961
FNUS71 KBOX 251159
FWSBOX
SPOT FORECAST FOR MONTAGUE PLAINS PRESCRIBED FIRE...MASSWILDLIFE
NATIONAL WEATHER SERVICE BOSTON/NORTON MA
759 AM EDT WED MAR 25 2026
FORECAST IS BASED ON IGNITION TIME OF 1200 EDT ON MARCH 25.
IF CONDITIONS BECOME UNREPRESENTATIVE, CONTACT THE NATIONAL
WEATHER SERVICE.
DISCUSSION
SW WINDS INCREASING TO BETWEEN 5 AND 12 MPH TODAY. PLENTY OF
SUNSHINE EXPECTED BUT EXPECT INCREASING AND THICKENING HIGH CLOUDS
AS THE DAY WEARS ALONG. HIGH TEMPERATURES WILL REACH THE LOWER
50S THIS AFTERNOON. MINIMUM AFTERNOON RELATIVE HUMIDITY VALUES
WILL DROP BETWEEN 20 AND 25 PERCENT. RELATIVE HUMIDITY VALUES
WILL QUICKLY RECOVER AFTER SUNSET.
REST OF TODAY
SKY/WEATHER.........MOSTLY SUNNY.
CWR.................0 PERCENT.
MAX TEMPERATURE.....AROUND 52.
MIN HUMIDITY........23 PERCENT.
DEWPOINT............16.
MAX APPARENT TEMP...52.
SURFACE WINDS (MPH).WEST WINDS 6 TO 7 MPH SHIFTING TO THE SOUTH 7
TO 8 MPH LATE IN THE AFTERNOON.
WIND (20 FT)........SOUTHWEST WINDS 7 TO 8 MPH.
MIXING HEIGHT.......5400 FT AGL.
TRANSPORT WINDS.....WEST 10 TO 13 MPH.
SMOKE DISPERSAL.....GOOD (43300 KNOT-FT).
LVORI...............1.
ADI.................47 TO 73.
CEILING (KFT).......12.
TIME (EDT) 12P 1PM 2PM 3PM 4PM 5PM
SKY (%).........57 56 36 41 44 50
WEATHER COV.....
WEATHER TYPE....
TSTM COV........
CWR.............0 0 0 0 0 0
TEMP............45 48 50 51 52 52
DEWPOINT........17 15 14 15 17 18
RH..............32 26 23 23 25 26
HEAT INDEX (F)..42 45 47 51 52 52
20 FT WIND DIR..W SW SW SW S S
20 FT WIND SPD..6 7 7 8 8 8
20 FT WIND GUST.12 12 12 14 15 16
SURFACE WND DIR.W SW SW SW S S
SURFACE WND SPD.6 7 7 8 8 8
SURFACE WND GST.12 12 12 14 15 16
MIX HGT (KFT)...3.9 4.5 5.0 5.3 5.4 5.4
TRANSP WIND DIR.W W W W SW SW
TRANSP WIND SPD.13 13 13 12 12 10
LVORI...........1 1 1 1 1 1
ADI.............47 50 73 70 71 63
VRATE KT-FT/1K..43 50 55 53 54 48
VENTRATE CAT....FR FR FR FR FR FR
CEILING (KFT)...14 13 12 13 13 13
TONIGHT
SKY/WEATHER.........MOSTLY CLOUDY. SLIGHT CHANCE OF RAIN SHOWERS
EARLY IN THE MORNING.
CWR.................6 PERCENT.
MIN TEMPERATURE.....AROUND 40.
MAX HUMIDITY........86 PERCENT.
DEWPOINT............22 INCREASING TO 36.
MIN APPARENT TEMP...36.
SURFACE WINDS (MPH).SOUTH WINDS 6 TO 7 MPH. GUSTS UP TO 26 MPH
UNTIL JUST AFTER MIDNIGHT.
WIND (20 FT)........SOUTH WINDS 6 TO 7 MPH. GUSTS UP TO 26 MPH
UNTIL JUST AFTER MIDNIGHT.
MIXING HEIGHT.......1000 FT AGL.
TRANSPORT WINDS.....SOUTH 8 TO 17 MPH INCREASING TO 16 TO 18 MPH
EARLY IN THE MORNING.
SMOKE DISPERSAL.....FAIR (25300 KNOT-FT) EARLY IN THE EVENING
DECREASING TO POOR (8800 KNOT-FT) LATE IN THE
NIGHT.
LVORI...............3.
ADI.................5 TO 12.
CEILING (KFT).......10 DECREASING TO 4.5.
TIME (EDT) 6PM 7PM 8PM 9PM 10P 11P MID 1AM 2AM 3AM 4AM 5AM
SKY (%).........60 67 83 90 91 94 95 94 91 89 86 82
WEATHER COV..... SCH SCH
WEATHER TYPE.... RW RW
TSTM COV........
CWR.............0 0 0 0 0 0 0 0 10 10 10 10
TEMP............50 48 45 44 43 43 42 41 41 41 41 41
DEWPOINT........21 23 26 27 29 30 29 29 30 31 33 36
RH..............31 37 47 51 57 60 60 62 65 67 73 82
HEAT INDEX (F)..47 45 42 40 39 39 38 36 37 36 36 36
20 FT WIND DIR..S S S S S S S S S S S S
20 FT WIND SPD..7 7 6 7 7 7 7 7 6 7 7 7
20 FT WIND GUST.17 18 20 22 23 21 22 24 25 25 26 26
SURFACE WND DIR.S S S S S S S S S S S S
SURFACE WND SPD.7 7 6 7 7 7 7 7 6 7 7 7
SURFACE WND GST.17 18 20 22 23 21 22 24 25 25 26 26
MIX HGT (KFT)...2.8 1.3 1.1 1.0 1.2 1.4 1.4 1.5 1.4 1.5 1.3 1.3
TRANSP WIND DIR.S S S S S S S S S S S S
TRANSP WIND SPD.10 8 10 13 15 16 16 17 16 18 16 16
LVORI...........2 2 2 2 2 2 2 2 3 3 3 4
ADI.............7 5 7 8 10 11 11 12 11 12 11 11
VRATE KT-FT/1K..25 9 10 11 15 19 20 23 19 24 18 18
VENTRATE CAT....PR PR PR PR PR PR PR PR PR PR PR PR
CEILING (KFT)...11 10 8.0 8.0 8.0 8.0 7.0 6.0 5.0 5.0 4.5 4.5
THURSDAY
SKY/WEATHER.........MOSTLY CLOUDY THEN BECOMING PARTLY SUNNY.
SLIGHT CHANCE OF RAIN SHOWERS UNTIL LATE
AFTERNOON, THEN CHANCE OF RAIN SHOWERS LATE IN
THE AFTERNOON.
CWR.................6 PERCENT INCREASING TO 11 PERCENT LATE IN THE
AFTERNOON.
MAX TEMPERATURE.....AROUND 67.
MIN HUMIDITY........45 PERCENT.
DEWPOINT............39 INCREASING TO 43 LATE IN THE AFTERNOON.
MIN APPARENT TEMP...36.
SURFACE WINDS (MPH).SOUTH WINDS 6 TO 9 MPH WITH GUSTS TO AROUND 25
MPH.
WIND (20 FT)........SOUTH WINDS 6 TO 9 MPH WITH GUSTS TO AROUND 25
MPH.
MIXING HEIGHT.......4200 FT AGL.
TRANSPORT WINDS.....SOUTHWEST 17 TO 26 MPH INCREASING TO AROUND 28
MPH LATE IN THE AFTERNOON.
SMOKE DISPERSAL.....FAIR (18900 KNOT-FT) EARLY IN THE MORNING
INCREASING TO EXCELLENT (97200 KNOT-FT) IN THE
AFTERNOON.
LVORI...............3.
ADI.................12 EARLY IN THE MORNING INCREASING TO 103 IN
THE AFTERNOON.
CEILING (KFT).......4.5 INCREASING TO 6.0 LATE IN THE MORNING, THEN
INCREASING TO 7.0 INCREASING TO 8.0 EARLY
INCREASING TO 9.0 DECREASING TO 8.0 LATE IN THE
AFTERNOON DECREASING TO 7.0.
TIME (EDT) 6AM 7AM 8AM 9AM 10A 11A 12P 1PM 2PM 3PM 4PM 5PM
SKY (%).........80 88 77 68 70 43 51 48 53 59 71 68
WEATHER COV.....SCH SCH SCH SCH SCH SCH SCH SCH SCH SCH CHC CHC
WEATHER TYPE....RW RW RW RW RW RW RW RW RW RW RW RW
TSTM COV........
CWR.............10 10 0 0 0 0 0 0 10 10 10 10
TEMP............41 42 43 46 49 54 58 61 64 65 66 65
DEWPOINT........37 38 38 38 38 38 40 41 42 43 44 45
RH..............85 86 82 73 66 54 51 48 45 45 45 48
HEAT INDEX (F)..36 37 38 42 45 54 58 61 64 65 66 65
20 FT WIND DIR..S S S S S S S S S S S S
20 FT WIND SPD..7 8 8 8 9 9 9 9 9 8 7 6
20 FT WIND GUST.24 23 22 23 24 25 24 23 22 22 21 21
SURFACE WND DIR.S S S S S S S S S S S S
SURFACE WND SPD.7 8 8 8 9 9 9 9 9 8 7 6
SURFACE WND GST.24 23 22 23 24 25 24 23 22 22 21 21
MIX HGT (KFT)...1.4 1.3 1.5 2.0 2.3 2.5 3.2 3.8 4.2 4.0 3.5 2.8
TRANSP WIND DIR.S S S S SW SW SW SW SW SW SW SW
TRANSP WIND SPD.17 17 18 22 24 25 26 26 26 28 28 28
LVORI...........4 4 3 3 1 1 1 1 1 1 1 1
ADI.............12 25 31 42 66 73 65 97 101 103 96 86
VRATE KT-FT/1K..20 19 25 38 48 56 73 88 97 97 84 68
VENTRATE CAT....PR PR PR PR FR FR GD GD GD GD GD GD
CEILING (KFT)...4.5 4.5 5.0 6.0 7.0 8.0 8.0 9.0 9.0 9.0 8.0 7.0
FORECASTER...FRANK
REQUESTED BY...BEN MAZZEI
TYPE OF REQUEST...PRESCRIBED
.TAG 2607722.1/BOX
.DELDT 03/25/26
.FORMATTERVERSION 2.0.0
.EMAIL BEN.MAZZEI@MASS.GOV
CLICK HERE TO GO TO PREVIOUS BULLETINS.
Main Text Page