Hazardous Weather Conditions
Current conditions at
Janesville-Rock County (KJVL)
Lat: 42.62°NLon: 89.04°WElev: 801ft.
Overcast
43°F
6°C
| Humidity | 57% |
| Wind Speed | S 9 mph |
| Barometer | 30.18 in |
| Dewpoint | 28°F (-2°C) |
| Visibility | 10.00 mi |
| Wind Chill | 38°F (3°C) |
| Last update | 29 Mar 6:45 am CDT |
Extended Forecast for
South Beloit IL
Today

High: 64 °F
Partly Sunny
Tonight

Low: 45 °F
Mostly Clear
Monday

High: 76 °F
Sunny
Monday Night

Low: 59 °F
Chance
T-stormsTuesday
High: 73 °F
Breezy.
Chance
Showers then
Showers
LikelyTuesday Night

Low: 34 °F
Chance
ShowersWednesday
High: 46 °F
Partly Sunny
then Slight
Chance
ShowersWednesday Night

Low: 30 °F
Chance
ShowersThursday

High: 42 °F
Chance
Rain/Snow
Detailed Forecast
Today
Partly sunny, with a high near 64. South southwest wind 10 to 15 mph, with gusts as high as 25 mph.
Tonight
Mostly clear, with a low around 45. South wind 5 to 10 mph, with gusts as high as 15 mph.
Monday
Sunny, with a high near 76. South southwest wind 5 to 15 mph, with gusts as high as 20 mph.
Monday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 59. South southwest wind 10 to 15 mph. Chance of precipitation is 50%.
Tuesday
A chance of showers before 10am, then a chance of showers and thunderstorms between 10am and 1pm, then showers likely and possibly a thunderstorm after 1pm. Mostly cloudy, with a high near 73. Breezy, with a south southwest wind 15 to 20 mph becoming west in the afternoon. Winds could gust as high as 30 mph. Chance of precipitation is 70%.
Tuesday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 34. Chance of precipitation is 40%.
Wednesday
A 20 percent chance of showers after 1pm. Partly sunny, with a high near 46.
Wednesday Night
A chance of showers. Mostly cloudy, with a low around 30.
Thursday
A chance of rain and snow showers before 1pm, then a chance of rain showers. Mostly cloudy, with a high near 42.
Thursday Night
A chance of showers. Mostly cloudy, with a low around 34.
Friday
Mostly cloudy, with a high near 54.
Friday Night
A chance of showers. Mostly cloudy, with a low around 41.
Saturday
Showers likely. Mostly cloudy, with a high near 59.
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
4:56 am CDT Mar 29, 2026
7am CDT Mar 29, 2026-6pm CDT Apr 4, 2026



