Extreme heat warning in effect for Northern Virginia

TheNationalWeatherServicehasissuedanextremeheatwarningformostofNorthernVirginiatodayasheatandhumiditycombinetomaketemperaturesfeelashotas110degrees. Thewarningisineffectfrom11a.m.to9p.m.forArlington,Alexandria,Fairfax,Loudoun,PrinceWilliam,Stafford,SpotsylvaniaandsouthernFauquier.AheatadvisoryisineffectMondayfornorthernFauquier,Culpeper,OrangeandRappahannockcounties. Temperaturesriseintotheupper90stoaround100degreestoday,withdangerouslyhighheadindexvalues,theweatherservicesaid. Heat-relatedillnessesincreasesignificantlyduringextremeheatandhighhumidityevents.TheNWSadvisesdrinkingplentyoffluids,stayinginanair-conditionedroomandstayingoutofthesun.Theyalsoremindresidenttocheckuponrelativesandneighborsandtoneverleavechildrenorpetsinvehicles,whichcanreachlethalinteriortemperaturesinminutes. FairfaxCountyhasactivateditsheatplanfor Monday inresponsetotheforecast.Whentheheatplanisactivated, coolingcenters withsuppliesaroundthecountywillbea