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

Hazardous Weather Conditions

Current conditions at

Jefferson City, Jefferson City Memorial Airport (KJEF)

Lat: 38.59°NLon: 92.16°WElev: 548ft.

Fair

78°F

26°C

Humidity 76%
Wind Speed Calm
Barometer 30.00 in (1014.3 mb)
Dewpoint 70°F (21°C)
Visibility 10.00 mi
Heat Index80°F (27°C)
Last update 15 Sep 6:53 am CDT
Extended Forecast for

Jefferson City MO

Heat Advisory September 15, 11:00am until September 15, 07:00pm
Click here for hazard details and duration
Heat Advisory

  • Today

    Today: A 50 percent chance of showers and thunderstorms after 3pm. Increasing clouds and hot, with a high near 98. Heat index values as high as 106. South wind 5 to 9 mph becoming southwest in the afternoon. Winds could gust as high as 20 mph.

    High: 98 °F

    Sunny then
    Chance
    T-storms

  • Tonight

    Tonight: A 50 percent chance of showers and thunderstorms, mainly after 4am. Mostly cloudy, with a low around 71. East wind around 5 mph becoming light and variable after midnight.

    Low: 71 °F

    Chance
    T-storms

  • Wednesday

    Wednesday: A chance of showers and thunderstorms before 7am, then a slight chance of showers and thunderstorms after 5pm. Mostly cloudy, then gradually becoming sunny, with a high near 96. Heat index values as high as 104. Light and variable wind becoming east around 6 mph in the morning. Chance of precipitation is 30%.

    High: 96 °F

    Chance
    T-storms then
    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 74. Light south wind.

    Low: 74 °F

    Mostly Clear

  • Thursday

    Thursday: Sunny, with a high near 96. Light and variable wind.

    High: 96 °F

    Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 72.

    Low: 72 °F

    Mostly Clear

  • Friday

    Friday: Sunny, with a high near 95.

    High: 95 °F

    Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 72.

    Low: 72 °F

    Mostly Clear

  • Saturday

    Saturday: A 20 percent chance of showers and thunderstorms. Mostly sunny, with a high near 92.

    High: 92 °F

    Slight Chance
    T-storms

Detailed Forecast

Today
A 50 percent chance of showers and thunderstorms after 3pm. Increasing clouds and hot, with a high near 98. Heat index values as high as 106. South wind 5 to 9 mph becoming southwest in the afternoon. Winds could gust as high as 20 mph.
Tonight
A 50 percent chance of showers and thunderstorms, mainly after 4am. Mostly cloudy, with a low around 71. East wind around 5 mph becoming light and variable after midnight.
Wednesday
A chance of showers and thunderstorms before 7am, then a slight chance of showers and thunderstorms after 5pm. Mostly cloudy, then gradually becoming sunny, with a high near 96. Heat index values as high as 104. Light and variable wind becoming east around 6 mph in the morning. Chance of precipitation is 30%.
Wednesday Night
Mostly clear, with a low around 74. Light south wind.
Thursday
Sunny, with a high near 96. Light and variable wind.
Thursday Night
Mostly clear, with a low around 72.
Friday
Sunny, with a high near 95.
Friday Night
Mostly clear, with a low around 72.
Saturday
A 20 percent chance of showers and thunderstorms. Mostly sunny, with a high near 92.
Saturday Night
A 40 percent chance of showers and thunderstorms, mainly after 1am. Partly cloudy, with a low around 67.
Sunday
A 40 percent chance of showers and thunderstorms. Partly sunny, with a high near 81.
Sunday Night
A 30 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 61.
Monday
Partly sunny, with a high near 76.
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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:
5:41 am CDT Sep 15, 2026
Forecast Valid:
7am CDT Sep 15, 2026-6pm CDT Sep 21, 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