Cold temperatures will be the rule for the early part of the week around the Pittsburgh area.
Highs will be in the upper teens to around 20 degrees Monday and Tuesday with lows in the low single digits.
Temperatures will moderate starting Wednesday. Thursday could see a high around 30 degrees.
Later in the week, a southern storm will have to be watched for possible impacts in the Northeast due to snow, ice and rain before Valentine's Day.
An intense band of heavy rainfall will continue across South Carolina and far southeastern North Carolina into Monday, worsening the already historic flooding that is underway.
Additional rain is expected to exacerbate already catastrophic flooding in parts of South Carolina into Monday.
Conditions are worsening across Bermuda ahead of Hurricane Joaquin passing dangerously close to the island nation to end the weekend.
According to the BBC, the Brague River overflowed its banks, sending water into nearby towns and cities, including Cannes.
Catastrophic flooding slammed Charleston, South Carolina, and other areas across the state over the weekend.
After a cool weekend that started wet, more typical early October weather will return as the first part of this week progresses.
NE Maine & Bay of Fundy (1869)
"Saxby's Gale & Great New England Rainstorm & Flood -- Storm predicted a year previously great wind/tide damage in ME and New Brunswick high floods all New England 12.35" at Canton, CT.
Denver, CO (1969)
9.6 inches of snow fell. October of 1969 would end up being the coldest and snowiest of record for Denver with 31.2 inches of snow for the entire month.
Early season snowstorm claimed 17 lives in Central New York and injured 332. Vermont suffered 17 million dollars in damage. Albany New York received 6 inches of snow which was their earliest measurable snow in 117 years of records.