Umatilla County weather alerts
There are no active weather alerts for Umatilla County, OR right now.
Since 2016 the National Weather Service has issued about 95 alerts that included Umatilla County, roughly 10 a year. The most common is the severe thunderstorm warning (37 from 2016 to 2025). The last tornado warning was issued on June 8, 2016. 9 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 Umatilla County at the moment. This page updates automatically when the National Weather Service issues one. Check neighboring Grant County, Morrow County, Walla Walla County, Wallowa County.
Umatilla County alert history
Alert events that included Umatilla County or its forecast zones, from the NWS warning archive.
| Alert type | 2016–2025 | 2026 | Last issued |
|---|---|---|---|
| Severe Thunderstorm Warning | 37 | 5 | August 16, 2026 |
| Flood Advisory | 25 | 2 | April 22, 2026 |
| Flood Warning | 25 | 2 | April 22, 2026 |
| Severe Thunderstorm Watch | 4 | 1 | May 28, 2026 |
| Tornado Warning | 2 | 0 | June 8, 2016 |
| Flash Flood Warning | 2 | 0 | August 30, 2025 |
Tornado history in Umatilla County
9 tornadoes have been recorded in Umatilla County since 1950. That ranks 2 of 36 counties in Oregon. The most recent was on March 5, 2024 (rated EF0).
Strongest tornadoes in Umatilla County
| Date | Rating | County | Path length | Width | Deaths | Injuries |
|---|---|---|---|---|---|---|
| May 6, 2022 | EF1 | Umatilla County | 2.9 mi | 175 yd | 0 | 0 |
| May 6, 2009 | EF1 | Umatilla County | 1.6 mi | 40 yd | 0 | 0 |
| July 13, 2002 | F0 | Umatilla County | 0.2 mi | 10 yd | 0 | 0 |
| March 5, 2024 | EF0 | Umatilla County | 0.2 mi | 3 yd | 0 | 0 |
| June 27, 2023 | EF0 | Umatilla County | 0.1 mi | 10 yd | 0 | 0 |
Most recent tornadoes
| Date | Rating | County | Path length | Width | Deaths | Injuries |
|---|---|---|---|---|---|---|
| March 5, 2024 | EF0 | Umatilla County | 0.2 mi | 3 yd | 0 | 0 |
| June 27, 2023 | EF0 | Umatilla County | 0.1 mi | 10 yd | 0 | 0 |
| June 11, 2022 | ? | Umatilla County | 0 mi | 15 yd | 0 | 0 |
| May 6, 2022 | EF1 | Umatilla County | 2.9 mi | 175 yd | 0 | 0 |
| May 6, 2009 | EF1 | Umatilla County | 1.6 mi | 40 yd | 0 | 0 |
About Umatilla County
- Population: 80,491 (2024 estimate)
- State: Oregon
- NOAA Weather Radio SAME code: 041059 (how to use it)