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

Hazardous Weather Conditions

Current conditions at

Valparaiso Porter County Municipal Airport (KVPZ)

Lat: 41.45°NLon: 87°WElev: 768ft.

Fair

80°F

27°C

Humidity 85%
Wind Speed SW 6 mph
Barometer 29.95 in (1013.6 mb)
Dewpoint 75°F (24°C)
Visibility 10.00 mi
Heat Index85°F (29°C)
Last update 2 Sep 11:56 pm CDT
Extended Forecast for

Porter IN

Heat Advisory September 3, 01:05am until September 3, 09:00pm
Click here for hazard details and duration
Heat Advisory
  •  
    Heat Advisory September 3, 01:05am until September 3, 09:00pm

    NOW until 9:00pm Thu

    Heat Advisory

  • Overnight

    Low: 75 °F

    Slight Chance
    T-storms

  • Thursday

    Thursday: A slight chance of showers and thunderstorms before 11am, then a slight chance of showers and thunderstorms after 4pm. Mostly sunny, with a high near 91. Heat index values as high as 99. South southwest wind 5 to 10 mph becoming northwest in the afternoon. Chance of precipitation is 20%.

    High: 91 °F

    Slight Chance
    T-storms

  • Thursday Night

    Thursday Night: A chance of showers and thunderstorms before 11pm, then a chance of showers and thunderstorms after midnight. Mostly cloudy, with a low around 72. South southeast wind 5 to 10 mph becoming north after midnight. Chance of precipitation is 50%.

    Low: 72 °F

    Chance
    T-storms

  • Friday

    Friday: A 30 percent chance of showers and thunderstorms before 1pm. Mostly sunny, with a high near 86. Heat index values as high as 95. East northeast wind around 5 mph becoming west southwest in the afternoon.

    High: 86 °F

    Chance
    Showers

  • Friday Night

    Friday Night: A 50 percent chance of showers and thunderstorms after 1am. Partly cloudy, with a low around 70. Northeast wind around 5 mph becoming southeast after midnight.

    Low: 70 °F

    Partly Cloudy
    then Chance
    T-storms

  • Saturday

    Saturday: A 30 percent chance of showers and thunderstorms, mainly before 1pm. Partly sunny, with a high near 83.

    High: 83 °F

    Chance
    Showers

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 66.

    Low: 66 °F

    Partly Cloudy

  • Sunday

    Sunday: Mostly sunny, with a high near 81.

    High: 81 °F

    Mostly Sunny

Detailed Forecast

Overnight
A 20 percent chance of showers and thunderstorms after 4am. Partly cloudy, with a low around 75. South southwest wind 5 to 10 mph.
Thursday
A slight chance of showers and thunderstorms before 11am, then a slight chance of showers and thunderstorms after 4pm. Mostly sunny, with a high near 91. Heat index values as high as 99. South southwest wind 5 to 10 mph becoming northwest in the afternoon. Chance of precipitation is 20%.
Thursday Night
A chance of showers and thunderstorms before 11pm, then a chance of showers and thunderstorms after midnight. Mostly cloudy, with a low around 72. South southeast wind 5 to 10 mph becoming north after midnight. Chance of precipitation is 50%.
Friday
A 30 percent chance of showers and thunderstorms before 1pm. Mostly sunny, with a high near 86. Heat index values as high as 95. East northeast wind around 5 mph becoming west southwest in the afternoon.
Friday Night
A 50 percent chance of showers and thunderstorms after 1am. Partly cloudy, with a low around 70. Northeast wind around 5 mph becoming southeast after midnight.
Saturday
A 30 percent chance of showers and thunderstorms, mainly before 1pm. Partly sunny, with a high near 83.
Saturday Night
Partly cloudy, with a low around 66.
Sunday
Mostly sunny, with a high near 81.
Sunday Night
Partly cloudy, with a low around 64.
Labor Day
Mostly sunny, with a high near 81.
Monday Night
Partly cloudy, with a low around 64.
Tuesday
Mostly sunny, with a high near 81.
Tuesday Night
Partly cloudy, with a low around 68.
Wednesday
A chance of showers. Mostly sunny, with a high near 84.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Porter IN
 41.61°N 87.08°W
Last Update:
9:31 pm CDT Sep 2, 2026
Forecast Valid:
1am CDT Sep 3, 2026-6pm CDT Sep 9, 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