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

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 >

Hazardous Weather Conditions

Current conditions at

Jefferson City, Jefferson City Memorial Airport (KJEF)

Lat: 38.59°NLon: 92.16°WElev: 548ft.

Fair

79°F

26°C

Humidity 79%
Wind Speed SE 5 mph
Barometer 29.85 in (1009.1 mb)
Dewpoint 72°F (22°C)
Visibility 10.00 mi
Heat Index82°F (28°C)
Last update 12 Aug 3:53 am CDT
Extended Forecast for

Jefferson City MO

Extreme Heat Warning August 12, 04:16am until August 13, 08:00pm
Click here for hazard details and duration
Extreme Heat Warning
  •  
    Extreme Heat Warning August 12, 04:16am until August 13, 08:00pm

    NOW until 8:00pm Thu

    Extreme Heat Warning

  • Today

    High: 99 °F

    Mostly Sunny
    then Slight
    Chance
    T-storms

  • Tonight

    Tonight: Mostly clear, with a low around 78. Light southeast wind.

    Low: 78 °F

    Mostly Clear

  • Thursday

    Thursday: Mostly sunny and hot, with a high near 99. Heat index values as high as 108. Southwest wind 3 to 7 mph.

    High: 99 °F

    Hot

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 78. Light south wind.

    Low: 78 °F

    Mostly Clear

  • Friday

    Friday: Sunny and hot, with a high near 101. Calm wind becoming southwest around 5 mph in the afternoon.

    High: 101 °F

    Hot

  • Friday Night

    Friday Night: Mostly clear, with a low around 79.

    Low: 79 °F

    Mostly Clear

  • Saturday

    Saturday: Sunny and hot, with a high near 102.

    High: 102 °F

    Hot

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 78.

    Low: 78 °F

    Mostly Clear

Detailed Forecast

Today
A slight chance of showers and thunderstorms between noon and 1pm. Mostly sunny and hot, with a high near 99. Heat index values as high as 109. Southwest wind 3 to 6 mph. Chance of precipitation is 20%.
Tonight
Mostly clear, with a low around 78. Light southeast wind.
Thursday
Mostly sunny and hot, with a high near 99. Heat index values as high as 108. Southwest wind 3 to 7 mph.
Thursday Night
Mostly clear, with a low around 78. Light south wind.
Friday
Sunny and hot, with a high near 101. Calm wind becoming southwest around 5 mph in the afternoon.
Friday Night
Mostly clear, with a low around 79.
Saturday
Sunny and hot, with a high near 102.
Saturday Night
Mostly clear, with a low around 78.
Sunday
Sunny and hot, with a high near 99.
Sunday Night
A 30 percent chance of showers and thunderstorms after 1am. Partly cloudy, with a low around 74.
Monday
A 20 percent chance of showers and thunderstorms. Partly sunny, with a high near 89.
Monday Night
A 20 percent chance of showers. Partly cloudy, with a low around 71.
Tuesday
Mostly sunny, with a high near 91.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Jefferson City MO
 38.57°N 92.19°W (Elev. 692 ft)
Last Update:
1:51 am CDT Aug 12, 2026
Forecast Valid:
4am CDT Aug 12, 2026-6pm CDT Aug 18, 2026
 
Forecast Discussion
 
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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