Thunderstorms and Heavy Rainfall in the Plains; Hazardous Heat in the South and Southeast

Severe thunderstorms will be possible across the northern/central Plains through Tuesday afternoon and from the central Plains to the Mid-Mississippi Valley Tuesday evening through Wednesday morning. Storms may produce large hail and damaging wind gusts, and heavy rainfall may lead to scattered instances of flash flooding. Meanwhile, hazardous heat persists across the South and Southeast. Read More >

Current conditions at

WY28 - South Pass (KSOU)

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

NA

61°F

16°C

Humidity 50%
Wind Speed NNE 10 MPH
Barometer NA
Dewpoint 42°F (6°C)
Visibility 1.24 mi
Last update 17 Aug 07:42 PM MDT
Extended Forecast for

21 Miles SW South Pass City WY

  • Tonight

    Tonight: Scattered showers before 10pm, then isolated showers after 5am.  Mostly cloudy, with a low around 54. Breezy, with a west northwest wind 11 to 16 mph becoming east southeast 5 to 10 mph in the evening. Winds could gust as high as 22 mph.  Chance of precipitation is 30%.

    Low: 54 °F

    Scattered
    Showers and
    Breezy

  • Tuesday

    Tuesday: Scattered showers and thunderstorms before 4pm, then isolated showers between 4pm and 5pm, then scattered showers and thunderstorms after 5pm.  Partly sunny, with a high near 78. Breezy, with a north wind 5 to 10 mph becoming northwest 13 to 18 mph in the afternoon. Winds could gust as high as 28 mph.  Chance of precipitation is 30%.

    High: 78 °F

    Scattered
    Showers and
    Breezy

  • Tuesday Night

    Tuesday Night: Isolated showers before 7pm.  Partly cloudy, with a low around 50. Breezy, with a west northwest wind 10 to 15 mph becoming light and variable  after midnight. Winds could gust as high as 26 mph.  Chance of precipitation is 20%.

    Low: 50 °F

    Isolated
    Showers and
    Breezy then
    Partly Cloudy

  • Wednesday

    Wednesday: Sunny, with a high near 81. Breezy, with a light west northwest wind increasing to 11 to 16 mph in the morning. Winds could gust as high as 29 mph.

    High: 81 °F

    Sunny then
    Sunny and
    Breezy

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 51. Breezy, with a west northwest wind 11 to 16 mph becoming light and variable  after midnight. Winds could gust as high as 28 mph.

    Low: 51 °F

    Mostly Clear
    and Breezy
    then Mostly
    Clear

  • Thursday

    Thursday: Sunny, with a high near 84. Light and variable wind becoming west 6 to 11 mph in the afternoon. Winds could gust as high as 24 mph.

    High: 84 °F

    Sunny

  • Thursday Night

    Thursday Night: Mostly cloudy, with a low around 55. Northwest wind 5 to 9 mph becoming north northeast after midnight.

    Low: 55 °F

    Mostly Cloudy

  • Friday

    Friday: Mostly sunny, with a high near 86.

    High: 86 °F

    Mostly Sunny

  • Friday Night

    Friday Night: A 20 percent chance of showers and thunderstorms before midnight.  Mostly cloudy, with a low around 57.

    Low: 57 °F

    Slight Chance
    T-storms then
    Mostly Cloudy

Detailed Forecast

Tonight
Scattered showers before 10pm, then isolated showers after 5am. Mostly cloudy, with a low around 54. Breezy, with a west northwest wind 11 to 16 mph becoming east southeast 5 to 10 mph in the evening. Winds could gust as high as 22 mph. Chance of precipitation is 30%.
Tuesday
Scattered showers and thunderstorms before 4pm, then isolated showers between 4pm and 5pm, then scattered showers and thunderstorms after 5pm. Partly sunny, with a high near 78. Breezy, with a north wind 5 to 10 mph becoming northwest 13 to 18 mph in the afternoon. Winds could gust as high as 28 mph. Chance of precipitation is 30%.
Tuesday Night
Isolated showers before 7pm. Partly cloudy, with a low around 50. Breezy, with a west northwest wind 10 to 15 mph becoming light and variable after midnight. Winds could gust as high as 26 mph. Chance of precipitation is 20%.
Wednesday
Sunny, with a high near 81. Breezy, with a light west northwest wind increasing to 11 to 16 mph in the morning. Winds could gust as high as 29 mph.
Wednesday Night
Mostly clear, with a low around 51. Breezy, with a west northwest wind 11 to 16 mph becoming light and variable after midnight. Winds could gust as high as 28 mph.
Thursday
Sunny, with a high near 84. Light and variable wind becoming west 6 to 11 mph in the afternoon. Winds could gust as high as 24 mph.
Thursday Night
Mostly cloudy, with a low around 55. Northwest wind 5 to 9 mph becoming north northeast after midnight.
Friday
Mostly sunny, with a high near 86.
Friday Night
A 20 percent chance of showers and thunderstorms before midnight. Mostly cloudy, with a low around 57.
Saturday
A 10 percent chance of showers and thunderstorms after noon. Partly sunny, with a high near 82.
Saturday Night
A slight chance of showers and thunderstorms. Mostly cloudy, with a low around 54.
Sunday
A chance of showers and thunderstorms. Mostly sunny, with a high near 79.
Sunday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 51.
Monday
A slight chance of showers and thunderstorms. Mostly sunny, with a high near 78.
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ABOUT THIS FORECAST

 
Point Forecast:
21 Miles SW South Pass City WY
 42.29°N 109.11°W (Elev. 6998 ft)
6:47 pm MDT Aug 17, 2026
7pm MDT Aug 17, 2026-6pm MDT Aug 24, 2026
 
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Additional Resources

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