In addition to record-challenging warmth this weekend, the Pittsburgh area will be on the edge of heavy rain and flooding to the north and west.
The weekend will bring periods of rain, drizzle and fog.
The greatest potential for flash, urban and small stream flooding from southwestern Pennsylvania to West Virginia is on Sunday. On this day, gusty winds will help to drive temperatures well into the 60s. Locally strong thunderstorms can focus the rain over the short period of time.
The combination of prolonged heavy rain and recent melting snow is likely to cause flooding of the lesser rivers in Ohio and northwestern Pennsylvania.
Much colder air will return to the area Monday with the usual barrage of flurries into Christmas morning.
There is a chance that where flurries persist that enough snow will be on the ground to consider it a white Christmas.
Tune in to AccuWeather Live Mornings every weekday at 7 a.m. EST. We will be talking about the snowstorm and weather leading up to Christmas.
There has been an increase in the amount of shark attacks in the United States during the last decade, with a large number of these incidents occurring along the Atlantic coast.
The unrelenting heat across the interior West will continue through the first part of the new week, but there is a light at the end of the tunnel.
A 21-year-old California woman died recently after contracting a rare infection caused by a brain-eating amoeba that thrives in warm bodies of water.
It will not just be emotions running high around Vancouver, Canada, Sunday afternoon for the final match of the 2015 Women’s World Cup, but also temperatures.
Strong and locally dangerous thunderstorms will ignite from northwestern Minnesota to northeastern Colorado during Sunday. Storms will extend from upper Michigan to northwest Texas on Monday.
An uptick in tropical activity is likely around Hawaii and then near the shores of Mexico as July progresses.
DeSoto, NE (1871)
Tornado blew railroad cars off track; heavy hail.
Rapid City, SD (1891)
Hail killed 16 horses, and injured many others.
Bayonne, NJ (1900)
Spectacular three-day fire stated when a lighting bolt struck a refinery.