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

Hazardous Weather Conditions

Current conditions at

Madison, Dane County Regional-Truax Field (KMSN)

Lat: 43.14°NLon: 89.35°WElev: 860ft.

Light Freezing Drizzle

20°F

-7°C

Humidity 89%
Wind Speed Vrbl 3 mph
Barometer 30.02 in (1018.1 mb)
Dewpoint 17°F (-8°C)
Visibility 5.00 mi
Last update 1 Feb 10:53 pm CST
Extended Forecast for

Rio WI

  • Tonight

    Tonight: A chance of snow and freezing rain, mainly before 2am. Mostly cloudy, with a low around 15. Southwest wind 5 to 10 mph becoming west after midnight. Chance of precipitation is 50%.

    Low: 15 °F

    Chance Wintry
    Mix

  • Monday

    Monday: Mostly sunny, with a high near 25. Northwest wind 5 to 10 mph.

    High: 25 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 7. Northwest wind around 5 mph.

    Low: 7 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Sunny, with a high near 21. North wind around 5 mph.

    High: 21 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 3. Calm wind.

    Low: 3 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Sunny, with a high near 23. Calm wind becoming west around 5 mph.

    High: 23 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Mostly cloudy, with a low around 11. West wind around 5 mph.

    Low: 11 °F

    Mostly Cloudy

  • Thursday

    Thursday: A 20 percent chance of snow after noon. Partly sunny, with a high near 34. Southwest wind 5 to 10 mph.

    High: 34 °F

    Mostly Cloudy
    then Slight
    Chance Snow

  • Thursday Night

    Thursday Night: A 30 percent chance of snow. Mostly cloudy, with a low around 23.

    Low: 23 °F

    Chance Snow

Detailed Forecast

Tonight
A chance of snow and freezing rain, mainly before 2am. Mostly cloudy, with a low around 15. Southwest wind 5 to 10 mph becoming west after midnight. Chance of precipitation is 50%.
Monday
Mostly sunny, with a high near 25. Northwest wind 5 to 10 mph.
Monday Night
Partly cloudy, with a low around 7. Northwest wind around 5 mph.
Tuesday
Sunny, with a high near 21. North wind around 5 mph.
Tuesday Night
Partly cloudy, with a low around 3. Calm wind.
Wednesday
Sunny, with a high near 23. Calm wind becoming west around 5 mph.
Wednesday Night
Mostly cloudy, with a low around 11. West wind around 5 mph.
Thursday
A 20 percent chance of snow after noon. Partly sunny, with a high near 34. Southwest wind 5 to 10 mph.
Thursday Night
A 30 percent chance of snow. Mostly cloudy, with a low around 23.
Friday
Partly sunny, with a high near 31.
Friday Night
Partly cloudy, with a low around 6.
Saturday
Mostly sunny, with a high near 21.
Saturday Night
Mostly cloudy, with a low around 13.
Sunday
Mostly sunny, with a high near 28.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Rio WI
 43.46°N 89.26°W (Elev. 919 ft)
Last Update:
10:12 pm CST Feb 1, 2026
Forecast Valid:
11pm CST Feb 1, 2026-6pm CST Feb 8, 2026
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation