Moderate

At 940 AM EDT, Doppler radar was tracking a strong thunderstorm near Frankfort, moving east at 40 mph. HAZARD...Winds in excess of 40 mph. SOURCE...Radar indicated. IMPACT...Gusty winds in combiation with saturated ground may cause trees to fall. Winds could knock down tree limbs and blow around unsecured objects. Locations impacted include... Indianapolis, Frankfort, Carmel, Fishers, Noblesville, Lawrence, Lebanon, Zionsville, Elwood, Tipton, Windfall, Westfield, Cicero,

* WHAT...Dangerous rip currents expected. * WHERE...West facing Gulf County Beaches. * WHEN...Through late tonight. * IMPACTS...Rip currents can sweep even the best swimmers away from shore into deeper water. Swim near a lifeguard. If caught in a rip current, relax and float. Don't swim against the current. If able, swim in a direction following the shoreline. If unable to escape, face the shore and call or wave for help.

* WHAT...Visibility one quarter mile or less in dense fog. * WHERE...Portions of east central Ohio, southwest and western Pennsylvania and northern and the northern panhandle of West Virginia. * WHEN...Until 10 AM EDT this morning. * IMPACTS...Hazardous driving conditions due to low visibility. If driving, slow down, use your headlights, and leave plenty of distance ahead of you.

* WHAT...Visibility as low as one quarter mile in dense fog. * WHERE...In Maryland, Central and Eastern Allegany, Eastern Garrett, Extreme Western Allegany, and Western Garrett Counties. In Virginia, Frederick County. In West Virginia, Eastern Mineral, Hampshire, and Western Mineral Counties. * WHEN...Until 10 AM EDT 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.

The fog is breaking up and visibility is improving in many locations. The fog will likely take the longest to clear on the east-facing slopes of the mountains.

* WHAT...Heat index values exceeding 105 will be common in the afternoon. * WHERE...Bledsoe, Bradley, Hamilton, Marion, McMinn, Meigs, Rhea, Sequatchie, and West Polk Counties. * WHEN...Until 8 PM EDT /7 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

* WHAT...Heat index values exceeding 100 will be common in the afternoons, with some locations reaching or exceeding 105. * WHERE...Anderson, Knox, Loudon, Morgan, North Sevier, Northwest Blount, Northwest Monroe, and Roane Counties. * WHEN...Until 8 PM EDT 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

At 557 AM MDT/457 AM PDT/, Doppler radar was tracking a cluster of strong thunderstorms over Lime and Huntington, or 19 miles northwest of Weiser, moving north-northeast at 15 mph. HAZARD...Wind gusts up to 30 mph and pea size hail. Frequent lightning. SOURCE...Radar indicated. IMPACT...Gusty winds could knock down tree limbs and blow around unsecured objects. Heavy rainfall possible on Fox and Tartar Burn Scars. Locations impacted include...

At 624 AM CDT, Doppler radar was tracking strong thunderstorms along a line extending from 6 miles southwest of Paxton to near Atwood. Movement was east at 60 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... Champaign, Urbana, Danville, Rantoul, Monticello, Hoopeston, Savoy, Mahomet, St. Joseph, Georgetown, Tolono, Westville, Tilton, Catlin,

* WHAT...Visibility one quarter to one half mile in dense fog. * WHERE...Brown, Clark, and Spink Counties. * WHEN...Until 9 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.