278
FNUS51 KCAR 170644
FWFCAR
FIRE WEATHER PLANNING FORECAST FOR NORTHERN AND EASTERN MAINE
NATIONAL WEATHER SERVICE CARIBOU ME
243 AM EDT MON AUG 17 2026
DISCUSSION
WETTING RAIN IS EXPECTED FOR MOST AREAS TODAY. MOST AREAS WILL
SEE AT LEAST ONE QUARTER OF AN INCH THROUGH TONIGHT WITH PLACES
OVER NORTHERN AND CENTRAL AREAS LIKELY SEEING ONE HALF OF AN
INCH.
RHS WILL BE HIGH THROUGH TUESDAY WITH THE LOWEST RH DAYS EXPECTED
TO BE ON FRIDAY AND SATURDAY. POTENTIAL RHS WILL BE AS LOW AS
35 TO 45 PERCENT.
MEZ101-172000-
QUEBEC-MAINE BORDERLANDS-
243 AM EDT MON AUG 17 2026
TODAY TONIGHT TUE
CLOUD COVER MCLDY PCLDY PCLDY
PRECIP TYPE TSTMS SHOWERS SHOWERS
CHANCE PRECIP (%) 90 20 20
CHANCE OF THUNDER (%) 15(LTD) 9 9
TEMP (24H TREND) 71 (0) 54 (+1) 76
RH % (24H TREND) 72 (+24) 100 (+4) 52
20FTWND-VAL/AM(MPH) LGT/VAR LGT/VAR
20FTWND-RDG/PM(MPH) LGT/VAR LGT/VAR LGT/VAR
PRECIP AMOUNT 0.22 0.01 0.00
PRECIP DURATION 8 0 1
PRECIP BEGIN 6 AM CONTINUING 1 PM
PRECIP END CONTINUING 9 PM CONTINUING
MIXING HGT(FT-AGL/MSL)2090 5670
TRANSPORT WND (KTS) W 8 W 6
VENT RATE (KT-FT) 21670 44030
DISPERSION MARGINAL FAIR
CWR 70
KBDI <200 <200 <200
REMARKS...NONE.
MEZ102-172000-
NORTH WOODS AND ST. JOHN VALLEY-
243 AM EDT MON AUG 17 2026
TODAY TONIGHT TUE
CLOUD COVER MCLDY MCLDY MCLDY
PRECIP TYPE TSTMS TSTMS TSTMS
CHANCE PRECIP (%) 100 50 30
CHANCE OF THUNDER (%) 18(LTD) 14 16(LTD)
TEMP (24H TREND) 70 (-1) 54 (+1) 75
RH % (24H TREND) 80 (+33) 100 (+4) 58
20FTWND-VAL/AM(MPH) S 5 LGT/VAR
20FTWND-RDG/PM(MPH) LGT/VAR LGT/VAR LGT/VAR
PRECIP AMOUNT 0.28 0.03 0.02
PRECIP DURATION 10 2 2
PRECIP BEGIN 6 AM CONTINUING 10 AM
PRECIP END CONTINUING 1 AM CONTINUING
MIXING HGT(FT-AGL/MSL)1600 4290
TRANSPORT WND (KTS) SW 11 E 5
VENT RATE (KT-FT) 24230 29390
DISPERSION MARGINAL MARGINAL
CWR 90 10 10
KBDI <200 <200 <200
REMARKS...NONE.
MEZ103-172000-
EASTERN AROOSTOOK-
243 AM EDT MON AUG 17 2026
TODAY TONIGHT TUE
CLOUD COVER CLOUDY MCLDY MCLDY
PRECIP TYPE TSTMS TSTMS TSTMS
CHANCE PRECIP (%) 100 60 40
CHANCE OF THUNDER (%) 19(LTD) 16(LTD) 24(LTD)
TEMP (24H TREND) 68 (-3) 57 (+3) 73
RH % (24H TREND) 81 (+36) 100 (+6) 67
20FTWND-VAL/AM(MPH) S 8 G21 LGT/VAR
20FTWND-RDG/PM(MPH) S 9 G21 S 5 G17 LGT/VAR
PRECIP AMOUNT 0.36 0.06 0.06
PRECIP DURATION 11 3 3
PRECIP BEGIN 6 AM CONTINUING CONTINUING
PRECIP END CONTINUING CONTINUING CONTINUING
MIXING HGT(FT-AGL/MSL)1820 2830
TRANSPORT WND (KTS) S 17 NE 6
VENT RATE (KT-FT) 47650 21210
DISPERSION FAIR MARGINAL
CWR 100 20 30
KBDI 201-300 201-300 201-300
REMARKS...NONE.
MEZ105-172000-
CENTRAL HIGHLANDS-
243 AM EDT MON AUG 17 2026
TODAY TONIGHT TUE
CLOUD COVER CLOUDY MCLDY MCLDY
PRECIP TYPE TSTMS SHOWERS TSTMS
CHANCE PRECIP (%) 90 60 40
CHANCE OF THUNDER (%) 17(LTD) 14 23(LTD)
TEMP (24H TREND) 69 (-2) 57 (+2) 76
RH % (24H TREND) 84 (+37) 100 (+3) 65
20FTWND-VAL/AM(MPH) S 7 G18 LGT/VAR
20FTWND-RDG/PM(MPH) S 6 G17 LGT/VAR LGT/VAR
PRECIP AMOUNT 0.33 0.06 0.05
PRECIP DURATION 11 5 5
PRECIP BEGIN 6 AM CONTINUING CONTINUING
PRECIP END CONTINUING CONTINUING CONTINUING
MIXING HGT(FT-AGL/MSL)1730 2440
TRANSPORT WND (KTS) S 14 NE 7
VENT RATE (KT-FT) 35500 22450
DISPERSION FAIR MARGINAL
CWR 90 20 30
KBDI 201-300 201-300 201-300
REMARKS...NONE.
MEZ106-172000-
CENTRAL MAINE NORTH OF BANGOR-
243 AM EDT MON AUG 17 2026
TODAY TONIGHT TUE
CLOUD COVER CLOUDY CLOUDY MCLDY
PRECIP TYPE SHOWERS TSTMS TSTMS
CHANCE PRECIP (%) 100 60 40
CHANCE OF THUNDER (%) 14 14 24(LTD)
TEMP (24H TREND) 67 (-7) 59 (+3) 74
RH % (24H TREND) 81 (+39) 100 (+3) 73
20FTWND-VAL/AM(MPH) S 8 G18 LGT/VAR
20FTWND-RDG/PM(MPH) S 8 G18 LGT/VAR LGT/VAR
PRECIP AMOUNT 0.21 0.06 0.07
PRECIP DURATION 9 6 5
PRECIP BEGIN 6 AM CONTINUING CONTINUING
PRECIP END CONTINUING CONTINUING CONTINUING
MIXING HGT(FT-AGL/MSL)2190 1870
TRANSPORT WND (KTS) S 17 NE 7
VENT RATE (KT-FT) 44380 20640
DISPERSION FAIR MARGINAL
CWR 80 20 30
KBDI 301-400 301-400 301-400
REMARKS...NONE.
MEZ108-172000-
INTERIOR DOWNEAST-
243 AM EDT MON AUG 17 2026
TODAY TONIGHT TUE
CLOUD COVER MCLDY CLOUDY MCLDY
PRECIP TYPE SHOWERS TSTMS TSTMS
CHANCE PRECIP (%) 80 60 40
CHANCE OF THUNDER (%) 8 11 16(LTD)
TEMP (24H TREND) 67 (-6) 58 (+2) 73
RH % (24H TREND) 83 (+38) 100 (+3) 82
20FTWND-VAL/AM(MPH) S 9 G20 LGT/VAR
20FTWND-RDG/PM(MPH) S 8 G20 LGT/VAR LGT/VAR
PRECIP AMOUNT 0.12 0.05 0.06
PRECIP DURATION 6 6 4
PRECIP BEGIN 6 AM CONTINUING CONTINUING
PRECIP END CONTINUING CONTINUING CONTINUING
MIXING HGT(FT-AGL/MSL)2130 2320
TRANSPORT WND (KTS) S 16 NE 8
VENT RATE (KT-FT) 40170 20640
DISPERSION FAIR MARGINAL
CWR 40 20 30
KBDI 301-400 301-400 301-400
REMARKS...NONE.
MEZ112-172000-
COASTAL DOWNEAST-
243 AM EDT MON AUG 17 2026
TODAY TONIGHT TUE
CLOUD COVER MCLDY CLOUDY MCLDY
PRECIP TYPE SHOWERS SHOWERS SHOWERS
CHANCE PRECIP (%) 80 70 40
CHANCE OF THUNDER (%) 7 11 12
TEMP (24H TREND) 67 (-5) 56 (0) 74
RH % (24H TREND) 85 (+35) 100 (+2) 79
20FTWND-VAL/AM(MPH) S 9 G21 LGT/VAR
20FTWND-RDG/PM(MPH) S 9 G20 LGT/VAR LGT/VAR
PRECIP AMOUNT 0.08 0.10 0.08
PRECIP DURATION 5 5 5
PRECIP BEGIN 6 AM CONTINUING CONTINUING
PRECIP END CONTINUING CONTINUING CONTINUING
MIXING HGT(FT-AGL/MSL)1640 1690
TRANSPORT WND (KTS) S 15 NE 7
VENT RATE (KT-FT) 34290 18760
DISPERSION MARGINAL POOR
CWR 30 30 40
KBDI 301-400 301-400 301-400
REMARKS...NONE.
MEZ113-172000-
BANGOR REGION-
243 AM EDT MON AUG 17 2026
TODAY TONIGHT TUE
CLOUD COVER CLOUDY CLOUDY MCLDY
PRECIP TYPE SHOWERS SHOWERS TSTMS
CHANCE PRECIP (%) 90 60 40
CHANCE OF THUNDER (%) 14 14 23(LTD)
TEMP (24H TREND) 68 (-7) 59 (+2) 75
RH % (24H TREND) 88 (+43) 100 (+2) 77
20FTWND-VAL/AM(MPH) S 10 G21 LGT/VAR
20FTWND-RDG/PM(MPH) S 9 G21 S 5 G17 LGT/VAR
PRECIP AMOUNT 0.23 0.05 0.04
PRECIP DURATION 8 5 4
PRECIP BEGIN 6 AM CONTINUING CONTINUING
PRECIP END CONTINUING CONTINUING CONTINUING
MIXING HGT(FT-AGL/MSL)2230 2010
TRANSPORT WND (KTS) S 16 NE 8
VENT RATE (KT-FT) 43270 19760
DISPERSION FAIR POOR
CWR 80 20 10
KBDI 401-500 401-500 401-500
REMARKS...NONE.
MEZ114-172000-
EASTERN PENOBSCOT BAY COAST-
243 AM EDT MON AUG 17 2026
TODAY TONIGHT TUE
CLOUD COVER MCLDY CLOUDY MCLDY
PRECIP TYPE SHOWERS SHOWERS TSTMS
CHANCE PRECIP (%) 80 50 30
CHANCE OF THUNDER (%) 9 13 15(LTD)
TEMP (24H TREND) 69 (-4) 59 (+1) 78
RH % (24H TREND) 87 (+37) 100 (+1) 74
20FTWND-VAL/AM(MPH) S 10 G21 LGT/VAR
20FTWND-RDG/PM(MPH) S 10 G21 LGT/VAR LGT/VAR
PRECIP AMOUNT 0.10 0.10 0.02
PRECIP DURATION 7 5 2
PRECIP BEGIN 6 AM CONTINUING CONTINUING
PRECIP END CONTINUING CONTINUING CONTINUING
MIXING HGT(FT-AGL/MSL)1730 2240
TRANSPORT WND (KTS) S 14 NE 9
VENT RATE (KT-FT) 28580 20200
DISPERSION MARGINAL MARGINAL
CWR 30 40 10
KBDI 401-500 401-500 401-500
REMARKS...NONE.
FORECAST FOR DAYS 3 THROUGH 7
TUESDAY NIGHT
MOSTLY CLOUDY. LOWS IN THE UPPER 50S. LIGHT
WINDS.
WEDNESDAY
PARTLY SUNNY. HIGHS IN THE UPPER 70S. WEST WINDS
AROUND 5 MPH.
WEDNESDAY NIGHT
MOSTLY CLOUDY. PATCHY FOG. LOWS IN THE MID
50S. WEST WINDS AROUND 5 MPH.
THURSDAY
MOSTLY SUNNY. PATCHY FOG. HIGHS IN THE MID 70S. WEST
WINDS AROUND 5 MPH.
THURSDAY NIGHT
MOSTLY CLEAR. LOWS IN THE LOWER 50S. NORTHWEST
WINDS AROUND 5 MPH.
FRIDAY
SUNNY. HIGHS IN THE MID 70S. WEST WINDS AROUND 5 MPH.
FRIDAY NIGHT
MOSTLY CLEAR. LOWS IN THE LOWER 50S. SOUTHWEST
WINDS AROUND 5 MPH.
SATURDAY
MOSTLY SUNNY. HIGHS IN THE UPPER 70S. SOUTH WINDS
AROUND 5 MPH.
SATURDAY NIGHT
PARTLY CLOUDY. LOWS IN THE MID 50S. SOUTHEAST
WINDS AROUND 5 MPH.
SUNDAY
PARTLY SUNNY WITH A CHANCE OF SHOWERS. HIGHS IN THE MID
70S. SOUTHEAST WINDS AROUND 5 MPH.
OUTLOOK 8 TO 14 DAYS
TEMPERATURES NEAR NORMAL. PRECIPITATION NEAR NORMAL.
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