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

Areas of Dangerous Heat and Heavy Rain with Possible Flooding into this Weekend

Hot temperatures and high humidity are forecast to continue across much of northeast Texas into the mid-Mississippi Valley into this weekend with heat advisories in effect. Heavy to excessive rainfall occurring at times through Saturday could bring areas of flooding across parts of the central Plains into the upper Midwest/Great Lakes, and Four Corners states. Read More >

Hazardous Weather Conditions

Current conditions at

Jefferson City, Jefferson City Memorial Airport (KJEF)

Lat: 38.59°NLon: 92.16°WElev: 548ft.

Fair

76°F

24°C

Humidity 88%
Wind Speed SE 3 mph
Barometer 30.20 in (1021.0 mb)
Dewpoint 72°F (22°C)
Visibility 10.00 mi
Heat Index76°F (24°C)
Last update 16 Sep 9:53 pm CDT
Extended Forecast for

3 Miles E Hartsburg MO

Heat Advisory September 16, 10:45pm until September 18, 08:00pm
Click here for hazard details and duration
Heat Advisory
  •  
    Heat Advisory September 16, 10:45pm until September 18, 08:00pm

    NOW until 8:00pm Fri

    Heat Advisory

  • Tonight

    Low: 73 °F

    Mostly Clear

  • Thursday

    Thursday: Sunny, with a high near 96. Heat index values as high as 104. Light and variable wind becoming west 5 to 7 mph in the morning.

    High: 96 °F

    Sunny

  • Thursday Night

    Thursday Night: Clear, with a low around 72. Light southeast wind.

    Low: 72 °F

    Clear

  • Friday

    Friday: Sunny, with a high near 95. Heat index values as high as 100. Light and variable wind.

    High: 95 °F

    Sunny

  • Friday Night

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

    Low: 73 °F

    Mostly Clear

  • Saturday

    Saturday: Mostly sunny, with a high near 95.

    High: 95 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: A 40 percent chance of showers and thunderstorms, mainly after 1am. Partly cloudy, with a low around 70.

    Low: 70 °F

    Slight Chance
    T-storms then
    Chance
    Showers

  • Sunday

    Sunday: A 30 percent chance of showers. Partly sunny, with a high near 89.

    High: 89 °F

    Chance
    Showers

Detailed Forecast

Tonight
Mostly clear, with a low around 73. South wind 3 to 5 mph.
Thursday
Sunny, with a high near 96. Heat index values as high as 104. Light and variable wind becoming west 5 to 7 mph in the morning.
Thursday Night
Clear, with a low around 72. Light southeast wind.
Friday
Sunny, with a high near 95. Heat index values as high as 100. Light and variable wind.
Friday Night
Mostly clear, with a low around 73. Light south wind.
Saturday
Mostly sunny, with a high near 95.
Saturday Night
A 40 percent chance of showers and thunderstorms, mainly after 1am. Partly cloudy, with a low around 70.
Sunday
A 30 percent chance of showers. Partly sunny, with a high near 89.
Sunday Night
A 50 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 67.
Monday
A chance of showers, with thunderstorms also possible after 1pm. Mostly cloudy, with a high near 81. Chance of precipitation is 40%.
Monday Night
A 20 percent chance of showers. Partly cloudy, with a low around 63.
Tuesday
A 20 percent chance of showers. Partly sunny, with a high near 78.
Tuesday Night
Partly cloudy, with a low around 61.
Wednesday
A 20 percent chance of showers. Mostly sunny, with a high near 80.
Basemap Options
Click map to change the forecast location
Loading map...
Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
3 Miles E Hartsburg MO
 38.69°N 92.25°W (Elev. 797 ft)
Last Update:
6:06 pm CDT Sep 16, 2026
Forecast Valid:
10pm CDT Sep 16, 2026-6pm CDT Sep 23, 2026
 
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