National Weather Service Forecast for: Fond du Lac WI
Issued by: National Weather Service Milwaukee, WI
Updated: 6:11 pm CST Dec 17, 2025
 
Tonight

Tonight: A 30 percent chance of rain after 4am.  Mostly cloudy, with a temperature rising to around 38 by 4am. Breezy, with a south wind 10 to 20 mph, with gusts as high as 30 mph.
Mostly Cloudy
then Chance
Rain and
Breezy
Thursday

Thursday: Rain before 2pm, then a slight chance of rain and snow showers between 2pm and 3pm, then snow showers likely after 3pm.  Temperature falling to around 31 by 5pm. Breezy, with a south wind 15 to 20 mph becoming west in the afternoon. Winds could gust as high as 35 mph.  Chance of precipitation is 100%. New snow accumulation of less than a half inch possible.
Breezy. Rain
then
Rain/Snow
Likely
Thursday
Night
Thursday Night: Snow showers likely, mainly before 9pm, then a chance of snow after midnight.  Mostly cloudy, with a low around 8. Wind chill values between -10 and zero. Breezy, with a west wind around 20 mph, with gusts as high as 35 mph.  Chance of precipitation is 60%. New snow accumulation of less than a half inch possible.
Breezy. Snow
Showers
Likely then
Chance Snow
Friday

Friday: Mostly sunny, with a high near 21. Wind chill values between -10 and zero. Blustery, with a northwest wind 10 to 20 mph becoming southwest in the afternoon. Winds could gust as high as 30 mph.
Mostly Sunny
and Blustery
then Partly
Sunny
Friday
Night
Friday Night: Mostly cloudy, with a temperature falling to near 14 by 8pm, then rising to around 25 during the remainder of the night. South wind 5 to 10 mph.
Mostly Cloudy

Saturday

Saturday: A 20 percent chance of snow.  Mostly cloudy, with a high near 34. South wind 10 to 15 mph becoming west in the afternoon.
Slight Chance
Snow

Saturday
Night
Saturday Night: Mostly clear, with a low around 6. West wind around 15 mph.
Mostly Clear

Sunday

Sunday: Sunny, with a high near 18. West wind 5 to 10 mph.
Sunny

Sunday
Night
Sunday Night: Partly cloudy, with a steady temperature around 13.
Partly Cloudy

Lo 30 °F Hi 41 °F Lo 8 °F Hi 21 °F Lo 14 °F Hi 34 °F Lo 6 °F Hi 18 °F Lo 13 °F

 

Tonight
 
A 30 percent chance of rain after 4am. Mostly cloudy, with a temperature rising to around 38 by 4am. Breezy, with a south wind 10 to 20 mph, with gusts as high as 30 mph.
Thursday
 
Rain before 2pm, then a slight chance of rain and snow showers between 2pm and 3pm, then snow showers likely after 3pm. Temperature falling to around 31 by 5pm. Breezy, with a south wind 15 to 20 mph becoming west in the afternoon. Winds could gust as high as 35 mph. Chance of precipitation is 100%. New snow accumulation of less than a half inch possible.
Thursday Night
 
Snow showers likely, mainly before 9pm, then a chance of snow after midnight. Mostly cloudy, with a low around 8. Wind chill values between -10 and zero. Breezy, with a west wind around 20 mph, with gusts as high as 35 mph. Chance of precipitation is 60%. New snow accumulation of less than a half inch possible.
Friday
 
Mostly sunny, with a high near 21. Wind chill values between -10 and zero. Blustery, with a northwest wind 10 to 20 mph becoming southwest in the afternoon. Winds could gust as high as 30 mph.
Friday Night
 
Mostly cloudy, with a temperature falling to near 14 by 8pm, then rising to around 25 during the remainder of the night. South wind 5 to 10 mph.
Saturday
 
A 20 percent chance of snow. Mostly cloudy, with a high near 34. South wind 10 to 15 mph becoming west in the afternoon.
Saturday Night
 
Mostly clear, with a low around 6. West wind around 15 mph.
Sunday
 
Sunny, with a high near 18. West wind 5 to 10 mph.
Sunday Night
 
Partly cloudy, with a steady temperature around 13.
Monday
 
Mostly cloudy, with a high near 33.
Monday Night
 
Mostly cloudy, with a low around 26.
Tuesday
 
Partly sunny, with a high near 36.
Tuesday Night
 
Mostly cloudy, with a low around 18.
Wednesday
 
Mostly cloudy, with a high near 33.

 

Forecast from NOAA-NWS for Fond du Lac WI.