675
FNUS55 KMSO 151139
FWFMSO
FIRE WEATHER PLANNING FORECAST FOR WRN MONTANA AND N CNTRL IDAHO
NATIONAL WEATHER SERVICE MISSOULA MT
539 AM MDT THU MAY 15 2008
DISCUSSION
AN ABNORMALLY STRONG RIDGE OF HIGH PRESSURE BEGINS
TO BUILD OVER THE NORTHERN ROCKIES TODAY...BRINGING WELL ABOVE
AVERAGE TEMPERATURES THROUGH THE WEEKEND. TEMPERATURES WILL TREND
WARMER AND RELATIVE HUMIDITIES DRIER EACH SUCCESSIVE DAY. LOOK FOR
STRONG NIGHTTIME INVERSIONS TO FORM WITH THERMAL BELTS SETTING UP
IN THE MID ELEVATIONS. WINDS WILL REMAIN GENERALLY TERRAIN DRIVEN.
IDZ102-103-161145-
PALOUSE/HELLS CANYON-CLEARWATER/NEZ PERCE-
439 AM PDT THU MAY 15 2008
TODAY
SKY/WEATHER.........MOSTLY SUNNY.
MAX TEMPERATURE.....78-88 VALLEYS AND 60-70 RIDGES.
MIN HUMIDITY........26-36 PERCENT.
20-FOOT WINDS.......
LOWER ELEVATION......UPSLOPE/UPVALLEY 4-8 MPH.
RIDGE TOP............NORTHWEST 5-15 MPH.
HAINES INDEX........2 VERY LOW.
LAL.................1.
CWR (> 0.10 INCH)...0 PERCENT.
TONIGHT
SKY/WEATHER.........MOSTLY CLEAR.
MIN TEMPERATURE.....40-50.
MAX HUMIDITY........88-98 PERCENT VALLEYS AND 66-76 PERCENT RIDGES.
20-FOOT WINDS.......
LOWER ELEVATION......DOWNSLOPE/DOWNVALLEY 1-3 MPH.
RIDGE TOP............NORTHWEST 10-15 MPH.
HAINES INDEX........4 LOW.
LAL.................1.
CWR (> 0.10 INCH)...0 PERCENT.
FRIDAY
SKY/WEATHER.........SUNNY.
MAX TEMPERATURE.....85-95 VALLEYS AND 70-75 RIDGES.
MIN HUMIDITY........18-28 PERCENT.
20-FOOT WINDS.......
LOWER ELEVATION......UPSLOPE/UPVALLEY 4-8 MPH.
RIDGE TOP............NORTHWEST UP TO 10 MPH.
HAINES INDEX........4 LOW.
LAL.................1.
CWR (> 0.10 INCH)...0 PERCENT.
SATURDAY
CLEAR. LOWS 50-60. HIGHS 80-90. DIURNAL TERRAIN WINDS
TO 10 MPH.
SUNDAY
MOSTLY CLEAR. LOWS 55-65. HIGHS 80-90. SOUTHWEST WINDS
5-10 MPH.
MONDAY
PARTLY CLOUDY. LOWS 50-60. HIGHS 80-90. DIURNAL TERRAIN
WINDS TO 10 MPH.
TUESDAY
NOT AS WARM. MOSTLY CLOUDY. SLIGHT CHANCE OF SHOWERS.
LOWS 45-55. HIGHS 70-80.
WEDNESDAY
MOSTLY CLOUDY. CHANCE OF SHOWERS. LOWS 40-50. HIGHS
65-75.
MTZ104-105-161145-
KOOTENAI-FLATHEAD/GLACIER PARK-
539 AM MDT THU MAY 15 2008
TODAY
SKY/WEATHER.........MOSTLY SUNNY. PATCHY FOG EARLY IN THE MORNING.
MAX TEMPERATURE.....73-83 VALLEYS AND 60-70 RIDGES.
MIN HUMIDITY........23-33 PERCENT.
20-FOOT WINDS.......
LOWER ELEVATION......UPSLOPE/UPVALLEY 4-8 MPH.
RIDGE TOP............NORTHWEST 5-15 MPH.
HAINES INDEX........2 VERY LOW.
LAL.................1.
CWR (> 0.10 INCH)...0 PERCENT.
TONIGHT
SKY/WEATHER.........CLEAR.
MIN TEMPERATURE.....35-45 VALLEYS AND 45-50 RIDGES.
MAX HUMIDITY........85-95 PERCENT VALLEYS AND 65-75 PERCENT RIDGES.
20-FOOT WINDS.......
LOWER ELEVATION......SOUTHWEST 5-10 MPH IN THE EVENING BECOMING
DOWNSLOPE/DOWNVALLEY 2-5 MPH.
RIDGE TOP............NORTHWEST 5-15 MPH.
HAINES INDEX........4 LOW.
LAL.................1.
CWR (> 0.10 INCH)...0 PERCENT.
FRIDAY
SKY/WEATHER.........SUNNY.
MAX TEMPERATURE.....80-90 VALLEYS AND 70-75 RIDGES.
MIN HUMIDITY........10-20 PERCENT VALLEYS AND 19-29 PERCENT RIDGES.
20-FOOT WINDS.......
LOWER ELEVATION......VARIABLE LESS THAN 7 MPH.
RIDGE TOP............WEST 5-15 MPH.
HAINES INDEX........4 LOW.
LAL.................1.
CWR (> 0.10 INCH)...0 PERCENT.
SATURDAY
MOSTLY CLEAR. LOWS 50-60. HIGHS 80-90. DIURNAL
TERRAIN WINDS TO 10 MPH.
SUNDAY
MOSTLY CLEAR. LOWS 50-60. HIGHS 75-85. SOUTHWEST WINDS
5-10 MPH.
MONDAY
PARTLY CLOUDY. SLIGHT CHANCE OF SHOWERS. LOWS 50-60.
HIGHS 75-85. SOUTHWEST WINDS 5-10 MPH.
TUESDAY
MOSTLY CLOUDY. SLIGHT CHANCE OF SHOWERS. LOWS 45-55.
HIGHS 70-80.
WEDNESDAY
COOLER. MOSTLY CLOUDY. CHANCE OF SHOWERS. LOWS
40-50. HIGHS 60-70.
MTZ106>108-161145-
WEST LOLO-SALISH AND KOOTENAI RESERVATION-EAST LOLO-
539 AM MDT THU MAY 15 2008
TODAY
SKY/WEATHER.........MOSTLY SUNNY. PATCHY FOG EARLY IN THE MORNING.
MAX TEMPERATURE.....70-80 VALLEYS AND 60-70 RIDGES.
MIN HUMIDITY........21-31 PERCENT.
20-FOOT WINDS.......
LOWER ELEVATION......UPSLOPE/UPVALLEY 4-8 MPH.
RIDGE TOP............NORTHWEST 5-15 MPH.
HAINES INDEX........2 VERY LOW.
LAL.................1.
CWR (> 0.10 INCH)...0 PERCENT.
TONIGHT
SKY/WEATHER.........MOSTLY CLEAR.
MIN TEMPERATURE.....35-45 VALLEYS AND 45-50 RIDGES.
MAX HUMIDITY........88-98 PERCENT VALLEYS AND 58-68 PERCENT RIDGES.
20-FOOT WINDS.......
LOWER ELEVATION......SOUTHWEST 5-10 MPH BECOMING DOWNSLOPE/DOWNVALLEY
1-3 MPH LATE.
RIDGE TOP............WEST 5-15 MPH DECREASING TO 5 MPH
EARLY IN THE MORNING.
HAINES INDEX........3 VERY LOW.
LAL.................1.
CWR (> 0.10 INCH)...0 PERCENT.
FRIDAY
SKY/WEATHER.........SUNNY.
MAX TEMPERATURE.....80-90 VALLEYS AND 70-75 RIDGES.
MIN HUMIDITY........15-25 PERCENT.
20-FOOT WINDS.......
LOWER ELEVATION......UPSLOPE/UPVALLEY 4-8 MPH.
RIDGE TOP............SOUTHWEST 5-10 MPH BECOMING WEST 5-15 MPH
IN THE AFTERNOON.
HAINES INDEX........4 LOW.
LAL.................1.
CWR (> 0.10 INCH)...0 PERCENT.
SATURDAY
MOSTLY CLEAR. LOWS 50-60. HIGHS 80-90. DIURNAL
TERRAIN WINDS TO 10 MPH.
SUNDAY
MOSTLY CLEAR. LOWS 55-65. HIGHS 80-90. SOUTHWEST WINDS
5-10 MPH.
MONDAY
PARTLY CLOUDY. SLIGHT CHANCE OF SHOWERS. LOWS 50-60.
HIGHS 80-90. SOUTHWEST WINDS 5-10 MPH.
TUESDAY
NOT AS WARM. MOSTLY CLOUDY. SLIGHT CHANCE OF SHOWERS.
LOWS 45-55. HIGHS 70-80.
WEDNESDAY
COOLER. MOSTLY CLOUDY. CHANCE OF SHOWERS. LOWS
40-50. HIGHS 60-70.
MTZ109-161145-
BITTERROOT-
539 AM MDT THU MAY 15 2008
TODAY
SKY/WEATHER.........PARTLY SUNNY.
MAX TEMPERATURE.....75-80 VALLEYS AND 60-65 RIDGES.
MIN HUMIDITY........21-31 PERCENT.
20-FOOT WINDS.......
LOWER ELEVATION......UPSLOPE/UPVALLEY 4-8 MPH.
RIDGE TOP............NORTHWEST 5-15 MPH.
HAINES INDEX........2 VERY LOW.
LAL.................1.
CWR (> 0.10 INCH)...0 PERCENT.
TONIGHT
SKY/WEATHER.........CLEAR.
MIN TEMPERATURE.....40-45.
MAX HUMIDITY........92-100 PERCENT VALLEYS AND 65-75 PERCENT
RIDGES.
20-FOOT WINDS.......
LOWER ELEVATION......NORTH 5-10 MPH IN THE EVENING BECOMING
DOWNSLOPE/DOWNVALLEY 2-5 MPH.
RIDGE TOP............NORTHWEST 10-15 MPH DECREASING TO 5
MPH LATE IN THE EVENING.
HAINES INDEX........4 LOW.
LAL.................1.
CWR (> 0.10 INCH)...0 PERCENT.
FRIDAY
SKY/WEATHER.........SUNNY.
MAX TEMPERATURE.....80-85 VALLEYS AND 70-75 RIDGES.
MIN HUMIDITY........15-25 PERCENT.
20-FOOT WINDS.......
LOWER ELEVATION......UPSLOPE/UPVALLEY 4-8 MPH.
RIDGE TOP............NORTHWEST 5-10.
HAINES INDEX........4 LOW.
LAL.................1.
CWR (> 0.10 INCH)...0 PERCENT.
SATURDAY
CLEAR. LOWS 50-60. HIGHS 75-85. DIURNAL TERRAIN WINDS
TO 10 MPH.
SUNDAY
MOSTLY CLEAR. LOWS 55-65. HIGHS 75-85. WEST WINDS
5-10 MPH.
MONDAY
PARTLY CLOUDY. LOWS 50-60. HIGHS 75-85. DIURNAL TERRAIN
WINDS TO 10 MPH.
TUESDAY
MOSTLY CLOUDY. SLIGHT CHANCE OF SHOWERS. LOWS 45-55.
HIGHS 70-80.
WEDNESDAY
COOLER. MOSTLY CLOUDY. CHANCE OF SHOWERS. LOWS
35-45. HIGHS 60-70.
MTZ110-111-161145-
DEERLODGE/WEST BEAVERHEAD-EAST BEAVERHEAD-
539 AM MDT THU MAY 15 2008
TODAY
SKY/WEATHER.........PARTLY SUNNY.
MAX TEMPERATURE.....65-75 VALLEYS AND 55-65 RIDGES.
MIN HUMIDITY........18-28 PERCENT VALLEYS AND 27-37 PERCENT RIDGES.
20-FOOT WINDS.......
LOWER ELEVATION......NORTH 5-15 MPH.
RIDGE TOP............NORTH 5-15 MPH.
HAINES INDEX........2 VERY LOW.
LAL.................1.
CWR (> 0.10 INCH)...10 PERCENT.
TONIGHT
SKY/WEATHER.........MOSTLY CLEAR.
MIN TEMPERATURE.....35-45.
MAX HUMIDITY........74-84 PERCENT VALLEYS AND 65-75 PERCENT RIDGES.
20-FOOT WINDS.......
LOWER ELEVATION......NORTH 5-15 MPH BECOMING DOWNSLOPE/DOWNVALLEY
1-3 MPH AFTER MIDNIGHT.
RIDGE TOP............NORTH 5-15 MPH DECREASING TO 5 MPH
AFTER MIDNIGHT.
HAINES INDEX........3 VERY LOW.
LAL.................1.
CWR (> 0.10 INCH)...0 PERCENT.
FRIDAY
SKY/WEATHER.........SUNNY.
MAX TEMPERATURE.....75-85 VALLEYS AND 65-75 RIDGES.
MIN HUMIDITY........10-19 PERCENT VALLEYS AND 18-28 PERCENT RIDGES.
20-FOOT WINDS.......
LOWER ELEVATION......UPSLOPE/UPVALLEY 4-8 MPH.
RIDGE TOP............NORTHWEST 5-10 MPH.
HAINES INDEX........3 VERY LOW.
LAL.................1.
CWR (> 0.10 INCH)...0 PERCENT.
SATURDAY
MOSTLY CLEAR. LOWS 45-55. HIGHS 75-85. DIURNAL
TERRAIN WINDS TO 10 MPH.
SUNDAY
MOSTLY CLEAR. LOWS 45-55. HIGHS 75-85. WEST WINDS
5-10 MPH.
MONDAY
PARTLY CLOUDY. LOWS 45-55. HIGHS 70-80. WEST WINDS
5-10 MPH.
TUESDAY
PARTLY CLOUDY. SLIGHT CHANCE OF SHOWERS AND
THUNDERSTORMS. LOWS 45-55. HIGHS 65-75.
WEDNESDAY
MOSTLY CLOUDY. CHANCE OF SHOWERS. LOWS 40-50. HIGHS
60-70.
SHORT TERM...VIA
LONG TERM...KITSMILLER
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