Round Lake, IL Weather Forecast
Lake County, Illinois
Live radar, warnings and storm tracking for Round Lake, with free alerts the moment it counts.
The next few hours
A dry evening, mostly cloudy
It is 44°, but the wind is taking it down to 42° on exposed skin. The sky is mostly cloudy.
Pressure is easing down, 0.03 inHg over the last hour. The wind turns to the north around 2 PM. Nothing in the next day and a half is wet enough to move plans for.
Taller, warmer bars mean heavier rain. Dotted means no reading for that hour.
Hour by hour
Quiet through the next day and a half
Nothing wet is expected over the next day and a half.
The overnight low settles near 33°. Tomorrow tops out near 44°.
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
27–56°F across the weekThe week runs between 26° and 49°, with Tuesday the warmest day of it. There is no real trend across it: one day looks much like the next. Every day in the outlook stays dry.
Free alerts for Round Lake
Every NWS warning, pushed to your phone, inbox or webhook the moment it is issued.
Round Lake, IL at a glance
Round Lake is home to about 18,430 people in Lake County, across 5.6 square miles. It ranks 133rd by population of 441 places in Illinois with a forecast here. The nearest neighbour with its own forecast is Round Lake Park, 1 miles away.
- County
- Lake County
- Population
- 18,430 2023 est.
- Land area
- 5.6 sq mi
- People per sq mi
- 3,315
- Forecast point
- 42.3432°N, 88.1021°W
How well can the network see Round Lake?
The nearest Doppler radar is KMKX (Milwaukee, WI), to the NNW. Its lowest scan passes about 3,400 ft above Round Lake. Close enough to see rotation in the low part of a storm, where tornadoes form.
The closest weather station is KUGN (Waukegan Rgnl). Representative on most days, though a thunderstorm can hit one and miss the other.
Forecasts near Round Lake
- Round Lake Park, IL1 mi
- Hainesville, IL2 mi
- Round Lake Heights, IL3 mi
- Round Lake Beach, IL3 mi
- Volo, IL3 mi
- Grayslake, IL4 mi
- Wauconda, IL5 mi
- Lakemoor, IL5 mi
Elsewhere in Illinois
ChicagoAuroraJolietNapervilleRockfordElginAll Illinois forecasts →

