South Beloit, IL Weather Forecast
Winnebago County, Illinois
Live radar, warnings and storm tracking for South Beloit, 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 South Beloit
Every NWS warning, pushed to your phone, inbox or webhook the moment it is issued.
South Beloit, IL at a glance
South Beloit is home to about 7,893 people in Winnebago County, across 6.1 square miles. It ranks 264th by population of 441 places in Illinois with a forecast here. The nearest neighbour with its own forecast is Beloit, 3 miles away.
- County
- Winnebago County
- Population
- 7,893 2023 est.
- Land area
- 6.1 sq mi
- People per sq mi
- 1,285
- Forecast point
- 42.4848°N, 89.0274°W
How well can the network see South Beloit?
The nearest Doppler radar is KMKX (Milwaukee, WI), to the NE. Its lowest scan passes about 2,700 ft above South Beloit. Close enough to see rotation in the low part of a storm, where tornadoes form. South Beloit is closer to its radar than 54% of US cities.
The closest weather station is KJVL (Janesville/S Wisconsin Rgnl). Representative on most days, though a thunderstorm can hit one and miss the other.
Forecasts near South Beloit
- Beloit, WI3 mi
- Rockton, IL3 mi
- Roscoe, IL4 mi
- Machesney Park, IL8 mi
- Rock, WI10 mi
- Loves Park, IL10 mi
- Poplar Grove, IL13 mi
- Janesville, WI14 mi
Elsewhere in Illinois
ChicagoAuroraJolietNapervilleRockfordElginAll Illinois forecasts →

