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

32°F

0°C

Humidity 87%
Wind Speed Calm
Barometer 30.30 in
Dewpoint 28°F (-2°C)
Visibility 10.00 mi
Last update 12 Feb 7:50 am CST
Extended Forecast for

Edwardsville IL

  • Today

    Today: Partly sunny, with a high near 53. Southeast wind 3 to 8 mph.

    High: 53 °F

    Partly Sunny

  • Tonight

    Tonight: Partly cloudy, with a low around 32. Southeast wind 6 to 8 mph.

    Low: 32 °F

    Partly Cloudy

  • Friday

    Friday: Sunny, with a high near 58. South wind 5 to 8 mph.

    High: 58 °F

    Sunny

  • Friday Night

    Friday Night: Increasing clouds, with a low around 37. Southeast wind around 5 mph becoming calm in the evening.

    Low: 37 °F

    Increasing
    Clouds

  • Saturday

    Saturday: Rain likely, mainly after noon. Cloudy, with a high near 51. Southeast wind 3 to 7 mph. Chance of precipitation is 60%.

    High: 51 °F

    Chance Rain
    then Rain
    Likely

  • Saturday Night

    Saturday Night: Rain likely, mainly before midnight. Cloudy, with a low around 43. Chance of precipitation is 70%.

    Low: 43 °F

    Rain Likely

  • Sunday

    Sunday: A 20 percent chance of rain before noon. Mostly sunny, with a high near 58.

    High: 58 °F

    Slight Chance
    Rain then
    Mostly Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 35.

    Low: 35 °F

    Mostly Clear

  • Washington's Birthday

    Washington's Birthday: Mostly sunny, with a high near 60.

    High: 60 °F

    Mostly Sunny

Detailed Forecast

Today
Partly sunny, with a high near 53. Southeast wind 3 to 8 mph.
Tonight
Partly cloudy, with a low around 32. Southeast wind 6 to 8 mph.
Friday
Sunny, with a high near 58. South wind 5 to 8 mph.
Friday Night
Increasing clouds, with a low around 37. Southeast wind around 5 mph becoming calm in the evening.
Saturday
Rain likely, mainly after noon. Cloudy, with a high near 51. Southeast wind 3 to 7 mph. Chance of precipitation is 60%.
Saturday Night
Rain likely, mainly before midnight. Cloudy, with a low around 43. Chance of precipitation is 70%.
Sunday
A 20 percent chance of rain before noon. Mostly sunny, with a high near 58.
Sunday Night
Mostly clear, with a low around 35.
Washington's Birthday
Mostly sunny, with a high near 60.
Monday Night
Mostly cloudy, with a low around 45.
Tuesday
Mostly cloudy, with a high near 64.
Tuesday Night
Mostly cloudy, with a low around 54.
Wednesday
A 20 percent chance of rain. Mostly cloudy, with a high near 66.
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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:
6:36 am CST Feb 12, 2026
Forecast Valid:
8am CST Feb 12, 2026-6pm CST Feb 18, 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