Hazardous Weather Conditions
Current conditions at
Janesville-Rock County (KJVL)
Lat: 42.62°NLon: 89.04°WElev: 801ft.
Fog/Mist
61°F
16°C
| Humidity | 100% |
| Wind Speed | S 13 G 28 mph |
| Barometer | 29.59 in |
| Dewpoint | 61°F (16°C) |
| Visibility | 5.00 mi |
| Last update | 2 Apr 3:45 pm CDT |
Extended Forecast for
South Beloit IL
Tornado Watch until April 2, 08:00pm
NOW until 8:00pm Thu
Tornado Watch
This Afternoon
High: 67 °F
Severe
Thunderstorms
and BreezyTonight
Low: 42 °F
Severe
Thunderstorms
and Breezy
then Mostly
CloudyFriday
High: 57 °F
Mostly Cloudy
Friday Night
Low: 42 °F
Showers
Saturday
High: 56 °F
Chance
Showers and
BreezySaturday Night
Low: 33 °F
Mostly Cloudy
Sunday
High: 50 °F
Partly Sunny
Sunday Night
Low: 33 °F
Partly Cloudy
Detailed Forecast
This Afternoon
Showers likely and possibly a thunderstorm before 5pm, then scattered showers. Some of the storms could be severe. Mostly cloudy, with a high near 67. Breezy, with a south wind around 20 mph, with gusts as high as 35 mph. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Tonight
Showers and possibly a thunderstorm before 9pm, then scattered showers and thunderstorms between 9pm and 11pm. Some of the storms could be severe. Low around 42. Breezy, with a south southwest wind 20 to 25 mph becoming west 10 to 15 mph after midnight. Winds could gust as high as 35 mph. Chance of precipitation is 80%. New precipitation amounts between a quarter and half of an inch possible.
Friday
Mostly cloudy, with a high near 57. West wind 5 to 10 mph becoming east in the afternoon.
Friday Night
Showers and thunderstorms before 10pm, then showers and possibly a thunderstorm between 10pm and 4am, then showers after 4am. Low around 42. East wind 10 to 15 mph, with gusts as high as 25 mph. Chance of precipitation is 100%.
Saturday
A 30 percent chance of showers before 1pm. Cloudy, with a high near 56. Breezy, with a west wind 15 to 20 mph, with gusts as high as 30 mph.
Saturday Night
Mostly cloudy, with a low around 33.
Sunday
Partly sunny, with a high near 50.
Sunday Night
Partly cloudy, with a low around 33.
Monday
Partly sunny, with a high near 49.
Monday Night
Partly cloudy, with a low around 25.
Tuesday
Sunny, with a high near 45.
Tuesday Night
Mostly cloudy, with a low around 30.
Wednesday
Mostly cloudy, with a high near 59. Breezy.
Wednesday Night
A chance of showers. Mostly cloudy, with a low around 46.
Thursday
A chance of showers. Partly sunny, with a high near 62.
Additional Forecasts and Information
Basemap Options
Click map to change the forecast location
Loading map...
Forecast AreaABOUT THIS FORECAST
Point Forecast:
South Beloit IL
42.5°N 89.05°W
42.5°N 89.05°W
3:56 pm CDT Apr 2, 2026
4pm CDT Apr 2, 2026-6pm CDT Apr 9, 2026
Additional Resources
Radar & Satellite Image
Hourly Weather Forecast
