Rare atmospheric river events for June in Seattle this week

We're tracking two atmospheric river events to impact Western Washington between Sunday and Tuesday. Get ready for rounds of heavy rain and gusty weather. There may be isolated, minor street and river flooding. We'll need to monitor the burn scars for flooding issues should downpours develop (we'll especially watch the Bolt Creek burn scar for potential impacts along the highway).

Soggy, sloppy weather could create slippery roads for drivers in Seattle.

Rounds of heavy rain could trigger localized, minor street and river flooding.  (FOX 13 Seattle)

For today, the weather will be fairly quiet. Light hit-or-miss showers are in the forecast. Highs will be below average, reaching the low to mid 60s for most. Keep a rain jacket with you! 

You can plan on mostly cloudy weather with below-normal temperatures Saturday in Seattle.

Highs Saturday will be below average in Western Washington. (FOX 13 Seattle)

Mostly cloudy skies and stray sprinkles are forecast for Seattle Saturday.

Only spotty showers are possible for Western Washington Saturday afternoon. (FOX 13 Seattle)

On-and-off showers stick around in Seattle Saturday evening.

Stray showers linger in Western Washington Saturday evening. (FOX 13 Seattle)

The first atmospheric river will arrive Sunday. The second will follow on Monday. Just like an actual river of water, an atmospheric river is super moist: it's a corridor of saturated air in the mid levels of the atmosphere. This type of weather pattern is famous for dumping soaking rain along the West Coast. That's exactly what we'll see in the days ahead. 

A corridor of moist air will spark rainy weather for Seattle

Two atmospheric rivers will impact Western Washington Sunday to Tuesday. (FOX 13 Seattle)

Due to the possibility for many rivers nearing minor flooding stage, the National Weather Service has posted a Flood Watch for the areas in forest green below. This goes from Sunday morning to Wednesday morning. Where there's poor drainage, we can't rule out spotty, minor street flooding. At the bare minimum, the wet roads will make driving slippery and a bit treacherous. Drive carefully! 

The Snoqualmie River near Carnation has the best chance for minor flooding. At this time, it looks like other rivers will be rising but not meeting the flood stage threshold.

There are concerns for localized, minor street and river flooding.

A Flood Watch is in effect from Sunday morning through Wednesday morning. (FOX 13 Seattle)

There could be new record rain totals with these incoming systems!

Get ready for a soaking, drenching weather pattern in Seattle Sunday.

Heavy rain envelops much of Western Washington by noon Sunday. (FOX 13 Seattle)

Soggy and gusty weather is in store for Seattle Sunday evening.

Rain will be stubborn, lasting all afternoon and evening on Sunday. (FOX 13 Seattle)

It'll be blustery as well. Winds could gust between 15 and 30 mph (especially on Monday). Some gusts could reach about 35 mph in the typical areas (e.g. the coast, inland waters and the Cascades). 

Morning clouds will give way to afternoon sunshine on Wednesday. Sunnier and warmer weather returns on Thursday and Friday. 

Stay weather aware the next few days! We'll be updating the forecast and watching conditions carefully. 

Rainy weather will impact Seattle and Western Washington starting Sunday.

Exceptionally active weather is on the way for Seattle from Sunday to Tuesday. (FOX 13 Seattle)

Warmly, 

Meteorologist Abby Acone
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