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

86°F

30°C

Humidity 65%
Wind Speed E 5 mph
Barometer 29.94 in (1013.3 mb)
Dewpoint 73°F (23°C)
Visibility 10.00 mi
Heat Index93°F (34°C)
Last update 3 Sep 5:56 pm CDT
Extended Forecast for

South Haven IN

Heat Advisory September 3, 06:45pm until September 3, 09:00pm
Click here for hazard details and duration
...
  •  
    Heat Advisory September 3, 06:45pm until September 3, 09:00pm

    NOW until 9:00pm Thu

    Heat Advisory

  • Tonight

    Low: 72 °F

    Mostly Clear
    then Slight
    Chance
    T-storms

  • Friday

    Friday: A 30 percent chance of showers and thunderstorms, mainly before 10am. Mostly sunny, with a high near 91. Heat index values as high as 100. Southwest wind around 5 mph, with gusts as high as 10 mph.

    High: 91 °F

    Chance
    T-storms then
    Mostly Sunny

  • Friday Night

    Friday Night: A 50 percent chance of showers and thunderstorms, mainly after 1am. Partly cloudy, with a low around 71. West northwest wind around 5 mph becoming calm.

    Low: 71 °F

    Slight Chance
    T-storms then
    Chance
    T-storms

  • Saturday

    Saturday: A 30 percent chance of showers and thunderstorms before 1pm. Mostly sunny, with a high near 82. North northeast wind 5 to 10 mph.

    High: 82 °F

    Chance
    Showers

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 64. East wind 5 to 10 mph.

    Low: 64 °F

    Partly Cloudy

  • Sunday

    Sunday: Sunny, with a high near 80.

    High: 80 °F

    Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 60.

    Low: 60 °F

    Mostly Clear

  • Labor Day

    Labor Day: Sunny, with a high near 81.

    High: 81 °F

    Sunny

Detailed Forecast

Tonight
A 20 percent chance of showers and thunderstorms after 4am. Mostly clear, with a low around 72. South wind around 5 mph.
Friday
A 30 percent chance of showers and thunderstorms, mainly before 10am. Mostly sunny, with a high near 91. Heat index values as high as 100. Southwest wind around 5 mph, with gusts as high as 10 mph.
Friday Night
A 50 percent chance of showers and thunderstorms, mainly after 1am. Partly cloudy, with a low around 71. West northwest wind around 5 mph becoming calm.
Saturday
A 30 percent chance of showers and thunderstorms before 1pm. Mostly sunny, with a high near 82. North northeast wind 5 to 10 mph.
Saturday Night
Partly cloudy, with a low around 64. East wind 5 to 10 mph.
Sunday
Sunny, with a high near 80.
Sunday Night
Mostly clear, with a low around 60.
Labor Day
Sunny, with a high near 81.
Monday Night
Partly cloudy, with a low around 62.
Tuesday
Mostly sunny, with a high near 86.
Tuesday Night
Partly cloudy, with a low around 70.
Wednesday
Mostly sunny, with a high near 89.
Wednesday Night
A chance of showers. Partly cloudy, with a low around 69.
Thursday
Mostly sunny, with a high near 83.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
South Haven IN
 41.55°N 87.14°W
Last Update:
5:51 pm CDT Sep 3, 2026
Forecast Valid:
6pm CDT Sep 3, 2026-6pm CDT Sep 10, 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