Moderate

* WHAT...Daytime heat index values up to 105, only falling into the mid to upper 70s at night. * WHERE...Much of central, east central, southeast, and west central Illinois. * WHEN...Until 7 PM CDT Thursday. * IMPACTS...Hot temperatures and high humidity may cause heat illnesses. Take extra precautions when outside. Wear lightweight and loose fitting clothing. Try to limit strenuous activities to early morning or evening. Take action when you see symptoms of heat exhaustion and heat stroke.

* WHAT...Heat index values up to 100-103 degrees. * WHERE...Portions of central and south central Iowa, including the Des Moines metro. * WHEN...Until 7 PM CDT Wednesday. * IMPACTS...Hot temperatures and high humidity may cause heat illnesses. * ADDITIONAL DETAILS...While heat index values may not reach 105 degrees each day, the combination of the longevity of the heat and little or limited relief during the overnight periods with warm lows have prompted the multi-day Heat Advisory.

* WHAT...Heat index values up to around 105. * WHERE...Portions of east central and northeast Kansas and central, north central, northeast, northwest, and west central Missouri. * WHEN...Until 8 PM CDT Friday. * IMPACTS...Hot temperatures and high humidity may cause heat illnesses. * ADDITIONAL DETAILS...While heat index values may not reach 105 each day, the combination of the longevity of the heat and little or limited relief during overnight periods have prompted the multi-day Heat Advisory.

* WHAT...Heat index values up to 100 expected. * WHERE...Bureau and Putnam Counties. * WHEN...From 1 PM Tuesday to 7 PM CDT Thursday. * 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 shaded or air-conditioned environments. Anyone overcome by heat

* WHAT...Heat index values up to 105 expected. * WHERE...Portions of northwest and west central Illinois, east central and southeast Iowa, and northeast Missouri. * WHEN...Until 7 PM CDT Thursday. * IMPACTS...Hot temperatures and high humidity may cause heat illnesses. * ADDITIONAL DETAILS...Thunderstorms and storm outflow may interrupt the heat at times. Drink plenty of fluids, stay in an air-conditioned room, stay out of the sun, and check up on relatives and neighbors.

At 756 PM MDT, Doppler radar was tracking a strong thunderstorm near Granada, or 13 miles east of Lamar, moving north at 25 mph. HAZARD...Wind gusts up to 50 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... Granada, Hartman, and Bristol. If outdoors, consider seeking shelter inside a building.

* WHAT...Peak heat index values up to 105 are expected each afternoon with limited relief from the heat and humidity overnight. * WHERE...All of central Indiana. * WHEN...From 2 PM Tuesday to 8 PM EDT Thursday. * IMPACTS...Hot temperatures and high humidity may cause heat illnesses. Drink plenty of fluids, limit time outdoors, and check up on relatives and neighbors.

The National Weather Service in El Paso has issued a * Dust Advisory for... Southwestern Otero County in south central New Mexico... Central Dona Ana County in south central New Mexico... Northwestern Hudspeth County in western Texas... Northeastern El Paso County in western Texas... * Until 845 PM MDT. * At 714 PM MDT, a dust channel was over Anthony, moving northeast at 35 mph. HAZARD...Less than one half mile visibility with strong wind in excess of 40 mph. SOURCE...Doppler radar. IMPACT...Hazardous travel.

At 816 PM CDT, Doppler radar was tracking a strong thunderstorm 10 miles southwest of Toyah, moving north at 25 mph. HAZARD...Wind gusts up to 50 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... Kent, Toyah, Balmorhea, Balmorhea Lake, Saragosa, Balmorhea State Park, Toyahvale, Buffalo Trail Scout Camp, and Verhalen. This includes the following highways...

Strong northwesterly winds have developed across Shelikof Strait and the waters around southern Kodiak Island. These winds are resuspending ash from the 1912 Katmai-Novarupta eruption, causing haze and potentially trace amounts of ash accumulation. The villages of Karluk, Larsen Bay and Akhiok are most likely to be impacted. Those in sensitive groups or with respiratory ailments are encouraged to avoid or reduce outdoor activity to avoid inhaling