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 3
000
FNUS56 KSEW 210905
FWFSEW

Fire Weather Planning Forecast for Western Washington
National Weather Service Seattle WA
205 AM PDT Sat Apr 21 2018

Current warnings/watches...none.

.DISCUSSION....A few showers will continue over the mountains today
in the wake of an early morning cold front, but the overall trend
will be decreasing showers today. A dry upper trough will cross the
area Sunday. An upper level ridge will build in Sunday night and
remain over Western Washington through most of next week for an
extended dry and warm spell.

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

WAZ649>651-212330-
Western Washington Fire Weather Zones 649-650-651
Area 1...Coastal Lowlands-
205 AM PDT Sat Apr 21 2018

.Today...
* Sky/weather..........Mostly cloudy. Rain showers likely in the
  morning, then slight chance of rain showers in the afternoon.
* Chance of precip.....45%.
* Max temperature......47-57.
* Min humidity.........54-69 percent...except 63-71 percent ridges.
* 20-foot winds........
*  Valleys/lwr slopes..West winds 9 to 12 mph.
*  Ridges/upr slopes...West winds 11 to 14 mph.
* Mixing height........4100-5100 ft AGL.
* Transport winds......West 15 to 20 mph.

.TONIGHT...
* Sky/weather..........Mostly cloudy.
* Chance of precip.....0%.
* Min temperature......32-42.
* Max humidity.........83-98 percent.
* 20-foot winds........
*  Valleys/lwr slopes..Northwest winds 5 to 8 mph.
*  Ridges/upr slopes...Northwest winds 5 to 8 mph.
* Mixing height........2600-3600 ft AGL.
* Transport winds......Northwest around 10 mph.

.SUNDAY...
* Sky/weather..........Partly sunny then becoming sunny.
* Chance of precip.....0%.
* Max temperature......53-63.
* Min humidity.........42-57 percent.
* 20-foot winds........
*  Valleys/lwr slopes..North winds 3 to 6 mph.
*  Ridges/upr slopes...North winds 3 to 6 mph.
* Mixing height........2000 ft AGL increasing to 4100 ft AGL in the
  afternoon.
* Transport winds......North around 5 mph.

.MONDAY...Mostly clear. Lows in the upper 30s. Highs 60 to 70.
Northeast winds 4 to 7 mph.
.TUESDAY THROUGH WEDNESDAY...Mostly clear. Lows in the mid 40s.
Highs 68 to 78. North winds 3 to 7 mph.
.THURSDAY...Mostly clear. Lows in the upper 40s. Highs 65 to 75.
.FRIDAY...Partly cloudy. Slight chance of showers. Lows in the mid
40s. Highs 59 to 69.

.8 TO 14 day OUTLOOK FOR APR 28 - MAY 04, 2018
Above normal temperatures and below normal precipitation.

$$

WAZ652-212330-
Western Washington Fire Weather Zone 652
Area 2...Olympic National Park-Olympic National Forest-West Portion-
205 AM PDT Sat Apr 21 2018

.Today...
* Sky/weather..........Mostly cloudy. Snow showers and rain showers
  likely in the morning, then slight chance of rain showers and
  snow showers in the afternoon.
* Chance of precip.....45%.
* Max temperature......35-45.
* Min humidity.........61-76 percent.
* 20-foot winds........
*  Valleys/lwr slopes..West winds 8 to 12 mph.
*  Ridges/upr slopes...West winds 9 to 13 mph.
* Snow level...........3000 feet.
* Mixing height........3700-4700 ft AGL.
* Transport winds......West 15 to 20 mph.

.TONIGHT...
* Sky/weather..........Mostly cloudy.
* Chance of precip.....0%.
* Min temperature......24-34.
* Max humidity.........81-96 percent.
* 20-foot winds........
*  Valleys/lwr slopes..Northwest winds around 6 mph shifting to the
   north around 4 mph after midnight.
*  Ridges/upr slopes...Northwest winds around 7 mph shifting to the
   north around 4 mph after midnight.
* Snow level...........3000 feet.
* Mixing height........3600 ft AGL decreasing to 1600 ft AGL after
  midnight.
* Transport winds......Northwest 5 to 10 mph.

.SUNDAY...
* Sky/weather..........Partly sunny then becoming sunny.
* Chance of precip.....0%.
* Max temperature......44-54.
* Min humidity.........43-58 percent.
* 20-foot winds........
*  Valleys/lwr slopes..Northeast winds around 3 mph shifting to the
   northwest around 4 mph in the afternoon.
*  Ridges/upr slopes...Northeast winds around 4 mph shifting to the
   northwest in the afternoon.
* Snow level...........3000 feet.
* Mixing height........1400 ft AGL increasing to 4600 ft AGL in the
  afternoon.
* Transport winds......Northeast around 5 mph shifting to the north
  in the afternoon.

.MONDAY...Mostly clear. Snow level 4000 feet. Lows 27 to 37. Highs
55 to 65. Southeast winds 4 to 7 mph.
.TUESDAY...Mostly clear. Snow level 6000 feet. Lows 34 to 44. Highs
61 to 71. Southeast winds 3 to 6 mph.
.WEDNESDAY...Mostly clear. Snow level 6500 feet. Lows in the mid
40s. Highs 62 to 72. Northeast winds 3 to 6 mph.
.THURSDAY...Mostly clear. Snow level 7500 feet. Lows 39 to 49. Highs
62 to 72.
.FRIDAY...Partly cloudy. Slight chance of showers. Snow level
8000 feet. Lows in the mid 40s. Highs 56 to 66.

.8 TO 14 day OUTLOOK FOR APR 28 - MAY 04, 2018
Above normal temperatures and below normal precipitation.

$$

WAZ661-212330-
Western Washington Fire Weather Zone 661
Area 2...Olympic National Park-Olympic National Forest-East Portion-
205 AM PDT Sat Apr 21 2018

.Today...
* Sky/weather..........Partly sunny. Chance of rain showers and
  snow showers.
* Chance of precip.....50%.
* Max temperature......41-51...except 36-46 ridges.
* Min humidity.........55-70 percent.
* 20-foot winds........
*  Valleys/lwr slopes..West winds 9 to 12 mph.
*  Ridges/upr slopes...West winds 10 to 15 mph.
* Snow level...........3000 feet.
* Mixing height........3400 ft AGL increasing to 5700 ft AGL in the
  afternoon.
* Transport winds......West around 25 mph decreasing to around 15
  mph in the afternoon.

.TONIGHT...
* Sky/weather..........Mostly cloudy. Chance of rain showers and
  snow showers in the evening.
* Chance of precip.....30% decreasing to 10% after midnight.
* Min temperature......24-34.
* Max humidity.........77-92 percent.
* 20-foot winds........
*  Valleys/lwr slopes..Northwest winds 3 to 6 mph.
*  Ridges/upr slopes...Northwest winds 4 to 7 mph.
* Snow level...........3000 feet.
* Mixing height........2500-3500 ft AGL.
* Transport winds......West around 5 mph.

.SUNDAY...
* Sky/weather..........Mostly sunny.
* Chance of precip.....0%.
* Max temperature......45-55.
* Min humidity.........42-57 percent.
* 20-foot winds........
*  Valleys/lwr slopes..Northeast winds 3 to 6 mph.
*  Ridges/upr slopes...North winds 3 to 6 mph.
* Snow level...........3000 feet.
* Mixing height........1800 ft AGL increasing to 4100 ft AGL in the
  afternoon.
* Transport winds......North around 5 mph.

.MONDAY...Mostly clear. Snow level 4000 feet. Lows 26 to 36. Highs
52 to 62. East winds 4 to 7 mph.
.TUESDAY...Mostly clear. Snow level 6000 feet. Lows 35 to 45. Highs
60 to 70. East winds 4 to 7 mph.
.WEDNESDAY...Mostly clear. Snow level 6500 feet. Lows 40 to 50.
Highs 62 to 72. Northeast winds 4 to 7 mph.
.THURSDAY...Mostly clear. Snow level 8000 feet. Lows 38 to 48. Highs
63 to 73.
.FRIDAY...Partly cloudy. Slight chance of showers. Snow level
8500 feet. Lows in the lower 40s. Highs 58 to 68.

.8 TO 14 day OUTLOOK FOR APR 28 - MAY 04, 2018
Above normal temperatures and below normal precipitation.

$$

WAZ653-212330-
Western Washington Fire Weather Zone 653
Area 3...North Puget Sound Lowlands-Whidbey Island-San Juan Islands-
205 AM PDT Sat Apr 21 2018

.Today...
* 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.........50-65 percent.
* 20-foot winds........West winds 12 to 15 mph.
* Mixing height........3300 ft AGL increasing to 5300 ft AGL in the
  afternoon.
* Transport winds......West around 25 mph decreasing to around 15
  mph in the afternoon.

.TONIGHT...
* Sky/weather..........Mostly cloudy. Slight chance of rain showers
  in the evening.
* Chance of precip.....10%.
* Min temperature......33-43.
* Max humidity.........80-95 percent.
* 20-foot winds........West winds 6 to 10 mph.
* Mixing height........2300-3300 ft AGL.
* Transport winds......West 10 to 15 mph.

.SUNDAY...
* Sky/weather..........Mostly sunny.
* Chance of precip.....0%.
* Max temperature......51-61.
* Min humidity.........42-57 percent.
* 20-foot winds........Northwest winds 5 to 8 mph.
* Mixing height........2300-3300 ft AGL.
* Transport winds......North around 5 mph.

.MONDAY...Mostly clear. Lows 34 to 44. Highs 58 to 68. North winds
3 to 6 mph.
.TUESDAY THROUGH WEDNESDAY...Mostly clear. Lows in the mid 40s.
Highs 63 to 73. Northwest winds 3 to 7 mph.
.THURSDAY...Mostly clear. Lows in the upper 40s. Highs 64 to 74.
.FRIDAY...Partly cloudy. Lows in the upper 40s. Highs 61 to 71.

.8 TO 14 day OUTLOOK FOR APR 28 - MAY 04, 2018
Above normal temperatures and below normal precipitation.

$$

WAZ654>657-212330-
Western Washington Fire Weather Zones 654-655-656-657
Area 4...Interior Lowlands-
205 AM PDT Sat Apr 21 2018

.Today...
* Sky/weather..........Mostly cloudy. Chance of rain showers in the
  morning, then slight chance of rain showers in the afternoon.
* Chance of precip.....35%.
* Max temperature......48-58.
* Min humidity.........48-63 percent.
* 20-foot winds........Southwest winds 9 to 12 mph.
* Mixing height........3100 ft AGL increasing to 6100 ft AGL in the
  afternoon.
* Transport winds......West 15 to 20 mph.

.TONIGHT...
* Sky/weather..........Mostly cloudy. Slight chance of rain showers
  in the evening.
* Chance of precip.....10%.
* Min temperature......32-42.
* Max humidity.........81-96 percent.
* 20-foot winds........Northwest winds around 6 mph shifting to the
  north around 3 mph after midnight.
* Mixing height........4900 ft AGL decreasing to 2500 ft AGL after
  midnight.
* Transport winds......Northwest around 10 mph shifting to the
  north after midnight.

.SUNDAY...
* Sky/weather..........Mostly sunny.
* Chance of precip.....0%.
* Max temperature......54-64.
* Min humidity.........36-51 percent.
* 20-foot winds........North winds 4 to 8 mph.
* Mixing height........2000 ft AGL increasing to 4400 ft AGL in the
  afternoon.
* Transport winds......North around 10 mph.

.MONDAY...Mostly clear. Lows 32 to 42. Highs 62 to 72. North winds
3 to 7 mph.
.TUESDAY THROUGH WEDNESDAY...Mostly clear. Lows 39 to 49. Highs
69 to 79. North winds 3 to 6 mph.
.THURSDAY...Mostly clear. Lows in the mid 40s. Highs 71 to 81.
.FRIDAY...Partly cloudy. Slight chance of showers. Lows in the upper
40s. Highs 66 to 76.

.8 TO 14 day OUTLOOK FOR APR 28 - MAY 04, 2018
Above normal temperatures and below normal precipitation.

$$

WAZ658-659-212330-
Western Washington Fire Weather Zones 658-659
Area 5...North Cascades National Park-MT Rainier National Park-MT
Baker/Snoqualmie National Forest-Gifford Pinchot National Forest-
205 AM PDT Sat Apr 21 2018

.Today...
* Sky/weather..........Mostly cloudy. Snow showers and rain showers
  in the morning, then chance of snow showers and rain showers in
  the afternoon.
* Chance of precip.....75%.
* Max temperature......41-51...except 35-45 ridges.
* Min humidity.........51-66 percent.
* 20-foot winds........
*  Valleys/lwr slopes..Southwest winds 10 to 13 mph.
*  Ridges/upr slopes...West winds 12 to 15 mph.
* Snow level...........3000 feet.
* Mixing height........2800 ft AGL increasing to 4800 ft AGL in the
  afternoon.
* Transport winds......West around 20 mph.

.TONIGHT...
* Sky/weather..........Mostly cloudy. Slight chance of rain showers
  and snow showers in the evening.
* Chance of precip.....10%.
* Min temperature......23-33.
* Max humidity.........79-94 percent.
* 20-foot winds........
*  Valleys/lwr slopes..West winds around 6 mph shifting to the north
   around 3 mph after midnight.
*  Ridges/upr slopes...West winds around 7 mph shifting to the north
   around 3 mph after midnight.
* Snow level...........3000 feet.
* Mixing height........4300 ft AGL decreasing to 2300 ft AGL after
  midnight.
* Transport winds......Northwest 5 to 10 mph.

.SUNDAY...
* Sky/weather..........Mostly sunny.
* Chance of precip.....0%.
* Max temperature......47-57...except 42-52 ridges.
* Min humidity.........42-57 percent.
* 20-foot winds........
*  Valleys/lwr slopes..Northeast winds around 3 mph shifting to the
   northwest around 5 mph in the afternoon.
*  Ridges/upr slopes...North winds 3 to 6 mph.
* Snow level...........3000 feet.
* Mixing height........1600 ft AGL increasing to 4800 ft AGL in the
  afternoon.
* Transport winds......North around 5 mph.

.MONDAY...Mostly clear. Snow level 4500 feet. Lows 25 to 35. Highs
57 to 67 valleys...50 to 60 ridges. East winds 5 to 8 mph.
.TUESDAY...Mostly clear. Snow level 6000 feet. Lows 31 to 41. Highs
65 to 75 valleys...57 to 67 ridges. Southeast winds 5 to 9 mph.
.WEDNESDAY...Mostly clear. Snow level 7000 feet. Lows 38 to 48.
Highs 68 to 78 valleys...60 to 70 ridges. North winds 3 to 6 mph.
.THURSDAY...Mostly clear. Snow level 8000 feet. Lows 36 to 46. Highs
65 to 75.
.FRIDAY...Partly cloudy. Slight chance of showers. Snow level
8500 feet. Lows 36 to 46. Highs 62 to 72 valleys...54 to 64 ridges.

.8 TO 14 day OUTLOOK FOR APR 28 - MAY 04, 2018
Above normal temperatures and below normal precipitation.

$$

WAZ662-212330-
Western Washington Fire Weather Zone 662
Area 6...North Cascades National Park-Lake Chelan National
Recreational Area-
205 AM PDT Sat Apr 21 2018

.Today...
* Sky/weather..........Mostly cloudy then becoming mostly sunny.
  Snow showers and rain showers likely in the morning, then chance
  of snow showers and rain showers in the afternoon.
* Chance of precip.....60%.
* Max temperature......43-53...except 35-45 ridges.
* Min humidity.........37-52 percent...except 43-58 percent ridges.
* 20-foot winds........
*  Valleys/lwr slopes..West winds 11 to 15 mph.
*  Ridges/upr slopes...West winds 14 to 17 mph.
* Snow level...........3000 feet.
* Mixing height........3200 ft AGL increasing to 5800 ft AGL in the
  afternoon.
* Transport winds......West around 30 mph.

.TONIGHT...
* Sky/weather..........Mostly cloudy. Slight chance of snow showers
  in the evening.
* Chance of precip.....10%.
* Min temperature......22-32.
* Max humidity.........69-84 percent.
* 20-foot winds........
*  Valleys/lwr slopes..Northwest winds 6 to 9 mph.
*  Ridges/upr slopes...Northwest winds 7 to 12 mph.
* Snow level...........2500 feet.
* Mixing height........4300 ft AGL decreasing to 1700 ft AGL after
  midnight.
* Transport winds......West around 20 mph becoming northwest around
  10 mph after midnight.

.SUNDAY...
* Sky/weather..........Partly sunny.
* Chance of precip.....0%.
* Max temperature......50-60...except 42-52 ridges.
* Min humidity.........30-42 percent...except 38-53 percent ridges.
* 20-foot winds........
*  Valleys/lwr slopes..Northwest winds around 3 mph in the morning
   becoming light.
*  Ridges/upr slopes...Northwest winds 3 to 6 mph.
* Snow level...........3500 feet.
* Mixing height........1500 ft AGL increasing to 5500 ft AGL in the
  afternoon.
* Transport winds......North around 5 mph.

.MONDAY...Mostly clear. Snow level 4500 feet. Lows 23 to 33. Highs
47 to 57. East winds 4 to 7 mph.
.TUESDAY...Partly cloudy. Snow level 5500 feet. Lows 28 to 38. Highs
57 to 67. Southeast winds 5 to 8 mph.
.WEDNESDAY...Mostly clear. Snow level 7000 feet. Lows in the upper
30s. Highs 69 to 79 valleys...62 to 72 ridges. Northeast winds 4 to
7 mph.
.THURSDAY THROUGH FRIDAY...Mostly clear. Snow level 8250 feet. Lows
36 to 46. Highs 70 to 80 valleys...63 to 73 ridges.

.8 TO 14 day OUTLOOK FOR APR 28 - MAY 04, 2018
Above normal temperatures and below normal precipitation.

$$

www.weather.gov/seattle



USA.gov is the U.S. government's official web portal to all federal, state and local government web resources and services.