Maine Weather Radar
Maine Live Weather
Maine Live Weather Radar
Maine Hourly Weather Forecast
Maine 7-Day Weather Forecast
Maine Weather Overview
Maine is the northernmost and easternmost state in New England, where continental air masses from Canada collide with Atlantic moisture to create dynamic, unpredictable weather. The maine weather radar captures a climate ranging from humid-continental inland to maritime-influenced conditions along the rocky coast. Long winters, heavy snowfall, and rapid temperature swings make the maine weather radar one of the most-checked tools for residents and visitors throughout the state.
Nor'easters are Maine's dominant weather threat, capable of delivering 12–24 inches of snow in a single storm. The Blizzard of 1978 buried Portland under 26.9 inches with hurricane-force gusts, still referenced by NWS GYX as a benchmark. The January 1998 Ice Storm deposited up to 4 inches of freezing rain across central Maine, leaving 200,000 residents without power for weeks. Weather radar maine data shows why the snow-sleet boundary shifts dramatically between coast and interior. Checking maine weather radar from October through April is essential for safe travel across the state.
Hurricane Bob struck coastal Maine in August 1991 with sustained winds of 60–70 mph and gusts over 100 mph. Summer thunderstorms add further risk, and Portland averages about 46 inches of annual precipitation. Two NWS offices cover the state: GYX in Gray-Portland for southern and coastal zones, CAR in Caribou for northern regions. The maine weather radar integrates both coverage areas. Use maine weather radar to track nor'easters, coastal storms, and ice events before conditions deteriorate.
Maine Weather Risks & Safety
Nor'easter Risk
Nor'easters are Maine's biggest multi-threat storms — heavy snow, powerful winds, and coastal flooding all at once. They track up the Eastern Seaboard from fall through early spring and can grind the city to a halt for 24 to 48 hours. On the radar you can see the precipitation bands wrapping around the storm center and track exactly where the heaviest snow or rain is falling. Past nor'easters have buried Maine under record snowfall with widespread power outages.
Blizzard & Heavy Snow Risk
Maine gets hit by blizzards when Arctic air combines with moisture — 12+ inches of snow, 35+ mph winds, near-zero visibility. On the radar you can watch the storm bands approach and figure out exactly when the worst will arrive. That timing matters: get your errands done before the bands reach you, and be ready for power outages and road closures that can last days.
Ice Storm Risk
Ice storms are rare in Maine but devastating when they hit. A quarter-inch of freezing rain coats everything — roads turn into skating rinks, power lines snap, trees come down. The radar shows whether you're getting rain, freezing rain, sleet, or snow — that distinction is critical. When Maine gets an ice storm warning, stay off the roads and prepare for power outages that could last several days.
Winter Storm Risk
Winter storms hit Maine when Gulf or Pacific moisture runs into cold Arctic air — the result is some combination of heavy snow, ice, and strong winds. The key thing to watch on radar is the rain-snow line: that boundary determines whether Maine gets rain, freezing rain, or heavy snow, and it can shift by miles in an hour. When a winter storm watch goes up, stock your emergency supplies and plan to stay home.
Flooding & Flash Flood Risk
Flash flooding is Maine's most persistent weather hazard. Slow-moving thunderstorms or tropical moisture can dump enough rain to overwhelm drainage systems within hours — especially in paved urban areas where water has nowhere to go. Check the radar to see where the heaviest rain is falling and which areas to avoid. The standing rule: turn around, don't drown. Never drive through flooded roads, even if they look shallow.
How to Use Maine Weather Radar
Track Nor'easter Approach
Maine sees 2–6 significant nor'easters per year, primarily from December through March. Open the maine weather radar loop and watch for a rotating low tracking northeast off the coast. Early detection gives you hours to prepare before snow or ice arrives.
Watch Winter Precipitation Type
Maine's snow-sleet-freezing rain boundary shifts by elevation and distance from the coast. Use the radar's precipitation mode alongside hourly forecasts to determine whether your location will see snow, sleet, or dangerous freezing rain — especially along the I-95 corridor between Portland and Bangor.
Monitor Coastal and Inland Conditions
Two NWS offices serve Maine: GYX in Gray-Portland covers southern and coastal zones, while CAR in Caribou handles the vast northern region. Switch between local radar loops to compare storm intensity across both coverage areas before planning travel or outdoor work.
Plan Ahead for Ice Storm Risk
Maine is one of the most ice-storm-prone states in the US. The 1998 event left 200,000 residents without power for weeks. When freezing rain is in the forecast, check the maine weather radar frequently and prepare backup power, supplies, and travel contingencies well in advance.
Who Benefits from Maine Weather Radar
Commuters & Drivers
Drivers on I-95 between Portland and Bangor use radar to time their commute around storms.
Outdoor Enthusiasts
Hikers at Acadia National Park and along the Appalachian Trail check radar before heading out.
Event Planners & Families
Organizers at Portland Head Light and Bar Harbor festivals monitor radar for sudden coastal storms.
Outdoor Workers
Maine fishing crews, loggers, and construction teams rely on radar to schedule safe work days.