Lake Forest, Illinois Weather
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Weather Forecast for Lake Forest, Illinois : Lake County
Issued: 10:16 am CDT Jul 20, 2019 Latitude: 42.2586342 Longitude: -87.840625 View on Google Maps

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Today Tonight Sunday Monday Tuesday Wednesday Thursday Friday
30% chance of thunderstorms on Today 60% chance of thunderstorms on Tonight 70% chance of thunderstorms on Sunday 20% chance of rain on Monday Sunny on Tuesday Sunny on Wednesday Sunny on Thursday Sunny on Friday
High: 93°F Low: 69°F High: 76°F High: 74°F High: 78°F High: 82°F High: 81°F High: 83°F
Low: 64°F Low: 59°F Low: 61°F Low: 63°F Low: 65°F  
Thunderstorms Thunderstorms Thunderstorms Rain Sunny Sunny Sunny Sunny
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30% chance of thunderstorms Today Today... A 30 percent chance of showers and thunderstorms, mainly after 4pm. Partly sunny, with a high near 93. Heat index values as high as 106. Southwest wind 10 to 15 mph, with gusts as high as 25 mph.

60% chance of thunderstorms Tonight Tonight... Showers and thunderstorms likely, mainly after 3am. Mostly cloudy, with a low around 69. East southeast wind 5 to 10 mph becoming northeast 10 to 15 mph after midnight. Winds could gust as high as 20 mph. Chance of precipitation is 60%. New rainfall amounts between a quarter and half of an inch possible.

70% chance of thunderstorms Sunday Sunday... Showers and thunderstorms likely, mainly before 2pm. Mostly cloudy, with a high near 76. Northeast wind around 15 mph, with gusts as high as 20 mph. Chance of precipitation is 70%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

30% chance of thunderstorms Sunday Night Sunday Night... A chance of showers and thunderstorms. Mostly cloudy, with a low around 64. North northeast wind around 15 mph. Chance of precipitation is 30%.

20% chance of rain Monday Monday... A 20 percent chance of showers before 8am. Mostly sunny, with a high near 74. North northeast wind around 15 mph, with gusts as high as 20 mph.

Mostly Clear on Monday Night Monday Night... Mostly clear, with a low around 59.

Sunny on Tuesday Tuesday... Sunny, with a high near 78.

Mostly Clear on Tuesday Night Tuesday Night... Mostly clear, with a low around 61.

Sunny on Wednesday Wednesday... Sunny, with a high near 82.

Mostly Clear on Wednesday Night Wednesday Night... Mostly clear, with a low around 63.

Sunny on Thursday Thursday... Sunny, with a high near 81.

Mostly Clear on Thursday Night Thursday Night... Mostly clear, with a low around 65.

Sunny on Friday Friday... Sunny, with a high near 83.

Current Radar Image


Sun Almanac for Lake Forest, Illinois
Sunrise: 05:33 AM
Sunset: 8:23 PM
Civil Sunrise:05:00 AM
Civil Sunset: 8:56 PM
Nautical Sunrise: 04:18 AM
Nautical Sunset: 9:37 PM
Astro Sunrise: 03:30 AM
Astro Sunset: 10:26 PM
Moon Almanac for Lake Forest, Illinois
Moon Phase: Waning Gibbous
Moon Illumination: 87%
Moon Age: 18.2 Days
Moon is currently below the horizon
Distance from Moon to Earth: 251,980 miles
Upcoming Lunar Events for
Lake Forest:
Next EventEvent TimeIllum

Moonrise:10:46 pm Sat84.4%
High Moon:04:18 am Sun82.8%
Moonset:09:58 am Sun81.1%
New Moon: Tue Jul 2
First Quarter: Tue Jul 9
Full Moon: Tue Jul 16
Last Quarter: Wed Jul 24
New Moon: Wed Jul 31
Any use of the information on this page is at your own risk. This information should not be relied upon in life-threatening situations, potential financial loss situations or in lieu of any officially disseminated information. Visit the National Weather Service for official information.