Moderate

* WHAT...Heat index values up to around 108 expected. * WHERE...George, Greene, Perry, Stone, and Wayne Counties. * WHEN...From 11 AM this morning to 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...Temperatures 90 to 98 for Inland Orange County, 90 to 102 for the San Diego County Valleys, 100 to 107 for the Inland Empire and 89 to 100 in the mountains. Temperatures increase slightly for the middle and end of next week, making for a prolonged and dangerous stretch of heat. * WHERE...Orange County Inland Areas, Riverside County Mountains, San Bernardino and Riverside County Valleys-The Inland Empire, San Diego County Mountains, San Diego County Valleys, and Santa Ana Mountains and Foothills.

* WHAT...Temperatures in the mid to upper 90s below 5000 ft MSL. * WHERE...San Bernardino County Mountains. * WHEN...For the Heat Advisory, until 10 AM PDT Tuesday. For the Extreme Heat Watch, from Tuesday morning through Friday evening. * IMPACTS...Heat related illnesses increase significantly during extreme heat events. Hot temperatures 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.

At 648 AM CDT, Doppler radar was tracking a strong thunderstorm over Joinerville, or near Henderson, moving south at 20 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 damage to outdoor objects is possible. Locations impacted include... Henderson, Overton, Troup, New London, Arp, Joinerville, Turnertown, Minden, New Salem, Pinehill, Ponta, New Summerfield,

Be advised of patchy areas of dense fog currently forming along portions of the coastal areas of San Diego County, with visibilities being reported less than a quarter of a mile at San Diego International (Lindbergh Field) within the past hour. Portions of I-5 may also be inundated with patchy areas of dense fog, with poor visibilities. Be sure to stay alert, and give yourself plenty of braking distance. Conditions should improve shortly after sunrise.

* WHAT...Peak heat index values of 106 to 112 and temperatures generally in the 100 to 104 range in the afternoons. * WHERE...Portions of south central and southeast Texas. * WHEN...Until 7 PM CDT Monday. * IMPACTS...Hot temperatures and high humidity may cause heat illnesses. * ADDITIONAL DETAILS...Locally higher heat index values are possible. If forecast heat indices and or temperatures trend higher, then an Excessive Heat Warning may be warranted. Drink plenty of fluids, stay in an air-conditioned room, stay out of

* WHAT...Temperatures from 105 to 109 expected. * WHERE...The Big Country, Heartland, and most of the Concho Valley. * WHEN...From 1 PM this afternoon to 7 PM CDT this evening. * IMPACTS...Hot temperatures may cause heat illnesses. A Heat Advisory means that hot weather conditions are occurring or expected. This will create a situation in which heat illnesses are possible. Never, ever, leave children or pets alone in enclosed vehicles, not even for a few minutes. Car interiors can reach lethal temperatures in a matter of minutes.

* WHAT...Visibility of a half mile or less in dense fog. * WHERE...In North Carolina, Robeson County. In South Carolina, Dillon and Marlboro Counties. * WHEN...Until 9 AM EDT this morning. * IMPACTS...Low visibility could make driving conditions hazardous. If driving, slow down, use your headlights, and leave plenty of distance ahead of you.

* WHAT...Visibility less than one mile in dense fog. * WHERE...Anson, Cumberland, Hoke, Richmond, and Scotland Counties. * WHEN...Until 9 AM EDT this morning. * IMPACTS...Low visibility could make driving conditions hazardous. If driving, slow down, use your headlights, and leave plenty of distance ahead of you. If driving, be on the lookout for sudden changes in visibility, especially when driving near bodies of water.

* WHAT...Temperatures up to 106 expected. * WHERE...Eastern portions of the South Plains. * WHEN...From noon today to 8 PM CDT this evening. * IMPACTS...Hot temperatures 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 or evening. Take action when you see symptoms of heat exhaustion and heat stroke.