National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

Hazardous Weather Conditions

Current conditions at

St. Louis Regional Airport (KALN)

Lat: 38.89°NLon: 90.03°WElev: 518ft.

Fair

48°F

9°C

Humidity 43%
Wind Speed S 16 mph
Barometer 29.98 in
Dewpoint 27°F (-3°C)
Visibility 10.00 mi
Wind Chill42°F (6°C)
Last update 12 Mar 8:45 pm CDT
Extended Forecast for

Edwardsville IL

  • Tonight

    Tonight: Partly cloudy, with a low around 45. Breezy, with a southeast wind 11 to 16 mph becoming south 17 to 22 mph after midnight. Winds could gust as high as 33 mph.

    Low: 45 °F

    Partly Cloudy
    then Partly
    Cloudy and
    Breezy

  • Friday

    Friday: Mostly sunny, with a high near 59. West wind 14 to 18 mph, with gusts as high as 28 mph.

    High: 59 °F

    Mostly Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 36. Northwest wind 5 to 7 mph becoming light and variable.

    Low: 36 °F

    Partly Cloudy

  • Saturday

    Saturday: Partly sunny, with a high near 63. Southeast wind 7 to 13 mph, with gusts as high as 20 mph.

    High: 63 °F

    Partly Sunny

  • Saturday Night

    Saturday Night: Mostly cloudy, with a low around 54. South wind 10 to 14 mph, with gusts as high as 23 mph.

    Low: 54 °F

    Mostly Cloudy

  • Sunday

    Sunday: A chance of rain and thunderstorms, then rain and possibly a thunderstorm after 1pm. High near 67. Breezy. Chance of precipitation is 90%.

    High: 67 °F

    Breezy.
    Chance Rain
    then Rain

  • Sunday Night

    Sunday Night: Rain and snow before 1am, then a chance of snow. Some thunder is also possible. Low around 22. Breezy. Chance of precipitation is 80%.

    Low: 22 °F

    Rain/Snow and
    Breezy

  • Monday

    Monday: A 20 percent chance of snow before 1pm. Partly sunny, with a high near 28. Blustery.

    High: 28 °F

    Slight Chance
    Snow and
    Blustery

  • Monday Night

    Monday Night: Mostly clear, with a low around 13.

    Low: 13 °F

    Mostly Clear

Detailed Forecast

Tonight
Partly cloudy, with a low around 45. Breezy, with a southeast wind 11 to 16 mph becoming south 17 to 22 mph after midnight. Winds could gust as high as 33 mph.
Friday
Mostly sunny, with a high near 59. West wind 14 to 18 mph, with gusts as high as 28 mph.
Friday Night
Partly cloudy, with a low around 36. Northwest wind 5 to 7 mph becoming light and variable.
Saturday
Partly sunny, with a high near 63. Southeast wind 7 to 13 mph, with gusts as high as 20 mph.
Saturday Night
Mostly cloudy, with a low around 54. South wind 10 to 14 mph, with gusts as high as 23 mph.
Sunday
A chance of rain and thunderstorms, then rain and possibly a thunderstorm after 1pm. High near 67. Breezy. Chance of precipitation is 90%.
Sunday Night
Rain and snow before 1am, then a chance of snow. Some thunder is also possible. Low around 22. Breezy. Chance of precipitation is 80%.
Monday
A 20 percent chance of snow before 1pm. Partly sunny, with a high near 28. Blustery.
Monday Night
Mostly clear, with a low around 13.
Tuesday
Mostly sunny, with a high near 33.
Tuesday Night
A chance of rain and snow. Mostly cloudy, with a low around 27. Chance of precipitation is 30%.
Wednesday
Partly sunny, with a high near 53.
Wednesday Night
Partly cloudy, with a low around 38.
Thursday
Sunny, with a high near 65.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Edwardsville IL
 38.81°N 89.94°W (Elev. 499 ft)
Last Update:
7:26 pm CDT Mar 12, 2026
Forecast Valid:
8pm CDT Mar 12, 2026-6pm CDT Mar 19, 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