CLINTON

.A ridge of high pressure over the central and southern Plains will build over Arkansas the next couple of days. Under the ridge, temperatures will be in the 90s, and humid conditions will create heat index values above 105 degrees across much of the region. Any precipitation will be isolated. ...HEAT ADVISORY IN EFFECT FROM 1 PM THIS AFTERNOON TO 9 PM CDT THIS EVENING... ...HEAT ADVISORY IN EFFECT FROM 1 PM TO 9 PM CDT TUESDAY... The National Weather Service in Little Rock has issued a Heat Advisory, which is in effect from 1 PM this afternoon to 9 PM CDT this evening. A Heat Advisory has also been issued from 1 PM to 9 PM CDT Tuesday. * EVENT...Hot and humid conditions will be noted today and Tuesday. * AREAS AFFECTED...Much of Arkansas except the Ozark Mountains of the north. * TEMPERATURE...Highs will be in the 90s, with heat index values from 100 to 110 degrees. * IMPACTS...Hot weather will increase the risk of heat related illness, including heat exhaustion and heat stroke. The very young, the elderly, and those without access to air conditioning will be especially vulnerable.