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

Hazardous Weather Conditions

Current conditions at

St. Louis Regional Airport (KALN)

Lat: 38.89°NLon: 90.03°WElev: 518ft.

Light Rain

73°F

23°C

Humidity 94%
Wind Speed Calm
Barometer 29.91 in
Dewpoint 72°F (22°C)
Visibility 10.00 mi
Last update 27 Jun 2:50 pm CDT
Extended Forecast for

2 Miles SE Edwardsville IL

Extreme Heat Warning June 28, 12:00pm until July 3, 12:00am
Click here for hazard details and duration
Extreme Heat Warning

  • This Afternoon

    This Afternoon: Showers and thunderstorms likely, mainly before 5pm. Partly sunny, with a high near 83. Southwest wind around 5 mph. Chance of precipitation is 60%.

    High: 83 °F

    T-storms
    Likely

  • Tonight

    Tonight: A 50 percent chance of showers and thunderstorms, mainly after midnight. Partly cloudy, with a low around 72. Southwest wind around 5 mph becoming calm in the evening.

    Low: 72 °F

    Slight Chance
    T-storms then
    Chance
    T-storms

  • Sunday

    Sunday: Sunny, with a high near 93. Heat index values as high as 107. South wind 5 to 10 mph.

    High: 93 °F

    Sunny

  • Sunday Night

    Sunday Night: Increasing clouds, with a low around 75. South wind 5 to 10 mph.

    Low: 75 °F

    Increasing
    Clouds

  • Monday

    Monday: Mostly sunny, with a high near 95. South wind 6 to 11 mph.

    High: 95 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 76.

    Low: 76 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 96.

    High: 96 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Clear, with a low around 76.

    Low: 76 °F

    Clear

  • Wednesday

    Wednesday: Sunny, with a high near 95.

    High: 95 °F

    Sunny

Detailed Forecast

This Afternoon
Showers and thunderstorms likely, mainly before 5pm. Partly sunny, with a high near 83. Southwest wind around 5 mph. Chance of precipitation is 60%.
Tonight
A 50 percent chance of showers and thunderstorms, mainly after midnight. Partly cloudy, with a low around 72. Southwest wind around 5 mph becoming calm in the evening.
Sunday
Sunny, with a high near 93. Heat index values as high as 107. South wind 5 to 10 mph.
Sunday Night
Increasing clouds, with a low around 75. South wind 5 to 10 mph.
Monday
Mostly sunny, with a high near 95. South wind 6 to 11 mph.
Monday Night
Mostly clear, with a low around 76.
Tuesday
Sunny, with a high near 96.
Tuesday Night
Clear, with a low around 76.
Wednesday
Sunny, with a high near 95.
Wednesday Night
Mostly clear, with a low around 76.
Thursday
A 20 percent chance of showers and thunderstorms. Sunny, with a high near 94.
Thursday Night
Partly cloudy, with a low around 76.
Friday
A 20 percent chance of showers and thunderstorms. Sunny, with a high near 94.
Friday Night
Mostly clear, with a low around 75.
Independence Day
A 20 percent chance of showers and thunderstorms. Sunny, with a high near 93.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
2 Miles SE Edwardsville IL
 38.79°N 89.94°W (Elev. 548 ft)
Last Update:
2:31 pm CDT Jun 27, 2026
Forecast Valid:
4pm CDT Jun 27, 2026-6pm CDT Jul 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