000 FXUS65 KMSO 070954 AFDMSO WESTERN MONTANA AND NORTH CENTRAL IDAHO FORECAST DISCUSSION NATIONAL WEATHER SERVICE MISSOULA MT 400 AM MDT THU JUN 7 2001 MODELS PRETTY CONSISTENT WITH THIS AFTERNOONS SOLUTION. WEAK LIS AND LAPSE RATES MAINLY LATE THIS AFTERNOON AND THIS EVENING ACROSS SW MONTANA. BEST VORTICITY LINES UP IN CNTRL ID AND SW MONTANA ZONES...THOUGH WEAK. THUS WILL KEEP JUST SLIGHT CHC MENTIONED IN THESE AREAS THIS AFTN AND THIS EVENING. FRIDAY LOOKS TO BE A SIMILAR AFTERNOON WITH SLIGHT CHCS OF TSTMS IN ALL ZONES DUE TO A BETTER SW FLOW TO OUR NRN ZONES ALONG WITH A LITTLE STRONGER VORT/DYNAMICS CWA WIDE. WARMED TEMPS UP A FEW IN THE 1ST PD DEGREES THIS AFTN. BIT FROM PREVIOUS PACKAGE DUE TO THINKING OF MORE SUNSHINE AND A LITTLE MORE SW WIND. NO CHANGES TO EXTENDED. RPN