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.

Overcast

41°F

5°C

Humidity 70%
Wind Speed NE 9 mph
Barometer 30.41 in
Dewpoint 32°F (0°C)
Visibility 10.00 mi
Wind Chill35°F (2°C)
Last update 7 Apr 6:50 am CDT
Extended Forecast for

Edwardsville IL

  • Today

    Today: A 20 percent chance of rain before 8am. Cloudy, then gradually becoming mostly sunny, with a high near 54. North wind 9 to 14 mph becoming east in the afternoon. Winds could gust as high as 21 mph.

    High: 54 °F

    Slight Chance
    Rain then
    Partly Sunny

  • Tonight

    Tonight: Partly cloudy, with a low around 39. Southeast wind around 9 mph.

    Low: 39 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Partly sunny, with a high near 72. South wind 9 to 16 mph, with gusts as high as 24 mph.

    High: 72 °F

    Partly Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 53. South wind 10 to 13 mph, with gusts as high as 20 mph.

    Low: 53 °F

    Mostly Clear

  • Thursday

    Thursday: Sunny, with a high near 76. South wind 9 to 11 mph.

    High: 76 °F

    Sunny

  • Thursday Night

    Thursday Night: A 20 percent chance of showers after 1am. Mostly cloudy, with a low around 57.

    Low: 57 °F

    Partly Cloudy
    then Slight
    Chance
    Showers

  • Friday

    Friday: A chance of showers, with thunderstorms also possible after 1pm. Partly sunny, with a high near 72. Chance of precipitation is 50%.

    High: 72 °F

    Chance
    Showers

  • Friday Night

    Friday Night: A 40 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 55.

    Low: 55 °F

    Chance
    T-storms

  • Saturday

    Saturday: A chance of showers, with thunderstorms also possible after 1pm. Partly sunny, with a high near 74. Chance of precipitation is 30%.

    High: 74 °F

    Chance
    Showers

Detailed Forecast

Today
A 20 percent chance of rain before 8am. Cloudy, then gradually becoming mostly sunny, with a high near 54. North wind 9 to 14 mph becoming east in the afternoon. Winds could gust as high as 21 mph.
Tonight
Partly cloudy, with a low around 39. Southeast wind around 9 mph.
Wednesday
Partly sunny, with a high near 72. South wind 9 to 16 mph, with gusts as high as 24 mph.
Wednesday Night
Mostly clear, with a low around 53. South wind 10 to 13 mph, with gusts as high as 20 mph.
Thursday
Sunny, with a high near 76. South wind 9 to 11 mph.
Thursday Night
A 20 percent chance of showers after 1am. Mostly cloudy, with a low around 57.
Friday
A chance of showers, with thunderstorms also possible after 1pm. Partly sunny, with a high near 72. Chance of precipitation is 50%.
Friday Night
A 40 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 55.
Saturday
A chance of showers, with thunderstorms also possible after 1pm. Partly sunny, with a high near 74. Chance of precipitation is 30%.
Saturday Night
Mostly cloudy, with a low around 60.
Sunday
A 20 percent chance of showers and thunderstorms. Partly sunny, with a high near 81.
Sunday Night
A 40 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 65.
Monday
A 40 percent chance of showers and thunderstorms. Partly sunny, with a high near 82. Breezy.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Edwardsville IL
 38.81°N 89.94°W (Elev. 499 ft)
Last Update:
5:21 am CDT Apr 7, 2026
Forecast Valid:
6am CDT Apr 7, 2026-6pm CDT Apr 13, 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