Expected

* WHAT...Dangerously hot and humid conditions. Afternoon temperatures 107 to 117. Major Heat Risk. * WHERE...Western and Southern Imperial County, including the Imperial Valley and Salton Sea. * WHEN...Until 8 PM PDT Friday. * 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,

The National Weather Service in Denver CO has issued a Fire Weather Watch in effect from Wednesday afternoon through Wednesday evening. * AFFECTED AREA...Fire Weather Zones 211 AND 213. * TIMING...For the Red Flag Warning, from 1 PM this afternoon to 7 PM MDT this evening. For the Fire Weather Watch, from Wednesday afternoon through Wednesday evening. * WINDS...For the Red Flag Warning west 10 to 15 mph with gusts up to 30 mph, and for the Fire Weather Watch west 10 to 20 mph with gusts up to 30 mph.

...CRITICAL FIRE WEATHER CONDITIONS EXPECTED IN THE WESTERN COLUMBIA RIVER GORGE THIS AFTERNOON THROUGH WEDNESDAY EVENING FOR DRY CONDITIONS AND EASTERLY WINDS UP TO 38 MPH... * AFFECTED AREA...In Washington, Fire Weather Zone 636 Western Columbia River Gorge in Oregon and Washington. * WINDS...East 10 to 20 mph with gusts up to 38 mph. Winds will be strongest this morning through the early afternoon, and again tonight through early Wednesday afternoon. * RELATIVE HUMIDITY...As low as 15-20 percent. Relative humidity

* WHAT...Dangerously hot conditions with high temperatures of 110 to 115 expected. * WHERE...Coachella Valley, San Diego County Deserts, and San Gorgonio Pass near Banning. * WHEN...Until 8 PM PDT Saturday. * 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 of 100 to 110 expected. * WHERE...Apple and Lucerne Valleys. * WHEN...Until 8 PM PDT Saturday. * 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.

* AFFECTED AREA...In Colorado, Fire Weather Zone 202 White River Forecast Area, Fire Weather Zone 205 Colorado River Headwaters and Fire Weather Zone 207 Southwest Colorado Lower Forecast Area. * TIMING...From 1 PM this afternoon to 7 PM MDT this evening. * WINDS...West 10 to 20 mph with gusts up to 30 mph. * RELATIVE HUMIDITY...7 to 12 percent. * IMPACTS...Any fire that develops will catch and spread quickly. Outdoor burning is not recommended. A Red Flag Warning means that critical fire weather conditions

* WHAT...Dangerously hot conditions with high temperatures of 110 to 115 expected. * WHERE...Coachella Valley, San Diego County Deserts, and San Gorgonio Pass near Banning. * WHEN...Until 8 PM PDT Tuesday. * 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 of 100 to 110 expected. * WHERE...Apple and Lucerne Valleys. * WHEN...Until 8 PM PDT Wednesday. * 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.

At 922 PM MST, a wall of dust was along a line extending from 6 miles north of Florence to near Magma to near Blackwater to 10 miles northwest of Chui-Chu, moving northwest at 35 mph. HAZARD...Less than one quarter mile visibility with strong wind in excess of 50 mph. SOURCE...Doppler radar. IMPACT...Dangerous life-threatening travel. This includes the following highways... AZ Interstate 10 between mile markers 182 and 204. AZ Interstate 8 between mile markers 169 and 178. AZ Route 87 between mile markers 124 and 149.

* AFFECTED AREA...In Colorado, Fire Weather Zone 202 White River Forecast Area and Fire Weather Zone 205 Colorado River Headwaters. * TIMING...From 1 PM to 7 PM MDT Tuesday. * WINDS...West 10 to 20 mph with gusts up to 30 mph. * RELATIVE HUMIDITY...8 to 13 percent. * IMPACTS...Any fire that develops will catch and spread quickly. Outdoor burning is not recommended. A Red Flag Warning means that critical fire weather conditions are either occurring now, or will shortly. A combination of