NWS St. Louis Announces Changes To May 16, 2025 Tornado Damage Assessment

After a year-long review of new ground survey data and aerial imagery, NWS St. Louis made several adjustments to the May 16, 2025 tornado damage assessment. Read More >

Current conditions at

St. Louis Regional Airport (KALN)

Lat: 38.89°NLon: 90.03°WElev: 518ft.

Mostly Cloudy

69°F

21°C

Humidity 75%
Wind Speed N 5 mph
Barometer 29.97 in
Dewpoint 61°F (16°C)
Visibility 10.00 mi
Last update 12 Jun 4:35 am CDT
Extended Forecast for

Gillespie IL

  • Today

    Today: Sunny, with a high near 81. Northwest wind 3 to 6 mph.

    High: 81 °F

    Sunny

  • Tonight

    Tonight: Mostly clear, with a low around 60. Calm wind.

    Low: 60 °F

    Mostly Clear

  • Saturday

    Saturday: A slight chance of showers, then a chance of showers and thunderstorms after 10am.  Partly sunny, with a high near 82. South wind 6 to 11 mph.  Chance of precipitation is 30%.

    High: 82 °F

    Chance
    T-storms

  • Saturday Night

    Saturday Night: A chance of showers and thunderstorms before 7pm, then showers between 7pm and 10pm, then showers and possibly a thunderstorm after 10pm.  Low around 64. South wind 6 to 10 mph becoming west after midnight.  Chance of precipitation is 90%.

    Low: 64 °F

    Showers

  • Sunday

    Sunday: Mostly sunny, with a high near 73. Northwest wind 13 to 15 mph.

    High: 73 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 53.

    Low: 53 °F

    Partly Cloudy

  • Monday

    Monday: Mostly sunny, with a high near 75.

    High: 75 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 55.

    Low: 55 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Sunny, with a high near 79.

    High: 79 °F

    Sunny

Detailed Forecast

Today
Sunny, with a high near 81. Northwest wind 3 to 6 mph.
Tonight
Mostly clear, with a low around 60. Calm wind.
Saturday
A slight chance of showers, then a chance of showers and thunderstorms after 10am. Partly sunny, with a high near 82. South wind 6 to 11 mph. Chance of precipitation is 30%.
Saturday Night
A chance of showers and thunderstorms before 7pm, then showers between 7pm and 10pm, then showers and possibly a thunderstorm after 10pm. Low around 64. South wind 6 to 10 mph becoming west after midnight. Chance of precipitation is 90%.
Sunday
Mostly sunny, with a high near 73. Northwest wind 13 to 15 mph.
Sunday Night
Partly cloudy, with a low around 53.
Monday
Mostly sunny, with a high near 75.
Monday Night
Partly cloudy, with a low around 55.
Tuesday
Sunny, with a high near 79.
Tuesday Night
A chance of showers and thunderstorms. Partly cloudy, with a low around 59. Chance of precipitation is 30%.
Wednesday
A 40 percent chance of showers and thunderstorms. Partly sunny, with a high near 83. Breezy.
Wednesday Night
Showers and thunderstorms likely. Partly cloudy, with a low around 66. Breezy. Chance of precipitation is 70%.
Thursday
A 40 percent chance of showers and thunderstorms. Mostly sunny, with a high near 84.
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ABOUT THIS FORECAST

 
Point Forecast:
Gillespie IL
 39.12°N 89.81°W (Elev. 653 ft)
3:16 am CDT Jun 12, 2026
4am CDT Jun 12, 2026-6pm CDT Jun 18, 2026
 
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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