570
FNUS76 KOTX 101143
FWSOTX
SPOT FORECAST FOR SOUTH OWL...USFS
NATIONAL WEATHER SERVICE SPOKANE WA
443 AM PDT SAT OCT 10 2026
FORECAST IS BASED ON IGNITION TIME OF 0600 PDT ON OCTOBER 10.
DISCUSSION
TODAY WILL BE COOL WITH BREEZY SOUTHWEST WINDS WITH PARTLY CLOUDY
SKIES AND A SMALL CHANCE (20%) OF SHOWERS IN THE AFTERNOON AND
EARLY EVENING. A DRIER AIRMASS WILL FILTER IN FROM THE NORTH
OVERNIGHT, LEADING TO DRIER CONDITIONS WITH MOSTLY SUNNY SKIES
SUNDAY BUT WITH BREEZY NORTHEAST WINDS.
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.........PARTLY CLOUDY. 20 PERCENT CHANCE OF SHOWERS FROM
1200-1900 HOURS. RAIN AMOUNTS LIGHT UP TO 0.05".
CWR.................5 PERCENT.
CHANCE OF LIGHTNING.0 PERCENT.
MAX TEMPERATURE.....48.
MIN HUMIDITY........52-56 PERCENT.
WIND (20 FT)........SOUTH WINDS AROUND 5-9 MPH BECOMING SOUTHWEST
4-8 MPH AROUND 0900 HOURS. WINDS BECOMING WEST/
NORTHWEST AROUND 3-6 MPH AROUND 1500 HOURS.
MIXING HEIGHT.......4000 FT AGL.
TRANSPORT WINDS.....SOUTHWEST AROUND 10 MPH SHIFTING TO THE
SOUTHEAST AROUND 6 MPH IN THE AFTERNOON.
VENTILATION INDEX...MODERATE (256).
TONIGHT
SKY/WEATHER.........MOSTLY CLOUDY THEN BECOMING PARTLY CLOUDY.
CWR.................0 PERCENT.
CHANCE OF LIGHTNING.0 PERCENT.
MIN TEMPERATURE.....32.
MAX HUMIDITY........89-94 PERCENT.
WIND (20 FT)........NORTH WINDS AROUND 5 MPH BECOMING NORTHEAST WINDS
6 TO 11 MPH WITH GUSTS TO AROUND 22 MPH
AROUND 2200 HOURS.
MIXING HEIGHT.......FALLING TO NEAR SURFACE AROUND 1900 HOURS.
TRANSPORT WINDS.....NORTHEAST 14 TO 20 MPH.
VENTILATION INDEX...LOW (177).
SUNDAY
SKY/WEATHER.........PARTLY SUNNY.
CWR.................0 PERCENT.
CHANCE OF LIGHTNING.0 PERCENT.
MAX TEMPERATURE.....42.
MIN HUMIDITY........35-41 PERCENT.
WIND (20 FT)........NORTHEAST WINDS 10-15 MPH WITH GUSTS TO
AROUND 25-30 MPH.
MIXING HEIGHT.......4000 FT AGL.
TRANSPORT WINDS.....NORTHEAST 15 TO 25 MPH.
VENTILATION INDEX...HIGH (652) INCREASING TO HIGH (611) IN THE
AFTERNOON.
FORECAST DAYS 3 THROUGH 5
COLUMBUS DAY
PARTLY CLOUDY. LOWS IN THE LOWER 30S. HIGHS IN THE UPPER 40S.
NORTHEAST WINDS AROUND 6 MPH.
TUESDAY
MOSTLY CLEAR. LOWS IN THE LOWER 30S. HIGHS IN THE LOWER 50S.
LIGHT WINDS.
WEDNESDAY
MOSTLY CLEAR. SLIGHT CHANCE OF SHOWERS. LOWS IN THE MID 30S.
HIGHS IN THE LOWER 50S. LIGHT WINDS.
OUTLOOK FOR SATURDAY OCTOBER 17 THROUGH FRIDAY OCTOBER 23
ABOVE NORMAL TEMPERATURES AND BELOW NORMAL PRECIPITATION.
FORECASTER...DB
REQUESTED BY...PATRICK WARKER
TYPE OF REQUEST...PRESCRIBED
.TAG 2623066.5/OTX
.DELDT 10/10/26
.FORMATTERVERSION 2.0.0
.EMAIL RYAN.NIPP@USDA.GOV,PATRICK.WARKER@USDA.GOV,LUKE.SMITH2@USDA.GOV,KYLE.MANN@USDA.GOV
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