Severe

* WHAT...Dangerously hot conditions with high temperatures in the mid 90s to 105 below 7000 feet expected. * WHERE...Riverside County Mountains. * WHEN...From 10 AM Thursday to 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 temperatures up to 110 expected. * WHERE...San Bernardino and Riverside County Valleys-The Inland Empire. * WHEN...From 10 AM Thursday to 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 heat index values up to 115 degrees. * WHERE...Portions of East Arkansas, North Mississippi, the Missouri Bootheel, and West Tennessee. * WHEN...Until 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...Dangerously hot conditions with temperatures 101 to 106 in Santa Cruz and Cochise Counties and 107 to 112 elsewhere. Major to Extreme HeatRisk is expected. * WHERE...Eastern Cochise County below 5000 feet, South Central Pinal County, Southeast Pinal County, Tohono O'odham Nation, Tucson Metro Area, Upper Gila River Valley, Upper San Pedro River Valley, Upper Santa Cruz River Valley/Altar Valley, and Western Pima County. * WHEN...From 10 AM Thursday to 8 PM MST Sunday.

SVRTWC The National Weather Service in Tucson has issued a * Severe Thunderstorm Warning for... South Central Cochise County in southeastern Arizona... * Until 215 AM MST. * At 126 AM MST, a severe thunderstorm was located 10 miles east of Douglas, moving northwest at 15 mph. HAZARD...60 mph wind gusts and small hail. SOURCE...Radar indicated. IMPACT...Expect damage to roofs, siding, and trees. * Locations impacted include... Douglas, Bisbee-Douglas Airport and Pirtleville. This includes the following highways...

SVRTWC The National Weather Service in Tucson has issued a * Severe Thunderstorm Warning for... Central Graham County in southeastern Arizona... * Until 145 AM MST. * At 1259 AM MST, a severe thunderstorm was located 15 miles northwest of Thatcher, moving west at 20 mph. HAZARD...60 mph wind gusts and small hail. SOURCE...Radar indicated. IMPACT...Expect damage to roofs, siding, and trees. * Locations impacted include... Safford, Thatcher, Solomon, San Jose, Safford Regional Airport, Pima, Bylas, Central and Fort Thomas.

* WHAT...Dangerously hot conditions with highs 110 to 120 degrees across the Mojave Desert. Highs 100 to 110 degrees across most of the southern Great Basin and Arizona Strip. Little to no overnight relief is expected, particularly in the Mojave Desert where lows of 80 to 95 degrees are forecast. This will result in major to extreme heat risk. * WHERE...Portions of northwest Arizona, southeast California, and south central and southern Nevada. * WHEN...From 10 AM PDT / MST Thursday to 8 PM PDT / MST Sunday.

FFWOAX The National Weather Service in Omaha/Valley has issued a * Flash Flood Warning for... Central Lancaster County in southeastern Nebraska... * Until 700 AM CDT. * At 304 AM CDT, local law enforcement reported thunderstorms producing heavy rain across the warned area, leading to several stranded cars and one water rescue. Between 2 and 3 inches of rain have fallen. Additional rainfall amounts up to 1 inch are possible in the warned area. Flash flooding is ongoing or expected to begin shortly.

At 310 AM CDT, a severe thunderstorm was located near Murdock, or 13 miles south of Gretna, moving northeast at 25 mph. HAZARD...60 mph wind gusts and quarter size hail. SOURCE...Radar indicated. IMPACT...Hail damage to vehicles is expected. Expect wind damage to roofs, siding, and trees. This severe storm will be near... Louisville around 315 AM CDT. This includes Interstate 80 in Nebraska between mile markers 414 and 430. For your protection move to an interior room on the lowest floor of a building.

At 256 AM CDT, a severe thunderstorm was located 3 miles west of Murdock, or 15 miles south of Gretna, moving northeast at 30 mph. HAZARD...60 mph wind gusts and quarter size hail. SOURCE...Radar indicated. IMPACT...Hail damage to vehicles is expected. Expect wind damage to roofs, siding, and trees. This severe storm will be near... Murdock around 300 AM CDT. Other locations in the path of this severe thunderstorm include Louisville. This includes Interstate 80 in Nebraska between mile markers 409 and 430.