National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

Lake Effect Snow through Friday; Heavy Rain, Thunderstorms and Mountain Snow in California

Periods of moderate to heavy lake effect snow will continue through Friday downwind of Lake Erie and Ontario. Several additional inches of accumulating snow are expected. A Pacific storm will bring heavy rain and mountain snow across California, the Southwest and Intermountain West today. Isolated severe thunderstorms and scattered flash flooding is possible across parts of southern California. 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 100%
Wind Speed WSW 14 MPH
Barometer NA
Dewpoint 30°F (-1°C)
Visibility 1.24 mi
Wind Chill19°F (-7°C)
Last update 01 Jan 04:42 PM MST
Extended Forecast for

15 Miles NW South Pass City WY

  • New Year's Day

    New Year's Day: Snow showers likely. Cloudy, with a steady temperature around 24. Breezy, with a west southwest wind around 20 mph, with gusts as high as 30 mph. Chance of precipitation is 60%. Total daytime snow accumulation of 1 to 2 inches possible.

    High: 24 °F

    Snow Showers
    Likely and
    Breezy

  • Tonight

    Tonight: Snow showers, mainly before 1am. Low around 23. Windy, with a west southwest wind 23 to 28 mph, with gusts as high as 41 mph. Chance of precipitation is 80%. New snow accumulation of 2 to 4 inches possible.

    Low: 23 °F

    Snow Showers
    and Windy

  • Friday

    Friday: A 20 percent chance of snow showers before 10am. Cloudy through mid morning, then gradual clearing, with a high near 27. Windy, with a west northwest wind 16 to 25 mph, with gusts as high as 38 mph.

    High: 27 °F

    Slight Chance
    Snow Showers
    and Windy

  • Friday Night

    Friday Night: Mostly cloudy, with a low around 16. Wind chill values as low as zero. Windy, with a west wind 23 to 25 mph, with gusts as high as 30 mph.

    Low: 16 °F

    Mostly Cloudy
    and Windy

  • Saturday

    Saturday: Mostly sunny, with a high near 22. Breezy, with a west southwest wind 18 to 22 mph, with gusts as high as 29 mph.

    High: 22 °F

    Mostly Sunny
    and Breezy

  • Saturday Night

    Saturday Night: A 40 percent chance of snow showers after 11pm. Mostly cloudy, with a low around 17. Windy, with a west southwest wind 22 to 28 mph.

    Low: 17 °F

    Chance Snow
    Showers and
    Windy

  • Sunday

    Sunday: A 40 percent chance of snow showers. Mostly cloudy, with a high near 19. Windy, with a west wind 21 to 26 mph, with gusts as high as 33 mph.

    High: 19 °F

    Chance Snow
    Showers and
    Windy

  • Sunday Night

    Sunday Night: Snow showers likely. Cloudy, with a low around 16. Breezy. Chance of precipitation is 70%.

    Low: 16 °F

    Snow Showers
    Likely and
    Breezy

  • Monday

    Monday: Snow showers likely, mainly before 11am. Mostly cloudy, with a high near 17. Breezy. Chance of precipitation is 60%.

    High: 17 °F

    Snow Showers
    Likely and
    Breezy

Detailed Forecast

New Year's Day
Snow showers likely. Cloudy, with a steady temperature around 24. Breezy, with a west southwest wind around 20 mph, with gusts as high as 30 mph. Chance of precipitation is 60%. Total daytime snow accumulation of 1 to 2 inches possible.
Tonight
Snow showers, mainly before 1am. Low around 23. Windy, with a west southwest wind 23 to 28 mph, with gusts as high as 41 mph. Chance of precipitation is 80%. New snow accumulation of 2 to 4 inches possible.
Friday
A 20 percent chance of snow showers before 10am. Cloudy through mid morning, then gradual clearing, with a high near 27. Windy, with a west northwest wind 16 to 25 mph, with gusts as high as 38 mph.
Friday Night
Mostly cloudy, with a low around 16. Wind chill values as low as zero. Windy, with a west wind 23 to 25 mph, with gusts as high as 30 mph.
Saturday
Mostly sunny, with a high near 22. Breezy, with a west southwest wind 18 to 22 mph, with gusts as high as 29 mph.
Saturday Night
A 40 percent chance of snow showers after 11pm. Mostly cloudy, with a low around 17. Windy, with a west southwest wind 22 to 28 mph.
Sunday
A 40 percent chance of snow showers. Mostly cloudy, with a high near 19. Windy, with a west wind 21 to 26 mph, with gusts as high as 33 mph.
Sunday Night
Snow showers likely. Cloudy, with a low around 16. Breezy. Chance of precipitation is 70%.
Monday
Snow showers likely, mainly before 11am. Mostly cloudy, with a high near 17. Breezy. Chance of precipitation is 60%.
Monday Night
A 30 percent chance of snow showers, mainly before 11pm. Partly cloudy, with a low around 9. Windy.
Tuesday
A slight chance of snow showers. Partly sunny, with a high near 12. Windy.
Tuesday Night
Mostly cloudy, with a low around 8. Windy.
Wednesday
A slight chance of snow showers. Mostly cloudy, with a high near 13. Windy.
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ABOUT THIS FORECAST

 
Point Forecast:
15 Miles NW South Pass City WY
 42.62°N 109.01°W (Elev. 11847 ft)
Last Update:
3:48 pm MST Jan 1, 2026
Forecast Valid:
4pm MST Jan 1, 2026-6pm MST Jan 7, 2026
 
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