Heat Wave and Severe Thunderstorms this Independence Day

A prolonged, dangerous heat wave will persist through the Independence Day weekend across the Ohio Valley, Midwest, and Mid-Atlantic. Numerous temperature records are expected. Clusters of severe thunderstorms will move across parts of the Allegheny Plateau into Mid Atlantic this Independence Day, with potential for widespread damaging winds. Additional severe thunderstorms in the Great 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.

Mostly Cloudy

75°F

24°C

Humidity	84%
Wind Speed	E 8 mph
Barometer	29.96 in (1014.0 mb)
Dewpoint	70°F (21°C)
Visibility	10.00 mi
Last update	4 Jul 6:53 pm CDT

More Information:

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

Extended Forecast for

Rio WI

Tonight
Low: 62 °F
Chance
Showers and
Patchy Fog
then Patchy
Fog
Sunday
High: 80 °F
Slight Chance
Showers
Sunday Night
Low: 58 °F
Mostly Clear
Monday
High: 82 °F
Sunny
Monday Night
Low: 58 °F
Mostly Clear
Tuesday
High: 85 °F
Sunny
Tuesday Night
Low: 63 °F
Partly Cloudy
Wednesday
High: 85 °F
Mostly Sunny
then Chance
Showers
Wednesday Night
Low: 65 °F
Showers
Likely

Detailed Forecast

Tonight

A chance of showers and thunderstorms before 10pm, then a slight chance of showers between 10pm and midnight. Patchy fog between 9pm and 4am. Otherwise, mostly cloudy, with a low around 62. East wind around 5 mph. Chance of precipitation is 30%.

Sunday

A slight chance of showers between 11am and 4pm. Partly sunny, with a high near 80. Northeast wind 5 to 10 mph. Chance of precipitation is 20%.

Sunday Night

Mostly clear, with a low around 58. Northeast wind around 5 mph becoming calm in the evening.

Monday

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

Monday Night

Mostly clear, with a low around 58. East wind around 5 mph becoming calm.

Tuesday

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

Tuesday Night

Partly cloudy, with a low around 63. South wind around 5 mph becoming calm.

Wednesday

A 30 percent chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 85. Southwest wind 5 to 10 mph.

Wednesday Night

Showers likely and possibly a thunderstorm. Mostly cloudy, with a low around 65. Chance of precipitation is 70%.

Thursday

A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 1pm. Mostly cloudy, with a high near 82. Chance of precipitation is 60%.

Thursday Night

A 30 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 61.

Friday

Mostly sunny, with a high near 81.

Friday Night

Partly cloudy, with a low around 59.

Saturday

Mostly sunny, with a high near 83.