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.

Partly Cloudy

66°F

19°C

Humidity 83%
Wind Speed W 3 mph
Barometer 29.80 in
Dewpoint 61°F (16°C)
Visibility 10.00 mi
Last update 24 Apr 7:50 pm CDT
Extended Forecast for

Edwardsville IL

  • Tonight

    Tonight: Mostly cloudy, then gradually becoming mostly clear, with a low around 51. North wind 3 to 6 mph.

    Low: 51 °F

    Decreasing
    Clouds

  • Saturday

    Saturday: Sunny, with a high near 77. Northeast wind 6 to 8 mph.

    High: 77 °F

    Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 52. Northeast wind 6 to 8 mph.

    Low: 52 °F

    Mostly Clear

  • Sunday

    Sunday: Mostly sunny, with a high near 75. East wind 7 to 10 mph.

    High: 75 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: A 30 percent chance of showers and thunderstorms after 1am. Mostly cloudy, with a low around 61. East wind 10 to 13 mph, with gusts as high as 21 mph.

    Low: 61 °F

    Mostly Cloudy
    then Chance
    Showers

  • Monday

    Monday: A chance of showers before 10am, then a chance of showers and thunderstorms between 10am and 1pm, then showers likely and possibly a thunderstorm after 1pm. Partly sunny, with a high near 79. Breezy. Chance of precipitation is 70%.

    High: 79 °F

    Chance
    Showers then
    Showers
    Likely and
    Breezy

  • Monday Night

    Monday Night: Showers likely and possibly a thunderstorm before 1am, then a slight chance of showers. Partly cloudy, with a low around 54. Breezy. Chance of precipitation is 70%.

    Low: 54 °F

    Showers
    Likely and
    Breezy

  • Tuesday

    Tuesday: Sunny, with a high near 71.

    High: 71 °F

    Sunny

  • Tuesday Night

    Tuesday Night: A 30 percent chance of showers. Partly cloudy, with a low around 50.

    Low: 50 °F

    Chance
    Showers

Detailed Forecast

Tonight
Mostly cloudy, then gradually becoming mostly clear, with a low around 51. North wind 3 to 6 mph.
Saturday
Sunny, with a high near 77. Northeast wind 6 to 8 mph.
Saturday Night
Mostly clear, with a low around 52. Northeast wind 6 to 8 mph.
Sunday
Mostly sunny, with a high near 75. East wind 7 to 10 mph.
Sunday Night
A 30 percent chance of showers and thunderstorms after 1am. Mostly cloudy, with a low around 61. East wind 10 to 13 mph, with gusts as high as 21 mph.
Monday
A chance of showers before 10am, then a chance of showers and thunderstorms between 10am and 1pm, then showers likely and possibly a thunderstorm after 1pm. Partly sunny, with a high near 79. Breezy. Chance of precipitation is 70%.
Monday Night
Showers likely and possibly a thunderstorm before 1am, then a slight chance of showers. Partly cloudy, with a low around 54. Breezy. Chance of precipitation is 70%.
Tuesday
Sunny, with a high near 71.
Tuesday Night
A 30 percent chance of showers. Partly cloudy, with a low around 50.
Wednesday
Mostly sunny, with a high near 70.
Wednesday Night
A 30 percent chance of showers. Partly cloudy, with a low around 50.
Thursday
A 30 percent chance of showers. Mostly sunny, with a high near 68.
Thursday Night
A 40 percent chance of showers. Mostly cloudy, with a low around 48.
Friday
A 30 percent chance of showers. Partly sunny, with a high near 64.
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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:
7:31 pm CDT Apr 24, 2026
Forecast Valid:
8pm CDT Apr 24, 2026-6pm CDT May 1, 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