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

Gary Regional Airport (KGYY)

Lat: 41.61°NLon: 87.41°WElev: 584ft.

Mostly Cloudy

64°F

18°C

Humidity 100%
Wind Speed N 9 mph
Barometer 29.97 in
Dewpoint 64°F (18°C)
Visibility 9.00 mi
Last update 14 Oct 6:50 am CDT
Extended Forecast for

2 Miles WNW Merrillville IN

  • Today

    Today: A chance of showers and thunderstorms before 10am, then isolated showers between 10am and 1pm. Mostly cloudy, with a high near 65. North northeast wind 5 to 10 mph, with gusts as high as 20 mph. Chance of precipitation is 40%.

    High: 65 °F

    Chance
    T-storms then
    Isolated
    Showers

  • Tonight

    Tonight: A 20 percent chance of rain after 4am. Mostly cloudy, with a low around 56. North northeast wind 5 to 10 mph, with gusts as high as 15 mph.

    Low: 56 °F

    Mostly Cloudy
    then Slight
    Chance Rain

  • Thursday

    Thursday: A chance of rain, then rain and possibly a thunderstorm after 1pm. High near 62. East southeast wind 5 to 10 mph, with gusts as high as 15 mph. Chance of precipitation is 100%. New rainfall amounts between a quarter and half of an inch possible.

    High: 62 °F

    Chance Rain
    then Rain

  • Thursday Night

    Thursday Night: Rain and possibly a thunderstorm before 1am, then rain likely. Low around 52. South southeast wind 5 to 15 mph becoming northwest after midnight. Winds could gust as high as 25 mph. Chance of precipitation is 80%.

    Low: 52 °F

    Rain

  • Friday

    Friday: A 40 percent chance of rain. Partly sunny, with a high near 56. Breezy, with a northwest wind 15 to 20 mph, with gusts as high as 35 mph.

    High: 56 °F

    Chance Rain
    and Breezy

  • Friday Night

    Friday Night: Mostly cloudy, with a low around 44. Breezy.

    Low: 44 °F

    Mostly Cloudy
    and Breezy
    then Partly
    Cloudy

  • Saturday

    Saturday: Sunny, with a high near 56.

    High: 56 °F

    Sunny

  • Saturday Night

    Saturday Night: Clear, with a low around 39.

    Low: 39 °F

    Clear

  • Sunday

    Sunday: Sunny, with a high near 66.

    High: 66 °F

    Sunny

Detailed Forecast

Today
A chance of showers and thunderstorms before 10am, then isolated showers between 10am and 1pm. Mostly cloudy, with a high near 65. North northeast wind 5 to 10 mph, with gusts as high as 20 mph. Chance of precipitation is 40%.
Tonight
A 20 percent chance of rain after 4am. Mostly cloudy, with a low around 56. North northeast wind 5 to 10 mph, with gusts as high as 15 mph.
Thursday
A chance of rain, then rain and possibly a thunderstorm after 1pm. High near 62. East southeast wind 5 to 10 mph, with gusts as high as 15 mph. Chance of precipitation is 100%. New rainfall amounts between a quarter and half of an inch possible.
Thursday Night
Rain and possibly a thunderstorm before 1am, then rain likely. Low around 52. South southeast wind 5 to 15 mph becoming northwest after midnight. Winds could gust as high as 25 mph. Chance of precipitation is 80%.
Friday
A 40 percent chance of rain. Partly sunny, with a high near 56. Breezy, with a northwest wind 15 to 20 mph, with gusts as high as 35 mph.
Friday Night
Mostly cloudy, with a low around 44. Breezy.
Saturday
Sunny, with a high near 56.
Saturday Night
Clear, with a low around 39.
Sunday
Sunny, with a high near 66.
Sunday Night
Partly cloudy, with a low around 46.
Monday
Partly sunny, with a high near 68.
Monday Night
Partly cloudy, with a low around 47.
Tuesday
Sunny, with a high near 71.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
2 Miles WNW Merrillville IN
 41.47°N 87.35°W
Last Update:
5:46 am CDT Oct 14, 2026
Forecast Valid:
6am CDT Oct 14, 2026-6pm CDT Oct 20, 2026
 
Forecast Discussion
 
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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