Waukegan, IL Weather Forecast
Lake County, Illinois
Live radar, warnings and storm tracking for Waukegan, with free alerts the moment it counts.
The next few hours
Dry for the moment, with rain moving in this afternoon
It is 63° with a dew point of 40°, which is dry for this time of year. The sky is clear. The air is close to calm.
The first rain arrives between 2 PM and 3 PM. That leaves a usable window outdoors until about 2 PM, and it closes quickly after that.
Taller, warmer bars mean heavier rain. Dotted means no reading for that hour.
Hour by hour
One wet spell, dry either side of it
The wet part of the window runs from about 2 PM to 4 PM, 2 hours of it, with the highest chance near 3 PM. Total accumulation over the window comes to about 0.01 in.
It tapers off after 4 PM. The overnight low settles near 42°. Tomorrow reaches 54°, 8° cooler than today.
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
29–62°F across the weekThe week runs between 29° and 62°, with today the warmest day of it. The second half leans cooling, and Friday is the coolest day in it. Tomorrow is the wettest day, peaking near 32%. 5 of the 7 days stay dry.
Free alerts for Waukegan
Every NWS warning, pushed to your phone, inbox or webhook the moment it is issued.
Waukegan, IL at a glance
Waukegan is home to about 87,642 people in Lake County, across 24 square miles. It ranks 10th by population of 441 places in Illinois with a forecast here. The nearest neighbour with its own forecast is Park City, 2 miles away.
- County
- Lake County
- Population
- 87,642 2023 est.
- Land area
- 24 sq mi
- People per sq mi
- 3,619
- Forecast point
- 42.3694°N, 87.8709°W
How well can the network see Waukegan?
The nearest Doppler radar is KMKX (Milwaukee, WI), to the NW. Its lowest scan passes about 3,900 ft above Waukegan. Close enough to see rotation in the low part of a storm, where tornadoes form.
The closest weather station is KUGN (Waukegan Rgnl). Close enough that its readings are the conditions in town.
Forecasts near Waukegan
- Park City, IL2 mi
- Gurnee, IL3 mi
- North Chicago, IL4 mi
- Beach Park, IL5 mi
- Green Oaks, IL5 mi
- Lake Bluff, IL6 mi
- Wadsworth, IL6 mi
- Zion, IL6 mi
Elsewhere in Illinois
ChicagoAuroraJolietNapervilleRockfordElginAll Illinois forecasts →

