Hey Ray! Dew Points Are Better Than Humidity For Determining Comfort
It may be controversial to say in these parts, but it is ridiculous to use relative humidity as an indicator of comfort.
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It may be controversial to say in these parts, but it is ridiculous to use relative humidity as an indicator of comfort.
We all know that in the summer, our cars basically turn into ovens.
Last week, we talked about how light pollution makes it harder, if not impossible to see some amazing things in the night sky.
During the daytime, when you look to the sky you can't see stars, or sometimes planets that you can see at night. While daylight is the obvious reason, at night we may not be able to see some of the good stuff because of different kind of light called light pollution.
This is a fun experiment that is easy to do and requires very little set up. I like to call it the "Invisible Extinguisher," since it puts a candle out by using what seems to be an empty glass.
or most of us, television has been around for most of our lives. A click of a remote, and information and entertainment appears before our eyes. A lot goes into making that seemingly easy thing happen, though.
We have done a lot of experiments and covered a lot of topics. This time, we are going to play around with density, and use its ingredients to make some weird science.
One of the most attention getting weather phenomena is the rainbow.
Some of the most important weather terminology for safety is often the most confused weather terminology. Those terms are "watch" and "warning".
Sometimes in science, things mix well, other things don't, and sometimes that mix takes time. That can be said for the Three Rivers, too.
You may have heard the scientific expression "An object at rest stays at rest."
Remember that one time in math class when you said, "I am never going to use this in real life"?
Pittsburgh has a lot of bridges -- 446 of them! With bridges, there are additional things to be alert for in colder weather, such as ice.
Late in winter, people usually start looking for signs that spring is on the way. The most popular is Punxsutawney Phil. The groundhog isn't the only animal though.
We have talked about how each snowfall is different. How snow is created is different, too.
When it's hot, you're always looking for a way to cool off, but did you know you can give your heat to other objects? Ray Petelin explains in a new Hey Ray!
Security cameras can pick up some interesting things, and there is one thing that shows up on cameras that Meteorologist Ray Petelin gets asked about a lot, and today he has the answer.
Summer officially begins on Sunday morning in Pittsburgh, and Ray Petelin is here to break down the "summer stats" for you!
You may know that Ray Petelin considers himself a "Bird Nerd." Today, he is going to show you how to get hummingbirds to come over for a close-up visit!
Coffee is a morning staple for many, and one viewer's coffee comes with a concert built in. Meteorologist Ray Petelin explains why her coffee starts sounding weird!
Sometimes, you look up to the sky, and you see something weird. Other times you look down from up in the sky and you see something extremely weird! That happened to Edna. Pilot's Glory, Glory of the Pilot, or Pilot's Halo — whatever you want to call it, Ray Petelin has an explanation.
A viewer asks, if it's raining outside, but the humidity gauge only reads 74%, shouldn't it be 100%? Ray Petelin has the answer in a new Hey Ray!
The Moon is spherical like Earth, so why do we only see one side of it? Meteorologist Ray Petelin has the answer.
Heavy winds and windstorms have been in the headlines a lot lately, which has plenty of Pittsburghers asking, "Is it windier today than it ever has been in Pittsburgh?" Ray Petelin explains!
Meteorologist Ray Petelin has a weird experiment today where he shows us how to illuminate fluorescent light bulbs without connecting them to a light fixture!
A man who delivered Little Debbie snacks to stores across Washington County is accused of selling them at flea markets for cash and submitting fake invoices.
The Parkway East will officially reopen on Monday, July 27, PennDOT officials have confirmed.
Some wildfire smoke is rolling into the Pittsburgh area on Sunday, as scattered storm chances return to the forecast.
The Pirates have signed outfielder Derek Curiel, who was selected with the fifth overall pick in the 2026 MLB draft.
Ryan O'Hearn hit a grand slam on his 33rd birthday, as the Pirates held off the Cubs 8-7 to avoid being swept in the three-game series.
The plans include arresting migrants in Ohio and quickly putting them on deportation flights to crisis-stricken Haiti, the internal documents indicate.
With one day left, there are still no constitutional sentencing guidelines for the Pennsylvania judicial system when it comes to felony murder.
The lawsuit claims the Trump administration is withholding hundreds of millions of dollars in disaster-preparedness and homeland security grants to pressure states to change policies on elections and immigration.
The House on Thursday voted to direct President Trump to end the war with Iran, after four Republicans joined Democrats to rebuke the president over his handling of the conflict.
Pittsburgh Fire Chief Darryl Jones, who has been on paid administrative leave, will retire after a review of his bureau.
A Westmoreland County family said having a secret room is not as cool as it sounds, after finding a large void under their garage built by Ryan Homes
Last year, Americans received nearly 30 billion scam robocalls and text messages.
The Pennsylvania Turnpike Commission approved a 3.5% toll increase that goes into effect on January 3, 2027.
After about three dozen Allegheny County home deeds were fraudulently put into an LLC's name, experts are sharing tips for protecting yourself.
Giant Eagle has remained the dominant grocer in southwestern Pennsylvania for more than 40 years, and one of those reasons was the exit of Kroger.
Daisy checks out Canonsburg's newest hot spot!
Daisy and David talk about fresh veggies and herbs with a Pittsburgh chef as he prepares a dish live from Tuscany!
Boaz takes us to Phipps Conservatory, where a 50-year-old agave plant has grown right through their ceiling!
The lead singer of Blank Space, the unofficial Taylor Swift tribute band, went head-to-head against PTL producer Maria to see who knows more about the iconic singer.
Daisy Jade joins David Highfield and answers viewer questions in the Friday Free For All!
A small community in Fayette County is pushing for answers after finding what appears to be raw sewage spilling into the woods.
Developers want to fill the former Vincentian Marion Manor facility in Banksville with new townhomes.
A Westmoreland County family said having a secret room is not as cool as it sounds, after finding a large void under their garage built by Ryan Homes
Allegheny County is facing a major financial crisis.
It costs a lot of money to keep houses of worship safe.
People who buy their healthcare coverage in Pennsylvania through the Affordable Care Act are expected to see their premiums skyrocket.
An investigation is underway in Uniontown, Fayette County, after police said a man was found dead in his car with a can of Galaxy Gas on the floor.
A public hearing was held on Friday for input on the pending Independence Health and West Virginia University Health System merger.
Pennsylvania is one of four more states now part of a cyclospora outbreak linked to shredded iceberg lettuce from central Mexico.
Western Pennsylvania remains one of the most heavily impacted regions across the country for tick-borne illnesses.
The Pirates have signed outfielder Derek Curiel, who was selected with the fifth overall pick in the 2026 MLB draft.
Western Pennsylvania has historically been a hotbed for producing talent that succeeds in the NFL.
Ryan O'Hearn hit a grand slam on his 33rd birthday, as the Pirates held off the Cubs 8-7 to avoid being swept in the three-game series.
Mark Kulbis is also facing misdemeanor counts of involuntary manslaughter and reckless endangerment in the death of Calvin "CJ" Dickey Jr.
Pete Crow-Armstrong was 4 for 5 with a home run and three RBIs as the Chicago Cubs cruised past the Pittsburgh Pirates 11-0.
A world-renowned Pittsburgh technical school and a major airline have signed an agreement to work hand in hand.
The former glass plant in Charleroi has been listed for sale.
The Colorado-based Voyager Technologies has officially acquired Astrobotic, the aerospace company located on Pittsburgh's North Side.
Giant Eagle has remained the dominant grocer in southwestern Pennsylvania for more than 40 years, and one of those reasons was the exit of Kroger.
A major healthcare merger is now official.
Paramount Skydance on Friday said it would delay the deal until as late as June 2027.
Dave Matthews stopped by a Pittsburgh restaurant before his show at Star Lake on Friday night.
The ruling comes after a coalition of 12 states sued to block the deal, arguing it would harm consumers and the entertainment industry.
New Zealand actor Sam Neill, known for "Jurassic Park" and "The Piano," died Monday at 78, his family says.
The new movie "Young Washington" opened over the Fourth of July weekend, earning more than $20 million at the box office and becoming the nation's top live-action film.
The Parkway East is expected to reopen on Monday, July 27, PennDOT officials have confirmed. The announcement comes as workers successfully replaced the Commercial Street Bridge outside of the Squirrel Hill Tunnel.
Stay on top of local weather with First Alert Meteorologist Trey Fulbright's forecast!
The Iranian military said it halted retaliatory attacks against U.S. allies in the Middle East, after Washington paused its strikes on Iran for the last two nights. That pause followed consecutive nights of strikes by the U.S.
A woman in Dormont is making it her mission to map all of the little free libraries in her community. KDKA's Ricky Sayer reports, On A Positive Note.
Stay on top of the weather in the Pittsburgh area with First Alert Meteorologist Ron Smiley's forecast!
Mike Tomlin stepped down as head coach of the Pittsburgh Steelers after 19 seasons with the team.
Pitt's regular season has ended with an 8-4 record.
Pitt's five-game winning streak came to an end with a 37-15 loss to Notre Dame.
Mason Heintschel set a new Pitt freshman single-game passing record in the Pitt win at Acrisure Stadium.
The 44th annual KDKA-TV Turkey Fund will help our neighbors in need have a nice meal for Thanksgiving.
