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

44°F

7°C

Humidity 77%
Wind Speed NA
Barometer 29.86 in
Dewpoint 37°F (3°C)
Visibility 10.00 mi
Last update 8 Nov 6:35 am CST
Extended Forecast for

2 Miles WNW Chesterfield IL

  • Today

    Today: A 40 percent chance of rain, mainly after 3pm. Cloudy, with a high near 61. Calm wind becoming east around 6 mph in the afternoon.

    High: 61 °F

    Mostly Cloudy
    then Chance
    Rain

  • Tonight

    Tonight: Rain likely, mainly before 11pm. Mostly cloudy, with a low around 32. Northeast wind 7 to 12 mph becoming northwest 13 to 18 mph in the evening. Winds could gust as high as 29 mph. Chance of precipitation is 60%.

    Low: 32 °F

    Rain Likely
    then Slight
    Chance Rain

  • Sunday

    Sunday: A chance of flurries after noon. Mostly sunny, with a high near 39. Breezy, with a northwest wind 14 to 21 mph, with gusts as high as 30 mph.

    High: 39 °F

    Chance
    Flurries and
    Breezy

  • Sunday Night

    Sunday Night: A chance of flurries before midnight. Partly cloudy, with a low around 22. Northwest wind 10 to 13 mph, with gusts as high as 22 mph.

    Low: 22 °F

    Chance
    Flurries

  • Monday

    Monday: Sunny, with a high near 39. Northwest wind 8 to 16 mph, with gusts as high as 23 mph.

    High: 39 °F

    Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 22.

    Low: 22 °F

    Partly Cloudy

  • Veterans Day

    Veterans Day: Partly sunny, with a high near 54.

    High: 54 °F

    Partly Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 36.

    Low: 36 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny, with a high near 61.

    High: 61 °F

    Sunny

Detailed Forecast

Today
A 40 percent chance of rain, mainly after 3pm. Cloudy, with a high near 61. Calm wind becoming east around 6 mph in the afternoon.
Tonight
Rain likely, mainly before 11pm. Mostly cloudy, with a low around 32. Northeast wind 7 to 12 mph becoming northwest 13 to 18 mph in the evening. Winds could gust as high as 29 mph. Chance of precipitation is 60%.
Sunday
A chance of flurries after noon. Mostly sunny, with a high near 39. Breezy, with a northwest wind 14 to 21 mph, with gusts as high as 30 mph.
Sunday Night
A chance of flurries before midnight. Partly cloudy, with a low around 22. Northwest wind 10 to 13 mph, with gusts as high as 22 mph.
Monday
Sunny, with a high near 39. Northwest wind 8 to 16 mph, with gusts as high as 23 mph.
Monday Night
Partly cloudy, with a low around 22.
Veterans Day
Partly sunny, with a high near 54.
Tuesday Night
Mostly clear, with a low around 36.
Wednesday
Sunny, with a high near 61.
Wednesday Night
Mostly clear, with a low around 33.
Thursday
Sunny, with a high near 60.
Thursday Night
Partly cloudy, with a low around 40.
Friday
Mostly sunny, with a high near 65.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
2 Miles WNW Chesterfield IL
 39.26°N 90.12°W (Elev. 551 ft)
Last Update:
5:26 am CST Nov 8, 2025
Forecast Valid:
7am CST Nov 8, 2025-6pm CST Nov 14, 2025
 
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