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

61°F

16°C

Humidity 34%
Wind Speed SW 17 MPH
Barometer NA
Dewpoint 32°F (0°C)
Visibility NA
Last update 20 Jun 04:26 PM MDT
Extended Forecast for

16 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: 52 °F

    Severe
    Thunderstorms
    and Windy

  • Tonight

    Tonight: Scattered rain showers, possibly mixing with snow after 9pm, then gradually ending. Some thunder is also possible. Snow level 12700 feet lowering to 11800 feet after midnight . Mostly cloudy, with a low around 35. Windy, with a west wind 21 to 30 mph, with gusts as high as 41 mph. Chance of precipitation is 30%. Little or no snow accumulation expected.

    Low: 35 °F

    Scattered
    Rain/Snow and
    Windy then
    Partly Cloudy
    and Breezy

  • Sunday

    Sunday: A slight chance of snow showers before 10am, then a chance of rain and snow showers. Some thunder is also possible. Snow level rising to 12300 feet in the afternoon. Partly sunny, with a high near 48. Breezy, with a west wind 11 to 18 mph, with gusts as high as 25 mph. Chance of precipitation is 40%. Little or no snow accumulation expected.

    High: 48 °F

    Chance
    Rain/Snow and
    Breezy

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 34. Breezy, with a west wind 9 to 18 mph, with gusts as high as 25 mph.

    Low: 34 °F

    Mostly Clear
    and Breezy
    then Mostly
    Clear

  • Monday

    Monday: Sunny, with a high near 51. Windy, with a west wind 11 to 16 mph increasing to 20 to 25 mph in the afternoon. Winds could gust as high as 37 mph.

    High: 51 °F

    Sunny and
    Windy

  • Monday Night

    Monday Night: Mostly clear, with a low around 31. Breezy, with a west northwest wind 18 to 23 mph decreasing to 10 to 15 mph after midnight. Winds could gust as high as 33 mph.

    Low: 31 °F

    Mostly Clear
    and Breezy

  • Tuesday

    Tuesday: Sunny, with a high near 53. Breezy, with a west southwest wind 10 to 18 mph, with gusts as high as 28 mph.

    High: 53 °F

    Sunny and
    Breezy

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 34.

    Low: 34 °F

    Mostly Clear

Detailed Forecast

This Afternoon
Scattered showers and thunderstorms, mainly before 5pm. Some of the storms could be severe. Snow level 12700 feet. Mostly sunny, with a high near 52. Windy, with a west southwest wind 28 to 30 mph, with gusts as high as 41 mph. Chance of precipitation is 30%.
Tonight
Scattered rain showers, possibly mixing with snow after 9pm, then gradually ending. Some thunder is also possible. Snow level 12700 feet lowering to 11800 feet after midnight . Mostly cloudy, with a low around 35. Windy, with a west wind 21 to 30 mph, with gusts as high as 41 mph. Chance of precipitation is 30%. Little or no snow accumulation expected.
Sunday
A slight chance of snow showers before 10am, then a chance of rain and snow showers. Some thunder is also possible. Snow level rising to 12300 feet in the afternoon. Partly sunny, with a high near 48. Breezy, with a west wind 11 to 18 mph, with gusts as high as 25 mph. Chance of precipitation is 40%. Little or no snow accumulation expected.
Sunday Night
Mostly clear, with a low around 34. Breezy, with a west wind 9 to 18 mph, with gusts as high as 25 mph.
Monday
Sunny, with a high near 51. Windy, with a west wind 11 to 16 mph increasing to 20 to 25 mph in the afternoon. Winds could gust as high as 37 mph.
Monday Night
Mostly clear, with a low around 31. Breezy, with a west northwest wind 18 to 23 mph decreasing to 10 to 15 mph after midnight. Winds could gust as high as 33 mph.
Tuesday
Sunny, with a high near 53. Breezy, with a west southwest wind 10 to 18 mph, with gusts as high as 28 mph.
Tuesday Night
Mostly clear, with a low around 34.
Wednesday
Sunny, with a high near 55. Breezy.
Wednesday Night
Partly cloudy, with a low around 36.
Thursday
Sunny, with a high near 55. Breezy.
Thursday Night
Partly cloudy, with a low around 38. Breezy.
Friday
Mostly sunny, with a high near 56. Windy.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
16 Miles NW South Pass City WY
 42.62°N 109.01°W (Elev. 11847 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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Chance of Precipitation