Hazardous Weather Conditions
Current conditions at
Janesville-Rock County (KJVL)
Lat: 42.62°NLon: 89.04°WElev: 801ft.
Overcast
63°F
17°C
| Humidity | 68% |
| Wind Speed | E 14 mph |
| Barometer | 29.86 in |
| Dewpoint | 52°F (11°C) |
| Visibility | 10.00 mi |
| Last update | 17 May 9:45 am CDT |
Extended Forecast for
South Beloit IL
Today
High: 81 °F
Scattered
ShowersTonight
Low: 67 °F
Partly Cloudy
then Chance
ShowersMonday
High: 82 °F
Showers
Likely and
BreezyMonday Night
Low: 65 °F
Chance
Showers then
Showers and
BreezyTuesday
High: 77 °F
Breezy.
Showers then
Chance
ShowersTuesday Night
Low: 46 °F
Mostly Cloudy
Wednesday
High: 63 °F
Mostly Sunny
Wednesday Night
Low: 41 °F
Partly Cloudy
Thursday
High: 64 °F
Mostly Sunny
Detailed Forecast
Today
Scattered showers and thunderstorms before 2pm, then isolated showers between 2pm and 3pm. Mostly cloudy, with a high near 81. East southeast wind 10 to 15 mph becoming south in the afternoon. Winds could gust as high as 25 mph. Chance of precipitation is 50%.
Tonight
A slight chance of showers between 3am and 5am, then a chance of showers and thunderstorms after 5am. Partly cloudy, with a low around 67. South wind 10 to 15 mph, with gusts as high as 25 mph. Chance of precipitation is 30%.
Monday
A chance of showers and thunderstorms before 8am, then showers likely and possibly a thunderstorm between 8am and 4pm, then a chance of showers and thunderstorms after 4pm. Mostly cloudy, with a high near 82. Breezy, with a south southwest wind 15 to 20 mph, with gusts as high as 30 mph. Chance of precipitation is 70%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Monday Night
A chance of showers and thunderstorms, then showers and possibly a thunderstorm after 1am. Low around 65. Breezy, with a south wind 15 to 20 mph, with gusts as high as 25 mph. Chance of precipitation is 80%.
Tuesday
Showers and thunderstorms before 10am, then a chance of showers. High near 77. 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 80%.
Tuesday Night
Mostly cloudy, with a low around 46.
Wednesday
Mostly sunny, with a high near 63.
Wednesday Night
Partly cloudy, with a low around 41.
Thursday
Mostly sunny, with a high near 64.
Thursday Night
Partly cloudy, with a low around 44.
Friday
Partly sunny, with a high near 69.
Friday Night
Mostly cloudy, with a low around 49.
Saturday
Partly sunny, with a high near 75.
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
9:16 am CDT May 17, 2026
10am CDT May 17, 2026-6pm CDT May 23, 2026
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