Excessive Rainfall Potential for the Southeast; Heat Expands for Center of the Nation; Critical Fire Weather for Pacific Northwest

Flash flooding threatens areas from the Tennessee Valley to the Carolinas as storms repeat along a stalled front. Monsoonal storms may trigger flooding in the Southwest. Dangerous heat expands across the Desert Southwest, Plains, mid-Mississippi Valley and Southern Tier. Critical fire weather for interior Pacific Northwest. Cooler, drier air brings brief relief to the Great Lakes and Northeast. Read More >

Hazardous Weather Conditions

Current conditions at

Janesville-Rock County (KJVL)

Lat: 42.62°NLon: 89.04°WElev: 801ft.

N/A

Humidity	NA
Wind Speed	NA
Barometer	NA
Dewpoint	N/A
Visibility	NA
Last update	* Not a current observation *

More Information:

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

Extended Forecast for

2 Miles W Avalon WI

Heat Advisory July 26, 12:00pm until July 26, 09:00pm

Click here for hazard details and duration

Heat Advisory

Today
High: 91 °F
Patchy Fog
then Mostly
Sunny
Tonight
Low: 71 °F
Chance
T-storms
Monday
High: 91 °F
Showers
Likely then
Mostly Sunny
Monday Night
Low: 67 °F
Partly Cloudy
Tuesday
High: 83 °F
Mostly Sunny
Tuesday Night
Low: 59 °F
Mostly Clear
Wednesday
High: 84 °F
Sunny
Wednesday Night
Low: 59 °F
Mostly Clear
Thursday
High: 85 °F
Mostly Sunny

Detailed Forecast

Today

Patchy fog before 8am. Otherwise, cloudy, then gradually becoming mostly sunny and hot, with a high near 91. Heat index values as high as 101. Light southwest wind increasing to 5 to 10 mph in the morning.

Tonight

A chance of showers and thunderstorms before 4am, then a slight chance of showers and thunderstorms after 5am. Partly cloudy, with a low around 71. Southwest wind around 5 mph becoming northwest after midnight. Chance of precipitation is 30%.

Monday

Showers and thunderstorms likely, mainly before 10am. Mostly sunny and hot, with a high near 91. Heat index values as high as 102. Southwest wind 5 to 15 mph becoming north in the morning. Chance of precipitation is 60%. New precipitation amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

Monday Night

Partly cloudy, with a low around 67. West wind 5 to 10 mph becoming north after midnight.

Tuesday

Mostly sunny, with a high near 83. North wind around 10 mph.

Tuesday Night

Mostly clear, with a low around 59. Northeast wind 5 to 10 mph becoming light in the evening.

Wednesday

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

Wednesday Night

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

Thursday

Mostly sunny, with a high near 85.