Current conditions at
Janesville-Rock County (KJVL)
Lat: 42.62°NLon: 89.04°WElev: 801ft.
Fair
81°F
27°C
| Humidity | 37% |
| Wind Speed | SW 7 mph |
| Barometer | 30.05 in |
| Dewpoint | 52°F (11°C) |
| Visibility | 10.00 mi |
| Heat Index | 80°F (27°C) |
| Last update | 26 May 10:45 am CDT |
Extended Forecast for
South Beloit IL
Today
High: 86 °F
Mostly Sunny
Tonight
Low: 62 °F
Partly Cloudy
Wednesday
High: 85 °F
Mostly Sunny
then Slight
Chance
T-stormsWednesday Night
Low: 54 °F
Slight Chance
T-storms then
Mostly ClearThursday
High: 76 °F
Sunny
Thursday Night
Low: 48 °F
Mostly Clear
Friday
High: 81 °F
Sunny
Friday Night
Low: 53 °F
Mostly Clear
Saturday
High: 78 °F
Sunny
Detailed Forecast
Today
Mostly sunny, with a high near 86. South wind around 5 mph.
Tonight
Partly cloudy, with a low around 62. South wind around 5 mph becoming calm after midnight.
Wednesday
A 20 percent chance of showers and thunderstorms after 4pm. Mostly sunny, with a high near 85. Calm wind becoming north northeast around 5 mph in the morning. Winds could gust as high as 10 mph.
Wednesday Night
A 10 percent chance of showers and thunderstorms before 7pm. Mostly clear, with a low around 54. East northeast wind around 10 mph, with gusts as high as 20 mph.
Thursday
Sunny, with a high near 76. East northeast wind around 10 mph, with gusts as high as 20 mph.
Thursday Night
Mostly clear, with a low around 48.
Friday
Sunny, with a high near 81.
Friday Night
Mostly clear, with a low around 53.
Saturday
Sunny, with a high near 78.
Saturday Night
Mostly clear, with a low around 51.
Sunday
Sunny, with a high near 78.
Sunday Night
Mostly clear, with a low around 52.
Monday
Sunny, with a high near 80.
Additional Forecasts and Information
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Forecast AreaABOUT THIS FORECAST
Point Forecast:
South Beloit IL
42.49°N 89.02°W
42.49°N 89.02°W
11:17 am CDT May 26, 2026
11am CDT May 26, 2026-6pm CDT Jun 1, 2026
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