Ontario County, New York: tornado and severe weather warnings
Nothing is in effect for Ontario County as of 7:02 PM EDT: no warnings, watches or advisories. This page checks the National Weather Service every minute.
Open the live map on Ontario 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 Ontario County. Tap your own street on it for times that apply to you.
The last 12 months in Ontario County
- 1 tornado warnings
- 24 severe thunderstorm warnings
- 1 flash flood warnings
- 1 tornado watches
- 4 severe thunderstorm watches
The most recent tornado warning that included Ontario County was issued Jul 18, 2026 by the Weather Service office in Buffalo, NY.
| Date | Issued | Type | Office | Product |
|---|---|---|---|---|
| Oct 16, 2026 | 9:09 AM EDT | Severe thunderstorm warning | BUF | text |
| Sep 2, 2026 | 7:40 PM EDT | Severe thunderstorm warning | BUF | text |
| Sep 2, 2026 | 6:51 PM EDT | Severe thunderstorm warning | BUF | text |
| Sep 2, 2026 | 6:17 PM EDT | Severe thunderstorm warning | BUF | text |
| Sep 2, 2026 | 8:40 AM EDT | Severe thunderstorm warning | BUF | text |
| Sep 2, 2026 | 8:18 AM EDT | Severe thunderstorm warning | BUF | text |
| Aug 12, 2026 | 6:24 PM EDT | Severe thunderstorm warning | BUF | text |
| Aug 12, 2026 | 6:17 PM EDT | Severe thunderstorm warning | BUF | text |
| Jul 21, 2026 | 7:58 PM EDT | Severe thunderstorm warning | BUF | text |
| Jul 21, 2026 | 6:14 PM EDT | Severe thunderstorm warning | BUF | text |
| Jul 21, 2026 | 5:51 PM EDT | Severe thunderstorm warning | BUF | text |
| Jul 18, 2026 | 4:05 PM EDT | Flash flood warning | BUF | text |
A warning counts here if the Weather Service listed Ontario County in it, even if the warned area covered only part of the county.
Nearby
- Yates County, NY
- Seneca County, NY
- Livingston County, NY
- Wayne County, NY
- Monroe County, NY
- Schuyler County, NY
- Cayuga County, NY
- Steuben County, NY
- All of New York
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.