Expected

Responsive action SHOULD be taken soon (within next hour)

California Severe Red Flag Warning | Effective 07/20/2026 16:20

* AFFECTED AREA...Interior Humboldt County, Trinity County, and southwestern Siskiyou County. * THUNDERSTORMS...Isolated dry thunderstorms possible through this afternoon. Confidence is low. * OUTFLOW WINDS...Gusty and erratic outflow winds of up to 30 mph is possible. * IMPACTS...any fires that develop will likely spread rapidly. A Red Flag Warning means that critical fire weather conditions are either occurring now, or will shortly. A combination of

North Dakota Severe Red Flag Warning | Effective 07/20/2026 16:10

...RED FLAG WARNING REMAINS IN EFFECT UNTIL 9 PM CDT /8 PM MDT/ THIS EVENING DUE TO WIND AND LOW RELATIVE HUMIDITY FOR MORTON, GRANT, SIOUX, AND EMMONS COUNTIES... .Critical fire weather conditions are expected in parts of south central North Dakota into this evening. Northwest winds will begin to diminish this evening with rising humidity after 7 PM. * AFFECTED AREA...Morton, Grant, Sioux, and Emmons counties. * TIMING...Until 9 PM CDT /8 PM MDT/ this evening. * WINDS...Northwest around 25 mph with gusts up to 40 mph.

Arizona Severe Dust Storm Warning | Effective 07-20-2026 15:59

The National Weather Service in Tucson has issued a * Dust Storm Warning for... Northeastern Cochise County in southeastern Arizona... * Until 500 PM MST. * At 359 PM MST, a dust channel was located 24 miles northeast of Chiricahua National Monument, moving south at 15 mph. HAZARD...Less than a quarter mile visibility. SOURCE...Radar indicated. IMPACT...Dangerous life-threatening travel. * Locations impacted include... San Simon. This includes Interstate 10 between mile markers 379 and 391. Motorists should not drive into a dust storm. PULL ASIDE STAY ALIVE!

Arizona Severe Dust Storm Warning | Effective 07/20/2026 15:59

The National Weather Service in Tucson has issued a * Dust Storm Warning for... Northeastern Cochise County in southeastern Arizona... * Until 500 PM MST. * At 359 PM MST, a dust channel was located 24 miles northeast of Chiricahua National Monument, moving south at 15 mph. HAZARD...Less than a quarter mile visibility. SOURCE...Radar indicated. IMPACT...Dangerous life-threatening travel. * Locations impacted include... San Simon. This includes Interstate 10 between mile markers 379 and 391.

New Mexico Severe Dust Storm Warning | Effective 07-20-2026 15:40

The National Weather Service in El Paso has issued a * Dust Storm Warning for... Northwestern Hidalgo County in southwestern New Mexico... * Until 600 PM MDT. * At 440 PM MDT, a dust channel was 8 miles west of Lordsburg, moving south at 35 mph. HAZARD...Less than a quarter mile visibility with strong wind in excess of 50 mph. SOURCE...Law enforcement. IMPACT...Dangerous life-threatening travel. * This includes Interstate 10 in New Mexico between mile markers 1 and 18. Locations impacted include...

South Dakota Severe Red Flag Warning | Effective 07/20/2026 15:32

...RED FLAG WARNING REMAINS IN EFFECT UNTIL 8 PM MDT THIS EVENING DUE TO WIND AND LOW RELATIVE HUMIDITY FOR CORSON AND DEWEY... ...RED FLAG WARNING REMAINS IN EFFECT UNTIL 9 PM CDT THIS EVENING DUE TO WIND AND LOW RELATIVE HUMIDITY FOR CAMPBELL, WALWORTH, AND POTTER... * AFFECTED AREA...In South Dakota, Corson and Dewey. * TIMING...Until 8 PM MDT this evening. * WINDS...North winds 15 to 25 mph with gusts up to 40 mph. * RELATIVE HUMIDITY...Relative Humidity down to around 20 percent.

South Dakota Severe Red Flag Warning | Effective 07/20/2026 15:32

...RED FLAG WARNING REMAINS IN EFFECT UNTIL 8 PM MDT THIS EVENING DUE TO WIND AND LOW RELATIVE HUMIDITY FOR CORSON AND DEWEY... ...RED FLAG WARNING REMAINS IN EFFECT UNTIL 9 PM CDT THIS EVENING DUE TO WIND AND LOW RELATIVE HUMIDITY FOR CAMPBELL, WALWORTH, AND POTTER... * AFFECTED AREA...In South Dakota, Campbell, Walworth, and Potter. * TIMING...Until 9 PM CDT this evening. * WINDS...Northwest winds 15 to 25 mph with gusts up to 40 mph. * RELATIVE HUMIDITY...Relative Humidity down to around 20 percent.

New Mexico Severe Dust Storm Warning | Effective 07/20/2026 15:40

The National Weather Service in El Paso has issued a * Dust Storm Warning for... Northwestern Hidalgo County in southwestern New Mexico... * Until 600 PM MDT. * At 440 PM MDT, a dust channel was 8 miles west of Lordsburg, moving south at 35 mph. HAZARD...Less than a quarter mile visibility with strong wind in excess of 50 mph. SOURCE...Law enforcement. IMPACT...Dangerous life-threatening travel. * This includes Interstate 10 in New Mexico between mile markers 1 and 18. Locations impacted include...

Texas Severe Flood Warning | Effective 07/20/2026 14:22

...The National Weather Service in Midland/Odessa has issued a Flood Warning for the following rivers in Texas... Rio Grande near Castolon, Texas affecting Brewster County. For the Rio Grande...including the Rio Grande at Castolon, Texas... Minor flooding is forecast. * WHAT...Minor flooding is forecast. * WHERE...Rio Grande near Castolon, Texas. * WHEN...From this afternoon to Wednesday morning. * IMPACTS...At 15.0 feet, the river reaches minor flood stage, and lowland flooding begins. The river begins to flood the road

Oregon Severe Red Flag Warning | Effective 07/20/2026 12:37

...The upper level low over the region will shift to the east just enough to allow for monsoonal moisture to move into the region. Instability will accompany the moisture and allow for increased chances of thunderstorms across central Oregon and the eastern mountains. Isolated dry thunderstorms could spark new wildfires and gusty outflow winds can affect fires already on the landscape... * AFFECTED AREA...Fire Weather Zones 698 Southern Blue
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