910 FXUS65 KBYZ 030240 AAA AFDBIL SOUTH CENTRAL AND SOUTHEAST MONTANA FORECAST DISCUSSION NATIONAL WEATHER SERVICE BILLINGS MT 836 PM MDT SUN JUN 02 2002 .SHORT TERM...VALID FOR MON...TUE...WED... UPDATE TO ZFP AND AFP. SHOWERS AND THUNDERSTORMS ON DOWNWARD TREND ACROSS ZONES. WILL TRIM DOWN POPS ALL LOCATIONS...AND STILL LEAVE A CHANCE OF THUNDERSTORMS IN THE EAST AS H20 IMAGERY INDICATING ANOTHER WAVE TO RIDE ACROSS AREA LATER TONIGHT. AIRMASS WILL BECOME MUCH MORE STABLE HOWEVER. SCARLETT .LONG TERM...VALID FOR THU...FRI...SAT...SUN... UPPER LEVEL RIDGE WILL STRETCH ACROSS EASTERN MONTANA ON THURSDAY IN ADVANCE OF A SHORTWAVE TROUGH WHICH MOVES ACROSS THE STATE ON THURSDAY NIGHT. ALL EXTENDED MODELS SUGGEST A DEEP TROUGH DEVELOPING OVER THE PACIFIC NORTHWEST FRIDAY AND INTO SATURDAY...THEN SWINGS THIS TROUGH ACROSS MONTANA ON SATURDAY AND SUNDAY. WILL INTRODUCE THE MENTION OF SHOWERS ON SATURDAY AND SUNDAY AND KEEP TEMPERATURES ON THE COOL SIDE. WILL KEEP TEMPERATURES SLIGHTLY ABOVE SEASONAL NORMS FOR THURSDAY BEFORE SHOWING A SLIGHT COOLING TREND INTO THE WEEKEND. MEIER MON TUE WED THU FRI SAT SUN ----------------------------------------------------------- BIL 046/067 044/070 048/075 054/082 051/073 050/072 048/070 43/T 20/B 00/B 02/C 22/C 23/T 33/T LVM 045/065 045/068 048/070 053/080 050/071 049/070 047/068 43/T 32/T 00/B 02/C 22/C 23/T 33/T HDN 046/068 044/071 048/077 054/082 051/073 050/072 048/070 43/T 20/B 00/B 02/C 22/C 23/T 33/T MLS 048/068 044/073 048/076 055/082 052/070 051/069 049/067 44/T 20/B 00/B 02/C 22/C 23/T 33/T 4BQ 048/068 044/072 048/076 055/082 052/070 051/069 049/067 44/T 20/B 00/B 02/C 22/C 23/T 33/T BHK 048/066 044/069 048/075 055/082 052/070 051/069 049/067 44/T 20/B 00/B 02/C 22/C 23/T 33/T SHR 046/066 042/071 048/076 050/081 047/070 046/069 044/067 43/T 20/B 00/B 02/C 22/C 23/T 33/T .BYZ... MT...NONE. WY...NONE.