Severe Weather and Heavy Rainfall in the Ohio Valley; Heat Continuing in the South and Southeast

Severe thunderstorms with damaging wind gusts will be possible from the mid-Mississippi Valley into parts of the Ohio Valley and central Appalachians tonight. Heavy rain associated with these storms may lead to considerable flash and urban flooding impacts across portions of the Ohio Valley. Mid-summer heat persists from the Central Plains to the Southeast. Read More >

Current conditions at

I80/US30 - Peru Hill (KCMS)

Lat: 41.54958°NLon: 109.60197°WElev: 6407.0ft.

NA

77°F

25°C

Humidity 26%
Wind Speed W 1 MPH
Barometer NA
Dewpoint 39°F (4°C)
Visibility 1.24 mi
Heat Index77°F (25°C)
Last update 11 Aug 08:42 PM MDT
Extended Forecast for

5 Miles NW Green River WY

Red Flag Warning until August 11, 09:00pm
Click here for hazard details and duration
...
  •  
    Red Flag Warning until August 11, 09:00pm

    NOW until 9:00pm Tue

    Red Flag Warning

  • Tonight

    Low: 56 °F

    Slight Chance
    T-storms then
    Slight Chance
    Showers

  • Wednesday

    Wednesday: Scattered showers and thunderstorms, mainly between 3pm and 5pm.  Patchy smoke. Partly sunny, with a high near 85. Calm wind becoming west northwest 5 to 9 mph in the morning.  Chance of precipitation is 30%.

    High: 85 °F

    Patchy Smoke
    then
    Scattered
    T-storms

  • Wednesday Night

    Wednesday Night: A chance of showers and thunderstorms before 1am, then a slight chance of showers between 1am and 4am.  Areas of smoke before midnight. Mostly cloudy, with a low around 52. Southwest wind 5 to 9 mph becoming calm  in the evening.  Chance of precipitation is 30%.

    Low: 52 °F

    Chance
    Showers

  • Thursday

    Thursday: A slight chance of showers, then showers likely and possibly a thunderstorm after noon.  Partly sunny, with a high near 78. Light and variable wind becoming west southwest 6 to 11 mph in the afternoon. Winds could gust as high as 21 mph.  Chance of precipitation is 70%.

    High: 78 °F

    Slight Chance
    Showers then
    Showers
    Likely

  • Thursday Night

    Thursday Night: A 40 percent chance of showers and thunderstorms before midnight.  Mostly cloudy, with a low around 45. West wind 5 to 10 mph becoming light southwest  in the evening. Winds could gust as high as 20 mph.

    Low: 45 °F

    Chance
    T-storms then
    Mostly Cloudy

  • Friday

    Friday: A 30 percent chance of showers and thunderstorms after noon.  Partly sunny, with a high near 78. Light west southwest wind increasing to 5 to 10 mph in the morning. Winds could gust as high as 22 mph.

    High: 78 °F

    Partly Sunny
    then Chance
    T-storms

  • Friday Night

    Friday Night: A slight chance of showers and thunderstorms.  Mostly cloudy, with a low around 43. West southwest wind 5 to 8 mph becoming calm  after midnight.  Chance of precipitation is 20%.

    Low: 43 °F

    Slight Chance
    T-storms then
    Slight Chance
    Showers

  • Saturday

    Saturday: A 10 percent chance of showers and thunderstorms after noon.  Mostly sunny, with a high near 79.

    High: 79 °F

    Mostly Sunny
    then Slight
    Chance
    T-storms

Detailed Forecast

Tonight
A slight chance of showers and thunderstorms before 1am, then isolated showers after 5am. Patchy smoke. Mostly cloudy, with a low around 56. South wind 5 to 10 mph becoming light and variable after midnight. Chance of precipitation is 20%.
Wednesday
Scattered showers and thunderstorms, mainly between 3pm and 5pm. Patchy smoke. Partly sunny, with a high near 85. Calm wind becoming west northwest 5 to 9 mph in the morning. Chance of precipitation is 30%.
Wednesday Night
A chance of showers and thunderstorms before 1am, then a slight chance of showers between 1am and 4am. Areas of smoke before midnight. Mostly cloudy, with a low around 52. Southwest wind 5 to 9 mph becoming calm in the evening. Chance of precipitation is 30%.
Thursday
A slight chance of showers, then showers likely and possibly a thunderstorm after noon. Partly sunny, with a high near 78. Light and variable wind becoming west southwest 6 to 11 mph in the afternoon. Winds could gust as high as 21 mph. Chance of precipitation is 70%.
Thursday Night
A 40 percent chance of showers and thunderstorms before midnight. Mostly cloudy, with a low around 45. West wind 5 to 10 mph becoming light southwest in the evening. Winds could gust as high as 20 mph.
Friday
A 30 percent chance of showers and thunderstorms after noon. Partly sunny, with a high near 78. Light west southwest wind increasing to 5 to 10 mph in the morning. Winds could gust as high as 22 mph.
Friday Night
A slight chance of showers and thunderstorms. Mostly cloudy, with a low around 43. West southwest wind 5 to 8 mph becoming calm after midnight. Chance of precipitation is 20%.
Saturday
A 10 percent chance of showers and thunderstorms after noon. Mostly sunny, with a high near 79.
Saturday Night
Partly cloudy, with a low around 44.
Sunday
Mostly sunny, with a high near 82.
Sunday Night
Partly cloudy, with a low around 47.
Monday
Mostly sunny, with a high near 84.
Monday Night
Partly cloudy, with a low around 50.
Tuesday
A slight chance of showers and thunderstorms. Mostly sunny, with a high near 85.
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ABOUT THIS FORECAST

 
Point Forecast:
5 Miles NW Green River WY
 41.58°N 109.54°W (Elev. 6188 ft)
6:47 pm MDT Aug 11, 2026
8pm MDT Aug 11, 2026-6pm MDT Aug 18, 2026
 
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Additional Resources

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Hourly Weather Forecast

National Digital Forecast Database