Grand County weather alerts
There are no active weather alerts for Grand County, UT right now.
Since 2016 the National Weather Service has issued about 224 alerts that included Grand County, roughly 22 a year. The most common is the flood advisory (81 from 2016 to 2025). No tornado warnings were recorded here in that period. 5 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 Grand County at the moment. This page updates automatically when the National Weather Service issues one. Check neighboring San Juan County, Garfield County, Emery County, Uintah County.
Grand County alert history
Alert events that included Grand County or its forecast zones, from the NWS warning archive.
| Alert type | 2016–2025 | 2026 | Last issued |
|---|---|---|---|
| Flood Advisory | 81 | 12 | November 2, 2026 |
| Severe Thunderstorm Warning | 79 | 5 | September 18, 2026 |
| Flash Flood Warning | 50 | 14 | September 16, 2026 |
| Severe Thunderstorm Watch | 5 | 0 | August 25, 2024 |
| Flood Warning | 5 | 3 | October 23, 2026 |
| Snow Squall Warning | 4 | 0 | February 28, 2023 |
Tornado history in Grand County
5 tornadoes have been recorded in Grand County since 1950. That ranks 12 of 29 counties in Utah. The most recent was on September 22, 2006 (rated F0).
Strongest tornadoes in Grand County
| Date | Rating | County | Path length | Width | Deaths | Injuries |
|---|---|---|---|---|---|---|
| May 4, 1961 | F2 | Emery County | 9.4 mi | 67 yd | 0 | 0 |
| June 10, 1970 | F2 | Grand County | 0.1 mi | 10 yd | 0 | 0 |
| September 8, 2000 | F0 | Grand County | 2 mi | 30 yd | 0 | 0 |
| April 18, 2000 | F0 | Grand County | 0.5 mi | 30 yd | 0 | 0 |
| September 22, 2006 | F0 | Grand County | 0.2 mi | 15 yd | 0 | 0 |
Most recent tornadoes
| Date | Rating | County | Path length | Width | Deaths | Injuries |
|---|---|---|---|---|---|---|
| September 22, 2006 | F0 | Grand County | 0.2 mi | 15 yd | 0 | 0 |
| September 8, 2000 | F0 | Grand County | 2 mi | 30 yd | 0 | 0 |
| April 18, 2000 | F0 | Grand County | 0.5 mi | 30 yd | 0 | 0 |
| June 10, 1970 | F2 | Grand County | 0.1 mi | 10 yd | 0 | 0 |
| May 4, 1961 | F2 | Emery County | 9.4 mi | 67 yd | 0 | 0 |
About Grand County
- Population: 9,788 (2024 estimate)
- State: Utah
- NOAA Weather Radio SAME code: 049019 (how to use it)