Clackamas County weather alerts
There are no active weather alerts for Clackamas County, OR right now.
Since 2016 the National Weather Service has issued about 148 alerts that included Clackamas County, roughly 15 a year. The most common is the flood advisory (43 from 2016 to 2025). The last tornado warning was issued on June 27, 2026. 8 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 Clackamas County at the moment. This page updates automatically when the National Weather Service issues one. Check neighboring Marion County, Yamhill County, Multnomah County, Wasco County.
Clackamas County alert history
Alert events that included Clackamas County or its forecast zones, from the NWS warning archive.
| Alert type | 2016–2025 | 2026 | Last issued |
|---|---|---|---|
| Flood Advisory | 43 | 2 | November 10, 2026 |
| Flood Warning | 33 | 1 | March 12, 2026 |
| Severe Thunderstorm Warning | 25 | 0 | September 7, 2025 |
| Frost Advisory | 9 | 7 | October 31, 2026 |
| Cold Weather Advisory | 8 | 3 | January 24, 2026 |
| Wind Advisory | 6 | 1 | September 25, 2026 |
| Extreme Heat Warning | 4 | 0 | August 22, 2025 |
| Winter Weather Advisory | 4 | 2 | April 15, 2026 |
| Severe Thunderstorm Watch | 3 | 0 | March 26, 2025 |
| Tornado Warning | 3 | 1 | June 27, 2026 |
| Flood Watch | 3 | 1 | March 12, 2026 |
| Extreme Heat Watch | 2 | 0 | August 22, 2025 |
| Dense Fog Advisory | 1 | 0 | October 5, 2024 |
| Freeze Warning | 1 | 2 | April 17, 2026 |
| Winter Storm Warning | 1 | 0 | November 17, 2024 |
| Extreme Cold Watch | 1 | 0 | February 12, 2025 |
| Heat Advisory | 1 | 2 | June 22, 2026 |
| Freeze Watch | 0 | 1 | October 31, 2026 |
Tornado history in Clackamas County
8 tornadoes have been recorded in Clackamas County since 1950. That ranks 3 of 36 counties in Oregon. The most recent was on October 22, 2022 (rated EF0).
Strongest tornadoes in Clackamas County
| Date | Rating | County | Path length | Width | Deaths | Injuries |
|---|---|---|---|---|---|---|
| April 12, 1957 | F1 | Clackamas County | 2.5 mi | 50 yd | 0 | 0 |
| October 9, 2000 | F1 | Clackamas County | 0.1 mi | 70 yd | 0 | 0 |
| October 9, 2000 | F1 | Clackamas County | 0.1 mi | 70 yd | 0 | 0 |
| June 13, 2020 | EF0 | Clackamas County | 2 mi | 200 yd | 0 | 0 |
| October 22, 2022 | EF0 | Clackamas County | 0.9 mi | 248 yd | 0 | 0 |
Most recent tornadoes
| Date | Rating | County | Path length | Width | Deaths | Injuries |
|---|---|---|---|---|---|---|
| October 22, 2022 | EF0 | Clackamas County | 0.9 mi | 248 yd | 0 | 0 |
| June 13, 2020 | EF0 | Clackamas County | 2 mi | 200 yd | 0 | 0 |
| October 26, 2009 | EF0 | Clackamas County | 0.4 mi | 60 yd | 0 | 0 |
| October 9, 2000 | F1 | Clackamas County | 0.1 mi | 70 yd | 0 | 0 |
| October 9, 2000 | F1 | Clackamas County | 0.1 mi | 70 yd | 0 | 0 |
About Clackamas County
- Population: 425,857 (2024 estimate)
- State: Oregon
- NOAA Weather Radio SAME code: 041005 (how to use it)