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

63°F

17°C

Humidity 36%
Wind Speed WSW 14 MPH
Barometer NA
Dewpoint 35°F (2°C)
Visibility NA
Last update 20 Jun 04:42 PM MDT
Extended Forecast for

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: 71 °F

    Severe
    Thunderstorms
    and Windy

  • Tonight

    Tonight: Isolated showers and thunderstorms between 7pm and 9pm. Some of the storms could be severe. Mostly cloudy during the evening, then mostly clear overnight, with a low around 48. Breezy, with a west wind 18 to 23 mph decreasing to 9 to 14 mph after midnight. Winds could gust as high as 32 mph. Chance of precipitation is 20%.

    Low: 48 °F

    Severe
    Thunderstorms
    and Breezy
    then Partly
    Cloudy

  • Sunday

    Sunday: A chance of showers, with thunderstorms also possible after noon. Mostly sunny, with a high near 70. Breezy, with a west wind 8 to 16 mph, with gusts as high as 23 mph. Chance of precipitation is 40%.

    High: 70 °F

    Chance
    Showers and
    Breezy

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 47. West northwest wind 8 to 13 mph becoming light and variable after midnight. Winds could gust as high as 23 mph.

    Low: 47 °F

    Mostly Clear

  • Monday

    Monday: Sunny, with a high near 74. Breezy, with a light west wind increasing to 16 to 21 mph in the morning. Winds could gust as high as 34 mph.

    High: 74 °F

    Sunny and
    Breezy

  • Monday Night

    Monday Night: Mostly clear, with a low around 43. Breezy, with a west northwest wind 15 to 20 mph becoming northeast 9 to 14 mph after midnight. Winds could gust as high as 33 mph.

    Low: 43 °F

    Mostly Clear
    and Breezy

  • Tuesday

    Tuesday: Sunny, with a high near 74. Northeast wind 7 to 14 mph becoming southwest in the afternoon. Winds could gust as high as 26 mph.

    High: 74 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 46.

    Low: 46 °F

    Mostly Clear

Detailed Forecast

This Afternoon
Isolated showers and thunderstorms before 5pm. Some of the storms could be severe. Mostly sunny, with a steady temperature around 71. Windy, with a west wind 29 to 34 mph decreasing to 23 to 28 mph. Winds could gust as high as 48 mph. Chance of precipitation is 20%.
Tonight
Isolated showers and thunderstorms between 7pm and 9pm. Some of the storms could be severe. Mostly cloudy during the evening, then mostly clear overnight, with a low around 48. Breezy, with a west wind 18 to 23 mph decreasing to 9 to 14 mph after midnight. Winds could gust as high as 32 mph. Chance of precipitation is 20%.
Sunday
A chance of showers, with thunderstorms also possible after noon. Mostly sunny, with a high near 70. Breezy, with a west wind 8 to 16 mph, with gusts as high as 23 mph. Chance of precipitation is 40%.
Sunday Night
Mostly clear, with a low around 47. West northwest wind 8 to 13 mph becoming light and variable after midnight. Winds could gust as high as 23 mph.
Monday
Sunny, with a high near 74. Breezy, with a light west wind increasing to 16 to 21 mph in the morning. Winds could gust as high as 34 mph.
Monday Night
Mostly clear, with a low around 43. Breezy, with a west northwest wind 15 to 20 mph becoming northeast 9 to 14 mph after midnight. Winds could gust as high as 33 mph.
Tuesday
Sunny, with a high near 74. Northeast wind 7 to 14 mph becoming southwest in the afternoon. Winds could gust as high as 26 mph.
Tuesday Night
Mostly clear, with a low around 46.
Wednesday
Sunny, with a high near 76.
Wednesday Night
Partly cloudy, with a low around 49.
Thursday
Sunny, with a high near 77. Breezy.
Thursday Night
Partly cloudy, with a low around 51.
Friday
Mostly sunny, with a high near 78. Breezy.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
South Pass City WY
 42.46°N 108.81°W (Elev. 7953 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

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

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