National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

Hazardous Weather Conditions

Current conditions at

Indianapolis International Airport (KIND)

Lat: 39.73°NLon: 86.28°WElev: 790ft.

Fair

77°F

25°C

Humidity 85%
Wind Speed S 7 mph
Barometer 30.13 in (1019.3 mb)
Dewpoint 72°F (22°C)
Visibility 10.00 mi
Heat Index78°F (26°C)
Last update 23 Jun 1:54 am EDT
Extended Forecast for

Castleton IN

Heat Advisory June 23, 02:04am until June 27, 08:00pm
Click here for hazard details and duration
Heat Advisory
  •  
    Heat Advisory June 23, 02:04am until June 27, 08:00pm

    NOW until 8:00pm Fri

    Heat Advisory

  • Overnight

    Low: 76 °F

    Clear

  • Monday

    Monday: Sunny and hot, with a high near 95. Heat index values as high as 102. Light southwest wind increasing to 5 to 10 mph in the morning.

    High: 95 °F

    Hot

  • Monday Night

    Monday Night: Mostly clear, with a low around 77. Southwest wind 3 to 6 mph.

    Low: 77 °F

    Mostly Clear

  • Tuesday

    Tuesday: A slight chance of showers, with thunderstorms also possible after 2pm. Mostly sunny and hot, with a high near 94. Heat index values as high as 101. West southwest wind 3 to 6 mph. Chance of precipitation is 20%.

    High: 94 °F

    Slight Chance
    Showers then
    Slight Chance
    T-storms

  • Tuesday Night

    Tuesday Night: A slight chance of thunderstorms before 8pm. Partly cloudy, with a low around 77. West southwest wind around 5 mph becoming calm in the evening. Chance of precipitation is 10%.

    Low: 77 °F

    Slight Chance
    T-storms then
    Partly Cloudy

  • Wednesday

    Wednesday: A 30 percent chance of showers and thunderstorms. Mostly sunny and hot, with a high near 92. Calm wind becoming west southwest around 6 mph in the afternoon.

    High: 92 °F

    Chance
    T-storms

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 76. West southwest wind around 5 mph becoming calm in the evening.

    Low: 76 °F

    Partly Cloudy

  • Thursday

    Thursday: A 40 percent chance of showers and thunderstorms. Mostly sunny and hot, with a high near 94. West southwest wind 3 to 7 mph.

    High: 94 °F

    Chance
    T-storms

Detailed Forecast

Overnight
Clear, with a low around 76. Light south southwest wind.
Monday
Sunny and hot, with a high near 95. Heat index values as high as 102. Light southwest wind increasing to 5 to 10 mph in the morning.
Monday Night
Mostly clear, with a low around 77. Southwest wind 3 to 6 mph.
Tuesday
A slight chance of showers, with thunderstorms also possible after 2pm. Mostly sunny and hot, with a high near 94. Heat index values as high as 101. West southwest wind 3 to 6 mph. Chance of precipitation is 20%.
Tuesday Night
A slight chance of thunderstorms before 8pm. Partly cloudy, with a low around 77. West southwest wind around 5 mph becoming calm in the evening. Chance of precipitation is 10%.
Wednesday
A 30 percent chance of showers and thunderstorms. Mostly sunny and hot, with a high near 92. Calm wind becoming west southwest around 6 mph in the afternoon.
Wednesday Night
Partly cloudy, with a low around 76. West southwest wind around 5 mph becoming calm in the evening.
Thursday
A 40 percent chance of showers and thunderstorms. Mostly sunny and hot, with a high near 94. West southwest wind 3 to 7 mph.
Thursday Night
A 20 percent chance of showers and thunderstorms. Partly cloudy, with a low around 76. South southwest wind around 6 mph.
Friday
A 40 percent chance of showers and thunderstorms, mainly after 2pm. Mostly sunny and hot, with a high near 93. West southwest wind 6 to 10 mph.
Friday Night
A 40 percent chance of showers and thunderstorms. Partly cloudy, with a low around 74.
Saturday
A 50 percent chance of showers and thunderstorms. Mostly sunny, with a high near 90.
Saturday Night
A 30 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 73.
Sunday
A 50 percent chance of showers and thunderstorms. Mostly sunny and hot, with a high near 91.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Castleton IN
 39.9°N 86.06°W (Elev. 823 ft)
Last Update:
1:46 am EDT Jun 23, 2025
Forecast Valid:
2am EDT Jun 23, 2025-6pm EDT Jun 29, 2025
 
Forecast Discussion
 
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Additional Resources

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation