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.

Partly Cloudy

46°F

8°C

Humidity 66%
Wind Speed N 14 G 23 mph
Barometer 30.46 in
Dewpoint 36°F (2°C)
Visibility 10.00 mi
Wind Chill40°F (4°C)
Last update 27 Mar 1:50 pm CDT
Extended Forecast for

Edwardsville IL

Freeze Warning March 28, 01:00am until March 28, 09:00am
Click here for hazard details and duration
Freeze Warning

  • This Afternoon

    This Afternoon: Mostly sunny, with a high near 51. North wind around 15 mph, with gusts as high as 25 mph.

    High: 51 °F

    Mostly Sunny

  • Tonight

    Tonight: Widespread frost after 4am. Otherwise, mostly clear, with a low around 30. North wind 6 to 14 mph.

    Low: 30 °F

    Mostly Clear
    then Frost

  • Saturday

    Saturday: Widespread frost before 9am. Otherwise, sunny, with a high near 55. Light and variable wind becoming south 5 to 9 mph in the morning.

    High: 55 °F

    Frost then
    Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 40. South wind around 9 mph.

    Low: 40 °F

    Partly Cloudy

  • Sunday

    Sunday: Partly sunny, with a high near 68. South wind 8 to 15 mph, with gusts as high as 22 mph.

    High: 68 °F

    Partly Sunny

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 56.

    Low: 56 °F

    Partly Cloudy

  • Monday

    Monday: Mostly sunny, with a high near 81.

    High: 81 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 65.

    Low: 65 °F

    Partly Cloudy

  • Tuesday

    Tuesday: A 30 percent chance of rain and thunderstorms after 1pm. Partly sunny, with a high near 83. Breezy.

    High: 83 °F

    Breezy.
    Partly Sunny
    then Chance
    Rain

Detailed Forecast

This Afternoon
Mostly sunny, with a high near 51. North wind around 15 mph, with gusts as high as 25 mph.
Tonight
Widespread frost after 4am. Otherwise, mostly clear, with a low around 30. North wind 6 to 14 mph.
Saturday
Widespread frost before 9am. Otherwise, sunny, with a high near 55. Light and variable wind becoming south 5 to 9 mph in the morning.
Saturday Night
Partly cloudy, with a low around 40. South wind around 9 mph.
Sunday
Partly sunny, with a high near 68. South wind 8 to 15 mph, with gusts as high as 22 mph.
Sunday Night
Partly cloudy, with a low around 56.
Monday
Mostly sunny, with a high near 81.
Monday Night
Partly cloudy, with a low around 65.
Tuesday
A 30 percent chance of rain and thunderstorms after 1pm. Partly sunny, with a high near 83. Breezy.
Tuesday Night
A chance of rain, then rain likely and possibly a thunderstorm after 1am. Mostly cloudy, with a low around 49. Chance of precipitation is 70%.
Wednesday
Rain and thunderstorms likely. Mostly cloudy, with a high near 60. Chance of precipitation is 60%.
Wednesday Night
Rain and thunderstorms likely. Mostly cloudy, with a low around 43. Chance of precipitation is 60%.
Thursday
Rain and thunderstorms likely. Mostly cloudy, with a high near 57. Chance of precipitation is 60%.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Edwardsville IL
 38.81°N 89.94°W (Elev. 499 ft)
Last Update:
1:56 pm CDT Mar 27, 2026
Forecast Valid:
2pm CDT Mar 27, 2026-6pm CDT Apr 2, 2026
 
Forecast Discussion
 
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Additional Resources

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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