The B4215 is blocked due to flooding between B4221 / B4216 High Street (Newent) and Whitehall Lane (Rudford).
At least two feet of deep water outside the Malswick Mill. Police advise drivers to avoid this route.
More top news
The evening will stay cloudy with drizzle and fog in hilly areas.
There will be early evening sunshine with a few patches of rain later on.
The Avon fire service has moved its headquarters from Bristol to share Avon and Somerset Police's Portishead base.