Current conditions at
Janesville-Rock County (KJVL)
Lat: 42.62°NLon: 89.04°WElev: 801ft.
Overcast
18°F
-8°C
| Humidity | 73% |
| Wind Speed | NW 9 mph |
| Barometer | 29.88 in |
| Dewpoint | 10°F (-12°C) |
| Visibility | 10.00 mi |
| Wind Chill | 7°F (-14°C) |
| Last update | 2 Jan 4:30 am CST |
Extended Forecast for
South Beloit IL
Today

High: 23 °F
Mostly Sunny
Tonight

Low: 15 °F
Mostly Cloudy
Saturday

High: 26 °F
Mostly Cloudy
Saturday Night

Low: 10 °F
Mostly Clear
Sunday

High: 28 °F
Mostly Sunny
Sunday Night
Low: 23 °F
Slight Chance
Wintry Mix
then Partly
CloudyMonday

High: 40 °F
Mostly Sunny
Monday Night

Low: 30 °F
Mostly Cloudy
Tuesday

High: 42 °F
Partly Sunny
Detailed Forecast
Today
Mostly sunny, with a high near 23. Northwest wind around 5 mph, with gusts as high as 10 mph.
Tonight
Mostly cloudy, with a low around 15. North northwest wind around 5 mph becoming calm.
Saturday
Mostly cloudy, with a high near 26. Calm wind becoming west around 5 mph in the afternoon.
Saturday Night
Mostly clear, with a low around 10. West northwest wind around 5 mph becoming calm.
Sunday
Mostly sunny, with a high near 28. Calm wind becoming south around 5 mph in the afternoon. Winds could gust as high as 15 mph.
Sunday Night
A slight chance of snow and freezing rain before 9pm, then a slight chance of freezing rain between 9pm and midnight. Mostly cloudy, with a low around 23. Chance of precipitation is 20%.
Monday
Mostly sunny, with a high near 40.
Monday Night
Mostly cloudy, with a low around 30.
Tuesday
Partly sunny, with a high near 42.
Tuesday Night
Mostly cloudy, with a low around 27.
Wednesday
Partly sunny, with a high near 42.
Wednesday Night
Mostly cloudy, with a low around 31.
Thursday
A chance of rain. Mostly cloudy, with a high near 47.
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
2:56 am CST Jan 2, 2026
4am CST Jan 2, 2026-6pm CST Jan 8, 2026


