The A66 is closed in both directions with slow traffic due to flooding between A5086 (Cockermouth Roundabout) and Embleton Road.
Police are currently at the scene directing traffic and are advising motorists to avoid the area if possible.
The closure and flooding is affecting traffic heading between Workington and Keswick.
More top news
Emma Jesson brings you Sunday's weather forecast
The Environment Agency has issued a number of flood alerts across Cumbria.
London Mayor Sadiq Khan's comments on Scottish nationalism prompted a fierce response from Scottish First Minister Nicola Sturgeon