612
FNUS56 KOTX 032222
FWFOTX
FIRE WEATHER PLANNING FORECAST FOR EASTERN WASHINGTON AND NORTH IDAHO
NATIONAL WEATHER SERVICE SPOKANE WA
322 PM PDT MON AUG 3 2026
DISCUSSION
CENTRAL WA:
- POOR TO FAIR RELATIVE HUMIDITY RECOVERIES MONDAY NIGHT.
- UNHEALTHY AIR QUALITY DUE TO SMOKE.
EASTERN WA:
- POOR TO FAIR RELATIVE HUMIDITY RECOVERIES MONDAY NIGHT.
- UNHEALTHY AIR QUALITY DUE TO SMOKE.
NORTH ID:
- POOR TO FAIR RELATIVE HUMIDITY RECOVERIES MONDAY NIGHT.
- UNHEALTHY AIR QUALITY DUE TO SMOKE.
DRY CONDITIONS WILL CONTINUE WITH DAYTIME TEMPERATURES TRENDING
WARMER THROUGH THURSDAY AND FRIDAY. GENERALLY LIGHT WINDS TO
PERSIST THROUGH AT LEAST WEDNESDAY FOR MOST LOCATIONS. EXPECT LOW
RELATIVE HUMIDITIES AGAIN FOR THE NEXT SEVERAL AFTERNOONS, ALONG
WITH POOR OVERNIGHT RECOVERY.
***************************************************************
FORECASTS FOR 20 FOOT WIND SPEEDS (VALLEYS AND RIDGE TOPS) ARE
10 MINUTE AVERAGES REFLECTING RAWS WIND.
***VENTILATION INDEX IS DERIVED FROM TRANSPORT WIND
MULTIPLIED BY THE MIXING HEIGHT DIVIDED BY 100.
CATEGORIES: LOW (< 200), MODERATE (200-500),
HIGH (500-800), AND VERY HIGH (> 800).
***************************************************************
WAZ696-698-041330-
EAST WASHINGTON CENTRAL CASCADES (ZONE 696)-
EAST WASHINGTON NORTH CASCADES (ZONE 698)-
INCLUDING THE CITIES OF STEVENS PASS, LAKE WENATCHEE AREA,
AND LEAVENWORTH
322 PM PDT MON AUG 3 2026
TONIGHT
* SKY/WEATHER.........PARTLY CLOUDY. HAZE AND AREAS OF SMOKE
THROUGH THE NIGHT.
* CHANCE OF LIGHTNING...0 PERCENT.
* MIN TEMPERATURE.....52-62 VALLEYS AND 44-54 MOUNTAINS.
* 24 HR TREND........14 DEGREES WARMER.
* MAX HUMIDITY........35-50 PERCENT.
* 24 HR TREND........20 PERCENT DRIER VALLEYS, AND 45 PERCENT DRIER
MOUNTAINS.
* HUMIDITY RECOVERY...POOR.
* 20-FOOT WINDS.......
* VALLEYS/LWR SLOPES...NORTH UP TO 7 MPH.
* RIDGES/UPR SLOPES....NORTH UP TO 7 MPH.
* MIXING HEIGHT.......6000 FT AGL FALLING TO NEAR SURFACE.
* TRANSPORT WINDS.....NORTHEAST 5 TO 10 MPH.
* CWR (> 0.10 IN).....0 PERCENT.
* VENTILATION INDEX...HIGH (538) IN THE EVENING DECREASING TO LOW
(49) OVERNIGHT.
TUESDAY
* SKY/WEATHER.........SUNNY. HAZE AND AREAS OF SMOKE THROUGH THE
DAY.
* CHANCE OF LIGHTNING...0 PERCENT.
* MAX TEMPERATURE.....82-92 VALLEYS AND 70-80 MOUNTAINS.
* 24 HR TREND........5 DEGREES WARMER.
* MIN HUMIDITY........18-28 PERCENT.
* 24 HR TREND........6 PERCENT DRIER.
* 20-FOOT WINDS.......
* VALLEYS/LWR SLOPES...NORTHEAST UP TO 6 MPH IN THE MORNING
SHIFTING TO THE SOUTHEAST 3 TO 6 MPH IN THE AFTERNOON.
* RIDGES/UPR SLOPES....EAST 3 TO 6 MPH.
* MIXING HEIGHT.......7000 FT AGL.
* TRANSPORT WINDS.....NORTHEAST 5 TO 10 MPH.
* CWR (> 0.10 IN).....0 PERCENT.
* VENTILATION INDEX...MODERATE (330) IN THE MORNING INCREASING TO
HIGH (525) IN THE AFTERNOON.
TUESDAY NIGHT
* SKY/WEATHER.........MOSTLY CLEAR. HAZE AND AREAS OF SMOKE.
* CHANCE OF LIGHTNING...0 PERCENT.
* MIN TEMPERATURE.....57-65 VALLEYS AND 49-59 MOUNTAINS.
* MAX HUMIDITY........30-45 PERCENT.
* HUMIDITY RECOVERY...POOR.
* 20-FOOT WINDS.......
* VALLEYS/LWR SLOPES...NORTHWEST UP TO 7 MPH.
* RIDGES/UPR SLOPES....NORTHWEST UP TO 7 MPH.
* MIXING HEIGHT.......6500 FT AGL FALLING TO NEAR SURFACE.
* TRANSPORT WINDS.....NORTHWEST 5 TO 10 MPH.
* CWR (> 0.10 IN).....0 PERCENT.
* VENTILATION INDEX...HIGH (512) IN THE EVENING DECREASING TO LOW
(46) OVERNIGHT.
WEDNESDAY
* SKY/WEATHER.........SUNNY.
* CHANCE OF LIGHTNING...0 PERCENT.
* MAX TEMPERATURE.....87-97 VALLEYS AND 76-86 MOUNTAINS.
* MIN HUMIDITY........15-25 PERCENT.
* 20-FOOT WINDS.......
* VALLEYS/LWR SLOPES...NORTHWEST UP TO 5 MPH IN THE MORNING
SHIFTING TO THE SOUTHEAST 3 TO 7 MPH IN THE AFTERNOON.
* RIDGES/UPR SLOPES....NORTHWEST 3 TO 5 MPH IN THE MORNING SHIFTING
TO THE SOUTH 3 TO 7 MPH IN THE AFTERNOON.
* MIXING HEIGHT.......7500 FT AGL.
* TRANSPORT WINDS.....SOUTHWEST 5 TO 10 MPH.
* CWR (> 0.10 IN).....0 PERCENT.
* VENTILATION INDEX...MODERATE (342) IN THE MORNING INCREASING TO
HIGH (765) IN THE AFTERNOON.
FORECAST DAYS 3 THROUGH 7...
THURSDAY...CLEAR. LOWS 60 TO 68 VALLEYS
53 TO 63 MOUNTAINS.
HIGHS 91 TO 101 VALLEYS...78 TO 88 MOUNTAINS. WEST WIND UP TO
10 MPH.
FRIDAY THROUGH SATURDAY...MOSTLY CLEAR. LOWS 58 TO 68 VALLEYS
51 TO 61 MOUNTAINS. HIGHS 83 TO 93 VALLEYS...72 TO 82 MOUNTAINS.
WEST WIND 5 TO 15 MPH.
SUNDAY THROUGH MONDAY...MOSTLY CLEAR. LOWS 54 TO 64 VALLEYS
48 TO 58 MOUNTAINS. HIGHS 79 TO 89 VALLEYS...67 TO 77 MOUNTAINS.
.8 TO 14 DAY OUTLOOK FOR AUG 11 - 17 2026
ABOVE NORMAL TEMPERATURES AND NEAR NORMAL PRECIPITATION.
WAZ697-041330-
EAST PORTION OF NORTH CASCADES NATIONAL PARK/LAKE CHELAN NATIONAL
RECREATION AREA (ZONE 697)-
INCLUDING THE CITY OF STEHEKIN
322 PM PDT MON AUG 3 2026
TONIGHT
* SKY/WEATHER.........MOSTLY CLEAR. AREAS OF SMOKE AND HAZE.
* CHANCE OF LIGHTNING...0 PERCENT.
* MIN TEMPERATURE.....54-62 VALLEYS AND 44-54 MOUNTAINS.
* 24 HR TREND........UNCHANGED VALLEYS, AND 9 DEGREES WARMER
MOUNTAINS.
* MAX HUMIDITY........35-50 PERCENT.
* 24 HR TREND........20 PERCENT DRIER VALLEYS, AND 35 PERCENT DRIER
MOUNTAINS.
* HUMIDITY RECOVERY...POOR.
* 20-FOOT WINDS.......
* VALLEYS/LWR SLOPES...NORTHWEST 3 TO 6 MPH IN THE EVENING SHIFTING
TO THE NORTHEAST 3 TO 4 MPH OVERNIGHT.
* RIDGES/UPR SLOPES....NORTHEAST 3 TO 9 MPH.
* MIXING HEIGHT.......6000 FT AGL FALLING TO NEAR SURFACE.
* TRANSPORT WINDS.....NORTHEAST 5 TO 10 MPH.
* CWR (> 0.10 IN).....0 PERCENT.
* VENTILATION INDEX...HIGH (505) IN THE EVENING DECREASING TO LOW
(30) OVERNIGHT.
TUESDAY
* SKY/WEATHER.........SUNNY. PATCHY SMOKE EARLY IN THE MORNING.
HAZE THROUGH THE DAY.
* CHANCE OF LIGHTNING...0 PERCENT.
* MAX TEMPERATURE.....83-93 VALLEYS AND 70-80 MOUNTAINS.
* 24 HR TREND........5 DEGREES WARMER.
* MIN HUMIDITY........19-29 PERCENT.
* 24 HR TREND........7 PERCENT DRIER.
* 20-FOOT WINDS.......
* VALLEYS/LWR SLOPES...EAST AROUND 3 MPH IN THE MORNING SHIFTING TO
THE SOUTHWEST 3 TO 6 MPH IN THE AFTERNOON.
* RIDGES/UPR SLOPES....EAST 3 TO 7 MPH IN THE MORNING SHIFTING TO
THE SOUTHWEST 3 TO 8 MPH IN THE AFTERNOON.
* MIXING HEIGHT.......7000 FT AGL.
* TRANSPORT WINDS.....NORTHEAST 5 TO 10 MPH.
* CWR (> 0.10 IN).....0 PERCENT.
* VENTILATION INDEX...MODERATE (293) IN THE MORNING INCREASING TO
HIGH (521) IN THE AFTERNOON.
TUESDAY NIGHT
* SKY/WEATHER.........MOSTLY CLEAR. AREAS OF SMOKE AND HAZE.
* CHANCE OF LIGHTNING...0 PERCENT.
* MIN TEMPERATURE.....58-66 VALLEYS AND 49-59 MOUNTAINS.
* MAX HUMIDITY........30-45 PERCENT.
* HUMIDITY RECOVERY...POOR.
* 20-FOOT WINDS.......
* VALLEYS/LWR SLOPES...NORTHWEST 3 TO 6 MPH IN THE EVENING SHIFTING
TO THE NORTH AROUND 3 MPH OVERNIGHT.
* RIDGES/UPR SLOPES....NORTHWEST 3 TO 8 MPH IN THE EVENING SHIFTING
TO THE NORTHEAST 3 TO 6 MPH OVERNIGHT.
* MIXING HEIGHT.......6000 FT AGL FALLING TO NEAR SURFACE.
* TRANSPORT WINDS.....NORTH 5 TO 10 MPH.
* CWR (> 0.10 IN).....0 PERCENT.
* VENTILATION INDEX...MODERATE (446) IN THE EVENING DECREASING TO
LOW (30) OVERNIGHT.
WEDNESDAY
* SKY/WEATHER.........SUNNY.
* CHANCE OF LIGHTNING...0 PERCENT.
* MAX TEMPERATURE.....88-98 VALLEYS AND 77-87 MOUNTAINS.
* MIN HUMIDITY........15-24 PERCENT.
* 20-FOOT WINDS.......
* VALLEYS/LWR SLOPES...NORTHEAST 3 TO 4 MPH IN THE MORNING SHIFTING
TO THE SOUTH 3 TO 5 MPH IN THE AFTERNOON.
* RIDGES/UPR SLOPES....EAST 3 TO 7 MPH IN THE MORNING SHIFTING TO
THE SOUTHWEST 3 TO 6 MPH IN THE AFTERNOON.
* MIXING HEIGHT.......8000 FT AGL.
* TRANSPORT WINDS.....SOUTHWEST 5 TO 10 MPH.
* CWR (> 0.10 IN).....0 PERCENT.
* VENTILATION INDEX...MODERATE (330) IN THE MORNING INCREASING TO
HIGH (692) IN THE AFTERNOON.
FORECAST DAYS 3 THROUGH 7...
THURSDAY...CLEAR. LOWS 60 TO 69 VALLEYS
52 TO 62 MOUNTAINS.
HIGHS 89 TO 99 VALLEYS...76 TO 86 MOUNTAINS. WEST WIND UP TO
10 MPH.
FRIDAY...MOSTLY CLEAR. LOWS 59 TO 69 VALLEYS
51 TO
61 MOUNTAINS. HIGHS 83 TO 93 VALLEYS...71 TO 81 MOUNTAINS. WEST
WIND 5 TO 15 MPH.
SATURDAY...MOSTLY CLEAR. LOWS 55 TO 65 VALLEYS
47 TO
57 MOUNTAINS. HIGHS 78 TO 88 VALLEYS...66 TO 76 MOUNTAINS. WEST
WIND 5 TO 10 MPH.
SUNDAY THROUGH MONDAY...MOSTLY CLEAR. LOWS 54 TO 64 VALLEYS
46 TO 56 MOUNTAINS. HIGHS 77 TO 87 VALLEYS...65 TO 75 MOUNTAINS.
.8 TO 14 DAY OUTLOOK FOR AUG 11 - 17 2026
ABOVE NORMAL TEMPERATURES AND NEAR NORMAL PRECIPITATION.
WAZ704-041330-
METHOW VALLEY (ZONE 704)-
INCLUDING THE CITIES OF MAZAMA, WINTHROP, AND TWISP
322 PM PDT MON AUG 3 2026
TONIGHT
* SKY/WEATHER.........MOSTLY CLEAR. HAZE AND AREAS OF SMOKE.
* CHANCE OF LIGHTNING...0 PERCENT.
* MIN TEMPERATURE.....51-61.
* 24 HR TREND........7 DEGREES WARMER.
* MAX HUMIDITY........35-45 PERCENT.
* 24 HR TREND........25 PERCENT DRIER.
* HUMIDITY RECOVERY...POOR.
* 20-FOOT WINDS.......NORTH 3 TO 6 MPH.
* MIXING HEIGHT.......7000 FT AGL FALLING TO NEAR SURFACE.
* TRANSPORT WINDS.....NORTH 5 TO 10 MPH.
* CWR (> 0.10 IN).....0 PERCENT.
* VENTILATION INDEX...HIGH (536) IN THE EVENING DECREASING TO LOW
(47) OVERNIGHT.
TUESDAY
* SKY/WEATHER.........SUNNY. HAZE AND PATCHY SMOKE.
* CHANCE OF LIGHTNING...0 PERCENT.
* MAX TEMPERATURE.....83-92.
* 24 HR TREND........5 DEGREES WARMER.
* MIN HUMIDITY........13-17 PERCENT.
* 24 HR TREND........6 PERCENT DRIER.
* 20-FOOT WINDS.......NORTH UP TO 5 MPH IN THE MORNING SHIFTING TO
THE SOUTHEAST 3 TO 6 MPH IN THE AFTERNOON.
* MIXING HEIGHT.......7500 FT AGL.
* TRANSPORT WINDS.....NORTH 5 TO 10 MPH.
* CWR (> 0.10 IN).....0 PERCENT.
* VENTILATION INDEX...MODERATE (375) IN THE MORNING INCREASING TO
HIGH (534) IN THE AFTERNOON.
TUESDAY NIGHT
* SKY/WEATHER.........MOSTLY CLEAR. HAZE AND AREAS OF SMOKE.
* CHANCE OF LIGHTNING...0 PERCENT.
* MIN TEMPERATURE.....55-64.
* MAX HUMIDITY........29-40 PERCENT.
* HUMIDITY RECOVERY...POOR.
* 20-FOOT WINDS.......SOUTH 3 TO 6 MPH IN THE EVENING SHIFTING TO
THE NORTHWEST 3 TO 4 MPH OVERNIGHT.
* MIXING HEIGHT.......6500 FT AGL FALLING TO NEAR SURFACE.
* TRANSPORT WINDS.....NORTHWEST 5 TO 10 MPH.
* CWR (> 0.10 IN).....0 PERCENT.
* VENTILATION INDEX...HIGH (520) IN THE EVENING DECREASING TO LOW
(44) OVERNIGHT.
WEDNESDAY
* SKY/WEATHER.........SUNNY.
* CHANCE OF LIGHTNING...0 PERCENT.
* MAX TEMPERATURE.....88-98.
* MIN HUMIDITY........12-15 PERCENT.
* 20-FOOT WINDS.......NORTHWEST UP TO 4 MPH IN THE MORNING SHIFTING
TO THE SOUTHEAST 3 TO 8 MPH IN THE AFTERNOON.
* MIXING HEIGHT.......7500 FT AGL.
* TRANSPORT WINDS.....SOUTHWEST 5 TO 10 MPH.
* CWR (> 0.10 IN).....0 PERCENT.
* VENTILATION INDEX...MODERATE (310) IN THE MORNING INCREASING TO
HIGH (672) IN THE AFTERNOON.
FORECAST DAYS 3 THROUGH 7...
THURSDAY THROUGH FRIDAY
MOSTLY CLEAR. LOWS 58 TO 68. HIGHS
92 TO 102. NORTHWEST WIND 4 TO 15 MPH.
SATURDAY
MOSTLY CLEAR. LOWS 56 TO 65. HIGHS 85 TO 95.
NORTHWEST WIND UP TO 10 MPH.
SUNDAY THROUGH MONDAY
MOSTLY CLEAR. LOWS 55 TO 65. HIGHS 83 TO
92.
.8 TO 14 DAY OUTLOOK FOR AUG 11 - 17 2026
ABOVE NORMAL TEMPERATURES AND NEAR NORMAL PRECIPITATION.
WAZ703-041330-
OKANOGAN VALLEY (ZONE 703)-
INCLUDING THE CITIES OF CONCONULLY AND OMAK
322 PM PDT MON AUG 3 2026
TONIGHT
* SKY/WEATHER.........MOSTLY CLEAR. HAZE AND AREAS OF SMOKE.
* CHANCE OF LIGHTNING...0 PERCENT.
* MIN TEMPERATURE.....54-61.
* 24 HR TREND........2 DEGREES WARMER.
* MAX HUMIDITY........35-45 PERCENT.
* 24 HR TREND........20 PERCENT DRIER.
* HUMIDITY RECOVERY...POOR.
* 20-FOOT WINDS.......NORTH 3 TO 10 MPH.
* MIXING HEIGHT.......6500 FT AGL FALLING TO NEAR SURFACE.
* TRANSPORT WINDS.....NORTH 5 TO 15 MPH.
* CWR (> 0.10 IN).....0 PERCENT.
* VENTILATION INDEX...HIGH (715) IN THE EVENING DECREASING TO LOW
(52) OVERNIGHT.
TUESDAY
* SKY/WEATHER.........SUNNY. HAZE AND AREAS OF SMOKE.
* CHANCE OF LIGHTNING...0 PERCENT.
* MAX TEMPERATURE.....83-92.
* 24 HR TREND........5 DEGREES WARMER.
* MIN HUMIDITY........13-18 PERCENT.
* 24 HR TREND........6 PERCENT DRIER.
* 20-FOOT WINDS.......NORTH 3 TO 10 MPH.
* MIXING HEIGHT.......8000 FT AGL.
* TRANSPORT WINDS.....NORTH 5 TO 10 MPH.
* CWR (> 0.10 IN).....0 PERCENT.
* VENTILATION INDEX...MODERATE (497) IN THE MORNING INCREASING TO
HIGH (541) IN THE AFTERNOON.
TUESDAY NIGHT
* SKY/WEATHER.........MOSTLY CLEAR. HAZE AND AREAS OF SMOKE.
* CHANCE OF LIGHTNING...0 PERCENT.
* MIN TEMPERATURE.....57-64.
* MAX HUMIDITY........28-40 PERCENT.
* HUMIDITY RECOVERY...POOR.
* 20-FOOT WINDS.......NORTH 3 TO 6 MPH.
* MIXING HEIGHT.......6500 FT AGL FALLING TO NEAR SURFACE.
* TRANSPORT WINDS.....NORTH 5 TO 10 MPH.
* CWR (> 0.10 IN).....0 PERCENT.
* VENTILATION INDEX...MODERATE (456) IN THE EVENING DECREASING TO
LOW (34) OVERNIGHT.
WEDNESDAY
* SKY/WEATHER.........SUNNY.
* CHANCE OF LIGHTNING...0 PERCENT.
* MAX TEMPERATURE.....88-97.
* MIN HUMIDITY........11-16 PERCENT.
* 20-FOOT WINDS.......NORTH 3 TO 6 MPH IN THE MORNING SHIFTING TO
THE SOUTH 3 TO 9 MPH IN THE AFTERNOON.
* MIXING HEIGHT.......8000 FT AGL.
* TRANSPORT WINDS.....WEST 5 TO 10 MPH.
* CWR (> 0.10 IN).....0 PERCENT.
* VENTILATION INDEX...MODERATE (241) IN THE MORNING INCREASING TO
HIGH (773) IN THE AFTERNOON.
FORECAST DAYS 3 THROUGH 7...
THURSDAY THROUGH FRIDAY
MOSTLY CLEAR. LOWS 61 TO 69. HIGHS
92 TO 102. NORTHWEST WIND 4 TO 15 MPH.
SATURDAY
MOSTLY CLEAR. LOWS 60 TO 66. HIGHS 87 TO 96.
NORTHWEST WIND UP TO 10 MPH.
SUNDAY THROUGH MONDAY
MOSTLY CLEAR. LOWS 60 TO 67. HIGHS 84 TO
93.
.8 TO 14 DAY OUTLOOK FOR AUG 11 - 17 2026
ABOVE NORMAL TEMPERATURES AND NEAR NORMAL PRECIPITATION.
WAZ702-041330-
COLVILLE RESERVATION (ZONE 702)-
INCLUDING THE CITIES OF NESPELEM AND KELLER
322 PM PDT MON AUG 3 2026
TONIGHT
* SKY/WEATHER.........MOSTLY CLEAR. HAZE AND AREAS OF SMOKE.
* CHANCE OF LIGHTNING...0 PERCENT.
* MIN TEMPERATURE.....51-58.
* 24 HR TREND........3 DEGREES WARMER.
* MAX HUMIDITY........35-50 PERCENT.
* 24 HR TREND........10 PERCENT DRIER.
* HUMIDITY RECOVERY...POOR.
* 20-FOOT WINDS.......
* VALLEYS/LWR SLOPES...NORTH 3 TO 8 MPH.
* RIDGES/UPR SLOPES....NORTH 3 TO 8 MPH.
* MIXING HEIGHT.......8000 FT AGL FALLING TO NEAR SURFACE.
* TRANSPORT WINDS.....NORTH 5 TO 10 MPH.
* CWR (> 0.10 IN).....0 PERCENT.
* VENTILATION INDEX...HIGH (650) IN THE EVENING DECREASING TO LOW
(44) OVERNIGHT.
TUESDAY
* SKY/WEATHER.........SUNNY. HAZE AND AREAS OF SMOKE.
* CHANCE OF LIGHTNING...0 PERCENT.
* MAX TEMPERATURE.....82-92 VALLEYS AND 74-84 MOUNTAINS.
* 24 HR TREND........4 DEGREES WARMER.
* MIN HUMIDITY........13-19 PERCENT.
* 24 HR TREND........6 PERCENT DRIER.
* 20-FOOT WINDS.......
* VALLEYS/LWR SLOPES...NORTH 3 TO 7 MPH.
* RIDGES/UPR SLOPES....NORTH 3 TO 7 MPH.
* MIXING HEIGHT.......8500 FT AGL.
* TRANSPORT WINDS.....NORTH 5 TO 10 MPH.
* CWR (> 0.10 IN).....0 PERCENT.
* VENTILATION INDEX...MODERATE (380) IN THE MORNING INCREASING TO
HIGH (535) IN THE AFTERNOON.
TUESDAY NIGHT
* SKY/WEATHER.........MOSTLY CLEAR. HAZE AND AREAS OF SMOKE.
* CHANCE OF LIGHTNING...0 PERCENT.
* MIN TEMPERATURE.....55-60.
* MAX HUMIDITY........30-40 PERCENT.
* HUMIDITY RECOVERY...POOR.
* 20-FOOT WINDS.......
* VALLEYS/LWR SLOPES...WEST UP TO 5 MPH IN THE EVENING SHIFTING TO
THE NORTH UP TO 4 MPH OVERNIGHT.
* RIDGES/UPR SLOPES....NORTH 3 TO 6 MPH.
* MIXING HEIGHT.......7500 FT AGL FALLING TO NEAR SURFACE.
* TRANSPORT WINDS.....NORTH 5 TO 10 MPH.
* CWR (> 0.10 IN).....0 PERCENT.
* VENTILATION INDEX...MODERATE (487) IN THE EVENING DECREASING TO
LOW (31) OVERNIGHT.
WEDNESDAY
* SKY/WEATHER.........SUNNY.
* CHANCE OF LIGHTNING...0 PERCENT.
* MAX TEMPERATURE.....87-97 VALLEYS AND 79-89 MOUNTAINS.
* MIN HUMIDITY........11-17 PERCENT.
* 20-FOOT WINDS.......
* VALLEYS/LWR SLOPES...NORTHEAST 3 TO 5 MPH IN THE MORNING SHIFTING
TO THE SOUTHWEST 3 TO 7 MPH IN THE AFTERNOON.
* RIDGES/UPR SLOPES....NORTH 3 TO 5 MPH IN THE MORNING SHIFTING TO
THE SOUTHWEST 3 TO 6 MPH IN THE AFTERNOON.
* MIXING HEIGHT.......8500 FT AGL.
* TRANSPORT WINDS.....WEST 5 TO 10 MPH.
* CWR (> 0.10 IN).....0 PERCENT.
* VENTILATION INDEX...MODERATE (335) IN THE MORNING INCREASING TO
HIGH (734) IN THE AFTERNOON.
FORECAST DAYS 3 THROUGH 7...
THURSDAY THROUGH FRIDAY
MOSTLY CLEAR. LOWS 59 TO 66. HIGHS
91 TO 101 VALLEYS...84 TO 94 MOUNTAINS. WEST WIND 4 TO 15 MPH.
SATURDAY...MOSTLY CLEAR. LOWS 58 TO 64. HIGHS 86 TO 96 VALLEYS
78 TO 88 MOUNTAINS. WEST WIND UP TO 10 MPH.
SUNDAY THROUGH MONDAY
MOSTLY CLEAR. LOWS 57 TO 64. HIGHS 82 TO
92 VALLEYS...75 TO 85 MOUNTAINS.
.8 TO 14 DAY OUTLOOK FOR AUG 11 - 17 2026
ABOVE NORMAL TEMPERATURES AND NEAR NORMAL PRECIPITATION.
WAZ699-041330-
OKANOGAN HIGHLANDS AND KETTLE MOUNTAINS (ZONE 699)-
INCLUDING THE CITIES OF REPUBLIC AND CURLEW
322 PM PDT MON AUG 3 2026
TONIGHT
* SKY/WEATHER.........MOSTLY CLEAR.
* CHANCE OF LIGHTNING...0 PERCENT.
* MIN TEMPERATURE.....46-55.
* 24 HR TREND........1 DEGREE WARMER.
* MAX HUMIDITY........45-60 PERCENT.
* 24 HR TREND........5 PERCENT DRIER VALLEYS, AND 25 PERCENT DRIER
MOUNTAINS.
* HUMIDITY RECOVERY...POOR.
* 20-FOOT WINDS.......
* VALLEYS/LWR SLOPES...NORTH 3 TO 6 MPH.
* RIDGES/UPR SLOPES....NORTH 3 TO 6 MPH.
* MIXING HEIGHT.......7500 FT AGL FALLING TO NEAR SURFACE.
* TRANSPORT WINDS.....NORTH 5 TO 10 MPH.
* CWR (> 0.10 IN).....0 PERCENT.
* VENTILATION INDEX...HIGH (665) IN THE EVENING DECREASING TO LOW
(37) OVERNIGHT.
TUESDAY
* SKY/WEATHER.........SUNNY.
* CHANCE OF LIGHTNING...0 PERCENT.
* MAX TEMPERATURE.....81-90 VALLEYS AND 73-83 MOUNTAINS.
* 24 HR TREND........6 DEGREES WARMER.
* MIN HUMIDITY........13-20 PERCENT.
* 24 HR TREND........6 PERCENT DRIER.
* 20-FOOT WINDS.......
* VALLEYS/LWR SLOPES...NORTH 3 TO 6 MPH.
* RIDGES/UPR SLOPES....NORTH 3 TO 6 MPH.
* MIXING HEIGHT.......8500 FT AGL.
* TRANSPORT WINDS.....NORTH 5 TO 10 MPH.
* CWR (> 0.10 IN).....0 PERCENT.
* VENTILATION INDEX...MODERATE (347) IN THE MORNING INCREASING TO
HIGH (564) IN THE AFTERNOON.
TUESDAY NIGHT
* SKY/WEATHER.........MOSTLY CLEAR. HAZE LATE IN THE EVENING.
* CHANCE OF LIGHTNING...0 PERCENT.
* MIN TEMPERATURE.....50-59.
* MAX HUMIDITY........40-55 PERCENT VALLEYS AND 30-40 PERCENT
MOUNTAINS.
* HUMIDITY RECOVERY...POOR.
* 20-FOOT WINDS.......
* VALLEYS/LWR SLOPES...NORTH UP TO 4 MPH.
* RIDGES/UPR SLOPES....NORTH UP TO 4 MPH.
* MIXING HEIGHT.......7500 FT AGL FALLING TO NEAR SURFACE.
* TRANSPORT WINDS.....NORTH 5 TO 10 MPH.
* CWR (> 0.10 IN).....0 PERCENT.
* VENTILATION INDEX...HIGH (514) IN THE EVENING DECREASING TO LOW
(33) OVERNIGHT.
WEDNESDAY
* SKY/WEATHER.........SUNNY.
* CHANCE OF LIGHTNING...0 PERCENT.
* MAX TEMPERATURE.....87-97 VALLEYS AND 79-89 MOUNTAINS.
* MIN HUMIDITY........13-18 PERCENT.
* 20-FOOT WINDS.......
* VALLEYS/LWR SLOPES...NORTH UP TO 4 MPH IN THE MORNING SHIFTING TO
THE SOUTHWEST 3 TO 6 MPH IN THE AFTERNOON.
* RIDGES/UPR SLOPES....NORTH UP TO 4 MPH IN THE MORNING SHIFTING TO
THE SOUTHWEST 3 TO 6 MPH IN THE AFTERNOON.
* MIXING HEIGHT.......9000 FT AGL.
* TRANSPORT WINDS.....NORTHWEST 5 TO 10 MPH.
* CWR (> 0.10 IN).....0 PERCENT.
* VENTILATION INDEX...MODERATE (322) IN THE MORNING INCREASING TO
HIGH (746) IN THE AFTERNOON.
FORECAST DAYS 3 THROUGH 7...
THURSDAY THROUGH FRIDAY
MOSTLY CLEAR. LOWS 55 TO 65. HIGHS
91 TO 101 VALLEYS...83 TO 93 MOUNTAINS. WEST WIND UP TO 10 MPH.
SATURDAY...MOSTLY CLEAR. LOWS 55 TO 62. HIGHS 87 TO 97 VALLEYS
78 TO 87 MOUNTAINS. WEST WIND UP TO 5 MPH.
SUNDAY...MOSTLY CLEAR. LOWS 55 TO 63. HIGHS 83 TO 93 VALLEYS
75 TO 85 MOUNTAINS.
MONDAY...PARTLY CLOUDY. LOWS 53 TO 62. HIGHS 82 TO 92 VALLEYS
73 TO 83 MOUNTAINS.
.8 TO 14 DAY OUTLOOK FOR AUG 11 - 17 2026
ABOVE NORMAL TEMPERATURES AND NEAR NORMAL PRECIPITATION.
WAZ700-701-041330-
SELKIRK MOUNTAINS OF NORTHEAST WASHINGTON (ZONE 700)-
FOOTHILLS OF NORTHEAST WASHINGTON (ZONE 701)-
INCLUDING THE CITIES OF METALINE FALLS, IONE, COLVILLE,
DEER PARK, AND NEWPORT
322 PM PDT MON AUG 3 2026
TONIGHT
* SKY/WEATHER.........MOSTLY CLEAR. HAZE AND AREAS OF SMOKE.
* CHANCE OF LIGHTNING...0 PERCENT.
* MIN TEMPERATURE.....45-55.
* 24 HR TREND........3 DEGREES WARMER.
* MAX HUMIDITY........55-70 PERCENT VALLEYS AND 45-60 PERCENT
MOUNTAINS.
* 24 HR TREND........10 PERCENT DRIER VALLEYS, AND UNCHANGED
MOUNTAINS.
* HUMIDITY RECOVERY...FAIR.
* 20-FOOT WINDS.......
* VALLEYS/LWR SLOPES...NORTH UP TO 6 MPH.
* RIDGES/UPR SLOPES....NORTH UP TO 7 MPH.
* MIXING HEIGHT.......8000 FT AGL FALLING TO NEAR SURFACE.
* TRANSPORT WINDS.....NORTH 5 TO 10 MPH.
* CWR (> 0.10 IN).....0 PERCENT.
* VENTILATION INDEX...HIGH (543) IN THE EVENING DECREASING TO LOW
(32) OVERNIGHT.
TUESDAY
* SKY/WEATHER.........SUNNY. HAZE.
* CHANCE OF LIGHTNING...0 PERCENT.
* MAX TEMPERATURE.....81-89 VALLEYS AND 71-81 MOUNTAINS.
* 24 HR TREND........4 DEGREES WARMER.
* MIN HUMIDITY........15-22 PERCENT.
* 24 HR TREND........5 PERCENT DRIER.
* 20-FOOT WINDS.......
* VALLEYS/LWR SLOPES...NORTH 3 TO 6 MPH.
* RIDGES/UPR SLOPES....NORTHEAST 3 TO 6 MPH IN THE MORNING SHIFTING
TO THE NORTHWEST IN THE AFTERNOON.
* MIXING HEIGHT.......8000 FT AGL.
* TRANSPORT WINDS.....NORTH AROUND 5 MPH.
* CWR (> 0.10 IN).....0 PERCENT.
* VENTILATION INDEX...MODERATE (489).
TUESDAY NIGHT
* SKY/WEATHER.........MOSTLY CLEAR. HAZE AND AREAS OF SMOKE.
* CHANCE OF LIGHTNING...0 PERCENT.
* MIN TEMPERATURE.....48-58.
* MAX HUMIDITY........45-60 PERCENT VALLEYS AND 35-50 PERCENT
MOUNTAINS.
* HUMIDITY RECOVERY...POOR.
* 20-FOOT WINDS.......
* VALLEYS/LWR SLOPES...NORTH UP TO 3 MPH IN THE EVENING BECOMING
LIGHT OVERNIGHT.
* RIDGES/UPR SLOPES....NORTHWEST 3 TO 6 MPH IN THE EVENING SHIFTING
TO THE NORTH UP TO 4 MPH OVERNIGHT.
* MIXING HEIGHT.......7000 FT AGL FALLING TO NEAR SURFACE.
* TRANSPORT WINDS.....NORTH AROUND 5 MPH.
* CWR (> 0.10 IN).....0 PERCENT.
* VENTILATION INDEX...MODERATE (471) IN THE EVENING DECREASING TO
LOW (25) OVERNIGHT.
WEDNESDAY
* SKY/WEATHER.........SUNNY.
* CHANCE OF LIGHTNING...0 PERCENT.
* MAX TEMPERATURE.....86-95 VALLEYS AND 76-86 MOUNTAINS.
* MIN HUMIDITY........13-20 PERCENT.
* 20-FOOT WINDS.......
* VALLEYS/LWR SLOPES...NORTHEAST UP TO 3 MPH IN THE MORNING
SHIFTING TO THE SOUTHWEST 3 TO 4 MPH IN THE AFTERNOON.
* RIDGES/UPR SLOPES....NORTH 3 TO 5 MPH IN THE MORNING SHIFTING TO
THE WEST 3 TO 6 MPH IN THE AFTERNOON.
* MIXING HEIGHT.......9000 FT AGL.
* TRANSPORT WINDS.....NORTHWEST 5 TO 10 MPH.
* CWR (> 0.10 IN).....0 PERCENT.
* VENTILATION INDEX...MODERATE (317) IN THE MORNING INCREASING TO
HIGH (726) IN THE AFTERNOON.
FORECAST DAYS 3 THROUGH 7...
THURSDAY THROUGH FRIDAY
MOSTLY CLEAR. LOWS 54 TO 64. HIGHS
90 TO 100 VALLEYS...82 TO 92 MOUNTAINS. SOUTH WIND UP TO 10 MPH.
SATURDAY...MOSTLY CLEAR. LOWS 53 TO 62. HIGHS 86 TO 94 VALLEYS
77 TO 87 MOUNTAINS. SOUTHWEST WIND UP TO 10 MPH.
SUNDAY THROUGH MONDAY
MOSTLY CLEAR. LOWS 52 TO 62. HIGHS 82 TO
91 VALLEYS...73 TO 83 MOUNTAINS.
.8 TO 14 DAY OUTLOOK FOR AUG 11 - 17 2026
ABOVE NORMAL TEMPERATURES AND NEAR NORMAL PRECIPITATION.
IDZ101-041330-
NORTHERN AND CENTRAL IDAHO PANHANDLE (ZONE 101)-
INCLUDING THE CITIES OF ST. MARIES, RATHDRUM PRAIRIE,
SILVER VALLEY, BONNERS FERRY, AND PRIEST LAKE
322 PM PDT MON AUG 3 2026
TONIGHT
* SKY/WEATHER.........MOSTLY CLEAR. HAZE AND AREAS OF SMOKE.
* CHANCE OF LIGHTNING...0 PERCENT.
* MIN TEMPERATURE.....45-55.
* 24 HR TREND........4 DEGREES WARMER.
* MAX HUMIDITY........60-75 PERCENT VALLEYS AND 45-60 PERCENT
MOUNTAINS.
* 24 HR TREND........5 PERCENT DRIER VALLEYS, AND 25 PERCENT DRIER
MOUNTAINS.
* HUMIDITY RECOVERY...FAIR.
* 20-FOOT WINDS.......
* VALLEYS/LWR SLOPES...NORTH UP TO 6 MPH.
* RIDGES/UPR SLOPES....NORTHEAST UP TO 6 MPH.
* MIXING HEIGHT.......7000 FT AGL FALLING TO NEAR SURFACE.
* TRANSPORT WINDS.....NORTH 5 TO 10 MPH.
* CWR (> 0.10 IN).....0 PERCENT.
* VENTILATION INDEX...MODERATE (467) IN THE EVENING DECREASING TO
LOW (33) OVERNIGHT.
TUESDAY
* SKY/WEATHER.........MOSTLY SUNNY. HAZE UNTIL LATE AFTERNOON.
* CHANCE OF LIGHTNING...0 PERCENT.
* MAX TEMPERATURE.....79-86 VALLEYS AND 69-79 MOUNTAINS.
* 24 HR TREND........9 DEGREES WARMER.
* MIN HUMIDITY........18-28 PERCENT.
* 24 HR TREND........8 PERCENT DRIER.
* 20-FOOT WINDS.......
* VALLEYS/LWR SLOPES...NORTHEAST 3 TO 4 MPH IN THE MORNING SHIFTING
TO THE NORTHWEST 3 TO 5 MPH IN THE AFTERNOON.
* RIDGES/UPR SLOPES....NORTHEAST 3 TO 6 MPH IN THE MORNING SHIFTING
TO THE NORTHWEST IN THE AFTERNOON.
* MIXING HEIGHT.......8000 FT AGL.
* TRANSPORT WINDS.....NORTH 5 TO 10 MPH.
* CWR (> 0.10 IN).....0 PERCENT.
* VENTILATION INDEX...MODERATE (469).
TUESDAY NIGHT
* SKY/WEATHER.........PARTLY CLOUDY.
* CHANCE OF LIGHTNING...0 PERCENT.
* MIN TEMPERATURE.....49-57.
* MAX HUMIDITY........50-65 PERCENT VALLEYS AND 40-50 PERCENT
MOUNTAINS.
* HUMIDITY RECOVERY...POOR.
* 20-FOOT WINDS.......
* VALLEYS/LWR SLOPES...NORTHWEST UP TO 5 MPH IN THE EVENING
SHIFTING TO THE EAST UP TO 3 MPH OVERNIGHT.
* RIDGES/UPR SLOPES....NORTHWEST 3 TO 6 MPH IN THE EVENING SHIFTING
TO THE EAST 3 TO 5 MPH OVERNIGHT.
* MIXING HEIGHT.......6500 FT AGL FALLING TO NEAR SURFACE.
* TRANSPORT WINDS.....NORTH 5 TO 10 MPH.
* CWR (> 0.10 IN).....0 PERCENT.
* VENTILATION INDEX...MODERATE (423) IN THE EVENING DECREASING TO
LOW (30) OVERNIGHT.
WEDNESDAY
* SKY/WEATHER.........SUNNY.
* CHANCE OF LIGHTNING...0 PERCENT.
* MAX TEMPERATURE.....84-93 VALLEYS AND 75-85 MOUNTAINS.
* MIN HUMIDITY........15-24 PERCENT.
* 20-FOOT WINDS.......
* VALLEYS/LWR SLOPES...EAST UP TO 3 MPH IN THE MORNING SHIFTING TO
THE WEST 3 TO 5 MPH IN THE AFTERNOON.
* RIDGES/UPR SLOPES....SOUTHEAST 3 TO 5 MPH IN THE MORNING SHIFTING
TO THE WEST 3 TO 6 MPH IN THE AFTERNOON.
* MIXING HEIGHT.......7500 FT AGL.
* TRANSPORT WINDS.....WEST 5 TO 10 MPH.
* CWR (> 0.10 IN).....0 PERCENT.
* VENTILATION INDEX...MODERATE (355) IN THE MORNING INCREASING TO
HIGH (745) IN THE AFTERNOON.
FORECAST DAYS 3 THROUGH 7...
THURSDAY...CLEAR. LOWS 53 TO 61. HIGHS 89 TO 99 VALLEYS
80 TO
90 MOUNTAINS. SOUTH WIND UP TO 5 MPH.
FRIDAY THROUGH SATURDAY
MOSTLY CLEAR. LOWS 54 TO 64. HIGHS
86 TO 96 VALLEYS...77 TO 87 MOUNTAINS. SOUTHWEST WIND UP TO
10 MPH.
SUNDAY THROUGH MONDAY
MOSTLY CLEAR. LOWS 52 TO 62. HIGHS 80 TO
90 VALLEYS...72 TO 82 MOUNTAINS.
.8 TO 14 DAY OUTLOOK FOR AUG 11 - 17 2026
ABOVE NORMAL TEMPERATURES AND NEAR NORMAL PRECIPITATION.
WAZ707-041330-
WESTERN COLUMBIA BASIN (ZONE 707)-
INCLUDING THE CITIES OF MOSES LAKE AND EPHRATA
322 PM PDT MON AUG 3 2026
TONIGHT
* SKY/WEATHER.........MOSTLY CLEAR. HAZE EARLY IN THE EVENING.
AREAS OF SMOKE THROUGH THE NIGHT.
* CHANCE OF LIGHTNING...0 PERCENT.
* MIN TEMPERATURE.....50-60.
* 24 HR TREND........1 DEGREE WARMER.
* MAX HUMIDITY........40-55 PERCENT.
* 24 HR TREND........15 PERCENT DRIER.
* HUMIDITY RECOVERY...POOR.
* 20-FOOT WINDS.......NORTH 3 TO 10 MPH.
* MIXING HEIGHT.......7500 FT AGL FALLING TO NEAR SURFACE.
* TRANSPORT WINDS.....NORTH 5 TO 10 MPH.
* CWR (> 0.10 IN).....0 PERCENT.
* VENTILATION INDEX...HIGH (531) IN THE EVENING DECREASING TO LOW
(52) OVERNIGHT.
TUESDAY
* SKY/WEATHER.........SUNNY. HAZE AND AREAS OF SMOKE.
* CHANCE OF LIGHTNING...0 PERCENT.
* MAX TEMPERATURE.....87-92.
* 24 HR TREND........6 DEGREES WARMER.
* MIN HUMIDITY........13-19 PERCENT.
* 24 HR TREND........5 PERCENT DRIER.
* 20-FOOT WINDS.......NORTH 3 TO 10 MPH.
* MIXING HEIGHT.......8500 FT AGL.
* TRANSPORT WINDS.....NORTHEAST 5 TO 10 MPH.
* CWR (> 0.10 IN).....0 PERCENT.
* VENTILATION INDEX...MODERATE (451) IN THE MORNING INCREASING TO
HIGH (502) IN THE AFTERNOON.
TUESDAY NIGHT
* SKY/WEATHER.........MOSTLY CLEAR. HAZE AND AREAS OF SMOKE.
* CHANCE OF LIGHTNING...0 PERCENT.
* MIN TEMPERATURE.....53-63.
* MAX HUMIDITY........30-45 PERCENT.
* HUMIDITY RECOVERY...POOR.
* 20-FOOT WINDS.......NORTH 3 TO 5 MPH.
* MIXING HEIGHT.......7500 FT AGL FALLING TO NEAR SURFACE.
* TRANSPORT WINDS.....NORTHEAST 5 TO 10 MPH.
* CWR (> 0.10 IN).....0 PERCENT.
* VENTILATION INDEX...MODERATE (446) IN THE EVENING DECREASING TO
LOW (36) OVERNIGHT.
WEDNESDAY
* SKY/WEATHER.........SUNNY.
* CHANCE OF LIGHTNING...0 PERCENT.
* MAX TEMPERATURE.....91-96.
* MIN HUMIDITY........10-15 PERCENT.
* 20-FOOT WINDS.......NORTH 3 TO 6 MPH IN THE MORNING SHIFTING TO
THE SOUTHEAST IN THE AFTERNOON.
* MIXING HEIGHT.......8500 FT AGL.
* TRANSPORT WINDS.....SOUTHEAST AROUND 5 MPH.
* CWR (> 0.10 IN).....0 PERCENT.
* VENTILATION INDEX...MODERATE (292) IN THE MORNING INCREASING TO
MODERATE (499) IN THE AFTERNOON.
FORECAST DAYS 3 THROUGH 7...
THURSDAY THROUGH FRIDAY
CLEAR. LOWS 58 TO 68. HIGHS 94 TO 102.
WEST WIND 4 TO 15 MPH.
SATURDAY
MOSTLY CLEAR. LOWS 57 TO 65. HIGHS 90 TO 95. WEST
WIND 5 TO 15 MPH.
SUNDAY THROUGH MONDAY
MOSTLY CLEAR. LOWS 55 TO 64. HIGHS 86 TO
91.
.8 TO 14 DAY OUTLOOK FOR AUG 11 - 17 2026
ABOVE NORMAL TEMPERATURES AND NEAR NORMAL PRECIPITATION.
WAZ708-041330-
EASTERN COLUMBIA BASIN - PALOUSE - SPOKANE AREA (ZONE 708)-
INCLUDING THE CITIES OF SPOKANE, PULLMAN, RITZVILLE, WILBUR,
AND CHENEY
322 PM PDT MON AUG 3 2026
TONIGHT
* SKY/WEATHER.........MOSTLY CLEAR. HAZE AND AREAS OF SMOKE.
* CHANCE OF LIGHTNING...0 PERCENT.
* MIN TEMPERATURE.....46-55.
* 24 HR TREND........3 DEGREES WARMER.
* MAX HUMIDITY........50-65 PERCENT.
* 24 HR TREND........UNCHANGED.
* HUMIDITY RECOVERY...FAIR.
* 20-FOOT WINDS.......NORTHEAST UP TO 6 MPH.
* MIXING HEIGHT.......7500 FT AGL FALLING TO NEAR SURFACE.
* TRANSPORT WINDS.....NORTHEAST 5 TO 10 MPH.
* CWR (> 0.10 IN).....0 PERCENT.
* VENTILATION INDEX...MODERATE (477) IN THE EVENING DECREASING TO
LOW (40) OVERNIGHT.
TUESDAY
* SKY/WEATHER.........SUNNY. HAZE AND AREAS OF SMOKE.
* CHANCE OF LIGHTNING...0 PERCENT.
* MAX TEMPERATURE.....84-91.
* 24 HR TREND........6 DEGREES WARMER.
* MIN HUMIDITY........13-18 PERCENT.
* 24 HR TREND........5 PERCENT DRIER.
* 20-FOOT WINDS.......NORTHEAST 3 TO 7 MPH.
* MIXING HEIGHT.......8500 FT AGL.
* TRANSPORT WINDS.....NORTHEAST 5 TO 10 MPH.
* CWR (> 0.10 IN).....0 PERCENT.
* VENTILATION INDEX...MODERATE (418) IN THE MORNING INCREASING TO
HIGH (560) IN THE AFTERNOON.
TUESDAY NIGHT
* SKY/WEATHER.........MOSTLY CLEAR. HAZE AND AREAS OF SMOKE THROUGH
THE NIGHT.
* CHANCE OF LIGHTNING...0 PERCENT.
* MIN TEMPERATURE.....48-58.
* MAX HUMIDITY........40-55 PERCENT.
* HUMIDITY RECOVERY...POOR.
* 20-FOOT WINDS.......NORTHEAST UP TO 4 MPH.
* MIXING HEIGHT.......7500 FT AGL FALLING TO NEAR SURFACE.
* TRANSPORT WINDS.....NORTHEAST 5 TO 10 MPH.
* CWR (> 0.10 IN).....0 PERCENT.
* VENTILATION INDEX...HIGH (521) IN THE EVENING DECREASING TO LOW
(32) OVERNIGHT.
WEDNESDAY
* SKY/WEATHER.........SUNNY.
* CHANCE OF LIGHTNING...0 PERCENT.
* MAX TEMPERATURE.....90-97.
* MIN HUMIDITY........10-14 PERCENT.
* 20-FOOT WINDS.......EAST 3 TO 6 MPH IN THE MORNING SHIFTING TO
THE SOUTH 3 TO 4 MPH IN THE AFTERNOON.
* MIXING HEIGHT.......8500 FT AGL.
* TRANSPORT WINDS.....EAST 5 TO 10 MPH.
* CWR (> 0.10 IN).....0 PERCENT.
* VENTILATION INDEX...MODERATE (342) IN THE MORNING INCREASING TO
HIGH (548) IN THE AFTERNOON.
FORECAST DAYS 3 THROUGH 7...
THURSDAY
CLEAR. LOWS 52 TO 62. HIGHS 94 TO 101. SOUTH WIND UP
TO 10 MPH.
FRIDAY THROUGH SATURDAY
MOSTLY CLEAR. LOWS 55 TO 64. HIGHS
90 TO 100. SOUTHWEST WIND 5 TO 15 MPH.
SUNDAY THROUGH MONDAY
MOSTLY CLEAR. LOWS 53 TO 62. HIGHS 84 TO
91.
.8 TO 14 DAY OUTLOOK FOR AUG 11 - 17 2026
ABOVE NORMAL TEMPERATURES AND NEAR NORMAL PRECIPITATION.
WAZ709-041330-
LOWER PALOUSE - SNAKE RIVER (ZONE 709)-
INCLUDING THE CITY OF POMEROY
322 PM PDT MON AUG 3 2026
TONIGHT
* SKY/WEATHER.........MOSTLY CLEAR. HAZE AND AREAS OF SMOKE.
* CHANCE OF LIGHTNING...0 PERCENT.
* MIN TEMPERATURE.....50-55.
* 24 HR TREND........2 DEGREES COOLER.
* MAX HUMIDITY........35-50 PERCENT.
* 24 HR TREND........20 PERCENT DRIER.
* HUMIDITY RECOVERY...POOR.
* 20-FOOT WINDS.......NORTH 3 TO 7 MPH IN THE EVENING SHIFTING TO
THE SOUTHEAST 3 TO 5 MPH OVERNIGHT.
* MIXING HEIGHT.......6500 FT AGL FALLING TO NEAR SURFACE.
* TRANSPORT WINDS.....NORTHEAST 5 TO 10 MPH.
* CWR (> 0.10 IN).....0 PERCENT.
* VENTILATION INDEX...MODERATE (488) IN THE EVENING DECREASING TO
LOW (33) OVERNIGHT.
TUESDAY
* SKY/WEATHER.........SUNNY. HAZE AND AREAS OF SMOKE.
* CHANCE OF LIGHTNING...0 PERCENT.
* MAX TEMPERATURE.....83-93.
* 24 HR TREND........8 DEGREES WARMER.
* MIN HUMIDITY........13-18 PERCENT.
* 24 HR TREND........5 PERCENT DRIER.
* 20-FOOT WINDS.......NORTHEAST 3 TO 7 MPH.
* MIXING HEIGHT.......7500 FT AGL.
* TRANSPORT WINDS.....NORTHEAST 5 TO 10 MPH.
* CWR (> 0.10 IN).....0 PERCENT.
* VENTILATION INDEX...MODERATE (388) IN THE MORNING INCREASING TO
MODERATE (498) IN THE AFTERNOON.
TUESDAY NIGHT
* SKY/WEATHER.........MOSTLY CLEAR. HAZE AND PATCHY SMOKE UNTIL
EARLY MORNING.
* CHANCE OF LIGHTNING...0 PERCENT.
* MIN TEMPERATURE.....53-58.
* MAX HUMIDITY........30-45 PERCENT.
* HUMIDITY RECOVERY...POOR.
* 20-FOOT WINDS.......NORTH 3 TO 6 MPH IN THE EVENING SHIFTING TO
THE SOUTHEAST OVERNIGHT.
* MIXING HEIGHT.......6500 FT AGL FALLING TO NEAR SURFACE.
* TRANSPORT WINDS.....EAST 5 TO 10 MPH.
* CWR (> 0.10 IN).....0 PERCENT.
* VENTILATION INDEX...MODERATE (457) IN THE EVENING DECREASING TO
LOW (42) OVERNIGHT.
WEDNESDAY
* SKY/WEATHER.........SUNNY.
* CHANCE OF LIGHTNING...0 PERCENT.
* MAX TEMPERATURE.....89-99.
* MIN HUMIDITY........10-14 PERCENT.
* 20-FOOT WINDS.......SOUTHEAST 3 TO 6 MPH IN THE MORNING SHIFTING
TO THE NORTHEAST IN THE AFTERNOON.
* MIXING HEIGHT.......7000 FT AGL.
* TRANSPORT WINDS.....EAST 5 TO 10 MPH.
* CWR (> 0.10 IN).....0 PERCENT.
* VENTILATION INDEX...MODERATE (465).
FORECAST DAYS 3 THROUGH 7...
THURSDAY
CLEAR. LOWS 57 TO 62. HIGHS 94 TO 104. SOUTHWEST WIND
UP TO 10 MPH.
FRIDAY
CLEAR. LOWS 62 TO 67. HIGHS 93 TO 103. SOUTHWEST WIND
5 TO 15 MPH.
SATURDAY
CLEAR. LOWS IN THE LOWER TO MID 60S. HIGHS 88 TO 98.
SOUTHWEST WIND 5 TO 15 MPH.
SUNDAY THROUGH MONDAY
MOSTLY CLEAR. LOWS 57 TO 64. HIGHS 83 TO
93.
.8 TO 14 DAY OUTLOOK FOR AUG 11 - 17 2026
ABOVE NORMAL TEMPERATURES AND NEAR NORMAL PRECIPITATION.
WAZ705-706-041330-
FOOTHILLS OF CENTRAL WASHINGTON CASCADES (ZONE 705)-
WATERVILLE PLATEAU (ZONE 706)-
INCLUDING THE CITIES OF CHELAN, WENATCHEE, WATERVILLE,
AND GRAND COULEE
322 PM PDT MON AUG 3 2026
TONIGHT
* SKY/WEATHER.........MOSTLY CLEAR. HAZE AND AREAS OF SMOKE.
* CHANCE OF LIGHTNING...0 PERCENT.
* MIN TEMPERATURE.....54-62.
* 24 HR TREND........3 DEGREES WARMER.
* MAX HUMIDITY........35-45 PERCENT.
* 24 HR TREND........20 PERCENT DRIER.
* HUMIDITY RECOVERY...POOR.
* 20-FOOT WINDS.......NORTH 3 TO 10 MPH.
* MIXING HEIGHT.......7000 FT AGL FALLING TO NEAR SURFACE.
* TRANSPORT WINDS.....NORTH 5 TO 10 MPH.
* CWR (> 0.10 IN).....0 PERCENT.
* VENTILATION INDEX...HIGH (593) IN THE EVENING DECREASING TO LOW
(56) OVERNIGHT.
TUESDAY
* SKY/WEATHER.........SUNNY. AREAS OF SMOKE IN THE MORNING. HAZE
THROUGH THE DAY.
* CHANCE OF LIGHTNING...0 PERCENT.
* MAX TEMPERATURE.....83-93.
* 24 HR TREND........5 DEGREES WARMER.
* MIN HUMIDITY........13-17 PERCENT.
* 24 HR TREND........7 PERCENT DRIER.
* 20-FOOT WINDS.......NORTH 3 TO 10 MPH.
* MIXING HEIGHT.......8000 FT AGL.
* TRANSPORT WINDS.....NORTH 5 TO 10 MPH.
* CWR (> 0.10 IN).....0 PERCENT.
* VENTILATION INDEX...MODERATE (459) IN THE MORNING INCREASING TO
MODERATE (483) IN THE AFTERNOON.
TUESDAY NIGHT
* SKY/WEATHER.........MOSTLY CLEAR. HAZE AND AREAS OF SMOKE.
* CHANCE OF LIGHTNING...0 PERCENT.
* MIN TEMPERATURE.....57-65.
* MAX HUMIDITY........30-40 PERCENT.
* HUMIDITY RECOVERY...POOR.
* 20-FOOT WINDS.......NORTH 3 TO 5 MPH.
* MIXING HEIGHT.......6500 FT AGL FALLING TO NEAR SURFACE.
* TRANSPORT WINDS.....NORTHWEST 5 TO 10 MPH.
* CWR (> 0.10 IN).....0 PERCENT.
* VENTILATION INDEX...MODERATE (420) IN THE EVENING DECREASING TO
LOW (47) OVERNIGHT.
WEDNESDAY
* SKY/WEATHER.........SUNNY.
* CHANCE OF LIGHTNING...0 PERCENT.
* MAX TEMPERATURE.....89-99.
* MIN HUMIDITY........11-14 PERCENT.
* 20-FOOT WINDS.......NORTH 3 TO 6 MPH IN THE MORNING SHIFTING TO
THE SOUTHEAST 3 TO 7 MPH IN THE AFTERNOON.
* MIXING HEIGHT.......8500 FT AGL.
* TRANSPORT WINDS.....SOUTHWEST 5 TO 10 MPH.
* CWR (> 0.10 IN).....0 PERCENT.
* VENTILATION INDEX...MODERATE (277) IN THE MORNING INCREASING TO
HIGH (628) IN THE AFTERNOON.
FORECAST DAYS 3 THROUGH 7...
THURSDAY
CLEAR. LOWS 61 TO 68. HIGHS 94 TO 104. WEST WIND UP
TO 10 MPH.
FRIDAY
MOSTLY CLEAR. LOWS 62 TO 69. HIGHS 91 TO 100. WEST WIND
10 TO 20 MPH.
SATURDAY
MOSTLY CLEAR. LOWS 59 TO 66. HIGHS 86 TO 95. WEST
WIND 5 TO 15 MPH.
SUNDAY THROUGH MONDAY
MOSTLY CLEAR. LOWS 57 TO 66. HIGHS 83 TO
93.
.8 TO 14 DAY OUTLOOK FOR AUG 11 - 17 2026
ABOVE NORMAL TEMPERATURES AND NEAR NORMAL PRECIPITATION.
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