Mon May 20 16:46:07 EDT 2024 Yuma/Martinez Lake and Vicinity/Lower Colorado River Valley AZ- Lower Colorado River Valley CA- 145 PM MST Mon May 20 2024 /145 PM PDT Mon May 20 2024/ .TONIGHT... * Sky/weather.....................Clear. * Min Temperature.................57-62. * 24 hr trend..................10 degrees cooler. * Max Humidity....................38-51 pct. * 24 hr trend..................6 pct wetter. * Winds - 20 foot...Slope/Valley..West 10 to 20 mph in the evening becoming 5 to 10 mph after midnight. * Winds...10000 FT MSL............West 10 to 20 mph. * Chance of Precip................0 percent. * CWR (>= 0.10 IN)................0 percent. * LAL.............................1. .TUESDAY... * Sky/weather.....................Sunny. * Max Temperature.................90-95. * 24 hr trend..................Little change. * Min Humidity....................8-12 pct. * 24 hr trend..................Little change. * Winds - 20 foot...Slope/Valley..Northwest 5 to 15 mph. * Winds...10000 FT MSL............West 10 to 20 mph. * Chance of Precip................0 percent. * CWR (>= 0.10 IN)................0 percent. * LAL.............................1. * Haines High Level Index.........5 moderate potential for large plume dominated fire growth. * Mixing Height for Yuma..........7700 ft AGL. * Transport Wind for Yuma.........West 9 knots. * Dispersion for Yuma.............Good. .TUESDAY NIGHT... * Sky/weather.....................Clear. * Min Temperature.................60-65. * 24 hr trend..................3 degrees warmer. * Max Humidity....................31-45 pct. * 24 hr trend..................7 pct drier. * Winds - 20 foot...Slope/Valley..Southwest 5 to 15 mph. * Winds...10000 FT MSL............Northwest 5 to 15 mph in the evening becoming light and variable after midnight. * Chance of Precip................0 percent. * CWR (>= 0.10 IN)................0 percent. * LAL.............................1. .WEDNESDAY... * Sky/weather.....................Sunny. * Max Temperature.................93-98. * 24 hr trend..................3 degrees warmer. * Min Humidity....................8-12 pct. * 24 hr trend..................Little RH change. * Winds - 20 foot...Slope/Valley..Southwest 5 to 15 mph. * Winds...10000 FT MSL............Light and variable in the morning becoming southwest 5 to 15 mph in the afternoon. * Chance of Precip................0 percent. * CWR (>= 0.10 IN)................0 percent. * LAL.............................1. * Haines High Level Index.........5 moderate potential for large plume dominated fire growth. * Mixing Height for Yuma..........9000 ft AGL. * Transport Wind for Yuma.........South 9 knots. * Dispersion for Yuma.............Very good. .EXTENDED... .THURSDAY...Clear. Lows 60-65. Highs 92-97. South winds 10 to 20 mph. Minimum relative humidity may be lower than 15 percent. .FRIDAY...Clear. Lows 59-64. Highs 90-95. Southwest winds 10 to 20 mph. Minimum relative humidity may be lower than 15 percent. .SATURDAY...Clear. Lows 58-63. Highs 87-92. Southwest winds 10 to 20 mph. Minimum relative humidity may be lower than 15 percent. .SUNDAY...Clear. Lows 58-65. Highs 89-94. .MONDAY...Clear. Lows 62-68. Highs 95-100.