


NWS Forecast for: Markham IL Issued by: National Weather Service Chicago, IL Last Update: 11:26 am CDT Jul 3, 2025 | ![]() |
This Afternoon: A 20 percent chance of showers and thunderstorms after 4pm. Mostly sunny, with a high near 93. West wind 5 to 10 mph. Tonight: A 20 percent chance of showers and thunderstorms before 10pm. Mostly clear, with a low around 71. South wind around 5 mph. Independence Day: Mostly sunny, with a high near 94. Heat index values as high as 97. South southwest wind 5 to 10 mph. Friday Night: Partly cloudy, with a low around 74. South wind 5 to 10 mph. Saturday: Sunny and hot, with a high near 96. South southwest wind 5 to 15 mph, with gusts as high as 25 mph. Saturday Night: A 20 percent chance of showers and thunderstorms after 1am. Partly cloudy, with a low around 76. Sunday: A 50 percent chance of showers and thunderstorms, mainly after 10am. Partly sunny, with a high near 88. Sunday Night: A chance of showers and thunderstorms before 1am. Partly cloudy, with a low around 68. Monday: Mostly sunny, with a high near 84. Monday Night: Partly cloudy, with a low around 66. Tuesday: Mostly sunny, with a high near 88. Tuesday Night: A chance of showers. Partly cloudy, with a low around 68. Wednesday: A chance of showers and thunderstorms. Mostly sunny, with a high near 87. | |
Markham IL 41.6°N 87.7°W | |
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