Flooding Threat Along the Gulf Coast, Southern Rockies and High Plains; Cooler Weather in the Central and Eastern U.S.

Strong thunderstorms may bring excessive rainfall and flooding over parts of the northern Gulf Coast today and over parts of the southern Rockies into the High Plains today through the weekend. A refreshingly cool and dry air mass will continue to produce below average temperatures across the central and eastern U.S. through the weekend. Read More >

Hazardous Weather Conditions

Hazardous Weather Outlook

Current conditions at

Janesville-Rock County (KJVL)

Lat: 42.62°NLon: 89.04°WElev: 801ft.

Partly Cloudy

68°F

20°C

Humidity	64%
Wind Speed	NE 8 mph
Barometer	30.32 in
Dewpoint	55°F (13°C)
Visibility	10.00 mi
Last update	31 Aug 10:45 am CDT

More Information:

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

Extended Forecast for

5 Miles SSW Janesville WI

Today
High: 74 °F
Mostly Sunny
Tonight
Low: 50 °F
Mostly Clear
then Patchy
Fog
Labor Day
High: 76 °F
Patchy Fog
then Sunny
Monday Night
Low: 51 °F
Mostly Clear
Tuesday
High: 77 °F
Sunny
Tuesday Night
Low: 55 °F
Mostly Clear
then Slight
Chance
T-storms
Wednesday
High: 69 °F
Showers
Likely
Wednesday Night
Low: 44 °F
Chance
Showers
Thursday
High: 58 °F
Partly Sunny

Detailed Forecast

Today

Mostly sunny, with a high near 74. East wind around 5 mph.

Tonight

Patchy fog after 2am. Otherwise, mostly clear, with a low around 50. East wind around 5 mph becoming calm in the evening.

Labor Day

Patchy fog before 8am. Otherwise, sunny, with a high near 76. Calm wind becoming southeast around 5 mph in the afternoon.

Monday Night

Mostly clear, with a low around 51. East wind around 5 mph becoming calm.

Tuesday

Sunny, with a high near 77. Calm wind becoming southwest around 5 mph in the afternoon.

Tuesday Night

A slight chance of showers and thunderstorms between 1am and 4am, then a slight chance of showers after 4am. Mostly clear, with a low around 55. Calm wind. Chance of precipitation is 20%.

Wednesday

A chance of showers before 7am, then a chance of showers and thunderstorms between 7am and 1pm, then showers likely and possibly a thunderstorm after 1pm. Partly sunny, with a high near 69. Southwest wind 5 to 15 mph becoming northwest in the afternoon. Chance of precipitation is 70%. New rainfall amounts between a quarter and half of an inch possible.

Wednesday Night

A 30 percent chance of showers before 1am. Mostly cloudy, with a low around 44. Northwest wind 5 to 10 mph.

Thursday

Partly sunny, with a high near 58.

Thursday Night

Mostly cloudy, with a low around 43.

Friday

A 20 percent chance of showers. Partly sunny, with a high near 64.

Friday Night

Partly cloudy, with a low around 44.

Saturday

Sunny, with a high near 66.