975
FNUS76 KPDT 161732
FWSPDT
SPOT FORECAST FOR LYONS FERRY...FRANKLIN COUNTY DIST 3
NATIONAL WEATHER SERVICE PENDLETON OR
1032 AM PDT THU JUL 16 2026
FORECAST IS BASED ON FORECAST START TIME OF 1000 PDT ON JULY 16.
***THUNDERSTORMS IMPLY GUSTY AND ERRATIC WINDS ***
***WINDS ARE 20 FOOT 10-MINUTE AVERAGES ***
***CWR: CHANCE OF WETTING RAIN 0.10 OR GREATER ***
***VENTILATION INDEX IS DERIVED FROM TRANSPORT WIND
MULTIPLIED BY THE MIXING HEIGHT IN 100'S OF FT.
CATEGORIES ARE A GENERALIZED INDICATOR ONLY:
LOW (< 200), MODERATE (200-500), HIGH (500-700),
AND VERY HIGH (> 700). ***
IF YOU HAVE QUESTIONS OR CONCERNS WITH THIS FORECAST, PLEASE
CONTACT OUR OFFICE AT (541) 276-8134.
..HEAT ADVISORY IN EFFECT UNTIL 9 PM PDT THIS EVENING
***SPOT FORECAST REQUEST CENTERED OVER KAHLOTUS, WA***
DISCUSSION
WINDS WILL SHIFT FROM THE EAST TO SOUTHWEST INTO
THIS AFTERNOON, THEN INCREASE TO 10 TO 16 MPH LATER IN THE
AFTERNOON. WINDS WILL DECREASE TOMORROW MORNING. ISOLATED TO
SCATTERED THUNDERSTORMS THIS MORNING WILL BRING A GUSTY OUTFLOW
THREAT. THUNDERSTORM ACTIVITY IS EXPECTED TO MOVE EAST OF THE
AREA INTO THE MOUNTAINS, BUT CANNOT RULE OUT AN OUTFLOW
BOUNDARY IMPACTING THE AREA LATER THIS AFTERNOON AND EVENING.
RHS MAY LOWER INTO THE UPPER TEENS THIS AFTERNOON, THEN DECREASE
FURTHER INTO THE LOWER TEENS TOMORROW AFTERNOON.
REST OF TODAY
SKY/WEATHER.........SUNNY (10-20 PERCENT). SLIGHT CHANCE OF SHOWERS
AND THUNDERSTORMS LATE IN THE MORNING.
CWR.................0 PERCENT.
CHANCE OF LIGHTNING.15 PERCENT.
MAX TEMPERATURE.....99-102.
MIN HUMIDITY........19-24 PERCENT.
WIND (20 FT)........EAST WINDS 5 TO 10 MPH SHIFTING TO THE SOUTH
AFTER 12PM, THEN SHIFTING TO THE SOUTHWEST
8 TO 13 MPH AROUND 4PM. GUSTY AND ERRATIC
WINDS EXPECTED NEAR THUNDERSTORMS LATE IN
THE MORNING.
MIXING HEIGHT.......6300 FT AGL.
TRANSPORT WINDS.....EAST 10 TO 12 MPH SHIFTING TO THE SOUTH 9 TO 10
MPH LATE IN THE AFTERNOON.
VENTILATION INDEX...MODERATE (340-350) IN THE AFTERNOON.
TIME (PDT) 10A 11A 12P 1PM 2PM 3PM 4PM 5PM 6PM 7PM 8PM 9PM
CHC OF LTNG (%).20 0 0 0 0 0 0 0 0 0 0 0
TEMP............89 91 93 96 97 98 98 97 97 96 91 84
RH..............38 34 30 27 25 24 24 24 24 26 28 34
20 FT WIND DIR..E E SE SE S S SW SW SW SW SW SW
20 FT WIND SPD..8 8 7 7 7 8 11 10 10 11 13 14
20 FT WIND GUST.12 12 11 11 11 12 16 14 14 15 19 21
TONIGHT
SKY/WEATHER.........MOSTLY CLEAR (15-25 PERCENT).
CWR.................0 PERCENT.
CHANCE OF LIGHTNING.4 PERCENT.
MIN TEMPERATURE.....59-62.
MAX HUMIDITY........57-62 PERCENT.
WIND (20 FT)........SOUTHWEST WINDS 10 TO 16 MPH WITH GUSTS TO
AROUND 26 MPH.
MIXING HEIGHT.......800 FT AGL.
TRANSPORT WINDS.....SOUTHWEST 10 TO 15 MPH SHIFTING TO THE SOUTH 15
TO 20 MPH LATE IN THE EVENING.
VENTILATION INDEX...MODERATE (360) DECREASING TO LOW (140-150)
OVERNIGHT.
FRIDAY
SKY/WEATHER.........SUNNY (10-20 PERCENT).
CWR.................0 PERCENT.
CHANCE OF LIGHTNING.1 PERCENT.
MAX TEMPERATURE.....93-96.
MIN HUMIDITY........13-18 PERCENT.
WIND (20 FT)........SOUTHWEST WINDS 7 TO 12 MPH WITH GUSTS UP TO
20 MPH, BECOMING 5 TO 10 MPH AFTER 12PM.
MIXING HEIGHT.......5200 FT AGL.
TRANSPORT WINDS.....SOUTHWEST 10 TO 15 MPH.
VENTILATION INDEX...LOW (160) INCREASING TO MODERATE (360) IN THE
AFTERNOON.
FORECASTER...LAWHORN
REQUESTED BY...CH231
TYPE OF REQUEST...WILDFIRE
.TAG 2617487.0/PDT
.DELDT 07/16/26
.FORMATTERVERSION 2.0.0
.EMAIL MHARRIS@FCFD3.ORG
CLICK HERE TO GO TO PREVIOUS BULLETINS.
Main Text Page