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.

Fog/Mist

35°F

2°C

Humidity 96%
Wind Speed N 10 mph
Barometer 30.11 in (1020.5 mb)
Dewpoint 34°F (1°C)
Visibility 4.00 mi
Wind Chill27°F (-3°C)
Last update 25 Dec 12:53 am CST
Extended Forecast for

Rio WI

  • Overnight

    Overnight: Cloudy, with a low around 29. North wind around 5 mph.

    Low: 29 °F

    Cloudy

  • Christmas Day

    Christmas Day: Mostly cloudy, with a high near 36. East wind around 10 mph.

    High: 36 °F

    Mostly Cloudy

  • Thursday Night

    Thursday Night: Rain, mainly after 1am. Low around 32. Southeast wind around 10 mph. Chance of precipitation is 80%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 32 °F

    Chance Rain
    then Rain

  • Friday

    Friday: A 40 percent chance of rain before noon. Mostly cloudy, with a high near 41. Southeast wind around 5 mph becoming northwest in the morning.

    High: 41 °F

    Chance Rain
    then Mostly
    Cloudy

  • Friday Night

    Friday Night: Mostly cloudy, with a low around 33. Northwest wind around 5 mph becoming calm.

    Low: 33 °F

    Mostly Cloudy

  • Saturday

    Saturday: Mostly cloudy, with a high near 43. Southeast wind 5 to 10 mph.

    High: 43 °F

    Mostly Cloudy

  • Saturday Night

    Saturday Night: Cloudy, with a low around 34. Southeast wind 5 to 10 mph becoming northeast after midnight.

    Low: 34 °F

    Cloudy

  • Sunday

    Sunday: A slight chance of rain before noon, then a chance of rain and snow. Mostly cloudy, with a temperature falling to around 24 by 5pm. Breezy, with a northeast wind 5 to 10 mph becoming northwest 15 to 20 mph in the afternoon. Winds could gust as high as 25 mph. Chance of precipitation is 30%.

    High: 39 °F⇓

    Slight Chance
    Rain then
    Chance
    Rain/Snow and
    Breezy

  • Sunday Night

    Sunday Night: A 20 percent chance of snow before midnight. Mostly cloudy, with a low around 8. Blustery.

    Low: 8 °F

    Blustery.
    Slight Chance
    Snow then
    Mostly Cloudy

Detailed Forecast

Overnight
Cloudy, with a low around 29. North wind around 5 mph.
Christmas Day
Mostly cloudy, with a high near 36. East wind around 10 mph.
Thursday Night
Rain, mainly after 1am. Low around 32. Southeast wind around 10 mph. Chance of precipitation is 80%. New precipitation amounts of less than a tenth of an inch possible.
Friday
A 40 percent chance of rain before noon. Mostly cloudy, with a high near 41. Southeast wind around 5 mph becoming northwest in the morning.
Friday Night
Mostly cloudy, with a low around 33. Northwest wind around 5 mph becoming calm.
Saturday
Mostly cloudy, with a high near 43. Southeast wind 5 to 10 mph.
Saturday Night
Cloudy, with a low around 34. Southeast wind 5 to 10 mph becoming northeast after midnight.
Sunday
A slight chance of rain before noon, then a chance of rain and snow. Mostly cloudy, with a temperature falling to around 24 by 5pm. Breezy, with a northeast wind 5 to 10 mph becoming northwest 15 to 20 mph in the afternoon. Winds could gust as high as 25 mph. Chance of precipitation is 30%.
Sunday Night
A 20 percent chance of snow before midnight. Mostly cloudy, with a low around 8. Blustery.
Monday
Mostly sunny, with a high near 19. Blustery.
Monday Night
Partly cloudy, with a low around 9.
Tuesday
Partly sunny, with a high near 26.
Tuesday Night
A 20 percent chance of snow. Mostly cloudy, with a low around 12.
Wednesday
Partly sunny, with a high near 23.
Basemap Options
Click map to change the forecast location
Loading map...
Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Rio WI
 43.43°N 89.23°W (Elev. 1033 ft)
Last Update:
1:21 am CST Dec 25, 2025
Forecast Valid:
1am CST Dec 25, 2025-6pm CST Dec 31, 2025
 
Forecast Discussion
 
Get as KML Get as XML

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