Weather Warnings for Pennsylvania

Issued by the National Weather Service

Current watches, warnings, and advisories for Pennsylvania
Alerts Updated: February 20, 2026, 8:21 pm  UTC


Flash Flood Warning issued February 20 at 3:21PM EST until February 20 at 7:00PM EST by NWS Pittsburgh PA

Summary: FFWPBZ The National Weather Service in Pittsburgh has extended the * Flash Flood Warning for... An Ice Jam Break in... Southern Venango County in northwestern Pennsylvania... Northwestern Armstrong County in west central Pennsylvania... Northeastern Butler County in west central Pennsylvania... Western Clarion County in west central Pennsylvania... * Until 700 PM EST. * At 321 PM EST, local law enforcement reported an ice jam on the Allegheny River at Emlenton broke causing flash flooding downstream. HAZARD...Flash flooding from an ice jam break. SOURCE...Law enforcement reported. IMPACT...Flooding of areas near and downstream of the ice jam break. * The nearest downstream town is Foxburg.
Severity:  Severe    Effective:  February 20, 2026, 3:21 pm      Expires:  February 20, 2026, 7:00 pm
Area:  Armstrong, PA; Butler, PA; Clarion, PA; Venango, PA


Flood Watch issued February 20 at 2:55PM EST until February 21 at 9:00AM EST by NWS Pittsburgh PA

Summary: * WHAT...Flooding caused by ice jams is possible. * WHERE...Portions of northwest and western Pennsylvania, including the following areas, in northwest Pennsylvania, Jefferson PA and Venango. In western Pennsylvania, Armstrong, Butler and Clarion. * WHEN...Through Saturday morning. * IMPACTS...Ice jams may result in flooding of rivers, creeks, streams, and other low-lying and flood prone locations. * ADDITIONAL DETAILS... - Ice Jam Flooding - http://www.weather.gov/safety/flood
Severity:  Severe    Effective:  February 20, 2026, 2:55 pm      Expires:  February 20, 2026, 11:30 pm
Area:  Venango; Butler; Clarion; Jefferson; Armstrong


Flash Flood Warning issued February 20 at 2:29PM EST until February 20 at 5:30PM EST by NWS Pittsburgh PA

Summary: FFWPBZ The National Weather Service in Pittsburgh has issued a * Flash Flood Warning for... An Ice Jam Break in... Northwestern Armstrong County in west central Pennsylvania... Southwestern Clarion County in west central Pennsylvania... * Until 530 PM EST. * At 229 PM EST, gauge reports indicated an ice jam on the Allegheny at Foxburg broke causing flash flooding downstream. HAZARD...Flash flooding from an ice jam break. SOURCE...Gauges reported. IMPACT...Flooding of areas near and downstream of the ice jam break. * The nearest downstream towns are Parker, Monterey, and West Monterey.
Severity:  Severe    Effective:  February 20, 2026, 2:29 pm      Expires:  February 20, 2026, 5:30 pm
Area:  Armstrong, PA; Clarion, PA


Flood Advisory issued February 20 at 1:53PM EST until February 22 at 7:00AM EST by NWS Pittsburgh PA

Summary: ...The National Weather Service in Pittsburgh has issued a Flood Advisory for the following rivers in Pennsylvania... Ohio River At Pittsburgh affecting Allegheny County. .Heavy rain and recent snow melt will cause river levels to increase over the next 24 hours. Additional information is available at weather.gov/pbz. The next statement will be issued late tonight at 215 AM EST. * WHAT...Flooding caused by rain and snowmelt. * WHERE...Ohio River at Pittsburgh. * WHEN...From this afternoon to Sunday morning. * 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 1:30 PM EST Friday the stage was 17.0 feet. - Bankfull stage is 18.0 feet. - Forecast...The river is expected to rise to a crest of 18.2 feet early tomorrow afternoon. - Action stage is 18.0 feet. - Flood stage is 22.0 feet. - http://www.weather.gov/safety/flood
Severity:  Minor    Effective:  February 20, 2026, 1:53 pm      Expires:  February 21, 2026, 2:15 am
Area:  Allegheny, PA


Winter Storm Watch issued February 20 at 1:50PM EST until February 23 at 6:00PM EST by NWS Mount Holly NJ

Summary: * WHAT...Heavy snow, with total snow accumulations exceeding 6 inches possible. Winds could gust as high as 35 mph. * WHERE...Portions of east central, northeast, and southeast Pennsylvania. * WHEN...From Sunday morning through Monday afternoon. * IMPACTS...Travel could be very difficult. The hazardous conditions could impact the Monday morning and evening commutes.
Severity:  Severe    Effective:  February 20, 2026, 1:50 pm      Expires:  February 21, 2026, 3:00 am
Area:  Carbon; Monroe; Berks; Lehigh; Northampton; Delaware; Philadelphia; Western Chester; Eastern Chester; Western Montgomery; Eastern Montgomery; Upper Bucks; Lower Bucks


Winter Storm Watch issued February 20 at 1:40PM EST until February 23 at 1:00PM EST by NWS State College PA

Summary: * WHAT...Heavy snow possible. Total snow accumulations between 4 and 6 inches possible. * WHERE...A portion of central Pennsylvania. * WHEN...From late Saturday night 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 20, 2026, 1:40 pm      Expires:  February 21, 2026, 6:45 am
Area:  Dauphin; Schuylkill; Lebanon; Adams; York; Lancaster


Winter Storm Watch issued February 20 at 1:40PM EST until February 24 at 1:00AM EST by NWS State College PA

Summary: * WHAT...Heavy snow possible. Total snow accumulations between 4 and 8 inches possible. Winds could gust as high as 35 mph. * WHERE...Cambria and Somerset Counties. * WHEN...From late Saturday night through late Monday night. * IMPACTS...Travel could be very difficult. The hazardous conditions could impact the Monday morning and evening commutes.
Severity:  Severe    Effective:  February 20, 2026, 1:40 pm      Expires:  February 21, 2026, 6:45 am
Area:  Cambria; Somerset


Wind Advisory issued February 20 at 11:59AM EST until February 20 at 7:00PM EST by NWS Cleveland OH

Summary: * WHAT...Southwest to West winds 20 to 30 mph with gusts up to 50 mph. * WHERE...Portions of north central and northeast Ohio and northwest Pennsylvania. * WHEN...Until 7 PM EST this evening. * IMPACTS...Gusty winds will blow around unsecured objects. Tree limbs could be blown down and a few power outages may result.
Severity:  Moderate    Effective:  February 20, 2026, 11:59 am      Expires:  February 20, 2026, 7:00 pm
Area:  Geauga; Ashtabula Inland; Summit; Portage; Trumbull; Wayne; Stark; Mahoning; Holmes; Knox; Southern Erie; Crawford


Wind Advisory issued February 20 at 11:59AM EST until February 20 at 7:00PM EST by NWS Cleveland OH

Summary: * WHAT...Southwest to West winds 20 to 30 mph with gusts up to 50 mph. * WHERE...Northern Erie County. * WHEN...Until 7 PM EST this evening. * IMPACTS...Gusty winds will blow around unsecured objects. Tree limbs could be blown down and a few power outages may result.
Severity:  Moderate    Effective:  February 20, 2026, 11:59 am      Expires:  February 20, 2026, 7:00 pm
Area:  Northern Erie


Winter Storm Watch issued February 20 at 11:31AM 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 Saturday night through late Monday night. * IMPACTS...Travel could be very difficult. The hazardous conditions could impact the Monday morning commute. * 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 20, 2026, 11:31 am      Expires:  February 20, 2026, 10:15 pm
Area:  Westmoreland Ridges; Fayette Ridges; Ridges of Eastern Monongalia and Northwestern Preston; Preston; Eastern Preston; Western Tucker; Eastern Tucker


Wind Advisory issued February 20 at 6:07AM EST until February 21 at 12:00AM EST by NWS State College PA

Summary: * WHAT...West winds will increase quickly in the wake of a cold front early this afternoon to 15 to 25 mph with gusts between 45 and 50 mph expected. * WHERE...Bedford, Blair, Cambria, and Somerset Counties. * WHEN...From 1 PM this afternoon to midnight EST tonight. * IMPACTS...Gusty winds will blow around unsecured objects. Tree limbs could be blown down and a few power outages may result.
Severity:  Moderate    Effective:  February 20, 2026, 6:07 am      Expires:  February 21, 2026, 12:00 am
Area:  Cambria; Blair; Somerset; Bedford