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

Hazardous Weather Conditions

Current conditions at

Gary Regional Airport (KGYY)

Lat: 41.61°NLon: 87.41°WElev: 584ft.

Overcast

81°F

27°C

Humidity 84%
Wind Speed Vrbl 5 mph
Barometer 29.96 in
Dewpoint 75°F (24°C)
Visibility 8.00 mi
Heat Index87°F (31°C)
Last update 2 Sep 3:55 am CDT
Extended Forecast for

Portage IN

Heat Advisory September 2, 12:00pm until September 2, 09:00pm
Click here for hazard details and duration
Heat Advisory

  • Today

    Today: Sunny, with a high near 91. Heat index values as high as 101. Southwest wind around 10 mph, with gusts as high as 15 mph.

    High: 91 °F

    Sunny

  • Tonight

    Tonight: Partly cloudy, with a low around 75. Southwest wind 5 to 10 mph.

    Low: 75 °F

    Partly Cloudy

  • Thursday

    Thursday: A 40 percent chance of showers and thunderstorms, mainly after 1pm. Mostly sunny, with a high near 90. Heat index values as high as 99. South southwest wind around 5 mph becoming north in the afternoon.

    High: 90 °F

    Chance
    T-storms

  • Thursday Night

    Thursday Night: A 50 percent chance of showers and thunderstorms, mainly after 1am. Partly cloudy, with a low around 73. North wind around 5 mph becoming south southeast in the evening.

    Low: 73 °F

    Slight Chance
    T-storms then
    Chance
    T-storms

  • Friday

    Friday: A 50 percent chance of showers and thunderstorms before 1pm. Partly sunny, with a high near 85. Southeast wind around 5 mph becoming north northeast in the afternoon.

    High: 85 °F

    Chance
    T-storms

  • Friday Night

    Friday Night: A 50 percent chance of showers and thunderstorms, mainly after 1am. Mostly cloudy, with a low around 72.

    Low: 72 °F

    Slight Chance
    T-storms then
    Chance
    T-storms

  • Saturday

    Saturday: A 30 percent chance of showers and thunderstorms, mainly before 1pm. Partly sunny, with a high near 82.

    High: 82 °F

    Chance
    T-storms

  • Saturday Night

    Saturday Night: A chance of showers after 1am. Partly cloudy, with a low around 68.

    Low: 68 °F

    Partly Cloudy
    then Chance
    Showers

  • Sunday

    Sunday: Mostly sunny, with a high near 81.

    High: 81 °F

    Mostly Sunny

Detailed Forecast

Today
Sunny, with a high near 91. Heat index values as high as 101. Southwest wind around 10 mph, with gusts as high as 15 mph.
Tonight
Partly cloudy, with a low around 75. Southwest wind 5 to 10 mph.
Thursday
A 40 percent chance of showers and thunderstorms, mainly after 1pm. Mostly sunny, with a high near 90. Heat index values as high as 99. South southwest wind around 5 mph becoming north in the afternoon.
Thursday Night
A 50 percent chance of showers and thunderstorms, mainly after 1am. Partly cloudy, with a low around 73. North wind around 5 mph becoming south southeast in the evening.
Friday
A 50 percent chance of showers and thunderstorms before 1pm. Partly sunny, with a high near 85. Southeast wind around 5 mph becoming north northeast in the afternoon.
Friday Night
A 50 percent chance of showers and thunderstorms, mainly after 1am. Mostly cloudy, with a low around 72.
Saturday
A 30 percent chance of showers and thunderstorms, mainly before 1pm. Partly sunny, with a high near 82.
Saturday Night
A chance of showers after 1am. Partly cloudy, with a low around 68.
Sunday
Mostly sunny, with a high near 81.
Sunday Night
Partly cloudy, with a low around 65.
Labor Day
Mostly sunny, with a high near 80.
Monday Night
Mostly cloudy, with a low around 65.
Tuesday
Partly sunny, with a high near 82.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Portage IN
 41.6°N 87.2°W
Last Update:
2:25 am CDT Sep 2, 2026
Forecast Valid:
4am CDT Sep 2, 2026-6pm CDT Sep 8, 2026
 
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Additional Resources

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Hourly Weather Forecast

National Digital Forecast Database

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation