


Routine Fire Wx Fcst (With/Without 6-10 Day Outlook)
Issued by NWS Phoenix, AZ
Issued by NWS Phoenix, AZ
692 FNUS55 KPSR 181941 FWFPSR Fire Weather Planning Forecast for Southwest and South-Central Arizona and Southeast California National Weather Service Phoenix AZ 1241 PM MST Fri Apr 18 2025 .DISCUSSION... A weather system moving through the region will bring breezy to locally windy conditions as well as scattered showers and a few thunderstorms to south-central AZ this evening through the overnight period. MinRH values today will remain elevated in the 25-35% range before falling throughout the weekend as drier air moves in with values near 10% by Sunday. Lighter winds are anticipated starting on Saturday while temperatures gradually rise back to around normal on Sunday. ...Thunderstorms imply gusty winds... Note...Additional Fire Weather Forecast information can be found in the Area Forecast Discussion. See product PHXAFDPSR. AZZ132-190745- 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- 1241 PM MST Fri Apr 18 2025 .TONIGHT... * Sky/weather.....................Partly cloudy. Slight chance of showers in the evening. * Min Temperature.................47-57. * 24 hr trend..................Little change. * Max Humidity....................38-70 pct. * 24 hr trend..................5 pct drier. * Winds - 20 foot...Slope/Valley..West 5 to 15 mph. * Winds...10000 FT MSL............Northwest 25 to 35 mph. * Chance of Precip................10 percent in the evening becoming 0 percent after midnight. * CWR (>= 0.10 IN)................0 percent west portion...20 percent east portion. .SATURDAY... * Sky/weather.....................Sunny. * Max Temperature.................72-80. * 24 hr trend..................Little change. * Min Humidity....................8-16 pct. * 24 hr trend..................16 pct drier. * Winds - 20 foot...Slope/Valley..Northwest 5 to 15 mph. * Winds...10000 FT MSL............North 20 to 30 mph in the morning becoming northwest 10 to 20 mph in the afternoon. * Chance of Precip................0 percent. * CWR (>= 0.10 IN)................0 percent. * Mixing Height for Phoenix.......9400 ft AGL. * Transport Wind for Phoenix......West 7 knots. * Dispersion for Phoenix..........Good. .SATURDAY NIGHT... * Sky/weather.....................Clear. * Min Temperature.................49-59. * 24 hr trend..................Little change. * Max Humidity....................15-39 pct. * 24 hr trend..................29 pct drier. * Winds - 20 foot...Slope/Valley..West 5 to 10 mph in the evening becoming east after midnight. * Winds...10000 FT MSL............North 10 to 20 mph. * Chance of Precip................0 percent. * CWR (>= 0.10 IN)................0 percent. .SUNDAY... * Sky/weather.....................Sunny. * Max Temperature.................80-86. * 24 hr trend..................7 degrees warmer. * Min Humidity....................6-10 pct. * 24 hr trend..................3 pct drier. * Winds - 20 foot...Slope/Valley..East 5 to 10 mph in the morning becoming west in the afternoon. * Winds...10000 FT MSL............North 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. * Mixing Height for Phoenix.......6500 ft AGL. * Transport Wind for Phoenix......West 3 knots. * Dispersion for Phoenix..........Marginal. .EXTENDED... .MONDAY...Partly cloudy. Lows 54-64. Highs 85-91. South winds 5 to 10 mph. Minimum relative humidity may be lower than 15 percent. .TUESDAY...Mostly clear. Lows 55-65. Highs 85-92. South winds 5 to 15 mph. Minimum relative humidity may be lower than 15 percent. .WEDNESDAY...Clear. Lows 55-65. Highs 84-91. South winds 5 to 15 mph. Minimum relative humidity may be lower than 15 percent. .THURSDAY...Mostly clear. Lows 55-65. Highs 83-90. .FRIDAY...Mostly clear. Lows 54-64. Highs 82-89. $$ AZZ131-CAZ231-190745- Yuma/Martinez Lake and Vicinity/Lower Colorado River Valley AZ- Lower Colorado River Valley CA- 1241 PM MST Fri Apr 18 2025 /1241 PM PDT Fri Apr 18 2025/ .TONIGHT... * Sky/weather.....................Partly cloudy in the evening becoming clear after midnight. * Min Temperature.................50-55. * 24 hr trend..................Little change. * Max Humidity....................33-57 pct. * 24 hr trend..................22 pct drier. * Winds - 20 foot...Slope/Valley..Northwest 5 to 15 mph. * Winds...10000 FT MSL............Northwest 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. .SATURDAY... * Sky/weather.....................Sunny. * Max Temperature.................78-83. * 24 hr trend..................Little change. * Min Humidity....................6-10 pct. * 24 hr trend..................17 pct drier. * Winds - 20 foot...Slope/Valley..North 5 to 15 mph. * Winds...10000 FT MSL............North 25 to 35 mph in the morning becoming 15 to 25 mph in the afternoon. * Chance of Precip................0 percent. * CWR (>= 0.10 IN)................0 percent. * Mixing Height for Yuma..........9000 ft AGL. * Transport Wind for Yuma.........Northwest 11 knots. * Dispersion for Yuma.............Excellent. .SATURDAY NIGHT... * Sky/weather.....................Clear. * Min Temperature.................48-56. * 24 hr trend..................Little change. * Max Humidity....................17-29 pct. * 24 hr trend..................19 pct drier. * Winds - 20 foot...Slope/Valley..Northwest 5 to 10 mph in the evening becoming northeast after midnight. * Winds...10000 FT MSL............North 15 to 25 mph in the evening becoming 5 to 15 mph after midnight. * Chance of Precip................0 percent. * CWR (>= 0.10 IN)................0 percent. .SUNDAY... * Sky/weather.....................Sunny. * Max Temperature.................84-89. * 24 hr trend..................6 degrees warmer. * Min Humidity....................5-9 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............Light and variable. * Chance of Precip................0 percent. * CWR (>= 0.10 IN)................0 percent. * Mixing Height for Yuma..........7300 ft AGL. * Transport Wind for Yuma.........South 5 knots. * Dispersion for Yuma.............Fair. .EXTENDED... .MONDAY...Mostly clear. Lows 53-60. Highs 88-93. South winds 5 to 10 mph. Minimum relative humidity may be lower than 15 percent. .TUESDAY...Clear. Lows 55-61. Highs 88-93. South winds 5 to 15 mph. Minimum relative humidity may be lower than 15 percent. .WEDNESDAY...Clear. Lows 55-61. Highs 87-92. South winds 5 to 15 mph. Minimum relative humidity may be lower than 15 percent. .THURSDAY...Mostly clear. Lows 54-59. Highs 85-90. .FRIDAY...Mostly clear. Lows 53-59. Highs 84-89. $$ AZZ133-190745- Southern Gila County/Tonto National Forest Foothills- Southern Tonto NF/West San Carlos BIA/South Portion Ft Apache BIA/ CAZ- 1241 PM MST Fri Apr 18 2025 .TONIGHT... * Sky/weather.....................Partly cloudy. Slight chance of thunderstorms in the evening. chance of showers . * Min Temperature.................36-49. * 24 hr trend..................4 degrees cooler. * Max Humidity....................73-91 pct. * 24 hr trend..................12 pct wetter. * Winds - 20 foot...Slope/Valley..West 5 to 15 mph. * Winds...10000 FT MSL............West 25 to 35 mph. * Chance of Precip................60 percent. * CWR (>= 0.10 IN)................60 percent. .SATURDAY... * Sky/weather.....................Mostly sunny. Slight chance of showers in the morning. * Max Temperature.................55-72. * 24 hr trend..................Little change. * Min Humidity....................16-26 pct. * 24 hr trend..................9 pct drier. * Winds - 20 foot...Slope/Valley..West 5 to 15 mph. * Winds...10000 FT MSL............Northwest 15 to 25 mph. * Chance of Precip................20 percent in the morning becoming 0 percent in the afternoon. * CWR (>= 0.10 IN)................0 percent. .SATURDAY NIGHT... * Sky/weather.....................Clear. * Min Temperature.................34-50. * 24 hr trend..................Little change. * Max Humidity....................37-53 pct. * 24 hr trend..................37 pct drier. * Winds - 20 foot...Slope/Valley..Northwest 5 to 10 mph in the evening becoming northeast after midnight. * Winds...10000 FT MSL............Northwest 10 to 20 mph. * Chance of Precip................0 percent. * CWR (>= 0.10 IN)................0 percent. .SUNDAY... * Sky/weather.....................Sunny. * Max Temperature.................66-80. * 24 hr trend..................10 degrees warmer. * Min Humidity....................10-15 pct. * 24 hr trend..................8 pct drier. * Winds - 20 foot...Slope/Valley..East 5 to 10 mph in the morning becoming west in the afternoon. * Winds...10000 FT MSL............North 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. .EXTENDED... .MONDAY...Warmer. Partly cloudy. Lows 42-58. Highs 72-86. Northeast winds 5 to 15 mph. Minimum relative humidity may be lower than 15 percent. .TUESDAY...Mostly clear. Lows 45-59. Highs 74-87. Northwest winds 5 to 15 mph. Minimum relative humidity may be lower than 15 percent. .WEDNESDAY...Clear. Lows 45-59. Highs 74-87. Southwest winds 10 to 20 mph. Minimum relative humidity may be lower than 15 percent. .THURSDAY...Mostly clear. Lows 45-59. Highs 72-86. .FRIDAY...Mostly clear. Lows 45-59. Highs 72-87. $$ CAZ232-190745- Imperial County And Eastern Riverside County- 1241 PM PDT Fri Apr 18 2025 .TONIGHT... * Sky/weather.....................Partly cloudy in the evening becoming clear after midnight. * Min Temperature.................51-57. * 24 hr trend..................Little change. * Max Humidity....................24-59 pct. * 24 hr trend..................16 pct drier. * Winds - 20 foot...Slope/Valley..Northwest 10 to 20 mph. * Winds...10000 FT MSL............North 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. .SATURDAY... * Sky/weather.....................Sunny. * Max Temperature.................74-83. * 24 hr trend..................3 degrees warmer. * Min Humidity....................6-11 pct. * 24 hr trend..................20 pct drier. * Winds - 20 foot...Slope/Valley..North 5 to 15 mph. * Winds...10000 FT MSL............North 25 to 35 mph in the morning becoming 15 to 25 mph in the afternoon. * Chance of Precip................0 percent. * CWR (>= 0.10 IN)................0 percent. .SATURDAY NIGHT... * Sky/weather.....................Clear. * Min Temperature.................52-60. * 24 hr trend..................Little change. * Max Humidity....................15-42 pct. * 24 hr trend..................16 pct drier. * Winds - 20 foot...Slope/Valley..Northwest 5 to 15 mph. * Winds...10000 FT MSL............Northwest 15 to 25 mph in the evening becoming 5 to 15 mph after midnight. * Chance of Precip................0 percent. * CWR (>= 0.10 IN)................0 percent. .SUNDAY... * Sky/weather.....................Sunny. * Max Temperature.................80-89. * 24 hr trend..................6 degrees warmer. * Min Humidity....................6-11 pct. * 24 hr trend..................Little change. * Winds - 20 foot...Slope/Valley..Northeast 5 to 10 mph in the morning becoming south in the afternoon. * Winds...10000 FT MSL............Light and variable. * Chance of Precip................0 percent. * CWR (>= 0.10 IN)................0 percent. .EXTENDED... .MONDAY...Mostly clear. Lows 56-64. Highs 83-93. Southwest winds 5 to 15 mph. Minimum relative humidity may be lower than 15 percent. .TUESDAY...Clear. Lows 57-64. Highs 84-94. Southwest winds 5 to 15 mph. Minimum relative humidity may be lower than 15 percent. .WEDNESDAY...Clear. Lows 55-63. Highs 82-92. Southwest winds 10 to 20 mph. Minimum relative humidity may be lower than 15 percent. .THURSDAY...Mostly clear. Lows 54-62. Highs 80-89. .FRIDAY...Mostly clear. Lows 53-60. Highs 79-88. $$ CAZ230-190745- Joshua Tree National Park- 1241 PM PDT Fri Apr 18 2025 .TONIGHT... * Sky/weather.....................Mostly clear. * Min Temperature.................40-51. * 24 hr trend..................Little change. * Max Humidity....................27-54 pct. * 24 hr trend..................26 pct drier. * Winds - 20 foot...Slope/Valley..Northwest 5 to 15 mph. * Winds...10000 FT MSL............North 20 to 30 mph in the evening becoming 30 to 40 mph after midnight. * Chance of Precip................0 percent. * CWR (>= 0.10 IN)................0 percent. .SATURDAY... * Sky/weather.....................Sunny. * Max Temperature.................65-76. * 24 hr trend..................4 degrees warmer. * Min Humidity....................6-10 pct. * 24 hr trend..................23 pct drier. * Winds - 20 foot...Slope/Valley..North 5 to 15 mph. * Winds...10000 FT MSL............North 25 to 35 mph in the morning becoming northwest 15 to 25 mph in the afternoon. * Chance of Precip................0 percent. * CWR (>= 0.10 IN)................0 percent. .SATURDAY NIGHT... * Sky/weather.....................Clear. * Min Temperature.................46-55. * 24 hr trend..................5 degrees warmer. * Max Humidity....................19-28 pct. * 24 hr trend..................15 pct drier. * Winds - 20 foot...Slope/Valley..West 5 to 15 mph. * Winds...10000 FT MSL............Northwest 10 to 20 mph in the evening becoming light and variable after midnight. * Chance of Precip................0 percent. * CWR (>= 0.10 IN)................0 percent. .SUNDAY... * Sky/weather.....................Sunny. * Max Temperature.................70-83. * 24 hr trend..................6 degrees warmer. * Min Humidity....................8-12 pct. * 24 hr trend..................Little RH change. * Winds - 20 foot...Slope/Valley..Northwest 5 to 10 mph in the morning becoming south 5 to 15 mph in the afternoon. * Winds...10000 FT MSL............Light and variable. * Chance of Precip................0 percent. * CWR (>= 0.10 IN)................0 percent. .EXTENDED... .MONDAY...Mostly clear. Lows 51-61. Highs 73-86. West winds 5 to 15 mph. Minimum relative humidity may be lower than 15 percent. .TUESDAY...Mostly clear. Lows 50-61. Highs 74-88. Southwest winds 10 to 20 mph. Minimum relative humidity may be lower than 15 percent. .WEDNESDAY...Mostly clear. Lows 47-60. Highs 72-86. Southwest winds 10 to 20 mph. Minimum relative humidity may be lower than 15 percent. .THURSDAY...Mostly clear. Lows 44-58. Highs 69-84. .FRIDAY...Mostly clear. Lows 44-57. Highs 68-82. $$ .8 TO 10 DAY OUTLOOK...Saturday April 26th through Monday April 28th: Near to above normal temperatures and near median precipitation.