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CBS News
11 hours ago
- Climate
- CBS News
Pleasant weather returns to Pittsburgh on Friday, but a heat wave looms
Humidity breaks today, even as high temperatures go up. Earlier this week, model data was showing today's high being cooler than yesterday's high. I didn't bite and kept today's temperature warmer than yesterday's, and it looks like a good call at this point. WEATHER LINKS: Current Conditions | School Closings & Delays | Submit Your Weather Photos The one thing that will be noticeably lower than yesterday will be dew points and oppressive humidity. Dew points are all the way down in the upper 50s right now, and that's about where they will be all day today. Conditions in Pittsburgh today KDKA Weather Center This has allowed morning temperatures to dip to near 60 to start the day. There was some valley fog due to the cool temperatures and saturated ground this morning. The pleasant weather will continue into the afternoon with highs hitting the mid-80s. I have noon temperatures near 80 degrees. Winds will be light, coming in out of the west at around 5mph. Expect lots of sunshine today, but a pesky shower or storm chance will persist this afternoon. I think almost everyone is dry, with the best chance for seeing a brief storm happening north of Cranberry and after 3 this afternoon. Saturday will be a transition day with us starting off with pleasant conditions, but humidity will go up throughout the day. I have Saturday highs hitting 87°. Temperatures and heat index over the next six days KDKA Weather Center Our first potential heat wave of the year arrives on Sunday, with temperatures flirting with 90 degrees all the way through at least next Sunday. History tells us that we likely won't see eight straight days with highs in the 90s, but it will certainly be possible. At this point, it doesn't look like we get too close to an overall record high temperature day in Pittsburgh. Places in our area that will be under Excessive Heat Watch beginning on Sunday KDKA Weather Center We'd have to hit 95° in order to set a record (Monday, Thursday) next week, and I don't have us getting to 93°. We may hit what we call a record max-min. This would be the hottest low temperature. Right now I have us tying the max-min record of 74° on Tuesday. Right now is the time to prepare for the heat, including checking a/c units to make sure they're working properly. You can also clean fan blades. Eating cool foods can also help to cool your body's internal temperature. Finally, cold showers are one of the best ways to stay cool in your home, both before and after it. If you can't get relief while at your home, head to your local library. 7-day forecast: June 20, 2025 KDKA Weather Center Stay up to date with the KDKA Mobile App – which you can download here!
CBS News
15 hours ago
- Climate
- CBS News
Heat wave on the way for Pittsburgh area with temperatures in 90s, "feels like" temperatures in 100s
A heat wave is on the way to the Pittsburgh area and will soon blanket the region with extremely hot temperatures in the 90s and "feels like" temperatures over 100 degrees. The heat wave is set to take shape in our area starting Sunday. The National Weather Service in Pittsburgh has issued an extreme heat watch that will be in effect from Sunday morning through Wednesday evening. Under current projections, Sunday will see temperatures inch into the 90s with a heat index, or "Feels Like Temperature" reaching into the mid to upper 90s, potentially marking the hottest weather since last year. With the temperatures continuing to build, and humidity following suit, this will create a "feels like temperature" of 100 degrees or greater Monday, Tuesday and Wednesday. As of right now the 90s will round out the rest of the work week. Temperatures in the Pittsburgh area are forecast to be in the 90s next week with "feels like" temperatures above 100 degrees. KDKA Weather Center Monday, at this time, is the only First Alert Weather Day. This is the first time getting into "dangerous heat" territory. People without air conditioning will likely have a hard time cooling off, even at night. Last year, we hit 90 degrees or higher on 24 days. The average number of 90 degree (or higher) days is ten. The record has long stood since 1881, when it hit 90 degrees or more 50 times! The National Weather Service says that heat-related illnesses increase significantly during these type of extreme heat events.
Yahoo
a day ago
- Climate
- Yahoo
Hurricane Erick slams Mexico's Pacific Coast as a powerful Cat 3 storm
Hurricane Erick, which rapidly intensified overnight, made landfall Thursday morning on Mexico's Pacific Coast as a powerful Category 3 storm, the U.S. National Hurricane Center (NHC) said. Erick came ashore in Mexico's western state of Oaxaca packing sustained winds of 125 mph and heavy rain, accordin to the NHC. The hurricane was located on Thursday morning about 20 miles east of Punta Maldonado and was moving northwest at about 9 mph, according to the NHC. Before making landfall, the Erick had spooled up to an "extremely dangerous" Category 4 storm on the Saffir-Simpson Hurricane Wind Scale, but was downgraded to a Cat 3 before making landfall, the NHC center reported. Erick is the first Pacific Category 3 hurricane on record to make landfall over Mexico in June. A hurricane warning remained in effect Thursday from Acapulco to Puerto Angel. It remained unclear if villages along Mexico's populated Pacific Coast had sustained damaged. There have been no immediate reports of deaths or injuries. MORE: From severe storms to sizzling heat, Midwest and Northeast in store for whiplash weather change The major hurricane appeared to hit he coastline between the resort towns of Acapulco and Puerto Escondido in an area near the border of Oaxaca and Guerrero states, according to the NHC. As it sweeps across the state of Oaxaca, Erick is expected to slam parts of the region with strong winds and heavy rain for most of Thursday before weakening over land by Friday. MORE: Video How the outlook for hurricane season could be impacted by climate change Erick will produce heavy rainfall up to 6 to 8 inches across southeastern Guerrero and west-coastal Oaxaca through Friday and likely trigger life-threatening flash flooding and mudslides -- especially in areas of steep terrain. Erick formed as a tropical storm early Tuesday in the Pacific Ocean near southern Mexico and rapidly intensified, reaching hurricane strength by Wednesday, according to the NHC.
CBS News
a day ago
- Climate
- CBS News
Flash flood risk remains in Pittsburgh on Thursday, as do storm chances
We have only one more day to deal with wet and soggy conditions before we finally get a well-deserved break from this stormy and rainy pattern. Flash flooding chances are highest this afternoon. WEATHER LINKS: Current Conditions | School Closings & Delays | Submit Your Weather Photos Rain expected in our region today KDKA Weather Center I can't rule out some light rain on Friday, but storm chances should move out with a cool front that comes through. We should begin to see dew points dropping around 3 p.m., with us going from surface dew points of around 70° through then. By 7 p.m., dew points should be down near 60 degrees. Conditions in Pittsburgh for June 19, 2025 KDKA Weather Center Rain will likely continue during this time, but with energy for storm development waning, we should see more in the way of showers instead of storms or downpours. Highs today should hit the mid to upper 70s, but will be dependent on when rain arrives. Yesterday's high hit 85°, so we will be cooler than that. It will be just as sticky, though, for most of the day, with humidity levels remaining high for most of the day. Winds will be breezy, coming in out of the southwest at around 10-15mph. Rain chances over the next six days KDKA Weather Center I have noon temperatures in the mid-70s. If traveling today, there is a higher risk of severe weather east of the Laurel Highlands. Looking ahead, Friday will be interesting because our high temperature will go up, but our comfy level will also go up. Humidity levels will remain low with highs hitting the low 80s. Friday will remain a little breezy with winds around 10mph coming in out of the west. Saturday will be a transition day, with highs hitting the upper 80s and humidity levels on the rise. 90-degree weather is expected on Sunday, and I have us hitting the 90-degree mark for at least six days in a row. Not only will temperatures be in the 90s, but overnight temperatures won't dip below 70 degrees during the stretch of weather. Overnight lows above 70 degrees are a threshold temperature because it doesn't allow for many bodies to fully recover and relax after dealing with hot weather through the day. 7-day forecast: June 19, 2025 KDKA Weather Center Stay up to date with the KDKA Mobile App – which you can download here!
CBS News
2 days ago
- Climate
- CBS News
Record amounts of atmospheric moisture fueling heavy rainfall in western Pennsylvania, northern West Virginia
While the Upper Ohio Valley is no stranger to heavy rainfall and flooding, the conditions that have been in place over the past couple of days have supercharged the atmosphere to produce some localized deluges in portions of the area. What makes this latest round of heavy rain and flooding unique is the amount of moisture that has been observed in the atmosphere leading up to and during the height of the worst flooding from Saturday night through Wednesday morning. (Photo: KDKA Weather Center) What is precipitable water? We can measure the vertical depth of moisture in the atmosphere through the launch of weather balloons looking at a value called precipitable water. Precipitable water is a measure of the amount of moisture in the column of air between two different levels in the atmosphere. While high values of precipitable water don't guarantee heavy rain will occur at any moment, it does indicate an exceptionally moist atmosphere that is more efficient at producing and packing in more raindrops per unit volume in precipitating clouds. This is especially true if there is a front or low-pressure area moving through that can lift the moisture and cause clouds to form. (Photo: KDKA Weather Center) Precipitable water values break records On Saturday night before the heavy rain that led to deadly West Virginia Panhandle floods, precipitable water values measured in Pittsburgh were within the top 95% of available records. On Sunday morning, before a flash flood emergency was declared south of Morgantown near the Fairmont, West Virginia, area, moisture levels remained anomalously high, although not record-breaking. The area eventually moved into record-breaking levels of moisture starting the morning of June 17. On June 17 at 8 a.m., 1.83 inches of precipitable water was observed breaking the 1984 8 a.m. record of 1.82 inches. At 8 p.m. on June 17, Pittsburgh smashed the precipitable water record of 1.77 inches in 1984 (the 8 p.m. record) with 1.89 inches of precipitable water. This morning, June 18, we broke another precipitable water record with 1.85 inches observed, breaking the old record of 1.83 inches set in 2024. (Photo: KDKA Weather Center) A warmer atmosphere has more room to hold moisture The weather pattern that led to these unusually high levels of moisture involved a strong ridge of high pressure across the southeast U.S. and semi-persistent troughing in the Midwest and Central Plains. A persistent southwest flow near the surface and aloft led to rich moisture flowing north from the Gulf. Water temperatures in the Gulf are also much warmer than normal, which allows for greater rates of evaporation and more moisture transport inland to the U.S. mainland whenever the weather pattern is favorable. (Photo: KDKA Weather Center) As earth's atmosphere continues to warm thanks to a warming climate, there is growing concern that these exceptionally moist environments will continue to become more frequent. A warmer atmosphere expands and has more room to hold more moisture. This means precipitating systems like thunderstorms and landfalling tropical systems will produce more extreme and damaging amounts of precipitation. This raises the risk of damaging and deadly flooding, especially in vulnerable areas with poor or dilapidated infrastructure.
