Local 0:00Play0:00 / 2:24MuteShareToggle FullscreenAugust 18, 2017 5:45 pmThe Science Behind the Eclipse Ever wondered about the science behind an eclipse? NBC 5 Meteorologist Pete Sack has all the info you need. BOOKMARKERMore Videos VideosSlide 1 of 312:24Now PlayingThe Science Behind the Eclipse2:20Chicago Forecast: Warmer weekend weather1:52Stock market roller coaster continues, experts weigh in2:31Chicago's Forecast: March Ends on a Chilly Note2:07Chicago Forecast: Strong storms this afternoon2:25Chicago Forecast: Strong storms possible Sunday2:23Chicago's Forecast: More Rain On The Way2:23Chicago's Forecast: Shufflin' Through Some Rain2:47Suburban hospital participates in clinical trial searching for long covid cure2:12Chicago Forecast: Sunday snow2:26Chicago's Forecast: Shamrocks and Snowflakes2:29Chicago Forecast: Lake-influenced temperature swings this week2:28Chicago's Forecast: Feeling Like Spring!2:27CHICAGO FORECAST: Mostly sunny skies, warmer temperatures2:24Chicago Forecast: Feeling more like spring2:17CHICAGO FORECAST: Soggy Tuesday2:24CHICAGO FORECAST: Rain Moves In Overnight2:26Chicago's Forecast: Warm-up Begins2:21Chicago Forecast: Cold weekend to start meteorological spring2:23CHICAGO FORECAST: Mild, Breezy Thursday2:08CHICAGO FORECAST: Mild, Few Showers Wednesday2:37Chicago's Forecast: Above Normal Temps This Week2:11Chicago Forecast: Warm final week of February2:00Chicago Forecast: Above freezing temps for the first time in a week2:18CHICAGO FORECAST: Warming Up This Weekend2:19CHICAGO FORECAST: Another Cold Night, Just Not As Cold2:29Chicago's Forecast: Another Arctic Blast2:28Chicago Forecast: Cold weather advisories tonight2:18Chicago's Forecast: A Little Snow, Then Very Cold!2:23Chicago Forecast: Snow showers; wintry mix before arctic air arrives2:24Chicago's Forecast: Prepare For Snow!NewsLive TVSearchSearch Videos:LocalUS & World VideosEntertainment VideosChicago TodayInvestigationsNBC 5 RespondsLatest2:05CPD hosts walk for families impacted by gun violence2:20Chicago Forecast: Warmer weekend weather1:45Anthony Michael Halls talks “Breakfast Club” cast reunion in Chicago2:09Small businesses prepare for tariff impacts2:58Helicopter pilot tragically killed in New York crash was from Chicago area17:31Nick Jonas, Adrienne Warren & Kelly Clarkson laugh about on-stage wardrobe mishaps0:30Surveillance video shows break-in at Tropical Smoothie as masked crew hits 10 businesse2:48Friday morning weather6:34Patrick Schwarzenegger refused to spoil ‘The White Lotus,' shows Jimmy how to make protein shake4:23Jax Taylor gets candid about sobriety & co-parenting w/ Brittany Cartwright1:34‘Euphoria' star Eric Dane reveals ALS diagnosis0:37Chicago Cinco de Mayo parade canceled over Trump administration concernsShow More
