudy, with a low around 30. Windy, with a west southwest wind 23 to 28 mph, with gusts as high as 45 mph.
Saturday
Mostly sunny, with a high near 44. Breezy.
Saturday Night
Partly cloudy, with a low around 31.
Sunday
Mostly sunny, with a high near 45. Breezy.
Sunday Night
Partly cloudy, with a low around 30.
Monday
Mostly sunny, with a high near 44.
Monday Night
Partly cloudy, with a low around 31. Breezy.
Tuesday
A slight chance of snow showers. Partly sunny, with a high near 42. Breezy.
Basemap Options
Click map to change the forecast location
Loading map...

ABOUT THIS FORECAST

 
Point Forecast:
9 Miles NE South Pass City WY
 42.56°N 108.7°W (Elev. 7999 ft)
12:01 am MST Dec 10, 2025
12am MST Dec 10, 2025-6pm MST Dec 16, 2025
 
Get as KML Get as XML

Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database