Expected

* WHAT...Hot daytime conditions with high temperatures between 95 and 105 common, except locally up to 108 in the hottest locations. * WHERE...Northern Ventura County Mountains. * WHEN...Until 8 PM PDT Wednesday. * 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. * ADDITIONAL DETAILS...Heat hazards may extend through Saturday. Drink plenty of fluids, stay in an air-conditioned room, stay out of

* WHAT...Dangerously hot conditions with temperatures 100 to 110. * WHERE...Antelope Valley and nearby foothills. * WHEN...Until 8 PM PDT Wednesday. * 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. * ADDITIONAL DETAILS...Heat hazards may extend through Saturday. Drink plenty of fluids, stay in an air-conditioned room, stay out of the sun, and check up on relatives and neighbors.

* AFFECTED AREA: In Central WY Fire Zone....289. In Southwest WY Fire Zones...277...279. In West Central WY Fire Zone....278. * COUNTIES AFFECTED: In Central WY...Fremont...Natrona. In Southwest WY...Sweetwater...Uinta. In West Central WY...Lincoln...Sublette. * IMPACTS: Low Humidities and Strong Gusty Winds could cause erratic fire behavior. * WIND: Northwest 20 to 30 mph with gusts up to 35 mph. * HUMIDITY: As low as 8 to 12 percent.

The National Weather Service in Medford has issued a Red Flag Warning, which is in effect from 2 PM to 9 PM PDT Wednesday. * IMPACTS...Any fires that develop will likely spread rapidly. * AFFECTED AREA...In Oregon, Fire Weather zones 620, 621, 622, and 623, including Medford, Grants Pass, Ashland, Cave Junction, Eagle Point, Shady Cove, and the Siskiyous and southern Oregon Cascades. * WIND...Northwest 10 to 15 mph with gusts up to 25 mph in the afternoons, becoming east to northeast overnight.

The National Weather Service in Medford has issued a Red Flag Warning, which is in effect from 2 PM to 9 PM PDT Wednesday. * IMPACTS...Any fires that develop will likely spread rapidly. * AFFECTED AREA...In Oregon, Fire Weather zones 620, 621, 622, and 623, including Medford, Grants Pass, Ashland, Cave Junction, Eagle Point, Shady Cove, and the Siskiyous and southern Oregon Cascades. * WIND...Northwest 10 to 15 mph with gusts up to 25 mph in the afternoons, becoming east to northeast overnight.

The National Weather Service in Medford has issued a Red Flag Warning, which is in effect from 2 PM to 9 PM PDT Wednesday. * IMPACTS...Any fires that develop will likely spread rapidly. * AFFECTED AREA...In California...Fire weather zone 280, and in Oregon, Fire weather zone 616 and 617. This includes Roseburg, Toketee Falls, Elkton, Tiller, Happy Camp, Etna, and Fort Jones. * WIND...West to northwest 10 to 15 mph with gusts up to 25 mph. * HUMIDITY...Minimum humidity 10 to 15 percent

...RED FLAG WARNING REMAINS IN EFFECT UNTIL 8 PM MDT /9 PM CDT/ THIS EVENING DUE TO WIND AND LOW RELATIVE HUMIDITY FOR PORTIONS OF CENTRAL AND NORTH CENTRAL SOUTH DAKOTA... * AFFECTED AREA...Portions of central and north central South Dakota. * TIMING...Until 9 PM CDT /8 PM MDT/ this evening. * WINDS...North winds 25 to 35 mph with gusts up to 50 mph. * RELATIVE HUMIDITY...Relative Humidity between 30 to 40 percent. * IMPACTS...Any fires that develop will spread rapidly. Outdoor burning is not recommended.

* WHAT...Dangerously hot and humid conditions. Afternoon temperatures 107 to 117. Major to Extreme Heat Risk. * WHERE...Yuma, La Paz, and Eastern Riverside Counties, including the Colorado River Valley. * WHEN...Until 8 PM MST /8 PM PDT/ Friday. * IMPACTS...Increase in heat related illnesses, including heat cramps, heat exhaustion, and heat stroke. Heat stroke can lead to death. An Extreme Heat Warning means that a period of very hot temperatures, even by local standards, will occur. Actions should be taken to

* WHAT...Dangerously hot and humid conditions. Afternoon temperatures 107 to 115. Major to Extreme Heat Risk. * WHERE...Mostly rural areas of Maricopa County and Northern Pinal County. * WHEN...Until 8 PM MST Friday. * IMPACTS...Increase in heat related illnesses, including heat cramps, heat exhaustion, and heat stroke. Heat stroke can lead to death. * ADDITIONAL DETAILS...In Maricopa County, Call 2-1-1 to find a free cooling center, transportation, water and more. https://www.maricopa.gov/heat

* WHAT...Dangerously hot and humid conditions. Afternoon temperatures 110 to 115. Major to Extreme Heat Risk. * WHERE...The Phoenix metropolitan area. * WHEN...Until 8 PM MST Friday. * IMPACTS...Increase in heat related illnesses, including heat cramps, heat exhaustion, and heat stroke. Heat stroke can lead to death. * ADDITIONAL DETAILS...In Maricopa County, Call 2-1-1 to find a free cooling center, transportation, water and more. https://www.maricopa.gov/heat