Anyone who enters a closed alleyway without permission could be fined up to $1,000 or spend up to 90 days in jail.
The unseasonably cold temps will stick around through Friday morning and could perpetuate the frost.
It comes ahead of a potential snow dump to cap off the season.
Anglers can target chinook from April 20 until May 15.
Residents living in 16 counties including Whatcom and Skagit Counties automatically have the extension attached to their records.
Forecasters are expecting 10 to 20 inches of mountain snow with wind gusts up to 40 mph.
Expect delays and consider alternate routes, especially with other overnight I‑5 closures south of Bellingham still in place.
Major disaster declarations through FEMA can unlock federal support and funding for recovery needs such as public infrastructure repairs and aid for survivors.
The council could either decide to approve the tax or send it to voters on an advisory vote.
The Skagit County Sheriff’s Office says it does not expect to refer any charges to the prosecutor’s office.