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National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce
7-Day Forecast 41.52°N 87.35°W (Text-Only)
NWS Forecast for: 3 Miles NW Merrillville IN
Issued by: National Weather Service Chicago, IL
Last Update: 1:50 am CST Dec 5, 2025		Print

  • Overnight

    Overnight: Patchy freezing fog. Partly cloudy, with a low around 4. Wind chill values as low as -8. South wind 5 to 10 mph.

    Low: 4 °F

    Patchy
    Freezing Fog


  • Friday

    Friday: Areas of freezing fog before 9am. Partly sunny, with a high near 26. Wind chill values as low as -6. South southwest wind 10 to 15 mph, with gusts as high as 20 mph.

    High: 26 °F

    Areas
    Freezing Fog
    then Mostly
    Sunny

  • Friday
    Night

    Friday Night: Patchy snow and freezing rain after 9pm. Mostly cloudy, with a temperature rising to around 30 by 1am. South southwest wind 5 to 15 mph, with gusts as high as 25 mph. Chance of precipitation is 30%.

    Low: 24 °F⇑

    Patchy Wintry
    Mix


  • Saturday

    Saturday: Mostly cloudy, with a high near 29. West wind around 5 mph becoming calm in the afternoon. Winds could gust as high as 15 mph.

    High: 29 °F

    Mostly Cloudy



  • Saturday
    Night

    Saturday Night: Snow likely after midnight. Cloudy, with a low around 20. Calm wind becoming southeast around 5 mph. Chance of precipitation is 60%.

    Low: 20 °F

    Mostly Cloudy
    then Snow
    Likely

  • Sunday

    Sunday: Snow likely, mainly before noon. Mostly cloudy, with a high near 31. Chance of precipitation is 70%.

    High: 31 °F

    Snow Likely
    then Slight
    Chance Snow

  • Sunday
    Night

    Sunday Night: A 20 percent chance of snow showers before midnight. Mostly cloudy, with a low around 9.

    Low: 9 °F

    Slight Chance
    Snow Showers
    then Mostly
    Cloudy

  • Monday

    Monday: Partly sunny, with a high near 21.

    High: 21 °F

    Partly Sunny



  • Monday
    Night

    Monday Night: A chance of snow after midnight. Mostly cloudy, with a low around 13.

    Low: 13 °F

    Mostly Cloudy
    then Chance
    Snow



    • Overnight: Patchy freezing fog. Partly cloudy, with a low around 4. Wind chill values as low as -8. South wind 5 to 10 mph.

    Friday: Areas of freezing fog before 9am. Partly sunny, with a high near 26. Wind chill values as low as -6. South southwest wind 10 to 15 mph, with gusts as high as 20 mph.

    Friday Night: Patchy snow and freezing rain after 9pm. Mostly cloudy, with a temperature rising to around 30 by 1am. South southwest wind 5 to 15 mph, with gusts as high as 25 mph. Chance of precipitation is 30%.

    Saturday: Mostly cloudy, with a high near 29. West wind around 5 mph becoming calm in the afternoon. Winds could gust as high as 15 mph.

    Saturday Night: Snow likely after midnight. Cloudy, with a low around 20. Calm wind becoming southeast around 5 mph. Chance of precipitation is 60%.

    Sunday: Snow likely, mainly before noon. Mostly cloudy, with a high near 31. Chance of precipitation is 70%.

    Sunday Night: A 20 percent chance of snow showers before midnight. Mostly cloudy, with a low around 9.

    Monday: Partly sunny, with a high near 21.

    Monday Night: A chance of snow after midnight. Mostly cloudy, with a low around 13.

    Tuesday: Mostly cloudy, with a high near 35.

    Tuesday Night: Rain and snow likely. Cloudy, with a low around 30.

    Wednesday: Rain and snow likely. Cloudy, with a high near 35.

    Wednesday Night: A chance of snow. Mostly cloudy, with a low around 16.

    Thursday: A chance of snow. Partly sunny, with a high near 24.


    3 Miles NW Merrillville IN
     41.52°N 87.35°W

    Visit your local NWS office at: https://www.weather.gov/lot