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

Hazardous Weather Conditions

Current conditions at

La Porte Municipal Airport (KPPO)

Lat: 41.57°NLon: 86.73°WElev: 812ft.

Thunderstorm in Vicinity

81°F

27°C

Humidity 100%
Wind Speed SW 9 G 21 mph
Barometer 29.97 in
Dewpoint 81°F (27°C)
Visibility 10.00 mi
Heat Index91°F (33°C)
Last update 31 Aug 7:35 pm CDT
Extended Forecast for

La Porte IN

Heat Advisory September 1, 01:00pm until September 2, 07:00pm
Click here for hazard details and duration
Heat Advisory

  • Tonight

    Tonight: A 30 percent chance of showers and thunderstorms, mainly before 8pm. Partly cloudy, with a low around 72. Southwest wind around 5 mph.

    Low: 72 °F

    Chance
    T-storms then
    Partly Cloudy

  • Tuesday

    Tuesday: Mostly sunny and hot, with a high near 90. Heat index values as high as 99. Southwest wind 5 to 10 mph.

    High: 90 °F

    Hot

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 73. Southwest wind around 5 mph.

    Low: 73 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Sunny and hot, with a high near 92. Heat index values as high as 102. Southwest wind 5 to 10 mph.

    High: 92 °F

    Hot

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 73. Southwest wind 5 to 10 mph.

    Low: 73 °F

    Mostly Clear

  • Thursday

    Thursday: A 20 percent chance of showers and thunderstorms before 1pm. Mostly sunny, with a high near 88.

    High: 88 °F

    Slight Chance
    T-storms

  • Thursday Night

    Thursday Night: A 50 percent chance of showers and thunderstorms after 1am. Partly cloudy, with a low around 70.

    Low: 70 °F

    Partly Cloudy
    then Chance
    T-storms

  • Friday

    Friday: A 30 percent chance of showers and thunderstorms before 1pm. Mostly sunny, with a high near 85.

    High: 85 °F

    Chance
    T-storms

  • Friday Night

    Friday Night: A 40 percent chance of showers and thunderstorms, mainly after 1am. Partly cloudy, with a low around 68.

    Low: 68 °F

    Chance
    T-storms

Detailed Forecast

Tonight
A 30 percent chance of showers and thunderstorms, mainly before 8pm. Partly cloudy, with a low around 72. Southwest wind around 5 mph.
Tuesday
Mostly sunny and hot, with a high near 90. Heat index values as high as 99. Southwest wind 5 to 10 mph.
Tuesday Night
Partly cloudy, with a low around 73. Southwest wind around 5 mph.
Wednesday
Sunny and hot, with a high near 92. Heat index values as high as 102. Southwest wind 5 to 10 mph.
Wednesday Night
Mostly clear, with a low around 73. Southwest wind 5 to 10 mph.
Thursday
A 20 percent chance of showers and thunderstorms before 1pm. Mostly sunny, with a high near 88.
Thursday Night
A 50 percent chance of showers and thunderstorms after 1am. Partly cloudy, with a low around 70.
Friday
A 30 percent chance of showers and thunderstorms before 1pm. Mostly sunny, with a high near 85.
Friday Night
A 40 percent chance of showers and thunderstorms, mainly after 1am. Partly cloudy, with a low around 68.
Saturday
A chance of showers, with thunderstorms also possible after 1pm. Mostly sunny, with a high near 82. Chance of precipitation is 30%.
Saturday Night
A 20 percent chance of showers. Partly cloudy, with a low around 62.
Sunday
A 20 percent chance of showers. Mostly sunny, with a high near 80.
Sunday Night
Partly cloudy, with a low around 61.
Labor Day
Mostly sunny, with a high near 80.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
La Porte IN
 41.6°N 86.7°W (Elev. 794 ft)
Last Update:
6:45 pm CDT Aug 31, 2026
Forecast Valid:
7pm CDT Aug 31, 2026-6pm CDT Sep 7, 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