San Juan County weather alerts
There are no active weather alerts for San Juan County, NM right now.
Since 2016 the National Weather Service has issued about 306 alerts that included San Juan County, roughly 31 a year. The most common is the flood advisory (100 from 2016 to 2025). No tornado warnings were recorded here in that period. 11 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 San Juan County at the moment. This page updates automatically when the National Weather Service issues one. Check neighboring Archuleta County, Montezuma County, Rio Arriba County, McKinley County.
San Juan County alert history
Alert events that included San Juan County or its forecast zones, from the NWS warning archive.
| Alert type | 2016–2025 | 2026 | Last issued |
|---|---|---|---|
| Flood Advisory | 100 | 24 | October 31, 2026 |
| Winter Weather Advisory | 45 | 0 | May 21, 2019 |
| Winter Storm Warning | 30 | 0 | April 22, 2019 |
| Winter Storm Watch | 29 | 0 | March 31, 2019 |
| Flash Flood Warning | 23 | 12 | November 1, 2026 |
| Severe Thunderstorm Warning | 22 | 8 | October 24, 2026 |
| Wind Advisory | 16 | 0 | May 23, 2019 |
| Flood Watch | 14 | 0 | August 6, 2019 |
| Dust Storm Warning | 10 | 0 | May 29, 2022 |
| Snow Squall Warning | 7 | 4 | February 20, 2026 |
| High Wind Watch | 3 | 0 | April 17, 2018 |
| High Wind Warning | 3 | 0 | April 17, 2018 |
| Severe Thunderstorm Watch | 2 | 1 | October 23, 2026 |
| Flood Warning | 2 | 13 | November 2, 2026 |
| Tornado Watch | 0 | 1 | October 22, 2026 |
Tornado history in San Juan County
11 tornadoes have been recorded in San Juan County since 1950. That ranks 19 of 33 counties in New Mexico. The most recent was on September 22, 2022 (rated unknown).
Strongest tornadoes in San Juan County
| Date | Rating | County | Path length | Width | Deaths | Injuries |
|---|---|---|---|---|---|---|
| May 10, 1957 | F2 | San Juan County | 0.1 mi | 10 yd | 0 | 0 |
| August 30, 1966 | F1 | San Juan County | 1.5 mi | 10 yd | 0 | 0 |
| March 21, 2020 | EF0 | San Juan County | 0.5 mi | 40 yd | 0 | 0 |
| September 10, 2013 | EF0 | San Juan County | 0.2 mi | 10 yd | 0 | 0 |
| September 28, 1990 | F0 | San Juan County | 0.2 mi | 10 yd | 0 | 0 |
Most recent tornadoes
| Date | Rating | County | Path length | Width | Deaths | Injuries |
|---|---|---|---|---|---|---|
| September 22, 2022 | ? | San Juan County | 0.1 mi | 20 yd | 0 | 0 |
| March 21, 2020 | EF0 | San Juan County | 0.5 mi | 40 yd | 0 | 0 |
| June 10, 2015 | EF0 | San Juan County | 0.2 mi | 20 yd | 0 | 0 |
| September 18, 2013 | EF0 | San Juan County | 0.2 mi | 20 yd | 0 | 0 |
| September 10, 2013 | EF0 | San Juan County | 0.2 mi | 10 yd | 0 | 0 |
About San Juan County
- Population: 120,817 (2024 estimate)
- State: New Mexico
- NOAA Weather Radio SAME code: 035045 (how to use it)