Weather Alerts Map

Rhode Island dense fog advisories

There are no dense fog advisories in Rhode Island right now. The last one was issued on July 1, 2025.

Fog will reduce visibility to a quarter mile or less, making driving hazardous.

Updated from the National Weather Service ยท lists refresh hourly; the live map loads current alerts directly from the NWS

Map data: NWS, OpenFreeMap, OpenStreetMap

Active dense fog advisories in Rhode Island

None right now. Other active alerts in Rhode Island: none.

Dense Fog Advisories in Rhode Island by year

Rhode Island averaged 14.7 dense fog advisories per year from 2016 to 2025. The most recent was issued on July 1, 2025.

16: 416417: 27172718: 23182319: 18191820: 18201821: 11211122: 19221923: 16231624: 924925: 2252
Dense Fog Advisories issued in Rhode Island per year
Jan: 7Jan7Feb: 13Feb13Mar: 12Mar12Apr: 13Apr13May: 18May18Jun: 14Jun14Jul: 15Jul15Aug: 7Aug7Sep: 21Sep21Oct: 11Oct11Nov: 3Nov3Dec: 13Dec13
Dense Fog Advisories in Rhode Island by month, 2016โ€“2025

Counties with the most dense fog advisories

What a dense fog advisory means

Dense fog can cause chain-reaction crashes on highways because drivers suddenly lose sight of the road ahead.

More about dense fog advisories and the national map โ†’

What to do

More Rhode Island alerts