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Karl Lake, IL Weather Forecast

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Karl Lake, IL Weather Forecast

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Karl Lake IL weather - Clear - 74°F
Clear
74°F
Updated 8:13 pm
Feels Like 70°F
Humidity 66%
Wind WNW 5 mph
Barometer  30.02 in
Dew Point 62°F
Karl Lake IL weather - Clear - 23°C
Clear
23°C
Updated 8:13 pm
Feels Like 21°C
Humidity 66%
Wind WNW 8 km/h
Barometer  101.6 kPa
Dew Point 17°C
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Karl Lake Weather Forecast

TONIGHT FRIDAY FRIDAY NIGHT SATURDAY SATURDAY NIGHT SUNDAY SUNDAY NIGHT MONDAY MONDAY NIGHT TUESDAY TUESDAY NIGHT WEDNESDAY
Karl Lake, IL Weather - Tonight Patchy Fog Karl Lake, IL Weather - Friday Patchy Fog Karl Lake, IL Weather - Friday Night Clearing Karl Lake, IL Weather - Saturday Partly Sunny Karl Lake, IL Weather - Saturday Night Partly Cloudy Karl Lake, IL Weather - Sunday Partly Cloudy Karl Lake, IL Weather - Sunday Night Partly Cloudy Karl Lake, IL Weather - Monday Partly Sunny Karl Lake, IL Weather - Monday Night Partly Cloudy Karl Lake, IL Weather - Tuesday Partly Cloudy Karl Lake, IL Weather - Tuesday Night Chance Of Showers Karl Lake, IL Weather - Wednesday Mostly Sunny
Patchy Fog Patchy Fog Clearing Partly Sunny Partly Cloudy Partly Cloudy Partly Cloudy Partly Sunny Partly Cloudy Partly Cloudy Chance of Showers Mostly Sunny
Lo: 59°FLo: 15°C Hi: 85°FHi: 29°C
 Lo: 61°FLo: 16°C Hi: 81°FHi: 27°C
 Lo: 71°FLo: 22°C Hi: 91°FHi: 33°C
Lo: 75°FLo: 24°C		 Hi: 91°FHi: 33°C
Lo: 75°FLo: 24°C		 Hi: 90°FHi: 32°C
 Hi: 89°FHi: 32°C
Lo: 75°FLo: 24°C		 Hi: 89°FHi: 32°C
Lo: 75°FLo: 24°C		 Lo: 71°FLo: 22°C Hi: 90°FHi: 32°C
POP: 30%
POP = Probability of Precipitation.
Weather Outlook Updated: 726 PM CDT Thu Aug 27 2026 Karl Lake, IL Weather - WeatherWorld.com

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Issued: 551 PM CDT Thu Aug 27 2026

Key Messages

  • Beautiful summer weather through Friday.
  • Patchy fog overnight, especially in low lying areas and river valleys.
  • Warmer this weekend, with a return to an active weather pattern next week and increasing humidity.

Aviation

/00Z TAFS THROUGH 00Z SATURDAY/... Issued at 545 PM CDT Thu Aug 27 2026

Upper level smoke will be present at times, but not expecting any impacts to the terminals. Otherwise, high pressure looks to dominate through the period providing light winds and predominantly VFR c...