049
FNUS56 KOTX 041110
FWFOTX
FIRE WEATHER PLANNING FORECAST FOR EASTERN WASHINGTON AND NORTH IDAHO
NATIONAL WEATHER SERVICE SPOKANE WA
410 AM PDT SUN OCT 4 2026
DISCUSSION
HIGH PRESSURE TODAY WILL PROMOTE UNSEASONABLY WARM WEATHER AND
SUNNY SKIES. STRONG INVERSIONS AT NIGHT WILL BE SLOW TO LIFT IN
THE MORNING WITH FAIR MIXING POTENTIAL DURING AFTERNOON HEATING.
BETTER MIXING ON MONDAY WITH A WEAK WEATHER DISTURBANCE THAT
BRINGS A LITTLE MORE WIND. REMAINS WARM AND DRY NEXT WEEK UNTIL A
COLD FRONT PASSAGE EXPECTED FRIDAY. COOLER TEMPERATURES NEXT
WEEKEND.
***************************************************************
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).
***************************************************************
WAZ696-698-050115-
EAST WASHINGTON CENTRAL CASCADES (ZONE 696)-
EAST WASHINGTON NORTH CASCADES (ZONE 698)-
INCLUDING THE CITIES OF STEVENS PASS, LAKE WENATCHEE AREA,
AND LEAVENWORTH
410 AM PDT SUN OCT 4 2026
TODAY
* SKY/WEATHER.........SUNNY.
* CHANCE OF LIGHTNING...0 PERCENT.
* MAX TEMPERATURE.....73-83 VALLEYS AND 62-72 MOUNTAINS.
* 24 HR TREND........6 DEGREES WARMER.
* MIN HUMIDITY........30-45 PERCENT.
* 24 HR TREND........5 PERCENT DRIER VALLEYS, AND 20 PERCENT DRIER
MOUNTAINS.
* 20-FOOT WINDS.......
* VALLEYS/LWR SLOPES...SOUTH 2 TO 6 MPH.
* RIDGES/UPR SLOPES....SOUTH 2 TO 6 MPH.
* MIXING HEIGHT.......3000 FT AGL.
* TRANSPORT WINDS.....SOUTHWEST 5 TO 10 MPH.
* CWR (> 0.10 IN).....0 PERCENT.
* VENTILATION INDEX...MODERATE (302).
TONIGHT
* SKY/WEATHER.........PARTLY CLOUDY.
* CHANCE OF LIGHTNING...0 PERCENT.
* MIN TEMPERATURE.....49-59 VALLEYS AND 41-51 MOUNTAINS.
* 24 HR TREND........UNCHANGED.
* MAX HUMIDITY........50-65 PERCENT.
* 24 HR TREND........15 PERCENT DRIER VALLEYS, AND 10 PERCENT DRIER
MOUNTAINS.
* HUMIDITY RECOVERY...FAIR.
* 20-FOOT WINDS.......
* VALLEYS/LWR SLOPES...WEST 3 TO 8 MPH.
* RIDGES/UPR SLOPES....WEST 3 TO 8 MPH.
* MIXING HEIGHT.......FALLING TO NEAR SURFACE.
* TRANSPORT WINDS.....WEST 5 TO 15 MPH.
* CWR (> 0.10 IN).....0 PERCENT.
* VENTILATION INDEX...LOW (71).
MONDAY
* SKY/WEATHER.........PARTLY SUNNY.
* CHANCE OF LIGHTNING...0 PERCENT.
* MAX TEMPERATURE.....70-80 VALLEYS AND 58-68 MOUNTAINS.
* MIN HUMIDITY........30-45 PERCENT.
* 20-FOOT WINDS.......
* VALLEYS/LWR SLOPES...WEST 3 TO 9 MPH. GUSTS UP TO 20 MPH IN THE
AFTERNOON.
* RIDGES/UPR SLOPES....WEST 3 TO 9 MPH. GUSTS UP TO 20 MPH IN THE
AFTERNOON.
* MIXING HEIGHT.......4000 FT AGL.
* TRANSPORT WINDS.....WEST 10 TO 15 MPH.
* CWR (> 0.10 IN).....0 PERCENT.
* VENTILATION INDEX...MODERATE (307) IN THE MORNING INCREASING TO
HIGH (527) IN THE AFTERNOON.
FORECAST DAYS 3 THROUGH 7...
TUESDAY...PARTLY CLOUDY. LOWS 45 TO 55 VALLEYS
38 TO
48 MOUNTAINS. HIGHS 71 TO 81 VALLEYS...59 TO 69 MOUNTAINS.
NORTHWEST WIND UP TO 10 MPH.
WEDNESDAY...MOSTLY CLEAR. LOWS 47 TO 57 VALLEYS
40 TO
50 MOUNTAINS. HIGHS 72 TO 82 VALLEYS...61 TO 71 MOUNTAINS. WEST
WIND UP TO 5 MPH.
THURSDAY...PARTLY CLOUDY. LOWS 49 TO 59 VALLEYS
42 TO
52 MOUNTAINS. HIGHS 72 TO 82 VALLEYS...61 TO 71 MOUNTAINS. WEST
WIND UP TO 5 MPH.
FRIDAY
COOLER. MOSTLY CLOUDY. A CHANCE OF RAIN AND HIGH
MOUNTAIN SNOW SHOWERS. LOWS 48 TO 58 VALLEYS...41 TO
51 MOUNTAINS. HIGHS 62 TO 72 VALLEYS...50 TO 60 MOUNTAINS.
SATURDAY
PARTLY CLOUDY. A CHANCE OF RAIN AND HIGH MOUNTAIN
SNOW SHOWERS. LOWS 41 TO 51 VALLEYS...33 TO 43 MOUNTAINS. HIGHS
53 TO 63 VALLEYS...41 TO 51 MOUNTAINS.
.8 TO 14 DAY OUTLOOK FOR OCT 11 - 17 2026
ABOVE NORMAL TEMPERATURES AND BELOW NORMAL PRECIPITATION.
WAZ697-050115-
EAST PORTION OF NORTH CASCADES NATIONAL PARK/LAKE CHELAN NATIONAL
RECREATION AREA (ZONE 697)-
INCLUDING THE CITY OF STEHEKIN
410 AM PDT SUN OCT 4 2026
TODAY
* SKY/WEATHER.........SUNNY.
* CHANCE OF LIGHTNING...0 PERCENT.
* MAX TEMPERATURE.....76-86 VALLEYS AND 64-74 MOUNTAINS.
* 24 HR TREND........8 DEGREES COOLER VALLEYS, AND 1 DEGREE COOLER
MOUNTAINS.
* MIN HUMIDITY........25-35 PERCENT VALLEYS AND 29-45 PERCENT
MOUNTAINS.
* 24 HR TREND........10 PERCENT DRIER VALLEYS, AND 25 PERCENT DRIER
MOUNTAINS.
* 20-FOOT WINDS.......
* VALLEYS/LWR SLOPES...EAST 2 TO 4 MPH IN THE MORNING
SHIFTING TO THE SOUTH 3 TO 6 MPH IN THE AFTERNOON.
* RIDGES/UPR SLOPES....SOUTHEAST 3 TO 9 MPH IN THE MORNING SHIFTING
TO THE SOUTHWEST 3 TO 7 MPH IN THE AFTERNOON.
* MIXING HEIGHT.......3500 FT AGL.
* TRANSPORT WINDS.....SOUTH 5 TO 10 MPH.
* CWR (> 0.10 IN).....0 PERCENT.
* VENTILATION INDEX...LOW (90) IN THE MORNING INCREASING TO
MODERATE (295) IN THE AFTERNOON.
TONIGHT
* SKY/WEATHER.........PARTLY CLOUDY.
* CHANCE OF LIGHTNING...0 PERCENT.
* MIN TEMPERATURE.....48-57 VALLEYS AND 40-50 MOUNTAINS.
* 24 HR TREND........2 DEGREES COOLER.
* MAX HUMIDITY........55-70 PERCENT.
* 24 HR TREND........UNCHANGED.
* HUMIDITY RECOVERY...FAIR.
* 20-FOOT WINDS.......
* VALLEYS/LWR SLOPES...NORTHWEST 3 TO 6 MPH.
* RIDGES/UPR SLOPES....WEST 3 TO 6 MPH.
* MIXING HEIGHT.......FALLING TO NEAR SURFACE.
* TRANSPORT WINDS.....WEST 5 TO 10 MPH.
* CWR (> 0.10 IN).....0 PERCENT.
* VENTILATION INDEX...LOW (59).
MONDAY
* SKY/WEATHER.........PARTLY SUNNY.
* CHANCE OF LIGHTNING...0 PERCENT.
* MAX TEMPERATURE.....69-79 VALLEYS AND 57-67 MOUNTAINS.
* MIN HUMIDITY........35-50 PERCENT.
* 20-FOOT WINDS.......
* VALLEYS/LWR SLOPES...WEST 3 TO 10 MPH. GUSTS UP TO 20 MPH IN THE
AFTERNOON.
* RIDGES/UPR SLOPES....WEST 3 TO 10 MPH. GUSTS UP TO 20 MPH IN
THE AFTERNOON.
* MIXING HEIGHT.......4000 FT AGL.
* TRANSPORT WINDS.....WEST 10 TO 15 MPH.
* CWR (> 0.10 IN).....0 PERCENT.
* VENTILATION INDEX...MODERATE (251) IN THE MORNING INCREASING TO
HIGH (506) IN THE AFTERNOON.
FORECAST DAYS 3 THROUGH 7...
TUESDAY...PARTLY CLOUDY. LOWS 44 TO 53 VALLEYS
36 TO
46 MOUNTAINS. HIGHS 73 TO 83 VALLEYS...60 TO 70 MOUNTAINS.
NORTHWEST WIND UP TO 5 MPH.
WEDNESDAY...MOSTLY CLEAR. LOWS 47 TO 55 VALLEYS
40 TO
50 MOUNTAINS. HIGHS 74 TO 84 VALLEYS...62 TO 72 MOUNTAINS. WEST
WIND UP TO 5 MPH.
THURSDAY...PARTLY CLOUDY. LOWS 49 TO 58 VALLEYS
41 TO
51 MOUNTAINS. HIGHS 73 TO 83 VALLEYS...61 TO 71 MOUNTAINS. WEST
WIND UP TO 5 MPH.
FRIDAY
COOLER. MOSTLY CLOUDY. A CHANCE OF RAIN AND HIGH
MOUNTAIN SNOW SHOWERS. LOWS 49 TO 58 VALLEYS...41 TO
51 MOUNTAINS. HIGHS 62 TO 72 VALLEYS...50 TO 60 MOUNTAINS.
SATURDAY
PARTLY CLOUDY. A CHANCE OF RAIN AND HIGH MOUNTAIN
SNOW SHOWERS. LOWS 42 TO 51 VALLEYS...33 TO 43 MOUNTAINS. HIGHS
54 TO 64 VALLEYS...42 TO 52 MOUNTAINS.
.8 TO 14 DAY OUTLOOK FOR OCT 11 - 17 2026
ABOVE NORMAL TEMPERATURES AND BELOW NORMAL PRECIPITATION.
WAZ704-050115-
METHOW VALLEY (ZONE 704)-
INCLUDING THE CITIES OF MAZAMA, WINTHROP, AND TWISP
410 AM PDT SUN OCT 4 2026
TODAY
* SKY/WEATHER.........SUNNY.
* CHANCE OF LIGHTNING...0 PERCENT.
* MAX TEMPERATURE.....73-83.
* 24 HR TREND........3 DEGREES WARMER.
* MIN HUMIDITY........26-35 PERCENT.
* 24 HR TREND........5 PERCENT DRIER.
* 20-FOOT WINDS.......NORTH UP TO 3 MPH IN THE MORNING SHIFTING TO
THE SOUTHEAST 3 TO 5 MPH IN THE AFTERNOON.
* MIXING HEIGHT.......3000 FT AGL.
* TRANSPORT WINDS.....SOUTHWEST 5 TO 10 MPH.
* CWR (> 0.10 IN).....0 PERCENT.
* VENTILATION INDEX...MODERATE (215).
TONIGHT
* SKY/WEATHER.........PARTLY CLOUDY.
* CHANCE OF LIGHTNING...0 PERCENT.
* MIN TEMPERATURE.....45-53.
* 24 HR TREND........2 DEGREES WARMER.
* MAX HUMIDITY........55-70 PERCENT.
* 24 HR TREND........15 PERCENT DRIER.
* HUMIDITY RECOVERY...FAIR.
* 20-FOOT WINDS.......NORTHWEST UP TO 4 MPH.
* MIXING HEIGHT.......FALLING TO NEAR SURFACE.
* TRANSPORT WINDS.....NORTHWEST 5 TO 10 MPH.
* CWR (> 0.10 IN).....0 PERCENT.
* VENTILATION INDEX...LOW (49).
MONDAY
* SKY/WEATHER.........PARTLY SUNNY.
* CHANCE OF LIGHTNING...0 PERCENT.
* MAX TEMPERATURE.....72-80.
* MIN HUMIDITY........26-30 PERCENT.
* 20-FOOT WINDS.......NORTHWEST 3 TO 6 MPH.
* MIXING HEIGHT.......4500 FT AGL.
* TRANSPORT WINDS.....NORTHWEST 5 TO 15 MPH.
* CWR (> 0.10 IN).....0 PERCENT.
* VENTILATION INDEX...MODERATE (265) IN THE MORNING INCREASING TO
HIGH (530) IN THE AFTERNOON.
FORECAST DAYS 3 THROUGH 7...
TUESDAY
PARTLY CLOUDY. LOWS 41 TO 50. HIGHS 72 TO 81.
NORTHWEST WIND UP TO 5 MPH.
WEDNESDAY
MOSTLY CLEAR. LOWS 44 TO 52. HIGHS 74 TO 83.
NORTHWEST WIND UP TO 5 MPH.
THURSDAY
PARTLY CLOUDY. LOWS 46 TO 54. HIGHS 73 TO 82. WEST
WIND UP TO 5 MPH.
FRIDAY
MOSTLY CLOUDY. A CHANCE OF RAIN SHOWERS. LOWS 46 TO 53.
HIGHS 65 TO 74.
SATURDAY
COOLER. PARTLY CLOUDY. A CHANCE OF RAIN SHOWERS. LOWS
39 TO 47. HIGHS 55 TO 64.
.8 TO 14 DAY OUTLOOK FOR OCT 11 - 17 2026
ABOVE NORMAL TEMPERATURES AND BELOW NORMAL PRECIPITATION.
WAZ703-050115-
OKANOGAN VALLEY (ZONE 703)-
INCLUDING THE CITIES OF CONCONULLY AND OMAK
410 AM PDT SUN OCT 4 2026
TODAY
* SKY/WEATHER.........SUNNY.
* CHANCE OF LIGHTNING...0 PERCENT.
* MAX TEMPERATURE.....72-81.
* 24 HR TREND........UNCHANGED.
* MIN HUMIDITY........29-35 PERCENT.
* 24 HR TREND........UNCHANGED.
* 20-FOOT WINDS.......NORTH 3 TO 6 MPH IN THE MORNING SHIFTING TO
THE SOUTH 3 TO 7 MPH IN THE AFTERNOON.
* MIXING HEIGHT.......3000 FT AGL.
* TRANSPORT WINDS.....SOUTHWEST 5 TO 10 MPH.
* CWR (> 0.10 IN).....0 PERCENT.
* VENTILATION INDEX...MODERATE (218).
TONIGHT
* SKY/WEATHER.........PARTLY CLOUDY.
* CHANCE OF LIGHTNING...0 PERCENT.
* MIN TEMPERATURE.....49-53.
* 24 HR TREND........UNCHANGED.
* MAX HUMIDITY........50-65 PERCENT.
* 24 HR TREND........UNCHANGED.
* HUMIDITY RECOVERY...FAIR.
* 20-FOOT WINDS.......SOUTH UP TO 4 MPH.
* MIXING HEIGHT.......FALLING TO NEAR SURFACE.
* TRANSPORT WINDS.....SOUTH AROUND 5 MPH.
* CWR (> 0.10 IN).....0 PERCENT.
* VENTILATION INDEX...LOW (32).
MONDAY
* SKY/WEATHER.........PARTLY SUNNY.
* CHANCE OF LIGHTNING...0 PERCENT.
* MAX TEMPERATURE.....71-80.
* MIN HUMIDITY........27-35 PERCENT.
* 20-FOOT WINDS.......WEST 3 TO 4 MPH IN THE MORNING SHIFTING TO
THE SOUTHWEST 3 TO 6 MPH IN THE AFTERNOON.
* MIXING HEIGHT.......2500 FT AGL.
* TRANSPORT WINDS.....WEST 5 TO 10 MPH.
* CWR (> 0.10 IN).....0 PERCENT.
* VENTILATION INDEX...LOW (192).
FORECAST DAYS 3 THROUGH 7...
TUESDAY
PARTLY CLOUDY. LOWS NEAR 50. HIGHS 70 TO 78. NORTH
WIND UP TO 5 MPH.
WEDNESDAY
MOSTLY CLEAR. LOWS 47 TO 52. HIGHS 71 TO 79. NORTH
WIND UP TO 5 MPH.
THURSDAY
PARTLY CLOUDY. LOWS NEAR 50. HIGHS 70 TO 79. NORTH
WIND UP TO 5 MPH.
FRIDAY
MOSTLY CLOUDY. LOWS 49 TO 54. HIGHS 65 TO 75.
SATURDAY
COOLER. PARTLY CLOUDY. A CHANCE OF RAIN SHOWERS. LOWS
IN THE 40S. HIGHS 55 TO 65.
.8 TO 14 DAY OUTLOOK FOR OCT 11 - 17 2026
ABOVE NORMAL TEMPERATURES AND BELOW NORMAL PRECIPITATION.
WAZ702-050115-
COLVILLE RESERVATION (ZONE 702)-
INCLUDING THE CITIES OF NESPELEM AND KELLER
410 AM PDT SUN OCT 4 2026
TODAY
* SKY/WEATHER.........SUNNY.
* CHANCE OF LIGHTNING...0 PERCENT.
* MAX TEMPERATURE.....72-82 VALLEYS AND 66-76 MOUNTAINS.
* 24 HR TREND........2 DEGREES WARMER.
* MIN HUMIDITY........28-35 PERCENT.
* 24 HR TREND........10 PERCENT DRIER.
* 20-FOOT WINDS.......
* VALLEYS/LWR SLOPES...NORTHEAST 3 TO 6 MPH IN THE MORNING SHIFTING
TO THE SOUTH 3 TO 5 MPH IN THE AFTERNOON.
* RIDGES/UPR SLOPES....EAST 3 TO 6 MPH IN THE MORNING SHIFTING TO
THE SOUTHWEST 3 TO 5 MPH IN THE AFTERNOON.
* MIXING HEIGHT.......3500 FT AGL.
* TRANSPORT WINDS.....SOUTH 5 TO 10 MPH.
* CWR (> 0.10 IN).....0 PERCENT.
* VENTILATION INDEX...MODERATE (263).
TONIGHT
* SKY/WEATHER.........MOSTLY CLEAR.
* CHANCE OF LIGHTNING...0 PERCENT.
* MIN TEMPERATURE.....48-52.
* 24 HR TREND........1 DEGREE WARMER.
* MAX HUMIDITY........65-80 PERCENT VALLEYS AND 60-70 PERCENT
MOUNTAINS.
* 24 HR TREND........5 PERCENT WETTER.
* HUMIDITY RECOVERY...FAIR.
* 20-FOOT WINDS.......
* VALLEYS/LWR SLOPES...SOUTHWEST UP TO 4 MPH.
* RIDGES/UPR SLOPES....SOUTHWEST UP TO 4 MPH.
* MIXING HEIGHT.......FALLING TO NEAR SURFACE.
* TRANSPORT WINDS.....SOUTHWEST AROUND 5 MPH.
* CWR (> 0.10 IN).....0 PERCENT.
* VENTILATION INDEX...LOW (60).
MONDAY
* SKY/WEATHER.........MOSTLY SUNNY.
* CHANCE OF LIGHTNING...0 PERCENT.
* MAX TEMPERATURE.....70-80 VALLEYS AND 64-74 MOUNTAINS.
* MIN HUMIDITY........26-35 PERCENT.
* 20-FOOT WINDS.......
* VALLEYS/LWR SLOPES...SOUTHWEST 2 TO 5 MPH.
* RIDGES/UPR SLOPES....SOUTHWEST 2 TO 5 MPH.
* MIXING HEIGHT.......3500 FT AGL.
* TRANSPORT WINDS.....WEST 5 TO 10 MPH.
* CWR (> 0.10 IN).....0 PERCENT.
* VENTILATION INDEX...LOW (106) IN THE MORNING INCREASING TO
MODERATE (316) IN THE AFTERNOON.
FORECAST DAYS 3 THROUGH 7...
TUESDAY...PARTLY CLOUDY. LOWS 45 TO 50. HIGHS 69 TO 79 VALLEYS
63 TO 73 MOUNTAINS. NORTHWEST WIND UP TO 5 MPH.
WEDNESDAY
MOSTLY CLEAR. LOWS 45 TO 50. HIGHS 70 TO
80 VALLEYS...65 TO 75 MOUNTAINS. NORTHWEST WIND UP TO 5 MPH.
THURSDAY...PARTLY CLOUDY. LOWS NEAR 50. HIGHS 70 TO 80 VALLEYS
64 TO 73 MOUNTAINS. NORTH WIND UP TO 5 MPH.
FRIDAY...MOSTLY CLOUDY. LOWS 48 TO 53. HIGHS 65 TO 75 VALLEYS
58 TO 66 MOUNTAINS.
SATURDAY
COOLER. PARTLY CLOUDY. A CHANCE OF RAIN SHOWERS. LOWS
40 TO 47. HIGHS 54 TO 64 VALLEYS...47 TO 55 MOUNTAINS.
.8 TO 14 DAY OUTLOOK FOR OCT 11 - 17 2026
ABOVE NORMAL TEMPERATURES AND BELOW NORMAL PRECIPITATION.
WAZ699-050115-
OKANOGAN HIGHLANDS AND KETTLE MOUNTAINS (ZONE 699)-
INCLUDING THE CITIES OF REPUBLIC AND CURLEW
410 AM PDT SUN OCT 4 2026
TODAY
* SKY/WEATHER.........SUNNY.
* CHANCE OF LIGHTNING...0 PERCENT.
* MAX TEMPERATURE.....71-81 VALLEYS AND 65-75 MOUNTAINS.
* 24 HR TREND........4 DEGREES WARMER.
* MIN HUMIDITY........28-40 PERCENT.
* 24 HR TREND........5 PERCENT DRIER VALLEYS, AND 10 PERCENT DRIER
MOUNTAINS.
* 20-FOOT WINDS.......
* VALLEYS/LWR SLOPES...NORTHEAST UP TO 4 MPH IN THE MORNING
SHIFTING TO THE SOUTH IN THE AFTERNOON.
* RIDGES/UPR SLOPES....SOUTHEAST UP TO 4 MPH IN THE MORNING
SHIFTING TO THE SOUTHWEST 2 TO 4 MPH IN THE AFTERNOON.
* MIXING HEIGHT.......4000 FT AGL.
* TRANSPORT WINDS.....SOUTH 5 TO 10 MPH.
* CWR (> 0.10 IN).....0 PERCENT.
* VENTILATION INDEX...MODERATE (307).
TONIGHT
* SKY/WEATHER.........PARTLY CLOUDY.
* CHANCE OF LIGHTNING...0 PERCENT.
* MIN TEMPERATURE.....44-51.
* 24 HR TREND........1 DEGREE WARMER.
* MAX HUMIDITY........70-80 PERCENT VALLEYS AND 60-75 PERCENT
MOUNTAINS.
* 24 HR TREND........UNCHANGED VALLEYS, AND 10 PERCENT DRIER
MOUNTAINS.
* HUMIDITY RECOVERY...GOOD.
* 20-FOOT WINDS.......
* VALLEYS/LWR SLOPES...SOUTH UP TO 3 MPH.
* RIDGES/UPR SLOPES....SOUTHWEST UP TO 3 MPH.
* MIXING HEIGHT.......FALLING TO NEAR SURFACE.
* TRANSPORT WINDS.....SOUTHWEST AROUND 5 MPH.
* CWR (> 0.10 IN).....0 PERCENT.
* VENTILATION INDEX...LOW (79).
MONDAY
* SKY/WEATHER.........MOSTLY SUNNY.
* CHANCE OF LIGHTNING...0 PERCENT.
* MAX TEMPERATURE.....70-80 VALLEYS AND 64-73 MOUNTAINS.
* MIN HUMIDITY........27-40 PERCENT.
* 20-FOOT WINDS.......
* VALLEYS/LWR SLOPES...LIGHT WINDS IN THE MORNING BECOMING
SOUTHWEST 3 TO 4 MPH IN THE AFTERNOON.
* RIDGES/UPR SLOPES....WEST UP TO 4 MPH.
* MIXING HEIGHT.......4500 FT AGL.
* TRANSPORT WINDS.....WEST 5 TO 10 MPH.
* CWR (> 0.10 IN).....0 PERCENT.
* VENTILATION INDEX...LOW (118) IN THE MORNING INCREASING TO
MODERATE (431) IN THE AFTERNOON.
FORECAST DAYS 3 THROUGH 7...
TUESDAY...PARTLY CLOUDY. LOWS 42 TO 49. HIGHS 68 TO 78 VALLEYS
62 TO 72 MOUNTAINS. NORTHWEST WIND UP TO 5 MPH.
WEDNESDAY
MOSTLY CLEAR. LOWS 42 TO 49. HIGHS 70 TO
80 VALLEYS...63 TO 73 MOUNTAINS. NORTHWEST WIND UP TO 5 MPH.
THURSDAY
PARTLY CLOUDY. LOWS 44 TO 51. HIGHS 69 TO
78 VALLEYS...63 TO 72 MOUNTAINS. NORTHWEST WIND UP TO 5 MPH.
FRIDAY...MOSTLY CLOUDY. LOWS 45 TO 51. HIGHS 63 TO 72 VALLEYS
57 TO 65 MOUNTAINS.
SATURDAY
COOLER. MOSTLY CLOUDY. A CHANCE OF RAIN SHOWERS. LOWS
38 TO 45. HIGHS 52 TO 61 VALLEYS...45 TO 53 MOUNTAINS.
.8 TO 14 DAY OUTLOOK FOR OCT 11 - 17 2026
ABOVE NORMAL TEMPERATURES AND BELOW NORMAL PRECIPITATION.
WAZ700-701-050115-
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
410 AM PDT SUN OCT 4 2026
TODAY
* SKY/WEATHER.........SUNNY.
* CHANCE OF LIGHTNING...0 PERCENT.
* MAX TEMPERATURE.....73-80 VALLEYS AND 64-73 MOUNTAINS.
* 24 HR TREND........3 DEGREES WARMER.
* MIN HUMIDITY........29-35 PERCENT VALLEYS AND 35-45 PERCENT
MOUNTAINS.
* 24 HR TREND........UNCHANGED VALLEYS, AND 10 PERCENT DRIER
MOUNTAINS.
* 20-FOOT WINDS.......
* VALLEYS/LWR SLOPES...NORTHEAST 2 TO 5 MPH IN THE MORNING
SHIFTING TO THE SOUTH UP TO 3 MPH IN THE AFTERNOON.
* RIDGES/UPR SLOPES....SOUTHEAST 3 TO 6 MPH IN THE MORNING SHIFTING
TO THE SOUTHWEST 3 TO 4 MPH IN THE AFTERNOON.
* MIXING HEIGHT.......3500 FT AGL.
* TRANSPORT WINDS.....SOUTH 5 TO 10 MPH.
* CWR (> 0.10 IN).....0 PERCENT.
* VENTILATION INDEX...MODERATE (282).
TONIGHT
* SKY/WEATHER.........MOSTLY CLEAR.
* CHANCE OF LIGHTNING...0 PERCENT.
* MIN TEMPERATURE.....43-50.
* 24 HR TREND........UNCHANGED.
* MAX HUMIDITY........71-90 PERCENT VALLEYS AND 65-80 PERCENT
MOUNTAINS.
* 24 HR TREND........UNCHANGED VALLEYS, AND 5 PERCENT DRIER
MOUNTAINS.
* HUMIDITY RECOVERY...GOOD.
* 20-FOOT WINDS.......
* VALLEYS/LWR SLOPES...SOUTH UP TO 3 MPH.
* RIDGES/UPR SLOPES....SOUTH UP TO 4 MPH.
* MIXING HEIGHT.......FALLING TO NEAR SURFACE.
* TRANSPORT WINDS.....SOUTHWEST AROUND 5 MPH.
* CWR (> 0.10 IN).....0 PERCENT.
* VENTILATION INDEX...LOW (45).
MONDAY
* SKY/WEATHER.........MOSTLY SUNNY.
* CHANCE OF LIGHTNING...0 PERCENT.
* MAX TEMPERATURE.....71-78 VALLEYS AND 62-71 MOUNTAINS.
* MIN HUMIDITY........29-40 PERCENT.
* 20-FOOT WINDS.......
* VALLEYS/LWR SLOPES...LIGHT WINDS IN THE MORNING BECOMING
SOUTHWEST 3 TO 6 MPH IN THE AFTERNOON.
* RIDGES/UPR SLOPES....SOUTHWEST 3 TO 6 MPH.
* MIXING HEIGHT.......4000 FT AGL.
* TRANSPORT WINDS.....SOUTHWEST 5 TO 10 MPH.
* CWR (> 0.10 IN).....0 PERCENT.
* VENTILATION INDEX...LOW (198) IN THE MORNING INCREASING TO
MODERATE (477) IN THE AFTERNOON.
FORECAST DAYS 3 THROUGH 7...
TUESDAY...MOSTLY CLEAR. LOWS 41 TO 49. HIGHS 70 TO 77 VALLEYS
60 TO 69 MOUNTAINS. SOUTH WIND UP TO 5 MPH.
WEDNESDAY
MOSTLY CLEAR. LOWS 41 TO 50. HIGHS 71 TO
79 VALLEYS...61 TO 71 MOUNTAINS. NORTHWEST WIND UP TO 5 MPH.
THURSDAY
PARTLY CLOUDY. LOWS 43 TO 50. HIGHS 70 TO
77 VALLEYS...60 TO 70 MOUNTAINS. EAST WIND UP TO 5 MPH.
FRIDAY
MOSTLY CLOUDY. A CHANCE OF RAIN SHOWERS. LOWS 43 TO 51.
HIGHS 65 TO 73 VALLEYS...56 TO 65 MOUNTAINS.
SATURDAY
COOLER. MOSTLY CLOUDY. A CHANCE OF RAIN SHOWERS. LOWS
38 TO 45. HIGHS 53 TO 62 VALLEYS...43 TO 53 MOUNTAINS.
.8 TO 14 DAY OUTLOOK FOR OCT 11 - 17 2026
ABOVE NORMAL TEMPERATURES AND BELOW NORMAL PRECIPITATION.
IDZ101-050115-
NORTHERN AND CENTRAL IDAHO PANHANDLE (ZONE 101)-
INCLUDING THE CITIES OF ST. MARIES, RATHDRUM PRAIRIE,
SILVER VALLEY, BONNERS FERRY, AND PRIEST LAKE
410 AM PDT SUN OCT 4 2026
TODAY
* SKY/WEATHER.........SUNNY.
* CHANCE OF LIGHTNING...0 PERCENT.
* MAX TEMPERATURE.....73-82 VALLEYS AND 67-77 MOUNTAINS.
* 24 HR TREND........7 DEGREES WARMER.
* MIN HUMIDITY........25-40 PERCENT.
* 24 HR TREND........11 PERCENT DRIER VALLEYS, AND 5 PERCENT DRIER
MOUNTAINS.
* 20-FOOT WINDS.......
* VALLEYS/LWR SLOPES...EAST 3 TO 5 MPH IN THE MORNING SHIFTING TO
THE SOUTHWEST UP TO 4 MPH IN THE AFTERNOON.
* RIDGES/UPR SLOPES....SOUTHEAST 3 TO 6 MPH IN THE MORNING SHIFTING
TO THE SOUTHWEST IN THE AFTERNOON.
* MIXING HEIGHT.......4000 FT AGL.
* TRANSPORT WINDS.....SOUTH 5 TO 10 MPH.
* CWR (> 0.10 IN).....0 PERCENT.
* VENTILATION INDEX...LOW (171) IN THE MORNING INCREASING TO HIGH
(561) IN THE AFTERNOON.
TONIGHT
* SKY/WEATHER.........MOSTLY CLEAR.
* CHANCE OF LIGHTNING...0 PERCENT.
* MIN TEMPERATURE.....44-52.
* 24 HR TREND........2 DEGREES WARMER.
* MAX HUMIDITY........71-90 PERCENT VALLEYS AND 65-80 PERCENT
MOUNTAINS.
* 24 HR TREND........10 PERCENT WETTER VALLEYS, AND UNCHANGED
MOUNTAINS.
* HUMIDITY RECOVERY...GOOD.
* 20-FOOT WINDS.......
* VALLEYS/LWR SLOPES...SOUTH 2 TO 5 MPH.
* RIDGES/UPR SLOPES....SOUTH 3 TO 6 MPH.
* MIXING HEIGHT.......FALLING TO NEAR SURFACE.
* TRANSPORT WINDS.....SOUTHWEST 5 TO 10 MPH.
* CWR (> 0.10 IN).....0 PERCENT.
* VENTILATION INDEX...LOW (48).
MONDAY
* SKY/WEATHER.........MOSTLY SUNNY.
* CHANCE OF LIGHTNING...0 PERCENT.
* MAX TEMPERATURE.....71-78 VALLEYS AND 63-73 MOUNTAINS.
* MIN HUMIDITY........30-45 PERCENT.
* 20-FOOT WINDS.......
* VALLEYS/LWR SLOPES...SOUTHWEST 3 TO 8 MPH. GUSTS UP TO 20
MPH IN THE AFTERNOON.
* RIDGES/UPR SLOPES....SOUTHWEST 3 TO 8 MPH. GUSTS UP TO 20
MPH IN THE AFTERNOON.
* MIXING HEIGHT.......4500 FT AGL.
* TRANSPORT WINDS.....SOUTHWEST 5 TO 15 MPH.
* CWR (> 0.10 IN).....0 PERCENT.
* VENTILATION INDEX...MODERATE (430) IN THE MORNING INCREASING TO
HIGH (712) IN THE AFTERNOON.
FORECAST DAYS 3 THROUGH 7...
TUESDAY THROUGH THURSDAY
MOSTLY CLEAR. LOWS 43 TO 52. HIGHS
70 TO 77 VALLEYS...62 TO 72 MOUNTAINS. SOUTH WIND UP TO 5 MPH.
FRIDAY
PARTLY CLOUDY. A CHANCE OF RAIN SHOWERS. LOWS 45 TO 53.
HIGHS 67 TO 73 VALLEYS...58 TO 68 MOUNTAINS.
SATURDAY
COOLER. MOSTLY CLOUDY. A CHANCE OF RAIN AND HIGH
MOUNTAIN SNOW SHOWERS. LOWS 39 TO 47. HIGHS 52 TO 58 VALLEYS...
43 TO 53 MOUNTAINS.
.8 TO 14 DAY OUTLOOK FOR OCT 11 - 17 2026
ABOVE NORMAL TEMPERATURES AND BELOW NORMAL PRECIPITATION.
WAZ707-050115-
WESTERN COLUMBIA BASIN (ZONE 707)-
INCLUDING THE CITIES OF MOSES LAKE AND EPHRATA
410 AM PDT SUN OCT 4 2026
TODAY
* SKY/WEATHER.........SUNNY.
* CHANCE OF LIGHTNING...0 PERCENT.
* MAX TEMPERATURE.....79-83.
* 24 HR TREND........1 DEGREE WARMER.
* MIN HUMIDITY........27-35 PERCENT.
* 24 HR TREND........UNCHANGED.
* 20-FOOT WINDS.......NORTH 3 TO 7 MPH IN THE MORNING SHIFTING TO
THE SOUTH 2 TO 4 MPH IN THE AFTERNOON.
* MIXING HEIGHT.......3500 FT AGL.
* TRANSPORT WINDS.....NORTHWEST 5 TO 10 MPH.
* CWR (> 0.10 IN).....0 PERCENT.
* VENTILATION INDEX...LOW (166).
TONIGHT
* SKY/WEATHER.........MOSTLY CLEAR.
* CHANCE OF LIGHTNING...0 PERCENT.
* MIN TEMPERATURE.....48-55.
* 24 HR TREND........UNCHANGED.
* MAX HUMIDITY........65-80 PERCENT.
* 24 HR TREND........UNCHANGED.
* HUMIDITY RECOVERY...GOOD.
* 20-FOOT WINDS.......SOUTHWEST 2 TO 4 MPH IN THE EVENING
SHIFTING TO THE SOUTHEAST 3 TO 5 MPH OVERNIGHT.
* MIXING HEIGHT.......FALLING TO NEAR SURFACE.
* TRANSPORT WINDS.....SOUTHWEST AROUND 5 MPH.
* CWR (> 0.10 IN).....0 PERCENT.
* VENTILATION INDEX...LOW (37).
MONDAY
* SKY/WEATHER.........MOSTLY SUNNY.
* CHANCE OF LIGHTNING...0 PERCENT.
* MAX TEMPERATURE.....79-84.
* MIN HUMIDITY........22-29 PERCENT.
* 20-FOOT WINDS.......WEST 3 TO 6 MPH.
* MIXING HEIGHT.......4500 FT AGL.
* TRANSPORT WINDS.....WEST 5 TO 10 MPH.
* CWR (> 0.10 IN).....0 PERCENT.
* VENTILATION INDEX...LOW (156) IN THE MORNING INCREASING TO
MODERATE (496) IN THE AFTERNOON.
FORECAST DAYS 3 THROUGH 7...
TUESDAY THROUGH WEDNESDAY
MOSTLY CLEAR. LOWS 45 TO 54. HIGHS
76 TO 82. NORTH WIND UP TO 5 MPH.
THURSDAY
MOSTLY CLEAR. LOWS 47 TO 55. HIGHS 77 TO 82.
NORTHEAST WIND UP TO 5 MPH.
FRIDAY
PARTLY CLOUDY. LOWS 48 TO 55. HIGHS 73 TO 78.
SATURDAY
COOLER. PARTLY CLOUDY. LOWS 43 TO 49. HIGHS IN THE
60S.
.8 TO 14 DAY OUTLOOK FOR OCT 11 - 17 2026
ABOVE NORMAL TEMPERATURES AND BELOW NORMAL PRECIPITATION.
WAZ708-050115-
EASTERN COLUMBIA BASIN - PALOUSE - SPOKANE AREA (ZONE 708)-
INCLUDING THE CITIES OF SPOKANE, PULLMAN, RITZVILLE, WILBUR,
AND CHENEY
410 AM PDT SUN OCT 4 2026
TODAY
* SKY/WEATHER.........SUNNY.
* CHANCE OF LIGHTNING...0 PERCENT.
* MAX TEMPERATURE.....78-84.
* 24 HR TREND........1 DEGREE WARMER.
* MIN HUMIDITY........24-30 PERCENT.
* 24 HR TREND........3 PERCENT DRIER.
* 20-FOOT WINDS.......EAST 3 TO 7 MPH IN THE MORNING SHIFTING TO
THE SOUTHWEST 3 TO 5 MPH IN THE AFTERNOON.
* MIXING HEIGHT.......3500 FT AGL.
* TRANSPORT WINDS.....SOUTH 5 TO 10 MPH.
* CWR (> 0.10 IN).....0 PERCENT.
* VENTILATION INDEX...MODERATE (259).
TONIGHT
* SKY/WEATHER.........MOSTLY CLEAR.
* CHANCE OF LIGHTNING...0 PERCENT.
* MIN TEMPERATURE.....47-53.
* 24 HR TREND........UNCHANGED.
* MAX HUMIDITY........65-80 PERCENT.
* 24 HR TREND........UNCHANGED.
* HUMIDITY RECOVERY...GOOD.
* 20-FOOT WINDS.......SOUTHWEST 2 TO 4 MPH IN THE EVENING SHIFTING
TO THE SOUTHEAST 2 TO 4 MPH OVERNIGHT.
* MIXING HEIGHT.......FALLING TO NEAR SURFACE.
* TRANSPORT WINDS.....SOUTHWEST 5 TO 10 MPH.
* CWR (> 0.10 IN).....0 PERCENT.
* VENTILATION INDEX...LOW (31).
MONDAY
* SKY/WEATHER.........MOSTLY SUNNY.
* CHANCE OF LIGHTNING...0 PERCENT.
* MAX TEMPERATURE.....77-84.
* MIN HUMIDITY........23-29 PERCENT.
* 20-FOOT WINDS.......SOUTH 3 TO 5 MPH IN THE MORNING SHIFTING TO
THE SOUTHWEST 4 TO 7 MPH IN THE AFTERNOON.
* MIXING HEIGHT.......4000 FT AGL.
* TRANSPORT WINDS.....SOUTHWEST 5 TO 15 MPH.
* CWR (> 0.10 IN).....0 PERCENT.
* VENTILATION INDEX...MODERATE (335) IN THE MORNING INCREASING TO
HIGH (538) IN THE AFTERNOON.
FORECAST DAYS 3 THROUGH 7...
TUESDAY
MOSTLY CLEAR. LOWS 46 TO 52. HIGHS 75 TO 82. SOUTH
WIND UP TO 5 MPH.
WEDNESDAY THROUGH THURSDAY
MOSTLY CLEAR. LOWS 45 TO 52. HIGHS
75 TO 83. SOUTHEAST WIND UP TO 5 MPH.
FRIDAY
PARTLY CLOUDY. A CHANCE OF RAIN SHOWERS. LOWS 48 TO 53.
HIGHS 72 TO 79.
SATURDAY
COOLER. PARTLY CLOUDY. A CHANCE OF RAIN SHOWERS. LOWS
43 TO 48. HIGHS 59 TO 66.
.8 TO 14 DAY OUTLOOK FOR OCT 11 - 17 2026
ABOVE NORMAL TEMPERATURES AND BELOW NORMAL PRECIPITATION.
WAZ709-050115-
LOWER PALOUSE - SNAKE RIVER (ZONE 709)-
INCLUDING THE CITY OF POMEROY
410 AM PDT SUN OCT 4 2026
TODAY
* SKY/WEATHER.........SUNNY.
* CHANCE OF LIGHTNING...0 PERCENT.
* MAX TEMPERATURE.....77-87.
* 24 HR TREND........1 DEGREE WARMER.
* MIN HUMIDITY........25-30 PERCENT.
* 24 HR TREND........1 PERCENT WETTER.
* 20-FOOT WINDS.......SOUTH 3 TO 6 MPH IN THE MORNING SHIFTING TO
THE NORTHWEST 3 TO 5 MPH IN THE AFTERNOON.
* MIXING HEIGHT.......2500 FT AGL.
* TRANSPORT WINDS.....SOUTHWEST 5 TO 10 MPH.
* CWR (> 0.10 IN).....0 PERCENT.
* VENTILATION INDEX...LOW (175).
TONIGHT
* SKY/WEATHER.........MOSTLY CLEAR.
* CHANCE OF LIGHTNING...0 PERCENT.
* MIN TEMPERATURE.....52-58.
* 24 HR TREND........1 DEGREE WARMER.
* MAX HUMIDITY........50-65 PERCENT.
* 24 HR TREND........5 PERCENT WETTER.
* HUMIDITY RECOVERY...FAIR.
* 20-FOOT WINDS.......SOUTHWEST 3 TO 5 MPH.
* MIXING HEIGHT.......FALLING TO NEAR SURFACE.
* TRANSPORT WINDS.....SOUTHWEST 5 TO 10 MPH.
* CWR (> 0.10 IN).....0 PERCENT.
* VENTILATION INDEX...LOW (42).
MONDAY
* SKY/WEATHER.........MOSTLY SUNNY.
* CHANCE OF LIGHTNING...0 PERCENT.
* MAX TEMPERATURE.....77-86.
* MIN HUMIDITY........23-30 PERCENT.
* 20-FOOT WINDS.......SOUTH 3 TO 6 MPH IN THE MORNING SHIFTING TO
THE WEST 3 TO 8 MPH IN THE AFTERNOON.
* MIXING HEIGHT.......4000 FT AGL.
* TRANSPORT WINDS.....SOUTHWEST 10 TO 20 MPH.
* CWR (> 0.10 IN).....0 PERCENT.
* VENTILATION INDEX...HIGH (561).
FORECAST DAYS 3 THROUGH 7...
TUESDAY THROUGH THURSDAY
MOSTLY CLEAR. LOWS 50 TO 57. HIGHS
75 TO 85. SOUTHEAST WIND UP TO 5 MPH.
FRIDAY
PARTLY CLOUDY. A CHANCE OF RAIN SHOWERS. LOWS 52 TO 57.
HIGHS 73 TO 82.
SATURDAY
COOLER. PARTLY CLOUDY. A CHANCE OF RAIN SHOWERS. LOWS
IN THE MID 40S TO LOWER 50S. HIGHS 58 TO 68.
.8 TO 14 DAY OUTLOOK FOR OCT 11 - 17 2026
ABOVE NORMAL TEMPERATURES AND BELOW NORMAL PRECIPITATION.
WAZ705-706-050115-
FOOTHILLS OF CENTRAL WASHINGTON CASCADES (ZONE 705)-
WATERVILLE PLATEAU (ZONE 706)-
INCLUDING THE CITIES OF CHELAN, WENATCHEE, WATERVILLE,
AND GRAND COULEE
410 AM PDT SUN OCT 4 2026
TODAY
* SKY/WEATHER.........SUNNY.
* CHANCE OF LIGHTNING...0 PERCENT.
* MAX TEMPERATURE.....74-84.
* 24 HR TREND........2 DEGREES WARMER.
* MIN HUMIDITY........28-35 PERCENT.
* 24 HR TREND........UNCHANGED.
* 20-FOOT WINDS.......NORTH 3 TO 8 MPH IN THE MORNING SHIFTING TO
THE SOUTH 3 TO 5 MPH IN THE AFTERNOON.
* MIXING HEIGHT.......3500 FT AGL.
* TRANSPORT WINDS.....WEST 5 TO 10 MPH.
* CWR (> 0.10 IN).....0 PERCENT.
* VENTILATION INDEX...LOW (175).
TONIGHT
* SKY/WEATHER.........MOSTLY CLEAR.
* CHANCE OF LIGHTNING...0 PERCENT.
* MIN TEMPERATURE.....48-57.
* 24 HR TREND........UNCHANGED.
* MAX HUMIDITY........60-75 PERCENT.
* 24 HR TREND........5 PERCENT DRIER.
* HUMIDITY RECOVERY...FAIR.
* 20-FOOT WINDS.......SOUTHWEST 3 TO 6 MPH.
* MIXING HEIGHT.......FALLING TO NEAR SURFACE.
* TRANSPORT WINDS.....SOUTHWEST 5 TO 10 MPH.
* CWR (> 0.10 IN).....0 PERCENT.
* VENTILATION INDEX...LOW (49).
MONDAY
* SKY/WEATHER.........PARTLY SUNNY.
* CHANCE OF LIGHTNING...0 PERCENT.
* MAX TEMPERATURE.....74-83.
* MIN HUMIDITY........24-30 PERCENT.
* 20-FOOT WINDS.......WEST 3 TO 8 MPH. GUSTS UP TO 20 MPH IN THE
AFTERNOON.
* MIXING HEIGHT.......3500 FT AGL.
* TRANSPORT WINDS.....WEST 5 TO 15 MPH.
* CWR (> 0.10 IN).....0 PERCENT.
* VENTILATION INDEX...LOW (191) IN THE MORNING INCREASING TO
MODERATE (469) IN THE AFTERNOON.
FORECAST DAYS 3 THROUGH 7...
TUESDAY THROUGH THURSDAY
MOSTLY CLEAR. LOWS 47 TO 57. HIGHS
73 TO 83. NORTHWEST WIND UP TO 5 MPH.
FRIDAY
PARTLY CLOUDY. LOWS 49 TO 57. HIGHS 67 TO 76.
SATURDAY
COOLER. PARTLY CLOUDY. LOWS 43 TO 51. HIGHS 57 TO 66.
.8 TO 14 DAY OUTLOOK FOR OCT 11 - 17 2026
ABOVE NORMAL TEMPERATURES AND BELOW NORMAL PRECIPITATION.
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