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

61°F

16°C

Humidity 36%
Wind Speed E 5 mph
Barometer 30.30 in
Dewpoint 34°F (1°C)
Visibility 10.00 mi
Last update 20 Apr 1:50 pm CDT
Extended Forecast for

2 Miles WSW Edwardsville IL

  • This Afternoon

    This Afternoon: Sunny, with a high near 66. South wind around 8 mph.

    High: 66 °F

    Sunny

  • Tonight

    Tonight: Mostly clear, with a low around 51. Southeast wind around 8 mph.

    Low: 51 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 78. Southwest wind 7 to 16 mph, with gusts as high as 24 mph.

    High: 78 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 57. Southwest wind 8 to 11 mph.

    Low: 57 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny, with a high near 77. Southwest wind 6 to 9 mph.

    High: 77 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 58.

    Low: 58 °F

    Mostly Clear

  • Thursday

    Thursday: Mostly sunny, with a high near 81.

    High: 81 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Showers likely and possibly a thunderstorm after 1am. Mostly cloudy, with a low around 62. Chance of precipitation is 60%.

    Low: 62 °F

    Partly Cloudy
    then Showers
    Likely

  • Friday

    Friday: Showers and possibly a thunderstorm. High near 75. Chance of precipitation is 80%.

    High: 75 °F

    Showers

Detailed Forecast

This Afternoon
Sunny, with a high near 66. South wind around 8 mph.
Tonight
Mostly clear, with a low around 51. Southeast wind around 8 mph.
Tuesday
Sunny, with a high near 78. Southwest wind 7 to 16 mph, with gusts as high as 24 mph.
Tuesday Night
Mostly clear, with a low around 57. Southwest wind 8 to 11 mph.
Wednesday
Sunny, with a high near 77. Southwest wind 6 to 9 mph.
Wednesday Night
Mostly clear, with a low around 58.
Thursday
Mostly sunny, with a high near 81.
Thursday Night
Showers likely and possibly a thunderstorm after 1am. Mostly cloudy, with a low around 62. Chance of precipitation is 60%.
Friday
Showers and possibly a thunderstorm. High near 75. Chance of precipitation is 80%.
Friday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 53. Chance of precipitation is 50%.
Saturday
A 20 percent chance of showers. Mostly sunny, with a high near 73.
Saturday Night
A 30 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 52.
Sunday
A 20 percent chance of showers and thunderstorms. Partly sunny, with a high near 71.
Basemap Options
Click map to change the forecast location
Loading map...
Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
2 Miles WSW Edwardsville IL
 38.79°N 90°W (Elev. 551 ft)
Last Update:
1:26 pm CDT Apr 20, 2026
Forecast Valid:
2pm CDT Apr 20, 2026-6pm CDT Apr 26, 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