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

39°F

4°C

Humidity 65%
Wind Speed NW 9 mph
Barometer 30.15 in
Dewpoint 28°F (-2°C)
Visibility 10.00 mi
Wind Chill33°F (1°C)
Last update 10 Feb 11:35 pm CST
Extended Forecast for

Edwardsville IL

  • Tonight

    Tonight: Mostly clear, with a low around 30. North wind 7 to 10 mph.

    Low: 30 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny, with a high near 49. Northwest wind around 6 mph.

    High: 49 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Increasing clouds, with a low around 32. Light and variable wind.

    Low: 32 °F

    Increasing
    Clouds

  • Thursday

    Thursday: Mostly cloudy, with a high near 49. Calm wind becoming southeast around 6 mph in the morning.

    High: 49 °F

    Mostly Cloudy

  • Thursday Night

    Thursday Night: A 20 percent chance of rain before midnight. Mostly cloudy, with a low around 34. Southeast wind 3 to 6 mph.

    Low: 34 °F

    Slight Chance
    Rain then
    Mostly Cloudy

  • Friday

    Friday: Mostly sunny, with a high near 52.

    High: 52 °F

    Mostly Sunny

  • Friday Night

    Friday Night: Mostly cloudy, with a low around 37.

    Low: 37 °F

    Mostly Cloudy

  • Saturday

    Saturday: A 40 percent chance of rain, mainly after noon. Cloudy, with a high near 51.

    High: 51 °F

    Chance Rain

  • Saturday Night

    Saturday Night: A 50 percent chance of rain. Mostly cloudy, with a low around 41.

    Low: 41 °F

    Chance Rain

Detailed Forecast

Tonight
Mostly clear, with a low around 30. North wind 7 to 10 mph.
Wednesday
Sunny, with a high near 49. Northwest wind around 6 mph.
Wednesday Night
Increasing clouds, with a low around 32. Light and variable wind.
Thursday
Mostly cloudy, with a high near 49. Calm wind becoming southeast around 6 mph in the morning.
Thursday Night
A 20 percent chance of rain before midnight. Mostly cloudy, with a low around 34. Southeast wind 3 to 6 mph.
Friday
Mostly sunny, with a high near 52.
Friday Night
Mostly cloudy, with a low around 37.
Saturday
A 40 percent chance of rain, mainly after noon. Cloudy, with a high near 51.
Saturday Night
A 50 percent chance of rain. Mostly cloudy, with a low around 41.
Sunday
A 40 percent chance of rain before noon. Mostly sunny, with a high near 55.
Sunday Night
Mostly clear, with a low around 35.
Washington's Birthday
Sunny, with a high near 59.
Monday Night
Mostly cloudy, with a low around 43.
Tuesday
Partly sunny, with a high near 63.
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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:
10:21 pm CST Feb 10, 2026
Forecast Valid:
11pm CST Feb 10, 2026-6pm CST Feb 17, 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