Expected

Responsive action SHOULD be taken soon (within next hour)

Dense Fog Advisory New Jersey, Pennsylvania | Effective 03/21/2026 00:25

Public safety alert, emergency alert, and weather alert<br /> Description:<br /> * WHAT...Visibility as low as one quarter mile in dense fog. * WHERE...Portions of northern and northwest New Jersey and east<br /> central, northeast, and southeast Pennsylvania. * WHEN...Until 8 AM EDT this morning. * IMPACTS...Low visibility could make driving conditions hazardous. Instruction:<br /> If driving, slow down, use your headlights, and leave plenty of<br /> distance ahead of you.

Red Flag Warning Wyoming | Effective 03/21/2026 00:30

Public safety alert, emergency alert, and weather alert<br /> Description:<br /> * AFFECTED AREA...Fire weather zone 420, 421, 422, 423, 425,<br /> 427,428 and 429. * WIND...Sustained winds 20 to 30 mph, gusting up to 40 mph. * HUMIDITY...9 to 12 percent. * IMPACTS...Any fires that develop will likely spread rapidly.<br /> Outdoor burning is not recommended. * ADDITIONAL DETAILS...Poor overnight humidity recoveries are<br /> expected early Saturday morning. Well above average<br /> temperatures are also expected which will contribute<br />

Red Flag Warning Nebraska, Wyoming | Effective 03/21/2026 00:30

Public safety alert, emergency alert, and weather alert<br /> Description:<br /> * AFFECTED AREA...Fire weather zone 417, 418, 419, 430, 431,<br /> 432, 433, 434, 435, 436, and 437. * WIND...Sustained winds 15 to 25 mph, gusting up to 35 mph. * HUMIDITY...7 to 12 percent. * IMPACTS...Any fires that develop will likely spread rapidly.<br /> Outdoor burning is not recommended. * ADDITIONAL DETAILS...Poor overnight humidity recoveries are<br /> expected early Saturday morning. Well above average<br />

Dense Fog Advisory Pennsylvania | Effective 03/21/2026 00:30

Public safety alert, emergency alert, and weather alert<br /> Description:<br /> * WHAT...Visibility one quarter mile or less in dense fog. * WHERE...A portion of central Pennsylvania. * WHEN...Until 8 AM EDT this morning. * IMPACTS...Low visibility could make driving conditions hazardous. Instruction:<br /> If driving, slow down, use your low-beam headlights, and leave<br /> plenty of distance ahead of you.

Red Flag Warning Oklahoma, Texas | Effective 03/21/2026 00:36

Public safety alert, emergency alert, and weather alert<br /> Description:<br /> ...FIRE WEATHER WATCH REMAINS IN EFFECT FROM SUNDAY MORNING<br /> THROUGH SUNDAY EVENING FOR MUCH OF WESTERN AND CENTRAL OKLAHOMA<br /> AND WESTERN NORTH TEXAS... * WINDS SATURDAY...South 10 to 20 mph with gusts up to 25 mph. * RELATIVE HUMIDITY SATURDAY...As low as 10 to 15 percent. * TEMPERATURES SATURDAY...Highs 95 to 100. * IMPACTS...Any fires that develop will likely spread rapidly.<br /> Outdoor burning is not recommended. * SEVERITY SATURDAY...

Extreme Heat Warning Arizona, California | Effective 03/21/2026 00:39

Public safety alert, emergency alert, and weather alert<br /> Description:<br /> * WHAT...Dangerously hot conditions. Afternoon temperatures 94 to<br /> 108. Overexposure can cause heat cramps and heat exhaustion to<br /> develop and, without intervention, can lead to heat stroke. * WHERE...Portions of southwest Arizona and southeast and southern<br /> California. * WHEN...Until 8 PM MST /8 PM PDT/ Sunday. * IMPACTS...Heat related illnesses increase significantly during<br /> extreme heat events. Instruction:<br />

Extreme Heat Warning Arizona | Effective 03/21/2026 00:39

Public safety alert, emergency alert, and weather alert<br /> Description:<br /> * WHAT...Dangerously hot conditions. Afternoon temperatures 99 to<br /> 106. Overexposure can cause heat cramps and heat exhaustion to<br /> develop and, without intervention, can lead to heat stroke. * WHERE...The Northwest Valley of the Phoenix Metro Area, The East<br /> Valley of the Phoenix Metro Area, Buckeye/Avondale, Deer Valley,<br /> Central Phoenix, North Phoenix/Glendale, Scottsdale/Paradise<br />

Extreme Heat Warning Arizona | Effective 03/21/2026 00:39

Public safety alert, emergency alert, and weather alert<br /> Description:<br /> * WHAT...Dangerously hot conditions. Afternoon temperatures 97 to<br /> 107. Overexposure can cause heat cramps and heat exhaustion to<br /> develop and, without intervention, can lead to heat stroke. * WHERE...Portions of south central and southwest Arizona. * WHEN...Until 8 PM MST Sunday. * IMPACTS...Heat related illnesses increase significantly during<br /> extreme heat events. Instruction:<br /> To reduce risk during outdoor work, the Occupational Safety and<br />

Extreme Heat Warning Arizona | Effective 03/21/2026 00:39

Public safety alert, emergency alert, and weather alert<br /> Description:<br /> * WHAT...Dangerously hot conditions. Afternoon temperatures 94 to<br /> 105. Overexposure can cause heat cramps and heat exhaustion to<br /> develop and, without intervention, can lead to heat stroke. * WHERE...Apache Junction/Gold Canyon, Cave Creek/New River,<br /> Dripping Springs, Fountain Hills/East Mesa, New River Mesa, Rio<br /> Verde/Salt River, and Superior. * WHEN...Until 8 PM MST Sunday. * IMPACTS...Heat related illnesses increase significantly during<br />

Special Weather Statement New York | Effective 03/21/2026 00:42

Public safety alert, emergency alert, and weather alert<br /> Description:<br /> Moist conditions will allow areas of fog to persist early this<br /> morning, mainly at higher elevations. Be prepared for rapid<br /> fluctuations in visibility. Also, temperatures will drop to<br /> near freezing. Exposed wet surfaces, such as bridges, may contain<br /> patchy ice. Exercise caution if traveling early this morning. Instruction:
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