The season’s first below freezing temperatures could arrive late tonight and last until tomorrow morning, according to the National Weather Service.

Temperatures should drop into the upper 20′s and lower 30′s, according to the NWS, which this afternoon issued a freeze warning for much of the Washington D.C. area, including Montgomery County:

… FREEZE WARNING IN EFFECT FROM MIDNIGHT TONIGHT TO 9 AM EDT SATURDAY…

THE NATIONAL WEATHER SERVICE IN BALTIMORE MD/WASHINGTON HAS ISSUED A FREEZE WARNING… WHICH IS IN EFFECT FROM MIDNIGHT TONIGHT TO 9 AM EDT SATURDAY. THE FREEZE WATCH IS NO LONGER IN EFFECT.

* TEMPERATURES… IN THE UPPER 20S TO LOWER 30S.

* IMPACTS… UNPROTECTED VEGETATION SENSITIVE TO FREEZING TEMPERATURES WILL BE AT RISK.

PRECAUTIONARY/PREPAREDNESS ACTIONS…

A FREEZE WARNING MEANS SUB-FREEZING TEMPERATURES ARE IMMINENT OR HIGHLY LIKELY. THESE CONDITIONS WILL KILL CROPS AND OTHER SENSITIVE VEGETATION.