680
FNUS76 KOTX 071738
FWSOTX
SPOT FORECAST FOR MIMA MOUNDS RX...SPOKANE TRIBE
NATIONAL WEATHER SERVICE SPOKANE WA
1038 AM PDT THU MAY 7 2026
FORECAST IS BASED ON IGNITION TIME OF 1300 PDT ON MAY 07.
DISCUSSION
DRY CONDITIONS WILL OCCUR TODAY WITH AFTERNOON RELATIVE HUMIDITY
FALLING INTO THE 20S. WINDS WILL BE DIURNALLY AND TERRAIN DRIVEN
TODAY AND TONIGHT. EARLY EVENING HOURS WILL HAVE BREEZY
CONDITIONS. WINDS WILL GRADUALLY INCREASE FRIDAY AFTERNOON AND
EVENING AS ANOTHER WEAK WEATHER SYSTEM PASSES THROUGH WITH WEST
WINDS GUSTING UP TO 15 MPH. CLOUDS WILL INCREASE WITH INCOMING
SYSTEM ON FRIDAY.
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).
***************************************************************
REST OF TODAY
SKY/WEATHER.........SUNNY.
CWR.................0 PERCENT.
CHANCE OF LIGHTNING.0 PERCENT.
MAX TEMPERATURE.....AROUND 75.
MIN HUMIDITY........25-30 PERCENT.
WIND (20 FT)........SOUTHWEST WINDS 5 TO 10 MPH.
MIXING HEIGHT.......8500 FT AGL.
TRANSPORT WINDS.....WEST AROUND 10 MPH.
VENTILATION INDEX...HIGH (674).
TONIGHT
SKY/WEATHER.........PARTLY CLOUDY.
CWR.................0 PERCENT.
CHANCE OF LIGHTNING.0 PERCENT.
MIN TEMPERATURE.....AROUND 47.
MAX HUMIDITY........58 PERCENT.
WIND (20 FT)........SOUTHWEST WINDS 4 TO 8 MPH WITH GUST NEAR 15
MPH THROUGH 2100 PDT THEN BECOMING LIGHT.
MIXING HEIGHT.......7500 FT AGL FALLING TO NEAR SURFACE.
TRANSPORT WINDS.....SOUTHWEST 10 TO 15 MPH.
VENTILATION INDEX...HIGH (675) DECREASING TO LOW (33) OVERNIGHT.
FRIDAY
SKY/WEATHER.........PARTLY CLOUDY BECOMING MOSTLY CLOUDY LATE
MORNING.
CWR.................0 PERCENT.
CHANCE OF LIGHTNING.0 PERCENT.
MAX TEMPERATURE.....AROUND 71.
MIN HUMIDITY........18-23 PERCENT.
WIND (20 FT)........SOUTH WINDS 4 TO 8 MPH SHIFTING TO THE
SOUTHWEST 6 TO 10 MPH WITH GUSTS TO AROUND 15
MPH IN THE AFTERNOON.
MIXING HEIGHT.......3000 FT AGL INCREASING TO 7500 FT AGL IN THE
AFTERNOON.
TRANSPORT WINDS.....SOUTHWEST 8 TO 15 MPH.
VENTILATION INDEX...MODERATE (304) INCREASING TO VERY HIGH (1088)
IN THE AFTERNOON.
FORECASTER...JCLEV
REQUESTED BY...FMO
TYPE OF REQUEST...PRESCRIBED
.TAG 2613081.0/OTX
.DELDT 05/07/26
.FORMATTERVERSION 2.0.0
.EMAIL RITZERKL@GMAIL.COM,MARLAR@SPOKANETREIBE.COM
CLICK HERE TO GO TO PREVIOUS BULLETINS.
Main Text Page