Severe

Significant threat to life or property

Kentucky Flash Flood Warning - Severe | Effective 05/30/2026 02:38

FFWLMK The National Weather Service in Louisville has issued a * Flash Flood Warning for... Southwestern Butler County in south central Kentucky... * Until 730 AM CDT. * At 438 AM CDT, Doppler radar indicated thunderstorms producing heavy rain across the warned area. Between 1 and 2.5 inches of rain have fallen. The expected rainfall rate is 1.5 to 3 inches in 1 hour. Additional rainfall amounts of 0.5 to 1.5 inches are possible in the warned area. Flash flooding is ongoing or expected to begin shortly.

Tennessee Flash Flood Warning - Severe | Effective 05/30/2026 02:08

FFWMRX The National Weather Service in Morristown has issued a * Flash Flood Warning for... Northwestern Anderson County in east Tennessee... Southwestern Campbell County in east Tennessee... East Central Morgan County in east Tennessee... South Central Scott County in east Tennessee... * Until 915 AM EDT. * At 508 AM EDT, Doppler radar indicated thunderstorms producing heavy rain across the warned area. Between 2 and 3.5 inches of rain have fallen over the last hour or two. Flash flooding is

Montana Flood Watch - Severe | Effective 05/30/2026 02:14

* WHAT...Flooding caused by excessive rainfall continues to be possible. * WHERE...Portions of central and north central Montana, including the following areas, in central Montana, Gates of the Mountains. In north central Montana, Cascade County below 5000ft, East Glacier Park Region, Eastern Glacier, Western Toole, and Central Pondera, Eastern Pondera and Eastern Teton, Northern High Plains, Southern High Plains and Southern Rocky Mountain Front. * WHEN...From noon MDT today through Monday afternoon.

Tennessee Flash Flood Warning - Severe | Effective 05/30/2026 01:25

FFWMRX The National Weather Service in Morristown has issued a * Flash Flood Warning for... Central Anderson County in east Tennessee... East Central Morgan County in east Tennessee... * Until 830 AM EDT. * At 425 AM EDT, Doppler radar indicated thunderstorms producing heavy rain across the warned area. Between 2 and 3 inches of rain have fallen over the last hour. Flash flooding is ongoing or expected to begin shortly. HAZARD...Flash flooding caused by thunderstorms. SOURCE...Radar.

Tennessee Flash Flood Warning - Severe | Effective 05/30/2026 00:46

FFWMRX The National Weather Service in Morristown has issued a * Flash Flood Warning for... East Central Greene County in east Tennessee... * Until 745 AM EDT. * At 346 AM EDT, Emergency management reported Flash Flooding was ongoing in Horse Creek Recreation Area and areas immediately downstream along Horse Creek. While no rain is occurring at the moment, radar estimates upwards of 2 inches fell between Midnight and 2 AM EDT in far southeast Greene County. HAZARD...Flash flooding caused by thunderstorms.

Wyoming High Wind Watch - Severe | Effective 05/30/2026 00:22

* WHAT...West winds 25 to 35 mph with gusts up to 60 mph possible. * WHERE...Southeast Wyoming wind-prone areas including Interstate 80 near Arlington and the Summit and Interstate 25 near Bordeaux, and South Laramie Range Foothills. * WHEN...From this evening through Sunday afternoon. * IMPACTS...Mainly to transportation. Strong cross winds will be hazardous to light weight or high profile vehicles, including campers and tractor trailers. A High Wind Watch means there is the potential for a hazardous high

Storm Warning - Severe | Effective 05/29/2026 23:45

* WHAT...North winds 25 to 35 kt with gusts up to 50 kt and seas 8 to 13 feet. * WHERE...Ocean Waters from the Merrimack River to Plymouth from 40 to 60 NM, Ocean Waters from Provincetown to Nantucket from 20 to 60 NM, Ocean Waters from Marthas Vineyard to Nantucket from 25 to 60 NM and Ocean Waters from Montauk NY to Marthas Vineyard from 25 to 60 NM. * WHEN...Until 8 PM EDT this evening. * IMPACTS...Storm force winds and hazardous seas will capsize or damage vessels and reduce visibility.

Storm Warning - Severe | Effective 05/29/2026 23:45

* WHAT...Northwest winds 30 to 40 kt with gusts up to 50 kt and seas 5 to 8 feet. * WHERE...In Massachusetts coastal waters, Coastal Waters extending out to 25 NM South of Marthas Vineyard and Nantucket. In Rhode Island coastal waters, Coastal Waters from Montauk NY to Marthas Vineyard extending out to 20 NM South of Block Island. * WHEN...Until 8 PM EDT this evening. * IMPACTS...Storm force winds and hazardous seas will capsize or damage vessels and reduce visibility.

Storm Warning - Severe | Effective 05/29/2026 23:45

* WHAT...Northwest winds 25 to 35 kt with gusts up to 50 kt and seas 4 to 6 feet. * WHERE...In Massachusetts coastal waters, Nantucket Sound, Vineyard Sound and Buzzards Bay. In Rhode Island coastal waters, Rhode Island Sound and Block Island Sound. * WHEN...Until 8 PM EDT this evening. * IMPACTS...Storm force winds and hazardous seas will capsize or damage vessels and reduce visibility. Mariners should remain in port, alter course, and/or secure the vessel for severe conditions.
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