Coastal and Marine Impacts from Imelda and Humberto as Both Track Away from the Southeast U.S.

Swells and high surf from both Imelda and Humberto are expected to bring dangerous marine and rip current conditions to the east coast of Florida and Georgia today, spreading north along much of the east coast of the U.S. this week. Heavy rainfall north and west of Imelda falling across coastal Florida and Georgia into the Carolinas could cause isolated flash and urban flooding through Tuesday. Read More >

Current conditions at

Gary Regional Airport (KGYY)

Lat: 41.61°NLon: 87.41°WElev: 584ft.

Fair

79°F

26°C

Humidity 58%
Wind Speed E 9 mph
Barometer 30.17 in
Dewpoint 63°F (17°C)
Visibility 10.00 mi
Heat Index81°F (27°C)
Last update 29 Sep 5:50 pm CDT
Extended Forecast for

3 Miles N Merrillville IN

  • Tonight

    Tonight: Mostly clear, with a low around 59. Northeast wind around 5 mph becoming calm  in the evening.

    Low: 59 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 78. Northeast wind 5 to 10 mph.

    High: 78 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 57. North northeast wind around 5 mph becoming east after midnight. Winds could gust as high as 15 mph.

    Low: 57 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Partly sunny, with a high near 78. East wind 5 to 10 mph.

    High: 78 °F

    Partly Sunny

  • Wednesday Night

    Wednesday Night: Mostly cloudy, with a low around 54. East southeast wind 5 to 10 mph.

    Low: 54 °F

    Mostly Cloudy

  • Thursday

    Thursday: Partly sunny, with a high near 79.

    High: 79 °F

    Partly Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 57.

    Low: 57 °F

    Mostly Clear

  • Friday

    Friday: Sunny, with a high near 84.

    High: 84 °F

    Sunny

  • Friday Night

    Friday Night: Clear, with a low around 62.

    Low: 62 °F

    Clear

Detailed Forecast

Tonight
Mostly clear, with a low around 59. Northeast wind around 5 mph becoming calm in the evening.
Tuesday
Sunny, with a high near 78. Northeast wind 5 to 10 mph.
Tuesday Night
Partly cloudy, with a low around 57. North northeast wind around 5 mph becoming east after midnight. Winds could gust as high as 15 mph.
Wednesday
Partly sunny, with a high near 78. East wind 5 to 10 mph.
Wednesday Night
Mostly cloudy, with a low around 54. East southeast wind 5 to 10 mph.
Thursday
Partly sunny, with a high near 79.
Thursday Night
Mostly clear, with a low around 57.
Friday
Sunny, with a high near 84.
Friday Night
Clear, with a low around 62.
Saturday
Sunny, with a high near 84.
Saturday Night
Partly cloudy, with a low around 62.
Sunday
Mostly sunny, with a high near 83.
Sunday Night
Partly cloudy, with a low around 62.
Monday
Sunny, with a high near 83.
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ABOUT THIS FORECAST

 
Point Forecast:
3 Miles N Merrillville IN
 41.51°N 87.32°W
4:12 pm CDT Sep 29, 2025
6pm CDT Sep 29, 2025-6pm CDT Oct 6, 2025
 
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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