Lyon County weather alerts
There are no active weather alerts for Lyon County, NV right now.
Since 2016 the National Weather Service has issued about 665 alerts that included Lyon County, roughly 67 a year. The most common is the red flag warning (127 from 2016 to 2025). The last tornado warning was issued on August 13, 2026. 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 Lyon County at the moment. This page updates automatically when the National Weather Service issues one. Check neighboring Mineral County, Washoe County, Douglas County, Storey County.
Lyon County alert history
Alert events that included Lyon County or its forecast zones, from the NWS warning archive.
| Alert type | 2016–2025 | 2026 | Last issued |
|---|---|---|---|
| Red Flag Warning | 127 | 13 | October 10, 2026 |
| Wind Advisory | 104 | 6 | November 13, 2026 |
| Fire Weather Watch | 99 | 7 | October 10, 2026 |
| Flood Advisory | 73 | 6 | August 14, 2026 |
| Winter Weather Advisory | 39 | 2 | February 17, 2026 |
| Severe Thunderstorm Warning | 32 | 8 | August 14, 2026 |
| Flood Watch | 27 | 3 | August 12, 2026 |
| High Wind Watch | 24 | 0 | March 27, 2025 |
| Flood Warning | 23 | 0 | June 2, 2023 |
| High Wind Warning | 22 | 0 | March 12, 2025 |
| Flash Flood Warning | 22 | 0 | August 26, 2025 |
| Heat Advisory | 20 | 3 | August 5, 2026 |
| Freeze Watch | 10 | 1 | April 17, 2026 |
| Freeze Warning | 10 | 1 | April 17, 2026 |
| Winter Storm Watch | 6 | 0 | February 24, 2023 |
| Winter Storm Warning | 6 | 0 | February 4, 2024 |
| Dust Storm Warning | 6 | 0 | May 17, 2025 |
| Extreme Heat Warning | 5 | 0 | July 6, 2024 |
| Extreme Heat Watch | 5 | 1 | August 6, 2026 |
| Snow Squall Warning | 4 | 0 | March 3, 2024 |
| Blizzard Warning | 1 | 0 | January 31, 2016 |
| Tornado Warning | 0 | 1 | August 13, 2026 |
Tornado history in Lyon County
5 tornadoes have been recorded in Lyon County since 1950. That ranks 7 of 17 counties in Nevada. The most recent was on June 11, 1998 (rated F0).
Strongest tornadoes in Lyon County
| Date | Rating | County | Path length | Width | Deaths | Injuries |
|---|---|---|---|---|---|---|
| June 7, 1989 | F0 | Lyon County | 1 mi | 10 yd | 0 | 0 |
| June 5, 1995 | F0 | Lyon County | 0.5 mi | 300 yd | 0 | 0 |
| June 9, 1997 | F0 | Lyon County | 0.1 mi | 10 yd | 0 | 0 |
| June 11, 1998 | F0 | Lyon County | 0.1 mi | 30 yd | 0 | 0 |
| June 11, 1998 | F0 | Lyon County | 0.1 mi | 30 yd | 0 | 0 |
Most recent tornadoes
| Date | Rating | County | Path length | Width | Deaths | Injuries |
|---|---|---|---|---|---|---|
| June 11, 1998 | F0 | Lyon County | 0.1 mi | 30 yd | 0 | 0 |
| June 11, 1998 | F0 | Lyon County | 0.1 mi | 30 yd | 0 | 0 |
| June 9, 1997 | F0 | Lyon County | 0.1 mi | 10 yd | 0 | 0 |
| June 5, 1995 | F0 | Lyon County | 0.5 mi | 300 yd | 0 | 0 |
| June 7, 1989 | F0 | Lyon County | 1 mi | 10 yd | 0 | 0 |
About Lyon County
- Population: 63,718 (2024 estimate)
- State: Nevada
- NOAA Weather Radio SAME code: 032019 (how to use it)