Weather Alerts Map

Grand Isle County weather alerts

There are no active weather alerts for Grand Isle County, VT right now.

Since 2016 the National Weather Service has issued about 447 alerts that included Grand Isle County, roughly 45 a year. The most common is the severe thunderstorm warning (91 from 2016 to 2025). No tornado warnings were recorded here in that period.

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 Isle County at the moment. This page updates automatically when the National Weather Service issues one. Check neighboring Franklin County, Clinton County, Chittenden County.

Map data: NWS, OpenFreeMap, OpenStreetMap

Grand Isle County alert history

Alert events that included Grand Isle County or its forecast zones, from the NWS warning archive.

Alert type2016–20252026Last issued
Severe Thunderstorm Warning919August 10, 2026
Winter Weather Advisory694March 31, 2026
Wind Advisory444October 16, 2026
Severe Thunderstorm Watch312July 15, 2026
Snow Squall Warning313January 22, 2026
Winter Storm Watch261January 25, 2026
Winter Storm Warning262February 20, 2026
Flood Watch231March 9, 2026
Heat Advisory222July 14, 2026
Frost Advisory201October 7, 2026
Flood Warning160August 9, 2024
Cold Weather Advisory133February 8, 2026
High Wind Warning60December 19, 2025
Extreme Cold Warning51January 24, 2026
Tornado Watch51June 18, 2026
Extreme Cold Watch42February 7, 2026
Flash Flood Warning30July 11, 2024
Dense Fog Advisory30December 28, 2023
Extreme Heat Warning21July 1, 2026
Freeze Warning20May 13, 2020
Blizzard Warning10March 14, 2017
Ice Storm Warning10January 12, 2020
Freeze Watch10May 18, 2023
High Wind Watch10January 9, 2024
Extreme Heat Watch11July 1, 2026

Tornado history

No tornadoes are recorded in Grand Isle County in the NOAA Storm Prediction Center database since 1950.

About Grand Isle County

Neighboring counties