Expected

* WHAT...Dangerously hot conditions with temperatures 102 to 110. * WHERE...Antelope Valley and nearby foothills. * 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. Do not leave young children and pets in unattended vehicles. Car

* WHAT...Hot daytime conditions with high temperatures between 98 and 106 common. * WHERE...The Cuyama Valley. * 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. Do not leave young children and pets in unattended vehicles. Car

The National Weather Service in Salt Lake City has issued a Red Flag Warning for thunderstorms after a long duration hot and dry period and gusty outflow winds, which is in effect until 9 PM MDT this evening. * AFFECTED AREA...Fire Weather Zone 495 Color Country West Desert and Fire Weather Zone 496 Color Country Mountains. * THUNDERSTORMS...Slow moving thunderstorms will develop over the southern mountains and drift into adjacent valleys this afternoon and evening.

* WHAT...High temperatures of 101 to 106 degrees with overnight lows of 67 to 74 degrees. Widespread Major HeatRisk with isolated Extreme HeatRisk in lower valleys. * WHERE...Western Nevada Basin and Range including Pyramid Lake. * WHEN...Until 8 AM PDT Monday. * IMPACTS...Heat related illnesses increase significantly, particularly for those working or participating in outdoor activities. 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 multiple days of Major to Extreme Heat Risk. * WHERE...Indian Wells Valley, Mojave Desert, and Mojave Desert Slopes. * WHEN...Until 8 PM PDT Sunday. * IMPACTS...Heat related illnesses increase significantly during extreme heat events, especially those with little overnight relief from the heat. * ADDITIONAL DETAILS...Dangerously hot conditions with high temperatures up to 112 degrees. Overnight lows will range from 75-80 degrees.

* WHAT...Flooding caused by excessive rainfall continues. * WHERE...Chase County in east central Kansas... * WHEN...Until 1115 AM CDT. * IMPACTS...Flooding of rivers, creeks, streams, and other low-lying and flood-prone locations is imminent or occurring. Low-water crossings are inundated with water and may not be passable. * ADDITIONAL DETAILS... - At 746 AM CDT, Doppler radar indicated heavy rain due to thunderstorms. Flooding is ongoing or expected to begin shortly

* WHAT...Flooding caused by excessive rainfall is expected. * WHERE...Eastern Marion County in central Kansas... * WHEN...Until 1145 AM CDT. * IMPACTS...Flooding of rivers, creeks, streams, and other low-lying and flood-prone locations is imminent or occurring. Low-water crossings are inundated with water and may not be passable. * ADDITIONAL DETAILS... - At 742 AM CDT, emergency management reported heavy rain in the warned area due to thunderstorms. Flooding is already occurring.

...BREEZY WESTERLY WINDS AND LOW RELATIVE HUMIDITY TODAY AND SATURDAY THROUGH THE CASCADE GAPS AND INTO THE COLUMBIA BASIN... .Breezy westerly winds through the Cascade gaps will likely (80% chance) overlap with low relative humidity and generate Red Flag conditions this afternoon through Saturday. Poor to fair overnight RH recovery is anticipated Friday night. * AFFECTED AREA...Fire Weather Zones 691 Lower Columbia Basin of Oregon and 691 Lower Columbia Basin of Washington. * TIMING...From 11 AM this morning to 11 PM PDT Saturday.

...BREEZY WESTERLY WINDS AND LOW RELATIVE HUMIDITY TODAY AND SATURDAY THROUGH THE CASCADE GAPS AND INTO THE COLUMBIA BASIN... .Breezy westerly winds through the Cascade gaps will likely (80% chance) overlap with low relative humidity and generate Red Flag conditions this afternoon through Saturday. Poor to fair overnight RH recovery is anticipated Friday night. * AFFECTED AREA...Fire Weather Zone 690 Kittitas Valley. * TIMING...From 11 AM this morning to 11 PM PDT Saturday.