Minor

Minimal to no known threat to life or property

Minor Dense Fog Advisory | Effective 09/01/2026 01:48

* WHAT...For the Dense Fog Advisory, dense fog will reduce visibility to less than one nautical mile. For the Small Craft Advisory, west winds 10 to 15 kt with gusts up to 25 kt and waves 1 to 2 ft expected. * WHERE...Point Isabelle to Lower Entrance of Portage Canal MI. * WHEN...For the Dense Fog Advisory, until 2 PM EDT this afternoon. For the Small Craft Advisory, from 4 PM this afternoon to 8 PM EDT this evening. * IMPACTS...Conditions will be hazardous to small craft. Low

Puerto Rico Minor Flood Advisory | Effective 09/01/2026 00:21

* WHAT...Urban area and small stream flooding caused by excessive rainfall is expected. * WHERE...Arroyo, Maunabo, Patillas, Yabucoa... * WHEN...Until 615 AM AST. * IMPACTS...Rises in small streams and normally dry arroyos. Some low-water crossings may become impassable. River or stream flows are elevated. * ADDITIONAL DETAILS... - At 315 AM AST, Doppler radar indicated heavy rain due to thunderstorms. This will cause urban and small stream flooding.

Minor Dense Fog Advisory | Effective 09/01/2026 00:21

* WHAT...Dense fog with visibility occasionally dipping below one half of a mile expected. * WHERE...Winthrop Harbor to Wilmette Harbor IL. * WHEN...Until 4 PM CDT Tuesday. * IMPACTS...Low visibility will make navigation difficult. * ADDITIONAL DETAILS...The densest fog is favored near and north of Waukegan. Visibility will worsen with increasing distance away from the shoreline. If you must navigate, proceed with caution. Use proper fog signals. Make sure all running lights are on. Remember to use your radar and compass.

Minor Dense Fog Advisory | Effective 09/01/2026 00:26

* WHAT...Dense fog will reduce visibility to 1 NM or less. * WHERE...Whitefish Bay (U. S. Portion)/Whitefish Point to Point Iroquois MI and St. Marys River Point Iroquois to E. Potagannissing Bay. * WHEN...Until 2 PM EDT this afternoon. * IMPACTS...Areas of low visibility will make navigation difficult. If you must navigate, proceed with caution. Use proper fog signals. Make sure all running lights are on. Remember to use your radar and compass.

Minor Dense Fog Advisory | Effective 09/01/2026 00:26

* WHAT...Dense fog will reduce visibility to 1 NM or less. * WHERE...In Lake Huron, Straits of Mackinac within 5 nm of Mackinac Bridge including Mackinac Island. In Lake Michigan, Seul Choix Point to 5NM West of Mackinac Bridge and Norwood MI to 5NM West of Mackinac Bridge including Little Traverse Bay. * WHEN...Until 2 PM EDT this afternoon. * IMPACTS...Areas of low visibility will make navigation difficult. If you must navigate, proceed with caution. Use proper fog

Minor Dense Fog Advisory | Effective 09/01/2026 00:26

* WHAT...Dense fog will reduce visibility to 1 NM or less. * WHERE...St Ignace to False Detour Channel and 5NM East of Mackinac Bridge to Presque Isle Light MI including Bois Blanc Island. * WHEN...Until 2 PM EDT this afternoon. * IMPACTS...Low visibility will make navigation difficult. If you must navigate, proceed with caution. Use proper fog signals. Make sure all running lights are on. Remember to use your radar and compass.

Minor Dense Fog Advisory | Effective 09/01/2026 00:29

* WHAT...Dense fog will reduce visibility to 1 NM or less. * WHERE...Lake Huron from 5NM east of Mackinac Bridge to Presque Isle Lt beyond 5 NM off shore. * WHEN...Until 2 PM EDT this afternoon. * IMPACTS...Low visibility will make navigation difficult. If you must navigate, proceed with caution. Use proper fog signals. Make sure all running lights are on. Remember to use your radar and compass.

Colorado Minor Flood Advisory | Effective 09/01/2026 00:06

* WHAT...Flooding caused by excessive rainfall continues. * WHERE...Cheyenne County in east central Colorado... Southwestern Kit Carson County in east central Colorado... * WHEN...Until 300 AM MDT. * IMPACTS...Minor flooding in low-lying and poor drainage areas. * ADDITIONAL DETAILS... - At 105 AM MDT, Doppler radar indicated heavy rain due to thunderstorms. Minor flooding is ongoing or expected to begin shortly in the advisory area. Between 1 and 3 inches of rain have fallen.

Alaska Minor Flood Advisory | Effective 08/31/2026 23:39

Rain showers continue to move across the area this evening bringing periods of moderate to heavy rain for the Juneau area. Rainfall amounts around the Mendenhall Valley show around an inch of rain has fallen in the last six hours with between another quarter to three quarters of an inch possible. * WHAT...Flooding caused by excessive rainfall is expected. * WHERE...Montana Creek near areas near the low water crossing on Montana Creek Road and near Back Loop Road at the Montana Creek bridge.
Subscribe to RSS - Minor