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Weather for Wilmington, Massachusetts

Lat: 42.56N, Lon: 71.17W
Wx Zone: MAZ005 CWA Used: BOX

Massachusetts Drought Monitor

The Massachusetts Drought monitor is a subset of the United States Monitor, issued every Thursday morning, based on drought conditions the previous Tuesday. The map below shows the current drought level around the state, and the percent of Massachusetts land area in each drought level compared to the previous week.

Read an explanation of the drought intensities and what they mean.

Massachusetts Drought Monitor

Massachusetts Hydrologic Information Statement

Note that if drought conditions are not being experienced, or in the case of river flooding or heavy rain, this statement may be used to indicate river flows or flood potential.

FGUS71 KBOX 122122

522 PM EDT Wed Apr 12 2017

...The Spring Flood Potential is near normal for much of Southern 
New England, except above normal for the Connecticut River...

The Spring flood potential for southern New England is near normal 
for the majority of rivers and streams in the area. The exception
is along the main stem Connecticut River in MA and CT, where the 
flood potential is above normal. The potential for flooding due to
ice jams is over for the season. 

The following web site has a map depicting the flood potential 

This is the ninth winter/spring flood potential outlook of the 2017 
season. This outlook is based on current and forecast 
hydrometeorological conditions. This includes snow cover and snow 
water equivalent, stream and river levels and the amount of ice 
coverage, recent precipitation and temperatures, and expected 
temperatures and precipitation over the next two weeks. 

...Recent Precipitation...

Southern New England experienced below normal precipitation during 
the month of March. Liquid equivalent totals ranged from 2.5 to 3.5 
inches across much of the region. Higher totals of 3 to over 4 
inches fell across much of RI, and portions of eastern MA. 
Precipitation totals were mainly 0.5 to 2 inches below normal for
the month.

April started off with a series of 3 significant precipitation 
events, bringing soaking rains, and in some areas snowfall. April 
precipitation totals were the highest across the eastern half of 
MA, all of RI, and eastern CT. In these areas, liquid equivalent 
precipitation ranged from 3 to 5 inches. The highest totals were 
found across southeast MA. Across the Connecticut River Valley 
region in MA, and across north central CT, precipitation totals 
month-to-date ranged mainly from 3 to 4 inches. 

...Observed snow depths and water equivalents...  

As of April 12, no snow pack remained across southern New England, 
including MA east of Berkshire County, north central and northeast 
CT, and all of RI. This is typical for mid-April.

...River and Ice Conditions... 

As of April 12, river and stream flows ranged from normal to above 
normal. Much of the remaining snow pack across the headwaters of the 
Connecticut and Merrimack Rivers (within NH and VT) melted out due 
to this week's unseasonably warm conditions. The lower Merrimack 
River in MA is expected to crest near or just below Action Stage 
Thursday night, then gradually recede.  However some River Forecast 
Points along the mainstem Connecticut River are forecast to crest 
above Action Stage during Thursday or Thursday night. As of April 
12, a River Flood Watch was in effect for the Connecticut River at 
Middle Haddam, for possible river flooding during the Thursday night 
timeframe. Those with interests for this River Forecast Point should 
stay tuned for updates, via our web site, 
NOAA All Hazards Radio, media, or other information outlets. 

The flooding potential due to ice jams is over for this season.

...Soil Moisture Conditions...  

Soil moisture was near normal for this time of year. Soils were 

...Temperature and Precipitation Outlook...

Mainly dry and seasonably mild conditions prevail for the end of 
this work week as high pressure builds over New England. A few 
showers may accompany a warm front late Saturday into Saturday 
night, followed by warmer weather Sunday. A series of cold fronts 
will bring a cooling trend early next week. Through the middle of 
next week, precipitation may be limited to a half inch or less. 

Looking farther ahead, the Climate Prediction Center's 8 to 14 Day 
Outlook covering the period from April 20 to 26, calls for below 
normal temperatures and above normal precipitation. 


Based on information available at this time, the spring flood 
potential is near normal for the majority of southern New England. 
The exception is across the main stem Connecticut River, where the 
flood potential is above normal.

Rivers and streams were mainly at normal or above normal flows, 
and soil moisture is near normal. A lack of snow pack within 
southern New England is typical for mid-April. This week's 
unseasonable warmth also allowed for considerable snowmelt to 
occur in the headwaters of the Connecticut and Merrimack Rivers in
NH and eastern VT. 

Because of this snowmelt, the lower Connecticut River is expected
to continue to run at elevated levels into this weekend, with 
some River Forecast Points along the river cresting above Action 
Stage. The Connecticut River at Middle Haddam may peak around 
Flood Stage during Thursday night. Because the Connecticut River 
will take some time to recede, this major waterway is in a more 
vulnerable state, should a soaking rainfall materialize. Hence the
Flood Outlook for the lower Connecticut River is above normal.

Otherwise, below normal precipitation over the next several days is 
expected to provide an opportunity for other area rivers and 
streams, including the Merrimack River, to remain nearly steady or 
gradually recede.  

Keep in mind that heavy rain can cause flooding any time of the 
year. Those with interests along rivers and streams should check the 
Hazardous Weather Outlook, which highlights any potential flood 
events over the next 7 days. Go to and 
click on the option Hazards, then click on Local Outlook.

The next outlook will be issued on Thursday, April 27.


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