Expected

* WHAT...High temperatures 100 to 105 degrees in the valleys each afternoon. Low temperatures 62 to 70 degrees in the valleys each night. This will result in a major risk for heat-related illnesses for much of the population, especially those without effective cooling. * WHERE...Northern Lander and Northern Eureka, Southern Lander and Southern Eureka, Southwest Elko, Northeastern Nye, and Northwestern Nye Counties. * WHEN...Until 11 PM PDT Sunday.

* WHAT...High temperatures 100 to 105 degrees in the valleys each afternoon. Low temperatures 73 to 78 degrees in the valleys each night. This will result in a major risk for heat-related illnesses for much of the population, especially those without effective cooling. * WHERE...Southeastern Elko County. * WHEN...Until 11 PM PDT Monday. * IMPACTS...Heat-related illnesses increase significantly during extreme heat events. Take extra precautions when outside. Wear lightweight and loose

* WHAT...High temperatures 100 to 105 degrees in the valleys each afternoon. Low temperatures 73 to 78 degrees in the valleys each night. This will result in a major risk for heat-related illnesses for much of the population, especially those without effective cooling. * WHERE...South Central Elko County. * WHEN...Until 11 PM PDT Sunday. * IMPACTS...Heat related illnesses increase significantly during extreme heat. Take extra precautions when outside. Wear lightweight and loose

* WHAT...High temperatures 100 to 103 degrees in the valleys each afternoon. Low temperatures 60 to 65 degrees in the valleys each night. This will result in a major risk for heat-related illnesses for much of the population, especially those without effective cooling. * WHERE...Humboldt County. * WHEN...Until 11 PM PDT Sunday. * IMPACTS...Heat related illnesses increase significantly during extreme heat. Drink plenty of fluids, stay in an air-conditioned room, stay out of

* WHAT...Flooding caused by excessive rainfall is expected. * WHERE...Central Armstrong County in west central Pennsylvania... Southeastern Butler County in west central Pennsylvania... Southern Clarion County in west central Pennsylvania... Southwestern Jefferson PA County in west central Pennsylvania... * WHEN...Until 715 PM EDT. * IMPACTS...Flooding of rivers, creeks, streams, and other low-lying and flood-prone locations is imminent or occurring. Numerous roads

* WHAT...Flooding caused by excessive rainfall is expected. * WHERE...Northeastern Armstrong County in west central Pennsylvania... Southeastern Clarion County in west central Pennsylvania... West Central Jefferson PA County in west central Pennsylvania... * WHEN...Until 715 PM EDT. * IMPACTS...Flooding of rivers, creeks, streams, and other low-lying and flood-prone locations is imminent or occurring. Numerous roads remain closed due to flooding. Low-water crossings are inundated with water and may not be passable.

* WHAT...Dangerously hot conditions with temperatures of 100 to 110 expected. * WHERE...Apple and Lucerne Valleys. * WHEN...Until 8 PM PDT Sunday. * IMPACTS...Heat related illnesses increase significantly during extreme heat events. Drink plenty of fluids, stay in an air-conditioned room, stay out of the sun, and check up on relatives and neighbors.

* WHAT...Dangerously hot conditions with high temperatures of 108 to 114 expected. * WHERE...Coachella Valley, San Diego County Deserts, and San Gorgonio Pass near Banning. * WHEN...Until 8 PM PDT Sunday. * IMPACTS...Heat related illnesses increase significantly during extreme heat events. Drink plenty of fluids, stay in an air-conditioned room, stay out of the sun, and check up on relatives and neighbors.

* WHAT...Flooding caused by excessive rainfall is expected. * WHERE...Central Armstrong County in west central Pennsylvania... South Central Clarion County in west central Pennsylvania... Northwestern Indiana County in west central Pennsylvania... Southwestern Jefferson PA County in west central Pennsylvania... * WHEN...Until 345 PM EDT. * IMPACTS...Flooding of rivers, creeks, streams, and other low-lying and flood-prone locations is imminent or occurring. Numerous roads

* WHAT...Dangerously hot daytime conditions with high temperatures between 95 and 105 common, except locally up to 108 in the hottest locations. * WHERE...Northern Ventura County Mountains. * WHEN...Until 8 PM PDT Sunday. * IMPACTS...There is a high risk for dangerous heat illness, especially for sensitive groups like the very young, the very old, those without air conditioning, and those active outdoors. Drink plenty of fluids, stay in an air-conditioned room, stay out of the sun, and check up on relatives and neighbors.