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Nicasio Reservoir is filled to capacity after recent storms in Nicasio, Calif. on Thursday, Jan. 12, 2023. (Alan Dep/Marin Independent Journal)
Nicasio Reservoir is filled to capacity after recent storms in Nicasio, Calif. on Thursday, Jan. 12, 2023. (Alan Dep/Marin Independent Journal)
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Marin soaked up between a half-inch and 1.3 inches of rain overnight, and is forecast for more this week, but the weekslong deluge is finally coming to an end, for now, forecasters said.

The county, along with much of the state, will remain under a flood watch through the evening Monday as saturated soils struggle to absorb storm runoff. Urban and small stream flooding is expected, according to the National Weather Service.

On Monday morning, flooded Highway 37 remained closed in Novato between Highway 101 and Atherton Avenue — the second lengthy closure since the rains began. Caltrans announced that as of 11 a.m. the eastbound lanes and one westbound lane had reopened, but that the rightmost westbound lane would remain closed with no projection yet on when it would reopen.

Monday is expected to remain partly sunny and with sun forecast all day Tuesday. A rainy afternoon Wednesday will clear out overnight before a sunny end to the week and weekend, according to the NWS.

Wednesday’s weather system “will be the final rainmaker for a while and thankfully this will move through the area quickly,” according to the agency’s forecast. “High pressure then builds over the region allowing things to dry out into at least early next week, if not beyond.”

There will be colder overnight temperatures in the next week, increasing risk of frost, according to the NWS.

Approximately 75 Pacific Gas and Electric Co. customers had no power on Monday morning, according to the utility’s outage map.

Several roads in West Marin remained closed Monday according to the county’s website, including Fairfax-Bolinas Road, which has been closed since Jan. 4.

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