Current conditions at
Janesville-Rock County (KJVL)
Lat: 42.62°NLon: 89.04°WElev: 801ft.
Fair
79°F
26°C
| Humidity | 37% |
| Wind Speed | Calm |
| Barometer | 30.06 in |
| Dewpoint | 50°F (10°C) |
| Visibility | 10.00 mi |
| Heat Index | 79°F (26°C) |
| Last update | 29 May 11:45 am CDT |
Extended Forecast for
South Beloit IL
This Afternoon
High: 84 °F
Mostly Sunny
Tonight
Low: 57 °F
Mostly Cloudy
Saturday
High: 74 °F
Mostly Cloudy
Saturday Night
Low: 52 °F
Mostly Cloudy
Sunday
High: 78 °F
Partly Sunny
Sunday Night
Low: 53 °F
Mostly Cloudy
Monday
High: 81 °F
Partly Sunny
Monday Night
Low: 53 °F
Mostly Clear
Tuesday
High: 81 °F
Sunny
Detailed Forecast
This Afternoon
Mostly sunny, with a high near 84. Southwest wind around 5 mph.
Tonight
Mostly cloudy, with a low around 57. Northeast wind around 5 mph becoming calm after midnight.
Saturday
Mostly cloudy, with a high near 74. East wind 10 to 15 mph, with gusts as high as 25 mph.
Saturday Night
Mostly cloudy, with a low around 52. East wind 5 to 15 mph.
Sunday
Partly sunny, with a high near 78. East southeast wind 5 to 10 mph.
Sunday Night
Mostly cloudy, with a low around 53.
Monday
Partly sunny, with a high near 81.
Monday Night
Mostly clear, with a low around 53.
Tuesday
Sunny, with a high near 81.
Tuesday Night
Mostly clear, with a low around 53.
Wednesday
Sunny, with a high near 84.
Wednesday Night
Partly cloudy, with a low around 58.
Thursday
Mostly sunny, with a high near 87.
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
12:17 pm CDT May 29, 2026
12pm CDT May 29, 2026-6pm CDT Jun 4, 2026
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