FNUS75 KBYZ 230002
FWSBYZ

SPOT FORECAST FOR ST  JOHNS...NORTHERN CHEYENNE
NATIONAL WEATHER SERVICE BILLINGS MT
602 PM MDT MON JUN 22 2009

FORECAST IS BASED ON REQUEST TIME OF 1740 MDT ON JUNE 22.
IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER
SERVICE.

.DISCUSSION...
NORTHWEST FLOW WILL BE OVER THE FIRE SITE BEHIND A COLD FRONT TONIGHT.
WINDS WILL BE NORTHWEST 5 TO 15 MPH AND SKIES WILL BE MOSTLY CLEAR.
LOW TEMPERATURES WILL FALL INTO THE 45 TO 50 DEGREE RANGE. RELATIVE
HUMIDITIES WILL RECOVER INTO THE MID 60S TO LOWER 70S OVERNIGHT.
WINDS WILL BE LIGHTER TUESDAY THAN THEY WERE TODAY AS HIGH PRESSURE
BUILDS OVER THE AREA. IT WILL BE PARTLY CLOUDY WITH TEMPERATURES
CLIMBING TO 75 TO 80 DEGREES. RELATIVE HUMIDITIES WILL FALL INTO THE
UPPER 20S TO LOWER 30S IN THE AFTERNOON. WINDS WILL BE NORTHWEST 5
TO 10 MPH AND WILL BECOME EAST LATE IN THE AFTERNOON.

.REST OF TONIGHT...

SKY/WEATHER.........MOSTLY CLEAR.
CWR.................0 PERCENT.
LAL.................1...NO THUNDERSTORMS.
MIN TEMPERATURE.....45-50.
MAX HUMIDITY........66-71 PERCENT.
WIND (20 FT)........
 SLOPE/VALLEY.......NORTHWEST WINDS 5 TO 15 MPH.
 RIDGETOP...........WEST 10 TO 20 MPH BECOMING NORTH BY LATE EVENING.
MIXING HEIGHT.......7300 FT AGL EARLY IN THE EVENING DECREASING TO
                    300 FT AGL.
MIXING WINDS........SOUTHWEST 15 TO 25 MPH.

.TUESDAY...

SKY/WEATHER.........PARTLY CLOUDY.
CWR.................0 PERCENT.
LAL.................1...NO THUNDERSTORMS.
MAX TEMPERATURE.....75-80.
MIN HUMIDITY........27-32 PERCENT.
WIND (20 FT)........
 SLOPE/VALLEY.......NORTHWEST WINDS 5 TO 10 MPH BECOMING EAST
                    LATE IN THE AFTERNOON.
 RIDGETOP...........NORTHWEST 5 TO 15 MPH BECOMING SOUTHEAST
                    LATE IN THE AFTERNOON.
MIXING HEIGHT.......6300 FT AGL.
MIXING WINDS........NORTHWEST 10 TO 20 MPH.

$$
FORECASTER...ARTHUR
REQUESTED BY...LEE OLD BEAR
TYPE OF REQUEST...WILDFIRE
.TAG 20090622.STJOH.01/BYZ