Delaware County, Pennsylvania
To view the watches and warnings information that we have available you will need to select your city, county, or state first.
Enter City, State or Zip Code to Select a Location from the List
Click to view enlarged map

The National Weather Service's Watches, Warnings and Advisories by state counties include: Thunderstorm, Tornado, Flood, Flash Flood, Winter Storm, High Wind, Gale, Small Aircraft, High Surf, Marine, Heat, Air Quality, Ashfall, Hazardous, and Special Statements.
Weather Alerts: Delaware County, Pennsylvania
« View county list

Winter Storm Warning
New Castle-Cecil-Salem-Gloucester-Camden-Northwestern Burlington-
Delaware-Philadelphia-Western Chester-Eastern Chester-
Western Montgomery-Eastern Montgomery-Upper Bucks-Lower Bucks-
Including the cities of Wilmington, Elkton, Pennsville,
Glassboro, Camden, Cherry Hill, Moorestown, Mount Holly, Media,
Philadelphia, Honey Brook, Oxford, West Chester, Kennett Square,
Collegeville, Pottstown, Norristown, Lansdale, Chalfont,
Perkasie, Morrisville, and Doylestown
832 PM EDT Tue Mar 20 2018


* WHAT...Heavy mixed precipitation. Additional snow
accumulations of 11 to 15 inches, with localized amounts up to
17 inches, and ice accumulations of up to one tenth of an inch
are expected.

* WHERE...Portions of southwestern New Jersey, southeast
Pennsylvania, northeast Maryland and northern Delaware.

* WHEN...Until 2 AM EDT Thursday.

* ADDITIONAL DETAILS...Travel will be very difficult to
impossible, including during the evening commute on Wednesday.
Be prepared for significant reductions in visibility at times
with snowfall rates of an inch an hour possible from late
Wednesday morning through the afternoon and possibly into the
evening. Highest accumulations will be in the hilly areas.
There is some uncertainty as to the maximum snow and sleet
amounts which may run closer to a foot in this Interstate 95
corridor. Widespread power outages are expected during
Wednesday afternoon from combined glaze and heavy wet snow
loads. Thundersnow is possible late Wednesday morning and
afternoon. Blowing snow is possible on Thursday.


A Winter Storm Warning means significant amounts of snow, sleet
and ice will make travel very hazardous or impossible. The latest
road conditions for the state you are calling from can be
obtained by calling 5 1 1.



National Weather Service

Providing "weather, water cycle, and climate forecasts and warnings for the United States, its territories, adjacent waters and ocean areas, for the protection of life and property and the enhancement of the national economy."
Weather Alerts by Type
Avalanche Watch
Coastal Flood Advisory
Coastal Flood Statement
Coastal Flood Warning
Coastal Flood Watch
Fire Weather Watch
Flash Flood Watch
Flood Advisory
Flood Warning
Flood Watch
Freeze Warning
Frost Advisory
High Surf Advisory
High Surf Warning
High Wind Warning
High Wind Watch
Lake Wind Advisory
Lakeshore Flood Advisory
Lakeshore Flood Warning
Rip Current Statement
Severe Thunderstorm Warning
Special Weather Statement
Wind Advisory
Winter Storm Warning
Winter Storm Watch
Winter Weather Advisory
Additional Severe Weather Maps
Severe Outlook Today
Severe Outlook Today
WSI's Severe Outlook Map displays current Watches, Warnings and Advisories via County Fill colors.
Severe Outlook Tomorrow
Severe Outlook Tomorrow
WSI's Severe Outlook Forecast Map displaying projected Watches, Warnings and Advisories.
The THUNDERcast map shows areas of probability for regional or national thunderstorms for the current day.
1Km Storm Watch
1Km Storm Watch
The 1Km map allows you to view 1 kilometer (km) resolution radar imagery both nationally and regionally.
Metro Storm Watch
Metro Storm Watch
The Metro map allows you to view 1 kilometer (km) resolution radar imagery.