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.

Fair

93°F

34°C

Humidity 47%
Wind Speed E 3 mph
Barometer 30.11 in
Dewpoint 70°F (21°C)
Visibility 10.00 mi
Heat Index99°F (37°C)
Last update 29 Jul 11:45 am CDT
Extended Forecast for

Portage IN

  • This Afternoon

    This Afternoon: Sunny, with a high near 90. Heat index values as high as 96. South wind around 5 mph becoming west northwest.

    High: 90 °F

    Sunny

  • Tonight

    Tonight: Partly cloudy, with a low around 73. South wind around 5 mph becoming north after midnight.

    Low: 73 °F

    Partly Cloudy

  • Wednesday

    Wednesday: A 40 percent chance of showers and thunderstorms. Mostly cloudy, with a high near 78. North northeast wind 5 to 10 mph increasing to 10 to 15 mph in the afternoon. Winds could gust as high as 20 mph.

    High: 78 °F

    Chance
    T-storms

  • Wednesday Night

    Wednesday Night: A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 1am. Mostly cloudy, with a low around 65. Northeast wind around 15 mph, with gusts as high as 25 mph. Chance of precipitation is 60%.

    Low: 65 °F

    Chance
    T-storms then
    Showers
    Likely

  • Thursday

    Thursday: A 30 percent chance of showers and thunderstorms before 1pm. Partly sunny, with a high near 74. North northeast wind around 15 mph, with gusts as high as 20 mph.

    High: 74 °F

    Chance
    T-storms then
    Chance
    Showers

  • Thursday Night

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

    Low: 60 °F

    Mostly Clear

  • Friday

    Friday: Sunny, with a high near 73.

    High: 73 °F

    Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 59.

    Low: 59 °F

    Mostly Clear

  • Saturday

    Saturday: Sunny, with a high near 76.

    High: 76 °F

    Sunny

Detailed Forecast

This Afternoon
Sunny, with a high near 90. Heat index values as high as 96. South wind around 5 mph becoming west northwest.
Tonight
Partly cloudy, with a low around 73. South wind around 5 mph becoming north after midnight.
Wednesday
A 40 percent chance of showers and thunderstorms. Mostly cloudy, with a high near 78. North northeast wind 5 to 10 mph increasing to 10 to 15 mph in the afternoon. Winds could gust as high as 20 mph.
Wednesday Night
A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 1am. Mostly cloudy, with a low around 65. Northeast wind around 15 mph, with gusts as high as 25 mph. Chance of precipitation is 60%.
Thursday
A 30 percent chance of showers and thunderstorms before 1pm. Partly sunny, with a high near 74. North northeast wind around 15 mph, with gusts as high as 20 mph.
Thursday Night
Mostly clear, with a low around 60.
Friday
Sunny, with a high near 73.
Friday Night
Mostly clear, with a low around 59.
Saturday
Sunny, with a high near 76.
Saturday Night
Mostly clear, with a low around 60.
Sunday
Sunny, with a high near 79.
Sunday Night
Partly cloudy, with a low around 63.
Monday
Mostly sunny, with a high near 81.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Portage IN
 41.6°N 87.17°W
Last Update:
11:41 am CDT Jul 29, 2025
Forecast Valid:
12pm CDT Jul 29, 2025-6pm CDT Aug 4, 2025
 
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