Hazardous Weather Conditions
Current conditions at
Janesville-Rock County (KJVL)
Lat: 42.62°NLon: 89.04°WElev: 801ft.
Fair
-8°F
-22°C
| Humidity | 84% |
| Wind Speed | NW 6 mph |
| Barometer | 30.30 in |
| Dewpoint | -11°F (-24°C) |
| Visibility | 10.00 mi |
| Wind Chill | -21°F (-29°C) |
| Last update | 29 Jan 5:45 am CST |
Extended Forecast for
South Beloit IL
Today

High: 13 °F
Sunny
Tonight

Low: -1 °F
Mostly Clear
Friday
High: 15 °F
Slight Chance
Snow Showers
then Mostly
SunnyFriday Night

Low: 4 °F
Partly Cloudy
Saturday

High: 20 °F
Sunny
Saturday Night

Low: 3 °F
Mostly Clear
Sunday
High: 25 °F
Mostly Sunny
then Slight
Chance SnowSunday Night

Low: 16 °F
Chance Snow
Monday

High: 28 °F
Mostly Cloudy
Detailed Forecast
Today
Sunny, with a high near 13. Wind chill values as low as -13. North northwest wind around 5 mph.
Tonight
Mostly clear, with a low around -1. Wind chill values as low as -11. North northwest wind around 5 mph, with gusts as high as 10 mph.
Friday
A slight chance of snow showers between 9am and noon. Mostly sunny, with a high near 15. Wind chill values as low as -12. North wind 5 to 10 mph, with gusts as high as 20 mph. Chance of precipitation is 20%.
Friday Night
Partly cloudy, with a low around 4. Wind chill values as low as -8. North northwest wind 5 to 10 mph, with gusts as high as 15 mph.
Saturday
Sunny, with a high near 20. North northwest wind 5 to 10 mph, with gusts as high as 15 mph.
Saturday Night
Mostly clear, with a low around 3.
Sunday
A 20 percent chance of snow after noon. Mostly sunny, with a high near 25.
Sunday Night
A chance of snow. Mostly cloudy, with a low around 16.
Monday
Mostly cloudy, with a high near 28.
Monday Night
Mostly cloudy, with a low around 13.
Tuesday
Partly sunny, with a high near 26.
Tuesday Night
A chance of snow. Mostly cloudy, with a low around 14.
Wednesday
A chance of snow. Partly sunny, with a high near 26.
Additional Forecasts and Information
Basemap Options
Click map to change the forecast location
Loading map...
ABOUT THIS FORECAST
Point Forecast:
South Beloit IL
42.5°N 89.05°W
42.5°N 89.05°W
5:41 am CST Jan 29, 2026
6am CST Jan 29, 2026-6pm CST Feb 4, 2026



