Spot Forecast
Issued by NWS Boston, MA
Issued by NWS Boston, MA
959
FNUS71 KBOX 160921
FWSBOX
Spot Forecast for Montague Plains WMA 9/16/2026...MassWildlife
National Weather Service Boston/Norton MA
521 AM EDT Wed Sep 16 2026
Forecast is based on ignition time of 0600 EDT on September 16.
If conditions become unrepresentative, contact the National
Weather Service.
.DISCUSSION...
Clouds this early this morning will become mainly sunny late
morning. Winds out of the S/SSW at 5-10 mph. Mixing heights
increase to 2000-2700 ft after noon accompanied by "fair" smoke
dispersal. Relative humidity falls into the 60 percent range this
afternoon with 60 percent as a min value. No precipitation
expected today.
Cloudy and more humid Thursday. Patchy fog possible early Thursday
morning. Winds light and variable less than 8 mph. Relative
humidity levels range in 70 percent range in afternoon. Mixing
heights hovering around 2000 ft in the afternoon with fair smoke
dispersal. Scattered showers arrive after 2 PM. Chance of wetting
rain 30-40 percent. It is lower due to the scattered and brief
nature of the showers.
.TODAY...
Sky/weather.........Partly sunny then becoming mostly sunny.
CWR.................1 percent.
Max temperature.....Around 80.
Min humidity........60 percent.
Dewpoint............54 increasing to 64.
Max apparent temp...79.
Surface winds (mph).Light winds becoming south around 5 mph in the
afternoon.
Wind (20 ft)........South winds around 5 mph early in the morning
becoming light, then becoming south around 5
mph in the afternoon.
Mixing height.......2700 ft AGL.
Transport winds.....Southwest 8 to 10 mph.
Smoke dispersal.....Poor (3000 knot-ft) early in the morning
increasing to fair (21600 knot-ft) in the
afternoon.
LVORI...............5.
ADI.................4 to 31.
CEILING (KFT).......8.0 decreasing to 7.0 early in the morning,
then increasing to 9.0 early increasing to 10
late in the morning increasing to 15 increasing
to 20 early decreasing to 14 decreasing to 11
early in the afternoon increasing to 14.
TIME (EDT) 6AM 7AM 8AM 9AM 10A 11A 12P 1PM 2PM 3PM 4PM 5PM
Sky (%).........69 52 25 28 32 19 31 42 39 53 35 45
Weather cov.....
Weather type....
Tstm cov........
CWR.............0 0 0 0 0 0 0 0 0 0 0 0
Temp............52 52 54 58 63 67 71 74 77 78 78 79
Dewpoint........52 52 54 56 58 60 60 61 62 63 64 65
RH..............100 100 100 93 84 78 68 64 60 60 62 62
Heat index (F)..52 52 54 58 63 67 71 74 77 78 78 79
20 FT wind dir..S S S S S S S S S S S S
20 FT wind spd..3 3 3 3 3 3 5 5 5 5 5 5
20 FT wind gust.7 7 8 8 8 8 8 9 9 9 9 8
Surface wnd dir.S S S S S S S S S S S S
Surface wnd spd.3 3 3 3 3 3 5 5 5 5 5 5
Surface wnd gst.7 7 8 8 8 8 8 9 9 9 9 8
Mix hgt (kft)...0.4 0.4 0.6 1.1 1.3 1.7 1.9 2.3 2.6 2.7 2.7 1.7
Transp wind dir.S S S SW S SW S SW SW SW SW S
Transp wind spd.8 8 10 9 9 9 9 9 9 9 9 8
LVORI...........9 8 8 5 4 3 3 3 2 1 2 2
ADI.............4 8 10 13 15 20 23 27 30 31 31 17
Vrate kt-ft/1K..3 3 6 9 10 14 16 18 21 22 21 12
Ventrate Cat....PR PR PR PR PR PR PR PR PR PR PR PR
Ceiling (kft)...8.0 7.0 9.0 10 15 20 20 14 11 12 15 14
.TONIGHT...
Sky/weather.........Partly cloudy then becoming mostly cloudy then
becoming partly cloudy then becoming mostly
cloudy. Patchy fog early in the morning.
CWR.................0 percent.
Min temperature.....Around 58.
Max humidity........100 percent.
Dewpoint............63 decreasing to 59 early in the morning.
Max apparent temp...77.
Surface winds (mph).Light winds.
Wind (20 ft)........Light winds.
Mixing height.......400 ft AGL.
Transport winds.....South 3 to 7 mph shifting to the west around 3
mph after midnight, then shifting to the north
early in the morning.
Smoke dispersal.....Poor (1300 knot-ft).
LVORI...............7.
ADI.................2 to 7.
CEILING (KFT).......13 decreasing to 1.5.
TIME (EDT) 6 PM 8 PM 10 PM MIDNGT 2 AM 4 AM
Sky (%).........41 57 70 71 67 60
Weather cov..... PATCHY
Weather type....NONE NONE NONE NONE NONE FOG
Tstm cov........
CWR.............0 0 0 0 0 0
Temp............77 71 66 62 61 60
Dewpoint........65 64 63 62 61 60
RH..............67 79 90 100 100 100
Heat index (F)..77 71 66 62 61 60
20 ft wind......S 3 S 2 N 0 N 0 N 0 N 0
20 ft wind gust.7 5 2 1 1 2
Surface wind....S 3 S 2 N 0 N 0 N 0 N 0
Surface wnd gst.7 5 2 1 1 2
Mix hgt (ft)....800 500 400 400 400 400
Transport wind..S 7 S 7 S 6 SW 3 W 3 NE 3
LVORI...........3 4 7 10 10 10
ADI.............7 3 3 2 2 2
Vrate kt-ft/1K..5 3 2 1 1 1
Ventrate Cat....POOR POOR POOR POOR POOR POOR
Ceiling (kft)...15 14 15 10 4.0 2.0
.THURSDAY...
Sky/weather.........Mostly cloudy. Patchy fog early in the morning.
Chance of showers early in the afternoon.
Slight chance of showers late in the afternoon.
CWR.................8 percent increasing to 27 percent early in the
afternoon, then decreasing to 17 percent late
in the afternoon.
Max temperature.....Around 78.
Min humidity........74 percent.
Dewpoint............62 increasing to 66 early.
Max apparent temp...76.
Surface winds (mph).Light winds becoming south around 5 mph in the
afternoon.
Wind (20 ft)........Light winds becoming south around 5 mph in the
afternoon.
Mixing height.......2400 ft AGL.
Transport winds.....Northeast around 3 mph shifting to the south 6
to 12 mph early.
Smoke dispersal.....Poor (1200 knot-ft) early in the morning
increasing to fair (23400 knot-ft) in the
afternoon.
LVORI...............7.
ADI.................1 to 13.
CEILING (KFT).......1.0 decreasing to 0.8 early in the morning,
then increasing to 1.0 late in the morning
increasing to 1.5 early.
TIME (EDT) 6 AM 8 AM 10 AM NOON 2 PM 4 PM
Sky (%).........71 71 65 74 88 91
Weather cov.....PATCHY PATCHY CHANCE S CHC
Weather type....FOG FOG NONE NONE RNSHWR RNSHWR
Tstm cov........
CWR.............0 0 10 10 30 20
Temp............60 61 67 73 75 75
Dewpoint........60 61 64 65 66 67
RH..............100 100 90 76 74 76
Heat index (F)..60 61 67 73 75 75
20 ft wind......N 0 N 1 E 1 S 3 S 5 S 5
20 ft wind gust.2 2 3 6 10 10
Surface wind....N 0 N 1 E 1 S 3 S 5 S 5
Surface wnd gst.2 2 3 6 10 10
Mix hgt (ft)....400 500 1200 2000 2000 2300
Transport wind..N 3 E 3 SE 6 S 7 S 9 S 12
LVORI...........10 9 5 4 4 4
ADI.............2 4 8 13 1 1
Vrate kt-ft/1K..1 1 6 12 16 23
Ventrate Cat....POOR POOR POOR POOR POOR POOR
Ceiling (kft)...1.0 0.8 1.0 1.5 1.5 1.5
$$
Forecaster...Mensch
Requested by...Alex Entrup
Type of request...PRESCRIBED
.TAG 2621971.0/BOX
.DELDT 09/16/26
.FormatterVersion 2.0.0
.EMAIL alex.entrup@mass.gov