Spot Forecast
Issued by NWS Portland, OR
Issued by NWS Portland, OR
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308 FNUS76 KPQR 231230 FWSPQR Spot Forecast for Arrow Slash Burn...Confederated Tribes of Grand Ronde National Weather Service Portland OR 530 AM PDT Mon Sep 23 2024 Forecast is based on ignition time of 0600 PDT on September 23. If conditions become unrepresentative, contact the National Weather Service. .DISCUSSION...High pressure will quickly build today causing winds to become northerly before shifting to the east tonight into Tuesday. Winds are not expected to be excessive, but in east-west aligned terrain and on east facing slopes gusts up to 15 mph are likely. Temperatures will rise considerably on Tuesday leading to much lower humidity than what has been observed as of late. However, a wet cooler front moves in on Wednesday and the effects linger through Friday morning. Seeing increasing chances for wetting rains, but if the front shifts north at all precipitation amounts will be lower. High overnight humidity recovery expected each night this week - including Tuesday night. Winds shift to the south with the incoming front on Wednesday then turn westerly through the remainder of the week. .TODAY... Sky/weather.........Mostly sunny then becoming partly cloudy. Areas of fog in the morning. CWR.................0 percent. LAL.................1. Max temperature.....Around 77. Min humidity........43 percent. Wind (20 ft)........ Slope/valley.......Light winds. Ridgetop (1000ft)..North winds 5-7 mph with gusts up to 15 mph. Mixing height.......3300 ft AGL. Transport winds.....North around 6 mph. Haines Index........2 (very low). Haines Index (Mid)..3 (very low). .TONIGHT... Sky/weather.........Mostly clear. CWR.................0 percent. LAL.................1. Min temperature.....Around 56. Max humidity........94 percent. Wind (20 ft)........ Slope/valley.......Light winds. Ridgetop (1000ft)..Northeast winds 6-10 mph with gusts up to 17 mph after 2100. Mixing height.......300 ft AGL. Transport winds.....Northeast around 6 mph. Haines Index........2 (very low). Haines Index (Mid)..4 (low). .TUESDAY... Sky/weather.........Mostly sunny. CWR.................0 percent. LAL.................1. Max temperature.....Around 84. Min humidity........48 percent. Wind (20 ft)........ Slope/valley.......Light winds. Ridgetop (1000ft)..East winds 4-6 mph. Mixing height.......2600 ft AGL. Transport winds.....Southeast around 5 mph. Haines Index........2 (very low). Haines Index (Mid)..4 (low). .FORECAST DAYS 3 THROUGH 5... .WEDNESDAY... Cooler. Partly cloudy. Showers likely. 20-40% chance of wetting rain. Lows in the lower 50s. Highs in the mid 60s. Light winds. Isolated breezy winds in passing showers. .THURSDAY... Partly cloudy. Chance of showers. Less than 10% chance of wetting rain. Lows in the mid 40s. Highs in the upper 60s. Light winds. .FRIDAY... Partly cloudy with chance of rain. 10% chance of wetting rain. Lows in the upper 40s. Highs in the mid 60s. Light winds. $$ Forecaster...Muessle Requested by...Andrew Puerini Type of request...PRESCRIBED .TAG 2422861.0/PQR .DELDT 09/23/24 .FormatterVersion 2.0.0 .EMAIL andrew.puerini@grandronde.org