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

42°F

6°C

Humidity 46%
Wind Speed N 5 mph
Barometer 30.62 in
Dewpoint 22°F (-6°C)
Visibility 10.00 mi
Wind Chill39°F (4°C)
Last update 28 Mar 12:15 am 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

  • Overnight

    Overnight: Widespread frost after 5am. Otherwise, mostly clear, with a low around 30. North wind 6 to 8 mph.

    Low: 30 °F

    Frost

  • Saturday

    Saturday: Widespread frost before 8am. Otherwise, sunny, with a high near 55. Light and variable wind becoming south 5 to 8 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. South wind around 11 mph.

    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

  • Tuesday Night

    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%.

    Low: 49 °F

    Rain Likely

Detailed Forecast

Overnight
Widespread frost after 5am. Otherwise, mostly clear, with a low around 30. North wind 6 to 8 mph.
Saturday
Widespread frost before 8am. Otherwise, sunny, with a high near 55. Light and variable wind becoming south 5 to 8 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. South wind around 11 mph.
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 likely and possibly a thunderstorm before 1pm, then a chance of rain and thunderstorms after 1pm. 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 56. Chance of precipitation is 60%.
Thursday Night
A 40 percent chance of rain. Mostly cloudy, with a low around 47.
Friday
A 40 percent chance of rain and thunderstorms. Partly sunny, with a high near 68.
Basemap Options
Click map to change the forecast location
Loading map...
Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Edwardsville IL
 38.79°N 89.97°W (Elev. 558 ft)
Last Update:
9:26 pm CDT Mar 27, 2026
Forecast Valid:
12am CDT Mar 28, 2026-6pm CDT Apr 3, 2026
 
Forecast Discussion
 
Get as KML Get as XML

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