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

Early Heat Wave in the West; Fire Concerns in the Plains

An anomalously early heat wave will continue to intensify and expand across the West and Southwest as the week progresses. Numerous daily and potentially monthly record highs are expected to be broken. Elevated to critical fire weather conditions are expected today across the High Plains and southern Plains. Lake effect snow downwind of the Great Lakes will taper off today. Read More >

Hazardous Weather Conditions

Current conditions at

WY28 - South Pass (KSOU)

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

NA

46°F

8°C

Humidity 38%
Wind Speed WNW 21 MPH
Barometer NA
Dewpoint 22°F (-6°C)
Visibility NA
Wind Chill38°F (3°C)
Last update 17 Mar 01:26 PM MDT
Extended Forecast for

15 Miles NW South Pass City WY

  • This Afternoon

    This Afternoon: Partly sunny, with a high near 38. Windy, with a west wind 26 to 29 mph, with gusts as high as 41 mph.

    High: 38 °F

    Partly Sunny
    and Windy

  • Tonight

    Tonight: Mostly cloudy, with a low around 27. Windy, with a west northwest wind 26 to 29 mph, with gusts as high as 38 mph.

    Low: 27 °F

    Mostly Cloudy
    and Windy

  • Wednesday

    Wednesday: Mostly sunny, with a high near 37. Windy, with a west wind 26 to 31 mph, with gusts as high as 46 mph.

    High: 37 °F

    Mostly Sunny
    and Windy

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 26. Windy, with a west wind 24 to 32 mph, with gusts as high as 43 mph.

    Low: 26 °F

    Partly Cloudy
    and Windy

  • Thursday

    Thursday: Sunny, with a high near 40. Windy, with a west wind 22 to 26 mph, with gusts as high as 37 mph.

    High: 40 °F

    Sunny and
    Windy

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 28. Windy, with a west wind 23 to 26 mph, with gusts as high as 36 mph.

    Low: 28 °F

    Partly Cloudy
    and Windy

  • Friday

    Friday: Sunny, with a high near 42. Breezy, with a west wind 21 to 24 mph, with gusts as high as 36 mph.

    High: 42 °F

    Sunny and
    Breezy

  • Friday Night

    Friday Night: Mostly clear, with a low around 31. Windy.

    Low: 31 °F

    Mostly Clear
    and Windy

  • Saturday

    Saturday: Sunny, with a high near 44. Windy.

    High: 44 °F

    Sunny and
    Windy

Detailed Forecast

This Afternoon
Partly sunny, with a high near 38. Windy, with a west wind 26 to 29 mph, with gusts as high as 41 mph.
Tonight
Mostly cloudy, with a low around 27. Windy, with a west northwest wind 26 to 29 mph, with gusts as high as 38 mph.
Wednesday
Mostly sunny, with a high near 37. Windy, with a west wind 26 to 31 mph, with gusts as high as 46 mph.
Wednesday Night
Partly cloudy, with a low around 26. Windy, with a west wind 24 to 32 mph, with gusts as high as 43 mph.
Thursday
Sunny, with a high near 40. Windy, with a west wind 22 to 26 mph, with gusts as high as 37 mph.
Thursday Night
Partly cloudy, with a low around 28. Windy, with a west wind 23 to 26 mph, with gusts as high as 36 mph.
Friday
Sunny, with a high near 42. Breezy, with a west wind 21 to 24 mph, with gusts as high as 36 mph.
Friday Night
Mostly clear, with a low around 31. Windy.
Saturday
Sunny, with a high near 44. Windy.
Saturday Night
Partly cloudy, with a low around 21. Windy.
Sunday
A slight chance of snow showers. Mostly sunny, with a high near 34. Breezy.
Sunday Night
A slight chance of snow showers. Mostly cloudy, with a low around 21. Breezy.
Monday
A slight chance of snow showers. Partly sunny, with a high near 34. Windy.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
15 Miles NW South Pass City WY
 42.62°N 109.01°W (Elev. 11847 ft)
Last Update:
12:34 pm MDT Mar 17, 2026
Forecast Valid:
1pm MDT Mar 17, 2026-6pm MDT Mar 23, 2026
 
Forecast Discussion
 
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Additional Resources

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