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Lea Park, IL Weather Forecast

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Lea Park, IL Weather Forecast

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Lea Park IL weather - Clear - 56°F
Clear
56°F
Updated 11:03 pm
Feels Like 59°F
Humidity 75%
Wind E 6 mph
Barometer  30.03 in
Dew Point 48°F
Lea Park IL weather - Clear - 13°C
Clear
13°C
Updated 11:03 pm
Feels Like 15°C
Humidity 75%
Wind E 10 km/h
Barometer  101.7 kPa
Dew Point 9°C
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Lea Park Weather Forecast

REST OF TONIGHT TUESDAY TUESDAY NIGHT WEDNESDAY WEDNESDAY NIGHT THURSDAY THURSDAY NIGHT FRIDAY FRIDAY NIGHT SATURDAY SATURDAY NIGHT SUNDAY
Lea Park, IL Weather - Rest Of Tonight Clear Lea Park, IL Weather - Tuesday Sunny Lea Park, IL Weather - Tuesday Night Partly Cloudy Lea Park, IL Weather - Wednesday Partly Sunny Lea Park, IL Weather - Wednesday Night Mostly Cloudy Lea Park, IL Weather - Thursday Showers Likely Lea Park, IL Weather - Thursday Night Chance Of T-Storm Lea Park, IL Weather - Friday Showers Lea Park, IL Weather - Friday Night Chance Of Showers Lea Park, IL Weather - Saturday Chance Of Showers Lea Park, IL Weather - Saturday Night Chance Of Showers Lea Park, IL Weather - Sunday Partly Cloudy
Clear Sunny Partly Cloudy Partly Sunny Mostly Cloudy Showers Likely Chance of T-Storm Showers Chance of Showers Chance of Showers Chance of Showers Partly Cloudy
Lo: 50°FLo: 10°C Hi: 81°FHi: 27°C
 Lo: 60°FLo: 16°C Hi: 85°FHi: 29°C
 Lo: 69°FLo: 21°C Hi: 81°FHi: 27°C
 Lo: 60°FLo: 16°C Hi: 69°FHi: 21°C
 Lo: 51°FLo: 11°C Hi: 69°FHi: 21°C
Lo: 55°FLo: 13°C		 Hi: 69°FHi: 21°C
Lo: 55°FLo: 13°C		 Hi: 69°FHi: 21°C
Lo: 50°FLo: 10°C
POP: 60% POP: 70% POP: 70% POP: 50% POP: 40% POP: 40%
POP = Probability of Precipitation.
Weather Outlook Updated: 822 PM CDT Mon Sep 28 2026 Lea Park, IL Weather - WeatherWorld.com

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Issued: 620 PM CDT Mon Sep 28 2026

Key Messages

  • Quiet and nice early fall weather is expected to continue across central and southeast IL through Tuesday night as temperatures continue to modify.
  • A chance of showers and isolated thunderstorms will occur over the IL river valley Wednesday and Wednesday night, with more widespread rain over the area on Thursday into Friday:
  • NBM has 50-70% chance of rainfall totals over 1.5 inches over central and southeast IL from Wednesday night through Friday night, with southeast IL seeing their ...