The National Weather Service has issued A FLASH FLOOD WARNING for the following counties or areas: Sierra; Nevada, CA; at 5:37 PM on AUG 27, 2025 Effective until 7:37 PM. Message from WDON. 

The National Weather Service has issued A SEVERE THUNDERSTORM WARNING for the following counties or areas: Sierra, CA; Washoe, NV; Nevada, CA; at 5:14 PM on AUG 27, 2025 Effective until 5:59 PM. Message from WDON. 

The National Weather Service has issued A SEVERE THUNDERSTORM WARNING for the following counties or areas: Southwest Weld; Adams, CO; at 5:07 PM on AUG 27, 2025 Effective until 5:52 PM. Message from WDON. 

The National Weather Service has issued A SEVERE THUNDERSTORM WARNING for the following counties or areas: Redwood, MN; at 4:59 PM on AUG 27, 2025 Effective until 5:59 PM. Message from WDON. 

The National Weather Service has issued A SPECIAL MARINE WARNING for the following counties or areas: Gulf Of Mexico; Gulf Of Mexico; at 4:56 PM on AUG 27, 2025 Effective until 6:26 PM. Message from WDON. 

The National Weather Service has issued A SEVERE THUNDERSTORM WARNING for the following counties or areas: Sierra, CA; Washoe, NV; at 4:53 PM on AUG 27, 2025 Effective until 5:38 PM. Message from WDON. 

A broadcast or cable system has issued A REQUIRED WEEKLY TEST for the following counties or areas: Alexandria, VA; District Of Columbia/Washington DC; Arlington, VA; Baltimore; Calvert; Charles, MD; Clarke; Culpeper; Fairfax (city); Fairfax (county); Falls Church; Fauquier, VA; Frederick, MD; Fredericksburg, VA; Jefferson, WV; Loudoun; Madison; Manassas Park; Manassas, VA; Montgomery, MD; Orange; Page, VA; Prince George's, MD; Prince William; Spotsylvania, VA; St. Mary's, MD; Stafford, VA; Tidal Potomac from Key Bridge to Indian Head,MD, Northwest Atlantic; Warren, VA; Lancaster, PA; St. John, US Virgin Islands; at 4:20 PM on AUG 27, 2025 Effective until 5:20 PM. Message from WDON. 

The National Weather Service has issued A SPECIAL MARINE WARNING for the following counties or areas: Gulf Of Mexico; at 4:07 PM on AUG 27, 2025 Effective until 5:07 PM. Message from WDON. 

A civil authority has issued A PRACTICE/DEMO WARNING for the following counties or areas: New Hampshire; at 4:00 PM on AUG 27, 2025 Effective until 5:00 PM. Message from WDON. The New Hampshire State Police has activated the New Hampshire Emergency Alert System in order to conduct a practice demo.  This concludes this test of the New Hampshire Emergency Alert System. No action required.

The National Weather Service has issued A FLASH FLOOD WARNING for the following counties or areas: South Larimer, CO; at 3:40 PM on AUG 27, 2025 Effective until 7:10 PM. Message from WDON.