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Clear Lake, IL Weather Forecast

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Clear Lake, IL Weather Forecast

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Clear Lake IL weather - Clear - 68°F
Clear
68°F
Updated 5:35 pm
Feels Like 65°F
Humidity 43%
Wind SSW 6 mph
Barometer  30.27 in
Dew Point 45°F
Clear Lake IL weather - Clear - 20°C
Clear
20°C
Updated 5:35 pm
Feels Like 18°C
Humidity 43%
Wind SSW 10 km/h
Barometer  102.5 kPa
Dew Point 7°C
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Clear Lake Weather Forecast

THIS AFTERNOON TONIGHT WEDNESDAY WEDNESDAY NIGHT THURSDAY THURSDAY NIGHT FRIDAY FRIDAY NIGHT SATURDAY SATURDAY NIGHT SUNDAY MONDAY
Clear Lake, IL Weather - This Afternoon Sunny Clear Lake, IL Weather - Tonight Clear Clear Lake, IL Weather - Wednesday Sunny Clear Lake, IL Weather - Wednesday Night Mostly Clear Clear Lake, IL Weather - Thursday Sunny Clear Lake, IL Weather - Thursday Night Clear Clear Lake, IL Weather - Friday Sunny Clear Lake, IL Weather - Friday Night Partly Cloudy Clear Lake, IL Weather - Saturday Partly Cloudy Clear Lake, IL Weather - Saturday Night Mostly Cloudy Clear Lake, IL Weather - Sunday Mostly Cloudy Clear Lake, IL Weather - Monday Partly Sunny
Sunny Clear Sunny Mostly Clear Sunny Clear Sunny Partly Cloudy Partly Cloudy Mostly Cloudy Mostly Cloudy Partly Sunny
Hi: 71°FHi: 22°C
 Lo: 45°FLo: 7°C Hi: 71°FHi: 22°C
 Lo: 49°FLo: 9°C Hi: 75°FHi: 24°C
 Lo: 50°FLo: 10°C Hi: 71°FHi: 22°C
 Hi: 75°FHi: 24°C
Lo: 51°FLo: 11°C		 Hi: 75°FHi: 24°C
Lo: 51°FLo: 11°C		 Hi: 75°FHi: 24°C
Lo: 51°FLo: 11°C		 Hi: 75°FHi: 24°C
Lo: 51°FLo: 11°C		 Hi: 69°FHi: 21°C
POP = Probability of Precipitation.
Weather Outlook Updated: 236 PM CDT Tue Oct 20 2026 Clear Lake, IL Weather - WeatherWorld.com

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Issued: 222 PM CDT Tue Oct 20 2026

Key Messages

  • Above normal temperatures are forecast to continue this week and there is a 55% chance they they will continue through the end of October.

Aviation

/18Z TAFS THROUGH 18Z WEDNESDAY/... Issued at 1225 PM CDT Tue Oct 20 2026

VFR conditions are expected through the period. High pressure sits across the area through the TAF period with winds switching from southeasterly to southerly by 12 UTC Wednesday. Few to scattered mid level clouds around 15 kft are possible after 06 UTC as a shortwave ...