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.

Overcast

75°F

24°C

Humidity 90%
Wind Speed S 6 mph
Barometer 29.92 in (1012.2 mb)
Dewpoint 72°F (22°C)
Visibility 10.00 mi
Last update 26 Jun 10:51 pm CDT
Extended Forecast for

University City MO

  • Tonight

    Tonight: A chance of showers and thunderstorms before 4am, then a slight chance of showers. Patchy fog after 3am. Otherwise, mostly cloudy, with a low around 68. South wind around 5 mph becoming calm after midnight. Chance of precipitation is 40%.

    Low: 68 °F

    Chance
    T-storms and
    Patchy Fog

  • Saturday

    Saturday: A 30 percent chance of showers and thunderstorms, mainly between 8am and 10am. Patchy fog before 8am. Otherwise, mostly cloudy, with a high near 84. Calm wind becoming southwest 5 to 7 mph in the morning.

    High: 84 °F

    Chance
    Showers and
    Patchy Fog
    then Slight
    Chance
    T-storms

  • Saturday Night

    Saturday Night: A 30 percent chance of showers and thunderstorms, mainly before 2am. Mostly cloudy, with a low around 73. Southeast wind around 7 mph.

    Low: 73 °F

    Chance
    T-storms

  • Sunday

    Sunday: Mostly sunny, with a high near 94. Heat index values as high as 109. South wind 6 to 9 mph.

    High: 94 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 76. South wind 5 to 9 mph.

    Low: 76 °F

    Mostly Clear

  • Monday

    Monday: Sunny, with a high near 96.

    High: 96 °F

    Sunny

  • Monday Night

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

    Low: 78 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny and hot, with a high near 97.

    High: 97 °F

    Hot

  • Tuesday Night

    Tuesday Night: Clear, with a low around 78.

    Low: 78 °F

    Clear

Detailed Forecast

Tonight
A chance of showers and thunderstorms before 4am, then a slight chance of showers. Patchy fog after 3am. Otherwise, mostly cloudy, with a low around 68. South wind around 5 mph becoming calm after midnight. Chance of precipitation is 40%.
Saturday
A 30 percent chance of showers and thunderstorms, mainly between 8am and 10am. Patchy fog before 8am. Otherwise, mostly cloudy, with a high near 84. Calm wind becoming southwest 5 to 7 mph in the morning.
Saturday Night
A 30 percent chance of showers and thunderstorms, mainly before 2am. Mostly cloudy, with a low around 73. Southeast wind around 7 mph.
Sunday
Mostly sunny, with a high near 94. Heat index values as high as 109. South wind 6 to 9 mph.
Sunday Night
Mostly clear, with a low around 76. South wind 5 to 9 mph.
Monday
Sunny, with a high near 96.
Monday Night
Mostly clear, with a low around 78.
Tuesday
Sunny and hot, with a high near 97.
Tuesday Night
Clear, with a low around 78.
Wednesday
Sunny and hot, with a high near 97.
Wednesday Night
Mostly clear, with a low around 78.
Thursday
Sunny and hot, with a high near 97.
Thursday Night
Mostly clear, with a low around 78.
Friday
A 40 percent chance of showers and thunderstorms. Sunny, with a high near 96.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
University City MO
 38.67°N 90.34°W (Elev. 577 ft)
Last Update:
10:31 pm CDT Jun 26, 2026
Forecast Valid:
11pm CDT Jun 26, 2026-6pm CDT Jul 3, 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