Spot Forecast
Issued by NWS Boston, MA
Issued by NWS Boston, MA
920
FNUS71 KBOX 280727
FWSBOX
Spot Forecast for Frances Crane WMA 3/28/2026...MassWildlife
National Weather Service Boston/Norton MA
327 AM EDT Tue Apr 28 2026
Forecast is based on ignition time of 0600 EDT on April 28.
If conditions become unrepresentative, contact the National
Weather Service.
.DISCUSSION...
For today, expect mostly sunny and dry conditions with highs in
the lower to mid 50s. Expecting NE winds gradually increasing to
7-10mph with gusts as high as 20-23 mph during the afternoon.
Relative humidity values start between 80 and 90 percent and
perhaps as high as 100 percent if patchy fog is able to develop.
Relative humidity values decrease to between 55 and 60 percent by
the afternoon.
Wednesday will start on a foggy note with patchy drizzle and
scattered showers possible. Otherwise, it will be a mostly cloudy
day with northerly winds becoming more northeasterly during the
afternoon. Wind speeds will be between 7 and 10 mph with gusts up
to 18 mph. Relative humidity values will remain between 75 and
80 percent.
.TODAY...
Sky/weather.........Sunny.
CWR.................0 percent.
Max temperature.....Around 55.
Min humidity........55 percent.
Dewpoint............38.
Min apparent temp...34.
Surface winds (mph).Northeast winds 6 to 12 mph.
Wind (20 ft)........Northeast winds 6 to 12 mph.
Mixing height.......2200 ft AGL.
Transport winds.....Northeast 9 to 18 mph.
Smoke dispersal.....Poor (3600 knot-ft) early in the morning
increasing to good (34500 knot-ft) in the
afternoon.
LVORI...............5.
ADI.................9 to 48.
CEILING (KFT).......25.
TIME (EDT) 6AM 7AM 8AM 9AM 10A 11A 12P 1PM 2PM 3PM 4PM 5PM
Sky (%).........7 14 7 3 3 3 2 1 6 7 17 28
Weather cov.....
Weather type....
Tstm cov........
CWR.............0 0 0 0 0 0 0 0 0 0 0 0
Temp............38 39 45 49 51 54 55 55 55 54 53 51
Dewpoint........37 39 40 40 40 39 40 40 39 39 39 38
RH..............96 100 82 71 66 57 57 57 55 57 59 61
Heat index (F)..34 35 42 46 51 54 55 55 55 54 53 51
20 FT wind dir..NE NE NE NE NE NE NE NE NE NE NE NE
20 FT wind spd..6 6 6 7 9 10 10 10 12 12 12 10
20 FT wind gust.14 14 15 16 18 20 20 21 21 21 21 21
Surface wnd dir.NE NE NE NE NE NE NE NE NE NE NE NE
Surface wnd spd.6 6 6 7 9 10 10 10 12 12 12 10
Surface wnd gst.14 14 15 16 18 20 20 21 21 21 21 21
Mix hgt (kft)...0.4 1.2 1.2 1.4 1.9 2.0 2.2 2.2 2.2 2.1 1.9 1.8
Transp wind dir.NE NE NE NE NE NE NE NE NE NE NE N
Transp wind spd.9 13 14 14 16 16 17 17 18 17 17 17
LVORI...........8 5 4 3 3 1 1 1 1 1 1 1
ADI.............9 19 21 25 40 42 47 47 48 44 41 40
Vrate kt-ft/1K..4 13 15 16 27 29 32 32 35 31 29 27
Ventrate Cat....PR PR PR PR PR PR PR PR PR PR PR PR
Ceiling (kft)...25 25 25 25 25 25 25 25 25 25 25 25
.TONIGHT...
Sky/weather.........Partly cloudy then becoming mostly cloudy.
Patchy fog after midnight. Slight chance of
rain showers early in the morning.
CWR.................0 percent.
Min temperature.....Around 41.
Max humidity........96 percent.
Dewpoint............40.
Min apparent temp...39.
Surface winds (mph).North winds 6 to 9 mph. Gusts up to 20 mph
early in the evening.
Wind (20 ft)........North winds 6 to 9 mph. Gusts up to 20 mph
early in the evening.
Mixing height.......700 ft AGL.
Transport winds.....North 14 to 17 mph.
Smoke dispersal.....Fair (24400 knot-ft) early in the evening
decreasing to poor (8200 knot-ft) late in the
night.
LVORI...............5.
ADI.................7 to 36.
CEILING (KFT).......20 decreasing to 14 early, then decreasing to
0.8 late in the evening decreasing to 0.3
around midnight increasing to 0.8.
TIME (EDT) 6 PM 8 PM 10 PM MIDNGT 2 AM 4 AM
Sky (%).........36 36 63 83 76 85
Weather cov..... PATCHY PATCHY S CHC
Weather type....NONE NONE NONE FOG FOG RN/FG
Tstm cov........
CWR.............0 0 0 0 0 0
Temp............49 45 44 43 43 43
Dewpoint........39 39 39 40 41 42
RH..............68 79 82 89 93 96
Heat index (F)..45 41 41 39 39 39
20 ft wind......NE 9 NE 7 NE 6 N 6 N 6 N 6
20 ft wind gust.20 16 17 16 14 15
Surface wind....NE 9 NE 7 NE 6 N 6 N 6 N 6
Surface wnd gst.20 16 17 16 14 15
Mix hgt (ft)....1600 900 1200 1200 1100 1100
Transport wind..NE 17 NE 15 N 16 N 15 N 14 N 15
LVORI...........3 3 4 5 6 6
ADI.............36 7 11 10 9 10
Vrate kt-ft/1K..24 12 17 15 14 15
Ventrate Cat....POOR POOR POOR POOR POOR POOR
Ceiling (kft)...20 14 0.8 0.3 0.3 0.8
.WEDNESDAY...
Sky/weather.........Mostly cloudy. Patchy fog early in the morning.
Slight chance of rain showers through early
afternoon. Chance of rain showers late in the
afternoon.
CWR.................0 percent.
Max temperature.....Around 56.
Min humidity........66 percent.
Dewpoint............44.
Min apparent temp...39.
Surface winds (mph).Northeast winds 6 to 9 mph becoming 7 to 8 mph
late in the afternoon.
Wind (20 ft)........Northeast winds 6 to 9 mph.
Mixing height.......1800 ft AGL.
Transport winds.....North 9 to 16 mph shifting to the northeast 7
to 8 mph late in the afternoon.
Smoke dispersal.....Poor (6900 knot-ft) early in the morning
increasing to fair (17300 knot-ft) in the
afternoon.
LVORI...............4.
ADI.................10 to 25.
CEILING (KFT).......1.0 increasing to 1.5 through early afternoon,
then decreasing to 1.0 late in the afternoon.
TIME (EDT) 6 AM 8 AM 10 AM NOON 2 PM 4 PM
Sky (%).........86 76 69 68 69 78
Weather cov.....PATCHY S CHC S CHC S CHC CHANCE CHANCE
Weather type....FOG RNSHWR RNSHWR RNSHWR RNSHWR RNSHWR
Tstm cov........
CWR.............0 0 0 0 0 0
Temp............43 46 51 54 56 54
Dewpoint........42 43 45 45 45 46
RH..............96 89 80 71 66 74
Heat index (F)..39 43 51 54 56 54
20 ft wind......N 6 N 6 N 7 NE 9 NE 9 NE 8
20 ft wind gust.15 12 12 13 14 14
Surface wind....N 6 N 6 N 7 NE 9 NE 9 NE 8
Surface wnd gst.15 12 12 13 14 14
Mix hgt (ft)....1100 1200 1500 1700 1800 1400
Transport wind..N 15 N 16 N 13 N 12 NE 9 NE 8
LVORI...........5 5 3 3 3 3
ADI.............21 25 24 24 21 14
Vrate kt-ft/1K..15 17 16 17 14 10
Ventrate Cat....POOR POOR POOR POOR POOR POOR
Ceiling (kft)...1.0 1.5 1.5 1.5 1.5 1.0
$$
Forecaster...FT
Requested by...Alex Entrup
Type of request...PRESCRIBED
.TAG 2611892.0/BOX
.DELDT 04/28/26
.FormatterVersion 2.0.0
.EMAIL alex.entrup@mass.gov