| NWS Forecast for: Chicago Heights IL Issued by: National Weather Service Chicago, IL Last Update: 12:01 am CST Feb 17, 2026 |  |
Overnight: Patchy fog. Otherwise, partly cloudy, with a low around 40. South wind around 5 mph. Tuesday: A 20 percent chance of rain after 5pm. Patchy fog before 9am. Otherwise, mostly cloudy, with a high near 55. South wind 5 to 15 mph, with gusts as high as 25 mph. Tuesday Night: A chance of rain, then rain likely and possibly a thunderstorm after midnight. Mostly cloudy, with a low around 51. South wind around 15 mph, with gusts as high as 30 mph. Chance of precipitation is 70%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms. Wednesday: Partly sunny, then gradually becoming sunny, with a high near 65. Breezy, with a west southwest wind 15 to 20 mph, with gusts as high as 35 mph. Wednesday Night: Mostly cloudy, with a low around 40. West southwest wind 5 to 10 mph becoming south southeast after midnight. Winds could gust as high as 15 mph. Thursday: A 50 percent chance of rain after noon. Partly sunny, with a high near 61. Thursday Night: Rain, mainly before midnight. Low around 38. Chance of precipitation is 80%. Friday: A chance of rain before noon. Partly sunny, with a high near 46. Breezy. Friday Night: Mostly cloudy, with a low around 29. Saturday: Partly sunny, with a high near 40. Saturday Night: Mostly cloudy, with a low around 26. Sunday: Partly sunny, with a high near 36. Sunday Night: Partly cloudy, with a low around 20. Monday: Partly sunny, with a high near 34. | |
| Chicago Heights IL 41.51°N 87.64°W | |
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