Arrowhead, Illinois Weather
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Weather Forecast for Arrowhead, Illinois : Cook County
Issued: 11:56 am CDT Jun 20, 2025 Latitude: 42.1213889 Longitude: -87.8608333 View on Google Maps

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This Afternoon Tonight Saturday Sunday Monday Tuesday Wednesday Thursday
30% chance of rain on This Afternoon Cloudy on Tonight Sunny on Saturday Sunny on Sunday Sunny on Monday 20% chance of thunderstorms on Tuesday Thunderstorms on Wednesday 20% chance of thunderstorms on Thursday
High: 85°F Low: 74°F High: 94°F High: 96°F High: 96°F High: 87°F High: 82°F High: 87°F
Low: 78°F Low: 77°F Low: 75°F Low: 66°F Low: 67°F  
Rain Cloudy Sunny Sunny Sunny Thunderstorms Thunderstorms Thunderstorms
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30% chance of rain This Afternoon This Afternoon... A 30 percent chance of showers, mainly before 1pm. Cloudy, then gradually becoming mostly sunny, with a high near 85. South southwest wind around 15 mph, with gusts as high as 25 mph.
Cloudy on Tonight Tonight... Partly cloudy, with a low around 74. South southwest wind 10 to 15 mph, with gusts as high as 25 mph.
Sunny on Saturday Saturday... Sunny, with a high near 94. Heat index values as high as 103. Breezy, with a south southwest wind 15 to 25 mph, with gusts as high as 40 mph.
Mostly Clear on Saturday Night Saturday Night... Mostly clear, with a low around 78. Breezy, with a southwest wind 15 to 25 mph, with gusts as high as 40 mph.
Sunny on Sunday Sunday... Sunny and hot, with a high near 96. South southwest wind around 15 mph, with gusts as high as 25 mph.
Clear on Sunday Night Sunday Night... Clear, with a low around 77.
Sunny on Monday Monday... Sunny and hot, with a high near 96.
20% chance of thunderstorms Monday Night Monday Night... A chance of showers and thunderstorms before 1am. Partly cloudy, with a low around 75.
20% chance of thunderstorms Tuesday Tuesday... A chance of showers and thunderstorms. Mostly sunny, with a high near 87.
20% chance of thunderstorms Tuesday Night Tuesday Night... A chance of showers and thunderstorms. Mostly cloudy, with a low around 66.
Thunderstorms on Wednesday Wednesday... Showers and thunderstorms likely. Partly sunny, with a high near 82.
20% chance of thunderstorms Wednesday Night Wednesday Night... A chance of showers and thunderstorms. Mostly cloudy, with a low around 67.
20% chance of thunderstorms Thursday Thursday... A chance of showers and thunderstorms. Mostly sunny, with a high near 87.
Sun Almanac for Arrowhead, Illinois
Sunrise: 05:16 AM
Sunset: 8:31 PM
Civil Sunrise:04:41 AM
Civil Sunset: 9:05 PM
Nautical Sunrise: 03:56 AM
Nautical Sunset: 9:50 PM
Astro Sunrise: 03:02 AM
Astro Sunset: 10:44 PM
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.