Weather Warnings for Pennsylvania

Issued by the National Weather Service

Current watches, warnings, and advisories for Pennsylvania
Alerts Updated: February 21, 2026, 11:28 am  UTC


Winter Storm Watch issued February 21 at 6:28AM EST until February 23 at 7:00PM EST by NWS Binghamton NY

Summary: * WHAT...Heavy snow possible. Total snow accumulations between 6 and 12 inches possible. Winds could gust as high as 35 mph. * WHERE...In New York, Delaware and Sullivan Counties. In Pennsylvania, Lackawanna, Luzerne, Northern Wayne, Pike, Southern Wayne, Susquehanna, and Wyoming Counties. * WHEN...From Sunday morning through Monday evening. * IMPACTS...Travel could be very difficult. The hazardous conditions could impact the Monday morning and evening commutes.
Severity:  Severe    Effective:  February 21, 2026, 6:28 am      Expires:  February 21, 2026, 6:30 pm
Area:  Delaware; Sullivan; Susquehanna; Northern Wayne; Wyoming; Lackawanna; Luzerne; Pike; Southern Wayne


Winter Storm Watch issued February 21 at 4:39AM EST until February 23 at 1:00PM EST by NWS State College PA

Summary: * WHAT...Heavy snow possible. Total snow accumulations between 5 and 10 inches possible. Winds could gust as high as 35 mph Sunday night and Monday. * WHERE...A portion of central Pennsylvania. * WHEN...From late tonight through Monday afternoon. * IMPACTS...Travel could be very difficult. The hazardous conditions could impact the Monday morning commute. * ADDITIONAL DETAILS...There is still some uncertainty regarding the track of this storm. Any westward shifts in the track may result in higher snowfall amounts.
Severity:  Severe    Effective:  February 21, 2026, 4:39 am      Expires:  February 21, 2026, 7:00 pm
Area:  Dauphin; Schuylkill; Lebanon; Adams; York; Lancaster


Winter Storm Watch issued February 21 at 4:39AM EST until February 23 at 1:00PM EST by NWS State College PA

Summary: * WHAT...Heavy snow possible. Total snow accumulations between 5 and 8 inches possible. Winds could gust as high as 35 mph late Sunday night and Monday. * WHERE...Cumberland and Perry Counties. * WHEN...From late tonight through Monday afternoon. * IMPACTS...Travel could be very difficult. The hazardous conditions could impact the Monday morning commute.
Severity:  Severe    Effective:  February 21, 2026, 4:39 am      Expires:  February 21, 2026, 7:00 pm
Area:  Perry; Cumberland


Winter Storm Watch issued February 21 at 4:39AM EST until February 24 at 1:00AM EST by NWS State College PA

Summary: * WHAT...Heavy snow possible. Total snow accumulations between 5 and 8 inches possible. Winds could gust as high as 35 mph on Monday. * WHERE...Cambria and Somerset Counties. * WHEN...From late tonight through late Monday night. * IMPACTS...Travel could be very difficult. The hazardous conditions could impact the Monday morning and evening commutes. * ADDITIONAL DETAILS...There is still some uncertainty regarding the track of this storm. Any westward shifts in the track may result in higher snowfall amounts.
Severity:  Severe    Effective:  February 21, 2026, 4:39 am      Expires:  February 21, 2026, 7:00 pm
Area:  Cambria; Somerset


The Winter Storm Watch has been replaced. Please see the latest information from NWS Mount Holly NJ on this developing situation.

Summary: The Winter Storm Watch has been replaced. Please see the latest information from NWS Mount Holly NJ on this developing situation.
Severity:  Severe    Effective:  February 21, 2026, 3:27 am      Expires:  February 21, 2026, 3:43 am
Area:  Delaware; Philadelphia; Western Chester; Eastern Chester; Western Montgomery; Eastern Montgomery; Upper Bucks; Lower Bucks


Winter Storm Warning issued February 21 at 3:27AM EST until February 23 at 6:00PM EST by NWS Mount Holly NJ

Summary: * WHAT...Heavy snow expected. Total snow accumulations between 10 and 16 inches. Winds gusting as high as 40 mph. * WHERE...A portion of southeast Pennsylvania. * WHEN...From 7 AM Sunday to 6 PM EST Monday. * IMPACTS...Travel could be very difficult to impossible. Areas of blowing snow could significantly reduce visibility. The hazardous conditions could impact the Monday morning and evening commutes. * ADDITIONAL DETAILS...Snowfall rates could exceed 2 inches per hour. Locally higher snowfall amounts possible. Blowing and drifting of snow, and whiteout conditions possible.
Severity:  Severe    Effective:  February 21, 2026, 3:27 am      Expires:  February 21, 2026, 4:00 pm
Area:  Delaware; Philadelphia; Western Chester; Eastern Chester; Western Montgomery; Eastern Montgomery; Upper Bucks; Lower Bucks


Winter Storm Watch issued February 21 at 3:27AM EST until February 23 at 6:00PM EST by NWS Mount Holly NJ

Summary: * WHAT...Heavy snow possible. Total snow accumulations between 6 and 12 inches possible. Winds could gust as high as 40 mph. * WHERE...Berks, Lehigh, Northampton, Carbon, and Monroe Counties. * WHEN...From late tonight through Monday afternoon. * IMPACTS...Travel could be very difficult to impossible. The hazardous conditions could impact the Monday morning and evening commutes. * ADDITIONAL DETAILS...Snowfall rates could exceed 1 inch per hour. Blowing and drifting of snow possible.
Severity:  Severe    Effective:  February 21, 2026, 3:27 am      Expires:  February 21, 2026, 4:00 pm
Area:  Carbon; Monroe; Berks; Lehigh; Northampton


Winter Storm Watch issued February 21 at 2:10AM EST until February 24 at 1:00AM EST by NWS Pittsburgh PA

Summary: * WHAT...An extended period of snow for high terrain. More than 6 inches of snow is favored for Sunday through Monday. * WHERE...Portions of southwest Pennsylvania and northern West Virginia. * WHEN...From late tonight through late Monday night. * IMPACTS...Travel could be very difficult. The hazardous conditions could impact the Monday morning and evening commutes. * ADDITIONAL DETAILS...Highest accumulations are most likely for grassy surfaces in the high terrain. Snow totals may vary largely from valleys to ridgetops. Snow most likely to stick to roads and sidewalks Sunday night.
Severity:  Severe    Effective:  February 21, 2026, 2:10 am      Expires:  February 21, 2026, 12:00 pm
Area:  Westmoreland Ridges; Fayette Ridges; Ridges of Eastern Monongalia and Northwestern Preston; Preston; Eastern Preston; Western Tucker; Eastern Tucker


Flood Watch issued February 21 at 2:05AM EST until February 21 at 9:00AM EST by NWS Pittsburgh PA

Summary: An ice jam may cause water to infiltrate the lowlands along the river. * WHAT...Flooding caused by ice jams continues to be possible. * WHERE...A portion of western Pennsylvania, including the following counties, Armstrong, Butler and Clarion. * WHEN...Until 9 AM EST this morning. * IMPACTS...Ice jams may result in flooding of rivers, creeks, streams, and other low-lying and flood prone locations. * ADDITIONAL DETAILS... - An ice jam may cause water to infiltrate the lowlands along the river. - http://www.weather.gov/safety/flood
Severity:  Severe    Effective:  February 21, 2026, 2:05 am      Expires:  February 21, 2026, 9:00 am
Area:  Butler; Clarion; Armstrong


Flood Advisory issued February 21 at 1:57AM EST until February 22 at 1:00PM EST by NWS Pittsburgh PA

Summary: ...The Flood Advisory is extended for the following rivers in Pennsylvania... Ohio River At Pittsburgh affecting Allegheny County. Additional information is available at weather.gov/pbz. The next statement will be issued this afternoon at 200 PM EST. * WHAT...Flooding caused by rain and snowmelt continues. * WHERE...Ohio River at Pittsburgh. * WHEN...Until Sunday afternoon. * IMPACTS...At 18.0 feet, Water begins to flow onto the Monongahela Parking Wharf. At 19.0 feet, Water begins to flow onto the North Shore Riverwalk between the stadiums. At 19.5 feet, The Monongahela Parking Wharf is completely flooded. At 20.0 feet, Water is up to one foot deep in the lower areas of the North Shore Riverwalk. * ADDITIONAL DETAILS... - At 1:45 AM EST Saturday the stage was 18.8 feet. - Bankfull stage is 18.0 feet. - Forecast...The river is expected to rise to a crest of 19.5 feet this afternoon. - Action stage is 18.0 feet. - Flood stage is 22.0 feet. - http://www.weather.gov/safety/flood
Severity:  Minor    Effective:  February 21, 2026, 1:57 am      Expires:  February 21, 2026, 2:00 pm
Area:  Allegheny, PA