Freeze Warning issued September 30 at 3:19AM EDT until October 01 at 8:00AM EDT by NWS

...Cold temperatures and frost expected tonight... ...FREEZE WARNING IN EFFECT FROM MIDNIGHT TONIGHT TO 8 AM EDT SUNDAY... The National Weather Service in Gray has issued a Freeze Warning, which is in effect from midnight tonight to 8 AM EDT Sunday. * Temperatures...In the lower 30s.

from Current Watches, Warnings and Advisories for the United States Issued by the National Weather Service http://ift.tt/2fA8P1U