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.

Fair

84°F

29°C

Humidity	55%
Wind Speed	E 9 mph
Barometer	30.09 in
Dewpoint	66°F (19°C)
Visibility	10.00 mi
Heat Index	86°F (30°C)
Last update	2 Jul 11:45 am CDT

More Information:

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

Extended Forecast for

3 Miles W Beloit WI

Extreme Heat Warning July 2, 12:14pm until July 2, 10:00pm

Click here for hazard details and duration

Extreme Heat Warning

Extreme Heat Warning July 2, 12:14pm until July 2, 10:00pm
NOW until 10:00pm Thu
Extreme Heat Warning
This Afternoon
High: 90 °F
Slight Chance
T-storms
Tonight
Low: 71 °F
Chance
T-storms then
Showers
Likely
Friday
High: 87 °F
Chance
Showers then
Chance
T-storms
Friday Night
Low: 68 °F
Chance
T-storms
Independence Day
High: 83 °F
Showers
Likely
Saturday Night
Low: 65 °F
Chance
T-storms then
Showers
Likely
Sunday
High: 82 °F
Slight Chance
Showers then
Chance
T-storms
Sunday Night
Low: 62 °F
Partly Cloudy

Detailed Forecast

This Afternoon

A 20 percent chance of showers and thunderstorms after 3pm. Mostly sunny and hot, with a high near 90. Heat index values as high as 98. Southwest wind 10 to 15 mph.

Tonight

A chance of showers and thunderstorms before midnight, then showers likely and possibly a thunderstorm between midnight and 4am, then a chance of showers and thunderstorms after 4am. Mostly cloudy, with a low around 71. Southwest wind 5 to 10 mph becoming west after midnight. 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 7am. Partly sunny, with a high near 87. Southwest wind 5 to 10 mph.

Friday Night

A 50 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 68. Southwest wind around 5 mph becoming calm in the evening.

Independence Day

A chance of showers before 10am, then a chance of showers and thunderstorms between 10am and 1pm, then showers likely and possibly a thunderstorm after 1pm. Mostly cloudy, with a high near 83. Northeast wind 5 to 10 mph becoming south in the afternoon. 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 65. South wind 5 to 10 mph becoming west 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, then a chance of showers and thunderstorms after 1pm. Partly sunny, with a high near 82. Northwest wind 5 to 10 mph. Chance of precipitation is 30%.

Sunday Night

Partly cloudy, with a low around 62. North wind 5 to 10 mph becoming light northeast in the evening.

Monday

Mostly sunny, with a high near 84.

Monday Night

Partly cloudy, with a low around 63.

Tuesday

Mostly sunny, with a high near 86.

Tuesday Night

Partly cloudy, with a low around 65.

Wednesday

A 20 percent chance of showers and thunderstorms. Mostly sunny, with a high near 86.