Hazardous Weather Conditions
Current conditions at
Janesville-Rock County (KJVL)
Lat: 42.62°NLon: 89.04°WElev: 801ft.
Mostly Cloudy
55°F
13°C
| Humidity | 88% |
| Wind Speed | Calm |
| Barometer | 29.98 in |
| Dewpoint | 52°F (11°C) |
| Visibility | 10.00 mi |
| Last update | 24 May 3:50 am CDT |
Extended Forecast for
South Beloit IL
Overnight

Low: 55 °F
Slight Chance
ShowersSunday
High: 80 °F
Slight Chance
Showers then
SunnySunday Night

Low: 56 °F
Mostly Clear
Memorial Day

High: 85 °F
Mostly Sunny
Monday Night

Low: 60 °F
Mostly Clear
Tuesday

High: 87 °F
Sunny
Tuesday Night

Low: 61 °F
Partly Cloudy
Wednesday

High: 84 °F
Mostly Sunny
Wednesday Night

Low: 58 °F
Partly Cloudy
Detailed Forecast
Overnight
A 20 percent chance of showers. Cloudy, with a low around 55. Calm wind.
Sunday
A 20 percent chance of showers before 8am. Cloudy through mid morning, then gradual clearing, with a high near 80. Northwest wind around 5 mph, with gusts as high as 15 mph.
Sunday Night
Mostly clear, with a low around 56. West wind around 5 mph becoming calm.
Memorial Day
Mostly sunny, with a high near 85. South southwest wind 5 to 10 mph, with gusts as high as 15 mph.
Monday Night
Mostly clear, with a low around 60. South wind around 5 mph, with gusts as high as 10 mph.
Tuesday
Sunny, with a high near 87.
Tuesday Night
Partly cloudy, with a low around 61.
Wednesday
Mostly sunny, with a high near 84.
Wednesday Night
Partly cloudy, with a low around 58.
Thursday
Mostly sunny, with a high near 82.
Thursday Night
Partly cloudy, with a low around 54.
Friday
Mostly sunny, with a high near 78.
Friday Night
Partly cloudy, with a low around 53.
Saturday
Mostly sunny, with a high near 77.
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
2:46 am CDT May 24, 2026
4am CDT May 24, 2026-6pm CDT May 30, 2026



