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

Hazardous Weather Conditions

Current conditions at

St. Louis Lambert International Airport (KSTL)

Lat: 38.75°NLon: 90.37°WElev: 604ft.

Light Rain

70°F

21°C

Humidity 73%
Wind Speed Calm
Barometer 30.16 in (1020.6 mb)
Dewpoint 61°F (16°C)
Visibility 6.00 mi
Last update 24 Jul 10:51 am CDT
Extended Forecast for

2 Miles WNW Sauget IL

Extreme Heat Watch July 26, 11:00am until July 28, 07:00pm
Click here for hazard details and duration
Extreme Heat Watch

  • Today

    Today: Showers likely, with thunderstorms also possible after 4pm. Cloudy, with a high near 79. Light south wind. Chance of precipitation is 60%.

    High: 79 °F

    Showers
    Likely

  • Tonight

    Tonight: Scattered showers and thunderstorms. Cloudy, with a low around 70. East wind around 5 mph becoming calm in the evening. Chance of precipitation is 50%.

    Low: 70 °F

    Scattered
    Showers

  • Saturday

    Saturday: Scattered showers and thunderstorms before noon, then isolated showers between noon and 1pm. Cloudy, then gradually becoming mostly sunny, with a high near 86. South wind 3 to 6 mph. Chance of precipitation is 50%.

    High: 86 °F

    Scattered
    T-storms then
    Isolated
    Showers

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 73. Light southeast wind.

    Low: 73 °F

    Partly Cloudy

  • Sunday

    Sunday: Mostly sunny, with a high near 96. Light southwest wind.

    High: 96 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 77.

    Low: 77 °F

    Mostly Clear

  • Monday

    Monday: Mostly sunny and hot, with a high near 99.

    High: 99 °F

    Hot

  • 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

Detailed Forecast

Today
Showers likely, with thunderstorms also possible after 4pm. Cloudy, with a high near 79. Light south wind. Chance of precipitation is 60%.
Tonight
Scattered showers and thunderstorms. Cloudy, with a low around 70. East wind around 5 mph becoming calm in the evening. Chance of precipitation is 50%.
Saturday
Scattered showers and thunderstorms before noon, then isolated showers between noon and 1pm. Cloudy, then gradually becoming mostly sunny, with a high near 86. South wind 3 to 6 mph. Chance of precipitation is 50%.
Saturday Night
Partly cloudy, with a low around 73. Light southeast wind.
Sunday
Mostly sunny, with a high near 96. Light southwest wind.
Sunday Night
Mostly clear, with a low around 77.
Monday
Mostly sunny and hot, with a high near 99.
Monday Night
Mostly clear, with a low around 78.
Tuesday
Sunny and hot, with a high near 97.
Tuesday Night
Partly cloudy, with a low around 75.
Wednesday
Sunny, with a high near 94.
Wednesday Night
Partly cloudy, with a low around 73.
Thursday
Mostly sunny, with a high near 93.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
2 Miles WNW Sauget IL
 38.6°N 90.2°W (Elev. 436 ft)
Last Update:
10:26 am CDT Jul 24, 2026
Forecast Valid:
11am CDT Jul 24, 2026-6pm CDT Jul 30, 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