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.

Mostly Cloudy

81°F

27°C

Humidity 54%
Wind Speed S 16 mph
Barometer 29.95 in
Dewpoint 63°F (17°C)
Visibility 10.00 mi
Heat Index82°F (28°C)
Last update 13 Apr 1:50 pm CDT
Extended Forecast for

Edwardsville IL

  • This Afternoon

    This Afternoon: Partly sunny, with a high near 84. South wind around 17 mph, with gusts as high as 25 mph.

    High: 84 °F

    Partly Sunny

  • Tonight

    Tonight: Partly cloudy, with a low around 68. South wind 13 to 16 mph, with gusts as high as 25 mph.

    Low: 68 °F

    Partly Cloudy

  • Tuesday

    Tuesday: A slight chance of showers and thunderstorms between 1pm and 2pm. Mostly sunny, with a high near 87. South wind 10 to 17 mph, with gusts as high as 25 mph. Chance of precipitation is 20%.

    High: 87 °F

    Partly Sunny
    then Slight
    Chance
    T-storms

  • Tuesday Night

    Tuesday Night: A chance of showers and thunderstorms. Partly cloudy, with a low around 69. Southwest wind 10 to 15 mph, with gusts as high as 23 mph. Chance of precipitation is 40%.

    Low: 69 °F

    Chance
    T-storms then
    Chance
    Showers

  • Wednesday

    Wednesday: A chance of showers before 10am, then a chance of showers and thunderstorms between 10am and 1pm, then showers likely and possibly a thunderstorm after 1pm. Mostly cloudy, with a high near 81. Southwest wind 9 to 14 mph, with gusts as high as 22 mph. Chance of precipitation is 70%.

    High: 81 °F

    Showers
    Likely

  • Wednesday Night

    Wednesday Night: Showers and possibly a thunderstorm. Low around 64. Chance of precipitation is 90%.

    Low: 64 °F

    Showers

  • Thursday

    Thursday: Showers likely and possibly a thunderstorm before 1pm, then a chance of showers and thunderstorms after 1pm. Partly sunny, with a high near 80. Chance of precipitation is 60%.

    High: 80 °F

    Showers
    Likely

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 60.

    Low: 60 °F

    Mostly Clear

  • Friday

    Friday: A 20 percent chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 86.

    High: 86 °F

    Mostly Sunny
    then Slight
    Chance
    T-storms

Detailed Forecast

This Afternoon
Partly sunny, with a high near 84. South wind around 17 mph, with gusts as high as 25 mph.
Tonight
Partly cloudy, with a low around 68. South wind 13 to 16 mph, with gusts as high as 25 mph.
Tuesday
A slight chance of showers and thunderstorms between 1pm and 2pm. Mostly sunny, with a high near 87. South wind 10 to 17 mph, with gusts as high as 25 mph. Chance of precipitation is 20%.
Tuesday Night
A chance of showers and thunderstorms. Partly cloudy, with a low around 69. Southwest wind 10 to 15 mph, with gusts as high as 23 mph. Chance of precipitation is 40%.
Wednesday
A chance of showers before 10am, then a chance of showers and thunderstorms between 10am and 1pm, then showers likely and possibly a thunderstorm after 1pm. Mostly cloudy, with a high near 81. Southwest wind 9 to 14 mph, with gusts as high as 22 mph. Chance of precipitation is 70%.
Wednesday Night
Showers and possibly a thunderstorm. Low around 64. Chance of precipitation is 90%.
Thursday
Showers likely and possibly a thunderstorm before 1pm, then a chance of showers and thunderstorms after 1pm. Partly sunny, with a high near 80. Chance of precipitation is 60%.
Thursday Night
Mostly clear, with a low around 60.
Friday
A 20 percent chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 86.
Friday Night
A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 1am. Mostly cloudy, with a low around 62. Chance of precipitation is 70%.
Saturday
Showers and thunderstorms likely. Partly sunny, with a high near 73. Chance of precipitation is 60%.
Saturday Night
A 20 percent chance of showers. Mostly cloudy, with a low around 43.
Sunday
Sunny, with a high near 62.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Edwardsville IL
 38.81°N 89.97°W (Elev. 499 ft)
Last Update:
1:26 pm CDT Apr 13, 2026
Forecast Valid:
2pm CDT Apr 13, 2026-6pm CDT Apr 19, 2026
 
Forecast Discussion
 
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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