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

Heavy Great Lakes Snow through Friday; Watching Potential for Major Winter Storm Late Week into this Weekend

Heavy lake effect snow will continue in the Great Lakes into Wednesday before another storm brings a widespread general snow followed by another round of heavy lake effect snow. A wide-ranging winter storm will produce great swaths of heavy snow, sleet, and treacherous freezing rain from the southern Rockies/Plains and Mid-South starting Friday and shifting toward the East Coast through Sunday. Read More >

Hazardous Weather Conditions

Current conditions at

WY28 - South Pass (KSOU)

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

NA

25°F

-4°C

Humidity 55%
Wind Speed W 13 MPH
Barometer NA
Dewpoint 11°F (-12°C)
Visibility 1.24 mi
Wind Chill13°F (-11°C)
Last update 20 Jan 12:26 PM MST
Extended Forecast for

19 Miles WNW South Pass City WY

  • This Afternoon

    This Afternoon: Mostly sunny, with a temperature falling to around 15 by 5pm. Blustery, with a west northwest wind 13 to 20 mph, with gusts as high as 30 mph.

    High: 27 °F⇓

    Mostly Sunny
    and Blustery

  • Tonight

    Tonight: Clear, with a low around 3. Wind chill values as low as -15. Blustery, with a northwest wind 9 to 16 mph, with gusts as high as 24 mph.

    Low: 3 °F

    Clear then
    Clear and
    Blustery

  • Wednesday

    Wednesday: Sunny, with a high near 21. Wind chill values as low as -10. Blustery, with a west northwest wind 11 to 16 mph, with gusts as high as 24 mph.

    High: 21 °F

    Sunny and
    Blustery

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 11. Wind chill values as low as -5. Northwest wind around 10 mph, with gusts as high as 20 mph.

    Low: 11 °F

    Partly Cloudy

  • Thursday

    Thursday: Mostly sunny, with a high near 23. West wind 8 to 10 mph.

    High: 23 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 4. West northwest wind around 6 mph.

    Low: 4 °F

    Partly Cloudy

  • Friday

    Friday: A 20 percent chance of snow showers after 11am. Partly sunny, with a high near 14. West wind 6 to 8 mph.

    High: 14 °F

    Slight Chance
    Snow Showers

  • Friday Night

    Friday Night: A 20 percent chance of snow showers before 11pm. Partly cloudy, with a low around -3.

    Low: -3 °F

    Slight Chance
    Snow Showers
    then Partly
    Cloudy

  • Saturday

    Saturday: Sunny, with a high near 12.

    High: 12 °F

    Sunny

Detailed Forecast

This Afternoon
Mostly sunny, with a temperature falling to around 15 by 5pm. Blustery, with a west northwest wind 13 to 20 mph, with gusts as high as 30 mph.
Tonight
Clear, with a low around 3. Wind chill values as low as -15. Blustery, with a northwest wind 9 to 16 mph, with gusts as high as 24 mph.
Wednesday
Sunny, with a high near 21. Wind chill values as low as -10. Blustery, with a west northwest wind 11 to 16 mph, with gusts as high as 24 mph.
Wednesday Night
Partly cloudy, with a low around 11. Wind chill values as low as -5. Northwest wind around 10 mph, with gusts as high as 20 mph.
Thursday
Mostly sunny, with a high near 23. West wind 8 to 10 mph.
Thursday Night
Partly cloudy, with a low around 4. West northwest wind around 6 mph.
Friday
A 20 percent chance of snow showers after 11am. Partly sunny, with a high near 14. West wind 6 to 8 mph.
Friday Night
A 20 percent chance of snow showers before 11pm. Partly cloudy, with a low around -3.
Saturday
Sunny, with a high near 12.
Saturday Night
Mostly clear, with a low around 0.
Sunday
Sunny, with a high near 18.
Sunday Night
Mostly clear, with a low around 7.
Monday
Mostly sunny, with a high near 23. Breezy.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
19 Miles WNW South Pass City WY
 42.62°N 109.13°W (Elev. 9567 ft)
Last Update:
12:31 pm MST Jan 20, 2026
Forecast Valid:
12pm MST Jan 20, 2026-6pm MST Jan 26, 2026
 
Forecast Discussion
 
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Additional Resources

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Chance of Precipitation