Extreme Heat and Excessive Rainfall This Week

A significant heat wave continues for the Rockies, Northern Plains, and Great Lakes into the Mid-Atlantic, peaking in intensity through midweek and lingering across parts of the Northern Plains and Midwest until this weekend. Excessive rainfall my bring life-threatening and locally catastrophic flash and urban flooding across portions of southwestern Texas through early Friday. Read More >

Hazardous Weather Conditions

Current conditions at

Janesville-Rock County (KJVL)

Lat: 42.62°NLon: 89.04°WElev: 801ft.

Fair

79°F

26°C

Humidity	89%
Wind Speed	W 6 mph
Barometer	30.12 in
Dewpoint	75°F (24°C)
Visibility	10.00 mi
Heat Index	83°F (28°C)
Last update	14 Jul 8:45 pm CDT

More Information:

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

Extended Forecast for

4 Miles WSW Fort Atkinson WI

Heat Advisory July 14, 10:02pm until July 15, 08:00pm

Click here for hazard details and duration

Heat Advisory

Heat Advisory July 14, 10:02pm until July 15, 08:00pm
NOW until 8:00pm Wed
Heat Advisory
Tonight
Low: 70 °F
Clear
Wednesday
High: 94 °F
Hot
Wednesday Night
Low: 69 °F
Smoke
Thursday
High: 90 °F
Smoke then
Isolated
T-storms
Thursday Night
Low: 68 °F
Slight Chance
T-storms then
Slight Chance
Showers
Friday
High: 90 °F
Chance
Showers then
Chance
T-storms
Friday Night
Low: 70 °F
Mostly Clear
Saturday
High: 90 °F
Sunny then
Slight Chance
T-storms

Detailed Forecast

Tonight

Clear, with a low around 70. West wind around 5 mph.

Wednesday

Mostly sunny and hot, with a high near 94. Heat index values as high as 102. Northwest wind around 5 mph.

Wednesday Night

Widespread smoke, mainly after 11pm. Mostly cloudy, with a low around 69. East wind around 5 mph becoming calm after midnight.

Thursday

Isolated showers and thunderstorms after 1pm. Widespread smoke, mainly before 8am. Mostly sunny and hot, with a high near 90. Calm wind becoming south around 5 mph. Chance of precipitation is 20%.

Thursday Night

A slight chance of showers and thunderstorms. Partly cloudy, with a low around 68. Southeast wind around 5 mph becoming calm after midnight. Chance of precipitation is 20%.

Friday

A chance of showers, with thunderstorms also possible after 1pm. Mostly sunny and hot, with a high near 90. Calm wind becoming southwest around 5 mph in the morning. Chance of precipitation is 50%.

Friday Night

Mostly clear, with a low around 70. Southwest wind around 5 mph.

Saturday

A 20 percent chance of showers and thunderstorms after 1pm. Sunny and hot, with a high near 90. West wind 5 to 10 mph.

Saturday Night

Mostly clear, with a low around 66.

Sunday

Mostly sunny, with a high near 87.

Sunday Night

A 20 percent chance of showers. Partly cloudy, with a low around 66.

Monday

A 20 percent chance of showers. Mostly sunny, with a high near 87.