Erin Strengthens to a Hurricane; Heavy Rainfall Possible in Puerto Rico and the Virgin Islands, the Upper Midwest, South Texas

Hurricane Erin may bring isolated flash and urban flooding, landslides or mudslides, and possible tropical storm conditions to Puerto Rico and the U.S. Virgin Islands this weekend. Scattered thunderstorms and heavy rainfall may bring areas of flooding this weekend over the Upper Midwest. A tropical disturbance will bring locally heavy rain and mainly urban flash flooding to far southern Texas. Read More >

Hazardous Weather Conditions

Current conditions at

Janesville-Rock County (KJVL)

Lat: 42.62°NLon: 89.04°WElev: 801ft.

Mostly Cloudy

70°F

21°C

Humidity	94%
Wind Speed	NE 5 mph
Barometer	30.03 in
Dewpoint	68°F (20°C)
Visibility	10.00 mi
Last update	17 Aug 2:50 am CDT

More Information:

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

Extended Forecast for

3 Miles W Harvard IL

Flood Advisory until August 17, 04:00am

Click here for hazard details and duration

Flood Advisory

Flood Advisory until August 17, 04:00am
NOW until 4:00am Sun
Flood Advisory
Overnight
Low: 70 °F
T-storms
Likely
Sunday
High: 78 °F
Chance
T-storms then
Partly Sunny
Sunday Night
Low: 67 °F
Partly Cloudy
then Slight
Chance
T-storms
Monday
High: 87 °F
Chance
T-storms
Monday Night
Low: 70 °F
T-storms
Likely
Tuesday
High: 83 °F
Slight Chance
T-storms
Tuesday Night
Low: 64 °F
Mostly Cloudy
Wednesday
High: 76 °F
Partly Sunny

Detailed Forecast

Overnight

Showers and thunderstorms likely, mainly before 4am. Mostly cloudy, with a low around 70. Calm wind becoming northwest around 5 mph. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

Sunday

A 30 percent chance of showers and thunderstorms before 10am. Partly sunny, with a high near 78. East northeast wind 5 to 10 mph.

Sunday Night

A 20 percent chance of showers and thunderstorms after 1am. Partly cloudy, with a low around 67. East northeast wind around 10 mph, with gusts as high as 15 mph.

Monday

A 40 percent chance of showers and thunderstorms. Mostly sunny, with a high near 87. South wind around 10 mph, with gusts as high as 15 mph.

Monday Night

Showers and thunderstorms likely. Mostly cloudy, with a low around 70. Southwest wind 5 to 10 mph. Chance of precipitation is 60%.

Tuesday

A 20 percent chance of showers and thunderstorms before 1pm. Partly sunny, with a high near 83.

Tuesday Night

Mostly cloudy, with a low around 64.

Wednesday

Partly sunny, with a high near 76.

Wednesday Night

Mostly clear, with a low around 60.