Montana Severe Severe Thunderstorm Warning | Effective 09/06/2026 18:24

Headline: 
Severe Thunderstorm Warning issued September 6 at 7:24PM MDT until September 6 at 7:45PM MDT by NWS Great Falls MT
Event: 
Severe Thunderstorm Warning
Urgency: 
Immediate
Effective: 
September 6, 2026 - 6:24pm
Expires: 
September 6, 2026 - 6:45pm
Description: 
At 724 PM MDT, a severe thunderstorm was located near Geyser, or 20 miles northwest of Stanford, moving northeast at 10 mph. HAZARD...Quarter size hail. SOURCE...Radar indicated. IMPACT...Damage to vehicles is expected. This severe thunderstorm will remain over mainly rural areas of north central Judith Basin and southern Chouteau Counties.
Instruction: 
For your protection move to an interior room on the lowest floor of a building. Continuous cloud to ground lightning is occurring with this storm. Move indoors immediately. Lightning is one of nature's leading killers. Remember, if you can hear thunder, you are close enough to be struck by lightning. Torrential rainfall is occurring with this storm, and may lead to flash flooding. Do not drive your vehicle through flooded roadways.
Area Description: 
Chouteau, MT; Judith Basin, MT
Forcast Office: 
NWS Great Falls MT
Sender: 
w-nws.webmaster@noaa.gov