Moderate

Possible threat to life or property

Indiana, Michigan Beach Hazards Statement | Effective 05/20/2026 01:12

* WHAT...High wave action, strong currents, and dangerous swimming conditions expected. Piers will be heavily swamped by waves. * WHERE...In Indiana, Northern La Porte county. In Michigan, Northern Berrien and Southern Berrien counties. * WHEN...From 8 AM EDT /7 AM CDT/ this morning through late tonight. * IMPACTS...Strong currents can pull swimmers into deeper water and high waves can sweep people off piers. Remain out of the water to avoid hazardous swimming conditions. Do not venture out on piers.

Michigan Beach Hazards Statement | Effective 05/20/2026 01:18

* WHAT...High wave action, strong currents, and dangerous swimming conditions expected. Piers may be heavily swamped by waves. * WHERE...Ottawa, Allegan and Van Buren counties. * WHEN...From 1 PM EDT this afternoon through late tonight. * IMPACTS...Strong currents can pull swimmers into deeper water and high waves can sweep people off piers. * ADDITIONAL DETAILS...Waves will be on the increase this afternoon as winds pick up out of the north. For a time this afternoon and evening winds will reach the 15 to 25 mph range.

Wyoming Dense Fog Advisory | Effective 05/20/2026 00:50

...FREEZE WARNING REMAINS IN EFFECT UNTIL 10 AM MDT THIS MORNING... * WHAT...For the Dense Fog Advisory, visibility below one quarter of a mile in dense fog. For the Freeze Warning, sub-freezing temperatures as low as 30 degrees. * WHERE...South Laramie Range. * WHEN...For the Dense Fog Advisory, until 9 AM MDT this morning. For the Freeze Warning, until 10 AM MDT this morning. * IMPACTS...Low visibility could make driving conditions hazardous. If driving, slow down, use your headlights, and leave plenty of distance ahead of you.

Wyoming Freeze Warning | Effective 05/20/2026 00:50

...FREEZE WARNING REMAINS IN EFFECT UNTIL 10 AM MDT THIS MORNING... * WHAT...For the Dense Fog Advisory, visibility below one quarter of a mile in dense fog. For the Freeze Warning, sub-freezing temperatures as low as 30 degrees. * WHERE...South Laramie Range. * WHEN...For the Dense Fog Advisory, until 9 AM MDT this morning. For the Freeze Warning, until 10 AM MDT this morning. * IMPACTS...Low visibility could make driving conditions hazardous. If driving, slow down, use your headlights, and leave plenty of distance ahead of you.

Wyoming Freeze Warning | Effective 05/20/2026 00:50

* WHAT...Sub-freezing temperatures as low as 13. * WHERE...Central Carbon County, Ferris/Seminoe/Shirley Mountains, North Snowy Range Foothills, Shirley Basin, Southwest Carbon County, Upper North Platte River Basin, and South Laramie Range. * WHEN...Until 10 AM MDT this morning. * 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.

Michigan Beach Hazards Statement | Effective 05/20/2026 00:52

* WHAT...Dangerous swimming conditions are expected due to high wave action and strong rip currents. * WHERE...Alger County. * WHEN...From 8 AM EDT this morning through this afternoon. * IMPACTS...High wave action and dangerous currents will lead to life threatening swimming conditions. Waves in rapid succession can tire swimmers quickly. * ADDITIONAL DETAILS...Current related fatalities and rescues in the past have occurred due to similar wave conditions at locations listed below:

Delaware, New Jersey, Pennsylvania Heat Advisory | Effective 05/20/2026 00:27

* WHAT...Heat index values up to 97 degrees expected. * WHERE...In Delaware, New Castle County. In New Jersey, Mercer, Camden, Gloucester, and Northwestern Burlington Counties. In Pennsylvania, Delaware, Eastern Chester, Eastern Montgomery, Lower Bucks, and Philadelphia Counties. * WHEN...Until 8 PM EDT this evening. * IMPACTS...Hot temperatures and high humidity may cause heat illnesses. * ADDITIONAL DETAILS...Maximum heat indices near 100 degrees during peak heating this afternoon. Given the intensity of this early
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