Moderate

* WHAT...High temperatures up to 102 and morning lows up to 75 expected. Widespread Moderate HeatRisk will be present with areas of Major HeatRisk in the foothills where the thermal belt is strongest and in urban areas. * WHERE...The San Joaquin Valley, Sierra Nevada Foothills, and West Side Hills along the Coastal Range. * WHEN...From 10 AM Wednesday to 10 PM PDT Thursday. * IMPACTS...Hot temperatures may cause heat illnesses, especially those without effective cooling and/or adequate hydration.

* WHAT...Hot conditions with temperatures 10 to 20 degrees above normal during the day, with overnight lows also running 10 to 20 degrees above normal. * WHERE...Bay Area and Central Coast. * WHEN...Until 10 PM PDT Thursday. * IMPACTS...This level of heat affects most individuals sensitive to heat, especially those without effective cooling and/or adequate hydration. Impacts possible in some health systems and in heat-sensitive industries. Hot conditions can cause heat illnesses.

At 815 PM MDT, Doppler radar was tracking strong thunderstorms along a line extending from 12 miles northwest of Crowley to near Olney Springs to near Manzanola. Movement was east at 25 mph. HAZARD...Wind gusts up to 50 mph. SOURCE...Radar indicated. IMPACT...Gusty winds could knock down tree limbs and blow around unsecured objects. Locations impacted include... Rocky Ford, Fowler, Ordway, Manzanola, Olney Springs, Sugar City, and Crowley. If outdoors, consider seeking shelter inside a building. Strong

At 804 PM MDT, Doppler radar was tracking a strong thunderstorm 8 miles south of Las Animas, or 14 miles east of North La Junta, moving north at 15 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... Las Animas, John Martin Reservoir, and Fort Lyon. If outdoors, consider seeking shelter inside a building.

At 809 PM MDT, Doppler radar was tracking a strong thunderstorm 17 miles south of Hasty, or 19 miles southwest of Lamar, moving north at 25 mph. HAZARD...Wind gusts up to 50 mph and brief small hail up to one half inch in diameter. 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... Lamar and McClave. If outdoors, consider seeking shelter inside a building.

* WHAT...Heat index values up to 106. * WHERE...Portions of south central and southeast Kansas. * WHEN...Until 8 PM CDT Wednesday. * 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.

At 736 PM MDT, Doppler radar was tracking strong thunderstorms along a line extending from 12 miles southeast of Hanover to near Pueblo Depot to 7 miles south of Boone. Movement was east at 25 mph. HAZARD...Wind gusts of 50 to 55 mph and brief small hail up to half inch. 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... Fowler, Olney Springs, Boone, Avondale, and Pueblo Depot.

The combination of hot temperatures and elevated humidity levels will produce heat index values between 108 and 111 degrees for several hours Tuesday afternoon into Tuesday evening. A few locations may briefly experience heat index values above 111F degrees. If you plan to spend time outside, drink plenty of water, wear light weight and light colored clothing and take frequent breaks from the heat. Young children and pets should never be left unattended in vehicles.

* WHAT...Heat index values up to 109 expected. * WHERE...Portions of East Arkansas, Southeast Missouri, and West Tennessee. * WHEN...From 11 AM to 8 PM CDT Wednesday. * 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 108 expected. * WHERE...Portions of East Arkansas, North Mississippi, and West Tennessee. * WHEN...From 11 AM to 8 PM CDT Wednesday. * 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.