National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

Hazardous Weather Conditions

Current conditions at

St. Louis Regional Airport (KALN)

Lat: 38.89°NLon: 90.03°WElev: 518ft.

Fair and Breezy

75°F

24°C

Humidity 27%
Wind Speed S 23 G 30 mph
Barometer 30.07 in
Dewpoint 39°F (4°C)
Visibility 10.00 mi
Last update 8 Apr 4:50 pm CDT
Extended Forecast for

East Gillespie IL

  • Tonight

    Tonight: Mostly clear, with a low around 51. South wind 10 to 16 mph, with gusts as high as 24 mph.

    Low: 51 °F

    Mostly Clear

  • Thursday

    Thursday: Sunny, with a high near 77. Southwest wind 9 to 13 mph.

    High: 77 °F

    Sunny

  • Thursday Night

    Thursday Night: A 20 percent chance of showers after 1am. Increasing clouds, with a low around 56. South wind 9 to 11 mph, with gusts as high as 20 mph.

    Low: 56 °F

    Partly Cloudy
    then Slight
    Chance
    Showers

  • Friday

    Friday: Showers likely before 10am, then showers likely and possibly a thunderstorm between 10am and 4pm, then showers likely after 4pm. Mostly cloudy, with a high near 67. Southwest wind around 10 mph becoming northwest in the afternoon. Chance of precipitation is 70%.

    High: 67 °F

    Showers
    Likely

  • Friday Night

    Friday Night: A 40 percent chance of showers. Mostly cloudy, with a low around 47. Northeast wind around 6 mph.

    Low: 47 °F

    Chance
    Showers

  • Saturday

    Saturday: A chance of showers before 1pm, then a slight chance of showers and thunderstorms between 1pm and 4pm, then a slight chance of showers after 4pm. Partly sunny, with a high near 69. Chance of precipitation is 30%.

    High: 69 °F

    Chance
    Showers

  • Saturday Night

    Saturday Night: Mostly cloudy, with a low around 57.

    Low: 57 °F

    Mostly Cloudy

  • Sunday

    Sunday: A 20 percent chance of showers and thunderstorms after 1pm. Mostly cloudy, with a high near 76. Breezy.

    High: 76 °F

    Mostly Cloudy
    then Slight
    Chance
    T-storms and
    Breezy

  • Sunday Night

    Sunday Night: A slight chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 1am. Mostly cloudy, with a low around 63. Chance of precipitation is 60%.

    Low: 63 °F

    Slight Chance
    T-storms then
    Showers
    Likely

Detailed Forecast

Tonight
Mostly clear, with a low around 51. South wind 10 to 16 mph, with gusts as high as 24 mph.
Thursday
Sunny, with a high near 77. Southwest wind 9 to 13 mph.
Thursday Night
A 20 percent chance of showers after 1am. Increasing clouds, with a low around 56. South wind 9 to 11 mph, with gusts as high as 20 mph.
Friday
Showers likely before 10am, then showers likely and possibly a thunderstorm between 10am and 4pm, then showers likely after 4pm. Mostly cloudy, with a high near 67. Southwest wind around 10 mph becoming northwest in the afternoon. Chance of precipitation is 70%.
Friday Night
A 40 percent chance of showers. Mostly cloudy, with a low around 47. Northeast wind around 6 mph.
Saturday
A chance of showers before 1pm, then a slight chance of showers and thunderstorms between 1pm and 4pm, then a slight chance of showers after 4pm. Partly sunny, with a high near 69. Chance of precipitation is 30%.
Saturday Night
Mostly cloudy, with a low around 57.
Sunday
A 20 percent chance of showers and thunderstorms after 1pm. Mostly cloudy, with a high near 76. Breezy.
Sunday Night
A slight chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 1am. Mostly cloudy, with a low around 63. Chance of precipitation is 60%.
Monday
A 50 percent chance of showers and thunderstorms, mainly before 1pm. Partly sunny, with a high near 80. Breezy.
Monday Night
A 50 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 64.
Tuesday
Showers likely and possibly a thunderstorm. Mostly cloudy, with a high near 79. Chance of precipitation is 70%.
Tuesday Night
Showers likely and possibly a thunderstorm. Mostly cloudy, with a low around 52. Chance of precipitation is 60%.
Wednesday
A 40 percent chance of showers and thunderstorms. Partly sunny, with a high near 66.
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ABOUT THIS FORECAST

 
Point Forecast:
East Gillespie IL
 39.14°N 89.81°W (Elev. 663 ft)
Last Update:
2:41 pm CDT Apr 8, 2026
Forecast Valid:
5pm CDT Apr 8, 2026-6pm CDT Apr 15, 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