Dangerous Heat Wave Continues; Areas of Severe Thunderstorms Today

Dangerous, record-breaking heat will continue across most of the central and eastern U.S through Friday then focusing on the eastern U.S. through the Independence Day weekend. Peak heat indices of up to 115 degrees are possible. Strong to severe thunderstorms will be possible from the northern Plains into the Midwest and Great Lakes regions, as well as across the southern Appalachians today. Read More >

Hazardous Weather Conditions

Current conditions at

Janesville-Rock County (KJVL)

Lat: 42.62°NLon: 89.04°WElev: 801ft.

Partly Cloudy

81°F

27°C

Humidity	62%
Wind Speed	N 6 mph
Barometer	30.07 in
Dewpoint	66°F (19°C)
Visibility	10.00 mi
Heat Index	83°F (28°C)
Last update	2 Jul 10:45 am CDT

More Information:

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

Extended Forecast for

3 Miles N Avalon WI

Extreme Heat Warning July 2, 11:54am until July 2, 10:00pm

Click here for hazard details and duration

Extreme Heat Warning

Extreme Heat Warning July 2, 11:54am until July 2, 10:00pm
NOW until 10:00pm Thu
Extreme Heat Warning
Today
High: 91 °F
Chance
T-storms
Tonight
Low: 70 °F
Chance
T-storms then
Showers
Likely
Friday
High: 86 °F
Chance
Showers then
Chance
T-storms
Friday Night
Low: 67 °F
Heavy Rain
Independence Day
High: 83 °F
Showers
Likely
Saturday Night
Low: 64 °F
Chance
T-storms then
Showers
Likely
Sunday
High: 81 °F
Chance
T-storms
Sunday Night
Low: 61 °F
Partly Cloudy

Detailed Forecast

Today

A 30 percent chance of showers and thunderstorms, mainly after 4pm. Mostly sunny and hot, with a high near 91. Heat index values as high as 97. Southeast wind 5 to 15 mph becoming southwest in the afternoon.

Tonight

A chance of showers and thunderstorms before midnight, then showers likely and possibly a thunderstorm between midnight and 3am, then a chance of showers and thunderstorms after 3am. Mostly cloudy, with a low around 70. Southwest wind 5 to 10 mph. Chance of precipitation is 70%. New rainfall amounts between a quarter and half of an inch possible.

Friday

A 50 percent chance of showers and thunderstorms, mainly after 8am. Partly sunny, with a high near 86. Southwest wind 5 to 10 mph.

Friday Night

A 50 percent chance of showers and thunderstorms. Some of the storms could produce heavy rainfall. Mostly cloudy, with a low around 67. West wind around 5 mph becoming calm in the evening.

Independence Day

A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 1pm. Mostly cloudy, with a high near 83. Southwest wind 5 to 10 mph becoming southeast in the morning. Chance of precipitation is 70%. New rainfall amounts between a quarter and half of an inch possible.

Saturday Night

A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 1am. Mostly cloudy, with a low around 64. South wind 5 to 10 mph becoming northwest after midnight. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

Sunday

A slight chance of showers and thunderstorms before 7am, then a slight chance of showers between 7am and 1pm, then a chance of showers and thunderstorms after 1pm. Partly sunny, with a high near 81. Northwest wind 5 to 10 mph. Chance of precipitation is 40%.

Sunday Night

Partly cloudy, with a low around 61. North wind 5 to 10 mph becoming light in the evening.

Monday

Mostly sunny, with a high near 83.

Monday Night

Partly cloudy, with a low around 62.

Tuesday

Mostly sunny, with a high near 85.

Tuesday Night

Partly cloudy, with a low around 64.

Wednesday

A 20 percent chance of showers and thunderstorms. Mostly sunny, with a high near 85.