In the wake of heavy rain and gusty thunderstorms Monday, much cooler weather will follow for the balance of the week around Philadelphia.
Much cooler and less humid air is in store for the region Monday night through Friday, marking an end to nearly a week with daytime highs in the 80s.
Normal temperatures this week range from highs in the upper 60s to near 70 with night time lows near 50. Temperatures will be near to slightly above average, but 15 to 20 degrees lower than much of the past week.
Lingering moisture, some of which is associated with Tropical Rainstorm Karen will be watched for possible impact later in the week.
A storm system will form along the mid-Atlantic coast as early as Wednesday.
Rain could creep back in on one or more occasions during the second half of the week. Even if rain does not make the trip in from the Atlantic, there will be episodes of clouds.
Episodes of snow and slippery travel are forecast prior to the departure of arctic air this weekend around Detroit.
The rain is here to stay in Seattle, as showers and cloudy skies takeover the week's weather.
Two storms will bring high winds to the United Kingdom and Ireland this weekend.
This weekend will feature snow showers and icy conditions for Minneapolis.
A new storm with snow will move in over Philadelphia Saturday, capturing the Arctic air that moved in recently. Slippery travel is forecast for a time.
A storm will drop heavy snow and disrupt travel from parts of the Midwest to a large part of the Northeast by Sunday.
South Carolina (1973)
An F3 tornado moved from Greenwood to Chappells. 18 people were hurt; 6 homes destroyed, 50 damaged.
Netarts, OR (2001)
80 mph wind gust.
Flagstaff, AZ (1967)
27.3" snow, greatest 24 hour snowfall total.