News Headlines
Hazardous Weather Conditions
Current conditions at
Janesville-Rock County (KJVL)
Lat: 42.62°NLon: 89.04°WElev: 801ft.
Overcast
84°F
29°C
| Humidity | 70% |
| Wind Speed | W 8 mph |
| Barometer | 29.95 in |
| Dewpoint | 73°F (23°C) |
| Visibility | 10.00 mi |
| Heat Index | 90°F (32°C) |
| Last update | 2 Sep 11:45 am CDT |
Extended Forecast for
Rockton IL
Heat Advisory until September 2, 09:00pm
NOW until 9:00pm Wed

Heat Advisory
This Afternoon

High: 92 °F
Mostly Sunny
Tonight
Low: 72 °F
Partly Cloudy
then Slight
Chance
T-stormsThursday

High: 87 °F
Chance
T-stormsThursday Night
Low: 71 °F
Partly Cloudy
then Chance
T-stormsFriday

High: 86 °F
Chance
T-stormsFriday Night
Low: 69 °F
Slight Chance
T-storms then
Chance
T-stormsSaturday

High: 85 °F
Chance
T-stormsSaturday Night

Low: 65 °F
Partly Cloudy
Detailed Forecast
This Afternoon
Mostly sunny, with a high near 92. Heat index values as high as 100. West southwest wind 10 to 15 mph, with gusts as high as 25 mph.
Tonight
A 20 percent chance of showers and thunderstorms after 1am. Partly cloudy, with a low around 72. South wind 5 to 10 mph, with gusts as high as 15 mph.
Thursday
A 30 percent chance of showers and thunderstorms. Partly sunny, with a high near 87. Heat index values as high as 95. South southwest wind 5 to 10 mph becoming west in the afternoon.
Thursday Night
A 50 percent chance of showers and thunderstorms after 1am. Partly cloudy, with a low around 71. South southeast wind around 5 mph becoming northeast after midnight. Winds could gust as high as 10 mph.
Friday
A 40 percent chance of showers and thunderstorms before 1pm. Partly sunny, with a high near 86. East southeast wind around 5 mph becoming south southwest in the afternoon.
Friday Night
A 50 percent chance of showers and thunderstorms, mainly after 1am. Partly cloudy, with a low around 69.
Saturday
A 30 percent chance of showers and thunderstorms, mainly before 1pm. Partly sunny, with a high near 85.
Saturday Night
Partly cloudy, with a low around 65.
Sunday
Partly sunny, with a high near 83.
Sunday Night
A chance of showers after 1am. Partly cloudy, with a low around 63.
Labor Day
A chance of showers. Partly sunny, with a high near 80.
Monday Night
Mostly cloudy, with a low around 61.
Tuesday
Partly sunny, with a high near 80.
Additional Forecasts and Information
Basemap Options
Click map to change the forecast location
Loading map...
ABOUT THIS FORECAST
Point Forecast:
Rockton IL
42.45°N 89.08°W
42.45°N 89.08°W
12:21 pm CDT Sep 2, 2026
12pm CDT Sep 2, 2026-6pm CDT Sep 8, 2026



