Routine Fire Wx Fcst (With/Without 6-10 Day Outlook)
Issued by NWS Phoenix, AZ

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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.