FNUS75 KPSR 150349 FWSPSR SPOT FORECAST FOR BOY SCOUT...NPS NATIONAL WEATHER SERVICE PHOENIX AZ 849 PM MST SAT APR 14 2012 FORECAST IS BASED ON INCIDENT TIME OF 2017 MST ON APRIL 14. IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER SERVICE. .DISCUSSION... A VIGOROUS UPPER LEVEL LOW PRESSURE SYSTEM WILL MOVE EAST INTO COLORADO AND NEW MEXICO TONIGHT...AND THIS WILL PUT JOSHUA TREE NATIONAL PARK UNDER A DRYING NORTHWESTERLY FLOW ALOFT. BREEZY CONDITIONS WILL CONTINUE PAST MIDNIGHT WITH WINDS TO TAPER OFF INTO THE EARLY MORNING HOURS ON SUNDAY. THE NORTHWEST FLOW ALOFT WILL PERSIST AND WEAKEN THROUGHOUT THE DAY ON SUNDAY...LEADING TO MOSTLY SUNNY SKIES AND BELOW SEASONAL NORMAL TEMPERATURES. .TONIGHT... SKY/WEATHER.........MOSTLY CLEAR. MIN TEMPERATURE.....38-42 DEGREES. MAX HUMIDITY........71-76 PCT. WIND (20 FT)........WEST WINDS 6 TO 15 MPH DIMINISHING AFTER MIDNIGHT WITH LIGHT SOUTHWEST TO DOWNSLOPE DEVELOPING IN THE EARLY MORNING HOURS. CWR.................0 PERCENT. .SUNDAY... SKY/WEATHER.........MOSTLY SUNNY. MAX TEMPERATURE.....68-72 DEGREES. MIN HUMIDITY........19-24 PCT. WIND (20 FT)........LIGHT DOWNSLOPE BECOMING NORTHWEST 5 TO 10 MPH BY THE LATE MORNING. CWR.................0 PERCENT. $$ FORECASTER...CB REQUESTED BY...A LANNEN TYPE OF REQUEST...SAR .TAG 20120414.BOYSC.01/PSR