


NWS Forecast for: Pontiac IL Issued by: National Weather Service Chicago, IL Last Update: 2:41 pm CDT Jun 23, 2025 | |
This Afternoon: Sunny, with a high near 94. Heat index values as high as 103. South southwest wind around 15 mph, with gusts as high as 25 mph. Tonight: Partly cloudy, with a low around 74. South southwest wind 5 to 15 mph, with gusts as high as 20 mph. Tuesday: A 40 percent chance of showers and thunderstorms, mainly after 1pm. Partly sunny, with a high near 92. Heat index values as high as 101. West southwest wind 5 to 10 mph, with gusts as high as 15 mph. Tuesday Night: A 40 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 72. West southwest wind around 5 mph becoming northeast after midnight. Wednesday: A 50 percent chance of showers and thunderstorms. Mostly sunny, with a high near 90. West southwest wind 5 to 10 mph. Wednesday Night: A 40 percent chance of showers and thunderstorms. Partly cloudy, with a low around 72. Thursday: A 40 percent chance of showers and thunderstorms. Sunny, with a high near 93. Thursday Night: A chance of showers and thunderstorms before 1am. Partly cloudy, with a low around 73. Friday: A chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 90. Friday Night: A chance of showers and thunderstorms. Mostly cloudy, with a low around 71. Saturday: A chance of showers and thunderstorms. Mostly sunny, with a high near 90. Saturday Night: A chance of showers and thunderstorms. Partly cloudy, with a low around 71. Sunday: A chance of showers and thunderstorms. Mostly sunny, with a high near 91. | |
Pontiac IL 40.89°N 88.62°W | |
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