Current conditions at

Janesville-Rock County (KJVL)

Lat: 42.62° N Lon: 89.04° W Elev: 801 ft.

Mostly Cloudy

50°F

10°C

Humidity 88%
Wind Speed Calm
Barometer 30.32 in
Dewpoint 46°F (8°C)
Visibility 10.00 mi
Last update 31 Oct 11:15 pm CST
Detailed forecast for

Rock County

Tonight
Cloudy. A 20 percent chance of light rain showers after midnight. Lows in the upper 40s. Southeast winds up to 5 mph.
Sunday
Mostly cloudy. Highs in the mid 60s. Southeast winds up to 10 mph.
Sunday Night
Partly cloudy in the evening then becoming mostly cloudy. Lows in the lower 50s. Southeast winds 5 to 10 mph.
Monday
Cloudy. Slight chance of light rain showers in the morning, then light rain showers likely in the afternoon. Highs in the mid 60s. South winds 5 to 15 mph. Chance of showers 70 percent.
Monday Night
Light rain showers through around midnight, then light rain showers and slight chance of thunderstorms after midnight. Lows in the mid 50s. South winds 15 to 20 mph. Chance of precipitation 90 percent.
Tuesday
Light rain showers. Highs in the upper 60s. Chance of showers 90 percent.
Tuesday Night
Mostly cloudy. Light rain showers likely through around midnight, then chance of light rain showers after midnight. Lows around 50. Chance of showers 60 percent.
Wednesday
Partly sunny with a 50 percent chance of light rain showers. Highs in the lower 60s.
Wednesday Night
Mostly cloudy. A 30 percent chance of light rain showers through around midnight. Lows in the mid 40s.
Thursday
Partly sunny with a 20 percent chance of light rain showers. Highs around 60.
Thursday Night
Mostly cloudy with a 20 percent chance of light rain showers. Lows in the lower 40s.
Friday
Partly sunny with a 30 percent chance of light rain showers. Highs around 60.
Friday Night
Partly cloudy. Lows around 40.
Saturday
Partly sunny. A 20 percent chance of light rain showers in the afternoon. Highs around 60.



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1030 PM CDT Sat Oct 31 2026
 
 

Additional Resources

Radar & Satellite Image

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Hourly Weather Forecast

National Digital Forecast Database