National Weather Service Forecast for: Gary IN
Issued by: National Weather Service Chicago, IL
Updated: 3:11 am CST Dec 5, 2025
 
Overnight

Overnight: Areas of freezing fog. Partly cloudy, with a low around 8. Wind chill values as low as -6. South wind around 10 mph, with gusts as high as 15 mph.
Areas
Freezing Fog

 Friday

Friday: Areas of freezing fog before 9am. Partly sunny, with a high near 27. Wind chill values as low as -5. South southwest wind 10 to 15 mph, with gusts as high as 25 mph.
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 31 by 2am. South southwest wind 10 to 15 mph, with gusts as high as 25 mph. Chance of precipitation is 30%.
Patchy Wintry
Mix

 Saturday

Saturday: Mostly cloudy, with a high near 30. West northwest wind 5 to 10 mph.
Mostly Cloudy

 Saturday
Night
Saturday Night: Snow likely after midnight. Cloudy, with a low around 23. Calm wind becoming south southeast around 5 mph after midnight. Chance of precipitation is 60%.
Mostly Cloudy
then Snow
Likely
 Sunday

Sunday: Snow likely, mainly before noon. Mostly cloudy, with a high near 32. Chance of precipitation is 70%.
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 13.
Slight Chance
Snow Showers
then Mostly
Cloudy
 Monday

Monday: Partly sunny, with a high near 22.
Partly Sunny

 Monday
Night
Monday Night: A chance of snow after midnight. Mostly cloudy, with a low around 16.
Mostly Cloudy
then Chance
Snow
Lo 8 °F Hi 27 °F Lo 25 °F⇑ Hi 30 °F Lo 23 °F Hi 32 °F Lo 13 °F Hi 22 °F Lo 16 °F

Hydrologic Outlook
Hazardous Weather Outlook
 

Overnight
 
 Areas of freezing fog. Partly cloudy, with a low around 8. Wind chill values as low as -6. South wind around 10 mph, with gusts as high as 15 mph.
Friday
 
 Areas of freezing fog before 9am. Partly sunny, with a high near 27. Wind chill values as low as -5. South southwest wind 10 to 15 mph, with gusts as high as 25 mph.
Friday Night
 
 Patchy snow and freezing rain after 9pm. Mostly cloudy, with a temperature rising to around 31 by 2am. South southwest wind 10 to 15 mph, with gusts as high as 25 mph. Chance of precipitation is 30%.
Saturday
 
 Mostly cloudy, with a high near 30. West northwest wind 5 to 10 mph.
Saturday Night
 
 Snow likely after midnight. Cloudy, with a low around 23. Calm wind becoming south southeast around 5 mph after midnight. Chance of precipitation is 60%.
Sunday
 
 Snow likely, mainly before noon. Mostly cloudy, with a high near 32. Chance of precipitation is 70%.
Sunday Night
 
 A 20 percent chance of snow showers before midnight. Mostly cloudy, with a low around 13.
Monday
 
 Partly sunny, with a high near 22.
Monday Night
 
 A chance of snow after midnight. Mostly cloudy, with a low around 16.
Tuesday
 
 Mostly cloudy, with a high near 36.
Tuesday Night
 
 Rain and snow likely. Cloudy, with a low around 30.
Wednesday
 
 Rain and snow likely. Cloudy, with a high near 36.
Wednesday Night
 
 A chance of snow. Mostly cloudy, with a low around 19.
Thursday
 
 A chance of snow. Partly sunny, with a high near 24.

 

Forecast from NOAA-NWS for Gary IN.