Moderate

The combination of hot temperatures and high humidity levels will produce heat index values between 108 and 111 degrees for several hours this afternoon into this evening. A few locations may briefly experience heat index values above 111 degrees. If spending time outside on Sunday, drink plenty of water, wear light weight and light colored clothing, and take frequent breaks from the heat. Young children and pets should never be left unattended in vehicles.

* WHAT...High temperatures of 92 to 105 expected, with most areas seeing peak heat on Wednesday and Thursday. Low temperatures are expected to range from the upper 60s to lower 70s at lower elevations to the mid 70s to lower 80s in the foothills and mountains. * WHERE...A portion of southwest California. * WHEN...From 10 AM Tuesday to 8 PM PDT Thursday. * IMPACTS...Hot temperatures may cause heat illnesses. Warmer than normal low temperatures will add to the heat discomfort.

At 745 AM CDT, Doppler radar was tracking a strong thunderstorm near Russell, or 13 miles northwest of Augusta, moving southeast at 25 mph. HAZARD...Winds in excess of 40 mph. SOURCE...Radar indicated. IMPACT...Gusty winds could knock down tree limbs and blow around unsecured objects. Locations impacted include... Augusta... Bald Knob... Russell... Hurricane Lake WMA... Bradford... Worden...

At 757 AM CDT, Doppler radar indicated a strong thunderstorm over Keystone State Park, moving east at 35 mph. HAZARD...Wind gusts up to 40 mph. SOURCE...Radar indicated. IMPACT...Gusty winds could knock down small tree limbs and blow around unsecured objects. Locations in or near the path include... Tulsa... Sand Springs... Sapulpa... Jenks... Skiatook... Mannford... Sperry... Westport...

Fog has developed this morning with light winds for a corridor from Karnes into Lavaca county. Visibility is currently trending of around 1 mile or less with patchy dense fog at times to around 1/8 to 1/4 of a mile. Expect for the visibility to quickly improve within two hours after sunrise. Drivers use caution by slowing down, allowing extra room between your vehicle and the vehicle in front of you, and keep on the low beam headlights.

* WHAT...Heat index values up to 109. * WHERE...Portions of east central Georgia and central South Carolina. * WHEN...Until 8 PM EDT this evening. * IMPACTS...Hot temperatures and high humidity may cause heat illnesses. 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. Do not leave young children and pets in unattended vehicles. Car

* WHAT...Heat index values up to 112 expected. * WHERE...Portions of south central and southwest Alabama, northwest Florida, and southeast Mississippi. * 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

At 729 AM CDT, Doppler radar indicated a strong thunderstorm over Jennings, moving east at 40 mph. HAZARD...Wind gusts up to 50 mph. SOURCE...Radar indicated. IMPACT...Gusty winds could knock down small tree limbs and blow around unsecured objects. Locations in or near the path include... Cleveland... Mannford... Oilton... Jennings... Westport... Osage... Hallett... Terlton...

* WHAT...Heat index values up to 110 expected. * WHERE...Portions of central, south central, southwest, and west central Louisiana and southeast Texas. * 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

At 648 AM CDT, Doppler radar indicated strong thunderstorms along a line extending from 2 miles north of Morrison to 7 miles north of Ripley to near Perkins. Movement was east at 40 mph. HAZARD...Wind gusts up to 50 mph. SOURCE...Radar indicated. IMPACT...Gusty winds could knock down small tree limbs and blow around unsecured objects. Locations in or near the path include... Pawnee... Cleveland... Drumright... Oilton... Jennings... Osage...