Dangerous Heat Wave from the Midwest to East Coast

A large ridge of high pressure extending from the Central to Eastern U.S. will deliver a dangerous summer heat wave through the weekend. Widespread excessive heat warnings and heat advisories already cover the Eastern two-thirds of the country. A number of record highs and overnight warm minimum temperatures are likely. Heat indices will surge past 100 degrees and approach the 110s. Heat Safety! Read More >

Hazardous Weather Conditions

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Current conditions at

Madison, Dane County Regional-Truax Field (KMSN)

Lat: 43.14°NLon: 89.35°WElev: 860ft.

Mostly Cloudy

79°F

26°C

Humidity	74%
Wind Speed	Calm
Barometer	29.78 in (1007.8 mb)
Dewpoint	70°F (21°C)
Visibility	10.00 mi
Heat Index	82°F (28°C)
Last update	19 Jul 8:53 am CDT

More Information:

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

Extended Forecast for

Madison, Dane County Regional-Truax Field WI

Excessive Heat Warning July 19, 10:00am until July 20, 07:00am

Click here for hazard details and duration

Excessive Heat Warning

Today

Hot
High: 94 °F
Tonight

Partly Cloudy
then Chance
T-storms
Low: 78 °F
Saturday

Chance
T-storms
High: 89 °F
Saturday
Night

T-storms
Likely
Low: 66 °F
Sunday

Chance
T-storms
High: 81 °F
Sunday
Night

Partly Cloudy
Low: 58 °F
Monday

Sunny
High: 77 °F
Monday
Night

Mostly Clear
Low: 56 °F
Tuesday

Sunny
High: 80 °F

Detailed Forecast

Today

Mostly sunny and hot, with a high near 94. Heat index values as high as 110. Southwest wind 5 to 10 mph.

Tonight

A 30 percent chance of showers and thunderstorms, mainly after 4am. Partly cloudy, with a low around 78. Southwest wind 5 to 10 mph.

Saturday

A 50 percent chance of showers and thunderstorms. Mostly sunny, with a high near 89. Heat index values as high as 98. Southwest wind 5 to 10 mph.

Saturday Night

Showers and thunderstorms likely. Mostly cloudy, with a low around 66. Northwest wind around 5 mph becoming calm in the evening. Chance of precipitation is 60%. New rainfall amounts between a half and three quarters of an inch possible.

Sunday

A 30 percent chance of showers and thunderstorms before 1pm. Partly sunny, with a high near 81. North wind around 5 mph.

Sunday Night

Partly cloudy, with a low around 58. North wind around 5 mph becoming calm in the evening.

Monday

Sunny, with a high near 77. Calm wind becoming northeast around 5 mph in the morning.

Monday Night

Mostly clear, with a low around 56. North wind around 5 mph becoming calm in the evening.

Tuesday

Sunny, with a high near 80.

Tuesday Night

Mostly clear, with a low around 60.