Drivers in Northwest Georgia are urged to exercise caution this morning as patchy, dense fog is expected to significantly reduce visibility. The National Weather Service advises motorists that visibility could be less than one-half of a mile in affected areas. The fog is expected to dissipate after 9 AM. Until then, drivers should slow down, use low-beam headlights, and maintain a safe following distance from the vehicle ahead. Later today, scattered thunderstorms are possible across portions of North Georgia. Despite the potential for storms, the day is expected to be partly sunny with a high of 80 degrees. Tonight, there is a 30% chance of showers and thunderstorms, with a low of 59 degrees. Patchy fog is expected to return on Thursday morning. Looking ahead to the rest of the week, isolated thunderstorms are forecast from Thursday through Sunday across portions of North and Central Georgia, with the highest chances in North Georgia. Forecasters currently do not expect widespread severe storms during this period.