National Weather Service Forecast for: Madison WI
Issued by: National Weather Service Milwaukee, WI
Updated: 12:21 am CST Dec 20, 2025
 
Overnight

Overnight: Cloudy, with a low around 15. Breezy, with a south wind 15 to 20 mph, with gusts as high as 25 mph.
Cloudy and
Breezy
 Saturday

Saturday: A 40 percent chance of snow, mainly before 11am. Cloudy through mid morning, then gradual clearing, with a high near 35. South wind around 15 mph becoming northwest in the afternoon. Winds could gust as high as 25 mph.
Chance Snow
then Sunny
 Saturday
Night
Saturday Night: Mostly clear, with a low around 7. Wind chill values between -5 and 5. Breezy, with a northwest wind 10 to 20 mph, with gusts as high as 30 mph.
Mostly Clear
and Breezy
then Clear
 Sunday

Sunday: Sunny, with a high near 23. Wind chill values between -5 and 5. Northwest wind 5 to 10 mph becoming south in the afternoon.
Sunny

 Sunday
Night
Sunday Night: A 30 percent chance of snow after midnight. Increasing clouds, with a temperature falling to near 18 by 8pm, then rising to around 26 during the remainder of the night. South wind 5 to 15 mph.
Mostly Cloudy
then Chance
Snow
 Monday

Monday: A 20 percent chance of snow before noon. Cloudy, with a high near 37. South wind 10 to 15 mph.
Slight Chance
Snow then
Cloudy
 Monday
Night
Monday Night: Mostly cloudy, with a low around 33. South wind 10 to 15 mph becoming west after midnight.
Mostly Cloudy

 Tuesday

Tuesday: Partly sunny, with a high near 41. Northwest wind 5 to 10 mph.
Partly Sunny

 Tuesday
Night
Tuesday Night: Mostly cloudy, with a low around 26.
Mostly Cloudy
Lo 15 °F Hi 35 °F Lo 7 °F Hi 23 °F Lo 18 °F⇑ Hi 37 °F Lo 33 °F Hi 41 °F Lo 26 °F

Hazardous Weather Outlook
 

Overnight
 
 Cloudy, with a low around 15. Breezy, with a south wind 15 to 20 mph, with gusts as high as 25 mph.
Saturday
 
 A 40 percent chance of snow, mainly before 11am. Cloudy through mid morning, then gradual clearing, with a high near 35. South wind around 15 mph becoming northwest in the afternoon. Winds could gust as high as 25 mph.
Saturday Night
 
 Mostly clear, with a low around 7. Wind chill values between -5 and 5. Breezy, with a northwest wind 10 to 20 mph, with gusts as high as 30 mph.
Sunday
 
 Sunny, with a high near 23. Wind chill values between -5 and 5. Northwest wind 5 to 10 mph becoming south in the afternoon.
Sunday Night
 
 A 30 percent chance of snow after midnight. Increasing clouds, with a temperature falling to near 18 by 8pm, then rising to around 26 during the remainder of the night. South wind 5 to 15 mph.
Monday
 
 A 20 percent chance of snow before noon. Cloudy, with a high near 37. South wind 10 to 15 mph.
Monday Night
 
 Mostly cloudy, with a low around 33. South wind 10 to 15 mph becoming west after midnight.
Tuesday
 
 Partly sunny, with a high near 41. Northwest wind 5 to 10 mph.
Tuesday Night
 
 Mostly cloudy, with a low around 26.
Wednesday
 
 Mostly cloudy, with a high near 45.
Wednesday Night
 
 A 20 percent chance of rain. Cloudy, with a low around 37.
Christmas Day
 
 Mostly cloudy, with a high near 51.
Thursday Night
 
 Mostly cloudy, with a low around 32.
Friday
 
 Partly sunny, with a high near 44.

 

Forecast from NOAA-NWS for Madison WI.