Dangerous Heat in the Central and Eastern U.S.; Severe Thunderstorms in the Central U.S. and Northeast; Critical Fire Weather in the Four Corners

Dangerous, record-breaking heat will intensify across most of the central and eastern U.S this week. Heat indices will likely exceed 100 degrees. Severe thunderstorms are forecast from parts of the central High Plains into the Upper Midwest, and across parts of the Northeast. Critical fire weather conditions will continue across portions of the Four Corners and Great Basin. Read More >

Hazardous Weather Conditions

Current conditions at

Madison, Dane County Regional-Truax Field (KMSN)

Lat: 43.14°NLon: 89.35°WElev: 860ft.

Mostly Cloudy

85°F

29°C

Humidity	72%
Wind Speed	SW 6 mph
Barometer	29.89 in (1011.3 mb)
Dewpoint	75°F (24°C)
Visibility	10.00 mi
Heat Index	93°F (34°C)
Last update	30 Jun 10:53 am CDT

More Information:

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

Extended Forecast for

Lake Mills WI

Extreme Heat Warning June 30, 11:39am until July 1, 07:00pm

Click here for hazard details and duration

Extreme Heat Warning

Extreme Heat Warning June 30, 11:39am until July 1, 07:00pm
NOW until 7:00pm Wed
Extreme Heat Warning
Today
High: 93 °F
Hot
Tonight
Low: 75 °F
Partly Cloudy
then Slight
Chance
T-storms
Wednesday
High: 93 °F
Slight Chance
T-storms then
Sunny
Wednesday Night
Low: 74 °F
Slight Chance
T-storms then
Chance
Showers
Thursday
High: 91 °F
Mostly Sunny
then Chance
T-storms
Thursday Night
Low: 71 °F
Chance
T-storms then
Showers
Likely
Friday
High: 88 °F
Showers
Likely
Friday Night
Low: 68 °F
Showers
Likely

Detailed Forecast

Today

Mostly sunny and hot, with a high near 93. Heat index values as high as 103. Southwest wind around 15 mph, with gusts as high as 25 mph.

Tonight

A 20 percent chance of showers and thunderstorms after 4am. Partly cloudy, with a low around 75. Southwest wind 10 to 15 mph.

Wednesday

A 10 percent chance of showers and thunderstorms before 7am. Sunny and hot, with a high near 93. Heat index values as high as 102. Southwest wind 10 to 15 mph.

Wednesday Night

A 40 percent chance of showers and thunderstorms, mainly after 1am. Partly cloudy, with a low around 74. Southwest wind around 10 mph.

Thursday

A 40 percent chance of showers and thunderstorms after 1pm. Mostly sunny and hot, with a high near 91. Southwest wind around 10 mph.

Thursday Night

A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 1am. Mostly cloudy, with a low around 71. Southwest wind around 5 mph. Chance of precipitation is 70%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

Friday

Showers likely and possibly a thunderstorm. Partly sunny, with a high near 88. Southwest wind 5 to 10 mph. Chance of precipitation is 70%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

Friday Night

Showers likely and possibly a thunderstorm before 1am, then a chance of showers and thunderstorms after 1am. Partly cloudy, with a low around 68. Southwest wind around 5 mph becoming calm in the evening. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

Independence Day

A 50 percent chance of showers and thunderstorms. Partly sunny, with a high near 87.

Saturday Night

A 50 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 65.

Sunday

A 30 percent chance of showers and thunderstorms. Partly sunny, with a high near 86.

Sunday Night

A 30 percent chance of showers and thunderstorms. Partly cloudy, with a low around 63.

Monday

A 20 percent chance of showers. Mostly sunny, with a high near 85.