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

32°F

0°C

Humidity 37%
Wind Speed NW 7 mph
Barometer 30.48 in
Dewpoint 9°F (-13°C)
Visibility 10.00 mi
Wind Chill25°F (-4°C)
Last update 23 Feb 3:50 pm CST
Extended Forecast for

2 Miles WSW Edwardsville IL

  • Tonight

    Tonight: Mostly clear, with a low around 22. Calm wind becoming south 5 to 7 mph after midnight.

    Low: 22 °F

    Mostly Clear

  • Tuesday

    Tuesday: Partly sunny, with a high near 53. Breezy, with a south wind 9 to 14 mph increasing to 15 to 20 mph in the afternoon. Winds could gust as high as 38 mph.

    High: 53 °F

    Partly Sunny
    then Mostly
    Cloudy and
    Breezy

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 35. Southwest wind 6 to 11 mph becoming light and variable after midnight. Winds could gust as high as 20 mph.

    Low: 35 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: Mostly sunny, with a high near 52. Light and variable wind becoming north around 6 mph in the morning.

    High: 52 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Rain likely, mainly after midnight. Mostly cloudy, with a low around 37. East wind 6 to 8 mph. Chance of precipitation is 60%.

    Low: 37 °F

    Chance Rain
    then Rain
    Likely

  • Thursday

    Thursday: A 30 percent chance of rain before noon. Partly sunny, with a high near 48.

    High: 48 °F

    Chance Rain
    then Mostly
    Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 33.

    Low: 33 °F

    Mostly Clear

  • Friday

    Friday: Sunny, with a high near 63.

    High: 63 °F

    Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 40.

    Low: 40 °F

    Mostly Clear

Detailed Forecast

Tonight
Mostly clear, with a low around 22. Calm wind becoming south 5 to 7 mph after midnight.
Tuesday
Partly sunny, with a high near 53. Breezy, with a south wind 9 to 14 mph increasing to 15 to 20 mph in the afternoon. Winds could gust as high as 38 mph.
Tuesday Night
Mostly cloudy, with a low around 35. Southwest wind 6 to 11 mph becoming light and variable after midnight. Winds could gust as high as 20 mph.
Wednesday
Mostly sunny, with a high near 52. Light and variable wind becoming north around 6 mph in the morning.
Wednesday Night
Rain likely, mainly after midnight. Mostly cloudy, with a low around 37. East wind 6 to 8 mph. Chance of precipitation is 60%.
Thursday
A 30 percent chance of rain before noon. Partly sunny, with a high near 48.
Thursday Night
Mostly clear, with a low around 33.
Friday
Sunny, with a high near 63.
Friday Night
Mostly clear, with a low around 40.
Saturday
Sunny, with a high near 65.
Saturday Night
Mostly cloudy, with a low around 33.
Sunday
A chance of rain and snow. Mostly cloudy, with a high near 47. Chance of precipitation is 30%.
Sunday Night
A 40 percent chance of rain. Mostly cloudy, with a low around 32.
Monday
A 30 percent chance of rain. Mostly cloudy, with a high near 46.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
2 Miles WSW Edwardsville IL
 38.79°N 90°W (Elev. 551 ft)
Last Update:
2:51 pm CST Feb 23, 2026
Forecast Valid:
3pm CST Feb 23, 2026-6pm CST Mar 2, 2026
 
Forecast Discussion
 
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Additional Resources

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Hourly Weather Forecast

National Digital Forecast Database

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation