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: 9:26 am CST Feb 9, 2026


Today: Increasing clouds, with a high near 3. South southwest wind 10 to 15 km/h, with gusts as high as 25 km/h.

Tonight: Mostly cloudy, with a low around 2. South wind around 15 km/h becoming west after midnight. Winds could gust as high as 35 km/h.

Tuesday: Partly sunny, with a high near 6. West northwest wind 15 to 20 km/h increasing to 20 to 25 km/h in the afternoon. Winds could gust as high as 45 km/h.

Tuesday Night: Partly cloudy, with a low around -4. Northwest wind around 15 km/h, with gusts as high as 25 km/h.

Wednesday: Mostly sunny, with a high near 2. Northwest wind 10 to 15 km/h, with gusts as high as 25 km/h.

Wednesday Night: Partly cloudy, with a low around -5.

Thursday: Mostly cloudy, with a high near 2.

Thursday Night: Mostly cloudy, with a low around -4.

Friday: Partly sunny, with a high near 4.

Friday Night: Mostly cloudy, with a low around -4.

Saturday: Partly sunny, with a high near 4.

Saturday Night: A chance of rain and snow. Mostly cloudy, with a low around -2.

Sunday: A chance of snow. Mostly sunny, with a high near 4.



Forest Lake IL
 42.2°N 88.06°W

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