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Mass: Mother Nature to spoil outdoor Mother's Day plans

Justin Steyer

All you need is a quick look out the window to see a gorgeous day in store for Friday, with none of those morning clouds we've been seeing all week.

The day is the last “almost perfectly sunny and warm” day we’ll see this weekend, says Cliff Mass, professor of atmospheric science at the University of Washington.

“Today’s going to be a really delightful,” he said. “But you’re going to see some clouds coming in at high levels later in the afternoon.”

As for the rest of the weekend, Mass says we'll have a cloudy but decent Saturday.

“I expect tomorrow to be roughly 5 to 8 degrees cooler than today,” said Mass. “Definitely a big step down, and the clouds will thicken, especially in the afternoon.”

The rain will hit the coast sometime Saturday afternoon, then sweep inland by midnight, says Mass. And come Mother’s Day morning, the inlands will see rain, and the mountains will stay wet all day.

“So probably on Sunday is not the day to go hiking,” he said. "Unfortunately, it may not be so perfect for that Mother's Day outing, either."

But if you're determined to garden or go for a walk on Sunday, wait until after Mother's Day brunch, says Mass. 

"You might be lucky if you wait until the afternoon," he said. "In the lowlands, there could be a few breaks."

Next week will bring a series of weather systems, and things will return to a more normal spring pattern.

“So some days it will be raining, and some days it will be cloudy,” said Mass. 


Do you have a weather question? Cliff Mass and Keith Seinfeld occasionally answer reader questions on the air. Share yours here.

The weekly KPLU feature "Weather with Cliff Mass" airs every Friday at 9 a.m. immediately following BirdNote, and repeats twice on Friday afternoons during All Things Considered. The feature is hosted by KPLU’s Science and Health reporter Keith Seinfeld. Cliff Mass is a University of Washington Professor of Atmospheric Sciences, a renowned Seattle weather prognosticator, and a popular weather blogger. You can also subscribe to a podcast of “Weather with Cliff Mass”shows.

Keith Seinfeld is a former KNKX/KPLU reporter who covered health, science and the environment over his 17 years with the station. He also served as assistant news director. Prior to KLPU, he was a staff reporter at The Seattle Times and The News Tribune in Tacoma and a freelance writer-producer. His work has been honored by the American Association for the Advancement of Science (AAAS) and the Knight Science Journalism Fellowships at Massachusetts Institute of Technology.