Expected

...The upper level low offshore will shift to the east just enough today to allow for monsoonal moisture to move into the region. Instability will accompany the moisture and allow for increased chances of isolated to scattered thunderstorms across central Oregon and portions of the eastern mountains. Brief heavy downpours, gusty outflow winds, small hail, and frequent lightning will be possible... * AFFECTED AREA...Fire Weather Zones 700 Central Mountains of Oregon and 705 Southern Deschutes National Forest.

...The upper level low offshore will shift to the east just enough today to allow for monsoonal moisture to move into the region. Instability will accompany the moisture and allow for increased chances of isolated to scattered thunderstorms across central Oregon and portions of the eastern mountains. Brief heavy downpours, gusty outflow winds, small hail, and frequent lightning will be possible... The National Weather Service in Pendleton has issued a Red Flag

* WHAT...Flooding caused by excessive rainfall Tuesday is occurring. * WHERE...Coconino County in north central Arizona in Cedar Wash, west of Gray Mountain... * WHEN...Until 115 AM MST /215 AM MDT/ Tonight. * IMPACTS...Flooding of creeks and normally dry washes is imminent or occurring. Deadly flooding over low-water crossings. * ADDITIONAL DETAILS... - At 112 PM MST /212 PM MDT/, local law enforcement reported flooding in the warned area. Flooding is already occurring.

* WHAT...Dangerously hot conditions with heat index values up to 116. * WHERE...Portions of south central and southeast Texas. * WHEN...Until 8 PM CDT this evening. * IMPACTS...Hot temperatures and high humidity will increase the risk for heat related illnesses to occur, 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. Do not leave young children and pets in unattended vehicles. Car

* WHAT...Dangerously hot conditions with heat index values up to 115. * WHERE...Atoka, Bryan, Coal, Johnston, Marshall, Carter, Jefferson, Love, and Stephens Counties. * 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.

* WHAT...For the Extreme Heat Warning, dangerously hot conditions with heat index values up to 113. For the Heat Advisory, heat index values up to 107 expected. * WHERE...In Oklahoma, Jackson and Tillman Counties. In Texas, Hardeman and Wilbarger Counties. * WHEN...For the Extreme Heat Warning, until 8 PM CDT this evening. For the Heat Advisory, from noon to 8 PM CDT Thursday. * IMPACTS...Heat related illnesses increase significantly during extreme heat and high humidity events. Hot temperatures and high

* WHAT...Dangerously hot conditions with heat index values up to 113. * WHERE...In Oklahoma, Cotton County. In Texas, Clay and Wichita Counties. * 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.

* WHAT...Dangerously hot conditions. Afternoon temperatures 106 to 117 expected. Major Heat Risk. Overexposure can cause heat cramps and heat exhaustion to develop and, without intervention, can lead to heat stroke. * WHERE...In Arizona, La Paz and Southeast Yuma counties. In California, Joshua Tree NP. * WHEN...From 10 AM MST /10 AM PDT/ Thursday to 8 PM MST /8 PM PDT/ Monday. * IMPACTS...Heat related illnesses increase significantly during extreme heat events. Overexposure can cause heat cramps and heat

* WHAT...Dangerously hot conditions. Afternoon temperatures 104 to 116 degrees. Major Heat Risk. * WHERE...Portions of South-central Arizona. * WHEN...From 10 AM Thursday to 8 PM MST Monday. * IMPACTS...Heat related illnesses increase significantly during extreme heat events. Overexposure can cause heat cramps and heat exhaustion to develop and, without intervention, can lead to heat stroke. An Extreme Heat Warning means that a period of very hot temperatures,

* WHAT...Dangerously hot conditions. Afternoon temperatures 107 to 116 degrees. Major Heat Risk. * WHERE...South central Arizona, including the Phoenix metropolitan area. * WHEN...From 10 AM Thursday to 8 PM MST Monday. * IMPACTS...Heat related illnesses increase significantly during extreme heat events. Overexposure can cause heat cramps and heat exhaustion to develop and, without intervention, can lead to heat stroke. * ADDITIONAL DETAILS...In Maricopa County, Call 2-1-1 to find a free