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

45°F

7°C

Humidity 49%
Wind Speed Calm
Barometer 29.78 in
Dewpoint 27°F (-3°C)
Visibility 10.00 mi
Last update 25 Feb 9:50 am CST
Extended Forecast for

3 Miles SW Alhambra IL

  • Today

    Today: Mostly cloudy, with a high near 50. North wind around 5 mph becoming calm in the afternoon.

    High: 50 °F

    Mostly Cloudy

  • Tonight

    Tonight: A 50 percent chance of rain, mainly after 9pm. Mostly cloudy, with a low around 33. Calm wind becoming northeast around 6 mph in the evening.

    Low: 33 °F

    Chance Rain

  • Thursday

    Thursday: A 20 percent chance of rain before 7am. Mostly sunny, with a high near 52. Northeast wind around 6 mph becoming light and variable in the afternoon.

    High: 52 °F

    Slight Chance
    Rain then
    Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 33. Calm wind becoming south around 5 mph after midnight.

    Low: 33 °F

    Mostly Clear

  • Friday

    Friday: Sunny, with a high near 66. Southwest wind 5 to 13 mph.

    High: 66 °F

    Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 41.

    Low: 41 °F

    Mostly Clear

  • Saturday

    Saturday: Mostly sunny, with a high near 61.

    High: 61 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: A 20 percent chance of rain. Partly cloudy, with a low around 31.

    Low: 31 °F

    Slight Chance
    Rain

  • Sunday

    Sunday: A slight chance of rain before noon, then a chance of rain and snow. Mostly cloudy, with a high near 43. Chance of precipitation is 40%.

    High: 43 °F

    Slight Chance
    Rain then
    Chance
    Rain/Snow

Detailed Forecast

Today
Mostly cloudy, with a high near 50. North wind around 5 mph becoming calm in the afternoon.
Tonight
A 50 percent chance of rain, mainly after 9pm. Mostly cloudy, with a low around 33. Calm wind becoming northeast around 6 mph in the evening.
Thursday
A 20 percent chance of rain before 7am. Mostly sunny, with a high near 52. Northeast wind around 6 mph becoming light and variable in the afternoon.
Thursday Night
Mostly clear, with a low around 33. Calm wind becoming south around 5 mph after midnight.
Friday
Sunny, with a high near 66. Southwest wind 5 to 13 mph.
Friday Night
Mostly clear, with a low around 41.
Saturday
Mostly sunny, with a high near 61.
Saturday Night
A 20 percent chance of rain. Partly cloudy, with a low around 31.
Sunday
A slight chance of rain before noon, then a chance of rain and snow. Mostly cloudy, with a high near 43. Chance of precipitation is 40%.
Sunday Night
Rain and snow likely, mainly before midnight. Cloudy, with a low around 31. Chance of precipitation is 60%.
Monday
A 30 percent chance of rain. Mostly cloudy, with a high near 40.
Monday Night
A 40 percent chance of rain and thunderstorms. Mostly cloudy, with a low around 29.
Tuesday
A 50 percent chance of rain. Mostly cloudy, with a high near 45.
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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:
8:56 am CST Feb 25, 2026
Forecast Valid:
10am CST Feb 25, 2026-6pm CST Mar 3, 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