| NWS Forecast for: Westchester IL Issued by: National Weather Service Chicago, IL Last Update: 3:41 pm CDT Apr 11, 2026 |  |
Tonight: A chance of showers, with thunderstorms also possible after 1am. Mostly cloudy, with a low around 51. East wind 10 to 15 mph becoming south after midnight. Winds could gust as high as 25 mph. Chance of precipitation is 40%. Sunday: A slight chance of showers, then a chance of showers and thunderstorms after 3pm. Mostly cloudy, with a high near 78. Breezy, with a south southwest wind 15 to 25 mph, with gusts as high as 35 mph. Chance of precipitation is 30%. Sunday Night: Showers and thunderstorms likely before 10pm, then showers between 10pm and 1am, then showers and possibly a thunderstorm after 1am. Low around 62. Breezy, with a south southwest wind 15 to 20 mph, with gusts as high as 30 mph. Chance of precipitation is 90%. New rainfall amounts between a quarter and half of an inch possible. Monday: A chance of showers and thunderstorms before 10am, then a chance of showers between 10am and 1pm, then a chance of showers and thunderstorms after 1pm. Partly sunny, with a high near 76. Southwest wind around 15 mph, with gusts as high as 20 mph. Chance of precipitation is 40%. Monday Night: A 50 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 66. South southwest wind 10 to 15 mph, with gusts as high as 25 mph. Tuesday: A 50 percent chance of showers and thunderstorms, mainly after 1pm. Partly sunny, with a high near 80. Tuesday Night: Showers and possibly a thunderstorm. Low around 63. Chance of precipitation is 80%. Wednesday: A chance of showers, then showers likely and possibly a thunderstorm after 1pm. Mostly cloudy, with a high near 75. Wednesday Night: A chance of showers and thunderstorms. Mostly cloudy, with a low around 58. Thursday: A chance of showers. Mostly sunny, with a high near 76. Thursday Night: Mostly clear, with a low around 56. Friday: A chance of showers. Mostly sunny, with a high near 79. Friday Night: Showers likely. Mostly cloudy, with a low around 50. Saturday: A chance of showers. Mostly cloudy, with a high near 63. | |
| Westchester IL 41.84°N 87.88°W | |
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