...Frost/Freeze Program Update for Spring 2026... The frost/freeze program will expand northward on Thursday, May 21st to include most of northern and eastern Maine. The exceptions are northern Somerset, northern Piscataquis, and northwestern Aroostook counties, which will become active on June 1st. A frost advisory will be issued if the temperatures are expected to drop to 32 to 36 degrees, and a freeze warning will be issued if temperatures are expected to drop below freezing. If you have any questions, please direct them to carwebmaster@noaa.gov. $$ ASB