Active AlertsSaint Paul, OR

What: Temperatures as low as 34 to 36 degrees will result in frost formation.
Where: Central and Southern Willamette Valley, Tualatin Valley, and Inner Vancouver Metro.
When: From 11 PM this evening to 9 AM PDT Wednesday.
Impacts: Frost could harm sensitive outdoor vegetation. Sensitive outdoor plants may be killed if left uncovered.

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. Consider 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.