645
FNUS76 KPDT 292214
FWSPDT
SPOT FORECAST FOR TIDDLY WINKS 2B & 3...USDA US FOREST SERVICE
NATIONAL WEATHER SERVICE PENDLETON OR
314 PM PDT WED APR 29 2026
FORECAST IS BASED ON IGNITION TIME OF 1700 PDT ON APRIL 29.
***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.
DISCUSSION
DRY AND WARM CONDITIONS WILL PERSIST THROUGH
THE FORECAST PERIOD. RHS WILL BE IN THE 20% WITH OVERNIGHT
RECOVERIES IN THE 70% RANGE. WINDS WILL BE MAINLY FROM THE
NORTH BELOW 10 MPH BECOMING LIGHT (DOWNSLOPE/DOWN VALLEY)
OVERNIGHT. THE INVERSION SETTLE IN OVERHEAD AROUND 2300.
REST OF TODAY
SKY/WEATHER.........SUNNY (0-10 PERCENT).
CWR.................0 PERCENT.
CHANCE OF LIGHTNING.0 PERCENT.
MAX TEMPERATURE.....61-64.
MIN HUMIDITY........24-29 PERCENT.
WIND (20 FT)........NORTH WINDS 5 TO 7 MPH.
RIDGETOP WIND.......NORTH WINDS 7 TO 9 MPH.
MIXING HEIGHT.......5300 FT AGL.
TRANSPORT WINDS.....NORTH AROUND 12 MPH.
VENTILATION INDEX...MODERATE (350).
TIME (PDT) 5PM 6PM 7PM 8PM 9PM 10P 11P MID 1AM 2AM 3AM 4AM
CHC OF LTNG (%).0 0 0 0 0 0 0 0 0 0 0 0
TEMP............61 59 57 54 49 47 44 42 41 40 39 38
RH..............28 32 35 40 46 51 57 62 67 70 71 74
20 FT WIND DIR..N N N N N N N N N NW NW NW
20 FT WIND SPD..7 7 7 6 6 6 4 4 4 3 3 3
20 FT WIND GUST.14 14 14 12 12 12 7 7 7 4 4 4
TONIGHT
SKY/WEATHER.........MOSTLY CLEAR (5-15 PERCENT).
CWR.................0 PERCENT.
CHANCE OF LIGHTNING.0 PERCENT.
MIN TEMPERATURE.....36-39.
MAX HUMIDITY........72-77 PERCENT.
WIND (20 FT)........NORTH WINDS 5 TO 8 MPH BECOMING LIGHT
OVERNIGHT.
RIDGETOP WIND.......NORTH WINDS 5 TO 8 MPH BECOMING NORTHWEST
4 TO 6 MPH OVERNIGHT.
MIXING HEIGHT.......900 FT AGL.
TRANSPORT WINDS.....NORTH 6 TO 14 MPH.
VENTILATION INDEX...MODERATE (350) DECREASING TO LOW (60)
OVERNIGHT.
FORECASTER...BENNESE
REQUESTED BY...LEONARD
TYPE OF REQUEST...PRESCRIBED
.TAG 2612158.0/PDT
.DELDT 04/29/26
.FORMATTERVERSION 2.0.0
.EMAIL JEFFERY.CRAWFORD@USDA.GOV,DANIEL.LEONARD@USDA.GOV
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