Hazardous Weather Conditions
Current conditions at
Janesville-Rock County (KJVL)
Lat: 42.62°NLon: 89.04°WElev: 801ft.
Partly Cloudy
90°F
32°C
| Humidity | 55% |
| Wind Speed | SE 6 mph |
| Barometer | 30.01 in |
| Dewpoint | 72°F (22°C) |
| Visibility | 10.00 mi |
| Heat Index | 97°F (36°C) |
| Last update | 2 Jul 2:45 pm CDT |
Extended Forecast for
Roscoe IL
Extreme Heat Warning July 2, 03:46pm until July 3, 12:00am
NOW until 12:00am Fri

Extreme Heat Warning
This Afternoon

High: 93 °F
Slight Chance
T-stormsTonight

Low: 71 °F
Scattered
T-stormsFriday
High: 88 °F
Chance
T-storms then
T-storms
LikelyFriday Night
Low: 69 °F
Chance
T-storms then
Showers
LikelyIndependence Day

High: 84 °F
Showers
LikelySaturday Night
Low: 65 °F
Chance
T-storms then
Showers
LikelySunday
High: 82 °F
Slight Chance
Showers then
Chance
T-stormsSunday Night

Low: 62 °F
Partly Cloudy
Detailed Forecast
This Afternoon
A 20 percent chance of showers and thunderstorms. Mostly sunny, with a high near 93. Heat index values as high as 102. South southwest wind 10 to 15 mph, with gusts as high as 25 mph.
Tonight
Scattered showers and thunderstorms, mainly after 7pm. Mostly cloudy, with a low around 71. Southwest wind 5 to 10 mph, with gusts as high as 15 mph. Chance of precipitation is 50%.
Friday
Showers and thunderstorms likely, mainly between 3pm and 5pm. Partly sunny, with a high near 88. Heat index values as high as 95. Southwest wind 5 to 10 mph, with gusts as high as 15 mph. Chance of precipitation is 60%. New rainfall amounts between a quarter and half of an inch possible.
Friday Night
A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 1am. Mostly cloudy, with a low around 69. Southwest wind around 5 mph becoming calm in the evening. Winds could gust as high as 10 mph. Chance of precipitation is 70%.
Independence Day
Showers likely and possibly a thunderstorm 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 84. East southeast wind 5 to 10 mph becoming south southwest in the afternoon. Chance of precipitation is 70%.
Saturday Night
A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 1am. Mostly cloudy, with a low around 65. Chance of precipitation is 60%.
Sunday
A slight chance of showers, then a chance of showers and thunderstorms after 1pm. Partly sunny, with a high near 82. Chance of precipitation is 30%.
Sunday Night
Partly cloudy, with a low around 62.
Monday
Mostly sunny, with a high near 82.
Monday Night
Partly cloudy, with a low around 61.
Tuesday
Mostly sunny, with a high near 85.
Tuesday Night
Partly cloudy, with a low around 63.
Wednesday
Mostly sunny, with a high near 86.
Additional Forecasts and Information
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ABOUT THIS FORECAST
Point Forecast:
Roscoe IL
42.41°N 88.99°W
42.41°N 88.99°W
3:17 pm CDT Jul 2, 2026
3pm CDT Jul 2, 2026-6pm CDT Jul 8, 2026



