The National Weather service has issued a Frost Advisory to be in effect from October 12, 02:00 AM EDT until October 12, 08:00 AM EDT:
URGENT – WEATHER MESSAGE
NATIONAL WEATHER SERVICE NORTHERN INDIANA
349 PM EDT SAT OCT 11 2014…FROST ADVISORY TONIGHT…
HIGH PRESSURE OVER THE GREAT LAKES WILL RESULT IN MOSTLY CLEAR SKIES AND BELOW NORMAL TEMPERATURES ACROSS OUR AREA TONIGHT. LOW TEMPERATURES ARE EXPECTED TO BE IN THE LOWER TO MIDDLE 30S WITH AREAS OF FROST.
[…] …FROST ADVISORY IN EFFECT FROM 2 AM EDT /1 AM CDT/ TO 8 AM EDT
/7 AM CDT/ SUNDAY…THE NATIONAL WEATHER SERVICE IN NORTHERN INDIANA HAS ISSUED A FROST ADVISORY…WHICH IS IN EFFECT FROM 2 AM EDT /1 AM CDT/ TO 8 AM EDT /7 AM CDT/ SUNDAY.
HAZARDOUS WEATHER…
* TEMPERATURES ARE EXPECTED TO FALL RAPIDLY THIS EVENING UNDER MOSTLY CLEAR SKIES AND LIGHT WINDS. AREAS OF FROST SHOULD FORM BY LATE TONIGHT AS TEMPERATURES FALL TO THE LOWER TO MIDDLE 30S.
IMPACTS…
* THE FROST MAY KILL SENSITIVE OUTDOOR PLANTS.
PRECAUTIONARY/PREPAREDNESS ACTIONS…
A FROST ADVISORY MEANS THAT FROST IS POSSIBLE. SENSITIVE OUTDOOR PLANTS MAY BE KILLED IF LEFT UNCOVERED.