FNUS75 KBYZ 172138
FWSBYZ

SPOT FORECAST FOR DUGAN...MT DNRC
NATIONAL WEATHER SERVICE BILLINGS MT
338 PM MDT MON SEP 17 2012

FORECAST IS BASED ON REQUEST TIME OF 1505 MDT ON SEPTEMBER 17.
IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER
SERVICE.

...WARM...DRY AND BREEZY ON TUESDAY...

.DISCUSSION...

EXPECT WARMER CONDITIONS ON TUESDAY AS THE AIRMASS WILL BECOME
UNSTABLE AHEAD OF A COLD FRONT EXPECTED LATE TUESDAY NIGHT.
TEMPERATURES WILL CLIMB INTO THE 70S WITH HUMIDITY FALLING INTO
THE TEENS. WINDS WILL MIX A BIT DEEPER BUT BE MORE WESTERLY AND
REACH 15 TO 20 MPH. THE COLD FRONT IS NOT EXPECTED UNTIL AFTER
MIDNIGHT SO EXPECT MILDER CONDITIONS TUESDAY EVENING. INVERSIONS
WILL GET A CHANCE TO SET UP BEFORE THE FRONT ARRIVES LATE TUESDAY
NIGHT SO THE WIND SHIFT IS NOT EXPECTED TO BE DRAMATIC. WINDS ON
WEDNESDAY BEHIND THE FRONT WILL BE BREEZY BUT TEMPERATURES WILL BE
COOLER AND HUMIDITY A BIT HIGHER. BORSUM

.TONIGHT...

SKY/WEATHER.........PARTLY CLOUDY.
CWR.................0 PERCENT.
LAL.................1...NO THUNDERSTORMS.
MIN TEMPERATURE.....41-46.
MAX HUMIDITY........47-55 PERCENT.
WIND (20 FT)........
 SLOPE/VALLEY.......NORTH WINDS 5 TO 10 MPH IN THE EVENING SHIFTING
                    TO THE SOUTH OVERNIGHT.
 RIDGETOP...........NORTHWEST 10 TO 20 MPH.
HAINES INDEX........3.

.TUESDAY...

SKY/WEATHER.........SUNNY.
CWR.................0 PERCENT.
LAL.................1...NO THUNDERSTORMS.
MAX TEMPERATURE.....73-78.
MIN HUMIDITY........15-20 PERCENT.
WIND (20 FT)........
 SLOPE/VALLEY.......WEST WINDS 14 TO 18 MPH.
 RIDGETOP...........NORTHWEST 15 TO 25 MPH.
HAINES INDEX........5.

.TUESDAY NIGHT...

SKY/WEATHER.........MOSTLY CLEAR.
CWR.................0 PERCENT.
LAL.................1...NO THUNDERSTORMS.
MIN TEMPERATURE.....47-52.
MAX HUMIDITY........51-58 PERCENT.
WIND (20 FT)........
 SLOPE/VALLEY.......NORTHWEST WINDS 5 TO 15 MPH WITH HIGHER
                    GUSTS AFTER MIDNIGHT.
 RIDGETOP...........WEST 15 TO 25 MPH.
HAINES INDEX........4.

.WEDNESDAY...

SKY/WEATHER.........MOSTLY SUNNY.
CWR.................ZERO.
LAL.................1...NONE.
MAX TEMPERATURE.....66-71.
MIN HUMIDITY........18-22 PERCENT.
WIND (20 FT)........
 SLOPE/VALLEY.......NORTHWEST WINDS 14 TO 18 MPH.
 RIDGETOP...........NORTHWEST 15 TO 25 MPH.
HAINES INDEX........4.

$$
FORECASTER...BORSUM
REQUESTED BY...STEVE STANHOPE  PSC2
TYPE OF REQUEST...WILDFIRE
.TAG 20120917.DUGAN.03/BYZ