Moderate

Locally heavy rainfall rates in excess of one inch per hour will be seen with the numerous showers and scattered storms this afternoon across far eastern Iowa and northwest Illinois. These rates are likely to result in minor flooding, especially over urban or poor drainage areas, along with those locations that saw heavy rainfall on Sunday. In addition, conditions are favorable for the development of funnel clouds, and possibly brief, weak tornadoes. The National

* WHAT...Southwest winds 20 to 25 mph with gusts up to 35 mph expected for American Falls Reservoir. * WHERE...Lower Snake River Plain. * WHEN...From 10 AM to 9 PM MDT Tuesday. * IMPACTS...Strong winds and rough waves on area lakes will create hazardous conditions for small craft. Boaters on area lakes should use extra caution since strong winds and rough waves can overturn small craft.

* 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