Tracking Atmospheric River in the Northwest U.S. and Clipper with Winter Weather in the Northeast U.S.

A prolonged atmospheric river will continue to bring gusty winds, heavy rainfall which may lead to urban and river flooding with possible landslides, and heavy inter-mountain snow over the Pacific Northwest into the northern Rockies through Thursday. A clipper will cross the Great Lakes and Northeast U.S. into Thursday with areas of moderate to heavy snow and mixed wintry precipitation. Read More >

Hazardous Weather Conditions

Current conditions at

WY28 - South Pass (KSOU)

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

NA

30°F

-1°C

Humidity 96%
Wind Speed W 18 MPH
Barometer NA
Dewpoint 29°F (-2°C)
Visibility 1.24 mi
Wind Chill18°F (-8°C)
Last update 11 Dec 12:12 AM MST
Extended Forecast for

16 Miles NW South Pass City WY

  • Overnight

    Overnight: Partly cloudy, with a steady temperature around 31. Very windy, with a west wind 32 to 37 mph, with gusts as high as 50 mph.

    Low: 31 °F

    Partly Cloudy
    and Very
    Windy

  • Thursday

    Thursday: Mostly sunny, with a high near 35. Very windy, with a west wind 33 to 38 mph decreasing to 26 to 31 mph in the afternoon. Winds could gust as high as 55 mph.

    High: 35 °F

    Mostly Sunny
    and Very
    Windy

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 22. Breezy, with a west wind 21 to 23 mph, with gusts as high as 32 mph.

    Low: 22 °F

    Partly Cloudy
    and Breezy

  • Friday

    Friday: Partly sunny, with a high near 27. Windy, with a west wind 22 to 26 mph, with gusts as high as 37 mph.

    High: 27 °F

    Partly Sunny
    and Windy

  • Friday Night

    Friday Night: Mostly cloudy, with a low around 19. Windy, with a west wind around 25 mph, with gusts as high as 40 mph.

    Low: 19 °F

    Mostly Cloudy
    and Windy

  • Saturday

    Saturday: Mostly sunny, with a high near 31. Breezy, with a west wind 16 to 23 mph, with gusts as high as 34 mph.

    High: 31 °F

    Mostly Sunny
    and Breezy

  • Saturday Night

    Saturday Night: Mostly cloudy, with a low around 22. West wind around 14 mph, with gusts as high as 23 mph.

    Low: 22 °F

    Mostly Cloudy

  • Sunday

    Sunday: Mostly sunny, with a high near 33. Breezy.

    High: 33 °F

    Mostly Sunny
    and Breezy

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 20. Blustery.

    Low: 20 °F

    Partly Cloudy
    and Blustery

Detailed Forecast

Overnight
Partly cloudy, with a steady temperature around 31. Very windy, with a west wind 32 to 37 mph, with gusts as high as 50 mph.
Thursday
Mostly sunny, with a high near 35. Very windy, with a west wind 33 to 38 mph decreasing to 26 to 31 mph in the afternoon. Winds could gust as high as 55 mph.
Thursday Night
Partly cloudy, with a low around 22. Breezy, with a west wind 21 to 23 mph, with gusts as high as 32 mph.
Friday
Partly sunny, with a high near 27. Windy, with a west wind 22 to 26 mph, with gusts as high as 37 mph.
Friday Night
Mostly cloudy, with a low around 19. Windy, with a west wind around 25 mph, with gusts as high as 40 mph.
Saturday
Mostly sunny, with a high near 31. Breezy, with a west wind 16 to 23 mph, with gusts as high as 34 mph.
Saturday Night
Mostly cloudy, with a low around 22. West wind around 14 mph, with gusts as high as 23 mph.
Sunday
Mostly sunny, with a high near 33. Breezy.
Sunday Night
Partly cloudy, with a low around 20. Blustery.
Monday
Mostly sunny, with a high near 30. Blustery.
Monday Night
Mostly cloudy, with a low around 21. Breezy.
Tuesday
A slight chance of snow showers. Partly sunny, with a high near 27. Windy.
Tuesday Night
A chance of snow showers. Mostly cloudy, with a low around 19. Windy.
Wednesday
A chance of snow showers. Partly sunny, with a high near 23. Windy.
Basemap Options
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ABOUT THIS FORECAST

 
Point Forecast:
16 Miles NW South Pass City WY
 42.65°N 109.01°W (Elev. 10840 ft)
11:01 pm MST Dec 10, 2025
12am 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