038
FNUS51 KCAR 181843
FWFCAR
FIRE WEATHER PLANNING FORECAST FOR NORTHERN AND EASTERN MAINE
NATIONAL WEATHER SERVICE CARIBOU ME
243 PM EDT FRI SEP 18 2026
DISCUSSION
GUSTY NORTHWEST WINDS UP TO 35 MPH ON TODAY 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.
MEZ101-190800-
QUEBEC-MAINE BORDERLANDS-
243 PM EDT FRI SEP 18 2026
TONIGHT SAT SAT NIGHT SUN
CLOUD COVER MCLEAR MCLEAR PCLDY MCLDY
PRECIP TYPE NONE NONE NONE RAIN
CHANCE PRECIP (%) 0 0 0 30
CHANCE OF THUNDER (%) 0 0 0 6
TEMP (24H TREND) 34 (-10) 57 (-2) 34 59
RH % (24H TREND) 84 (-16) 33 (-4) 81 48
20FTWND-VAL/AM(MPH) LGT/VAR LGT/VAR
20FTWND-RDG/PM(MPH) NW 7 G20 LGT/VAR LGT/VAR LGT/VAR
PRECIP AMOUNT 0.00 0.00 0.00 0.02
PRECIP DURATION 1
PRECIP BEGIN 1 PM
PRECIP END CONTINUING
MIXING HGT(FT-AGL/MSL) 4710 3700
TRANSPORT WND (KTS) NW 10 SW 14
VENT RATE (KT-FT) 57200 64960
DISPERSION GOOD GOOD
CWR 0 0 0 10
KBDI 201-300 201-300 201-300 201-300
REMARKS...NONE.
MEZ102-190800-
NORTH WOODS AND ST. JOHN VALLEY-
243 PM EDT FRI SEP 18 2026
TONIGHT SAT SAT NIGHT SUN
CLOUD COVER CLEAR MCLEAR PCLDY MCLDY
PRECIP TYPE NONE NONE NONE RAIN
CHANCE PRECIP (%) 0 0 0 40
CHANCE OF THUNDER (%) 0 0 0 8
TEMP (24H TREND) 35 (-12) 58 (-4) 34 59
RH % (24H TREND) 82 (-17) 34 (-3) 79 50
20FTWND-VAL/AM(MPH) NW 6 G18 LGT/VAR
20FTWND-RDG/PM(MPH) NW 9 G23 NW 5 G17 LGT/VAR LGT/VAR
PRECIP AMOUNT 0.00 0.00 0.00 0.03
PRECIP DURATION 1
PRECIP BEGIN 1 PM
PRECIP END CONTINUING
MIXING HGT(FT-AGL/MSL) 4990 3730
TRANSPORT WND (KTS) N 13 S 16
VENT RATE (KT-FT) 84410 75110
DISPERSION VERY GOOD GOOD
CWR 0 0 0 20
KBDI 201-300 201-300 201-300 201-300
REMARKS...NONE.
MEZ103-190800-
EASTERN AROOSTOOK-
243 PM EDT FRI SEP 18 2026
TONIGHT SAT SAT NIGHT SUN
CLOUD COVER CLEAR MCLEAR PCLDY MCLDY
PRECIP TYPE NONE NONE NONE RAIN
CHANCE PRECIP (%) 0 0 0 30
CHANCE OF THUNDER (%) 0 0 0 9
TEMP (24H TREND) 36 (-16) 58 (-7) 35 59
RH % (24H TREND) 79 (-19) 35 (-1) 76 50
20FTWND-VAL/AM(MPH) NW 9 G23 LGT/VAR
20FTWND-RDG/PM(MPH) NW 10 G25 NW 8 G21 LGT/VAR S 7 G17
PRECIP AMOUNT 0.00 0.00 0.00 0.02
PRECIP DURATION 1
PRECIP BEGIN 2 PM
PRECIP END CONTINUING
MIXING HGT(FT-AGL/MSL) 5260 4360
TRANSPORT WND (KTS) N 14 S 18
VENT RATE (KT-FT) 86840 90970
DISPERSION VERY GOOD VERY GOOD
CWR 0 0 0 20
KBDI 301-400 301-400 301-400 301-400
REMARKS...NONE.
MEZ105-190800-
CENTRAL HIGHLANDS-
243 PM EDT FRI SEP 18 2026
TONIGHT SAT SAT NIGHT SUN
CLOUD COVER CLEAR CLEAR PCLDY MCLDY
PRECIP TYPE NONE NONE NONE RAIN
CHANCE PRECIP (%) 0 0 0 30
CHANCE OF THUNDER (%) 0 0 0 4
TEMP (24H TREND) 38 (-15) 61 (-4) 38 60
RH % (24H TREND) 79 (-21) 34 (-4) 82 51
20FTWND-VAL/AM(MPH) NW 7 G18 LGT/VAR
20FTWND-RDG/PM(MPH) NW 10 G24 LGT/VAR LGT/VAR S 6
PRECIP AMOUNT 0.00 0.00 0.00 0.05
PRECIP DURATION 1
PRECIP BEGIN 1 PM
PRECIP END CONTINUING
MIXING HGT(FT-AGL/MSL) 5330 3750
TRANSPORT WND (KTS) NW 11 S 16
VENT RATE (KT-FT) 74450 82780
DISPERSION GOOD VERY GOOD
CWR 0 0 0 40
KBDI 201-300 201-300 201-300 201-300
REMARKS...NONE.
MEZ106-190800-
CENTRAL MAINE NORTH OF BANGOR-
243 PM EDT FRI SEP 18 2026
TONIGHT SAT SAT NIGHT SUN
CLOUD COVER CLEAR CLEAR PCLDY MCLDY
PRECIP TYPE NONE NONE NONE RAIN
CHANCE PRECIP (%) 0 0 0 20
CHANCE OF THUNDER (%) 0 0 0 2
TEMP (24H TREND) 39 (-18) 61 (-9) 38 60
RH % (24H TREND) 78 (-21) 35 (-3) 82 49
20FTWND-VAL/AM(MPH) NW 6 LGT/VAR
20FTWND-RDG/PM(MPH) NW 8 G21 LGT/VAR LGT/VAR S 6 G17
PRECIP AMOUNT 0.00 0.00 0.00 0.02
PRECIP DURATION 0
PRECIP BEGIN 3 PM
PRECIP END CONTINUING
MIXING HGT(FT-AGL/MSL) 5670 4590
TRANSPORT WND (KTS) N 12 S 16
VENT RATE (KT-FT) 83700 87100
DISPERSION VERY GOOD VERY GOOD
CWR 0 0 0 20
KBDI 301-400 301-400 301-400 301-400
REMARKS...NONE.
MEZ108-190800-
INTERIOR DOWNEAST-
243 PM EDT FRI SEP 18 2026
TONIGHT SAT SAT NIGHT SUN
CLOUD COVER CLEAR CLEAR PCLDY PCLDY
PRECIP TYPE NONE NONE NONE RAIN
CHANCE PRECIP (%) 0 0 0 10
CHANCE OF THUNDER (%) 0 0 0 1
TEMP (24H TREND) 42 (-16) 61 (-11) 42 60
RH % (24H TREND) 77 (-23) 40 (-5) 88 60
20FTWND-VAL/AM(MPH) NW 6 LGT/VAR
20FTWND-RDG/PM(MPH) NW 8 G21 NW 5 LGT/VAR S 7 G17
PRECIP AMOUNT 0.00 0.00 0.00 0.01
PRECIP DURATION 0
PRECIP BEGIN 5 PM
PRECIP END CONTINUING
MIXING HGT(FT-AGL/MSL) 5300 4170
TRANSPORT WND (KTS) N 12 S 14
VENT RATE (KT-FT) 78230 72370
DISPERSION GOOD GOOD
CWR 0 0 0 10
KBDI 201-300 201-300 201-300 201-300
REMARKS...NONE.
MEZ112-190800-
COASTAL DOWNEAST-
243 PM EDT FRI SEP 18 2026
TONIGHT SAT SAT NIGHT SUN
CLOUD COVER CLEAR CLEAR PCLDY PCLDY
PRECIP TYPE NONE NONE NONE RAIN
CHANCE PRECIP (%) 0 0 0 10
CHANCE OF THUNDER (%) 0 0 0 1
TEMP (24H TREND) 42 (-15) 63 (-11) 43 61
RH % (24H TREND) 74 (-26) 40 (-4) 88 59
20FTWND-VAL/AM(MPH) NW 6 LGT/VAR
20FTWND-RDG/PM(MPH) NW 7 G20 LGT/VAR LGT/VAR S 6 G17
PRECIP AMOUNT 0.00 0.00 0.00 0.01
PRECIP DURATION 0
PRECIP BEGIN 5 PM
PRECIP END CONTINUING
MIXING HGT(FT-AGL/MSL) 5480 3770
TRANSPORT WND (KTS) N 10 S 12
VENT RATE (KT-FT) 69470 63380
DISPERSION GOOD GOOD
CWR 0 0 0 10
KBDI 201-300 201-300 201-300 301-400
REMARKS...NONE.
MEZ113-190800-
BANGOR REGION-
243 PM EDT FRI SEP 18 2026
TONIGHT SAT SAT NIGHT SUN
CLOUD COVER CLEAR CLEAR PCLDY MCLDY
PRECIP TYPE NONE NONE NONE RAIN
CHANCE PRECIP (%) 0 0 0 30
CHANCE OF THUNDER (%) 0 0 0 2
TEMP (24H TREND) 41 (-18) 63 (-10) 40 62
RH % (24H TREND) 75 (-25) 37 (-2) 86 57
20FTWND-VAL/AM(MPH) NW 6 LGT/VAR
20FTWND-RDG/PM(MPH) NW 10 G23 LGT/VAR LGT/VAR S 8 G18
PRECIP AMOUNT 0.00 0.00 0.00 0.06
PRECIP DURATION 1
PRECIP BEGIN 2 PM
PRECIP END CONTINUING
MIXING HGT(FT-AGL/MSL) 5610 4050
TRANSPORT WND (KTS) NW 10 S 16
VENT RATE (KT-FT) 61110 74180
DISPERSION GOOD GOOD
CWR 0 0 0 40
KBDI 401-500 401-500 401-500 501-600
REMARKS...NONE.
MEZ114-190800-
EASTERN PENOBSCOT BAY COAST-
243 PM EDT FRI SEP 18 2026
TONIGHT SAT SAT NIGHT SUN
CLOUD COVER CLEAR CLEAR MCLEAR MCLDY
PRECIP TYPE NONE NONE NONE RAIN
CHANCE PRECIP (%) 0 0 0 20
CHANCE OF THUNDER (%) 0 0 0 2
TEMP (24H TREND) 43 (-16) 64 (-11) 43 62
RH % (24H TREND) 73 (-26) 39 (-3) 91 61
20FTWND-VAL/AM(MPH) N 6 G17 LGT/VAR
20FTWND-RDG/PM(MPH) NW 10 G23 NW 5 LGT/VAR S 8 G18
PRECIP AMOUNT 0.00 0.00 0.00 0.04
PRECIP DURATION 0
PRECIP BEGIN 3 PM
PRECIP END CONTINUING
MIXING HGT(FT-AGL/MSL) 5370 4300
TRANSPORT WND (KTS) NW 10 S 15
VENT RATE (KT-FT) 63820 72010
DISPERSION GOOD GOOD
CWR 0 0 0 30
KBDI 401-500 401-500 401-500 401-500
REMARKS...NONE.
FORECAST FOR DAYS 3 THROUGH 7
SUNDAY NIGHT
MOSTLY CLOUDY. PATCHY FOG. LOWS IN THE LOWER 40S.
SOUTHWEST WINDS AROUND 5 MPH.
MONDAY
MOSTLY SUNNY. PATCHY FOG. HIGHS IN THE UPPER 50S.
NORTHWEST WINDS AROUND 10 MPH.
MONDAY NIGHT
PARTLY CLOUDY. PATCHY FROST. LOWS IN THE UPPER
30S. NORTH WINDS AROUND 5 MPH.
TUESDAY
MOSTLY SUNNY. HIGHS AROUND 60. NORTH WINDS AROUND
5 MPH.
TUESDAY NIGHT
MOSTLY CLEAR. LOWS IN THE UPPER 30S. NORTH 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. NORTHEAST
WINDS AROUND 5 MPH.
THURSDAY
MOSTLY SUNNY. HIGHS IN THE MID 60S. EAST WINDS AROUND
5 MPH.
THURSDAY NIGHT
MOSTLY CLOUDY. LOWS IN THE LOWER 40S. NORTHEAST
WINDS AROUND 5 MPH.
FRIDAY
PARTLY SUNNY. HIGHS IN THE MID 60S. NORTH WINDS AROUND
5 MPH.
OUTLOOK 8 TO 14 DAYS
TEMPERATURES NEAR NORMAL. PRECIPITATION NEAR NORMAL.
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