Moderate

* WHAT...High waves and dangerous currents expected. * WHERE...Beaches along Lake Michigan in Door, Kewaunee and Manitowoc Counties. * WHEN...From this evening through Friday morning. * 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

At 1024 AM CDT, Doppler radar was tracking strong thunderstorms along a line extending from near Menominee to near Mount Carroll. Movement was northeast at 65 mph. HAZARD...Wind gusts of 50 to 55 mph. SOURCE...Radar indicated. IMPACT...Gusty winds could knock down tree limbs and blow around unsecured objects. Locations impacted include... Beloit, Monroe, Dodgeville, Brodhead, Mineral Point, Darlington, New Glarus, Orfordville, Shullsburg, Monticello, Albany, Belmont, Benton,

* WHAT...Heat index values up to 105. * WHERE...A portion of central North Carolina, including the Coastal Plain and eastern portions of the Piedmont and Sandhills. * 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 on relatives and neighbors. To reduce risk during outdoor work, the Occupational Safety and Health Administration recommends scheduling frequent rest breaks in

* WHAT...Heat index values up to 97 expected. * WHERE...Auglaize, Hardin, and Mercer Counties. * WHEN...Until 8 PM EDT this evening. * IMPACTS...Hot temperatures and high humidity may cause heat illnesses. Drink plenty of fluids, stay in air-conditioned rooms, 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

The combination of temperatures in the upper 80s to around 90 and high humidity will result in the heat index reaching 95 to 100 degrees this afternoon. If planning to be outdoors for extended periods today, drink plenty of water, wear light and loose clothing, and take frequent breaks.

* WHAT...High wave action, strong currents, and dangerous swimming conditions expected. Piers may be heavily swamped by waves. * WHERE...Mason, Oceana, Muskegon, Ottawa, Allegan and Van Buren counties. * WHEN...From this evening through Friday morning. * IMPACTS...Strong currents can pull swimmers into deeper water and high waves can sweep people off piers. * ADDITIONAL DETAILS...Winds will increase this evening out of the southwest building waves to 3 to 6 feet tonight. The waves

Strong northeasterly wind gusts not associated with thunderstorms have developed across part of the U.S. Highway 20 region in eastern Iowa. Waterloo Airport gusted to over 60 mph with isolated wind damage reported. While winds are not expected to be that strong to the east, gusts over 40 mph are expected for parts of Benton, Buchanan, Delaware, and northern Linn Counties. These should persist through 11 to 1130 AM. Expect temporary difficult driving conditions for high profile vehicles.

* WHAT...Heat index values up to 105 expected. * WHERE...Areas near and east of the Interstate 95 corridor from northeast to southern Maryland and the northern neck of Virginia, including Baltimore MD and Washington DC. * 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

* WHAT...Dangerous rip currents and breaking waves due to elevated surf of 3 to 6 feet with local sets to 7 feet on south facing beaches. * WHERE...Ventura County Beaches. * WHEN...Through this evening. * IMPACTS...There is an increased risk of ocean drowning. Rip currents can pull swimmers and surfers out to sea. Waves can wash people off beaches and rocks, and capsize small boats nearshore. Remain out of the water due to hazardous swimming conditions, or

* WHAT...Northwest winds 30 to 40 mph with gusts up to 50 mph. * WHERE...Portions of northwestern and southwestern South Dakota. * WHEN...Until 5 PM MDT this afternoon. * IMPACTS...Sudden wind gusts can cause drivers to lose control, especially in lightweight or high profile vehicles. Strong winds can cause blowing dust, reduced visibility, and flying debris. Winds this strong can make driving difficult, especially for high profile vehicles. Use extra caution.