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Hazardous Weather Conditions
Current conditions at
Janesville-Rock County (KJVL)
Lat: 42.62°NLon: 89.04°WElev: 801ft.
Fair
1°F
-17°C
| Humidity | 71% |
| Wind Speed | Calm |
| Barometer | 30.25 in |
| Dewpoint | -6°F (-21°C) |
| Visibility | 10.00 mi |
| Last update | 27 Jan 11:35 pm CST |
Extended Forecast for
Janesville WI
Tonight

Low: -2 °F
Mostly Clear
Wednesday

High: 13 °F
Sunny
Wednesday Night

Low: -5 °F
Mostly Clear
Thursday

High: 10 °F
Cold
Thursday Night

Low: -4 °F
Mostly Clear
Friday

High: 11 °F
Mostly Sunny
Friday Night

Low: 2 °F
Partly Cloudy
Saturday

High: 18 °F
Sunny
Saturday Night

Low: 3 °F
Partly Cloudy
Detailed Forecast
Tonight
Mostly clear, with a low around -2. Wind chill values between -10 and -15. West wind around 5 mph.
Wednesday
Sunny, with a high near 13. Wind chill values between -5 and -15. West wind 5 to 15 mph.
Wednesday Night
Mostly clear, with a low around -5. Wind chill values between -5 and -10. Northwest wind around 5 mph.
Thursday
Sunny and cold, with a high near 10. Wind chill values between -10 and zero. Northwest wind around 5 mph.
Thursday Night
Mostly clear, with a low around -4. North wind around 5 mph.
Friday
Mostly sunny, with a high near 11. North wind around 10 mph.
Friday Night
Partly cloudy, with a low around 2. Northwest wind 5 to 10 mph.
Saturday
Sunny, with a high near 18. North wind around 5 mph.
Saturday Night
Partly cloudy, with a low around 3.
Sunday
A 30 percent chance of snow, mainly after noon. Mostly sunny, with a high near 23.
Sunday Night
A 40 percent chance of snow. Mostly cloudy, with a low around 12.
Monday
Mostly cloudy, with a high near 24.
Monday Night
Mostly cloudy, with a low around 9.
Tuesday
Partly sunny, with a high near 25.
Additional Forecasts and Information
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ABOUT THIS FORECAST
Point Forecast:
Janesville WI
42.67°N 89.04°W (Elev. 774 ft)
42.67°N 89.04°W (Elev. 774 ft)
9:38 pm CST Jan 27, 2026
11pm CST Jan 27, 2026-6pm CST Feb 3, 2026



