Frost Advisory... Again!

For the second night in a row, most of the Stateline is under a frost advisory. (Stephenson county is actually under a freeze warning!) Here it is in writing from the NWS office in Romeoville:

INCLUDING THE CITIES OF...ROCKFORD...BELVIDERE...WOODSTOCK...
WAUKEGAN...OREGON...DIXON...DEKALB...AURORA...WHEATON...CHICAGO...
OTTAWA...OSWEGO...MORRIS...JOLIET

402 PM CDT TUE MAY 3 2011
...FROST ADVISORY IN EFFECT FROM 4 AM TO 8 AM CDT WEDNESDAY...
THE NATIONAL WEATHER SERVICE IN CHICAGO HAS ISSUED A FROST
ADVISORY...WHICH IS IN EFFECT FROM 4 AM TO 8 AM CDT WEDNESDAY.
* TEMPERATURE...TEMPERATURES WILL DROP INTO THE LOWER TO MIDDLE
30S OVER PORTIONS OF NORTHERN ILLINOIS DURING THE EARLY MORNING
HOURS AS SKIES CLEAR AND WINDS BECOME LIGHT. THIS SHOULD LEAD TO
AREAS OF FROST. LOCATIONS ALONG THE LAKE FRONT AND NEAR DOWNTOWN CHICAGO SHOULD REMAIN A LITTLE WARMER...SO FROST IS NOT EXPECTED
THERE.

* IMPACTS...FROST CAN KILL OR DAMAGE SENSITIVE VEGETATION. THE
APPROPRIATE ACTIONS SHOULD BE TAKEN TO PREVENT THIS.
PRECAUTIONARY/PREPAREDNESS ACTIONS...

A FROST ADVISORY MEANS THAT FROST IS POSSIBLE. SENSITIVE OUTDOOR
PLANTS MAY BE KILLED IF LEFT UNCOVERED.