Island Lake, IL Weather Forecast
McHenry County, Illinois
Live radar, warnings and storm tracking for Island Lake, with free alerts the moment it counts.
The next few hours
Taller, warmer bars mean heavier rain. Dotted means no reading for that hour.
Hour by hour
Sunrise and sunset
Next five days, scored 0 to 100The first day or two use the HRRR and NBM cloud layers. Later days only have total cloud, so treat them as a rough guide.
Know when sunset at this place will be worth a photo
We score every sunrise and sunset here from the cloud, haze and smoke forecast, and let you know when one is likely to light up. Sunrise the evening before, sunset a few hours ahead.
Seven-day outlook
Free alerts for Island Lake
Every NWS warning, pushed to your phone, inbox or webhook the moment it is issued.
Island Lake, IL at a glance
Island Lake is home to about 7,992 people in McHenry County, across 3.3 square miles. It ranks 259th by population of 441 places in Illinois with a forecast here. The nearest neighbour with its own forecast is Wauconda, 3 miles away.
- County
- McHenry County
- Population
- 7,992 2023 est.
- Land area
- 3.3 sq mi
- People per sq mi
- 2,386
- Forecast point
- 42.2788°N, 88.2005°W
How well can the network see Island Lake?
The nearest Doppler radar is KLOT (Chicago, IL), to the S. Its lowest scan passes about 3,300 ft above Island Lake. Close enough to see rotation in the low part of a storm, where tornadoes form.
The closest weather station is KPWK (Chicago Exec). Far enough that current conditions for Island Lake are a reading from somewhere else.
Forecasts near Island Lake
- Wauconda, IL3 mi
- Volo, IL4 mi
- Lakemoor, IL4 mi
- Lake Barrington, IL5 mi
- Cary, IL5 mi
- Fox River Grove, IL6 mi
- McHenry, IL6 mi
- North Barrington, IL6 mi
Elsewhere in Illinois
ChicagoAuroraJolietNapervilleRockfordElginAll Illinois forecasts →

