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

Heat Wave Continues in the West; Critical Fire Weather Conditions in the High 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. Critical fire weather conditions will continue over the next couple of days across portions of the High Plains as gusty winds and dry conditions persist. Read More >

Hazardous Weather Conditions

Current conditions at

WY28 - South Pass (KSOU)

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

NA

41°F

5°C

Humidity 32%
Wind Speed WSW 8 MPH
Barometer NA
Dewpoint 13°F (-11°C)
Visibility NA
Wind Chill36°F (2°C)
Last update 18 Mar 01:26 AM MDT
Extended Forecast for

15 Miles NW South Pass City WY

  • Overnight

    Overnight: Partly cloudy, with a steady temperature around 32. Windy, with a west northwest wind 26 to 28 mph, with gusts as high as 41 mph.

    Low: 32 °F

    Partly 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 47 mph.

    High: 37 °F

    Mostly Sunny
    and Windy

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 27. Windy, with a west wind 24 to 32 mph, with gusts as high as 48 mph.

    Low: 27 °F

    Partly Cloudy
    and Windy

  • Thursday

    Thursday: Sunny, with a high near 39. Windy, with a west wind 23 to 25 mph, with gusts as high as 38 mph.

    High: 39 °F

    Sunny and
    Windy

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 28. Windy, with a west wind 21 to 25 mph, with gusts as high as 38 mph.

    Low: 28 °F

    Partly Cloudy
    and Windy

  • Friday

    Friday: Mostly sunny, with a high near 42. Windy, with a west wind 18 to 25 mph, with gusts as high as 38 mph.

    High: 42 °F

    Mostly Sunny
    and Windy

  • Friday Night

    Friday Night: Partly cloudy, with a low around 30. Windy, with a west wind around 25 mph, with gusts as high as 38 mph.

    Low: 30 °F

    Partly Cloudy
    and Windy

  • Saturday

    Saturday: Sunny, with a high near 46. Windy.

    High: 46 °F

    Sunny and
    Windy

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 22. Windy.

    Low: 22 °F

    Partly Cloudy
    and Windy

Detailed Forecast

Overnight
Partly cloudy, with a steady temperature around 32. Windy, with a west northwest wind 26 to 28 mph, with gusts as high as 41 mph.
Wednesday
Mostly sunny, with a high near 37. Windy, with a west wind 26 to 31 mph, with gusts as high as 47 mph.
Wednesday Night
Partly cloudy, with a low around 27. Windy, with a west wind 24 to 32 mph, with gusts as high as 48 mph.
Thursday
Sunny, with a high near 39. Windy, with a west wind 23 to 25 mph, with gusts as high as 38 mph.
Thursday Night
Partly cloudy, with a low around 28. Windy, with a west wind 21 to 25 mph, with gusts as high as 38 mph.
Friday
Mostly sunny, with a high near 42. Windy, with a west wind 18 to 25 mph, with gusts as high as 38 mph.
Friday Night
Partly cloudy, with a low around 30. Windy, with a west wind around 25 mph, with gusts as high as 38 mph.
Saturday
Sunny, with a high near 46. Windy.
Saturday Night
Partly cloudy, with a low around 22. Windy.
Sunday
A 20 percent chance of snow showers after noon. Mostly sunny, with a high near 34. Breezy.
Sunday Night
Mostly cloudy, with a low around 21. Blustery.
Monday
Mostly sunny, with a high near 35. Breezy.
Monday Night
A slight chance of snow showers. Mostly cloudy, with a low around 24. Breezy.
Tuesday
A slight chance of snow showers. Partly sunny, with a high near 38. 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:
12:48 am MDT Mar 18, 2026
Forecast Valid:
1am MDT Mar 18, 2026-6pm MDT Mar 24, 2026
 
Forecast Discussion
 
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Additional Resources

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High Temperature

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Chance of Precipitation