Expected

Responsive action SHOULD be taken soon (within next hour)

Tennessee Severe Flood Warning | Effective 08/08/2026 17:11

...The National Weather Service in Nashville has issued a Flood Warning for the following rivers in Tennessee... Mill Creek Near Nolensville affecting Davidson County. * WHAT...Flooding due to heavy rainfall. * WHERE...Mill Creek near Nolensville. * WHEN...From this evening to late tonight. * ADDITIONAL DETAILS... - At 7:00 PM CDT Saturday the stage was 10.8 feet. - Forecast...No forecast is available for this location. - Flood stage is 13.0 feet. - Flood History...This crest compares to a previous crest of 10.7

Arizona, California, Nevada Severe Extreme Heat Warning | Effective 08/08/2026 16:05

* WHAT...Dangerously hot conditions with highs 110 to 120 degrees across the Mojave Desert. Highs 95 to 105 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...Until 8 PM PDT /8 PM MST/ Sunday.

Oregon, Washington Severe Red Flag Warning | Effective 08/08/2026 14:48

...BREEZY WESTERLY WINDS AND LOW RELATIVE HUMIDITY CONTINUE TODAY THROUGH THE CASCADE GAPS AND INTO THE COLUMBIA BASIN... .Breezy westerly winds through the Cascade gaps will likely (80% chance) overlap with low relative humidity and generate Red Flag conditions continue this afternoon and evening. * AFFECTED AREA...Fire Weather Zones 691 Lower Columbia Basin of Oregon and 691 Lower Columbia Basin of Washington. * TIMING...Until 11 PM PDT this evening. * WINDS...West 10 to 20 mph with gusts up to 30 mph.

Washington Severe Red Flag Warning | Effective 08/08/2026 14:48

...BREEZY WESTERLY WINDS AND LOW RELATIVE HUMIDITY CONTINUE TODAY THROUGH THE CASCADE GAPS AND INTO THE COLUMBIA BASIN... .Breezy westerly winds through the Cascade gaps will likely (80% chance) overlap with low relative humidity and generate Red Flag conditions continue this afternoon and evening. * AFFECTED AREA...Fire Weather Zone 690 Kittitas Valley. * TIMING...Until 11 PM PDT this evening. * WINDS...Northwest 10 to 20 mph with gusts up to 30 mph. * RELATIVE HUMIDITY...As low as 18 percent.

Oregon Severe Red Flag Warning | Effective 08/08/2026 14:48

...BREEZY WESTERLY WINDS AND LOW RELATIVE HUMIDITY CONTINUE TODAY THROUGH THE CASCADE GAPS AND INTO THE COLUMBIA BASIN... .Breezy westerly winds through the Cascade gaps will likely (80% chance) overlap with low relative humidity and generate Red Flag conditions continue this afternoon and evening. * AFFECTED AREA...Fire Weather Zones 701 Eastern Columbia River Gorge of Oregon and 703 Warm Springs Reservation. * TIMING...Until 11 PM PDT this evening. * WINDS...Northwest 10 to 20 mph with gusts up to 30 mph.

Wyoming Severe Red Flag Warning | Effective 08/08/2026 14:41

* AFFECTED AREA...Fire weather zones 417 through 433. * WIND...Saturday west to northwest winds from 15 to 25 mph with gusts up to 40 mph. Overnight, lighter variable winds of 5 to 10 mph. Sunday west to northwest winds from 15 to 25 mph with gusts up to 40 mph west of I-25, with winds turning southerly to easterly east of I-25. * HUMIDITY...Daytime minimum RH between 5 and 10 percent on Saturday, and between 8 and 12 percent on Sunday. Overnight recoveries of 20 to 40 percent along and west of Interstate

California Severe Extreme Heat Warning | Effective 08/08/2026 14:08

* WHAT...Dangerously hot conditions. Afternoon temperatures 100 to 113. Major Heat Risk. * WHERE...Chuckwalla Mountains, Chiriaco Summit, and Joshua Tree National Park. * WHEN...Until 8 PM PDT Sunday. * 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,

Arizona, California Severe Extreme Heat Warning | Effective 08/08/2026 14:08

* WHAT...Dangerously hot conditions. Afternoon temperatures 108 to 115. Major Heat Risk. * WHERE...In Arizona, La Paz and Yuma counties. In California, Palo Verde Valley. * WHEN...Until 8 PM MST /8 PM PDT/ Sunday. * 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,

Arizona Severe Extreme Heat Warning | Effective 08/08/2026 14:08

* WHAT...Dangerously hot conditions. Afternoon temperatures 107 to 115. Major Heat Risk. * WHERE...Portions of Maricopa and Northern Pinal counties * WHEN...Until 8 PM MST Sunday. * 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 cooling center, transportation, water and more.
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