Hazardous Weather Conditions

Current conditions at

Gary Regional Airport (KGYY)

Lat: 41.61°NLon: 87.41°WElev: 584ft.

75°F

24°C

Humidity 100%
Wind Speed SW 5 mph
Barometer 29.89 in
Dewpoint 75°F (24°C)
Visibility 10.00 mi
Last update 12 Aug 9:50 pm CDT
Extended Forecast for

Merrillville IN

  • Tonight

    Tonight: Patchy fog after 1am.  Otherwise, mostly cloudy, with a low around 68. Southwest wind around 5 mph becoming calm.

    Low: 68 °F

    Patchy Fog

  • Thursday

    Thursday: A slight chance of showers before 1pm, then a chance of showers and thunderstorms between 1pm and 3pm, then showers likely and possibly a thunderstorm after 3pm.  Patchy fog before 9am.  Otherwise, mostly cloudy, with a high near 78. Calm wind becoming east around 5 mph in the morning.  Chance of precipitation is 60%. New rainfall amounts between a quarter and half of an inch possible.

    High: 78 °F

    Patchy Fog
    then Showers
    Likely

  • Thursday Night

    Thursday Night: Showers likely and possibly a thunderstorm.  Cloudy, with a low around 66. East wind around 5 mph.  Chance of precipitation is 60%. New rainfall amounts between a half and three quarters of an inch possible.

    Low: 66 °F

    Showers
    Likely

  • Friday

    Friday: A chance of showers, with thunderstorms also possible after 10am.  Mostly cloudy, with a high near 80. East wind around 5 mph, with gusts as high as 10 mph.  Chance of precipitation is 50%.

    High: 80 °F

    Chance
    Showers

  • Friday Night

    Friday Night: A 50 percent chance of showers and thunderstorms.  Mostly cloudy, with a low around 67. East wind around 5 mph, with gusts as high as 15 mph.

    Low: 67 °F

    Chance
    T-storms

  • Saturday

    Saturday: A 50 percent chance of showers and thunderstorms, mainly before 1pm.  Mostly cloudy, with a high near 83.

    High: 83 °F

    Chance
    T-storms

  • Saturday Night

    Saturday Night: A 30 percent chance of showers and thunderstorms.  Mostly cloudy, with a low around 71.

    Low: 71 °F

    Chance
    Showers

  • Sunday

    Sunday: A chance of showers and thunderstorms after 1pm.  Partly sunny, with a high near 84.

    High: 84 °F

    Partly Sunny
    then Chance
    T-storms

  • Sunday Night

    Sunday Night: A chance of showers before 1am.  Mostly cloudy, with a low around 67.

    Low: 67 °F

    Chance
    Showers

Detailed Forecast

Tonight
Patchy fog after 1am. Otherwise, mostly cloudy, with a low around 68. Southwest wind around 5 mph becoming calm.
Thursday
A slight chance of showers before 1pm, then a chance of showers and thunderstorms between 1pm and 3pm, then showers likely and possibly a thunderstorm after 3pm. Patchy fog before 9am. Otherwise, mostly cloudy, with a high near 78. Calm wind becoming east around 5 mph in the morning. Chance of precipitation is 60%. New rainfall amounts between a quarter and half of an inch possible.
Thursday Night
Showers likely and possibly a thunderstorm. Cloudy, with a low around 66. East wind around 5 mph. Chance of precipitation is 60%. New rainfall amounts between a half and three quarters of an inch possible.
Friday
A chance of showers, with thunderstorms also possible after 10am. Mostly cloudy, with a high near 80. East wind around 5 mph, with gusts as high as 10 mph. Chance of precipitation is 50%.
Friday Night
A 50 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 67. East wind around 5 mph, with gusts as high as 15 mph.
Saturday
A 50 percent chance of showers and thunderstorms, mainly before 1pm. Mostly cloudy, with a high near 83.
Saturday Night
A 30 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 71.
Sunday
A chance of showers and thunderstorms after 1pm. Partly sunny, with a high near 84.
Sunday Night
A chance of showers before 1am. Mostly cloudy, with a low around 67.
Monday
Mostly sunny, with a high near 77.
Monday Night
Partly cloudy, with a low around 62.
Tuesday
Mostly sunny, with a high near 79.
Tuesday Night
Partly cloudy, with a low around 64.
Wednesday
Mostly sunny, with a high near 81.
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ABOUT THIS FORECAST

 
Point Forecast:
Merrillville IN
 41.49°N 87.32°W
9:46 pm CDT Aug 12, 2026
11pm CDT Aug 12, 2026-6pm CDT Aug 19, 2026
 
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Additional Resources

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Hourly Weather Forecast

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