Expected

Responsive action SHOULD be taken soon (within next hour)

California Severe Extreme Heat Warning | Effective 08/03/2026 01:24

* WHAT...Dangerously hot conditions with high temperatures of 100 to 110 expected. * WHERE...Apple and Lucerne Valleys. * WHEN...From 10 AM this morning to 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.

California Severe Extreme Heat Warning | Effective 08/03/2026 01:24

* WHAT...Dangerously hot conditions with high temperatures of 112 to 116 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.

California Severe Extreme Heat Warning | Effective 08/03/2026 01:24

* WHAT...Dangerously hot conditions with high temperatures in the 90s to near 100 below 7000 feet expected. * WHERE...Riverside County Mountains. * WHEN...Until 8 PM PDT this evening. * 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 08/03/2026 01:24

* WHAT...Dangerously hot conditions with high temperatures in the mid 90s to 105 expected. * WHERE...San Bernardino and Riverside County Valleys-The Inland Empire. * WHEN...Until 8 PM PDT this evening. * 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.

West Virginia Severe Flood Warning | Effective 08/03/2026 00:49

* WHAT...Flooding caused by excessive rainfall continues. * WHERE...A portion of southeast West Virginia, including the following counties, Greenbrier and Summers. * WHEN...Until 530 AM EDT. * IMPACTS...Flooding of rivers, creeks, streams, and other low-lying and flood-prone locations is imminent or occurring. The river gage at Little Sewell Creek at Rainelle remains in Minor Flood stage. * ADDITIONAL DETAILS... - At 348 AM EDT, Doppler radar and automated rain gauges

California Severe Extreme Heat Warning | Effective 08/03/2026 00:56

* 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 112 degrees. Overnight lows will range from 75-80 degrees. Drink plenty of fluids, stay in an air-conditioned room, stay out of

North Dakota Severe Red Flag Warning | Effective 08/03/2026 00:35

...RED FLAG WARNING REMAINS IN EFFECT UNTIL 9 PM CDT /8 PM MDT/ THIS EVENING FOR SOUTHWEST NORTH DAKOTA, AND FROM 11 AM MDT /NOON CDT/ THIS MORNING TO 8 PM MDT /9 PM CDT/ THIS EVENING FOR PARTS OF SOUTH CENTRAL NORTH DAKOTA... .Critical fire weather conditions are expected across southwest and parts of south central North Dakota today. Northerly winds will increase to around 25 to 30 mph this afternoon, with gusts as high as 40 mph. Relative humidity could fall as low as 25 percent this afternoon.

North Dakota Severe Red Flag Warning | Effective 08/03/2026 00:35

...RED FLAG WARNING REMAINS IN EFFECT UNTIL 9 PM CDT /8 PM MDT/ THIS EVENING FOR SOUTHWEST NORTH DAKOTA, AND FROM 11 AM MDT /NOON CDT/ THIS MORNING TO 8 PM MDT /9 PM CDT/ THIS EVENING FOR PARTS OF SOUTH CENTRAL NORTH DAKOTA... .Critical fire weather conditions are expected across southwest and parts of south central North Dakota today. Northerly winds will increase to around 25 to 30 mph this afternoon, with gusts as high as 40 mph. Relative humidity could fall as low as 25 percent this afternoon.

South Dakota Severe Red Flag Warning | Effective 08/03/2026 00:20

...RED FLAG WARNING REMAINS IN EFFECT FROM 11 AM MDT /NOON CDT/ THIS MORNING TO 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...From noon CDT /11 AM MDT/ today to 9 PM CDT /8 PM MDT/ this evening. * WINDS...Northwest winds 25 to 35 mph with gusts up to 45 mph. * RELATIVE HUMIDITY...Relative Humidity between 25 to 39 percent.

Arizona Severe Extreme Heat Warning | Effective 08/03/2026 00:28

* 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 Tuesday. * 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
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