Heat Persists in the Southwest; Elevated to Critical Fire Weather in the Great Basin; Poor Air Quality in the West

Dangerous heat will persist across the Southwest U.S. through this week, easing by next week. The heat will focus further east in the Great Plains and Mississippi Valley beginning next week. Elevated to locally critical fire weather conditions will persist for the Great Basin today. Poor air quality lingers for the Northwest, Great Basin, Central Rockies into the 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

82°F

28°C

Humidity	63%
Wind Speed	SW 9 mph
Barometer	29.97 in (1014.3 mb)
Dewpoint	68°F (20°C)
Visibility	10.00 mi
Heat Index	85°F (29°C)
Last update	4 Aug 1:53 pm CDT

More Information:

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

Extended Forecast for

Rio WI

This Afternoon
High: 83 °F
Slight Chance
T-storms
Tonight
Low: 61 °F
Showers
Likely and
Patchy Fog
Wednesday
High: 76 °F
Chance
Showers and
Patchy Fog
then Mostly
Cloudy
Wednesday Night
Low: 54 °F
Decreasing
Clouds
Thursday
High: 80 °F
Decreasing
Clouds
Thursday Night
Low: 57 °F
Mostly Clear
Friday
High: 81 °F
Sunny
Friday Night
Low: 62 °F
Slight Chance
Showers
Saturday
High: 81 °F
Mostly Sunny
then Slight
Chance
T-storms

Detailed Forecast

This Afternoon

A slight chance of showers and thunderstorms between 3pm and 4pm. Mostly cloudy, with a high near 83. West wind around 10 mph. Chance of precipitation is 20%.

Tonight

Showers and thunderstorms likely, mainly before 10pm, then showers likely and possibly a thunderstorm after 1am. Patchy fog after 4am. Otherwise, mostly cloudy, with a low around 61. West wind around 5 mph becoming calm in the evening. Chance of precipitation is 70%. New rainfall amounts between a quarter and half of an inch possible.

Wednesday

A chance of showers and thunderstorms before 10am, then a slight chance of showers between 10am and 11am. Patchy fog before 9am. Otherwise, mostly cloudy, with a high near 76. West wind around 5 mph becoming calm. Chance of precipitation is 40%.

Wednesday Night

Mostly cloudy, then gradually becoming mostly clear, with a low around 54. Calm wind.

Thursday

Mostly cloudy, then gradually becoming sunny, with a high near 80. Calm wind.

Thursday Night

Mostly clear, with a low around 57. Calm wind.

Friday

Sunny, with a high near 81. Light south wind increasing to 5 to 10 mph in the morning.

Friday Night

A 20 percent chance of showers. Mostly clear, with a low around 62. Southwest wind around 5 mph.

Saturday

A 20 percent chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 81.