• Tonight

    Dec 17

    Lo 23°

    Mostly cloudy

    Home Energy Efficiency Weather
    • Avg
      RealFeel
      19°
    • Hi
      RealFeel
      18°
    • Wind
      Speed
      12 mph
  • Thu

    Dec 18

    31°Lo 23°

    Mostly cloudy

    Good for home energy
    • Avg
      RealFeel
      27°
    • Hi
      RealFeel
      31°
    • Wind
      Speed
      5 mph
    more
  • Fri

    Dec 19

    34°Lo 25°

    Mostly cloudy

    Good for home energy
    • Avg
      RealFeel
      30°
    • Hi
      RealFeel
      36°
    • Wind
      Speed
      2 mph
    more
  • Sat

    Dec 20

    36°Lo 24°

    Mostly cloudy

    Good for home energy
    • Avg
      RealFeel
      30°
    • Hi
      RealFeel
      36°
    • Wind
      Speed
      4 mph
    more
  • Sun

    Dec 21

    38°Lo 29°

    Intervals of clouds and sun

    Good for home energy
    • Avg
      RealFeel
      28°
    • Hi
      RealFeel
      36°
    • Wind
      Speed
      6 mph
    more
Next Previous
Hi 29° RealFeel® 18° Precipitation 1%

Day

N

E

S

W

  • WNW 12 mph
  • Gusts: 22 mph

Breezy this morning; otherwise, cloudy and colder

  • Max UV Index: 0 (Low)
  • Thunderstorms: 0%
  • Precipitation: 0 in
  • Rain: 0 in
  • Snow: 0 in
  • Ice: 0 in
  • Hours of Precipitation: 0 hrs
  • Hours of Rain: 0 hrs
Lo 23° RealFeel® 19° Precipitation 1%

Night

N

E

S

W

  • WNW 6 mph
  • Gusts: 10 mph

Mostly cloudy

  • Max UV Index: N/A
  • Thunderstorms: 0%
  • Precipitation: 0 in
  • Rain: 0 in
  • Snow: 0 in
  • Ice: 0 in
  • Hours of Precipitation: 0 hrs
  • Hours of Rain: 0 hrs

Temperature History - Dec 17

more Historical Weather Data >
  Today Normal Record 12/17/2013
High 29° 36° N/A 35°
Low 23° 20° N/A 19°

Sunrise/Sunset

Sunrise / Sunset Illustration

Rises at 7:10 AM with 9:11 of sunlight, then sets at 4:21 PM

Moonrise/Moonset

Astronomy >
Moonrise / Moonset Illustration

Rises at 2:20 AM with 11:07 of moolight, then sets at 1:27 PM

Merrillville Weather Report

Chicago: White Christmas in the Offing

December 17, 2014; 6:33 PM ET

While the next couple of days will be tranquil for the Chicago area, Christmas Eve could deliver enough snow to blanket the city. more >

Energy Efficient Lightbulbs and S.A.D

Sep 8, 2012; 5:00 AM ET With shorter days and colder nights in the fall and winter, some people develop seasonal affective disorder. When shopping for lightbulbs to treat the 'winter blues,'consider energy-efficient bulbs.

Wed. Home Energy Efficiency

Wed. Degree Days

Wed. UV Index