FNUS75 KFGZ 211603 FWSFGZ SPOT FORECAST FOR TUSCAYON EAST...WILLIAMS DISPATCH NATIONAL WEATHER SERVICE FLAGSTAFF AZ 903 AM MST THU MAY 21 2009 FORECAST IS BASED ON IGNITION TIME OF 0900 MST ON MAY 21. IF CONDITIONS BECOME UNREPRESENTATIVE, CONTACT THE NATIONAL WEATHER SERVICE. .DISCUSSION... MOSTLY CLOUDY SKIES WILL PERSIST THROUGH THE DAY AS MOISTURE CONTINUES TO INCREASE IN ADVANCE OF A WEAK LOW PRESSURE SYSTEM MOVING ACROSS THE STATE. SCATTERED SHOWERS AND THUNDERSTORMS ARE POSSIBLE IN THE AFTERNOON AND EVENING HOURS AS THE ATMOSPHERE DESTABILIZES DUE TO DAYTIME HEATING. ANY STORMS THAT DEVELOP WILL PRODUCE VARIABLE AND GUSTY WINDS AND BRIEF HEAVY RAIN. A HAINES INDEX OF LOW TO VERY LOW IS EXPECTED FOR TODAY AND TOMORROW. .TODAY... SKY/WEATHER.........MOSTLY CLOUDY. A SLIGHT CHANCE OF THUNDERSTORMS IN THE MORNING...A CHANCE OF THUNDERSTORMS IN THE AFTERNOON. MAX TEMPERATURE.....72-74. MIN HUMIDITY........35-27 PCT. 20-FOOT WINDS.......LIGHT UPSLOPE WINDS 5 TO 10 MPH. .TONIGHT... SKY/WEATHER.........MOSTLY CLOUDY. A CHANCE OF THUNDERSTORMS. MIN TEMPERATURE.....40-42. MAX HUMIDITY........95-97 PCT. 20-FOOT WINDS.......LIGHT DOWNSLOPE WINDS 2-7 MPH. .FRIDAY... SKY/WEATHER.........MOSTLY CLOUDY. A CHANCE OF THUNDERSTORMS. MAX TEMPERATURE.....68-70. MIN HUMIDITY........38-40 PCT. 20-FOOT WINDS.......LIGHT UPSLOPE WINDS 5 TO 10 MPH. $$ FORECASTER...CLARK REQUESTED BY...NICK BEHRENDS REASON FOR REQUEST...PRESCRIBED .TAG 20090521.TUSCA.02/FGZ