SEATTLE -- Driving rains falling on ground saturated from last week's storms pushed rivers and streams over their banks and spread floodwaters across roads Monday, as rain gauges recorded the heaviest rainfall in the history of weather records.

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FLOODING IMAGES Slideshow: Highways Destroyed By Storms Slideshow: Damage In Northwest Slideshow: Skokomish River Flooding Images

The state Emergency Operations Center opened at Camp Murray to help counties deal with flooding and road problems. The center also was open Friday and Saturday.

Flood warnings were issued for these rivers in western Washington:

--Satsop River in Grays Harbor County
--Snoqualmie River in King County
--Elwha River in Clallam County
--Dungeness River in Clallam County
--Skokomish River in Mason County
--Stillaguamish River in Snohomish County
--Nooksack River in Whatcom County
--Skagit River in Skagit County
--Skykomish River at Gold Bar in Snohomish County
--Tolt River near Carnation in King County

The greatest risk of damage appeared to be posed by the Skagit River, which is forecast to crest near 40 feet -- 12 feet above flood stage -- near Concrete in Skagit County shortly before dawn Tuesday. It's expected to crest about 6 feet above flood stage in Mount Vernon later Tuesday.

Mudslides and rising rivers closed some highways and smaller roads all over the state.

Video

Eastside Streets Flooded

Seattle-Tacoma International Airport Monday recorded its heaviest day of rainfall since recording began there in the 1940's. As of 5:25 p.m., the airport had recorded 3.48 inches of rain, with six-and-a-half hours left to go. The previous record was 3.41 inches on Nov. 20, 1959.

"It's a conveyor belt-type of pattern," said KIRO 7 Chief Meteorologist Andy Wappler. "It keeps bringing the clouds and rain over our area again and again."

King County officials issued a Phase Three Flood Alert for the Tolt River, located east of Carnation in the Snoqualmie Valley. Low-lying areas near the river were expected to flood, but no homes or rivers were immediately threatened.

Northeast 21st Street near 140th in Bellevue was flooded from a nearby creek, KIRO 7 Eyewitness News Eastside Bureau Chief Sally Schulze reported. Campbell Road and Factoria Boulevard were also closed, Schulze said.

Flooding closed a Tully's coffee business in Seattle, KIRO 7 Eyewitness News reported. The Tully's is located on Pike Street near Harvard Avenue.

Video

Tully's Coffee Store Floods

The Mount Baker Highway, SR 542, was closed due to flooding of the north fork of the Nooksack River, effectively cuting off the towns of Maple Falls and Glacier.

Two roads remained closed in Washington state Monday because of flood damage and slides from last week's storm. On State Route 20, the North Cascades Highway, slides deposited "rocks as big as Volkswagens" and debris 10 to 15 feet deep, said state Transportation Department spokeswoman Jamie Holter. Washington 112, the only paved road to the Makah Indian Reservation at the tip of the Olympic Peninsula, was severed by a sinkhole 40 feet deep and 150 feet long.

Video

Salmon Cross Highway 101

The slides on SR 20 forced the earliest closure of that road ever. It shuts down for the winter every year.

The damage on SR 112 is "just east of the reservation line," said DOT's Monty Mills in Port Angeles. Repairs were expected to cost $90,000 to $100,000. "If it had been just a little bit down the road, repair would have been up to the Makah road department."

Video

Drivers Brave High Water Near Skok

A local contractor, Bruch and Bruch of Port Angeles, was on site Monday.

"We've got a full crew out there -- probably as many as 10 trucks," said Jesse Bruch, who estimated repairs would take three days, with the road reopening Thursday.

"That's just an estimate," Mills cautions. "It's raining sideways out there right now."

The road to Neah Bay, which winds along bluffs overlooking the Strait of Juan de Fuca, is vulnerable to slides and washouts.

"It's been starting early this year," Mills said. "That might be it for winter or it might be the whole winter like that. You never know."

Arrangements were made Sunday for an emergency detour over a Crown Pacific logging road that takes about 45 minutes to traverse, with traffic limited to one way at a time, said Karl Gilje, the tribe's public works director.

"We basically want it to be traffic that absolutely has to go, be it for food delivery, gas, mail and any other deliveries to other commercial establishment we may have," Gilje said.

The tribe also will use boats to bring supplies to the reservation from the Sekiu marina as needed, he added.

At Washburn's General Merchandise, the only market serving about 2,400 reservation residents, bread was sold out Sunday and cashier Chris Chamblin said other necessities were selling fast.

By Monday, "the milk's all gone," Vicky Waddell, bookkeeper at the Makah Museum and Cultural Center. And if the run on gasoline continues at the town's only station, that could run out too.

"People are gassing up a lot," she said. "Like they're going to go somewhere. Where are they going to go?"

Neah Bay School was closed because many of the teachers live off the reservation, she said -- giving kids time to catch up on housework and homework.

"I'm not worried," Waddell said of the increased isolation at her remote community. "This town helps out. ... We'll be fine."

On SR 20, state transportation crews were trying to clear culverts and limit damage, Holter said.

"We have large sections of roadway that have washed out. We have guardrails hanging in the air," Holter said. And while the road is usually closed through mid-April, repairs must be made immediately. "If we leave it alone, it will continue to erode the roadway and be much more expensive" to fix.

There was a small silver lining to the clouds. No longer are Seattle city water officials concerned about low reservoir levels following an unusually dry summer.

The city's Tolt River reservoir fell to at its lowest level in 40 years but as of Sunday was back to about 70 percent of normal capacity and "it should be all uphill from here," said George Schneider, the city's water supply manager.

The city's other water supply, Chester Morse Reservoir in the Cedar River watershed, was back to normal, he added.