National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

Fire Weather Concerns in the Northern and Central Plains; Severe Thunderstorms in the Upper Midwest

Dry and breezy conditions will bring elevated to critical fire weather conditions across portions of the northern and central High Plains through Saturday, where fuels remain largely receptive. Severe thunderstorms are possible across portions of central Nebraska to the Upper Midwest this afternoon into tonight. Read More >

Current conditions at

Gary Regional Airport (KGYY)

Lat: 41.61°NLon: 87.41°WElev: 584ft.

Fair

61°F

16°C

Humidity 100%
Wind Speed Calm
Barometer 30.04 in
Dewpoint 61°F (16°C)
Visibility 10.00 mi
Last update 11 Sep 7:50 am CDT
Extended Forecast for

Merrillville IN

  • Today

    Today: Sunny, with a high near 82. East southeast wind around 5 mph.

    High: 82 °F

    Sunny

  • Tonight

    Tonight: Mostly clear, with a low around 63. East southeast wind around 5 mph.

    Low: 63 °F

    Mostly Clear

  • Saturday

    Saturday: Mostly sunny, with a high near 86. South wind 5 to 10 mph becoming west southwest in the afternoon.

    High: 86 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 66. West wind around 5 mph becoming north northwest after midnight.

    Low: 66 °F

    Partly Cloudy

  • Sunday

    Sunday: A 20 percent chance of showers after 1pm. Mostly sunny, with a high near 79. North wind 5 to 10 mph.

    High: 79 °F

    Mostly Sunny
    then Slight
    Chance
    Showers

  • Sunday Night

    Sunday Night: A 20 percent chance of showers. Mostly cloudy, with a low around 59.

    Low: 59 °F

    Slight Chance
    Showers

  • Monday

    Monday: A 20 percent chance of showers and thunderstorms before 1pm. Partly sunny, with a high near 82.

    High: 82 °F

    Slight Chance
    T-storms

  • Monday Night

    Monday Night: A chance of showers after 1am. Partly cloudy, with a low around 69.

    Low: 69 °F

    Partly Cloudy
    then Chance
    Showers

  • Tuesday

    Tuesday: A chance of showers and thunderstorms after 1pm. Partly sunny, with a high near 85.

    High: 85 °F

    Mostly Sunny
    then Chance
    T-storms

Detailed Forecast

Today
Sunny, with a high near 82. East southeast wind around 5 mph.
Tonight
Mostly clear, with a low around 63. East southeast wind around 5 mph.
Saturday
Mostly sunny, with a high near 86. South wind 5 to 10 mph becoming west southwest in the afternoon.
Saturday Night
Partly cloudy, with a low around 66. West wind around 5 mph becoming north northwest after midnight.
Sunday
A 20 percent chance of showers after 1pm. Mostly sunny, with a high near 79. North wind 5 to 10 mph.
Sunday Night
A 20 percent chance of showers. Mostly cloudy, with a low around 59.
Monday
A 20 percent chance of showers and thunderstorms before 1pm. Partly sunny, with a high near 82.
Monday Night
A chance of showers after 1am. Partly cloudy, with a low around 69.
Tuesday
A chance of showers and thunderstorms after 1pm. Partly sunny, with a high near 85.
Tuesday Night
Showers likely, mainly after 1am. Mostly cloudy, with a low around 62.
Wednesday
Showers likely. Mostly cloudy, with a high near 80.
Wednesday Night
Showers likely. Mostly cloudy, with a low around 63.
Thursday
A chance of showers. Partly sunny, with a high near 81.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Merrillville IN
 41.47°N 87.35°W
Last Update:
3:10 am CDT Sep 11, 2026
Forecast Valid:
8am CDT Sep 11, 2026-6pm CDT Sep 17, 2026
 
Forecast Discussion
 
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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

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation