Dangerous Heat Builds and Expands; Critical Fire Weather for the Southwest; Severe Thunderstorms for Plains and Midwest

Dangerous to record breaking heat will build across the center of the nation and slowly build eastward this week. Wildfire conditions remain critical for the Southwest and portions of the Great Basin through Monday. For the northern Plains and upper Midwest, severe thunderstorms with the potential for large to very large hail and severe winds are the primary hazards. 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

76°F

24°C

Humidity	91%
Wind Speed	S 12 mph
Barometer	29.86 in (1010.5 mb)
Dewpoint	73°F (23°C)
Visibility	7.00 mi
Heat Index	76°F (24°C)
Last update	29 Jun 5:53 am CDT

More Information:

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

Extended Forecast for

3 Miles SSW Madison WI

Extreme Heat Warning June 29, 12:00pm until June 30, 07:00pm

Click here for hazard details and duration

Extreme Heat Warning

Today
High: 94 °F
Hot
Tonight
Low: 76 °F
Mostly Clear
then Slight
Chance
Showers
Tuesday
High: 94 °F
Hot
Tuesday Night
Low: 76 °F
Slight Chance
T-storms then
Slight Chance
Showers
Wednesday
High: 92 °F
Hot
Wednesday Night
Low: 76 °F
Mostly Clear
then Slight
Chance
Showers
Thursday
High: 92 °F
Mostly Sunny
then Slight
Chance
T-storms
Thursday Night
Low: 73 °F
Chance
T-storms then
Showers
Likely
Friday
High: 89 °F
Chance
Showers then
Chance
T-storms

Detailed Forecast

Today

Mostly cloudy, then gradually becoming sunny and hot, with a high near 94. Heat index values as high as 103. South wind 5 to 15 mph, with gusts as high as 30 mph.

Tonight

A slight chance of showers between 3am and 4am. Mostly clear, with a low around 76. South wind 10 to 15 mph, with gusts as high as 25 mph. Chance of precipitation is 20%.

Tuesday

Mostly sunny and hot, with a high near 94. Heat index values as high as 105. Southwest wind 10 to 15 mph.

Tuesday Night

A slight chance of showers and thunderstorms before 10pm, then a slight chance of showers between 10pm and 1am. Mostly clear, with a low around 76. Southwest wind around 10 mph. Chance of precipitation is 20%.

Wednesday

Sunny and hot, with a high near 92. Southwest wind 5 to 10 mph.

Wednesday Night

A 20 percent chance of showers after 1am. Mostly clear, with a low around 76. Southwest wind around 10 mph.

Thursday

A 20 percent chance of showers and thunderstorms after 1pm. Mostly sunny and hot, with a high near 92. Southwest wind around 10 mph.

Thursday Night

A chance of showers and thunderstorms, then showers likely after 1am. Partly cloudy, with a low around 73. South wind around 5 mph. Chance of precipitation is 60%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

Friday

A 40 percent chance of showers and thunderstorms. Mostly sunny, with a high near 89.

Friday Night

A 40 percent chance of showers and thunderstorms. Partly cloudy, with a low around 71.

Independence Day

A 20 percent chance of showers and thunderstorms. Mostly sunny, with a high near 88.

Saturday Night

A 50 percent chance of showers and thunderstorms. Partly cloudy, with a low around 69.

Sunday

A 30 percent chance of showers and thunderstorms. Partly sunny, with a high near 85.