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

74°F

23°C

Humidity 69%
Wind Speed S 14 mph
Barometer 29.89 in
Dewpoint 63°F (17°C)
Visibility 10.00 mi
Last update 13 Apr 11:35 pm CDT
Extended Forecast for

3 Miles SW Alhambra IL

  • Tonight

    Tonight: Partly cloudy, with a low around 67. South wind 11 to 14 mph, with gusts as high as 24 mph.

    Low: 67 °F

    Partly Cloudy

  • Tuesday

    Tuesday: A 30 percent chance of showers and thunderstorms, mainly between 1pm and 2pm. Mostly sunny, with a high near 87. South wind 10 to 18 mph, with gusts as high as 25 mph.

    High: 87 °F

    Mostly Sunny
    then Chance
    T-storms

  • Tuesday Night

    Tuesday Night: A slight chance of showers and thunderstorms before 9pm, then a chance of showers and thunderstorms after 10pm. Increasing clouds, with a low around 68. South wind 10 to 16 mph, with gusts as high as 23 mph. Chance of precipitation is 40%.

    Low: 68 °F

    Chance
    T-storms

  • Wednesday

    Wednesday: A chance of showers before 10am, then a chance of showers and thunderstorms between 10am and 1pm, then showers likely and possibly a thunderstorm after 1pm. Mostly cloudy, with a high near 80. South wind 10 to 15 mph, with gusts as high as 22 mph. Chance of precipitation is 60%.

    High: 80 °F

    Showers
    Likely

  • Wednesday Night

    Wednesday Night: Showers likely and possibly a thunderstorm. Mostly cloudy, with a low around 62. Southwest wind 9 to 11 mph. Chance of precipitation is 70%.

    Low: 62 °F

    Showers
    Likely

  • Thursday

    Thursday: A 50 percent chance of showers and thunderstorms. Partly sunny, with a high near 80.

    High: 80 °F

    Chance
    T-storms

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 59.

    Low: 59 °F

    Mostly Clear

  • Friday

    Friday: A 20 percent chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 85.

    High: 85 °F

    Mostly Sunny
    then Slight
    Chance
    T-storms

  • Friday Night

    Friday Night: A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 1am. Mostly cloudy, with a low around 61. Chance of precipitation is 70%.

    Low: 61 °F

    Chance
    T-storms then
    Showers
    Likely

Detailed Forecast

Tonight
Partly cloudy, with a low around 67. South wind 11 to 14 mph, with gusts as high as 24 mph.
Tuesday
A 30 percent chance of showers and thunderstorms, mainly between 1pm and 2pm. Mostly sunny, with a high near 87. South wind 10 to 18 mph, with gusts as high as 25 mph.
Tuesday Night
A slight chance of showers and thunderstorms before 9pm, then a chance of showers and thunderstorms after 10pm. Increasing clouds, with a low around 68. South wind 10 to 16 mph, with gusts as high as 23 mph. Chance of precipitation is 40%.
Wednesday
A chance of showers before 10am, then a chance of showers and thunderstorms between 10am and 1pm, then showers likely and possibly a thunderstorm after 1pm. Mostly cloudy, with a high near 80. South wind 10 to 15 mph, with gusts as high as 22 mph. Chance of precipitation is 60%.
Wednesday Night
Showers likely and possibly a thunderstorm. Mostly cloudy, with a low around 62. Southwest wind 9 to 11 mph. Chance of precipitation is 70%.
Thursday
A 50 percent chance of showers and thunderstorms. Partly sunny, with a high near 80.
Thursday Night
Mostly clear, with a low around 59.
Friday
A 20 percent chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 85.
Friday Night
A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 1am. Mostly cloudy, with a low around 61. Chance of precipitation is 70%.
Saturday
Showers likely and possibly a thunderstorm before 1pm, then a chance of showers and thunderstorms after 1pm. Partly sunny, with a high near 72. Chance of precipitation is 60%.
Saturday Night
A 20 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 41.
Sunday
Sunny, with a high near 62.
Sunday Night
Mostly clear, with a low around 38.
Monday
Sunny, with a high near 67.
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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:
10:46 pm CDT Apr 13, 2026
Forecast Valid:
11pm CDT Apr 13, 2026-6pm CDT Apr 20, 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