Routine Fire Wx Fcst (With/Without 6-10 Day Outlook)
Issued by NWS Phoenix, AZ
Issued by NWS Phoenix, AZ
390 FNUS55 KPSR 182041 FWFPSR Fire Weather Planning Forecast for Southwest and South-Central Arizona and Southeast California National Weather Service Phoenix AZ 141 PM MST Sat May 18 2024 ...NEAR CRITICAL CONDITIONS ACROSS ALL DISTRICTS MONDAY AFTERNOON... .DISCUSSION... With dry conditions prevailing, temperatures will retreat closer to the seasonal normal over the next couple days. Afternoon humidity levels in the single digits over lower elevations and low teens across higher terrain areas will be common following poor to fair overnight recovery of 20-40%. Wind gusts Sunday afternoon 20-30 mph will be common resulting in a slightly elevated fire danger. Even stronger gusts 25-40 mph will be possible Monday afternoon resulting in near critical conditions where any ongoing fires and new starts could spread rapidly. Note...Additional Fire Weather Forecast information can be found in the Area Forecast Discussion. See product PHXAFDPSR. AZZ132-190845- West Central Deserts/Northwest Maricopa County/Greater Phoenix Area/Southwest Deserts/Southwest Maricopa County/ Northwest and North-Central Pinal County- Phoenix BLM/YUM BLM/CAZ-CRZ- 141 PM MST Sat May 18 2024 .TONIGHT... * Sky/weather.....................Clear. * Min Temperature.................63-73. * 24 hr trend..................4 degrees cooler. * Max Humidity....................25-34 pct. * 24 hr trend..................4 pct drier. * Winds - 20 foot...Slope/Valley..Southwest 5 to 15 mph. * Winds...10000 FT MSL............Southwest 15 to 25 mph. * Chance of Precip................0 percent. * CWR (>= 0.10 IN)................0 percent. * LAL.............................1. .SUNDAY... * Sky/weather.....................Sunny. * Max Temperature.................92-99. * 24 hr trend..................Little change. * Min Humidity....................5-9 pct. * 24 hr trend..................Little RH change. * Winds - 20 foot...Slope/Valley..Southwest 5 to 15 mph. * Winds...10000 FT MSL............West 15 to 25 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 Phoenix.......9100 ft AGL. * Transport Wind for Phoenix......West 15 knots. * Dispersion for Phoenix..........Excellent. .SUNDAY NIGHT... * Sky/weather.....................Mostly clear. * Min Temperature.................61-71. * 24 hr trend..................Little change. * Max Humidity....................22-35 pct. * 24 hr trend..................Little RH change. * Winds - 20 foot...Slope/Valley..Southwest 5 to 15 mph. * Winds...10000 FT MSL............Southwest 15 to 25 mph in the evening becoming 25 to 35 mph after midnight. * Chance of Precip................0 percent. * CWR (>= 0.10 IN)................0 percent. * LAL.............................1. .MONDAY... * Sky/weather.....................Partly sunny. * Max Temperature.................88-95. * 24 hr trend..................4 degrees cooler. * Min Humidity....................7-11 pct. * 24 hr trend..................Little RH change. * Winds - 20 foot...Slope/Valley..South 5 to 15 mph in the morning becoming southwest 15 to 25 mph in the afternoon. * Winds...10000 FT MSL............Southwest 30 to 40 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 Phoenix.......12100 ft AGL. * Transport Wind for Phoenix......Southwest 27 knots. * Dispersion for Phoenix..........Excellent. .EXTENDED... .TUESDAY...Clear. Lows 57-67. Highs 87-93. West winds 5 to 15 mph. Minimum relative humidity may be lower than 15 percent. .WEDNESDAY...Clear. Lows 59-69. Highs 89-96. Southwest winds 5 to 15 mph. Minimum relative humidity may be lower than 15 percent. .THURSDAY...Clear. Lows 59-69. Highs 88-95. South winds 5 to 15 mph. Minimum relative humidity may be lower than 15 percent. .FRIDAY...Mostly clear. Lows 59-69. Highs 88-96. .SATURDAY...Clear. Lows 59-69. Highs 87-94. $$ AZZ131-CAZ231-190845- Yuma/Martinez Lake and Vicinity/Lower Colorado River Valley AZ- Lower Colorado River Valley CA- 141 PM MST Sat May 18 2024 /141 PM PDT Sat May 18 2024/ .TONIGHT... * Sky/weather.....................Clear. * Min Temperature.................63-68. * 24 hr trend..................4 degrees cooler. * Max Humidity....................29-43 pct. * 24 hr trend..................6 pct drier. * Winds - 20 foot...Slope/Valley..Southwest 10 to 20 mph. * Winds...10000 FT MSL............Southwest 15 to 25 mph. * Chance of Precip................0 percent. * CWR (>= 0.10 IN)................0 percent. * LAL.............................1. .SUNDAY... * Sky/weather.....................Sunny. * Max Temperature.................96-101. * 24 hr trend..................Little change. * Min Humidity....................5-9 pct. * 24 hr trend..................Little RH change. * Winds - 20 foot...Slope/Valley..Southwest 5 to 15 mph. * Winds...10000 FT MSL............West 15 to 25 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..........8400 ft AGL. * Transport Wind for Yuma.........Southwest 12 knots. * Dispersion for Yuma.............Excellent. .SUNDAY NIGHT... * Sky/weather.....................Mostly clear. * Min Temperature.................61-66. * 24 hr trend..................Little change. * Max Humidity....................33-48 pct. * 24 hr trend..................5 pct wetter. * Winds - 20 foot...Slope/Valley..Southwest 10 to 20 mph. * Winds...10000 FT MSL............West 15 to 25 mph in the evening becoming 30 to 40 mph after midnight. * Chance of Precip................0 percent. * CWR (>= 0.10 IN)................0 percent. * LAL.............................1. .MONDAY... * Sky/weather.....................Mostly sunny. * Max Temperature.................91-96. * 24 hr trend..................4 degrees cooler. * Min Humidity....................7-11 pct. * 24 hr trend..................3 pct wetter. * Winds - 20 foot...Slope/Valley..Southwest 5 to 15 mph in the morning becoming 15 to 25 mph in the afternoon. * Winds...10000 FT MSL............West 30 to 40 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..........7100 ft AGL. * Transport Wind for Yuma.........West 28 knots. * Dispersion for Yuma.............Excellent. .EXTENDED... .TUESDAY...Clear. Lows 58-64. Highs 90-95. West winds 10 to 20 mph. Minimum relative humidity may be lower than 15 percent. .WEDNESDAY...Clear. Lows 60-65. Highs 93-98. South winds 5 to 15 mph. Minimum relative humidity may be lower than 15 percent. .THURSDAY...Clear. Lows 60-65. Highs 91-96. South winds 10 to 20 mph. Minimum relative humidity may be lower than 15 percent. .FRIDAY...Clear. Lows 59-64. Highs 91-96. .SATURDAY...Clear. Lows 59-64. Highs 89-94. $$ AZZ133-190845- Southern Gila County/Tonto National Forest Foothills- Southern Tonto NF/West San Carlos BIA/South Portion Ft Apache BIA/ CAZ- 141 PM MST Sat May 18 2024 .TONIGHT... * Sky/weather.....................Clear. * Min Temperature.................53-66. * 24 hr trend..................3 degrees cooler. * Max Humidity....................28-38 pct. * 24 hr trend..................Little RH change. * Winds - 20 foot...Slope/Valley..West 5 to 15 mph in the evening becoming southwest 5 to 10 mph after midnight. * Winds...10000 FT MSL............Southwest 20 to 30 mph. * Chance of Precip................0 percent. * CWR (>= 0.10 IN)................0 percent. * LAL.............................1. .SUNDAY... * Sky/weather.....................Sunny. * Max Temperature.................79-94. * 24 hr trend..................3 degrees cooler. * 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............Southwest 20 to 30 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. .SUNDAY NIGHT... * Sky/weather.....................Clear. * Min Temperature.................51-63. * 24 hr trend..................Little change. * Max Humidity....................22-30 pct. * 24 hr trend..................7 pct drier. * Winds - 20 foot...Slope/Valley..West 5 to 10 mph in the evening becoming south after midnight. * Winds...10000 FT MSL............Southwest 15 to 25 mph in the evening becoming 25 to 35 mph after midnight. * Chance of Precip................0 percent. * CWR (>= 0.10 IN)................0 percent. * LAL.............................1. .MONDAY... * Sky/weather.....................Partly sunny. * Max Temperature.................77-90. * 24 hr trend..................3 degrees cooler. * Min Humidity....................9-14 pct. * 24 hr trend..................Little RH change. * Winds - 20 foot...Slope/Valley..South 5 to 10 mph in the morning becoming southwest 10 to 20 mph in the afternoon. * Winds...10000 FT MSL............Southwest 30 to 40 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. .EXTENDED... .TUESDAY...Clear. Lows 47-62. Highs 74-89. Southwest winds 10 to 20 mph. Minimum relative humidity may be lower than 15 percent. .WEDNESDAY...Clear. Lows 47-62. Highs 77-91. Southwest winds 10 to 20 mph. Minimum relative humidity may be lower than 15 percent. .THURSDAY...Clear. Lows 47-62. Highs 76-90. Southwest winds 10 to 20 mph. Minimum relative humidity may be lower than 15 percent. .FRIDAY...Mostly clear. Lows 48-62. Highs 77-91. .SATURDAY...Clear. Lows 48-62. Highs 76-91. $$ CAZ232-190845- Imperial County And Eastern Riverside County- 141 PM PDT Sat May 18 2024 .TONIGHT... * Sky/weather.....................Clear. * Min Temperature.................63-69. * 24 hr trend..................4 degrees cooler. * Max Humidity....................24-42 pct. * 24 hr trend..................3 pct drier. * Winds - 20 foot...Slope/Valley..West 10 to 20 mph. * Winds...10000 FT MSL............West 15 to 25 mph. * Chance of Precip................0 percent. * CWR (>= 0.10 IN)................0 percent. * LAL.............................1. .SUNDAY... * Sky/weather.....................Sunny. * Max Temperature.................89-99. * 24 hr trend..................Little change. * Min Humidity....................6-11 pct. * 24 hr trend..................Little RH change. * Winds - 20 foot...Slope/Valley..Southwest 5 to 15 mph. * Winds...10000 FT MSL............West 15 to 25 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. .SUNDAY NIGHT... * Sky/weather.....................Clear. * Min Temperature.................61-68. * 24 hr trend..................Little change. * Max Humidity....................30-51 pct. * 24 hr trend..................8 pct wetter. * Winds - 20 foot...Slope/Valley..West 10 to 20 mph. * Winds...10000 FT MSL............West 15 to 25 mph in the evening becoming 25 to 35 mph after midnight. * Chance of Precip................0 percent. * CWR (>= 0.10 IN)................0 percent. * LAL.............................1. .MONDAY... * Sky/weather.....................Mostly sunny. Patchy blowing dust in the afternoon. * Max Temperature.................85-94. * 24 hr trend..................5 degrees cooler. * Min Humidity....................9-15 pct. * 24 hr trend..................3 pct wetter. * Winds - 20 foot...Slope/Valley..West 5 to 15 mph in the morning becoming 15 to 25 mph in the afternoon. * Winds...10000 FT MSL............West 25 to 35 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. .EXTENDED... .TUESDAY...Clear. Lows 57-68. Highs 86-95. Northwest winds 10 to 20 mph. Minimum relative humidity may be lower than 15 percent. .WEDNESDAY...Clear. Lows 60-68. Highs 88-97. Southwest winds 10 to 20 mph. Minimum relative humidity may be lower than 15 percent. .THURSDAY...Clear. Lows 59-67. Highs 86-96. Southwest winds 10 to 20 mph. .FRIDAY...Clear. Lows 58-66. Highs 86-94. .SATURDAY...Clear. Lows 58-65. Highs 84-94. $$ CAZ230-190845- Joshua Tree National Park- 141 PM PDT Sat May 18 2024 .TONIGHT... * Sky/weather.....................Clear. * Min Temperature.................51-64. * 24 hr trend..................8 degrees cooler. * Max Humidity....................21-34 pct. * 24 hr trend..................Little RH change. * Winds - 20 foot...Slope/Valley..West 10 to 20 mph. * Winds...10000 FT MSL............West 10 to 15 mph. * Chance of Precip................0 percent. * CWR (>= 0.10 IN)................0 percent. * LAL.............................1. .SUNDAY... * Sky/weather.....................Sunny. * Max Temperature.................78-94. * 24 hr trend..................Little change. * Min Humidity....................7-16 pct. * 24 hr trend..................Little RH change. * Winds - 20 foot...Slope/Valley..West 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. .SUNDAY NIGHT... * Sky/weather.....................Clear. * Min Temperature.................51-63. * 24 hr trend..................Little change. * Max Humidity....................27-44 pct. * 24 hr trend..................8 pct wetter. * Winds - 20 foot...Slope/Valley..West 10 to 20 mph. * Winds...10000 FT MSL............West 15 to 25 mph. * Chance of Precip................0 percent. * CWR (>= 0.10 IN)................0 percent. * LAL.............................1. .MONDAY... * Sky/weather.....................Sunny. * Max Temperature.................71-89. * 24 hr trend..................6 degrees cooler. * Min Humidity....................9-24 pct. * 24 hr trend..................4 pct wetter. * Winds - 20 foot...Slope/Valley..West 10 to 20 mph. * Winds...10000 FT MSL............West 15 to 25 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. .EXTENDED... .TUESDAY...Clear. Lows 48-64. Highs 75-88. Northwest winds 10 to 20 mph. Minimum relative humidity may be lower than 15 percent. .WEDNESDAY...Clear. Lows 51-64. Highs 77-92. West winds 10 to 20 mph. Minimum relative humidity may be lower than 15 percent. .THURSDAY...Clear. Lows 50-63. Highs 75-90. Southwest winds 10 to 20 mph. .FRIDAY...Clear. Lows 48-63. Highs 74-90. .SATURDAY...Clear. Lows 48-61. Highs 72-88. $$ .8 TO 10 DAY OUTLOOK...Sunday May 26th through Tuesday May 28th: Near normal temperatures and near median precipitation.