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

St. Louis Regional Airport (KALN)

Lat: 38.89°NLon: 90.03°WElev: 518ft.

Fair

45°F

7°C

Humidity 66%
Wind Speed NW 17 G 28 mph
Barometer 29.80 in
Dewpoint 34°F (1°C)
Visibility 10.00 mi
Wind Chill38°F (3°C)
Last update 6 Feb 8:45 am CST
Extended Forecast for

Edwardsville IL

  • Today

    Today: Increasing clouds, with a high near 45. Breezy, with a northwest wind 11 to 20 mph, with gusts as high as 30 mph.

    High: 45 °F

    Increasing
    Clouds and
    Breezy

  • Tonight

    Tonight: Mostly clear, with a low around 23. North wind 6 to 13 mph, with gusts as high as 20 mph.

    Low: 23 °F

    Mostly Clear

  • Saturday

    Saturday: Sunny, with a high near 34. Northeast wind around 6 mph becoming southeast in the afternoon.

    High: 34 °F

    Sunny

  • Saturday Night

    Saturday Night: Increasing clouds, with a low around 25. South wind 6 to 10 mph.

    Low: 25 °F

    Increasing
    Clouds

  • Sunday

    Sunday: Mostly sunny, with a high near 50. South wind 7 to 10 mph.

    High: 50 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 31.

    Low: 31 °F

    Mostly Clear

  • Monday

    Monday: Sunny, with a high near 58.

    High: 58 °F

    Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 41.

    Low: 41 °F

    Partly Cloudy

  • Tuesday

    Tuesday: A 40 percent chance of rain, mainly after noon. Mostly cloudy, with a high near 63.

    High: 63 °F

    Chance Rain

Detailed Forecast

Today
Increasing clouds, with a high near 45. Breezy, with a northwest wind 11 to 20 mph, with gusts as high as 30 mph.
Tonight
Mostly clear, with a low around 23. North wind 6 to 13 mph, with gusts as high as 20 mph.
Saturday
Sunny, with a high near 34. Northeast wind around 6 mph becoming southeast in the afternoon.
Saturday Night
Increasing clouds, with a low around 25. South wind 6 to 10 mph.
Sunday
Mostly sunny, with a high near 50. South wind 7 to 10 mph.
Sunday Night
Mostly clear, with a low around 31.
Monday
Sunny, with a high near 58.
Monday Night
Partly cloudy, with a low around 41.
Tuesday
A 40 percent chance of rain, mainly after noon. Mostly cloudy, with a high near 63.
Tuesday Night
A 50 percent chance of rain. Mostly cloudy, with a low around 39.
Wednesday
A 20 percent chance of rain. Mostly cloudy, with a high near 49.
Wednesday Night
A slight chance of rain and snow. Mostly cloudy, with a low around 31. Chance of precipitation is 20%.
Thursday
A slight chance of rain and snow. Mostly cloudy, with a high near 44. Chance of precipitation is 20%.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Edwardsville IL
 38.81°N 89.97°W (Elev. 499 ft)
Last Update:
7:46 am CST Feb 6, 2026
Forecast Valid:
8am CST Feb 6, 2026-6pm CST Feb 12, 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