Monrovia's thunderstorms, winds and hail could last into the nightMonday, according to the National Weather Service.
Showers are expected to touch down during the day and winds will be 5 to 10 mph with a chance of gusts up to 25 mph.
With a high of only 56 degrees, it's going to be chillier than it has been.
The storm will taper down by 10 p.m. and Tuesday is expected to be sunny, albeit still cold, with a high of just 56 degrees.
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