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.

Mostly Cloudy

39°F

4°C

Humidity 70%
Wind Speed N 13 mph
Barometer 30.43 in
Dewpoint 30°F (-1°C)
Visibility 10.00 mi
Wind Chill31°F (-1°C)
Last update 27 Mar 10:50 am CDT
Extended Forecast for

Edwardsville IL

  • Today

    Today: Partly sunny, with a high near 51. North wind 15 to 17 mph, with gusts as high as 26 mph.

    High: 51 °F

    Partly Sunny

  • Tonight

    Tonight: Mostly clear, with a low around 30. North wind 6 to 14 mph.

    Low: 30 °F

    Mostly Clear

  • Saturday

    Saturday: Sunny, with a high near 55. Light and variable wind becoming south 5 to 8 mph in the morning.

    High: 55 °F

    Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 40. South wind around 9 mph.

    Low: 40 °F

    Partly Cloudy

  • Sunday

    Sunday: Partly sunny, with a high near 67. South wind 8 to 13 mph, with gusts as high as 20 mph.

    High: 67 °F

    Partly Sunny

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 56.

    Low: 56 °F

    Partly Cloudy

  • Monday

    Monday: Mostly sunny, with a high near 81.

    High: 81 °F

    Mostly Sunny

  • Monday Night

    Monday Night: A 20 percent chance of rain and thunderstorms after 1am. Mostly cloudy, with a low around 64.

    Low: 64 °F

    Partly Cloudy
    then Slight
    Chance
    T-storms

  • Tuesday

    Tuesday: A 20 percent chance of rain. Partly sunny, with a high near 84. Breezy.

    High: 84 °F

    Slight Chance
    Rain and
    Breezy

Detailed Forecast

Today
Partly sunny, with a high near 51. North wind 15 to 17 mph, with gusts as high as 26 mph.
Tonight
Mostly clear, with a low around 30. North wind 6 to 14 mph.
Saturday
Sunny, with a high near 55. Light and variable wind becoming south 5 to 8 mph in the morning.
Saturday Night
Partly cloudy, with a low around 40. South wind around 9 mph.
Sunday
Partly sunny, with a high near 67. South wind 8 to 13 mph, with gusts as high as 20 mph.
Sunday Night
Partly cloudy, with a low around 56.
Monday
Mostly sunny, with a high near 81.
Monday Night
A 20 percent chance of rain and thunderstorms after 1am. Mostly cloudy, with a low around 64.
Tuesday
A 20 percent chance of rain. Partly sunny, with a high near 84. Breezy.
Tuesday Night
A 50 percent chance of rain and thunderstorms. Mostly cloudy, with a low around 62.
Wednesday
A 50 percent chance of rain and thunderstorms. Mostly cloudy, with a high near 75.
Wednesday Night
Rain and thunderstorms likely. Mostly cloudy, with a low around 55. Chance of precipitation is 70%.
Thursday
Rain and thunderstorms likely. Mostly cloudy, with a high near 67. Chance of precipitation is 60%.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Edwardsville IL
 38.81°N 89.97°W (Elev. 499 ft)
Last Update:
10:46 am CDT Mar 27, 2026
Forecast Valid:
11am CDT Mar 27, 2026-6pm CDT Apr 2, 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