Extreme Heat in the Southwest; Severe Weather in the Northern Plains; Heavy Rain in the East

Extreme heat continues across the Southwest as temperatures may top 120 degrees. The heat may expand across the West and south-central U.S. into the middle of the month. Severe thunderstorms capable of severe wind gusts and large hail will be the primary hazards today across the northern Plains into the upper Midwest. Rainfall could be locally heavy across the Eastern U.S. today. Read More >

Hazardous Weather Conditions

Hazardous Weather Outlook

Current conditions at

Madison, Dane County Regional-Truax Field (KMSN)

Lat: 43.14°NLon: 89.35°WElev: 860ft.

Fair

69°F

21°C

Humidity	76%
Wind Speed	S 7 mph
Barometer	29.98 in (1014.7 mb)
Dewpoint	61°F (16°C)
Visibility	10.00 mi
Last update	4 Aug 12:53 am CDT

More Information:

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

Extended Forecast for

3 Miles S Waterloo WI

Overnight
Low: 62 °F
Mostly Clear
Tuesday
High: 83 °F
Mostly Sunny
then Chance
Showers
Tuesday Night
Low: 62 °F
Showers
Wednesday
High: 75 °F
Showers
Likely
Wednesday Night
Low: 57 °F
Chance
Showers
Thursday
High: 79 °F
Mostly Sunny
Thursday Night
Low: 58 °F
Mostly Clear
Friday
High: 82 °F
Sunny
Friday Night
Low: 61 °F
Mostly Clear

Detailed Forecast

Overnight

Mostly clear, with a low around 62. South wind around 5 mph.

Tuesday

A slight chance of showers, then a chance of showers and thunderstorms after 4pm. Mostly sunny, with a high near 83. Southwest wind 5 to 10 mph. Chance of precipitation is 30%.

Tuesday Night

Showers and thunderstorms before 9pm, then showers and possibly a thunderstorm, mainly after 9pm. Low around 62. Southwest wind around 5 mph becoming northwest after midnight. Chance of precipitation is 80%. New rainfall amounts between a quarter and half of an inch possible.

Wednesday

Showers and thunderstorms likely, mainly before 3pm. Mostly cloudy, with a high near 75. West 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.

Wednesday Night

A slight chance of showers and thunderstorms, then a chance of showers after 7pm. Mostly cloudy, with a low around 57. Calm wind. Chance of precipitation is 40%.

Thursday

Mostly sunny, with a high near 79. Calm wind.

Thursday Night

Mostly clear, with a low around 58. Calm wind.

Friday

Sunny, with a high near 82. Calm wind becoming southwest around 5 mph in the morning.

Friday Night

Mostly clear, with a low around 61.

Saturday

Sunny, with a high near 84.

Saturday Night

A 30 percent chance of showers and thunderstorms. Mostly clear, with a low around 65.