National Weather Service Forecast for: 3 Miles NW Merrillville IN
Issued by: National Weather Service Chicago, IL
Updated: 2:41 pm CST Feb 2, 2026
 
Tonight

Tonight: A chance of snow between 1am and 5am.  Mostly cloudy, with a low around 17. West northwest wind around 5 mph.  Chance of precipitation is 30%.
Mostly Cloudy
then Chance
Snow
Tuesday

Tuesday: A 20 percent chance of snow showers.  Mostly cloudy, with a high near 27. North wind 5 to 10 mph, with gusts as high as 15 mph.
Slight Chance
Snow Showers
Tuesday
Night
Tuesday Night: A 20 percent chance of snow showers.  Mostly cloudy, with a low around 13. North wind around 5 mph becoming calm  in the evening. Winds could gust as high as 15 mph.
Slight Chance
Snow Showers
Wednesday

Wednesday: Partly sunny, with a high near 26. West northwest wind around 5 mph.
Partly Sunny

Wednesday
Night
Wednesday Night: Partly cloudy, with a low around 11. West southwest wind around 5 mph.
Partly Cloudy

Thursday

Thursday: Partly sunny, with a high near 30.
Partly Sunny

Thursday
Night
Thursday Night: A 20 percent chance of snow after midnight.  Mostly cloudy, with a low around 24.
Mostly Cloudy
then Slight
Chance Snow
Friday

Friday: Mostly cloudy, with a high near 35.
Mostly Cloudy

Friday
Night
Friday Night: Partly cloudy, with a low around 11.
Partly Cloudy

Lo 17 °F Hi 27 °F Lo 13 °F Hi 26 °F Lo 11 °F Hi 30 °F Lo 24 °F Hi 35 °F Lo 11 °F

Hazardous Weather Outlook
 

Tonight
 
A chance of snow between 1am and 5am. Mostly cloudy, with a low around 17. West northwest wind around 5 mph. Chance of precipitation is 30%.
Tuesday
 
A 20 percent chance of snow showers. Mostly cloudy, with a high near 27. North wind 5 to 10 mph, with gusts as high as 15 mph.
Tuesday Night
 
A 20 percent chance of snow showers. Mostly cloudy, with a low around 13. North wind around 5 mph becoming calm in the evening. Winds could gust as high as 15 mph.
Wednesday
 
Partly sunny, with a high near 26. West northwest wind around 5 mph.
Wednesday Night
 
Partly cloudy, with a low around 11. West southwest wind around 5 mph.
Thursday
 
Partly sunny, with a high near 30.
Thursday Night
 
A 20 percent chance of snow after midnight. Mostly cloudy, with a low around 24.
Friday
 
Mostly cloudy, with a high near 35.
Friday Night
 
Partly cloudy, with a low around 11.
Saturday
 
Mostly sunny, with a high near 24.
Saturday Night
 
Mostly cloudy, with a low around 12.
Sunday
 
Partly sunny, with a high near 29.
Sunday Night
 
Partly cloudy, with a low around 13.
Monday
 
Mostly sunny, with a high near 33.

 

Forecast from NOAA-NWS for 3 Miles NW Merrillville IN.