Excessive Rainfall Potential for the Southeast; Heat Expands for Center of the Nation; Critical Fire Weather for Pacific Northwest

Flash flooding threatens areas from the Tennessee Valley to the Carolinas as storms repeat along a stalled front. Monsoonal storms may trigger flooding in the Southwest. Dangerous heat expands across the Desert Southwest, Plains, mid-Mississippi Valley and Southern Tier. Critical fire weather for interior Pacific Northwest. Cooler, drier air brings brief relief to the Great Lakes and Northeast. Read More >

Hazardous Weather Conditions

Current conditions at

Madison, Dane County Regional-Truax Field (KMSN)

Lat: 43.14°NLon: 89.35°WElev: 860ft.

Overcast

76°F

24°C

Humidity	88%
Wind Speed	SW 3 mph
Barometer	29.90 in (1011.9 mb)
Dewpoint	72°F (22°C)
Visibility	10.00 mi
Heat Index	76°F (24°C)
Last update	26 Jul 4:53 am CDT

More Information:

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

Extended Forecast for

6 Miles NNE Sun Prairie WI

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

Click here for hazard details and duration

Heat Advisory

Today
High: 91 °F
Patchy Fog
then Mostly
Sunny
Tonight
Low: 70 °F
Slight Chance
T-storms then
Showers
Likely
Monday
High: 91 °F
Chance
T-storms then
Mostly Sunny
Monday Night
Low: 67 °F
Partly Cloudy
Tuesday
High: 84 °F
Sunny
Tuesday Night
Low: 60 °F
Mostly Clear
Wednesday
High: 85 °F
Sunny
Wednesday Night
Low: 60 °F
Mostly Clear
Thursday
High: 86 °F
Sunny then
Slight Chance
Showers

Detailed Forecast

Today

Patchy fog before 8am. Otherwise, partly sunny and hot, with a high near 91. Heat index values as high as 101. Light southwest wind increasing to 5 to 10 mph in the morning.

Tonight

Showers and thunderstorms likely, mainly before 3am. Partly cloudy, with a low around 70. Southwest wind around 5 mph. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

Monday

A 50 percent chance of showers and thunderstorms before 10am. Mostly cloudy, then gradually becoming sunny and hot, with a high near 91. Heat index values as high as 99. Northwest wind 5 to 10 mph becoming south in the morning.

Monday Night

Partly cloudy, with a low around 67. North wind 5 to 10 mph.

Tuesday

Sunny, with a high near 84. North wind 5 to 10 mph.

Tuesday Night

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

Wednesday

Sunny, with a high near 85. Calm wind becoming east around 5 mph.

Wednesday Night

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

Thursday

A 20 percent chance of showers after 1pm. Mostly sunny, with a high near 86.