246
FNUS56 KSEW 151341
FWFSEW
FIRE WEATHER PLANNING FORECAST FOR WESTERN WASHINGTON
NATIONAL WEATHER SERVICE SEATTLE WA
641 AM PDT MON SEP 15 2025
...FIRE WEATHER WATCH IN EFFECT FROM LATE TONIGHT THROUGH TUESDAY
EVENING...
DISCUSSION
A WARMING AND DRYING TREND BEGINS TODAY. EASTERLY
OFFSHORE FLOW WILL INCREASE THIS EVENING AND PEAK TUESDAY MORNING.
WHILE RELATIVELY HUMIDITIES WILL BE MARGINAL, GUSTY EASTERLY WILL
DEVELOP, PARTICULARLY ACROSS THE CENTRAL CASCADES AND FOOTHILLS LATE
TONIGHT THROUGH MONDAY MORNING LEADING TO THE POTENTIAL FOR CRITICAL
FIRE WEATHER CONDITIONS. COOLER CONDITIONS AND ONSHORE FLOW WILL
RETURN MID TO LATE WEEK. THE NEXT CHANCE FOR MORE WIDESPREAD
PRECIPITATION RETURNS NEXT WEEKEND.
FORECAST FOR 20 FOOT WIND SPEED (VALLEYS AND RIDGE TOPS) ARE 10
MINUTE AVERAGES REFLECTING RAWS WINDS.
WAZ649-152330-
NORTH AND CENTRAL COASTAL STRIP-
641 AM PDT MON SEP 15 2025
TODAY
* SKY/WEATHER...........MOSTLY SUNNY.
* MAX TEMPERATURE.......59-69.
* MIN HUMIDITY..........67-82 PERCENT.
* 20-FOOT WINDS.........
* VALLEYS/LWR SLOPES..LIGHT WINDS BECOMING NORTHWEST AROUND 4 MPH
IN THE AFTERNOON.
* RIDGES/UPR SLOPES...LIGHT WINDS BECOMING NORTHWEST AROUND 4 MPH
IN THE AFTERNOON.
* MIXING HEIGHT.........600-1600 FT AGL.
* TRANSPORT WINDS.......NORTH AROUND 5 MPH.
* CWR (>0.25)...........0 PERCENT.
* CHANCE OF LIGHTNING...0 PERCENT.
TONIGHT
* SKY/WEATHER...........MOSTLY CLEAR.
* MIN TEMPERATURE.......49-59.
* MAX HUMIDITY..........80-95 PERCENT.
* 20-FOOT WINDS.........
* VALLEYS/LWR SLOPES..NORTH WINDS AROUND 4 MPH SHIFTING TO THE
NORTHEAST AROUND 5 MPH AFTER MIDNIGHT.
* RIDGES/UPR SLOPES...NORTH WINDS AROUND 4 MPH SHIFTING TO THE EAST
AROUND 6 MPH AFTER MIDNIGHT.
* MIXING HEIGHT.........400-600 FT AGL.
* TRANSPORT WINDS.......NORTH AROUND 10 MPH SHIFTING TO THE EAST
AFTER MIDNIGHT.
* CWR (>0.25)...........0 PERCENT.
* CHANCE OF LIGHTNING...0 PERCENT.
TUESDAY
* SKY/WEATHER...........SUNNY. HAZE IN THE MORNING.
* MAX TEMPERATURE.......70-80.
* MIN HUMIDITY..........53-68 PERCENT.
* 20-FOOT WINDS.........
* VALLEYS/LWR SLOPES..EAST WINDS 6 TO 9 MPH.
* RIDGES/UPR SLOPES...EAST WINDS 6 TO 9 MPH.
* MIXING HEIGHT.........500-1500 FT AGL.
* TRANSPORT WINDS.......EAST AROUND 15 MPH.
* CWR (>0.25)...........0 PERCENT.
* CHANCE OF LIGHTNING...0 PERCENT.
TUESDAY NIGHT
MOSTLY CLEAR. LOWS IN THE MID 50S. SOUTH WINDS 3 TO
5 MPH.
WEDNESDAY
PARTLY SUNNY. SLIGHT CHANCE OF RAIN IN THE MORNING.
HIGHS IN THE MID 60S. SOUTHWEST WINDS AROUND 3 MPH SHIFTING TO THE
NORTHWEST IN THE AFTERNOON.
WEDNESDAY NIGHT
PARTLY CLOUDY. LOWS IN THE LOWER 50S. NORTHWEST
WINDS 7 TO 10 MPH.
THURSDAY
MOSTLY SUNNY. HIGHS 62 TO 72. NORTHWEST WINDS 4 TO
7 MPH.
THURSDAY NIGHT
MOSTLY CLEAR. LOWS IN THE LOWER 50S. NORTH WINDS
AROUND 3 MPH.
FRIDAY
MOSTLY SUNNY. HIGHS 64 TO 74. LIGHT WINDS.
SATURDAY
MOSTLY CLOUDY. SLIGHT CHANCE OF RAIN. LOWS IN THE MID
50S. HIGHS 61 TO 71.
SUNDAY
MOSTLY CLOUDY WITH A CHANCE OF RAIN. LOWS IN THE MID 50S.
HIGHS IN THE MID 60S.
.8 TO 14 DAY OUTLOOK FOR SEP 22 - 28 2025
NEAR NORMAL TEMPERATURES AND ABOVE NORMAL PRECIPITATION.
WAZ650-152330-
NORTH COASTAL LOWLANDS-
641 AM PDT MON SEP 15 2025
TODAY
* SKY/WEATHER...........MOSTLY SUNNY.
* MAX TEMPERATURE.......59-69.
* MIN HUMIDITY..........61-76 PERCENT.
* 20-FOOT WINDS.........
* VALLEYS/LWR SLOPES..LIGHT WINDS BECOMING NORTHWEST AROUND 3 MPH
IN THE AFTERNOON.
* RIDGES/UPR SLOPES...LIGHT WINDS BECOMING NORTH AROUND 4 MPH IN
THE AFTERNOON.
* MIXING HEIGHT.........1100-2100 FT AGL.
* TRANSPORT WINDS.......NORTH AROUND 5 MPH.
* CWR (>0.25)...........0 PERCENT.
* CHANCE OF LIGHTNING...0 PERCENT.
TONIGHT
* SKY/WEATHER...........MOSTLY CLEAR.
* MIN TEMPERATURE.......49-59.
* MAX HUMIDITY..........69-84 PERCENT.
* 20-FOOT WINDS.........
* VALLEYS/LWR SLOPES..NORTHEAST WINDS 3 TO 6 MPH.
* RIDGES/UPR SLOPES...NORTHEAST WINDS 3 TO 8 MPH. GUSTS UP TO 25
MPH AFTER MIDNIGHT.
* MIXING HEIGHT.........500-900 FT AGL.
* TRANSPORT WINDS.......NORTHEAST 5 TO 10 MPH.
* CWR (>0.25)...........0 PERCENT.
* CHANCE OF LIGHTNING...0 PERCENT.
TUESDAY
* SKY/WEATHER...........SUNNY.
* MAX TEMPERATURE.......71-81.
* MIN HUMIDITY..........49-64 PERCENT.
* 20-FOOT WINDS.........
* VALLEYS/LWR SLOPES..EAST WINDS 5 TO 8 MPH.
* RIDGES/UPR SLOPES...EAST WINDS 5 TO 8 MPH. GUSTS UP TO 25 MPH IN
THE MORNING.
* MIXING HEIGHT.........1000-2000 FT AGL.
* TRANSPORT WINDS.......EAST 10 TO 15 MPH.
* CWR (>0.25)...........0 PERCENT.
* CHANCE OF LIGHTNING...0 PERCENT.
TUESDAY NIGHT
MOSTLY CLEAR. LOWS IN THE MID 50S. SOUTH WINDS 3 TO
5 MPH.
WEDNESDAY
MOSTLY SUNNY. HIGHS 65 TO 75. LIGHT WINDS BECOMING
NORTHWEST AROUND 6 MPH IN THE AFTERNOON.
WEDNESDAY NIGHT
PARTLY CLOUDY. LOWS IN THE LOWER 50S. NORTHWEST
WINDS 3 TO 6 MPH.
THURSDAY
SUNNY. HIGHS 66 TO 76. LIGHT WINDS BECOMING NORTHWEST
AROUND 4 MPH IN THE AFTERNOON.
THURSDAY NIGHT
MOSTLY CLEAR. LOWS 48 TO 58. LIGHT WINDS.
FRIDAY
SUNNY. HIGHS 68 TO 78. LIGHT WINDS.
SATURDAY
PARTLY CLOUDY. SLIGHT CHANCE OF RAIN. LOWS IN THE MID
50S. HIGHS 65 TO 75.
SUNDAY
MOSTLY CLOUDY WITH A CHANCE OF RAIN. LOWS IN THE MID 50S.
HIGHS 61 TO 71.
.8 TO 14 DAY OUTLOOK FOR SEP 22 - 28 2025
NEAR NORMAL TEMPERATURES AND ABOVE NORMAL PRECIPITATION.
WAZ651-152330-
CENTRAL COASTAL LOWLANDS-
641 AM PDT MON SEP 15 2025
TODAY
* SKY/WEATHER...........MOSTLY SUNNY.
* MAX TEMPERATURE.......62-72.
* MIN HUMIDITY..........54-69 PERCENT.
* 20-FOOT WINDS.........
* VALLEYS/LWR SLOPES..LIGHT WINDS BECOMING NORTHEAST AROUND 3 MPH
IN THE AFTERNOON.
* RIDGES/UPR SLOPES...NORTHEAST WINDS AROUND 3 MPH IN THE MORNING
BECOMING LIGHT.
* MIXING HEIGHT.........600 FT AGL INCREASING TO 3100 FT AGL IN THE
AFTERNOON.
* TRANSPORT WINDS.......NORTHEAST AROUND 5 MPH.
* CWR (>0.25)...........0 PERCENT.
* CHANCE OF LIGHTNING...0 PERCENT.
TONIGHT
* SKY/WEATHER...........MOSTLY CLEAR.
* MIN TEMPERATURE.......49-59.
* MAX HUMIDITY..........72-87 PERCENT.
* 20-FOOT WINDS.........
* VALLEYS/LWR SLOPES..NORTHEAST WINDS 3 TO 7 MPH.
* RIDGES/UPR SLOPES...NORTHEAST WINDS 3 TO 9 MPH.
* MIXING HEIGHT.........400-1200 FT AGL.
* TRANSPORT WINDS.......NORTHEAST 5 TO 10 MPH.
* CWR (>0.25)...........0 PERCENT.
* CHANCE OF LIGHTNING...0 PERCENT.
TUESDAY
* SKY/WEATHER...........SUNNY. HAZE IN THE MORNING.
* MAX TEMPERATURE.......73-83.
* MIN HUMIDITY..........41-56 PERCENT.
* 20-FOOT WINDS.........
* VALLEYS/LWR SLOPES..EAST WINDS 7 TO 10 MPH. GUSTS UP TO 25 MPH IN
THE MORNING.
* RIDGES/UPR SLOPES...EAST WINDS 7 TO 10 MPH. GUSTS UP TO 25 MPH IN
THE MORNING.
* MIXING HEIGHT.........600 FT AGL INCREASING TO 2600 FT AGL IN THE
AFTERNOON.
* TRANSPORT WINDS.......EAST 15 TO 20 MPH.
* CWR (>0.25)...........0 PERCENT.
* CHANCE OF LIGHTNING...0 PERCENT.
TUESDAY NIGHT
MOSTLY CLEAR. LOWS IN THE MID 50S. SOUTH WINDS
AROUND 3 MPH IN THE EVENING BECOMING LIGHT.
WEDNESDAY
MOSTLY SUNNY. HIGHS 68 TO 78. WEST WINDS 3 TO 6 MPH.
WEDNESDAY NIGHT
PARTLY CLOUDY. LOWS IN THE LOWER 50S. NORTHWEST
WINDS 4 TO 7 MPH.
THURSDAY
MOSTLY SUNNY. HIGHS 68 TO 78. LIGHT WINDS BECOMING WEST
AROUND 3 MPH IN THE AFTERNOON.
THURSDAY NIGHT
MOSTLY CLEAR. LOWS IN THE LOWER 50S. LIGHT WINDS.
FRIDAY
MOSTLY SUNNY. HIGHS 71 TO 81. LIGHT WINDS.
SATURDAY
MOSTLY CLOUDY. LOWS IN THE MID 50S. HIGHS 67 TO 77.
SUNDAY
MOSTLY CLOUDY WITH A CHANCE OF RAIN. LOWS IN THE MID 50S.
HIGHS 64 TO 74 VALLEYS...IN THE LOWER 60S RIDGES.
.8 TO 14 DAY OUTLOOK FOR SEP 22 - 28 2025
NEAR NORMAL TEMPERATURES AND ABOVE NORMAL PRECIPITATION.
WAZ652-152330-
WEST PORTION OF THE OLYMPIC MOUNTAINS-
641 AM PDT MON SEP 15 2025
TODAY
* SKY/WEATHER...........MOSTLY SUNNY.
* MAX TEMPERATURE.......60-70...EXCEPT 56-66 RIDGES.
* MIN HUMIDITY..........51-66 PERCENT.
* 20-FOOT WINDS.........
* VALLEYS/LWR SLOPES..UPSLOPE/UPVALLEY 2 TO 3 MPH.
* RIDGES/UPR SLOPES...NORTHEAST WINDS AROUND 3 MPH SHIFTING TO THE
WEST IN THE AFTERNOON.
* MIXING HEIGHT.........800-1800 FT AGL.
* TRANSPORT WINDS.......NORTH AROUND 5 MPH.
* CWR (>0.25)...........0 PERCENT.
* CHANCE OF LIGHTNING...0 PERCENT.
* FREEZING LEVEL........13000 FEET.
TONIGHT
* SKY/WEATHER...........MOSTLY CLEAR. HAZE AFTER MIDNIGHT.
* MIN TEMPERATURE.......46-56.
* MAX HUMIDITY..........58-73 PERCENT.
* 20-FOOT WINDS.........
* VALLEYS/LWR SLOPES..EAST WINDS 4 TO 8 MPH.
* RIDGES/UPR SLOPES...EAST WINDS 4 TO 8 MPH GUSTS TO 15 MPH.
* MIXING HEIGHT.........300-700 FT AGL.
* TRANSPORT WINDS.......EAST 5 TO 10 MPH.
* CWR (>0.25)...........0 PERCENT.
* CHANCE OF LIGHTNING...0 PERCENT.
* FREEZING LEVEL........14500 FEET.
TUESDAY
* SKY/WEATHER...........SUNNY.
* MAX TEMPERATURE.......72-82...EXCEPT 68-78 RIDGES.
* MIN HUMIDITY..........36-51 PERCENT.
* 20-FOOT WINDS.........
* VALLEYS/LWR SLOPES..SOUTHEAST WINDS 6 TO 9 MPH.
* RIDGES/UPR SLOPES...SOUTHEAST WINDS 6 TO 9 MPH GUSTS TO 20 MPH.
* MIXING HEIGHT.........400 FT AGL INCREASING TO 2500 FT AGL IN THE
AFTERNOON.
* TRANSPORT WINDS.......SOUTHEAST AROUND 15 MPH.
* CWR (>0.25)...........0 PERCENT.
* CHANCE OF LIGHTNING...0 PERCENT.
* FREEZING LEVEL........15500 FEET.
TUESDAY NIGHT
CLEAR. FREEZING LEVEL 14500 FEET. LOWS IN THE MID
50S. SOUTHEAST WINDS 3 TO 6 MPH.
WEDNESDAY
SUNNY. FREEZING LEVEL 13500 FEET. HIGHS 62 TO 72. SOUTH
WINDS AROUND 5 MPH SHIFTING TO THE WEST IN THE AFTERNOON.
WEDNESDAY NIGHT
PARTLY CLOUDY. FREEZING LEVEL 13000 FEET. LOWS IN
THE LOWER 50S. NORTHWEST WINDS 3 TO 5 MPH.
THURSDAY
SUNNY. FREEZING LEVEL 13000 FEET. HIGHS 63 TO 73.
NORTHEAST WINDS AROUND 3 MPH SHIFTING TO THE WEST AROUND 4 MPH IN
THE AFTERNOON.
THURSDAY NIGHT
MOSTLY CLEAR. FREEZING LEVEL 13500 FEET. LOWS IN
THE MID 50S. NORTH WINDS AROUND 3 MPH.
FRIDAY
SUNNY. FREEZING LEVEL 14000 FEET. HIGHS 66 TO 76. NORTH
WINDS AROUND 3 MPH.
SATURDAY
PARTLY CLOUDY. SLIGHT CHANCE OF RAIN. FREEZING LEVEL
13000 FEET. LOWS IN THE MID 50S. HIGHS 62 TO 72.
SUNDAY
MOSTLY CLOUDY. CHANCE OF RAIN. FREEZING LEVEL 11000 FEET.
LOWS IN THE MID 50S. HIGHS 56 TO 66.
.8 TO 14 DAY OUTLOOK FOR SEP 22 - 28 2025
NEAR NORMAL TEMPERATURES AND ABOVE NORMAL PRECIPITATION.
WAZ661-152330-
EAST PORTION OF THE OLYMPIC MOUNTAINS-
641 AM PDT MON SEP 15 2025
TODAY
* SKY/WEATHER...........SUNNY.
* MAX TEMPERATURE.......59-69...EXCEPT 55-65 RIDGES.
* MIN HUMIDITY..........52-67 PERCENT.
* 20-FOOT WINDS.........
* VALLEYS/LWR SLOPES..UPSLOPE/UPVALLEY AROUND 3 MPH.
* RIDGES/UPR SLOPES...NORTHEAST WINDS 3 TO 5 MPH.
* MIXING HEIGHT.........800-1800 FT AGL.
* TRANSPORT WINDS.......NORTHEAST AROUND 5 MPH.
* CWR (>0.25)...........0 PERCENT.
* CHANCE OF LIGHTNING...0 PERCENT.
* FREEZING LEVEL........13000 FEET.
TONIGHT
* SKY/WEATHER...........MOSTLY CLEAR. HAZE AFTER MIDNIGHT.
* MIN TEMPERATURE.......45-55.
* MAX HUMIDITY..........64-79 PERCENT...EXCEPT 54-69 PERCENT
RIDGES.
* 20-FOOT WINDS.........
* VALLEYS/LWR SLOPES..EAST WINDS 4 TO 7 MPH.
* RIDGES/UPR SLOPES...EAST WINDS 4 TO 8 MPH GUSTS TO 15 MPH.
* MIXING HEIGHT.........400-700 FT AGL.
* TRANSPORT WINDS.......EAST 5 TO 10 MPH.
* CWR (>0.25)...........0 PERCENT.
* CHANCE OF LIGHTNING...0 PERCENT.
* FREEZING LEVEL........15000 FEET.
TUESDAY
* SKY/WEATHER...........SUNNY. HAZE IN THE MORNING.
* MAX TEMPERATURE.......72-82...EXCEPT 66-76 RIDGES.
* MIN HUMIDITY..........39-54 PERCENT.
* 20-FOOT WINDS.........
* VALLEYS/LWR SLOPES..EAST WINDS 6 TO 9 MPH.
* RIDGES/UPR SLOPES...EAST WINDS 6 TO 9 MPH GUSTS TO 15 MPH.
* MIXING HEIGHT.........800-1800 FT AGL.
* TRANSPORT WINDS.......SOUTHEAST AROUND 15 MPH.
* CWR (>0.25)...........0 PERCENT.
* CHANCE OF LIGHTNING...0 PERCENT.
* FREEZING LEVEL........15500 FEET.
TUESDAY NIGHT
CLEAR. FREEZING LEVEL 15000 FEET. LOWS IN THE MID
50S. SOUTHEAST WINDS AROUND 4 MPH SHIFTING TO THE SOUTHWEST AROUND
6 MPH AFTER MIDNIGHT.
WEDNESDAY
SUNNY. FREEZING LEVEL 13500 FEET. HIGHS 65 TO
75 VALLEYS...59 TO 69 RIDGES. WEST WINDS 4 TO 7 MPH.
WEDNESDAY NIGHT
PARTLY CLOUDY. FREEZING LEVEL 13500 FEET. LOWS
47 TO 57. NORTHWEST WINDS 3 TO 5 MPH.
THURSDAY
SUNNY. FREEZING LEVEL 13000 FEET. HIGHS 64 TO
74 VALLEYS...58 TO 68 RIDGES. NORTHWEST WINDS 3 TO 5 MPH.
THURSDAY NIGHT
MOSTLY CLEAR. FREEZING LEVEL 13500 FEET. LOWS
48 TO 58. NORTHWEST WINDS AROUND 3 MPH.
FRIDAY...SUNNY. FREEZING LEVEL 14000 FEET. HIGHS 68 TO 78 VALLEYS
61 TO 71 RIDGES. NORTH WINDS AROUND 3 MPH.
SATURDAY
PARTLY CLOUDY. SLIGHT CHANCE OF RAIN. FREEZING LEVEL
13000 FEET. LOWS IN THE MID 50S. HIGHS 65 TO 75 VALLEYS...59 TO
69 RIDGES.
SUNDAY
MOSTLY CLOUDY. CHANCE OF RAIN. FREEZING LEVEL 11000 FEET.
LOWS IN THE LOWER 50S. HIGHS 60 TO 70 VALLEYS...54 TO 64 RIDGES.
.8 TO 14 DAY OUTLOOK FOR SEP 22 - 28 2025
NEAR NORMAL TEMPERATURES AND ABOVE NORMAL PRECIPITATION.
WAZ653-152330-
STRAIT OF JUAN DE FUCA AND NORTHWEST INTERIOR LOWLANDS-
641 AM PDT MON SEP 15 2025
TODAY
* SKY/WEATHER...........MOSTLY SUNNY.
* MAX TEMPERATURE.......60-70.
* MIN HUMIDITY..........63-78 PERCENT.
* 20-FOOT WINDS.........SOUTHWEST WINDS AROUND 3 MPH SHIFTING TO
THE NORTHWEST AROUND 4 MPH IN THE AFTERNOON.
* MIXING HEIGHT.........700-1300 FT AGL.
* TRANSPORT WINDS.......SOUTHWEST AROUND 5 MPH SHIFTING TO THE
NORTHWEST IN THE AFTERNOON.
* CWR (>0.25)...........0 PERCENT.
* CHANCE OF LIGHTNING...0 PERCENT.
TONIGHT
* SKY/WEATHER...........PARTLY CLOUDY.
* MIN TEMPERATURE.......47-57.
* MAX HUMIDITY..........74-89 PERCENT.
* 20-FOOT WINDS.........NORTH WINDS 3 TO 5 MPH.
* MIXING HEIGHT.........500-600 FT AGL.
* TRANSPORT WINDS.......NORTH AROUND 5 MPH.
* CWR (>0.25)...........0 PERCENT.
* CHANCE OF LIGHTNING...0 PERCENT.
TUESDAY
* SKY/WEATHER...........MOSTLY SUNNY. HAZE.
* MAX TEMPERATURE.......72-82.
* MIN HUMIDITY..........49-64 PERCENT.
* 20-FOOT WINDS.........NORTHEAST WINDS 3 TO 6 MPH.
* MIXING HEIGHT.........500-1100 FT AGL.
* TRANSPORT WINDS.......EAST 5 TO 10 MPH.
* CWR (>0.25)...........0 PERCENT.
* CHANCE OF LIGHTNING...0 PERCENT.
TUESDAY NIGHT
CLEAR. LOWS IN THE MID 50S. NORTHEAST WINDS AROUND
3 MPH SHIFTING TO THE SOUTH AFTER MIDNIGHT.
WEDNESDAY
SUNNY. HIGHS 67 TO 77. SOUTH WINDS AROUND 5 MPH
SHIFTING TO THE WEST AROUND 6 MPH IN THE AFTERNOON.
WEDNESDAY NIGHT
PARTLY CLOUDY. LOWS IN THE LOWER 50S. WEST WINDS
5 TO 8 MPH.
THURSDAY
MOSTLY SUNNY. HIGHS 64 TO 74. NORTHWEST WINDS 5 TO
8 MPH.
THURSDAY NIGHT
MOSTLY CLEAR. LOWS IN THE LOWER 50S. NORTHWEST
WINDS AROUND 3 MPH.
FRIDAY
SUNNY. HIGHS 67 TO 77. NORTH WINDS AROUND 3 MPH.
SATURDAY
PARTLY CLOUDY. SLIGHT CHANCE OF RAIN. LOWS IN THE MID
50S. HIGHS 66 TO 76.
SUNDAY
MOSTLY CLOUDY WITH A CHANCE OF RAIN. LOWS IN THE MID 50S.
HIGHS 64 TO 74.
.8 TO 14 DAY OUTLOOK FOR SEP 22 - 28 2025
NEAR NORMAL TEMPERATURES AND ABOVE NORMAL PRECIPITATION.
WAZ654-152330-
CENTRAL AND SOUTH PUGET SOUND LOWLANDS-
641 AM PDT MON SEP 15 2025
TODAY
* SKY/WEATHER...........MOSTLY SUNNY.
* MAX TEMPERATURE.......59-69.
* MIN HUMIDITY..........59-74 PERCENT.
* 20-FOOT WINDS.........LIGHT WINDS BECOMING NORTHEAST AROUND 6 MPH
IN THE AFTERNOON.
* MIXING HEIGHT.........900 FT AGL INCREASING TO 2900 FT AGL IN THE
AFTERNOON.
* TRANSPORT WINDS.......NORTHEAST 5 TO 10 MPH.
* CWR (>0.25)...........0 PERCENT.
* CHANCE OF LIGHTNING...0 PERCENT.
TONIGHT
* SKY/WEATHER...........MOSTLY CLEAR.
* MIN TEMPERATURE.......48-58.
* MAX HUMIDITY..........70-85 PERCENT.
* 20-FOOT WINDS.........NORTHEAST WINDS 5 TO 8 MPH.
* MIXING HEIGHT.........500-1100 FT AGL.
* TRANSPORT WINDS.......NORTH AROUND 10 MPH.
* CWR (>0.25)...........0 PERCENT.
* CHANCE OF LIGHTNING...0 PERCENT.
TUESDAY
* SKY/WEATHER...........SUNNY. HAZE IN THE MORNING.
* MAX TEMPERATURE.......74-84.
* MIN HUMIDITY..........38-53 PERCENT.
* 20-FOOT WINDS.........NORTHEAST WINDS 5 TO 8 MPH.
* MIXING HEIGHT.........1000-2000 FT AGL.
* TRANSPORT WINDS.......NORTHEAST AROUND 10 MPH SHIFTING TO THE
EAST IN THE AFTERNOON.
* CWR (>0.25)...........0 PERCENT.
* CHANCE OF LIGHTNING...0 PERCENT.
TUESDAY NIGHT
CLEAR. LOWS 52 TO 62. NORTH WINDS AROUND 4 MPH
SHIFTING TO THE SOUTHWEST AROUND 5 MPH AFTER MIDNIGHT.
WEDNESDAY
SUNNY. HIGHS IN THE MID 70S. SOUTHWEST WINDS AROUND
4 MPH SHIFTING TO THE NORTHWEST AROUND 5 MPH IN THE AFTERNOON.
WEDNESDAY NIGHT
MOSTLY CLEAR. LOWS IN THE MID 50S. NORTH WINDS
4 TO 7 MPH.
THURSDAY
MOSTLY SUNNY. HIGHS 67 TO 77. NORTH WINDS 3 TO 6 MPH.
THURSDAY NIGHT
MOSTLY CLEAR. LOWS IN THE MID 50S. NORTH WINDS
AROUND 3 MPH.
FRIDAY
MOSTLY SUNNY. HIGHS 70 TO 80. NORTH WINDS AROUND 3 MPH.
SATURDAY
PARTLY CLOUDY. LOWS IN THE MID 50S. HIGHS IN THE MID
70S.
SUNDAY
MOSTLY CLOUDY WITH A CHANCE OF RAIN. LOWS IN THE MID 50S.
HIGHS AROUND 70.
.8 TO 14 DAY OUTLOOK FOR SEP 22 - 28 2025
NEAR NORMAL TEMPERATURES AND ABOVE NORMAL PRECIPITATION.
WAZ655-152330-
BLACK HILLS AND SOUTHWEST INTERIOR LOWLANDS-
641 AM PDT MON SEP 15 2025
...FIRE WEATHER WATCH IN EFFECT FROM LATE TONIGHT THROUGH TUESDAY
EVENING...
TODAY
* SKY/WEATHER...........MOSTLY SUNNY.
* MAX TEMPERATURE.......64-74.
* MIN HUMIDITY..........52-67 PERCENT.
* 20-FOOT WINDS.........LIGHT WINDS BECOMING NORTHEAST AROUND 4 MPH
IN THE AFTERNOON.
* MIXING HEIGHT.........900 FT AGL INCREASING TO 3200 FT AGL IN THE
AFTERNOON.
* TRANSPORT WINDS.......NORTHEAST 5 TO 10 MPH.
* CWR (>0.25)...........0 PERCENT.
* CHANCE OF LIGHTNING...0 PERCENT.
TONIGHT
* SKY/WEATHER...........MOSTLY CLEAR.
* MIN TEMPERATURE.......48-58.
* MAX HUMIDITY..........72-87 PERCENT.
* 20-FOOT WINDS.........NORTHEAST WINDS 4 TO 7 MPH.
* MIXING HEIGHT.........600-1400 FT AGL.
* TRANSPORT WINDS.......NORTHEAST AROUND 10 MPH.
* CWR (>0.25)...........0 PERCENT.
* CHANCE OF LIGHTNING...0 PERCENT.
TUESDAY
* SKY/WEATHER...........SUNNY. HAZE IN THE MORNING.
* MAX TEMPERATURE.......78-88.
* MIN HUMIDITY..........33-48 PERCENT.
* 20-FOOT WINDS.........EAST WINDS 5 TO 8 MPH WITH GUSTS TO 15 MPH.
* MIXING HEIGHT.........700 FT AGL INCREASING TO 2800 FT AGL IN THE
AFTERNOON.
* TRANSPORT WINDS.......EAST 10 TO 15 MPH.
* CWR (>0.25)...........0 PERCENT.
* CHANCE OF LIGHTNING...0 PERCENT.
TUESDAY NIGHT
CLEAR. LOWS 50 TO 60. LIGHT WINDS BECOMING
SOUTHWEST AROUND 3 MPH AFTER MIDNIGHT.
WEDNESDAY
SUNNY. HIGHS IN THE UPPER 70S. WEST WINDS 3 TO 6 MPH.
WEDNESDAY NIGHT
PARTLY CLOUDY. LOWS 48 TO 58. NORTHWEST WINDS
3 TO 5 MPH.
THURSDAY
MOSTLY SUNNY. HIGHS 71 TO 81. NORTH WINDS 3 TO 6 MPH.
THURSDAY NIGHT
MOSTLY CLEAR. LOWS 48 TO 58. NORTH WINDS AROUND
3 MPH.
FRIDAY
MOSTLY SUNNY. HIGHS 74 TO 84. NORTH WINDS AROUND 3 MPH.
SATURDAY
PARTLY CLOUDY. LOWS 50 TO 60. HIGHS IN THE MID 70S.
SUNDAY
MOSTLY CLOUDY. CHANCE OF RAIN. LOWS IN THE MID 50S. HIGHS
IN THE LOWER 70S.
.8 TO 14 DAY OUTLOOK FOR SEP 22 - 28 2025
NEAR NORMAL TEMPERATURES AND ABOVE NORMAL PRECIPITATION.
WAZ656-152330-
NORTHEAST PUGET SOUND LOWLANDS GENERALLY BELOW 1500 FEET-
641 AM PDT MON SEP 15 2025
...FIRE WEATHER WATCH IN EFFECT FROM LATE TONIGHT THROUGH TUESDAY
EVENING...
TODAY
* SKY/WEATHER...........MOSTLY SUNNY.
* MAX TEMPERATURE.......60-70.
* MIN HUMIDITY..........62-77 PERCENT.
* 20-FOOT WINDS.........LIGHT WINDS BECOMING NORTHWEST AROUND 3 MPH
IN THE AFTERNOON.
* MIXING HEIGHT.........1800-2800 FT AGL.
* TRANSPORT WINDS.......NORTHWEST AROUND 5 MPH.
* CWR (>0.25)...........0 PERCENT.
* CHANCE OF LIGHTNING...0 PERCENT.
TONIGHT
* SKY/WEATHER...........PARTLY CLOUDY. HAZE AFTER MIDNIGHT.
* MIN TEMPERATURE.......49-59.
* MAX HUMIDITY..........75-90 PERCENT.
* 20-FOOT WINDS.........NORTHWEST WINDS AROUND 3 MPH SHIFTING TO
THE NORTHEAST AROUND 4 MPH AFTER MIDNIGHT.
* MIXING HEIGHT.........900-1400 FT AGL.
* TRANSPORT WINDS.......NORTH AROUND 5 MPH SHIFTING TO THE
NORTHEAST AFTER MIDNIGHT.
* CWR (>0.25)...........0 PERCENT.
* CHANCE OF LIGHTNING...0 PERCENT.
TUESDAY
* SKY/WEATHER...........MOSTLY SUNNY. HAZE.
* MAX TEMPERATURE.......74-84.
* MIN HUMIDITY..........37-52 PERCENT.
* 20-FOOT WINDS.........EAST WINDS 4 TO 7 MPH GUSTS TO 15 MPH.
* MIXING HEIGHT.........1000 FT AGL INCREASING TO 3500 FT AGL IN
THE AFTERNOON.
* TRANSPORT WINDS.......EAST 10 TO 15 MPH.
* CWR (>0.25)...........0 PERCENT.
* CHANCE OF LIGHTNING...0 PERCENT.
TUESDAY NIGHT
CLEAR. LOWS IN THE UPPER 50S. EAST WINDS 4 TO
7 MPH.
WEDNESDAY
SUNNY. HIGHS 71 TO 81. SOUTHEAST WINDS AROUND 5 MPH
SHIFTING TO THE WEST IN THE AFTERNOON.
WEDNESDAY NIGHT
PARTLY CLOUDY. LOWS 49 TO 59. WEST WINDS AROUND
4 MPH SHIFTING TO THE NORTH AROUND 3 MPH AFTER MIDNIGHT.
THURSDAY
MOSTLY SUNNY. HIGHS 69 TO 79. LIGHT WINDS BECOMING
NORTHWEST AROUND 5 MPH IN THE AFTERNOON.
THURSDAY NIGHT
MOSTLY CLEAR. LOWS 49 TO 59. LIGHT WINDS.
FRIDAY
MOSTLY SUNNY. HIGHS 73 TO 83. LIGHT WINDS.
SATURDAY
PARTLY CLOUDY. LOWS 52 TO 62. HIGHS 71 TO 81.
SUNDAY
MOSTLY CLOUDY WITH A CHANCE OF RAIN. LOWS IN THE MID 50S.
HIGHS 65 TO 75.
.8 TO 14 DAY OUTLOOK FOR SEP 22 - 28 2025
NEAR NORMAL TEMPERATURES AND ABOVE NORMAL PRECIPITATION.
WAZ657-152330-
SOUTHEAST PUGET SOUND LOWLANDS GENERALLY BELOW 1500 FEET-
641 AM PDT MON SEP 15 2025
...FIRE WEATHER WATCH IN EFFECT FROM LATE TONIGHT THROUGH TUESDAY
EVENING...
TODAY
* SKY/WEATHER...........MOSTLY SUNNY.
* MAX TEMPERATURE.......63-73.
* MIN HUMIDITY..........58-73 PERCENT.
* 20-FOOT WINDS.........LIGHT WINDS BECOMING NORTH AROUND 4 MPH IN
THE AFTERNOON.
* MIXING HEIGHT.........1200 FT AGL INCREASING TO 3300 FT AGL IN
THE AFTERNOON.
* TRANSPORT WINDS.......NORTHEAST 5 TO 10 MPH.
* CWR (>0.25)...........0 PERCENT.
* CHANCE OF LIGHTNING...0 PERCENT.
TONIGHT
* SKY/WEATHER...........MOSTLY CLEAR. HAZE AFTER MIDNIGHT.
* MIN TEMPERATURE.......48-58.
* MAX HUMIDITY..........75-90 PERCENT.
* 20-FOOT WINDS.........NORTHEAST WINDS 3 TO 5 MPH.
* MIXING HEIGHT.........500-1300 FT AGL.
* TRANSPORT WINDS.......NORTHEAST AROUND 5 MPH.
* CWR (>0.25)...........0 PERCENT.
* CHANCE OF LIGHTNING...0 PERCENT.
TUESDAY
* SKY/WEATHER...........SUNNY. HAZE IN THE MORNING.
* MAX TEMPERATURE.......78-88.
* MIN HUMIDITY..........33-48 PERCENT.
* 20-FOOT WINDS.........EAST WINDS 4 TO 7 MPH GUSTS TO 15 TO 20 MPH
MAINLY ACROSS CENTRAL AND NORTHERN KING
COUNTY.
* MIXING HEIGHT.........700 FT AGL INCREASING TO 3000 FT AGL IN THE
AFTERNOON.
* TRANSPORT WINDS.......EAST 10 TO 15 MPH.
* CWR (>0.25)...........0 PERCENT.
* CHANCE OF LIGHTNING...0 PERCENT.
TUESDAY NIGHT
CLEAR. LOWS IN THE UPPER 50S. SOUTHEAST WINDS 3 TO
6 MPH.
WEDNESDAY
SUNNY. HIGHS IN THE UPPER 70S. SOUTH WINDS AROUND 3 MPH
SHIFTING TO THE WEST AROUND 4 MPH IN THE AFTERNOON.
WEDNESDAY NIGHT
MOSTLY CLEAR. LOWS 49 TO 59. NORTH WINDS 3 TO
5 MPH.
THURSDAY
MOSTLY SUNNY. HIGHS IN THE LOWER 70S. LIGHT WINDS
BECOMING NORTH AROUND 5 MPH IN THE AFTERNOON.
THURSDAY NIGHT
PARTLY CLOUDY. LOWS IN THE MID 50S. LIGHT WINDS.
FRIDAY
MOSTLY SUNNY. HIGHS IN THE UPPER 70S. LIGHT WINDS.
SATURDAY
PARTLY CLOUDY. LOWS IN THE UPPER 50S. HIGHS IN THE UPPER
70S.
SUNDAY
MOSTLY CLOUDY. CHANCE OF RAIN. LOWS IN THE MID 50S. HIGHS
IN THE LOWER 70S.
.8 TO 14 DAY OUTLOOK FOR SEP 22 - 28 2025
NEAR NORMAL TEMPERATURES AND ABOVE NORMAL PRECIPITATION.
WAZ658-152330-
WEST SLOPES OF THE NORTH CASCADES GENERALLY ABOVE 1500 FEET-
641 AM PDT MON SEP 15 2025
...FIRE WEATHER WATCH IN EFFECT FROM LATE TONIGHT THROUGH TUESDAY
EVENING...
TODAY
* SKY/WEATHER...........MOSTLY SUNNY.
* MAX TEMPERATURE.......62-72...EXCEPT 57-67 RIDGES.
* MIN HUMIDITY..........61-76 PERCENT.
* 20-FOOT WINDS.........
* VALLEYS/LWR SLOPES..UPSLOPE/UPVALLEY 2 TO 3 MPH.
* RIDGES/UPR SLOPES...NORTHWEST WINDS 3 TO 5 MPH.
* MIXING HEIGHT.........1000-2000 FT AGL.
* TRANSPORT WINDS.......NORTH AROUND 5 MPH.
* CWR (>0.25)...........0 PERCENT.
* CHANCE OF LIGHTNING...1 PERCENT.
* FREEZING LEVEL........12000 FEET.
TONIGHT
* SKY/WEATHER...........MOSTLY CLEAR. HAZE AFTER MIDNIGHT.
* MIN TEMPERATURE.......48-58...EXCEPT 44-54 RIDGES.
* MAX HUMIDITY..........75-90 PERCENT...EXCEPT 69-84 PERCENT
RIDGES.
* 20-FOOT WINDS.........
* VALLEYS/LWR SLOPES..EAST WINDS 3 TO 9 MPH GUSTS TO 15 MPH.
* RIDGES/UPR SLOPES...EAST WINDS 5 TO 10 MPH GUSTS TO 20 MPH.
* MIXING HEIGHT.........500-900 FT AGL.
* TRANSPORT WINDS.......EAST 5 TO 10 MPH.
* CWR (>0.25)...........0 PERCENT.
* CHANCE OF LIGHTNING...0 PERCENT.
* FREEZING LEVEL........14500 FEET.
TUESDAY
* SKY/WEATHER...........SUNNY. HAZE.
* MAX TEMPERATURE.......71-81...EXCEPT 64-74 RIDGES.
* MIN HUMIDITY..........41-56 PERCENT.
* 20-FOOT WINDS.........
* VALLEYS/LWR SLOPES..EAST WINDS 7 TO 10 MPH GUSTS TO 20 MPH.
* RIDGES/UPR SLOPES...EAST WINDS 10 TO 15 MPH WITH GUSTS TO AROUND
30-40 MPH.
* MIXING HEIGHT.........1100-2100 FT AGL.
* TRANSPORT WINDS.......SOUTHEAST 15 TO 20 MPH.
* CWR (>0.25)...........0 PERCENT.
* CHANCE OF LIGHTNING...0 PERCENT.
* FREEZING LEVEL........15000 FEET.
TUESDAY NIGHT
CLEAR. FREEZING LEVEL 15000 FEET. LOWS 50 TO 60.
EAST WINDS 7 TO 10 MPH.
WEDNESDAY
SUNNY. FREEZING LEVEL 14000 FEET. HIGHS 68 TO
78 VALLEYS...62 TO 72 RIDGES. EAST WINDS AROUND 6 MPH SHIFTING TO
THE SOUTHWEST AROUND 5 MPH IN THE AFTERNOON.
WEDNESDAY NIGHT
PARTLY CLOUDY. FREEZING LEVEL 13500 FEET. LOWS
47 TO 57. WEST WINDS AROUND 4 MPH SHIFTING TO THE NORTH AROUND 3 MPH
AFTER MIDNIGHT.
THURSDAY
MOSTLY SUNNY. FREEZING LEVEL 13000 FEET. HIGHS 67 TO
77 VALLEYS...61 TO 71 RIDGES. NORTHEAST WINDS AROUND 3 MPH SHIFTING
TO THE WEST AROUND 4 MPH IN THE AFTERNOON.
THURSDAY NIGHT
MOSTLY CLEAR. FREEZING LEVEL 13000 FEET. LOWS
48 TO 58. NORTHWEST WINDS AROUND 4 MPH.
FRIDAY...SUNNY. FREEZING LEVEL 13500 FEET. HIGHS 71 TO 81 VALLEYS
65 TO 75 RIDGES. NORTH WINDS AROUND 3 MPH.
SATURDAY
PARTLY CLOUDY. FREEZING LEVEL 13500 FEET. LOWS 50 TO 60.
HIGHS 67 TO 77 VALLEYS...61 TO 71 RIDGES.
SUNDAY
MOSTLY CLOUDY. CHANCE OF RAIN. FREEZING LEVEL 11000 FEET.
LOWS 47 TO 57. HIGHS 60 TO 70 VALLEYS...53 TO 63 RIDGES.
.8 TO 14 DAY OUTLOOK FOR SEP 22 - 28 2025
NEAR NORMAL TEMPERATURES AND ABOVE NORMAL PRECIPITATION.
WAZ659-152330-
WEST SLOPES OF THE CENTRAL CASCADES GENERALLY ABOVE 1500 FEET-
641 AM PDT MON SEP 15 2025
...FIRE WEATHER WATCH IN EFFECT FROM LATE TONIGHT THROUGH TUESDAY
EVENING...
TODAY
* SKY/WEATHER...........MOSTLY SUNNY. AREAS OF FOG IN THE MORNING.
* MAX TEMPERATURE.......63-73...EXCEPT 56-66 RIDGES.
* MIN HUMIDITY..........56-71 PERCENT...EXCEPT 50-65 PERCENT
RIDGES.
* 20-FOOT WINDS.........
* VALLEYS/LWR SLOPES..UPSLOPE/UPVALLEY 1 TO 3 MPH.
* RIDGES/UPR SLOPES...LIGHT WINDS BECOMING NORTH AROUND 3 MPH IN
THE AFTERNOON.
* MIXING HEIGHT.........1100-2100 FT AGL.
* TRANSPORT WINDS.......NORTH AROUND 5 MPH.
* CWR (>0.25)...........0 PERCENT.
* CHANCE OF LIGHTNING...0 PERCENT.
* FREEZING LEVEL........12500 FEET.
TONIGHT
* SKY/WEATHER...........MOSTLY CLEAR. HAZE AFTER MIDNIGHT.
* MIN TEMPERATURE.......46-56.
* MAX HUMIDITY..........69-84 PERCENT...EXCEPT 59-74 PERCENT
RIDGES.
* 20-FOOT WINDS.........
* VALLEYS/LWR SLOPES..EAST WINDS 4 TO 10 MPH GUSTS TO 15 MPH.
* RIDGES/UPR SLOPES...EAST WINDS 4 TO 11 MPH. GUSTS UP TO 25 MPH
AFTER MIDNIGHT.
* MIXING HEIGHT.........500-900 FT AGL.
* TRANSPORT WINDS.......EAST AROUND 5 MPH INCREASING TO AROUND 15
MPH AFTER MIDNIGHT.
* CWR (>0.25)...........0 PERCENT.
* CHANCE OF LIGHTNING...0 PERCENT.
* FREEZING LEVEL........15000 FEET.
TUESDAY
* SKY/WEATHER...........SUNNY.
* MAX TEMPERATURE.......74-84...EXCEPT 63-73 RIDGES.
* MIN HUMIDITY..........35-50 PERCENT.
* 20-FOOT WINDS.........
* VALLEYS/LWR SLOPES..EAST WINDS 10 TO 15 MPH WITH GUSTS TO AROUND
20-30 MPH.
* RIDGES/UPR SLOPES...EAST WINDS 15 TO 20 MPH WITH GUSTS TO AROUND
30 TO 40 MPH.
* MIXING HEIGHT.........1300-2300 FT AGL.
* TRANSPORT WINDS.......SOUTHEAST AROUND 20 MPH.
* CWR (>0.25)...........0 PERCENT.
* CHANCE OF LIGHTNING...0 PERCENT.
* FREEZING LEVEL........15500 FEET.
TUESDAY NIGHT
CLEAR. FREEZING LEVEL 15000 FEET. LOWS 50 TO 60.
SOUTHEAST WINDS 6 TO 9 MPH.
WEDNESDAY
SUNNY. FREEZING LEVEL 14000 FEET. HIGHS 70 TO
80 VALLEYS...65 TO 75 RIDGES. SOUTHEAST WINDS AROUND 5 MPH SHIFTING
TO THE WEST AROUND 4 MPH IN THE AFTERNOON.
WEDNESDAY NIGHT
PARTLY CLOUDY. FREEZING LEVEL 14000 FEET. LOWS
47 TO 57. NORTHWEST WINDS 3 TO 5 MPH.
THURSDAY
MOSTLY SUNNY. FREEZING LEVEL 13500 FEET. HIGHS 68 TO
78 VALLEYS...62 TO 72 RIDGES. NORTH WINDS AROUND 3 MPH SHIFTING TO
THE NORTHWEST AROUND 4 MPH IN THE AFTERNOON.
THURSDAY NIGHT
PARTLY CLOUDY. FREEZING LEVEL 13500 FEET. LOWS
49 TO 59. NORTH WINDS AROUND 3 MPH.
FRIDAY
MOSTLY SUNNY. FREEZING LEVEL 13500 FEET. HIGHS 72 TO
82 VALLEYS...67 TO 77 RIDGES. NORTH WINDS AROUND 3 MPH.
SATURDAY
PARTLY CLOUDY. FREEZING LEVEL 13500 FEET. LOWS 51 TO 61.
HIGHS 69 TO 79 VALLEYS...62 TO 72 RIDGES.
SUNDAY
MOSTLY CLOUDY. CHANCE OF RAIN. FREEZING LEVEL 11500 FEET.
LOWS 47 TO 57. HIGHS 62 TO 72 VALLEYS...55 TO 65 RIDGES.
.8 TO 14 DAY OUTLOOK FOR SEP 22 - 28 2025
NEAR NORMAL TEMPERATURES AND ABOVE NORMAL PRECIPITATION.
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