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Pontoon Beach, IL Weather Forecast

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Pontoon Beach, IL Weather Forecast

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Pontoon Beach IL weather - Clear - 41°F
Clear
41°F
Updated 4:00 am
Feels Like 49°F
Humidity 95%
Wind N 0 mph
Barometer  29.95 in
Dew Point 40°F
Pontoon Beach IL weather - Clear - 5°C
Clear
5°C
Updated 4:00 am
Feels Like 10°C
Humidity 95%
Wind N 0 km/h
Barometer  101.4 kPa
Dew Point 4°C
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Pontoon Beach Weather Forecast

TODAY TONIGHT THURSDAY THURSDAY NIGHT FRIDAY FRIDAY NIGHT SATURDAY SUNDAY MONDAY MONDAY NIGHT TUESDAY
Pontoon Beach, IL Weather - Today Mostly Sunny Pontoon Beach, IL Weather - Tonight Partly Cloudy Pontoon Beach, IL Weather - Thursday Chance Of Showers Pontoon Beach, IL Weather - Thursday Night Clearing Pontoon Beach, IL Weather - Friday Mostly Sunny Pontoon Beach, IL Weather - Friday Night Mostly Clear Pontoon Beach, IL Weather - Saturday Mostly Clear Pontoon Beach, IL Weather - Sunday Partly Cloudy Pontoon Beach, IL Weather - Monday Partly Cloudy Pontoon Beach, IL Weather - Monday Night Mostly Clear Pontoon Beach, IL Weather - Tuesday Mostly Clear
Mostly Sunny Partly Cloudy Chance of Showers Clearing Mostly Sunny Mostly Clear Mostly Clear Partly Cloudy Partly Cloudy Mostly Clear Mostly Clear
Hi: 69°FHi: 21°C
 Lo: 41°FLo: 5°C Hi: 49°FHi: 9°C
 Lo: 31°FLo: -1°C Hi: 45°FHi: 7°C
 Hi: 49°FHi: 9°C
Lo: 25°FLo: -4°C		 Hi: 49°FHi: 9°C
Lo: 25°FLo: -4°C		 Hi: 51°FHi: 11°C
Lo: 29°FLo: -2°C		 Hi: 51°FHi: 11°C
Lo: 29°FLo: -2°C		 Hi: 55°FHi: 13°C
Lo: 29°FLo: -2°C		 Hi: 55°FHi: 13°C
Lo: 29°FLo: -2°C
POP: 20%
POP = Probability of Precipitation.
Weather Outlook Updated: 248 AM CST Wed Nov 11 2026 Pontoon Beach, IL Weather - WeatherWorld.com

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Issued: 200 AM CST Wed Nov 11 2026

Key Messages

  • Occasional wind gusts of 25 to 35 mph will follow the passage of a cold front today with the coldest temperatures so far this season arriving by Friday.
  • Aside from isolated to scattered light showers on Thursday, largely dry conditions will persist.

Aviation

/00Z TAFS THROUGH 06Z THURSDAY/... Issued at 1052 PM CST Tue Nov 10 2026

VFR flight conditions are expected to prevail through Veteran`s Day. Light south-southwest flow will increase and become more west-southwesterly and gusty by 1...