Routine Fire Wx Fcst (With/Without 6-10 Day Outlook)
Issued by NWS Phoenix, AZ
Issued by NWS Phoenix, AZ
128 FNUS55 KPSR 301904 FWFPSR Fire Weather Planning Forecast for Southwest and South-Central Arizona and Southeast California National Weather Service Phoenix AZ 1204 PM MST Wed Sep 30 2026 .DISCUSSION... Aside of a few afternoon showers across the far eastern districts, dry conditions will prevail during the next several days. Temperatures will remain well below normal across south-central AZ and near normal for areas along and west of the Colorado River Valley today with a gradual warming trend through the end of the week. Afternoon relative humidities will bottom out around 15-30% across the western districts and remain above 40% across the eastern districts through the end of the week along with good to excellent overnight recoveries. Winds through Thursday will be light and diurnal with speeds remaining predominantly 10 mph or less before increasing out of the east by Friday. Note...Additional Fire Weather Forecast information can be found in the Area Forecast Discussion. See product PHXAFDPSR. AZZ132-010715- 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- 1204 PM MST Wed Sep 30 2026 .TONIGHT... * Sky/weather.....................Mostly clear. * Min Temperature.................63-73. * 24 hr trend..................Little change. * Max Humidity....................66-87 pct. * 24 hr trend..................Little RH change. * Winds - 20 foot...Slope/Valley..Light and variable in the evening becoming east 5 to 10 mph after midnight. * Winds...10000 FT MSL............North 15 to 25 mph. * Chance of Precip................0 percent. * CWR (>= 0.10 IN)................0 percent. * Chance of Thunder...............0 percent. .THURSDAY... * Sky/weather.....................Sunny. * Max Temperature.................86-93. * 24 hr trend..................6 degrees warmer. * Min Humidity....................28-42 pct. * 24 hr trend..................7 pct drier. * Winds - 20 foot...Slope/Valley..Northeast 5 to 15 mph. * Winds...10000 FT MSL............Northeast 10 to 20 mph. * Chance of Precip................0 percent. * CWR (>= 0.10 IN)................0 percent. * Chance of Thunder...............0 percent. * Mixing Height for Phoenix.......4900 ft AGL. * Transport Wind for Phoenix......Northwest 5 knots. * Dispersion for Phoenix..........Fair. .THURSDAY NIGHT... * Sky/weather.....................Mostly clear. * Min Temperature.................67-77. * 24 hr trend..................4 degrees warmer. * Max Humidity....................55-76 pct. * 24 hr trend..................12 pct drier. * Winds - 20 foot...Slope/Valley..Light and variable in the evening becoming northeast 5 to 10 mph after midnight. * Winds...10000 FT MSL............Northeast 15 to 25 mph. * Chance of Precip................0 percent. * CWR (>= 0.10 IN)................0 percent. * Chance of Thunder...............0 percent. .FRIDAY... * Sky/weather.....................Sunny. * Max Temperature.................88-96. * 24 hr trend..................3 degrees warmer. * Min Humidity....................25-36 pct. * 24 hr trend..................5 pct drier. * Winds - 20 foot...Slope/Valley..East 5 to 15 mph. * Winds...10000 FT MSL............East 15 to 25 mph. * Chance of Precip................0 percent. * CWR (>= 0.10 IN)................0 percent. * Chance of Thunder...............0 percent. * Mixing Height for Phoenix.......8200 ft AGL. * Transport Wind for Phoenix......East 13 knots. * Dispersion for Phoenix..........Excellent. .EXTENDED... .SATURDAY...Clear. Lows 69-79. Highs 88-96. East winds 15 to 25 mph. .SUNDAY...Clear. Lows 69-79. Highs 89-98. East winds 15 to 25 mph. .MONDAY...Mostly clear. Lows 70-80. Highs 90-98. East winds 10 to 20 mph. .TUESDAY...Clear. Lows 71-81. Highs 91-99. .WEDNESDAY...Clear. Lows 71-81. Highs 94-101. $$ AZZ131-CAZ231-010715- Yuma/Martinez Lake and Vicinity/Lower Colorado River Valley AZ- Lower Colorado River Valley CA- 1204 PM MST Wed Sep 30 2026 /1204 PM PDT Wed Sep 30 2026/ .TONIGHT... * Sky/weather.....................Clear. * Min Temperature.................65-71. * 24 hr trend..................Little change. * Max Humidity....................68-81 pct. * 24 hr trend..................5 pct wetter. * Winds - 20 foot...Slope/Valley..Southeast 5 to 15 mph. * Winds...10000 FT MSL............North 20 to 30 mph. * Chance of Precip................0 percent. * CWR (>= 0.10 IN)................0 percent. * Chance of Thunder...............0 percent. .THURSDAY... * Sky/weather.....................Sunny. * Max Temperature.................92-97. * 24 hr trend..................Little change. * Min Humidity....................23-28 pct. * 24 hr trend..................Little RH change. * Winds - 20 foot...Slope/Valley..East 5 to 10 mph in the morning becoming northeast in the afternoon. * Winds...10000 FT MSL............Northeast 10 to 20 mph. * Chance of Precip................0 percent. * CWR (>= 0.10 IN)................0 percent. * Chance of Thunder...............0 percent. * Mixing Height for Yuma..........6300 ft AGL. * Transport Wind for Yuma.........West 4 knots. * Dispersion for Yuma.............Marginal. .THURSDAY NIGHT... * Sky/weather.....................Mostly clear. * Min Temperature.................68-75. * 24 hr trend..................3 degrees warmer. * Max Humidity....................51-66 pct. * 24 hr trend..................16 pct drier. * Winds - 20 foot...Slope/Valley..Northeast 5 to 10 mph. * Winds...10000 FT MSL............East 10 to 20 mph. * Chance of Precip................0 percent. * CWR (>= 0.10 IN)................0 percent. * Chance of Thunder...............0 percent. .FRIDAY... * Sky/weather.....................Sunny. * Max Temperature.................95-100. * 24 hr trend..................3 degrees warmer. * Min Humidity....................21-26 pct. * 24 hr trend..................Little RH change. * Winds - 20 foot...Slope/Valley..Northeast 5 to 15 mph. * Winds...10000 FT MSL............East 10 to 20 mph. * Chance of Precip................0 percent. * CWR (>= 0.10 IN)................0 percent. * Chance of Thunder...............0 percent. * Mixing Height for Yuma..........10400 ft AGL. * Transport Wind for Yuma.........East 15 knots. * Dispersion for Yuma.............Excellent. .EXTENDED... .SATURDAY...Clear. Lows 72-80. Highs 95-100. East winds 10 to 20 mph. .SUNDAY...Clear. Lows 72-79. Highs 96-101. Northeast winds 10 to 20 mph. .MONDAY...Clear. Lows 73-79. Highs 96-101. Northeast winds 10 to 20 mph. .TUESDAY...Clear. Lows 72-79. Highs 97-102. .WEDNESDAY...Clear. Lows 72-81. Highs 99-104. $$ AZZ133-010715- Southern Gila County/Tonto National Forest Foothills- Southern Tonto NF/West San Carlos BIA/South Portion Ft Apache BIA/ CAZ- 1204 PM MST Wed Sep 30 2026 .TONIGHT... * Sky/weather.....................Mostly clear. * Min Temperature.................48-64. * 24 hr trend..................Little change. * Max Humidity....................78-100 pct. * 24 hr trend..................6 pct drier. * Winds - 20 foot...Slope/Valley..Light and variable in the evening becoming north 5 to 10 mph after midnight. * Winds...10000 FT MSL............North 25 to 35 mph. * Chance of Precip................0 percent. * CWR (>= 0.10 IN)................0 percent. * Chance of Thunder...............3 percent. .THURSDAY... * Sky/weather.....................Sunny. * Max Temperature.................75-87. * 24 hr trend..................12 degrees warmer. * Min Humidity....................37-50 pct. * 24 hr trend..................17 pct drier. * Winds - 20 foot...Slope/Valley..Northeast 5 to 15 mph. * Winds...10000 FT MSL............Northeast 20 to 30 mph. * Chance of Precip................0 percent. * CWR (>= 0.10 IN)................0 percent. * Chance of Thunder...............0 percent. .THURSDAY NIGHT... * Sky/weather.....................Mostly clear. * Min Temperature.................52-68. * 24 hr trend..................4 degrees warmer. * Max Humidity....................63-86 pct. * 24 hr trend..................15 pct drier. * Winds - 20 foot...Slope/Valley..Northeast 5 to 15 mph. * Winds...10000 FT MSL............Northeast 15 to 25 mph. * Chance of Precip................0 percent. * CWR (>= 0.10 IN)................0 percent. * Chance of Thunder...............0 percent. .FRIDAY... * Sky/weather.....................Sunny. * Max Temperature.................75-89. * 24 hr trend..................Little change. * Min Humidity....................31-45 pct. * 24 hr trend..................5 pct drier. * Winds - 20 foot...Slope/Valley..East 5 to 15 mph. * Winds...10000 FT MSL............East 15 to 25 mph. * Chance of Precip................0 percent. * CWR (>= 0.10 IN)................0 percent. * Chance of Thunder...............0 percent. .EXTENDED... .SATURDAY...Clear. Lows 52-70. Highs 74-88. East winds 15 to 25 mph. .SUNDAY...Clear. Lows 53-71. Highs 75-89. East winds 15 to 25 mph. .MONDAY...Mostly clear. Lows 55-71. Highs 73-89. East winds 15 to 25 mph. .TUESDAY...Mostly clear. Lows 54-71. Highs 75-90. .WEDNESDAY...Mostly clear. Lows 54-73. Highs 79-94. $$ CAZ232-010715- Imperial County And Eastern Riverside County- 1204 PM PDT Wed Sep 30 2026 .TONIGHT... * Sky/weather.....................Clear. * Min Temperature.................67-75. * 24 hr trend..................Little change. * Max Humidity....................43-76 pct. * 24 hr trend..................6 pct wetter. * Winds - 20 foot...Slope/Valley..South 5 to 15 mph. * Winds...10000 FT MSL............North 15 to 25 mph. * Chance of Precip................0 percent. * CWR (>= 0.10 IN)................0 percent. * Chance of Thunder...............0 percent. .THURSDAY... * Sky/weather.....................Sunny. * Max Temperature.................90-98. * 24 hr trend..................Little change. * Min Humidity....................20-27 pct. * 24 hr trend..................3 pct wetter. * Winds - 20 foot...Slope/Valley..East 5 to 15 mph. * Winds...10000 FT MSL............Northeast 10 to 15 mph. * Chance of Precip................0 percent. * CWR (>= 0.10 IN)................0 percent. * Chance of Thunder...............0 percent. .THURSDAY NIGHT... * Sky/weather.....................Clear. * Min Temperature.................71-78. * 24 hr trend..................4 degrees warmer. * Max Humidity....................38-62 pct. * 24 hr trend..................11 pct drier. * Winds - 20 foot...Slope/Valley..Northeast 5 to 10 mph. * Winds...10000 FT MSL............Northeast 10 to 20 mph in the evening becoming east after midnight. * Chance of Precip................0 percent. * CWR (>= 0.10 IN)................0 percent. * Chance of Thunder...............0 percent. .FRIDAY... * Sky/weather.....................Sunny. * Max Temperature.................91-100. * 24 hr trend..................Little change. * Min Humidity....................20-30 pct. * 24 hr trend..................Little RH change. * Winds - 20 foot...Slope/Valley..Northeast 5 to 15 mph. * Winds...10000 FT MSL............East 10 to 20 mph. * Chance of Precip................0 percent. * CWR (>= 0.10 IN)................0 percent. * Chance of Thunder...............0 percent. .EXTENDED... .SATURDAY...Clear. Lows 74-81. Highs 91-101. Northeast winds 5 to 15 mph. .SUNDAY...Clear. Lows 74-81. Highs 91-100. Northeast winds 5 to 15 mph. .MONDAY...Clear. Lows 74-81. Highs 91-101. Northeast winds 5 to 10 mph. .TUESDAY...Clear. Lows 74-81. Highs 92-102. .WEDNESDAY...Clear. Lows 74-82. Highs 94-104. $$ CAZ230-010715- Joshua Tree National Park- 1204 PM PDT Wed Sep 30 2026 .TONIGHT... * Sky/weather.....................Clear. * Min Temperature.................62-70. * 24 hr trend..................Little change. * Max Humidity....................30-43 pct. * 24 hr trend..................13 pct drier. * Winds - 20 foot...Slope/Valley..West 5 to 15 mph. * Winds...10000 FT MSL............North 10 to 20 mph. * Chance of Precip................0 percent. * CWR (>= 0.10 IN)................0 percent. * Chance of Thunder...............0 percent. .THURSDAY... * Sky/weather.....................Sunny. * Max Temperature.................83-94. * 24 hr trend..................Little change. * Min Humidity....................15-21 pct. * 24 hr trend..................3 pct wetter. * Winds - 20 foot...Slope/Valley..Light and variable in the morning becoming east 5 to 10 mph in the afternoon. * Winds...10000 FT MSL............Northeast 5 to 15 mph in the morning becoming light and variable in the afternoon. * Chance of Precip................0 percent. * CWR (>= 0.10 IN)................0 percent. * Chance of Thunder...............0 percent. .THURSDAY NIGHT... * Sky/weather.....................Mostly clear. * Min Temperature.................64-73. * 24 hr trend..................3 degrees warmer. * Max Humidity....................37-45 pct. * 24 hr trend..................4 pct wetter. * Winds - 20 foot...Slope/Valley..Light and variable in the evening becoming mostly downslope/downvalley after midnight. * Winds...10000 FT MSL............Northeast 5 to 15 mph in the evening becoming east 10 to 20 mph after midnight. * Chance of Precip................0 percent. * CWR (>= 0.10 IN)................0 percent. * Chance of Thunder...............0 percent. .FRIDAY... * Sky/weather.....................Sunny. * Max Temperature.................82-94. * 24 hr trend..................Little change. * Min Humidity....................24-31 pct. * 24 hr trend..................10 pct wetter. * Winds - 20 foot...Slope/Valley..East 5 to 15 mph. * Winds...10000 FT MSL............Southeast 5 to 15 mph in the morning becoming light and variable in the afternoon. * Chance of Precip................0 percent. * CWR (>= 0.10 IN)................0 percent. * Chance of Thunder...............0 percent. .EXTENDED... .SATURDAY...Clear. Lows 64-75. Highs 81-94. East winds 5 to 15 mph. .SUNDAY...Clear. Lows 64-75. Highs 80-94. East winds 5 to 15 mph. .MONDAY...Clear. Lows 64-75. Highs 80-93. Northeast winds 5 to 10 mph. .TUESDAY...Clear. Lows 64-75. Highs 82-95. .WEDNESDAY...Clear. Lows 64-76. Highs 84-97. $$ .8 TO 10 DAY OUTLOOK...Thursday October 8th through Saturday October 10th: Above normal temperatures and near median precipitation.