930
FNUS76 KPDT 300053
FWSPDT
SPOT FORECAST FOR TIDDLY WINKS 2B & 3...USDA US FOREST SERVICE
NATIONAL WEATHER SERVICE PENDLETON OR
553 PM PDT WED APR 29 2026
FORECAST IS BASED ON IGNITION TIME OF 1800 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% THURSDAY WITH OVERNIGHT RECOVERIES IN THE
70% RANGE.
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 IN THE EVENING BECOMING
LIGHT.
RIDGETOP WIND.......NORTH WINDS 5 TO 8 MPH IN THE EVENING BECOMING
LIGHT.
MIXING HEIGHT.......900 FT AGL.
TRANSPORT WINDS.....NORTH 6 TO 14 MPH.
VENTILATION INDEX...MODERATE (350) DECREASING TO LOW (60)
OVERNIGHT.
TIME (PDT) 6 PM 8 PM 10 PM MIDNGT 2 AM 4 AM
CHC OF LTNG (%).0 0 0 0 0 0
TEMP............59 54 47 42 40 38
RH..............32 40 51 62 70 74
20 FT WIND......N 7 N 6 N 6 N 4 NW 3 NW 3
20 FT WIND GUST.14 12 12 7 4 4
THURSDAY
SKY/WEATHER.........MOSTLY SUNNY (25-35 PERCENT).
CWR.................0 PERCENT.
CHANCE OF LIGHTNING.0 PERCENT.
MAX TEMPERATURE.....AROUND 70.
MIN HUMIDITY........20-25 PERCENT.
WIND (20 FT)........LIGHT WINDS BECOMING NORTHEAST 5 TO 8 MPH LATE
IN THE MORNING.
RIDGETOP WIND.......LIGHT WINDS BECOMING NORTHEAST 7 TO 10 MPH LATE
IN THE MORNING.
MIXING HEIGHT.......7000 FT AGL.
TRANSPORT WINDS.....NORTHEAST AROUND 6 MPH SHIFTING TO THE EAST 6
TO 8 MPH EARLY IN THE MORNING.
VENTILATION INDEX...LOW (90) INCREASING TO MODERATE (340) IN THE
AFTERNOON.
THURSDAY NIGHT
SKY/WEATHER.........PARTLY CLOUDY (20-30 PERCENT).
CWR.................0 PERCENT.
CHANCE OF LIGHTNING.0 PERCENT.
MIN TEMPERATURE.....41-44.
MAX HUMIDITY........59-64 PERCENT.
WIND (20 FT)........NORTH WINDS 5 TO 7 MPH IN THE EVENING BECOMING
LIGHT.
RIDGETOP WIND.......NORTH WINDS 5 TO 7 MPH IN THE EVENING BECOMING
LIGHT.
MIXING HEIGHT.......800 FT AGL.
TRANSPORT WINDS.....NORTH 7 TO 10 MPH SHIFTING TO THE SOUTHEAST 5
TO 7 MPH OVERNIGHT.
FORECASTER...RUSSELL
REQUESTED BY...LEONARD
TYPE OF REQUEST...PRESCRIBED
.TAG 2612158.1/PDT
.DELDT 04/29/26
.FORMATTERVERSION 2.0.0
.EMAIL JEFFERY.CRAWFORD@USDA.GOV,DANIEL.LEONARD@USDA.GOV
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