817
FNUS55 KPSR 101022
FWFPSR
FIRE WEATHER PLANNING FORECAST FOR SOUTHWEST AND SOUTH-CENTRAL
ARIZONA AND SOUTHEAST CALIFORNIA
NATIONAL WEATHER SERVICE PHOENIX AZ
322 AM MST SAT JAN 10 2026
DISCUSSION
TEMPERATURES REMAIN BELOW NORMAL TODAY AND WILL WARM BACK TO NEAR
TO SLIGHTLY ABOVE NORMAL TOMORROW. MINRH WILL BE IN A 15-35%
RANGE, WITH OVERNIGHT RECOVERIES GENERALLY BETWEEN 40-70%. BREEZY
TO LOCALLY WINDY CONDITIONS ARE AGAIN ANTICIPATED THIS WEEKEND.
HOWEVER, THIS TIME THE HIGHEST GUSTS WILL BE ACROSS THE EASTERN
DISTRICT WHERE GUSTS IN EXCESS OF 40 MPH ARE POSSIBLE. WINDS THIS
WEEKEND ARE ANTICIPATED TO MAINTAIN MORE OF AN EASTERLY COMPONENT.
HIGHEST GUSTS ARE EXPECTED SUNDAY MORNING AND AFTERNOON.
NOTE...ADDITIONAL FIRE WEATHER FORECAST INFORMATION CAN BE FOUND
IN THE AREA FORECAST DISCUSSION. SEE PRODUCT PHXAFDPSR.
AZZ132-102230-
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-
322 AM MST SAT JAN 10 2026
TODAY
* SKY/WEATHER.....................SUNNY.
* MAX TEMPERATURE.................58-64.
* 24 HR TREND..................3 DEGREES WARMER.
* MIN HUMIDITY....................14-25 PCT.
* 24 HR TREND..................5 PCT DRIER.
* WINDS - 20 FOOT...SLOPE/VALLEY..NORTHEAST 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.
* MIXING HEIGHT FOR PHOENIX.......1300 FT AGL.
* TRANSPORT WIND FOR PHOENIX......NORTHEAST 5 KNOTS.
* DISPERSION FOR PHOENIX..........POOR.
TONIGHT
* SKY/WEATHER.....................CLEAR.
* MIN TEMPERATURE.................36-46.
* 24 HR TREND..................5 DEGREES WARMER.
* MAX HUMIDITY....................34-56 PCT.
* 24 HR TREND..................4 PCT DRIER.
* WINDS - 20 FOOT...SLOPE/VALLEY..NORTHEAST 5 TO 15 MPH.
* WINDS...10000 FT MSL............NORTHEAST 25 TO 35 MPH IN THE
EVENING BECOMING EAST 15 TO 25 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.................63-69.
* 24 HR TREND..................5 DEGREES WARMER.
* MIN HUMIDITY....................14-21 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.......1100 FT AGL.
* TRANSPORT WIND FOR PHOENIX......EAST 12 KNOTS.
* DISPERSION FOR PHOENIX..........MARGINAL.
EXTENDED
MONDAY
CLEAR. LOWS 38-48. HIGHS 65-71. NORTHEAST WINDS 5 TO
15 MPH.
TUESDAY
CLEAR. LOWS 39-49. HIGHS 67-73. NORTH 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 73-78.
FRIDAY
MOSTLY CLEAR. LOWS 43-53. HIGHS 72-77.
AZZ131-CAZ231-102230-
YUMA/MARTINEZ LAKE AND VICINITY/LOWER COLORADO RIVER VALLEY AZ-
LOWER COLORADO RIVER VALLEY CA-
322 AM MST SAT JAN 10 2026 /222 AM PST SAT JAN 10 2026/
TODAY
* SKY/WEATHER.....................SUNNY.
* MAX TEMPERATURE.................60-65.
* 24 HR TREND..................3 DEGREES WARMER.
* MIN HUMIDITY....................16-20 PCT.
* 24 HR TREND..................LITTLE CHANGE.
* WINDS - 20 FOOT...SLOPE/VALLEY..NORTH 10 TO 20 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.
* MIXING HEIGHT FOR YUMA..........1900 FT AGL.
* TRANSPORT WIND FOR YUMA.........NORTH 17 KNOTS.
* DISPERSION FOR YUMA.............FAIR.
TONIGHT
* SKY/WEATHER.....................CLEAR.
* MIN TEMPERATURE.................34-44.
* 24 HR TREND..................LITTLE CHANGE.
* MAX HUMIDITY....................41-72 PCT.
* 24 HR TREND..................3 PCT WETTER.
* 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..................4 DEGREES WARMER.
* MIN HUMIDITY....................15-23 PCT.
* 24 HR TREND..................LITTLE 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..........1500 FT AGL.
* TRANSPORT WIND FOR YUMA.........NORTH 12 KNOTS.
* DISPERSION FOR YUMA.............MARGINAL.
EXTENDED
MONDAY
CLEAR. LOWS 34-47. HIGHS 66-71. NORTH WINDS 10 TO
20 MPH.
TUESDAY
CLEAR. LOWS 38-49. 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 44-53. HIGHS 74-79.
FRIDAY
MOSTLY CLEAR. LOWS 43-53. HIGHS 73-78.
AZZ133-102230-
SOUTHERN GILA COUNTY/TONTO NATIONAL FOREST FOOTHILLS-
SOUTHERN TONTO NF/WEST SAN CARLOS BIA/SOUTH PORTION FT APACHE BIA/
CAZ-
322 AM MST SAT JAN 10 2026
TODAY
* SKY/WEATHER.....................SUNNY.
* MAX TEMPERATURE.................45-59.
* 24 HR TREND..................5 DEGREES WARMER.
* MIN HUMIDITY....................23-36 PCT.
* 24 HR TREND..................7 PCT DRIER.
* WINDS - 20 FOOT...SLOPE/VALLEY..NORTHEAST 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.
TONIGHT
* SKY/WEATHER.....................CLEAR.
* MIN TEMPERATURE.................23-39.
* 24 HR TREND..................4 DEGREES WARMER.
* MAX HUMIDITY....................42-67 PCT.
* 24 HR TREND..................4 PCT DRIER.
* WINDS - 20 FOOT...SLOPE/VALLEY..NORTHEAST 5 TO 15 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....................19-27 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.
EXTENDED
MONDAY
CLEAR. LOWS 26-43. HIGHS 52-66. EAST WINDS 10 TO
20 MPH.
TUESDAY
CLEAR. LOWS 26-47. HIGHS 57-70. NORTHEAST WINDS 10 TO
20 MPH.
WEDNESDAY
CLEAR. LOWS 32-49. HIGHS 60-74. NORTHEAST WINDS 5 TO
15 MPH.
THURSDAY
CLEAR. LOWS 33-49. HIGHS 61-74.
FRIDAY
MOSTLY CLEAR. LOWS 30-48. HIGHS 59-73.
CAZ232-102230-
IMPERIAL COUNTY AND EASTERN RIVERSIDE COUNTY-
222 AM PST SAT JAN 10 2026
TODAY
* SKY/WEATHER.....................SUNNY.
* MAX TEMPERATURE.................57-66.
* 24 HR TREND..................3 DEGREES WARMER.
* MIN HUMIDITY....................15-21 PCT.
* 24 HR TREND..................LITTLE RH CHANGE.
* WINDS - 20 FOOT...SLOPE/VALLEY..NORTH 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.
TONIGHT
* SKY/WEATHER.....................CLEAR.
* MIN TEMPERATURE.................39-47.
* 24 HR TREND..................LITTLE CHANGE.
* MAX HUMIDITY....................35-59 PCT.
* 24 HR TREND..................4 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....................16-22 PCT.
* 24 HR TREND..................LITTLE RH 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.
EXTENDED
MONDAY
CLEAR. LOWS 40-51. HIGHS 64-71. NORTH WINDS 5 TO
15 MPH.
TUESDAY
CLEAR. LOWS 43-55. HIGHS 68-75. NORTHWEST WINDS 5 TO
15 MPH.
WEDNESDAY
CLEAR. LOWS 45-56. HIGHS 71-79. NORTH WINDS 5 TO
15 MPH.
THURSDAY
CLEAR. LOWS 48-56. HIGHS 72-80.
FRIDAY
MOSTLY CLEAR. LOWS 47-56. HIGHS 72-79.
CAZ230-102230-
JOSHUA TREE NATIONAL PARK-
222 AM PST SAT JAN 10 2026
TODAY
* SKY/WEATHER.....................SUNNY.
* MAX TEMPERATURE.................47-59.
* 24 HR TREND..................5 DEGREES WARMER.
* MIN HUMIDITY....................18-24 PCT.
* 24 HR TREND..................LITTLE RH CHANGE.
* WINDS - 20 FOOT...SLOPE/VALLEY..NORTH 10 TO 20 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.
TONIGHT
* SKY/WEATHER.....................CLEAR.
* MIN TEMPERATURE.................34-41.
* 24 HR TREND..................LITTLE CHANGE.
* MAX HUMIDITY....................35-48 PCT.
* 24 HR TREND..................LITTLE RH CHANGE.
* WINDS - 20 FOOT...SLOPE/VALLEY..NORTHWEST 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
* SKY/WEATHER.....................SUNNY.
* MAX TEMPERATURE.................52-62.
* 24 HR TREND..................4 DEGREES WARMER.
* MIN HUMIDITY....................19-24 PCT.
* 24 HR TREND..................LITTLE 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
MONDAY
MOSTLY CLEAR. LOWS 36-47. HIGHS 55-66. NORTH WINDS 5 TO
15 MPH.
TUESDAY
CLEAR. LOWS 41-52. HIGHS 60-70. NORTHWEST WINDS 5 TO
15 MPH.
WEDNESDAY
CLEAR. LOWS 46-52. HIGHS 63-74. NORTHWEST WINDS
10 TO 20 MPH.
THURSDAY
CLEAR. LOWS 45-52. HIGHS 64-74.
FRIDAY
MOSTLY CLEAR. LOWS 44-52. HIGHS 62-73.
8 TO 10 DAY OUTLOOK
SATURDAY JANUARY 17TH THROUGH MONDAY
JANUARY 19TH: ABOVE NORMAL TEMPERATURES AND BELOW MEDIAN
PRECIPITATION.
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