FNUS75 KBYZ 040142
FWSBYZ

SPOT FORECAST FOR MEXICAN HILL RX...U.S. FOREST SERVICE
NATIONAL WEATHER SERVICE BILLINGS MT
742 PM MDT SUN OCT 3 2010

FORECAST IS BASED ON IGNITION TIME OF 1100 MDT ON OCTOBER 04.
IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER
SERVICE.

.DISCUSSION...
EXPECT ANOTHER WARM AND DRY DAY MONDAY...WITH TEMPS A LITTLE
COOLER THAN SUNDAY. AFTER A POOR RH RECOVERY SUNDAY NIGHT...
EXPECT MINIMUM HUMIDITIES TO BOTTOM OUT NEAR THE UPPER TEENS.
WINDS ALOFT WILL BE RELATIVELY LIGHT...SO SLOPE/VALLEY WINDS AT 15
MPH OR LESS SHOULD PREVAIL. THERE IS A SLIGHT CHANCE OF A SHOWER
OR THUNDERSTORM BY LATE MONDAY. IT WILL TURN COOLER AND WETTER BY
TUESDAY AS A WEAK SYSTEM MOVES THROUGH THE REGION.


.TONIGHT...

SKY/WEATHER.........CLEAR.
CWR.................0 PERCENT.
LAL.................1...NO THUNDERSTORMS.
MIN TEMPERATURE.....53-57.
MAX HUMIDITY........28-36 PERCENT.
WIND (20 FT)........
 SLOPE/VALLEY.......EAST TO SOUTHEAST 5-10 MPH.
 RIDGETOP...........SOUTHWEST 5-10 MPH.
MIXING HEIGHT.......500 FT AGL.
MIXING WINDS........SOUTHEAST 5-10 MPH.

.MONDAY...

SKY/WEATHER.........MOSTLY SUNNY. ISOLATED SHOWERS AND
                    THUNDERSTORMS BY LATE AFTERNOON.
CWR.................LESS THAN 10 PERCENT.
LAL.................2...1 TO 8 STRIKES/15 MIN/CELL.
MAX TEMPERATURE.....66-71.
MIN HUMIDITY........18-23 PERCENT.
WIND (20 FT)........
 SLOPE/VALLEY.......UPSLOPE/UPVALLEY OR WEST 5-15 MPH. ERRATIC
                    WINDS POSSIBLE NEAR THUNDERSTORMS.
 RIDGETOP...........SOUTHWEST 10-15 MPH.
MIXING HEIGHT.......6000 FT AGL.
MIXING WINDS........SOUTHWEST 10 MPH.

.MONDAY NIGHT...

SKY/WEATHER.........PARTLY CLOUDY. ISOLATED SHOWERS. ISOLATED
                    THUNDERSTORMS EARLY IN THE EVENING.
CWR.................LESS THAN 10 PERCENT.
LAL.................2...1 TO 8 STRIKES/15 MIN/CELL.
MIN TEMPERATURE.....45-50.
MAX HUMIDITY........45-55 PERCENT.
WIND (20 FT)........
 SLOPE/VALLEY.......WEST 5-15 MPH. ERRATIC WINDS POSSIBLE NEAR
                    THUNDERSTORMS EARLY IN THE EVENING.
 RIDGETOP...........SOUTHWEST 10-20 MPH.
MIXING HEIGHT.......500 FT AGL.
MIXING WINDS........WEST 5 TO 10 MPH.

.TUESDAY...

SKY/WEATHER.........PARTLY SUNNY WITH SCATTERED RAIN SHOWERS.
CWR.................20 PERCENT.
LAL.................1...NO THUNDERSTORMS.
MAX TEMPERATURE.....52-57.
MIN HUMIDITY........40-45 PERCENT.
WIND (20 FT)........
 SLOPE/VALLEY.......NORTHEAST TO EAST 5-10 MPH. AFTERNOON GUSTS
                    TO 15 MPH.
 RIDGETOP...........SOUTH TO SOUTHEAST 5-15 MPH.
MIXING HEIGHT.......4000 FT AGL.
MIXING WINDS........NORTHEAST 10 MPH.

$$
FORECASTER...LESTER
REQUESTED BY...MARVIN MATTHIESEN
TYPE OF REQUEST...PRESCRIBED
.TAG 20101004.MEXIC.01/BYZ