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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 - 71°F
Clear
71°F
Updated 8:09 pm
Feels Like 72°F
Humidity 84%
Wind S 3 mph
Barometer  30.08 in
Dew Point 66°F
Karl Lake IL weather - Clear - 22°C
Clear
22°C
Updated 8:09 pm
Feels Like 22°C
Humidity 84%
Wind S 5 km/h
Barometer  101.8 kPa
Dew Point 19°C
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Karl Lake Weather Forecast

TONIGHT SATURDAY SATURDAY NIGHT SUNDAY SUNDAY NIGHT MONDAY TUESDAY WEDNESDAY WEDNESDAY NIGHT THURSDAY FRIDAY
Karl Lake, IL Weather - Tonight Partly Cloudy Karl Lake, IL Weather - Saturday Partly Sunny Karl Lake, IL Weather - Saturday Night Partly Cloudy Karl Lake, IL Weather - Sunday Mostly Sunny Karl Lake, IL Weather - Sunday Night Partly Cloudy Karl Lake, IL Weather - Monday Partly Cloudy Karl Lake, IL Weather - Tuesday Partly Cloudy Karl Lake, IL Weather - Wednesday Partly Cloudy Karl Lake, IL Weather - Wednesday Night Mostly Clear Karl Lake, IL Weather - Thursday Partly Cloudy Karl Lake, IL Weather - Friday Partly Cloudy
Partly Cloudy Partly Sunny Partly Cloudy Mostly Sunny Partly Cloudy Partly Cloudy Partly Cloudy Partly Cloudy Mostly Clear Partly Cloudy Partly Cloudy
Lo: 65°FLo: 18°C Hi: 81°FHi: 27°C
 Lo: 71°FLo: 22°C Hi: 90°FHi: 32°C
 Lo: 75°FLo: 24°C Hi: 91°FHi: 33°C
Lo: 75°FLo: 24°C		 Hi: 91°FHi: 33°C
Lo: 75°FLo: 24°C		 Hi: 91°FHi: 33°C
Lo: 75°FLo: 24°C		 Lo: 75°FLo: 24°C Hi: 91°FHi: 33°C
Lo: 75°FLo: 24°C		 Hi: 91°FHi: 33°C
Lo: 75°FLo: 24°C
POP = Probability of Precipitation.
Weather Outlook Updated: 546 PM CDT Fri Aug 28 2026 Karl Lake, IL Weather - WeatherWorld.com

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Issued: 650 PM CDT Fri Aug 28 2026

Key Messages

  • Gradual warming trend begins this weekend and continues next week along with increasing humidity. Heat indices in the mid to upper 90s are likely.
  • Active weather returns next week, with periodic chances for showers and storms.

Aviation

/00Z TAFS THROUGH 00Z SUNDAY/... Issued at 642 PM CDT Fri Aug 28 2026

Mainly high clouds and VFR conditions acrs the area tonight, with light south to southeasterly sfc winds. There will be a chance for some light high based showers and possibly a thunder...