National Weather Service Forecast for: Wausau WI
Issued by: National Weather Service Green Bay, WI
Updated: 1:56 pm CDT Jul 16, 2026
 
Tonight

Tonight: A 30 percent chance of showers and thunderstorms, mainly after 5am. Areas of smoke. Mostly cloudy, with a low around 66. Calm wind becoming southeast around 5 mph after midnight.
Areas Smoke
then Chance
Showers
 Friday

Friday: A chance of showers and thunderstorms before 9am, then a slight chance of showers and thunderstorms after 5pm. Areas of smoke before 2pm. Partly sunny and hot, with a high near 90. Heat index values as high as 94. South southeast wind 5 to 9 mph becoming west southwest in the afternoon. Chance of precipitation is 30%.
Chance
Showers then
Slight Chance
T-storms
 Friday
Night
Friday Night: A chance of showers and thunderstorms before 3am, then a slight chance of showers between 3am and 4am. Partly cloudy, with a low around 69. Southwest wind 7 to 9 mph becoming northwest after midnight. Winds could gust as high as 18 mph. Chance of precipitation is 30%.
Partly Cloudy
then Chance
Showers
 Saturday

Saturday: Mostly cloudy, then gradually becoming sunny, with a high near 84. North northwest wind 8 to 11 mph, with gusts as high as 20 mph.
Decreasing
Clouds

 Saturday
Night
Saturday Night: Mostly clear, with a low around 58. North wind 5 to 8 mph becoming calm in the evening.
Mostly Clear

 Sunday

Sunday: Sunny, with a high near 84.
Sunny

 Sunday
Night
Sunday Night: A 40 percent chance of showers and thunderstorms after 1am. Partly cloudy, with a low around 65.
Partly Cloudy
then Chance
Showers
 Monday

Monday: A 40 percent chance of showers and thunderstorms. Partly sunny, with a high near 86.
Chance
Showers then
Chance
T-storms
 Monday
Night
Monday Night: A 20 percent chance of showers and thunderstorms before 1am. Mostly clear, with a low around 63.
Slight Chance
T-storms
Lo 66 °F Hi 90 °F Lo 69 °F Hi 84 °F Lo 58 °F Hi 84 °F Lo 65 °F Hi 86 °F Lo 63 °F

Hazardous Weather Outlook
Air Quality Alert
 

Tonight
 
 A 30 percent chance of showers and thunderstorms, mainly after 5am. Areas of smoke. Mostly cloudy, with a low around 66. Calm wind becoming southeast around 5 mph after midnight.
Friday
 
 A chance of showers and thunderstorms before 9am, then a slight chance of showers and thunderstorms after 5pm. Areas of smoke before 2pm. Partly sunny and hot, with a high near 90. Heat index values as high as 94. South southeast wind 5 to 9 mph becoming west southwest in the afternoon. Chance of precipitation is 30%.
Friday Night
 
 A chance of showers and thunderstorms before 3am, then a slight chance of showers between 3am and 4am. Partly cloudy, with a low around 69. Southwest wind 7 to 9 mph becoming northwest after midnight. Winds could gust as high as 18 mph. Chance of precipitation is 30%.
Saturday
 
 Mostly cloudy, then gradually becoming sunny, with a high near 84. North northwest wind 8 to 11 mph, with gusts as high as 20 mph.
Saturday Night
 
 Mostly clear, with a low around 58. North wind 5 to 8 mph becoming calm in the evening.
Sunday
 
 Sunny, with a high near 84.
Sunday Night
 
 A 40 percent chance of showers and thunderstorms after 1am. Partly cloudy, with a low around 65.
Monday
 
 A 40 percent chance of showers and thunderstorms. Partly sunny, with a high near 86.
Monday Night
 
 A 20 percent chance of showers and thunderstorms before 1am. Mostly clear, with a low around 63.
Tuesday
 
 Sunny, with a high near 79.
Tuesday Night
 
 Mostly clear, with a low around 55.
Wednesday
 
 Sunny, with a high near 77.
Wednesday Night
 
 Mostly clear, with a low around 55.
Thursday
 
 Sunny, with a high near 80.

 

Forecast from NOAA-NWS for Wausau WI.