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

63°F

17°C

Humidity 88%
Wind Speed SE 5 mph
Barometer 30.05 in
Dewpoint 59°F (15°C)
Visibility 10.00 mi
Last update 13 Sep 6:50 am CDT
Extended Forecast for

Edwardsville IL

  • Today

    Today: Mostly sunny and hot, with a high near 97. South wind around 6 mph becoming west in the morning.

    High: 97 °F

    Hot

  • Tonight

    Tonight: Partly cloudy, with a low around 70. Light south wind.

    Low: 70 °F

    Partly Cloudy

  • Sunday

    Sunday: A 20 percent chance of showers and thunderstorms after 4pm. Sunny and hot, with a high near 97. Calm wind becoming west 5 to 7 mph in the morning.

    High: 97 °F

    Sunny then
    Slight Chance
    T-storms

  • Sunday Night

    Sunday Night: A 20 percent chance of showers and thunderstorms before 10pm. Partly cloudy, with a low around 70. Light northeast wind.

    Low: 70 °F

    Slight Chance
    T-storms then
    Partly Cloudy

  • Monday

    Monday: A 20 percent chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 94. East wind 3 to 6 mph.

    High: 94 °F

    Mostly Sunny
    then Slight
    Chance
    T-storms

  • Monday Night

    Monday Night: Partly cloudy, with a low around 68.

    Low: 68 °F

    Partly Cloudy

  • Tuesday

    Tuesday: A 20 percent chance of showers after 1pm. Mostly sunny, with a high near 94.

    High: 94 °F

    Sunny then
    Slight Chance
    Showers

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 67.

    Low: 67 °F

    Mostly Clear

  • Wednesday

    Wednesday: Mostly sunny, with a high near 93.

    High: 93 °F

    Mostly Sunny

Detailed Forecast

Today
Mostly sunny and hot, with a high near 97. South wind around 6 mph becoming west in the morning.
Tonight
Partly cloudy, with a low around 70. Light south wind.
Sunday
A 20 percent chance of showers and thunderstorms after 4pm. Sunny and hot, with a high near 97. Calm wind becoming west 5 to 7 mph in the morning.
Sunday Night
A 20 percent chance of showers and thunderstorms before 10pm. Partly cloudy, with a low around 70. Light northeast wind.
Monday
A 20 percent chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 94. East wind 3 to 6 mph.
Monday Night
Partly cloudy, with a low around 68.
Tuesday
A 20 percent chance of showers after 1pm. Mostly sunny, with a high near 94.
Tuesday Night
Mostly clear, with a low around 67.
Wednesday
Mostly sunny, with a high near 93.
Wednesday Night
A 20 percent chance of showers after 1am. Partly cloudy, with a low around 67.
Thursday
A 30 percent chance of showers and thunderstorms. Partly sunny, with a high near 88.
Thursday Night
A 30 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 65.
Friday
A 20 percent chance of showers and thunderstorms. Mostly sunny, with a high near 85.
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ABOUT THIS FORECAST

 
Point Forecast:
Edwardsville IL
 38.79°N 89.97°W (Elev. 558 ft)
Last Update:
5:51 am CDT Sep 13, 2025
Forecast Valid:
7am CDT Sep 13, 2025-6pm CDT Sep 19, 2025
 
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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