Routine Fire Wx Fcst (With/Without 6-10 Day Outlook)
Issued by NWS Phoenix, AZ
Issued by NWS Phoenix, AZ
692 FNUS55 KPSR 190827 FWFPSR Fire Weather Planning Forecast for Southwest and South-Central Arizona and Southeast California National Weather Service Phoenix AZ 127 AM MST Fri Sep 19 2025 .DISCUSSION... Drying conditions will be seen into the weekend, but lingering moisture today over the eastern districts will provide for continued chances for showers and thunderstorms mainly focused over the Arizona high terrain. Despite moisture levels overall decreasing, humidities will stay elevated through the weekend with MinRHs mostly staying above 25-30%. Winds will remain rather light and mostly follow diurnal directional trends. ...Thunderstorms imply gusty winds... Note...Additional Fire Weather Forecast information can be found in the Area Forecast Discussion. See product PHXAFDPSR. AZZ132-192030- 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- 127 AM MST Fri Sep 19 2025 .TODAY... * Sky/weather.....................Mostly sunny. Slight chance of showers and thunderstorms. * Max Temperature.................92-99. * 24 hr trend..................Little change. * Min Humidity....................32-40 pct. * 24 hr trend..................4 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 15 to 25 mph. * Chance of Precip................20 percent. * CWR (>= 0.10 IN)................0 percent west portion...20 percent east portion. * Chance of Thunder...............14 percent. * Mixing Height for Phoenix.......7900 ft AGL. * Transport Wind for Phoenix......West 5 knots. * Dispersion for Phoenix..........Good. .TONIGHT... * Sky/weather.....................Mostly clear. Slight chance of showers and thunderstorms. * Min Temperature.................74-84. * 24 hr trend..................Little change. * Max Humidity....................58-71 pct. * 24 hr trend..................5 pct drier. * Winds - 20 foot...Slope/Valley..Northwest 5 to 10 mph in the evening becoming east after midnight. * Winds...10000 FT MSL............Southwest 10 to 20 mph. * Chance of Precip................0 percent. * CWR (>= 0.10 IN)................0 percent. * Chance of Thunder...............5 percent. .SATURDAY... * Sky/weather.....................Sunny. * Max Temperature.................94-101. * 24 hr trend..................Little change. * Min Humidity....................28-35 pct. * 24 hr trend..................4 pct drier. * Winds - 20 foot...Slope/Valley..Southeast 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...............4 percent. * Mixing Height for Phoenix.......9100 ft AGL. * Transport Wind for Phoenix......Southwest 7 knots. * Dispersion for Phoenix..........Good. .EXTENDED... .SUNDAY...Partly cloudy with slight chance of showers and thunderstorms. Lows 71-81. Highs 91-98. West winds 5 to 15 mph. .MONDAY...Partly cloudy with slight chance of showers and thunderstorms. Lows 71-81. Highs 89-95. Northwest winds 5 to 10 mph. .TUESDAY...Mostly clear. Lows 71-81. Highs 94-100. East winds 5 to 10 mph. .WEDNESDAY...Mostly clear. Lows 71-81. Highs 95-100. .THURSDAY...Mostly clear. Lows 73-83. Highs 95-102. $$ AZZ131-CAZ231-192030- Yuma/Martinez Lake and Vicinity/Lower Colorado River Valley AZ- Lower Colorado River Valley CA- 127 AM MST Fri Sep 19 2025 /127 AM PDT Fri Sep 19 2025/ .TODAY... * Sky/weather.....................Sunny. * Max Temperature.................93-98. * 24 hr trend..................3 degrees warmer. * Min Humidity....................36-44 pct. * 24 hr trend..................10 pct drier. * Winds - 20 foot...Slope/Valley..North 5 to 10 mph in the morning becoming southwest in the afternoon. * Winds...10000 FT MSL............Southwest 20 to 30 mph. * Chance of Precip................0 percent. * CWR (>= 0.10 IN)................0 percent. * Chance of Thunder...............1 percent. * Mixing Height for Yuma..........7100 ft AGL. * Transport Wind for Yuma.........Southwest 5 knots. * Dispersion for Yuma.............Fair. .TONIGHT... * Sky/weather.....................Mostly clear. * Min Temperature.................73-79. * 24 hr trend..................Little change. * Max Humidity....................64-79 pct. * 24 hr trend..................14 pct drier. * Winds - 20 foot...Slope/Valley..Southwest 5 to 10 mph in the evening becoming north 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...............1 percent. .SATURDAY... * Sky/weather.....................Sunny. * Max Temperature.................95-100. * 24 hr trend..................3 degrees warmer. * Min Humidity....................31-36 pct. * 24 hr trend..................6 pct drier. * Winds - 20 foot...Slope/Valley..Northwest 5 to 10 mph in the morning becoming southwest in the afternoon. * Winds...10000 FT MSL............Southwest 15 to 25 mph. * Chance of Precip................0 percent. * CWR (>= 0.10 IN)................0 percent. * Chance of Thunder...............3 percent. * Mixing Height for Yuma..........6500 ft AGL. * Transport Wind for Yuma.........West 5 knots. * Dispersion for Yuma.............Fair. .EXTENDED... .SUNDAY...Partly cloudy with slight chance of showers and thunderstorms. Lows 70-80. Highs 91-96. West winds 5 to 15 mph. .MONDAY...Mostly clear with slight chance of showers. Lows 70-76. Highs 91-96. Northwest winds 5 to 15 mph. .TUESDAY...Mostly clear. Lows 70-76. Highs 94-99. Northwest winds 5 to 10 mph. .WEDNESDAY...Clear. Lows 71-77. Highs 95-100. .THURSDAY...Clear. Lows 71-78. Highs 97-102. $$ AZZ133-192030- Southern Gila County/Tonto National Forest Foothills- Southern Tonto NF/West San Carlos BIA/South Portion Ft Apache BIA/ CAZ- 127 AM MST Fri Sep 19 2025 .TODAY... * Sky/weather.....................Partly sunny. Chance of showers and thunderstorms. * Max Temperature.................79-95. * 24 hr trend..................Little change. * Min Humidity....................32-47 pct. * 24 hr trend..................5 pct wetter. * 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................40 percent. * CWR (>= 0.10 IN)................40 percent. * Chance of Thunder...............40 percent. .TONIGHT... * Sky/weather.....................Mostly clear. Slight chance of showers and thunderstorms. * Min Temperature.................58-75. * 24 hr trend..................Little change. * Max Humidity....................62-87 pct. * 24 hr trend..................3 pct drier. * Winds - 20 foot...Slope/Valley..Northeast 5 to 15 mph. * Winds...10000 FT MSL............Southwest 10 to 15 mph. * Chance of Precip................20 percent. * CWR (>= 0.10 IN)................10 percent. * Chance of Thunder...............17 percent. .SATURDAY... * Sky/weather.....................Mostly sunny. * Max Temperature.................82-97. * 24 hr trend..................Little change. * Min Humidity....................27-37 pct. * 24 hr trend..................7 pct drier. * Winds - 20 foot...Slope/Valley..East 5 to 10 mph in the morning becoming west in the afternoon. * Winds...10000 FT MSL............Southwest 10 to 15 mph. * Chance of Precip................0 percent. * CWR (>= 0.10 IN)................0 percent. * Chance of Thunder...............4 percent. .EXTENDED... .SUNDAY...Partly cloudy with slight chance of showers and thunderstorms. Lows 58-76. Highs 82-96. Northwest winds 5 to 15 mph. .MONDAY...Partly cloudy with slight chance of showers and thunderstorms. Lows 57-74. Highs 77-91. Northwest winds 5 to 15 mph. .TUESDAY...Mostly clear with slight chance of showers and thunderstorms. Lows 57-74. Highs 82-97. East winds 5 to 15 mph. .WEDNESDAY...Mostly clear. Lows 58-75. Highs 83-97. .THURSDAY...Mostly clear with slight chance of showers and thunderstorms. Lows 57-75. Highs 82-97. $$ CAZ232-192030- Imperial County And Eastern Riverside County- 127 AM PDT Fri Sep 19 2025 .TODAY... * Sky/weather.....................Sunny. * Max Temperature.................88-97. * 24 hr trend..................4 degrees warmer. * Min Humidity....................30-41 pct. * 24 hr trend..................10 pct drier. * Winds - 20 foot...Slope/Valley..Northwest 5 to 10 mph in the morning becoming southwest in the afternoon. * Winds...10000 FT MSL............Southwest 20 to 30 mph. * Chance of Precip................0 percent. * CWR (>= 0.10 IN)................0 percent. * Chance of Thunder...............1 percent. .TONIGHT... * Sky/weather.....................Clear. * Min Temperature.................73-78. * 24 hr trend..................Little change. * Max Humidity....................54-71 pct. * 24 hr trend..................19 pct drier. * Winds - 20 foot...Slope/Valley..West 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. .SATURDAY... * Sky/weather.....................Sunny. * Max Temperature.................91-100. * 24 hr trend..................3 degrees warmer. * Min Humidity....................25-34 pct. * 24 hr trend..................7 pct drier. * Winds - 20 foot...Slope/Valley..Northwest 5 to 10 mph in the morning becoming southwest in the afternoon. * Winds...10000 FT MSL............Southwest 20 to 30 mph. * Chance of Precip................0 percent. * CWR (>= 0.10 IN)................0 percent. * Chance of Thunder...............4 percent. .EXTENDED... .SUNDAY...Partly cloudy with chance of showers and slight chance of thunderstorms. Lows 69-78. Highs 86-93. West winds 5 to 10 mph. .MONDAY...Partly cloudy with slight chance of showers. Lows 69-77. Highs 87-95. Northwest winds 5 to 10 mph. .TUESDAY...Mostly clear with slight chance of showers. Lows 71-77. Highs 88-97. Northwest winds 5 to 10 mph. .WEDNESDAY...Mostly clear. Lows 72-77. Highs 90-98. .THURSDAY...Mostly clear. Lows 72-77. Highs 92-101. $$ CAZ230-192030- Joshua Tree National Park- 127 AM PDT Fri Sep 19 2025 .TODAY... * Sky/weather.....................Sunny. * Max Temperature.................76-90. * 24 hr trend..................5 degrees warmer. * Min Humidity....................31-50 pct. * 24 hr trend..................9 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. * Chance of Thunder...............6 percent. .TONIGHT... * Sky/weather.....................Clear. * Min Temperature.................60-72. * 24 hr trend..................Little change. * Max Humidity....................59-72 pct. * 24 hr trend..................24 pct drier. * 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. .SATURDAY... * Sky/weather.....................Sunny. * Max Temperature.................79-93. * 24 hr trend..................3 degrees warmer. * Min Humidity....................24-31 pct. * 24 hr trend..................12 pct drier. * Winds - 20 foot...Slope/Valley..West 5 to 10 mph in the morning becoming south in the afternoon. * Winds...10000 FT MSL............Southwest 15 to 25 mph. * Chance of Precip................0 percent. * CWR (>= 0.10 IN)................0 percent. * Chance of Thunder...............4 percent. .EXTENDED... .SUNDAY...Partly cloudy with chance of showers. Lows 59-72. Highs 77-88. West winds 5 to 10 mph. .MONDAY...Mostly clear with slight chance of showers. Lows 59-72. Highs 77-89. Northwest winds 5 to 10 mph. .TUESDAY...Mostly clear with slight chance of showers and thunderstorms. Lows 61-72. Highs 77-90. Northwest winds 5 to 15 mph. .WEDNESDAY...Mostly clear. Lows 61-72. Highs 79-91. .THURSDAY...Mostly clear. Lows 62-72. Highs 81-94. $$ .8 TO 10 DAY OUTLOOK...Friday September 26th through Sunday September 28th: Above normal temperatures and near to above median precipitation.