Weather Alerts Map

Carter County weather alerts

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

Since 2016 the National Weather Service has issued about 679 alerts that included Carter County, roughly 68 a year. The most common is the severe thunderstorm warning (218 from 2016 to 2025). The last tornado warning was issued on June 19, 2022. 18 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 Carter County at the moment. This page updates automatically when the National Weather Service issues one. Check neighboring Butte County, Custer County, Powder River County, Crook County.

Map data: NWS, OpenFreeMap, OpenStreetMap

Recent alerts in Carter County

IssuedAlertArea
Nov 14, 4:02 AM ESTDense Fog AdvisoryFallon; Carter

Carter County alert history

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

Alert type2016–20252026Last issued
Severe Thunderstorm Warning21837September 6, 2026
Winter Weather Advisory1174March 14, 2026
Severe Thunderstorm Watch819August 30, 2026
Cold Weather Advisory512January 25, 2026
Winter Storm Watch332April 2, 2026
High Wind Warning325September 14, 2026
Winter Storm Warning242April 2, 2026
Dense Fog Advisory225November 14, 2026
High Wind Watch202March 11, 2026
Flood Watch151September 19, 2026
Heat Advisory140August 19, 2025
Flash Flood Warning90June 16, 2025
Flood Advisory87September 20, 2026
Blizzard Warning70December 21, 2022
Extreme Cold Warning70February 17, 2025
Tornado Warning50June 19, 2022
Extreme Heat Warning53August 1, 2026
Tornado Watch50June 23, 2023
Flood Warning30July 29, 2020
Extreme Heat Watch33August 1, 2026

Tornado history in Carter County

18 tornadoes have been recorded in Carter County since 1950. That ranks 4 of 56 counties in Montana. The most recent was on July 19, 2019 (rated EF1).

EF0: 9EF09EF1: 7EF17EF2: 1EF21EF3: 1EF31EF4: 0EF4EF5: 0EF5
Tornadoes by (E)F rating

Strongest tornadoes in Carter County

DateRatingCountyPath lengthWidthDeathsInjuries
June 17, 2014EF3Carter County10 mi880 yd00
June 28, 2018EF2Carter County6.6 mi200 yd00
June 12, 2011EF1Carter County5.2 mi100 yd00
July 26, 1954F1Carter County2.7 mi17 yd00
June 3, 1971F1Carter County2 mi10 yd00

Most recent tornadoes

DateRatingCountyPath lengthWidthDeathsInjuries
July 19, 2019EF1Carter County0.5 mi100 yd00
June 28, 2018EF2Carter County6.6 mi200 yd00
June 28, 2018EF0Carter County0 mi25 yd00
June 28, 2018EF0Carter County4 mi50 yd00
June 28, 2018EF0Carter County10 mi50 yd00

Montana tornado history and map →

About Carter County

Neighboring counties