Spot Forecast
Issued by NWS Pendleton, OR
Issued by NWS Pendleton, OR
969 FNUS76 KPDT 080015 FWSPDT Spot Forecast for 0485 KATALO...USFS National Weather Service Pendleton OR 515 PM PDT Mon Jul 7 2025 Forecast is based on forecast start time of 1700 PDT on July 07. ***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 the transport wind multiplied by the mixing height in 100`s of feet. Index categories are a generalized indicator only.*** If you have questions or concerns with this forecast, please contact our office at (541) 276-8134. ...RED FLAG WARNING IN EFFECT FROM 2 PM TO 11 PM PDT TUESDAY FOR ABUNDANT LIGHTNING... .DISCUSSION...A ridge of high pressure will remain over the region today and tonight leading to hot afternoon temperatures, mild overnight low temperatures, low afternoon RH, and poor to moderate RH recovery. Tuesday afternoon, a slight chance of showers and thunderstorms is forecast for the burn site. Any thunderstorms that develop will be capable of producing cloud-to-ground lightning and strong, gusty outflow winds in excess of 50 mph. .REST OF TODAY... Sky/weather.........Sunny (0-10 percent). CWR.................0 percent. Chance of lightning.0 percent. Max temperature.....82-85. Min humidity........14-19 percent. Wind (20 ft)........Northwest winds 5-8 mph with gusts up to 15 mph. Ridgetop wind.......Northwest winds 6-9 mph with gusts up to 15 mph. Mixing height.......5000 ft AGL late afternoon, then decreasing. Transport winds.....West 8-11 mph. Ventilation Index...Poor (170). 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............81 81 79 74 69 66 65 64 62 61 61 61 RH..............18 19 22 26 32 33 36 37 37 37 37 34 20 FT wind dir..NW NW NW N N N N N N N N N 20 FT wind spd..6 6 6 5 5 5 4 4 4 4 4 4 20 FT wind gust.15 15 15 8 8 8 6 6 6 5 5 5 .TONIGHT... Sky/weather.........Mostly clear (5-15 percent). CWR.................0 percent. Chance of lightning.0 percent. Min temperature.....58-61. Max humidity........40-45 percent. Wind (20 ft)........Northwest winds 4-7 mph with gusts up to 12 mph in the evening, becoming drainage winds 2-5 mph overnight. Ridgetop wind.......Northwest winds 5-8 mph with gusts up to 15 mph in the evening, decreasing to 3-7 mph overnight. Mixing height.......Near surface overnight. Transport winds.....Northwest 5-8 mph early in the evening, then becoming light overnight. Ventilation Index...Poor (170) decreasing to poor (30) overnight. .TUESDAY... Sky/weather.........Sunny (5-15 percent) then becoming mostly cloudy (50-60 percent). Slight chance of showers and thunderstorms late in the afternoon. CWR.................2 percent. Chance of lightning.20 percent. Max temperature.....81-84. Min humidity........16-21 percent. Wind (20 ft)........Upslope 2-5 mph in the morning and early afternoon, becoming northwest 7-11 mph with gusts of 15-20 mph late in the afternoon. Gusty and erratic winds expected near any thunderstorms that develop in the afternoon. Ridgetop wind.......Upslope 2-5 mph in the morning and early afternoon, becoming northwest 10-14 mph with gusts of 20-25 mph late in the afternoon. Gusty and erratic winds expected near any thunderstorms that develop in the afternoon. Mixing height.......7000-7500 ft AGL by late morning. Transport winds.....Southeast 2-5 mph early morning increasing to 7-10 mph late morning and early afternoon, then shifting to the northwest 8-12 mph late in the afternoon. Ventilation Index...Poor (30) increasing to fair (330) in the afternoon. $$ Forecaster...Plunkett Requested by...TRAVIS EVANS Type of request...WILDFIRE .TAG 2517505.0/PDT .DELDT 07/07/25 .FormatterVersion 2.0.0 .EMAIL orcoc@firenet.gov,william.fielder@usda.gov