FNUS75 KBYZ 150748
FWSBYZ

SPOT FORECAST FOR DUGAN...MILES CITY INTERAGENCY DISPATCH CENTER
NATIONAL WEATHER SERVICE BILLINGS MT
148 AM MDT SAT SEP 15 2012

FORECAST IS BASED ON IGNITION TIME OF 0130 MDT ON SEPTEMBER 15.
IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER
SERVICE.

...POOR HUMIDITY RECOVERIES TONIGHT...

...VERY WARM WITH VERY LOW HUMIDITIES SATURDAY...

...COLD FRONTAL PASSAGE SATURDAY NIGHT...

.DISCUSSION...
THE REST OF THE NIGHT WILL HAVE WINDS REMAIN PRIMARILY OUT OF THE
SOUTH WITH A SLIGHT TURN TO THE SOUTHWEST TOWARD MORNING.
HUMIDITY RECOVERIES WILL BE POOR. SATURDAY WILL BE VERY WARM AND
DRY WITH HUMIDITIES FALLING INTO THE SINGLE DIGITS BY EARLY
AFTERNOON. WINDS WILL GRADUALLY TURN TO THE WEST DURING THE
MORNING AND THEN BECOME NORTHERLY BY EARLY AFTERNOON AS A COLD
FRONT MOVES IN. THE BULK OF THE COOLER AIR WILL HOLD OFF UNTIL
SATURDAY NIGHT AS THE WIND BECOMES NORTHEAST. SUNDAY WILL BE MUCH
COOLER WITH GUSTY NORTHEAST WINDS. THERE WILL BE A SLIGHT CHANCE
OF A RAIN SHOWER ON SUNDAY. HUMIDITIES WILL BE QUITE A BIT HIGHER
ON SUNDAY WITH MORE CLOUD COVER AND COOLER AIR IN PLACE. TWH

.REST OF TONIGHT...

SKY/WEATHER.........PARTLY CLOUDY.
CWR.................0 PERCENT.
LAL.................1...NO THUNDERSTORMS.
MIN TEMPERATURE.....57-62.
MAX HUMIDITY........30-35 PERCENT.
WIND (20 FT)........
 SLOPE/VALLEY.......SOUTH TO SOUTHWEST WINDS 8 TO 14 MPH.
 RIDGETOP...........SOUTHWEST 10 TO 15 MPH.
HAINES INDEX........5.

.SATURDAY...

SKY/WEATHER.........MOSTLY SUNNY.
CWR.................0 PERCENT.
LAL.................1...NO THUNDERSTORMS.
MAX TEMPERATURE.....85-90.
MIN HUMIDITY........6-11 PERCENT.
WIND (20 FT)........
 SLOPE/VALLEY.......SOUTH TO SOUTHWEST WINDS 8 TO 14 MPH IN THE
                    EARLY MORNING. WINDS SHIFTING TO THE WEST BY
                    MID MORNING. WINDS THEN TURNING NORTH BY EARLY
                    AFTERNOON.
 RIDGETOP...........WEST TO NORTHWEST 10 TO 15 MPH IN THE MORNING.
                    WINDS BECOMING NORTH BY EARLY AFTERNOON.
HAINES INDEX........6.

.SATURDAY NIGHT...

SKY/WEATHER.........PARTLY CLOUDY.
CWR.................0 PERCENT.
LAL.................1...NO THUNDERSTORMS.
MIN TEMPERATURE.....51-56.
MAX HUMIDITY........45-50 PERCENT.
WIND (20 FT)........
 SLOPE/VALLEY.......NORTHEAST WINDS 8 TO 14 MPH IN THE EVENING.
                    WINDS TURNING EAST OVERNIGHT.
 RIDGETOP...........EAST TO SOUTHEAST 10 TO 15 MPH.
HAINES INDEX........4.

.SUNDAY...

SKY/WEATHER.........PARTLY SUNNY WITH ISOLATED RAIN SHOWERS.
CWR.................12 PERCENT.
LAL.................1...NO THUNDERSTORMS.
MAX TEMPERATURE.....63-68.
MIN HUMIDITY........28-33 PERCENT.
WIND (20 FT)........
 SLOPE/VALLEY.......NORTHEAST WINDS 10 TO 18 MPH GUSTS TO 24 MPH.
 RIDGETOP...........NORTHEAST 15 TO 20 MPH.
HAINES INDEX........3.

$$
FORECASTER...HUMPHREY
REQUESTED BY...DUGAN IC
TYPE OF REQUEST...PRESCRIBED
.TAG 20120915.DUGAN.01/BYZ