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

Hazardous Weather Conditions

Current conditions at

Chillicothe, Chillicothe Agri-Science Center (KCDJ)

Lat: 39.82°NLon: 93.58°WElev: 768ft.

N/A

Humidity NA
Wind Speed NA
Barometer NA
Dewpoint N/A
Visibility NA
Last update *** Not a current observation ***
Extended Forecast for

Sumner MO

Heat Advisory August 17, 01:00pm until August 17, 07:00pm
Heat Advisory August 16, 04:47pm until August 16, 07:00pm
Click here for hazard details and duration
Heat Advisory
...
  •  
    Heat Advisory August 16, 04:47pm until August 16, 07:00pm

    NOW until 7:00pm Sat

    Heat Advisory

  • Tonight

    Low: 73 °F

    Mostly Clear

  • Sunday

    Sunday: Sunny, with a high near 93. Heat index values as high as 102. Calm wind becoming south southwest 5 to 7 mph in the morning.

    High: 93 °F

    Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 73. Light south southeast wind.

    Low: 73 °F

    Mostly Clear

  • Monday

    Monday: Sunny, with a high near 94. Heat index values as high as 102. Calm wind becoming south southwest 5 to 7 mph in the morning.

    High: 94 °F

    Sunny

  • Monday Night

    Monday Night: A chance of showers and thunderstorms after 1am. Partly cloudy, with a low around 73. Calm wind. Chance of precipitation is 30%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    Low: 73 °F

    Partly Cloudy
    then Chance
    T-storms

  • Tuesday

    Tuesday: A chance of showers and thunderstorms, mainly before 1pm. Mostly sunny, with a high near 89. Chance of precipitation is 40%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    High: 89 °F

    Chance
    Showers

  • Tuesday Night

    Tuesday Night: A chance of showers and thunderstorms before 1am. Mostly cloudy, with a low around 68. Chance of precipitation is 30%.

    Low: 68 °F

    Chance
    T-storms

  • Wednesday

    Wednesday: Mostly sunny, with a high near 82.

    High: 82 °F

    Mostly Sunny

Detailed Forecast

Tonight
Mostly clear, with a low around 73. South wind around 6 mph becoming calm in the evening.
Sunday
Sunny, with a high near 93. Heat index values as high as 102. Calm wind becoming south southwest 5 to 7 mph in the morning.
Sunday Night
Mostly clear, with a low around 73. Light south southeast wind.
Monday
Sunny, with a high near 94. Heat index values as high as 102. Calm wind becoming south southwest 5 to 7 mph in the morning.
Monday Night
A chance of showers and thunderstorms after 1am. Partly cloudy, with a low around 73. Calm wind. Chance of precipitation is 30%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Tuesday
A chance of showers and thunderstorms, mainly before 1pm. Mostly sunny, with a high near 89. Chance of precipitation is 40%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Tuesday Night
A chance of showers and thunderstorms before 1am. Mostly cloudy, with a low around 68. Chance of precipitation is 30%.
Wednesday
Mostly sunny, with a high near 82.
Wednesday Night
Mostly clear, with a low around 63.
Thursday
Sunny, with a high near 82.
Thursday Night
Clear, with a low around 62.
Friday
Sunny, with a high near 84.
Friday Night
Mostly clear, with a low around 63.
Saturday
Sunny, with a high near 85.
Basemap Options
Click map to change the forecast location
Loading map...
Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Sumner MO
 39.65°N 93.25°W (Elev. 659 ft)
Last Update:
4:26 pm CDT Aug 16, 2025
Forecast Valid:
4pm CDT Aug 16, 2025-6pm CDT Aug 23, 2025
 
Forecast Discussion
 
Get as KML Get as XML

Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

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