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

Risks of Severe Thunderstorms and Excessive Rainfall; Fire Weather Concerns and Record Warmth

Severe thunderstorms and flash flooding risks increase across the center of the nation today. Meanwhile, ongoing thunderstorms and flash flooding will linger along the Gulf Coast states through the evening. The Great Basin and Intermountain West, warm temperatures and dry fuels with dry lightning may enhance fire weather potential. In addition, across interior Alaska, Red Flag Warning are posted. Read More >

Hazardous Weather Conditions

Current conditions at

WY28 - South Pass (KSOU)

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

NA

59°F

15°C

Humidity 41%
Wind Speed WSW 15 MPH
Barometer NA
Dewpoint 35°F (2°C)
Visibility NA
Last update 20 Jun 03:56 PM MDT
Extended Forecast for

17 Miles NW South Pass City WY

Severe T-storm Watch until June 20, 09:00pm
Click here for hazard details and duration
Severe T-storm Watch
  •  
    Severe T-storm Watch until June 20, 09:00pm

    NOW until 9:00pm Sat

    Severe T-storm Watch

  • This Afternoon

    High: 58 °F

    Severe
    Thunderstorms
    and Windy

  • Tonight

    Tonight: Scattered showers and thunderstorms before 9pm, then isolated showers between 9pm and 10pm. Some of the storms could be severe. Snow level 12700 feet lowering to 11600 feet after midnight . Cloudy, then gradually becoming partly cloudy, with a low around 38. Windy, with a west wind 16 to 26 mph, with gusts as high as 37 mph. Chance of precipitation is 30%.

    Low: 38 °F

    Severe
    Thunderstorms
    and Windy
    then Mostly
    Cloudy and
    Breezy

  • Sunday

    Sunday: A chance of showers, with thunderstorms also possible after noon. Snow level 11600 feet rising to 12400 feet in the afternoon. Partly sunny, with a high near 53. Breezy, with a west wind 9 to 16 mph, with gusts as high as 23 mph. Chance of precipitation is 40%.

    High: 53 °F

    Breezy.
    Chance
    Showers then
    Chance
    T-storms

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 38. Breezy, with a west wind 6 to 16 mph, with gusts as high as 23 mph.

    Low: 38 °F

    Mostly Clear
    and Breezy
    then Mostly
    Clear

  • Monday

    Monday: Sunny, with a high near 57. Windy, with a west wind 10 to 15 mph increasing to 20 to 25 mph in the afternoon. Winds could gust as high as 36 mph.

    High: 57 °F

    Sunny and
    Windy

  • Monday Night

    Monday Night: Mostly clear, with a low around 34. Breezy, with a northwest wind 17 to 22 mph decreasing to 7 to 12 mph after midnight. Winds could gust as high as 32 mph.

    Low: 34 °F

    Mostly Clear
    and Breezy
    then Mostly
    Clear

  • Tuesday

    Tuesday: Sunny, with a high near 58. Breezy, with a west southwest wind 7 to 15 mph, with gusts as high as 25 mph.

    High: 58 °F

    Sunny then
    Sunny and
    Breezy

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 37.

    Low: 37 °F

    Mostly Clear

Detailed Forecast

This Afternoon
Scattered showers and thunderstorms, mainly before 5pm. Some of the storms could be severe. Partly sunny, with a high near 58. Windy, with a west southwest wind around 28 mph, with gusts as high as 39 mph. Chance of precipitation is 30%.
Tonight
Scattered showers and thunderstorms before 9pm, then isolated showers between 9pm and 10pm. Some of the storms could be severe. Snow level 12700 feet lowering to 11600 feet after midnight . Cloudy, then gradually becoming partly cloudy, with a low around 38. Windy, with a west wind 16 to 26 mph, with gusts as high as 37 mph. Chance of precipitation is 30%.
Sunday
A chance of showers, with thunderstorms also possible after noon. Snow level 11600 feet rising to 12400 feet in the afternoon. Partly sunny, with a high near 53. Breezy, with a west wind 9 to 16 mph, with gusts as high as 23 mph. Chance of precipitation is 40%.
Sunday Night
Mostly clear, with a low around 38. Breezy, with a west wind 6 to 16 mph, with gusts as high as 23 mph.
Monday
Sunny, with a high near 57. Windy, with a west wind 10 to 15 mph increasing to 20 to 25 mph in the afternoon. Winds could gust as high as 36 mph.
Monday Night
Mostly clear, with a low around 34. Breezy, with a northwest wind 17 to 22 mph decreasing to 7 to 12 mph after midnight. Winds could gust as high as 32 mph.
Tuesday
Sunny, with a high near 58. Breezy, with a west southwest wind 7 to 15 mph, with gusts as high as 25 mph.
Tuesday Night
Mostly clear, with a low around 37.
Wednesday
Sunny, with a high near 60. Breezy.
Wednesday Night
Partly cloudy, with a low around 40.
Thursday
Sunny, with a high near 61. Breezy.
Thursday Night
Partly cloudy, with a low around 42. Breezy.
Friday
Mostly sunny, with a high near 62. Windy.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
17 Miles NW South Pass City WY
 42.67°N 108.99°W (Elev. 10919 ft)
Last Update:
3:48 pm MDT Jun 20, 2026
Forecast Valid:
4pm MDT Jun 20, 2026-6pm MDT Jun 26, 2026
 
Forecast Discussion
 
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Additional Resources

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Hourly Weather Forecast

National Digital Forecast Database

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation