419
FNUS51 KCAR 210643
FWFCAR
FIRE WEATHER PLANNING FORECAST FOR NORTHERN AND EASTERN MAINE
NATIONAL WEATHER SERVICE CARIBOU ME
243 AM EDT MON SEP 21 2026
DISCUSSION
A COLD FRONT MOVING THROUGH THIS MORNING WILL BRING NW WINDS
BRIEFLY GUSTING TO 20KTS THIS AFTERNOON ACROSS THE AREA. MIN RH
VALUES WILL BE IN THE 40 TO 55% RANGE TODAY. OTHERWISE, MIN RHS
RETURN TO THE 30 TO 40 PERCENT THROUGH MIDWEEK, WITH ANOTHER
CHANCE OF RAIN LATE WEEK INTO THE WEEKEND, MAINLY OVER DOWNEAST.
MEZ101-212000-
QUEBEC-MAINE BORDERLANDS-
243 AM EDT MON SEP 21 2026
TODAY TONIGHT TUE
CLOUD COVER PCLDY MCLEAR MCLEAR
PRECIP TYPE SHOWERS NONE NONE
CHANCE PRECIP (%) 10 0 0
CHANCE OF THUNDER (%) 3 0 0
TEMP (24H TREND) 57 (-1) 29 (-10) 60
RH % (24H TREND) 42 (-15) 100 (0) 35
20FTWND-VAL/AM(MPH) LGT/VAR LGT/VAR
20FTWND-RDG/PM(MPH) N 5 LGT/VAR LGT/VAR
PRECIP AMOUNT 0.00 0.00 0.00
PRECIP DURATION 0
PRECIP BEGIN 6 AM
PRECIP END 8 AM
MIXING HGT(FT-AGL/MSL)4980 5210
TRANSPORT WND (KTS) N 13 N 10
VENT RATE (KT-FT) 73220 56800
DISPERSION GOOD GOOD
CWR 0 0
KBDI 201-300 201-300 201-300
REMARKS...NONE.
MEZ102-212000-
NORTH WOODS AND ST. JOHN VALLEY-
243 AM EDT MON SEP 21 2026
TODAY TONIGHT TUE
CLOUD COVER PCLDY MCLEAR MCLEAR
PRECIP TYPE SHOWERS NONE NONE
CHANCE PRECIP (%) 10 0 0
CHANCE OF THUNDER (%) 5 0 0
TEMP (24H TREND) 57 (-1) 30 (-9) 60
RH % (24H TREND) 47 (-9) 100 (0) 38
20FTWND-VAL/AM(MPH) LGT/VAR LGT/VAR
20FTWND-RDG/PM(MPH) NW 6 G17 LGT/VAR LGT/VAR
PRECIP AMOUNT 0.00 0.00 0.00
PRECIP DURATION 0
PRECIP BEGIN 8 AM
PRECIP END 9 AM
MIXING HGT(FT-AGL/MSL)4920 5400
TRANSPORT WND (KTS) N 14 N 11
VENT RATE (KT-FT) 85190 69170
DISPERSION VERY GOOD GOOD
CWR 0 0
KBDI 201-300 201-300 201-300
REMARKS...NONE.
MEZ103-212000-
EASTERN AROOSTOOK-
243 AM EDT MON SEP 21 2026
TODAY TONIGHT TUE
CLOUD COVER PCLDY MCLEAR MCLEAR
PRECIP TYPE SHOWERS NONE NONE
CHANCE PRECIP (%) 10 0 0
CHANCE OF THUNDER (%) 5 0 0
TEMP (24H TREND) 58 (-1) 32 (-8) 60
RH % (24H TREND) 50 (-5) 100 (+3) 41
20FTWND-VAL/AM(MPH) NW 5 G17 N 5
20FTWND-RDG/PM(MPH) NW 8 G20 LGT/VAR N 6
PRECIP AMOUNT 0.00 0.00 0.00
PRECIP DURATION 0
PRECIP BEGIN 8 AM
PRECIP END 9 AM
MIXING HGT(FT-AGL/MSL)4890 5550
TRANSPORT WND (KTS) N 15 N 11
VENT RATE (KT-FT) 83760 69170
DISPERSION VERY GOOD GOOD
CWR 0 0
KBDI 301-400 301-400 301-400
REMARKS...NONE.
MEZ105-212000-
CENTRAL HIGHLANDS-
243 AM EDT MON SEP 21 2026
TODAY TONIGHT TUE
CLOUD COVER PCLDY PCLDY MCLEAR
PRECIP TYPE NONE NONE NONE
CHANCE PRECIP (%) 0 0 0
CHANCE OF THUNDER (%) 5 0 0
TEMP (24H TREND) 59 (+3) 34 (-9) 62
RH % (24H TREND) 48 (-16) 100 (+2) 37
20FTWND-VAL/AM(MPH) NW 5 LGT/VAR
20FTWND-RDG/PM(MPH) N 6 LGT/VAR LGT/VAR
PRECIP AMOUNT 0.00 0.00 0.00
PRECIP DURATION
PRECIP BEGIN
PRECIP END
MIXING HGT(FT-AGL/MSL)4930 5390
TRANSPORT WND (KTS) N 14 N 10
VENT RATE (KT-FT) 78100 60050
DISPERSION GOOD GOOD
CWR 0 0 0
KBDI 201-300 201-300 201-300
REMARKS...NONE.
MEZ106-212000-
CENTRAL MAINE NORTH OF BANGOR-
243 AM EDT MON SEP 21 2026
TODAY TONIGHT TUE
CLOUD COVER PCLDY PCLDY MCLEAR
PRECIP TYPE NONE NONE NONE
CHANCE PRECIP (%) 0 0 0
CHANCE OF THUNDER (%) 2 0 0
TEMP (24H TREND) 61 (+2) 36 (-7) 62
RH % (24H TREND) 48 (-12) 100 (+4) 40
20FTWND-VAL/AM(MPH) LGT/VAR LGT/VAR
20FTWND-RDG/PM(MPH) N 6 LGT/VAR N 5
PRECIP AMOUNT 0.00 0.00 0.00
PRECIP DURATION
PRECIP BEGIN
PRECIP END
MIXING HGT(FT-AGL/MSL)5050 5380
TRANSPORT WND (KTS) N 13 N 11
VENT RATE (KT-FT) 72180 65090
DISPERSION GOOD GOOD
CWR 0 0 0
KBDI 301-400 301-400 301-400
REMARKS...NONE.
MEZ108-212000-
INTERIOR DOWNEAST-
243 AM EDT MON SEP 21 2026
TODAY TONIGHT TUE
CLOUD COVER PCLDY PCLDY MCLEAR
PRECIP TYPE NONE NONE NONE
CHANCE PRECIP (%) 0 0 0
CHANCE OF THUNDER (%) 0(NONE) 0 0
TEMP (24H TREND) 64 (+5) 39 (-6) 62
RH % (24H TREND) 56 (-8) 100 (+1) 53
20FTWND-VAL/AM(MPH) LGT/VAR LGT/VAR
20FTWND-RDG/PM(MPH) N 6 LGT/VAR N 5
PRECIP AMOUNT 0.00 0.00 0.00
PRECIP DURATION
PRECIP BEGIN
PRECIP END
MIXING HGT(FT-AGL/MSL)4760 5280
TRANSPORT WND (KTS) N 13 N 11
VENT RATE (KT-FT) 66720 63230
DISPERSION GOOD GOOD
CWR 0 0 0
KBDI 201-300 201-300 201-300
REMARKS...NONE.
MEZ112-212000-
COASTAL DOWNEAST-
243 AM EDT MON SEP 21 2026
TODAY TONIGHT TUE
CLOUD COVER MCLEAR PCLDY PCLDY
PRECIP TYPE NONE NONE NONE
CHANCE PRECIP (%) 0 0 0
CHANCE OF THUNDER (%) 0(NONE) 0 0
TEMP (24H TREND) 66 (+7) 40 (-7) 63
RH % (24H TREND) 54 (-14) 99 (0) 51
20FTWND-VAL/AM(MPH) LGT/VAR N 5
20FTWND-RDG/PM(MPH) N 5 LGT/VAR LGT/VAR
PRECIP AMOUNT 0.00 0.00 0.00
PRECIP DURATION
PRECIP BEGIN
PRECIP END
MIXING HGT(FT-AGL/MSL)4530 5250
TRANSPORT WND (KTS) N 11 NE 8
VENT RATE (KT-FT) 60890 64130
DISPERSION GOOD GOOD
CWR 0 0 0
KBDI 201-300 201-300 201-300
REMARKS...NONE.
MEZ113-212000-
BANGOR REGION-
243 AM EDT MON SEP 21 2026
TODAY TONIGHT TUE
CLOUD COVER PCLDY PCLDY MCLEAR
PRECIP TYPE NONE NONE NONE
CHANCE PRECIP (%) 0 0 0
CHANCE OF THUNDER (%) 0(NONE) 0 0
TEMP (24H TREND) 63 (+4) 39 (-5) 63
RH % (24H TREND) 52 (-13) 99 (+1) 46
20FTWND-VAL/AM(MPH) LGT/VAR N 5
20FTWND-RDG/PM(MPH) N 7 N 5 NE 6
PRECIP AMOUNT 0.00 0.00 0.00
PRECIP DURATION
PRECIP BEGIN
PRECIP END
MIXING HGT(FT-AGL/MSL)5460 5340
TRANSPORT WND (KTS) N 13 N 12
VENT RATE (KT-FT) 73020 64450
DISPERSION GOOD GOOD
CWR 0 0 0
KBDI 401-500 401-500 401-500
REMARKS...NONE.
MEZ114-212000-
EASTERN PENOBSCOT BAY COAST-
243 AM EDT MON SEP 21 2026
TODAY TONIGHT TUE
CLOUD COVER PCLDY PCLDY MCLEAR
PRECIP TYPE NONE NONE NONE
CHANCE PRECIP (%) 0 0 0
CHANCE OF THUNDER (%) 0(NONE) 0 0
TEMP (24H TREND) 66 (+7) 40 (-7) 64
RH % (24H TREND) 54 (-14) 97 (-1) 50
20FTWND-VAL/AM(MPH) N 5 N 6 G17
20FTWND-RDG/PM(MPH) N 6 N 5 NE 5
PRECIP AMOUNT 0.00 0.00 0.00
PRECIP DURATION
PRECIP BEGIN
PRECIP END
MIXING HGT(FT-AGL/MSL)5240 5430
TRANSPORT WND (KTS) N 12 NE 10
VENT RATE (KT-FT) 68070 64160
DISPERSION GOOD GOOD
CWR 0 0 0
KBDI 401-500 401-500 401-500
REMARKS...NONE.
FORECAST FOR DAYS 3 THROUGH 7
TUESDAY NIGHT
MOSTLY CLEAR. PATCHY FOG AND FROST. LOWS IN THE
MID 30S. NORTH WINDS AROUND 5 MPH.
WEDNESDAY
SUNNY. PATCHY FOG. HIGHS IN THE LOWER 60S. NORTHEAST
WINDS AROUND 5 MPH.
WEDNESDAY NIGHT
MOSTLY CLEAR. PATCHY FOG AND FROST. LOWS IN
THE MID 30S. LIGHT WINDS.
THURSDAY
SUNNY. PATCHY FOG. HIGHS IN THE MID 60S. NORTH WINDS
AROUND 5 MPH.
THURSDAY NIGHT
PARTLY CLOUDY. LOWS IN THE LOWER 40S. NORTH
WINDS AROUND 5 MPH.
FRIDAY
PARTLY SUNNY. HIGHS IN THE UPPER 60S. NORTHEAST WINDS
AROUND 10 MPH.
FRIDAY NIGHT
MOSTLY CLOUDY. LOWS IN THE LOWER 40S. NORTH WINDS
AROUND 15 MPH.
SATURDAY
PARTLY SUNNY WITH A CHANCE OF SHOWERS. HIGHS IN THE
LOWER 60S. NORTH WINDS AROUND 15 MPH.
SATURDAY NIGHT
MOSTLY CLOUDY WITH A CHANCE OF SHOWERS. LOWS IN
THE LOWER 40S. NORTHEAST WINDS AROUND 15 MPH.
SUNDAY
MOSTLY SUNNY WITH A CHANCE OF SHOWERS. HIGHS IN THE MID
60S. NORTHEAST WINDS AROUND 15 MPH.
OUTLOOK 8 TO 14 DAYS
TEMPERATURES ABOVE NORMAL. PRECIPITATION NEAR NORMAL.
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