295
FNUS56 KOTX 242150
FWFOTX
FIRE WEATHER PLANNING FORECAST FOR EASTERN WASHINGTON AND NORTH IDAHO
NATIONAL WEATHER SERVICE SPOKANE WA
250 PM PDT SUN MAY 24 2026
DISCUSSION
A STRONG COLD FRONT ARRIVES MONDAY. IT WILL BE BREEZY AND DRY
UNTIL SHOWERS WITH THE FRONT BY LATE MONDAY AFTERNOON. WINDS WILL
SHIFT SOUTHERLY TO WESTERLY BETWEEN 1500 AND 1800 PDT ON MONDAY.
THUNDERSTORMS WITH SMALL HAIL AND GUSTY ERRATIC WINDS ACROSS
EASTERN DISTRICTS INTO NORTH IDAHO. COOLER ON TUESDAY THEN WARMING
AGAIN ABOVE NORMAL. SHOWERS AT TIMES IN NORTH IDAHO INTO
SOUTHEAST WASHINGTON BEFORE MORE WIDELY SCATTERED SHOWERS AND
THUNDERSTORMS WITH HEAVY RAIN THURSDAY INTO FRIDAY.
***************************************************************
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).
***************************************************************
WAZ696-698-251345-
EAST WASHINGTON CENTRAL CASCADES (ZONE 696)-
EAST WASHINGTON NORTH CASCADES (ZONE 698)-
INCLUDING THE CITIES OF STEVENS PASS, LAKE WENATCHEE AREA,
AND LEAVENWORTH
250 PM PDT SUN MAY 24 2026
TONIGHT
* SKY/WEATHER.........MOSTLY CLEAR THEN INCREASING CLOUDS BY
MORNING.
* CHANCE OF LIGHTNING...0 PERCENT.
* MIN TEMPERATURE.....47-56 VALLEYS AND 41-51 MOUNTAINS.
* 24 HR TREND........9 DEGREES WARMER.
* MAX HUMIDITY........50-65 PERCENT.
* 24 HR TREND........5 PERCENT DRIER VALLEYS, AND 5 PERCENT WETTER
MOUNTAINS.
* HUMIDITY RECOVERY...FAIR.
* 20-FOOT WINDS.......
* VALLEYS/LWR SLOPES...WEST 3 TO 13 MPH. GUSTS UP TO 25 MPH IN THE
EVENING.
* RIDGES/UPR SLOPES....WEST 3 TO 13 MPH. GUSTS UP TO 25 MPH IN THE
EVENING.
* MIXING HEIGHT.......4000 FT AGL FALLING TO NEAR SURFACE.
* TRANSPORT WINDS.....WEST 5 TO 15 MPH.
* CWR (> 0.10 IN).....0 PERCENT.
* VENTILATION INDEX...HIGH (695) IN THE EVENING DECREASING TO LOW
(77) OVERNIGHT.
MEMORIAL DAY
* SKY/WEATHER.........PARTLY SUNNY. A CHANCE OF RAIN SHOWERS IN THE
LATE MORNING AND AFTERNOON.
* CHANCE OF LIGHTNING...0 PERCENT.
* MAX TEMPERATURE.....64-74 VALLEYS AND 52-62 MOUNTAINS.
* 24 HR TREND........4 DEGREES COOLER.
* MIN HUMIDITY........30-45 PERCENT VALLEYS AND 40-55 PERCENT
MOUNTAINS.
* 24 HR TREND........1 PERCENT DRIER VALLEYS, AND 15 PERCENT WETTER
MOUNTAINS.
* 20-FOOT WINDS.......
* VALLEYS/LWR SLOPES...SOUTH 5 TO 16 MPH. GUSTS UP TO 25 MPH IN THE
MORNING INCREASING TO 35 MPH IN THE AFTERNOON.
* RIDGES/UPR SLOPES....SOUTHWEST 7 TO 16 MPH WITH GUSTS TO
AROUND 35 MPH.
* MIXING HEIGHT.......7000 FT AGL.
* TRANSPORT WINDS.....SOUTH 10 TO 20 MPH.
* CWR (> 0.10 IN).....0 PERCENT.
* VENTILATION INDEX...VERY HIGH (882) IN THE MORNING INCREASING TO
VERY HIGH (1933) IN THE AFTERNOON.
MONDAY NIGHT
* SKY/WEATHER.........MOSTLY CLOUDY. RAIN AND HIGH MOUNTAIN SNOW
SHOWERS LIKELY.
* CHANCE OF LIGHTNING...0 PERCENT.
* MIN TEMPERATURE.....41-51 VALLEYS AND 35-45 MOUNTAINS.
* MAX HUMIDITY........65-80 PERCENT VALLEYS AND 80-90 PERCENT
MOUNTAINS.
* HUMIDITY RECOVERY...GOOD.
* 20-FOOT WINDS.......
* VALLEYS/LWR SLOPES...WEST 3 TO 13 MPH. GUSTS UP TO 35 MPH
IN THE EVENING DECREASING TO 20 MPH OVERNIGHT.
* RIDGES/UPR SLOPES....WEST 5 TO 14 MPH. GUSTS UP TO 35 MPH
IN THE EVENING DECREASING TO 25 MPH OVERNIGHT.
* MIXING HEIGHT.......4000 FT AGL FALLING TO NEAR SURFACE.
* TRANSPORT WINDS.....WEST 10 TO 20 MPH.
* CWR (> 0.10 IN).....20 PERCENT.
* VENTILATION INDEX...VERY HIGH (1206) IN THE EVENING DECREASING TO
LOW (162) OVERNIGHT.
TUESDAY
* SKY/WEATHER.........MOSTLY CLOUDY. RAIN AND HIGH MOUNTAIN SNOW
SHOWERS LIKELY EARLY IN THE MORNING, THEN A CHANCE OF RAIN AND
HIGH MOUNTAIN SNOW SHOWERS IN THE LATE MORNING AND AFTERNOON.
* CHANCE OF LIGHTNING...0 PERCENT.
* MAX TEMPERATURE.....56-66 VALLEYS AND 45-55 MOUNTAINS.
* MIN HUMIDITY........45-60 PERCENT VALLEYS AND 65-80 PERCENT
MOUNTAINS.
* 20-FOOT WINDS.......
* VALLEYS/LWR SLOPES...NORTHWEST 3 TO 11 MPH.
* RIDGES/UPR SLOPES....NORTHWEST 3 TO 11 MPH.
* MIXING HEIGHT.......4500 FT AGL.
* TRANSPORT WINDS.....NORTH 5 TO 15 MPH.
* CWR (> 0.10 IN).....20 PERCENT.
* VENTILATION INDEX...MODERATE (361) IN THE MORNING INCREASING TO
MODERATE (402) IN THE AFTERNOON.
FORECAST DAYS 3 THROUGH 7...
WEDNESDAY...WARMER. PARTLY CLOUDY. LOWS 42 TO 52 VALLEYS
36 TO
46 MOUNTAINS. HIGHS 71 TO 81 VALLEYS...59 TO 69 MOUNTAINS.
NORTHWEST WIND 5 TO 15 MPH.
THURSDAY
PARTLY CLOUDY. A CHANCE OF RAIN SHOWERS. LOWS 47 TO
57 VALLEYS...42 TO 52 MOUNTAINS. HIGHS 72 TO 82 VALLEYS...63 TO
73 MOUNTAINS. NORTHWEST WIND UP TO 10 MPH.
FRIDAY
COOLER. MOSTLY CLOUDY. A CHANCE OF RAIN SHOWERS. LOWS
45 TO 55. HIGHS 63 TO 73 VALLEYS...54 TO 64 MOUNTAINS. NORTHWEST
WIND 10 TO 20 MPH.
SATURDAY...PARTLY CLOUDY. LOWS 41 TO 51 VALLEYS
36 TO
46 MOUNTAINS. HIGHS 60 TO 70 VALLEYS...50 TO 60 MOUNTAINS.
SUNDAY
PARTLY CLOUDY. A CHANCE OF RAIN AND HIGH MOUNTAIN SNOW
SHOWERS. LOWS 39 TO 49 VALLEYS...34 TO 44 MOUNTAINS. HIGHS 63 TO
73 VALLEYS...53 TO 63 MOUNTAINS.
.8 TO 14 DAY OUTLOOK FOR JUN 01 - 07 2026
ABOVE NORMAL TEMPERATURES AND NEAR NORMAL PRECIPITATION.
WAZ697-251345-
EAST PORTION OF NORTH CASCADES NATIONAL PARK/LAKE CHELAN NATIONAL
RECREATION AREA (ZONE 697)-
INCLUDING THE CITY OF STEHEKIN
250 PM PDT SUN MAY 24 2026
TONIGHT
* SKY/WEATHER.........MOSTLY CLEAR THEN INCREASING CLOUDS BY
MORNING.
* CHANCE OF LIGHTNING...0 PERCENT.
* MIN TEMPERATURE.....47-57 VALLEYS AND 39-49 MOUNTAINS.
* 24 HR TREND........4 DEGREES COOLER VALLEYS, AND 5 DEGREES WARMER
MOUNTAINS.
* MAX HUMIDITY........50-65 PERCENT.
* 24 HR TREND........5 PERCENT DRIER VALLEYS, AND 20 PERCENT DRIER
MOUNTAINS.
* HUMIDITY RECOVERY...FAIR.
* 20-FOOT WINDS.......
* VALLEYS/LWR SLOPES...NORTHWEST 3 TO 8 MPH IN THE EVENING SHIFTING
TO THE NORTH 3 TO 5 MPH OVERNIGHT.
* RIDGES/UPR SLOPES....SOUTHWEST 4 TO 12 MPH.
* MIXING HEIGHT.......3000 FT AGL FALLING TO NEAR SURFACE.
* TRANSPORT WINDS.....SOUTHWEST 5 TO 15 MPH.
* CWR (> 0.10 IN).....0 PERCENT.
* VENTILATION INDEX...MODERATE (381) IN THE EVENING DECREASING TO
LOW (50) OVERNIGHT.
MEMORIAL DAY
* SKY/WEATHER.........MOSTLY CLOUDY. A CHANCE OF RAIN SHOWERS IN
THE LATE MORNING AND EARLY AFTERNOON. RAIN SHOWERS LIKELY LATE IN
THE AFTERNOON.
* CHANCE OF LIGHTNING...0 PERCENT.
* MAX TEMPERATURE.....62-72 VALLEYS AND 50-60 MOUNTAINS.
* 24 HR TREND........4 DEGREES COOLER VALLEYS, AND 12 DEGREES
COOLER MOUNTAINS.
* MIN HUMIDITY........45-60 PERCENT.
* 24 HR TREND........5 PERCENT WETTER VALLEYS, AND UNCHANGED
MOUNTAINS.
* 20-FOOT WINDS.......
* VALLEYS/LWR SLOPES...SOUTHWEST 3 TO 10 MPH.
* RIDGES/UPR SLOPES....SOUTHWEST 3 TO 10 MPH.
* MIXING HEIGHT.......5000 FT AGL.
* TRANSPORT WINDS.....SOUTH 10 TO 20 MPH.
* CWR (> 0.10 IN).....0 PERCENT.
* VENTILATION INDEX...HIGH (587) IN THE MORNING INCREASING TO VERY
HIGH (949) IN THE AFTERNOON.
MONDAY NIGHT
* SKY/WEATHER.........MOSTLY CLOUDY. RAIN AND HIGH MOUNTAIN SNOW
SHOWERS LIKELY IN THE EVENING, THEN A CHANCE OF RAIN AND HIGH
MOUNTAIN SNOW SHOWERS OVERNIGHT.
* CHANCE OF LIGHTNING...0 PERCENT.
* MIN TEMPERATURE.....42-51 VALLEYS AND 34-44 MOUNTAINS.
* MAX HUMIDITY........65-80 PERCENT VALLEYS AND 71-90 PERCENT
MOUNTAINS.
* HUMIDITY RECOVERY...GOOD.
* 20-FOOT WINDS.......
* VALLEYS/LWR SLOPES...WEST 3 TO 11 MPH.
* RIDGES/UPR SLOPES....WEST 3 TO 11 MPH.
* MIXING HEIGHT.......2000 FT AGL FALLING TO NEAR SURFACE.
* TRANSPORT WINDS.....WEST 10 TO 15 MPH.
* CWR (> 0.10 IN).....20 PERCENT.
* VENTILATION INDEX...MODERATE (340) IN THE EVENING DECREASING TO
LOW (149) OVERNIGHT.
TUESDAY
* SKY/WEATHER.........MOSTLY CLOUDY. RAIN AND HIGH MOUNTAIN SNOW
SHOWERS LIKELY IN THE MORNING, THEN A CHANCE OF RAIN AND HIGH
MOUNTAIN SNOW SHOWERS IN THE AFTERNOON.
* CHANCE OF LIGHTNING...0 PERCENT.
* MAX TEMPERATURE.....55-65 VALLEYS AND 44-54 MOUNTAINS.
* MIN HUMIDITY........55-70 PERCENT.
* 20-FOOT WINDS.......
* VALLEYS/LWR SLOPES...NORTHWEST 3 TO 9 MPH.
* RIDGES/UPR SLOPES....NORTHWEST 3 TO 9 MPH.
* MIXING HEIGHT.......3500 FT AGL.
* TRANSPORT WINDS.....NORTHWEST AROUND 10 MPH.
* CWR (> 0.10 IN).....10 PERCENT.
* VENTILATION INDEX...MODERATE (314) IN THE MORNING INCREASING TO
MODERATE (339) IN THE AFTERNOON.
FORECAST DAYS 3 THROUGH 7...
WEDNESDAY...WARMER. PARTLY CLOUDY. LOWS 43 TO 52 VALLEYS
34 TO
44 MOUNTAINS. HIGHS 70 TO 80 VALLEYS...58 TO 68 MOUNTAINS.
NORTHWEST WIND 5 TO 10 MPH.
THURSDAY
PARTLY CLOUDY. A CHANCE OF RAIN SHOWERS. LOWS 46 TO
56 VALLEYS...41 TO 51 MOUNTAINS. HIGHS 70 TO 80 VALLEYS...63 TO
73 MOUNTAINS. NORTHWEST WIND UP TO 10 MPH.
FRIDAY
COOLER. MOSTLY CLOUDY. A CHANCE OF RAIN SHOWERS. LOWS
47 TO 57 VALLEYS...42 TO 52 MOUNTAINS. HIGHS 59 TO 69 VALLEYS...
52 TO 62 MOUNTAINS. WEST WIND 5 TO 15 MPH.
SATURDAY...PARTLY CLOUDY. LOWS 40 TO 50 VALLEYS
34 TO
44 MOUNTAINS. HIGHS 56 TO 66 VALLEYS...49 TO 59 MOUNTAINS.
SUNDAY...PARTLY CLOUDY. LOWS 38 TO 48 VALLEYS
32 TO
42 MOUNTAINS. HIGHS 60 TO 70 VALLEYS...54 TO 64 MOUNTAINS.
.8 TO 14 DAY OUTLOOK FOR JUN 01 - 07 2026
ABOVE NORMAL TEMPERATURES AND NEAR NORMAL PRECIPITATION.
WAZ704-251345-
METHOW VALLEY (ZONE 704)-
INCLUDING THE CITIES OF MAZAMA, WINTHROP, AND TWISP
250 PM PDT SUN MAY 24 2026
TONIGHT
* SKY/WEATHER.........MOSTLY CLEAR THEN INCREASING CLOUDS BY
MORNING.
* CHANCE OF LIGHTNING...0 PERCENT.
* MIN TEMPERATURE.....46-56.
* 24 HR TREND........4 DEGREES COOLER.
* MAX HUMIDITY........45-60 PERCENT.
* 24 HR TREND........UNCHANGED.
* HUMIDITY RECOVERY...POOR.
* 20-FOOT WINDS.......NORTHWEST 3 TO 12 MPH. GUSTS UP TO 25 MPH IN
THE EVENING.
* MIXING HEIGHT.......5500 FT AGL FALLING TO NEAR SURFACE.
* TRANSPORT WINDS.....WEST 5 TO 15 MPH.
* CWR (> 0.10 IN).....0 PERCENT.
* VENTILATION INDEX...HIGH (790) IN THE EVENING DECREASING TO LOW
(44) OVERNIGHT.
MEMORIAL DAY
* SKY/WEATHER.........MOSTLY CLOUDY. A CHANCE OF RAIN SHOWERS IN
THE AFTERNOON.
* CHANCE OF LIGHTNING...0 PERCENT.
* MAX TEMPERATURE.....68-78.
* 24 HR TREND........4 DEGREES COOLER.
* MIN HUMIDITY........25-35 PERCENT.
* 24 HR TREND........3 PERCENT WETTER.
* 20-FOOT WINDS.......SOUTH 6 TO 17 MPH. GUSTS UP TO 35 MPH IN THE
AFTERNOON.
* MIXING HEIGHT.......9000 FT AGL.
* TRANSPORT WINDS.....SOUTH 10 TO 20 MPH.
* CWR (> 0.10 IN).....0 PERCENT.
* VENTILATION INDEX...VERY HIGH (899) IN THE MORNING INCREASING TO
VERY HIGH (2108) IN THE AFTERNOON.
MONDAY NIGHT
* SKY/WEATHER.........MOSTLY CLOUDY. A CHANCE OF RAIN SHOWERS IN
THE EVENING, THEN RAIN SHOWERS LIKELY OVERNIGHT.
* CHANCE OF LIGHTNING...0 PERCENT.
* MIN TEMPERATURE.....41-50.
* MAX HUMIDITY........65-80 PERCENT.
* HUMIDITY RECOVERY...GOOD.
* 20-FOOT WINDS.......WEST 3 TO 14 MPH. GUSTS UP TO 30 MPH IN THE
EVENING.
* MIXING HEIGHT.......5500 FT AGL FALLING TO NEAR SURFACE.
* TRANSPORT WINDS.....WEST 10 TO 20 MPH.
* CWR (> 0.10 IN).....30 PERCENT.
* VENTILATION INDEX...VERY HIGH (1206) IN THE EVENING DECREASING TO
LOW (134) OVERNIGHT.
TUESDAY
* SKY/WEATHER.........MOSTLY CLOUDY. RAIN SHOWERS LIKELY EARLY IN
THE MORNING, THEN A CHANCE OF RAIN SHOWERS IN THE LATE MORNING
AND AFTERNOON.
* CHANCE OF LIGHTNING...0 PERCENT.
* MAX TEMPERATURE.....60-69.
* MIN HUMIDITY........40-50 PERCENT.
* 20-FOOT WINDS.......NORTHWEST UP TO 5 MPH.
* MIXING HEIGHT.......4500 FT AGL.
* TRANSPORT WINDS.....NORTH 5 TO 10 MPH.
* CWR (> 0.10 IN).....30 PERCENT.
* VENTILATION INDEX...MODERATE (300) IN THE MORNING INCREASING TO
MODERATE (426) IN THE AFTERNOON.
FORECAST DAYS 3 THROUGH 7...
WEDNESDAY
WARMER. PARTLY CLOUDY. LOWS 42 TO 52. HIGHS 74 TO
83. NORTHWEST WIND UP TO 10 MPH.
THURSDAY
PARTLY CLOUDY. A CHANCE OF SHOWERS AND THUNDERSTORMS.
LOWS 49 TO 58. HIGHS 77 TO 86. WEST WIND UP TO 5 MPH.
FRIDAY
MOSTLY CLOUDY. A CHANCE OF RAIN SHOWERS. LOWS 51 TO 60.
HIGHS 69 TO 78. NORTHWEST WIND 5 TO 15 MPH.
SATURDAY
PARTLY CLOUDY. LOWS 43 TO 52. HIGHS 65 TO 74.
SUNDAY
PARTLY CLOUDY. A CHANCE OF RAIN SHOWERS. LOWS 41 TO 50.
HIGHS 67 TO 76.
.8 TO 14 DAY OUTLOOK FOR JUN 01 - 07 2026
ABOVE NORMAL TEMPERATURES AND NEAR NORMAL PRECIPITATION.
WAZ703-251345-
OKANOGAN VALLEY (ZONE 703)-
INCLUDING THE CITIES OF CONCONULLY AND OMAK
250 PM PDT SUN MAY 24 2026
TONIGHT
* SKY/WEATHER.........PARTLY CLOUDY.
* CHANCE OF LIGHTNING...0 PERCENT.
* MIN TEMPERATURE.....51-57.
* 24 HR TREND........4 DEGREES COOLER.
* MAX HUMIDITY........45-55 PERCENT.
* 24 HR TREND........5 PERCENT WETTER.
* HUMIDITY RECOVERY...POOR.
* 20-FOOT WINDS.......SOUTHWEST 5 TO 16 MPH WITH GUSTS TO AROUND 30
MPH IN THE EVENING SHIFTING TO THE SOUTH 3 TO 6 MPH OVERNIGHT.
* MIXING HEIGHT.......7500 FT AGL FALLING TO NEAR SURFACE.
* TRANSPORT WINDS.....SOUTHWEST 10 TO 20 MPH.
* CWR (> 0.10 IN).....0 PERCENT.
* VENTILATION INDEX...VERY HIGH (1125) IN THE EVENING DECREASING TO
LOW (42) OVERNIGHT.
MEMORIAL DAY
* SKY/WEATHER.........MOSTLY CLOUDY. A CHANCE OF RAIN SHOWERS LATE
IN THE AFTERNOON.
* CHANCE OF LIGHTNING...0 PERCENT.
* MAX TEMPERATURE.....71-81.
* 24 HR TREND........2 DEGREES COOLER.
* MIN HUMIDITY........21-27 PERCENT.
* 24 HR TREND........UNCHANGED.
* 20-FOOT WINDS.......SOUTH 8 TO 19 MPH. GUSTS UP TO 30 MPH IN THE
MORNING INCREASING TO 40 MPH IN THE AFTERNOON.
* MIXING HEIGHT.......9500 FT AGL.
* TRANSPORT WINDS.....SOUTH 10 TO 20 MPH.
* CWR (> 0.10 IN).....0 PERCENT.
* VENTILATION INDEX...VERY HIGH (946) IN THE MORNING INCREASING TO
VERY HIGH (2195) IN THE AFTERNOON.
MONDAY NIGHT
* SKY/WEATHER.........CLOUDY. A CHANCE OF RAIN SHOWERS IN THE
EVENING, THEN RAIN SHOWERS LIKELY OVERNIGHT.
* CHANCE OF LIGHTNING...0 PERCENT.
* MIN TEMPERATURE.....47-52.
* MAX HUMIDITY........71-90 PERCENT.
* HUMIDITY RECOVERY...GOOD.
* 20-FOOT WINDS.......SOUTH 7 TO 18 MPH. GUSTS UP TO 35 MPH IN THE
EVENING DECREASING TO 25 MPH OVERNIGHT.
* MIXING HEIGHT.......7000 FT AGL FALLING TO NEAR SURFACE.
* TRANSPORT WINDS.....SOUTHWEST 10 TO 20 MPH.
* CWR (> 0.10 IN).....40 PERCENT.
* VENTILATION INDEX...VERY HIGH (1585) IN THE EVENING DECREASING TO
LOW (176) OVERNIGHT.
TUESDAY
* SKY/WEATHER.........MOSTLY CLOUDY. RAIN SHOWERS LIKELY IN THE
MORNING, THEN A CHANCE OF RAIN SHOWERS IN THE AFTERNOON.
* CHANCE OF LIGHTNING...0 PERCENT.
* MAX TEMPERATURE.....61-71.
* MIN HUMIDITY........40-55 PERCENT.
* 20-FOOT WINDS.......NORTHWEST 3 TO 7 MPH.
* MIXING HEIGHT.......5500 FT AGL.
* TRANSPORT WINDS.....NORTH 5 TO 10 MPH.
* CWR (> 0.10 IN).....20 PERCENT.
* VENTILATION INDEX...MODERATE (300) IN THE MORNING INCREASING TO
MODERATE (446) IN THE AFTERNOON.
FORECAST DAYS 3 THROUGH 7...
WEDNESDAY
WARMER. PARTLY CLOUDY. LOWS 47 TO 53. HIGHS 74 TO
83. NORTH WIND 5 TO 15 MPH.
THURSDAY
PARTLY CLOUDY. A CHANCE OF SHOWERS AND THUNDERSTORMS.
LOWS 53 TO 58. HIGHS 77 TO 86. NORTHWEST WIND UP TO 5 MPH.
FRIDAY
MOSTLY CLOUDY. A CHANCE OF SHOWERS AND THUNDERSTORMS.
LOWS 55 TO 60. HIGHS 72 TO 80. WEST WIND 5 TO 15 MPH.
SATURDAY THROUGH SUNDAY
PARTLY CLOUDY WITH A CHANCE OF RAIN
SHOWERS. LOWS 46 TO 54. HIGHS 67 TO 77.
.8 TO 14 DAY OUTLOOK FOR JUN 01 - 07 2026
ABOVE NORMAL TEMPERATURES AND NEAR NORMAL PRECIPITATION.
WAZ702-251345-
COLVILLE RESERVATION (ZONE 702)-
INCLUDING THE CITIES OF NESPELEM AND KELLER
250 PM PDT SUN MAY 24 2026
TONIGHT
* SKY/WEATHER.........MOSTLY CLEAR.
* CHANCE OF LIGHTNING...0 PERCENT.
* MIN TEMPERATURE.....50-54.
* 24 HR TREND........1 DEGREE WARMER.
* MAX HUMIDITY........40-50 PERCENT.
* 24 HR TREND........5 PERCENT WETTER VALLEYS, AND UNCHANGED
MOUNTAINS.
* HUMIDITY RECOVERY...POOR.
* 20-FOOT WINDS.......
* VALLEYS/LWR SLOPES...SOUTH 3 TO 13 MPH. GUSTS UP TO 25 MPH IN THE
EVENING.
* RIDGES/UPR SLOPES....SOUTH 4 TO 13 MPH. GUSTS UP TO 30 MPH
IN THE EVENING.
* MIXING HEIGHT.......7500 FT AGL FALLING TO NEAR SURFACE.
* TRANSPORT WINDS.....SOUTH 10 TO 20 MPH.
* CWR (> 0.10 IN).....0 PERCENT.
* VENTILATION INDEX...VERY HIGH (1218) IN THE EVENING DECREASING TO
LOW (40) OVERNIGHT.
MEMORIAL DAY
* SKY/WEATHER.........PARTLY SUNNY. RAIN SHOWERS LIKELY LATE IN THE
AFTERNOON.
* CHANCE OF LIGHTNING...0 PERCENT.
* MAX TEMPERATURE.....72-82 VALLEYS AND 64-74 MOUNTAINS.
* 24 HR TREND........1 DEGREE COOLER.
* MIN HUMIDITY........19-26 PERCENT.
* 24 HR TREND........3 PERCENT DRIER.
* 20-FOOT WINDS.......
* VALLEYS/LWR SLOPES...SOUTH 5 TO 16 MPH WITH GUSTS TO AROUND 30
MPH.
* RIDGES/UPR SLOPES....SOUTH 5 TO 16 MPH WITH GUSTS TO AROUND 30
MPH.
* MIXING HEIGHT.......8500 FT AGL.
* TRANSPORT WINDS.....SOUTH 10 TO 20 MPH.
* CWR (> 0.10 IN).....0 PERCENT.
* VENTILATION INDEX...VERY HIGH (950) IN THE MORNING INCREASING TO
VERY HIGH (2003) IN THE AFTERNOON.
MONDAY NIGHT
* SKY/WEATHER.........CLOUDY. RAIN SHOWERS LIKELY IN THE EVENING,
THEN RAIN SHOWERS OVERNIGHT.
* CHANCE OF LIGHTNING...0 PERCENT.
* MIN TEMPERATURE.....45-50.
* MAX HUMIDITY........75-90 PERCENT.
* HUMIDITY RECOVERY...GOOD.
* 20-FOOT WINDS.......
* VALLEYS/LWR SLOPES...SOUTH 5 TO 16 MPH. GUSTS UP TO 35 MPH IN THE
EVENING DECREASING TO 25 MPH OVERNIGHT.
* RIDGES/UPR SLOPES....SOUTH 5 TO 16 MPH. GUSTS UP TO 30 MPH IN THE
EVENING.
* MIXING HEIGHT.......7000 FT AGL FALLING TO NEAR SURFACE.
* TRANSPORT WINDS.....SOUTHWEST 10 TO 20 MPH.
* CWR (> 0.10 IN).....30 PERCENT.
* VENTILATION INDEX...VERY HIGH (1408) IN THE EVENING DECREASING TO
MODERATE (207) OVERNIGHT.
TUESDAY
* SKY/WEATHER.........MOSTLY CLOUDY. A CHANCE OF RAIN SHOWERS.
* CHANCE OF LIGHTNING...0 PERCENT.
* MAX TEMPERATURE.....60-70 VALLEYS AND 53-62 MOUNTAINS.
* MIN HUMIDITY........40-55 PERCENT VALLEYS AND 50-65 PERCENT
MOUNTAINS.
* 20-FOOT WINDS.......
* VALLEYS/LWR SLOPES...SOUTHWEST 3 TO 6 MPH.
* RIDGES/UPR SLOPES....SOUTHWEST 3 TO 7 MPH IN THE MORNING SHIFTING
TO THE WEST 3 TO 5 MPH IN THE AFTERNOON.
* MIXING HEIGHT.......5500 FT AGL.
* TRANSPORT WINDS.....WEST 5 TO 10 MPH.
* CWR (> 0.10 IN).....10 PERCENT.
* VENTILATION INDEX...MODERATE (210) IN THE MORNING INCREASING TO
MODERATE (414) IN THE AFTERNOON.
FORECAST DAYS 3 THROUGH 7...
WEDNESDAY
WARMER. PARTLY CLOUDY. LOWS 45 TO 50. HIGHS 72 TO
82 VALLEYS...67 TO 76 MOUNTAINS. NORTHWEST WIND UP TO 10 MPH.
THURSDAY
PARTLY CLOUDY. A CHANCE OF SHOWERS AND THUNDERSTORMS.
LOWS IN THE LOWER TO MID 50S. HIGHS 74 TO 84. NORTHWEST WIND UP
TO 5 MPH.
FRIDAY
MOSTLY CLOUDY. A CHANCE OF SHOWERS AND THUNDERSTORMS.
LOWS IN THE MID TO UPPER 50S. HIGHS 69 TO 79 VALLEYS...64 TO
73 MOUNTAINS. SOUTHWEST WIND UP TO 10 MPH.
SATURDAY THROUGH SUNDAY
PARTLY CLOUDY WITH A CHANCE OF RAIN
SHOWERS. LOWS 44 TO 51. HIGHS 65 TO 75 VALLEYS...60 TO
69 MOUNTAINS.
.8 TO 14 DAY OUTLOOK FOR JUN 01 - 07 2026
ABOVE NORMAL TEMPERATURES AND NEAR NORMAL PRECIPITATION.
WAZ699-251345-
OKANOGAN HIGHLANDS AND KETTLE MOUNTAINS (ZONE 699)-
INCLUDING THE CITIES OF REPUBLIC AND CURLEW
250 PM PDT SUN MAY 24 2026
TONIGHT
* SKY/WEATHER.........MOSTLY CLEAR.
* CHANCE OF LIGHTNING...0 PERCENT.
* MIN TEMPERATURE.....47-54.
* 24 HR TREND........3 DEGREES WARMER.
* MAX HUMIDITY........45-60 PERCENT VALLEYS AND 40-50 PERCENT
MOUNTAINS.
* 24 HR TREND........UNCHANGED.
* HUMIDITY RECOVERY...POOR.
* 20-FOOT WINDS.......
* VALLEYS/LWR SLOPES...SOUTH 3 TO 12 MPH. GUSTS UP TO 25 MPH IN THE
EVENING.
* RIDGES/UPR SLOPES....SOUTH 3 TO 12 MPH. GUSTS UP TO 25 MPH IN THE
EVENING.
* MIXING HEIGHT.......7500 FT AGL FALLING TO NEAR SURFACE.
* TRANSPORT WINDS.....SOUTH 10 TO 20 MPH.
* CWR (> 0.10 IN).....0 PERCENT.
* VENTILATION INDEX...VERY HIGH (1260) IN THE EVENING DECREASING TO
LOW (53) OVERNIGHT.
MEMORIAL DAY
* SKY/WEATHER.........PARTLY SUNNY. RAIN SHOWERS LIKELY LATE IN THE
AFTERNOON.
* CHANCE OF LIGHTNING...0 PERCENT.
* MAX TEMPERATURE.....73-83 VALLEYS AND 64-74 MOUNTAINS.
* 24 HR TREND........UNCHANGED.
* MIN HUMIDITY........17-27 PERCENT.
* 24 HR TREND........5 PERCENT DRIER.
* 20-FOOT WINDS.......
* VALLEYS/LWR SLOPES...SOUTH 5 TO 16 MPH WITH GUSTS TO AROUND 30
MPH.
* RIDGES/UPR SLOPES....SOUTH 5 TO 16 MPH WITH GUSTS TO AROUND 30
MPH.
* MIXING HEIGHT.......9000 FT AGL.
* TRANSPORT WINDS.....SOUTH 15 TO 25 MPH.
* CWR (> 0.10 IN).....0 PERCENT.
* VENTILATION INDEX...VERY HIGH (1066) IN THE MORNING INCREASING TO
VERY HIGH (2210) IN THE AFTERNOON.
MONDAY NIGHT
* SKY/WEATHER.........CLOUDY. RAIN SHOWERS LIKELY IN THE EVENING,
THEN RAIN SHOWERS OVERNIGHT.
* CHANCE OF LIGHTNING...0 PERCENT.
* MIN TEMPERATURE.....43-50.
* MAX HUMIDITY........81-100 PERCENT VALLEYS AND 80-90 PERCENT
MOUNTAINS.
* HUMIDITY RECOVERY...GOOD.
* 20-FOOT WINDS.......
* VALLEYS/LWR SLOPES...SOUTH 3 TO 14 MPH. GUSTS UP TO 30 MPH IN THE
EVENING DECREASING TO 20 MPH OVERNIGHT.
* RIDGES/UPR SLOPES....SOUTH 3 TO 14 MPH. GUSTS UP TO 30 MPH IN THE
EVENING DECREASING TO 20 MPH OVERNIGHT.
* MIXING HEIGHT.......8000 FT AGL FALLING TO NEAR SURFACE.
* TRANSPORT WINDS.....SOUTHWEST 10 TO 20 MPH.
* CWR (> 0.10 IN).....50 PERCENT.
* VENTILATION INDEX...VERY HIGH (1650) IN THE EVENING DECREASING TO
LOW (155) OVERNIGHT.
TUESDAY
* SKY/WEATHER.........MOSTLY CLOUDY. A CHANCE OF RAIN SHOWERS.
* CHANCE OF LIGHTNING...0 PERCENT.
* MAX TEMPERATURE.....62-72 VALLEYS AND 53-62 MOUNTAINS.
* MIN HUMIDITY........40-55 PERCENT VALLEYS AND 50-65 PERCENT
MOUNTAINS.
* 20-FOOT WINDS.......
* VALLEYS/LWR SLOPES...SOUTHWEST 3 TO 6 MPH IN THE MORNING SHIFTING
TO THE WEST 3 TO 5 MPH IN THE AFTERNOON.
* RIDGES/UPR SLOPES....SOUTHWEST 3 TO 6 MPH IN THE MORNING SHIFTING
TO THE WEST 3 TO 5 MPH IN THE AFTERNOON.
* MIXING HEIGHT.......5000 FT AGL.
* TRANSPORT WINDS.....NORTHWEST 5 TO 10 MPH.
* CWR (> 0.10 IN).....10 PERCENT.
* VENTILATION INDEX...LOW (195) IN THE MORNING INCREASING TO
MODERATE (425) IN THE AFTERNOON.
FORECAST DAYS 3 THROUGH 7...
WEDNESDAY
WARMER. MOSTLY CLOUDY. LOWS 43 TO 50. HIGHS 73 TO
83 VALLEYS...67 TO 76 MOUNTAINS. NORTHWEST WIND UP TO 10 MPH.
THURSDAY
PARTLY CLOUDY. A CHANCE OF SHOWERS AND THUNDERSTORMS.
LOWS 48 TO 55. HIGHS 77 TO 87 VALLEYS...70 TO 80 MOUNTAINS.
NORTHWEST WIND UP TO 5 MPH.
FRIDAY
MOSTLY CLOUDY. A CHANCE OF SHOWERS AND THUNDERSTORMS.
LOWS 51 TO 57. HIGHS 69 TO 78 VALLEYS...63 TO 73 MOUNTAINS.
SOUTHWEST WIND UP TO 5 MPH.
SATURDAY
MOSTLY CLOUDY. A CHANCE OF RAIN SHOWERS. LOWS 45 TO
51. HIGHS 65 TO 74 VALLEYS...59 TO 67 MOUNTAINS.
SUNDAY
PARTLY CLOUDY. A CHANCE OF RAIN SHOWERS. LOWS 42 TO 48.
HIGHS 66 TO 75 VALLEYS...60 TO 69 MOUNTAINS.
.8 TO 14 DAY OUTLOOK FOR JUN 01 - 07 2026
ABOVE NORMAL TEMPERATURES AND NEAR NORMAL PRECIPITATION.
WAZ700-701-251345-
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
250 PM PDT SUN MAY 24 2026
TONIGHT
* SKY/WEATHER.........MOSTLY CLEAR.
* CHANCE OF LIGHTNING...0 PERCENT.
* MIN TEMPERATURE.....45-54.
* 24 HR TREND........4 DEGREES COOLER VALLEYS, AND 3 DEGREES WARMER
MOUNTAINS.
* MAX HUMIDITY........45-60 PERCENT.
* 24 HR TREND........5 PERCENT DRIER VALLEYS, AND 10 PERCENT DRIER
MOUNTAINS.
* HUMIDITY RECOVERY...POOR.
* 20-FOOT WINDS.......
* VALLEYS/LWR SLOPES...SOUTH 3 TO 13 MPH. GUSTS UP TO 25 MPH IN THE
EVENING.
* RIDGES/UPR SLOPES....SOUTH 4 TO 13 MPH. GUSTS UP TO 30 MPH
IN THE EVENING.
* MIXING HEIGHT.......7000 FT AGL FALLING TO NEAR SURFACE.
* TRANSPORT WINDS.....SOUTH 10 TO 20 MPH.
* CWR (> 0.10 IN).....0 PERCENT.
* VENTILATION INDEX...VERY HIGH (1110) IN THE EVENING DECREASING TO
LOW (44) OVERNIGHT.
MEMORIAL DAY
* SKY/WEATHER.........MOSTLY SUNNY THEN PARTLY SUNNY. A CHANCE OF
SHOWERS AND THUNDERSTORMS WITH SMALL HAIL LATE IN THE AFTERNOON.
* CHANCE OF LIGHTNING...20 PERCENT.
* MAX TEMPERATURE.....75-84 VALLEYS AND 66-76 MOUNTAINS.
* 24 HR TREND........2 DEGREES WARMER.
* MIN HUMIDITY........20-29 PERCENT.
* 24 HR TREND........2 PERCENT DRIER.
* 20-FOOT WINDS.......
* VALLEYS/LWR SLOPES...SOUTH 3 TO 10 MPH WITH GUSTS TO AROUND 25
MPH.
* RIDGES/UPR SLOPES....SOUTH 4 TO 12 MPH WITH GUSTS TO AROUND
25 MPH.
* MIXING HEIGHT.......7500 FT AGL.
* TRANSPORT WINDS.....SOUTH 10 TO 20 MPH.
* CWR (> 0.10 IN).....0 PERCENT.
* VENTILATION INDEX...VERY HIGH (833) IN THE MORNING INCREASING TO
VERY HIGH (1540) IN THE AFTERNOON.
MONDAY NIGHT
* SKY/WEATHER.........CLOUDY. A CHANCE OF SHOWERS AND THUNDERSTORMS
WITH SMALL HAIL EARLY IN THE EVENING, THEN RAIN SHOWERS LIKELY IN
THE LATE EVENING AND OVERNIGHT.
* CHANCE OF LIGHTNING...20 PERCENT.
* MIN TEMPERATURE.....43-50.
* MAX HUMIDITY........75-90 PERCENT.
* HUMIDITY RECOVERY...GOOD.
* 20-FOOT WINDS.......
* VALLEYS/LWR SLOPES...SOUTHWEST 4 TO 15 MPH WITH GUSTS TO AROUND
30 MPH.
* RIDGES/UPR SLOPES....SOUTHWEST 4 TO 15 MPH WITH GUSTS TO AROUND
30 MPH.
* MIXING HEIGHT.......6000 FT AGL FALLING TO NEAR SURFACE.
* TRANSPORT WINDS.....SOUTHWEST 5 TO 15 MPH.
* CWR (> 0.10 IN).....30 PERCENT.
* VENTILATION INDEX...VERY HIGH (904) IN THE EVENING DECREASING TO
LOW (155) OVERNIGHT.
TUESDAY
* SKY/WEATHER.........MOSTLY CLOUDY. A CHANCE OF RAIN SHOWERS IN
THE MORNING. A CHANCE OF RAIN SHOWERS LATE IN THE AFTERNOON.
* CHANCE OF LIGHTNING...0 PERCENT.
* MAX TEMPERATURE.....61-69 VALLEYS AND 53-63 MOUNTAINS.
* MIN HUMIDITY........45-55 PERCENT VALLEYS AND 50-65 PERCENT
MOUNTAINS.
* 20-FOOT WINDS.......
* VALLEYS/LWR SLOPES...SOUTHWEST 3 TO 8 MPH.
* RIDGES/UPR SLOPES....SOUTHWEST 3 TO 8 MPH.
* MIXING HEIGHT.......5000 FT AGL.
* TRANSPORT WINDS.....WEST 5 TO 10 MPH.
* CWR (> 0.10 IN).....10 PERCENT.
* VENTILATION INDEX...MODERATE (209) IN THE MORNING INCREASING TO
MODERATE (346) IN THE AFTERNOON.
FORECAST DAYS 3 THROUGH 7...
WEDNESDAY
WARMER. MOSTLY CLOUDY. A CHANCE OF RAIN SHOWERS.
LOWS 42 TO 49. HIGHS 72 TO 81 VALLEYS...66 TO 76 MOUNTAINS.
NORTHWEST WIND UP TO 5 MPH.
THURSDAY
PARTLY CLOUDY. A CHANCE OF SHOWERS AND THUNDERSTORMS.
LOWS 46 TO 55. HIGHS 77 TO 86 VALLEYS...70 TO 80 MOUNTAINS.
NORTHEAST WIND UP TO 5 MPH.
FRIDAY
MOSTLY CLOUDY. A CHANCE OF SHOWERS AND THUNDERSTORMS.
LOWS 49 TO 57. HIGHS 68 TO 76 VALLEYS...61 TO 71 MOUNTAINS. SOUTH
WIND UP TO 10 MPH.
SATURDAY
MOSTLY CLOUDY. A CHANCE OF RAIN SHOWERS. LOWS 44 TO
51. HIGHS 65 TO 72 VALLEYS...57 TO 67 MOUNTAINS.
SUNDAY
PARTLY CLOUDY. A CHANCE OF RAIN SHOWERS. LOWS 41 TO 48.
HIGHS 67 TO 74 VALLEYS...59 TO 69 MOUNTAINS.
.8 TO 14 DAY OUTLOOK FOR JUN 01 - 07 2026
ABOVE NORMAL TEMPERATURES AND NEAR NORMAL PRECIPITATION.
IDZ101-251345-
NORTHERN AND CENTRAL IDAHO PANHANDLE (ZONE 101)-
INCLUDING THE CITIES OF ST. MARIES, RATHDRUM PRAIRIE,
SILVER VALLEY, BONNERS FERRY, AND PRIEST LAKE
250 PM PDT SUN MAY 24 2026
TONIGHT
* SKY/WEATHER.........MOSTLY CLEAR.
* CHANCE OF LIGHTNING...0 PERCENT.
* MIN TEMPERATURE.....45-53.
* 24 HR TREND........UNCHANGED.
* MAX HUMIDITY........50-65 PERCENT VALLEYS AND 40-55 PERCENT
MOUNTAINS.
* 24 HR TREND........5 PERCENT DRIER VALLEYS, AND 10 PERCENT DRIER
MOUNTAINS.
* HUMIDITY RECOVERY...POOR.
* 20-FOOT WINDS.......
* VALLEYS/LWR SLOPES...SOUTH 3 TO 13 MPH.
* RIDGES/UPR SLOPES....SOUTH 4 TO 13 MPH. GUSTS UP TO 30 MPH
IN THE EVENING.
* MIXING HEIGHT.......5000 FT AGL FALLING TO NEAR SURFACE.
* TRANSPORT WINDS.....SOUTH 5 TO 15 MPH.
* CWR (> 0.10 IN).....0 PERCENT.
* VENTILATION INDEX...VERY HIGH (890) IN THE EVENING DECREASING TO
LOW (50) OVERNIGHT.
MEMORIAL DAY
* SKY/WEATHER.........MOSTLY SUNNY. A CHANCE OF SHOWERS AND
THUNDERSTORMS WITH SMALL HAIL LATE IN THE AFTERNOON.
* CHANCE OF LIGHTNING...20 PERCENT.
* MAX TEMPERATURE.....76-85 VALLEYS AND 69-79 MOUNTAINS.
* 24 HR TREND........6 DEGREES WARMER.
* MIN HUMIDITY........25-35 PERCENT.
* 24 HR TREND........3 PERCENT DRIER.
* 20-FOOT WINDS.......
* VALLEYS/LWR SLOPES...SOUTH 3 TO 9 MPH. GUSTS UP TO 20 MPH IN THE
AFTERNOON.
* RIDGES/UPR SLOPES....SOUTHWEST 3 TO 10 MPH WITH GUSTS TO AROUND
25 MPH.
* MIXING HEIGHT.......7000 FT AGL.
* TRANSPORT WINDS.....SOUTH 10 TO 20 MPH.
* CWR (> 0.10 IN).....0 PERCENT.
* VENTILATION INDEX...HIGH (773) IN THE MORNING INCREASING TO VERY
HIGH (1702) IN THE AFTERNOON.
MONDAY NIGHT
* SKY/WEATHER.........MOSTLY CLOUDY. A CHANCE OF THUNDERSTORMS WITH
SMALL HAIL IN THE EVENING. A CHANCE OF RAIN SHOWERS THROUGH THE
NIGHT.
* CHANCE OF LIGHTNING...20 PERCENT.
* MIN TEMPERATURE.....43-51.
* MAX HUMIDITY........75-90 PERCENT.
* HUMIDITY RECOVERY...GOOD.
* 20-FOOT WINDS.......
* VALLEYS/LWR SLOPES...WEST 3 TO 13 MPH WITH GUSTS TO AROUND 25
MPH.
* RIDGES/UPR SLOPES....WEST 5 TO 16 MPH WITH GUSTS TO AROUND 30
MPH.
* MIXING HEIGHT.......3500 FT AGL FALLING TO NEAR SURFACE.
* TRANSPORT WINDS.....WEST 5 TO 15 MPH.
* CWR (> 0.10 IN).....20 PERCENT.
* VENTILATION INDEX...MODERATE (456) IN THE EVENING DECREASING TO
MODERATE (213) OVERNIGHT.
TUESDAY
* SKY/WEATHER.........MOSTLY CLOUDY. A CHANCE OF RAIN SHOWERS UNTIL
LATE AFTERNOON. A CHANCE OF RAIN SHOWERS LATE IN THE AFTERNOON.
* CHANCE OF LIGHTNING...0 PERCENT.
* MAX TEMPERATURE.....59-69 VALLEYS AND 51-61 MOUNTAINS.
* MIN HUMIDITY........50-65 PERCENT VALLEYS AND 61-80 PERCENT
MOUNTAINS.
* 20-FOOT WINDS.......
* VALLEYS/LWR SLOPES...WEST 3 TO 7 MPH.
* RIDGES/UPR SLOPES....WEST 3 TO 7 MPH.
* MIXING HEIGHT.......3500 FT AGL.
* TRANSPORT WINDS.....WEST 5 TO 10 MPH.
* CWR (> 0.10 IN).....0 PERCENT.
* VENTILATION INDEX...MODERATE (214) IN THE MORNING INCREASING TO
MODERATE (312) IN THE AFTERNOON.
FORECAST DAYS 3 THROUGH 7...
WEDNESDAY
MOSTLY CLOUDY WITH A CHANCE OF SHOWERS AND
THUNDERSTORMS. LOWS 42 TO 50. HIGHS 68 TO 78 VALLEYS...60 TO
70 MOUNTAINS. NORTHWEST WIND UP TO 5 MPH.
THURSDAY
PARTLY CLOUDY. A CHANCE OF SHOWERS AND THUNDERSTORMS.
LOWS 46 TO 54. HIGHS 75 TO 83 VALLEYS...67 TO 77 MOUNTAINS.
NORTHEAST WIND UP TO 5 MPH.
FRIDAY
MOSTLY CLOUDY. A CHANCE OF SHOWERS AND THUNDERSTORMS.
LOWS 49 TO 56. HIGHS 65 TO 75 VALLEYS...59 TO 69 MOUNTAINS.
SOUTHWEST WIND UP TO 10 MPH.
SATURDAY
MOSTLY CLOUDY. A CHANCE OF RAIN SHOWERS. LOWS 44 TO
51. HIGHS 62 TO 70 VALLEYS...55 TO 65 MOUNTAINS.
SUNDAY
PARTLY CLOUDY. A CHANCE OF RAIN SHOWERS. LOWS 41 TO 48.
HIGHS 66 TO 72 VALLEYS...58 TO 68 MOUNTAINS.
.8 TO 14 DAY OUTLOOK FOR JUN 01 - 07 2026
ABOVE NORMAL TEMPERATURES AND NEAR NORMAL PRECIPITATION.
WAZ705-706-251345-
FOOTHILLS OF CENTRAL WASHINGTON CASCADES (ZONE 705)-
WATERVILLE PLATEAU (ZONE 706)-
INCLUDING THE CITIES OF CHELAN, WENATCHEE, WATERVILLE,
AND GRAND COULEE
250 PM PDT SUN MAY 24 2026
TONIGHT
* SKY/WEATHER.........PARTLY CLOUDY.
* CHANCE OF LIGHTNING...0 PERCENT.
* MIN TEMPERATURE.....50-56.
* 24 HR TREND........2 DEGREES COOLER.
* MAX HUMIDITY........45-55 PERCENT.
* 24 HR TREND........10 PERCENT DRIER.
* HUMIDITY RECOVERY...POOR.
* 20-FOOT WINDS.......SOUTHWEST 4 TO 15 MPH. GUSTS UP TO 30 MPH IN
THE EVENING.
* MIXING HEIGHT.......7000 FT AGL FALLING TO NEAR SURFACE.
* TRANSPORT WINDS.....WEST 10 TO 20 MPH.
* CWR (> 0.10 IN).....0 PERCENT.
* VENTILATION INDEX...VERY HIGH (1159) IN THE EVENING DECREASING TO
LOW (42) OVERNIGHT.
MEMORIAL DAY
* SKY/WEATHER.........PARTLY SUNNY. A CHANCE OF RAIN SHOWERS LATE
IN THE AFTERNOON.
* CHANCE OF LIGHTNING...0 PERCENT.
* MAX TEMPERATURE.....71-81.
* 24 HR TREND........2 DEGREES COOLER.
* MIN HUMIDITY........19-28 PERCENT.
* 24 HR TREND........4 PERCENT DRIER.
* 20-FOOT WINDS.......SOUTH 7 TO 18 MPH. GUSTS UP TO 25 MPH IN THE
MORNING INCREASING TO 35 MPH IN THE AFTERNOON.
* MIXING HEIGHT.......8500 FT AGL.
* TRANSPORT WINDS.....SOUTH 15 TO 25 MPH.
* CWR (> 0.10 IN).....0 PERCENT.
* VENTILATION INDEX...VERY HIGH (866) IN THE MORNING INCREASING TO
VERY HIGH (1898) IN THE AFTERNOON.
MONDAY NIGHT
* SKY/WEATHER.........MOSTLY CLOUDY. A CHANCE OF RAIN SHOWERS
THROUGH THE NIGHT.
* CHANCE OF LIGHTNING...0 PERCENT.
* MIN TEMPERATURE.....44-51.
* MAX HUMIDITY........65-80 PERCENT.
* HUMIDITY RECOVERY...GOOD.
* 20-FOOT WINDS.......SOUTHWEST 6 TO 17 MPH. GUSTS UP TO 35 MPH IN
THE EVENING DECREASING TO 25 MPH OVERNIGHT.
* MIXING HEIGHT.......5500 FT AGL FALLING TO NEAR SURFACE.
* TRANSPORT WINDS.....SOUTHWEST 10 TO 20 MPH.
* CWR (> 0.10 IN).....10 PERCENT.
* VENTILATION INDEX...VERY HIGH (1223) IN THE EVENING DECREASING TO
MODERATE (248) OVERNIGHT.
TUESDAY
* SKY/WEATHER.........MOSTLY CLOUDY. A CHANCE OF RAIN SHOWERS IN
THE MORNING.
* CHANCE OF LIGHTNING...0 PERCENT.
* MAX TEMPERATURE.....62-71.
* MIN HUMIDITY........35-50 PERCENT.
* 20-FOOT WINDS.......WEST 3 TO 10 MPH.
* MIXING HEIGHT.......6000 FT AGL.
* TRANSPORT WINDS.....NORTHWEST 5 TO 10 MPH.
* CWR (> 0.10 IN).....0 PERCENT.
* VENTILATION INDEX...MODERATE (427) IN THE MORNING INCREASING TO
MODERATE (446) IN THE AFTERNOON.
FORECAST DAYS 3 THROUGH 7...
WEDNESDAY
WARMER. PARTLY CLOUDY. LOWS 45 TO 52. HIGHS 74 TO
83. NORTHWEST WIND 5 TO 10 MPH.
THURSDAY
PARTLY CLOUDY. A CHANCE OF SHOWERS AND THUNDERSTORMS.
LOWS 51 TO 57. HIGHS 79 TO 87. NORTHWEST WIND UP TO 10 MPH.
FRIDAY
BREEZY. MOSTLY CLOUDY. A CHANCE OF RAIN SHOWERS. LOWS
53 TO 59. HIGHS 71 TO 79. WEST WIND 15 TO 25 MPH.
SATURDAY
PARTLY CLOUDY. A CHANCE OF RAIN SHOWERS. LOWS 45 TO
51. HIGHS 67 TO 75.
SUNDAY
PARTLY CLOUDY. LOWS 43 TO 50. HIGHS 69 TO 78.
.8 TO 14 DAY OUTLOOK FOR JUN 01 - 07 2026
ABOVE NORMAL TEMPERATURES AND NEAR NORMAL PRECIPITATION.
WAZ707-708-251345-
WESTERN COLUMBIA BASIN (ZONE 707)-EASTERN COLUMBIA BASIN -
PALOUSE - SPOKANE AREA (ZONE 708)-
INCLUDING THE CITIES OF MOSES LAKE, EPHRATA, SPOKANE, PULLMAN,
RITZVILLE, WILBUR, AND CHENEY
250 PM PDT SUN MAY 24 2026
TONIGHT
* SKY/WEATHER.........MOSTLY CLEAR.
* CHANCE OF LIGHTNING...0 PERCENT.
* MIN TEMPERATURE.....49-54.
* 24 HR TREND........1 DEGREE WARMER.
* MAX HUMIDITY........45-55 PERCENT.
* 24 HR TREND........25 PERCENT DRIER.
* HUMIDITY RECOVERY...POOR.
* 20-FOOT WINDS.......SOUTH 3 TO 11 MPH.
* MIXING HEIGHT.......7000 FT AGL FALLING TO NEAR SURFACE.
* TRANSPORT WINDS.....SOUTH 5 TO 15 MPH.
* CWR (> 0.10 IN).....0 PERCENT.
* VENTILATION INDEX...VERY HIGH (1090) IN THE EVENING DECREASING TO
LOW (56) OVERNIGHT.
MEMORIAL DAY
* SKY/WEATHER.........MOSTLY SUNNY THEN PARTLY SUNNY. A CHANCE OF
RAIN SHOWERS LATE IN THE AFTERNOON.
* CHANCE OF LIGHTNING...0 PERCENT.
* MAX TEMPERATURE.....79-86.
* 24 HR TREND........1 DEGREE COOLER.
* MIN HUMIDITY........18-27 PERCENT.
* 24 HR TREND........3 PERCENT WETTER.
* 20-FOOT WINDS.......SOUTH 6 TO 17 MPH. GUSTS UP TO 25 MPH IN THE
MORNING INCREASING TO 35 MPH IN THE AFTERNOON.
* MIXING HEIGHT.......7500 FT AGL.
* TRANSPORT WINDS.....SOUTHWEST 10 TO 20 MPH.
* CWR (> 0.10 IN).....0 PERCENT.
* VENTILATION INDEX...VERY HIGH (828) IN THE MORNING INCREASING TO
VERY HIGH (1767) IN THE AFTERNOON.
MONDAY NIGHT
* SKY/WEATHER.........MOSTLY CLOUDY. A CHANCE OF THUNDERSTORMS WITH
SMALL HAIL EARLY IN THE EVENING. A CHANCE OF RAIN SHOWERS THROUGH
THE NIGHT.
* CHANCE OF LIGHTNING...20 PERCENT.
* MIN TEMPERATURE.....44-49.
* MAX HUMIDITY........70-80 PERCENT.
* HUMIDITY RECOVERY...GOOD.
* 20-FOOT WINDS.......SOUTHWEST 7 TO 18 MPH. GUSTS UP TO 40 MPH IN
THE EVENING DECREASING TO 30 MPH OVERNIGHT.
* MIXING HEIGHT.......5000 FT AGL FALLING TO NEAR SURFACE.
* TRANSPORT WINDS.....SOUTHWEST 15 TO 25 MPH.
* CWR (> 0.10 IN).....10 PERCENT.
* VENTILATION INDEX...VERY HIGH (1207) IN THE EVENING DECREASING TO
MODERATE (333) OVERNIGHT.
TUESDAY
* SKY/WEATHER.........MOSTLY CLOUDY. A CHANCE OF RAIN SHOWERS EARLY
IN THE MORNING.
* CHANCE OF LIGHTNING...0 PERCENT.
* MAX TEMPERATURE.....62-69.
* MIN HUMIDITY........40-55 PERCENT.
* 20-FOOT WINDS.......SOUTHWEST 4 TO 11 MPH.
* MIXING HEIGHT.......6500 FT AGL.
* TRANSPORT WINDS.....WEST 5 TO 15 MPH.
* CWR (> 0.10 IN).....0 PERCENT.
* VENTILATION INDEX...MODERATE (438) IN THE MORNING INCREASING TO
HIGH (556) IN THE AFTERNOON.
FORECAST DAYS 3 THROUGH 7...
WEDNESDAY
MOSTLY CLOUDY. A CHANCE OF RAIN SHOWERS. LOWS 43 TO
49. HIGHS 72 TO 80. WEST WIND UP TO 10 MPH.
THURSDAY
PARTLY CLOUDY. A CHANCE OF SHOWERS AND THUNDERSTORMS.
LOWS 47 TO 54. HIGHS 79 TO 85. NORTHWEST WIND UP TO 10 MPH.
FRIDAY
MOSTLY CLOUDY. A CHANCE OF RAIN SHOWERS. LOWS 50 TO 56.
HIGHS 71 TO 78. SOUTHWEST WIND 10 TO 20 MPH.
SATURDAY THROUGH SUNDAY
PARTLY CLOUDY. LOWS 43 TO 49. HIGHS
67 TO 77.
.8 TO 14 DAY OUTLOOK FOR JUN 01 - 07 2026
ABOVE NORMAL TEMPERATURES AND NEAR NORMAL PRECIPITATION.
WAZ709-251345-
LOWER PALOUSE - SNAKE RIVER (ZONE 709)-
INCLUDING THE CITY OF POMEROY
250 PM PDT SUN MAY 24 2026
TONIGHT
* SKY/WEATHER.........MOSTLY CLEAR.
* CHANCE OF LIGHTNING...0 PERCENT.
* MIN TEMPERATURE.....52-58.
* 24 HR TREND........1 DEGREE WARMER.
* MAX HUMIDITY........35-50 PERCENT.
* 24 HR TREND........20 PERCENT DRIER.
* HUMIDITY RECOVERY...POOR.
* 20-FOOT WINDS.......SOUTH 3 TO 11 MPH.
* MIXING HEIGHT.......4000 FT AGL FALLING TO NEAR SURFACE.
* TRANSPORT WINDS.....SOUTH 5 TO 15 MPH.
* CWR (> 0.10 IN).....0 PERCENT.
* VENTILATION INDEX...HIGH (639) IN THE EVENING DECREASING TO LOW
(61) OVERNIGHT.
MEMORIAL DAY
* SKY/WEATHER.........MOSTLY SUNNY THEN PARTLY SUNNY. A CHANCE OF
SHOWERS AND THUNDERSTORMS WITH SMALL HAIL LATE IN THE AFTERNOON.
* CHANCE OF LIGHTNING...20 PERCENT.
* MAX TEMPERATURE.....80-90.
* 24 HR TREND........5 DEGREES WARMER.
* MIN HUMIDITY........23-30 PERCENT.
* 24 HR TREND........UNCHANGED.
* 20-FOOT WINDS.......SOUTHEAST 3 TO 7 MPH IN THE MORNING SHIFTING
TO THE NORTHWEST 4 TO 10 MPH IN THE AFTERNOON.
* MIXING HEIGHT.......6000 FT AGL.
* TRANSPORT WINDS.....SOUTHWEST 10 TO 20 MPH.
* CWR (> 0.10 IN).....0 PERCENT.
* VENTILATION INDEX...MODERATE (267) IN THE MORNING INCREASING TO
HIGH (783) IN THE AFTERNOON.
MONDAY NIGHT
* SKY/WEATHER.........MOSTLY CLOUDY. A CHANCE OF SHOWERS AND
THUNDERSTORMS WITH SMALL HAIL IN THE EVENING, THEN RAIN SHOWERS
LIKELY OVERNIGHT.
* CHANCE OF LIGHTNING...20 PERCENT.
* MIN TEMPERATURE.....45-50.
* MAX HUMIDITY........70-80 PERCENT.
* HUMIDITY RECOVERY...GOOD.
* 20-FOOT WINDS.......BREEZY. WEST 13 TO 28 MPH WITH GUSTS TO
AROUND 50 MPH.
* MIXING HEIGHT.......3000 FT AGL FALLING TO NEAR SURFACE.
* TRANSPORT WINDS.....WEST 15 TO 30 MPH.
* CWR (> 0.10 IN).....10 PERCENT.
* VENTILATION INDEX...HIGH (728) IN THE EVENING DECREASING TO
MODERATE (314) OVERNIGHT.
TUESDAY
* SKY/WEATHER.........MOSTLY CLOUDY. A CHANCE OF RAIN SHOWERS IN
THE MORNING. A CHANCE OF RAIN SHOWERS LATE IN THE AFTERNOON.
* CHANCE OF LIGHTNING...0 PERCENT.
* MAX TEMPERATURE.....57-67.
* MIN HUMIDITY........45-60 PERCENT.
* 20-FOOT WINDS.......WEST 5 TO 14 MPH WITH GUSTS TO AROUND 25 MPH.
* MIXING HEIGHT.......3500 FT AGL.
* TRANSPORT WINDS.....WEST 5 TO 15 MPH.
* CWR (> 0.10 IN).....10 PERCENT.
* VENTILATION INDEX...MODERATE (374).
FORECAST DAYS 3 THROUGH 7...
WEDNESDAY
MOSTLY CLOUDY. A CHANCE OF RAIN SHOWERS. LOWS IN THE
MID TO UPPER 40S. HIGHS 65 TO 75. WEST WIND UP TO 10 MPH.
THURSDAY
PARTLY CLOUDY. A CHANCE OF SHOWERS AND THUNDERSTORMS.
LOWS NEAR 50. HIGHS 74 TO 84. SOUTHWEST WIND UP TO 10 MPH.
FRIDAY
MOSTLY CLOUDY. A CHANCE OF SHOWERS AND THUNDERSTORMS.
LOWS IN THE LOWER TO MID 50S. HIGHS 68 TO 77. SOUTHWEST WIND
10 TO 20 MPH.
SATURDAY THROUGH SUNDAY
PARTLY CLOUDY WITH A CHANCE OF RAIN
SHOWERS. LOWS 45 TO 50. HIGHS 66 TO 76.
.8 TO 14 DAY OUTLOOK FOR JUN 01 - 07 2026
ABOVE NORMAL TEMPERATURES AND NEAR NORMAL PRECIPITATION.
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