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 221144
FWFSEW

Fire Weather Planning Forecast for Western Washington
National Weather Service Seattle WA
344 AM PST Thu Feb 22 2018

Current warnings/watches...none.

.DISCUSSION....A weak low pressure area will sag south of Western
Washington early this morning. A brief break between systems
today into Friday morning before the precipitation from the next
system moving down the British Columbia coast arrives Friday
afternoon. Low snow levels will continue as this system moves
through the area later Friday. Another system will follow quickly
early Saturday. Cool northwest flow aloft through the middle of
next week, with cool wet systems around Sunday and then next
Tuesday or Wednesday.

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

WAZ649>651-230015-
Western Washington Fire Weather Zones 649-650-651
Area 1...Coastal Lowlands-
344 AM PST Thu Feb 22 2018

.Today...
* Sky/weather..........Mostly sunny.
* Chance of precip.....0%.
* Max temperature......31-41.
* Min humidity.........48-63 percent.
* 20-foot winds........
*  Valleys/lwr slopes..Northeast winds 5 to 8 mph.
*  Ridges/upr slopes...Northeast winds 6 to 9 mph.
* Mixing height........2700-3700 ft AGL.
* Transport winds......Northeast around 10 mph.

.TONIGHT...
* Sky/weather..........Partly cloudy then becoming mostly cloudy.
  Chance of snow after midnight.
* Chance of precip.....0% increasing to 30% after midnight.
* Min temperature......20-30.
* Max humidity.........87-100 percent.
* 20-foot winds........
*  Valleys/lwr slopes..Northeast winds around 5 mph shifting to the
   southeast around 6 mph after midnight.
*  Ridges/upr slopes...Northeast winds around 5 mph shifting to the
   southeast around 7 mph after midnight.
* Mixing height........900-1900 ft AGL.
* Transport winds......East around 5 mph.

.FRIDAY...
* Sky/weather..........Cloudy. Chance of snow and rain in the
  morning, then snow with rain likely in the afternoon.
* Chance of precip.....90%.
* Max temperature......34-44.
* Min humidity.........70-85 percent.
* 20-foot winds........
*  Valleys/lwr slopes..Southeast winds around 9 mph shifting to the
   southwest around 8 mph in the afternoon.
*  Ridges/upr slopes...South winds 8 to 11 mph.
* Mixing height........1300-2300 ft AGL.
* Transport winds......South around 10 mph increasing to southwest
  around 20 mph in the afternoon.

.SATURDAY...Rain and snow. Lows 29 to 39. Highs 35 to 45. Northwest
winds 7 to 10 mph.
.SUNDAY...Rain with snow likely. Lows 31 to 41. Highs 37 to 47. West
winds 6 to 13 mph.
.MONDAY...Rain and snow likely. Lows 28 to 38. Highs 37 to 47.
Southeast winds 3 to 10 mph.
.TUESDAY THROUGH WEDNESDAY...Mostly cloudy with a chance of rain and
snow. Lows 27 to 37. Highs 38 to 48.

.8 TO 14 day OUTLOOK FOR MAR 01 - 07, 2018
Below normal temperatures and near normal precipitation.

$$

WAZ652-230015-
Western Washington Fire Weather Zone 652
Area 2...Olympic National Park-Olympic National Forest-West Portion-
344 AM PST Thu Feb 22 2018

.Today...
* Sky/weather..........Mostly sunny.
* Chance of precip.....0%.
* Max temperature......21-31.
* Min humidity.........55-70 percent.
* 20-foot winds........
*  Valleys/lwr slopes..Northeast winds 8 to 11 mph.
*  Ridges/upr slopes...Northeast winds 9 to 12 mph.
* Snow level...........0 feet.
* Mixing height........2400-3400 ft AGL.
* Transport winds......Northeast around 15 mph.

.TONIGHT...
* Sky/weather..........Partly cloudy then becoming mostly cloudy.
  Chance of snow after midnight.
* Chance of precip.....0% increasing to 30% after midnight.
* Min temperature......12-22.
* Max humidity.........84-99 percent.
* 20-foot winds........
*  Valleys/lwr slopes..Northeast winds around 7 mph shifting to the
   southeast around 4 mph after midnight.
*  Ridges/upr slopes...Northeast winds around 7 mph shifting to the
   south around 4 mph after midnight.
* Snow level...........0 feet.
* Mixing height........600-1600 ft AGL.
* Transport winds......East around 5 mph.

.FRIDAY...
* Sky/weather..........Cloudy. Chance of snow in the morning, then
  snow in the afternoon.
* Chance of precip.....65%.
* Max temperature......24-34.
* Min humidity.........72-87 percent.
* 20-foot winds........
*  Valleys/lwr slopes..South winds 7 to 10 mph.
*  Ridges/upr slopes...South winds 8 to 11 mph.
* Snow level...........0 feet.
* Mixing height........1000-1800 ft AGL.
* Transport winds......Southwest 10 to 15 mph.

.SATURDAY...Snow. Snow level 500 feet. Lows 20 to 30. Highs 27 to
37. Northwest winds 9 to 12 mph.
.SUNDAY...Snow. Snow level 1500 feet. Lows 22 to 32. Highs 27 to 37.
West winds 8 to 12 mph.
.MONDAY...Snow. Snow level 500 feet. Lows 20 to 30. Highs 26 to 36.
South winds 3 to 8 mph.
.TUESDAY...Mostly cloudy with a chance of snow. Snow level 500 feet.
Lows 19 to 29. Highs 27 to 37.
.WEDNESDAY...Mostly cloudy with a chance of snow and rain. Snow
level 1500 feet. Lows 22 to 32. Highs 31 to 41.

.8 TO 14 day OUTLOOK FOR MAR 01 - 07, 2018
Below normal temperatures and near normal precipitation.

$$

WAZ661-230015-
Western Washington Fire Weather Zone 661
Area 2...Olympic National Park-Olympic National Forest-East Portion-
344 AM PST Thu Feb 22 2018

.Today...
* Sky/weather..........Mostly sunny.
* Chance of precip.....0%.
* Max temperature......21-31.
* Min humidity.........53-68 percent.
* 20-foot winds........
*  Valleys/lwr slopes..Northeast winds 7 to 10 mph.
*  Ridges/upr slopes...North winds 8 to 11 mph.
* Snow level...........0 feet.
* Mixing height........2700-3700 ft AGL.
* Transport winds......North around 15 mph.

.TONIGHT...
* Sky/weather..........Mostly clear then becoming mostly cloudy.
  Chance of snow after midnight.
* Chance of precip.....0% increasing to 30% after midnight.
* Min temperature......12-22.
* Max humidity.........80-95 percent.
* 20-foot winds........
*  Valleys/lwr slopes..Northwest winds around 7 mph shifting to the
   west after midnight.
*  Ridges/upr slopes...Northwest winds around 7 mph shifting to the
   west after midnight.
* Snow level...........0 feet.
* Mixing height........500-1500 ft AGL.
* Transport winds......Northwest around 5 mph shifting to the west
  after midnight.

.FRIDAY...
* Sky/weather..........Mostly cloudy. Chance of snow in the
  morning, then snow in the afternoon.
* Chance of precip.....60%.
* Max temperature......28-38...except 23-33 ridges.
* Min humidity.........69-84 percent.
* 20-foot winds........
*  Valleys/lwr slopes..Southwest winds 10 to 13 mph.
*  Ridges/upr slopes...Southwest winds 11 to 14 mph.
* Snow level...........500 feet.
* Mixing height........1200-2200 ft AGL.
* Transport winds......Southwest around 10 mph increasing to around
  20 mph in the afternoon.

.SATURDAY...Snow likely. Snow level 1000 feet. Lows 22 to
32 valleys...15 to 25 ridges. Highs 27 to 37. Northwest winds 9 to
12 mph.
.SUNDAY...Snow. Snow level 1500 feet. Lows 25 to 35 valleys...18 to
28 ridges. Highs 27 to 37. West winds 8 to 14 mph.
.MONDAY...Snow likely. Snow level 0 feet. Lows 22 to 32 valleys...
15 to 25 ridges. Highs 29 to 39 valleys...21 to 31 ridges. South
winds 3 to 7 mph.
.TUESDAY...Mostly cloudy with a chance of snow. Snow level 500 feet.
Lows 18 to 28. Highs 31 to 41 valleys...23 to 33 ridges.
.WEDNESDAY...Mostly cloudy. Chance of snow and rain. Snow level
1500 feet. Lows 20 to 30. Highs 34 to 44 valleys...in the lower 30s
ridges.

.8 TO 14 day OUTLOOK FOR MAR 01 - 07, 2018
Below normal temperatures and near normal precipitation.

$$

WAZ653-230015-
Western Washington Fire Weather Zone 653
Area 3...North Puget Sound Lowlands-Whidbey Island-San Juan Islands-
344 AM PST Thu Feb 22 2018

.Today...
* Sky/weather..........Mostly sunny.
* Chance of precip.....0%.
* Max temperature......29-39.
* Min humidity.........46-61 percent.
* 20-foot winds........North winds 7 to 10 mph.
* Mixing height........2600-3300 ft AGL.
* Transport winds......North around 15 mph.

.TONIGHT...
* Sky/weather..........Partly cloudy then becoming mostly cloudy.
  Chance of snow after midnight.
* Chance of precip.....0% increasing to 30% after midnight.
* Min temperature......20-30.
* Max humidity.........81-96 percent.
* 20-foot winds........Northwest winds around 6 mph shifting to the
  south around 8 mph after midnight.
* Mixing height........1400-2400 ft AGL.
* Transport winds......North around 10 mph shifting to the south
  after midnight.

.FRIDAY...
* Sky/weather..........Mostly cloudy. Chance of snow in the
  morning, then snow and rain likely in the afternoon.
* Chance of precip.....50%.
* Max temperature......30-40.
* Min humidity.........63-78 percent.
* 20-foot winds........Southeast winds 10 to 13 mph.
* Mixing height........1600-2300 ft AGL.
* Transport winds......South around 15 mph increasing to around 25
  mph in the afternoon.

.SATURDAY...Snow and rain likely. Lows 28 to 38. Highs 33 to 43.
West winds 7 to 10 mph.
.SUNDAY...Rain and snow. Lows in the mid 30s. Highs in the lower
40s. West winds 7 to 15 mph.
.MONDAY...Mostly cloudy. Rain and snow likely. Lows in the lower
30s. Highs 36 to 46. Southeast winds 3 to 11 mph.
.TUESDAY...Mostly cloudy with a chance of rain and snow. Lows in the
lower 30s. Highs 37 to 47.
.WEDNESDAY...Mostly cloudy. Chance of rain and snow. Lows in the mid
30s. Highs in the mid 40s.

.8 TO 14 day OUTLOOK FOR MAR 01 - 07, 2018
Below normal temperatures and near normal precipitation.

$$

WAZ654>657-230015-
Western Washington Fire Weather Zones 654-655-656-657
Area 4...Interior Lowlands-
344 AM PST Thu Feb 22 2018

.Today...
* Sky/weather..........Mostly sunny.
* Chance of precip.....10%.
* Max temperature......30-40.
* Min humidity.........48-63 percent.
* 20-foot winds........North winds 5 to 8 mph.
* Mixing height........2400 ft AGL increasing to 4500 ft AGL in the
  afternoon.
* Transport winds......North around 10 mph.

.TONIGHT...
* Sky/weather..........Partly cloudy. Chance of snow after
  midnight.
* Chance of precip.....0% increasing to 30% after midnight.
* Min temperature......17-27.
* Max humidity.........80-95 percent.
* 20-foot winds........East winds around 5 mph shifting to the
  southeast after midnight.
* Mixing height........900-1900 ft AGL.
* Transport winds......Northeast around 5 mph shifting to the
  southeast after midnight.

.FRIDAY...
* Sky/weather..........Mostly cloudy. Chance of snow in the
  morning, then snow in the afternoon.
* Chance of precip.....60%.
* Max temperature......28-38.
* Min humidity.........61-76 percent.
* 20-foot winds........South winds 7 to 11 mph.
* Mixing height........1500-2500 ft AGL.
* Transport winds......South around 10 mph increasing to around 20
  mph in the afternoon.

.SATURDAY...Snow with rain likely. Lows in the lower 30s. Highs
33 to 43. West winds 6 to 9 mph.
.SUNDAY...Rain with snow likely. Lows in the mid 30s. Highs 35 to
45. West winds 7 to 10 mph.
.MONDAY...Snow and rain likely. Lows in the lower 30s. Highs 36 to
46. South winds 3 to 6 mph.
.TUESDAY THROUGH WEDNESDAY...Mostly cloudy with a chance of rain and
snow. Lows in the lower 30s. Highs 38 to 48.

.8 TO 14 day OUTLOOK FOR MAR 01 - 07, 2018
Below normal temperatures and near normal precipitation.

$$

WAZ658-659-230015-
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-
344 AM PST Thu Feb 22 2018

.Today...
* Sky/weather..........Partly sunny. Chance of snow in the morning.
* Chance of precip.....10%.
* Max temperature......21-31...except 15-25 ridges.
* Min humidity.........56-71 percent.
* 20-foot winds........
*  Valleys/lwr slopes..Northeast winds around 5 mph shifting to the
   north around 7 mph in the afternoon.
*  Ridges/upr slopes...Northeast winds around 7 mph shifting to the
   north in the afternoon.
* Snow level...........0 feet.
* Mixing height........2000 ft AGL increasing to 4100 ft AGL in the
  afternoon.
* Transport winds......Northeast 5 to 10 mph.

.TONIGHT...
* Sky/weather..........Partly cloudy. Chance of snow after
  midnight.
* Chance of precip.....10% increasing to 30% after midnight.
* Min temperature......10-20...except 5-15 ridges.
* Max humidity.........78-93 percent.
* 20-foot winds........
*  Valleys/lwr slopes..East winds 4 to 7 mph.
*  Ridges/upr slopes...Northeast winds around 5 mph shifting to the
   southeast after midnight.
* Snow level...........0 feet.
* Mixing height........700-1700 ft AGL.
* Transport winds......Northeast around 5 mph shifting to the east
  after midnight.

.FRIDAY...
* Sky/weather..........Mostly cloudy. Chance of snow in the
  morning, then snow in the afternoon.
* Chance of precip.....70%.
* Max temperature......18-28.
* Min humidity.........60-75 percent.
* 20-foot winds........
*  Valleys/lwr slopes..South winds 6 to 9 mph.
*  Ridges/upr slopes...South winds 7 to 11 mph.
* Snow level...........0 feet.
* Mixing height........1200-2200 ft AGL.
* Transport winds......South around 5 mph increasing to southwest
  around 15 mph in the afternoon.

.SATURDAY...Snow. Snow level 500 feet. Lows 19 to 29. Highs 22 to
32. West winds 8 to 11 mph.
.SUNDAY...Snow. Snow level 500 feet. Lows 20 to 30. Highs 25 to 35.
West winds 8 to 13 mph.
.MONDAY...Snow likely. Snow level 0 feet. Lows 22 to 32 valleys...
15 to 25 ridges. Highs 29 to 39 valleys...22 to 32 ridges. Southwest
winds 3 to 7 mph.
.TUESDAY THROUGH WEDNESDAY...Mostly cloudy with a chance of snow.
Snow level 500 feet. Lows 22 to 32 valleys...15 to 25 ridges. Highs
32 to 42 valleys...24 to 34 ridges.

.8 TO 14 day OUTLOOK FOR MAR 01 - 07, 2018
Below normal temperatures and near normal precipitation.

$$

WAZ662-230015-
Western Washington Fire Weather Zone 662
Area 6...North Cascades National Park-Lake Chelan National
Recreational Area-
344 AM PST Thu Feb 22 2018

.Today...
* Sky/weather..........Mostly sunny.
* Chance of precip.....0%.
* Max temperature......21-31...except 14-24 ridges.
* Min humidity.........45-60 percent...except 50-64 percent ridges.
* 20-foot winds........
*  Valleys/lwr slopes..Northwest winds around 3 mph shifting to the
   east in the afternoon.
*  Ridges/upr slopes...Northeast winds 5 to 8 mph.
* Snow level...........0 feet.
* Mixing height........1800 ft AGL increasing to 4300 ft AGL in the
  afternoon.
* Transport winds......Northeast around 5 mph.

.TONIGHT...
* Sky/weather..........Partly cloudy. Slight chance of snow after
  midnight.
* Chance of precip.....10% increasing to 20% after midnight.
* Min temperature......7-17...except 2-12 ridges.
* Max humidity.........71-84 percent.
* 20-foot winds........
*  Valleys/lwr slopes..North winds 4 to 7 mph.
*  Ridges/upr slopes...North winds 6 to 9 mph.
* Snow level...........0 feet.
* Mixing height........2400 ft AGL decreasing to 200 ft AGL after
  midnight.
* Transport winds......North around 5 mph shifting to the west
  after midnight.

.FRIDAY...
* Sky/weather..........Mostly cloudy. Chance of snow in the
  morning, then snow likely in the afternoon.
* Chance of precip.....60%.
* Max temperature......20-30...except 15-25 ridges.
* Min humidity.........55-70 percent.
* 20-foot winds........
*  Valleys/lwr slopes..Northwest winds 5 to 8 mph.
*  Ridges/upr slopes...Southwest winds 9 to 12 mph.
* Snow level...........0 feet.
* Mixing height........1000-2000 ft AGL.
* Transport winds......West around 10 mph increasing to around 20
  mph in the afternoon.

.SATURDAY...Snow. Snow level 500 feet. Lows 16 to 26. Highs 17 to
27. West winds 9 to 12 mph.
.SUNDAY...Snow. Snow level 500 feet. Lows 15 to 25. Highs 21 to 31.
Southwest winds 7 to 12 mph.
.MONDAY...Mostly cloudy with snow likely. Snow level 0 feet. Lows
14 to 24. Highs 21 to 31. West winds 3 to 6 mph.
.TUESDAY THROUGH WEDNESDAY...Mostly cloudy with a chance of snow.
Snow level 500 feet. Lows 14 to 24. Highs 25 to 35.

.8 TO 14 day OUTLOOK FOR MAR 01 - 07, 2018
Below normal temperatures and near 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.