| NWS Forecast for: Prospect Heights IL Issued by: National Weather Service Chicago, IL Last Update: 9:21 am CDT Oct 5, 2026 | |
| Today: Sunny, with a high near 65. North wind around 5 mph becoming east northeast in the afternoon. Tonight: Mostly clear, with a low around 48. East wind around 5 mph becoming south after midnight. Winds could gust as high as 10 mph. Tuesday: Sunny, with a high near 71. South southwest wind 5 to 15 mph, with gusts as high as 25 mph. Tuesday Night: Mostly clear, with a low around 56. Southwest wind around 10 mph, with gusts as high as 20 mph. Wednesday: Sunny, with a high near 74. West wind 5 to 10 mph, with gusts as high as 15 mph. Wednesday Night: Partly cloudy, with a low around 50. Thursday: Mostly sunny, with a high near 68. Thursday Night: Partly cloudy, with a low around 50. Friday: Mostly sunny, with a high near 68. Friday Night: Partly cloudy, with a low around 52. Saturday: Sunny, with a high near 71. Saturday Night: Mostly clear, with a low around 57. Sunday: Mostly sunny, with a high near 76. | |
| Prospect Heights IL 42.09°N 87.92°W | |
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