Drivers in the Humboldt area are waking up to heavy fog on Tuesday morning.

The fog will make visibility quite limited on the highways and even within the city, where buildings are covered up more than a few hundred metres away.

It will dissipate throughout the morning hours.

Tuesday's forecast brings a risk of a thunderstorm with a high of 15 degrees. As the week progresses, conditions will work their way up to the 20 degree mark with sunshine.

Click here for the latest forecast.