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 >

Current conditions at

Jefferson City, Jefferson City Memorial Airport (KJEF)

Lat: 38.59°NLon: 92.16°WElev: 548ft.

Fair

81°F

27°C

Humidity 72%
Wind Speed S 6 mph
Barometer 30.22 in (1021.9 mb)
Dewpoint 71°F (22°C)
Visibility 10.00 mi
Heat Index85°F (29°C)
Last update 17 Sep 8:53 am CDT
Extended Forecast for

Jefferson City MO

Heat Advisory September 17, 09:17am until September 19, 08:00pm
Click here for hazard details and duration
Heat Advisory
  •  
    Heat Advisory September 17, 09:17am until September 19, 08:00pm

    NOW until 8:00pm Sat

    Heat Advisory

  • Today

    High: 97 °F

    Hot

  • Tonight

    Tonight: Mostly clear, with a low around 72. Light and variable wind.

    Low: 72 °F

    Mostly Clear

  • Friday

    Friday: Sunny and hot, with a high near 97. Heat index values as high as 104. Calm wind becoming south around 5 mph.

    High: 97 °F

    Hot

  • Friday Night

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

    Low: 73 °F

    Mostly Clear

  • Saturday

    Saturday: Sunny, with a high near 96. Southwest wind 3 to 8 mph.

    High: 96 °F

    Sunny

  • Saturday Night

    Saturday Night: A 20 percent chance of showers after 1am.  Partly cloudy, with a low around 71.

    Low: 71 °F

    Mostly Clear
    then Slight
    Chance
    Showers

  • Sunday

    Sunday: A 20 percent chance of showers.  Mostly sunny, with a high near 90.

    High: 90 °F

    Slight Chance
    Showers

  • Sunday Night

    Sunday Night: A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 1am.  Mostly cloudy, with a low around 67. Chance of precipitation is 60%.

    Low: 67 °F

    Showers
    Likely

Detailed Forecast

Today
Sunny and hot, with a high near 97. Heat index values as high as 105. West wind 5 to 7 mph.
Tonight
Mostly clear, with a low around 72. Light and variable wind.
Friday
Sunny and hot, with a high near 97. Heat index values as high as 104. Calm wind becoming south around 5 mph.
Friday Night
Mostly clear, with a low around 73. Calm wind.
Saturday
Sunny, with a high near 96. Southwest wind 3 to 8 mph.
Saturday Night
A 20 percent chance of showers after 1am. Partly cloudy, with a low around 71.
Sunday
A 20 percent chance of showers. Mostly sunny, with a high near 90.
Sunday Night
A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 1am. Mostly cloudy, with a low around 67. Chance of precipitation is 60%.
Monday
Showers likely and possibly a thunderstorm before 1pm, then a chance of showers and thunderstorms after 1pm. Mostly cloudy, with a high near 81. Chance of precipitation is 60%.
Monday Night
A 30 percent chance of showers. Mostly cloudy, with a low around 62.
Tuesday
A 20 percent chance of showers. Mostly sunny, with a high near 77.
Tuesday Night
Partly cloudy, with a low around 60.
Wednesday
Mostly sunny, with a high near 80.
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ABOUT THIS FORECAST

 
Point Forecast:
Jefferson City MO
 38.57°N 92.16°W (Elev. 699 ft)
5:46 am CDT Sep 17, 2026
9am CDT Sep 17, 2026-6pm CDT Sep 23, 2026
 
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Additional Resources

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