Weather Alerts Map

Lake County weather alerts

There are no active weather alerts for Lake County, MT right now.

Since 2016 the National Weather Service has issued about 66 alerts that included Lake County, roughly 7 a year. The most common is the severe thunderstorm warning (38 from 2016 to 2025). No tornado warnings were recorded here in that period. 4 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 Lake County at the moment. This page updates automatically when the National Weather Service issues one. Check neighboring Flathead County, Sanders County, Missoula County.

Map data: NWS, OpenFreeMap, OpenStreetMap

Lake County alert history

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

Alert type2016–20252026Last issued
Severe Thunderstorm Warning380July 27, 2025
Severe Thunderstorm Watch101May 28, 2026
Flood Advisory90September 22, 2022
Flood Watch71June 28, 2026
Snow Squall Warning23March 14, 2026
Flood Warning02June 29, 2026

Tornado history in Lake County

4 tornadoes have been recorded in Lake County since 1950. That ranks 30 of 56 counties in Montana. The most recent was on May 9, 2023 (rated EF0).

EF0: 4EF04EF1: 0EF1EF2: 0EF2EF3: 0EF3EF4: 0EF4EF5: 0EF5
Tornadoes by (E)F rating

Strongest tornadoes in Lake County

DateRatingCountyPath lengthWidthDeathsInjuries
July 18, 2007EF0Lake County1 mi50 yd00
September 1, 2011EF0Lake County0.7 mi3 yd00
May 9, 2023EF0Lake County0.5 mi15 yd00
March 3, 1991F0Lake County0.1 mi10 yd00

Most recent tornadoes

DateRatingCountyPath lengthWidthDeathsInjuries
May 9, 2023EF0Lake County0.5 mi15 yd00
September 1, 2011EF0Lake County0.7 mi3 yd00
July 18, 2007EF0Lake County1 mi50 yd00
March 3, 1991F0Lake County0.1 mi10 yd00

Montana tornado history and map →

About Lake County

Neighboring counties