Heavy Rainfall and Flooding Threats in the Midwest and Ohio Valley; Heat Continues in the Plains and Southeast

An active pattern will continue to bring heavy to excessive rainfall and flash flooding threats to the Midwest and Ohio Valley over the next couple of days. Dangerous heat continues across the central/southern Plains and Southeast U.S. into next week. There is potential for record-tying/breaking temperatures with many areas forecast to see their hottest temperatures so far this year. Read More >

Current conditions at

WY28 - South Pass (KSOU)

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

NA

57°F

14°C

Humidity 53%
Wind Speed WSW 7 MPH
Barometer NA
Dewpoint 40°F (4°C)
Visibility 1.24 mi
Last update 12 Aug 11:26 PM MDT
Extended Forecast for

21 Miles ESE Boulder WY

  • Tonight

    Tonight: A chance of showers before 2am, then a chance of showers after 4am.  Patchy smoke. Mostly cloudy, with a low around 48. Southeast wind around 6 mph becoming light and variable  after midnight.  Chance of precipitation is 30%.

    Low: 48 °F

    Chance
    Showers

  • Thursday

    Thursday: A chance of showers and thunderstorms, then showers and possibly a thunderstorm after 2pm.  Patchy smoke between 10am and 2pm. High near 66. Light and variable wind becoming south 5 to 10 mph in the morning.  Chance of precipitation is 90%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    High: 66 °F

    Chance
    Showers then
    Showers

  • Thursday Night

    Thursday Night: A chance of showers and thunderstorms before midnight, then a slight chance of showers between midnight and 2am.  Mostly cloudy, with a low around 45. West northwest wind 5 to 9 mph becoming calm  in the evening.  Chance of precipitation is 50%.

    Low: 45 °F

    Chance
    Showers then
    Slight Chance
    Showers

  • Friday

    Friday: A slight chance of showers and thunderstorms before 1pm, then a chance of showers and thunderstorms after 3pm.  Partly sunny, with a high near 66. Breezy, with a light west southwest wind increasing to 10 to 15 mph in the morning. Winds could gust as high as 26 mph.  Chance of precipitation is 40%.

    High: 66 °F

    Partly Sunny
    then Chance
    T-storms and
    Breezy

  • Friday Night

    Friday Night: A 10 percent chance of showers and thunderstorms before 9pm.  Mostly cloudy, with a low around 45. West southwest wind 9 to 14 mph becoming light and variable  in the evening. Winds could gust as high as 24 mph.

    Low: 45 °F

    Slight Chance
    T-storms then
    Mostly Cloudy

  • Saturday

    Saturday: A 20 percent chance of showers and thunderstorms after noon.  Mostly sunny, with a high near 67. Light and variable wind becoming west southwest 9 to 14 mph in the morning. Winds could gust as high as 24 mph.

    High: 67 °F

    Mostly Sunny
    then Slight
    Chance
    T-storms

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 44. West wind 8 to 13 mph becoming light and variable  after midnight. Winds could gust as high as 22 mph.

    Low: 44 °F

    Partly Cloudy

  • Sunday

    Sunday: Sunny, with a high near 69.

    High: 69 °F

    Sunny

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 46.

    Low: 46 °F

    Partly Cloudy

Detailed Forecast

Tonight
A chance of showers before 2am, then a chance of showers after 4am. Patchy smoke. Mostly cloudy, with a low around 48. Southeast wind around 6 mph becoming light and variable after midnight. Chance of precipitation is 30%.
Thursday
A chance of showers and thunderstorms, then showers and possibly a thunderstorm after 2pm. Patchy smoke between 10am and 2pm. High near 66. Light and variable wind becoming south 5 to 10 mph in the morning. Chance of precipitation is 90%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Thursday Night
A chance of showers and thunderstorms before midnight, then a slight chance of showers between midnight and 2am. Mostly cloudy, with a low around 45. West northwest wind 5 to 9 mph becoming calm in the evening. Chance of precipitation is 50%.
Friday
A slight chance of showers and thunderstorms before 1pm, then a chance of showers and thunderstorms after 3pm. Partly sunny, with a high near 66. Breezy, with a light west southwest wind increasing to 10 to 15 mph in the morning. Winds could gust as high as 26 mph. Chance of precipitation is 40%.
Friday Night
A 10 percent chance of showers and thunderstorms before 9pm. Mostly cloudy, with a low around 45. West southwest wind 9 to 14 mph becoming light and variable in the evening. Winds could gust as high as 24 mph.
Saturday
A 20 percent chance of showers and thunderstorms after noon. Mostly sunny, with a high near 67. Light and variable wind becoming west southwest 9 to 14 mph in the morning. Winds could gust as high as 24 mph.
Saturday Night
Partly cloudy, with a low around 44. West wind 8 to 13 mph becoming light and variable after midnight. Winds could gust as high as 22 mph.
Sunday
Sunny, with a high near 69.
Sunday Night
Partly cloudy, with a low around 46.
Monday
Mostly sunny, with a high near 71.
Monday Night
Mostly cloudy, with a low around 48.
Tuesday
A slight chance of showers and thunderstorms. Mostly sunny, with a high near 71. Breezy.
Tuesday Night
A slight chance of showers and thunderstorms. Mostly cloudy, with a low around 48.
Wednesday
A slight chance of showers and thunderstorms. Mostly sunny, with a high near 72. Breezy.
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ABOUT THIS FORECAST

 
Point Forecast:
21 Miles ESE Boulder WY
 42.58°N 109.27°W (Elev. 7936 ft)
11:01 pm MDT Aug 12, 2026
11pm MDT Aug 12, 2026-6pm MDT Aug 19, 2026
 
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Additional Resources

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