Weather Alerts For Lamar, MS

# HEADLINE -------------------- HEAT ADVISORY NOW IN EFFECT UNTIL 8 PM CDT SUNDAY # DETAILS -------------------- WHAT Heat index values of 100 to 109. Actual air temperatures as high as 102 in the afternoon. WHERE Portions of East Arkansas, North Mississippi, Southeast Missouri, and West Tennessee. WHEN Until 8 PM CDT Sunday. IMPACTS Hot temperatures and moderate humidity may cause heat illnesses, especially given the long duration of the heat wave. ISSUED AT Thursday, September 3, 2026 at 11:50 PM CDT ISSUED BY National Weather Service Memphis TN HEADER URGENT - WEATHER MESSAGE # PRECAUTIONARY/PREPAREDNESS ACTIONS -------------------- Drink plenty of fluids, stay in an air-conditioned room, stay out of the sun, and check up on relatives and neighbors. # AREAS AFFECTED -------------------- Chester, Gibson, Panola, Yalobusha, Alcorn, Benton MS, Benton TN, Calhoun, Carroll, Chickasaw, Clay, Coahoma, Craighead, Crittenden, Crockett, Cross, Decatur, DeSoto, Dunklin, Dyer, Fayette, Greene, Hardeman, Hardin, Haywood, Henderson, Henry, Itawamba, Lafayette, Lake, Lauderdale, Lee AR, Lee MS, Madison, Marshall, McNairy, Mississippi, Monroe, Obion, Pemiscot, Phillips, Poinsett, Pontotoc, Prentiss, Quitman, Shelby, St. Francis, Tallahatchie, Tate, Tippah, Tipton, Tishomingo, Tunica, Union, Weakley Including the cities of New Albany, Pontotoc, Iuka, Oakland, Ashland, Decaturville, Tunica, Millington, Tiptonville, Caruthersville, Marks, Savannah, Blytheville, Henderson, Booneville, Aberdeen, Dyersburg, Oxford, Holly Springs, Union City, Milan, Alamo, Okolona, Clarksdale, Bruce, Batesville, Senatobia, Bolivar, Piggott, Water Valley, Humboldt, Collierville, Germantown, Corning, Southaven, Lexington, Brownsville, Memphis, Fulton, Marianna, Forrest City, Tupelo, Jackson, Jonesboro, West Memphis, Coffeeville, Huntingdon, Dresden, Parsons, Bartlett, Selmer, Ripley TN, Covington, Corinth, Kennett, Charleston, Houston, Martin, Ripley MS, Camden, Calhoun City, Olive Branch, Harrisburg, Amory, Helena-West Helena, Paragould, Somerville, Paris, and Wynne

Pollen Index: 10.3 Pollen Level: high Predominant Pollen: Ragweed, Chenopods and Ragweed. Concentration of pollen grains in the air for Friday will be unchanged in the very high range. This is a result of stable temperatures. Constant and seasonally normal weather conditions tend to stabilize pollen concentrations in the outdoor air.