871
FNUS56 KOTX 241225
FWFOTX
FIRE WEATHER PLANNING FORECAST FOR EASTERN WASHINGTON AND NORTH IDAHO
NATIONAL WEATHER SERVICE SPOKANE WA
525 AM PDT SUN MAY 24 2026
DISCUSSION
...DRY AND BREEZY CASCADE GAPS INTO WESTERN COLUMBIA BASIN
SATURDAY AFTERNOON AND EVENING...
THIS WEEKEND WILL BE DRY AND BREEZY WITH ELEVATED FIRE WEATHER
CONDITIONS, ESPECIALLY EAST OF THE CASCADES INTO THE WESTERN
COLUMBIA BASIN. A STRONGER WEATHER SYSTEM ARRIVES MONDAY WITH
GUSTY WINDS DURING THE DAY WITH A TREND TOWARD COOLER AND WETTER
WEATHER. WARM AND MOIST WITH WIDELY SCATTERED SHOWERS AND
THUNDERSTORMS THURSDAY AND FRIDAY NEXT WEEK.
***************************************************************
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).
***************************************************************
WAZ696-698-250115-
EAST WASHINGTON CENTRAL CASCADES (ZONE 696)-
EAST WASHINGTON NORTH CASCADES (ZONE 698)-
INCLUDING THE CITIES OF STEVENS PASS, LAKE WENATCHEE AREA,
AND LEAVENWORTH
525 AM PDT SUN MAY 24 2026
TODAY
* SKY/WEATHER.........MOSTLY SUNNY.
* CHANCE OF LIGHTNING...0 PERCENT.
* MAX TEMPERATURE.....69-79 VALLEYS AND 56-66 MOUNTAINS.
* 24 HR TREND........2 DEGREES COOLER.
* MIN HUMIDITY........26-35 PERCENT VALLEYS AND 35-50 PERCENT
MOUNTAINS.
* 24 HR TREND........20 PERCENT WETTER.
* 20-FOOT WINDS.......
* VALLEYS/LWR SLOPES...WEST 3 TO 14 MPH WITH GUSTS TO AROUND 25
MPH.
* RIDGES/UPR SLOPES....WEST 3 TO 14 MPH.
* MIXING HEIGHT.......5500 FT AGL.
* TRANSPORT WINDS.....WEST 10 TO 15 MPH.
* CWR (> 0.10 IN).....0 PERCENT.
* VENTILATION INDEX...MODERATE (394) IN THE MORNING INCREASING TO
VERY HIGH (865) IN THE AFTERNOON.
TONIGHT
* SKY/WEATHER.........PARTLY CLOUDY.
* CHANCE OF LIGHTNING...0 PERCENT.
* MIN TEMPERATURE.....48-56 VALLEYS AND 41-51 MOUNTAINS.
* 24 HR TREND........5 DEGREES COOLER.
* MAX HUMIDITY........50-65 PERCENT.
* 24 HR TREND........5 PERCENT WETTER.
* HUMIDITY RECOVERY...FAIR.
* 20-FOOT WINDS.......
* VALLEYS/LWR SLOPES...WEST 3 TO 14 MPH. GUSTS UP TO 25 MPH IN THE
EVENING.
* RIDGES/UPR SLOPES....WEST 3 TO 14 MPH WITH GUSTS TO AROUND 25
MPH.
* 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 (690) IN THE EVENING DECREASING TO LOW
(91) OVERNIGHT.
MEMORIAL DAY
* SKY/WEATHER.........MOSTLY CLOUDY. A CHANCE OF RAIN SHOWERS IN
THE MORNING. A CHANCE OF RAIN SHOWERS IN THE AFTERNOON.
* CHANCE OF LIGHTNING...0 PERCENT.
* MAX TEMPERATURE.....64-74 VALLEYS AND 52-62 MOUNTAINS.
* MIN HUMIDITY........30-45 PERCENT VALLEYS AND 40-55 PERCENT
MOUNTAINS.
* 20-FOOT WINDS.......
* VALLEYS/LWR SLOPES...SOUTH 3 TO 6 MPH WITH GUSTS TO AROUND 20 MPH
IN THE MORNING SHIFTING TO THE SOUTHWEST 5 TO 16 MPH WITH
GUSTS TO AROUND 40 MPH IN THE AFTERNOON.
* RIDGES/UPR SLOPES....SOUTH 6 TO 17 MPH WITH GUSTS TO AROUND 40
MPH.
* MIXING HEIGHT.......7000 FT AGL.
* TRANSPORT WINDS.....SOUTH 10 TO 20 MPH.
* CWR (> 0.10 IN).....10 PERCENT.
* VENTILATION INDEX...VERY HIGH (1121) IN THE MORNING INCREASING TO
VERY HIGH (1790) IN THE AFTERNOON.
FORECAST DAYS 3 THROUGH 7...
TUESDAY
MOSTLY CLOUDY WITH RAIN AND HIGH MOUNTAIN SNOW SHOWERS
LIKELY. LOWS 41 TO 50 VALLEYS...34 TO 44 MOUNTAINS. HIGHS 57 TO
67 VALLEYS...45 TO 55 MOUNTAINS. NORTHWEST WIND 5 TO 15 MPH.
WEDNESDAY...WARMER. PARTLY CLOUDY. LOWS 42 TO 51 VALLEYS
35 TO
45 MOUNTAINS. HIGHS 70 TO 80 VALLEYS...57 TO 67 MOUNTAINS.
NORTHWEST WIND 5 TO 15 MPH.
THURSDAY
PARTLY CLOUDY. A CHANCE OF RAIN SHOWERS. LOWS 43 TO
53. HIGHS 75 TO 85 VALLEYS...64 TO 74 MOUNTAINS. WEST WIND UP TO
10 MPH.
FRIDAY
COOLER. MOSTLY CLOUDY. A CHANCE OF RAIN SHOWERS. LOWS
50 TO 59 VALLEYS...44 TO 54 MOUNTAINS. HIGHS 65 TO 75 VALLEYS...
56 TO 66 MOUNTAINS.
SATURDAY
PARTLY CLOUDY. A CHANCE OF RAIN SHOWERS. LOWS 39 TO
49. HIGHS 63 TO 73 VALLEYS...52 TO 62 MOUNTAINS.
.8 TO 14 DAY OUTLOOK FOR MAY 31 - JUN 06, 2026
ABOVE NORMAL TEMPERATURES AND NEAR NORMAL PRECIPITATION.
WAZ697-250115-
EAST PORTION OF NORTH CASCADES NATIONAL PARK/LAKE CHELAN NATIONAL
RECREATION AREA (ZONE 697)-
INCLUDING THE CITY OF STEHEKIN
525 AM PDT SUN MAY 24 2026
TODAY
* SKY/WEATHER.........MOSTLY SUNNY.
* CHANCE OF LIGHTNING...0 PERCENT.
* MAX TEMPERATURE.....66-76 VALLEYS AND 53-63 MOUNTAINS.
* 24 HR TREND........4 DEGREES WARMER.
* MIN HUMIDITY........40-55 PERCENT.
* 24 HR TREND........10 PERCENT WETTER VALLEYS, AND 5 PERCENT
WETTER MOUNTAINS.
* 20-FOOT WINDS.......
* VALLEYS/LWR SLOPES...WEST 4 TO 13 MPH WITH GUSTS TO AROUND 20
MPH.
* RIDGES/UPR SLOPES....WEST 4 TO 13 MPH WITH GUSTS TO AROUND 25
MPH.
* MIXING HEIGHT.......4000 FT AGL.
* TRANSPORT WINDS.....WEST 10 TO 15 MPH.
* CWR (> 0.10 IN).....0 PERCENT.
* VENTILATION INDEX...MODERATE (317) IN THE MORNING INCREASING TO
HIGH (542) IN THE AFTERNOON.
TONIGHT
* SKY/WEATHER.........PARTLY CLOUDY THEN BECOMING MOSTLY CLOUDY.
* CHANCE OF LIGHTNING...0 PERCENT.
* MIN TEMPERATURE.....48-57 VALLEYS AND 40-50 MOUNTAINS.
* 24 HR TREND........1 DEGREE WARMER VALLEYS, AND 6 DEGREES WARMER
MOUNTAINS.
* MAX HUMIDITY........55-70 PERCENT.
* 24 HR TREND........UNCHANGED VALLEYS, AND 15 PERCENT DRIER
MOUNTAINS.
* HUMIDITY RECOVERY...FAIR.
* 20-FOOT WINDS.......
* VALLEYS/LWR SLOPES...WEST 3 TO 12 MPH. GUSTS UP TO 20 MPH IN THE
EVENING.
* RIDGES/UPR SLOPES....WEST 3 TO 12 MPH. GUSTS UP TO 25 MPH IN THE
EVENING.
* 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 (360) IN THE EVENING DECREASING TO
LOW (48) OVERNIGHT.
MEMORIAL DAY
* SKY/WEATHER.........MOSTLY CLOUDY. A CHANCE OF RAIN SHOWERS EARLY
IN THE MORNING. RAIN SHOWERS LIKELY IN THE LATE MORNING AND
AFTERNOON. A CHANCE OF HIGH MOUNTAIN SNOW SHOWERS LATE IN THE
AFTERNOON.
* CHANCE OF LIGHTNING...0 PERCENT.
* MAX TEMPERATURE.....62-72 VALLEYS AND 49-59 MOUNTAINS.
* MIN HUMIDITY........45-60 PERCENT.
* 20-FOOT WINDS.......
* VALLEYS/LWR SLOPES...SOUTHWEST 3 TO 11 MPH WITH GUSTS TO AROUND
20 MPH.
* RIDGES/UPR SLOPES....SOUTHWEST 3 TO 12 MPH WITH GUSTS TO AROUND
25 MPH.
* MIXING HEIGHT.......5500 FT AGL.
* TRANSPORT WINDS.....SOUTH 10 TO 20 MPH.
* CWR (> 0.10 IN).....10 PERCENT.
* VENTILATION INDEX...VERY HIGH (864) IN THE MORNING INCREASING TO
HIGH (754) IN THE AFTERNOON.
FORECAST DAYS 3 THROUGH 7...
TUESDAY
MOSTLY CLOUDY. A CHANCE OF RAIN AND HIGH MOUNTAIN SNOW
SHOWERS. LOWS 42 TO 51 VALLEYS...33 TO 43 MOUNTAINS. HIGHS 55 TO
65 VALLEYS...43 TO 53 MOUNTAINS. NORTHWEST WIND 5 TO 10 MPH.
WEDNESDAY...WARMER. PARTLY CLOUDY. LOWS 43 TO 51 VALLEYS
34 TO
44 MOUNTAINS. HIGHS 70 TO 80 VALLEYS...57 TO 67 MOUNTAINS.
NORTHWEST WIND 5 TO 10 MPH.
THURSDAY
PARTLY CLOUDY. A CHANCE OF RAIN SHOWERS. LOWS 46 TO
56 VALLEYS...40 TO 50 MOUNTAINS. HIGHS 75 TO 85 VALLEYS...64 TO
74 MOUNTAINS. WEST WIND UP TO 10 MPH.
FRIDAY
COOLER. MOSTLY CLOUDY. A CHANCE OF RAIN SHOWERS. LOWS
48 TO 58 VALLEYS...43 TO 53 MOUNTAINS. HIGHS 64 TO 74 VALLEYS...
54 TO 64 MOUNTAINS.
SATURDAY...PARTLY CLOUDY. LOWS 42 TO 52 VALLEYS
37 TO
47 MOUNTAINS. HIGHS 61 TO 71 VALLEYS...50 TO 60 MOUNTAINS.
.8 TO 14 DAY OUTLOOK FOR MAY 31 - JUN 06, 2026
ABOVE NORMAL TEMPERATURES AND NEAR NORMAL PRECIPITATION.
WAZ704-250115-
METHOW VALLEY (ZONE 704)-
INCLUDING THE CITIES OF MAZAMA, WINTHROP, AND TWISP
525 AM PDT SUN MAY 24 2026
TODAY
* SKY/WEATHER.........MOSTLY SUNNY.
* CHANCE OF LIGHTNING...0 PERCENT.
* MAX TEMPERATURE.....72-82.
* 24 HR TREND........1 DEGREE COOLER.
* MIN HUMIDITY........20-28 PERCENT.
* 24 HR TREND........UNCHANGED.
* 20-FOOT WINDS.......NORTHWEST 3 TO 6 MPH IN THE MORNING SHIFTING
TO THE SOUTHWEST 3 TO 12 MPH WITH GUSTS TO AROUND 25 MPH IN THE
AFTERNOON.
* MIXING HEIGHT.......7500 FT AGL.
* TRANSPORT WINDS.....WEST 5 TO 15 MPH.
* CWR (> 0.10 IN).....0 PERCENT.
* VENTILATION INDEX...MODERATE (347) IN THE MORNING INCREASING TO
VERY HIGH (1032) IN THE AFTERNOON.
TONIGHT
* SKY/WEATHER.........PARTLY CLOUDY.
* CHANCE OF LIGHTNING...0 PERCENT.
* MIN TEMPERATURE.....47-57.
* 24 HR TREND........2 DEGREES WARMER.
* MAX HUMIDITY........50-65 PERCENT.
* 24 HR TREND........5 PERCENT WETTER.
* HUMIDITY RECOVERY...FAIR.
* 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...VERY HIGH (807) IN THE EVENING DECREASING TO
LOW (44) OVERNIGHT.
MEMORIAL DAY
* SKY/WEATHER.........MOSTLY CLOUDY. A CHANCE OF RAIN SHOWERS IN
THE LATE MORNING AND AFTERNOON.
* CHANCE OF LIGHTNING...0 PERCENT.
* MAX TEMPERATURE.....68-78.
* MIN HUMIDITY........26-35 PERCENT.
* 20-FOOT WINDS.......SOUTHEAST UP TO 5 MPH IN THE MORNING SHIFTING
TO THE SOUTH 6 TO 17 MPH WITH GUSTS TO AROUND 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 (841) IN THE MORNING INCREASING TO
VERY HIGH (1794) IN THE AFTERNOON.
FORECAST DAYS 3 THROUGH 7...
TUESDAY
MOSTLY CLOUDY WITH RAIN SHOWERS LIKELY. LOWS 41 TO 49.
HIGHS 60 TO 69. NORTHWEST WIND UP TO 5 MPH.
WEDNESDAY
WARMER. PARTLY CLOUDY. A CHANCE OF RAIN SHOWERS.
LOWS 41 TO 51. HIGHS 73 TO 82. NORTHWEST WIND UP TO 10 MPH.
THURSDAY
PARTLY CLOUDY. A CHANCE OF SHOWERS AND THUNDERSTORMS.
LOWS 48 TO 58. HIGHS 77 TO 86. WEST WIND UP TO 5 MPH.
FRIDAY
MOSTLY CLOUDY. A CHANCE OF RAIN SHOWERS. LOWS 51 TO 61.
HIGHS 71 TO 79.
SATURDAY
PARTLY CLOUDY. A CHANCE OF RAIN SHOWERS. LOWS 45 TO
54. HIGHS 67 TO 76.
.8 TO 14 DAY OUTLOOK FOR MAY 31 - JUN 06, 2026
ABOVE NORMAL TEMPERATURES AND NEAR NORMAL PRECIPITATION.
WAZ703-250115-
OKANOGAN VALLEY (ZONE 703)-
INCLUDING THE CITIES OF CONCONULLY AND OMAK
525 AM PDT SUN MAY 24 2026
TODAY
* SKY/WEATHER.........MOSTLY SUNNY.
* CHANCE OF LIGHTNING...0 PERCENT.
* MAX TEMPERATURE.....74-84.
* 24 HR TREND........7 DEGREES COOLER.
* MIN HUMIDITY........20-26 PERCENT.
* 24 HR TREND........3 PERCENT WETTER.
* 20-FOOT WINDS.......SOUTHWEST 5 TO 16 MPH. GUSTS UP TO 30 MPH IN
THE AFTERNOON.
* MIXING HEIGHT.......8000 FT AGL.
* TRANSPORT WINDS.....SOUTHWEST 10 TO 20 MPH.
* CWR (> 0.10 IN).....0 PERCENT.
* VENTILATION INDEX...HIGH (533) IN THE MORNING INCREASING TO VERY
HIGH (1187) IN THE AFTERNOON.
TONIGHT
* SKY/WEATHER.........PARTLY CLOUDY.
* CHANCE OF LIGHTNING...0 PERCENT.
* MIN TEMPERATURE.....52-58.
* 24 HR TREND........UNCHANGED.
* MAX HUMIDITY........45-55 PERCENT.
* 24 HR TREND........5 PERCENT DRIER.
* 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.......6500 FT AGL FALLING TO NEAR SURFACE.
* TRANSPORT WINDS.....SOUTHWEST 10 TO 20 MPH.
* CWR (> 0.10 IN).....0 PERCENT.
* VENTILATION INDEX...VERY HIGH (1068) IN THE EVENING DECREASING TO
LOW (41) OVERNIGHT.
MEMORIAL DAY
* SKY/WEATHER.........MOSTLY CLOUDY. A CHANCE OF RAIN SHOWERS IN
THE AFTERNOON.
* CHANCE OF LIGHTNING...0 PERCENT.
* MAX TEMPERATURE.....70-80.
* MIN HUMIDITY........22-30 PERCENT.
* 20-FOOT WINDS.......SOUTH 9 TO 20 MPH. GUSTS UP TO 30 MPH IN THE
MORNING INCREASING TO 40 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 (884) IN THE MORNING INCREASING TO
VERY HIGH (1975) IN THE AFTERNOON.
FORECAST DAYS 3 THROUGH 7...
TUESDAY
MOSTLY CLOUDY WITH RAIN SHOWERS LIKELY. LOWS 46 TO 51.
HIGHS 61 TO 70. NORTHWEST WIND UP TO 10 MPH.
WEDNESDAY
WARMER. PARTLY CLOUDY. A CHANCE OF RAIN SHOWERS.
LOWS 46 TO 51. HIGHS 73 TO 82. NORTH WIND 5 TO 15 MPH.
THURSDAY
PARTLY CLOUDY. A CHANCE OF SHOWERS AND THUNDERSTORMS.
LOWS 52 TO 57. HIGHS 78 TO 87. NORTHWEST WIND UP TO 5 MPH.
FRIDAY
MOSTLY CLOUDY. A CHANCE OF SHOWERS AND THUNDERSTORMS.
LOWS 55 TO 60. HIGHS 72 TO 81.
SATURDAY
PARTLY CLOUDY. A CHANCE OF RAIN SHOWERS. LOWS 50 TO
55. HIGHS 69 TO 78.
.8 TO 14 DAY OUTLOOK FOR MAY 31 - JUN 06, 2026
ABOVE NORMAL TEMPERATURES AND NEAR NORMAL PRECIPITATION.
WAZ702-250115-
COLVILLE RESERVATION (ZONE 702)-
INCLUDING THE CITIES OF NESPELEM AND KELLER
525 AM PDT SUN MAY 24 2026
TODAY
* SKY/WEATHER.........MOSTLY SUNNY.
* CHANCE OF LIGHTNING...0 PERCENT.
* MAX TEMPERATURE.....73-83 VALLEYS AND 65-74 MOUNTAINS.
* 24 HR TREND........3 DEGREES COOLER.
* MIN HUMIDITY........21-30 PERCENT.
* 24 HR TREND........2 PERCENT WETTER.
* 20-FOOT WINDS.......
* VALLEYS/LWR SLOPES...SOUTHWEST 3 TO 12 MPH WITH GUSTS TO AROUND
25 MPH.
* RIDGES/UPR SLOPES....SOUTHWEST 3 TO 13 MPH WITH GUSTS TO AROUND
25 MPH.
* MIXING HEIGHT.......7500 FT AGL.
* TRANSPORT WINDS.....SOUTHWEST 10 TO 20 MPH.
* CWR (> 0.10 IN).....0 PERCENT.
* VENTILATION INDEX...HIGH (675) IN THE MORNING INCREASING TO VERY
HIGH (1205) IN THE AFTERNOON.
TONIGHT
* SKY/WEATHER.........PARTLY CLOUDY.
* CHANCE OF LIGHTNING...0 PERCENT.
* MIN TEMPERATURE.....50-55.
* 24 HR TREND........UNCHANGED.
* MAX HUMIDITY........40-50 PERCENT.
* 24 HR TREND........5 PERCENT DRIER VALLEYS, AND UNCHANGED
MOUNTAINS.
* HUMIDITY RECOVERY...POOR.
* 20-FOOT WINDS.......
* VALLEYS/LWR SLOPES...SOUTH 3 TO 13 MPH. GUSTS UP TO 30 MPH IN THE
EVENING.
* RIDGES/UPR SLOPES....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.......7000 FT AGL FALLING TO NEAR SURFACE.
* TRANSPORT WINDS.....SOUTH 10 TO 20 MPH.
* CWR (> 0.10 IN).....0 PERCENT.
* VENTILATION INDEX...VERY HIGH (1111) IN THE EVENING DECREASING TO
LOW (41) OVERNIGHT.
MEMORIAL DAY
* SKY/WEATHER.........PARTLY SUNNY. RAIN SHOWERS LIKELY AND A
CHANCE OF THUNDERSTORMS LATE IN THE AFTERNOON.
* CHANCE OF LIGHTNING...20 PERCENT.
* MAX TEMPERATURE.....72-82 VALLEYS AND 64-73 MOUNTAINS.
* MIN HUMIDITY........20-28 PERCENT.
* 20-FOOT WINDS.......
* VALLEYS/LWR SLOPES...SOUTH 6 TO 17 MPH. GUSTS UP TO 25 MPH IN THE
MORNING INCREASING TO 35 MPH IN THE AFTERNOON.
* RIDGES/UPR SLOPES....SOUTH 6 TO 17 MPH. GUSTS UP TO 25 MPH IN THE
MORNING INCREASING TO 35 MPH IN THE AFTERNOON.
* MIXING HEIGHT.......8500 FT AGL.
* TRANSPORT WINDS.....SOUTH 10 TO 20 MPH.
* CWR (> 0.10 IN).....0 PERCENT.
* VENTILATION INDEX...HIGH (745) IN THE MORNING INCREASING TO VERY
HIGH (1771) IN THE AFTERNOON.
FORECAST DAYS 3 THROUGH 7...
TUESDAY
COOLER. MOSTLY CLOUDY WITH A CHANCE OF RAIN SHOWERS.
LOWS 44 TO 50. HIGHS 60 TO 70 VALLEYS...53 TO 61 MOUNTAINS.
SOUTHWEST WIND UP TO 10 MPH.
WEDNESDAY
WARMER. PARTLY CLOUDY. A CHANCE OF RAIN SHOWERS.
LOWS IN THE MID TO UPPER 40S. HIGHS 71 TO 81 VALLEYS...65 TO
75 MOUNTAINS. NORTH WIND 5 TO 15 MPH.
THURSDAY
PARTLY CLOUDY. A CHANCE OF SHOWERS AND THUNDERSTORMS.
LOWS IN THE LOWER TO MID 50S. HIGHS 75 TO 85 VALLEYS...70 TO
80 MOUNTAINS. NORTHWEST WIND UP TO 5 MPH.
FRIDAY
MOSTLY CLOUDY. A CHANCE OF SHOWERS AND THUNDERSTORMS.
LOWS IN THE MID TO UPPER 50S. HIGHS 70 TO 80 VALLEYS...64 TO
72 MOUNTAINS.
SATURDAY
PARTLY CLOUDY. A CHANCE OF RAIN SHOWERS. LOWS NEAR
50. HIGHS 66 TO 76 VALLEYS...61 TO 69 MOUNTAINS.
.8 TO 14 DAY OUTLOOK FOR MAY 31 - JUN 06, 2026
ABOVE NORMAL TEMPERATURES AND NEAR NORMAL PRECIPITATION.
WAZ699-250115-
OKANOGAN HIGHLANDS AND KETTLE MOUNTAINS (ZONE 699)-
INCLUDING THE CITIES OF REPUBLIC AND CURLEW
525 AM PDT SUN MAY 24 2026
TODAY
* SKY/WEATHER.........MOSTLY SUNNY.
* CHANCE OF LIGHTNING...0 PERCENT.
* MAX TEMPERATURE.....73-83 VALLEYS AND 65-74 MOUNTAINS.
* 24 HR TREND........2 DEGREES COOLER.
* MIN HUMIDITY........21-29 PERCENT.
* 24 HR TREND........3 PERCENT WETTER.
* 20-FOOT WINDS.......
* VALLEYS/LWR SLOPES...SOUTHWEST 3 TO 12 MPH. GUSTS UP TO 25 MPH IN
THE AFTERNOON.
* RIDGES/UPR SLOPES....SOUTHWEST 3 TO 12 MPH WITH GUSTS TO AROUND
25 MPH.
* MIXING HEIGHT.......8000 FT AGL.
* TRANSPORT WINDS.....SOUTHWEST 10 TO 20 MPH.
* CWR (> 0.10 IN).....0 PERCENT.
* VENTILATION INDEX...HIGH (669) IN THE MORNING INCREASING TO VERY
HIGH (1275) IN THE AFTERNOON.
TONIGHT
* SKY/WEATHER.........PARTLY CLOUDY.
* CHANCE OF LIGHTNING...0 PERCENT.
* MIN TEMPERATURE.....48-55.
* 24 HR TREND........2 DEGREES WARMER.
* 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 12 MPH. GUSTS UP TO 25 MPH IN THE
EVENING.
* RIDGES/UPR SLOPES....SOUTH 3 TO 12 MPH. GUSTS UP TO 30 MPH IN THE
EVENING.
* MIXING HEIGHT.......6500 FT AGL FALLING TO NEAR SURFACE.
* TRANSPORT WINDS.....SOUTH 10 TO 20 MPH.
* CWR (> 0.10 IN).....0 PERCENT.
* VENTILATION INDEX...VERY HIGH (1148) IN THE EVENING DECREASING TO
LOW (54) OVERNIGHT.
MEMORIAL DAY
* SKY/WEATHER.........PARTLY SUNNY. A CHANCE OF RAIN SHOWERS IN THE
AFTERNOON.
* CHANCE OF LIGHTNING...0 PERCENT.
* MAX TEMPERATURE.....72-82 VALLEYS AND 63-73 MOUNTAINS.
* MIN HUMIDITY........19-29 PERCENT.
* 20-FOOT WINDS.......
* VALLEYS/LWR SLOPES...SOUTH 5 TO 16 MPH. GUSTS UP TO 20 MPH IN THE
MORNING INCREASING TO 30 MPH IN THE AFTERNOON.
* RIDGES/UPR SLOPES....SOUTH 5 TO 16 MPH. GUSTS UP TO 25 MPH IN THE
MORNING INCREASING 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 (924) IN THE MORNING INCREASING TO
VERY HIGH (2048) IN THE AFTERNOON.
FORECAST DAYS 3 THROUGH 7...
TUESDAY
COOLER. MOSTLY CLOUDY WITH RAIN SHOWERS LIKELY. LOWS
42 TO 50. HIGHS 61 TO 71 VALLEYS...53 TO 61 MOUNTAINS. WEST WIND
UP TO 10 MPH.
WEDNESDAY
WARMER. PARTLY CLOUDY. A CHANCE OF RAIN SHOWERS.
LOWS 41 TO 48. HIGHS 72 TO 82 VALLEYS...64 TO 73 MOUNTAINS. NORTH
WIND UP TO 10 MPH.
THURSDAY
PARTLY CLOUDY. A CHANCE OF SHOWERS AND THUNDERSTORMS.
LOWS 48 TO 54. HIGHS 77 TO 87 VALLEYS...70 TO 79 MOUNTAINS. NORTH
WIND UP TO 5 MPH.
FRIDAY
MOSTLY CLOUDY. A CHANCE OF SHOWERS AND THUNDERSTORMS.
LOWS 51 TO 57. HIGHS 70 TO 79 VALLEYS...63 TO 72 MOUNTAINS.
SATURDAY
MOSTLY CLOUDY. A CHANCE OF SHOWERS AND THUNDERSTORMS.
LOWS 47 TO 53. HIGHS 67 TO 76 VALLEYS...60 TO 69 MOUNTAINS.
.8 TO 14 DAY OUTLOOK FOR MAY 31 - JUN 06, 2026
ABOVE NORMAL TEMPERATURES AND NEAR NORMAL PRECIPITATION.
WAZ700-701-250115-
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
525 AM PDT SUN MAY 24 2026
TODAY
* SKY/WEATHER.........MOSTLY SUNNY.
* CHANCE OF LIGHTNING...0 PERCENT.
* MAX TEMPERATURE.....73-81 VALLEYS AND 64-74 MOUNTAINS.
* 24 HR TREND........UNCHANGED.
* MIN HUMIDITY........22-30 PERCENT VALLEYS AND 27-40 PERCENT
MOUNTAINS.
* 24 HR TREND........1 PERCENT WETTER.
* 20-FOOT WINDS.......
* VALLEYS/LWR SLOPES...SOUTHWEST 3 TO 13 MPH WITH GUSTS TO AROUND
25 MPH.
* RIDGES/UPR SLOPES....SOUTHWEST 5 TO 16 MPH.
* MIXING HEIGHT.......7000 FT AGL.
* TRANSPORT WINDS.....SOUTHWEST 10 TO 20 MPH.
* CWR (> 0.10 IN).....0 PERCENT.
* VENTILATION INDEX...HIGH (723) IN THE MORNING INCREASING TO VERY
HIGH (1141) IN THE AFTERNOON.
TONIGHT
* SKY/WEATHER.........PARTLY CLOUDY.
* CHANCE OF LIGHTNING...0 PERCENT.
* MIN TEMPERATURE.....46-54.
* 24 HR TREND........2 DEGREES COOLER.
* MAX HUMIDITY........45-60 PERCENT.
* 24 HR TREND........5 PERCENT DRIER VALLEYS, AND UNCHANGED
MOUNTAINS.
* HUMIDITY RECOVERY...POOR.
* 20-FOOT WINDS.......
* VALLEYS/LWR SLOPES...SOUTH 3 TO 14 MPH. GUSTS UP TO 25 MPH IN THE
EVENING.
* RIDGES/UPR SLOPES....SOUTH 3 TO 14 MPH. GUSTS UP TO 30 MPH IN THE
EVENING.
* MIXING HEIGHT.......6500 FT AGL FALLING TO NEAR SURFACE.
* TRANSPORT WINDS.....SOUTH 5 TO 15 MPH.
* CWR (> 0.10 IN).....0 PERCENT.
* VENTILATION INDEX...VERY HIGH (968) IN THE EVENING DECREASING TO
LOW (43) OVERNIGHT.
MEMORIAL DAY
* SKY/WEATHER.........MOSTLY SUNNY. RAIN SHOWERS LIKELY AND A
CHANCE OF THUNDERSTORMS LATE IN THE AFTERNOON.
* CHANCE OF LIGHTNING...20 PERCENT.
* MAX TEMPERATURE.....75-83 VALLEYS AND 65-75 MOUNTAINS.
* MIN HUMIDITY........21-30 PERCENT.
* 20-FOOT WINDS.......
* VALLEYS/LWR SLOPES...SOUTH 3 TO 11 MPH. GUSTS UP TO 25 MPH IN THE
AFTERNOON.
* RIDGES/UPR SLOPES....SOUTH 3 TO 13 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...HIGH (737) IN THE MORNING INCREASING TO VERY
HIGH (1495) IN THE AFTERNOON.
FORECAST DAYS 3 THROUGH 7...
TUESDAY
COOLER. MOSTLY CLOUDY WITH A CHANCE OF RAIN SHOWERS.
LOWS 43 TO 50. HIGHS 61 TO 69 VALLEYS...52 TO 62 MOUNTAINS.
SOUTHWEST WIND UP TO 10 MPH.
WEDNESDAY
MOSTLY CLOUDY. A CHANCE OF RAIN SHOWERS. LOWS 41 TO
48. HIGHS 71 TO 79 VALLEYS...63 TO 73 MOUNTAINS. NORTH WIND UP TO
5 MPH.
THURSDAY
PARTLY CLOUDY. A CHANCE OF SHOWERS AND THUNDERSTORMS.
LOWS 46 TO 54. HIGHS 77 TO 85 VALLEYS...69 TO 79 MOUNTAINS.
NORTHEAST WIND UP TO 5 MPH.
FRIDAY
MOSTLY CLOUDY. A CHANCE OF SHOWERS AND THUNDERSTORMS.
LOWS 49 TO 57. HIGHS 69 TO 77 VALLEYS...62 TO 72 MOUNTAINS.
SATURDAY
PARTLY CLOUDY. A CHANCE OF RAIN SHOWERS. LOWS 45 TO
52. HIGHS 67 TO 74 VALLEYS...58 TO 68 MOUNTAINS.
.8 TO 14 DAY OUTLOOK FOR MAY 31 - JUN 06, 2026
ABOVE NORMAL TEMPERATURES AND NEAR NORMAL PRECIPITATION.
IDZ101-250115-
NORTHERN AND CENTRAL IDAHO PANHANDLE (ZONE 101)-
INCLUDING THE CITIES OF ST. MARIES, RATHDRUM PRAIRIE,
SILVER VALLEY, BONNERS FERRY, AND PRIEST LAKE
525 AM PDT SUN MAY 24 2026
TODAY
* SKY/WEATHER.........MOSTLY SUNNY.
* CHANCE OF LIGHTNING...0 PERCENT.
* MAX TEMPERATURE.....71-77 VALLEYS AND 62-72 MOUNTAINS.
* 24 HR TREND........3 DEGREES COOLER.
* MIN HUMIDITY........27-35 PERCENT VALLEYS AND 30-45 PERCENT
MOUNTAINS.
* 24 HR TREND........1 PERCENT WETTER.
* 20-FOOT WINDS.......
* VALLEYS/LWR SLOPES...SOUTHWEST 3 TO 13 MPH WITH GUSTS TO AROUND
25 MPH.
* RIDGES/UPR SLOPES....SOUTHWEST 5 TO 16 MPH WITH GUSTS TO AROUND
30 MPH.
* MIXING HEIGHT.......6000 FT AGL.
* TRANSPORT WINDS.....SOUTHWEST 10 TO 20 MPH.
* CWR (> 0.10 IN).....0 PERCENT.
* VENTILATION INDEX...HIGH (696) IN THE MORNING INCREASING TO VERY
HIGH (1125) IN THE AFTERNOON.
TONIGHT
* SKY/WEATHER.........PARTLY CLOUDY.
* CHANCE OF LIGHTNING...0 PERCENT.
* MIN TEMPERATURE.....45-53.
* 24 HR TREND........UNCHANGED.
* MAX HUMIDITY........50-65 PERCENT.
* 24 HR TREND........UNCHANGED VALLEYS, AND 5 PERCENT DRIER
MOUNTAINS.
* HUMIDITY RECOVERY...FAIR.
* 20-FOOT WINDS.......
* VALLEYS/LWR SLOPES...SOUTH 3 TO 13 MPH. GUSTS UP TO 25 MPH IN THE
EVENING.
* RIDGES/UPR SLOPES....SOUTH 3 TO 13 MPH. GUSTS UP TO 30 MPH IN THE
EVENING.
* MIXING HEIGHT.......4500 FT AGL FALLING TO NEAR SURFACE.
* TRANSPORT WINDS.....SOUTH 5 TO 15 MPH.
* CWR (> 0.10 IN).....0 PERCENT.
* VENTILATION INDEX...HIGH (790) IN THE EVENING DECREASING TO LOW
(49) OVERNIGHT.
MEMORIAL DAY
* SKY/WEATHER.........MOSTLY SUNNY. A CHANCE OF RAIN SHOWERS EARLY
IN THE AFTERNOON. A CHANCE OF SHOWERS AND THUNDERSTORMS LATE IN
THE AFTERNOON.
* CHANCE OF LIGHTNING...20 PERCENT.
* MAX TEMPERATURE.....76-85 VALLEYS AND 69-79 MOUNTAINS.
* MIN HUMIDITY........24-30 PERCENT VALLEYS AND 25-40 PERCENT
MOUNTAINS.
* 20-FOOT WINDS.......
* VALLEYS/LWR SLOPES...SOUTH 3 TO 9 MPH. GUSTS UP TO 20 MPH IN THE
AFTERNOON.
* RIDGES/UPR SLOPES....SOUTH 3 TO 11 MPH WITH GUSTS TO AROUND 25
MPH.
* MIXING HEIGHT.......8000 FT AGL.
* TRANSPORT WINDS.....SOUTH 10 TO 20 MPH.
* CWR (> 0.10 IN).....0 PERCENT.
* VENTILATION INDEX...VERY HIGH (918) IN THE MORNING INCREASING TO
VERY HIGH (1906) IN THE AFTERNOON.
FORECAST DAYS 3 THROUGH 7...
TUESDAY
COOLER. MOSTLY CLOUDY. A CHANCE OF RAIN SHOWERS. LOWS
43 TO 51. HIGHS 59 TO 69 VALLEYS...50 TO 60 MOUNTAINS. WEST WIND
UP TO 10 MPH.
WEDNESDAY
MOSTLY CLOUDY WITH A CHANCE OF RAIN SHOWERS. LOWS
41 TO 49. HIGHS 66 TO 76 VALLEYS...58 TO 68 MOUNTAINS. NORTHWEST
WIND UP TO 5 MPH.
THURSDAY
PARTLY CLOUDY. A CHANCE OF SHOWERS AND THUNDERSTORMS.
LOWS 46 TO 53. HIGHS 75 TO 82 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 67 TO 76 VALLEYS...60 TO 70 MOUNTAINS.
SATURDAY
MOSTLY CLOUDY. A CHANCE OF RAIN SHOWERS. LOWS 46 TO
52. HIGHS 64 TO 72 VALLEYS...56 TO 66 MOUNTAINS.
.8 TO 14 DAY OUTLOOK FOR MAY 31 - JUN 06, 2026
ABOVE NORMAL TEMPERATURES AND NEAR NORMAL PRECIPITATION.
WAZ705-706-250115-
FOOTHILLS OF CENTRAL WASHINGTON CASCADES (ZONE 705)-
WATERVILLE PLATEAU (ZONE 706)-
INCLUDING THE CITIES OF CHELAN, WENATCHEE, WATERVILLE,
AND GRAND COULEE
525 AM PDT SUN MAY 24 2026
TODAY
* SKY/WEATHER.........MOSTLY SUNNY.
* CHANCE OF LIGHTNING...0 PERCENT.
* MAX TEMPERATURE.....74-84.
* 24 HR TREND........2 DEGREES COOLER.
* MIN HUMIDITY........20-28 PERCENT.
* 24 HR TREND........2 PERCENT WETTER.
* 20-FOOT WINDS.......SOUTHWEST 4 TO 15 MPH. GUSTS UP TO 30 MPH IN
THE AFTERNOON.
* MIXING HEIGHT.......7500 FT AGL.
* TRANSPORT WINDS.....WEST 10 TO 20 MPH.
* CWR (> 0.10 IN).....0 PERCENT.
* VENTILATION INDEX...HIGH (580) IN THE MORNING INCREASING TO VERY
HIGH (1202) IN THE AFTERNOON.
TONIGHT
* SKY/WEATHER.........PARTLY CLOUDY.
* CHANCE OF LIGHTNING...0 PERCENT.
* MIN TEMPERATURE.....50-57.
* 24 HR TREND........2 DEGREES WARMER.
* MAX HUMIDITY........45-55 PERCENT.
* 24 HR TREND........5 PERCENT DRIER.
* HUMIDITY RECOVERY...POOR.
* 20-FOOT WINDS.......WEST 4 TO 15 MPH. GUSTS UP TO 30 MPH IN THE
EVENING.
* MIXING HEIGHT.......6500 FT AGL FALLING TO NEAR SURFACE.
* TRANSPORT WINDS.....WEST 10 TO 20 MPH.
* CWR (> 0.10 IN).....0 PERCENT.
* VENTILATION INDEX...VERY HIGH (1110) IN THE EVENING DECREASING TO
LOW (43) 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.
* MIN HUMIDITY........21-30 PERCENT.
* 20-FOOT WINDS.......SOUTH 3 TO 10 MPH WITH GUSTS TO AROUND 25 MPH
IN THE MORNING SHIFTING TO THE SOUTHWEST 9 TO 20 MPH WITH GUSTS
TO AROUND 40 MPH IN THE AFTERNOON.
* MIXING HEIGHT.......9000 FT AGL.
* TRANSPORT WINDS.....SOUTH 10 TO 20 MPH.
* CWR (> 0.10 IN).....0 PERCENT.
* VENTILATION INDEX...HIGH (690) IN THE MORNING INCREASING TO VERY
HIGH (1984) IN THE AFTERNOON.
FORECAST DAYS 3 THROUGH 7...
TUESDAY
MOSTLY CLOUDY. A CHANCE OF RAIN SHOWERS. LOWS 43 TO
51. HIGHS 62 TO 71. NORTHWEST WIND 5 TO 10 MPH.
WEDNESDAY
WARMER. PARTLY CLOUDY. A CHANCE OF RAIN SHOWERS.
LOWS 44 TO 51. HIGHS 73 TO 83. NORTHWEST WIND 5 TO 15 MPH.
THURSDAY
PARTLY CLOUDY. A CHANCE OF SHOWERS AND THUNDERSTORMS.
LOWS 50 TO 57. HIGHS 78 TO 88. NORTHWEST WIND UP TO 5 MPH.
FRIDAY
MOSTLY CLOUDY. A CHANCE OF RAIN SHOWERS. LOWS 53 TO 59.
HIGHS 72 TO 80.
SATURDAY
PARTLY CLOUDY. A CHANCE OF RAIN SHOWERS. LOWS 46 TO
53. HIGHS 69 TO 77.
.8 TO 14 DAY OUTLOOK FOR MAY 31 - JUN 06, 2026
ABOVE NORMAL TEMPERATURES AND NEAR NORMAL PRECIPITATION.
WAZ707-250115-
WESTERN COLUMBIA BASIN (ZONE 707)-
INCLUDING THE CITIES OF MOSES LAKE AND EPHRATA
525 AM PDT SUN MAY 24 2026
TODAY
* SKY/WEATHER.........MOSTLY SUNNY.
* CHANCE OF LIGHTNING...0 PERCENT.
* MAX TEMPERATURE.....80-86.
* 24 HR TREND........2 DEGREES COOLER.
* MIN HUMIDITY........17-24 PERCENT.
* 24 HR TREND........3 PERCENT WETTER.
* 20-FOOT WINDS.......SOUTHWEST 4 TO 12 MPH WITH GUSTS TO AROUND 25
MPH.
* MIXING HEIGHT.......7500 FT AGL.
* TRANSPORT WINDS.....SOUTHWEST 5 TO 15 MPH.
* CWR (> 0.10 IN).....0 PERCENT.
* VENTILATION INDEX...HIGH (596) IN THE MORNING INCREASING TO VERY
HIGH (1040) IN THE AFTERNOON.
TONIGHT
* SKY/WEATHER.........PARTLY CLOUDY.
* CHANCE OF LIGHTNING...0 PERCENT.
* MIN TEMPERATURE.....50-56.
* 24 HR TREND........2 DEGREES WARMER.
* MAX HUMIDITY........45-60 PERCENT.
* 24 HR TREND........15 PERCENT DRIER.
* HUMIDITY RECOVERY...POOR.
* 20-FOOT WINDS.......SOUTHWEST 3 TO 11 MPH.
* MIXING HEIGHT.......7000 FT AGL FALLING TO NEAR SURFACE.
* TRANSPORT WINDS.....SOUTHWEST 5 TO 15 MPH.
* CWR (> 0.10 IN).....0 PERCENT.
* VENTILATION INDEX...VERY HIGH (946) IN THE EVENING DECREASING TO
LOW (50) OVERNIGHT.
MEMORIAL DAY
* SKY/WEATHER.........PARTLY SUNNY. A CHANCE OF RAIN SHOWERS LATE
IN THE AFTERNOON.
* CHANCE OF LIGHTNING...0 PERCENT.
* MAX TEMPERATURE.....78-83.
* MIN HUMIDITY........18-24 PERCENT.
* 20-FOOT WINDS.......SOUTH 3 TO 10 MPH WITH GUSTS TO AROUND 25 MPH
IN THE MORNING SHIFTING TO THE SOUTHWEST 9 TO 20 MPH WITH GUSTS
TO AROUND 40 MPH IN THE AFTERNOON.
* MIXING HEIGHT.......9000 FT AGL.
* TRANSPORT WINDS.....SOUTHWEST 10 TO 20 MPH.
* CWR (> 0.10 IN).....0 PERCENT.
* VENTILATION INDEX...HIGH (745) IN THE MORNING INCREASING TO VERY
HIGH (2013) IN THE AFTERNOON.
FORECAST DAYS 3 THROUGH 7...
TUESDAY
COOLER. MOSTLY CLOUDY. LOWS IN THE MID TO UPPER 40S.
HIGHS 65 TO 71. WEST WIND 5 TO 15 MPH.
WEDNESDAY
PARTLY CLOUDY. A CHANCE OF RAIN SHOWERS. LOWS 43 TO
49. HIGHS 74 TO 80. NORTHWEST WIND 5 TO 15 MPH.
THURSDAY
PARTLY CLOUDY. A CHANCE OF SHOWERS AND THUNDERSTORMS.
LOWS 47 TO 55. HIGHS 81 TO 86. NORTHWEST WIND UP TO 5 MPH.
FRIDAY
MOSTLY CLOUDY. A CHANCE OF RAIN SHOWERS. LOWS 51 TO 58.
HIGHS 76 TO 81.
SATURDAY
PARTLY CLOUDY. A CHANCE OF RAIN SHOWERS. LOWS IN THE
MID 40S TO LOWER 50S. HIGHS 72 TO 77.
.8 TO 14 DAY OUTLOOK FOR MAY 31 - JUN 06, 2026
ABOVE NORMAL TEMPERATURES AND NEAR NORMAL PRECIPITATION.
WAZ708-250115-
EASTERN COLUMBIA BASIN - PALOUSE - SPOKANE AREA (ZONE 708)-
INCLUDING THE CITIES OF SPOKANE, PULLMAN, RITZVILLE, WILBUR,
AND CHENEY
525 AM PDT SUN MAY 24 2026
TODAY
* SKY/WEATHER.........MOSTLY SUNNY.
* CHANCE OF LIGHTNING...0 PERCENT.
* MAX TEMPERATURE.....76-84.
* 24 HR TREND........1 DEGREE WARMER.
* MIN HUMIDITY........19-28 PERCENT.
* 24 HR TREND........6 PERCENT WETTER.
* 20-FOOT WINDS.......SOUTHWEST 6 TO 13 MPH WITH GUSTS TO AROUND 25
MPH.
* MIXING HEIGHT.......6500 FT AGL.
* TRANSPORT WINDS.....SOUTHWEST 10 TO 20 MPH.
* CWR (> 0.10 IN).....0 PERCENT.
* VENTILATION INDEX...HIGH (730) IN THE MORNING INCREASING TO VERY
HIGH (1066) IN THE AFTERNOON.
TONIGHT
* SKY/WEATHER.........PARTLY CLOUDY.
* CHANCE OF LIGHTNING...0 PERCENT.
* MIN TEMPERATURE.....49-54.
* 24 HR TREND........UNCHANGED.
* MAX HUMIDITY........45-55 PERCENT.
* 24 HR TREND........15 PERCENT DRIER.
* HUMIDITY RECOVERY...POOR.
* 20-FOOT WINDS.......SOUTH 4 TO 12 MPH. GUSTS UP TO 25 MPH IN THE
EVENING.
* MIXING HEIGHT.......6000 FT AGL FALLING TO NEAR SURFACE.
* TRANSPORT WINDS.....SOUTH 10 TO 15 MPH.
* CWR (> 0.10 IN).....0 PERCENT.
* VENTILATION INDEX...VERY HIGH (923) IN THE EVENING DECREASING TO
LOW (60) OVERNIGHT.
MEMORIAL DAY
* SKY/WEATHER.........MOSTLY SUNNY. A CHANCE OF SHOWERS AND
THUNDERSTORMS LATE IN THE AFTERNOON.
* CHANCE OF LIGHTNING...20 PERCENT.
* MAX TEMPERATURE.....79-87.
* MIN HUMIDITY........22-28 PERCENT.
* 20-FOOT WINDS.......SOUTH 4 TO 15 MPH. GUSTS UP TO 30 MPH IN THE
AFTERNOON.
* MIXING HEIGHT.......7500 FT AGL.
* TRANSPORT WINDS.....SOUTHWEST 10 TO 20 MPH.
* CWR (> 0.10 IN).....0 PERCENT.
* VENTILATION INDEX...HIGH (677) IN THE MORNING INCREASING TO VERY
HIGH (1417) IN THE AFTERNOON.
FORECAST DAYS 3 THROUGH 7...
TUESDAY
COOLER. MOSTLY CLOUDY. A CHANCE OF RAIN SHOWERS. LOWS
44 TO 49. HIGHS 61 TO 67. SOUTHWEST WIND 5 TO 15 MPH.
WEDNESDAY
MOSTLY CLOUDY. A CHANCE OF RAIN SHOWERS. LOWS 42 TO
47. HIGHS 69 TO 77. WEST WIND UP TO 5 MPH.
THURSDAY
PARTLY CLOUDY. A CHANCE OF SHOWERS AND THUNDERSTORMS.
LOWS 46 TO 52. HIGHS 78 TO 83. NORTH WIND UP TO 5 MPH.
FRIDAY
MOSTLY CLOUDY. A CHANCE OF SHOWERS AND THUNDERSTORMS.
LOWS 50 TO 55. HIGHS 71 TO 78.
SATURDAY
PARTLY CLOUDY. A CHANCE OF RAIN SHOWERS. LOWS IN THE
MID 40S TO LOWER 50S. HIGHS 67 TO 75.
.8 TO 14 DAY OUTLOOK FOR MAY 31 - JUN 06, 2026
ABOVE NORMAL TEMPERATURES AND NEAR NORMAL PRECIPITATION.
WAZ709-250115-
LOWER PALOUSE - SNAKE RIVER (ZONE 709)-
INCLUDING THE CITY OF POMEROY
525 AM PDT SUN MAY 24 2026
TODAY
* SKY/WEATHER.........SUNNY.
* CHANCE OF LIGHTNING...0 PERCENT.
* MAX TEMPERATURE.....76-86.
* 24 HR TREND........UNCHANGED.
* MIN HUMIDITY........18-26 PERCENT.
* 24 HR TREND........3 PERCENT WETTER.
* 20-FOOT WINDS.......SOUTHWEST 5 TO 16 MPH WITH GUSTS TO AROUND 30
MPH.
* MIXING HEIGHT.......5500 FT AGL.
* TRANSPORT WINDS.....SOUTHWEST 10 TO 20 MPH.
* CWR (> 0.10 IN).....0 PERCENT.
* VENTILATION INDEX...HIGH (516) IN THE MORNING INCREASING TO VERY
HIGH (806) IN THE AFTERNOON.
TONIGHT
* SKY/WEATHER.........PARTLY CLOUDY.
* CHANCE OF LIGHTNING...0 PERCENT.
* MIN TEMPERATURE.....52-58.
* 24 HR TREND........UNCHANGED.
* MAX HUMIDITY........35-50 PERCENT.
* 24 HR TREND........15 PERCENT DRIER.
* HUMIDITY RECOVERY...POOR.
* 20-FOOT WINDS.......SOUTH 3 TO 12 MPH.
* MIXING HEIGHT.......3500 FT AGL FALLING TO NEAR SURFACE.
* TRANSPORT WINDS.....SOUTHWEST 5 TO 15 MPH.
* CWR (> 0.10 IN).....0 PERCENT.
* VENTILATION INDEX...MODERATE (491) IN THE EVENING DECREASING TO
LOW (64) OVERNIGHT.
MEMORIAL DAY
* SKY/WEATHER.........MOSTLY SUNNY. A CHANCE OF RAIN SHOWERS EARLY
IN THE AFTERNOON. A CHANCE OF SHOWERS AND THUNDERSTORMS LATE IN
THE AFTERNOON.
* CHANCE OF LIGHTNING...20 PERCENT.
* MAX TEMPERATURE.....80-90.
* MIN HUMIDITY........22-30 PERCENT.
* 20-FOOT WINDS.......SOUTHEAST 3 TO 7 MPH IN THE MORNING SHIFTING
TO THE NORTHWEST 4 TO 9 MPH WITH GUSTS TO AROUND 20 MPH IN THE
AFTERNOON.
* MIXING HEIGHT.......6500 FT AGL.
* TRANSPORT WINDS.....SOUTHWEST 10 TO 20 MPH.
* CWR (> 0.10 IN).....0 PERCENT.
* VENTILATION INDEX...MODERATE (265) IN THE MORNING INCREASING TO
VERY HIGH (848) IN THE AFTERNOON.
FORECAST DAYS 3 THROUGH 7...
TUESDAY
MUCH COOLER. MOSTLY CLOUDY. A CHANCE OF RAIN SHOWERS.
LOWS 45 TO 50. HIGHS 57 TO 67. WEST WIND 5 TO 15 MPH.
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 69 TO 79.
SATURDAY
PARTLY CLOUDY. A CHANCE OF RAIN SHOWERS. LOWS NEAR
50. HIGHS 67 TO 76.
.8 TO 14 DAY OUTLOOK FOR MAY 31 - JUN 06, 2026
ABOVE NORMAL TEMPERATURES AND NEAR NORMAL PRECIPITATION.
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