Belvidere, IL Weather Forecast
Boone County, Illinois
Live radar, warnings and storm tracking for Belvidere, 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 Belvidere
Every NWS warning, pushed to your phone, inbox or webhook the moment it is issued.
Belvidere, IL at a glance
Belvidere is home to about 25,297 people in Boone County, across 13 square miles. It ranks 86th by population of 441 places in Illinois with a forecast here. The nearest neighbour with its own forecast is Cherry Valley, 5 miles away.
- County
- Boone County
- Population
- 25,297 2023 est.
- Land area
- 13 sq mi
- People per sq mi
- 2,021
- Forecast point
- 42.2654°N, 88.8878°W
How well can the network see Belvidere?
The nearest Doppler radar is KMKX (Milwaukee, WI), to the NNE. Its lowest scan passes about 3,700 ft above Belvidere. Close enough to see rotation in the low part of a storm, where tornadoes form.
The closest weather station is KRFD (Rockford Intl). Representative on most days, though a thunderstorm can hit one and miss the other.
Forecasts near Belvidere
- Cherry Valley, IL5 mi
- Poplar Grove, IL6 mi
- Loves Park, IL8 mi
- Rockford, IL9 mi
- Machesney Park, IL10 mi
- Roscoe, IL13 mi
- Davis Junction, IL15 mi
- Marengo, IL15 mi
Elsewhere in Illinois
ChicagoAuroraJolietNapervilleRockfordElginAll Illinois forecasts →

