Strong Coastal Storm to Impact Mid-Atlantic to New England through Thursday

A rapidly intensifying storm developing across the Mid-Atlantic will move quickly into New England by Thursday. The storm will produce heavy rainfall and localized flooding across these areas. Additionally, strong winds may cause some tree damage and power outages through Thursday. Elsewhere, elevated to critical fire weather conditions are forecast across the Great Basin and Central Rockies. Read More >

Hazardous Weather Conditions

Current conditions at

Janesville-Rock County (KJVL)

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

Mostly Cloudy

48°F

9°C

Humidity	66%
Wind Speed	W 12 G 17 mph
Barometer	29.81 in
Dewpoint	37°F (3°C)
Visibility	10.00 mi
Wind Chill	43°F (6°C)
Last update	15 Oct 9:35 pm CDT

More Information:

Local Forecast Office More Local Wx 3 Day History Mobile Weather Hourly Weather Forecast

Detailed forecast for

Rock County

Tonight

Cloudy. Lows in the lower 40s. Northwest winds 15 to 20 mph.

Wednesday

Cooler. Mostly cloudy. Highs in the upper 40s. Northwest winds 10 to 20 mph.

Wednesday Night

Mostly cloudy through around midnight then becoming partly cloudy. Areas of frost after midnight. Lows in the mid 30s. Northwest winds up to 10 mph.

Thursday

Sunny. Patchy frost in the morning. Highs in the mid 50s. Northwest winds up to 5 mph.

Thursday Night

Clear. Lows in the upper 30s. Southeast winds up to 5 mph.

Friday

Partly sunny. Highs around 60.

Friday Night

Partly cloudy. A 40 percent chance of light rain showers after midnight. Lows in the upper 40s.

Saturday

Mostly cloudy with chance of light rain showers and slight chance of thunderstorms. Highs around 60. Chance of precipitation 50 percent.

Saturday Night

Partly cloudy. A 20 percent chance of light rain showers through around midnight. Lows in the mid 40s.

Sunday

Mostly sunny. Highs in the mid 60s.

Sunday Night

Mostly cloudy with a 50 percent chance of light rain showers and thunderstorms. Lows in the lower 50s.

Monday

Mostly cloudy. Rain showers likely and chance of thunderstorms in the morning, then chance of rain showers and thunderstorms in the afternoon. Highs in the mid 60s. Chance of precipitation 60 percent.

Monday Night

Mostly cloudy. Chance of light rain showers and slight chance of thunderstorms through around midnight, then chance of light rain showers after midnight. Lows in the mid 40s. Chance of precipitation 40 percent.

Tuesday

Partly sunny with a 20 percent chance of light rain showers. Cooler. Highs in the lower 50s.