7-Day Forecast 42.2°N 88.06°W (Text-Only)
NWS Forecast for: Forest Lake IL
Issued by: National Weather Service Chicago, IL
Last Update: 4:11 am CDT Jul 14, 2025




Today: Widespread haze before 7am. Sunny, with a high near 86. Calm wind becoming west southwest around 5 mph in the afternoon.

Tonight: Mostly clear, with a low around 67. West wind around 5 mph becoming calm.

Tuesday: Sunny, with a high near 90. Light south southwest wind becoming south 5 to 10 mph in the morning.

Tuesday Night: Partly cloudy, with a low around 71. Southeast wind around 5 mph.

Wednesday: A slight chance of showers, then a chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 88. South southwest wind 5 to 10 mph. Chance of precipitation is 40%.

Wednesday Night: Showers and thunderstorms likely, mainly before 1am. Mostly cloudy, with a low around 69. Chance of precipitation is 60%.

Thursday: Showers and thunderstorms likely, mainly after 1pm. Mostly cloudy, with a high near 80. Chance of precipitation is 60%.

Thursday Night: A chance of showers and thunderstorms before 1am. Mostly cloudy, with a low around 63.

Friday: Partly sunny, with a high near 78.

Friday Night: Partly cloudy, with a low around 62.

Saturday: A chance of showers and thunderstorms. Partly sunny, with a high near 82.

Saturday Night: A chance of showers and thunderstorms. Mostly cloudy, with a low around 67.

Sunday: A chance of showers and thunderstorms. Partly sunny, with a high near 84.



Forest Lake IL
 42.2°N 88.06°W

Visit your local NWS office at: https://www.weather.gov/lot