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August and Meteorological Summer 2026 Climate Summaries

Hazardous Weather Conditions

Current conditions at

Valparaiso Porter County Municipal Airport (KVPZ)

Lat: 41.45°NLon: 87°WElev: 768ft.

Fair

88°F

31°C

Humidity	70%
Wind Speed	SW 6 mph
Barometer	29.92 in (1012.3 mb)
Dewpoint	77°F (25°C)
Visibility	10.00 mi
Heat Index	100°F (38°C)
Last update	4 Sep 6:56 pm CDT

More Information:

Local Forecast Office More Local Wx 3 Day History Hourly Weather Forecast

Extended Forecast for

Tefft IN

Heat Advisory September 4, 07:34pm until September 4, 10:00pm

Click here for hazard details and duration

...

Heat Advisory September 4, 07:34pm until September 4, 10:00pm
NOW until 10:00pm Fri
Heat Advisory
Tonight
Low: 73 °F
Chance
T-storms
Saturday
High: 87 °F
Mostly Sunny
Saturday Night
Low: 62 °F
Partly Cloudy
Sunday
High: 81 °F
Mostly Sunny
Sunday Night
Low: 58 °F
Mostly Clear
Labor Day
High: 82 °F
Sunny
Monday Night
Low: 60 °F
Partly Cloudy
Tuesday
High: 88 °F
Mostly Sunny

Detailed Forecast

Tonight

A 30 percent chance of showers and thunderstorms, mainly between midnight and 4am. Partly cloudy, with a low around 73. Southwest wind around 5 mph becoming calm in the evening.

Saturday

Mostly sunny, with a high near 87. Heat index values as high as 95. West southwest wind 5 to 10 mph becoming east northeast in the morning. Winds could gust as high as 15 mph.

Saturday Night

Partly cloudy, with a low around 62. Northeast wind 5 to 10 mph, with gusts as high as 15 mph.

Sunday

Mostly sunny, with a high near 81. East northeast wind around 5 mph, with gusts as high as 10 mph.

Sunday Night

Mostly clear, with a low around 58. East wind around 5 mph.

Labor Day

Sunny, with a high near 82.

Monday Night

Partly cloudy, with a low around 60.

Tuesday

Mostly sunny, with a high near 88.