Showers and Storms continue across the East; Heat, Critical Fire Weather, Drought, and Poor Air Quality continues in the West

A series of fronts will focus locally heavy showers and storms across portions of the central and eastern U.S. through the end of the workweek. Dangerous to extreme heat continues across the Southwest U.S., eventually spreading eastward over the weekend into early next week. Elevated fire weather conditions continue across the Great Basin, with degraded air quality lingering across the Northwest. Read More >

Current conditions at

St. Louis Regional Airport (KALN)

Lat: 38.89°NLon: 90.03°WElev: 518ft.

Fair

75°F

24°C

Humidity 83%
Wind Speed Calm
Barometer 30.09 in
Dewpoint 70°F (21°C)
Visibility 10.00 mi
Last update 5 Aug 8:50 am CDT
Extended Forecast for

Edwardsville IL

  • Today

    Today: Mostly sunny, with a high near 88. South wind 6 to 8 mph.

    High: 88 °F

    Mostly Sunny

  • Tonight

    Tonight: Showers and thunderstorms likely, mainly after 4am.  Cloudy, then gradually becoming partly cloudy, with a low around 71. South wind around 6 mph becoming calm  in the evening.  Chance of precipitation is 60%.

    Low: 71 °F

    Scattered
    T-storms then
    T-storms
    Likely

  • Thursday

    Thursday: Showers and thunderstorms, mainly before 1pm.  High near 84. Light and variable wind becoming west around 6 mph in the morning.  Chance of precipitation is 80%.

    High: 84 °F

    T-storms then
    Scattered
    T-storms

  • Thursday Night

    Thursday Night: Showers and thunderstorms likely, mainly after 1am.  Mostly cloudy, with a low around 71. Light southeast wind.  Chance of precipitation is 60%.

    Low: 71 °F

    Chance
    T-storms then
    T-storms
    Likely

  • Friday

    Friday: A 50 percent chance of showers and thunderstorms.  Partly sunny, with a high near 86. Southwest wind 3 to 6 mph.

    High: 86 °F

    Chance
    T-storms

  • Friday Night

    Friday Night: A 40 percent chance of showers and thunderstorms, mainly before 1am.  Partly cloudy, with a low around 70.

    Low: 70 °F

    Chance
    T-storms

  • Saturday

    Saturday: Mostly sunny, with a high near 88.

    High: 88 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 73.

    Low: 73 °F

    Mostly Clear

  • Sunday

    Sunday: Sunny, with a high near 92.

    High: 92 °F

    Sunny

Detailed Forecast

Today
Mostly sunny, with a high near 88. South wind 6 to 8 mph.
Tonight
Showers and thunderstorms likely, mainly after 4am. Cloudy, then gradually becoming partly cloudy, with a low around 71. South wind around 6 mph becoming calm in the evening. Chance of precipitation is 60%.
Thursday
Showers and thunderstorms, mainly before 1pm. High near 84. Light and variable wind becoming west around 6 mph in the morning. Chance of precipitation is 80%.
Thursday Night
Showers and thunderstorms likely, mainly after 1am. Mostly cloudy, with a low around 71. Light southeast wind. Chance of precipitation is 60%.
Friday
A 50 percent chance of showers and thunderstorms. Partly sunny, with a high near 86. Southwest wind 3 to 6 mph.
Friday Night
A 40 percent chance of showers and thunderstorms, mainly before 1am. Partly cloudy, with a low around 70.
Saturday
Mostly sunny, with a high near 88.
Saturday Night
Mostly clear, with a low around 73.
Sunday
Sunny, with a high near 92.
Sunday Night
Mostly clear, with a low around 75.
Monday
Sunny, with a high near 93.
Monday Night
A 20 percent chance of showers and thunderstorms. Mostly clear, with a low around 76.
Tuesday
A 20 percent chance of showers and thunderstorms. Mostly sunny, with a high near 91.
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ABOUT THIS FORECAST

 
Point Forecast:
Edwardsville IL
 38.81°N 89.97°W (Elev. 499 ft)
9:06 am CDT Aug 5, 2026
9am CDT Aug 5, 2026-6pm CDT Aug 11, 2026
 
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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