Moderate

* WHAT...Heat index values up to 110 degrees are expected. * WHERE...Portions of southwest Arkansas, north central and northwest Louisiana, southeast Oklahoma, and east and northeast Texas. * 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. Take extra precautions when outside. Wear lightweight and loose

At 1236 AM CDT, a strong thunderstorm was located near Columbus, or 27 miles east of Crosby, moving east at 50 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 hail damage to vegetation is possible. Locations impacted include... Bowbells, Lignite, Columbus, Portal, Flaxton, Coteau, Larson, and Northgate. If outdoors, seek shelter inside a building.

A Bering Sea low moving into the Gulf of Anadyr tonight and will move into the Chukchi Sea on Monday. South-southwest winds will increase water levels to around 1 to 3 feet above the normal high tide line during the Monday and Tuesday high tides in the Seward Peninsula. Water levels around 2 to 4 feet above the normal high tide line are possible from Kotzebue to Kivalina. There is still quite a bit of uncertainty with the exact water level heights and they will be monitored over the next few days.

A Bering Sea low moving into the Gulf of Anadyr tonight and then the Chukchi Sea on Monday. South-southwest winds will increase water levels to around 1 to 3 feet above the normal high tide line during the Monday and Tuesday high tides from Wainwright to Utqiagvik. Water levels around 2 to 4 feet above the normal high tide line are possible from Point Lay to Point Hope. Secondly, winds will shift west-northwest Tuesday afternoon which can

At 1026 PM MST, a wall of dust was along a line extending from 17 miles northeast of Ajo to 8 miles south of Gila Bend Auxiliary Field to Gila Bend to near Cotton Center to near Palo Verde, moving west at 20 mph. HAZARD...Less than a mile visibility with strong wind in excess of 40 mph. SOURCE...Doppler radar. IMPACT...Hazardous travel. This includes the following highways... AZ Interstate 8 between mile markers 104 and 130. AZ Route 238 between mile markers 1 and 8.

At 1201 AM CDT, Doppler radar was tracking a strong thunderstorm over Gillsburg, or 11 miles southeast of Liberty, moving south at 15 mph. HAZARD...Winds in excess of 40 mph and nickel 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... Greensburg, Kentwood, Gillsburg, Easleyville, and Tangipahoa. This includes Interstate 55 in Louisiana between mile markers 52 and 62.

At 1003 PM MST, Doppler radar was tracking a strong thunderstorm 8 miles southeast of Aguila, or 17 miles west of Wickenburg, moving north at 25 mph. HAZARD...Wind gusts up to 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... Aguila. This includes US Highway 60 between mile markers 82 and 102. If outdoors, consider seeking shelter inside a building.

The National Weather Service in Phoenix has issued a * Dust Advisory for... Maricopa County in south central Arizona... * Until 1100 PM MST. * At 1011 PM MST, a wall of dust was along a line extending from near Wintersburg to 8 miles southwest of Wittmann to Circle City to near Humbug Bay, moving northwest at 35 mph. HAZARD...Less than one mile visibility with strong wind in excess of 40 mph. SOURCE...Doppler radar. IMPACT...Hazardous travel. * This includes US Highway 60 between mile markers 80 and 116. Locations impacted include...

The National Weather Service in Phoenix has issued a * Dust Advisory for... Maricopa County in south central Arizona... * Until 1030 PM MST. * At 945 PM MST, a wall of dust was along a line extending from near Surprise Stadium to near Buckeye to near Cotton Center, moving northwest at 30 mph. HAZARD...Less than one mile visibility with strong wind in excess of 40 mph. SOURCE...Doppler radar. IMPACT...Hazardous travel. * This includes the following highways... AZ Interstate 10 between mile markers 90 and 118.

* WHAT...Heat index values up to 108 expected. * WHERE...Okfuskee, Okmulgee, Choctaw, McIntosh, Pittsburg, and Pushmataha Counties. * WHEN...From noon to 8 PM CDT Monday. * IMPACTS...Heat related illnesses are possible especially impacting those not acclimated to the conditions or those performing strenuous activities. Take extra precautions when outside. Wear lightweight and loose fitting clothing. Try to limit strenuous activities to early morning