Spot Forecast
Issued by NWS Boston, MA
Issued by NWS Boston, MA
505
FNUS71 KBOX 021329
FWSBOX
Spot Forecast for Abramson...Mass DCR
National Weather Service Boston/Norton MA
929 AM EDT Sat May 2 2026
Forecast is based on ignition time of 0800 EDT on May 03.
If conditions become unrepresentative, contact the National
Weather Service.
.DISCUSSION...
Dry on Sunday and Monday with more sun/less clouds on Monday
relative to Sunday. High temperatures will warm from mid 50s on
Sunday to the mid 60s on Monday. Winds will be out of the NW
Sunday and SW on Monday, 6 to 10 mph. Minimum relative humidity
will be 35-40 percent each day.
.SUNDAY...
Sky/weather.........Mostly sunny.
CWR.................0 percent.
Max temperature.....Around 54.
Min humidity........35 percent.
Dewpoint............29 decreasing to 25 late in the afternoon.
Min apparent temp...37.
Surface winds (mph).Northwest winds 6 to 8 mph.
Wind (20 ft)........Northwest winds 6 to 8 mph.
Mixing height.......7100 ft AGL.
Transport winds.....Northwest 18 to 23 mph.
Smoke dispersal.....Good (41600 knot-ft) early in the morning
increasing to excellent (130200 knot-ft) in the
afternoon increasing to excellent (124300
knot-ft) late in the afternoon.
LVORI...............1.
ADI.................62 early in the morning increasing to 105 in
the afternoon.
CEILING (KFT).......8.3 decreasing to 7.5 early in the afternoon,
then increasing to 8.6 late in the afternoon.
TIME (EDT) 8AM 9AM 10A 11A 12P 1PM 2PM 3PM 4PM 5PM
Sky (%).........15 16 28 40 43 46 49 46 44 41
Weather cov.....
Weather type....
Tstm cov........
CWR.............0 0 0 0 0 0 0 0 0 0
Temp............41 43 46 47 48 49 50 51 52 52
Dewpoint........31 30 29 28 28 27 27 26 25 25
RH..............67 60 51 47 46 42 41 37 35 35
Heat index (F)..37 39 43 44 45 46 47 51 52 52
20 FT wind dir..NW NW NW NW NW NW NW NW W W
20 FT wind spd..6 6 6 7 7 8 8 8 8 8
20 FT wind gust.13 14 15 16 17 18 18 18 18 17
Surface wnd dir.NW NW NW NW NW NW NW NW W W
Surface wnd spd.6 6 6 7 7 8 8 8 8 8
Surface wnd gst.13 14 15 16 17 18 18 18 18 17
Mix hgt (kft)...2.6 4.3 5.7 6.6 7.1 7.0 6.9 7.1 7.1 6.5
Transp wind dir.N N NW NW NW NW NW NW NW NW
Transp wind spd.18 20 20 20 21 21 22 23 23 22
LVORI...........1 1 1 1 1 1 1 1 1 1
ADI.............62 105 105 105 105 105 105 105 105 105
Vrate kt-ft/1K..42 72 96 113 127 127 130 142 143 124
Ventrate Cat....FR GD GD VGD VGD VGD VGD VGD VGD VGD
Ceiling (kft)...11 10 9.4 8.7 8.3 7.9 7.5 8.0 8.6 9.1
.SUNDAY NIGHT...
Sky/weather.........Mostly clear.
CWR.................0 percent.
Min temperature.....Around 36.
Max humidity........72 percent.
Dewpoint............27.
Min apparent temp...33.
Surface winds (mph).West winds 5 to 7 mph in the evening becoming
light, then becoming southwest around 5 mph
early in the morning.
Wind (20 ft)........West winds around 7 mph decreasing to 5 to 7
mph in the evening, then becoming light around
midnight becoming southwest around 5 mph early
in the morning.
Mixing height.......0 ft AGL.
Transport winds.....West 13 to 20 mph decreasing to 8 to 10 mph in
the late evening and overnight, then shifting
to the southwest around 10 mph early in the
morning.
Smoke dispersal.....Excellent (79000 knot-ft) early in the evening
decreasing to poor (0 knot-ft) late in the
night.
LVORI...............3.
ADI.................105 early in the evening decreasing to 4 late
in the night.
CEILING (KFT).......11 increasing to 13 early, then decreasing to
11 decreasing to 9.3 decreasing to 8.1
increasing to 9.2 early in the morning.
TIME (EDT) 6PM 7PM 8PM 9PM 10P 11P MID 1AM 2AM 3AM 4AM 5AM
Sky (%).........31 21 11 11 11 11 18 26 33 33 33 33
Weather cov.....
Weather type....
Tstm cov........
CWR.............0 0 0 0 0 0 0 0 0 0 0 0
Temp............51 49 47 45 43 41 40 39 38 37 37 38
Dewpoint........25 26 26 26 25 25 26 27 28 28 29 29
RH..............36 40 44 47 49 53 57 62 67 70 72 70
Heat index (F)..51 46 44 43 40 39 38 37 36 34 33 34
20 FT wind dir..W W W W W W W SW SW SW SW SW
20 FT wind spd..7 7 6 5 5 3 3 3 3 3 5 5
20 FT wind gust.16 14 12 10 9 8 7 7 7 7 7 8
Surface wnd dir.W W W W W W W SW SW SW SW SW
Surface wnd spd.7 7 6 5 5 3 3 3 3 3 5 5
Surface wnd gst.16 14 12 10 9 8 7 7 7 7 7 8
Mix hgt (kft)...4.6 2.3 0.4 0.1 0.1 0.2 0.2 0.2 0.2 0.2 0.2 0.3
Transp wind dir.NW W W W W W W W SW SW SW SW
Transp wind spd.20 16 13 10 10 9 8 8 8 8 9 10
LVORI...........1 1 2 2 2 2 3 3 3 3 4 3
ADI.............105 47 6 5 5 4 4 4 4 4 4 5
Vrate kt-ft/1K..79 33 5 0 0 2 2 1 2 1 1 3
Ventrate Cat....GD PR PR PR PR PR PR PR PR PR PR PR
Ceiling (kft)...11 13 14 13 13 12 11 9.3 8.1 8.7 9.2 9.8
.MONDAY...
Sky/weather.........Mostly sunny. Slight chance of rain showers
late in the afternoon.
CWR.................0 percent.
Max temperature.....Around 64.
Min humidity........39 percent.
Dewpoint............32 increasing to 36 early.
Min apparent temp...37.
Surface winds (mph).Southwest winds 5 to 8 mph. Gusts up to 20 mph
early in the afternoon.
Wind (20 ft)........Southwest winds 5 to 8 mph. Gusts up to 20 mph
early in the afternoon.
Mixing height.......6400 ft AGL.
Transport winds.....Southwest 12 to 18 mph shifting to the west 22
to 25 mph in the late morning and afternoon.
Smoke dispersal.....Poor (4300 knot-ft) early in the morning
increasing to excellent (87900 knot-ft) in the
afternoon increasing to excellent (114500
knot-ft) early.
LVORI...............2.
ADI.................11 early in the morning increasing to 105 in
the afternoon.
CEILING (KFT).......8.8 decreasing to 8.0 early, then decreasing to
6.7 early in the afternoon decreasing to 5.3
early in the afternoon decreasing to 4.0
increasing to 5.5 late in the afternoon.
TIME (EDT) 6AM 7AM 8AM 9AM 10A 11A 12P 1PM 2PM 3PM 4PM 5PM
Sky (%).........32 32 31 32 33 34 37 41 44 42 40 38
Weather cov..... SCH
Weather type.... RW
Tstm cov........
CWR.............0 0 0 0 0 0 0 0 0 0 0 0
Temp............40 43 46 49 52 55 57 59 60 62 63 63
Dewpoint........30 32 33 34 34 35 36 36 37 37 38 38
RH..............67 65 60 56 50 47 45 42 42 39 39 39
Heat index (F)..37 39 43 46 52 55 57 59 60 62 63 63
20 FT wind dir..SW SW SW SW SW SW SW SW SW SW SW SW
20 FT wind spd..5 6 6 7 7 8 8 8 8 8 8 8
20 FT wind gust.9 10 12 14 15 17 18 20 20 20 18 17
Surface wnd dir.SW SW SW SW SW SW SW SW SW SW SW SW
Surface wnd spd.5 6 6 7 7 8 8 8 8 8 8 8
Surface wnd gst.9 10 12 14 15 17 18 20 20 20 18 17
Mix hgt (kft)...0.4 0.8 1.5 3.0 4.6 5.9 6.2 6.0 5.7 6.1 6.4 6.1
Transp wind dir.SW SW SW SW W W W W W W SW SW
Transp wind spd.12 13 15 18 22 24 24 24 23 24 25 24
LVORI...........3 3 3 1 1 1 1 1 1 1 1 1
ADI.............11 12 29 68 105 105 105 105 105 105 105 105
Vrate kt-ft/1K..4 9 20 47 88 124 130 126 115 129 141 128
Ventrate Cat....PR PR PR FR GD VGD VGD VGD VGD VGD VGD VGD
Ceiling (kft)...9.3 8.8 8.3 8.2 8.1 8.0 6.7 5.3 4.0 4.7 5.5 6.2
$$
Forecaster...BRW
Requested by...Phil Gilmore
Type of request...PRESCRIBED
.TAG 2612448.0/BOX
.DELDT 05/02/26
.FormatterVersion 2.0.0
.EMAIL phil.gilmore@mass.gov