National Weather Service Forecast for: South Bend IN
Issued by: National Weather Service Northern Indiana
Updated: 5:16 pm EDT Jul 26, 2025
 
Tonight

Tonight: A 40 percent chance of showers and thunderstorms.  Mostly cloudy, with a low around 72. Southwest wind around 5 mph.
Chance
T-storms

Sunday

Sunday: A slight chance of thunderstorms before 8am.  Partly sunny, with a high near 89. Heat index values as high as 95. West wind around 5 mph.  Chance of precipitation is 10%.
Slight Chance
T-storms then
Partly Sunny
Sunday
Night
Sunday Night: Mostly clear, with a low around 72. Northwest wind around 5 mph becoming calm.
Mostly Clear

Monday

Monday: Mostly sunny and hot, with a high near 93. Heat index values as high as 102. Calm wind becoming southwest around 5 mph in the morning.
Hot

Monday
Night
Monday Night: Mostly clear, with a low around 74. West wind around 5 mph becoming calm  in the evening.
Mostly Clear

Tuesday

Tuesday: Mostly sunny and hot, with a high near 92.
Hot

Tuesday
Night
Tuesday Night: A 20 percent chance of showers and thunderstorms after 2am.  Partly cloudy, with a low around 70.
Mostly Clear
then Slight
Chance
T-storms
Wednesday

Wednesday: A 40 percent chance of showers and thunderstorms, mainly after 8am.  Partly sunny, with a high near 86.
Chance
T-storms

Wednesday
Night
Wednesday Night: A 20 percent chance of showers and thunderstorms.  Mostly cloudy, with a low around 63.
Slight Chance
T-storms

Lo 72 °F Hi 89 °F Lo 72 °F Hi 93 °F Lo 74 °F Hi 92 °F Lo 70 °F Hi 86 °F Lo 63 °F

Hazardous Weather Outlook
 

Tonight
 
A 40 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 72. Southwest wind around 5 mph.
Sunday
 
A slight chance of thunderstorms before 8am. Partly sunny, with a high near 89. Heat index values as high as 95. West wind around 5 mph. Chance of precipitation is 10%.
Sunday Night
 
Mostly clear, with a low around 72. Northwest wind around 5 mph becoming calm.
Monday
 
Mostly sunny and hot, with a high near 93. Heat index values as high as 102. Calm wind becoming southwest around 5 mph in the morning.
Monday Night
 
Mostly clear, with a low around 74. West wind around 5 mph becoming calm in the evening.
Tuesday
 
Mostly sunny and hot, with a high near 92.
Tuesday Night
 
A 20 percent chance of showers and thunderstorms after 2am. Partly cloudy, with a low around 70.
Wednesday
 
A 40 percent chance of showers and thunderstorms, mainly after 8am. Partly sunny, with a high near 86.
Wednesday Night
 
A 20 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 63.
Thursday
 
Mostly sunny, with a high near 80.
Thursday Night
 
Mostly clear, with a low around 57.
Friday
 
Sunny, with a high near 78.
Friday Night
 
Mostly clear, with a low around 56.
Saturday
 
Sunny, with a high near 80.

 

Forecast from NOAA-NWS for South Bend IN.