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

21°F

-6°C

Humidity 58%
Wind Speed NW 8 mph
Barometer 30.11 in
Dewpoint 8°F (-13°C)
Visibility 10.00 mi
Wind Chill11°F (-12°C)
Last update 15 Jan 2:55 am CST
Extended Forecast for

Edwardsville IL

  • Overnight

    Overnight: Clear, with a low around 17. Northwest wind around 8 mph.

    Low: 17 °F

    Clear

  • Thursday

    Thursday: Sunny, with a high near 33. Northwest wind 7 to 9 mph becoming south in the afternoon.

    High: 33 °F

    Sunny

  • Thursday Night

    Thursday Night: Snow likely before 1am, then scattered flurries after 5am. Cloudy, then gradually becoming partly cloudy, with a low around 29. South wind 7 to 10 mph becoming west after midnight. Chance of precipitation is 70%. New snow accumulation of less than a half inch possible.

    Low: 29 °F

    Snow Likely
    then Slight
    Chance Snow

  • Friday

    Friday: Mostly cloudy, with a high near 44. West wind 10 to 16 mph, with gusts as high as 24 mph.

    High: 44 °F

    Mostly Cloudy

  • Friday Night

    Friday Night: Scattered snow showers. Mostly cloudy, with a low around 21. West wind 10 to 14 mph, with gusts as high as 22 mph. Chance of precipitation is 50%.

    Low: 21 °F

    Scattered
    Snow Showers

  • Saturday

    Saturday: Partly sunny, with a high near 25.

    High: 25 °F

    Partly Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 12.

    Low: 12 °F

    Partly Cloudy

  • Sunday

    Sunday: Mostly sunny, with a high near 26.

    High: 26 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 15.

    Low: 15 °F

    Partly Cloudy

Detailed Forecast

Overnight
Clear, with a low around 17. Northwest wind around 8 mph.
Thursday
Sunny, with a high near 33. Northwest wind 7 to 9 mph becoming south in the afternoon.
Thursday Night
Snow likely before 1am, then scattered flurries after 5am. Cloudy, then gradually becoming partly cloudy, with a low around 29. South wind 7 to 10 mph becoming west after midnight. Chance of precipitation is 70%. New snow accumulation of less than a half inch possible.
Friday
Mostly cloudy, with a high near 44. West wind 10 to 16 mph, with gusts as high as 24 mph.
Friday Night
Scattered snow showers. Mostly cloudy, with a low around 21. West wind 10 to 14 mph, with gusts as high as 22 mph. Chance of precipitation is 50%.
Saturday
Partly sunny, with a high near 25.
Saturday Night
Partly cloudy, with a low around 12.
Sunday
Mostly sunny, with a high near 26.
Sunday Night
Partly cloudy, with a low around 15.
M.L.King Day
Mostly sunny, with a high near 24.
Monday Night
Mostly clear, with a low around 11.
Tuesday
Sunny, with a high near 30.
Tuesday Night
Partly cloudy, with a low around 20.
Wednesday
Mostly sunny, with a high near 43.
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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:
2:51 am CST Jan 15, 2026
Forecast Valid:
3am CST Jan 15, 2026-6pm CST Jan 21, 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