Moderate

* WHAT...High wave action and dangerous currents at Lake Michigan beaches expected. * WHERE...In Illinois, Northern Cook and Central Cook Counties. In Indiana, Lake County. * WHEN...From 4 AM CDT Sunday through Sunday evening. * IMPACTS...Swimming conditions will be life threatening, especially for inexperienced swimmers. For information on swim advisories or bans at Chicago beaches: www. cpdbeaches. com. Remain out of the water to avoid dangerous swimming conditions

* WHAT...High wave action and dangerous currents at Lake Michigan beaches expected. * WHERE...Porter County. * WHEN...Through Sunday evening. * 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.

At 825 PM CDT, Doppler radar was tracking a strong thunderstorm 9 miles south of Collinwood, or 15 miles north of Florence, moving southeast at 35 mph. HAZARD...Wind gusts up to 40 mph and half inch hail. SOURCE...Radar indicated. IMPACT...Gusty winds could knock down tree limbs and blow around unsecured objects. Minor hail damage to vegetation is possible. Locations impacted include... Collinwood, Cypress Inn, and Iron City. If outdoors, consider seeking shelter inside a building.

At 825 PM CDT, Doppler radar was tracking a strong thunderstorm near Grandfield, moving southeast at 30 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... Burkburnett, Grandfield, Devol, Loveland, and Cookietown. If outdoors, consider seeking shelter inside a building.

At 659 PM MDT, Doppler radar was tracking strong thunderstorms along a line extending from Plano to near Lorenzo to near Ucon to near Firth. Movement was east at 30 mph. HAZARD...Wind gusts in excess of 45 mph. SOURCE...Radar indicated and mesonet observations. IMPACT...Gusty winds could knock down tree limbs and blow around unsecured objects. Locations impacted include... Idaho Falls, Rexburg, Rigby, Ririe Reservoir, Lorenzo, Aesmmon, Shelley, Iona, Sugar City, Ucon, Menan, Ririe, Lewisville, Archer,

* WHAT...Heat index values up to 113 expected. * WHERE...All of southeastern Louisiana and southwestern and coastal Mississippi. * WHEN...From 11 AM to 8 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.

At 702 PM MDT, Doppler radar was tracking a strong thunderstorm near Linch, which is 25 miles southeast of Kaycee, moving southeast at 10 mph. HAZARD...Wind gusts of 50 to 55 mph and half inch hail. SOURCE...Radar indicated. IMPACT...Gusty winds could knock down tree limbs and blow around unsecured objects. Minor hail damage to vegetation is possible. This storm will remain over mainly rural areas of northeastern Natrona and southeastern Johnson Counties. If outdoors, consider seeking shelter inside a building.

* WHAT...Temperatures up to 106 expected. * WHERE...Eastern portions of the South Plains. * WHEN...From noon to 8 PM CDT Sunday. * IMPACTS...Hot temperatures 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 or evening. Take action when you see symptoms of heat exhaustion and heat stroke.

* WHAT...Temperatures up to 109 expected. * WHERE...Southern portions of the Rolling Plains. * WHEN...From noon to 8 PM CDT Sunday. * IMPACTS...Hot temperatures 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 or evening. Take action when you see symptoms of heat exhaustion and heat stroke.

At 902 PM EDT, Doppler radar was tracking a strong thunderstorm over Spring Creek, or 11 miles southwest of Hyden, moving southeast at 20 mph. HAZARD...Wind gusts up to 40 mph and half inch hail. SOURCE...Radar indicated. IMPACT...Gusty winds could knock down tree limbs and blow around unsecured objects. Minor hail damage to vegetation is possible. Locations impacted include... Hoskinston, Creekville, Chappell, Essie, Warbranch, Mozelle, Spring Creek, Asher, Roark, Spruce Pine, and Queendale.