Flood Watch Maine, New Hampshire | Effective 03/15/2026 23:22

Heavy rain is expected to develop across the region today through tonight. Widespread totals of 1 to 2 inches of rain are anticipated with locally higher amounts of 3 inches or greater over the White Mountains and Midcoast of Maine. Ice movement is expected across all rivers but the risk for isolated ice jam flooding will mainly be across the north. * WHAT...Flooding caused by rain and snowmelt continues to be possible. * WHERE...Portions of Maine, including the following areas, Androscoggin, Central Interior Cumberland, Central Somerset, Coastal Cumberland, Coastal Waldo, Coastal York, Interior Cumberland Highlands, Interior Waldo, Interior York, Kennebec, Knox, Lincoln, Northern Franklin, Northern Oxford, Sagadahoc, Southern Franklin, Southern Oxford and Southern Somerset and New Hampshire, including the following areas, Belknap, Cheshire, Coastal Rockingham, Eastern Hillsborough, Interior Rockingham, Merrimack, Northern Carroll, Northern Coos, Northern Grafton, Southern Carroll, Southern Coos, Southern Grafton, Strafford, Sullivan and Western And Central Hillsborough. * WHEN...From 2 PM EDT this afternoon through Tuesday afternoon. * IMPACTS...Excessive runoff may result in flooding of rivers, creeks, streams, and other low-lying and flood-prone locations. Flooding may occur in poor drainage and urban areas. Low-water crossings may be flooded.