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.

Thunderstorm Light Rain

67°F

19°C

Humidity 97%
Wind Speed SE 12 mph
Barometer 29.94 in (1013.3 mb)
Dewpoint 66°F (19°C)
Visibility 10.00 mi
Last update 20 Aug 12:54 am EDT
Extended Forecast for

Southport IN

Flood Watch August 20, 01:13am until August 20, 08:00am
Flood Advisory until August 20, 07:00am
Flood Warning until August 20, 02:00am
Click here for hazard details and duration
Flood Watch
Flood Advisory
...
  •  
    Flood Watch August 20, 01:13am until August 20, 08:00am
    Flood Advisory until August 20, 07:00am
    Flood Warning until August 20, 02:00am

    NOW: Multiple hazards in effect

    Click HERE for Details

  • Overnight

    Low: 69 °F

    Showers
    Likely and
    Patchy Fog

  • Thursday

    Thursday: Isolated showers before 7am. Mostly cloudy, then gradually becoming sunny, with a high near 80. Calm wind becoming north northeast around 5 mph in the afternoon. Chance of precipitation is 10%.

    High: 80 °F

    Isolated
    Showers then
    Mostly Sunny

  • Thursday Night

    Thursday Night: Patchy fog after 3am. Otherwise, partly cloudy, with a low around 63. North northeast wind around 5 mph becoming calm in the evening.

    Low: 63 °F

    Partly Cloudy
    then Patchy
    Fog

  • Friday

    Friday: Patchy fog before 8am. Otherwise, mostly sunny, with a high near 81. Light and variable wind.

    High: 81 °F

    Patchy Fog
    then Sunny

  • Friday Night

    Friday Night: A 20 percent chance of showers and thunderstorms after 2am. Partly cloudy, with a low around 64. Light and variable wind.

    Low: 64 °F

    Partly Cloudy
    then Slight
    Chance
    T-storms

  • Saturday

    Saturday: A slight chance of showers before 8am, then a slight chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 80. Light west wind becoming west northwest 5 to 10 mph in the morning. Chance of precipitation is 20%.

    High: 80 °F

    Partly Sunny
    then Slight
    Chance
    T-storms

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 61. Northwest wind 5 to 7 mph becoming calm after midnight.

    Low: 61 °F

    Mostly Clear

  • Sunday

    Sunday: Sunny, with a high near 78. Northwest wind 3 to 8 mph.

    High: 78 °F

    Sunny

Detailed Forecast

Overnight
Showers likely and possibly a thunderstorm before 3am, then scattered showers and thunderstorms after 3am. Patchy fog. Otherwise, cloudy, with a steady temperature around 69. Light and variable wind. Chance of precipitation is 70%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Thursday
Isolated showers before 7am. Mostly cloudy, then gradually becoming sunny, with a high near 80. Calm wind becoming north northeast around 5 mph in the afternoon. Chance of precipitation is 10%.
Thursday Night
Patchy fog after 3am. Otherwise, partly cloudy, with a low around 63. North northeast wind around 5 mph becoming calm in the evening.
Friday
Patchy fog before 8am. Otherwise, mostly sunny, with a high near 81. Light and variable wind.
Friday Night
A 20 percent chance of showers and thunderstorms after 2am. Partly cloudy, with a low around 64. Light and variable wind.
Saturday
A slight chance of showers before 8am, then a slight chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 80. Light west wind becoming west northwest 5 to 10 mph in the morning. Chance of precipitation is 20%.
Saturday Night
Mostly clear, with a low around 61. Northwest wind 5 to 7 mph becoming calm after midnight.
Sunday
Sunny, with a high near 78. Northwest wind 3 to 8 mph.
Sunday Night
A 20 percent chance of showers before 2am. Partly cloudy, with a low around 58. Northwest wind around 6 mph becoming calm in the evening.
Monday
A 20 percent chance of showers after 2pm. Mostly sunny, with a high near 77. East wind 3 to 5 mph.
Monday Night
A 10 percent chance of showers. Partly cloudy, with a low around 60.
Tuesday
Mostly sunny, with a high near 80.
Tuesday Night
Partly cloudy, with a low around 63.
Wednesday
A 20 percent chance of showers and thunderstorms. Mostly sunny, with a high near 82.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Southport IN
 39.68°N 86.11°W (Elev. 801 ft)
Last Update:
12:46 am EDT Aug 20, 2026
Forecast Valid:
1am EDT Aug 20, 2026-6pm EDT Aug 26, 2026
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

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