Moderate

At 439 PM EDT, Doppler radar was tracking strong thunderstorms along a line extending from near Santee State Park to near Crocketville. Movement was east at 35 mph. ...Boaters on Lake Marion Should Seek Safe Harbor... 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... Manning, Holly Hill, Branchville, Summerton, Bowman, Elloree, Santee

* WHAT...High temperatures of 90 to 97 degrees with lows of 50 to 55 degrees. * WHERE...In California, Modoc County, North Central and Southeast Siskiyou County, and Northeast Siskiyou and Northwest Modoc Counties. This includes Macdoel, Dorris, Tulelake, Tennant, Alturas, Adin and Lookout. In Oregon, Klamath Basin. This includes Klamath Falls, Chiloquin, Keno, Worden, Merrill and Malin. * WHEN...From 11 AM Monday to 11 PM PDT Tuesday. * IMPACTS...Hot temperatures may cause heat related illnesses.

At 441 PM EDT, Doppler radar was tracking a strong thunderstorm over Semora, or 10 miles northeast of Yanceyville, moving east at 35 mph. HAZARD...Wind gusts of 50 to 55 mph and pea size 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... Roxboro, Concord, Bethel Hill, Hyco Lake, Mayo Reservoir, Hyco Marina, and John H Kerr Reservoir.

At 441 PM EDT, strong thunderstorms were located along a line extending from Ashville to 6 miles southwest of New Holland, moving east at 50 mph. HAZARD...Wind gusts up to 45 mph. SOURCE...Radar indicated. IMPACT...Gusty winds could knock down tree limbs and blow around unsecured objects. Locations impacted include... Lancaster, Circleville, Ashville, South Bloomfield, Bremen, Kingston, Williamsport, New Holland, Hide-A-Way Hills, Logan Elm Village,

* WHAT...High temperatures of 90 to 104 degrees expected with low temperatures of 55 to 65 degrees. * WHERE...Central Douglas County and Eastern Douglas County Foothills, including Roseburg, Sutherlin, Elkton, Camas Valley, Glendale, Canyonville, Tiller and Toketee Falls. * WHEN...Until 11 PM PDT Monday. * 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, Sawyers Bar, and Callahan. * WHEN...Until 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 94 to 104 degrees expected with low temperatures of 60 to 65 degrees, except upper 60s in some typically warmer locations. * WHERE...Eastern Curry County and Josephine County and Jackson County, including Medford, Ashland, Eagle Point, Butte Falls, Shady Cove, Jacksonville, Applegate, Grants Pass, Merlin, Cave Junction, Obrien and Agness. * WHEN...Until 11 PM PDT Tuesday. * IMPACTS...Hot temperatures may cause heat illnesses.

At 241 PM MDT, Doppler radar was tracking a strong thunderstorm 12 miles southeast of Acoma Pueblo, or 20 miles south of Laguna Pueblo, moving east at 10 mph. HAZARD...Wind gusts up to 50 mph and penny 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. Hail may accumulate on roadways causing hazardous travel. Locations impacted include... Mainly rural areas of Southeastern Cibola County.

At 341 PM CDT, Doppler radar was tracking strong thunderstorms along a line extending from near Monteagle to 10 miles northwest of Stevenson. Movement was east at 40 mph. HAZARD...Wind gusts up to 40 mph. SOURCE...Radar indicated. IMPACT...Gusty winds could knock down tree limbs and blow around unsecured objects. Locations impacted include... Jasper, South Pittsburg, Whitwell, Kimball, Monteagle, Powells Crossroads, Orme, Martin Springs, Fiery Gizzard State Park, and Haletown (guild).

* WHAT...High temperatures of 85 to 95 degrees expected, except 75 to 85 at the beaches. Low temperatures of 55 to 65 degrees. * WHERE...South Central Oregon Coast, including all locations from Port Orford to Florence, and inland to Coquille and Myrtle Point. * WHEN...Until 11 PM PDT Monday. * IMPACTS...Hot temperatures may cause heat illnesses. * ADDITIONAL DETAILS...Strongest offshore flow will be Sunday, so beaches could get quite warm to hot then. Inland areas will be hot both days.