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PORTLAND, Ore. (KOIN) — Summer heat has held on for the start of fall, but a cool down finally arrives across the Pacific Northwest as temperatures dip back into the 70s on Thursday.
A nearly 10-15 degree temperature drop from Wednesday to Thursday will work its way back into the region. A few more high clouds remain overhead, but sunshine will still be the dominant weather factor on Thursday around Portland.
Westerly winds will help to cool valley temperatures, but downsloping winds will develop over central and eastern Oregon and Washington on Thursday. Those westerly winds will increase the wildfire threat for north central Oregon and eastern Washington. A Red Flag Warning is in effect from 11 a.m. to 11 p.m. due to windy, dry weather, and rapid fire spread.
Portland’s temperature trend will rise and fall over the next week. Temps briefly climb back into the low 80s on Saturday before a cool down into the 60s early next week.
Rain chances start to increase on Monday as a cold front arrives and highs fall into the mid to upper 60s. Rain amounts in Portland remain uncertain at this time, but will be something to watch closely over the coming days. The chance for thunderstorms also returns next week as the cold and unstable pattern sets up.
Keep your eyes on the forecast as the KOIN 6 Weather Team tracks the next round of rain returning to Portland next week.
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Josh Cozart
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