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Gillespie, IL Weather Forecast

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Gillespie, IL Weather Forecast

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Gillespie IL weather - Partly Cloudy - 78°F
Partly Cloudy
78°F
Updated 6:52 pm
Feels Like 77°F
Humidity 39%
Wind N 10 mph
Barometer  30.11 in
Dew Point 51°F
Gillespie IL weather - Partly Cloudy - 26°C
Partly Cloudy
26°C
Updated 6:52 pm
Feels Like 25°C
Humidity 39%
Wind N 16 km/h
Barometer  101.9 kPa
Dew Point 11°C
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Gillespie Weather Forecast

TONIGHT MONDAY MONDAY NIGHT TUESDAY TUESDAY NIGHT WEDNESDAY WEDNESDAY NIGHT THURSDAY THURSDAY NIGHT FRIDAY FRIDAY NIGHT SATURDAY
Gillespie, IL Weather - Tonight Chance Of Showers Gillespie, IL Weather - Monday Chance Of Showers Gillespie, IL Weather - Monday Night Mostly Clear Gillespie, IL Weather - Tuesday Chance Of T-Storm Gillespie, IL Weather - Tuesday Night Chance Of T-Storm Gillespie, IL Weather - Wednesday Chance Of T-Storm Gillespie, IL Weather - Wednesday Night Chance Of T-Storm Gillespie, IL Weather - Thursday Chance Of T-Storm Gillespie, IL Weather - Thursday Night Chance Of T-Storm Gillespie, IL Weather - Friday Chance Of T-Storm Gillespie, IL Weather - Friday Night Chance Of Showers Gillespie, IL Weather - Saturday Chance Of Showers
Chance of Showers Chance of Showers Mostly Clear Chance of T-Storm Chance of T-Storm Chance of T-Storm Chance of T-Storm Chance of T-Storm Chance of T-Storm Chance of T-Storm Chance of Showers Chance of Showers
Lo: 60°FLo: 16°C Hi: 85°FHi: 29°C
 Lo: 71°FLo: 22°C Hi: 95°FHi: 35°C
 Lo: 69°FLo: 21°C Hi: 91°FHi: 33°C
 Lo: 71°FLo: 22°C Hi: 91°FHi: 33°C
 Hi: 89°FHi: 32°C
Lo: 69°FLo: 21°C		 Hi: 89°FHi: 32°C
Lo: 69°FLo: 21°C		 Lo: 69°FLo: 21°C Hi: 89°FHi: 32°C
POP: 30% POP: 20% POP: 50% POP: 50% POP: 50% POP: 20% POP: 40% POP: 20% POP: 20% POP: 20% POP: 20%
POP = Probability of Precipitation.
Weather Outlook Updated: 558 PM CDT Sun Sep 13 2026 Gillespie, IL Weather - WeatherWorld.com

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Issued: 637 PM CDT Sun Sep 13 2026

Key Messages

  • Summertime heat and humidity returns Tuesday.
  • Chances of showers and thunderstorms each day are mainly confined to northeast Missouri and west-central Illinois.

Aviation

/00Z TAFS THROUGH 06Z TUESDAY/... Issued at 636 PM CDT Sun Sep 13 2026

VFR conditions are expected to prevail for the TAF period for all terminals. There are currently some showers moving through northeastern MO and may briefly impact UIN, but are unlikely to cause a visibility restriction. UIN has another chance of sho...