National Weather Service Forecast for: Wausau WI
Issued by: National Weather Service Green Bay, WI
Updated: 3:51 am CST Dec 18, 2025
 
Overnight

Overnight: A slight chance of drizzle or freezing rain before 4am, then a chance of drizzle.  Cloudy, with a low around 33. South wind around 16 mph, with gusts as high as 28 mph.  Chance of precipitation is 20%.
Chance
Drizzle/Freezing
Rain
Thursday

Thursday: Rain and snow before noon, then a chance of rain between noon and 1pm, then a chance of snow after 1pm.  Temperature falling to around 25 by 5pm. South wind 11 to 17 mph becoming west in the afternoon. Winds could gust as high as 28 mph.  Chance of precipitation is 100%. New snow accumulation of less than a half inch possible.
Rain/Snow
then Chance
Rain/Snow
Thursday
Night
Thursday Night: A 20 percent chance of snow before 11pm.  Cloudy, then gradually becoming partly cloudy, with a low around 4. Northwest wind 16 to 21 mph, with gusts as high as 34 mph.
Slight Chance
Snow then
Mostly Cloudy
Friday

Friday: Mostly sunny, with a high near 17. Northwest wind 7 to 16 mph becoming south in the afternoon. Winds could gust as high as 25 mph.
Mostly Sunny

Friday
Night
Friday Night: A 20 percent chance of snow after midnight.  Mostly cloudy, with a low around 11. South southeast wind 7 to 10 mph, with gusts as high as 18 mph.
Mostly Cloudy
then Slight
Chance Snow
Saturday

Saturday: A 20 percent chance of snow before noon.  Mostly cloudy, then gradually becoming sunny, with a high near 28.
Slight Chance
Snow then
Mostly Sunny
Saturday
Night
Saturday Night: Partly cloudy, with a low around -1.
Partly Cloudy

Sunday

Sunday: Sunny, with a high near 11.
Sunny

Sunday
Night
Sunday Night: Partly cloudy, with a low around 1.
Partly Cloudy

Lo 33 °F Hi 37 °F Lo 4 °F Hi 17 °F Lo 11 °F Hi 28 °F Lo -1 °F Hi 11 °F Lo 1 °F

Hazardous Weather Outlook
 

Overnight
 
A slight chance of drizzle or freezing rain before 4am, then a chance of drizzle. Cloudy, with a low around 33. South wind around 16 mph, with gusts as high as 28 mph. Chance of precipitation is 20%.
Thursday
 
Rain and snow before noon, then a chance of rain between noon and 1pm, then a chance of snow after 1pm. Temperature falling to around 25 by 5pm. South wind 11 to 17 mph becoming west in the afternoon. Winds could gust as high as 28 mph. Chance of precipitation is 100%. New snow accumulation of less than a half inch possible.
Thursday Night
 
A 20 percent chance of snow before 11pm. Cloudy, then gradually becoming partly cloudy, with a low around 4. Northwest wind 16 to 21 mph, with gusts as high as 34 mph.
Friday
 
Mostly sunny, with a high near 17. Northwest wind 7 to 16 mph becoming south in the afternoon. Winds could gust as high as 25 mph.
Friday Night
 
A 20 percent chance of snow after midnight. Mostly cloudy, with a low around 11. South southeast wind 7 to 10 mph, with gusts as high as 18 mph.
Saturday
 
A 20 percent chance of snow before noon. Mostly cloudy, then gradually becoming sunny, with a high near 28.
Saturday Night
 
Partly cloudy, with a low around -1.
Sunday
 
Sunny, with a high near 11.
Sunday Night
 
Partly cloudy, with a low around 1.
Monday
 
A 20 percent chance of snow. Mostly cloudy, with a high near 29.
Monday Night
 
Mostly cloudy, with a low around 22.
Tuesday
 
Partly sunny, with a high near 33.
Tuesday Night
 
Mostly cloudy, with a low around 15.
Wednesday
 
Partly sunny, with a high near 31.

 

Forecast from NOAA-NWS for Wausau WI.