Moderate

* WHAT...Heat index values 105 to 110 expected. * WHERE...Portions of northwest and west central Arkansas and east central, northeast, and southeast Oklahoma. * WHEN...Until 8 PM CDT this evening. * IMPACTS...Heat related illnesses are possible especially impacting those not acclimated to the conditions or those performing strenuous activities. Take extra precautions when outside. Wear lightweight and loose fitting clothing. Try to limit strenuous activities to early morning

* WHAT...Dangerous rip currents expected. * WHERE...Nantucket MA County. * WHEN...From Monday morning through Monday afternoon. * IMPACTS...Rip currents can sweep even the best swimmers away from shore into deeper water. Swim near a lifeguard. If caught in a rip current, relax and float. Don't swim against the current. If able, swim in a direction following the shoreline. If unable to escape, face the shore and call or wave for help.

* WHAT...Heat index values up to 105. * WHERE...Bradley, Cleveland, Desha, Drew, Lincoln, Calhoun, Clark, Dallas, Ouachita, and Pike Counties. * WHEN...Until 8 PM CDT this evening. * IMPACTS...Hot temperatures and high humidity may cause heat illnesses. Drink plenty of fluids, stay in an air-conditioned room, stay out of the sun, and check up on relatives and neighbors.

* WHAT...For the first Heat Advisory, heat index values up to 111. For the second Heat Advisory, heat index values up to 110 expected. * WHERE...Portions of central, south central, southwest, and west central Louisiana and southeast Texas. * WHEN...For the first Heat Advisory, until 8 PM CDT this evening. For the second Heat Advisory, from 11 AM to 8 PM CDT Monday. * IMPACTS...Hot temperatures and high humidity may cause heat illnesses. Drink plenty of fluids, stay in an air-conditioned room, stay out of

* WHAT...For the first Heat Advisory, heat index values up to 111. For the second Heat Advisory, heat index values up to 110 expected. * WHERE...Portions of central, south central, southwest, and west central Louisiana and southeast Texas. * WHEN...For the first Heat Advisory, until 8 PM CDT this evening. For the second Heat Advisory, from 11 AM to 8 PM CDT Monday. * IMPACTS...Hot temperatures and high humidity may cause heat illnesses. Drink plenty of fluids, stay in an air-conditioned room, stay out of

At 1232 PM EDT, Doppler radar was tracking a strong thunderstorm over Watkins Glen, moving northeast at 40 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... Hector, Lansing, Enfield, Covert, Ledyard, Watkins Glen, Trumansburg, Montour Falls, Interlaken, and Burdett. If outdoors, consider seeking shelter inside a building.

* WHAT...Heat index values up to 109. * WHERE...Union, Columbia, Hempstead, Howard, and Nevada Counties. * WHEN...Until 8 PM CDT this evening. * IMPACTS...Hot temperatures and high humidity may cause heat illnesses. Drink plenty of fluids, stay in an air-conditioned room, stay out of the sun, and check up on relatives and neighbors. Take extra precautions when outside. Wear lightweight and loose fitting clothing. Try to limit strenuous activities to early morning

* WHAT...Heat index values up to 109 expected. * WHERE...Portions of southwest Arkansas, north central and northwest Louisiana, southeast Oklahoma, and east and northeast Texas. * WHEN...Until 8 PM CDT Monday. * IMPACTS...Hot temperatures and high humidity may cause heat illnesses. Drink plenty of fluids, stay in an air-conditioned room, stay out of the sun, and check up on relatives and neighbors. Take extra precautions when outside. Wear lightweight and loose

* WHAT...Heat index values up to 112 degrees expected. * WHERE...Portions of southeast Louisiana and southern Mississippi. * WHEN...Until 8 PM CDT this evening. * IMPACTS...Hot temperatures and high humidity may cause heat illnesses. Drink plenty of fluids, stay in an air-conditioned room, stay out of the sun, and check up on relatives and neighbors.

* WHAT...For the Heat Advisory, temperatures up to 107 expected. For the Extreme Heat Warning, dangerously hot conditions with temperatures up to 113 expected. * WHERE...Dickens, Garza, Kent, King, and Stonewall. * WHEN...For the Heat Advisory, until 8 PM CDT this evening. For the Extreme Heat Warning, from noon to 8 PM CDT Monday. * IMPACTS...Heat related illnesses increase significantly during extreme heat events. Hot temperatures may cause heat illnesses.