A Yellow Advisory for fog was issued early Thursday morning, warning drivers that near-zero visibility could make travel hazardous in some areas.
The advisory says locally dense fog developed overnight and is expected to persist through Thursday morning.
Environment officials say visibility could be reduced to near zero in some locations, creating potentially dangerous driving conditions.
Motorists are being urged to slow down and allow extra time to reach their destinations.
Drivers should also be prepared for conditions to change quickly, with visibility potentially dropping significantly over short distances.
