| NWS Forecast for: Prospect Heights IL Issued by: National Weather Service Chicago, IL Last Update: 1:21 pm CST Feb 16, 2026 | |
| Washington's Birthday: Sunny, with a high near 64. Breezy, with a west southwest wind 10 to 20 mph, with gusts as high as 30 mph. Tonight: Patchy fog after midnight. Otherwise, mostly cloudy, with a low around 40. Southwest wind 5 to 10 mph becoming southeast after midnight. Winds could gust as high as 15 mph. Tuesday: A 20 percent chance of rain after 5pm. Patchy fog before 9am. Otherwise, mostly cloudy, with a high near 52. Southeast wind 5 to 15 mph, with gusts as high as 25 mph. Tuesday Night: A chance of rain, then rain and possibly a thunderstorm after 9pm. Low around 50. Southeast wind around 15 mph becoming south southwest after midnight. Winds could gust as high as 25 mph. Chance of precipitation is 80%. Wednesday: Sunny, with a high near 64. Breezy, with a west southwest wind 15 to 20 mph, with gusts as high as 30 mph. Wednesday Night: Mostly cloudy, with a low around 39. Thursday: A 40 percent chance of rain after noon. Partly sunny, with a high near 54. Thursday Night: Rain. Mostly cloudy, with a low around 36. Friday: A chance of rain before noon, then a chance of rain and snow. Mostly cloudy, with a high near 44. Friday Night: Mostly cloudy, with a low around 28. Saturday: Partly sunny, with a high near 39. Saturday Night: Mostly cloudy, with a low around 25. Sunday: Partly sunny, with a high near 35. | |
| Prospect Heights IL 42.11°N 87.92°W | |
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