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

30°F

-1°C

Humidity 29%
Wind Speed SW 6 G 16 mph
Barometer 29.98 in
Dewpoint 1°F (-17°C)
Visibility 10.00 mi
Wind Chill24°F (-4°C)
Last update 15 Jan 2:45 pm CST
Extended Forecast for

Edwardsville IL

  • Tonight

    Tonight: Snow likely, mainly before midnight. Mostly cloudy, with a temperature rising to around 34 by 4am. South wind 7 to 11 mph, with gusts as high as 21 mph. Chance of precipitation is 60%. Total nighttime snow accumulation of less than a half inch possible.

    Low: 27 °F⇑

    Snow Likely
    then Slight
    Chance Snow

  • Friday

    Friday: A slight chance of rain showers between 3pm and 4pm, then a slight chance of snow showers after 4pm. Mostly cloudy, with a high near 44. West wind 9 to 16 mph, with gusts as high as 28 mph. Chance of precipitation is 20%.

    High: 44 °F

    Partly Sunny
    then Isolated
    Rain/Snow

  • Friday Night

    Friday Night: Scattered snow showers, mainly before midnight. Mostly cloudy, with a low around 21. West wind around 15 mph, with gusts as high as 22 mph. Chance of precipitation is 50%.

    Low: 21 °F

    Scattered
    Snow Showers
    then Isolated
    Snow Showers

  • Saturday

    Saturday: Partly sunny, with a high near 26. West wind 11 to 15 mph, with gusts as high as 23 mph.

    High: 26 °F

    Partly Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 12. Northwest wind 6 to 10 mph.

    Low: 12 °F

    Mostly Clear

  • Sunday

    Sunday: Mostly sunny, with a high near 28.

    High: 28 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 14.

    Low: 14 °F

    Partly Cloudy

  • M.L.King Day

    M.L.King Day: Sunny, with a high near 21.

    High: 21 °F

    Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 10.

    Low: 10 °F

    Mostly Clear

Detailed Forecast

Tonight
Snow likely, mainly before midnight. Mostly cloudy, with a temperature rising to around 34 by 4am. South wind 7 to 11 mph, with gusts as high as 21 mph. Chance of precipitation is 60%. Total nighttime snow accumulation of less than a half inch possible.
Friday
A slight chance of rain showers between 3pm and 4pm, then a slight chance of snow showers after 4pm. Mostly cloudy, with a high near 44. West wind 9 to 16 mph, with gusts as high as 28 mph. Chance of precipitation is 20%.
Friday Night
Scattered snow showers, mainly before midnight. Mostly cloudy, with a low around 21. West wind around 15 mph, with gusts as high as 22 mph. Chance of precipitation is 50%.
Saturday
Partly sunny, with a high near 26. West wind 11 to 15 mph, with gusts as high as 23 mph.
Saturday Night
Mostly clear, with a low around 12. Northwest wind 6 to 10 mph.
Sunday
Mostly sunny, with a high near 28.
Sunday Night
Partly cloudy, with a low around 14.
M.L.King Day
Sunny, with a high near 21.
Monday Night
Mostly clear, with a low around 10.
Tuesday
Sunny, with a high near 34.
Tuesday Night
Partly cloudy, with a low around 24.
Wednesday
Mostly sunny, with a high near 43.
Wednesday Night
Partly cloudy, with a low around 22.
Thursday
Partly sunny, with a high near 41.
Basemap Options
Click map to change the forecast location
Loading map...
Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Edwardsville IL
 38.81°N 89.97°W (Elev. 499 ft)
Last Update:
3:16 pm CST Jan 15, 2026
Forecast Valid:
3pm CST Jan 15, 2026-6pm CST Jan 22, 2026
 
Forecast Discussion
 
Get as KML Get as XML

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