Montana Severe Severe Thunderstorm Warning | Effective 07/16/2026 18:37

Headline: 
Severe Thunderstorm Warning issued July 16 at 7:37PM MDT until July 16 at 8:15PM MDT by NWS Billings MT
Event: 
Severe Thunderstorm Warning
Urgency: 
Immediate
Effective: 
July 16, 2026 - 6:37pm
Expires: 
July 16, 2026 - 7:15pm
Description: 
At 737 PM MDT, a severe thunderstorm was located 17 miles east of Ryegate, or 18 miles west of Roundup, moving southeast at 20 mph. HAZARD...Golf ball size hail and 70 mph wind gusts. SOURCE...At 725 PM, a mesonet station 7 miles north of Lavina recored a wind gust to 66 mph. IMPACT...People and animals outdoors will be injured. Expect hail damage to roofs, siding, windows, and vehicles. Expect considerable tree damage. Wind damage is also likely to mobile homes, roofs, and outbuildings. Locations impacted include... Lavina.
Instruction: 
Anyone outdoors should move to shelter inside a well-built structure and stay away from windows. This storm has produced widespread damaging winds and is capable of producing dangerous hail. Torrential rainfall is also occurring with this storm and may lead to flash flooding. Do not drive your vehicle through flooded roadways.
Area Description: 
Golden Valley, MT; Musselshell, MT
Forcast Office: 
NWS Billings MT