McHenry, IL Weather Forecast
McHenry County, Illinois
Live radar, warnings and storm tracking for McHenry, 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 McHenry
Every NWS warning, pushed to your phone, inbox or webhook the moment it is issued.
McHenry, IL at a glance
McHenry is home to about 28,251 people in McHenry County, across 15 square miles. It ranks 71st by population of 441 places in Illinois with a forecast here. The nearest neighbour with its own forecast is Johnsburg, 4 miles away.
- County
- McHenry County
- Population
- 28,251 2023 est.
- Land area
- 15 sq mi
- People per sq mi
- 1,905
- Forecast point
- 42.3362°N, 88.2917°W
How well can the network see McHenry?
The nearest Doppler radar is KMKX (Milwaukee, WI), to the NNW. Its lowest scan passes about 3,100 ft above McHenry. Close enough to see rotation in the low part of a storm, where tornadoes form.
The closest weather station is KUGN (Waukegan Rgnl). Far enough that current conditions for McHenry are a reading from somewhere else.
Forecasts near McHenry
- Johnsburg, IL4 mi
- Wonder Lake, IL4 mi
- Lakemoor, IL5 mi
- Island Lake, IL6 mi
- Volo, IL7 mi
- Crystal Lake, IL7 mi
- Woodstock, IL8 mi
- Spring Grove, IL8 mi
Elsewhere in Illinois
ChicagoAuroraJolietNapervilleRockfordElginAll Illinois forecasts →