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

55°F

13°C

Humidity 55%
Wind Speed Vrbl 3 mph
Barometer 29.86 in
Dewpoint 39°F (4°C)
Visibility 10.00 mi
Last update 8 Nov 11:50 am CST
Extended Forecast for

Gillespie IL

  • This Afternoon

    This Afternoon: Scattered showers, mainly after 5pm. Sunny early, then becoming cloudy, with a high near 61. Light and variable wind becoming south around 6 mph. Chance of precipitation is 40%.

    High: 61 °F

    Scattered
    Showers

  • Tonight

    Tonight: Scattered showers before midnight, then scattered sprinkles between midnight and 1am. Mostly cloudy, with a low around 34. Breezy, with an east wind 6 to 11 mph becoming northwest 15 to 20 mph in the evening. Winds could gust as high as 30 mph. Chance of precipitation is 40%.

    Low: 34 °F

    Scattered
    Showers then
    Breezy

  • Sunday

    Sunday: Scattered flurries. Mostly sunny, with a high near 36. Breezy, with a northwest wind 16 to 21 mph, with gusts as high as 31 mph.

    High: 36 °F

    Scattered
    Flurries and
    Breezy

  • Sunday Night

    Sunday Night: A chance of flurries before midnight. Partly cloudy, with a low around 22. Northwest wind 10 to 14 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 53.

    High: 53 °F

    Partly Sunny

  • Tuesday Night

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

    Low: 37 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny, with a high near 61.

    High: 61 °F

    Sunny

Detailed Forecast

This Afternoon
Scattered showers, mainly after 5pm. Sunny early, then becoming cloudy, with a high near 61. Light and variable wind becoming south around 6 mph. Chance of precipitation is 40%.
Tonight
Scattered showers before midnight, then scattered sprinkles between midnight and 1am. Mostly cloudy, with a low around 34. Breezy, with an east wind 6 to 11 mph becoming northwest 15 to 20 mph in the evening. Winds could gust as high as 30 mph. Chance of precipitation is 40%.
Sunday
Scattered flurries. Mostly sunny, with a high near 36. Breezy, with a northwest wind 16 to 21 mph, with gusts as high as 31 mph.
Sunday Night
A chance of flurries before midnight. Partly cloudy, with a low around 22. Northwest wind 10 to 14 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 53.
Tuesday Night
Mostly clear, with a low around 37.
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
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ABOUT THIS FORECAST

 
Point Forecast:
Gillespie IL
 39.12°N 89.81°W (Elev. 653 ft)
Last Update:
11:31 am CST Nov 8, 2025
Forecast Valid:
12pm CST Nov 8, 2025-6pm CST Nov 14, 2025
 
Forecast Discussion
 
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Additional Resources

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Chance of Precipitation