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

54°F

12°C

Humidity 35%
Wind Speed Vrbl 3 mph
Barometer 29.77 in
Dewpoint 27°F (-3°C)
Visibility 10.00 mi
Last update 25 Feb 1:50 pm CST
Extended Forecast for

3 Miles SW Alhambra IL

  • This Afternoon

    This Afternoon: Mostly cloudy, with a high near 50. Northwest wind around 5 mph becoming calm.

    High: 50 °F

    Mostly Cloudy

  • Tonight

    Tonight: A 50 percent chance of rain, mainly before 4am. Mostly cloudy, with a low around 33. Calm wind becoming northeast around 6 mph in the evening.

    Low: 33 °F

    Chance Rain

  • Thursday

    Thursday: Mostly cloudy, then gradually becoming sunny, with a high near 52. East wind around 6 mph becoming calm in the afternoon.

    High: 52 °F

    Decreasing
    Clouds

  • 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 67. Southwest wind 5 to 13 mph, with gusts as high as 20 mph.

    High: 67 °F

    Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 39.

    Low: 39 °F

    Mostly Clear

  • Saturday

    Saturday: A 20 percent chance of rain. Sunny, with a high near 61.

    High: 61 °F

    Slight Chance
    Rain

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 29.

    Low: 29 °F

    Partly Cloudy

  • Sunday

    Sunday: A chance of snow before noon, then a chance of rain and snow. Cloudy, with a high near 42. Chance of precipitation is 40%.

    High: 42 °F

    Chance Snow
    then Chance
    Rain/Snow

Detailed Forecast

This Afternoon
Mostly cloudy, with a high near 50. Northwest wind around 5 mph becoming calm.
Tonight
A 50 percent chance of rain, mainly before 4am. Mostly cloudy, with a low around 33. Calm wind becoming northeast around 6 mph in the evening.
Thursday
Mostly cloudy, then gradually becoming sunny, with a high near 52. East wind around 6 mph becoming calm 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 67. Southwest wind 5 to 13 mph, with gusts as high as 20 mph.
Friday Night
Mostly clear, with a low around 39.
Saturday
A 20 percent chance of rain. Sunny, with a high near 61.
Saturday Night
Partly cloudy, with a low around 29.
Sunday
A chance of snow before noon, then a chance of rain and snow. Cloudy, with a high near 42. Chance of precipitation is 40%.
Sunday Night
Rain, snow, and freezing rain likely. Cloudy, with a low around 27. Chance of precipitation is 70%.
Monday
A chance of rain and snow. Cloudy, with a high near 39. Chance of precipitation is 30%.
Monday Night
A 40 percent chance of rain. Cloudy, with a low around 27.
Tuesday
A 50 percent chance of rain. Mostly cloudy, with a high near 42.
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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:
12:26 pm CST Feb 25, 2026
Forecast Valid:
2pm CST Feb 25, 2026-6pm CST Mar 3, 2026
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

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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