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

Low: 68 °F
Patchy Fog
Thursday
High: 78 °F
Patchy Fog
then Showers
LikelyThursday Night

Low: 66 °F
Showers
LikelyFriday

High: 80 °F
Chance
ShowersFriday Night

Low: 67 °F
Chance
T-stormsSaturday

High: 83 °F
Chance
T-stormsSaturday Night

Low: 71 °F
Chance
ShowersSunday
High: 84 °F
Partly Sunny
then Chance
T-stormsSunday Night

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.
Additional Forecasts and Information
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ABOUT THIS FORECAST
Point Forecast:
Merrillville IN
41.49°N 87.32°W
41.49°N 87.32°W
9:46 pm CDT Aug 12, 2026
11pm CDT Aug 12, 2026-6pm CDT Aug 19, 2026



