The five National Weather Service offices that service Wisconsin will conduct a test of the tornado watch and warning codes today.

A test tornado watch will be issued at 1 p.m. Test tornado warnings will be issued at 1:45 p.m., which should be followed by a sounding of the warning sirens. Both will expire at 2 p.m.

On some alert systems, the watches and warnings may appear to be real if the words “test” are not seen.