Expected

Responsive action SHOULD be taken soon (within next hour)

California Severe Extreme Heat Warning | Effective 08/04/2026 12:32

* WHAT...Dangerously hot conditions with several days of Major to Extreme heat risk. * WHERE...Indian Wells Valley, Mojave Desert, and Mojave Desert Slopes. * WHEN...Until 8 PM PDT Wednesday. * IMPACTS...Heat related illnesses increase significantly during extreme heat events. * ADDITIONAL DETAILS...Dangerously hot conditions with high temperatures up to 110 degrees. Overnight lows will range from 75-80 degrees. Drink plenty of fluids, stay in an air-conditioned room, stay out of

California Severe Extreme Heat Warning | Effective 08/04/2026 12:21

* 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.

California Severe Extreme Heat Warning | Effective 08/04/2026 12:21

* 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.

Oregon, Washington Severe Red Flag Warning | Effective 08/04/2026 12:06

...CRITICAL FIRE WEATHER CONDITIONS EXPECTED IN THE WESTERN COLUMBIA RIVER GORGE THIS AFTERNOON THROUGH WEDNESDAY EVENING FOR DRY CONDITIONS AND EASTERLY WINDS UP TO 35 MPH... * AFFECTED AREA...In Washington, Fire Weather Zone 636 Western Columbia River Gorge in Oregon and Washington. * WINDS...Northeast 10 to 20 mph with gusts up to 30-35 mph. Winds will be strongest through this afternoon. * RELATIVE HUMIDITY...As low as 15-20 percent. Relative humidity values will be lowest this afternoon and Wednesday afternoon.

Colorado Severe Red Flag Warning | Effective 08/04/2026 11:33

The National Weather Service in Pueblo has issued a Red Flag Warning for gusty winds and low relative humidity, which is in effect from noon to 7 PM MDT Wednesday. A Fire Weather Watch has also been issued. This Fire Weather Watch for gusty winds and low relative humidity is in effect from Thursday afternoon through Thursday evening. * AFFECTED AREA...Fire Weather Zone 220. * WINDS...West 10 to 20 mph with gusts up to 30 mph. * RELATIVE HUMIDITY...As low as 6 percent.

Colorado Severe Red Flag Warning | Effective 08/04/2026 11:19

* AFFECTED AREA...In Colorado, Fire Weather Zone 202 White River Forecast Area and Fire Weather Zone 207 Southwest Colorado Lower Forecast Area. * TIMING...Until 7 PM MDT this evening. * WINDS...West 10 to 20 mph with gusts up to 35 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

Colorado Severe Red Flag Warning | Effective 08/04/2026 11:19

The National Weather Service in Grand Junction has issued a Red Flag Warning for gusty winds, low relative humidity and dry fuels, which is in effect from 1 PM to 8 PM MDT Wednesday. * AFFECTED AREA...In Colorado, Fire Weather Zone 293 Gunnison Basin Forecast Area. * TIMING...From 1 PM to 8 PM MDT Wednesday. * WINDS...Northwest 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.

Colorado Severe Red Flag Warning | Effective 08/04/2026 11:19

The National Weather Service in Grand Junction has issued a Red Flag Warning for gusty winds, low relative humidity and dry fuels, which is in effect from 1 PM to 8 PM MDT Wednesday. * AFFECTED AREA...In Colorado, Fire Weather Zone 205 Colorado River Headwaters. * TIMING...For the first Red Flag Warning, until 7 PM MDT this evening. For the second Red Flag Warning, from 1 PM to 8 PM MDT Wednesday. * WINDS...West 10 to 20 mph with gusts up to 30 mph. * RELATIVE HUMIDITY...7 to 12 percent.

Colorado Severe Red Flag Warning | Effective 08/04/2026 11:19

The National Weather Service in Grand Junction has issued a Red Flag Warning for gusty winds, low relative humidity and dry fuels, which is in effect from 1 PM to 8 PM MDT Wednesday. * AFFECTED AREA...In Colorado, Fire Weather Zone 205 Colorado River Headwaters. * TIMING...For the first Red Flag Warning, until 7 PM MDT this evening. For the second Red Flag Warning, from 1 PM to 8 PM MDT Wednesday. * WINDS...West 10 to 20 mph with gusts up to 30 mph. * RELATIVE HUMIDITY...7 to 12 percent.

Colorado, Wyoming Severe Red Flag Warning | Effective 08/04/2026 11:20

The National Weather Service in Denver CO has issued a Red Flag Warning in effect from noon to 7 PM MDT Wednesday. * AFFECTED AREA...Fire Weather Zones 211 and 213. * TIMING...For the first Red Flag Warning, until 7 PM MDT this evening. For the second Red Flag Warning, from noon to 7 PM MDT Wednesday. * WINDS...For the first Red Flag Warning, west 10 to 15 mph with gusts up to 35 mph. For the second Red Flag Warning, west 10 to 20 mph with gusts up to 35 mph.
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