Thunderstorms and Heavy Rain in the Mid-South; Heat Continues in the Southeast and Southwest

Severe thunderstorms and heavy rain are expected across portions of the mid-Mississippi Valley into the Ohio Valley and portions of Arizona. Dangerous heat persists in the South and Southeast while building into the Southwest. Overnight lows will be so warm that, when combined with oppressive dew points, little-to-no relief from the scorching daytime highs will be available. Read More >

Hazardous Weather Conditions

Current conditions at

Chillicothe, Chillicothe Agri-Science Center (KCDJ)

Lat: 39.82°NLon: 93.58°WElev: 768ft.

72°F

22°C

Humidity 94%
Wind Speed Calm
Barometer 29.95 in (1013.2 mb)
Dewpoint 70°F (21°C)
Visibility NA
Last update 18 Aug 11:51 pm CDT
Extended Forecast for

5 Miles E Mendon MO

  • Overnight

    Overnight: Showers and thunderstorms likely, then showers and possibly a thunderstorm after 3am.  Low around 67. Light and variable wind becoming east southeast around 6 mph.  Chance of precipitation is 80%. New rainfall amounts between a half and three quarters of an inch possible.

    Low: 67 °F

    Showers

  • Wednesday

    Wednesday: A chance of showers and thunderstorms before 1pm, then a slight chance of showers and thunderstorms after 5pm.  Cloudy, then gradually becoming mostly sunny, with a high near 81. East southeast wind around 6 mph becoming north northeast in the morning.  Chance of precipitation is 30%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    High: 81 °F

    Chance
    Showers then
    Slight Chance
    T-storms

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 64. Northeast wind 3 to 6 mph.

    Low: 64 °F

    Partly Cloudy

  • Thursday

    Thursday: Cloudy through mid morning, then gradual clearing, with a high near 82. East northeast wind 3 to 6 mph.

    High: 82 °F

    Gradual
    Clearing

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 64. Calm wind.

    Low: 64 °F

    Mostly Clear

  • Friday

    Friday: Sunny, with a high near 85.

    High: 85 °F

    Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 66.

    Low: 66 °F

    Mostly Clear

  • Saturday

    Saturday: Sunny, with a high near 85.

    High: 85 °F

    Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 64.

    Low: 64 °F

    Mostly Clear

Detailed Forecast

Overnight
Showers and thunderstorms likely, then showers and possibly a thunderstorm after 3am. Low around 67. Light and variable wind becoming east southeast around 6 mph. Chance of precipitation is 80%. New rainfall amounts between a half and three quarters of an inch possible.
Wednesday
A chance of showers and thunderstorms before 1pm, then a slight chance of showers and thunderstorms after 5pm. Cloudy, then gradually becoming mostly sunny, with a high near 81. East southeast wind around 6 mph becoming north northeast in the morning. Chance of precipitation is 30%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Wednesday Night
Partly cloudy, with a low around 64. Northeast wind 3 to 6 mph.
Thursday
Cloudy through mid morning, then gradual clearing, with a high near 82. East northeast wind 3 to 6 mph.
Thursday Night
Mostly clear, with a low around 64. Calm wind.
Friday
Sunny, with a high near 85.
Friday Night
Mostly clear, with a low around 66.
Saturday
Sunny, with a high near 85.
Saturday Night
Mostly clear, with a low around 64.
Sunday
Mostly sunny, with a high near 82.
Sunday Night
A chance of showers. Mostly cloudy, with a low around 66. Chance of precipitation is 30%.
Monday
Mostly sunny, with a high near 86.
Monday Night
Partly cloudy, with a low around 67.
Tuesday
Mostly sunny, with a high near 86.
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ABOUT THIS FORECAST

 
Point Forecast:
5 Miles E Mendon MO
 39.58°N 93.02°W (Elev. 801 ft)
10:01 pm CDT Aug 18, 2026
12am CDT Aug 19, 2026-6pm CDT Aug 25, 2026
 
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Additional Resources

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