Uh oh. After that beautifully sunny weekend we just had — our first dry one since Halloween — another atmospheric river will camp over the Puget Sound region on Tuesday and Wednesday.
Along with the torrential rain, we are likely to see the same lowland flooding and avalanche danger we had last week, according to the National Weather Service of Seattle.
Meteorologist Dana Felton said a weak front will move into Western Washington on Monday, bringing light rain, and the leading edge of an atmospheric river will arrive Monday night.
The river of rain will stall over us for two full days, and snow levels in the mountains will move higher, meaning we will see rain in the mountains instead of snow.
That will contribute to avalanche danger and flood risks.
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Flood watches are in effect through Thursday for King, Snohomish, Whatcom and Skagit counties, which will be affected by runoff from the Cascades.
Run off from the Olympics will affect Mason, Grays Harbor, Jefferson and Clallam counties, which are also under a flood watch through Thursday, Felton said.
But if we can all just hang on through Friday, we have a good chance of seeing another couple days of dry weather.
“It might be dry all the way through the weekend,” he said. “That would be the first time we’ve had three dry days in a row since September.”
Well today was nice. A front will move through tomorrow. But the big weather maker of the week will be Tue-Wed. Heavy rainfall is expected. Rivers will rise & some are expected to flood. Landslide risk will once again increase. Make sure to stay up to date on the forecast.#wawx pic.twitter.com/YBjepSJdXI

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