Gem County weather alerts
There are no active weather alerts for Gem County, ID right now.
Since 2016 the National Weather Service has issued about 62 alerts that included Gem County, roughly 6 a year. The most common is the severe thunderstorm warning (27 from 2016 to 2025). No tornado warnings were recorded here in that period. 2 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 Gem County at the moment. This page updates automatically when the National Weather Service issues one. Check neighboring Valley County, Boise County, Payette County, Adams County.
Gem County alert history
Alert events that included Gem County or its forecast zones, from the NWS warning archive.
| Alert type | 2016–2025 | 2026 | Last issued |
|---|---|---|---|
| Severe Thunderstorm Warning | 27 | 5 | May 28, 2026 |
| Flood Advisory | 15 | 1 | June 27, 2026 |
| Flood Warning | 8 | 0 | April 9, 2019 |
| Severe Thunderstorm Watch | 5 | 1 | May 28, 2026 |
| Flash Flood Warning | 4 | 1 | August 16, 2026 |
| Dust Storm Warning | 2 | 0 | June 23, 2021 |
| Snow Squall Warning | 1 | 0 | December 25, 2021 |
Tornado history in Gem County
2 tornadoes have been recorded in Gem County since 1950. That ranks 31 of 44 counties in Idaho. The most recent was on August 25, 2004 (rated F0).
Strongest tornadoes in Gem County
| Date | Rating | County | Path length | Width | Deaths | Injuries |
|---|---|---|---|---|---|---|
| June 19, 1991 | F1 | Gem County | 0.1 mi | 20 yd | 0 | 0 |
| August 25, 2004 | F0 | Gem County | 0 mi | 16 yd | 0 | 0 |
Most recent tornadoes
| Date | Rating | County | Path length | Width | Deaths | Injuries |
|---|---|---|---|---|---|---|
| August 25, 2004 | F0 | Gem County | 0 mi | 16 yd | 0 | 0 |
| June 19, 1991 | F1 | Gem County | 0.1 mi | 20 yd | 0 | 0 |
About Gem County
- Population: 21,857 (2024 estimate)
- State: Idaho
- NOAA Weather Radio SAME code: 016045 (how to use it)