FNUS75 KBYZ 261721
FWSBYZ

SPOT FORECAST FOR IRON MOUNTAIN...BILLINGS DISPATCH CENTER
NATIONAL WEATHER SERVICE BILLINGS MT
1121 AM MDT FRI AUG 26 2011

FORECAST IS BASED ON REQUEST TIME OF 1103 MDT ON AUGUST 26.
IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER
SERVICE.

.DISCUSSION...
ISOLATED THUNDERSTORMS WILL BE POSSIBLE OVER THE BURN AREA THIS
AFTERNOON AS A DISTURBANCE MOVES ACROSS THE AREA. LOOK FOR
THUNDERSTORMS TO DEVELOPMENT AFTER 3 PM THIS AFTERNOON AND
CONTINUING THROUGH 9 PM THIS EVENING. THUNDERSTORMS ARE EXPECTED
TO BE WET AND WILL HAVE THE POTENTIAL FOR ERRATIC AND STRONG WIND
GUSTS. RH'S ARE EXPECTED TO BE SLIGHTLY HIGHER TODAY WITH MINIMUM
VALUES IN THE LOW TO MID 30 PERCENT RANGE. RH'S WILL MAKE
MODERATE RECOVERIES TONIGHT. UNSETTLED WEATHER WILL CONTINUE ON
SATURDAY WITH COOLER TEMPERATURES OVER THE FIRE SITE. WINDS IN
THE VALLEY WILL BE SLOPE DRIVEN WITH A SOUTHWEST FLOW AT RIDGETOP
LEVEL TODAY. WINDS WILL BE STRONGER ON SATURDAY FROM THE WEST.

.TODAY...

SKY/WEATHER.........MOSTLY SUNNY WITH ISOLATED SHOWERS AND
                    THUNDERSTORMS.
CWR.................13 PERCENT.
LAL.................2...1 TO 8 STRIKES/15 MIN/CELL.
MAX TEMPERATURE.....72-77.
MIN HUMIDITY........33-38 PERCENT.
WIND (20 FT)........
 SLOPE/VALLEY.......SOUTH WINDS 5 TO 10 MPH. GUSTY AND ERRATIC
                    WINDS EXPECTED NEAR THUNDERSTORMS.
 RIDGETOP...........SOUTHWEST 10 TO 20 MPH.

.TONIGHT...

SKY/WEATHER.........PARTLY CLOUDY. SCATTERED SHOWERS AND
                    THUNDERSTORMS IN THE EVENING...THEN ISOLATED
                    SHOWERS AND THUNDERSTORMS OVERNIGHT.
CWR.................16 PERCENT.
LAL.................3...9 TO 15 STRIKES/15 MIN/CELL.
MIN TEMPERATURE.....42-47.
MAX HUMIDITY........91-96 PERCENT.
WIND (20 FT)........
 SLOPE/VALLEY.......EAST WINDS 5 TO 10 MPH IN THE EVENING SHIFTING
                    TO THE SOUTHWEST OVERNIGHT. GUSTY AND ERRATIC
                    WINDS EXPECTED NEAR THUNDERSTORMS.
 RIDGETOP...........SOUTHWEST 15 TO 30 MPH.

.SATURDAY...

SKY/WEATHER.........PARTLY SUNNY. ISOLATED SHOWERS AND
                    THUNDERSTORMS IN THE MORNING...THEN SCATTERED
                    SHOWERS AND THUNDERSTORMS IN THE AFTERNOON.
CWR.................14 PERCENT.
LAL.................3...9 TO 15 STRIKES/15 MIN/CELL.
MAX TEMPERATURE.....66-71.
MIN HUMIDITY........30-35 PERCENT.
WIND (20 FT)........
 SLOPE/VALLEY.......WEST WINDS 10 TO 20 MPH. GUSTY AND ERRATIC
                    WINDS EXPECTED NEAR THUNDERSTORMS.
 RIDGETOP...........WEST 15 TO 25 MPH.

$$
FORECASTER...RICHMOND
REQUESTED BY...BERT STARR
TYPE OF REQUEST...WILDFIRE
.TAG 20110826.IRONM.01/BYZ