


Spot Forecast
Issued by NWS Pendleton, OR
Issued by NWS Pendleton, OR
152 FNUS76 KPDT 080042 FWSPDT Spot Forecast for SUNRISE...BLM National Weather Service Pendleton OR 542 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 (5-15 percent). CWR.................0 percent. Chance of lightning.0 percent. Max temperature.....90-93. Min humidity........9-14 percent. Wind (20 ft)........Becoming northwest winds 4-8 mph with gusts up to 15 mph. Ridgetop wind.......Becoming northwest winds 5-9 mph with gusts up to 15 mph. Mixing height.......11000-11500 ft AGL. Transport winds.....West 7-10 mph. Ventilation Index...Fair (450). 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............90 90 88 85 78 74 71 69 66 63 61 59 RH..............12 13 14 16 22 25 28 29 32 34 37 39 20 FT wind dir..NW NW NW N N N SW SW SW SW SW SW 20 FT wind spd..6 6 6 5 5 5 4 4 4 3 3 3 20 FT wind gust.15 15 15 8 8 8 6 6 6 4 4 4 .TONIGHT... Sky/weather.........Mostly clear (10-20 percent). CWR.................0 percent. Chance of lightning.0 percent. Min temperature.....58-61. Max humidity........40-45 percent. Wind (20 ft)........Northwest winds 5-9 mph with gusts up to 15 mph in the early evening, becoming drainage winds 1-5 mph overnight. Ridgetop wind.......Northwest winds 5-9 mph with gusts up to 15 mph in the early evening, becoming variable winds 1-5 mph overnight. Mixing height.......Decreasing to near surface overnight. Transport winds.....Shifting to the north 8-12 mph early in the evening, then becoming variable 3-6 mph overnight. Ventilation Index...Fair (450) decreasing to poor (30) overnight. .TUESDAY... Sky/weather.........Sunny (20-30 percent). Slight chance of showers and thunderstorms in the afternoon. CWR.................2 percent. Chance of lightning.20 percent. Max temperature.....95-98. Min humidity........7-12 percent. Wind (20 ft)........Upslope and upvalley winds 2-5 mph early morning, becoming southwest winds 6-11 mph with gusts up to 20 mph by late morning. Winds shifting to the northwest 8-12 mph with gusts up to 25 mph late afternoon. Gusty and erratic winds expected near any thunderstorms that develop in the afternoon. Ridgetop wind.......Upslope and upvalley winds 2-5 mph early morning, becoming southwest winds 6-11 mph with gusts up to 20 mph by late morning. Winds shifting to the northwest 10-14 mph with gusts up to 25 mph late afternoon. Gusty and erratic winds expected near any thunderstorms that develop in the afternoon. Mixing height.......Increasing to 12000-15000 ft AGL late morning and afternoon. Transport winds.....Variable winds 2-5 mph early morning, becoming south then southwest 10-15 mph late morning and early afternoon, then shifting to the northwest 10-15 mph late in the afternoon. Ventilation Index...Poor (30) increasing to excellent (1050) in the afternoon. $$ Forecaster...Plunkett Requested by...MARY BIBLER Type of request...WILDFIRE .TAG 2517508.0/PDT .DELDT 07/07/25 .FormatterVersion 2.0.0 .EMAIL orcoc@firenet.gov