Update at 11:40am: Old Priest Grade is now back open.
Original story at 11am: Groveland, CA — In order to clean out the ditches, Old Priest Grade is closed this morning.
The Tuolumne County Roads Department reports that the closure will likely last a “couple of hours.” New Priest Grade is the alternate route. Another heavy storm system is anticipated to hit the region later today. A flood warning remains in effect through early Saturday morning for Tuolumne and Calaveras counties, according to the National Weather Service. Click here to read more information.