389
FNUS76 KOTX 071157
FWSOTX
SPOT FORECAST FOR UPPER AENEAS UNIT 2C...USFS
NATIONAL WEATHER SERVICE SPOKANE WA
457 AM PDT THU MAY 7 2026
FORECAST IS BASED ON IGNITION TIME OF 0600 PDT ON MAY 07.
DISCUSSION
DRY CONDITIONS ARE EXPECTED TODAY WITH AFTERNOON RELATIVE
HUMIDITY FALLING TO BETWEEN 17 AND 20 PERCENT WITH NORTHWEST
WINDS. WINDS WILL DECOUPLE TONIGHT AND BECOME LIGHT, BEFORE
INCREASING ON FRIDAY AS A WEAK WEATHER SYSTEM PASSES THROUGH.
IF CONDITIONS BECOME UNREPRESENTATIVE, CONTACT THE NATIONAL WEATHER
SERVICE.
***************************************************************
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).
***************************************************************
TODAY
SKY/WEATHER.........MOSTLY SUNNY.
CWR.................0 PERCENT.
CHANCE OF LIGHTNING.0 PERCENT.
MAX TEMPERATURE.....AROUND 73.
MIN HUMIDITY........17-20 PERCENT.
WIND (20 FT)........NORTHWEST 5 TO 10 MPH.
MIXING HEIGHT.......500 FEET AGL THROUGH 0800 INCREASING TO
5500 FT AGL IN THE AFTERNOON.
TRANSPORT WINDS.....NORTHWEST AROUND 10 MPH.
VENTILATION INDEX...LOW (50) INCREASING TO HIGH (500) IN THE
AFTERNOON.
TONIGHT
SKY/WEATHER.........MOSTLY CLOUDY.
CWR.................0 PERCENT.
CHANCE OF LIGHTNING.0 PERCENT.
MIN TEMPERATURE.....AROUND 49.
MAX HUMIDITY........55-60 PERCENT.
WIND (20 FT)........NORTHWEST 3 TO 7 MPH THROUGH 2200 THEN
DOWNSLOPE/DOWNVALLEY 1 TO 3 MPH.
MIXING HEIGHT.......FALLING TO NEAR SURFACE NEAR 2000.
TRANSPORT WINDS.....SOUTHWEST 4 TO 9 MPH IN THE EVENING THEN
DOWNSLOPE/DOWNVALLEY LESS THAN 5 MPH.
VENTILATION INDEX...MODERATE (345) DECREASING TO LOW (19)
OVERNIGHT.
FRIDAY
SKY/WEATHER.........CLOUDY THEN BECOMING PARTLY SUNNY.
CWR.................0 PERCENT.
CHANCE OF LIGHTNING.0 PERCENT.
MAX TEMPERATURE.....AROUND 69.
MIN HUMIDITY........19-22 PERCENT.
WIND (20 FT)........NORTHWEST 3 TO 7 MPH IN THE MORNING INCREASING
TO 6 TO 12 MPH. GUSTS UP TO 20 MPH AFTER 1500.
MIXING HEIGHT.......NEAR SURFACE THROUGH 0800 INCREASING TO 6500 FT
AGL IN THE AFTERNOON.
TRANSPORT WINDS.....SOUTHWEST 5 TO 10 MPH IN THE MORNING SHIFTING TO
THE WEST 10 TO 15 MPH IN THE AFTERNOON.
VENTILATION INDEX...LOW (40) INCREASING TO HIGH (650) IN THE
AFTERNOON.
FORECASTER...JW
REQUESTED BY...TAYLOR ORTEG
TYPE OF REQUEST...PRESCRIBED
.TAG 2612681.3/OTX
.DELDT 05/07/26
.FORMATTERVERSION 2.0.0
.EMAIL TAYLOR.ORTEG@USDA.GOV
CLICK HERE TO GO TO PREVIOUS BULLETINS.
Main Text Page