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Get ready, get set, go. And by go, I mean go find your rain jacket.

Seattle-area residents on Sunday got more rain in a short stretch during the afternoon than was seen through most of the summer, according to Dustin Guy, a National Weather Service meteorologist in Seattle.

“During a three-hour period between 2 and 5 p.m. we had 1/10 of an inch of rain, which is five times what we received in the last two-and-a-half months,” he said. “And that was just for comparison because we ended up getting more rain than that.”

Guy said a broad trough of low pressure air will be moving onshore and bring “pretty good showers that will increase as the day goes on” to the Puget Sound region on Monday and Tuesday.

“It will bring cooler temperatures than we’ve seen in months and it could be unstable,” he said. “I wouldn’t rule out a crack of thunder later today and this evening. ”

Tuesday will be a repeat of Monday, and showers may still be likely early on Wednesday, he said.

By Wednesday afternoon, however, it is expected to dry out as the day goes on, and by Thursday you can probably hang up your rain coat for expected cool and dry weather.

Guy said temperatures are forecast to just barely hit 60 on Monday and Tuesday, will creep up to low 60s on Tuesday and Wednesday and should be up into the mid 60s at the end of the week and through the weekend.

The end of summer and first day of fall is Friday.

“It looks like it’s going to be a cool and pleasant first weekend of fall,” Guy said.