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

Hazardous Weather Conditions

Current conditions at

Indianapolis Regional Airport (KMQJ)

Lat: 39.84°NLon: 85.9°WElev: 862ft.

Partly Cloudy

26°C

79°F

Humidity 100%
Wind Speed S 7 km/h
Barometer 30.02 in
Dewpoint 26°C (79°F)
Visibility 16 km
Heat Index29°C (84°F)
Last update 11 Aug 1:55 am EDT
Extended Forecast for

McCordsville IN

Flood Watch August 11, 12:00pm until August 12, 12:00am
Click here for hazard details and duration
Flood Watch

  • Overnight

    Overnight: Scattered showers and thunderstorms. Mostly cloudy, with a low around 23. South southwest wind around 8 km/h. Chance of precipitation is 40%.

    Low: 23 °C

    Scattered
    Showers

  • Tuesday

    Tuesday: Showers and thunderstorms likely, mainly after 5pm. Some of the storms could be severe. Mostly cloudy, with a high near 30. South wind 11 to 18 km/h becoming west in the afternoon. Winds could gust as high as 34 km/h. Chance of precipitation is 60%. New rainfall amounts between 1 and 2 cm possible.

    High: 30 °C

    Showers
    Likely then
    Severe
    Thunderstorms

  • Tuesday Night

    Tuesday Night: Showers and thunderstorms likely before 4am, then showers likely and possibly a thunderstorm between 4am and 5am, then scattered showers and thunderstorms after 5am. Some of the storms could be severe. Mostly cloudy, with a low around 20. Southwest wind 5 to 10 km/h becoming southeast in the evening. Chance of precipitation is 70%. New rainfall amounts between 1 and 2 cm possible.

    Low: 20 °C

    Severe
    Thunderstorms
    then Showers
    Likely

  • Wednesday

    Wednesday: Scattered showers, with thunderstorms also possible after 1pm. Partly sunny, with a high near 29. Southwest wind 5 to 10 km/h. Chance of precipitation is 30%.

    High: 29 °C

    Scattered
    Showers then
    Scattered
    T-storms

  • Wednesday Night

    Wednesday Night: Scattered showers and thunderstorms before 8pm, then showers likely and possibly a thunderstorm between 8pm and 11pm, then showers likely after 11pm. Mostly cloudy, with a low around 20. Calm wind. Chance of precipitation is 70%. New precipitation amounts between 1 and 2 cm possible.

    Low: 20 °C

    Showers
    Likely

  • Thursday

    Thursday: Scattered showers, then showers likely and possibly a thunderstorm after 2pm. Partly sunny, with a high near 28. Calm wind becoming north 5 to 10 km/h in the morning. Chance of precipitation is 60%. New rainfall amounts between 7.5 mm and 1 cm possible.

    High: 28 °C

    Showers
    Likely

  • Thursday Night

    Thursday Night: Showers likely and possibly a thunderstorm before 11pm, then showers likely between 11pm and 2am, then showers likely and possibly a thunderstorm after 2am. Mostly cloudy, with a low around 19. Northeast wind 3 to 8 km/h. Chance of precipitation is 70%.

    Low: 19 °C

    Showers
    Likely

  • Friday

    Friday: A 30 percent chance of showers and thunderstorms, mainly before 2pm. Mostly cloudy, with a high near 27. Northeast wind 5 to 10 km/h.

    High: 27 °C

    Chance
    Showers

  • Friday Night

    Friday Night: A slight chance of showers before 8pm, then a slight chance of showers after 2am. Partly cloudy, with a low around 17. East wind 8 to 10 km/h. Chance of precipitation is 20%.

    Low: 17 °C

    Slight Chance
    Showers

Detailed Forecast

Overnight
Scattered showers and thunderstorms. Mostly cloudy, with a low around 23. South southwest wind around 8 km/h. Chance of precipitation is 40%.
Tuesday
Showers and thunderstorms likely, mainly after 5pm. Some of the storms could be severe. Mostly cloudy, with a high near 30. South wind 11 to 18 km/h becoming west in the afternoon. Winds could gust as high as 34 km/h. Chance of precipitation is 60%. New rainfall amounts between 1 and 2 cm possible.
Tuesday Night
Showers and thunderstorms likely before 4am, then showers likely and possibly a thunderstorm between 4am and 5am, then scattered showers and thunderstorms after 5am. Some of the storms could be severe. Mostly cloudy, with a low around 20. Southwest wind 5 to 10 km/h becoming southeast in the evening. Chance of precipitation is 70%. New rainfall amounts between 1 and 2 cm possible.
Wednesday
Scattered showers, with thunderstorms also possible after 1pm. Partly sunny, with a high near 29. Southwest wind 5 to 10 km/h. Chance of precipitation is 30%.
Wednesday Night
Scattered showers and thunderstorms before 8pm, then showers likely and possibly a thunderstorm between 8pm and 11pm, then showers likely after 11pm. Mostly cloudy, with a low around 20. Calm wind. Chance of precipitation is 70%. New precipitation amounts between 1 and 2 cm possible.
Thursday
Scattered showers, then showers likely and possibly a thunderstorm after 2pm. Partly sunny, with a high near 28. Calm wind becoming north 5 to 10 km/h in the morning. Chance of precipitation is 60%. New rainfall amounts between 7.5 mm and 1 cm possible.
Thursday Night
Showers likely and possibly a thunderstorm before 11pm, then showers likely between 11pm and 2am, then showers likely and possibly a thunderstorm after 2am. Mostly cloudy, with a low around 19. Northeast wind 3 to 8 km/h. Chance of precipitation is 70%.
Friday
A 30 percent chance of showers and thunderstorms, mainly before 2pm. Mostly cloudy, with a high near 27. Northeast wind 5 to 10 km/h.
Friday Night
A slight chance of showers before 8pm, then a slight chance of showers after 2am. Partly cloudy, with a low around 17. East wind 8 to 10 km/h. Chance of precipitation is 20%.
Saturday
A 30 percent chance of showers and thunderstorms, mainly between 8am and 2pm. Mostly sunny, with a high near 28. South southeast wind 11 to 14 km/h.
Saturday Night
A 20 percent chance of showers and thunderstorms. Partly cloudy, with a low around 20.
Sunday
A 20 percent chance of showers and thunderstorms. Mostly sunny, with a high near 30.
Sunday Night
A 40 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 19.
Monday
A 20 percent chance of showers. Mostly sunny, with a high near 27.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
McCordsville IN
 39.91°N 85.92°W (Elev. 797 m)
Last Update:
1:45 am EDT Aug 11, 2026
Forecast Valid:
2am EDT Aug 11, 2026-6pm EDT Aug 17, 2026
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

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Hourly Weather Forecast

National Digital Forecast Database

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation