Current conditions at
Janesville-Rock County (KJVL)
Lat: 42.62°NLon: 89.04°WElev: 801ft.
Mostly Cloudy
55°F
13°C
| Humidity | 67% |
| Wind Speed | NW 9 mph |
| Barometer | 29.77 in |
| Dewpoint | 45°F (7°C) |
| Visibility | 10.00 mi |
| Wind Chill | 53°F (12°C) |
| Last update | 20 Mar 9:45 am CDT |
Extended Forecast for
South Beloit IL
Today

High: 63 °F
Partly Sunny
Tonight

Low: 38 °F
Mostly Cloudy
Saturday

High: 69 °F
Mostly Sunny
Saturday Night

Low: 48 °F
Partly Cloudy
Sunday

High: 50 °F
Slight Chance
ShowersSunday Night

Low: 29 °F
Mostly Cloudy
Monday

High: 47 °F
Sunny
Monday Night

Low: 32 °F
Mostly Cloudy
Tuesday

High: 54 °F
Mostly Cloudy
Detailed Forecast
Today
Partly sunny, with a high near 63. West wind around 10 mph becoming north in the afternoon. Winds could gust as high as 20 mph.
Tonight
Mostly cloudy, with a low around 38. North northeast wind around 5 mph becoming southeast after midnight.
Saturday
Mostly sunny, with a high near 69. Southeast wind 5 to 15 mph becoming south southwest in the afternoon. Winds could gust as high as 25 mph.
Saturday Night
Partly cloudy, with a low around 48. South southwest wind 5 to 10 mph, with gusts as high as 15 mph.
Sunday
A 20 percent chance of showers. Mostly cloudy, with a high near 50. North northeast wind 10 to 15 mph, with gusts as high as 25 mph.
Sunday Night
Mostly cloudy, with a low around 29.
Monday
Sunny, with a high near 47.
Monday Night
Mostly cloudy, with a low around 32.
Tuesday
Mostly cloudy, with a high near 54.
Tuesday Night
Mostly cloudy, with a low around 34.
Wednesday
Partly sunny, with a high near 52.
Wednesday Night
Mostly cloudy, with a low around 40.
Thursday
Mostly sunny, with a high near 59.
Additional Forecasts and Information
Basemap Options
Click map to change the forecast location
Loading map...
ABOUT THIS FORECAST
Point Forecast:
South Beloit IL
42.5°N 89.05°W
42.5°N 89.05°W
9:51 am CDT Mar 20, 2026
10am CDT Mar 20, 2026-6pm CDT Mar 26, 2026


