Dangerous Heat Wave Continues; Enhanced Area of Severe Thunderstorms Today

A prolonged, dangerous heat wave will continue today in the Midwest and Mississippi Valley, and persist through the Independence Day weekend across the Ohio Valley, Mid-South, and East Coast. Widespread moderate to extreme HeatRisk is forecast. Scattered wind damage and large hail are expected from severe thunderstorms impacting parts of Nebraska into Iowa today. Read More >

Hazardous Weather Conditions

Hazardous Weather Outlook

Current conditions at

Janesville-Rock County (KJVL)

Lat: 42.62°NLon: 89.04°WElev: 801ft.

Mostly Cloudy

75°F

24°C

Humidity	89%
Wind Speed	S 8 mph
Barometer	30.00 in
Dewpoint	72°F (22°C)
Visibility	10.00 mi
Last update	3 Jul 1:45 pm CDT

More Information:

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

Extended Forecast for

Darien WI

This Afternoon
High: 84 °F
Severe
Thunderstorms
Tonight
Low: 69 °F
Severe
Thunderstorms
Independence Day
High: 86 °F
Chance
Showers then
Showers
Likely
Saturday Night
Low: 66 °F
Showers
Likely then
Chance
Showers
Sunday
High: 81 °F
Chance
Showers
Sunday Night
Low: 60 °F
Partly Cloudy
Monday
High: 79 °F
Mostly Sunny
Monday Night
Low: 60 °F
Partly Cloudy
Tuesday
High: 84 °F
Mostly Sunny

Detailed Forecast

This Afternoon

A 30 percent chance of showers and thunderstorms, mainly before 3pm. Some of the storms could be severe. Partly sunny, with a high near 84. West wind around 10 mph.

Tonight

A chance of showers and thunderstorms before midnight, then a slight chance of showers between midnight and 1am, then a slight chance of showers and thunderstorms after 1am. Some of the storms could be severe. Mostly cloudy, with a low around 69. Southwest wind around 5 mph becoming calm after midnight. Chance of precipitation is 30%.

Independence Day

A chance of showers before 10am, then a chance of showers and thunderstorms between 10am and 4pm, then showers likely and possibly a thunderstorm after 4pm. Partly sunny, with a high near 86. Calm wind becoming west around 5 mph in the morning. Chance of precipitation is 60%. New rainfall amounts between a quarter and half of an inch possible.

Saturday Night

Showers likely and possibly a thunderstorm before 7pm, then a chance of showers and thunderstorms between 7pm and 1am, then a chance of showers after 1am. Mostly cloudy, with a low around 66. Southeast wind around 5 mph becoming calm in the evening. 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 81. West wind 5 to 10 mph. Chance of precipitation is 30%.

Sunday Night

Partly cloudy, with a low around 60. North wind 5 to 10 mph.

Monday

Mostly sunny, with a high near 79. North wind 5 to 10 mph.

Monday Night

Partly cloudy, with a low around 60. North wind around 5 mph becoming calm in the evening.

Tuesday

Mostly sunny, with a high near 84.

Tuesday Night

Mostly clear, with a low around 62.

Wednesday

Mostly sunny, with a high near 85.