Active AlertsForest Park, Portland, OR

What: Temperatures of 32 to 36 degrees will result in frost formation.
Where: In Oregon, Lower Columbia River and Portland West Hills and Chehalem Mountain. In Washington, Willapa Hills.
When: From 1 AM to 9 AM PDT Thursday.
Impacts: Frost could harm sensitive outdoor vegetation.

Take steps now to protect tender outdoor plants from the cold. Consider temporarily moving outdoor potted plants indoors if they are sensitive to cold temperatures, or temporarily covering sensitive plants with a lightweight cotton fabric (i.e., bedsheets, thin blankets), as this will help retain heat and provide frost protection for your plants.