Expected

Responsive action SHOULD be taken soon (within next hour)

New Jersey Severe Flood Warning | Effective 07/21/2026 12:31

...The National Weather Service in New York NY has issued a Flood Warning for the following rivers in New Jersey... Saddle River near Lodi affecting Bergen County. For the Saddle River...including Lodi...Minor flooding is forecast. * WHAT...Minor flooding is forecast. * WHERE...Saddle River near Lodi. * WHEN...From this evening to tomorrow afternoon. * ADDITIONAL DETAILS... - At 2:30 PM EDT Tuesday the stage was 3.9 feet. - Bankfull stage is 5.0 feet. - Forecast...The river is expected to rise above flood stage

California Severe Extreme Heat Warning | Effective 07/21/2026 12:33

* WHAT...Hot daytime conditions with high temperatures between 100 and 108 common. Warm overnight conditions will bring less relief than usual. * WHERE...Antelope Valley. * WHEN...From 10 AM Thursday to 8 PM PDT Monday. * 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. Drink plenty of fluids, stay in an air-conditioned room, stay out of

New Mexico Severe Flood Warning | Effective 07/21/2026 12:07

* WHAT...Flooding caused by excessive rainfall is expected. * WHERE...A portion of south central New Mexico, including the following county, Otero. * WHEN...Until 415 PM MDT. * IMPACTS...Flooding of rivers, creeks, streams, and other low-lying and flood-prone locations is imminent or occurring. Low-water crossings are inundated with water and may not be passable. * ADDITIONAL DETAILS... - At 107 PM MDT, emergency management reported heavy rain in the warned area due to thunderstorms. Flooding is ongoing or

Oregon Severe Red Flag Warning | Effective 07/21/2026 12:12

The National Weather Service in Medford has issued a Red Flag Warning, which is in effect from 11 AM to 11 PM PDT Wednesday. The Fire Weather Watch is no longer in effect. * AFFECTED AREA...Areas in southern Oregon along and east of the Cascades and along the western foothills and slopes of the Cascades, including Fire Weather Zones 617...622...623...624 and 625. * THUNDERSTORMS...Moving roughly north to northeast around 20 mph. Storm mode will be mostly wet thunderstorms, but dry

Louisiana, Mississippi Severe Extreme Heat Warning | Effective 07/21/2026 11:50

* WHAT...For the Extreme Heat Warnings, dangerously hot conditions with heat index values in excess of 110 degrees expected, as high as 115 to 120 degrees. * WHERE...Portions of northeast Louisiana and central, southwest, and west central Mississippi. * WHEN...For the Extreme Heat Warning today, until 9 PM CDT this evening. For the Extreme Heat Warning tomorrow, from 10 AM to 8 PM CDT Wednesday. * IMPACTS...Heat related illnesses increase significantly during extreme heat and high humidity events.

Mississippi Severe Extreme Heat Warning | Effective 07/21/2026 11:50

* WHAT...For the Extreme Heat Warnings, dangerously hot conditions with heat index values in excess of 110 degrees expected, as high as 115 to 120 degrees. * WHERE...Portions of south central, southeast, and southwest Mississippi. * WHEN...For the Extreme Heat Warning today, until 9 PM CDT this evening. For the Extreme Heat Warning tomorrow, from 10 AM to 8 PM CDT Wednesday. * IMPACTS...Heat related illnesses increase significantly during extreme heat and high humidity events.

Louisiana, Mississippi Severe Extreme Heat Warning | Effective 07/21/2026 11:50

* WHAT...For the Extreme Heat Warnings, dangerously hot conditions with heat index values in excess of 110 degrees expected, as high as 115 to 120 degrees. * WHERE...Portions of northeast Louisiana and central, southwest, and west central Mississippi. * WHEN...For the Extreme Heat Warning today, until 9 PM CDT this evening. For the Extreme Heat Warning tomorrow, from 10 AM to 8 PM CDT Wednesday. * IMPACTS...Heat related illnesses increase significantly during extreme heat and high humidity events.

Arkansas, Louisiana, Mississippi Severe Extreme Heat Warning | Effective 07/21/2026 11:50

* WHAT...For the Extreme Heat Warning today, dangerously hot conditions with heat index values in excess of 110 degrees expected, as high as 115 to 120 degrees. For the Heat Advisory tomorrow, heat index values in excess of 105 degrees expected. * WHERE...Portions of southeast Arkansas, northeast Louisiana, and central, north central, and northwest Mississippi. * WHEN...For the Extreme Heat Warning today, until 9 PM CDT this evening. For the Heat Advisory tomorrow, from 10 AM to 8 PM CDT Wednesday.

Mississippi Severe Extreme Heat Warning | Effective 07/21/2026 11:50

* WHAT...For the Extreme Heat Warnings, dangerously hot conditions with heat index values in excess of 110 degrees expected, as high as 115 to 120 degrees. * WHERE...Portions of south central, southeast, and southwest Mississippi. * WHEN...For the Extreme Heat Warning today, until 9 PM CDT this evening. For the Extreme Heat Warning tomorrow, from 10 AM to 8 PM CDT Wednesday. * IMPACTS...Heat related illnesses increase significantly during extreme heat and high humidity events.

Arizona, California Severe Extreme Heat Warning | Effective 07/21/2026 11:58

* WHAT...Dangerously hot conditions possible. Afternoon temperatures 108 to 116. Major Heat Risk. * WHERE...Southwest Arizona and southeast California. * WHEN...From 10 AM MST /10 AM PDT/ Wednesday to 8 PM MST /8 PM PDT/ Monday. * 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,
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