Moderate

At 118 AM EDT, Doppler radar was tracking strong thunderstorms along a line extending from near Almont to near Clinton Township to near Grosse Ile. Movement was east at 50 mph. HAZARD...Wind gusts around 50 mph. SOURCE...Radar indicated. IMPACT...Gusty winds could knock down tree limbs and blow around unsecured objects. Strong thunderstorms will be near... St. Clair Shores, Mount Clemens, New Baltimore, Richmond, Grosse Pointe, Capac, Clinton Township, and Armada around 125 AM EDT.

* WHAT...High temperatures of 96 to 105 expected for most valley locations. Moderate to Major HeatRisk expected. * WHERE...Lake County, and Southeastern Interior Mendocino. * WHEN...Until 10 PM PDT Friday. * IMPACTS...Hot temperatures may cause heat illnesses especially for those without cooling or hydration. Drink plenty of fluids, stay in an air-conditioned room, stay out of the sun, and check up on relatives and neighbors.

At 1254 AM EDT, strong thunderstorms were located along a line extending from near Richwood to near Cedarville, moving east at 45 mph. HAZARD...Wind gusts up to 50 mph. SOURCE...Radar indicated. IMPACT...Gusty winds could knock down tree limbs and blow around unsecured objects. Locations impacted include... Columbus, Dublin, Westerville, Reynoldsburg, Grove City, Delaware, Upper Arlington, Gahanna, Hilliard, Worthington, Bexley, London, Jefferson, Pataskala, Powell, Groveport, Johnstown, Sunbury, Plain

* WHAT...Heat index values up to 101 degrees expected. * WHERE...Franklin County. * WHEN...Until 8 PM EDT this evening. * IMPACTS...Hot temperatures and high humidity may cause heat illnesses. * ADDITIONAL DETAILS...Some showers and thunderstorms today may provide local relief from the heat, but it will remain very humid. Drink plenty of fluids, stay out of the sun, and stay in an air-conditioned room. Check up on relatives and neighbors, and provide pets with adequate water and shelter from the sun.

* WHAT...Heat index values up to 104. * WHERE...Adams, Cumberland, Dauphin, Lancaster, Lebanon, and York Counties. * WHEN...Until 8 PM EDT this evening. * IMPACTS...Hot temperatures and high humidity may cause heat illnesses. * ADDITIONAL DETAILS...Some showers and thunderstorms today may provide local relief from the heat, but it will remain very humid. Drink plenty of fluids, stay out of the sun, and stay in an air-conditioned room. Check up on relatives and neighbors, and provide pets with adequate

* WHAT...Heat index values around 105F expected. * WHERE...Portions of DC, central, northeast, northern, and southern Maryland, and central and northern Virginia. * 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. Take extra precautions when outside. Wear lightweight and loose

* WHAT...Heat index values around 105F expected. * WHERE...Portions of central, north central, and northern Maryland and central, northern, and northwest Virginia. * 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. Take extra precautions when outside. Wear lightweight and loose

* WHAT...Heat index values around 100F expected. * WHERE...Portions of north central Maryland, northwest and western Virginia, and panhandle West Virginia. * 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. Take extra precautions when outside. Wear lightweight and loose

* WHAT...Heat index values in excess of 105 expected. * WHERE...Portions of northeast North Carolina and central, east central, eastern, south central, and southeast Virginia. * 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. Take extra precautions when outside. Wear lightweight and loose

* WHAT...Heat index values up to 105 expected. * WHERE...Portions of central, north central, and south central Virginia. * 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. Take extra precautions when outside. Wear lightweight and loose fitting clothing. Try to limit strenuous activities to early morning