Moderate

* WHAT...Southwest winds 25 to 35 mph with gusts up to 45 mph expected. * WHERE...Arco/Mud Lake Desert and Upper Snake River Plain. * WHEN...From 10 AM to 9 PM MDT Tuesday. * IMPACTS...Gusty winds could make driving difficult, especially for high profile vehicles. Unsecured objects may be blown around. Strong winds and rough waves on area lakes will create hazardous conditions for small craft. Winds this strong can make driving difficult, especially for high profile vehicles. Use extra caution. Secure outdoor objects.

At 122 PM CDT, Doppler radar was tracking a strong thunderstorm near Burns, or near Dickson, moving northeast at 25 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... Dickson, White Bluff, Burns, Charlotte, Lyles, and Bon Aqua. This includes the following highways... Interstate 40 between mile markers 166 and 184. Interstate 840 between mile markers 1 and 4.

* WHAT...Southwest winds 20 to 30 mph with gusts up to 50 mph expected. * WHERE...In Colorado, Central Yampa River Basin, Animas River Basin, Four Corners/Upper Dolores River, Paradox Valley/Lower Dolores River, Central Colorado River Basin, Central Gunnison and Uncompahgre River Basin, and Debeque to Silt Corridor. In Utah, Southeast Utah. * WHEN...From noon to 8 PM MDT Tuesday. * IMPACTS...Gusty winds will blow around unsecured objects. Tree limbs could be blown down and a few power outages may result.

* WHAT...West winds 25 to 40 mph with gusts up to 60 mph. * WHERE...Mojave Desert Slopes. * WHEN...Until 5 AM PDT Tuesday. * IMPACTS...Gusty winds will blow around unsecured objects. Tree limbs could be blown down and a few power outages may result. * ADDITIONAL DETAILS...Highways impacted include, but are not limited to, State Routes 14, 58, and 178, as well as U.S. 395. Winds this strong can make driving difficult, especially for high profile vehicles. Use extra caution.

* WHAT...Heat index values up to 107 expected. * WHERE...Portions of East Arkansas, North Mississippi, Southeast Missouri, and West Tennessee. * WHEN...From 11 AM to 8 PM CDT Tuesday. * 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.

* WHAT...Heat index values up to 106 expected. * WHERE...Allen, Chautauqua, Elk, Greenwood, Labette, Montgomery, Neosho, Wilson, and Woodson Counties. * WHEN...From 1 PM to 7 PM CDT Tuesday. * 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.

* WHAT...Heat index values up to 107 expected. * WHERE...Cowley, Harper, Harvey, Kingman, Reno, Sedgwick, and Sumner Counties. * WHEN...Until 7 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. To reduce risk during outdoor work, the Occupational Safety and Health Administration recommends scheduling frequent rest breaks in

* WHAT...Hot temperatures up to 107 expected. * WHERE...Hemphill, Hutchinson, Palo Duro Canyon, and Roberts Counties. * WHEN...Until 7 PM CDT this evening. * 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

As skies clear across the Interior from west to east tonight, temperatures will drop into the low to mid 30s by Tuesday morning. Frost is possible in some locations, particularly in the Lower Tanana, Upper Koyukuk and typical cold valley locations across the Interior. Frost could harm sensitive outdoor vegetation. Sensitive outdoor plants may be killed if left uncovered.

* WHAT...Heat index values up to 105 expected. * WHERE...Barber County. * WHEN...Until 9 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.