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.

Fair

41°F

5°C

Humidity 45%
Wind Speed W 10 G 22 mph
Barometer 30.21 in
Dewpoint 21°F (-6°C)
Visibility 10.00 mi
Wind Chill35°F (2°C)
Last update 21 Feb 2:50 pm CST
Extended Forecast for

3 Miles SW Alhambra IL

  • Tonight

    Tonight: Mostly clear, with a low around 21. Northwest wind 10 to 17 mph, with gusts as high as 26 mph.

    Low: 21 °F

    Mostly Clear

  • Sunday

    Sunday: Mostly sunny, with a high near 31. Blustery, with a northwest wind 18 to 23 mph, with gusts as high as 31 mph.

    High: 31 °F

    Mostly Sunny
    and Blustery

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 15. Northwest wind 16 to 18 mph, with gusts as high as 26 mph.

    Low: 15 °F

    Partly Cloudy

  • Monday

    Monday: Sunny, with a high near 33. Northwest wind 7 to 16 mph, with gusts as high as 24 mph.

    High: 33 °F

    Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 19. Calm wind becoming south around 6 mph after midnight.

    Low: 19 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Partly sunny, with a high near 51.

    High: 51 °F

    Partly Sunny

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 39.

    Low: 39 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: Partly sunny, with a high near 56.

    High: 56 °F

    Partly Sunny

  • Wednesday Night

    Wednesday Night: A 40 percent chance of rain. Mostly cloudy, with a low around 33.

    Low: 33 °F

    Chance Rain

Detailed Forecast

Tonight
Mostly clear, with a low around 21. Northwest wind 10 to 17 mph, with gusts as high as 26 mph.
Sunday
Mostly sunny, with a high near 31. Blustery, with a northwest wind 18 to 23 mph, with gusts as high as 31 mph.
Sunday Night
Partly cloudy, with a low around 15. Northwest wind 16 to 18 mph, with gusts as high as 26 mph.
Monday
Sunny, with a high near 33. Northwest wind 7 to 16 mph, with gusts as high as 24 mph.
Monday Night
Partly cloudy, with a low around 19. Calm wind becoming south around 6 mph after midnight.
Tuesday
Partly sunny, with a high near 51.
Tuesday Night
Mostly cloudy, with a low around 39.
Wednesday
Partly sunny, with a high near 56.
Wednesday Night
A 40 percent chance of rain. Mostly cloudy, with a low around 33.
Thursday
A 40 percent chance of rain. Mostly sunny, with a high near 49.
Thursday Night
Mostly clear, with a low around 28.
Friday
Sunny, with a high near 58.
Friday Night
Mostly clear, with a low around 38.
Saturday
Mostly sunny, with a high near 60.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
3 Miles SW Alhambra IL
 38.87°N 89.77°W (Elev. 541 ft)
Last Update:
12:26 pm CST Feb 21, 2026
Forecast Valid:
3pm CST Feb 21, 2026-6pm CST Feb 28, 2026
 
Forecast Discussion
 
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Additional Resources

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Hourly Weather Forecast

National Digital Forecast Database

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation