Dangerous Heat and Heavy Rainfall into the Weekend

Hot temperatures and high humidity are forecast to continue across the mid-Mississippi Valley into this weekend. Heat Advisories remain in effect. Heavy to excessive rainfall occurring at times through the weekend could bring areas of flooding to parts of the northern Rockies, upper Midwest, central Great Lakes, and southern New England. Read More >

Hazardous Weather Conditions

Current conditions at

Madison, Dane County Regional-Truax Field (KMSN)

Lat: 43.14°NLon: 89.35°WElev: 860ft.

Overcast

62°F

17°C

Humidity	86%
Wind Speed	E 9 mph
Barometer	30.32 in (1026.7 mb)
Dewpoint	58°F (14°C)
Visibility	10.00 mi
Last update	18 Sep 9:53 am CDT

More Information:

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

Extended Forecast for

Monona WI

Flood Watch September 19, 01:00am until September 19, 01:00pm

Click here for hazard details and duration

Flood Watch

Today
High: 70 °F
Scattered
Showers
Tonight
Low: 59 °F
Showers
Likely then
Heavy Rain
Saturday
High: 70 °F
Showers then
Chance
T-storms
Saturday Night
Low: 56 °F
Showers
Likely
Sunday
High: 66 °F
Chance
Showers
Sunday Night
Low: 50 °F
Mostly Cloudy
then Chance
Showers
Monday
High: 61 °F
Chance
Showers
Monday Night
Low: 48 °F
Slight Chance
Showers
Tuesday
High: 61 °F
Partly Sunny

Detailed Forecast

Today

Scattered showers, mainly after 1pm. Mostly cloudy, with a high near 70. East wind 10 to 15 mph. Chance of precipitation is 40%.

Tonight

Showers likely, then showers and possibly a thunderstorm after 10pm. Some of the storms could produce heavy rainfall. Low around 59. East wind 10 to 15 mph. Chance of precipitation is 100%. New rainfall amounts between 1 and 2 inches possible.

Saturday

Showers and possibly a thunderstorm, mainly before 11am, then a chance of showers and thunderstorms after 11am. High near 70. Southeast wind around 10 mph. Chance of precipitation is 90%. New rainfall amounts between three quarters and one inch possible.

Saturday Night

A chance of showers and thunderstorms, then showers likely after 7pm. Mostly cloudy, with a low around 56. Northeast wind 5 to 10 mph. Chance of precipitation is 70%. New precipitation amounts between a half and three quarters of an inch possible.

Sunday

A 50 percent chance of showers. Mostly cloudy, with a high near 66. Northeast wind 10 to 15 mph.

Sunday Night

A 40 percent chance of showers after 1am. Mostly cloudy, with a low around 50. Northeast wind 10 to 15 mph.

Monday

A 40 percent chance of showers. Cloudy, with a high near 61. Northeast wind around 15 mph.

Monday Night

A 20 percent chance of showers. Mostly cloudy, with a low around 48. Northeast wind 10 to 15 mph.

Tuesday

Partly sunny, with a high near 61.

Tuesday Night

Partly cloudy, with a low around 47.