Expected

Responsive action SHOULD be taken soon (within next hour)

Oregon, Washington Severe Red Flag Warning | Effective 08/03/2026 07:53

...CRITICAL FIRE WEATHER CONDITIONS EXPECTED IN THE SOUTHERN WILLAMETTE VALLEY MONDAY AFTERNOON AND EVENING DUE TO DRY CONDITIONS AND NORTHERLY WINDS GUSTING UP TO 25 MPH... ...CRITICAL FIRE WEATHER CONDITIONS EXPECTED IN THE WESTERN COLUMBIA RIVER GORGE TUESDAY AFTERNOON THROUGH WEDNESDAY EVENING FOR DRY CONDITIONS AND EASTERLY WINDS UP TO 40 MPH... The National Weather Service in Portland has issued a Red Flag Warning for wind and low relative humidity, which is in effect

South Dakota Severe Red Flag Warning | Effective 08/03/2026 07:29

...RED FLAG WARNING REMAINS IN EFFECT UNTIL 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...Until 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 33 to 39 percent. * IMPACTS...Any fires that develop will spread rapidly. Outdoor burning is not recommended.

California, Oregon Severe Red Flag Warning | Effective 08/03/2026 05:04

* IMPACTS...Any fires that develop will likely spread rapidly. * AFFECTED AREA...In Oregon, Fire Weather zones 620, 621, 622, and 623, including Medford, Grants Pass, Ashland, Cave Junction, Eagle Point, Shady Cove, and the Siskiyous and southern Oregon Cascades. * WIND...Northwest 10 to 15 mph with gusts up to 25 mph in the afternoons, becoming east to northeast overnight. * HUMIDITY...Minimum humidity 8 to 15 percent, with poor recoveries as low as 20 percent.

New Jersey, Pennsylvania Severe Flood Warning | Effective 08/03/2026 04:02

* WHAT...Flooding caused by excessive rainfall is expected. * WHERE...Portions of New Jersey, including the following counties, Burlington, Camden, Gloucester, Mercer, Middlesex and Somerset and southeast Pennsylvania, including the following counties, Bucks, Delaware, Montgomery and Philadelphia. * WHEN...Until 1000 AM EDT. * IMPACTS...It will take several hours for all the water from these storms to work through local drainage systems in urban areas. * ADDITIONAL DETAILS...

Utah Severe Red Flag Warning | Effective 08/03/2026 03:23

* AFFECTED AREA...Fire Weather Zone 482 Western Uintah Basin. * WINDS...West 10 to 20 mph with gusts up to 35 mph. * RELATIVE HUMIDITY...9 to 12 percent. Little to no overnight recovery will occur. * IMPACTS...Critical fire weather conditions are expected. Any new fire starts or existing fires may spread rapidly. A Red Flag Warning means that critical fire weather conditions are either occurring now...or are imminent. A combination of strong winds...low relative humidity...and warm temperatures can

Utah Severe Red Flag Warning | Effective 08/03/2026 03:23

* AFFECTED AREA...Fire Weather Zone 481 Western Ashley National Forest, Fire Weather Zone 483 Southern Ashley National Forest, Fire Weather Zone 484 Tavaputs Plateau and Fire Weather Zone 498 Grand Staircase. * WINDS...West 10 to 20 mph with gusts up to 30 mph. * RELATIVE HUMIDITY...5 to 10 percent. Little to no overnight recovery will occur. * IMPACTS...Critical fire weather conditions are expected. Any new fire starts or existing fires may spread rapidly.

Utah Severe Red Flag Warning | Effective 08/03/2026 03:23

* AFFECTED AREA...Fire Weather Zone 489 San Rafael Swell. * WINDS...Northwest 10 to 20 mph with gusts up to 30 mph. * RELATIVE HUMIDITY...5 to 10 percent. Little to no overnight recovery will occur. * IMPACTS...Critical fire weather conditions are expected. Any new fire starts or existing fires may spread rapidly. A Red Flag Warning means that critical fire weather conditions are either occurring now...or are imminent. A combination of strong winds...low relative humidity...and warm temperatures can

Pennsylvania Severe Flood Warning | Effective 08/03/2026 03:26

* WHAT...Flooding caused by excessive rainfall is expected. * WHERE...A portion of southeast Pennsylvania, including the following counties, Bucks and Montgomery. * WHEN...Until 800 AM EDT. * IMPACTS...It will take several hours for all the water from these storms to work through local drainage systems in portions of the warned area. * ADDITIONAL DETAILS... - At 624 AM EDT, Doppler radar and automated rain gauges indicated heavy rain due to thunderstorms. Flooding is

California Severe Extreme Heat Warning | Effective 08/03/2026 02:45

* WHAT...Very warm daytime conditions with high temperatures between 95 and 105 common, except locally up to 108 in the hottest locations. * WHERE...Northern Ventura County Mountains. * WHEN...From 10 AM this morning to 8 PM PDT Tuesday. * IMPACTS...There is a high risk for dangerous heat illness, especially for sensitive groups like the very young, the very old, those without air conditioning, and those active outdoors. * ADDITIONAL DETAILS...Heat hazards may extend into next week for portions of the region.

California Severe Extreme Heat Warning | Effective 08/03/2026 02:45

* WHAT...Dangerously hot conditions with temperatures 100 to 110. * WHERE...Antelope Valley and nearby foothills. * WHEN...Until 8 PM PDT Wednesday. * IMPACTS...There is a high risk for dangerous heat illness, especially for sensitive groups like the very young, the very old, those without air conditioning, and those active outdoors. * ADDITIONAL DETAILS...Heat hazards may extend into next week for portions of the region. Drink plenty of fluids, stay in an air-conditioned room, stay out of
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