FNUS75 KBYZ 180537
FWSBYZ

SPOT FORECAST FOR WILLIE...MILES CITY DISPATCH
NATIONAL WEATHER SERVICE BILLINGS MT
1137 PM MDT WED JUL 17 2013

FORECAST IS BASED ON REQUEST TIME OF 2320 MDT ON JULY 17.
IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER
SERVICE.

.DISCUSSION...

...COLD FRONT WITH GUSTY NORTHWEST WINDS AROUND SUNRISE...

WINDS WILL BE LIGHT OUT OF MAINLY A WESTERLY DIRECTION TONIGHT
BUT THERE WILL BE SOME VARIABILITY. AN ISOLATED SHOWER OR
THUNDERSTORM IS POSSIBLE OVERNIGHT AND STORMS HAVE BEEN PRODUCING
VERY HEAVY RAIN AND A LOT OF LIGHTNING TONIGHT. A COLD FRONT WILL
MOVE THROUGH THE FIRE AREA AROUND SUNRISE WITH GUSTY NORTHWEST
WINDS. A SHOWER IS POSSIBLE ALONG THE COLD FRONT...WITH ISOLATED
AFTERNOON THUNDERSTORMS IN THE AFTERNOON. RH RECOVERIES TONIGHT
WILL BE HIGH. DRIER AIR WILL MOVE INTO THE AREA TOMORROW AFTERNOON
DROPPING RH VALUES INTO THE 20S WITH TEMPERATURES IN THE 90S.
CHAMBERS

.REST OF TONIGHT...

SKY/WEATHER.........PARTLY CLOUDY. ISOLATED SHOWERS AND
                    THUNDERSTORMS OVERNIGHT.
CWR.................10 PERCENT.
LAL.................3...9 TO 15 STRIKES/15 MIN/CELL.
MIN TEMPERATURE.....62-67.
MAX HUMIDITY........72-77 PERCENT.
WIND (20 FT)........
 SLOPE/VALLEY.......WEST WINDS 5 TO 10 MPH. GUSTY AND ERRATIC
                    WINDS EXPECTED NEAR THUNDERSTORMS OVERNIGHT.
 RIDGETOP...........SOUTHWEST 5 TO 10 MPH.
HAINES INDEX........3.

.THURSDAY...

SKY/WEATHER.........MOSTLY SUNNY. ISOLATED RAIN SHOWERS IN THE
                    MORNING...ISOLATED THUNDESTORMS IN THE AFTERNOON.
CWR.................12 PERCENT.
LAL.................2...1 TO 9 STRIKES/15 MIN/CELL.
MAX TEMPERATURE.....88-92.
MIN HUMIDITY........22-28 PERCENT.
WIND (20 FT)........
 SLOPE/VALLEY.......NORTHWEST WINDS 10 TO 20 MPH. GUSTY AND ERRATIC
                    WINDS EXPECTED NEAR THUNDERSTORMS
 RIDGETOP...........NORTHWEST 10 TO 20 MPH.
HAINES INDEX........4.

$$
FORECASTER...CHAMBERS
REQUESTED BY...MEGAN
TYPE OF REQUEST...WILDFIRE
.TAG 20130717.WILLI.01/BYZ