Hazardous Weather Conditions
Current conditions at
Janesville-Rock County (KJVL)
Lat: 42.62°NLon: 89.04°WElev: 801ft.
Partly Cloudy
61°F
16°C
| Humidity | 77% |
| Wind Speed | SE 10 mph |
| Barometer | 30.00 in |
| Dewpoint | 54°F (12°C) |
| Visibility | 10.00 mi |
| Last update | 23 May 10:15 pm CDT |
Extended Forecast for
South Beloit IL
Tonight

Low: 55 °F
Chance
ShowersSunday

High: 80 °F
Becoming
SunnySunday Night

Low: 55 °F
Clear
Memorial Day

High: 85 °F
Sunny
Monday Night

Low: 59 °F
Mostly Clear
Tuesday

High: 86 °F
Mostly Sunny
Tuesday Night
Low: 62 °F
Partly Cloudy
then Slight
Chance
ShowersWednesday

High: 83 °F
Chance
ShowersWednesday Night

Low: 59 °F
Mostly Cloudy
Detailed Forecast
Tonight
A chance of showers and thunderstorms before 4am, then a slight chance of showers. Cloudy, with a low around 55. East southeast wind around 5 mph becoming calm after midnight. Chance of precipitation is 30%.
Sunday
Mostly cloudy through mid morning, then gradual clearing, with a high near 80. Calm wind becoming west around 5 mph in the morning. Winds could gust as high as 10 mph.
Sunday Night
Clear, with a low around 55. West southwest wind around 5 mph becoming calm.
Memorial Day
Sunny, with a high near 85. Light south wind becoming south southwest 5 to 10 mph in the morning.
Monday Night
Mostly clear, with a low around 59. South wind around 5 mph becoming calm in the evening. Winds could gust as high as 10 mph.
Tuesday
Mostly sunny, with a high near 86.
Tuesday Night
A 20 percent chance of showers after 1am. Mostly cloudy, with a low around 62.
Wednesday
A chance of showers. Partly sunny, with a high near 83.
Wednesday Night
Mostly cloudy, with a low around 59.
Thursday
Partly sunny, with a high near 82.
Thursday Night
Mostly cloudy, with a low around 54.
Friday
Mostly sunny, with a high near 76.
Friday Night
Partly cloudy, with a low around 52.
Saturday
Mostly sunny, with a high near 77.
Additional Forecasts and Information
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ABOUT THIS FORECAST
Point Forecast:
South Beloit IL
42.5°N 89.05°W
42.5°N 89.05°W
9:06 pm CDT May 23, 2026
10pm CDT May 23, 2026-6pm CDT May 30, 2026



