Hazardous Weather Conditions
Current conditions at
Janesville-Rock County (KJVL)
Lat: 42.62°NLon: 89.04°WElev: 801ft.
Fair
54°F
12°C
| Humidity | 94% |
| Wind Speed | NW 3 mph |
| Barometer | 30.05 in |
| Dewpoint | 52°F (11°C) |
| Visibility | 10.00 mi |
| Last update | 23 Aug 4:35 am CDT |
Extended Forecast for
South Beloit IL
Today
High: 75 °F
Sunny
Tonight
Low: 51 °F
Mostly Clear
Monday
High: 76 °F
Sunny
Monday Night
Low: 54 °F
Mostly Clear
Tuesday
High: 79 °F
Mostly Sunny
Tuesday Night
Low: 61 °F
Partly Cloudy
then Chance
ShowersWednesday
High: 82 °F
Slight Chance
T-storms then
Chance
T-stormsWednesday Night
Low: 60 °F
Mostly Clear
Thursday
High: 80 °F
Sunny
Detailed Forecast
Today
Sunny, with a high near 75. North northwest wind 5 to 10 mph, with gusts as high as 15 mph.
Tonight
Mostly clear, with a low around 51. North northwest wind around 5 mph becoming calm in the evening.
Monday
Sunny, with a high near 76. Calm wind becoming northwest around 5 mph in the afternoon.
Monday Night
Mostly clear, with a low around 54. Calm wind.
Tuesday
Mostly sunny, with a high near 79. Calm wind becoming southwest around 5 mph in the afternoon. Winds could gust as high as 10 mph.
Tuesday Night
A 30 percent chance of showers and thunderstorms after 1am. Partly cloudy, with a low around 61.
Wednesday
A 50 percent chance of showers and thunderstorms, mainly after 1pm. Mostly sunny, with a high near 82.
Wednesday Night
Mostly clear, with a low around 60.
Thursday
Sunny, with a high near 80.
Thursday Night
Mostly clear, with a low around 57.
Friday
Sunny, with a high near 79.
Friday Night
Partly cloudy, with a low around 56.
Saturday
Partly sunny, with a high near 78.
Additional Forecasts and Information
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Forecast AreaABOUT THIS FORECAST
Point Forecast:
South Beloit IL
42.47°N 89.05°W
42.47°N 89.05°W
3:41 am CDT Aug 23, 2026
4am CDT Aug 23, 2026-6pm CDT Aug 29, 2026
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