Monday is Halloween, and while there's still time for the picture to change, costume planners might want to be aware the weather forecast calls for a chance of rain.

High temperatures Monday are expected to be around 50 degrees. Weather Underground notes a 30 percent chance for rain, while weather.com currently puts it at 40 percent.

For a rundown of trick-or-treat hours and holiday events in the next few days, see our Halloween Guide.

Tomorrow's weather, meanwhile, looks to be a mixture of clouds and sun with a high around 50. Rain is expected Sunday night.

Keep up to date on the latest forecasts on the AnnArbor.com weather page.