Heat Across the Center of the Nation; Severe Thunderstorms Across the Great Lakes and Ohio Valley

Heat expands across the Desert Southwest, Plains, Mississippi Valley and Midwest into Monday. Fire weather concerns continue for portions of the Intermountain West. Active monsoonal moisture fuels thunderstorms over the Southwest with possible flash flooding. Tropical cyclone Fausto in the Pacific, should weaken as it approaches Hawaii; Dangerous surf, swells and rip currents are expected. Read More >

Hazardous Weather Conditions

Current conditions at

Janesville-Rock County (KJVL)

Lat: 42.62°NLon: 89.04°WElev: 801ft.

Mostly Cloudy

86°F

30°C

Humidity	79%
Wind Speed	W 9 mph
Barometer	29.90 in
Dewpoint	79°F (26°C)
Visibility	10.00 mi
Heat Index	99°F (37°C)
Last update	26 Jul 1:45 pm CDT

More Information:

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

Extended Forecast for

3 Miles E Edgerton WI

Heat Advisory July 26, 02:47pm until July 26, 09:00pm

Click here for hazard details and duration

Heat Advisory

Heat Advisory July 26, 02:47pm until July 26, 09:00pm
NOW until 9:00pm Sun
Heat Advisory
This Afternoon
High: 91 °F
Hot
Tonight
Low: 73 °F
Slight Chance
T-storms then
Chance
T-storms
Monday
High: 89 °F
Showers
Likely then
Slight Chance
T-storms
Monday Night
Low: 65 °F
Slight Chance
T-storms then
Partly Cloudy
Tuesday
High: 82 °F
Mostly Sunny
Tuesday Night
Low: 59 °F
Mostly Clear
Wednesday
High: 84 °F
Sunny
Wednesday Night
Low: 62 °F
Mostly Clear

Detailed Forecast

This Afternoon

Partly sunny and hot, with a high near 91. Heat index values as high as 102. Southwest wind around 5 mph.

Tonight

A slight chance of showers and thunderstorms before midnight, then a chance of showers and thunderstorms after 1am. Mostly cloudy, with a low around 73. Southwest wind around 5 mph becoming east after midnight. Chance of precipitation is 50%.

Monday

Showers and thunderstorms likely, mainly before 11am. Mostly cloudy, then gradually becoming sunny, with a high near 89. Heat index values as high as 100. Southeast wind 10 to 15 mph becoming west in the afternoon. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

Monday Night

A 20 percent chance of showers and thunderstorms before midnight. Partly cloudy, with a low around 65. West wind around 10 mph becoming north in the evening.

Tuesday

Mostly sunny, with a high near 82. North wind around 10 mph.

Tuesday Night

Mostly clear, with a low around 59. Northeast wind around 5 mph becoming calm in the evening.

Wednesday

Sunny, with a high near 84. Calm wind becoming northeast around 5 mph in the afternoon.

Wednesday Night

Mostly clear, with a low around 62. Calm wind.

Thursday

Sunny, with a high near 86.

Thursday Night

A 20 percent chance of showers after 1am. Mostly cloudy, with a low around 65.