| NWS Forecast for: Long Lake IL Issued by: National Weather Service Chicago, IL Last Update: 2:01 am CDT Apr 18, 2026 |  |
Overnight: Showers likely, mainly before 3am. Cloudy, with a low around 42. Breezy, with a west northwest wind 15 to 20 mph, with gusts as high as 30 mph. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible. Saturday: Cloudy, then gradually becoming mostly sunny, with a high near 50. Breezy, with a west wind around 20 mph, with gusts as high as 30 mph. Saturday Night: Widespread frost, mainly after 3am. Otherwise, mostly clear, with a low around 33. West southwest wind 5 to 15 mph, with gusts as high as 25 mph. Sunday: A 30 percent chance of showers after 1pm. Widespread frost before 7am. Otherwise, mostly sunny, with a high near 48. Southwest wind 5 to 15 mph becoming northwest in the afternoon. Winds could gust as high as 25 mph. Sunday Night: Widespread frost, mainly after 1am. Otherwise, mostly clear, with a low around 30. Northwest wind 5 to 10 mph becoming light and variable after midnight. Winds could gust as high as 15 mph. Monday: Widespread frost before 8am. Otherwise, sunny, with a high near 52. Monday Night: Mostly cloudy, with a low around 42. Tuesday: Mostly sunny, with a high near 71. Tuesday Night: Partly cloudy, with a low around 46. Wednesday: Sunny, with a high near 69. Wednesday Night: Mostly clear, with a low around 50. Thursday: Mostly sunny, with a high near 79. Thursday Night: Showers likely. Mostly cloudy, with a low around 59. Friday: A chance of showers. Mostly cloudy, with a high near 72. | |
| Long Lake IL 42.38°N 88.14°W | |
Visit your local NWS office at: https://www.weather.gov/lot |
