NWS Issues Dense Fog Advisory for North Texas
The National Weather Service in Fort Worth has warned of dense fog across 15 North Texas counties until 10 a.m. Sunday.
Updated on Nov. 1, 2026 in Forecasts
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The National Weather Service Fort Worth issued a dense fog advisory for North Texas at 6:50 a.m. Sunday, in effect until 10 a.m. Visibility in the affected area is one quarter mile or less.
Why it matters
Visibility dropping to one quarter mile or less creates hazardous conditions for drivers during the morning commute across the region. Residents in the affected counties should allow extra travel time and use caution on roads.
The advisory is based on National Weather Service observations of visibility falling to one quarter mile or less across 15 North Texas counties. It is unclear from the advisory whether conditions will improve on schedule at 10 a.m.
The players
National Weather Service Fort Worth
The local forecast office of the National Weather Service responsible for issuing weather advisories and warnings for North Texas.
The details
The advisory covers Wise, Denton, Collin, Parker, Tarrant, Dallas, Hood, Johnson, Montague, Cooke, Grayson, Ellis, Hill, Bell and McLennan counties. Dense fog advisories are issued by local National Weather Service offices when widespread dense fog develops, often reducing visibility to a quarter mile or less.
Timeline
Sunday, 6:50 a.m.: National Weather Service Fort Worth issues the dense fog advisory.
Sunday, 10 a.m.: The dense fog advisory expires.
Seasonal Patterns
Dense fog advisories follow National Weather Service visibility criteria that trigger when visibility falls to one quarter mile or less over a widespread area. This Sunday advisory applies that standard across a 15-county region of North Texas.
Drivers in the affected counties should slow down, use low-beam headlights and allow extra following distance until visibility improves. Check local National Weather Service updates before traveling during the early morning hours.
The takeaway
Early morning fog can reduce visibility quickly, so checking forecasts before leaving home helps travelers plan safer routes.
Further reading
For more on how these alerts are issued, see Forecasts coverage across Texas.
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