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

17°F

-8°C

Humidity 63%
Wind Speed NW 10 G 16 mph
Barometer 30.52 in
Dewpoint 7°F (-14°C)
Visibility 10.00 mi
Wind Chill5°F (-15°C)
Last update 23 Feb 2:35 am CST
Extended Forecast for

Cottage Hills IL

  • Overnight

    Overnight: Mostly cloudy, with a low around 14. Northwest wind around 15 mph, with gusts as high as 23 mph.

    Low: 14 °F

    Mostly Cloudy

  • Monday

    Monday: Partly sunny, then gradually becoming sunny, with a high near 33. Northwest wind 6 to 14 mph, with gusts as high as 21 mph.

    High: 33 °F

    Becoming
    Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 20. Calm wind becoming south 5 to 9 mph after midnight.

    Low: 20 °F

    Mostly Clear

  • Tuesday

    Tuesday: Mostly cloudy, with a high near 52. Breezy, with a south wind 13 to 21 mph, with gusts as high as 31 mph.

    High: 52 °F

    Mostly Cloudy
    and Breezy

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 32. Southwest wind 5 to 14 mph becoming northwest after midnight.

    Low: 32 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: Mostly sunny, with a high near 52.

    High: 52 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Rain likely, mainly after midnight. Mostly cloudy, with a low around 35. Chance of precipitation is 60%.

    Low: 35 °F

    Chance Rain
    then Rain
    Likely

  • Thursday

    Thursday: A 40 percent chance of rain before noon. Partly sunny, with a high near 47.

    High: 47 °F

    Chance Rain
    then Mostly
    Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 29.

    Low: 29 °F

    Mostly Clear

Detailed Forecast

Overnight
Mostly cloudy, with a low around 14. Northwest wind around 15 mph, with gusts as high as 23 mph.
Monday
Partly sunny, then gradually becoming sunny, with a high near 33. Northwest wind 6 to 14 mph, with gusts as high as 21 mph.
Monday Night
Mostly clear, with a low around 20. Calm wind becoming south 5 to 9 mph after midnight.
Tuesday
Mostly cloudy, with a high near 52. Breezy, with a south wind 13 to 21 mph, with gusts as high as 31 mph.
Tuesday Night
Mostly cloudy, with a low around 32. Southwest wind 5 to 14 mph becoming northwest after midnight.
Wednesday
Mostly sunny, with a high near 52.
Wednesday Night
Rain likely, mainly after midnight. Mostly cloudy, with a low around 35. Chance of precipitation is 60%.
Thursday
A 40 percent chance of rain before noon. Partly sunny, with a high near 47.
Thursday Night
Mostly clear, with a low around 29.
Friday
Sunny, with a high near 61.
Friday Night
Clear, with a low around 38.
Saturday
Mostly sunny, with a high near 63.
Saturday Night
A slight chance of rain and snow. Mostly cloudy, with a low around 33. Chance of precipitation is 20%.
Sunday
A 30 percent chance of rain. Partly sunny, with a high near 49.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Cottage Hills IL
 38.9°N 90.08°W (Elev. 486 ft)
Last Update:
12:25 am CST Feb 23, 2026
Forecast Valid:
2am CST Feb 23, 2026-6pm CST Mar 1, 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