National Weather Service Forecast for: Indianapolis IN
Issued by: National Weather Service Indianapolis, IN
Updated: 6:26 am EDT Jul 25, 2025
 
Today

Today: A 30 percent chance of showers and thunderstorms, mainly after 3pm. Partly sunny and hot, with a high near 93. Heat index values as high as 101. Calm wind becoming west southwest 5 to 7 mph in the morning.
Partly Sunny
then Chance
T-storms
 Tonight

Tonight: A chance of showers and thunderstorms before 5am, then isolated showers. Mostly cloudy, with a low around 75. West northwest wind around 5 mph becoming calm in the evening. Chance of precipitation is 30%.
Chance
T-storms then
Scattered
Showers
 Saturday

Saturday: Scattered showers and thunderstorms before 2pm, then showers likely and possibly a thunderstorm between 2pm and 5pm, then showers and thunderstorms likely after 5pm. Partly sunny and hot, with a high near 91. Southwest wind 3 to 6 mph. Chance of precipitation is 70%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
T-storms
Likely

 Saturday
Night
Saturday Night: Showers and thunderstorms likely, mainly before 8pm. Mostly cloudy, with a low around 76. Southwest wind 3 to 6 mph. Chance of precipitation is 60%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
T-storms
Likely

 Sunday

Sunday: Showers and thunderstorms likely, mainly after 2pm. Partly sunny and hot, with a high near 91. West southwest wind 3 to 6 mph. Chance of precipitation is 60%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
T-storms
Likely

 Sunday
Night
Sunday Night: Showers and thunderstorms likely, mainly before 8pm. Partly cloudy, with a low around 76. West southwest wind around 5 mph becoming calm in the evening. Chance of precipitation is 60%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
T-storms
Likely then
Slight Chance
T-storms
 Monday

Monday: A 20 percent chance of showers and thunderstorms after 8am. Mostly sunny and hot, with a high near 94. Calm wind becoming west around 6 mph in the afternoon.
Slight Chance
T-storms

 Monday
Night
Monday Night: Mostly clear, with a low around 77. West wind around 6 mph becoming calm in the evening.
Mostly Clear

 Tuesday

Tuesday: Mostly sunny and hot, with a high near 93. Calm wind becoming northwest around 5 mph in the afternoon.
Hot
Hi 93 °F Lo 75 °F Hi 91 °F Lo 76 °F Hi 91 °F Lo 76 °F Hi 94 °F Lo 77 °F Hi 93 °F

Hazardous Weather Outlook
Heat Advisory
 

Today
 
 A 30 percent chance of showers and thunderstorms, mainly after 3pm. Partly sunny and hot, with a high near 93. Heat index values as high as 101. Calm wind becoming west southwest 5 to 7 mph in the morning.
Tonight
 
 A chance of showers and thunderstorms before 5am, then isolated showers. Mostly cloudy, with a low around 75. West northwest wind around 5 mph becoming calm in the evening. Chance of precipitation is 30%.
Saturday
 
 Scattered showers and thunderstorms before 2pm, then showers likely and possibly a thunderstorm between 2pm and 5pm, then showers and thunderstorms likely after 5pm. Partly sunny and hot, with a high near 91. Southwest wind 3 to 6 mph. Chance of precipitation is 70%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Saturday Night
 
 Showers and thunderstorms likely, mainly before 8pm. Mostly cloudy, with a low around 76. Southwest wind 3 to 6 mph. Chance of precipitation is 60%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Sunday
 
 Showers and thunderstorms likely, mainly after 2pm. Partly sunny and hot, with a high near 91. West southwest wind 3 to 6 mph. Chance of precipitation is 60%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Sunday Night
 
 Showers and thunderstorms likely, mainly before 8pm. Partly cloudy, with a low around 76. West southwest wind around 5 mph becoming calm in the evening. Chance of precipitation is 60%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Monday
 
 A 20 percent chance of showers and thunderstorms after 8am. Mostly sunny and hot, with a high near 94. Calm wind becoming west around 6 mph in the afternoon.
Monday Night
 
 Mostly clear, with a low around 77. West wind around 6 mph becoming calm in the evening.
Tuesday
 
 Mostly sunny and hot, with a high near 93. Calm wind becoming northwest around 5 mph in the afternoon.
Tuesday Night
 
 Partly cloudy, with a low around 75. North wind 3 to 6 mph.
Wednesday
 
 A 20 percent chance of showers and thunderstorms. Partly sunny, with a high near 88.
Wednesday Night
 
 A 30 percent chance of showers. Partly cloudy, with a low around 67.
Thursday
 
 A 30 percent chance of showers and thunderstorms. Mostly sunny, with a high near 81.

 

Forecast from NOAA-NWS for Indianapolis IN.