


News Headlines
Hazardous Weather Conditions
Current conditions at
Gary Regional Airport (KGYY)
Lat: 41.61°NLon: 87.41°WElev: 584ft.
Fair
64°F
18°C
Humidity | 100% |
Wind Speed | Calm |
Barometer | 30.21 in |
Dewpoint | 64°F (18°C) |
Visibility | 10.00 mi |
Last update | 3 Aug 7:45 am CDT |
Extended Forecast for
Merrillville IN
Today
High: 80 °F
Haze
Tonight
Low: 59 °F
Haze
Monday
High: 82 °F
Mostly Sunny
Monday Night
Low: 63 °F
Partly Cloudy
Tuesday
High: 82 °F
Mostly Sunny
then Slight
Chance
T-stormsTuesday Night
Low: 64 °F
Partly Cloudy
Wednesday
High: 84 °F
Sunny
Wednesday Night
Low: 65 °F
Mostly Clear
Thursday
High: 86 °F
Mostly Sunny
Detailed Forecast
Today
Widespread haze. Patchy smoke. Mostly sunny, with a high near 80. Light east wind increasing to 5 to 10 mph in the morning.
Tonight
Widespread haze. Patchy smoke. Partly cloudy, with a low around 59. Northeast wind around 5 mph.
Monday
Mostly sunny, with a high near 82. East wind around 5 mph, with gusts as high as 10 mph.
Monday Night
Partly cloudy, with a low around 63. East southeast wind around 5 mph.
Tuesday
A 20 percent chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 82. East southeast wind around 5 mph, with gusts as high as 10 mph.
Tuesday Night
Partly cloudy, with a low around 64.
Wednesday
Sunny, with a high near 84.
Wednesday Night
Mostly clear, with a low around 65.
Thursday
Mostly sunny, with a high near 86.
Thursday Night
Mostly clear, with a low around 68.
Friday
Mostly sunny, with a high near 87.
Friday Night
Partly cloudy, with a low around 69.
Saturday
Mostly sunny, with a high near 89.
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
4:11 am CDT Aug 3, 2025
8am CDT Aug 3, 2025-6pm CDT Aug 9, 2025