Moderate

* WHAT...Heat index values up to 110 degrees expected. * WHERE...Portions of southeast Arkansas, northeast Louisiana, and central northwest, southwest, south central and west central Mississippi. * WHEN...For the first Heat Advisory, until 8 PM CDT this evening. For the second Heat Advisory, from 11 AM to 8 PM CDT Sunday. * IMPACTS...Hot temperatures and high humidity may cause heat related illnesses. Drink plenty of fluids, stay in an air-conditioned room, stay out of the sun, and check up on relatives and neighbors.

At 549 PM MDT, Doppler radar was tracking a cluster of strong thunderstorms along a line extending from near Helena to 9 miles northeast of Boulder. Movement was northeast at 10 mph. HAZARD...Wind gusts of 50 to 55 mph and pea size hail. SOURCE...Radar indicated. IMPACT...Gusty winds could knock down tree limbs and blow around unsecured objects. Minor hail damage to vegetation is possible. Locations impacted include... Helena, East Helena, Montana City, Winston, Alhambra, Corbin, Spring

At 654 PM CDT, Doppler radar was tracking a strong thunderstorm over McRae, or 7 miles southwest of Searcy, moving southeast at 15 mph. HAZARD...Wind gusts up to 50 mph. SOURCE...Radar indicated. IMPACT...Gusty winds could knock down tree limbs and blow around unsecured objects. Locations impacted include... Searcy... Beebe... Higginson... Thurman... McRae... Garner... Griffithville... Vinity Corner...

At 658 PM CDT, Doppler radar was tracking a strong thunderstorm near Humnoke, or 17 miles west of Stuttgart, moving east at 20 mph. HAZARD...Wind gusts up to 50 mph and pea size hail. SOURCE...Radar indicated. IMPACT...Gusty winds could knock down tree limbs and blow around unsecured objects. Minor damage to outdoor objects is possible. Locations impacted include... Stuttgart... England... Humphrey... Humnoke...

At 558 PM MDT, Doppler radar was tracking an outflow boundary extending from 13 miles southeast of Craters Of The Moon to 17 miles south of Southwest Inl to 17 miles northwest of Springfield to 9 miles northwest of Aberdeen. Movement was northeast at 45 mph. HAZARD...Wind gusts of 50 to 55 mph. SOURCE...Radar indicated. IMPACT...Gusty winds could knock down tree limbs and blow around unsecured objects. Locations impacted include... Blackfoot, Atomic City, Rose, Central Inl, Southwest Inl, Taber,

At 801 PM EDT, Doppler radar was tracking a strong thunderstorm over Wendover, or near Hyden, moving east at 25 mph. HAZARD...Wind gusts up to 40 mph and pea size hail. SOURCE...Radar indicated. IMPACT...Gusty winds could knock down tree limbs and blow around unsecured objects. Minor hail damage to vegetation is possible. Locations impacted include... Hyden, Big Fork, Hoskinston, Leatherwood, Essie, Cinda, Bluefield, Red Star, Arthur, Smilax, Daley, Hallie, Gilley, Banks,

At 601 PM MDT, Doppler radar was tracking a cluster of strong thunderstorms along a line extending from near Campbell Creek Campground to 7 miles north of Curtis Gulch Campground. These storms were nearly stationary. HAZARD...Wind gusts up to 50 mph and nickel size hail. SOURCE...Radar indicated. IMPACT...Gusty winds could knock down tree limbs and blow around unsecured objects. Minor hail damage to vegetation is possible. Locations impacted include... Campbell Creek Campground and Boxelder.

At 704 PM CDT, Doppler radar was tracking an outflow boundary along a line extending from near Goree to 10 miles northeast of Swenson. Movement was south at 25 mph. Thunderstorms will soon follow, moving into northern Haskell County. HAZARD...Wind gusts up to 50 mph. SOURCE...Radar indicated. IMPACT...Gusty winds could knock down tree limbs and blow around unsecured objects. Locations impacted include... Haskell, Stamford, Rule, Rochester, Weinert, O'Brien, Irby, Paint

At 808 PM EDT, Doppler radar was tracking a line of strong thunderstorms extending from over Gardens Corner to near Purysburgh, moving southeast at 15 mph. HAZARD...Wind gusts of 50 to 55 mph. SOURCE...Radar indicated. IMPACT...Gusty winds could knock down tree limbs and blow around unsecured objects. Locations impacted include... Bluffton, Beaufort, Port Royal, Ridgeland, Clarendon, Jasper, Hardeeville, Old House, Lemon Island and Calawassie Island. This includes I-95 in South Carolina between mile markers 5 and 22.

At 709 PM CDT, Doppler radar was tracking strong thunderstorms along a line extending from near Thrashers to Furrs. Movement was east at 35 mph. HAZARD...Wind gusts up to 50 mph. SOURCE...Radar indicated. IMPACT...Gusty winds could knock down tree limbs and blow around unsecured objects. Locations impacted include... Tupelo, Booneville, Amory, Fulton, Baldwyn, Red Bay, Verona, Trace State Park, Tombigbee State Park, Tishomingo State Park, Saltillo,