Snow Squalls May Impact New Year's Eve Travel from the Great Lakes to the Mid-Atlantic; Heavy Rain Returns to California

Lake effect snow will continue through Friday bringing significant snowfall to areas east to southeast of the Great Lakes. Snow squalls may impact New Year's Eve travel this evening and overnight across parts of the Great Lakes, Ohio Valley, Mid-Atlantic, and Upstate New York. Heavy rain will bring another flash flooding threat for southern California New Year's Eve into New Year's Day. Read More >

Current conditions at

WY28 - South Pass (KSOU)

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

NA

39°F

4°C

Humidity 45%
Wind Speed W 7 MPH
Barometer NA
Dewpoint 19°F (-7°C)
Visibility 1.24 mi
Wind Chill34°F (1°C)
Last update 31 Dec 10:12 AM MST
Extended Forecast for

15 Miles NW South Pass City WY

  • Today

    Today: Mostly sunny, with a temperature falling to around 31 by 5pm. Breezy, with a west northwest wind 11 to 16 mph, with gusts as high as 23 mph.

    High: 39 °F

    Sunny then
    Mostly Sunny
    and Breezy

  • Tonight

    Tonight: Mostly cloudy, with a low around 23. Breezy, with a west wind 20 to 23 mph, with gusts as high as 32 mph.

    Low: 23 °F

    Mostly Cloudy
    and Breezy

  • New Year's Day

    New Year's Day: Snow showers likely, mainly after 2pm.  Cloudy, with a high near 27. Breezy, with a west southwest wind 14 to 21 mph, with gusts as high as 29 mph.  Chance of precipitation is 70%. New snow accumulation of 1 to 2 inches possible.

    High: 27 °F

    Breezy.
    Isolated Snow
    Showers then
    Snow Showers
    Likely

  • Thursday Night

    Thursday Night: Snow showers likely, mainly before 11pm.  Cloudy, with a low around 19. Windy, with a west wind 22 to 29 mph.  Chance of precipitation is 60%. New snow accumulation of around an inch possible.

    Low: 19 °F

    Snow Showers
    Likely and
    Windy

  • Friday

    Friday: A 20 percent chance of snow showers before 11am.  Mostly cloudy, with a high near 22. Windy, with a west wind 22 to 28 mph, with gusts as high as 34 mph.

    High: 22 °F

    Slight Chance
    Snow Showers
    and Windy

  • Friday Night

    Friday Night: Mostly cloudy, with a low around 17. Windy, with a west wind 22 to 25 mph, with gusts as high as 31 mph.

    Low: 17 °F

    Mostly Cloudy
    and Windy

  • Saturday

    Saturday: Partly sunny, with a high near 21. Breezy, with a west wind 16 to 21 mph, with gusts as high as 26 mph.

    High: 21 °F

    Partly Sunny
    and Breezy

  • Saturday Night

    Saturday Night: A 30 percent chance of snow showers.  Mostly cloudy, with a low around 15. Breezy.

    Low: 15 °F

    Chance Snow
    Showers and
    Breezy

  • Sunday

    Sunday: A 40 percent chance of snow showers, mainly after 11am.  Mostly cloudy, with a high near 18. Breezy.

    High: 18 °F

    Chance Snow
    Showers and
    Breezy

Detailed Forecast

Today
Mostly sunny, with a temperature falling to around 31 by 5pm. Breezy, with a west northwest wind 11 to 16 mph, with gusts as high as 23 mph.
Tonight
Mostly cloudy, with a low around 23. Breezy, with a west wind 20 to 23 mph, with gusts as high as 32 mph.
New Year's Day
Snow showers likely, mainly after 2pm. Cloudy, with a high near 27. Breezy, with a west southwest wind 14 to 21 mph, with gusts as high as 29 mph. Chance of precipitation is 70%. New snow accumulation of 1 to 2 inches possible.
Thursday Night
Snow showers likely, mainly before 11pm. Cloudy, with a low around 19. Windy, with a west wind 22 to 29 mph. Chance of precipitation is 60%. New snow accumulation of around an inch possible.
Friday
A 20 percent chance of snow showers before 11am. Mostly cloudy, with a high near 22. Windy, with a west wind 22 to 28 mph, with gusts as high as 34 mph.
Friday Night
Mostly cloudy, with a low around 17. Windy, with a west wind 22 to 25 mph, with gusts as high as 31 mph.
Saturday
Partly sunny, with a high near 21. Breezy, with a west wind 16 to 21 mph, with gusts as high as 26 mph.
Saturday Night
A 30 percent chance of snow showers. Mostly cloudy, with a low around 15. Breezy.
Sunday
A 40 percent chance of snow showers, mainly after 11am. Mostly cloudy, with a high near 18. Breezy.
Sunday Night
A 40 percent chance of snow showers. Mostly cloudy, with a low around 11. Breezy.
Monday
A chance of snow showers. Partly sunny, with a high near 16. Breezy.
Monday Night
A chance of snow showers. Mostly cloudy, with a low around 9. Breezy.
Tuesday
A slight chance of snow showers. Mostly cloudy, with a high near 14. Breezy.
Basemap Options
Click map to change the forecast location
Loading map...

ABOUT THIS FORECAST

 
Point Forecast:
15 Miles NW South Pass City WY
 42.62°N 109.01°W (Elev. 11847 ft)
9:01 am MST Dec 31, 2025
10am MST Dec 31, 2025-6pm MST Jan 6, 2026
 
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