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

45°F

7°C

Humidity 93%
Wind Speed NE 3 mph
Barometer 29.87 in
Dewpoint 43°F (6°C)
Visibility 10.00 mi
Last update 15 Feb 2:55 am CST
Extended Forecast for

3 Miles SW Alhambra IL

  • Overnight

    Overnight: Rain likely, mainly before 4am. Cloudy, with a low around 43. Northeast wind around 8 mph. Chance of precipitation is 70%.

    Low: 43 °F

    Rain Likely

  • Sunday

    Sunday: Cloudy through mid morning, then gradual clearing, with a high near 55. North wind 5 to 10 mph becoming light northwest in the afternoon.

    High: 55 °F

    Gradual
    Clearing

  • Sunday Night

    Sunday Night: Patchy fog after 11pm. Otherwise, mostly clear, with a low around 35. Light and variable wind.

    Low: 35 °F

    Patchy Fog

  • Washington's Birthday

    Washington's Birthday: Patchy fog before 10am. Otherwise, mostly sunny, with a high near 62. Light south wind increasing to 8 to 13 mph in the morning.

    High: 62 °F

    Patchy Fog
    then Mostly
    Sunny

  • Monday Night

    Monday Night: Mostly cloudy, with a low around 41. South wind 6 to 9 mph.

    Low: 41 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: Mostly cloudy, with a high near 63. Breezy.

    High: 63 °F

    Mostly Cloudy
    then Mostly
    Cloudy and
    Breezy

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 56. Breezy.

    Low: 56 °F

    Mostly Cloudy
    and Breezy

  • Wednesday

    Wednesday: Mostly sunny, with a high near 67.

    High: 67 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 42.

    Low: 42 °F

    Mostly Clear

Detailed Forecast

Overnight
Rain likely, mainly before 4am. Cloudy, with a low around 43. Northeast wind around 8 mph. Chance of precipitation is 70%.
Sunday
Cloudy through mid morning, then gradual clearing, with a high near 55. North wind 5 to 10 mph becoming light northwest in the afternoon.
Sunday Night
Patchy fog after 11pm. Otherwise, mostly clear, with a low around 35. Light and variable wind.
Washington's Birthday
Patchy fog before 10am. Otherwise, mostly sunny, with a high near 62. Light south wind increasing to 8 to 13 mph in the morning.
Monday Night
Mostly cloudy, with a low around 41. South wind 6 to 9 mph.
Tuesday
Mostly cloudy, with a high near 63. Breezy.
Tuesday Night
Mostly cloudy, with a low around 56. Breezy.
Wednesday
Mostly sunny, with a high near 67.
Wednesday Night
Mostly clear, with a low around 42.
Thursday
A 30 percent chance of showers after noon. Mostly sunny, with a high near 69.
Thursday Night
A 30 percent chance of showers. Partly cloudy, with a low around 38.
Friday
A 20 percent chance of showers. Mostly sunny, with a high near 51.
Friday Night
Partly cloudy, with a low around 29.
Saturday
Mostly sunny, with a high near 47.
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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:
2:41 am CST Feb 15, 2026
Forecast Valid:
3am CST Feb 15, 2026-6pm CST Feb 21, 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