864
FNUS55 KPSR 102052
FWFPSR
FIRE WEATHER PLANNING FORECAST FOR SOUTHWEST AND SOUTH-CENTRAL
ARIZONA AND SOUTHEAST CALIFORNIA
NATIONAL WEATHER SERVICE PHOENIX AZ
152 PM MST SAT JAN 10 2026
DISCUSSION
UNUSUALLY STRONG EASTERLY WINDS WILL PRIMARILY EFFECT THE EASTERN
DISTRICTS TONIGHT INTO SUNDAY. GUSTS OVER THE HIGH TERRAIN AND
PROMINENT RIDGETOPS WILL LIKELY (>90% CHANCE) PEAK UPWARDS OF 40
TO 50 MPH. ELSEWHERE, DAYTIME GUSTS TO BETWEEN 20-35 MPH WILL BE
COMMON SUNDAY. ANTICIPATE WINDS TO MAINTAIN A NORTHEASTERLY TO
EASTERLY PREVAILING DIRECTION FOR MUCH OF THE AREA INTO EARLY NEXT
WEEK. MINRHS WILL RANGE FROM 15-25% FOR MUCH OF THE AREA THROUGH
MONDAY, WITH LOCALLY HIGHER VALUES OF 25-35% OVER THE HIGH TERRAIN
EAST OF PHOENIX. OVERNIGHT RECOVERIES WILL GENERALLY REACH
BETWEEN 40-60% AREAWIDE, WITH LOCALLY HIGHER VALUES IN AREAS LIKE
THE LOWER CO RIVER VALLEY AND FAR EASTERN GILA COUNTY.
NOTE...ADDITIONAL FIRE WEATHER FORECAST INFORMATION CAN BE FOUND
IN THE AREA FORECAST DISCUSSION. SEE PRODUCT PHXAFDPSR.
AZZ132-110900-
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-
152 PM MST SAT JAN 10 2026
TONIGHT
* SKY/WEATHER.....................CLEAR.
* MIN TEMPERATURE.................36-46.
* 24 HR TREND..................6 DEGREES WARMER.
* MAX HUMIDITY....................33-55 PCT.
* 24 HR TREND..................5 PCT DRIER.
* WINDS - 20 FOOT...SLOPE/VALLEY..NORTHEAST 5 TO 15 MPH.
* WINDS...10000 FT MSL............EAST 20 TO 30 MPH.
* CHANCE OF PRECIP................0 PERCENT.
* CWR (>= 0.10 IN)................0 PERCENT.
* CHANCE OF THUNDER...............0 PERCENT.
SUNDAY
* SKY/WEATHER.....................SUNNY.
* MAX TEMPERATURE.................64-70.
* 24 HR TREND..................6 DEGREES WARMER.
* MIN HUMIDITY....................14-20 PCT.
* 24 HR TREND..................LITTLE RH CHANGE.
* WINDS - 20 FOOT...SLOPE/VALLEY..NORTHEAST 10 TO 20 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.......1200 FT AGL.
* TRANSPORT WIND FOR PHOENIX......EAST 12 KNOTS.
* DISPERSION FOR PHOENIX..........MARGINAL.
SUNDAY NIGHT
* SKY/WEATHER.....................CLEAR.
* MIN TEMPERATURE.................38-48.
* 24 HR TREND..................LITTLE CHANGE.
* MAX HUMIDITY....................35-56 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.
MONDAY
* SKY/WEATHER.....................MOSTLY SUNNY.
* MAX TEMPERATURE.................65-71.
* 24 HR TREND..................LITTLE CHANGE.
* MIN HUMIDITY....................17-25 PCT.
* 24 HR TREND..................4 PCT WETTER.
* WINDS - 20 FOOT...SLOPE/VALLEY..NORTHEAST 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.
* MIXING HEIGHT FOR PHOENIX.......1100 FT AGL.
* TRANSPORT WIND FOR PHOENIX......NORTH 4 KNOTS.
* DISPERSION FOR PHOENIX..........POOR.
EXTENDED
TUESDAY
CLEAR. LOWS 39-49. HIGHS 68-73. NORTHEAST WINDS 5 TO
15 MPH.
WEDNESDAY
CLEAR. LOWS 40-52. HIGHS 71-76. NORTHEAST WINDS 5 TO
15 MPH.
THURSDAY
CLEAR. LOWS 44-54. HIGHS 73-79. NORTHEAST WINDS 5 TO
15 MPH.
FRIDAY
MOSTLY CLEAR. LOWS 44-54. HIGHS 73-78.
SATURDAY
MOSTLY CLEAR. LOWS 43-53. HIGHS 69-75.
AZZ131-CAZ231-110900-
YUMA/MARTINEZ LAKE AND VICINITY/LOWER COLORADO RIVER VALLEY AZ-
LOWER COLORADO RIVER VALLEY CA-
152 PM MST SAT JAN 10 2026 /1252 PM PST SAT JAN 10 2026/
TONIGHT
* SKY/WEATHER.....................CLEAR.
* MIN TEMPERATURE.................34-44.
* 24 HR TREND..................LITTLE CHANGE.
* MAX HUMIDITY....................41-71 PCT.
* 24 HR TREND..................LITTLE RH CHANGE.
* WINDS - 20 FOOT...SLOPE/VALLEY..NORTH 5 TO 15 MPH.
* WINDS...10000 FT MSL............EAST 20 TO 30 MPH.
* CHANCE OF PRECIP................0 PERCENT.
* CWR (>= 0.10 IN)................0 PERCENT.
* CHANCE OF THUNDER...............0 PERCENT.
SUNDAY
* SKY/WEATHER.....................SUNNY.
* MAX TEMPERATURE.................65-70.
* 24 HR TREND..................5 DEGREES WARMER.
* MIN HUMIDITY....................15-20 PCT.
* 24 HR TREND..................LITTLE RH CHANGE.
* WINDS - 20 FOOT...SLOPE/VALLEY..NORTH 10 TO 20 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.
* MIXING HEIGHT FOR YUMA..........1700 FT AGL.
* TRANSPORT WIND FOR YUMA.........NORTH 13 KNOTS.
* DISPERSION FOR YUMA.............MARGINAL.
SUNDAY NIGHT
* SKY/WEATHER.....................CLEAR.
* MIN TEMPERATURE.................34-45.
* 24 HR TREND..................LITTLE CHANGE.
* MAX HUMIDITY....................45-77 PCT.
* 24 HR TREND..................5 PCT WETTER.
* WINDS - 20 FOOT...SLOPE/VALLEY..NORTH 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.
MONDAY
* SKY/WEATHER.....................MOSTLY SUNNY.
* MAX TEMPERATURE.................66-71.
* 24 HR TREND..................LITTLE CHANGE.
* MIN HUMIDITY....................19-25 PCT.
* 24 HR TREND..................4 PCT WETTER.
* WINDS - 20 FOOT...SLOPE/VALLEY..NORTH 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 YUMA..........1500 FT AGL.
* TRANSPORT WIND FOR YUMA.........NORTH 13 KNOTS.
* DISPERSION FOR YUMA.............MARGINAL.
EXTENDED
TUESDAY
CLEAR. LOWS 36-49. HIGHS 69-74. NORTH WINDS 5 TO
15 MPH.
WEDNESDAY
CLEAR. LOWS 41-52. HIGHS 73-78. NORTH WINDS 5 TO
15 MPH.
THURSDAY
CLEAR. LOWS 43-52. HIGHS 74-79. NORTH WINDS 5 TO
15 MPH.
FRIDAY
MOSTLY CLEAR. LOWS 44-52. HIGHS 73-78.
SATURDAY
MOSTLY CLEAR. LOWS 43-52. HIGHS 71-76.
AZZ133-110900-
SOUTHERN GILA COUNTY/TONTO NATIONAL FOREST FOOTHILLS-
SOUTHERN TONTO NF/WEST SAN CARLOS BIA/SOUTH PORTION FT APACHE BIA/
CAZ-
152 PM MST SAT JAN 10 2026
TONIGHT
* SKY/WEATHER.....................CLEAR.
* MIN TEMPERATURE.................23-40.
* 24 HR TREND..................4 DEGREES WARMER.
* MAX HUMIDITY....................41-67 PCT.
* 24 HR TREND..................4 PCT DRIER.
* WINDS - 20 FOOT...SLOPE/VALLEY..NORTHEAST 10 TO 20 MPH.
* WINDS...10000 FT MSL............EAST 25 TO 35 MPH.
* CHANCE OF PRECIP................0 PERCENT.
* CWR (>= 0.10 IN)................0 PERCENT.
* CHANCE OF THUNDER...............0 PERCENT.
SUNDAY
* SKY/WEATHER.....................SUNNY.
* MAX TEMPERATURE.................50-64.
* 24 HR TREND..................5 DEGREES WARMER.
* MIN HUMIDITY....................20-27 PCT.
* 24 HR TREND..................6 PCT DRIER.
* WINDS - 20 FOOT...SLOPE/VALLEY..EAST 15 TO 25 MPH.
* WINDS...10000 FT MSL............SOUTHEAST 20 TO 30 MPH.
* CHANCE OF PRECIP................0 PERCENT.
* CWR (>= 0.10 IN)................0 PERCENT.
* CHANCE OF THUNDER...............0 PERCENT.
SUNDAY NIGHT
* SKY/WEATHER.....................CLEAR.
* MIN TEMPERATURE.................26-44.
* 24 HR TREND..................3 DEGREES WARMER.
* MAX HUMIDITY....................37-63 PCT.
* 24 HR TREND..................5 PCT DRIER.
* WINDS - 20 FOOT...SLOPE/VALLEY..EAST 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.
MONDAY
* SKY/WEATHER.....................SUNNY.
* MAX TEMPERATURE.................52-66.
* 24 HR TREND..................LITTLE CHANGE.
* MIN HUMIDITY....................23-32 PCT.
* 24 HR TREND..................5 PCT WETTER.
* WINDS - 20 FOOT...SLOPE/VALLEY..EAST 5 TO 15 MPH.
* WINDS...10000 FT MSL............EAST 10 TO 15 MPH.
* CHANCE OF PRECIP................0 PERCENT.
* CWR (>= 0.10 IN)................0 PERCENT.
* CHANCE OF THUNDER...............0 PERCENT.
EXTENDED
TUESDAY
CLEAR. LOWS 26-47. HIGHS 56-69. NORTHEAST WINDS 10 TO
20 MPH.
WEDNESDAY
CLEAR. LOWS 32-49. HIGHS 60-74. NORTHEAST WINDS 5 TO
15 MPH.
THURSDAY
CLEAR. LOWS 32-49. HIGHS 61-74. NORTHEAST WINDS 10 TO
20 MPH.
FRIDAY
MOSTLY CLEAR. LOWS 30-48. HIGHS 60-73.
SATURDAY
MOSTLY CLEAR. LOWS 29-46. HIGHS 55-68.
CAZ232-110900-
IMPERIAL COUNTY AND EASTERN RIVERSIDE COUNTY-
1252 PM PST SAT JAN 10 2026
TONIGHT
* SKY/WEATHER.....................CLEAR.
* MIN TEMPERATURE.................39-47.
* 24 HR TREND..................LITTLE CHANGE.
* MAX HUMIDITY....................33-58 PCT.
* 24 HR TREND..................3 PCT WETTER.
* WINDS - 20 FOOT...SLOPE/VALLEY..NORTHWEST 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.
SUNDAY
* SKY/WEATHER.....................SUNNY.
* MAX TEMPERATURE.................61-70.
* 24 HR TREND..................4 DEGREES WARMER.
* MIN HUMIDITY....................15-21 PCT.
* 24 HR TREND..................LITTLE CHANGE.
* WINDS - 20 FOOT...SLOPE/VALLEY..NORTH 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.
SUNDAY NIGHT
* SKY/WEATHER.....................CLEAR.
* MIN TEMPERATURE.................39-48.
* 24 HR TREND..................LITTLE CHANGE.
* MAX HUMIDITY....................35-61 PCT.
* 24 HR TREND..................3 PCT WETTER.
* WINDS - 20 FOOT...SLOPE/VALLEY..NORTH 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.
MONDAY
* SKY/WEATHER.....................MOSTLY SUNNY.
* MAX TEMPERATURE.................63-72.
* 24 HR TREND..................LITTLE CHANGE.
* MIN HUMIDITY....................18-23 PCT.
* 24 HR TREND..................3 PCT WETTER.
* WINDS - 20 FOOT...SLOPE/VALLEY..NORTH 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.
EXTENDED
TUESDAY
CLEAR. LOWS 42-55. HIGHS 68-76. NORTH WINDS 5 TO
15 MPH.
WEDNESDAY
CLEAR. LOWS 45-56. HIGHS 72-79. NORTH WINDS 5 TO
15 MPH.
THURSDAY
CLEAR. LOWS 48-57. HIGHS 72-79. NORTH WINDS 5 TO
15 MPH.
FRIDAY
MOSTLY CLEAR. LOWS 48-57. HIGHS 71-79.
SATURDAY
MOSTLY CLEAR. LOWS 46-55. HIGHS 67-76.
CAZ230-110900-
JOSHUA TREE NATIONAL PARK-
1252 PM PST SAT JAN 10 2026
TONIGHT
* SKY/WEATHER.....................CLEAR.
* MIN TEMPERATURE.................33-42.
* 24 HR TREND..................3 DEGREES WARMER.
* MAX HUMIDITY....................34-47 PCT.
* 24 HR TREND..................LITTLE RH CHANGE.
* WINDS - 20 FOOT...SLOPE/VALLEY..NORTHWEST 10 TO 20 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.
SUNDAY
* SKY/WEATHER.....................SUNNY.
* MAX TEMPERATURE.................52-63.
* 24 HR TREND..................4 DEGREES WARMER.
* MIN HUMIDITY....................18-23 PCT.
* 24 HR TREND..................LITTLE RH CHANGE.
* WINDS - 20 FOOT...SLOPE/VALLEY..NORTH 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.
SUNDAY NIGHT
* SKY/WEATHER.....................MOSTLY CLEAR.
* MIN TEMPERATURE.................36-44.
* 24 HR TREND..................LITTLE CHANGE.
* MAX HUMIDITY....................34-48 PCT.
* 24 HR TREND..................LITTLE RH CHANGE.
* WINDS - 20 FOOT...SLOPE/VALLEY..NORTHWEST 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.
MONDAY
* SKY/WEATHER.....................MOSTLY SUNNY.
* MAX TEMPERATURE.................54-65.
* 24 HR TREND..................LITTLE CHANGE.
* MIN HUMIDITY....................19-25 PCT.
* 24 HR TREND..................LITTLE RH CHANGE.
* WINDS - 20 FOOT...SLOPE/VALLEY..NORTH 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.
EXTENDED
TUESDAY
CLEAR. LOWS 39-52. HIGHS 60-70. NORTHWEST WINDS 10 TO
20 MPH.
WEDNESDAY
CLEAR. LOWS 45-52. HIGHS 64-73. NORTHWEST WINDS
10 TO 20 MPH.
THURSDAY
CLEAR. LOWS 46-52. HIGHS 64-74. NORTHWEST WINDS 5 TO
15 MPH.
FRIDAY
MOSTLY CLEAR. LOWS 41-52. HIGHS 62-73.
SATURDAY
MOSTLY CLEAR. LOWS 40-49. HIGHS 57-68.
8 TO 10 DAY OUTLOOK
SUNDAY JANUARY 18TH THROUGH TUESDAY
JANUARY 20TH: ABOVE NORMAL TEMPERATURES AND BELOW MEDIAN
PRECIPITATION.
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