Heavy Lake Effect Snow Downwind of Lakes Erie and Ontario; Fire Weather Concerns in the Southern Plains and Southeast

A multi-day heavy lake effect snow event is expected downwind of Lakes Erie and Ontario through New Year's Day. There is increasing confidence in snow squalls causing bursts of snow & gusty winds on New Year's Eve. Elevated fire weather conditions will continue today over parts of the Southern Plains and across much of the Southeast U.S. Read More >

Current conditions at

WY28 - South Pass (KSOU)

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

NA

28°F

-2°C

Humidity 59%
Wind Speed W 3 MPH
Barometer NA
Dewpoint 16°F (-9°C)
Visibility 1.24 mi
Last update 30 Dec 09:12 AM MST
Extended Forecast for

19 Miles WNW South Pass City WY

  • Today

    Today: Mostly sunny, with a high near 32. West northwest wind around 9 mph.

    High: 32 °F

    Mostly 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
Mostly sunny, with a high near 32. West northwest wind around 9 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)
8:33 am MST Dec 30, 2025
9am 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

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