Moderate

* WHAT...Northwest winds 20 to 30 mph with gusts up to 45 mph. * WHERE...Strongest winds will be east of Mountain Home and over high terrain in south-central Idaho. * WHEN...Until 7 PM MDT this evening. * IMPACTS...Gusty winds will blow around unsecured objects. Tree limbs could be blown down and a few power outages may result. Winds this strong can make driving difficult, especially for high profile vehicles. Use extra caution.

* WHAT...Heat index values up to 99 expected. * WHERE...Franklin County, Hampshire County, Hampden County, Hartford CT, Tolland CT, and Windham CT. * WHEN...From noon Thursday to 8 PM EDT Friday. * 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...High waves and dangerous currents expected. * WHERE...Beaches along Lake Michigan in Door, Kewaunee and Manitowoc Counties. * WHEN...From 4 PM CDT this afternoon through 7 AM CDT Thursday. * 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 229 PM EDT, Doppler radar was tracking a cluster of strong thunderstorms along a line extending from near Charlotte Court House to near Mountain Valley. Movement was east at 35 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. Locations impacted include... South Boston... Halifax... Chatham... Keysville... Charlotte Court House... Ingram...

* WHAT...Heat index values up to 100 degrees expected. * WHERE...Eastern Monmouth County. * WHEN...From 11 AM to 8 PM EDT Thursday. * IMPACTS...Hot temperatures and high humidity may cause heat illnesses. * ADDITIONAL DETAILS...Some showers and thunderstorms late Thursday afternoon and again late Friday afternoon will provide some local relief from the heat, however it will still remain very humid. It will then turn much less humid this weekend in the wake of a cold front.

* WHAT...Heat index values up to 102 degrees expected. * WHERE...Berks, Lehigh, Northampton, Upper Bucks, Western Chester, and Western Montgomery Counties. * WHEN...From 11 AM Thursday to 8 PM EDT Friday. * IMPACTS...Hot temperatures and high humidity may cause heat illnesses. * ADDITIONAL DETAILS...Some showers and thunderstorms later Thursday afternoon and again later Friday afternoon will provide some local relief from the heat, however it will still remain very humid. It

* WHAT...Heat index values up to 102 degrees expected. * WHERE...Western Monmouth, Middlesex, Morris, Somerset, Sussex, Warren, Hunterdon, Ocean, and Southeastern Burlington Counties. * WHEN...From 11 AM Thursday to 8 PM EDT Friday. * IMPACTS...Hot temperatures and high humidity may cause heat illnesses. * ADDITIONAL DETAILS...Some showers and thunderstorms later Thursday afternoon and again later Friday afternoon will provide some local relief from the heat, however it will still remain very humid. It

* WHAT...Heat index values up to 104 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...From 11 AM Thursday to 8 PM EDT Friday. * IMPACTS...Hot temperatures and high humidity may cause heat illnesses. * ADDITIONAL DETAILS...Some showers and thunderstorms later Thursday

* WHAT...High temperatures between 90 and 103 for interior valleys and higher elevations. High temperatures between 85 and 96 degrees for the Bay Shoreline. * WHERE...North Bay Interior Mountains and Valleys, and San Francisco Bay Shoreline. * WHEN...From noon to 11 PM PDT Thursday. * IMPACTS...This level of heat affects most individuals sensitive to heat, especially those without effective cooling and/or adequate hydration. Impacts possible in some health systems and in heat-sensitive industries.

* WHAT...Temperatures between 90 and 95 for most areas, with some readings above 100 degrees. Hottest conditions across the East Bay Hills and Valleys. * WHERE...The Santa Clara Valley and Eastern Hills, and The East Bay Hills and Valleys. * WHEN...From noon Thursday to 7 PM PDT Friday. * IMPACTS...This level of heat affects primarily those individuals extremely sensitive to heat, especially when outdoors without effective cooling and/or adequate hydration. This level of heat