Routine Fire Wx Fcst (With/Without 6-10 Day Outlook)
Issued by NWS Phoenix, AZ
Issued by NWS Phoenix, AZ
661 FNUS55 KPSR 181929 FWFPSR Fire Weather Planning Forecast for Southwest and South-Central Arizona and Southeast California National Weather Service Phoenix AZ 1229 PM MST Sat Oct 18 2025 .DISCUSSION... High pressure will strengthen over the region through this weekend into the beginning of next week, promoting warming temperatures. Min RHs will mostly range between 15-20% across the lower deserts to 20-25% for higher terrain areas. Light winds are also anticipated through at least Monday with directions mostly following common diurnal patterns. Note...Additional Fire Weather Forecast information can be found in the Area Forecast Discussion. See product PHXAFDPSR. AZZ132-190730- 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- 1229 PM MST Sat Oct 18 2025 .TONIGHT... * Sky/weather.....................Mostly clear. * Min Temperature.................56-66. * 24 hr trend..................Little change. * Max Humidity....................33-55 pct. * 24 hr trend..................Little RH change. * Winds - 20 foot...Slope/Valley..Northwest 5 to 10 mph in the evening becoming northeast after midnight. * Winds...10000 FT MSL............Southeast 10 to 20 mph. * Chance of Precip................0 percent. * CWR (>= 0.10 IN)................0 percent. * Chance of Thunder...............0 percent. .SUNDAY... * Sky/weather.....................Sunny. * Max Temperature.................84-89. * 24 hr trend..................3 degrees warmer. * Min Humidity....................14-20 pct. * 24 hr trend..................Little RH change. * Winds - 20 foot...Slope/Valley..Northeast 5 to 10 mph in the morning becoming southwest in the afternoon. * Winds...10000 FT MSL............Southwest 10 to 20 mph. * Chance of Precip................0 percent. * CWR (>= 0.10 IN)................0 percent. * Chance of Thunder...............0 percent. * Mixing Height for Phoenix.......4400 ft AGL. * Transport Wind for Phoenix......Southwest 3 knots. * Dispersion for Phoenix..........Marginal. .SUNDAY NIGHT... * Sky/weather.....................Mostly clear. * Min Temperature.................57-67. * 24 hr trend..................Little change. * Max Humidity....................31-51 pct. * 24 hr trend..................3 pct drier. * Winds - 20 foot...Slope/Valley..West 5 to 10 mph in the evening becoming east after midnight. * Winds...10000 FT MSL............Southwest 15 to 25 mph. * Chance of Precip................0 percent. * CWR (>= 0.10 IN)................0 percent. * Chance of Thunder...............0 percent. .MONDAY... * Sky/weather.....................Sunny. * Max Temperature.................85-90. * 24 hr trend..................Little change. * Min Humidity....................13-21 pct. * 24 hr trend..................Little RH change. * Winds - 20 foot...Slope/Valley..East 5 to 10 mph in the morning becoming northwest in the afternoon. * Winds...10000 FT MSL............West 15 to 25 mph. * Chance of Precip................0 percent. * CWR (>= 0.10 IN)................0 percent. * Chance of Thunder...............0 percent. * Mixing Height for Phoenix.......4500 ft AGL. * Transport Wind for Phoenix......West 3 knots. * Dispersion for Phoenix..........Marginal. .EXTENDED... .TUESDAY...Mostly clear. Lows 57-67. Highs 86-91. Northeast winds 5 to 10 mph. .WEDNESDAY...Mostly clear. Lows 56-66. Highs 83-88. Southwest winds 5 to 15 mph. .THURSDAY...Mostly clear. Lows 56-66. Highs 79-85. Northwest winds 5 to 10 mph. .FRIDAY...Mostly clear. Lows 57-67. Highs 82-88. .SATURDAY...Mostly clear. Lows 57-67. Highs 82-88. $$ AZZ131-CAZ231-190730- Yuma/Martinez Lake and Vicinity/Lower Colorado River Valley AZ- Lower Colorado River Valley CA- 1229 PM MST Sat Oct 18 2025 /1229 PM PDT Sat Oct 18 2025/ .TONIGHT... * Sky/weather.....................Mostly clear. * Min Temperature.................54-61. * 24 hr trend..................Little change. * Max Humidity....................36-49 pct. * 24 hr trend..................3 pct drier. * Winds - 20 foot...Slope/Valley..North 5 to 15 mph. * Winds...10000 FT MSL............Southeast 10 to 20 mph. * Chance of Precip................0 percent. * CWR (>= 0.10 IN)................0 percent. * Chance of Thunder...............0 percent. .SUNDAY... * Sky/weather.....................Sunny. * Max Temperature.................85-90. * 24 hr trend..................Little change. * Min Humidity....................13-17 pct. * 24 hr trend..................Little RH change. * Winds - 20 foot...Slope/Valley..North 5 to 10 mph in the morning becoming west in the afternoon. * Winds...10000 FT MSL............Southwest 10 to 20 mph. * Chance of Precip................0 percent. * CWR (>= 0.10 IN)................0 percent. * Chance of Thunder...............0 percent. * Mixing Height for Yuma..........4500 ft AGL. * Transport Wind for Yuma.........Southwest 4 knots. * Dispersion for Yuma.............Marginal. .SUNDAY NIGHT... * Sky/weather.....................Clear. * Min Temperature.................54-62. * 24 hr trend..................Little change. * Max Humidity....................35-47 pct. * 24 hr trend..................Little RH change. * Winds - 20 foot...Slope/Valley..Southwest 5 to 10 mph in the evening becoming northeast after midnight. * Winds...10000 FT MSL............Southwest 15 to 25 mph. * Chance of Precip................0 percent. * CWR (>= 0.10 IN)................0 percent. * Chance of Thunder...............0 percent. .MONDAY... * Sky/weather.....................Sunny. * Max Temperature.................86-91. * 24 hr trend..................Little change. * Min Humidity....................13-17 pct. * 24 hr trend..................Little change. * Winds - 20 foot...Slope/Valley..North 5 to 15 mph. * Winds...10000 FT MSL............West 10 to 20 mph. * Chance of Precip................0 percent. * CWR (>= 0.10 IN)................0 percent. * Chance of Thunder...............0 percent. * Mixing Height for Yuma..........4000 ft AGL. * Transport Wind for Yuma.........Southwest 3 knots. * Dispersion for Yuma.............Poor. .EXTENDED... .TUESDAY...Mostly clear. Lows 55-65. Highs 87-92. Northeast winds 5 to 10 mph. Minimum relative humidity may be lower than 15 percent. .WEDNESDAY...Mostly clear. Lows 55-65. Highs 81-86. West winds 5 to 15 mph. .THURSDAY...Mostly clear. Lows 55-63. Highs 82-87. Northwest winds 5 to 15 mph. .FRIDAY...Mostly clear. Lows 56-64. Highs 84-89. .SATURDAY...Mostly clear. Lows 57-64. Highs 84-89. $$ AZZ133-190730- Southern Gila County/Tonto National Forest Foothills- Southern Tonto NF/West San Carlos BIA/South Portion Ft Apache BIA/ CAZ- 1229 PM MST Sat Oct 18 2025 .TONIGHT... * Sky/weather.....................Partly cloudy. * Min Temperature.................45-60. * 24 hr trend..................3 degrees warmer. * Max Humidity....................39-52 pct. * 24 hr trend..................12 pct drier. * Winds - 20 foot...Slope/Valley..North 5 to 10 mph in the evening becoming northeast after midnight. * Winds...10000 FT MSL............Southeast 10 to 20 mph. * Chance of Precip................0 percent. * CWR (>= 0.10 IN)................0 percent. * Chance of Thunder...............0 percent. .SUNDAY... * Sky/weather.....................Sunny. * Max Temperature.................73-87. * 24 hr trend..................4 degrees warmer. * Min Humidity....................18-24 pct. * 24 hr trend..................3 pct drier. * Winds - 20 foot...Slope/Valley..East 5 to 10 mph in the morning becoming south in the afternoon. * Winds...10000 FT MSL............Southwest 10 to 20 mph. * Chance of Precip................0 percent. * CWR (>= 0.10 IN)................0 percent. * Chance of Thunder...............0 percent. .SUNDAY NIGHT... * Sky/weather.....................Mostly clear. * Min Temperature.................46-60. * 24 hr trend..................Little change. * Max Humidity....................41-56 pct. * 24 hr trend..................Little RH change. * Winds - 20 foot...Slope/Valley..East 5 to 15 mph. * Winds...10000 FT MSL............Southwest 20 to 30 mph. * Chance of Precip................0 percent. * CWR (>= 0.10 IN)................0 percent. * Chance of Thunder...............0 percent. .MONDAY... * Sky/weather.....................Sunny. * Max Temperature.................73-85. * 24 hr trend..................Little change. * Min Humidity....................19-25 pct. * 24 hr trend..................Little RH change. * Winds - 20 foot...Slope/Valley..East 5 to 10 mph in the morning becoming west in the afternoon. * Winds...10000 FT MSL............West 20 to 30 mph. * Chance of Precip................0 percent. * CWR (>= 0.10 IN)................0 percent. * Chance of Thunder...............0 percent. .EXTENDED... .TUESDAY...Mostly clear. Lows 44-64. Highs 74-87. East winds 5 to 15 mph. .WEDNESDAY...Partly cloudy. Lows 44-64. Highs 72-85. Southeast winds 5 to 15 mph. .THURSDAY...Mostly clear. Lows 42-58. Highs 68-81. West winds 5 to 10 mph. .FRIDAY...Mostly clear. Lows 42-60. Highs 70-83. .SATURDAY...Mostly clear. Lows 45-60. Highs 69-84. $$ CAZ232-190730- Imperial County And Eastern Riverside County- 1229 PM PDT Sat Oct 18 2025 .TONIGHT... * Sky/weather.....................Partly cloudy. * Min Temperature.................58-65. * 24 hr trend..................Little change. * Max Humidity....................25-43 pct. * 24 hr trend..................4 pct drier. * Winds - 20 foot...Slope/Valley..Northwest 5 to 15 mph. * Winds...10000 FT MSL............Southeast 10 to 20 mph. * Chance of Precip................0 percent. * CWR (>= 0.10 IN)................0 percent. * Chance of Thunder...............0 percent. .SUNDAY... * Sky/weather.....................Sunny. * Max Temperature.................81-90. * 24 hr trend..................Little change. * Min Humidity....................12-16 pct. * 24 hr trend..................Little RH change. * Winds - 20 foot...Slope/Valley..Northwest 5 to 10 mph in the morning becoming south in the afternoon. * Winds...10000 FT MSL............Southwest 10 to 20 mph. * Chance of Precip................0 percent. * CWR (>= 0.10 IN)................0 percent. * Chance of Thunder...............0 percent. .SUNDAY NIGHT... * Sky/weather.....................Clear. * Min Temperature.................58-65. * 24 hr trend..................Little change. * Max Humidity....................26-45 pct. * 24 hr trend..................Little RH change. * Winds - 20 foot...Slope/Valley..Southwest 5 to 10 mph in the evening becoming northwest after midnight. * Winds...10000 FT MSL............Southwest 15 to 25 mph. * Chance of Precip................0 percent. * CWR (>= 0.10 IN)................0 percent. * Chance of Thunder...............0 percent. .MONDAY... * Sky/weather.....................Sunny. * Max Temperature.................82-90. * 24 hr trend..................Little change. * Min Humidity....................12-18 pct. * 24 hr trend..................Little RH change. * Winds - 20 foot...Slope/Valley..North 5 to 10 mph in the morning becoming northeast in the afternoon. * Winds...10000 FT MSL............Southwest 10 to 20 mph. * Chance of Precip................0 percent. * CWR (>= 0.10 IN)................0 percent. * Chance of Thunder...............0 percent. .EXTENDED... .TUESDAY...Mostly clear. Lows 59-67. Highs 82-90. North winds 5 to 15 mph. .WEDNESDAY...Mostly clear. Lows 57-65. Highs 76-85. West winds 10 to 20 mph. .THURSDAY...Mostly clear. Lows 57-66. Highs 79-87. Northwest winds 5 to 15 mph. .FRIDAY...Mostly clear. Lows 59-66. Highs 80-88. .SATURDAY...Mostly clear. Lows 58-65. Highs 79-89. $$ CAZ230-190730- Joshua Tree National Park- 1229 PM PDT Sat Oct 18 2025 .TONIGHT... * Sky/weather.....................Partly cloudy. * Min Temperature.................51-60. * 24 hr trend..................Little change. * Max Humidity....................26-32 pct. * 24 hr trend..................5 pct drier. * Winds - 20 foot...Slope/Valley..South 5 to 10 mph in the evening becoming west after midnight. * Winds...10000 FT MSL............Southeast 10 to 20 mph. * Chance of Precip................0 percent. * CWR (>= 0.10 IN)................0 percent. * Chance of Thunder...............0 percent. .SUNDAY... * Sky/weather.....................Mostly sunny. * Max Temperature.................72-84. * 24 hr trend..................Little change. * Min Humidity....................12-16 pct. * 24 hr trend..................Little RH change. * Winds - 20 foot...Slope/Valley..Southwest 5 to 10 mph in the morning becoming south in the afternoon. * Winds...10000 FT MSL............Southwest 10 to 20 mph. * Chance of Precip................0 percent. * CWR (>= 0.10 IN)................0 percent. * Chance of Thunder...............0 percent. .SUNDAY NIGHT... * Sky/weather.....................Mostly clear. * Min Temperature.................52-59. * 24 hr trend..................Little change. * Max Humidity....................26-33 pct. * 24 hr trend..................Little change. * Winds - 20 foot...Slope/Valley..West 5 to 15 mph. * Winds...10000 FT MSL............Southwest 10 to 20 mph. * Chance of Precip................0 percent. * CWR (>= 0.10 IN)................0 percent. * Chance of Thunder...............0 percent. .MONDAY... * Sky/weather.....................Sunny. * Max Temperature.................73-84. * 24 hr trend..................Little change. * Min Humidity....................13-17 pct. * 24 hr trend..................Little RH change. * Winds - 20 foot...Slope/Valley..North 5 to 10 mph in the morning becoming east in the afternoon. * Winds...10000 FT MSL............Southwest 10 to 20 mph. * Chance of Precip................0 percent. * CWR (>= 0.10 IN)................0 percent. * Chance of Thunder...............0 percent. .EXTENDED... .TUESDAY...Mostly clear. Lows 50-60. Highs 73-85. Northwest winds 5 to 10 mph. .WEDNESDAY...Mostly clear. Lows 49-60. Highs 65-80. West winds 5 to 15 mph. .THURSDAY...Mostly clear. Lows 49-60. Highs 70-82. Northwest winds 5 to 15 mph. .FRIDAY...Mostly clear. Lows 52-60. Highs 72-83. .SATURDAY...Mostly clear. Lows 49-60. Highs 69-82. $$ .8 TO 10 DAY OUTLOOK...Sunday October 26th through Tuesday October 28th: Near normal temperatures and near median precipitation.