Monday Night Weather Discussion from Chief Meteorologist Justin Stapleton
Another blazing afternoon across the Willamette Valley and most of Western Oregon with highs well in the mid 90s, meanwhile the coast saw the return of the marine clouds keeping the hot weather just off the beaches. Tonight will be humid and warm with lows only dipping into the mid to low 60s. That’s the real problem with this heat wave: we’re not cooling down and if you don’t have A/C, the hot air doesn’t mix out at night and then its back into the 90s again.
We’re still under a HEAT ADVISORY through Tuesday at 9pm as the blockade created by a massive high pressure ridge in the Southwest US will continue to pull up hot, dry air for tomorrow. Highs once again will climb quickly into the mid and upper 90s by mid-afternoon. So remember to do your best to stay out of the midday heat and/or take breaks in the shade, and lots of water.
By Wednesday, a cut off low off Southern California pulls south which allows the jet stream to flatten out slowly over the next couple of days. That along with a weak upper-level wave will break into the hot, high pressure just enough to pull highs back down into the upper 80s for the Fourth of July.
Friday and into the weekend, we’ll finally start to see overnight lows back down into the low 50s which will provide much needed relief and cooler air for those with no A/C. Mountain thunderstorms are likely starting tomorrow through Thursday. But that’s it for rain chances, high pressure will be back, just not as intense for next week.
Have a great Tuesday!
- Chief Meteorologist Justin Stapleton
Also, do you have a question for the weather team? You can “Ask The Meteorologist”! I’ll be answering YOUR questions Wednesday night at 6. Click here to submit your question: Ask The Meteorologist