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 Snow

16°F

-9°C

Humidity 80%
Wind Speed W 16 G 29 mph
Barometer 29.59 in (1003.3 mb)
Dewpoint 11°F (-12°C)
Visibility 3.00 mi
Wind Chill1°F (-17°C)
Last update 29 Dec 1:53 am CST
Extended Forecast for

Rio WISimilar City Names

Winter Weather Advisory December 29, 02:24am until December 29, 12:00pm
Wind Advisory December 29, 02:24am until December 29, 12:00pm
Click here for hazard details and duration
Winter Weather Advisory
Wind Advisory
  •  
    Winter Weather Advisory December 29, 02:24am until December 29, 12:00pm
    Wind Advisory December 29, 02:24am until December 29, 12:00pm

    NOW: Multiple hazards in effect

    Click HERE for Details

  • Overnight

    Low: 15 °F

    Heavy Snow
    and Blowing
    Snow

  • Monday

    Monday: A 50 percent chance of snow, mainly before 7am. Widespread blowing snow, mainly before 7am. Mostly cloudy, with a high near 18. Wind chill values between -5 and zero. Windy, with a northwest wind 25 to 30 mph decreasing to 15 to 20 mph in the afternoon. Winds could gust as high as 40 mph.

    High: 18 °F

    Chance Snow
    and Blowing
    Snow

  • Monday Night

    Monday Night: Partly cloudy, with a low around 6. Wind chill values between -5 and -10. Northwest wind 10 to 15 mph, with gusts as high as 30 mph.

    Low: 6 °F

    Partly Cloudy

  • Tuesday

    Tuesday: A 30 percent chance of snow after noon. Mostly cloudy, with a high near 27. Wind chill values between -5 and 5. West wind around 10 mph.

    High: 27 °F

    Partly Sunny
    then Chance
    Snow

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 17. Northwest wind 10 to 15 mph.

    Low: 17 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: A 30 percent chance of snow after noon. Mostly cloudy, with a temperature falling to around 16 by 5pm. Northwest wind 10 to 15 mph.

    High: 24 °F⇓

    Mostly Cloudy
    then Chance
    Snow

  • Wednesday Night

    Wednesday Night: A 20 percent chance of snow before midnight. Partly cloudy, with a low around 3. Northwest wind around 10 mph.

    Low: 3 °F

    Slight Chance
    Snow then
    Partly Cloudy

  • New Year's Day

    New Year's Day: Sunny, with a high near 13. West wind around 10 mph.

    High: 13 °F

    Sunny

Detailed Forecast

Overnight
Snow. The snow could be heavy at times. Widespread blowing snow, mainly after 3am. Low around 15. Wind chill values between zero and 5. Windy, with a northwest wind 25 to 30 mph, with gusts as high as 45 mph. Chance of precipitation is 100%. Total nighttime snow accumulation of 2 to 4 inches possible.
Monday
A 50 percent chance of snow, mainly before 7am. Widespread blowing snow, mainly before 7am. Mostly cloudy, with a high near 18. Wind chill values between -5 and zero. Windy, with a northwest wind 25 to 30 mph decreasing to 15 to 20 mph in the afternoon. Winds could gust as high as 40 mph.
Monday Night
Partly cloudy, with a low around 6. Wind chill values between -5 and -10. Northwest wind 10 to 15 mph, with gusts as high as 30 mph.
Tuesday
A 30 percent chance of snow after noon. Mostly cloudy, with a high near 27. Wind chill values between -5 and 5. West wind around 10 mph.
Tuesday Night
Mostly cloudy, with a low around 17. Northwest wind 10 to 15 mph.
Wednesday
A 30 percent chance of snow after noon. Mostly cloudy, with a temperature falling to around 16 by 5pm. Northwest wind 10 to 15 mph.
Wednesday Night
A 20 percent chance of snow before midnight. Partly cloudy, with a low around 3. Northwest wind around 10 mph.
New Year's Day
Sunny, with a high near 13. West wind around 10 mph.
Thursday Night
Partly cloudy, with a low around 4.
Friday
Partly sunny, with a high near 20.
Friday Night
Mostly cloudy, with a low around 10.
Saturday
Partly sunny, with a high near 24.
Saturday Night
Mostly cloudy, with a low around 7.
Sunday
A 20 percent chance of snow. Partly sunny, with a high near 23.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Rio WISimilar City Names
 43.46°N 89.23°W (Elev. 951 ft)
Last Update:
1:42 am CST Dec 29, 2025
Forecast Valid:
2am CST Dec 29, 2025-6pm CST Jan 4, 2026
 
Forecast Discussion
 
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Additional Resources

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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