Hazardous Weather Conditions
Current conditions at
Janesville-Rock County (KJVL)
Lat: 42.62°NLon: 89.04°WElev: 801ft.
Mostly Cloudy
72°F
22°C
| Humidity | 78% |
| Wind Speed | S 8 mph |
| Barometer | 29.97 in |
| Dewpoint | 64°F (18°C) |
| Visibility | 10.00 mi |
| Last update | 13 Aug 6:45 pm CDT |
Extended Forecast for
South Beloit IL
Tonight
Low: 64 °F
Showers
Likely then
Chance
T-stormsFriday
High: 79 °F
Chance
ShowersFriday Night
Low: 66 °F
Chance
T-storms then
ShowersSaturday
High: 82 °F
Showers
Saturday Night
Low: 68 °F
Chance
ShowersSunday
High: 82 °F
Chance
T-stormsSunday Night
Low: 62 °F
Partly Cloudy
Monday
High: 78 °F
Mostly Sunny
Monday Night
Low: 58 °F
Partly Cloudy
Detailed Forecast
Tonight
Showers likely and possibly a thunderstorm before 9pm, then a chance of showers and thunderstorms between 9pm and 4am, then a chance of showers after 4am. Mostly cloudy, with a low around 64. East northeast wind around 5 mph, with gusts as high as 15 mph. Chance of precipitation is 60%. New rainfall amounts between a quarter and half of an inch possible.
Friday
A 40 percent chance of showers between 10am and 1pm. Mostly cloudy, with a high near 79. East wind 5 to 10 mph, with gusts as high as 20 mph.
Friday Night
A chance of showers and thunderstorms, then showers and possibly a thunderstorm after 3am. Low around 66. East wind 5 to 10 mph, with gusts as high as 15 mph. Chance of precipitation is 80%. New rainfall amounts between a half and three quarters of an inch possible.
Saturday
Showers and possibly a thunderstorm. High near 82. Southeast wind around 10 mph becoming southwest in the afternoon. Winds could gust as high as 15 mph. Chance of precipitation is 80%.
Saturday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 68. West southwest wind 5 to 10 mph becoming light west in the evening. Chance of precipitation is 40%.
Sunday
A 40 percent chance of showers and thunderstorms, mainly after 1pm. Mostly cloudy, with a high near 82.
Sunday Night
Partly cloudy, with a low around 62.
Monday
Mostly sunny, with a high near 78.
Monday Night
Partly cloudy, with a low around 58.
Tuesday
Mostly sunny, with a high near 79.
Tuesday Night
A chance of showers. Mostly cloudy, with a low around 64.
Wednesday
A chance of showers. Mostly cloudy, with a high near 79.
Wednesday Night
Mostly cloudy, with a low around 60.
Thursday
Partly sunny, with a high near 76.
Additional Forecasts and Information
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Forecast AreaABOUT THIS FORECAST
Point Forecast:
South Beloit IL
42.5°N 89.05°W
42.5°N 89.05°W
2:31 pm CDT Aug 13, 2026
7pm CDT Aug 13, 2026-6pm CDT Aug 20, 2026
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