Severe

Significant threat to life or property

Texas Severe Thunderstorm Warning | Effective 05/21/2026 01:12

At 312 AM CDT, severe thunderstorms were located along a line extending from 13 miles north of Realitos to near Benavides to Concepcion to 9 miles south of Ramirez, moving east at 30 mph. HAZARD...60 mph wind gusts and penny size hail. SOURCE...Radar indicated. IMPACT...Expect damage to roofs, siding, and trees. Locations impacted include... Premont, Benavides, Concepcion, Palito Blanco, Realitos, La Gloria, Cruz Calle, Ramirez, Rios, and San Jose. This includes US Highway 281 between mile markers 682 and 706.

Texas Flood Watch | Effective 05/21/2026 00:53

* WHAT...Flooding caused by excessive rainfall remains possible over the next several days * WHERE...All of South Texas * WHEN...Through Monday evening. * IMPACTS...Excessive runoff may result in flooding of rivers, creeks, streams, and other low-lying and flood-prone locations. Creeks and streams may rise out of their banks. Flooding may occur in poor drainage and urban areas. * ADDITIONAL DETAILS... - Periods of rain, at times heavy, will continue through the week

Montana Winter Storm Warning | Effective 05/21/2026 00:15

* WHAT...Periods of heavy snow...mainly on north facing slopes above 6500 ft. Total snow accumulations 8 to 15 inches. North winds gusting as high as 30 mph. * WHERE...Absaroka/Beartooth Mountains. * WHEN...Until 6 PM MDT this evening. * IMPACTS...Recreation in the high country will be impacted by heavy accumulating snow. * ADDITIONAL DETAILS...Several inches of snow are expected over Beartooth Pass, which may impact the opening of the highway at the end of the week. Be sure to monitor road conditions before

Texas Flash Flood Warning | Effective 05/20/2026 23:45

FFWCRP The National Weather Service in Corpus Christi has issued a * Flash Flood Warning for... Central Webb County in south central Texas... * Until 345 AM CDT. * At 145 AM CDT, Doppler radar indicated thunderstorms producing heavy rain across the warned area. Up to 2.5 inches of rain have fallen. The expected rainfall rate is 2 inches in 1 hour. Flash flooding is ongoing or expected to begin shortly. HAZARD...Flash flooding caused by thunderstorms. SOURCE...Radar indicated.

Texas Flood Watch | Effective 05/20/2026 22:27

* WHAT...Flooding caused by excessive rainfall continues to be possible. * WHERE...Portions of south central and southeast Texas, including the following areas, in south central Texas, Coastal Jackson and Inland Jackson. In southeast Texas, Brazoria Islands, Coastal Brazoria, Coastal Galveston, Coastal Matagorda, Fort Bend, Galveston Island, Inland Brazoria, Inland Galveston, Inland Matagorda, Matagorda Islands and Wharton. * WHEN...From 7 AM CDT this morning through Monday morning.

Alaska Flood Watch - [Severity] | Effective 05/20/2026 22:02

* WHAT...Flooding caused by snowmelt continues to be possible. * WHERE...Lower Yukon and Innoko Valleys. This includes the communities of Grayling, Holy Cross, and Shageluk. * WHEN...Through Thursday evening. * IMPACTS...High water may result in flooding of rivers, creeks, streams, and other low-lying and flood-prone locations. * ADDITIONAL DETAILS... - The ice jam 10 miles downriver from Russian Mission is still in place as of 4PM Wednesday. The ice jam is about 60 miles

Alaska Flood Warning - [Severity] | Effective 05/20/2026 22:05

* WHAT...Flooding caused by an ice jam continues. * WHERE...Holy Cross. * WHEN...Until midnight AKDT Thursday Night. * IMPACTS...Extensive flooding of rivers, creeks, streams, and other low-lying and flood-prone locations is imminent or occurring. * ADDITIONAL DETAILS... - At 903 PM AKDT, The ice jam 10 miles downriver from Russian Mission is still in place as of 4PM Wednesday. The ice jam is about 60 miles long with the most extensive overbank flooding occurring at Holy Cross. The Holy Cross runway is completely

Alaska Flood Warning - [Severity] | Effective 05/20/2026 22:08

* WHAT...Flooding caused by high water continues. * WHERE...Grayling. * WHEN...Until midnight AKDT Thursday Night. * IMPACTS...Flooding of rivers, creeks, streams, and other low-lying and flood-prone locations is imminent or occurring. * ADDITIONAL DETAILS... - At 905 PM AKDT, the ice jam 10 miles downriver from Russian Mission is still in place as of 4PM Wednesday. The ice jam is about 60 miles long. At Grayling, water levels continued to rise on Wednesday with low lying roads and a few structures

Texas Flash Flood Warning | Effective 05/20/2026 21:48

At 1147 PM CDT, Doppler radar and automated rain gauges indicated thunderstorms producing heavy rain across the warned area. Between 1.5 and 2.5 inches of rain have fallen. Flash flooding is ongoing or expected to begin shortly. HAZARD...Life threatening flash flooding. Thunderstorms producing flash flooding. SOURCE...Radar and automated gauges. IMPACT...Life threatening flash flooding of creeks and streams, urban areas, highways, streets and underpasses. Some locations that will experience flash flooding include...

Louisiana Flood Warning | Effective 05/20/2026 21:27

...The Flood Warning is extended for the following rivers in Louisiana... Calcasieu River near White Oak Park ...The Flood Warning continues for the following rivers in Louisiana... Vermilion River At Lafayette, Surrey Street Gage Additional information is available at www.weather.gov. * WHAT...Minor flooding is forecast. * WHERE...Calcasieu River near White Oak Park. * WHEN...Until early Monday afternoon. * IMPACTS...At 2.0 feet, Minor flooding of Goos Ferry Road will occur. * ADDITIONAL DETAILS...
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