SEVERE THUNDERSTORM WATCH until 10 pm for Gallatin, Broadwater, Jefferson, Madison, Park and southeast Beaverhead Counties.  Isolated storms may produce strong winds and hail.

WIND ADVISORY until 6 pm for the Butte, Anaconda, Deer Lodge and Gold Creek areas.  West winds 15 to 30 mph with gusts up to 40 and even 50 mph.