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

Areas of Severe Thunderstorms and Heat

Scattered severe thunderstorms and excessive rainfall are possible today in the Mid Atlantic, posing a risk for damaging winds and isolated flash flooding. Extreme Heat Warnings are in effect today for northeast Texas into southern Oklahoma and Arkansas. Extreme Heat Warnings are also in effect for the Desert Southwest today into Sunday. Read More >

Current conditions at

St. Louis Lambert International Airport (KSTL)

Lat: 38.75°NLon: 90.37°WElev: 604ft.

Mostly Cloudy

75°F

24°C

Humidity 90%
Wind Speed N 7 mph
Barometer 30.00 in (1014.7 mb)
Dewpoint 72°F (22°C)
Visibility 10.00 mi
Last update 20 Aug 7:51 am CDT
Extended Forecast for

2 Miles WNW Sauget IL

  • Today

    Today: Isolated showers after 4pm. Cloudy, then gradually becoming mostly sunny, with a high near 84. North wind around 7 mph. Chance of precipitation is 20%.

    High: 84 °F

    Mostly Cloudy
    then Isolated
    Showers

  • Tonight

    Tonight: Mostly clear, with a low around 67. Northeast wind around 6 mph becoming calm in the evening.

    Low: 67 °F

    Mostly Clear

  • Friday

    Friday: Sunny, with a high near 88. Light and variable wind.

    High: 88 °F

    Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 71. Light southwest wind.

    Low: 71 °F

    Mostly Clear

  • Saturday

    Saturday: Mostly sunny, with a high near 86. Northwest wind 3 to 8 mph.

    High: 86 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 67.

    Low: 67 °F

    Mostly Clear

  • Sunday

    Sunday: Mostly sunny, with a high near 84.

    High: 84 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: Mostly cloudy, with a low around 64.

    Low: 64 °F

    Mostly Cloudy

  • Monday

    Monday: A slight chance of showers, with thunderstorms also possible after 1pm. Partly sunny, with a high near 83. Chance of precipitation is 20%.

    High: 83 °F

    Slight Chance
    Showers then
    Slight Chance
    T-storms

Detailed Forecast

Today
Isolated showers after 4pm. Cloudy, then gradually becoming mostly sunny, with a high near 84. North wind around 7 mph. Chance of precipitation is 20%.
Tonight
Mostly clear, with a low around 67. Northeast wind around 6 mph becoming calm in the evening.
Friday
Sunny, with a high near 88. Light and variable wind.
Friday Night
Mostly clear, with a low around 71. Light southwest wind.
Saturday
Mostly sunny, with a high near 86. Northwest wind 3 to 8 mph.
Saturday Night
Mostly clear, with a low around 67.
Sunday
Mostly sunny, with a high near 84.
Sunday Night
Mostly cloudy, with a low around 64.
Monday
A slight chance of showers, with thunderstorms also possible after 1pm. Partly sunny, with a high near 83. Chance of precipitation is 20%.
Monday Night
A 20 percent chance of showers and thunderstorms. Partly cloudy, with a low around 67.
Tuesday
Mostly sunny, with a high near 87.
Tuesday Night
Partly cloudy, with a low around 69.
Wednesday
A 20 percent chance of showers and thunderstorms. Mostly sunny, with a high near 89.
Basemap Options
Click map to change the forecast location
Loading map...
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:
8:31 am CDT Aug 20, 2026
Forecast Valid:
8am CDT Aug 20, 2026-6pm CDT Aug 26, 2026
 
Forecast Discussion
 
Get as KML Get as XML

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