Hazardous Weather Conditions
Current conditions at
Janesville-Rock County (KJVL)
Lat: 42.62°NLon: 89.04°WElev: 801ft.
Mostly Cloudy
61°F
16°C
| Humidity | 31% |
| Wind Speed | S 16 mph |
| Barometer | 30.00 in |
| Dewpoint | 30°F (-1°C) |
| Visibility | 10.00 mi |
| Last update | 29 Mar 5:45 pm CDT |
Extended Forecast for
South Beloit IL
Tonight

Low: 45 °F
Mostly Clear
Monday

High: 75 °F
Sunny
Monday Night

Low: 61 °F
Chance
T-stormsTuesday

High: 74 °F
Showers and
BreezyTuesday Night
Low: 36 °F
Showers then
Chance
ShowersWednesday
High: 44 °F
Mostly Cloudy
then Slight
Chance
ShowersWednesday Night

Low: 32 °F
Showers
Likely and
BreezyThursday

High: 46 °F
Showers
Likely and
BreezyThursday Night

Low: 33 °F
Chance
Showers
Detailed Forecast
Tonight
Mostly clear, with a low around 45. South wind 5 to 15 mph, with gusts as high as 20 mph.
Monday
Sunny, with a high near 75. South southwest wind 5 to 10 mph, with gusts as high as 15 mph.
Monday Night
A 50 percent chance of showers and thunderstorms after 10pm. Mostly cloudy, with a low around 61. South wind 10 to 15 mph, with gusts as high as 20 mph.
Tuesday
Showers and possibly a thunderstorm. High near 74. Breezy, with a south southwest wind 15 to 20 mph, with gusts as high as 35 mph. Chance of precipitation is 80%.
Tuesday Night
Showers, mainly before 7pm. Low around 36. North wind 10 to 15 mph, with gusts as high as 25 mph. Chance of precipitation is 80%.
Wednesday
A 20 percent chance of showers after 1pm. Mostly cloudy, with a high near 44.
Wednesday Night
Showers likely, mainly after 1am. Cloudy, with a low around 32. Breezy. Chance of precipitation is 70%.
Thursday
Showers likely. Cloudy, with a high near 46. Breezy.
Thursday Night
A chance of showers. Mostly cloudy, with a low around 33.
Friday
Mostly cloudy, with a high near 52.
Friday Night
A chance of showers. Mostly cloudy, with a low around 39.
Saturday
Showers likely. Mostly cloudy, with a high near 62.
Saturday Night
Showers likely. Mostly cloudy, with a low around 39.
Sunday
Mostly cloudy, with a high near 52. Breezy.
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
3:41 pm CDT Mar 29, 2026
6pm CDT Mar 29, 2026-6pm CDT Apr 5, 2026



