Middlesex County, MA Weather Alerts

Every National Weather Service alert issued for Middlesex County, Massachusetts, pushed to your phone within moments — county code MAC017, forecast zone 4 zones (MAZ005, MAZ014, MAZ026, MAZ015). Free with StormCast.

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How the NWS identifies Middlesex County

These are the identifiers the National Weather Service uses when it issues a warning here. StormCast watches MAC017 directly rather than matching on place names, which is why an alert arrives whether you are in Acton or anywhere else in the county.

NWS County Code

MAC017

Forecast Zones

4 zones (MAZ005, MAZ014, MAZ026, MAZ015)

Forecast Office

Norton (BOX)

Radar Station

KBOX

Towns covered in Middlesex County

An NWS alert for Middlesex County applies to all 79 of these communities. You do not need a separate alert for each one.

Acton Arlington Arlington Heights Ashby Ashland Auburndale Ayer Bedford Belmont Billerica Boxborough Burlington Cambridge Carlisle Chelmsford Chestnut Hill Concord Devens Dracut Dunstable Everett Framingham Groton Hanscom Afb Holliston Hopkinton Hudson Lexington Lincoln Littleton Lowell Malden Marlborough Maynard Medford Melrose Natick New Town Newton Newton Center Newton Highlands Newton Lower Falls Newton Upper Falls Newtonville Nonantum North Billerica North Chelmsford North Reading North Waltham Nutting Lake Pepperell Pinehurst Reading Sherborn Shirley Somerville Stoneham Stow Sudbury Tewksbury Townsend Tyngsboro Village Of Nagog Woods Waban Wakefield Waltham Watertown Waverley Wayland West Groton West Medford West Newton West Townsend Westford Weston Wilmington Winchester Woburn Woodville

River gauges in and around Middlesex County

StormCast tracks 9 gauges near Middlesex County. Set a flood-stage alert on any of them to get notified before the water reaches you.

All Massachusetts river gauges →

Current conditions

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Alert types issued for Middlesex County

Tornado

Tornado Warning, Tornado Watch, Tornado Emergency and Severe Thunderstorm Warning.

How tornado alerts work →

Flooding

Flash Flood Warning, Flood Watch, Flood Advisory and River Flood Warning.

How flood alerts work →

Winter

Winter Storm Warning, Ice Storm Warning, Blizzard Warning and Winter Weather Advisory.

Winter warnings explained →

Fire Weather

Red Flag Warning and Fire Weather Watch when conditions favor rapid fire spread.

Fire weather alerts →

Heat & Cold

Excessive Heat Warning, Heat Advisory, Freeze Warning and Frost Advisory.

Frost & freeze alerts →

Wind & Lightning

High Wind Warning, Wind Advisory and lightning proximity alerts.

Lightning alerts →

Middlesex County weather alert questions

Which NWS forecast zone is Middlesex County in?

Middlesex County, Massachusetts is NWS county code MAC017 and spans 4 forecast zones (MAZ005, MAZ014, MAZ026, MAZ015). Alerts for it are issued by the Norton (BOX) Weather Forecast Office, and the nearest NEXRAD radar is KBOX.

Which towns in Middlesex County are covered?

All of them. NWS alerts are issued at the county and zone level, so a warning for Middlesex County covers every community inside it, including Acton, Arlington, Arlington Heights, Ashby, Ashland, Auburndale, Ayer, Bedford, Belmont, Billerica, Boxborough, Burlington, Cambridge, Carlisle, Chelmsford, Chestnut Hill, Concord, Devens, Dracut, Dunstable, Everett, Framingham, Groton, Hanscom Afb, Holliston, Hopkinton, Hudson, Lexington, Lincoln, Littleton, Lowell, Malden, Marlborough, Maynard, Medford, Melrose, Natick, New Town, Newton, Newton Center, Newton Highlands, Newton Lower Falls, Newton Upper Falls, Newtonville, Nonantum, North Billerica, North Chelmsford, North Reading, North Waltham, Nutting Lake, Pepperell, Pinehurst, Reading, Sherborn, Shirley, Somerville, Stoneham, Stow, Sudbury, Tewksbury, Townsend, Tyngsboro, Village Of Nagog Woods, Waban, Wakefield, Waltham, Watertown, Waverley, Wayland, West Groton, West Medford, West Newton, West Townsend, Westford, Weston, Wilmington, Winchester, Woburn and Woodville.

Are there river gauges in Middlesex County?

Yes — StormCast monitors 9 river gauges in and around Middlesex County, including Assabet River at Maynard, Charles River at Waltham, Shawsheen River at Wilmington. You can set a flood-stage alert on any of them and get a push notification when the water rises.

How fast are alerts for Middlesex County delivered?

StormCast polls the NWS alert feed every 30 seconds. When a warning is issued for MAC017, the push notification goes out within moments — even with your screen off.

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