National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

Air Quality Concerns; Fire Weather; Extreme Heat; Flash Flooding

Wildfire smoke continues to result in poor air quality from the Upper Midwest into the Northeast. Dangerous heat and fire weather concerns for portions of the Four Corners region into the central Great Basin. Heavy rainfall and flash flooding possible for the Southeast through Monday. For Hawaii, gusty trade winds a drier weather could result in any fires that start to spread rapidly. Read More >

Hazardous Weather Conditions

Current conditions at

Madison, Dane County Regional-Truax Field (KMSN)

Lat: 43.14°NLon: 89.35°WElev: 860ft.

Fog/Mist

58°F

14°C

Humidity 97%
Wind Speed Calm
Barometer 30.16 in (1021.0 mb)
Dewpoint 57°F (14°C)
Visibility 3.00 mi
Last update 4 Aug 1:53 am CDT
Extended Forecast for

Rio WI

  • Overnight

    Overnight: Areas of smoke. Partly cloudy, with a low around 57. Calm wind.

    Low: 57 °F

    Areas Smoke

  • Monday

    Monday: Areas of smoke. Mostly sunny, with a high near 81. Calm wind becoming east around 5 mph in the afternoon.

    High: 81 °F

    Areas Smoke

  • Monday Night

    Monday Night: Areas of smoke before 8pm. Partly cloudy, with a low around 60. East wind around 5 mph.

    Low: 60 °F

    Areas Smoke
    then Mostly
    Clear

  • Tuesday

    Tuesday: Sunny, with a high near 83. Calm wind becoming east around 5 mph in the morning.

    High: 83 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 60. East wind around 5 mph becoming calm in the evening.

    Low: 60 °F

    Mostly Clear

  • Wednesday

    Wednesday: Mostly sunny, with a high near 86. Calm wind becoming south around 5 mph in the morning.

    High: 86 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 65. South wind around 5 mph.

    Low: 65 °F

    Partly Cloudy

  • Thursday

    Thursday: Mostly sunny, with a high near 88. South wind 5 to 10 mph.

    High: 88 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 68.

    Low: 68 °F

    Mostly Clear

Detailed Forecast

Overnight
Areas of smoke. Partly cloudy, with a low around 57. Calm wind.
Monday
Areas of smoke. Mostly sunny, with a high near 81. Calm wind becoming east around 5 mph in the afternoon.
Monday Night
Areas of smoke before 8pm. Partly cloudy, with a low around 60. East wind around 5 mph.
Tuesday
Sunny, with a high near 83. Calm wind becoming east around 5 mph in the morning.
Tuesday Night
Mostly clear, with a low around 60. East wind around 5 mph becoming calm in the evening.
Wednesday
Mostly sunny, with a high near 86. Calm wind becoming south around 5 mph in the morning.
Wednesday Night
Partly cloudy, with a low around 65. South wind around 5 mph.
Thursday
Mostly sunny, with a high near 88. South wind 5 to 10 mph.
Thursday Night
Mostly clear, with a low around 68.
Friday
Mostly sunny and hot, with a high near 90.
Friday Night
A 20 percent chance of showers and thunderstorms. Partly cloudy, with a low around 70.
Saturday
Mostly sunny, with a high near 89.
Saturday Night
A 20 percent chance of showers and thunderstorms. Partly cloudy, with a low around 70.
Sunday
A 30 percent chance of showers and thunderstorms. Mostly sunny, with a high near 89.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Rio WI
 43.46°N 89.23°W (Elev. 951 ft)
Last Update:
1:24 am CDT Aug 4, 2025
Forecast Valid:
2am CDT Aug 4, 2025-6pm CDT Aug 10, 2025
 
Forecast Discussion
 
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Additional Resources

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