Hazardous Weather Conditions
Current conditions at
Gary Regional Airport (KGYY)
Lat: 41.61°NLon: 87.41°WElev: 584ft.
Fair
82°F
28°C
| Humidity | 55% |
| Wind Speed | W 8 mph |
| Barometer | 29.85 in |
| Dewpoint | 64°F (18°C) |
| Visibility | 10.00 mi |
| Heat Index | 84°F (29°C) |
| Last update | 13 Oct 3:50 pm CDT |
Extended Forecast for
Merrillville IN
Tonight
Low: 62 °F
Chance
Showers then
Showers
LikelyWednesday

High: 67 °F
Chance
ShowersWednesday Night

Low: 54 °F
Mostly Cloudy
Thursday
High: 64 °F
Showers
Likely then
ShowersThursday Night

Low: 49 °F
Showers
Friday
High: 57 °F
Breezy.
Partly Sunny
then Slight
Chance
ShowersFriday Night

Low: 39 °F
Partly Cloudy
Saturday

High: 59 °F
Sunny
Saturday Night

Low: 38 °F
Mostly Clear
Detailed Forecast
Tonight
A chance of showers and thunderstorms before 1am, then showers likely and possibly a thunderstorm between 1am and 4am, then a chance of showers and thunderstorms after 4am. Increasing clouds, with a low around 62. West northwest wind around 5 mph becoming calm in the evening. Chance of precipitation is 70%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Wednesday
A chance of showers and thunderstorms before 8am, then a slight chance of showers between 8am and 3pm. Mostly cloudy, with a high near 67. North northeast wind 5 to 10 mph, with gusts as high as 15 mph. Chance of precipitation is 30%.
Wednesday Night
Mostly cloudy, with a low around 54. North northeast wind 5 to 10 mph, with gusts as high as 20 mph.
Thursday
A chance of showers and thunderstorms, then showers and possibly a thunderstorm after 7am. High near 64. East southeast wind 5 to 10 mph, with gusts as high as 15 mph. Chance of precipitation is 100%.
Thursday Night
Showers and possibly a thunderstorm before 1am, then a slight chance of showers. Low around 49. South wind 5 to 15 mph becoming northwest after midnight. Winds could gust as high as 25 mph. Chance of precipitation is 80%.
Friday
A 20 percent chance of showers after 1pm. Partly sunny, with a high near 57. Breezy.
Friday Night
Partly cloudy, with a low around 39.
Saturday
Sunny, with a high near 59.
Saturday Night
Mostly clear, with a low around 38.
Sunday
Sunny, with a high near 66.
Sunday Night
Partly cloudy, with a low around 46.
Monday
Partly sunny, with a high near 66.
Monday Night
Mostly cloudy, with a low around 48.
Tuesday
Mostly sunny, with a high near 71.
Additional Forecasts and Information
Basemap Options
Click map to change the forecast location
Loading map...
ABOUT THIS FORECAST
Point Forecast:
Merrillville IN
41.47°N 87.33°W
41.47°N 87.33°W
3:17 pm CDT Oct 13, 2026
4pm CDT Oct 13, 2026-6pm CDT Oct 20, 2026



