Severe

* WHAT...Dangerously hot conditions with high temperatures ranging from the mid 80s to around 90 near the coast to the lower to mid 90s near higher coastal terrain expected. Nights will be very warm with low temperatures mostly in the lower to mid 70s. * WHERE...Orange County Coastal Areas. * WHEN...From 10 AM Friday to 8 PM PDT Thursday. * IMPACTS...Heat related illnesses increase significantly during extreme heat events. Drink plenty of fluids, stay in an air-conditioned room, stay out of

* WHAT...Dangerously hot conditions with high temperatures in the 90s to 104 expected. Night will be very warm with low temperatures mostly in the mid 60s to mid 70s. * WHERE...Santa Ana Mountains and Foothills. * WHEN...From 10 AM Friday to 8 PM PDT Thursday. * 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 in the mid 90s to near 100 expected. Nights will be very warm with low temperatures mostly in the lower to mid 70s. * WHERE...Orange County Inland Areas. * WHEN...From 10 AM Friday to 8 PM PDT Thursday. * 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 in the upper 90s to 106 expected. Nights will be very warm with low temperatures mostly in the upper 60s to mid 70s. * WHERE...San Diego County Valleys. * WHEN...From 10 AM Friday to 8 PM PDT Thursday. * 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 ranging from the mid 80s to lower 90s near the coast to the mid 90s to around 100 for the mesas and other higher coastal terrain expected. Nights will be very warm with low temperatures mostly in the lower to mid 70s. * WHERE...San Diego County Coastal Areas. * WHEN...From 10 AM Friday to 8 PM PDT Thursday. * IMPACTS...Heat related illnesses increase significantly during extreme heat events.

* WHAT...Localized flooding caused by excessive rainfall is expected. * WHERE...McPherson County in central Kansas... Marion County in central Kansas... Rice County in central Kansas... Southwestern Chase County in east central Kansas... Reno County in south central Kansas... * WHEN...Until 930 AM CDT Friday. * IMPACTS...Localized flooding of rivers, creeks, streams, and other low-lying and flood-prone locations is imminent or occurring. * ADDITIONAL DETAILS...

...The Flood Warning is extended for the following rivers in Texas... Devils River At Pafford Crossing nr Comstock affecting Val Verde County. ...The Flood Warning continues for the following rivers in Texas... Devils River At Bakers Crossing 19N Of Comstock affecting Val Verde County. Devils River At Cauthorn Ranch Near Juno affecting Val Verde County. * WHAT...Moderate flooding is occurring and moderate flooding is forecast. * WHERE...Devils River at Cauthorn Ranch Near Juno. * WHEN...Until Friday evening.

...The Flood Warning is extended for the following rivers in Texas... Devils River At Pafford Crossing nr Comstock affecting Val Verde County. ...The Flood Warning continues for the following rivers in Texas... Devils River At Bakers Crossing 19N Of Comstock affecting Val Verde County. Devils River At Cauthorn Ranch Near Juno affecting Val Verde County. * WHAT...Moderate flooding is occurring and moderate flooding is forecast. * WHERE...Devils River at Pafford Crossing nr Comstock. * WHEN...Until Saturday morning.

...The Flood Warning is extended for the following rivers in Texas... Devils River At Pafford Crossing nr Comstock affecting Val Verde County. ...The Flood Warning continues for the following rivers in Texas... Devils River At Bakers Crossing 19N Of Comstock affecting Val Verde County. Devils River At Cauthorn Ranch Near Juno affecting Val Verde County. * WHAT...Moderate flooding is occurring and major flooding is forecast. * WHERE...Devils River at Bakers Crossing 19N Of Comstock. * WHEN...Until late Friday night.