Cameras and observations indicate that areas of fog have developed across portions of southeast Virginia and interior northeast North Carolina. ons of Accomack County Virginia. Visibilities will vary between one half mile and one mile, but could drop to one quarter mile or less in a few spots. The fog is expected to persist through 7 am this morning, with improving visibilities thereafter. Motorists should be alert for sudden changes in visibility due to the fog. Drive at reduced speeds and use low beam headlights only.

* WHAT. Heat index values up to 106 expected. * WHERE. Bertie, Chowan, Gates, Hertford, Pasquotank, and Perquimans Counties. * WHEN. From 11 AM this morning to 7 PM EDT this evening. * IMPACTS. Hot temperatures and high humidity may cause heat illnesses.