Moderate

At 328 AM MDT, Doppler radar was tracking a strong thunderstorm over Durango, moving east at 30 mph. HAZARD...Wind gusts up to 40 mph and penny size hail. SOURCE...Radar indicated. IMPACT...Gusty winds could knock down tree limbs and blow around unsecured objects. Minor hail damage to vegetation and outdoor objects is possible. Locations impacted include... Durango. This includes the following highways... U.S. Highway 550 in Colorado between mile markers 21 and 29.

At 302 AM MDT, Doppler radar was tracking a strong thunderstorm 10 miles southeast of Mancos, or 18 miles west of Durango, moving east at 30 mph. HAZARD...Wind gusts up to 40 mph and penny size hail. SOURCE...Radar indicated. IMPACT...Gusty winds could knock down tree limbs and blow around unsecured objects. Minor hail damage to vegetation and outdoor objects is possible. Locations impacted include... Hesperus, Breen, and Mayday. This includes the following highways...

* WHAT...Northwest winds 20 to 30 mph with gusts up to 45 mph. * WHERE...Campbell, Edmunds, McPherson, and Walworth Counties. * WHEN...Until 7 AM CDT this morning. * IMPACTS...Gusty winds will blow around unsecured objects and a few power outages may result. Winds this strong can make driving difficult, especially for high profile vehicles. Use extra caution.

* WHAT...High wave action and dangerous currents expected at Lake Michigan beaches. Waves 4 to 7 feet expected. * WHERE...Lake IL, Northern Cook and Central Cook Counties. * WHEN...Until 7 AM CDT this morning. * IMPACTS...Swimming conditions will be life threatening, especially for inexperienced swimmers. Remain out of the water to avoid dangerous swimming conditions and do not venture out onto piers, jetties, breakwalls, or other shoreline structures.

* WHAT...Dangerous rip currents. * WHERE...The beaches north of Cape Hatteras. * WHEN...From 8 AM EDT this morning through this evening. * IMPACTS...Rip currents can sweep even the best swimmers away from shore into deeper water. * ADDITIONAL DETAILS...The most likely time for strong rip currents to occur is a couple hours either side of low tide, which will occur around 5:30 PM today. Life-threatening rip currents. If caught in a rip current, remain calm. Swim in a direction following the shoreline. If tired,

* WHAT...Heat index values up to 105 expected. * WHERE...Portions of south central Indiana and north central, northwest, and south central Kentucky. * WHEN...From noon EDT /11 AM CDT/ today to 8 PM EDT /7 PM CDT/ Wednesday. * 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 106. * WHERE...Portions of southeast Kansas and central, south central, southwest, and west central Missouri. * WHEN...Until 8 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 106 expected. * WHERE...Benton, Camden, Maries, Miller, Morgan, Pulaski, Phelps, and Dent Counties. * WHEN...From 10 AM this morning to 8 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...Visibility less than one mile in dense fog. * WHERE...Lincoln and Pipestone Counties. * WHEN...Until 5 AM CDT early 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.

At 131 AM MDT, Doppler radar was tracking a strong thunderstorm 14 miles southwest of Cortez, or 32 miles north of Shiprock, moving northeast at 20 mph. HAZARD...Wind gusts up to 40 mph and penny size hail. SOURCE...Radar indicated. IMPACT...Gusty winds could knock down tree limbs and blow around unsecured objects. Minor hail damage to vegetation and outdoor objects is possible. Locations impacted include... Cortez, Arriola, and Towaoc. This includes the following highways...