631
FNUS51 KCAR 181243
FWFCAR
FIRE WEATHER PLANNING FORECAST FOR NORTHERN AND EASTERN MAINE
NATIONAL WEATHER SERVICE CARIBOU ME
843 AM EDT FRI SEP 18 2026
DISCUSSION
RAIN CONTINUES THROUGH TOMORROW MORNING CENTERED ACROSS THE
DOWNEAST. WINDS WILL BE LIGHT AND VARIABLE TONIGHT. GUSTY
NORTHWEST WINDS UP TO 35 MPH ON FRIDAY WITH RH VALUES BETWEEN 35
AND 45 PERCENT. WINDS ARE EXPECTED TO SLOWLY DIMINISH THROUGH THE
WEEKEND. MIN RHS BETWEEN 35 AND 45 PERCENT ARE EXPECTED ON
SATURDAY, RAISING BACK INTO THE 45 TO 60 PERCENTILE SUNDAY AND
INTO MONDAY CONCURRENT WITH THE NEXT CHANCE FOR RAIN ACROSS THE
BANGOR REGION AND DOWNEAST.
MEZ101-182015-
QUEBEC-MAINE BORDERLANDS-
843 AM EDT FRI SEP 18 2026
TODAY TONIGHT SAT
CLOUD COVER MCLEAR MCLEAR MCLEAR
PRECIP TYPE NONE NONE NONE
CHANCE PRECIP (%) 0 0 0
CHANCE OF THUNDER (%) 3 0 0
TEMP (24H TREND) 61 (-5) 33 (-11) 55
RH % (24H TREND) 39 (-19) 93 (-7) 38
20FTWND-VAL/AM(MPH) W 6 G23 LGT/VAR
20FTWND-RDG/PM(MPH) NW 12 G23 NW 9 G23 LGT/VAR
PRECIP AMOUNT 0.00 0.00 0.00
PRECIP DURATION
PRECIP BEGIN
PRECIP END
MIXING HGT(FT-AGL/MSL)5200 4990
TRANSPORT WND (KTS) NW 21 NW 11
VENT RATE (KT-FT) 118070 61430
DISPERSION VERY GOOD GOOD
CWR 0 0 0
KBDI 201-300 201-300 201-300
REMARKS...MODERATE.
MEZ102-182015-
NORTH WOODS AND ST. JOHN VALLEY-
843 AM EDT FRI SEP 18 2026
TODAY TONIGHT SAT
CLOUD COVER MCLEAR CLEAR MCLEAR
PRECIP TYPE NONE NONE NONE
CHANCE PRECIP (%) 0 0 0
CHANCE OF THUNDER (%) 4 0 0
TEMP (24H TREND) 63 (-3) 33 (-14) 56
RH % (24H TREND) 39 (-17) 90 (-10) 39
20FTWND-VAL/AM(MPH) W 6 G23 NW 6 G18
20FTWND-RDG/PM(MPH) NW 12 G25 NW 10 G24 NW 5 G17
PRECIP AMOUNT 0.00 0.00 0.00
PRECIP DURATION
PRECIP BEGIN
PRECIP END
MIXING HGT(FT-AGL/MSL)5490 5240
TRANSPORT WND (KTS) NW 21 N 12
VENT RATE (KT-FT) 125920 81890
DISPERSION EXCELLENT VERY GOOD
CWR 0 0 0
KBDI 201-300 201-300 201-300
REMARKS...MODERATE.
MEZ103-182015-
EASTERN AROOSTOOK-
843 AM EDT FRI SEP 18 2026
TODAY TONIGHT SAT
CLOUD COVER MCLEAR CLEAR CLEAR
PRECIP TYPE NONE NONE NONE
CHANCE PRECIP (%) 0 0 0
CHANCE OF THUNDER (%) 4 0 0
TEMP (24H TREND) 66 (0) 33 (-19) 57
RH % (24H TREND) 38 (-18) 90 (-10) 38
20FTWND-VAL/AM(MPH) W 6 G23 NW 9 G23
20FTWND-RDG/PM(MPH) NW 14 G28 NW 11 G25 NW 8 G23
PRECIP AMOUNT 0.00 0.00 0.00
PRECIP DURATION
PRECIP BEGIN
PRECIP END
MIXING HGT(FT-AGL/MSL)5880 5440
TRANSPORT WND (KTS) NW 22 N 14
VENT RATE (KT-FT) 133720 86930
DISPERSION EXCELLENT VERY GOOD
CWR 0 0 0
KBDI 301-400 301-400 301-400
REMARKS...MODERATE.
MEZ105-182015-
CENTRAL HIGHLANDS-
843 AM EDT FRI SEP 18 2026
TODAY TONIGHT SAT
CLOUD COVER MCLEAR MCLEAR CLEAR
PRECIP TYPE NONE NONE NONE
CHANCE PRECIP (%) 0 0 0
CHANCE OF THUNDER (%) 1 0 0
TEMP (24H TREND) 67 (0) 37 (-16) 59
RH % (24H TREND) 39 (-29) 86 (-14) 38
20FTWND-VAL/AM(MPH) NW 6 G21 NW 7 G18
20FTWND-RDG/PM(MPH) NW 12 G24 NW 11 G25 NW 5
PRECIP AMOUNT 0.00 0.00 0.00
PRECIP DURATION
PRECIP BEGIN
PRECIP END
MIXING HGT(FT-AGL/MSL)5770 5310
TRANSPORT WND (KTS) NW 22 NW 12
VENT RATE (KT-FT) 132480 78570
DISPERSION EXCELLENT GOOD
CWR 0 0 0
KBDI 201-300 201-300 201-300
REMARKS...MODERATE.
MEZ106-182015-
CENTRAL MAINE NORTH OF BANGOR-
843 AM EDT FRI SEP 18 2026
TODAY TONIGHT SAT
CLOUD COVER MCLEAR CLEAR CLEAR
PRECIP TYPE SHOWERS NONE NONE
CHANCE PRECIP (%) 30 0 0
CHANCE OF THUNDER (%) 6 0 0
TEMP (24H TREND) 70 (+1) 36 (-21) 60
RH % (24H TREND) 37 (-31) 87 (-13) 38
20FTWND-VAL/AM(MPH) LGT/VAR NW 6
20FTWND-RDG/PM(MPH) NW 11 G23 NW 9 G21 NW 5
PRECIP AMOUNT 0.02 0.00 0.00
PRECIP DURATION 1
PRECIP BEGIN 6 AM
PRECIP END 8 AM
MIXING HGT(FT-AGL/MSL)6230 5910
TRANSPORT WND (KTS) NW 21 NW 12
VENT RATE (KT-FT) 138290 84260
DISPERSION EXCELLENT VERY GOOD
CWR 30 0 0
KBDI 301-400 301-400 301-400
REMARKS...MODERATE.
MEZ108-182015-
INTERIOR DOWNEAST-
843 AM EDT FRI SEP 18 2026
TODAY TONIGHT SAT
CLOUD COVER PCLDY CLEAR CLEAR
PRECIP TYPE SHOWERS NONE NONE
CHANCE PRECIP (%) 40 0 0
CHANCE OF THUNDER (%) 6 0 0
TEMP (24H TREND) 71 (+1) 42 (-16) 60
RH % (24H TREND) 45 (-30) 79 (-21) 41
20FTWND-VAL/AM(MPH) LGT/VAR NW 6
20FTWND-RDG/PM(MPH) NW 10 G22 NW 8 G21 NW 5
PRECIP AMOUNT 0.06 0.00 0.00
PRECIP DURATION 1
PRECIP BEGIN 6 AM
PRECIP END 10 AM
MIXING HGT(FT-AGL/MSL)5980 5860
TRANSPORT WND (KTS) NW 19 N 12
VENT RATE (KT-FT) 129760 88580
DISPERSION EXCELLENT VERY GOOD
CWR 90 0 0
KBDI 301-400 301-400 301-400
REMARKS...MODERATE.
MEZ112-182015-
COASTAL DOWNEAST-
843 AM EDT FRI SEP 18 2026
TODAY TONIGHT SAT
CLOUD COVER PCLDY CLEAR CLEAR
PRECIP TYPE SHOWERS NONE NONE
CHANCE PRECIP (%) 50 0 0
CHANCE OF THUNDER (%) 7 0 0
TEMP (24H TREND) 73 (+5) 43 (-14) 62
RH % (24H TREND) 45 (-32) 77 (-23) 41
20FTWND-VAL/AM(MPH) LGT/VAR NW 6
20FTWND-RDG/PM(MPH) NW 8 G21 NW 7 G19 NW 5
PRECIP AMOUNT 0.11 0.00 0.00
PRECIP DURATION 1
PRECIP BEGIN 6 AM
PRECIP END 10 AM
MIXING HGT(FT-AGL/MSL)5220 5950
TRANSPORT WND (KTS) NW 15 NW 9
VENT RATE (KT-FT) 118920 76340
DISPERSION VERY GOOD GOOD
CWR 100 0 0
KBDI 301-400 301-400 301-400
REMARKS...MODEREATE.
MEZ113-182015-
BANGOR REGION-
843 AM EDT FRI SEP 18 2026
TODAY TONIGHT SAT
CLOUD COVER MCLEAR MCLEAR CLEAR
PRECIP TYPE SHOWERS NONE NONE
CHANCE PRECIP (%) 30 0 0
CHANCE OF THUNDER (%) 2 0 0
TEMP (24H TREND) 72 (+2) 39 (-20) 62
RH % (24H TREND) 38 (-38) 84 (-16) 38
20FTWND-VAL/AM(MPH) NW 5 G18 NW 5
20FTWND-RDG/PM(MPH) NW 13 G24 NW 11 G23 NW 5
PRECIP AMOUNT 0.02 0.00 0.00
PRECIP DURATION 1
PRECIP BEGIN 6 AM
PRECIP END 8 AM
MIXING HGT(FT-AGL/MSL)6240 5920
TRANSPORT WND (KTS) NW 21 NW 11
VENT RATE (KT-FT) 136510 74960
DISPERSION EXCELLENT GOOD
CWR 20 0 0
KBDI 501-600 501-600 501-600
REMARKS...MODERATE.
MEZ114-182015-
EASTERN PENOBSCOT BAY COAST-
843 AM EDT FRI SEP 18 2026
TODAY TONIGHT SAT
CLOUD COVER PCLDY MCLEAR CLEAR
PRECIP TYPE SHOWERS NONE NONE
CHANCE PRECIP (%) 40 0 0
CHANCE OF THUNDER (%) 1 0 0
TEMP (24H TREND) 74 (+3) 43 (-16) 63
RH % (24H TREND) 42 (-36) 77 (-23) 41
20FTWND-VAL/AM(MPH) LGT/VAR NW 6 G17
20FTWND-RDG/PM(MPH) NW 10 G22 NW 9 G21 NW 5
PRECIP AMOUNT 0.08 0.00 0.00
PRECIP DURATION 1
PRECIP BEGIN 6 AM
PRECIP END 8 AM
MIXING HGT(FT-AGL/MSL)6260 5770
TRANSPORT WND (KTS) NW 18 NW 10
VENT RATE (KT-FT) 131440 63420
DISPERSION EXCELLENT GOOD
CWR 100 0 0
KBDI 501-600 501-600 501-600
REMARKS...MODERATE.
FORECAST FOR DAYS 3 THROUGH 7
SATURDAY NIGHT
PARTLY CLOUDY. PATCHY FROST. LOWS IN THE UPPER
30S. EAST WINDS AROUND 5 MPH.
SUNDAY
PARTLY SUNNY. HIGHS IN THE LOWER 60S. SOUTH WINDS
AROUND 10 MPH.
SUNDAY NIGHT
MOSTLY CLOUDY. PATCHY FOG. LOWS AROUND 40.
SOUTHWEST WINDS AROUND 5 MPH.
MONDAY
MOSTLY SUNNY. PATCHY FOG. HIGHS AROUND 60. NORTHWEST
WINDS AROUND 10 MPH.
MONDAY NIGHT
PARTLY CLOUDY. LOWS IN THE UPPER 30S. NORTH WINDS
AROUND 5 MPH.
TUESDAY
MOSTLY SUNNY. HIGHS AROUND 60. NORTH WINDS AROUND
5 MPH.
TUESDAY NIGHT
PARTLY CLOUDY. LOWS IN THE UPPER 30S. NORTHEAST
WINDS AROUND 5 MPH.
WEDNESDAY
SUNNY. HIGHS IN THE LOWER 60S. NORTHEAST WINDS
AROUND 5 MPH.
WEDNESDAY NIGHT
MOSTLY CLEAR. LOWS IN THE UPPER 30S. EAST
WINDS AROUND 5 MPH.
THURSDAY
MOSTLY SUNNY. HIGHS IN THE LOWER 60S. EAST WINDS
AROUND 5 MPH.
OUTLOOK 8 TO 14 DAYS
TEMPERATURES NEAR NORMAL. PRECIPITATION NEAR NORMAL.
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