National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

Excessive Rainfall Potential for the Southeast; Heat Expands for Center of the Nation; Critical Fire Weather for Pacific Northwest

Flash flooding threatens areas from the Tennessee Valley to the Carolinas as storms repeat along a stalled front. Monsoonal storms may trigger flooding in the Southwest. Dangerous heat expands across the Desert Southwest, Plains, mid-Mississippi Valley and Southern Tier. Critical fire weather for interior Pacific Northwest. Cooler, drier air brings brief relief to the Great Lakes and Northeast. Read More >

Hazardous Weather Conditions

Current conditions at

Chillicothe, Chillicothe Agri-Science Center (KCDJ)

Lat: 39.82°NLon: 93.58°WElev: 768ft.

88°F

31°C

Humidity 75%
Wind Speed Vrbl 3 mph
Barometer 29.98 in (1013.7 mb)
Dewpoint 79°F (26°C)
Visibility NA
Heat Index103°F (39°C)
Last update 25 Jul 12:51 pm CDT
Extended Forecast for

Brimson MO

Heat Advisory July 26, 01:00pm until July 27, 08:00pm
Click here for hazard details and duration
Heat Advisory

  • This Afternoon

    This Afternoon: Mostly sunny, with a high near 91. Heat index values as high as 105. West southwest wind around 6 mph.

    High: 91 °F

    Mostly Sunny

  • Tonight

    Tonight: Increasing clouds, with a low around 74. Light south southwest wind.

    Low: 74 °F

    Increasing
    Clouds

  • Sunday

    Sunday: Sunny, with a high near 96. Heat index values as high as 110. Light south southwest wind increasing to 5 to 10 mph in the morning. Winds could gust as high as 18 mph.

    High: 96 °F

    Sunny

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 77. South wind around 8 mph.

    Low: 77 °F

    Partly Cloudy

  • Monday

    Monday: Sunny, with a high near 96. South southwest wind 8 to 10 mph, with gusts as high as 18 mph.

    High: 96 °F

    Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 74.

    Low: 74 °F

    Mostly Clear

  • Tuesday

    Tuesday: Mostly sunny, with a high near 92.

    High: 92 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 70.

    Low: 70 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Sunny, with a high near 92.

    High: 92 °F

    Sunny

Detailed Forecast

This Afternoon
Mostly sunny, with a high near 91. Heat index values as high as 105. West southwest wind around 6 mph.
Tonight
Increasing clouds, with a low around 74. Light south southwest wind.
Sunday
Sunny, with a high near 96. Heat index values as high as 110. Light south southwest wind increasing to 5 to 10 mph in the morning. Winds could gust as high as 18 mph.
Sunday Night
Partly cloudy, with a low around 77. South wind around 8 mph.
Monday
Sunny, with a high near 96. South southwest wind 8 to 10 mph, with gusts as high as 18 mph.
Monday Night
Mostly clear, with a low around 74.
Tuesday
Mostly sunny, with a high near 92.
Tuesday Night
Partly cloudy, with a low around 70.
Wednesday
Sunny, with a high near 92.
Wednesday Night
Mostly clear, with a low around 70.
Thursday
Mostly sunny, with a high near 90.
Thursday Night
Partly cloudy, with a low around 70.
Friday
Mostly sunny, with a high near 90.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Brimson MO
 40.16°N 93.73°W (Elev. 764 ft)
Last Update:
12:12 pm CDT Jul 25, 2026
Forecast Valid:
1pm CDT Jul 25, 2026-6pm CDT Jul 31, 2026
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

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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