Pontoon Beach, IL Weather Forecast and Current Conditions
Feels Like 89°F
Current Weather
Feels Like 89°F
Forecast at a Glance
This Date in Weather History
1941 - One of the greatest aurora borealis or northern lights ever observed in the central Atlantic and mid-central portions of the U.S. occurred on the night of September 18-19th. The displays continued from twilight until just before dawn and were observed as far south as Florida and southern California.
More on this and other weather history
Pontoon Beach 7 Day Weather Forecast Details
Thursday Sep 18
Day: Sunny, with a high near 94. Southeast wind around 5 mph.
Night: Isolated showers and thunderstorms after 1am. Mostly cloudy, with a low around 66. North wind around 6 mph. Chance of precipitation is 20%.
Friday Sep 19
Day: Isolated rain showers before 1pm, then scattered showers and thunderstorms. Mostly cloudy, with a high near 86. Northwest wind around 6 mph. Chance of precipitation is 30%.
Night: A chance of showers and thunderstorms before 10pm, then a chance of showers and thunderstorms. Partly cloudy, with a low around 64. South wind around 3 mph. Chance of precipitation is 30%.
Saturday Sep 20
Day: A chance of rain showers before 4pm, then a slight chance of showers and thunderstorms. Mostly sunny, with a high near 88. South wind 2 to 6 mph. Chance of precipitation is 30%.
Night: A slight chance of showers and thunderstorms before 1am, then a chance of showers and thunderstorms. Mostly cloudy, with a low around 66. Chance of precipitation is 30%.
Sunday Sep 21
Day: A chance of showers and thunderstorms before 1pm, then a chance of showers and thunderstorms. Mostly cloudy, with a high near 84. Chance of precipitation is 50%.
Night: A chance of showers and thunderstorms before 7pm, then showers and thunderstorms likely. Mostly cloudy, with a low around 66. Chance of precipitation is 60%.
Monday Sep 22
Day: Showers and thunderstorms likely before 1pm, then a chance of showers and thunderstorms. Mostly cloudy, with a high near 83. Chance of precipitation is 60%.
Night: A chance of showers and thunderstorms before 7pm, then a chance of showers and thunderstorms. Mostly cloudy, with a low around 66. Chance of precipitation is 50%.
Tuesday Sep 23
Day: A chance of showers and thunderstorms. Partly sunny, with a high near 83. Chance of precipitation is 50%.
Night: A chance of showers and thunderstorms. Partly cloudy, with a low around 61. Chance of precipitation is 40%.
Wednesday Sep 24
Day: A slight chance of rain showers before 1pm, then a chance of showers and thunderstorms. Mostly sunny, with a high near 82. Chance of precipitation is 30%.
Night: A chance of showers and thunderstorms before 7pm, then a slight chance of showers and thunderstorms. Partly cloudy, with a low around 60. Chance of precipitation is 30%.
Sun & Moon Monthly
Sunrise 6:45 AM
Sunset 7:05 PM
Last Light 7:32 PM
Moonset 5:48 PM
Contiguous United States Extremes
Wed's High Temperature
114 at Death Valley, CA
Thu's Low Temperature
19 at Peter Sinks, UT
Weather Folklore
When mountains and cliffs in the clouds appear, some sudden and violent showers appear.
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About Pontoon Beach, Illinois
Pontoon Beach is a village in Madison County, Illinois, United States. The population was 5,876 at the 2020 census. It is part of the St. Louis metropolitan area.
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