945
FNUS76 KOTX 130023
FWSOTX
SPOT FORECAST FOR UPPER SMITH FIRE...USFS
NATIONAL WEATHER SERVICE SPOKANE WA
523 PM PDT SUN JUL 12 2026
FORECAST IS BASED ON FORECAST START TIME OF 2000 PDT ON JULY 12.
DISCUSSION
DRY WEATHER WITH SEASONABLY COOL TEMPERATURES EXPECTED ACROSS FAR
NORTHERN ID TONIGHT AS MID AND HIGH CLOUD COVER CLEARS OUT.
OVERNIGHT RH RECOVERIES WILL BE POOR TO FAIR, WITH LIGHT TERRAIN
DRIVEN WINDS AFTER SUNDOWN. WARMER TEMPERATURES RETURN FOR MONDAY
AND TUESDAY WITH MID 70S TO LOW 80S FOR HIGHS NEAR THE FIRE
LOCATION, THOUGH CONSIDERABLY WARMER IN THE NEARBY KOOTENAY RIVER
VALLEY. LIGHT WEST TO SOUTHWEST BREEZES WILL LIKELY DEVELOP
MONDAY, THOUGH SLIGHTLY HIGHER WINDS AND GUSTS WILL BE ACROSS THE
RIDGETOPS NORTH AND SOUTH OF THE FIRE LOCATION. WINDS BECOME LIGHT
AND TERRAIN DRIVEN AGAIN MONDAY NIGHT WITH POOR RH RECOVERIES.
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 TONIGHT
SKY/WEATHER.........PARTLY CLOUDY EARLY, BECOMING MOSTLY CLEAR.
CWR.................0 PERCENT.
CHANCE OF LIGHTNING.0 PERCENT.
MIN TEMPERATURE.....AROUND 45-51. TEMPERATURES NEAR 55 IN THE
KOOTENAY RIVER VALLEY.
MAX HUMIDITY........50 TO 56 PERCENT.
WIND (20 FT)........SOUTH-SOUTHWESTERLY WINDS 5 TO 6MPH, BECOMING
WESTERLY 4 MPH OR LESS AROUND 0500 HOURS.
MIXING HEIGHT.......500 FT AGL.
TRANSPORT WINDS.....SOUTHWEST 7 TO 8 MPH.
VENTILATION INDEX...LOW (41).
MONDAY
SKY/WEATHER.........SUNNY.
CWR.................0 PERCENT.
CHANCE OF LIGHTNING.0 PERCENT.
MAX TEMPERATURE.....AROUND 72 TO 76. TEMPERATURES AROUND 90 TO 92
IN THE KOOTENAY RIVER VALLEY.
MIN HUMIDITY........23 TO 28 PERCENT.
WIND (20 FT)........LIGHT WESTERLY WINDS 5 MPH OR LESS THROUGH
1200 HOURS. SOUTHWESTERLY WINDS 5 TO 6 MPH
THROUGH 1800 HOURS, BECOMING LIGHT AND
SOUTHERLY 1 TO 3 MPH BETWEEN 1800 AND 2100
HOURS.
MIXING HEIGHT.......4500 FT AGL INCREASING TO 7000 FT AGL IN THE
AFTERNOON.
TRANSPORT WINDS.....SOUTHWEST AROUND 7 MPH INCREASING TO AROUND 17
MPH IN THE AFTERNOON.
VENTILATION INDEX...MODERATE (439) INCREASING TO VERY HIGH (1204)
IN THE AFTERNOON.
MONDAY NIGHT
SKY/WEATHER.........MOSTLY CLOUDY, THEN BECOMING PARTLY CLOUDY
AFTER 2300 HOURS.
CWR.................0 PERCENT.
CHANCE OF LIGHTNING.0 PERCENT.
MIN TEMPERATURE.....AROUND 53-58. TEMPERATURES AROUND 63 IN THE
KOOTENAY RIVER VALLEY.
MAX HUMIDITY........45 TO 50 PERCENT.
WIND (20 FT)........SOUTH-SOUTHWESTERLY WINDS 5 TO 6 MPH THROUGH
0400 HOURS, THEN BECOMING LIGHT AND VARIABLE
1 TO 3 MPH.
MIXING HEIGHT.......6000 FT AGL FALLING TO 500 FT AGL.
TRANSPORT WINDS.....SOUTHWEST 6 TO 9 MPH.
VENTILATION INDEX...HIGH (790) DECREASING TO LOW (30) OVERNIGHT.
TUESDAY
SKY/WEATHER.........PARTLY SUNNY.
CWR.................0 PERCENT.
CHANCE OF LIGHTNING.5 PERCENT.
MAX TEMPERATURE.....AROUND 77 TO 80. TEMPERATURES AROUND 95 IN
THE KOOTENAY RIVER VALLEY.
MIN HUMIDITY........28 TO 33 PERCENT.
WIND (20 FT)........LIGHT NORTHEASTERLY WINDS 3 MPH OR LESS IN
THE MORNING, BECOMING SOUTHWESTERLY 5 TO 6
MPH IN THE AFTERNOON.
MIXING HEIGHT.......3000 FT AGL INCREASING TO 6000 FT AGL IN THE
AFTERNOON.
TRANSPORT WINDS.....NORTHEAST AROUND 5 MPH SHIFTING TO THE SOUTH
AROUND 9 MPH IN THE AFTERNOON.
VENTILATION INDEX...LOW (187) INCREASING TO MODERATE (495) IN THE
AFTERNOON.
FORECASTER...PP
REQUESTED BY...COEUR DALENE DISPATCH
TYPE OF REQUEST...WILDFIRE
.TAG 2617271.0/OTX
.DELDT 07/12/26
.FORMATTERVERSION 2.0.0
.EMAIL IDCDC@FIRENET.GOV
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