Moderate

* WHAT...Strong currents and dangerous swimming conditions. * WHERE...Beaches of Niagara, Orleans, Monroe, Wayne, Northern Cayuga, Oswego, and Jefferson counties. * WHEN...Through Tuesday evening. * IMPACTS...Strong currents and dangerous swimming conditions. Stay out of the water to avoid dangerous swimming conditions.

* WHAT...Strong currents and dangerous swimming conditions. * WHERE...Beaches of Erie and Chautauqua counties. * WHEN...Through late tonight. * IMPACTS...Strong currents and dangerous swimming conditions. Stay out of the water to avoid dangerous swimming conditions.

The National Weather Service in Phoenix has issued a * Dust Advisory for... Maricopa County in south central Arizona... * Until 1000 PM MST. * At 914 PM MST, a wall of dust was along a line extending from 6 miles southeast of Estrella Mountain Park to near Sonoran National Monument to 8 miles southwest of Big Horn, moving west at 25 mph. HAZARD...Less than one half mile visibility with strong wind in excess of 50 mph. SOURCE...Doppler radar. IMPACT...Hazardous travel. * This includes AZ Route 85 between mile markers 126 and 149.

At 946 PM MDT, Doppler radar was tracking strong thunderstorms along a line extending from near Marriott-Slaterville to 20 miles west of Evanston. Movement was northeast at 30 mph. HAZARD...Wind gusts of 50 to 55 mph. SOURCE...Radar indicated. IMPACT...Gusty winds could knock down tree limbs and blow around unsecured objects. Locations impacted include... Ogden, Layton, Hill Air Force Base, Roy, Clearfield, Syracuse, Clinton, North Ogden, South Ogden, Washington Terrace, Riverdale,

At 847 PM MST, radar indicated strong thunderstorms were located along a line extending from San Tan Mountain Park to near Maricopa to 13 miles east of Kaka. Movement was northwest at 10 mph. Conditions are becoming more favorable for the development of additional thunderstorms. Some storms may become strong to severe. Wind gusts up to 50 mph and pea size hail will be possible. Locations impacted include... Mesa, Chandler, Gilbert, Tempe, Casa Grande, Apache Junction,

* WHAT...Peak heat index values between 106 and 110 * WHERE...Portions of south central and southeast Texas. * WHEN...Until 7 PM CDT Monday. * 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

At 934 PM MDT, Doppler radar was tracking a strong thunderstorm 7 miles north of Sage Junction, which is 10 miles south of Cokeville, moving east at 35 mph. HAZARD...Wind gusts of 50 to 55 mph. SOURCE...Radar indicated. IMPACT...Gusty winds could knock down tree limbs and blow around unsecured objects. This storm will remain over mainly rural areas of southwestern Lincoln County. If outdoors, consider seeking shelter inside a building.

At 938 PM MDT, Doppler radar was tracking an outflow boundary moving south-southeast at 15 mph. HAZARD...Wind gusts up to 50 mph. SOURCE...Radar indicated. IMPACT...Gusty winds could blow around unsecured objects. This storm will remain over mainly rural areas of central Johnson County. This includes the following highways... Interstate 25 between mile markers 263 and 297. Interstate 90 between mile markers 62 and 83. 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... Pinal County in southeastern Arizona... * Until 930 PM MST. * At 838 PM MST, a wall of dust was along a line extending from near Kaka to 14 miles south of Big Horn to 7 miles east of Freeman to near Chandler Fashion Center Mall to near Chandler, moving west at 30 mph. HAZARD...Less than one mile visibility with strong wind in excess of 50 mph. SOURCE...Doppler radar. IMPACT...Hazardous travel.

At 941 PM MDT, Doppler radar was tracking a line of showers and isolated thunderstorms extending from 9 miles southeast of Volborg to 10 miles west of Biddle,moving east at 35 mph. HAZARD...Wind gusts up to 50 mph. SOURCE...Radar indicated. Occasional gusts up to 50 mph have been reported along this line. IMPACT...Gusty winds could knock down tree limbs and blow around unsecured objects. Gusty winds may arrive without precipitation or thunder. The shower will be near... Broadus around 950 PM MDT.