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.

Mostly Cloudy

43°F

6°C

Humidity 71%
Wind Speed N 15 mph
Barometer 30.01 in
Dewpoint 34°F (1°C)
Visibility 10.00 mi
Wind Chill36°F (2°C)
Last update 6 Feb 1:45 pm CST
Extended Forecast for

East Gillespie IL

  • This Afternoon

    This Afternoon: Partly sunny, with a high near 42. Northwest wind 14 to 18 mph, with gusts as high as 30 mph.

    High: 42 °F

    Partly Sunny

  • Tonight

    Tonight: Partly cloudy, with a low around 19. North wind 6 to 15 mph, with gusts as high as 28 mph.

    Low: 19 °F

    Partly Cloudy

  • Saturday

    Saturday: Sunny, with a high near 32. Northeast wind around 6 mph becoming southeast in the afternoon.

    High: 32 °F

    Sunny

  • Saturday Night

    Saturday Night: Mostly cloudy, with a low around 23. Southeast wind 6 to 10 mph.

    Low: 23 °F

    Mostly Cloudy

  • Sunday

    Sunday: Mostly sunny, with a high near 45. South wind 6 to 10 mph.

    High: 45 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 27.

    Low: 27 °F

    Mostly Clear

  • Monday

    Monday: Sunny, with a high near 55.

    High: 55 °F

    Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 37.

    Low: 37 °F

    Partly Cloudy

  • Tuesday

    Tuesday: A 30 percent chance of rain after noon. Mostly cloudy, with a high near 62.

    High: 62 °F

    Mostly Cloudy
    then Chance
    Rain

Detailed Forecast

This Afternoon
Partly sunny, with a high near 42. Northwest wind 14 to 18 mph, with gusts as high as 30 mph.
Tonight
Partly cloudy, with a low around 19. North wind 6 to 15 mph, with gusts as high as 28 mph.
Saturday
Sunny, with a high near 32. Northeast wind around 6 mph becoming southeast in the afternoon.
Saturday Night
Mostly cloudy, with a low around 23. Southeast wind 6 to 10 mph.
Sunday
Mostly sunny, with a high near 45. South wind 6 to 10 mph.
Sunday Night
Mostly clear, with a low around 27.
Monday
Sunny, with a high near 55.
Monday Night
Partly cloudy, with a low around 37.
Tuesday
A 30 percent chance of rain after noon. Mostly cloudy, with a high near 62.
Tuesday Night
Rain likely, mainly before midnight. Mostly cloudy, with a low around 36. Chance of precipitation is 60%.
Wednesday
A 30 percent chance of rain. Partly sunny, with a high near 47.
Wednesday Night
A 20 percent chance of rain. Mostly cloudy, with a low around 28.
Thursday
A 20 percent chance of rain. Partly sunny, with a high near 43.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
East Gillespie IL
 39.14°N 89.81°W (Elev. 663 ft)
Last Update:
1:41 pm CST Feb 6, 2026
Forecast Valid:
2pm CST Feb 6, 2026-6pm CST Feb 12, 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