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

64°F

18°C

Humidity 83%
Wind Speed W 12 mph
Barometer 29.78 in
Dewpoint 59°F (15°C)
Visibility 10.00 mi
Last update 26 Dec 9:55 am CST
Extended Forecast for

Edwardsville IL

  • Today

    Today: Mostly cloudy, with a high near 64. West wind 6 to 10 mph.

    High: 64 °F

    Mostly Cloudy

  • Tonight

    Tonight: Mostly cloudy, with a low around 45. Northwest wind around 5 mph becoming calm.

    Low: 45 °F

    Mostly Cloudy

  • Saturday

    Saturday: Mostly cloudy, with a high near 66. Southeast wind 6 to 11 mph.

    High: 66 °F

    Mostly Cloudy

  • Saturday Night

    Saturday Night: A 30 percent chance of rain, mainly after midnight. Cloudy, with a low around 61. South wind 8 to 10 mph.

    Low: 61 °F

    Chance Rain

  • Sunday

    Sunday: Rain and possibly a thunderstorm. High near 70. South wind 8 to 15 mph becoming west in the afternoon. Chance of precipitation is 90%.

    High: 70 °F

    Rain Likely
    then Rain

  • Sunday Night

    Sunday Night: Rain likely, mixing with snow after 9pm, then gradually ending. Mostly cloudy, with a low around 21. Blustery. Chance of precipitation is 60%. Little or no snow accumulation expected.

    Low: 21 °F

    Blustery.
    Rain/Snow
    Likely then
    Mostly Cloudy

  • Monday

    Monday: Mostly sunny, with a high near 28. Blustery.

    High: 28 °F

    Mostly Sunny
    and Blustery

  • Monday Night

    Monday Night: Mostly clear, with a low around 19.

    Low: 19 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 35.

    High: 35 °F

    Sunny

Detailed Forecast

Today
Mostly cloudy, with a high near 64. West wind 6 to 10 mph.
Tonight
Mostly cloudy, with a low around 45. Northwest wind around 5 mph becoming calm.
Saturday
Mostly cloudy, with a high near 66. Southeast wind 6 to 11 mph.
Saturday Night
A 30 percent chance of rain, mainly after midnight. Cloudy, with a low around 61. South wind 8 to 10 mph.
Sunday
Rain and possibly a thunderstorm. High near 70. South wind 8 to 15 mph becoming west in the afternoon. Chance of precipitation is 90%.
Sunday Night
Rain likely, mixing with snow after 9pm, then gradually ending. Mostly cloudy, with a low around 21. Blustery. Chance of precipitation is 60%. Little or no snow accumulation expected.
Monday
Mostly sunny, with a high near 28. Blustery.
Monday Night
Mostly clear, with a low around 19.
Tuesday
Sunny, with a high near 35.
Tuesday Night
Partly cloudy, with a low around 26.
Wednesday
Partly sunny, with a high near 39.
Wednesday Night
Mostly cloudy, with a low around 22.
New Year's Day
Partly sunny, with a high near 34.
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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:
8:26 am CST Dec 26, 2025
Forecast Valid:
10am CST Dec 26, 2025-6pm CST Jan 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