Conservation Lake, IL Weather Forecast

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Conservation Lake, IL Weather Forecast

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Conservation Lake IL weather  - Overcast - 70°F
Overcast
70°F
Updated 7:17 pm
Feels Like 68°F
Humidity 75%
Wind NNE 10 mph
Barometer  30.24 in
Dew Point 62°F
Conservation Lake IL weather  - Overcast - 21°C
Overcast
21°C
Updated 7:17 pm
Feels Like 20°C
Humidity 75%
Wind NNE 16 km/h
Barometer  102.4 kPa
Dew Point 17°C

Conservation Lake Weather Forecast

TONIGHT FRIDAY FRIDAY NIGHT SATURDAY SATURDAY NIGHT SUNDAY SUNDAY NIGHT MONDAY MONDAY NIGHT TUESDAY TUESDAY NIGHT WEDNESDAY
Conservation Lake, IL Weather - Tonight Mostly Cloudy Conservation Lake, IL Weather - Friday Mostly Sunny Conservation Lake, IL Weather - Friday Night Mostly Cloudy Conservation Lake, IL Weather - Saturday Partly Sunny Conservation Lake, IL Weather - Saturday Night Mostly Cloudy Conservation Lake, IL Weather - Sunday Partly Cloudy Conservation Lake, IL Weather - Sunday Night Partly Cloudy Conservation Lake, IL Weather - Monday Mostly Clear Conservation Lake, IL Weather - Monday Night Mostly Clear Conservation Lake, IL Weather - Tuesday Mostly Sunny Conservation Lake, IL Weather - Tuesday Night Chance Of Showers Conservation Lake, IL Weather - Wednesday Chance Of Showers
Mostly Cloudy Mostly Sunny Mostly Cloudy Partly Sunny Mostly Cloudy Partly Cloudy Partly Cloudy Mostly Clear Mostly Clear Mostly Sunny Chance of Showers Chance of Showers
Lo: 59°FLo: 15°C Hi: 75°FHi: 24°C
Lo: 55°FLo: 13°C Hi: 75°FHi: 24°C
Lo: 55°FLo: 13°C Hi: 75°FHi: 24°C
Lo: 51°FLo: 11°C
Hi: 75°FHi: 24°C
Lo: 51°FLo: 11°C
Hi: 79°FHi: 26°C
Lo: 55°FLo: 13°C
Hi: 79°FHi: 26°C
Lo: 55°FLo: 13°C
Hi: 81°FHi: 27°C
Lo: 65°FLo: 18°C Hi: 80°FHi: 27°C
Lo: 65°FLo: 18°C
POP: 30% POP: 50%
POP = Probability of Precipitation.
Weather Outlook Updated: 602 PM CDT Thu Sep 24 2026 Conservation Lake, IL Weather - WeatherWorld.com

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Conservation Lake Forecast Discussion

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Issued: 624 PM CDT Thu Sep 24 2026

Key Messages

  • A pleasantly cool/dry period will persist thru the weekend, with mostly 70s and 50s slated for highs and lows.
  • A warmup to more summer-like 80s and 60s can be expected by the middle of next week, which is when appreciable rain chances likewise return.

Discussion

... Issued at 1210 PM CDT Thu Sep 24 2026

An almost Rex-like blocking pattern holds thru the weekend, with the influx low level flow pattern maintaining north to northeasterlies for the bulk of that period. Satellite and soundin...