See which Pennsylvania counties have flash flood, tornado or winter storm warnings in effect today
No active warnings or watches in Pennsylvania
Nothing is listed right now. Check your exact location for the latest.
Pennsylvania severe weather alerts by type
What each kind of alert means and where to see it for Pennsylvania.
Pennsylvania tornado watches and warnings
None active in Pennsylvania right now. A tornado watch means tornadoes are possible.
Pennsylvania severe thunderstorm watches and warnings
None active in Pennsylvania right now. A severe thunderstorm has winds of 58 mph or higher, hail 1 inch across or larger, or both.
Pennsylvania flood watches and flash flood warnings
None active in Pennsylvania right now. A flood watch means flooding is possible.
Pennsylvania winter storm, ice storm, snow and blizzard warnings
None active in Pennsylvania right now. Winter alerts run from a watch (possible within about 48 hours) to a warning (occurring or imminent) and an advisory for less serious but still inconvenient conditions.
Pennsylvania heat advisories and extreme heat warnings
None active in Pennsylvania right now. A heat advisory is the lower level and an extreme heat warning the higher level; both based on the heat index.
Pennsylvania wind advisories and high wind warnings
None active in Pennsylvania right now. A wind advisory is for strong winds; a high wind warning is for damaging winds.
Other alert types: Tropical · Fire weather · Coastal · Marine
Pennsylvania tornado history: last tornado, strongest and worst on record
From the NOAA Storm Prediction Center database, 1950 through 2025.
Pennsylvania has 982 tornadoes on record, about 13 a year, and 424 of them since 2000. That ranks Pennsylvania number 26 among the 50 states by count. 34 were rated EF3 or stronger, including 6 rated EF4 or EF5. They caused 49 deaths and 1,050 injuries.
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
|---|---|---|---|---|---|---|---|---|---|
| 9 | 29 | 32 | 35 | 6 | 43 | 7 | 24 | 23 | 22 |
Most Pennsylvania tornadoes have come from May through July. The single busiest month is July (21% of the total).
Counts use each tornado's starting state. Ratings before 2007 use the original Fujita scale. The database ends in 2025, so more recent tornadoes are not included.
Pennsylvania flood map and flood warnings
No flood watch or warning is active in Pennsylvania right now. Flood zones are mapped by FEMA street by street. FEMA's Flood Map Service Center lets you search an address and see its flood zone.
Pennsylvania storm tracker: storms and events
No tracked events involve Pennsylvania right now.
Official sources for Pennsylvania
Pennsylvania emergency managementFEMA: state and local emergency managementNWS Binghamton, NY: warnings and local alertsNWS Cleveland, OH: warnings and local alertsNWS State College, PA: warnings and local alertsNWS Pittsburgh, PA: warnings and local alertsNWS Philadelphia/Mt Holly: warnings and local alertsNWS safety guidesCommon questions
Is there a tornado warning, winter storm warning or other weather warning in Pennsylvania right now?
We do not see an active tornado, winter storm or other warning or watch for Pennsylvania in the latest National Weather Service data. Conditions change quickly, so check your ZIP code for the latest.
When was the last tornado in Pennsylvania, and how many have there been since 2000?
The most recent tornado in the NOAA Storm Prediction Center database for Pennsylvania is September 4, 2025, rated EF0. The database lists 424 Pennsylvania tornadoes since 2000 and 982 since 1950. It runs through 2025, so it does not include later tornadoes.
What was the deadliest tornado in Pennsylvania, and what was the strongest?
By rating, the strongest in the record is May 31, 1985, rated EF4, 7 deaths. It is also the deadliest. Ratings before 2007 use the original Fujita scale.
How does Pennsylvania rank for tornadoes among the states?
Pennsylvania ranks 26th of 50 states by the number of tornadoes since 1950: 982 in all, about 13 a year. 34 were rated EF3 or stronger, 6 of them EF4 or EF5. They caused 49 deaths and 1,050 injuries, and the busiest year was 1998 with 59. Each tornado is counted in the state where it started.
When is tornado season in Pennsylvania?
Most Pennsylvania tornadoes in the record came from May through July. July is the busiest single month, with 21% of the total. Tornadoes can happen in any month.
Where do I find Pennsylvania emergency management and National Weather Service offices?
The state agency is Pennsylvania Emergency Management Agency (https://www.pa.gov/agencies/pema). The National Weather Service offices that cover Pennsylvania include NWS Binghamton, NY, NWS Cleveland, OH, NWS State College, PA, NWS Pittsburgh, PA, NWS Philadelphia/Mt Holly. Evacuation zones and orders come from your county or state emergency management office, not from this site.
Which Pennsylvania cities and counties have their own alert pages?
This site has city pages for Allegheny County (Pittsburgh); Philadelphia County (Philadelphia). Each city page shows the alerts for the center of that city.
Be ready in Pennsylvania
Official-source guides for the weather Pennsylvania sees most.
Cities and counties in Pennsylvania
Live alerts and local storm history for each city, grouped by the county it is in.
Allegheny County: Pittsburgh
Philadelphia County: Philadelphia
Alert data comes from the National Weather Service and is refreshed every 15 minutes.