A couple of rounds of showers will affect the Pittsburgh area this week, but the week will be far from a washout.
A weakening front delivered a few spotty showers to the area of Monday, with Tuesday shaping up to be much drier across the region as high pressure briefly builds in from New England.
A more potent front will bring rain to the area Wednesday followed by a few showers Thursday, as well as a dose of cooler air.
Until then, temperatures will continue to average above normal for mid-October. Temperatures tend to average in the lower 60s for highs and the middle to lower 40s for lows.
More significant cool air may arrive during next weekend.
The changing of the seasons will bring beneficial rainfall to northern Brazil, a region that has experienced severe drought over the past several years.
Rain and thunderstorms will continue to cause travel delays and raise the risk of isolated flooding in parts of the northeastern United States and Atlantic Canada into the weekend.
Typhoon Haima made a second landfall in southeastern China on Friday after leaving at least 13 dead in the northern Philippines.
Damaging storms pounded the Pacific Northwest, while two powerful typhoons struck the Philippines within a four-day span.
A dramatic change to colder weather, and in some cases a taste of winter with snow, will take place this weekend.
Powerful solar storms can devastate the world's interconnected power grids, airline operations, satellites and communications networks.
SW Caribbean (1998)
Tropical Storm Mitch formed. Mitch went on to lead to devastating flooding and loss of life across Central America later in the month.
Tuscaloosa, AL (1884)
No rain from August 28-October 22. Severe drought throughout Southeast.
Temperature reached 104 degrees at San Diego (record for date). Record for date 100 degrees at Los Angeles (downtown). Climax of heat wave of record duration in Southern California.