000 TTAA00 KMSO 200812 WESTERN MONTANA AND NORTH CENTRAL IDAHO FORECAST DISCUSSION NATIONAL WEATHER SERVICE MISSOULA MT 215 AM MDT TUE OCT 20 1998 00Z RUN OF MODELS CONTINUE WITH SAME TREND. WARM DRY WEATHER UNDER STRONG RIDGE PATTERN FOR NEXT COUPLE OF DAYS. DAYTIME TEMPS GRADUALLY WARMING...WITH ZERO POPS. AVN SHOWS LOW OVER THE SOUTHWEST U.S. LIFTING NORTH AND OPENING UP INTO A TROUGH AS RIDGE SHIFTS EAST OVER THE CENTRAL PLAINS ON THURSDAY. INCREASED MOISTURE AND INSTABILITY SPREADS NORTH INTO IDAHO AND SOUTHWEST MONTANA BY THURSDAY. SOMETHING TO WATCH DURING NEXT FEW DAYS. MSJ ...FORECASTS BELOW ARE PRELIMINARY AND SUBJECT TO CHANGE... LIB .. 053/026 059/... ... 35000 FCA UU 055/025 060/025 062 35000 POL .. 056/031 061/... ... 35000 MSO UU 060/026 063/027 065 35000 HMM .. 061/027 065/... ... 35000 BTM .. 056/020 059/... ... 35000 S80 .. 060/029 063/... ... 35000 P69 .. 063/036 068/... ... 35000 SMN .. 059/026 061/... ... 35000