Steady rain will turn back to showers Thursday in what has turned out to be the wettest start to the month of March ever for Seattle. The threat of mudslides around the region remains and breezy conditions could bring down trees and knock out power.
The National Weather Service reports 3.73 inches of rain has fallen this month as of 4 a.m. Thursday at Sea-Tac Airport, where the official records for Seattle are taken. The average rainfall for all of March is 3.72 inches.
Flood warnings were issued Friday for the following rivers with minor flooding is expected:
- Snoqualmie River near Carnation from late Thursday night to late Friday night
- Puyallup River near Orting from Thursday afternoon to Friday afternoon
- Cowlitz River near Randle from late Thursday night to late Friday night
- Newaukum River near Chehalis from Thursday morning to Friday morning
- Skokomish River near Potlatch through late Thursday night
Flood watches remained in effect Thursday morning for Grays Harbor, Clallam, Jefferson, King, Kitsap, Lewis, Mason, Pierce, Snohomish and Thurston counties through late Thursday night.
The Green and Snoqualmie rivers are under a Phase 2 flood alert in King County, meaning they are at risk for minor flooding.
KING 5 Meteorologist Rich Marriott says steady rain Thursday morning will turn to off-and-on showers in the late morning, followed by afternoon showers and sunbreaks. It will be breezy at times with 15-to-25 mph winds. Highs will be in the lower 50s. Current conditions
Snow levels will start at 5,000 feet then drop to near 4,500 late in the day.
The Washington coast could get the strongest winds with gusts of 50-to-60 mph during the morning, but decreasing in the afternoon.