Periods of rain will continue through tonight. Some of this rain may be heavy at times, especially during any thunderstorms. Shower and thunderstorm activity should taper into Monday. More showers and storms return later Monday night, lasting through Tuesday night, with heavy rainfall once again possible. possible. * WHAT...Flooding caused by rain and snowmelt continues to be possible. * WHERE...A portion of Northern Lower Michigan, including the following counties, Alcona, Alpena, Antrim, Arenac, Benzie, Charlevoix, Crawford, Gladwin, Grand Traverse, Iosco, Kalkaska, Leelanau, Manistee, Missaukee, Montmorency, Ogemaw, Oscoda, Otsego, Roscommon and Wexford. * WHEN...Through Wednesday morning. * IMPACTS...Excessive runoff may result in flooding of rivers, creeks, streams, and other low-lying and flood-prone locations such as ice-covered inland lakes. * ADDITIONAL DETAILS... - http://www.weather.gov/safety/flood