382
FNUS71 KBOX 161302
FWSBOX
SPOT FORECAST FOR MONTAGUE PLAINS WMA 6/16/2026...MASSWILDLIFE
NATIONAL WEATHER SERVICE BOSTON/NORTON MA
902 AM EDT TUE JUN 16 2026
FORECAST IS BASED ON IGNITION TIME OF 0945 EDT ON JUNE 16.
IF CONDITIONS BECOME UNREPRESENTATIVE, CONTACT THE NATIONAL
WEATHER SERVICE.
DISCUSSION
LIGHT WEST-NORTHWEST WINDS TODAY AT 5-10 MPH. MIN RELATIVE
HUMIDITY VALUES AS LOW AS 29 PERCENT THIS AFTERNOON, OTHERWISE
VALUES GENERALLY RANGE FROM 30-35 PERCENT THIS AFTERNOON.
EXCELLENT SMOKE DISPERSAL WITH MIXING HEIGHTS 6000-6500 FT.
RH RECOVERS TO 80-90 PERCENT OVERNIGHT WITH LIGHT WINDS OUT OF THE
SOUTH.
WEDNESDAY: CHANCE FOR AN ISOLATED SHOWER, ALTHOUGH CHANCE OF
WETTING RAIN IS LOW. RH VALUES 40-45 PERCENT. WINDS SW AT 5-10
MPH.
REST OF TODAY
SKY/WEATHER.........SUNNY.
CWR.................0 PERCENT.
MAX TEMPERATURE.....AROUND 79.
MIN HUMIDITY........29 PERCENT.
DEWPOINT............48.
MAX APPARENT TEMP...78.
SURFACE WINDS (MPH).LIGHT WINDS BECOMING WEST 5 TO 6 MPH LATE IN
THE AFTERNOON.
WIND (20 FT)........WEST WINDS 5 TO 6 MPH LATE IN THE MORNING
BECOMING LIGHT, THEN BECOMING WEST 5 TO 6 MPH
LATE IN THE AFTERNOON.
MIXING HEIGHT.......6800 FT AGL.
TRANSPORT WINDS.....NORTHWEST 8 TO 10 MPH.
SMOKE DISPERSAL.....FAIR (27300 KNOT-FT) EARLY IN THE MORNING
INCREASING TO EXCELLENT (61100 KNOT-FT) IN THE
AFTERNOON.
LVORI...............2.
ADI.................40 EARLY IN THE MORNING INCREASING TO 85 IN THE
AFTERNOON.
CEILING (KFT).......25.
TIME (EDT) 9AM 10A 11A 12P 1PM 2PM 3PM 4PM 5PM
SKY (%).........4 1 2 2 4 10 8 11 15
WEATHER COV.....
WEATHER TYPE....
TSTM COV........
CWR.............0 0 0 0 0 0 0 0 0
TEMP............61 66 70 72 74 76 77 78 78
DEWPOINT........50 50 49 48 47 47 47 47 47
RH..............67 56 47 43 38 36 35 34 34
HEAT INDEX (F)..61 66 70 72 74 76 77 78 78
20 FT WIND DIR..NW W W W W W W W W
20 FT WIND SPD..2 2 2 2 3 5 6 5 5
20 FT WIND GUST.10 9 9 9 9 10 10 10 10
SURFACE WND DIR.NW W W W W W W W W
SURFACE WND SPD.2 2 2 2 3 5 6 5 5
SURFACE WND GST.10 9 9 9 9 10 10 10 10
MIX HGT (KFT)...3.4 4.7 5.4 6.0 6.4 6.8 6.8 6.8 6.7
TRANSP WIND DIR.NW NW NW NW W W W W W
TRANSP WIND SPD.9 8 8 8 8 9 10 9 9
LVORI...........3 1 1 1 1 1 1 1 1
ADI.............40 47 54 59 62 75 85 75 74
VRATE KT-FT/1K..27 33 38 42 45 54 61 55 54
VENTRATE CAT....PR PR PR FR FR FR GD FR FR
CEILING (KFT)...25 25 25 25 25 25 25 25 25
TONIGHT
SKY/WEATHER.........MOSTLY CLEAR.
CWR.................0 PERCENT.
MIN TEMPERATURE.....AROUND 53.
MAX HUMIDITY........96 PERCENT.
DEWPOINT............49 INCREASING TO 52 UNTIL JUST AFTER MIDNIGHT.
MAX APPARENT TEMP...77.
SURFACE WINDS (MPH).LIGHT WINDS.
WIND (20 FT)........LIGHT WINDS.
MIXING HEIGHT.......400 FT AGL.
TRANSPORT WINDS.....WEST 3 TO 9 MPH SHIFTING TO THE SOUTH 3 TO 5
MPH AFTER MIDNIGHT.
SMOKE DISPERSAL.....GOOD (50900 KNOT-FT) EARLY IN THE EVENING
DECREASING TO POOR (1200 KNOT-FT) LATE IN THE
NIGHT.
LVORI...............4.
ADI.................71 EARLY IN THE EVENING DECREASING TO 2 LATE IN
THE NIGHT.
CEILING (KFT).......25 DECREASING TO 20 AFTER MIDNIGHT.
TIME (EDT) 6PM 7PM 8PM 9PM 10P 11P MID 1AM 2AM 3AM 4AM 5AM
SKY (%).........12 14 7 3 2 5 12 16 26 40 42 46
WEATHER COV.....
WEATHER TYPE....
TSTM COV........
CWR.............0 0 0 0 0 0 0 0 0 0 0 0
TEMP............77 75 71 67 64 61 59 57 56 54 54 53
DEWPOINT........48 51 54 53 53 52 52 52 51 51 51 51
RH..............36 43 55 61 67 72 78 83 83 90 90 93
HEAT INDEX (F)..77 75 71 67 64 61 59 57 56 54 54 53
20 FT WIND DIR..W W SW N N N N N N N N N
20 FT WIND SPD..3 2 1 0 0 0 0 0 0 0 0 0
20 FT WIND GUST.9 6 3 3 2 2 2 2 2 2 2 2
SURFACE WND DIR.W W SW N N N N N N N N N
SURFACE WND SPD.3 2 1 0 0 0 0 0 0 0 0 0
SURFACE WND GST.9 6 3 3 2 2 2 2 2 2 2 2
MIX HGT (KFT)...6.4 1.0 0.4 0.5 0.4 0.4 0.4 0.4 0.4 0.4 0.4 0.4
TRANSP WIND DIR.W W W W SW SW SW S S S S S
TRANSP WIND SPD.9 6 5 5 5 3 5 5 3 3 3 3
LVORI...........1 2 2 3 3 4 4 5 6 7 7 6
ADI.............71 7 2 2 2 2 2 2 2 2 2 3
VRATE KT-FT/1K..51 5 2 2 2 1 2 2 1 1 1 1
VENTRATE CAT....FR PR PR PR PR PR PR PR PR PR PR PR
CEILING (KFT)...25 25 25 25 25 25 20 20 20 20 20 20
WEDNESDAY
SKY/WEATHER.........MOSTLY SUNNY. SLIGHT CHANCE OF RAIN SHOWERS
LATE IN THE AFTERNOON.
CWR.................9 PERCENT.
MAX TEMPERATURE.....AROUND 80.
MIN HUMIDITY........40 PERCENT.
DEWPOINT............53.
MAX APPARENT TEMP...77.
SURFACE WINDS (MPH).LIGHT WINDS BECOMING SOUTH 5 TO 6 MPH EARLY.
WIND (20 FT)........LIGHT WINDS BECOMING SOUTH 5 TO 6 MPH EARLY.
MIXING HEIGHT.......5800 FT AGL.
TRANSPORT WINDS.....SOUTH 3 TO 12 MPH INCREASING TO 12 TO 14 MPH IN
THE AFTERNOON.
SMOKE DISPERSAL.....POOR (1200 KNOT-FT) EARLY IN THE MORNING
INCREASING TO EXCELLENT (64100 KNOT-FT) IN THE
AFTERNOON.
LVORI...............5.
ADI.................3 EARLY IN THE MORNING INCREASING TO 91 IN THE
AFTERNOON.
CEILING (KFT).......20 DECREASING TO 5.6.
TIME (EDT) 6 AM 8 AM 10 AM NOON 2 PM 4 PM
SKY (%).........60 39 41 36 59 36
WEATHER COV..... S CHC
WEATHER TYPE....NONE NONE NONE NONE NONE RNSHWR
TSTM COV........
CWR.............0 0 0 0 10 10
TEMP............53 59 69 75 76 77
DEWPOINT........52 54 55 54 54 55
RH..............96 83 61 48 46 47
HEAT INDEX (F)..53 59 69 75 76 77
20 FT WIND......N 0 N 0 S 2 S 5 S 6 S 5
20 FT WIND GUST.2 3 6 12 14 13
SURFACE WIND....N 0 N 0 S 2 S 5 S 6 S 5
SURFACE WND GST.2 3 6 12 14 13
MIX HGT (FT)....400 1000 3800 5800 5100 3800
TRANSPORT WIND..S 3 S 6 S 12 S 13 S 13 S 13
LVORI...........8 5 1 1 1 1
ADI.............3 7 55 91 39 61
VRATE KT-FT/1K..1 5 38 64 57 41
VENTRATE CAT....POOR POOR POOR GOOD FAIR FAIR
CEILING (KFT)...20 20 14 9.9 6.0 5.7
FORECASTER...MENSCH
REQUESTED BY...ALEX ENTRUP
TYPE OF REQUEST...PRESCRIBED
.TAG 2615543.1/BOX
.DELDT 06/16/26
.FORMATTERVERSION 2.0.0
.EMAIL ALEX.ENTRUP@MASS.GOV
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