Canyon County weather alerts
There are no active weather alerts for Canyon County, ID right now.
Since 2016 the National Weather Service has issued about 64 alerts that included Canyon County, roughly 6 a year. The most common is the severe thunderstorm warning (44 from 2016 to 2025). No tornado warnings were recorded here in that period. 6 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 Canyon County at the moment. This page updates automatically when the National Weather Service issues one. Check neighboring Gem County, Payette County, Owyhee County, Malheur County.
Canyon County alert history
Alert events that included Canyon County or its forecast zones, from the NWS warning archive.
| Alert type | 2016–2025 | 2026 | Last issued |
|---|---|---|---|
| Severe Thunderstorm Warning | 44 | 9 | July 23, 2026 |
| Flood Advisory | 12 | 2 | June 27, 2026 |
| Severe Thunderstorm Watch | 4 | 1 | May 28, 2026 |
| Flood Warning | 1 | 0 | March 7, 2017 |
| Dust Storm Warning | 1 | 0 | June 23, 2021 |
| Flash Flood Warning | 1 | 0 | August 1, 2021 |
| Snow Squall Warning | 1 | 0 | December 25, 2021 |
Tornado history in Canyon County
6 tornadoes have been recorded in Canyon County since 1950. That ranks 11 of 44 counties in Idaho. The most recent was on April 6, 2003 (rated F0).
Strongest tornadoes in Canyon County
| Date | Rating | County | Path length | Width | Deaths | Injuries |
|---|---|---|---|---|---|---|
| May 17, 1996 | F1 | Canyon County | 0.3 mi | 20 yd | 0 | 0 |
| December 15, 2000 | F0 | Canyon County | 1 mi | 30 yd | 0 | 0 |
| April 6, 2003 | F0 | Canyon County | 1 mi | 7 yd | 0 | 0 |
| September 26, 1986 | F0 | Canyon County | 0.5 mi | 10 yd | 0 | 0 |
| April 24, 1991 | F0 | Canyon County | 0.2 mi | 50 yd | 0 | 0 |
Most recent tornadoes
| Date | Rating | County | Path length | Width | Deaths | Injuries |
|---|---|---|---|---|---|---|
| April 6, 2003 | F0 | Canyon County | 1 mi | 7 yd | 0 | 0 |
| December 15, 2000 | F0 | Canyon County | 1 mi | 30 yd | 0 | 0 |
| May 17, 1996 | F1 | Canyon County | 0.3 mi | 20 yd | 0 | 0 |
| April 24, 1991 | F0 | Canyon County | 0.2 mi | 50 yd | 0 | 0 |
| July 30, 1990 | F0 | Canyon County | 0.1 mi | 20 yd | 0 | 0 |
About Canyon County
- Population: 266,892 (2024 estimate)
- State: Idaho
- NOAA Weather Radio SAME code: 016027 (how to use it)
- Cities: Nampa