Severe Thunderstorm Warning — Carter County, Montana
A thunderstorm capable of producing damaging winds of 58+ mph and/or 1-inch hail has been detected.
Current Status
⛈️ Active: Severe Thunderstorm Warning
Severe Thunderstorm Warning issued August 17 at 7:11PM MDT until August 17 at 7:30PM MDT by NWS Billings MT
At 711 PM MDT, a severe thunderstorm was located 22 miles southeast of Ekalaka, moving southeast at 40 mph. HAZARD...Golf ball size hail and 70 mph wind gusts. SOURCE...Radar indicated. 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... Mill Iron.
Effective August 17, 2026 at 9:11 PM ET · Expires August 17, 2026 at 9:30 PM ET
Event Details
Event Type
Severe Thunderstorm Warning
Severity
severe
Issued By
NWS Billings MT
Expires
August 17, 2026 at 9:30 PM ET
Last Checked
1 hour ago
What To Do
📋 Official NWS Guidance
Anyone outdoors should move to shelter inside a well-built structure and stay away from windows. This storm is capable of producing widespread damaging winds and dangerous hail.
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Get Severe Thunderstorm Warning Alerts for Carter County
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Frequently Asked Questions
What does a Severe Thunderstorm Warning mean for Carter County, Montana?
A thunderstorm capable of producing damaging winds of 58+ mph and/or 1-inch hail has been detected.
Is this Severe Thunderstorm Warning currently active?
Yes — this alert is active as of our last check (1 hour ago). It's set to expire August 17, 2026 at 9:30 PM ET.
How do I get notified about Severe Thunderstorm Warning alerts for Carter County?
Download StormCast free on Google Play and set Carter County, Montana as one of your monitored locations. StormCast checks the NWS feed continuously and pushes alerts like this directly to your phone — even with the screen off.