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CBS News
9 hours ago
- Climate
- CBS News
Storms clear out, cool, breezy Sunday ahead as heat build up in in latest Philadelphia weather forecast
Storms ending tonight, Sunday will be partly cloudy, cool, and breezy with a high of 71 Storms ending tonight, Sunday will be partly cloudy, cool, and breezy with a high of 71 Storms ending tonight, Sunday will be partly cloudy, cool, and breezy with a high of 71 After a stormy start to the weekend, the atmosphere is finally settling down. Skies will continue to clear tonight, though breezy northwest winds will keep it feeling cool. Overnight lows will dip to around 50° by daybreak. Sunday brings the start of meteorological summer, though it will feel more like spring. Expect plenty of morning sun followed by afternoon fair weather clouds. It stays on the cool side with highs near 70°, and northwest breezes will continue. A stray sprinkle is possible north and west, but the day will be mainly dry and pleasant. Looking ahead to next week, the pattern turns decidedly more summer-like. Monday remains dry with lots of sun — and likely our last day in the 70s for a while. Starting Tuesday, heat builds with highs in the 80s, and we may be chasing 90° by Wednesday and Thursday. The next chance for showers and storms arrives on Friday as another system moves in. Here's your 7-day forecast: CBS Philadelphia Sunday: Mostly sunny. High 71, Low 51. Monday: Warming up. High 76, Low 52. Tuesday: Heat builds. High 85, Low 57. Wednesday: Summer heat. High 92, Low 67. Thursday: Increasing clouds. High 92, Low 67. Friday: Chance of storms. High 88, Low 71. Saturday: A storm or two. High of 79, Low of 69. NEXT Weather Radars Hourly Forecast
CBS News
14 hours ago
- Climate
- CBS News
The northern lights will dance across the night sky over the next 2 nights. Here's when to look up.
Over the next two nights, a widespread display of the northern lights will dance across the northern U.S., including Philadelphia, and the lights could dip as far as Alabama and northern California. A severe G4 geomagnetic storm (level 4 of 5) is set to hit our atmosphere Sunday, June 1, and linger through Monday, June 2. The best times to catch a glimpse of the lights are 9 p.m. Sunday through 5 a.m. Monday, with midnight to 5 a.m. being more ideal due to the waxing crescent moon setting at 1:16 a.m. Monday. CBS Philadelphia As always, you will need to be away from bright city lights. To locate where the lights are, it is helpful to use your cell phone to scan the sky. The colors will be clearer as the display begins. Here are some photos I took last October in Montgomery County. CBS Philadelphia CBS Philadelphia CBS Philadelphia We missed the historical aurora borealis last May because of bad weather. That was a rare level G-5 extreme geomagnetic storm, and the colorful lights were seen overhead as far south as the Caribbean. This time, skies will be mainly clear, giving us the best chance in decades to view the dancing display. According to NOAA's Space Weather Prediction Center, the sun shot a powerful explosion of plasma known as a Coronal Mass Ejection (CME) toward Earth on Friday. Currently, a level 4 geomagnetic storm is expected, with the possibility for another rare G5 (extreme) geomagnetic storm. The intensity will be clearer as the CME, which is traveling at speeds up to 1 million mph, gets closer to Earth. The stronger the geomagnetic storm, the greater the chance of seeing northern lights. It is during these rare severe G4 and extreme G5 storms that the celestial show can dip well into the mid-section of the nation. CBS Philadelphia Over the past several weeks, our sun has been busy with a constant stream of M and X-class solar flares. Those are bursts of electromagnetic radiation erupting from the surface of the sun. They are rated from B-class, C-class, M-class and X-class flares, with X-class being the strongest. X-class flares are the rarest and 10 times stronger than M-class flares, which are 10 times stronger than C-class flares, etc. We are currently in what is known as solar cycle #25. Solar cycles are 11 years long, and it just so happens that 2024 to 2025 is the peak of this cycle. It also has the highest activity seen in years, with numerous X-class flares and geomagnetic storms. The strongest geomagnetic storm in recorded history is known as the "Carrington Event." It took place in September 1859 at the peak of what was solar cycle #10. The solar radiation that reached Earth was so intense that telegraph lines caught on fire, and the aurora borealis was visible worldwide. A Carrington-type storm is expected every 100 to 200 years, making us long overdue. The incoming geomagnetic storm won't be that strong, but the giant sunspot AR3664 producing this storm is as large as the sunspot that emitted the Carrington Event storm. AR3664 is being watched closely by space agencies because if a geomagnetic storm of that intensity hit Earth today, there would be major disruptions to communications, electric grids, commerce, travel and the internet, among other things. Stay with the NEXT Weather Alert Team for updates on this geomagnetic storm and what is expected to be a very active year ahead with more chances to see the magical dancing lights of the aurora borealis.
CBS News
a day ago
- General
- CBS News
Sofitel Philadelphia Pride Flag Ceremony 2025
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CBS News
2 days ago
- Entertainment
- CBS News
6th Annual Philadelphia Ballet Spring Soirée
The CBS News Philadelphia Staff is a group of experienced journalists who bring you the content on Be the first to know Get browser notifications for breaking news, live events, and exclusive reporting. Not Now Turn On
CBS News
25-05-2025
- Climate
- CBS News
Mix of sun and clouds Sunday around Philadelphia, warmer and sunnier weather on Memorial Day
It's been cool, and even downright chilly in spots so far this weekend, but we'll gradually see some improvements through Monday. Highs will approach 70 degrees Sunday, and the mid-70s for some on Monday. But what a difference a year makes! Just last year the three-day Memorial Day holiday weekend began with sunshine and highs in the upper 80s. Ocean surface temperatures CBS Philadelphia So, what's causing the less than perfect weekend weather? The same upper-level low that brought us cold and rainy conditions over the last week is still to our north and moving away at a snail's pace off the New England coastline. As the low departs our weather will improve each day through Monday, when we honor all those who made the ultimate sacrifice for all of us. Late Monday another storm system will slide past to our south and bring increasing clouds and shower chances to Delaware and parts of South Jersey. Three-day forecast CBS Philadelphia Rain returns midweek Skies turn cloudy on Tuesday, but temperatures remain warm in the upper 70s. Enjoy the dry conditions while you can because rain develops for Wednesday through the end of next week. Temperatures will range from the mid-60s on Wednesday to the upper-70s on Friday. It's still spring – not summer – so don't be surprised by the large swings between spring-like and summer-like conditions. We nickname it "Sprummer," a combo of spring and summer. Mark the calendar: Summer officially begins on June 20 in Philadelphia! 7-day forecast Sunday: High of 71. Turns partly cloudy. Monday: High of 75, low of 52. Mostly sunny. Tuesday: High of 77, low of 54. Mostly cloudy. Wednesday: High of 65, low of 57. Scattered showers. Thursday: High of 73, low of 59. Scattered showers. Friday: High of 79, low of 63. Partly cloudy. Saturday: High of 77, low of 63. A shower or two.
