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.

Overcast

73°F

23°C

Humidity 94%
Wind Speed S 9 mph
Barometer 29.78 in
Dewpoint 72°F (22°C)
Visibility 10.00 mi
Last update 31 Jul 7:45 pm CDT
Extended Forecast for

Cottage Hills IL

  • Tonight

    Tonight: Showers and thunderstorms, mainly before 1am. Low around 69. South wind 9 to 13 mph becoming west after midnight. Winds could gust as high as 20 mph. Chance of precipitation is 100%.

    Low: 69 °F

    T-storms then
    Chance
    T-storms

  • Saturday

    Saturday: A chance of showers and thunderstorms, then showers and possibly a thunderstorm after 1pm. High near 77. West wind 9 to 14 mph, with gusts as high as 23 mph. Chance of precipitation is 80%.

    High: 77 °F

    Chance
    T-storms then
    Showers

  • Saturday Night

    Saturday Night: Showers and thunderstorms before 10pm, then a slight chance of showers between 10pm and 2am. Low around 66. North wind 13 to 17 mph, with gusts as high as 25 mph. Chance of precipitation is 80%.

    Low: 66 °F

    Showers then
    Slight Chance
    Showers

  • Sunday

    Sunday: A 20 percent chance of showers. Partly sunny, with a high near 80. North wind around 15 mph, with gusts as high as 24 mph.

    High: 80 °F

    Slight Chance
    Showers

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 64. North wind 5 to 11 mph.

    Low: 64 °F

    Mostly Clear

  • Monday

    Monday: Mostly sunny, with a high near 82.

    High: 82 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 64.

    Low: 64 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 85.

    High: 85 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 66.

    Low: 66 °F

    Mostly Clear

Detailed Forecast

Tonight
Showers and thunderstorms, mainly before 1am. Low around 69. South wind 9 to 13 mph becoming west after midnight. Winds could gust as high as 20 mph. Chance of precipitation is 100%.
Saturday
A chance of showers and thunderstorms, then showers and possibly a thunderstorm after 1pm. High near 77. West wind 9 to 14 mph, with gusts as high as 23 mph. Chance of precipitation is 80%.
Saturday Night
Showers and thunderstorms before 10pm, then a slight chance of showers between 10pm and 2am. Low around 66. North wind 13 to 17 mph, with gusts as high as 25 mph. Chance of precipitation is 80%.
Sunday
A 20 percent chance of showers. Partly sunny, with a high near 80. North wind around 15 mph, with gusts as high as 24 mph.
Sunday Night
Mostly clear, with a low around 64. North wind 5 to 11 mph.
Monday
Mostly sunny, with a high near 82.
Monday Night
Mostly clear, with a low around 64.
Tuesday
Sunny, with a high near 85.
Tuesday Night
Mostly clear, with a low around 66.
Wednesday
Sunny, with a high near 87.
Wednesday Night
Mostly clear, with a low around 69.
Thursday
A 20 percent chance of showers. Mostly sunny, with a high near 88.
Thursday Night
A 20 percent chance of showers and thunderstorms. Partly cloudy, with a low around 71.
Friday
A 20 percent chance of showers and thunderstorms. Mostly sunny, with a high near 91.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Cottage Hills IL
 38.9°N 90.11°W (Elev. 489 ft)
Last Update:
7:16 pm CDT Jul 31, 2026
Forecast Valid:
8pm CDT Jul 31, 2026-6pm CDT Aug 7, 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