Philadelphia, Pennsylvania
Regional Weather Alerts
| Alert: | Flood Warning |
| Area(s): | Fayette, PA |
| Effective: | 2026-08-11 @ 8:37 am -> 2026-08-11 @ 8:45 pm |
| Onset: | 2026-08-11 @ 8:47 am -> 2026-08-11 @ 10:00 pm |
| Severity: | Severe |
| Certainty: | Likely |
| Urgency: | Expected |
| Issued By: | NWS Pittsburgh PA on 2026-08-11 @ 8:37 am |
| Headline: | Flood Warning issued August 11 at 9:37AM EDT until August 11 at 11:00PM EDT by NWS Pittsburgh PA |
| Description: |
...The National Weather Service in Pittsburgh has issued a Flood Warning for the following rivers in Pennsylvania... Youghiogheny River At Connellsville affecting Fayette County. * WHAT...Minor flooding is forecast. * WHERE...Youghiogheny River at Connellsville. * WHEN...Until this evening. * IMPACTS...At 12.0 feet, Flooding begins in the vicinity of Yough Park. At 14.0 feet, Several inches of water floods basements of about 30 homes along left bank. River is bankful along the left bank just downstream from the Crawford Street Bridge. * ADDITIONAL DETAILS... - At 9:15 AM EDT Tuesday the stage was 11.9 feet. - Bankfull stage is 12.0 feet. - Forecast...The river is expected to rise above flood stage late this morning to a crest of 13.0 feet this afternoon. It will then fall below flood stage late this afternoon. - Flood stage is 12.0 feet. - Flood History...This crest compares to a previous crest of 12.8 feet on 01/12/2005. - http://www.weather.gov/safety/flood |
| Alert: | Flood Warning |
| Area(s): | Somerset, PA |
| Effective: | 2026-08-11 @ 7:29 am -> 2026-08-11 @ 10:30 am |
| Onset: | 2026-08-11 @ 7:29 am -> 2026-08-11 @ 10:30 am |
| Severity: | Severe |
| Certainty: | Likely |
| Urgency: | Expected |
| Issued By: | NWS State College PA on 2026-08-11 @ 7:29 am |
| Headline: | Flood Warning issued August 11 at 8:29AM EDT until August 11 at 11:30AM EDT by NWS State College PA |
| Description: |
* WHAT...Flooding caused by excessive rainfall is occurring. * WHERE...Southwestern Somerset County in south central Pennsylvania... * WHEN...Until 1130 AM EDT. * IMPACTS...Flooding of rivers, creeks, streams, and other low-lying and flood-prone locations is imminent or occurring. Numerous roads remain closed due to flooding. * ADDITIONAL DETAILS... - At 825 AM EDT, local law enforcement reported flooding in the warned area. Between 3 and 5 inches of rain have fallen. - A Flood Watch remains in effect through 5 AM Wednesday. Additional heavy rainfall is possible. - Some locations that will experience flooding include... Meyersdale, Ursina, New Centerville, Mount Davis, Rockwood, Confluence, Salisbury, Garrett, Addison, Wellersburg, Casselman, Callimont and Seven Springs. - http://www.weather.gov/safety/flood |
| Alert: | Flood Warning |
| Area(s): | Somerset, PA |
| Effective: | 2026-08-11 @ 7:27 am -> 2026-08-11 @ 7:30 pm |
| Onset: | 2026-08-11 @ 7:27 am -> 2026-08-11 @ 9:00 pm |
| Severity: | Severe |
| Certainty: | Likely |
| Urgency: | Expected |
| Issued By: | NWS State College PA on 2026-08-11 @ 7:27 am |
| Headline: | Flood Warning issued August 11 at 8:27AM EDT until August 11 at 10:00PM EDT by NWS State College PA |
| Description: |
...The National Weather Service in State College has issued a Flood Warning for the following rivers in Pennsylvania... Youghiogheny River near Confluence affecting Somerset County. * WHAT...Minor flooding is occurring and minor flooding is forecast. * WHERE...Youghiogheny River near Confluence. * WHEN...From this morning to this evening. * IMPACTS...At 12.0 feet, The right bank of the river overflows downstream of confluence and about 1/4 mile upstream from the gaging station. * ADDITIONAL DETAILS... - At 7:45 AM EDT Tuesday the stage was 12.3 feet. - Bankfull stage is 11.0 feet. - Forecast...The river is expected to rise to a crest of 13.0 feet this afternoon. It will then fall below flood stage late this afternoon. - Flood stage is 12.0 feet. - http://www.weather.gov/safety/flood |
| Alert: | Flood Watch |
| Area(s): | Columbiana; Beaver; Allegheny; Westmoreland; Westmoreland Ridges |
| Effective: | 2026-08-11 @ 6:06 am -> 2026-08-11 @ 4:00 pm |
| Onset: | 2026-08-11 @ 6:06 am -> 2026-08-12 @ 7:00 am |
| Severity: | Severe |
| Certainty: | Possible |
| Urgency: | Future |
| Issued By: | NWS Pittsburgh PA on 2026-08-11 @ 6:06 am |
| Headline: | Flood Watch issued August 11 at 7:06AM EDT until August 12 at 8:00AM EDT by NWS Pittsburgh PA |
| Description: |
Repetitive rounds of precipitation through Tuesday night will raise flash flood potential. * WHAT...Flash flooding caused by excessive rainfall continues to be possible. * WHERE...Portions of east central Ohio, including the following area, Columbiana and Pennsylvania, including the following areas, Allegheny, Beaver, Higher Elevations of Westmoreland and Westmoreland. * WHEN...Through Wednesday morning. * IMPACTS...Excessive runoff may result in flooding of rivers, creeks, streams, and other low-lying and flood-prone locations. Creeks and streams may rise out of their banks. * ADDITIONAL DETAILS... - Additional rainfall through Tuesday night is expected to average from 1.0 to 1.5 inches across the watch area. However, there is the potential for isolated locations to receive an additional 2 to 3 inches. With the soil already saturated, such rain totals could create flash flooding conditions. - http://www.weather.gov/safety/flood |
| Alert: | Flood Watch |
| Area(s): | Tuscarawas; Carroll; Coshocton; Harrison; Jefferson; Muskingum; Guernsey; Belmont; Noble; Monroe; Washington; Greene; Fayette; Fayette Ridges; Hancock; Brooke; Ohio; Marshall; Wetzel; Marion; Monongalia; Ridges of Eastern Monongalia and Northwestern Preston; Preston; Eastern Preston; Western Tucker; Eastern Tucker |
| Effective: | 2026-08-11 @ 6:06 am -> 2026-08-11 @ 4:00 pm |
| Onset: | 2026-08-11 @ 6:06 am -> 2026-08-12 @ 7:00 am |
| Severity: | Severe |
| Certainty: | Possible |
| Urgency: | Future |
| Issued By: | NWS Pittsburgh PA on 2026-08-11 @ 6:06 am |
| Headline: | Flood Watch issued August 11 at 7:06AM EDT until August 12 at 8:00AM EDT by NWS Pittsburgh PA |
| Description: |
Repetitive rounds of precipitation through Tuesday night will raise flash flood potential. * WHAT...Flash flooding caused by excessive rainfall continues to be possible. * WHERE...Portions of east central Ohio, including the following areas, Belmont, Carroll, Coshocton, Guernsey, Harrison, Jefferson OH, Monroe, Muskingum, Noble and Tuscarawas, southwest Pennsylvania, including the following areas, Fayette, Greene, Higher Elevations of Fayette and Washington, and West Virginia, including the following areas, Brooke, Eastern Preston, Eastern Tucker, Hancock, Marion, Marshall, Monongalia, Ohio, Preston, Ridges of Eastern Monongalia and Northwestern Preston, Western Tucker and Wetzel. * WHEN...Through Wednesday morning. * IMPACTS...Excessive runoff may result in flooding of rivers, creeks, streams, and other low-lying and flood-prone locations. Creeks and streams may rise out of their banks. * ADDITIONAL DETAILS... - Additional rainfall through Tuesday night is expected to average from 1.0 to 1.5 inches across the watch area. However, there is the potential for isolated locations to receive an additional 2 to 3 inches. With the soil already saturated, such rain totals could create flash flooding conditions. - http://www.weather.gov/safety/flood |
| Alert: | Flood Watch |
| Area(s): | Somerset |
| Effective: | 2026-08-11 @ 1:38 am -> 2026-08-11 @ 5:15 pm |
| Onset: | 2026-08-11 @ 1:38 am -> 2026-08-12 @ 4:00 am |
| Severity: | Severe |
| Certainty: | Possible |
| Urgency: | Future |
| Issued By: | NWS State College PA on 2026-08-11 @ 1:38 am |
| Headline: | Flood Watch issued August 11 at 2:38AM EDT until August 12 at 5:00AM EDT by NWS State College PA |
| Description: |
* WHAT...Flash flooding caused by excessive rainfall is possible. * WHERE...Somerset county. * WHEN...Through late tonight. * IMPACTS...Excessive runoff may result in flooding of rivers, creeks, streams, and other low-lying and flood-prone locations. Creeks and streams may rise out of their banks. * ADDITIONAL DETAILS... - Several rounds of thunderstorms today and tonight will track southeast across the region and bring another 1 to 2 inches of rain to most parts of Somerset county. Localized additional rainfall amounts of up to 3 inches are possible where multiple storms train over the same area. - http://www.weather.gov/safety/flood |