Severe Thunderstorms and Heavy Rain in the Central Plains; Dry Thunderstorms and Critical Fire Weather in the West

Severe thunderstorms and heavy rain may produce large to very-large hail, severe winds, tornadoes and numerous instances of flash flooding across portions of the central Plains. Scattered slow-moving storms will continue to bring a flash flooding threat to the central Gulf Coast. Elevated to critical fire weather conditions are expected across much of the western U.S.. Read More >

Current conditions at

Gary Regional Airport (KGYY)

Lat: 41.61°NLon: 87.41°WElev: 584ft.

Overcast

63°F

17°C

Humidity 100%
Wind Speed S 5 mph
Barometer 29.94 in
Dewpoint 63°F (17°C)
Visibility 10.00 mi
Last update 20 Jun 3:55 am CDT
Extended Forecast for

3 Miles N Merrillville IN

  • Overnight

    Overnight: A 20 percent chance of showers.  Partly cloudy, with a low around 60. West southwest wind around 10 mph.

    Low: 60 °F

    Slight Chance
    Showers

  • Saturday

    Saturday: Sunny, with a high near 77. West wind around 10 mph, with gusts as high as 20 mph.

    High: 77 °F

    Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 59. North northeast wind around 5 mph becoming calm  in the evening. Winds could gust as high as 15 mph.

    Low: 59 °F

    Partly Cloudy

  • Sunday

    Sunday: Showers, with thunderstorms also possible after 4pm.  High near 72. Light east southeast wind becoming east 5 to 10 mph in the morning. Winds could gust as high as 20 mph.  Chance of precipitation is 80%.

    High: 72 °F

    Chance
    Showers then
    Showers

  • Sunday Night

    Sunday Night: Showers and possibly a thunderstorm.  Low around 58. East northeast wind around 15 mph, with gusts as high as 25 mph.  Chance of precipitation is 90%.

    Low: 58 °F

    Showers

  • Monday

    Monday: A 20 percent chance of showers before 1pm.  Partly sunny, with a high near 69.

    High: 69 °F

    Slight Chance
    Showers

  • Monday Night

    Monday Night: Mostly clear, with a low around 54.

    Low: 54 °F

    Mostly Clear

  • Tuesday

    Tuesday: Mostly sunny, with a high near 73.

    High: 73 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 56.

    Low: 56 °F

    Mostly Clear

Detailed Forecast

Overnight
A 20 percent chance of showers. Partly cloudy, with a low around 60. West southwest wind around 10 mph.
Saturday
Sunny, with a high near 77. West wind around 10 mph, with gusts as high as 20 mph.
Saturday Night
Partly cloudy, with a low around 59. North northeast wind around 5 mph becoming calm in the evening. Winds could gust as high as 15 mph.
Sunday
Showers, with thunderstorms also possible after 4pm. High near 72. Light east southeast wind becoming east 5 to 10 mph in the morning. Winds could gust as high as 20 mph. Chance of precipitation is 80%.
Sunday Night
Showers and possibly a thunderstorm. Low around 58. East northeast wind around 15 mph, with gusts as high as 25 mph. Chance of precipitation is 90%.
Monday
A 20 percent chance of showers before 1pm. Partly sunny, with a high near 69.
Monday Night
Mostly clear, with a low around 54.
Tuesday
Mostly sunny, with a high near 73.
Tuesday Night
Mostly clear, with a low around 56.
Wednesday
A chance of showers. Mostly sunny, with a high near 76.
Wednesday Night
A chance of showers. Partly cloudy, with a low around 58.
Thursday
A chance of showers. Mostly sunny, with a high near 74.
Thursday Night
Partly cloudy, with a low around 57.
Friday
Mostly sunny, with a high near 76.
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ABOUT THIS FORECAST

 
Point Forecast:
3 Miles N Merrillville IN
 41.51°N 87.32°W
3:30 am CDT Jun 20, 2026
4am CDT Jun 20, 2026-6pm CDT Jun 26, 2026
 
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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