FIRE WEATHER PLANNING FORECAST FOR SOUTHERN NEVADA NORTHWEST ARIZONA AND SOUTHEAST CALIFORNIA LAKE MEAD NRA/COLORADO RIVER-AZ SIDE-LOWER COLORADO RIVER VALLEY- LAKE MEAD NRA/COLORADO RIVER-NV SIDE- 300 PM PDT SUN SEP 14 2008 /300 PM MST SUN SEP 14 2008/ .TONIGHT... SKY/WEATHER.........CLEAR. MIN TEMPERATURE: VALLEY FLOOR....68-76. 24 HR TREND.....LITTLE CHANGE. MAX HUMIDITY: VALLEY FLOOR....17-23 PERCENT. 24 HR TREND.....ON AVERAGE DOWN 5 PERCENT.