018
FNUS55 KPSR 201128
FWFPSR
FIRE WEATHER PLANNING FORECAST FOR SOUTHWEST AND SOUTH-CENTRAL
ARIZONA AND SOUTHEAST CALIFORNIA
NATIONAL WEATHER SERVICE PHOENIX AZ
428 AM MST MON JAN 20 2025
DISCUSSION
TEMPERATURES SHOULD HOVER CLOSE TO THE SEASONAL NORMAL THROUGH THE
MIDDLE OF THIS WEEK WITH EXPANSIVE DRY AIR IN PLACE RESULTING IN NO
CHANCE OF WETTING RAINFALL. MINIMUM AFTERNOON HUMIDITY LEVELS
WILL GENERALLY BE IN THE 5-15% RANGE THIS WEEK AS DRIER AIR
PERSISTS. OVERNIGHT RECOVERIES WILL REMAIN POOR OF ONLY 15-30%
THROUGH THIS WEEK. WHILE SOME GUSTY NORTH WINDS RESULTING IN A
PERIOD OF ELEVATED FIRE DANGER WILL EXIST TODAY AND TONIGHT FOR
THE WESTERN DISTRICTS AND SOME HIGHER TERRAIN AREAS OF THE EASTERN
DISTRICTS, LIGHT WINDS WILL BECOME MORE COMMON OVER THE REMAINDER
OF THE REGION FOR THE REST OF THE WEEK.
NOTE...ADDITIONAL FIRE WEATHER FORECAST INFORMATION CAN BE FOUND
IN THE AREA FORECAST DISCUSSION. SEE PRODUCT PHXAFDPSR.
AZZ132-202330-
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-
428 AM MST MON JAN 20 2025
TODAY
* SKY/WEATHER.....................SUNNY.
* MAX TEMPERATURE.................59-66.
* 24 HR TREND..................LITTLE CHANGE.
* MIN HUMIDITY....................9-13 PCT.
* 24 HR TREND..................3 PCT DRIER.
* WINDS - 20 FOOT...SLOPE/VALLEY..NORTH 5 TO 15 MPH.
* WINDS...10000 FT MSL............NORTHWEST 20 TO 30 MPH.
* CHANCE OF PRECIP................0 PERCENT.
* CWR (>= 0.10 IN)................0 PERCENT.
* LAL.............................1.
* HAINES HIGH LEVEL INDEX.........4 LOW POTENTIAL FOR LARGE PLUME
DOMINATED FIRE GROWTH.
* MIXING HEIGHT FOR PHOENIX.......5600 FT AGL.
* TRANSPORT WIND FOR PHOENIX......NORTH 10 KNOTS.
* DISPERSION FOR PHOENIX..........GOOD.
TONIGHT
* SKY/WEATHER.....................CLEAR. PATCHY BLOWING DUST IN THE
EVENING.
* MIN TEMPERATURE.................29-39.
* 24 HR TREND..................4 DEGREES COOLER.
* MAX HUMIDITY....................11-17 PCT.
* 24 HR TREND..................18 PCT DRIER.
* WINDS - 20 FOOT...SLOPE/VALLEY..NORTH 10 TO 20 MPH.
* WINDS...10000 FT MSL............NORTH 20 TO 30 MPH IN THE EVENING
BECOMING NORTHEAST 40 TO 50 MPH AFTER MIDNIGHT.
* CHANCE OF PRECIP................0 PERCENT.
* CWR (>= 0.10 IN)................0 PERCENT.
* LAL.............................1.
TUESDAY
* SKY/WEATHER.....................SUNNY.
* MAX TEMPERATURE.................57-62.
* 24 HR TREND..................4 DEGREES COOLER.
* MIN HUMIDITY....................4-8 PCT.
* 24 HR TREND..................5 PCT DRIER.
* WINDS - 20 FOOT...SLOPE/VALLEY..NORTHEAST 5 TO 15 MPH.
* WINDS...10000 FT MSL............NORTHEAST 30 TO 40 MPH IN THE
MORNING BECOMING 15 TO 25 MPH IN THE AFTERNOON.
* CHANCE OF PRECIP................0 PERCENT.
* CWR (>= 0.10 IN)................0 PERCENT.
* LAL.............................1.
* HAINES HIGH LEVEL INDEX.........4 LOW POTENTIAL FOR LARGE PLUME
DOMINATED FIRE GROWTH.
* MIXING HEIGHT FOR PHOENIX.......1600 FT AGL.
* TRANSPORT WIND FOR PHOENIX......SOUTHEAST 3 KNOTS.
* DISPERSION FOR PHOENIX..........POOR.
EXTENDED
WEDNESDAY
MOSTLY CLEAR. LOWS 28-44. HIGHS 62-67. NORTH WINDS
5 TO 15 MPH. MINIMUM RELATIVE HUMIDITY MAY BE LOWER THAN
15 PERCENT.
THURSDAY
CLEAR. LOWS 34-44. HIGHS 66-71. NORTHEAST WINDS 5 TO
15 MPH. MINIMUM RELATIVE HUMIDITY MAY BE LOWER THAN 15 PERCENT.
FRIDAY
MOSTLY CLEAR. LOWS 35-46. HIGHS 68-73. EAST WINDS 5 TO
15 MPH. MINIMUM RELATIVE HUMIDITY MAY BE LOWER THAN 15 PERCENT.
SATURDAY
PARTLY CLOUDY. LOWS 39-49. HIGHS 64-71.
SUNDAY
PARTLY CLOUDY WITH SLIGHT CHANCE OF SHOWERS. LOWS
35-46. HIGHS 59-66.
AZZ131-CAZ231-202330-
YUMA/MARTINEZ LAKE AND VICINITY/LOWER COLORADO RIVER VALLEY AZ-
LOWER COLORADO RIVER VALLEY CA-
428 AM MST MON JAN 20 2025 /328 AM PST MON JAN 20 2025/
TODAY
* SKY/WEATHER.....................SUNNY. PATCHY BLOWING DUST IN THE
AFTERNOON.
* MAX TEMPERATURE.................59-66.
* 24 HR TREND..................3 DEGREES COOLER.
* MIN HUMIDITY....................10-14 PCT.
* 24 HR TREND..................LITTLE CHANGE.
* WINDS - 20 FOOT...SLOPE/VALLEY..BREEZY. NORTH 5 TO 15 MPH IN THE
MORNING BECOMING 20 TO 30 MPH IN THE AFTERNOON.
* WINDS...10000 FT MSL............NORTHWEST 25 TO 35 MPH.
* CHANCE OF PRECIP................0 PERCENT.
* CWR (>= 0.10 IN)................0 PERCENT.
* LAL.............................1.
* HAINES HIGH LEVEL INDEX.........4 LOW POTENTIAL FOR LARGE PLUME
DOMINATED FIRE GROWTH.
* MIXING HEIGHT FOR YUMA..........4200 FT AGL.
* TRANSPORT WIND FOR YUMA.........NORTH 35 KNOTS.
* DISPERSION FOR YUMA.............EXCELLENT.
TONIGHT
* SKY/WEATHER.....................CLEAR. PATCHY BLOWING DUST IN THE
EVENING.
* MIN TEMPERATURE.................30-37.
* 24 HR TREND..................4 DEGREES COOLER.
* MAX HUMIDITY....................13-21 PCT.
* 24 HR TREND..................15 PCT DRIER.
* WINDS - 20 FOOT...SLOPE/VALLEY..NORTH 15 TO 25 MPH.
* WINDS...10000 FT MSL............NORTHEAST 45 TO 55 MPH.
* CHANCE OF PRECIP................0 PERCENT.
* CWR (>= 0.10 IN)................0 PERCENT.
* LAL.............................1.
TUESDAY
* SKY/WEATHER.....................SUNNY.
* MAX TEMPERATURE.................58-63.
* 24 HR TREND..................LITTLE CHANGE.
* MIN HUMIDITY....................5-9 PCT.
* 24 HR TREND..................5 PCT DRIER.
* WINDS - 20 FOOT...SLOPE/VALLEY..NORTH 10 TO 20 MPH.
* WINDS...10000 FT MSL............NORTHEAST 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.
* LAL.............................1.
* HAINES HIGH LEVEL INDEX.........4 LOW POTENTIAL FOR LARGE PLUME
DOMINATED FIRE GROWTH.
* MIXING HEIGHT FOR YUMA..........1400 FT AGL.
* TRANSPORT WIND FOR YUMA.........NORTH 10 KNOTS.
* DISPERSION FOR YUMA.............MARGINAL.
EXTENDED
WEDNESDAY
MOSTLY CLEAR. LOWS 28-45. HIGHS 66-71. NORTH WINDS
10 TO 20 MPH. MINIMUM RELATIVE HUMIDITY MAY BE LOWER THAN
15 PERCENT.
THURSDAY
MOSTLY CLEAR. LOWS 33-45. HIGHS 67-72. NORTH WINDS
10 TO 20 MPH. MINIMUM RELATIVE HUMIDITY MAY BE LOWER THAN
15 PERCENT.
FRIDAY
MOSTLY CLEAR. LOWS 33-45. HIGHS 68-73. NORTHEAST WINDS
5 TO 10 MPH. MINIMUM RELATIVE HUMIDITY MAY BE LOWER THAN
15 PERCENT.
SATURDAY
PARTLY CLOUDY. LOWS 37-45. HIGHS 66-71.
SUNDAY
PARTLY CLOUDY WITH SLIGHT CHANCE OF SHOWERS. LOWS
36-44. HIGHS 61-66.
AZZ133-202330-
SOUTHERN GILA COUNTY/TONTO NATIONAL FOREST FOOTHILLS-
SOUTHERN TONTO NF/WEST SAN CARLOS BIA/SOUTH PORTION FT APACHE BIA/
CAZ-
428 AM MST MON JAN 20 2025
TODAY
* SKY/WEATHER.....................SUNNY.
* MAX TEMPERATURE.................43-61.
* 24 HR TREND..................3 DEGREES COOLER.
* MIN HUMIDITY....................10-16 PCT.
* 24 HR TREND..................LITTLE RH CHANGE.
* WINDS - 20 FOOT...SLOPE/VALLEY..NORTH 5 TO 15 MPH.
* WINDS...10000 FT MSL............NORTHWEST 20 TO 30 MPH IN THE
MORNING BECOMING 5 TO 15 MPH IN THE AFTERNOON.
* CHANCE OF PRECIP................0 PERCENT.
* CWR (>= 0.10 IN)................0 PERCENT.
* LAL.............................1.
* HAINES HIGH LEVEL INDEX.........3 VERY LOW POTENTIAL FOR LARGE
PLUME DOMINATED FIRE GROWTH.
TONIGHT
* SKY/WEATHER.....................CLEAR.
* MIN TEMPERATURE.................16-32.
* 24 HR TREND..................7 DEGREES COOLER.
* MAX HUMIDITY....................13-23 PCT.
* 24 HR TREND..................18 PCT DRIER.
* WINDS - 20 FOOT...SLOPE/VALLEY..NORTHEAST 15 TO 25 MPH.
* WINDS...10000 FT MSL............NORTH 10 TO 20 MPH IN THE EVENING
BECOMING NORTHEAST 35 TO 45 MPH AFTER MIDNIGHT.
* CHANCE OF PRECIP................0 PERCENT.
* CWR (>= 0.10 IN)................0 PERCENT.
* LAL.............................1.
TUESDAY
* SKY/WEATHER.....................SUNNY.
* MAX TEMPERATURE.................44-57.
* 24 HR TREND..................3 DEGREES COOLER.
* MIN HUMIDITY....................5-12 PCT.
* 24 HR TREND..................5 PCT DRIER.
* WINDS - 20 FOOT...SLOPE/VALLEY..EAST 5 TO 15 MPH.
* WINDS...10000 FT MSL............NORTHEAST 30 TO 40 MPH IN THE
MORNING BECOMING 15 TO 25 MPH IN THE AFTERNOON.
* CHANCE OF PRECIP................0 PERCENT.
* CWR (>= 0.10 IN)................0 PERCENT.
* LAL.............................1.
* HAINES HIGH LEVEL INDEX.........4 LOW POTENTIAL FOR LARGE PLUME
DOMINATED FIRE GROWTH.
EXTENDED
WEDNESDAY
MOSTLY CLEAR. LOWS 23-40. HIGHS 54-67. NORTHEAST
WINDS 10 TO 20 MPH. MINIMUM RELATIVE HUMIDITY MAY BE LOWER THAN
15 PERCENT.
THURSDAY
CLEAR. LOWS 25-41. HIGHS 52-68. NORTHEAST WINDS 10 TO
20 MPH. MINIMUM RELATIVE HUMIDITY MAY BE LOWER THAN 15 PERCENT.
FRIDAY
MOSTLY CLEAR. LOWS 28-44. HIGHS 57-71. EAST WINDS 5 TO
15 MPH. MINIMUM RELATIVE HUMIDITY MAY BE LOWER THAN 15 PERCENT.
SATURDAY
PARTLY CLOUDY. LOWS 32-45. HIGHS 54-68.
SUNDAY
PARTLY CLOUDY WITH CHANCE OF SHOWERS AND SNOW SHOWERS.
LOWS 29-45. HIGHS 48-62.
CAZ232-202330-
IMPERIAL COUNTY AND EASTERN RIVERSIDE COUNTY-
328 AM PST MON JAN 20 2025
TODAY
* SKY/WEATHER.....................SUNNY. PATCHY BLOWING DUST IN THE
AFTERNOON.
* MAX TEMPERATURE.................55-67.
* 24 HR TREND..................4 DEGREES COOLER.
* MIN HUMIDITY....................8-13 PCT.
* 24 HR TREND..................3 PCT DRIER.
* WINDS - 20 FOOT...SLOPE/VALLEY..NORTH 5 TO 15 MPH IN THE MORNING
BECOMING 15 TO 25 MPH IN THE AFTERNOON.
* WINDS...10000 FT MSL............NORTHWEST 20 TO 30 MPH IN THE
MORNING BECOMING NORTH 30 TO 40 MPH IN THE AFTERNOON.
* CHANCE OF PRECIP................0 PERCENT.
* CWR (>= 0.10 IN)................0 PERCENT.
* LAL.............................1.
* HAINES HIGH LEVEL INDEX.........4 LOW POTENTIAL FOR LARGE PLUME
DOMINATED FIRE GROWTH.
TONIGHT
* SKY/WEATHER.....................CLEAR. PATCHY BLOWING DUST IN THE
EVENING.
* MIN TEMPERATURE.................32-39.
* 24 HR TREND..................6 DEGREES COOLER.
* MAX HUMIDITY....................11-25 PCT.
* 24 HR TREND..................22 PCT DRIER.
* WINDS - 20 FOOT...SLOPE/VALLEY..NORTH 15 TO 25 MPH.
* WINDS...10000 FT MSL............NORTHEAST 45 TO 55 MPH.
* CHANCE OF PRECIP................0 PERCENT.
* CWR (>= 0.10 IN)................0 PERCENT.
* LAL.............................1.
TUESDAY
* SKY/WEATHER.....................MOSTLY SUNNY.
* MAX TEMPERATURE.................54-62.
* 24 HR TREND..................3 DEGREES COOLER.
* MIN HUMIDITY....................5-9 PCT.
* 24 HR TREND..................4 PCT DRIER.
* WINDS - 20 FOOT...SLOPE/VALLEY..NORTH 5 TO 15 MPH.
* WINDS...10000 FT MSL............NORTHEAST 30 TO 40 MPH IN THE
MORNING BECOMING 15 TO 25 MPH IN THE AFTERNOON.
* CHANCE OF PRECIP................0 PERCENT.
* CWR (>= 0.10 IN)................0 PERCENT.
* LAL.............................1.
* HAINES HIGH LEVEL INDEX.........4 LOW POTENTIAL FOR LARGE PLUME
DOMINATED FIRE GROWTH.
EXTENDED
WEDNESDAY
MOSTLY CLEAR. LOWS 33-50. HIGHS 64-71. NORTH WINDS
10 TO 20 MPH. MINIMUM RELATIVE HUMIDITY MAY BE LOWER THAN
15 PERCENT.
THURSDAY
MOSTLY CLEAR. LOWS 37-50. HIGHS 65-73. NORTH WINDS
10 TO 20 MPH. MINIMUM RELATIVE HUMIDITY MAY BE LOWER THAN
15 PERCENT.
FRIDAY
MOSTLY CLEAR. LOWS 37-47. HIGHS 65-73. SOUTHEAST WINDS
5 TO 10 MPH. MINIMUM RELATIVE HUMIDITY MAY BE LOWER THAN
15 PERCENT.
SATURDAY
PARTLY CLOUDY. LOWS 39-47. HIGHS 60-70.
SUNDAY
PARTLY CLOUDY WITH SLIGHT CHANCE OF SHOWERS. LOWS
38-47. HIGHS 55-66.
CAZ230-202330-
JOSHUA TREE NATIONAL PARK-
328 AM PST MON JAN 20 2025
TODAY
* SKY/WEATHER.....................SUNNY.
* MAX TEMPERATURE.................43-56.
* 24 HR TREND..................9 DEGREES COOLER.
* MIN HUMIDITY....................9-14 PCT.
* 24 HR TREND..................4 PCT DRIER.
* WINDS - 20 FOOT...SLOPE/VALLEY..BREEZY. NORTH 10 TO 20 MPH IN THE
MORNING BECOMING 20 TO 30 MPH IN THE AFTERNOON.
* WINDS...10000 FT MSL............NORTHWEST 20 TO 30 MPH IN THE
MORNING BECOMING NORTH 35 TO 45 MPH IN THE AFTERNOON.
* CHANCE OF PRECIP................0 PERCENT.
* CWR (>= 0.10 IN)................0 PERCENT.
* LAL.............................1.
* HAINES HIGH LEVEL INDEX.........4 LOW POTENTIAL FOR LARGE PLUME
DOMINATED FIRE GROWTH.
TONIGHT
* SKY/WEATHER.....................CLEAR.
* MIN TEMPERATURE.................25-33.
* 24 HR TREND..................8 DEGREES COOLER.
* MAX HUMIDITY....................12-17 PCT.
* 24 HR TREND..................22 PCT DRIER.
* WINDS - 20 FOOT...SLOPE/VALLEY..NORTH 15 TO 25 MPH IN THE EVENING
BECOMING 5 TO 15 MPH AFTER MIDNIGHT.
* WINDS...10000 FT MSL............NORTHEAST 55 TO 65 MPH IN THE
EVENING BECOMING 40 TO 50 MPH AFTER MIDNIGHT.
* CHANCE OF PRECIP................0 PERCENT.
* CWR (>= 0.10 IN)................0 PERCENT.
* LAL.............................1.
TUESDAY
* SKY/WEATHER.....................MOSTLY SUNNY.
* MAX TEMPERATURE.................46-57.
* 24 HR TREND..................LITTLE CHANGE.
* MIN HUMIDITY....................4-8 PCT.
* 24 HR TREND..................6 PCT DRIER.
* WINDS - 20 FOOT...SLOPE/VALLEY..NORTH 5 TO 15 MPH.
* WINDS...10000 FT MSL............NORTHEAST 20 TO 30 MPH IN THE
MORNING BECOMING 10 TO 20 MPH IN THE AFTERNOON.
* CHANCE OF PRECIP................0 PERCENT.
* CWR (>= 0.10 IN)................0 PERCENT.
* LAL.............................1.
* HAINES HIGH LEVEL INDEX.........4 LOW POTENTIAL FOR LARGE PLUME
DOMINATED FIRE GROWTH.
EXTENDED
WEDNESDAY
MOSTLY CLEAR. LOWS 31-45. HIGHS 55-66. NORTHWEST
WINDS 10 TO 20 MPH. MINIMUM RELATIVE HUMIDITY MAY BE LOWER THAN
15 PERCENT.
THURSDAY
CLEAR. LOWS 36-45. HIGHS 57-67. NORTH WINDS 5 TO
15 MPH. MINIMUM RELATIVE HUMIDITY MAY BE LOWER THAN 15 PERCENT.
FRIDAY
MOSTLY CLEAR. LOWS 36-43. HIGHS 59-69. SOUTHWEST WINDS
5 TO 15 MPH. MINIMUM RELATIVE HUMIDITY MAY BE LOWER THAN
15 PERCENT.
SATURDAY
PARTLY CLOUDY. LOWS 30-43. HIGHS 50-62.
SUNDAY
PARTLY CLOUDY WITH CHANCE OF SHOWERS AND SNOW SHOWERS.
LOWS 29-40. HIGHS 44-57.
8 TO 10 DAY OUTLOOK
MONDAY JANUARY 27TH THROUGH WEDNESDAY
JANUARY 29TH: BELOW NORMAL TEMPERATURES AND ABOVE MEDIAN
PRECIPITATION.
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