Spot Forecast
Issued by NWS Pendleton, OR
Issued by NWS Pendleton, OR
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651 FNUS76 KPDT 092350 FWSPDT Spot Forecast for Williams Mine...Klickitat County Fire District 1 National Weather Service Pendleton OR 450 PM PDT Fri Aug 9 2024 Forecast is based on forecast start time of 1800 PDT on August 09. ***Thunderstorms imply gusty and erratic winds*** ***Winds are 20 foot 10-minute averages*** ***CWR-Chance of wetting rain 0.10 or greater*** If you have questions or concerns with this forecast, please contact our office at (541) 276-8134. .DISCUSSION...A weather system currently bearing down on the Pacific Northwest will bring shower and thunderstorm chances to the Cascades tonight and tomorrow. For tonight, the bulk of shower and thunderstorm activity is expected north of the site, but a stray cell could still develop before 11 pm tonight before drying out overnight. Better chances exist tomorrow, primarily during the late morning and early afternoon hours, but storm cells are still expected to be spotty in nature. Outside of storm chances, expect generally light NW winds and gradually cooling conditions, leading to improving RH recoveries. .TONIGHT... Sky/weather.........Mostly cloudy (80-90 percent) then becoming partly cloudy (30-40 percent). Slight chance of showers and thunderstorms early in the evening (15-20 percent until 2300), then dry overnight. Patchy smoke. CWR.................2 percent. LAL.................2 until 2300, then 1. Min temperature.....Around 60. Max humidity........73-78 percent. Wind (20 ft)........Light and variable winds around 5 mph early in the evening, becoming Northwest overnight. Gusty and erratic winds expected near thunderstorms in the evening. Mixing height.......4000 ft AGL early in the evening, then near- surface overnight. Transport winds.....Northwest around 6 mph. Haines Index........3 or very low potential for large plume dominated fire growth. TIME (PDT) 6 PM 8 PM 10 PM MIDNGT 2 AM 4 AM Temp............87 80 73 68 64 61 RH..............29 42 55 59 66 72 20 ft wind......N 3 NW 4 NW 5 NW 5 NW 5 NW 5 20 ft wind gust.7 6 6 6 6 6 .SATURDAY... Sky/weather.........Sunny (10-20 percent). Areas of smoke through the day. Slight chance of showers and thunderstorms late in the morning (15-20 percent). CWR.................8 percent. LAL.................1 until 1100, then 2 until 1700, then 1. Max temperature.....89-92. Min humidity........28-33 percent. Wind (20 ft)........Northwest winds 5 to 10 mph. Gusty and erratic winds expected near thunderstorms late in the morning. Mixing height.......8300 ft AGL by the afternoon. Transport winds.....West-Northwest winds 6 to 12 mph. Haines Index........3 or very low potential for large plume dominated fire growth. .SATURDAY NIGHT... Sky/weather.........Mostly clear (5-15 percent). Areas of smoke. CWR.................2 percent. LAL.................1. Min temperature.....53-56. Max humidity........86-91 percent. Wind (20 ft)........Northwest winds 5 to 8 mph. Mixing height.......4200 ft AGL early in the evening, then near- surface overnight. Transport winds.....West-Northwest 7 to 14 mph, decreasing to around 8 mph overnight. Haines Index........3 to 4 or very low to low potential for large plume dominated fire growth. $$ Forecaster...Evans Requested by...Mark Henrichs Type of request...WILDFIRE .TAG 2419986.0/PDT .DELDT 08/09/24 .FormatterVersion 2.0.0 .EMAIL mark_henrichs@firenet.gov