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.

Overcast

52°F

11°C

Humidity 100%
Wind Speed SW 9 G 16 mph
Barometer 29.73 in
Dewpoint 52°F (11°C)
Visibility 10.00 mi
Wind Chill49°F (9°C)
Last update 4 Nov 10:15 pm CST
Extended Forecast for

Merrillville IN

  • Tonight

    Tonight: Patchy drizzle. Cloudy, with a steady temperature around 52. Southwest wind 10 to 15 mph, with gusts as high as 25 mph.

    Low: 52 °F

    Patchy
    Drizzle

  • Thursday

    Thursday: A 40 percent chance of showers, mainly after 4pm. Cloudy, with a high near 53. West southwest wind 10 to 15 mph, with gusts as high as 25 mph.

    High: 53 °F

    Cloudy then
    Chance
    Showers

  • Thursday Night

    Thursday Night: Showers likely before 4am, then a slight chance of rain after 5am. Cloudy, with a low around 40. West wind 5 to 10 mph becoming north after midnight. Winds could gust as high as 15 mph. Chance of precipitation is 70%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 40 °F

    Showers
    Likely then
    Chance Rain

  • Friday

    Friday: A 30 percent chance of rain, mainly after noon. Mostly cloudy, with a high near 50. North northwest wind 10 to 15 mph, with gusts as high as 20 mph.

    High: 50 °F

    Chance Rain

  • Friday Night

    Friday Night: Mostly cloudy, with a low around 36. Northwest wind 5 to 10 mph, with gusts as high as 15 mph.

    Low: 36 °F

    Mostly Cloudy

  • Saturday

    Saturday: Mostly sunny, with a high near 50.

    High: 50 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 34.

    Low: 34 °F

    Mostly Clear

  • Sunday

    Sunday: Sunny, with a high near 56.

    High: 56 °F

    Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 36.

    Low: 36 °F

    Mostly Clear

Detailed Forecast

Tonight
Patchy drizzle. Cloudy, with a steady temperature around 52. Southwest wind 10 to 15 mph, with gusts as high as 25 mph.
Thursday
A 40 percent chance of showers, mainly after 4pm. Cloudy, with a high near 53. West southwest wind 10 to 15 mph, with gusts as high as 25 mph.
Thursday Night
Showers likely before 4am, then a slight chance of rain after 5am. Cloudy, with a low around 40. West wind 5 to 10 mph becoming north after midnight. Winds could gust as high as 15 mph. Chance of precipitation is 70%. New precipitation amounts of less than a tenth of an inch possible.
Friday
A 30 percent chance of rain, mainly after noon. Mostly cloudy, with a high near 50. North northwest wind 10 to 15 mph, with gusts as high as 20 mph.
Friday Night
Mostly cloudy, with a low around 36. Northwest wind 5 to 10 mph, with gusts as high as 15 mph.
Saturday
Mostly sunny, with a high near 50.
Saturday Night
Mostly clear, with a low around 34.
Sunday
Sunny, with a high near 56.
Sunday Night
Mostly clear, with a low around 36.
Monday
Sunny, with a high near 60.
Monday Night
Mostly clear, with a low around 40.
Tuesday
Sunny, with a high near 60.
Tuesday Night
Partly cloudy, with a low around 39.
Veterans Day
Mostly sunny, with a high near 60.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Merrillville IN
 41.49°N 87.32°W
Last Update:
8:16 pm CST Nov 4, 2026
Forecast Valid:
10pm CST Nov 4, 2026-6pm CST Nov 11, 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