287 FPUS65 KMSO 121948 AFDMSO WESTERN MONTANA AND NORTH CENTRAL IDAHO FORECAST DISCUSSION NATIONAL WEATHER SERVICE MISSOULA MT 145 PM MDT SAT JUL 12 1997 UPPER LEVEL TROUGH SLOW TO EXIT THE FORECAST AREA...BUT ONLY POSSIBILITY OF PRECIP WILL BE OVER EXTREME SOUTHWEST MONTANA AND NORTHWEST MONTANA TONIGHT. SOME RESIDUAL MOISTURE OVER THESE AREAS...BUT VERY LITTLE DYNAMICS. BOTH ETA AND MESO ETA SHOW WEAK VORTS CROSSING NORTHERN IDAHO AND WESTERN MONTANA MIDDAY SUNDAY...BUT WITH DECREASING MOISTURE AT ALL LEVELS...THESE SHOULD ONLY BE ABLE TO MUSTER UP SCATTERED CLOUDS. MODELS AGREE ON MODERATE WARMING TREND THROUGH FORECAST PERIOD...SOMETHING ON THE ORDER OF 5 DEGREES EACH DAY ON THE HIGHS. WHITMORE ...FORECASTS BELOW ARE PRELIMINARY AND SUBJECT TO CHANGE... LIB .. 047/077 049/082 ... 341000 FCA UU 048/076 050/081 052 341000 POL .. 050/078 052/082 ... 340000 MSO UU 045/079 047/084 050 340000 HMM .. 046/081 048/086 ... 340000 BTM .. 039/075 042/080 ... 340000 S80 .. 046/080 048/086 ... 340000 P69 .. 048/083 050/088 ... 340000 SMN .. 041/079 044/084 ... 340000