Jefferson County weather alerts
There are no active weather alerts for Jefferson County, OR right now.
Since 2016 the National Weather Service has issued about 31 alerts that included Jefferson County, roughly 3 a year. The most common is the severe thunderstorm warning (22 from 2016 to 2025). No tornado warnings were recorded here in that period. 3 tornadoes have touched down in the county since 1950.
Updated from the National Weather Service · lists refresh hourly; the live map loads current alerts directly from the NWS
No warnings, watches or advisories include Jefferson County at the moment. This page updates automatically when the National Weather Service issues one. Check neighboring Linn County, Marion County, Deschutes County, Wasco County.
Jefferson County alert history
Alert events that included Jefferson County or its forecast zones, from the NWS warning archive.
| Alert type | 2016–2025 | 2026 | Last issued |
|---|---|---|---|
| Severe Thunderstorm Warning | 22 | 1 | May 28, 2026 |
| Severe Thunderstorm Watch | 4 | 1 | May 28, 2026 |
| Flash Flood Warning | 3 | 0 | December 19, 2025 |
| Flood Advisory | 2 | 0 | August 10, 2019 |
Tornado history in Jefferson County
3 tornadoes have been recorded in Jefferson County since 1950. That ranks 18 of 36 counties in Oregon. The most recent was on July 28, 2025 (rated EF0).
Strongest tornadoes in Jefferson County
| Date | Rating | County | Path length | Width | Deaths | Injuries |
|---|---|---|---|---|---|---|
| July 16, 1993 | F0 | Jefferson County | 0.5 mi | 20 yd | 0 | 0 |
| June 9, 2004 | F0 | Jefferson County | 0.5 mi | 20 yd | 0 | 0 |
| July 28, 2025 | EF0 | Jefferson County | 0.1 mi | 10 yd | 0 | 0 |
Most recent tornadoes
| Date | Rating | County | Path length | Width | Deaths | Injuries |
|---|---|---|---|---|---|---|
| July 28, 2025 | EF0 | Jefferson County | 0.1 mi | 10 yd | 0 | 0 |
| June 9, 2004 | F0 | Jefferson County | 0.5 mi | 20 yd | 0 | 0 |
| July 16, 1993 | F0 | Jefferson County | 0.5 mi | 20 yd | 0 | 0 |
About Jefferson County
- Population: 25,536 (2024 estimate)
- State: Oregon
- NOAA Weather Radio SAME code: 041031 (how to use it)