Heat Expands for Center of the Nation; Severe Thunderstorms for Plains and Upper Midwest

Dangerous heat expands across the Desert Southwest, Plains, Mississippi Valley and Midwest. Critical fire weather for portions of the Intermountain West. Risk for severe thunderstorms and flash flooding across the Upper Midwest/Great Lakes, Ohio Valley, and portions of the mid-Atlantic. Active monsoonal moisture fuels thunderstorms over the Southwest. Hurricane Fausto in the Pacific, should weaken Read More >

Hazardous Weather Conditions

Current conditions at

Janesville-Rock County (KJVL)

Lat: 42.62°NLon: 89.04°WElev: 801ft.

Fog/Mist

72°F

22°C

Humidity	94%
Wind Speed	NA
Barometer	29.92 in
Dewpoint	70°F (21°C)
Visibility	4.00 mi
Last update	26 Jul 5:45 am CDT

More Information:

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

Extended Forecast for

Fort Atkinson WI

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

Click here for hazard details and duration

Heat Advisory

Today
High: 92 °F
Patchy Fog
then Mostly
Sunny
Tonight
Low: 70 °F
Slight Chance
T-storms then
Chance
T-storms
Monday
High: 92 °F
Chance
T-storms then
Mostly Sunny
Monday Night
Low: 67 °F
Chance
T-storms then
Partly Cloudy
Tuesday
High: 84 °F
Mostly Sunny
Tuesday Night
Low: 59 °F
Mostly Clear
Wednesday
High: 85 °F
Sunny
Wednesday Night
Low: 60 °F
Mostly Clear
Thursday
High: 87 °F
Mostly Sunny

Detailed Forecast

Today

Patchy fog before 8am. Otherwise, cloudy, then gradually becoming mostly sunny and hot, with a high near 92. Heat index values as high as 102. Light southwest wind increasing to 5 to 10 mph in the morning.

Tonight

A 50 percent chance of showers and thunderstorms, mainly between 1am and 4am. Increasing clouds, with a low around 70. Southwest wind around 5 mph.

Monday

A 50 percent chance of showers and thunderstorms before 10am. Mostly cloudy, then gradually becoming sunny and hot, with a high near 92. Heat index values as high as 102. Northwest wind 5 to 10 mph becoming south in the morning.

Monday Night

A 30 percent chance of showers and thunderstorms before 7pm. Partly cloudy, with a low around 67. North wind 5 to 10 mph.

Tuesday

Mostly sunny, with a high near 84. 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 85. Calm wind becoming northeast around 5 mph in the morning.

Wednesday Night

Mostly clear, with a low around 60. Northeast wind around 5 mph becoming calm.

Thursday

Mostly sunny, with a high near 87.