Routine Fire Wx Fcst (With/Without 6-10 Day Outlook)
Issued by NWS Seattle/Tacoma, WA

Home |  Current Version |  Previous Version |  Text Only |  Print | Product List |  Glossary On
Versions: 1 2
855
FNUS56 KSEW 181058
FWFSEW

Fire Weather Planning Forecast for Western Washington
National Weather Service Seattle WA
358 AM PDT Fri Apr 18 2025

.DISCUSSION....An upper ridge will maintain dry, warm conditions
today. A weak frontal system will bring showers Friday night
through Saturday. Upper troughing will be over the Pacific
Northwest Sunday into Monday for continued unsettled weather.
Weak troughing on Tuesday with ridging Wednesday into Thursday.

 Forecast for 20 foot wind speed (valleys and ridge tops) are 10
 minute averages reflecting RAWS winds.

WAZ649-182315-
North and Central Coastal Strip-
358 AM PDT Fri Apr 18 2025

.TODAY...
* Sky/weather..........Mostly sunny.
* Chance of precip.....0%.
* Max temperature......53-63.
* Min humidity.........58-73 percent.
* 20-foot winds........
*  Valleys/lwr slopes..Southeast winds around 3 mph shifting to the
   west in the afternoon.
*  Ridges/upr slopes...South winds around 4 mph shifting to the west
   around 8 mph in the afternoon.
* Mixing height........500-1300 ft AGL.
* Transport winds......South around 5 mph shifting to the west in
  the afternoon.

.TONIGHT...
* Sky/weather..........Mostly cloudy. Slight chance of rain showers
  in the evening. Chance of rain showers after midnight.
* Chance of precip.....35%.
* Min temperature......39-49.
* Max humidity.........87-98 percent.
* 20-foot winds........
*  Valleys/lwr slopes..Northwest winds 8 to 11 mph. Gusts up to 25
   mph after midnight.
*  Ridges/upr slopes...Northwest winds 9 to 12 mph.
* Mixing height........1200-1300 ft AGL.
* Transport winds......Northwest 15 to 20 mph.

.SATURDAY...
* Sky/weather..........Mostly sunny.
* Chance of precip.....0%.
* Max temperature......47-57.
* Min humidity.........62-74 percent.
* 20-foot winds........
*  Valleys/lwr slopes..Northwest winds 11 to 14 mph with gusts to
   around 25 mph.
*  Ridges/upr slopes...Northwest winds 11 to 14 mph. Gusts up to 30
   mph in the afternoon.
* Mixing height........2100-3100 ft AGL.
* Transport winds......Northwest around 20 mph.

.SUNDAY...Mostly cloudy with a chance of showers. Lows in the mid
40s. Highs in the mid 50s. West winds 6 to 11 mph.
.MONDAY...Partly cloudy. Slight chance of showers. Lows in the mid
40s. Highs in the mid 50s. Northwest winds 5 to 9 mph.
.TUESDAY...Partly cloudy. Lows in the lower 40s. Highs in the mid
50s. Northwest winds 3 to 6 mph.
.WEDNESDAY...Mostly clear. Lows in the lower 40s. Highs in the upper
50s.
.THURSDAY...Partly cloudy. Lows in the lower 40s. Highs in the upper
50s.

.8 TO 14 day Outlook for Apr 25 - May 01, 2025
Above normal temperatures and above normal precipitation.

$$

WAZ650-182315-
North Coastal Lowlands-
358 AM PDT Fri Apr 18 2025

.TODAY...
* Sky/weather..........Mostly sunny.
* Chance of precip.....0%.
* Max temperature......55-65.
* Min humidity.........48-63 percent...except 42-57 percent ridges.
* 20-foot winds........
*  Valleys/lwr slopes..South winds around 3 mph shifting to the west
   around 7 mph in the afternoon.
*  Ridges/upr slopes...South winds around 3 mph shifting to the west
   around 7 mph in the afternoon.
* Mixing height........1000-2000 ft AGL.
* Transport winds......South around 5 mph shifting to the west in
  the afternoon.

.TONIGHT...
* Sky/weather..........Mostly cloudy. Chance of rain showers.
* Chance of precip.....50%.
* Min temperature......36-46.
* Max humidity.........83-98 percent.
* 20-foot winds........
*  Valleys/lwr slopes..West winds 5 to 8 mph.
*  Ridges/upr slopes...West winds 5 to 8 mph.
* Mixing height........1100-1400 ft AGL.
* Transport winds......Northwest around 10 mph.

.SATURDAY...
* Sky/weather..........Mostly sunny.
* Chance of precip.....0%.
* Max temperature......47-57.
* Min humidity.........58-73 percent.
* 20-foot winds........
*  Valleys/lwr slopes..Northwest winds 6 to 9 mph. Gusts up to 25
   mph in the afternoon.
*  Ridges/upr slopes...Northwest winds 6 to 11 mph. Gusts up to 25
   mph in the afternoon.
* Mixing height........2100-3100 ft AGL.
* Transport winds......Northwest around 10 mph increasing to around
  20 mph in the afternoon.

.SUNDAY...Mostly cloudy with showers likely. Lows in the lower 40s.
Highs 46 to 56. West winds 3 to 8 mph.
.MONDAY...Mostly cloudy. Slight chance of showers. Lows around 40.
Highs 48 to 58. West winds 3 to 6 mph.
.TUESDAY...Partly cloudy. Patchy fog and frost after midnight. Lows
in the upper 30s. Highs 52 to 62. West winds 3 to 4 mph.
.WEDNESDAY...Mostly clear. Patchy fog after midnight. Lows around
40. Highs 55 to 65.
.THURSDAY...Partly cloudy. Slight chance of showers. Lows in the
lower 40s. Highs 55 to 65.

.8 TO 14 day Outlook for Apr 25 - May 01, 2025
Above normal temperatures and above normal precipitation.

$$

WAZ651-182315-
Central Coastal Lowlands-
358 AM PDT Fri Apr 18 2025

.TODAY...
* Sky/weather..........Mostly sunny.
* Chance of precip.....0%.
* Max temperature......59-69.
* Min humidity.........35-48 percent.
* 20-foot winds........
*  Valleys/lwr slopes..Light winds becoming west around 7 mph in the
   afternoon.
*  Ridges/upr slopes...Southeast winds around 3 mph shifting to the
   west in the afternoon.
* Mixing height........1000-2000 ft AGL.
* Transport winds......North around 5 mph shifting to the west in
  the afternoon.

.TONIGHT...
* Sky/weather..........Mostly cloudy. Chance of rain showers.
* Chance of precip.....35%.
* Min temperature......36-46.
* Max humidity.........86-97 percent.
* 20-foot winds........
*  Valleys/lwr slopes..Northwest winds 7 to 10 mph.
*  Ridges/upr slopes...Northwest winds 7 to 10 mph.
* Mixing height........900-1100 ft AGL.
* Transport winds......Northwest around 15 mph.

.SATURDAY...
* Sky/weather..........Mostly sunny.
* Chance of precip.....0%.
* Max temperature......49-59.
* Min humidity.........53-68 percent.
* 20-foot winds........
*  Valleys/lwr slopes..West winds 7 to 11 mph. Gusts up to 25 mph in
   the afternoon.
*  Ridges/upr slopes...West winds 7 to 11 mph. Gusts up to 25 mph in
   the afternoon.
* Mixing height........1900-2900 ft AGL.
* Transport winds......Northwest 15 to 20 mph.

.SUNDAY...Mostly cloudy. Showers likely. Lows in the lower 40s.
Highs in the mid 50s valleys...in the upper 40s ridges. West winds
5 to 10 mph.
.MONDAY...Partly cloudy. Chance of showers. Lows 35 to 45. Highs
51 to 61. West winds 3 to 9 mph.
.TUESDAY...Partly cloudy. Patchy fog after midnight. Patchy frost.
Lows in the upper 30s. Highs 56 to 66 valleys...in the mid 50s
ridges. Northwest winds 3 to 7 mph.
.WEDNESDAY...Mostly clear. Patchy fog and frost after midnight. Lows
in the upper 30s. Highs 59 to 69.
.THURSDAY...Partly cloudy. Lows around 40. Highs 59 to 69.

.8 TO 14 day Outlook for Apr 25 - May 01, 2025
Above normal temperatures and above normal precipitation.

$$

WAZ652-182315-
West Portion of the Olympic Mountains-
358 AM PDT Fri Apr 18 2025

.TODAY...
* Sky/weather..........Mostly sunny.
* Chance of precip.....0%.
* Max temperature......50-60.
* Min humidity.........32-47 percent.
* 20-foot winds........
*  Valleys/lwr slopes..Southwest winds 4 to 7 mph.
*  Ridges/upr slopes...West winds 4 to 7 mph.
* Snow level...........6500 feet.
* Mixing height........700-1700 ft AGL.
* Transport winds......Southwest 5 to 10 mph.

.TONIGHT...
* Sky/weather..........Mostly cloudy. Chance of rain showers.
* Chance of precip.....50%.
* Min temperature......30-40.
* Max humidity.........80-95 percent.
* 20-foot winds........
*  Valleys/lwr slopes..Northwest winds 5 to 8 mph.
*  Ridges/upr slopes...Northwest winds 5 to 8 mph.
* Snow level...........6000 feet.
* Mixing height........500-800 ft AGL.
* Transport winds......Northwest around 10 mph.

.SATURDAY...
* Sky/weather..........Mostly sunny. Slight chance of rain showers
  and snow showers in the morning.
* Chance of precip.....10%.
* Max temperature......41-51.
* Min humidity.........54-69 percent.
* 20-foot winds........
*  Valleys/lwr slopes..West winds 5 to 11 mph. Gusts up to 25 mph in
   the afternoon.
*  Ridges/upr slopes...West winds 5 to 11 mph. Gusts up to 30 mph in
   the afternoon.
* Snow level...........3500 feet.
* Mixing height........1100-2100 ft AGL.
* Transport winds......Northwest 10 to 15 mph.

.SUNDAY...Mostly cloudy with showers. Snow level 3500 feet. Lows
32 to 42. Highs 39 to 49. West winds 6 to 11 mph.
.MONDAY...Mostly cloudy. Chance of showers. Snow level 3000 feet.
Lows 30 to 40. Highs 42 to 52. West winds 5 to 11 mph.
.TUESDAY...Partly cloudy. Snow level 3000 feet. Lows 29 to 39. Highs
46 to 56. West winds 3 to 8 mph.
.WEDNESDAY...Mostly clear. Snow level 4000 feet. Lows 31 to 41.
Highs 50 to 60.
.THURSDAY...Partly cloudy. Slight chance of showers. Snow level
4500 feet. Lows 34 to 44. Highs 51 to 61.

.8 TO 14 day Outlook for Apr 25 - May 01, 2025
Above normal temperatures and above normal precipitation.

$$

WAZ661-182315-
East Portion of the Olympic Mountains-
358 AM PDT Fri Apr 18 2025

.TODAY...
* Sky/weather..........Mostly sunny.
* Chance of precip.....0%.
* Max temperature......57-67...except 52-62 ridges.
* Min humidity.........31-46 percent.
* 20-foot winds........
*  Valleys/lwr slopes..West winds 4 to 7 mph.
*  Ridges/upr slopes...West winds 4 to 7 mph.
* Snow level...........6500 feet.
* Mixing height........700-1700 ft AGL.
* Transport winds......West 5 to 10 mph.

.TONIGHT...
* Sky/weather..........Mostly cloudy. Chance of rain showers.
* Chance of precip.....45%.
* Min temperature......32-42.
* Max humidity.........80-95 percent...except 73-88 percent ridges.
* 20-foot winds........
*  Valleys/lwr slopes..West winds 4 to 7 mph.
*  Ridges/upr slopes...West winds 4 to 7 mph.
* Snow level...........6000 feet.
* Mixing height........400-800 ft AGL.
* Transport winds......West around 10 mph.

.SATURDAY...
* Sky/weather..........Mostly sunny. Slight chance of rain showers
  and snow showers.
* Chance of precip.....20%.
* Max temperature......42-52.
* Min humidity.........60-75 percent.
* 20-foot winds........
*  Valleys/lwr slopes..West winds 5 to 8 mph. Gusts up to 25 mph in
   the afternoon.
*  Ridges/upr slopes...West winds 5 to 8 mph. Gusts up to 25 mph in
   the afternoon.
* Snow level...........4000 feet.
* Mixing height........1100-2100 ft AGL.
* Transport winds......West around 10 mph.

.SUNDAY...Mostly cloudy. showers likely. Snow level 3500 feet. Lows
30 to 40. Highs 43 to 53 valleys...35 to 45 ridges. West winds 5 to
9 mph.
.MONDAY...Partly cloudy. Chance of showers. Snow level 3000 feet.
Lows 27 to 37. Highs 41 to 51. West winds 5 to 11 mph.
.TUESDAY...Partly cloudy. Snow level 3500 feet. Lows 28 to 38. Highs
48 to 58 valleys...40 to 50 ridges. Northwest winds 3 to 7 mph.
.WEDNESDAY...Mostly clear. Snow level 4000 feet. Lows 29 to 39.
Highs 52 to 62 valleys...45 to 55 ridges.
.THURSDAY...Partly cloudy. Snow level 5000 feet. Lows 33 to 43.
Highs 50 to 60.

.8 TO 14 day Outlook for Apr 25 - May 01, 2025
Above normal temperatures and above normal precipitation.

$$

WAZ653-182315-
Strait of Juan De Fuca and Northwest Interior Lowlands-
358 AM PDT Fri Apr 18 2025

.TODAY...
* Sky/weather..........Mostly sunny.
* Chance of precip.....0%.
* Max temperature......58-68.
* Min humidity.........40-55 percent.
* 20-foot winds........South winds around 3 mph shifting to the
  west around 5 mph in the afternoon.
* Mixing height........600-1300 ft AGL.
* Transport winds......Southwest around 5 mph.

.TONIGHT...
* Sky/weather..........Mostly cloudy. Chance of rain showers in the
  evening. Slight chance of rain showers after midnight.
* Chance of precip.....30%.
* Min temperature......39-49.
* Max humidity.........81-96 percent.
* 20-foot winds........West winds 8 to 11 mph.
* Mixing height........700 ft AGL.
* Transport winds......West around 10 mph.

.SATURDAY...
* Sky/weather..........Mostly sunny. Slight chance of rain showers.
* Chance of precip.....20%.
* Max temperature......49-59.
* Min humidity.........61-76 percent.
* 20-foot winds........Northwest winds 6 to 9 mph.
* Mixing height........1600-2600 ft AGL.
* Transport winds......Northwest around 10 mph.

.SUNDAY...Mostly cloudy with a chance of showers. Lows 39 to 49.
Highs 49 to 59. Southwest winds 5 to 8 mph.
.MONDAY...Mostly cloudy. Chance of showers. Lows 37 to 47. Highs
50 to 60. Southwest winds 4 to 7 mph.
.TUESDAY...Partly cloudy. Lows 36 to 46. Highs 52 to 62. Northwest
winds 3 to 5 mph.
.WEDNESDAY THROUGH THURSDAY...Mostly clear. Lows 38 to 48. Highs
56 to 66.

.8 TO 14 day Outlook for Apr 25 - May 01, 2025
Above normal temperatures and above normal precipitation.

$$

WAZ654-182315-
Central and South Puget Sound Lowlands-
358 AM PDT Fri Apr 18 2025

.TODAY...
* Sky/weather..........Mostly sunny.
* Chance of precip.....0%.
* Max temperature......61-71.
* Min humidity.........27-42 percent.
* 20-foot winds........Light winds becoming southwest around 5 mph
  in the afternoon.
* Mixing height........600 ft AGL increasing to 3000 ft AGL in the
  afternoon.
* Transport winds......Southwest around 5 mph.

.TONIGHT...
* Sky/weather..........Mostly cloudy. Chance of rain showers
  through the night.
* Chance of precip.....35%.
* Min temperature......40-50.
* Max humidity.........81-96 percent.
* 20-foot winds........Southwest winds around 6 mph shifting to the
  northeast around 4 mph after midnight.
* Mixing height........800-1300 ft AGL.
* Transport winds......West around 10 mph shifting to the southeast
  after midnight.

.SATURDAY...
* Sky/weather..........Partly sunny. Chance of rain showers in the
  morning, then slight chance of rain showers in the afternoon.
* Chance of precip.....35%.
* Max temperature......50-60.
* Min humidity.........59-74 percent.
* 20-foot winds........Northeast winds around 4 mph shifting to the
  south around 5 mph in the afternoon.
* Mixing height........1600-2600 ft AGL.
* Transport winds......Northeast around 5 mph shifting to the south
  in the afternoon.

.SUNDAY...Mostly cloudy. Chance of showers. Lows in the lower 40s.
Highs in the mid 50s. Southwest winds 3 to 6 mph.
.MONDAY...Partly cloudy. Chance of showers. Lows around 40. Highs in
the upper 50s. South winds 3 to 6 mph.
.TUESDAY...Partly cloudy. Patchy fog after midnight. Lows 35 to 45.
Highs around 60. Northeast winds 3 to 4 mph.
.WEDNESDAY THROUGH THURSDAY...Mostly clear. Lows in the lower 40s.
Highs 59 to 69.

.8 TO 14 day Outlook for Apr 25 - May 01, 2025
Above normal temperatures and above normal precipitation.

$$

WAZ655-182315-
Black Hills and Southwest Interior Lowlands-
358 AM PDT Fri Apr 18 2025

.TODAY...
* Sky/weather..........Mostly sunny.
* Chance of precip.....0%.
* Max temperature......62-72.
* Min humidity.........26-39 percent.
* 20-foot winds........Light winds becoming west around 6 mph in
  the afternoon.
* Mixing height........800 ft AGL increasing to 3300 ft AGL in the
  afternoon.
* Transport winds......Northeast around 5 mph shifting to the west
  in the afternoon.

.TONIGHT...
* Sky/weather..........Mostly cloudy. Slight chance of rain showers
  in the evening, then chance of rain showers after midnight.
* Chance of precip.....35%.
* Min temperature......39-49.
* Max humidity.........78-93 percent.
* 20-foot winds........West winds 5 to 8 mph.
* Mixing height........900-1400 ft AGL.
* Transport winds......West around 10 mph.

.SATURDAY...
* Sky/weather..........Partly sunny. Slight chance of rain showers
  in the morning.
* Chance of precip.....20% decreasing to 10% in the afternoon.
* Max temperature......51-61.
* Min humidity.........50-65 percent.
* 20-foot winds........West winds 5 to 8 mph.
* Mixing height........2100-3100 ft AGL.
* Transport winds......West 10 to 15 mph.

.SUNDAY...Mostly cloudy. Showers likely. Lows in the lower 40s.
Highs 51 to 61. West winds 3 to 9 mph.
.MONDAY...Mostly cloudy. Chance of showers. Lows in the upper 30s.
Highs in the mid 50s. West winds 3 to 8 mph.
.TUESDAY...Partly cloudy. Patchy fog after midnight. Areas of frost.
Lows in the mid 30s. Highs in the lower 60s. North winds 3 to 6 mph.
.WEDNESDAY...Mostly clear. Patchy frost after midnight. Lows in the
upper 30s. Highs in the mid 60s.
.THURSDAY...Mostly clear. Lows in the lower 40s. Highs in the upper
60s.

.8 TO 14 day Outlook for Apr 25 - May 01, 2025
Above normal temperatures and above normal precipitation.

$$

WAZ656-182315-
Northeast Puget Sound Lowlands Generally Below 1500 Feet-
358 AM PDT Fri Apr 18 2025

.TODAY...
* Sky/weather..........Mostly sunny.
* Chance of precip.....0%.
* Max temperature......59-69.
* Min humidity.........27-42 percent.
* 20-foot winds........South winds around 3 mph shifting to the
  west around 6 mph in the afternoon.
* Mixing height........1200 ft AGL increasing to 3400 ft AGL in the
  afternoon.
* Transport winds......South around 5 mph shifting to the southwest
  in the afternoon.

.TONIGHT...
* Sky/weather..........Mostly cloudy. Slight chance of rain showers
  in the evening, then chance of rain showers after midnight.
* Chance of precip.....35%.
* Min temperature......38-48.
* Max humidity.........81-96 percent.
* 20-foot winds........West winds 4 to 7 mph.
* Mixing height........1200-1600 ft AGL.
* Transport winds......West around 5 mph.

.SATURDAY...
* Sky/weather..........Partly sunny. Chance of rain showers in the
  morning, then slight chance of rain showers in the afternoon.
* Chance of precip.....35%.
* Max temperature......47-57.
* Min humidity.........60-75 percent.
* 20-foot winds........West winds 5 to 8 mph.
* Mixing height........2400-3400 ft AGL.
* Transport winds......West around 10 mph.

.SUNDAY...Mostly cloudy with showers likely. Lows in the lower 40s.
Highs 47 to 57. Southwest winds 3 to 6 mph.
.MONDAY...Mostly cloudy. Showers likely. Lows in the lower 40s.
Highs 49 to 59. Southwest winds 3 to 5 mph.
.TUESDAY...Partly cloudy. Areas of frost after midnight. Lows in the
upper 30s. Highs in the upper 50s. West winds 3 to 5 mph.
.WEDNESDAY THROUGH THURSDAY...Mostly clear. Lows in the lower 40s.
Highs in the mid 60s.

.8 TO 14 day Outlook for Apr 25 - May 01, 2025
Above normal temperatures and above normal precipitation.

$$

WAZ657-182315-
Southeast Puget Sound Lowlands Generally Below 1500 Feet-
358 AM PDT Fri Apr 18 2025

.TODAY...
* Sky/weather..........Sunny.
* Chance of precip.....0%.
* Max temperature......61-71.
* Min humidity.........23-38 percent.
* 20-foot winds........Light winds becoming west around 5 mph in
  the afternoon.
* Mixing height........800 ft AGL increasing to 3600 ft AGL in the
  afternoon.
* Transport winds......South around 5 mph shifting to the west in
  the afternoon.

.TONIGHT...
* Sky/weather..........Mostly cloudy. Chance of rain showers after
  midnight.
* Chance of precip.....30%.
* Min temperature......40-50.
* Max humidity.........85-100 percent.
* 20-foot winds........Southwest winds around 5 mph shifting to the
  south around 4 mph after midnight.
* Mixing height........900-1800 ft AGL.
* Transport winds......West around 5 mph.

.SATURDAY...
* Sky/weather..........Partly sunny. Chance of rain showers in the
  morning, then slight chance of rain showers in the afternoon.
* Chance of precip.....35%.
* Max temperature......49-59.
* Min humidity.........62-77 percent.
* 20-foot winds........North winds around 3 mph shifting to the
  west around 4 mph in the afternoon.
* Mixing height........1900-2900 ft AGL.
* Transport winds......West 5 to 10 mph.

.SUNDAY...Mostly cloudy with showers likely. Lows in the lower 40s.
Highs 50 to 60. Southwest winds 3 to 6 mph.
.MONDAY...Mostly cloudy. Showers likely. Lows around 40. Highs 52 to
62. Southwest winds 3 to 6 mph.
.TUESDAY...Partly cloudy. Areas of frost after midnight. Lows 33 to
43. Highs around 60. North winds 3 to 4 mph.
.WEDNESDAY THROUGH THURSDAY...Mostly clear. Lows in the lower 40s.
Highs in the mid 60s.

.8 TO 14 day Outlook for Apr 25 - May 01, 2025
Above normal temperatures and above normal precipitation.

$$

WAZ658-182315-
West Slopes of the North Cascades Generally above 1500 Feet-
358 AM PDT Fri Apr 18 2025

.TODAY...
* Sky/weather..........Mostly sunny.
* Chance of precip.....0%.
* Max temperature......55-65...except 49-59 ridges.
* Min humidity.........31-46 percent.
* 20-foot winds........
*  Valleys/lwr slopes..Southwest winds 4 to 8 mph.
*  Ridges/upr slopes...Southwest winds 4 to 8 mph.
* Snow level...........6000 feet.
* Mixing height........1100-2100 ft AGL.
* Transport winds......South around 5 mph shifting to the west in
  the afternoon.

.TONIGHT...
* Sky/weather..........Mostly cloudy. Slight chance of rain showers
  in the evening, then chance of rain showers and snow showers
  after midnight.
* Chance of precip.....35%.
* Min temperature......36-46...except 30-40 ridges.
* Max humidity.........76-91 percent.
* 20-foot winds........
*  Valleys/lwr slopes..West winds 5 to 8 mph.
*  Ridges/upr slopes...West winds 5 to 8 mph.
* Snow level...........6000 feet.
* Mixing height........600-1100 ft AGL.
* Transport winds......West around 10 mph.

.SATURDAY...
* Sky/weather..........Partly sunny. Chance of rain showers and
  snow showers in the morning, then slight chance of rain showers
  and snow showers in the afternoon.
* Chance of precip.....30%.
* Max temperature......44-54...except 38-48 ridges.
* Min humidity.........59-74 percent.
* 20-foot winds........
*  Valleys/lwr slopes..West winds 7 to 10 mph.
*  Ridges/upr slopes...West winds 7 to 11 mph. Gusts up to 25 mph in
   the afternoon.
* Snow level...........4000 feet.
* Mixing height........1400-2400 ft AGL.
* Transport winds......West 10 to 15 mph.

.SUNDAY...Mostly cloudy with snow showers likely and showers. Snow
level 3500 feet. Lows 34 to 44 valleys...in the lower 30s ridges.
Highs 40 to 50 valleys...32 to 42 ridges. West winds 5 to 8 mph.
.MONDAY...Mostly cloudy. showers likely. Snow level 3000 feet. Lows
28 to 38. Highs 42 to 52 valleys...33 to 43 ridges. West winds 6 to
9 mph.
.TUESDAY...Partly cloudy. Snow level 3000 feet. Lows 25 to 35. Highs
49 to 59 valleys...41 to 51 ridges. West winds 3 to 7 mph.
.WEDNESDAY THROUGH THURSDAY...Mostly clear. Snow level 4500 feet.
Lows 30 to 40. Highs 55 to 65 valleys...47 to 57 ridges.

.8 TO 14 day Outlook for Apr 25 - May 01, 2025
Above normal temperatures and above normal precipitation.

$$

WAZ659-182315-
West Slopes of the Central Cascades Generally above 1500 Feet-
358 AM PDT Fri Apr 18 2025

.TODAY...
* Sky/weather..........Sunny.
* Chance of precip.....0%.
* Max temperature......57-67...except 51-61 ridges.
* Min humidity.........28-43 percent.
* 20-foot winds........
*  Valleys/lwr slopes..South winds around 3 mph shifting to the west
   around 6 mph in the afternoon.
*  Ridges/upr slopes...South winds around 4 mph shifting to the west
   around 7 mph in the afternoon.
* Snow level...........6000 feet.
* Mixing height........700 ft AGL increasing to 3300 ft AGL in the
  afternoon.
* Transport winds......Southeast around 5 mph shifting to the west
  in the afternoon.

.TONIGHT...
* Sky/weather..........Mostly cloudy. Chance of rain showers after
  midnight.
* Chance of precip.....10% increasing to 40% after midnight.
* Min temperature......37-47...except 31-41 ridges.
* Max humidity.........74-89 percent.
* 20-foot winds........
*  Valleys/lwr slopes..West winds 4 to 7 mph.
*  Ridges/upr slopes...West winds 4 to 7 mph.
* Snow level...........6000 feet.
* Mixing height........600-1400 ft AGL.
* Transport winds......West around 10 mph.

.SATURDAY...
* Sky/weather..........Mostly cloudy then becoming mostly sunny.
  Chance of rain showers and snow showers in the morning, then
  slight chance of rain showers and snow showers in the afternoon.
* Chance of precip.....35%.
* Max temperature......45-55...except 39-49 ridges.
* Min humidity.........64-79 percent.
* 20-foot winds........
*  Valleys/lwr slopes..West winds 6 to 9 mph.
*  Ridges/upr slopes...West winds 6 to 9 mph. Gusts up to 25 mph in
   the afternoon.
* Snow level...........5000 feet.
* Mixing height........1300-2300 ft AGL.
* Transport winds......West 10 to 15 mph.

.SUNDAY...Mostly cloudy with showers likely. Snow level 3500 feet.
Lows 34 to 44 valleys...in the lower 30s ridges. Highs 42 to
52 valleys...33 to 43 ridges. West winds 6 to 9 mph.
.MONDAY...Mostly cloudy. showers likely. Snow level 3000 feet. Lows
32 to 42 valleys...around 30 ridges. Highs 43 to 53 valleys...34 to
44 ridges. West winds 7 to 10 mph.
.TUESDAY...Partly cloudy. Snow level 3500 feet. Lows 27 to 37. Highs
50 to 60 valleys...42 to 52 ridges. Northwest winds 3 to 6 mph.
.WEDNESDAY THROUGH THURSDAY...Mostly clear. Snow level 4500 feet.
Lows 31 to 41. Highs 56 to 66 valleys...49 to 59 ridges.

.8 TO 14 day Outlook for Apr 25 - May 01, 2025
Above normal temperatures and above normal precipitation.

$$

www.weather.gov/seattle