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

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FNUS55 KPSR 162031
FWFPSR

Fire Weather Planning Forecast for Southwest and South-Central
Arizona and Southeast California
National Weather Service Phoenix AZ
131 PM MST Sat Aug 16 2025

.DISCUSSION...
Drier air will sweep through the region resulting in only slight
chances for storms in far eastern districts will minimal chances
for wetting rainfall. With temperatures hovering near normal,
afternoon humidity levels will fall into a 10-20% range following
fair to good overnight recovery of 30-60%. Afternoon wind gusts
20-25 mph will be common with a light overnight drainage
component.

...Thunderstorms imply gusty winds...

Note...Additional Fire Weather Forecast information can be found
in the Area Forecast Discussion. See product PHXAFDPSR.

AZZ132-170845-
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-
131 PM MST Sat Aug 16 2025

.TONIGHT...
* Sky/weather.....................Mostly clear.
* Min Temperature.................72-82.
*    24 hr trend..................Little change.
* Max Humidity....................35-54 pct.
*    24 hr trend..................20 pct drier.
* Winds - 20 foot...Slope/Valley..South 5 to 15 mph.
* Winds...10000 FT MSL............South 10 to 20 mph.
* Chance of Precip................0 percent.
* CWR (>= 0.10 IN)................0 percent.
* Chance of Thunder...............1 percent.

.SUNDAY...
* Sky/weather.....................Sunny.
* Max Temperature.................98-105.
*    24 hr trend..................Little change.
* Min Humidity....................12-19 pct.
*    24 hr trend..................Little RH change.
* Winds - 20 foot...Slope/Valley..Southeast 5 to 10 mph in the
  morning becoming southwest in the afternoon.
* Winds...10000 FT MSL............South 10 to 20 mph.
* Chance of Precip................0 percent.
* CWR (>= 0.10 IN)................0 percent.
* Chance of Thunder...............0 percent.
* Mixing Height for Phoenix.......9200 ft AGL.
* Transport Wind for Phoenix......West 5 knots.
* Dispersion for Phoenix..........Fair.

.SUNDAY NIGHT...
* Sky/weather.....................Mostly clear.
* Min Temperature.................74-84.
*    24 hr trend..................Little change.
* Max Humidity....................26-39 pct.
*    24 hr trend..................11 pct drier.
* Winds - 20 foot...Slope/Valley..Southwest 5 to 15 mph.
* Winds...10000 FT MSL............South 10 to 20 mph.
* Chance of Precip................0 percent.
* CWR (>= 0.10 IN)................0 percent.
* Chance of Thunder...............1 percent.

.MONDAY...
* Sky/weather.....................Mostly sunny.
* Max Temperature.................102-107.
*    24 hr trend..................Little change.
* Min Humidity....................12-17 pct.
*    24 hr trend..................Little RH change.
* Winds - 20 foot...Slope/Valley..South 5 to 10 mph in the morning
  becoming southwest in the afternoon.
* Winds...10000 FT MSL............Southeast 10 to 15 mph.
* Chance of Precip................0 percent.
* CWR (>= 0.10 IN)................0 percent.
* Chance of Thunder...............2 percent.
* Mixing Height for Phoenix.......5700 ft AGL.
* Transport Wind for Phoenix......West 8 knots.
* Dispersion for Phoenix..........Good.


.EXTENDED...
.TUESDAY...Mostly clear. Lows 78-88. Highs 104-109. Southwest
winds 5 to 10 mph.
.WEDNESDAY...Mostly clear with slight chance of showers and
thunderstorms. Lows 82-92. Highs 107-112. South winds 5 to
10 mph.
.THURSDAY...Mostly clear with slight chance of showers and
thunderstorms. Lows 84-94. Highs 107-113. South winds 5 to
10 mph.
.FRIDAY...Partly cloudy with chance of showers and slight chance
of thunderstorms. Lows 83-93. Highs 107-113.
.SATURDAY...Partly cloudy with slight chance of showers and
thunderstorms. Lows 82-92. Highs 104-110.

$$

AZZ131-CAZ231-170845-
Yuma/Martinez Lake and Vicinity/Lower Colorado River Valley AZ-
Lower Colorado River Valley CA-
131 PM MST Sat Aug 16 2025 /131 PM PDT Sat Aug 16 2025/

.TONIGHT...
* Sky/weather.....................Clear.
* Min Temperature.................72-77.
*    24 hr trend..................4 degrees cooler.
* Max Humidity....................43-62 pct.
*    24 hr trend..................11 pct drier.
* Winds - 20 foot...Slope/Valley..South 5 to 15 mph.
* Winds...10000 FT MSL............South 10 to 15 mph.
* Chance of Precip................0 percent.
* CWR (>= 0.10 IN)................0 percent.
* Chance of Thunder...............0 percent.

.SUNDAY...
* Sky/weather.....................Sunny.
* Max Temperature.................101-106.
*    24 hr trend..................Little change.
* Min Humidity....................13-17 pct.
*    24 hr trend..................3 pct drier.
* Winds - 20 foot...Slope/Valley..South 5 to 15 mph.
* Winds...10000 FT MSL............South 10 to 20 mph.
* Chance of Precip................0 percent.
* CWR (>= 0.10 IN)................0 percent.
* Chance of Thunder...............0 percent.
* Mixing Height for Yuma..........8200 ft AGL.
* Transport Wind for Yuma.........South 9 knots.
* Dispersion for Yuma.............Very good.

.SUNDAY NIGHT...
* Sky/weather.....................Clear.
* Min Temperature.................72-77.
*    24 hr trend..................Little change.
* Max Humidity....................35-53 pct.
*    24 hr trend..................9 pct drier.
* Winds - 20 foot...Slope/Valley..South 5 to 15 mph.
* Winds...10000 FT MSL............South 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.................103-108.
*    24 hr trend..................Little change.
* Min Humidity....................12-16 pct.
*    24 hr trend..................Little RH change.
* Winds - 20 foot...Slope/Valley..South 5 to 15 mph.
* Winds...10000 FT MSL............South 15 to 25 mph.
* Chance of Precip................0 percent.
* CWR (>= 0.10 IN)................0 percent.
* Chance of Thunder...............1 percent.
* Mixing Height for Yuma..........6700 ft AGL.
* Transport Wind for Yuma.........South 12 knots.
* Dispersion for Yuma.............Very good.


.EXTENDED...
.TUESDAY...Mostly clear. Lows 76-85. Highs 104-109. South winds
5 to 15 mph.
.WEDNESDAY...Mostly clear. Lows 80-88. Highs 108-113. South winds
5 to 10 mph.
.THURSDAY...Mostly clear with slight chance of showers and
thunderstorms. Lows 83-89. Highs 110-115. South winds 5 to
10 mph.
.FRIDAY...Partly cloudy with slight chance of showers and
thunderstorms. Lows 84-89. Highs 110-115.
.SATURDAY...Partly cloudy with slight chance of showers and
thunderstorms. Lows 82-88. Highs 107-112.

$$

AZZ133-170845-
Southern Gila County/Tonto National Forest Foothills-
Southern Tonto NF/West San Carlos BIA/South Portion Ft Apache BIA/
CAZ-
131 PM MST Sat Aug 16 2025

.TONIGHT...
* Sky/weather.....................Mostly clear. Slight chance of
  showers and thunderstorms in the evening.
* Min Temperature.................61-78.
*    24 hr trend..................Little change.
* Max Humidity....................39-67 pct.
*    24 hr trend..................14 pct drier.
* Winds - 20 foot...Slope/Valley..West 5 to 15 mph.
* Winds...10000 FT MSL............Southwest 5 to 15 mph in the
  evening becoming light and variable after midnight.
* Chance of Precip................10 percent in the evening
  becoming 0 percent after midnight.
* CWR (>= 0.10 IN)................5 percent.
* Chance of Thunder...............10 percent.

.SUNDAY...
* Sky/weather.....................Mostly sunny.
* Max Temperature.................87-101.
*    24 hr trend..................3 degrees warmer.
* Min Humidity....................15-23 pct.
*    24 hr trend..................7 pct drier.
* Winds - 20 foot...Slope/Valley..West 5 to 15 mph.
* Winds...10000 FT MSL............Southwest 5 to 15 mph.
* Chance of Precip................5 percent.
* CWR (>= 0.10 IN)................0 percent.
* Chance of Thunder...............5 percent.

.SUNDAY NIGHT...
* Sky/weather.....................Mostly clear.
* Min Temperature.................63-79.
*    24 hr trend..................Little change.
* Max Humidity....................29-46 pct.
*    24 hr trend..................14 pct drier.
* Winds - 20 foot...Slope/Valley..West 5 to 10 mph in the evening
  becoming north after midnight.
* Winds...10000 FT MSL............Southwest 5 to 15 mph.
* Chance of Precip................5 percent.
* CWR (>= 0.10 IN)................0 percent.
* Chance of Thunder...............5 percent.

.MONDAY...
* Sky/weather.....................Mostly sunny. Slight chance of
  showers and thunderstorms in the afternoon.
* Max Temperature.................90-104.
*    24 hr trend..................3 degrees warmer.
* Min Humidity....................13-20 pct.
*    24 hr trend..................3 pct drier.
* Winds - 20 foot...Slope/Valley..North 5 to 10 mph in the morning
  becoming west in the afternoon.
* Winds...10000 FT MSL............East 5 to 15 mph.
* Chance of Precip................10 percent.
* CWR (>= 0.10 IN)................0 percent.
* Chance of Thunder...............6 percent.


.EXTENDED...
.TUESDAY...Partly cloudy with chance of showers and
thunderstorms. Lows 65-84. Highs 91-106. Southeast winds 5 to
15 mph.
.WEDNESDAY...Partly cloudy with chance of showers and
thunderstorms. Lows 66-84. Highs 92-108. East winds 5 to 15 mph.
.THURSDAY...Partly cloudy with slight chance of showers and
thunderstorms. Lows 66-86. Highs 92-108. East winds 5 to 15 mph.
.FRIDAY...Partly cloudy with chance of showers and thunderstorms.
Lows 65-86. Highs 92-107.
.SATURDAY...Partly cloudy with slight chance of showers and
thunderstorms. Lows 65-84. Highs 91-105.

$$

CAZ232-170845-
Imperial County And Eastern Riverside County-
131 PM PDT Sat Aug 16 2025

.TONIGHT...
* Sky/weather.....................Clear.
* Min Temperature.................73-78.
*    24 hr trend..................Little change.
* Max Humidity....................34-64 pct.
*    24 hr trend..................15 pct drier.
* Winds - 20 foot...Slope/Valley..Southwest 5 to 15 mph.
* Winds...10000 FT MSL............Southwest 10 to 15 mph.
* Chance of Precip................0 percent.
* CWR (>= 0.10 IN)................0 percent.
* Chance of Thunder...............0 percent.

.SUNDAY...
* Sky/weather.....................Sunny.
* Max Temperature.................96-105.
*    24 hr trend..................Little change.
* Min Humidity....................11-17 pct.
*    24 hr trend..................Little change.
* Winds - 20 foot...Slope/Valley..Southeast 5 to 15 mph.
* Winds...10000 FT MSL............South 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.................74-79.
*    24 hr trend..................Little change.
* Max Humidity....................27-57 pct.
*    24 hr trend..................8 pct drier.
* Winds - 20 foot...Slope/Valley..Southwest 5 to 10 mph in the
  evening becoming west after midnight.
* Winds...10000 FT MSL............Light and variable in the evening
  becoming south 10 to 20 mph after midnight.
* Chance of Precip................0 percent.
* CWR (>= 0.10 IN)................0 percent.
* Chance of Thunder...............0 percent.

.MONDAY...
* Sky/weather.....................Sunny.
* Max Temperature.................98-107.
*    24 hr trend..................Little change.
* Min Humidity....................10-17 pct.
*    24 hr trend..................Little RH change.
* Winds - 20 foot...Slope/Valley..East 5 to 10 mph in the morning
  becoming south in the afternoon.
* Winds...10000 FT MSL............South 15 to 25 mph.
* Chance of Precip................0 percent.
* CWR (>= 0.10 IN)................0 percent.
* Chance of Thunder...............0 percent.


.EXTENDED...
.TUESDAY...Mostly clear. Lows 77-87. Highs 99-109. Southwest
winds 5 to 15 mph.
.WEDNESDAY...Mostly clear. Lows 81-91. Highs 103-112. Southwest
winds 5 to 15 mph.
.THURSDAY...Mostly clear with slight chance of showers and
thunderstorms. Lows 84-91. Highs 105-114. South winds 5 to
10 mph.
.FRIDAY...Mostly clear with slight chance of showers and
thunderstorms. Lows 84-91. Highs 105-115.
.SATURDAY...Partly cloudy with slight chance of showers and
thunderstorms. Lows 82-90. Highs 102-112.

$$

CAZ230-170845-
Joshua Tree National Park-
131 PM PDT Sat Aug 16 2025

.TONIGHT...
* Sky/weather.....................Clear.
* Min Temperature.................63-74.
*    24 hr trend..................Little change.
* Max Humidity....................31-39 pct.
*    24 hr trend..................11 pct drier.
* Winds - 20 foot...Slope/Valley..West 5 to 15 mph.
* Winds...10000 FT MSL............Light and variable in the evening
  becoming south 5 to 15 mph after midnight.
* Chance of Precip................0 percent.
* CWR (>= 0.10 IN)................0 percent.
* Chance of Thunder...............0 percent.

.SUNDAY...
* Sky/weather.....................Sunny.
* Max Temperature.................85-98.
*    24 hr trend..................Little change.
* Min Humidity....................12-17 pct.
*    24 hr trend..................Little RH change.
* Winds - 20 foot...Slope/Valley..South 5 to 15 mph.
* Winds...10000 FT MSL............South 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.................65-74.
*    24 hr trend..................Little change.
* Max Humidity....................28-35 pct.
*    24 hr trend..................3 pct drier.
* Winds - 20 foot...Slope/Valley..West 5 to 15 mph.
* Winds...10000 FT MSL............Light and variable in the evening
  becoming south 5 to 15 mph after midnight.
* Chance of Precip................0 percent.
* CWR (>= 0.10 IN)................0 percent.
* Chance of Thunder...............0 percent.

.MONDAY...
* Sky/weather.....................Sunny.
* Max Temperature.................87-102.
*    24 hr trend..................3 degrees warmer.
* Min Humidity....................12-16 pct.
*    24 hr trend..................Little change.
* Winds - 20 foot...Slope/Valley..North 5 to 10 mph in the morning
  becoming south in the afternoon.
* Winds...10000 FT MSL............South 15 to 25 mph.
* Chance of Precip................0 percent.
* CWR (>= 0.10 IN)................0 percent.
* Chance of Thunder...............1 percent.


.EXTENDED...
.TUESDAY...Mostly clear. Lows 68-82. Highs 90-104. Southwest
winds 5 to 15 mph.
.WEDNESDAY...Mostly clear. Lows 72-86. Highs 92-106. Southwest
winds 5 to 15 mph.
.THURSDAY...Mostly clear with slight chance of showers and
thunderstorms. Lows 76-87. Highs 95-109. Southwest winds 5 to
15 mph.
.FRIDAY...Partly cloudy with chance of showers and slight chance
of thunderstorms. Lows 76-87. Highs 95-109.
.SATURDAY...Partly cloudy with chance of showers and slight
chance of thunderstorms. Lows 73-86. Highs 92-106.

$$

.8 TO 10 DAY OUTLOOK...Monday August 24th through Tuesday August
26th: Above normal temperatures and above median precipitation.