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

Hazardous Weather Conditions

Current conditions at

Gary Regional Airport (KGYY)

Lat: 41.61°NLon: 87.41°WElev: 584ft.

Light Snow Haze

21°F

-6°C

Humidity 80%
Wind Speed NW 17 mph
Barometer 30.34 in
Dewpoint 16°F (-9°C)
Visibility 5.00 mi
Wind Chill7°F (-14°C)
Last update 23 Feb 12:15 am CST
Extended Forecast for

Merrillville IN

  • Overnight

    Overnight: Snow showers. Low around 19. Blustery, with a northwest wind 15 to 20 mph, with gusts as high as 30 mph. Chance of precipitation is 80%. Total nighttime snow accumulation of less than one inch possible.

    Low: 19 °F

    Snow Showers
    and Blustery

  • Monday

    Monday: Snow showers likely before 9am, then scattered snow showers with intermittent flurries between 9am and noon. Partly sunny, with a high near 28. Blustery, with a north northwest wind 10 to 20 mph, with gusts as high as 30 mph. Chance of precipitation is 60%. New snow accumulation of less than a half inch possible.

    High: 28 °F

    Blustery.
    Snow Showers
    Likely then
    Partly Sunny

  • Monday Night

    Monday Night: Mostly cloudy, with a low around 18. North northwest wind 5 to 10 mph becoming south after midnight.

    Low: 18 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: A 20 percent chance of snow after noon. Mostly cloudy, with a high near 40. Breezy, with a south wind 10 to 15 mph increasing to 20 to 25 mph in the afternoon. Winds could gust as high as 40 mph.

    High: 40 °F

    Breezy.
    Mostly Cloudy
    then Slight
    Chance Snow

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 26. Breezy, with a west wind 15 to 20 mph, with gusts as high as 30 mph.

    Low: 26 °F

    Mostly Cloudy
    and Breezy
    then Mostly
    Cloudy

  • Wednesday

    Wednesday: Mostly sunny, with a high near 38.

    High: 38 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Snow likely, mainly after midnight. Mostly cloudy, with a low around 26. Chance of precipitation is 60%.

    Low: 26 °F

    Snow Likely

  • Thursday

    Thursday: A chance of snow before noon. Partly sunny, with a high near 36.

    High: 36 °F

    Chance Snow
    then Partly
    Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 22.

    Low: 22 °F

    Partly Cloudy

Detailed Forecast

Overnight
Snow showers. Low around 19. Blustery, with a northwest wind 15 to 20 mph, with gusts as high as 30 mph. Chance of precipitation is 80%. Total nighttime snow accumulation of less than one inch possible.
Monday
Snow showers likely before 9am, then scattered snow showers with intermittent flurries between 9am and noon. Partly sunny, with a high near 28. Blustery, with a north northwest wind 10 to 20 mph, with gusts as high as 30 mph. Chance of precipitation is 60%. New snow accumulation of less than a half inch possible.
Monday Night
Mostly cloudy, with a low around 18. North northwest wind 5 to 10 mph becoming south after midnight.
Tuesday
A 20 percent chance of snow after noon. Mostly cloudy, with a high near 40. Breezy, with a south wind 10 to 15 mph increasing to 20 to 25 mph in the afternoon. Winds could gust as high as 40 mph.
Tuesday Night
Mostly cloudy, with a low around 26. Breezy, with a west wind 15 to 20 mph, with gusts as high as 30 mph.
Wednesday
Mostly sunny, with a high near 38.
Wednesday Night
Snow likely, mainly after midnight. Mostly cloudy, with a low around 26. Chance of precipitation is 60%.
Thursday
A chance of snow before noon. Partly sunny, with a high near 36.
Thursday Night
Partly cloudy, with a low around 22.
Friday
Sunny, with a high near 49.
Friday Night
Partly cloudy, with a low around 33.
Saturday
Mostly sunny, with a high near 47.
Saturday Night
Mostly cloudy, with a low around 24.
Sunday
Partly sunny, with a high near 36.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Merrillville IN
 41.47°N 87.33°W
Last Update:
11:56 pm CST Feb 22, 2026
Forecast Valid:
1am CST Feb 23, 2026-6pm CST Mar 1, 2026
 
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Additional Resources

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation