| NWS Forecast for: Grayslake IL Issued by: National Weather Service Chicago, IL Last Update: 10:11 pm CDT Jul 14, 2025 |  |
Overnight: Mostly clear, with a low around 65. South wind around 5 mph becoming calm. Tuesday: Sunny, with a high near 88. Light south wind increasing to 5 to 10 mph in the morning. Tuesday Night: Partly cloudy, with a low around 71. South southeast wind around 5 mph. Wednesday: A 40 percent chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 88. Heat index values as high as 98. South southwest wind 5 to 10 mph. Wednesday Night: Showers and thunderstorms likely, mainly before 1am. Mostly cloudy, with a low around 69. West wind around 5 mph, with gusts as high as 10 mph. Chance of precipitation is 60%. Thursday: A 40 percent chance of showers and thunderstorms, mainly after 1pm. Mostly cloudy, with a high near 77. Thursday Night: A 20 percent chance of showers and thunderstorms before 1am. Mostly cloudy, with a low around 62. Friday: Partly sunny, with a high near 77. Friday Night: Partly cloudy, with a low around 64. Saturday: A chance of showers and thunderstorms. Mostly cloudy, with a high near 82. Saturday Night: A chance of showers and thunderstorms. Mostly cloudy, with a low around 71. Sunday: A chance of showers and thunderstorms. Mostly sunny, with a high near 83. Sunday Night: A chance of showers and thunderstorms. Mostly cloudy, with a low around 65. Monday: A chance of showers and thunderstorms. Partly sunny, with a high near 81. | |
| Grayslake IL 42.35°N 88.02°W | |
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