Moderate

* WHAT...High temperatures of 94 to 104 degrees expected with lows of 55 to 65 degrees. * WHERE...Central Siskiyou County and South Central Siskiyou County, including Yreka, Klamath River, Montague, Weed, Mount Shasta City, Dunsmuir and McCloud. * WHEN...From 11 AM Sunday to 11 PM PDT Tuesday. * 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.

* WHAT...High temperatures of 100 to 110 degrees expected with low temperatures of 60 to 65 degrees. * WHERE...Western Siskiyou County, including Seiad Valley, Happy Camp, Somes Bar, Fort Jones, Greenview, Etna and Callahan. * WHEN...From 11 AM this morning to 11 PM PDT Tuesday. * 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.

* WHAT...For the first Coastal Flood Statement, isolated minor coastal flooding. For the High Rip Current Risk, dangerous rip currents expected. For the second Coastal Flood Statement, isolated minor coastal flooding expected. * WHERE...Kenedy Island, Willacy Island and Cameron Island Counties. * WHEN...For the first Coastal Flood Statement, until 1 PM CDT this afternoon. For the High Rip Current Risk, from 7 AM CDT this morning through Sunday evening. For the second Coastal

At 243 AM CDT, Doppler radar was tracking strong thunderstorms along a line extending from 4 miles northeast of Wakita to 3 miles east of Hillsdale to 3 miles south of Meno to near Okeene. Movement was east at 40 mph. HAZARD...Wind gusts up to 50 mph and half inch hail. SOURCE...Radar indicated. IMPACT...Gusty winds could knock down tree limbs and blow around unsecured objects. Minor damage to outdoor objects is possible. Locations impacted include...

At 245 AM CDT, Doppler radar was tracking strong thunderstorms along a line extending from 3 miles west of Custer City to 5 miles south of Canute to 6 miles south of Erick. Movement was east at 65 mph. HAZARD...Wind gusts of 40 mph. SOURCE...Radar indicated. IMPACT...Gusty winds could knock down tree limbs and blow around unsecured objects. Locations impacted include... Elk City, Weatherford, Clinton, Sayre, Cordell, Burns Flat, Thomas, Erick, Sentinel, Arapaho, Hammon, Dill City, Canute, Corn, Custer

At 202 AM CDT, Doppler radar was tracking strong thunderstorms along a line extending from 3 miles south of Orion to 4 miles southeast of Putnam to near Butler to 7 miles east of Sweetwater. Movement was east at 35 mph. HAZARD...Wind gusts of 40 mph and pea size hail. SOURCE...Radar indicated. IMPACT...Gusty winds could knock down tree limbs and blow around unsecured objects. Minor damage to outdoor objects is possible. Locations impacted include...

* WHAT...Heat index values up to 108 expected. * WHERE...Portions of central, eastern, north central, and southeast Arkansas. * WHEN...From noon today 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. Take extra precautions when outside. Wear lightweight and loose fitting clothing. Try to limit strenuous activities to early morning

* WHAT...Dangerous swimming conditions due to 3-5 ft waves and rip currents. * WHERE...Emmet, Western Mackinac and Eastern Mackinac Counties, and Beaver Island and surrounding islands. * WHEN...Through this evening. * IMPACTS...Strong currents can pull swimmers into deeper water and high waves can sweep people off piers. * ADDITIONAL DETAILS...Cold water will lead to hypothermia if anyone enters the water unprepared and/or unintentionally. Remain out of the water to avoid hazardous swimming conditions.

* WHAT...Dangerous rip currents. * WHERE...Walton, Bay, and West-facing Gulf County Beaches. * WHEN...Through late Sunday night. * 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...For the first Coastal Flood Advisory, minor coastal flooding. For the High Rip Current Risk, dangerous rip currents. For the second Coastal Flood Advisory, minor coastal flooding expected. * WHERE...Aransas Islands, Kleberg Islands, Nueces Islands and Calhoun Islands Counties. * WHEN...For the first Coastal Flood Advisory, until 1 PM CDT this afternoon. For the High Rip Current Risk, through Monday morning. For the second Coastal Flood Advisory, from 1 AM to 1 PM CDT Sunday.