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

St. Louis Lambert International Airport (KSTL)

Lat: 38.75°NLon: 90.37°WElev: 604ft.

Mostly Cloudy

65°F

18°C

Humidity 70%
Wind Speed NW 3 mph
Barometer 30.07 in (1017.5 mb)
Dewpoint 55°F (13°C)
Visibility 10.00 mi
Last update 27 Sep 11:51 pm CDT
Extended Forecast for

Jennings MO

  • Overnight

    Overnight: Mostly cloudy, with a low around 57. Light northeast wind.

    Low: 57 °F

    Mostly Cloudy

  • Monday

    Monday: Partly sunny, then gradually becoming sunny, with a high near 78. Light northeast wind.

    High: 78 °F

    Becoming
    Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 56. Calm wind.

    Low: 56 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 84. Calm wind becoming south 5 to 7 mph in the morning.

    High: 84 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 66. South wind around 6 mph.

    Low: 66 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: Partly sunny, with a high near 88.

    High: 88 °F

    Partly Sunny

  • Wednesday Night

    Wednesday Night: A 20 percent chance of showers after 1am. Mostly cloudy, with a low around 72.

    Low: 72 °F

    Mostly Cloudy
    then Slight
    Chance
    Showers

  • Thursday

    Thursday: A chance of showers, then showers likely and possibly a thunderstorm after 1pm. Mostly cloudy, with a high near 83. Chance of precipitation is 60%.

    High: 83 °F

    Showers
    Likely

  • Thursday Night

    Thursday Night: Showers likely, with thunderstorms also possible after 1am. Mostly cloudy, with a low around 64. Chance of precipitation is 70%.

    Low: 64 °F

    Showers
    Likely

Detailed Forecast

Overnight
Mostly cloudy, with a low around 57. Light northeast wind.
Monday
Partly sunny, then gradually becoming sunny, with a high near 78. Light northeast wind.
Monday Night
Mostly clear, with a low around 56. Calm wind.
Tuesday
Sunny, with a high near 84. Calm wind becoming south 5 to 7 mph in the morning.
Tuesday Night
Mostly cloudy, with a low around 66. South wind around 6 mph.
Wednesday
Partly sunny, with a high near 88.
Wednesday Night
A 20 percent chance of showers after 1am. Mostly cloudy, with a low around 72.
Thursday
A chance of showers, then showers likely and possibly a thunderstorm after 1pm. Mostly cloudy, with a high near 83. Chance of precipitation is 60%.
Thursday Night
Showers likely, with thunderstorms also possible after 1am. Mostly cloudy, with a low around 64. Chance of precipitation is 70%.
Friday
A chance of showers, with thunderstorms also possible after 1pm. Mostly cloudy, with a high near 71. Chance of precipitation is 50%.
Friday Night
A 20 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 57.
Saturday
A 20 percent chance of showers and thunderstorms. Mostly sunny, with a high near 70.
Saturday Night
A 20 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 57.
Sunday
A 30 percent chance of showers. Mostly sunny, with a high near 71.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Jennings MO
 38.73°N 90.26°W (Elev. 512 ft)
Last Update:
8:36 pm CDT Sep 27, 2026
Forecast Valid:
12am CDT Sep 28, 2026-6pm CDT Oct 4, 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