| NWS Forecast for: Westchester IL Issued by: National Weather Service Chicago, IL Last Update: 12:57 am CDT Jul 15, 2025 | |
Overnight: Mostly clear, with a low around 70. Southeast wind around 5 mph becoming calm. Tuesday: Mostly sunny, with a high near 91. Light south wind increasing to 5 to 10 mph in the morning. Tuesday Night: Partly cloudy, with a low around 74. South wind around 5 mph, with gusts as high as 10 mph. Wednesday: A 40 percent chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 91. Heat index values as high as 99. Southwest wind 5 to 10 mph. Wednesday Night: A 50 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 72. Southwest wind around 5 mph, with gusts as high as 10 mph. Thursday: A 50 percent chance of showers and thunderstorms, mainly after 1pm. Mostly cloudy, with a high near 81. Thursday Night: A 30 percent chance of showers and thunderstorms before 1am. Mostly cloudy, with a low around 64. Friday: Partly sunny, with a high near 81. Friday Night: Partly cloudy, with a low around 66. Saturday: A chance of showers and thunderstorms. Partly sunny, with a high near 85. 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 86. Sunday Night: A chance of showers and thunderstorms. Mostly cloudy, with a low around 67. Monday: A chance of showers and thunderstorms. Partly sunny, with a high near 84. | |
| Westchester IL 41.84°N 87.88°W | |
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