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.

Fog/Mist

54°F

12°C

Humidity 96%
Wind Speed Calm
Barometer 30.01 in
Dewpoint 53°F (12°C)
Visibility 2.50 mi
Last update 5 Mar 11:35 pm CST
Extended Forecast for

3 Miles SW Alhambra IL

  • Tonight

    Tonight: A 20 percent chance of rain and thunderstorms after 2am. Patchy fog between 1am and 5am. Otherwise, mostly cloudy, with a low around 54. Calm wind becoming southeast 5 to 8 mph after midnight.

    Low: 54 °F

    Slight Chance
    T-storms and
    Patchy Fog

  • Friday

    Friday: Partly sunny, with a high near 76. Breezy, with a south wind 9 to 14 mph increasing to 16 to 21 mph in the afternoon. Winds could gust as high as 30 mph.

    High: 76 °F

    Partly Sunny
    then Partly
    Sunny and
    Breezy

  • Friday Night

    Friday Night: Rain and thunderstorms likely, then rain and possibly a thunderstorm after 3am. Low around 62. South wind 14 to 17 mph, with gusts as high as 28 mph. Chance of precipitation is 80%.

    Low: 62 °F

    Slight Chance
    T-storms then
    Rain

  • Saturday

    Saturday: Rain likely and possibly a thunderstorm before noon. Mostly cloudy, with a temperature rising to near 66 by 10am, then falling to around 57 during the remainder of the day. South wind 13 to 17 mph becoming west in the afternoon. Winds could gust as high as 24 mph. Chance of precipitation is 60%.

    High: 66 °F⇓

    Rain Likely
    then Partly
    Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 39. Northwest wind 6 to 11 mph becoming light after midnight.

    Low: 39 °F

    Partly Cloudy

  • Sunday

    Sunday: Sunny, with a high near 64.

    High: 64 °F

    Sunny

  • Sunday Night

    Sunday Night: Clear, with a low around 48.

    Low: 48 °F

    Clear

  • Monday

    Monday: Sunny, with a high near 76.

    High: 76 °F

    Sunny

  • Monday Night

    Monday Night: A slight chance of rain, then a chance of rain and thunderstorms after midnight. Partly cloudy, with a low around 59. Chance of precipitation is 30%.

    Low: 59 °F

    Chance Rain

Detailed Forecast

Tonight
A 20 percent chance of rain and thunderstorms after 2am. Patchy fog between 1am and 5am. Otherwise, mostly cloudy, with a low around 54. Calm wind becoming southeast 5 to 8 mph after midnight.
Friday
Partly sunny, with a high near 76. Breezy, with a south wind 9 to 14 mph increasing to 16 to 21 mph in the afternoon. Winds could gust as high as 30 mph.
Friday Night
Rain and thunderstorms likely, then rain and possibly a thunderstorm after 3am. Low around 62. South wind 14 to 17 mph, with gusts as high as 28 mph. Chance of precipitation is 80%.
Saturday
Rain likely and possibly a thunderstorm before noon. Mostly cloudy, with a temperature rising to near 66 by 10am, then falling to around 57 during the remainder of the day. South wind 13 to 17 mph becoming west in the afternoon. Winds could gust as high as 24 mph. Chance of precipitation is 60%.
Saturday Night
Partly cloudy, with a low around 39. Northwest wind 6 to 11 mph becoming light after midnight.
Sunday
Sunny, with a high near 64.
Sunday Night
Clear, with a low around 48.
Monday
Sunny, with a high near 76.
Monday Night
A slight chance of rain, then a chance of rain and thunderstorms after midnight. Partly cloudy, with a low around 59. Chance of precipitation is 30%.
Tuesday
Rain likely and possibly a thunderstorm. Partly sunny, with a high near 77. Chance of precipitation is 70%.
Tuesday Night
Rain and possibly a thunderstorm. Low around 54. Chance of precipitation is 90%.
Wednesday
Rain likely. Mostly cloudy, with a high near 64. Chance of precipitation is 70%.
Wednesday Night
A 20 percent chance of rain. Partly cloudy, with a low around 35.
Thursday
Sunny, with a high near 53.
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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:
11:06 pm CST Mar 5, 2026
Forecast Valid:
11pm CST Mar 5, 2026-6pm CDT Mar 12, 2026
 
Forecast Discussion
 
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Additional Resources

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Chance of Precipitation