Moderate

* WHAT...Heat index values up to 109 expected. * WHERE...Portions of central, eastern, north central, southeast, and western Arkansas. * WHEN...From noon 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 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

At 1021 AM MDT, Doppler radar was tracking a strong thunderstorm 20 miles south of Clawson, or 39 miles southeast of Manti, moving northeast at 40 mph. HAZARD...Wind gusts of 50 to 55 mph and half inch hail. SOURCE...Radar indicated. IMPACT...Gusty winds could knock down tree limbs and blow around unsecured objects. Minor damage to outdoor objects is possible. This storm will remain over mainly rural areas of central Emery County. This includes the following highways...

At 1225 PM AST, Doppler radar was tracking a strong thunderstorm entering southeastern Puerto Rico, moving west at 15 mph. HAZARD...Wind gusts up to 40 mph. SOURCE...Radar indicated. IMPACT...Gusty winds could knock down tree limbs and blow around unsecured objects. Locations impacted include... Guayama, Patillas, San Lorenzo, Cayey, Caguas, Cidra, Arroyo, Juncos, Yabucoa, Maunabo, Las Piedras, Comerio, Aibonito, Humacao, Barranquitas, Salinas, Naguabo, Emajagua, Buena Vista and Playita.

* WHAT...Dangerous rip currents. * WHERE...Walton County Beaches. * WHEN...Through this evening. * 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 107 expected. * WHERE...Southern Crawford, Central and Southern Franklin, and North and Central Sebastian Counties. * WHEN...From noon to 8 PM CDT Monday. * 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...For the first Heat Advisory, heat index values up to 106 expected. For the second Heat Advisory, heat index values up to 107 expected. * WHERE...Mayes, Nowata, Rogers, Southeast Osage, Tulsa, Wagoner, and Washington OK Counties. * WHEN...For the first Heat Advisory, until 8 PM CDT this evening. For the second Heat Advisory, from noon to 8 PM CDT Monday. * IMPACTS...Heat related illnesses are possible especially impacting those not acclimated to the conditions or those performing strenuous activities.

* WHAT...Heat index values up to 105 expected. * WHERE...Craig, Creek, Northeast Osage, Pawnee, and Western Osage Counties. * 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 or evening. Take action when you see symptoms of heat exhaustion and

* WHAT...For the first Heat Advisory, heat index values up to 106 expected. For the second Heat Advisory, heat index values up to 107 expected. * WHERE...Mayes, Nowata, Rogers, Southeast Osage, Tulsa, Wagoner, and Washington OK Counties. * WHEN...For the first Heat Advisory, until 8 PM CDT this evening. For the second Heat Advisory, from noon to 8 PM CDT Monday. * IMPACTS...Heat related illnesses are possible especially impacting those not acclimated to the conditions or those performing strenuous activities.

* WHAT..Life-threatening rip currents. * WHERE...Beaches of northern, eastern and southeastern Puerto Rico, Vieques, Culebra, and the U.S. Virgin Islands. * WHEN...Through Monday afternoon. * IMPACTS...Rip currents can sweep even the best swimmers away from shore into deeper water, where it becomes difficult to return to safety. There is a high risk of rip currents. Rip currents are powerful channels of water flowing quickly away from shore, which occur most often at low spots or breaks in the

* WHAT...High waves and dangerous currents expected. * WHERE...Beaches along Lake Michigan in Door, Kewaunee and Manitowoc Counties. * WHEN...Until 5 PM CDT this afternoon. * IMPACTS...Dangerous swimming conditions are expected. Strong currents can pull swimmers into deeper water and high waves can sweep people off piers. * ADDITIONAL DETAILS...Several beaches that will be most susceptible to the dangerous swimming conditions include... Rock Island State Beach, Baileys Harbor beaches and Whitefish