Heavy Lake Effect Snow; Subfreezing Temperatures in the Eastern U.S.

A multi-day heavy lake effect snow event is expected downwind of Lakes Erie and Ontario through New Year's Day. The Arctic front will continue to bring increasing winds to the Northeast that will remain gusty. Subfreezing overnight low temperatures will be found as far south as the Gulf Coast. Read More >

Current conditions at

WY28 - South Pass (KSOU)

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

NA

25°F

-4°C

Humidity 66%
Wind Speed W 16 MPH
Barometer NA
Dewpoint 15°F (-9°C)
Visibility 1.24 mi
Wind Chill12°F (-11°C)
Last update 30 Dec 03:56 AM MST
Extended Forecast for

19 Miles WNW South Pass City WY

  • Today

    Today: Sunny, with a high near 32. West northwest wind 8 to 14 mph, with gusts as high as 20 mph.

    High: 32 °F

    Sunny

  • Tonight

    Tonight: Mostly clear, with a low around 22. Blustery, with a north northwest wind 9 to 15 mph, with gusts as high as 21 mph.

    Low: 22 °F

    Mostly Clear
    then Mostly
    Clear and
    Blustery

  • Wednesday

    Wednesday: Partly sunny, with a high near 36. Northwest wind around 11 mph.

    High: 36 °F

    Partly Sunny

  • Wednesday Night

    Wednesday Night: Mostly cloudy, with a low around 25. West wind around 10 mph.

    Low: 25 °F

    Mostly Cloudy

  • New Year's Day

    New Year's Day: Snow showers likely, mainly after 11am.  Cloudy, with a high near 29. West wind 9 to 11 mph, with gusts as high as 21 mph.  Chance of precipitation is 60%. New snow accumulation of less than a half inch possible.

    High: 29 °F

    Snow Showers
    Likely

  • Thursday Night

    Thursday Night: A 40 percent chance of snow showers.  Cloudy, with a low around 24. West wind 11 to 14 mph, with gusts as high as 23 mph.

    Low: 24 °F

    Chance Snow
    Showers

  • Friday

    Friday: A 20 percent chance of snow showers.  Mostly cloudy, with a high near 29. Breezy, with a west wind around 15 mph, with gusts as high as 25 mph.

    High: 29 °F

    Slight Chance
    Snow Showers
    and Breezy

  • Friday Night

    Friday Night: A 20 percent chance of snow showers after 11pm.  Mostly cloudy, with a low around 23.

    Low: 23 °F

    Slight Chance
    Snow Showers

  • Saturday

    Saturday: A 40 percent chance of snow showers, mainly after 11am.  Mostly cloudy, with a high near 28. Breezy.

    High: 28 °F

    Chance Snow
    Showers and
    Breezy

Detailed Forecast

Today
Sunny, with a high near 32. West northwest wind 8 to 14 mph, with gusts as high as 20 mph.
Tonight
Mostly clear, with a low around 22. Blustery, with a north northwest wind 9 to 15 mph, with gusts as high as 21 mph.
Wednesday
Partly sunny, with a high near 36. Northwest wind around 11 mph.
Wednesday Night
Mostly cloudy, with a low around 25. West wind around 10 mph.
New Year's Day
Snow showers likely, mainly after 11am. Cloudy, with a high near 29. West wind 9 to 11 mph, with gusts as high as 21 mph. Chance of precipitation is 60%. New snow accumulation of less than a half inch possible.
Thursday Night
A 40 percent chance of snow showers. Cloudy, with a low around 24. West wind 11 to 14 mph, with gusts as high as 23 mph.
Friday
A 20 percent chance of snow showers. Mostly cloudy, with a high near 29. Breezy, with a west wind around 15 mph, with gusts as high as 25 mph.
Friday Night
A 20 percent chance of snow showers after 11pm. Mostly cloudy, with a low around 23.
Saturday
A 40 percent chance of snow showers, mainly after 11am. Mostly cloudy, with a high near 28. Breezy.
Saturday Night
A 40 percent chance of snow showers. Mostly cloudy, with a low around 18.
Sunday
A chance of snow showers. Mostly cloudy, with a high near 24.
Sunday Night
A slight chance of snow showers. Partly cloudy, with a low around 12.
Monday
A slight chance of snow showers. Partly sunny, with a high near 22.
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ABOUT THIS FORECAST

 
Point Forecast:
19 Miles WNW South Pass City WY
 42.62°N 109.13°W (Elev. 9567 ft)
3:33 am MST Dec 30, 2025
4am MST Dec 30, 2025-6pm MST Jan 5, 2026
 
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Additional Resources

Radar & Satellite Image

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Hourly Weather Forecast

National Digital Forecast Database