Expected

Responsive action SHOULD be taken soon (within next hour)

Vermont Freeze Warning - [Severity] | Effective 05/21/2026 10:41

* WHAT...Sub-freezing temperatures as low as 30 expected. * WHERE...Orange, Washington, Caledonia, Orleans, and Lamoille Counties. * WHEN...From 11 PM this evening to 8 AM EDT Friday. * IMPACTS...Frost and freeze conditions could kill crops, other sensitive vegetation and possibly damage unprotected outdoor plumbing. Take steps now to protect tender plants from the cold.

New York, Vermont Freeze Warning - [Severity] | Effective 05/21/2026 10:41

* WHAT...Sub-freezing temperatures as low as 26 expected. * WHERE...In New York, Southeastern St. Lawrence, Southern Franklin, Western Clinton, and Western Essex Counties. In Vermont, Essex County. * WHEN...From 11 PM this evening to 8 AM EDT Friday. * IMPACTS...Frost and freeze conditions could kill crops, other sensitive vegetation and possibly damage unprotected outdoor plumbing. Take steps now to protect tender plants from the cold.

Louisiana, Mississippi Special Weather Statement | Effective 05/21/2026 10:44

At 1242 PM CDT, Doppler radar was tracking strong thunderstorms along a line extending from Tylertown to near Varnado. Movement was north at 20 mph. HAZARD...Winds in excess of 30 mph. SOURCE...Radar indicated. IMPACT...Gusty winds could knock down tree limbs and blow around unsecured objects. Locations impacted include... Bogalusa, Tylertown, Varnado, Salem, Crossroads, Dexter, and Angie. If outdoors, consider seeking shelter inside a building. Torrential rainfall is also occurring with these storms and may lead

New York Freeze Warning - [Severity] | Effective 05/21/2026 09:47

* WHAT...Sub-freezing temperatures as low as 27 expected. * WHERE...Northern Warren, Hamilton, and Northern Herkimer Counties. * WHEN...From 11 PM this evening to 8 AM EDT Friday. * IMPACTS...Frost and freeze conditions could kill crops, other sensitive vegetation and possibly damage unprotected outdoor plumbing. Take steps now to protect tender plants from the cold.

Illinois, Indiana Flood Warning | Effective 05/21/2026 09:13

...The National Weather Service in Indianapolis IN has issued a Flood Warning for the following rivers in Indiana...Illinois... Wabash River at Mount Carmel. .Multiple rounds of heavy rainfall to start the week will bring minor lowland river flooding to Mount Carmel on the Wabash River as water routes downstream from the White River. More rounds of rainfall going into and through the holiday weekend could make the flooding last longer and bring a higher crest. * WHAT...Minor flooding is forecast.

Indiana Beach Hazards Statement | Effective 05/21/2026 08:43

* WHAT...High wave action and dangerous currents expected at Lake Michigan beaches. Waves 3 to 6 feet expected. * WHERE...Lake IN and Porter Counties. * WHEN...Through late tonight. * IMPACTS...Swimming conditions will be life threatening, especially for inexperienced swimmers. Remain out of the water to avoid dangerous swimming conditions and do not venture out onto piers, jetties, breakwalls, or other shoreline structures.

Illinois Beach Hazards Statement | Effective 05/21/2026 08:43

* WHAT...High wave action and dangerous currents expected at Lake Michigan beaches. Waves 3 to 6 feet expected. * WHERE...Lake IL, Northern Cook and Central Cook Counties. * WHEN...Through Saturday afternoon. * IMPACTS...Swimming conditions will be life threatening, especially for inexperienced swimmers. Remain out of the water to avoid dangerous swimming conditions and do not venture out onto piers, jetties, breakwalls, or other shoreline structures.

Hawaii Wind Advisory - [Severity] | Effective 05/21/2026 08:06

* WHAT...Northeast winds 20 to 30 mph with gusts up to 50 mph. * WHERE...All of Kahoolawe, Lanai, and Molokai, and portions of Maui and the Big Island Hawaii. * WHEN...Until 6 AM HST Friday. * IMPACTS...Winds this strong can tear off shingles, knock down tree branches, blow away tents and awnings and make it difficult to steer, especially for drivers of high profile vehicles. Watch out for falling tree branches when walking or driving. Make sure tents and awnings are secure or take them down. Be prepared for power outages.

Montana Special Weather Statement | Effective 05/21/2026 07:34

Snow levels have largely dropped to around 6,000ft across Southwest Montana this morning, with further reduction in snow levels in the heaviest precipitation east of I-15 and south of I-90. Those traveling near pass level in these areas should be prepared for winter driving conditions this morning, largely in the form of reduced visibility and slushy roads. Precipitation diminishes later this morning and early afternoon.

Minnesota, Wisconsin Beach Hazards Statement - [Severity] | Effective 05/21/2026 06:08

* WHAT...Dangerous swimming conditions are expected along the Lake Superior shoreline due to high wave action and strong rip currents. * WHERE...Minnesota Park Point and Wisconsin Point Beaches. * WHEN...From 4 PM CDT this afternoon through this evening. * IMPACTS...High wave action can make swimming difficult on days such as this. Incoming waves in rapid succession can tire even an experienced swimmer quickly. Rip currents can move you away from land. To avoid being swept away, swim parallel to the shore
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