Moderate

At 244 AM EDT, a strong thunderstorm was located near Onley, or 15 miles northeast of Exmore, moving east at 40 mph. Winds in excess of 40 mph are possible with this storm. Locations impacted include... Exmore, Onancock, Parksley, Onley, Nassawadox, Willis Wharf, Accomac, Melfa, Bloxom, Saxis, Wachapreague, Painter, Hallwood, Keller, Harborton, Mappsville, Franktown, Wallops Island, Temperanceville, and Nelsonia.

* WHAT...South winds 15 to 25 mph with gusts up to 35 mph expected. Wave heights of 2 to 4 feet expected. * WHERE...Lake Mohave, and Lake Mead. * WHEN...From 10 AM PDT /10 AM MST/ to 8 PM PDT /8 PM MST/ Friday. * IMPACTS...Strong winds and rough waves on area lakes will create hazardous conditions for small craft. Winds this strong can make driving difficult, especially for high profile vehicles. Use extra caution.

* WHAT...Visibility one quarter mile or less in dense fog. * WHERE...Much of northwest and north central North Dakota. * WHEN...Until 10 AM CDT 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...Heat index values up to 105 degrees each afternoon. * WHERE...Ellis, Rush, Barber, Comanche, Edwards, Kiowa, Pawnee, Pratt, and Stafford Counties. * WHEN...Until 8 PM CDT Sunday. * 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. To reduce risk during outdoor work, the Occupational Safety and Health Administration recommends scheduling frequent rest breaks in

* WHAT...Southeast winds 15 to 25 mph with gusts up to 30 mph expected. * WHERE...Fort Peck Lake. * WHEN...From 6 AM this morning to 2 PM MDT this afternoon. * IMPACTS...Strong winds and rough waves on area lakes will create hazardous conditions for small craft. * ADDITIONAL DETAILS...The strongest winds will be over the eastern half of the lake. Wave up to 4 feet are expected. Boaters on Fort Peck Lake should use extra caution since strong winds and rough waves can overturn small craft.

* WHAT...Heat index values up to 108 expected. * WHERE...Portions of southeast North Carolina and northeast South Carolina. * WHEN...From 11 AM this morning to 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.

* WHAT...Increased risk of sneaker waves and strong rip currents due to incoming long period southerly swell associated with tropical activity in the Eastern Pacific Ocean. Breaking waves to around 10 feet expected. * WHERE...Pacific Coast beaches. * WHEN...From Friday morning through Monday evening. * IMPACTS...Dangerous conditions are forecast along the shoreline. Hazards include sneaker waves, strong rip currents, and large breaking waves. Stay off of jetties, piers, rocks, and other waterside

* WHAT...Increased threat of sneaker waves expected. * WHERE...Southwestern Humboldt and Coastal Mendocino Counties. * WHEN...From late Friday night through Monday evening. * IMPACTS...Large, unexpected waves can sweep across the beach without warning, sweeping people into the sea from rocks, jetties, and beaches. These sneaker waves can also move large objects such as logs, crushing anyone caught underneath. Don't be fooled by an ocean that looks calm. There can be

* WHAT...Heat index values up to 105 expected. * WHERE...Dewey, Harper, Woodward, Beckham, Custer, and Washita Counties. * WHEN...From 1 PM this afternoon to 7 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...Heat index values up to 109 expected. * WHERE...Portions of central, east central, northern, northwest, southeast, southern, and southwest Oklahoma and northern Texas. * WHEN...From 1 PM this afternoon to 7 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.