Expected

* WHAT...Dangerously hot conditions expected. Afternoon temperatures in the desert valleys will climb into the 108 to 114 degree range, and may exceed 115 along the Colorado River Valley and 120 in Death Valley. Overnight lows generally 80 to 95 degrees. * WHERE...Portions of northwest Arizona, southeast California, and southern Nevada including the Greater Mojave Desert region. * WHEN...From 10 AM PDT /10 AM MST/ Thursday to 8 PM PDT /8 PM MST/ Monday. * IMPACTS...Heat related illnesses increase significantly during

The National Weather Service in Seattle has issued a Red Flag Warning for lightning and gusty outflow winds which is in effect from 4 PM PDT this afternoon to 2 PM PDT Thursday. The Fire Weather Watch is no longer in effect. * AFFECTED AREA...Fire Weather Zone 655 Black Hills and Southwest Interior Lowlands and Fire Weather Zone 659 West Slopes of the Central Cascades Generally above 1500 Feet. * WINDS...West 5 to 10 mph except possible gusts 25 to 30 mph with thunderstorms. * RELATIVE HUMIDITY...As low as 29 percent.

* WHAT...Flooding caused by excessive rainfall. * WHERE...Southwestern Ritchie County in northwestern West Virginia... * WHEN...Until 945 AM EDT. * IMPACTS...Flooding of rivers, creeks, streams, and other low-lying and flood-prone locations is imminent or occurring. * ADDITIONAL DETAILS... - At 647 AM EDT, Doppler radar indicated heavy rain due to thunderstorms. Flooding is ongoing or expected to begin shortly in the warned area. - Some locations that will experience flooding include... Macfarlan.

* WHAT...Hot daytime conditions with high temperatures between 100 and 108 common. Warm overnight conditions will bring less relief than usual. * WHERE...Antelope Valley. * WHEN...From 10 AM Thursday to 8 PM PDT Monday. * 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

* WHAT...Small stream flooding caused by excessive rainfall continues. * WHERE...Southern Monroe County in east central Ohio... Southern Noble County in east central Ohio... Western Wetzel County in northern West Virginia... * WHEN...Until 1100 AM EDT. * IMPACTS...Flooding of rivers, creeks, streams, and other low-lying and flood-prone locations is imminent or occurring. * ADDITIONAL DETAILS... - At 530 AM EDT, Doppler radar indicated heavy rain due to

* WHAT...Significant coastal flooding. * WHERE...In Louisiana, Lower St. Bernard, Southeast St. Tammany, Eastern Orleans and Lower Plaquemines Parishes. In Mississippi, Southern Hancock, Southern Harrison and Southern Jackson Counties. * WHEN...Until 4 AM CDT Thursday. * IMPACTS...Numerous roads may be closed. Low lying property including homes, businesses, and some critical infrastructure will be inundated. Some shoreline erosion will occur. Take the necessary actions to protect flood-prone property. If

* WHAT...Dangerously hot conditions with heat index values up to 115 expected. * WHERE...Portions of southeast Louisiana and southern Mississippi. * WHEN...From 10 AM this morning to 8 PM CDT this evening. * IMPACTS...Heat related illnesses increase significantly during extreme heat and high humidity events. Drink plenty of fluids, stay in an air-conditioned room, stay out of the sun, and check up on relatives and neighbors. Do not leave young children and pets in unattended vehicles. Car

* WHAT...Flooding caused by excessive rainfall continues. * WHERE...Northeastern Washington County in southeastern Ohio... Northwestern Doddridge County in northern West Virginia... Tyler County in northern West Virginia... Northeastern Pleasants County in northwestern West Virginia... Northeastern Ritchie County in northwestern West Virginia... * WHEN...Until 1000 AM EDT. * IMPACTS...Flooding of rivers, creeks, streams, and other low-lying and flood-prone locations is imminent or occurring. It will take

* WHAT...Flooding caused by excessive rainfall continues. * WHERE...Barbour County in northeastern West Virginia... Northwestern Randolph County in northeastern West Virginia... Northeastern Upshur County in northeastern West Virginia... Harrison County in northern West Virginia... Taylor County in northern West Virginia... * WHEN...Until 930 AM EDT. * IMPACTS...Flooding of rivers, creeks, streams, and other low-lying and flood-prone locations is imminent or occurring. * ADDITIONAL DETAILS...

* WHAT...Flooding caused by excessive rainfall continues. * WHERE...Southeastern Barbour County in northeastern West Virginia... Northeastern Pocahontas County in northeastern West Virginia... Randolph County in northeastern West Virginia... Southern Upshur County in northeastern West Virginia... * WHEN...Until 930 AM EDT. * IMPACTS...Flooding of rivers, creeks, streams, and other low-lying and flood-prone locations is imminent or occurring. * ADDITIONAL DETAILS...