Active AlertsPotlatch State Park, WA

What: Sub-freezing temperatures as low as 29 expected.
Where: Middle Chehalis River Valley, Southern Hood Canal, Lowlands of Lewis and Southern Thurston Counties, Olympia and Southern Puget Sound, and Willapa and Black Hills.
When: From 1 AM to 9 AM PDT Thursday.
Impacts: Frost and freeze conditions could kill crops, other sensitive vegetation and possibly damage unprotected outdoor plumbing.

Take steps now to protect tender plants from the cold.