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

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000
FNUS55 KPSR 180845
FWFPSR

Fire Weather Planning Forecast for Southwest and South-Central
Arizona and Southeast California
National Weather Service Phoenix AZ
145 AM MST Thu Apr 18 2024

.DISCUSSION...
Dry weather will continue through at least the next couple of
days. Above normal afternoon temperatures will continue today and
tomorrow as lower desert highs top out in the low to mid 90s.
Winds will remain light today with typical afternoon breezes into
the teens at times. Afternoon gusts increase for Friday to 15-25
mph for many areas, while areas across Imperial County
potentially see gusts in excess of 30 mph Friday evening. Min RHs
will continue to fall into the 5-15% range each day, while
overnight Max RHs tonight continue in the 20-40% range for most
places.

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

AZZ132-182045-
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-
145 AM MST Thu Apr 18 2024

.TODAY...
* Sky/weather.....................Partly sunny.
* Max Temperature.................88-95.
*    24 hr trend..................Little change.
* Min Humidity....................8-12 pct.
*    24 hr trend..................Little change.
* Winds - 20 foot...Slope/Valley..Southeast 5 to 10 mph in the
  morning becoming south 5 to 15 mph in the afternoon.
* Winds...10000 FT MSL............Southwest 10 to 20 mph.
* Chance of Precip................0 percent.
* CWR (>= 0.10 IN)................0 percent.
* LAL.............................1.
* Haines High Level Index.........5 moderate potential for large
  plume dominated fire growth.
* Mixing Height for Phoenix.......8500 ft AGL.
* Transport Wind for Phoenix......Southwest 7 knots.
* Dispersion for Phoenix..........Good.

.TONIGHT...
* Sky/weather.....................Mostly cloudy in the evening
  becoming mostly clear after midnight.
* Min Temperature.................59-69.
*    24 hr trend..................Little change.
* Max Humidity....................25-37 pct.
*    24 hr trend..................3 pct wetter.
* Winds - 20 foot...Slope/Valley..Southwest 5 to 10 mph in the
  evening becoming southeast after midnight.
* Winds...10000 FT MSL............Southwest 15 to 25 mph.
* Chance of Precip................0 percent.
* CWR (>= 0.10 IN)................0 percent.
* LAL.............................1.

.FRIDAY...
* Sky/weather.....................Sunny.
* Max Temperature.................88-94.
*    24 hr trend..................Little change.
* Min Humidity....................8-12 pct.
*    24 hr trend..................Little RH change.
* Winds - 20 foot...Slope/Valley..Southeast 5 to 10 mph in the
  morning becoming southwest 5 to 15 mph in the afternoon.
* Winds...10000 FT MSL............Southwest 10 to 20 mph.
* Chance of Precip................0 percent.
* CWR (>= 0.10 IN)................0 percent.
* LAL.............................1.
* Haines High Level Index.........5 moderate potential for large
  plume dominated fire growth.
* Mixing Height for Phoenix.......10700 ft AGL.
* Transport Wind for Phoenix......Southwest 11 knots.
* Dispersion for Phoenix..........Excellent.


.EXTENDED...
.SATURDAY...Clear. Lows 58-68. Highs 88-94. Southwest winds 5 to
15 mph. Minimum relative humidity may be lower than 15 percent.
.SUNDAY...Mostly clear. Lows 61-71. Highs 91-97. South winds 5 to
15 mph. Minimum relative humidity may be lower than 15 percent.
.MONDAY...Clear. Lows 60-70. Highs 91-97. South winds 10 to
20 mph. Minimum relative humidity may be lower than 15 percent.
.TUESDAY...Clear. Lows 56-66. Highs 86-94.
.WEDNESDAY...Clear. Lows 54-64. Highs 82-90.

$$

AZZ131-CAZ231-182045-
Yuma/Martinez Lake and Vicinity/Lower Colorado River Valley AZ-
Lower Colorado River Valley CA-
145 AM MST Thu Apr 18 2024 /145 AM PDT Thu Apr 18 2024/

.TODAY...
* Sky/weather.....................Partly sunny.
* Max Temperature.................90-95.
*    24 hr trend..................Little change.
* Min Humidity....................10-14 pct.
*    24 hr trend..................Little RH change.
* Winds - 20 foot...Slope/Valley..South 5 to 15 mph.
* Winds...10000 FT MSL............Southwest 10 to 20 mph.
* Chance of Precip................0 percent.
* CWR (>= 0.10 IN)................0 percent.
* LAL.............................1.
* Haines High Level Index.........5 moderate potential for large
  plume dominated fire growth.
* Mixing Height for Yuma..........5900 ft AGL.
* Transport Wind for Yuma.........South 12 knots.
* Dispersion for Yuma.............Very good.

.TONIGHT...
* Sky/weather.....................Mostly clear.
* Min Temperature.................57-62.
*    24 hr trend..................Little change.
* Max Humidity....................36-46 pct.
*    24 hr trend..................9 pct wetter.
* Winds - 20 foot...Slope/Valley..South 5 to 15 mph.
* Winds...10000 FT MSL............Southwest 15 to 25 mph.
* Chance of Precip................0 percent.
* CWR (>= 0.10 IN)................0 percent.
* LAL.............................1.

.FRIDAY...
* Sky/weather.....................Sunny.
* Max Temperature.................91-96.
*    24 hr trend..................Little change.
* Min Humidity....................9-13 pct.
*    24 hr trend..................Little RH change.
* Winds - 20 foot...Slope/Valley..Southwest 5 to 15 mph.
* Winds...10000 FT MSL............Southwest 10 to 20 mph.
* Chance of Precip................0 percent.
* CWR (>= 0.10 IN)................0 percent.
* LAL.............................1.
* Haines High Level Index.........5 moderate potential for large
  plume dominated fire growth.
* Mixing Height for Yuma..........9600 ft AGL.
* Transport Wind for Yuma.........West 11 knots.
* Dispersion for Yuma.............Excellent.


.EXTENDED...
.SATURDAY...Clear. Lows 59-65. Highs 91-96. Southwest winds 5 to
15 mph. Minimum relative humidity may be lower than 15 percent.
.SUNDAY...Mostly clear. Lows 61-66. Highs 94-99. South winds 5 to
15 mph. Minimum relative humidity may be lower than 15 percent.
.MONDAY...Mostly clear. Lows 60-65. Highs 94-99. South winds
10 to 20 mph. Minimum relative humidity may be lower than
15 percent.
.TUESDAY...Clear. Lows 56-64. Highs 88-94.
.WEDNESDAY...Mostly clear. Lows 53-58. Highs 83-88.

$$

AZZ133-182045-
Southern Gila County/Tonto National Forest Foothills-
Southern Tonto NF/West San Carlos BIA/South Portion Ft Apache BIA/
CAZ-
145 AM MST Thu Apr 18 2024

.TODAY...
* Sky/weather.....................Partly sunny.
* Max Temperature.................75-89.
*    24 hr trend..................Little change.
* Min Humidity....................9-13 pct.
*    24 hr trend..................3 pct drier.
* Winds - 20 foot...Slope/Valley..Southeast 5 to 10 mph in the
  morning becoming southwest 5 to 15 mph in the afternoon.
* Winds...10000 FT MSL............Southwest 10 to 20 mph.
* Chance of Precip................0 percent.
* CWR (>= 0.10 IN)................0 percent.
* LAL.............................1.
* Haines High Level Index.........5 moderate potential for large
  plume dominated fire growth.

.TONIGHT...
* Sky/weather.....................Mostly cloudy in the evening
  becoming partly cloudy after midnight.
* Min Temperature.................50-62.
*    24 hr trend..................3 degrees warmer.
* Max Humidity....................25-32 pct.
*    24 hr trend..................5 pct drier.
* Winds - 20 foot...Slope/Valley..West 5 to 10 mph in the evening
  becoming east after midnight.
* Winds...10000 FT MSL............Southwest 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.
* LAL.............................1.

.FRIDAY...
* Sky/weather.....................Mostly sunny.
* Max Temperature.................76-91.
*    24 hr trend..................Little change.
* Min Humidity....................9-13 pct.
*    24 hr trend..................Little change.
* Winds - 20 foot...Slope/Valley..Southeast 5 to 10 mph in the
  morning becoming southwest 5 to 15 mph in the afternoon.
* Winds...10000 FT MSL............Southwest 15 to 25 mph.
* Chance of Precip................0 percent.
* CWR (>= 0.10 IN)................0 percent.
* LAL.............................1.
* Haines High Level Index.........5 moderate potential for large
  plume dominated fire growth.


.EXTENDED...
.SATURDAY...Clear. Lows 47-63. Highs 75-89. Southwest winds 10 to
20 mph. Minimum relative humidity may be lower than 15 percent.
.SUNDAY...Mostly clear. Lows 48-64. Highs 78-93. Northeast winds
5 to 15 mph. Minimum relative humidity may be lower than
15 percent.
.MONDAY...Clear. Lows 49-64. Highs 79-93. Southwest winds 10 to
20 mph. Minimum relative humidity may be lower than 15 percent.
.TUESDAY...Clear. Lows 47-63. Highs 76-91.
.WEDNESDAY...Clear. Lows 46-60. Highs 73-87.

$$

CAZ232-182045-
Imperial County And Eastern Riverside County-
145 AM PDT Thu Apr 18 2024

.TODAY...
* Sky/weather.....................Partly sunny.
* Max Temperature.................86-95.
*    24 hr trend..................Little change.
* Min Humidity....................8-12 pct.
*    24 hr trend..................Little change.
* Winds - 20 foot...Slope/Valley..South 5 to 15 mph.
* Winds...10000 FT MSL............Southwest 15 to 25 mph.
* Chance of Precip................0 percent.
* CWR (>= 0.10 IN)................0 percent.
* LAL.............................1.
* Haines High Level Index.........5 moderate potential for large
  plume dominated fire growth.

.TONIGHT...
* Sky/weather.....................Mostly clear.
* Min Temperature.................59-65.
*    24 hr trend..................Little change.
* Max Humidity....................29-46 pct.
*    24 hr trend..................5 pct wetter.
* 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.
* LAL.............................1.

.FRIDAY...
* Sky/weather.....................Sunny.
* Max Temperature.................86-94.
*    24 hr trend..................Little change.
* Min Humidity....................10-17 pct.
*    24 hr trend..................3 pct wetter.
* Winds - 20 foot...Slope/Valley..West 5 to 15 mph.
* Winds...10000 FT MSL............West 10 to 15 mph.
* Chance of Precip................0 percent.
* CWR (>= 0.10 IN)................0 percent.
* LAL.............................1.
* Haines High Level Index.........5 moderate potential for large
  plume dominated fire growth.


.EXTENDED...
.SATURDAY...Clear. Lows 60-68. Highs 86-96. Southwest winds 10 to
20 mph.
.SUNDAY...Clear. Lows 62-68. Highs 89-98. South winds 5 to
15 mph. Minimum relative humidity may be lower than 15 percent.
.MONDAY...Mostly clear. Lows 59-68. Highs 89-98. South winds
10 to 20 mph. Minimum relative humidity may be lower than
15 percent.
.TUESDAY...Clear. Lows 53-64. Highs 82-91.
.WEDNESDAY...Mostly clear. Lows 52-58. Highs 76-86.

$$

CAZ230-182045-
Joshua Tree National Park-
145 AM PDT Thu Apr 18 2024

.TODAY...
* Sky/weather.....................Partly sunny.
* Max Temperature.................76-90.
*    24 hr trend..................Little change.
* Min Humidity....................9-16 pct.
*    24 hr trend..................Little change.
* Winds - 20 foot...Slope/Valley..Southwest 5 to 15 mph.
* Winds...10000 FT MSL............Southwest 10 to 20 mph.
* Chance of Precip................0 percent.
* CWR (>= 0.10 IN)................0 percent.
* LAL.............................1.
* Haines High Level Index.........5 moderate potential for large
  plume dominated fire growth.

.TONIGHT...
* Sky/weather.....................Mostly clear.
* Min Temperature.................52-62.
*    24 hr trend..................Little change.
* Max Humidity....................27-37 pct.
*    24 hr trend..................Little RH change.
* Winds - 20 foot...Slope/Valley..West 5 to 15 mph.
* Winds...10000 FT MSL............Light and variable in the evening
  becoming southwest 5 to 15 mph after midnight.
* Chance of Precip................0 percent.
* CWR (>= 0.10 IN)................0 percent.
* LAL.............................1.

.FRIDAY...
* Sky/weather.....................Sunny.
* Max Temperature.................74-90.
*    24 hr trend..................Little change.
* Min Humidity....................12-22 pct.
*    24 hr trend..................4 pct wetter.
* Winds - 20 foot...Slope/Valley..West 5 to 15 mph.
* Winds...10000 FT MSL............Southwest 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.
* LAL.............................1.
* Haines High Level Index.........5 moderate potential for large
  plume dominated fire growth.


.EXTENDED...
.SATURDAY...Clear. Lows 51-65. Highs 77-91. West winds 5 to
15 mph.
.SUNDAY...Clear. Lows 55-65. Highs 79-93. Southwest winds 10 to
20 mph. Minimum relative humidity may be lower than 15 percent.
.MONDAY...Mostly clear. Lows 49-65. Highs 78-93. Southwest winds
10 to 20 mph. Minimum relative humidity may be lower than
15 percent.
.TUESDAY...Clear. Lows 44-61. Highs 71-87.
.WEDNESDAY...Mostly clear. Lows 42-56. Highs 65-82.

$$

.8 TO 10 DAY OUTLOOK...Thursday April 25th through Saturday April 27th:
Near normal temperatures and near to slightly above median precipitation.


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