Current conditions at
Janesville-Rock County (KJVL)
Lat: 42.62°NLon: 89.04°WElev: 801ft.
Partly Cloudy
48°F
9°C
| Humidity | 29% |
| Wind Speed | SW 10 mph |
| Barometer | 29.55 in |
| Dewpoint | 18°F (-8°C) |
| Visibility | 10.00 mi |
| Wind Chill | 44°F (7°C) |
| Last update | 18 Feb 6:45 pm CST |
Extended Forecast for
South Beloit IL
Tonight
Low: 35 °F
Partly Cloudy
Thursday
High: 54 °F
Mostly Sunny
then Chance
ShowersThursday Night
Low: 32 °F
Showers
Likely then
Rain/Snow
Likely and
BreezyFriday
High: 39 °F
Breezy.
Chance Snow
then Mostly
CloudyFriday Night
Low: 23 °F
Mostly Cloudy
Saturday
High: 34 °F
Partly Sunny
Saturday Night
Low: 20 °F
Mostly Cloudy
Sunday
High: 30 °F
Partly Sunny
Sunday Night
Low: 15 °F
Partly Cloudy
Detailed Forecast
Tonight
Partly cloudy, with a low around 35. Southwest wind 5 to 10 mph becoming light south southwest after midnight. Winds could gust as high as 20 mph.
Thursday
A slight chance of showers between 2pm and 4pm, then a chance of showers and thunderstorms after 4pm. Partly sunny, with a high near 54. East wind 5 to 10 mph, with gusts as high as 15 mph. Chance of precipitation is 50%.
Thursday Night
Rain showers likely before midnight, then rain likely between midnight and 3am, then rain and snow likely after 3am. Some thunder is also possible. Mostly cloudy, with a low around 32. Breezy, with an east northeast wind 10 to 20 mph becoming southwest after midnight. Winds could gust as high as 25 mph. Chance of precipitation is 70%. Little or no snow accumulation expected.
Friday
A 50 percent chance of snow before noon. Mostly cloudy, with a high near 39. Breezy, with a west wind 15 to 20 mph, with gusts as high as 30 mph.
Friday Night
Mostly cloudy, with a low around 23. West northwest wind 10 to 15 mph, with gusts as high as 20 mph.
Saturday
Partly sunny, with a high near 34.
Saturday Night
Mostly cloudy, with a low around 20.
Sunday
Partly sunny, with a high near 30.
Sunday Night
Partly cloudy, with a low around 15.
Monday
Mostly sunny, with a high near 30.
Monday Night
Mostly clear, with a low around 16.
Tuesday
Partly sunny, with a high near 40.
Tuesday Night
Mostly cloudy, with a low around 28.
Wednesday
Mostly cloudy, with a high near 44.
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
5:56 pm CST Feb 18, 2026
7pm CST Feb 18, 2026-6pm CST Feb 25, 2026
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