Moderate

* WHAT...Heat index values of 100 to 105 expected on Saturday. * WHERE...Tarrant, Dallas, Wise, Denton, Collin, Hunt, Parker, Hood, Somervell, Johnson, Ellis, Rockwall, Navarro, and Kaufman counties. * WHEN...From noon to 9 PM CDT Saturday. * IMPACTS...Hot temperatures and high humidity may cause heat-related illnesses. * ADDITIONAL DETAILS...Those who will be participating in activities outside with large crowds should take extra precautions to protect themselves and others from heatstroke and heat exhaustion.

At 227 PM EDT, Doppler radar was tracking a strong thunderstorm 9 miles southwest of Palm Bay, moving south at 5 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 hail damage to vegetation is possible. Locations impacted include... Palm Bay. If outdoors, consider seeking shelter inside a building.

At 228 PM EDT, Doppler radar was tracking a cluster of strong thunderstorms 7 miles northwest of Cohutta, or 8 miles north of Ringgold, moving east at 20 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... Wildwood Lake, South Cleveland, Collegedale, McDonald, Conasauga, Red Clay State Park, Flint Springs, Apison, Gap Springs, and Ooltewah. If outdoors, consider seeking shelter inside a building.

* WHAT...Heat index values up to 97. * WHERE...Portions of southwest and western Maine and central, northern, and southern New Hampshire. * WHEN...Until 8 PM EDT 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...Warm air temperatures in the 80s to low 90s may cause people to underestimate the dangers of the cold water temperatures in the low to mid 50s. * WHERE...In Maine, Coastal York, Coastal Cumberland, Sagadahoc, Lincoln, Knox and Coastal Waldo Counties. In New Hampshire, Coastal Rockingham County. * WHEN...From Saturday morning through Saturday evening. * IMPACTS...The cold water temperatures can quickly cause hypothermia to anyone immersed in the water. When the water

* WHAT...Wet snow expected for the Beartooth Highway. Total snow accumulations up to three inches. Greatest accumulations above 9000 feet. * WHERE...Absaroka/Beartooth Mountains. * WHEN...From 6 PM this evening to noon MDT Saturday. * IMPACTS...Travel on the Beartooth Highway will be impacted by wintry conditions, mainly at elevations above Vista Point. * ADDITIONAL DETAILS...Those with recreation plans in the high country should be prepared for wintry conditions.

* WHAT...Heat index values up to 103 degrees expected. * WHERE...In Delaware, New Castle County. In New Jersey, Mercer, Camden, Gloucester, and Northwestern Burlington Counties. In Pennsylvania, Delaware, Eastern Chester, Eastern Montgomery, Lower Bucks, and Philadelphia Counties. * WHEN...Until 8 PM EDT this evening. * IMPACTS...Hot temperatures and high humidity may cause heat illnesses. * ADDITIONAL DETAILS...Conditions will turn much less humid this weekend in the wake of a cold front tonight, however high

* WHAT...Heat index values up to 101 degrees expected. * WHERE...Portions of northern and northwest New Jersey and east central and southeast Pennsylvania. * WHEN...Until 8 PM EDT this evening. * IMPACTS...Hot temperatures and high humidity may cause heat illnesses. * ADDITIONAL DETAILS...Conditions will turn much less humid this weekend in the wake of a cold front tonight, however high temperatures will remain in the mid 80s to near 90 degrees. Drink plenty of fluids, stay in an air-conditioned room, stay out of

* WHAT...Heat index values up to 103 degrees expected. * WHERE...Eastern Monmouth County. * WHEN...Until 8 PM EDT this evening. * IMPACTS...Hot temperatures and high humidity may cause heat illnesses. * ADDITIONAL DETAILS...Conditions will turn much less humid this weekend in the wake of a cold front tonight, however high temperatures will remain in the mid 80s to near 90 degrees. Drink plenty of fluids, stay in an air-conditioned room, stay out of the sun, and check up on relatives and neighbors.

* WHAT...Heat index values up to 102 degrees expected. * WHERE...Western Monmouth, Middlesex, Ocean, and Southeastern Burlington Counties. * WHEN...Until 8 PM EDT this evening. * IMPACTS...Hot temperatures and high humidity may cause heat illnesses. * ADDITIONAL DETAILS...Conditions will turn much less humid this weekend in the wake of a cold front tonight, however high temperatures will remain in the upper 80s to near 90 degrees. Drink plenty of fluids, stay in an air-conditioned room, stay out of