Current conditions at

St. Louis Lambert International Airport (KSTL)

Lat: 38.75°NLon: 90.37°WElev: 604ft.

A Few Clouds

82°F

28°C

Humidity 56%
Wind Speed Vrbl 5 mph
Barometer 30.04 in (1016.0 mb)
Dewpoint 65°F (18°C)
Visibility 10.00 mi
Heat Index84°F (29°C)
Last update 19 Jun 11:51 am CDT
Extended Forecast for

Saint Ann MO

Extreme Heat Watch June 21, 12:00pm until June 24, 09:00pm
Click here for hazard details and duration
Extreme Heat Watch
  • Juneteenth

    Juneteenth: Sunny, with a high near 86. West wind around 7 mph.

    High: 86 °F

    Sunny

  • Tonight

    Tonight: Clear, with a low around 69. West wind around 6 mph becoming light and variable  in the evening.

    Low: 69 °F

    Clear

  • Friday

    Friday: Sunny, with a high near 93. South wind 5 to 11 mph.

    High: 93 °F

    Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 78. South wind around 11 mph, with gusts as high as 20 mph.

    Low: 78 °F

    Mostly Clear

  • Saturday

    Saturday: Sunny and hot, with a high near 97. Southwest wind 9 to 11 mph, with gusts as high as 22 mph.

    High: 97 °F

    Hot

  • Saturday Night

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

    Low: 78 °F

    Mostly Clear

  • Sunday

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

    High: 97 °F

    Hot

  • Sunday Night

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

    Low: 78 °F

    Mostly Clear

  • Monday

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

    High: 97 °F

    Hot

Detailed Forecast

Juneteenth
Sunny, with a high near 86. West wind around 7 mph.
Tonight
Clear, with a low around 69. West wind around 6 mph becoming light and variable in the evening.
Friday
Sunny, with a high near 93. South wind 5 to 11 mph.
Friday Night
Mostly clear, with a low around 78. South wind around 11 mph, with gusts as high as 20 mph.
Saturday
Sunny and hot, with a high near 97. Southwest wind 9 to 11 mph, with gusts as high as 22 mph.
Saturday Night
Mostly clear, with a low around 78.
Sunday
Sunny and hot, with a high near 97.
Sunday Night
Mostly clear, with a low around 78.
Monday
Sunny and hot, with a high near 97.
Monday Night
Partly cloudy, with a low around 78.
Tuesday
A 20 percent chance of showers and thunderstorms. Mostly sunny, with a high near 95.
Tuesday Night
Partly cloudy, with a low around 76.
Wednesday
A 20 percent chance of showers and thunderstorms. Mostly sunny, with a high near 94.
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ABOUT THIS FORECAST

 
Point Forecast:
Saint Ann MO
 38.73°N 90.4°W (Elev. 597 ft)
11:52 am CDT Jun 19, 2025
11am CDT Jun 19, 2025-6pm CDT Jun 25, 2025
 
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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