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.

Overcast

66°F

19°C

Humidity 95%
Wind Speed Calm
Barometer 30.15 in
Dewpoint 64°F (18°C)
Visibility 10.00 mi
Last update 5 Aug 4:35 am CDT
Extended Forecast for

2 Miles WSW Edwardsville IL

  • Today

    Today: Isolated showers and thunderstorms after 4pm. Patchy fog before 8am. Otherwise, partly sunny, with a high near 84. Calm wind becoming northeast around 5 mph in the afternoon. Chance of precipitation is 20%.

    High: 84 °F

    Patchy Fog
    then Isolated
    T-storms

  • Tonight

    Tonight: Isolated showers and thunderstorms before 7pm, then isolated showers between 7pm and 8pm. Partly cloudy, with a low around 66. East wind around 5 mph becoming calm in the evening. Chance of precipitation is 20%.

    Low: 66 °F

    Isolated
    T-storms then
    Mostly Clear

  • Wednesday

    Wednesday: Mostly sunny, with a high near 87. Calm wind becoming southeast around 5 mph in the afternoon.

    High: 87 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 69. Light southeast wind.

    Low: 69 °F

    Mostly Clear

  • Thursday

    Thursday: Sunny, with a high near 90. Calm wind becoming south around 6 mph in the afternoon.

    High: 90 °F

    Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 70.

    Low: 70 °F

    Mostly Clear

  • Friday

    Friday: Sunny, with a high near 90.

    High: 90 °F

    Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 72.

    Low: 72 °F

    Mostly Clear

  • Saturday

    Saturday: Sunny, with a high near 91.

    High: 91 °F

    Sunny

Detailed Forecast

Today
Isolated showers and thunderstorms after 4pm. Patchy fog before 8am. Otherwise, partly sunny, with a high near 84. Calm wind becoming northeast around 5 mph in the afternoon. Chance of precipitation is 20%.
Tonight
Isolated showers and thunderstorms before 7pm, then isolated showers between 7pm and 8pm. Partly cloudy, with a low around 66. East wind around 5 mph becoming calm in the evening. Chance of precipitation is 20%.
Wednesday
Mostly sunny, with a high near 87. Calm wind becoming southeast around 5 mph in the afternoon.
Wednesday Night
Mostly clear, with a low around 69. Light southeast wind.
Thursday
Sunny, with a high near 90. Calm wind becoming south around 6 mph in the afternoon.
Thursday Night
Mostly clear, with a low around 70.
Friday
Sunny, with a high near 90.
Friday Night
Mostly clear, with a low around 72.
Saturday
Sunny, with a high near 91.
Saturday Night
Mostly clear, with a low around 73.
Sunday
A 20 percent chance of showers and thunderstorms. Mostly sunny, with a high near 89.
Sunday Night
A 20 percent chance of showers and thunderstorms. Partly cloudy, with a low around 72.
Monday
A 30 percent chance of showers and thunderstorms. Mostly sunny, with a high near 89.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
2 Miles WSW Edwardsville IL
 38.79°N 90°W (Elev. 551 ft)
Last Update:
4:31 am CDT Aug 5, 2025
Forecast Valid:
4am CDT Aug 5, 2025-6pm CDT Aug 11, 2025
 
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