Severe Thunderstorm Watch — Sweet Grass County, Montana
Conditions favor the development of severe thunderstorms in and near the watch area.
Current Status
⛈️ Active: Severe Thunderstorm Watch
Severe Thunderstorm Watch issued August 23 at 3:50PM MDT until August 23 at 7:00PM MDT by NWS Billings MT
SEVERE THUNDERSTORM WATCH 617 REMAINS VALID UNTIL 7 PM MDT THIS EVENING FOR THE FOLLOWING AREAS IN MONTANA THIS WATCH INCLUDES 6 COUNTIES IN CENTRAL MONTANA GOLDEN VALLEY WHEATLAND IN SOUTH CENTRAL MONTANA CARBON PARK STILLWATER SWEET GRASS THIS INCLUDES THE CITIES OF ABSAROKEE, BIG TIMBER, BRIDGER, COLUMBUS, HARLOWTON, JOLIET, LAVINA, LIVINGSTON, RED LODGE, AND RYEGATE.
Effective August 23, 2026 at 5:50 PM ET · Expires August 23, 2026 at 9:00 PM ET
Event Details
Event Type
Severe Thunderstorm Watch
Severity
severe
Issued By
NWS Billings MT
Expires
August 23, 2026 at 9:00 PM ET
Last Checked
2 minutes ago
Also In Effect For
This same Severe Thunderstorm Watch also covers:
Other Active Alerts in Montana
Severe Thunderstorm Watch
Severe Thunderstorm Watch
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Get Severe Thunderstorm Watch Alerts for Sweet Grass County
StormCast checks the NWS feed continuously and pushes alerts like this directly to your phone — even with the screen off.
Frequently Asked Questions
What does a Severe Thunderstorm Watch mean for Sweet Grass County, Montana?
Conditions favor the development of severe thunderstorms in and near the watch area.
Is this Severe Thunderstorm Watch currently active?
Yes — this alert is active as of our last check (2 minutes ago). It's set to expire August 23, 2026 at 9:00 PM ET.
How do I get notified about Severe Thunderstorm Watch alerts for Sweet Grass County?
Download StormCast free on Google Play and set Sweet Grass 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.
What other areas does this alert cover?
This same Severe Thunderstorm Watch is also in effect for Golden Valley County, Park County, Wheatland County, Stillwater County, Carbon County.