Summer Heat Continues; Severe Weather For Northeast

A large ridge of high pressure continues to deliver summer heat w/ humidity in several sections of the country. Excessive heat warnings and heat advisories are in effect across the Desert Southwest, southern Plains, Lower Mississippi Valley and a small part of the Mid-Atlantic. Meanwhile, severe thunderstorms are in the forecast for the Northeast into the northern Mid-Atlantic for damaging winds. Read More >

Current conditions at

Janesville-Rock County (KJVL)

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

Patches Fog

66°F

19°C

Humidity	100%
Wind Speed	Calm
Barometer	29.92 in
Dewpoint	66°F (19°C)
Visibility	2.00 mi
Last update	21 Aug 5:45 am CDT

More Information:

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

Detailed forecast for

Rock County

Today

Partly sunny. Patchy fog in the morning. Highs in the upper 70s. Northwest winds 5 to 10 mph.

Tonight

Partly cloudy until early morning then clearing. Lows in the mid 50s. North winds up to 5 mph.

Thursday

Sunny until late afternoon then becoming partly sunny. Highs in the mid 70s. Northeast winds up to 10 mph.

Thursday Night

Partly cloudy. Lows in the mid 50s. Northeast winds up to 10 mph.

Friday

Mostly sunny. Highs in the mid 70s. East winds 5 to 10 mph.

Friday Night

Mostly clear. Lows in the lower 50s.

Saturday

Partly sunny. Highs in the mid 70s.

Saturday Night

Partly cloudy. Lows in the mid 50s.

Sunday

Mostly sunny. Highs in the upper 70s.

Sunday Night

Partly cloudy. Slight chance of light showers through around midnight, then chance of showers and thunderstorms after midnight. Lows in the lower 60s. Chance of precipitation 40 percent.

Monday

Partly sunny with a 50 percent chance of showers and thunderstorms. Highs in the lower 80s.

Monday Night

Partly cloudy with a 40 percent chance of showers and thunderstorms. Lows in the mid 60s.

Tuesday

Mostly sunny with a 20 percent chance of light showers. Highs around 80.