Severe Weather and Heavy Rainfall from the Midwest to the Ohio Valley; Mid-Summer Heat Continues

Severe thunderstorm and heavy rainfall threats will persist from the Midwest to Lower Great Lakes through Monday, shifting into the Ohio Valley and Central Appalachians Monday evening into Tuesday. Mid-summer heat will continue across much of the CONUS this week, with record highs possible well into the 100s across the south-central High Plains. 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

67°F

19°C

Humidity	100%
Wind Speed	Calm
Barometer	29.89 in (1011.8 mb)
Dewpoint	67°F (19°C)
Visibility	10.00 mi
Last update	9 Aug 11:53 pm CDT

More Information:

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

Extended Forecast for

Monona WI

Overnight
Low: 65 °F
Patchy Fog
Monday
High: 84 °F
Patchy Fog
then Partly
Sunny
Monday Night
Low: 65 °F
Partly Cloudy
then Slight
Chance
T-storms and
Patchy Fog
Tuesday
High: 82 °F
Showers and
Patchy Fog
then Chance
T-storms
Tuesday Night
Low: 66 °F
Chance
Showers
Wednesday
High: 84 °F
Chance
Showers
Wednesday Night
Low: 62 °F
Partly Cloudy
Thursday
High: 77 °F
Partly Sunny
Thursday Night
Low: 58 °F
Mostly Cloudy
then Slight
Chance
Showers

Detailed Forecast

Overnight

Patchy fog after 1am. Otherwise, mostly cloudy, with a low around 65. Calm wind.

Monday

Patchy fog before 9am. Otherwise, partly sunny, with a high near 84. Calm wind.

Monday Night

A 20 percent chance of showers and thunderstorms after 4am. Patchy fog after 5am. Otherwise, partly cloudy, with a low around 65. Calm wind becoming east around 5 mph.

Tuesday

Showers and thunderstorms before 11am, then showers likely and possibly a thunderstorm between 11am and noon, then a chance of showers and thunderstorms after noon. Patchy fog before 8am. High near 82. East wind around 5 mph. Chance of precipitation is 80%. New rainfall amounts between a quarter and half of an inch possible.

Tuesday Night

A chance of showers and thunderstorms. Mostly cloudy, with a low around 66. Southeast wind around 5 mph becoming calm. Chance of precipitation is 40%.

Wednesday

A chance of showers and thunderstorms before 4pm, then a slight chance of showers. Partly sunny, with a high near 84. Calm wind becoming north around 5 mph. Chance of precipitation is 30%.

Wednesday Night

Partly cloudy, with a low around 62. Northwest wind around 5 mph becoming calm.

Thursday

Partly sunny, with a high near 77. Calm wind becoming northeast around 5 mph.

Thursday Night

A 20 percent chance of showers after 1am. Mostly cloudy, with a low around 58.

Friday

A 20 percent chance of showers before 1pm. Mostly sunny, with a high near 74.

Friday Night

A 30 percent chance of showers and thunderstorms. Partly cloudy, with a low around 58.

Saturday

A 30 percent chance of showers and thunderstorms. Partly sunny, with a high near 75.