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

40°F

4°C

Humidity 61%
Wind Speed Calm
Barometer 30.39 in
Dewpoint 28°F (-2°C)
Visibility 10.00 mi
Last update 23 Mar 10:15 pm CDT
Extended Forecast for

3 Miles SW Alhambra IL

  • Tonight

    Tonight: Mostly cloudy, with a low around 35. East wind around 7 mph.

    Low: 35 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: Mostly sunny, with a high near 61. Southeast wind 6 to 8 mph.

    High: 61 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 43. Southeast wind 3 to 6 mph.

    Low: 43 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: Mostly sunny, with a high near 75. Light southeast wind becoming south 8 to 13 mph in the morning.

    High: 75 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 61. South wind around 10 mph.

    Low: 61 °F

    Partly Cloudy

  • Thursday

    Thursday: Sunny, with a high near 87.

    High: 87 °F

    Sunny

  • Thursday Night

    Thursday Night: Showers and possibly a thunderstorm. Low around 41. Breezy. Chance of precipitation is 80%.

    Low: 41 °F

    Showers and
    Breezy

  • Friday

    Friday: A chance of showers before 1pm, then a slight chance of rain after 1pm. Mostly cloudy, with a high near 51. Breezy. Chance of precipitation is 40%.

    High: 51 °F

    Chance
    Showers and
    Breezy

  • Friday Night

    Friday Night: Partly cloudy, with a low around 30.

    Low: 30 °F

    Partly Cloudy

Detailed Forecast

Tonight
Mostly cloudy, with a low around 35. East wind around 7 mph.
Tuesday
Mostly sunny, with a high near 61. Southeast wind 6 to 8 mph.
Tuesday Night
Mostly cloudy, with a low around 43. Southeast wind 3 to 6 mph.
Wednesday
Mostly sunny, with a high near 75. Light southeast wind becoming south 8 to 13 mph in the morning.
Wednesday Night
Partly cloudy, with a low around 61. South wind around 10 mph.
Thursday
Sunny, with a high near 87.
Thursday Night
Showers and possibly a thunderstorm. Low around 41. Breezy. Chance of precipitation is 80%.
Friday
A chance of showers before 1pm, then a slight chance of rain after 1pm. Mostly cloudy, with a high near 51. Breezy. Chance of precipitation is 40%.
Friday Night
Partly cloudy, with a low around 30.
Saturday
Sunny, with a high near 55.
Saturday Night
Partly cloudy, with a low around 36.
Sunday
Mostly sunny, with a high near 62.
Sunday Night
Mostly cloudy, with a low around 46.
Monday
A 20 percent chance of rain. Mostly sunny, with a high near 69.
Basemap Options
Click map to change the forecast location
Loading map...
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:
10:21 pm CDT Mar 23, 2026
Forecast Valid:
10pm CDT Mar 23, 2026-6pm CDT Mar 30, 2026
 
Forecast Discussion
 
Get as KML Get as XML

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