Weather Alerts Map

Cascade County weather alerts

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

Since 2016 the National Weather Service has issued about 1,038 alerts that included Cascade County, roughly 104 a year. The most common is the winter weather advisory (264 from 2016 to 2025). No tornado warnings were recorded here in that period. 13 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 Cascade County at the moment. This page updates automatically when the National Weather Service issues one. Check neighboring Lewis and Clark County, Meagher County, Judith Basin County, Teton County.

Map data: NWS, OpenFreeMap, OpenStreetMap

Cascade County alert history

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

Alert type2016–20252026Last issued
Winter Weather Advisory2646October 23, 2026
Severe Thunderstorm Warning17726September 7, 2026
High Wind Warning11210November 8, 2026
High Wind Watch9411November 8, 2026
Winter Storm Watch653October 10, 2026
Flood Advisory648September 7, 2026
Winter Storm Warning622October 10, 2026
Cold Weather Advisory511February 18, 2026
Severe Thunderstorm Watch358September 6, 2026
Dense Fog Advisory264November 1, 2026
Flood Watch253September 18, 2026
Flood Warning140May 17, 2023
Heat Advisory132July 24, 2026
Flash Flood Warning110August 1, 2025
Extreme Cold Warning110February 17, 2025
Snow Squall Warning90December 27, 2025
Blizzard Warning21March 14, 2026
Extreme Cold Watch20February 11, 2025
Extreme Heat Watch12August 1, 2026
Extreme Heat Warning02August 1, 2026

Tornado history in Cascade County

13 tornadoes have been recorded in Cascade County since 1950. That ranks 13 of 56 counties in Montana. The most recent was on July 5, 2000 (rated F0).

EF0: 5EF05EF1: 7EF17EF2: 1EF21EF3: 0EF3EF4: 0EF4EF5: 0EF5
Tornadoes by (E)F rating

Strongest tornadoes in Cascade County

DateRatingCountyPath lengthWidthDeathsInjuries
June 30, 1975F2Cascade County0.1 mi10 yd00
July 3, 1978F1Cascade County1 mi300 yd00
July 3, 1978F1Cascade County1 mi300 yd00
July 3, 1978F1Cascade County1 mi300 yd00
July 3, 1998F1Cascade County0.5 mi50 yd00

Most recent tornadoes

DateRatingCountyPath lengthWidthDeathsInjuries
July 5, 2000F0Cascade County1 mi10 yd00
July 3, 1998F1Cascade County0.5 mi50 yd00
June 21, 1993F0Cascade County0.1 mi10 yd00
July 5, 1988F1Cascade County0.2 mi10 yd00
May 26, 1980F0Cascade County0.1 mi10 yd00

Montana tornado history and map →

About Cascade County

Neighboring counties