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

86°F

30°C

Humidity 25%
Wind Speed S 8 mph
Barometer 29.78 in
Dewpoint 46°F (8°C)
Visibility 10.00 mi
Heat Index83°F (28°C)
Last update 21 Mar 4:50 pm CDT
Extended Forecast for

3 Miles SW Alhambra IL

  • Tonight

    Tonight: Clear, with a low around 61. South wind 7 to 9 mph, with gusts as high as 22 mph.

    Low: 61 °F

    Clear

  • Sunday

    Sunday: Mostly sunny, with a high near 87. South wind 8 to 17 mph becoming north in the afternoon. Winds could gust as high as 25 mph.

    High: 87 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: Mostly cloudy, then gradually becoming mostly clear, with a low around 36. Breezy, with a north wind 17 to 22 mph decreasing to 11 to 16 mph after midnight. Winds could gust as high as 36 mph.

    Low: 36 °F

    Decreasing
    Clouds and
    Breezy then
    Mostly Clear

  • Monday

    Monday: Mostly sunny, with a high near 56. Northeast wind 8 to 10 mph.

    High: 56 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Mostly cloudy, with a low around 39. East wind around 6 mph.

    Low: 39 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: Mostly sunny, with a high near 62.

    High: 62 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 44.

    Low: 44 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: Partly sunny, with a high near 70.

    High: 70 °F

    Partly Sunny

  • Wednesday Night

    Wednesday Night: A slight chance of rain and thunderstorms. Mostly cloudy, with a low around 55. Chance of precipitation is 20%.

    Low: 55 °F

    Slight Chance
    T-storms

Detailed Forecast

Tonight
Clear, with a low around 61. South wind 7 to 9 mph, with gusts as high as 22 mph.
Sunday
Mostly sunny, with a high near 87. South wind 8 to 17 mph becoming north in the afternoon. Winds could gust as high as 25 mph.
Sunday Night
Mostly cloudy, then gradually becoming mostly clear, with a low around 36. Breezy, with a north wind 17 to 22 mph decreasing to 11 to 16 mph after midnight. Winds could gust as high as 36 mph.
Monday
Mostly sunny, with a high near 56. Northeast wind 8 to 10 mph.
Monday Night
Mostly cloudy, with a low around 39. East wind around 6 mph.
Tuesday
Mostly sunny, with a high near 62.
Tuesday Night
Mostly cloudy, with a low around 44.
Wednesday
Partly sunny, with a high near 70.
Wednesday Night
A slight chance of rain and thunderstorms. Mostly cloudy, with a low around 55. Chance of precipitation is 20%.
Thursday
A 20 percent chance of rain and thunderstorms after 1pm. Sunny, with a high near 81.
Thursday Night
A 40 percent chance of rain and thunderstorms. Partly cloudy, with a low around 44.
Friday
A 40 percent chance of rain. Partly sunny, with a high near 54.
Friday Night
A 30 percent chance of rain. Mostly cloudy, with a low around 36.
Saturday
A 20 percent chance of rain. Mostly sunny, with a high near 55.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
3 Miles SW Alhambra IL
 38.87°N 89.77°W (Elev. 541 ft)
Last Update:
5:26 pm CDT Mar 21, 2026
Forecast Valid:
5pm CDT Mar 21, 2026-6pm CDT Mar 28, 2026
 
Forecast Discussion
 
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Additional Resources

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Hourly Weather Forecast

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation