| NWS Forecast for: Arlington Heights IL Issued by: National Weather Service Chicago, IL Last Update: 10:11 pm CDT Jul 14, 2025 |  |
Overnight: Mostly clear, with a low around 68. Calm wind becoming south around 5 mph. Tuesday: Sunny, with a high near 90. Calm wind becoming south southwest around 5 mph in the morning. Winds could gust as high as 10 mph. Tuesday Night: Partly cloudy, with a low around 72. South wind around 5 mph. Wednesday: A 40 percent chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 90. Heat index values as high as 98. Southwest wind 5 to 10 mph. Wednesday Night: Showers and thunderstorms likely, mainly before 1am. Mostly cloudy, with a low around 71. Southwest wind around 5 mph, with gusts as high as 10 mph. Chance of precipitation is 60%. Thursday: A 50 percent chance of showers and thunderstorms, mainly after 1pm. Mostly cloudy, with a high near 79. Thursday Night: A 30 percent chance of showers and thunderstorms before 1am. Mostly cloudy, with a low around 63. Friday: Partly sunny, with a high near 79. Friday Night: Partly cloudy, with a low around 65. Saturday: A chance of showers and thunderstorms. Mostly cloudy, with a high near 84. 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 85. Sunday Night: A chance of showers and thunderstorms. Mostly cloudy, with a low around 66. Monday: A chance of showers and thunderstorms. Partly sunny, with a high near 82. | |
| Arlington Heights IL 42.09°N 87.98°W | |
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