| NWS Forecast for: Grayslake IL Issued by: National Weather Service Chicago, IL Last Update: 7:41 pm CDT Jul 12, 2025 | |
| Overnight: Mostly clear, with a low around 63. West northwest wind around 5 mph. Sunday: Mostly sunny, with a high near 82. West wind 5 to 10 mph. Sunday Night: Mostly clear, with a low around 64. Southwest wind around 5 mph. Monday: Sunny, with a high near 87. Southwest wind 5 to 10 mph, with gusts as high as 15 mph. Monday Night: Mostly clear, with a low around 69. Southwest wind around 5 mph becoming calm in the evening. Tuesday: A 20 percent chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 86. Tuesday Night: A slight chance of showers and thunderstorms, then a chance of showers after 1am. Partly cloudy, with a low around 70. Chance of precipitation is 30%. Wednesday: A chance of showers, then showers likely and possibly a thunderstorm after 1pm. Partly sunny, with a high near 84. Wednesday Night: A chance of showers and thunderstorms. Mostly cloudy, with a low around 67. Thursday: A chance of showers and thunderstorms after 1pm. Mostly cloudy, with a high near 80. Thursday Night: Mostly cloudy, with a low around 63. Friday: Partly sunny, with a high near 78. Friday Night: Mostly cloudy, with a low around 62. Saturday: Partly sunny, with a high near 80. | |
| Grayslake IL 42.35°N 88.02°W | |
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