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

Multimedia Briefing: Severe Weather Potential Tuesday, August 11, 2026 (Issued at 3:30 am EDT)

Multimedia Weather Briefing for the Severe Weather Potential Tuesday, August 11 2026 Read More >

Hazardous Weather Conditions

Current conditions at

Portland Municipal Airport (KPLD)

Lat: 40.45°NLon: 84.99°WElev: 925ft.

Partly Cloudy

76°F

24°C

Humidity 75%
Wind Speed SW 5 mph
Barometer 30.00 in
Dewpoint 68°F (20°C)
Visibility 10.00 mi
Heat Index77°F (25°C)
Last update 11 Aug 4:55 am EDT
Extended Forecast for

4 Miles WSW Portland IN

Flood Watch August 11, 11:00am until August 11, 08:00pm
Click here for hazard details and duration
Flood Watch

  • Overnight

    Overnight: A 40 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 69. South wind around 5 mph.

    Low: 69 °F

    Chance
    T-storms

  • Tuesday

    Tuesday: Showers and thunderstorms likely, then showers and possibly a thunderstorm after 3pm. High near 82. Southwest wind 5 to 10 mph. Chance of precipitation is 80%. New rainfall amounts between a half and three quarters of an inch possible.

    High: 82 °F

    Showers
    Likely then
    T-storms

  • Tuesday Night

    Tuesday Night: Showers and thunderstorms before 3am, then a chance of showers and thunderstorms after 4am. Low around 66. Southwest wind around 5 mph becoming calm in the evening. Chance of precipitation is 80%. New rainfall amounts between three quarters and one inch possible.

    Low: 66 °F

    T-storms then
    Chance
    Showers

  • Wednesday

    Wednesday: A slight chance of showers and thunderstorms before 7am, then a slight chance of showers and thunderstorms after 3pm. Mostly cloudy, with a high near 83. Calm wind becoming west around 5 mph in the afternoon. Chance of precipitation is 20%.

    High: 83 °F

    Slight Chance
    T-storms

  • Wednesday Night

    Wednesday Night: A chance of showers and thunderstorms, then showers likely after 11pm. Some of the storms could produce heavy rainfall. Mostly cloudy, with a low around 66. Calm wind. Chance of precipitation is 60%. New precipitation amounts between a quarter and half of an inch possible.

    Low: 66 °F

    Heavy Rain
    then Showers
    Likely

  • Thursday

    Thursday: Showers likely, with thunderstorms also possible after 2pm. Partly sunny, with a high near 81. Chance of precipitation is 60%.

    High: 81 °F

    Showers
    Likely then
    Chance
    T-storms

  • Thursday Night

    Thursday Night: Showers likely and possibly a thunderstorm. Mostly cloudy, with a low around 64. Chance of precipitation is 60%.

    Low: 64 °F

    Showers
    Likely

  • Friday

    Friday: A 30 percent chance of showers, mainly before 8am. Partly sunny, with a high near 78.

    High: 78 °F

    Chance
    Showers

  • Friday Night

    Friday Night: A 20 percent chance of showers after 2am. Partly cloudy, with a low around 60.

    Low: 60 °F

    Partly Cloudy
    then Slight
    Chance
    Showers

Detailed Forecast

Overnight
A 40 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 69. South wind around 5 mph.
Tuesday
Showers and thunderstorms likely, then showers and possibly a thunderstorm after 3pm. High near 82. Southwest wind 5 to 10 mph. Chance of precipitation is 80%. New rainfall amounts between a half and three quarters of an inch possible.
Tuesday Night
Showers and thunderstorms before 3am, then a chance of showers and thunderstorms after 4am. Low around 66. Southwest wind around 5 mph becoming calm in the evening. Chance of precipitation is 80%. New rainfall amounts between three quarters and one inch possible.
Wednesday
A slight chance of showers and thunderstorms before 7am, then a slight chance of showers and thunderstorms after 3pm. Mostly cloudy, with a high near 83. Calm wind becoming west around 5 mph in the afternoon. Chance of precipitation is 20%.
Wednesday Night
A chance of showers and thunderstorms, then showers likely after 11pm. Some of the storms could produce heavy rainfall. Mostly cloudy, with a low around 66. Calm wind. Chance of precipitation is 60%. New precipitation amounts between a quarter and half of an inch possible.
Thursday
Showers likely, with thunderstorms also possible after 2pm. Partly sunny, with a high near 81. Chance of precipitation is 60%.
Thursday Night
Showers likely and possibly a thunderstorm. Mostly cloudy, with a low around 64. Chance of precipitation is 60%.
Friday
A 30 percent chance of showers, mainly before 8am. Partly sunny, with a high near 78.
Friday Night
A 20 percent chance of showers after 2am. Partly cloudy, with a low around 60.
Saturday
A chance of showers, with thunderstorms also possible after 2pm. Mostly sunny, with a high near 79. Chance of precipitation is 30%.
Saturday Night
A 40 percent chance of showers and thunderstorms. Partly cloudy, with a low around 66.
Sunday
A 40 percent chance of showers and thunderstorms. Mostly sunny, with a high near 84.
Sunday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 65.
Monday
A slight chance of showers. Partly sunny, with a high near 78.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
4 Miles WSW Portland IN
 40.39°N 85.06°W (Elev. 945 ft)
Last Update:
3:01 am EDT Aug 11, 2026
Forecast Valid:
5am EDT Aug 11, 2026-6pm EDT Aug 17, 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