Significant Winter Storm to Bring Heavy Snow and Ice Impacts; Dangerously Cold Temperatures Expands Across the East; Severe Storm Threat in the Gulf States Sunday

A significant winter storm is underway, bringing widespread heavy snow, sleet, and freezing rain from the Southern Rockies to New England through Monday. Extremely cold air will follow, prolonging dangerous travel and infrastructure impacts into next week. Severe thunderstorms may produce damaging gusts and tornadoes across the eastern Gulf Coast states Sunday morning and afternoon. Read More >

Hazardous Weather Conditions

Current conditions at

WY28 - South Pass (KSOU)

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

NA

-4°F

-20°C

Humidity 64%
Wind Speed WNW 11 MPH
Barometer NA
Dewpoint -13°F (-25°C)
Visibility 1.24 mi
Wind Chill-22°F (-30°C)
Last update 25 Jan 01:26 AM MST
Extended Forecast for

15 Miles NW South Pass City WY

  • Overnight

    Overnight: Partly cloudy, with a low around -10. Wind chill values as low as -35. Blustery, with a west northwest wind 16 to 20 mph, with gusts as high as 29 mph.

    Low: -10 °F

    Partly Cloudy
    and Blustery

  • Sunday

    Sunday: A 30 percent chance of snow showers, mainly before noon.  Mostly sunny and cold, with a high near 0. Wind chill values as low as -30. Blustery, with a north northwest wind 14 to 17 mph, with gusts as high as 25 mph.

    High: 0 °F

    Chance Snow
    Showers and
    Blustery

  • Sunday Night

    Sunday Night: Clear, with a low around 0. Wind chill values as low as -25. Windy, with a west northwest wind 16 to 21 mph increasing to 24 to 29 mph after midnight. Winds could gust as high as 43 mph.

    Low: 0 °F

    Clear and
    Windy

  • Monday

    Monday: Sunny, with a high near 11. Wind chill values as low as -25. Windy, with a west wind 28 to 33 mph, with gusts as high as 41 mph.

    High: 11 °F

    Sunny and
    Windy

  • Monday Night

    Monday Night: Mostly cloudy, with a low around 5. Windy, with a west northwest wind around 30 mph, with gusts as high as 37 mph.

    Low: 5 °F

    Mostly Cloudy
    and Windy

  • Tuesday

    Tuesday: Sunny, with a high near 15. Windy, with a west wind 20 to 26 mph, with gusts as high as 31 mph.

    High: 15 °F

    Sunny and
    Windy

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 6. Windy, with a west wind 21 to 25 mph.

    Low: 6 °F

    Partly Cloudy
    and Windy

  • Wednesday

    Wednesday: Partly sunny, with a high near 19. Windy.

    High: 19 °F

    Partly Sunny
    and Windy

  • Wednesday Night

    Wednesday Night: Mostly cloudy, with a low around 9. Breezy.

    Low: 9 °F

    Mostly Cloudy
    and Breezy

Detailed Forecast

Overnight
Partly cloudy, with a low around -10. Wind chill values as low as -35. Blustery, with a west northwest wind 16 to 20 mph, with gusts as high as 29 mph.
Sunday
A 30 percent chance of snow showers, mainly before noon. Mostly sunny and cold, with a high near 0. Wind chill values as low as -30. Blustery, with a north northwest wind 14 to 17 mph, with gusts as high as 25 mph.
Sunday Night
Clear, with a low around 0. Wind chill values as low as -25. Windy, with a west northwest wind 16 to 21 mph increasing to 24 to 29 mph after midnight. Winds could gust as high as 43 mph.
Monday
Sunny, with a high near 11. Wind chill values as low as -25. Windy, with a west wind 28 to 33 mph, with gusts as high as 41 mph.
Monday Night
Mostly cloudy, with a low around 5. Windy, with a west northwest wind around 30 mph, with gusts as high as 37 mph.
Tuesday
Sunny, with a high near 15. Windy, with a west wind 20 to 26 mph, with gusts as high as 31 mph.
Tuesday Night
Partly cloudy, with a low around 6. Windy, with a west wind 21 to 25 mph.
Wednesday
Partly sunny, with a high near 19. Windy.
Wednesday Night
Mostly cloudy, with a low around 9. Breezy.
Thursday
Mostly sunny, with a high near 19. Blustery.
Thursday Night
Partly cloudy, with a low around 8. Blustery.
Friday
Mostly sunny, with a high near 21. Blustery.
Friday Night
Mostly cloudy, with a low around 12. Breezy.
Saturday
Partly sunny, with a high near 21. Breezy.
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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)
12:01 am MST Jan 25, 2026
1am MST Jan 25, 2026-6pm MST Jan 31, 2026
 
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Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database