Current conditions at
Janesville-Rock County (KJVL)
Lat: 42.62°NLon: 89.04°WElev: 801ft.
Mostly Cloudy
37°F
3°C
| Humidity | 65% |
| Wind Speed | N 15 G 26 mph |
| Barometer | 30.00 in |
| Dewpoint | 27°F (-3°C) |
| Visibility | 10.00 mi |
| Wind Chill | 28°F (-2°C) |
| Last update | 22 Mar 5:45 pm CDT |
Extended Forecast for
South Beloit IL
Tonight
Low: 26 °F
Partly Cloudy
Monday
High: 46 °F
Sunny
Monday Night
Low: 30 °F
Mostly Cloudy
Tuesday
High: 53 °F
Mostly Cloudy
Tuesday Night
Low: 37 °F
Mostly Cloudy
Wednesday
High: 58 °F
Mostly Cloudy
Wednesday Night
Low: 45 °F
Mostly Cloudy
Thursday
High: 68 °F
Mostly Cloudy
Thursday Night
Low: 28 °F
Mostly Cloudy
Detailed Forecast
Tonight
Partly cloudy, with a low around 26. North wind 5 to 15 mph, with gusts as high as 25 mph.
Monday
Sunny, with a high near 46. North wind around 5 mph, with gusts as high as 10 mph.
Monday Night
Mostly cloudy, with a low around 30. Calm wind becoming south southeast around 5 mph in the evening. Winds could gust as high as 15 mph.
Tuesday
Mostly cloudy, with a high near 53. South southwest wind 5 to 10 mph, with gusts as high as 15 mph.
Tuesday Night
Mostly cloudy, with a low around 37. South wind around 5 mph, with gusts as high as 10 mph.
Wednesday
Mostly cloudy, with a high near 58.
Wednesday Night
Mostly cloudy, with a low around 45.
Thursday
Mostly cloudy, with a high near 68.
Thursday Night
Mostly cloudy, with a low around 28.
Friday
Partly sunny, with a high near 42.
Friday Night
Mostly clear, with a low around 25.
Saturday
Sunny, with a high near 50.
Saturday Night
Partly cloudy, with a low around 33.
Sunday
Mostly sunny, with a high near 57.
Additional Forecasts and Information
Basemap Options
Click map to change the forecast location
Loading map...
Forecast AreaABOUT THIS FORECAST
Point Forecast:
South Beloit IL
42.5°N 89.05°W
42.5°N 89.05°W
3:56 pm CDT Mar 22, 2026
6pm CDT Mar 22, 2026-6pm CDT Mar 29, 2026
Additional Resources
Radar & Satellite Image
Hourly Weather Forecast
