Hazardous Weather Conditions
Current conditions at
Gary Regional Airport (KGYY)
Lat: 41.61°NLon: 87.41°WElev: 584ft.
Fog/Mist
73°F
23°C
| Humidity | 100% |
| Wind Speed | Vrbl 3 mph |
| Barometer | 30.08 in |
| Dewpoint | 73°F (23°C) |
| Visibility | 3.00 mi |
| Last update | 15 Aug 3:15 am CDT |
Extended Forecast for
Merrillville IN
Flood Watch August 15, 03:33am until August 15, 10:00am
NOW until 10:00am Sat
Flood Watch
Overnight
Low: 70 °F
Showers
LikelySaturday
High: 80 °F
Heavy Rain
Saturday Night
Low: 72 °F
Slight Chance
Showers then
Chance
T-stormsSunday
High: 83 °F
Chance
T-stormsSunday Night
Low: 67 °F
Partly Cloudy
Monday
High: 78 °F
Sunny
Monday Night
Low: 61 °F
Mostly Clear
Tuesday
High: 80 °F
Mostly Sunny
Detailed Forecast
Overnight
A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 5am. Cloudy, with a low around 70. Southeast wind around 5 mph. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Saturday
Showers and possibly a thunderstorm, mainly before 2pm, then a chance of showers and thunderstorms after 2pm. Some of the storms could produce heavy rainfall. High near 80. Southeast wind 5 to 10 mph becoming south southwest in the afternoon. Winds could gust as high as 15 mph. Chance of precipitation is 90%. New rainfall amounts between 1 and 2 inches possible.
Saturday Night
A slight chance of showers, then a chance of showers and thunderstorms after 4am. Mostly cloudy, with a low around 72. West southwest wind around 5 mph, with gusts as high as 10 mph. Chance of precipitation is 30%.
Sunday
A chance of showers and thunderstorms before 11am, then a slight chance of showers and thunderstorms after noon. Mostly cloudy, with a high near 83. West northwest wind around 10 mph, with gusts as high as 15 mph. Chance of precipitation is 40%.
Sunday Night
Partly cloudy, with a low around 67. North wind around 5 mph, with gusts as high as 10 mph.
Monday
Sunny, with a high near 78.
Monday Night
Mostly clear, with a low around 61.
Tuesday
Mostly sunny, with a high near 80.
Tuesday Night
A chance of showers after 1am. Mostly cloudy, with a low around 66.
Wednesday
A chance of showers and thunderstorms. Partly sunny, with a high near 78.
Wednesday Night
Mostly cloudy, with a low around 60.
Thursday
Mostly sunny, with a high near 72.
Thursday Night
Partly cloudy, with a low around 57.
Friday
Mostly sunny, with a high near 73.
Additional Forecasts and Information
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Forecast AreaABOUT THIS FORECAST
Point Forecast:
Merrillville IN
41.47°N 87.33°W
41.47°N 87.33°W
3:11 am CDT Aug 15, 2026
3am CDT Aug 15, 2026-6pm CDT Aug 21, 2026
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