Hazardous Weather Conditions
Current conditions at
Janesville-Rock County (KJVL)
Lat: 42.62°NLon: 89.04°WElev: 801ft.
Fair
3°F
-16°C
| Humidity | 92% |
| Wind Speed | Calm |
| Barometer | 30.38 in |
| Dewpoint | 1°F (-17°C) |
| Visibility | 10.00 mi |
| Last update | 31 Jan 11:55 pm CST |
Extended Forecast for
South Beloit IL
Overnight

Low: 5 °F
Mostly Clear
Sunday
High: 26 °F
Partly Sunny
then Chance
SnowSunday Night
Low: 17 °F
Snow Likely
then Slight
Chance SnowMonday

High: 26 °F
Partly Sunny
Monday Night

Low: 9 °F
Mostly Cloudy
Tuesday

High: 21 °F
Mostly Sunny
Tuesday Night

Low: 4 °F
Partly Cloudy
Wednesday

High: 23 °F
Sunny
Wednesday Night

Low: 9 °F
Partly Cloudy
Detailed Forecast
Overnight
Mostly clear, with a low around 5. Wind chill values as low as -3. Calm wind becoming southwest around 5 mph.
Sunday
A 30 percent chance of snow, mainly after 3pm. Partly sunny, with a high near 26. Wind chill values as low as -4. South southwest wind 5 to 15 mph, with gusts as high as 20 mph.
Sunday Night
Snow likely, mainly before midnight. Cloudy, with a low around 17. South wind 5 to 10 mph becoming west after midnight. Chance of precipitation is 60%. New snow accumulation of less than a half inch possible.
Monday
Partly sunny, with a high near 26. West northwest wind 5 to 10 mph.
Monday Night
Mostly cloudy, with a low around 9. Northwest wind around 5 mph becoming calm in the evening.
Tuesday
Mostly sunny, with a high near 21.
Tuesday Night
Partly cloudy, with a low around 4.
Wednesday
Sunny, with a high near 23.
Wednesday Night
Partly cloudy, with a low around 9.
Thursday
A chance of snow after noon. Mostly cloudy, with a high near 32.
Thursday Night
A chance of snow. Mostly cloudy, with a low around 25.
Friday
Mostly cloudy, with a high near 33.
Friday Night
Mostly cloudy, with a low around 8.
Saturday
Partly sunny, with a high near 21.
Additional Forecasts and Information
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ABOUT THIS FORECAST
Point Forecast:
South Beloit IL
42.5°N 89.05°W
42.5°N 89.05°W
11:41 pm CST Jan 31, 2026
12am CST Feb 1, 2026-6pm CST Feb 7, 2026



