Freeze Watch
FREEZE WATCH IN EFFECT FROM LATE SATURDAY NIGHT THROUGH SUNDAY MORNING
Take steps now to protect tender plants from the cold.
Jefferson County, Pennsylvania: tornado and severe weather warnings
A freeze watch is in effect for Jefferson County as of 4:48 PM EDT.
Open the live map on Jefferson County Get a message when a warning reaches your address
The map shows radar, every warning shape, and the path and arrival time of each storm cell headed toward the center of Jefferson County. Tap your own street on it for times that apply to you.
The last 12 months in Jefferson County
- 5 tornado warnings
- 38 severe thunderstorm warnings
- 17 flash flood warnings
- 2 tornado watches
- 15 severe thunderstorm watches
The most recent tornado warning that included Jefferson County was issued Jul 21, 2026 by the Weather Service office in Pittsburgh, PA.
| Date | Issued | Type | Office | Product |
|---|---|---|---|---|
| Sep 12, 2026 | 4:20 PM EDT | Severe thunderstorm warning | PBZ | text |
| Sep 3, 2026 | 5:12 PM EDT | Severe thunderstorm warning | PBZ | text |
| Sep 3, 2026 | 3:05 AM EDT | Flash flood warning | PBZ | text |
| Sep 2, 2026 | 5:53 PM EDT | Severe thunderstorm warning | PBZ | text |
| Sep 2, 2026 | 9:27 AM EDT | Severe thunderstorm warning | PBZ | text |
| Sep 2, 2026 | 8:36 AM EDT | Severe thunderstorm warning | PBZ | text |
| Sep 1, 2026 | 6:40 PM EDT | Severe thunderstorm warning | PBZ | text |
| Aug 22, 2026 | 7:01 PM EDT | Severe thunderstorm warning | PBZ | text |
| Aug 22, 2026 | 6:59 PM EDT | Flash flood warning | PBZ | text |
| Aug 20, 2026 | 11:29 AM EDT | Flash flood warning | PBZ | text |
| Aug 20, 2026 | 9:59 AM EDT | Flash flood warning | PBZ | text |
| Aug 16, 2026 | 7:17 PM EDT | Flash flood warning | PBZ | text |
A warning counts here if the Weather Service listed Jefferson County in it, even if the warned area covered only part of the county.
Nearby
- Clarion County, PA
- Elk County, PA
- Forest County, PA
- Clearfield County, PA
- Armstrong County, PA
- Indiana County, PA
- Venango County, PA
- Cambria County, PA
- All of Pennsylvania
What the alerts mean
Alerts come from the National Weather Service and refresh every minute. Past warnings come from the Iowa Environmental Mesonet's archive of Weather Service products. During a warning, also listen to local radio, TV or a weather radio.