NWS Billings MTSV.W 0012May 30, 2026
Severe Thunderstorm Warning: Big Horn and Rosebud, MT
The National Weather Service office in Billings issued a severe thunderstorm warning for Big Horn and Rosebud in Montana, which was in force until 7:30 p.m. local time on May 30. It was the 12th severe thunderstorm warning the NWS office in Billings issued in 2026. Montana had 41 severe thunderstorm warnings in May 2026, against 27 in an average May of 2008-2025 (Montana's severe thunderstorm warnings by year).
ExpiredWarning
In force for 50 minutes; it has expired. The agency may have replaced it with a new notice.
The notice
- Issued by
- National Weather Service, Billings MT
- Area
- Big Horn and Rosebud
- State
- Montana
- Level
- Warning
- Issued
- 6:40 p.m. MDT, May 30, 2026
- Expires
- 7:30 p.m. MDT, May 30, 2026
- CAP severity, certainty, urgency
- Severe, Observed, Immediate
- VTEC event
- KBYZ SV.W 0012
- Official source
- National Weather Service: the notice at its source
Severe Thunderstorm Warnings in Montana since 2008Every warning type in Montana
Source: National Weather Service: the notice at its source. AreaZine rebuilds this page from the agency's record; the agency's page is the one to act on. A U.S. Government work, in the public domain.
The notice as issued
SVRBYZ The National Weather Service in Billings has issued a * Severe Thunderstorm Warning for... Southeastern Big Horn County in south central Montana... Southern Rosebud County in southeastern Montana... * Until 730 PM MDT. * At 640 PM MDT, a severe thunderstorm was located 29 miles northeast of Sheridan, moving east at 15 mph. HAZARD...Quarter size hail. SOURCE...Radar indicated. IMPACT...Damage to vehicles is expected. * Locations impacted include... Mainly rural areas of Southeastern Big Horn and Southern Rosebud Counties.
What the agency told people to do
Seek shelter inside a well-built structure and stay away from windows. This storm is capable of producing large hail.
Source: National Weather Service: the notice at its source. The text is the agency's, unedited. A U.S. Government work, in the public domain.
The record around this notice
- Severe Thunderstorm Warnings in Montana since 2008343 a year
- Every warning type in Montana
- Severe Thunderstorm Warning: what it means, and the states that get the most20,005 a year
- NWS notices, May 20262,688 in the month
- The latest from the National Weather Service
- Warning, watch or advisory: the three NWS levels