Showers and Thunderstorms Thursday

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Chief Meteorologist Justin Stapleton‘s Nightly Forecast Discussion: 

**Wildfire information: Oregon Wildfires ***

Tonight starts the watch and wait game as the upper low slowly inches close to the coastline of Oregon. Ahead of its arrival, we’ll stay mostly cloudy with a chance for some pre-dawn showers and thunderstorms to develop, mainly in the mountains, but they’ll be drifting NW so parts of the valley may see showers to start Thursday. The south coast and Umpqua should stay dry for tonight. Lows will fall into the upper 50s and low 60s.

Tomorrow, the center of the storm move onshore, firing off another round of widespread showers and thunderstorms. Some of the thunderstorms, especially in the eastern slopes of the Cascades may be strong to severe with frequent lightning, hail, and strong winds. Flood Watches have been issued for the Cascades and most of the Eastern half of the state. Overall, rainfall estimates for Western Oregon is between .25″ and .50″ with heavier amounts in thunderstorm downpours. The low will cool the airmass considerably, keeping highs in the low 70s and 60s.

Friday will carry a slight chance for some wrap around showers in the morning, mainly for the Northern half of the state. Partly cloudy skies will break back out by late in the afternoon. By the weekend, high pressure moves back in as the low swings into Washington, putting Western Oregon under sunny skies by Saturday and highs jumping back up into the mid to upper 80s. Summer weather isn’t done with the Pacific Northwest just yet!

Have a great Thursday!

– Chief Meteorologist Justin Stapleton

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