Woburn Weather Center  8.2°F

Area Forecast Discussion
National Weather Service Boston/Norton MA
346 PM EST Wed Jan 22 2025

SYNOPSIS
An arctic airmass will persist through tonight with moderating
temperatures Thursday into the weekend although still below
normal. Other than passing snow showers associated with a
Clipper low pressure area Sunday, mainly dry weather will govern
the latter part of this workweek through early next week.
Temperatures cool off to slightly below normal levels Friday and
Saturday, then rebounding to near to slightly above normal
levels for Sunday into early next week.


.NEAR TERM /UNTIL 6 AM THURSDAY MORNING/...

High pressure and mid level ridge move offshore to the east tonight,
with weak shortwave energy and mid level warm front moving through.
Increased moisture is expected with the warm front, but with little
to no upper level support, noting more then increased mid to high
level cloud cover is expected tonight. With little to no wind
and cold air still in place, low temperatures should bottom out
in the single digits again across the interior, and low teens
near the coasts.

.SHORT TERM /6 AM THURSDAY MORNING THROUGH THURSDAY NIGHT/...

Better upper level forcing arrives Thursday in the form of a weak
short wave, but by this time, the better mid level moisture will
have moved off to the north east.  With drying mid levels, not
expecting any precip inland, but a weak low spinning up offshore
could bring some light snow to the Cape and Islands tomorrow.  Most
guidance keeps the snow offshore tomorrow, but a couple of the hi-
res guidance sources do show 1-2 inches possible on the Cape and
Islands.  Given the shallow moisture profiles, I think these values
are a bit bullish, but a 1/2 inch seems more likely if it ends up
snowing. With warming 850mb temps to -10C, and SW surface
winds, high temperatures will be able to warm into the upper 20s
to low 30s.

High pressure builds back overnight, allowing for clearing
skies and calm winds. With good radiational cooling conditions,
overnight low will again drop into the single digits to low
teens.

.LONG TERM /FRIDAY THROUGH WEDNESDAY/...

Key Messages:

* Rather benign weather in the offing for late January standards
  this forecast period; other than a passing Clipper system Sun
  which could bring passing snow showers, dry weather prevails into
  early next week.

* Fri and Sat feature colder than normal temperatures before
  rebounding back to near/slightly above normal levels for Sunday.

* Early next week outlook favors continued dry weather with
  temperatures around normal.

Details:

Overall no substantive change to the forecast and messaging in this
portion of the forecast. Southern New England will be entrenched in
what is climatologically the coldest portion of the calendar year
during this forecast period.

This forecast period will continue be governed by the northern
stream of a split-flow pattern at 500 mb, with mean troughing over
the central and northeastern US and a trough/closed low feature over
the southwest CONUS. Other than passing snow showers in
association with a Clipper low moving in on Sunday, dry weather
looks to be the theme.

Will see a period of colder than normal temps Fri and on Sat, highs
mid 20s to around freezing with lows in the single digits Fri night.
But this shot of cold air does not look to be nearly as stout as the
colder airmass working its way over Southern New England today.
Warmest day of this period then takes place on Sunday with highs in
the low to mid 30s with some sunshine ahead of the 2nd clipper
system Sunday, which then cools us off to around seasonable
temperatures into Mon and Tue.


.AVIATION /21Z WEDNESDAY THROUGH MONDAY/...
Forecast Confidence Levels:

Low - less than 30 percent.
Moderate - 30 to 60 percent.
High - greater than 60 percent.

18z TAF Update:

Today....High confidence.

VFR, with 4-5k ft cigs developing over outer Cape and ACK. Low
risk for MVFR cigs east of HYA. NW wind 5-10 kts.

Tonight...High Confidence

VFR with mid level clouds moving in. moderate risk for MVFR
cigs east of HYA. Light to calm wind becoming light SW after
midnight.

Thursday...High confidence.

VFR cigs with patchy MVFR possible over Cape/Islands. SW wind
around 10 kt. Low chance for a light snow across the Cape and
Islands

Thursday night...High confidence

VFR with light and variable winds 5 knots or less.

KBOS TAF...High Confidence in TAF.

VFR with light and variable winds

KBDL TAF...High Confidence in TAF.

VFR with light and variable winds

Outlook /Friday through Monday/...

Friday through Saturday: VFR.

Saturday Night through Sunday Night: VFR. Breezy.

Monday: Breezy.

.MARINE...
Forecaster Confidence Levels:

Low - less than 30 percent.
Medium - 30 to 60 percent.
High- greater than 60 percent.

Tonight:

Light and variable winds overnight less then 10 knots, except
for extreme northern waters where winds will be SW at 10-15
knots.

Thursday...

Increasing WSW winds, at 10-15 knots. Low risk for a 25 knot
gust in the northern waters, but confidence was not high enough
to issue SCAs.

Thursday Night.

West winds continue at 10-15 knots.
Outlook /Friday through Monday/...

Friday through Friday Night: Winds less than 25 kt.

Saturday: Winds less than 25 kt. Seas locally approaching 5 ft.

Saturday Night: Low risk for Small Craft Advisory winds with
gusts up to 25 kt. Local rough seas.

Sunday: Moderate risk for Small Craft Advisory winds with gusts
up to 25 kt. Areas of rough seas.

Sunday Night through Monday: Low risk for Small Craft Advisory
winds with gusts up to 25 kt. Local rough seas.

.BOX WATCHES/WARNINGS/ADVISORIES...
CT...None.
MA...None.
RI...None.
MARINE...None.

SYNOPSIS...Loconto/KP
NEAR TERM...KP
SHORT TERM...KP
LONG TERM...Loconto
AVIATION...Loconto/KP
MARINE...Loconto/KP          

Zone Forecast Product for Southern New England
National Weather Service Boston/Norton MA
403 PM EST Wed Jan 22 2025

Forecast Synopsis
An arctic airmass will persist through tonight with moderating
temperatures Thursday into the weekend although still below
normal. Other than passing snow showers associated with a
Clipper low pressure area Sunday, mainly dry weather will govern
the latter part of this workweek through early next week.
Temperatures cool off to slightly below normal levels Friday and
Saturday, then rebounding to near to slightly above normal
levels for Sunday into early next week.

Southeast Middlesex MA-
Including the city of Cambridge
403 PM EST Wed Jan 22 2025

.TONIGHT...Mostly cloudy. Lows around 9 above. Southwest winds
around 5 mph.
.THURSDAY...Mostly cloudy in the morning, then becoming partly
sunny. Highs in the upper 20s. Southwest winds 5 to 10 mph.
.THURSDAY NIGHT...Mostly clear. Lows around 14. West winds around
5 mph.
.FRIDAY...Sunny. Highs around 30. West winds 5 to 10 mph.
.FRIDAY NIGHT...Mostly clear. Lows around 10 above. Northwest
winds around 5 mph.
.SATURDAY...Sunny. Highs in the upper 20s.
.SATURDAY NIGHT...Partly cloudy. Near steady temperature in the
lower 20s.
.SUNDAY...Partly sunny. Highs in the mid 30s.
.SUNDAY NIGHT AND MONDAY...Partly cloudy. Lows around 20. Highs
in the mid 30s.
.MONDAY NIGHT...Partly cloudy. Near steady temperature in the
upper 20s.
.TUESDAY...Partly sunny. Highs in the upper 30s.
.TUESDAY NIGHT AND WEDNESDAY...Partly cloudy. Lows around 20.
Highs in the mid 30s.          

REGIONAL WEATHER ROUNDUP
NATIONAL WEATHER SERVICE BOSTON/NORTON MA
600 PM EST WED JAN 22 2025

NOTE:  "FAIR" INDICATES FEW OR NO CLOUDS BELOW 12,000 FEET WITH NO
SIGNIFICANT WEATHER AND/OR OBSTRUCTIONS TO VISIBILITY.

MAZALL-230000-
EASTERN MASSACHUSETTS

CITY           SKY/WX    TMP DP  RH WIND       PRES   REMARKS
BOSTON         PTCLDY    18  -7  32 S7        30.48R WCI   9
BEVERLY        CLEAR     16  -7  35 CALM      30.46S
LAWRENCE       CLEAR     16  -9  32 CALM      30.48R
BEDFORD        CLEAR     12  -8  40 S3        30.46R
NORWOOD        CLEAR     13   1  59 CALM      30.47S
MARSHFIELD     PTCLDY    14   0  52 CALM      30.48F
PLYMOUTH       CLEAR     11   2  67 CALM      30.46S
TAUNTON        CLEAR      7   3  84 CALM      30.48R
NEW BEDFORD    CLEAR     14   3  61 CALM      30.47S


MAZALL-230000-
CAPE COD AND THE ISLANDS

CITY           SKY/WX    TMP DP  RH WIND       PRES   REMARKS
FALMOUTH       NOT AVBL
HYANNIS        CLEAR     14   5  67 CALM      30.46R
CHATHAM        CLEAR     19   4  51 N3        30.48R
PROVINCETOWN   CLEAR     15  -1  49 NW3       30.49S
NANTUCKET      CLEAR     20   9  62 N8        30.47R WCI  10
MARTHAS VNYRD  CLEAR     17   4  56 N5        30.47R WCI  10


MAZALL-230000-
CENTRAL AND WESTERN MASSACHUSETTS

CITY           SKY/WX    TMP DP  RH WIND       PRES   REMARKS
WORCESTER      CLEAR     13 -10  35 W6        30.39R WCI   4
FITCHBURG      CLEAR      6  -6  57 CALM      30.45R
ORANGE         CLEAR      9  -1  64 S3        30.44R
SPRINGFIELD    PTCLDY    12  -7  42 SW6       30.44R WCI   2
WESTFIELD      PTCLDY    13  -3  49 S3        30.47R
NORTH ADAMS    PTCLDY     6  -2  69 CALM      30.43R
PITTSFIELD     PTCLDY     9  -8  46 SW5       30.36R WCI   1


RIZALL-230000-
RHODE ISLAND

CITY           SKY/WX    TMP DP  RH WIND       PRES   REMARKS
PROVIDENCE     PTCLDY    18  -6  34 CALM      30.48S
NEWPORT        CLEAR     17  -4  39 E3        30.47R
SMITHFIELD     CLEAR      9  -3  58 CALM      30.45R
WESTERLY       CLEAR     15  -2  46 CALM      30.48R


CTZALL-230000-
CONNECTICUT

CITY           SKY/WX    TMP DP  RH WIND       PRES   REMARKS
BRADLEY INTL   MOCLDY    18  -4  37 S5        30.48R WCI  11
HARTFORD       PTCLDY    16  -6  37 VRB3      30.50R
PLAINVILLE     PTCLDY    16  -6  38 CALM      30.47R
BRIDGEPORT     PTCLDY    19   0  43 CALM      30.50S
DANBURY        PTCLDY    12  -4  48 CALM      30.46S
GROTON         CLEAR     14  -2  49 NW5       30.48S WCI   6
NEW HAVEN      PTCLDY    20   0  41 CALM      30.49S
CHESTER        PTCLDY    14 -11  31 CALM      30.46R
MERIDEN        PTCLDY    14  -1  51 CALM      30.49R
WILLIMANTIC    CLEAR     15  -8  35 CALM      30.48R
OXFORD         PTCLDY    11 -10  38 W3        30.44R


MEZ002-015-021-024-NHZ003-005-008-011-012-014-VTZ005-008-230000-
NORTHERN NEW ENGLAND

CITY           SKY/WX    TMP DP  RH WIND       PRES   REMARKS
PORTLAND ME    CLEAR     16  -8  34 SW5       30.46R WCI   9
BANGOR ME      CLEAR      6  -4  63 NW3       30.45S
CONCORD NH     CLEAR     10  -7  46 CALM      30.44R
MANCHESTER NH  PTCLDY    10  -5  50 SE3       30.44R
NASHUA NH      CLEAR     10  -4  53 CALM      30.47R
PORTSMOUTH NH  PTCLDY    18 -18  20 CALM      30.46R
JAFFREY NH     CLEAR      1  -5  75 CALM      30.37R
KEENE NH       CLEAR      8   0  69 CALM      30.43R
BURLINGTON VT  CLOUDY    15  -5  40 SE5       30.40R WCI   8
MT. WASHINGTON MOCLDY    -9 -22  54 W17         N/A  WCI -33


NYZ052-076-230000-
EASTERN NEW YORK

CITY           SKY/WX    TMP DP  RH WIND       PRES   REMARKS
ALBANY         CLOUDY    15  -5  40 CALM      30.45S
NEW YORK CITY  PTCLDY    19  -3  38 S5        30.50R WCI  12


ANZALL-230000-
MARINE OBSERVATIONS

STATION/POSITION TIME  TEMP    WIND        PRES    VSBY  WAVE
                       AIR SEA DIR/SP/G                  HT/PER
                 (UTC) (F)     (DEG/KT/KT) (MB)    (MI)  (FT/S)
BOSTON BUOY      2240   21 41  190/  6/ 10 1032.4R
BUZZARDS BAY     2200   22     350/  6/  7 1032.6R
NANTUCKET SOUND  2240   23 33   10/ 10/ 14 1031.3R
MASS BAY-STELLWA 2104   23     140/  2/  6 1030.8R  1 7/8  1/ 4
ISLE OF SHOALS   2200   20     250/  6/  8 1031.2R
S OF BLOCK IS    2256      45                N/A           2/ 4


......................KEY.........................
  SKY/WX - SKY CONDITION/PRESENT WEATHER
  TMP    - TEMPERATURE IN FAHRENHEIT
  DWPT   - DEWPOINT IN FAHRENHEIT
  RH     - RELATIVE HUMIDITY IN PERCENT
  WIND   - DIRECTION AND SPEED IN MPH
  PRES   - MEAN SEA LEVEL PRESSURE IN INCHES OF HG
  WCI    - WIND CHILL INDEX
  VSB    - VISIBILITY IN MILES
  HX     - HEAT INDEX
  TC     - TEMPERATURE IN CELSIUS
  VRB    - VARIABLE WIND DIRECTION
  N/A    - NOT AVAILABLE          

Max/Min Temperature and Precipitation Table for
Most of Southern New England
National Weather Service Boston/Norton MA
720 AM EST Wed Jan 22 2025

This is an automated product. These data are preliminary and have
not undergone final quality control by the National Centers for
Environmental Information (NCEI). Therefore, these data are subject
to revision. Final and certified climate data can be accessed at
www.ncei.noaa.gov.

Values represent highs yesterday, lows over the last 12 hours and
precipitation over the last 24 hours.

.BR BOX  0122 ES DH00/TAIRZX/DH07/TAIRZP/PPDRZZ

                           Max        Min         24-Hour
ID         Location        Temp       Temp     Precipitation

Eastern Massachusetts...
 BED        Bedford        18    /    -9    /      T
 BVY        Beverly        18    /     1    /    0.00
 BOS        Boston         19    /    10    /    0.00
 LWM       Lawrence        18    /    -3    /    0.00
 EWB      New Bedford      21    /     8    /      T
 OWD        Norwood        21    /    -1    /    0.00
 PYM       Plymouth        19    /     8    /    0.00
 GHG      Marshfield       19    /    10    /

Cape Cod and the Islands...
 CQX        Chatham        25    /    16    /    0.03
 HYA        Hyannis        22    /    15    /      T
 MVY   Marthas Vineyard    24    /    13    /      T
 ACK       Nantucket       27    /    18    /      T
 FMH       Falmouth        21    /     9    /
 PVC     Provincetown      24    /    18    /

Central and Western Massachusetts...
 FIT       Fitchburg       17    /    -10   /      T
 ORE        Orange         17    /    -16   /    0.00
 CEF      Springfield      19    /    -12   /    0.00
 BAF       Westfield       19    /    -11   /    0.00
 ORH       Worcester       15    /     5    /    0.00

Rhode Island...
 BID     Block Island      25    /    13    /
 SFZ      Smithfield       19    /    -1    /
 UUU        Newport        21    /    12    /      T
 PVD      Providence       19    /     7    /    0.00
 WST       Westerly        20    /     8    /    0.00

Northern Connecticut...
 BDL   Hartford-Bradley    21    /    -6    /    0.00
 HFD       Hartford        20    /    -1    /    0.00
 IJD      Willimantic      17    /    -4    /    0.00