The Flash Flood Warning remains in effect until 11:30 pm MDT Thursday for Northwestern Jefferson and Boulder counties.

This is a flash flood emergency for Boulder and Northwest Jefferson County. New evacuations have been ordered from the mouth of Boulder Canyon along Broadway, and then Pearl to Marine.

Widespread flash flooding was causing numerous and widespread road closures were reported across all of Boulder County, as well as Northwestern Jefferson County. Travel is virtually impossible, stay off the roads and stay safe.

Leyden reservoir in northwestern Arvada is also releasing flows at a high rate, with evacuations now occurring downstream of the dam to Alkire Street.

Radar and automated rain gauges indicated that heavy rain was falling in the Foothils of Boulder County into northwest Jefferson County.

Between 1 and 1.5 inches of rain has fallen in the last 3 hours, with another one half to 1 inch expected through the Midnight Hour, mainly in and right next to the foothills.