Fire Weather Planning Forecast for Southern New England
National Weather Service Boston/Norton MA
409 PM EST Fri Jan 16 2026
.DISCUSSION...
Diminishing wind expected tonight. A frontal boundary will bring
a period of accumulating snow to mainly interior northern MA and
western MA into northwest CT late tonight into Saturday. A
coastal storm may bring a plowable snow to portions of the region
Sunday afternoon into Sunday night, especially across southeast
MA and Cape Cod.
Minimum relative humidity values will be 55 to 75 percent
Saturday, and 70 to 85 percent Sunday.
.OUTLOOK...Monday through Friday...
Dry and cold Monday, then an arctic front will deliver a shot of
bitter cold conditions Monday night through Tuesday night with
some moderation in temperatures Wednesday as high pressure moves
into the region. Another frontal system may impact the region
sometime Thursday into Friday.
Southeast Middlesex MA-
Including the cities of Cambridge, Lexington, Newton, Waltham,
and Woburn
409 PM EST Fri Jan 16 2026
Tonight Sat Sat Night Sun
Cloud Cover Pcldy Mcldy Mcldy Mcldy
Precip Type None Snow/rain None Snow
Chance Precip (%) 10 70 10 50
Chance of Thunder (%) 0 0 0 0
Temp (24h trend) 24 (+7) 42 (+11) 29 39
RH % (24h trend) 68 (+9) 62 (+31) 95 71
20ft Wnd AM(mph) Lgt/Var Lgt/Var
20ft Wnd PM(mph) Lgt/Var SW 6 G18 Lgt/Var Lgt/Var
Precip Amount 0.00 0.06 0.00 0.17
Precip Duration 2 2
Precip Begin 6 AM 8 AM
Precip End 6 PM Continuing
Mixing Hgt (ft-AGL) 330 2280 400 3490
Transport Wnd (kts) SW 7 SW 20 SW 9 SW 12
Vent Rate (kt-ft) 2310 45600 3600 41880
Max ADI Early 9 Poor 37 Fair 9 Poor 33 Fair
Max ADI Late 6 Very Poor 37 Fair 8 Poor 42 Gen Good
Max LVORI Early 3 4 6 3
Max LVORI Late 3 4 6 3
Min Vsby Early 10 5 Snow 6 Fog 2 Snow
Min Vsby Late 10 4 Snow 6 Fog
Sunshine Hours N/A N/A N/A N/A
CWR 0 30 0 20
Remarks...None.
.FORECAST FOR DAYS 3 THROUGH 7...
.SUNDAY NIGHT...Mostly cloudy with a chance of snow. Lows in the
mid 20s. West winds around 5 mph.
.MONDAY AND MONDAY NIGHT...Partly cloudy. Lows around 15. Highs
in the lower 30s. West winds 5 to 10 mph.
.TUESDAY AND TUESDAY NIGHT...Mostly clear. Colder. Lows around 9.
Highs in the lower 20s. Southwest winds 5 to 10 mph.
.WEDNESDAY...Mostly sunny. Highs in the upper 20s. Southwest
winds 5 to 10 mph.
.WEDNESDAY NIGHT THROUGH THURSDAY NIGHT...Mostly cloudy with a
chance of snow showers. Lows around 20. Highs in the mid 30s.
Northwest winds 5 to 10 mph.
.FRIDAY...Mostly sunny. Highs in the upper 20s. West winds around
5 mph.
Forecast And Data Provided By NOAA-NWS Boston / Norton, MA