Emergency warning sirens to be tested beginning April 2

Boulder County and the City of Boulder will begin audible testing of the countywide emergency sirens at 10 a.m. on Monday, April 2. The test is the first of the monthly emergency audible siren tests, which take place each year on the first Monday of each month from April through August.

The audible siren tests will occur twice on each testing day, at 10 a.m. and 7 p.m., on April 2, May 7, June...