National Weather Service Forecast for: Eau Claire WI
Issued by: National Weather Service Twin Cities/Chanhassen, MN
Updated: 7:01 pm CDT Jun 29, 2026
 
Overnight

Overnight: A chance of showers and thunderstorms before 2am, then showers likely and possibly a thunderstorm between 2am and 4am, then a chance of showers after 4am. Mostly cloudy, with a low around 75. South southwest wind 5 to 10 mph. Chance of precipitation is 60%.
Showers
Likely

 Tuesday

Tuesday: A 30 percent chance of showers and thunderstorms, mainly between 3pm and 5pm. Mostly sunny, with a high near 92. Heat index values as high as 102. South wind 5 to 10 mph.
Chance
Showers then
Chance
T-storms
 Tuesday
Night
Tuesday Night: A 50 percent chance of showers and thunderstorms, mainly after 4am. Mostly cloudy, with a low around 70. Southwest wind 5 to 10 mph becoming light in the evening. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Chance
T-storms

 Wednesday

Wednesday: Showers and possibly a thunderstorm. High near 89. Heat index values as high as 97. South southwest wind 5 to 10 mph. Chance of precipitation is 90%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Showers

 Wednesday
Night
Wednesday Night: Showers and possibly a thunderstorm. Low around 69. South southwest wind 5 to 10 mph. Chance of precipitation is 90%. New rainfall amounts between a quarter and half of an inch possible.
T-storms then
Showers

 Thursday

Thursday: A slight chance of thunderstorms before 7am, then a chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 91. Southwest wind around 5 mph. Chance of precipitation is 40%.
Slight Chance
T-storms then
Chance
T-storms
 Thursday
Night
Thursday Night: Showers and thunderstorms likely before 1am, then showers likely and possibly a thunderstorm after 1am. Partly cloudy, with a low around 69. South southwest wind around 5 mph becoming calm in the evening. Chance of precipitation is 70%. New rainfall amounts between a quarter and half of an inch possible.
T-storms
Likely

 Friday

Friday: Showers likely and possibly a thunderstorm. Partly sunny, with a high near 87. Calm wind becoming south around 5 mph in the morning. Chance of precipitation is 60%.
Showers
Likely

 Friday
Night
Friday Night: A 40 percent chance of showers and thunderstorms. Partly cloudy, with a low around 67. West wind around 5 mph becoming calm in the evening.
Chance
T-storms
Lo 75 °F Hi 92 °F Lo 70 °F Hi 89 °F Lo 69 °F Hi 91 °F Lo 69 °F Hi 87 °F Lo 67 °F

Hazardous Weather Outlook
Heat Advisory
 

Overnight
 
 A chance of showers and thunderstorms before 2am, then showers likely and possibly a thunderstorm between 2am and 4am, then a chance of showers after 4am. Mostly cloudy, with a low around 75. South southwest wind 5 to 10 mph. Chance of precipitation is 60%.
Tuesday
 
 A 30 percent chance of showers and thunderstorms, mainly between 3pm and 5pm. Mostly sunny, with a high near 92. Heat index values as high as 102. South wind 5 to 10 mph.
Tuesday Night
 
 A 50 percent chance of showers and thunderstorms, mainly after 4am. Mostly cloudy, with a low around 70. Southwest wind 5 to 10 mph becoming light in the evening. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Wednesday
 
 Showers and possibly a thunderstorm. High near 89. Heat index values as high as 97. South southwest wind 5 to 10 mph. Chance of precipitation is 90%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Wednesday Night
 
 Showers and possibly a thunderstorm. Low around 69. South southwest wind 5 to 10 mph. Chance of precipitation is 90%. New rainfall amounts between a quarter and half of an inch possible.
Thursday
 
 A slight chance of thunderstorms before 7am, then a chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 91. Southwest wind around 5 mph. Chance of precipitation is 40%.
Thursday Night
 
 Showers and thunderstorms likely before 1am, then showers likely and possibly a thunderstorm after 1am. Partly cloudy, with a low around 69. South southwest wind around 5 mph becoming calm in the evening. Chance of precipitation is 70%. New rainfall amounts between a quarter and half of an inch possible.
Friday
 
 Showers likely and possibly a thunderstorm. Partly sunny, with a high near 87. Calm wind becoming south around 5 mph in the morning. Chance of precipitation is 60%.
Friday Night
 
 A 40 percent chance of showers and thunderstorms. Partly cloudy, with a low around 67. West wind around 5 mph becoming calm in the evening.
Independence Day
 
 A 50 percent chance of showers and thunderstorms. Partly sunny, with a high near 87. Southeast wind around 5 mph.
Saturday Night
 
 Showers likely and possibly a thunderstorm. Mostly cloudy, with a low around 67. East northeast wind around 5 mph. Chance of precipitation is 60%.
Sunday
 
 A 50 percent chance of showers and thunderstorms. Partly sunny, with a high near 83. West wind around 5 mph.
Sunday Night
 
 A 20 percent chance of showers and thunderstorms. Partly cloudy, with a low around 63. Northwest wind around 5 mph becoming calm in the evening.
Monday
 
 Mostly sunny, with a high near 83. Calm wind becoming northwest around 5 mph in the afternoon.

 

Forecast from NOAA-NWS for Eau Claire WI.