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

37°F

3°C

Humidity 87%
Wind Speed S 6 mph
Barometer 29.96 in
Dewpoint 34°F (1°C)
Visibility 5.00 mi
Wind Chill32°F (0°C)
Last update 7 Dec 6:50 am CST
Extended Forecast for

East Gillespie IL

  • Today

    Today: A chance of flurries, mixing with sprinkles after 9am, then gradually ending. Cloudy, with a high near 36. South wind 5 to 14 mph becoming north in the afternoon. Winds could gust as high as 23 mph.

    High: 36 °F

    Chance
    Sprinkles/Flurries
    then Cloudy

  • Tonight

    Tonight: Mostly cloudy, with a low around 19. North wind 6 to 13 mph, with gusts as high as 22 mph.

    Low: 19 °F

    Mostly Cloudy

  • Monday

    Monday: Mostly sunny, with a high near 31. North wind around 5 mph becoming calm in the morning.

    High: 31 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 21. Light south wind increasing to 6 to 11 mph in the evening. Winds could gust as high as 20 mph.

    Low: 21 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Mostly sunny, with a high near 47. Southwest wind 11 to 13 mph, with gusts as high as 20 mph.

    High: 47 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 37.

    Low: 37 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: Partly sunny, with a high near 44.

    High: 44 °F

    Partly Sunny

  • Wednesday Night

    Wednesday Night: A 30 percent chance of snow after midnight. Mostly cloudy, with a low around 25.

    Low: 25 °F

    Mostly Cloudy
    then Chance
    Snow

  • Thursday

    Thursday: A 40 percent chance of snow. Mostly cloudy, with a high near 33.

    High: 33 °F

    Chance Snow

Detailed Forecast

Today
A chance of flurries, mixing with sprinkles after 9am, then gradually ending. Cloudy, with a high near 36. South wind 5 to 14 mph becoming north in the afternoon. Winds could gust as high as 23 mph.
Tonight
Mostly cloudy, with a low around 19. North wind 6 to 13 mph, with gusts as high as 22 mph.
Monday
Mostly sunny, with a high near 31. North wind around 5 mph becoming calm in the morning.
Monday Night
Partly cloudy, with a low around 21. Light south wind increasing to 6 to 11 mph in the evening. Winds could gust as high as 20 mph.
Tuesday
Mostly sunny, with a high near 47. Southwest wind 11 to 13 mph, with gusts as high as 20 mph.
Tuesday Night
Mostly cloudy, with a low around 37.
Wednesday
Partly sunny, with a high near 44.
Wednesday Night
A 30 percent chance of snow after midnight. Mostly cloudy, with a low around 25.
Thursday
A 40 percent chance of snow. Mostly cloudy, with a high near 33.
Thursday Night
A 20 percent chance of snow before midnight. Mostly cloudy, with a low around 13.
Friday
Mostly sunny, with a high near 22.
Friday Night
Mostly cloudy, with a low around 2.
Saturday
Partly sunny and cold, with a high near 17.
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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:
5:01 am CST Dec 7, 2025
Forecast Valid:
7am CST Dec 7, 2025-6pm CST Dec 13, 2025
 
Forecast Discussion
 
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Additional Resources

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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