1 advisory is in effect for San Miguel County, CO. The most serious is a winter weather advisory.
Since 2016 the National Weather Service has issued about 132 alerts that included San Miguel County, roughly 13 a year. The most common is the flood advisory (63 from 2016 to 2025). The last tornado warning was issued on September 13, 2025.
Updated from the National Weather Service · lists refresh hourly; the live map loads current alerts directly from the NWS
WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 9 PM MST THIS EVENING ABOVE 9000 FEET
* WHAT...Snow above 9000 feet. Additional snow accumulations up to 4 inches. * WHERE...Southwest San Juan Mountains. * WHEN...Until 9 PM MST this evening. * IMPACTS...Travel could be very difficult.
What to do: Slow down and use caution while traveling. The latest road conditions for the state you are calling from can be obtained by calling 5 1 1.
| Issued | Alert | Area |
|---|---|---|
| Nov 14, 12:32 PM EST | Winter Weather Advisory | Southwest San Juan Mountains |
Alert events that included San Miguel County or its forecast zones, from the NWS warning archive.
| Alert type | 2016–2025 | 2026 | Last issued |
|---|---|---|---|
| Flood Advisory | 63 | 11 | November 1, 2026 |
| Flash Flood Warning | 33 | 19 | October 22, 2026 |
| Severe Thunderstorm Warning | 27 | 4 | September 15, 2026 |
| Severe Thunderstorm Watch | 4 | 1 | October 22, 2026 |
| Flood Warning | 2 | 3 | November 1, 2026 |
| Snow Squall Warning | 2 | 0 | February 27, 2024 |
| Tornado Warning | 1 | 0 | September 13, 2025 |
No tornadoes are recorded in San Miguel County in the NOAA Storm Prediction Center database since 1950.