Special Weather Statement issued August 15 at 6:01PM MDT by NWS

...ISOLATED THUNDERSTORM WILL AFFECT SOUTHEASTERN MADISON... SOUTHEASTERN BEAVERHEAD AND SOUTH CENTRAL GALLATIN COUNTIES... At 556 PM MDT, isolated thunderstorms will continue generating over southern portions of Beaverhead, Madison, and Gallatin Counties through at least 7 pm MDT. Winds in excess of 30 mph and occasional lightning are likely with

from Current Watches, Warnings and Advisories for the United States Issued by the National Weather Service http://ift.tt/2vGByZR