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.

Mostly Cloudy

81°F

27°C

Humidity	94%
Wind Speed	S 8 mph
Barometer	29.91 in
Dewpoint	79°F (26°C)
Visibility	8.00 mi
Heat Index	89°F (32°C)
Last update	26 Jul 10:45 am CDT

More Information:

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

Extended Forecast for

Clinton WI

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

Click here for hazard details and duration

Heat Advisory

Today
High: 90 °F
Hot
Tonight
Low: 71 °F
Chance
T-storms
Monday
High: 90 °F
Showers
Likely then
Slight Chance
T-storms
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

Partly sunny and hot, with a high near 90. Heat index values as high as 101. Southwest wind 5 to 10 mph.

Tonight

A 30 percent chance of showers and thunderstorms, mainly before 4am. Partly cloudy, with a low around 71. South wind around 5 mph.

Monday

Showers and thunderstorms likely before 11am, then a slight chance of showers and thunderstorms after 4pm. Mostly sunny and hot, with a high near 90. Heat index values as high as 102. South wind 5 to 15 mph becoming north in the morning. Chance of precipitation is 60%. New rainfall amounts between a quarter and half of an inch possible.

Monday Night

Partly cloudy, with a low around 67. West wind around 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.

Thursday

Mostly sunny, with a high near 85.