National Weather Service Forecast for: Fond du Lac WI
Issued by: National Weather Service Milwaukee, WI
Updated: 12:36 am CST Dec 5, 2025
 
Overnight

Overnight: Mostly cloudy, with a low around 5. Wind chill values between -5 and zero. Southwest wind 10 to 15 mph, with gusts as high as 30 mph.
Mostly Cloudy

 Friday

Friday: A chance of snow and freezing rain, mainly after 3pm. Mostly cloudy, with a high near 25. Wind chill values between -5 and 5. Southwest wind 10 to 15 mph, with gusts as high as 25 mph. Chance of precipitation is 40%.
Mostly Cloudy
then Chance
Wintry Mix
 Friday
Night
Friday Night: A chance of snow and freezing rain before midnight. Mostly cloudy, with a low around 16. Southwest wind around 10 mph becoming northwest after midnight. Chance of precipitation is 50%.
Chance Wintry
Mix then
Mostly Cloudy
 Saturday

Saturday: Mostly sunny, with a high near 22. Northwest wind 5 to 10 mph becoming light in the afternoon.
Mostly Sunny

 Saturday
Night
Saturday Night: A 50 percent chance of snow, mainly after midnight. Mostly cloudy, with a low around 9. Calm wind becoming north around 5 mph after midnight.
Slight Chance
Snow then
Chance Snow
 Sunday

Sunday: A 20 percent chance of snow before noon. Partly sunny, with a high near 18. North wind 5 to 10 mph.
Slight Chance
Snow then
Mostly Sunny
 Sunday
Night
Sunday Night: Partly cloudy, with a low around -4. North wind around 5 mph becoming calm in the evening.
Partly Cloudy

 Monday

Monday: A 20 percent chance of snow after noon. Partly sunny, with a high near 20. Light and variable wind becoming southwest 5 to 10 mph in the morning.
Partly Sunny
then Slight
Chance Snow
 Monday
Night
Monday Night: Snow. Low around 14. Chance of precipitation is 80%.
Snow
Lo 5 °F Hi 25 °F Lo 16 °F Hi 22 °F Lo 9 °F Hi 18 °F Lo -4 °F Hi 20 °F Lo 14 °F

Hazardous Weather Outlook
 

Overnight
 
 Mostly cloudy, with a low around 5. Wind chill values between -5 and zero. Southwest wind 10 to 15 mph, with gusts as high as 30 mph.
Friday
 
 A chance of snow and freezing rain, mainly after 3pm. Mostly cloudy, with a high near 25. Wind chill values between -5 and 5. Southwest wind 10 to 15 mph, with gusts as high as 25 mph. Chance of precipitation is 40%.
Friday Night
 
 A chance of snow and freezing rain before midnight. Mostly cloudy, with a low around 16. Southwest wind around 10 mph becoming northwest after midnight. Chance of precipitation is 50%.
Saturday
 
 Mostly sunny, with a high near 22. Northwest wind 5 to 10 mph becoming light in the afternoon.
Saturday Night
 
 A 50 percent chance of snow, mainly after midnight. Mostly cloudy, with a low around 9. Calm wind becoming north around 5 mph after midnight.
Sunday
 
 A 20 percent chance of snow before noon. Partly sunny, with a high near 18. North wind 5 to 10 mph.
Sunday Night
 
 Partly cloudy, with a low around -4. North wind around 5 mph becoming calm in the evening.
Monday
 
 A 20 percent chance of snow after noon. Partly sunny, with a high near 20. Light and variable wind becoming southwest 5 to 10 mph in the morning.
Monday Night
 
 Snow. Low around 14. Chance of precipitation is 80%.
Tuesday
 
 A 20 percent chance of snow before noon. Mostly cloudy, with a high near 29.
Tuesday Night
 
 Snow likely. Mostly cloudy, with a low around 16. Chance of precipitation is 70%.
Wednesday
 
 Snow likely. Mostly cloudy, with a high near 27. Chance of precipitation is 60%.
Wednesday Night
 
 A 30 percent chance of snow. Mostly cloudy, with a low around 8.
Thursday
 
 A 20 percent chance of snow. Partly sunny, with a high near 21.

 

Forecast from NOAA-NWS for Fond du Lac WI.