103
FNUS51 KCAR 211844
FWFCAR
FIRE WEATHER PLANNING FORECAST FOR NORTHERN AND EASTERN MAINE
NATIONAL WEATHER SERVICE CARIBOU ME
243 PM EDT FRI AUG 21 2026
DISCUSSION
TODAY IS A MOSTLY SUNNY DAY WITH 70S AND A FEW LOW 80S. LIGHT
N-NW WINDS AROUND 5MPH ACROSS THE AREA. EXPECT MINIMUM RHS TO DIP
INTO THE 30-40% RANGE ACROSS THE AREA EXCEPT 40S PERCENT ALONG
THE
COAST THANKS TO AN AFTERNOON SEABREEZE. MOSTLY DRY SATURDAY WITH
SHOWERS DEVELOPING DOWNEAST BY LATE AFTERNOON. 38-45% MINIMUM RHS
TOMORROW AFTERNOON IN NORTHERN MAINE AND INCREASING 55-70% RHS
FOR
THE HIGHLANDS TO DOWNEAST COAST. WETTING RAINS LIKELY FROM LATE
SATURDAY NIGHT INTO MONDAY WITH NUMEROUS SHOWERS AND A FEW
THUNDERSTORMS.
MEZ101-220800-
QUEBEC-MAINE BORDERLANDS-
243 PM EDT FRI AUG 21 2026
TONIGHT SAT SAT NIGHT SUN
CLOUD COVER CLEAR MCLEAR PCLDY MCLDY
PRECIP TYPE NONE NONE SHOWERS TSTMS
CHANCE PRECIP (%) 0 0 40 70
CHANCE OF THUNDER (%) 0 0(NONE) 4 18(LTD)
TEMP (24H TREND) 43 (-2) 77 (+5) 54 71
RH % (24H TREND) 94 (-5) 37 (0) 100 74
20FTWND-VAL/AM(MPH) LGT/VAR LGT/VAR
20FTWND-RDG/PM(MPH) LGT/VAR LGT/VAR LGT/VAR SE 5
PRECIP AMOUNT 0.00 0.00 0.04 0.09
PRECIP DURATION 3 5
PRECIP BEGIN 10 PM CONTINUING
PRECIP END CONTINUING CONTINUING
MIXING HGT(FT-AGL/MSL) 6240 2170
TRANSPORT WND (KTS) S 10 SE 11
VENT RATE (KT-FT) 66850 31210
DISPERSION GOOD MARGINAL
CWR 0 0 20 30
KBDI <200 <200 <200 <200
REMARKS...NONE.
MEZ102-220800-
NORTH WOODS AND ST. JOHN VALLEY-
243 PM EDT FRI AUG 21 2026
TONIGHT SAT SAT NIGHT SUN
CLOUD COVER MCLEAR MCLEAR PCLDY MCLDY
PRECIP TYPE NONE NONE SHOWERS TSTMS
CHANCE PRECIP (%) 0 0 50 60
CHANCE OF THUNDER (%) 0 0(NONE) 4 17(LTD)
TEMP (24H TREND) 44 (-2) 78 (+5) 53 71
RH % (24H TREND) 92 (-6) 38 (0) 100 77
20FTWND-VAL/AM(MPH) LGT/VAR E 5
20FTWND-RDG/PM(MPH) LGT/VAR LGT/VAR LGT/VAR E 5
PRECIP AMOUNT 0.00 0.00 0.08 0.13
PRECIP DURATION 3 7
PRECIP BEGIN 10 PM CONTINUING
PRECIP END CONTINUING CONTINUING
MIXING HGT(FT-AGL/MSL) 6120 1990
TRANSPORT WND (KTS) SE 9 SE 10
VENT RATE (KT-FT) 64880 26340
DISPERSION GOOD MARGINAL
CWR 0 0 40 40
KBDI <200 <200 <200 201-300
REMARKS...NONE.
MEZ103-220800-
EASTERN AROOSTOOK-
243 PM EDT FRI AUG 21 2026
TONIGHT SAT SAT NIGHT SUN
CLOUD COVER CLEAR MCLEAR MCLDY MCLDY
PRECIP TYPE NONE SHOWERS SHOWERS TSTMS
CHANCE PRECIP (%) 0 0 80 80
CHANCE OF THUNDER (%) 0 2 7 17(LTD)
TEMP (24H TREND) 45 (-2) 78 (+4) 54 71
RH % (24H TREND) 93 (-5) 39 (0) 100 80
20FTWND-VAL/AM(MPH) LGT/VAR E 6 G17
20FTWND-RDG/PM(MPH) LGT/VAR LGT/VAR LGT/VAR SE 7 G17
PRECIP AMOUNT 0.00 0.00 0.14 0.18
PRECIP DURATION 7 9
PRECIP BEGIN 6 PM CONTINUING
PRECIP END CONTINUING CONTINUING
MIXING HGT(FT-AGL/MSL) 6200 1920
TRANSPORT WND (KTS) SE 8 SE 11
VENT RATE (KT-FT) 57330 27160
DISPERSION GOOD MARGINAL
CWR 0 80 70
KBDI 201-300 201-300 201-300 201-300
REMARKS...NONE.
MEZ105-220800-
CENTRAL HIGHLANDS-
243 PM EDT FRI AUG 21 2026
TONIGHT SAT SAT NIGHT SUN
CLOUD COVER MCLEAR PCLDY MCLDY MCLDY
PRECIP TYPE NONE SHOWERS SHOWERS TSTMS
CHANCE PRECIP (%) 0 20 70 70
CHANCE OF THUNDER (%) 0 5 10 18(LTD)
TEMP (24H TREND) 49 (-3) 78 (+4) 55 73
RH % (24H TREND) 88 (-7) 41 (+2) 100 79
20FTWND-VAL/AM(MPH) LGT/VAR LGT/VAR
20FTWND-RDG/PM(MPH) LGT/VAR SE 5 LGT/VAR SE 5
PRECIP AMOUNT 0.00 0.00 0.13 0.16
PRECIP DURATION 1 6 7
PRECIP BEGIN 4 PM CONTINUING CONTINUING
PRECIP END CONTINUING CONTINUING CONTINUING
MIXING HGT(FT-AGL/MSL) 5950 1920
TRANSPORT WND (KTS) SE 10 SE 10
VENT RATE (KT-FT) 66040 23470
DISPERSION GOOD MARGINAL
CWR 0 50 60
KBDI 201-300 201-300 201-300 201-300
REMARKS...NONE.
MEZ106-220800-
CENTRAL MAINE NORTH OF BANGOR-
243 PM EDT FRI AUG 21 2026
TONIGHT SAT SAT NIGHT SUN
CLOUD COVER MCLEAR PCLDY MCLDY MCLDY
PRECIP TYPE NONE SHOWERS TSTMS TSTMS
CHANCE PRECIP (%) 0 40 80 80
CHANCE OF THUNDER (%) 0 5 16(LTD) 18(LTD)
TEMP (24H TREND) 48 (-7) 80 (+3) 57 73
RH % (24H TREND) 90 (0) 39 (+1) 100 83
20FTWND-VAL/AM(MPH) LGT/VAR LGT/VAR
20FTWND-RDG/PM(MPH) LGT/VAR LGT/VAR LGT/VAR SE 5
PRECIP AMOUNT 0.00 0.02 0.24 0.21
PRECIP DURATION 1 9 7
PRECIP BEGIN 3 PM CONTINUING CONTINUING
PRECIP END CONTINUING CONTINUING CONTINUING
MIXING HGT(FT-AGL/MSL) 6180 2030
TRANSPORT WND (KTS) E 11 SE 10
VENT RATE (KT-FT) 65800 26370
DISPERSION GOOD MARGINAL
CWR 0 10 90 80
KBDI 301-400 301-400 301-400 301-400
REMARKS...NONE.
MEZ108-220800-
INTERIOR DOWNEAST-
243 PM EDT FRI AUG 21 2026
TONIGHT SAT SAT NIGHT SUN
CLOUD COVER MCLEAR PCLDY MCLDY MCLDY
PRECIP TYPE NONE SHOWERS TSTMS TSTMS
CHANCE PRECIP (%) 0 50 80 80
CHANCE OF THUNDER (%) 0 6 17(LTD) 19(LTD)
TEMP (24H TREND) 55 (-6) 77 (-2) 58 71
RH % (24H TREND) 81 (+2) 58 (+15) 100 90
20FTWND-VAL/AM(MPH) LGT/VAR LGT/VAR
20FTWND-RDG/PM(MPH) LGT/VAR E 5 LGT/VAR SE 5
PRECIP AMOUNT 0.00 0.06 0.38 0.29
PRECIP DURATION 1 10 8
PRECIP BEGIN 3 PM CONTINUING CONTINUING
PRECIP END CONTINUING CONTINUING CONTINUING
MIXING HGT(FT-AGL/MSL) 3790 1710
TRANSPORT WND (KTS) E 12 SE 9
VENT RATE (KT-FT) 56550 20190
DISPERSION GOOD MARGINAL
CWR 0 40 100 90
KBDI 301-400 301-400 301-400 301-400
REMARKS...NONE.
MEZ112-220800-
COASTAL DOWNEAST-
243 PM EDT FRI AUG 21 2026
TONIGHT SAT SAT NIGHT SUN
CLOUD COVER MCLEAR PCLDY MCLDY MCLDY
PRECIP TYPE NONE SHOWERS TSTMS TSTMS
CHANCE PRECIP (%) 0 50 90 80
CHANCE OF THUNDER (%) 0(NONE) 7 17(LTD) 19(LTD)
TEMP (24H TREND) 55 (-8) 77 (-2) 57 72
RH % (24H TREND) 84 (-4) 61 (+13) 100 89
20FTWND-VAL/AM(MPH) LGT/VAR LGT/VAR
20FTWND-RDG/PM(MPH) LGT/VAR E 5 E 5 LGT/VAR
PRECIP AMOUNT 0.00 0.08 0.45 0.33
PRECIP DURATION 2 9 10
PRECIP BEGIN 12 PM CONTINUING CONTINUING
PRECIP END CONTINUING CONTINUING CONTINUING
MIXING HGT(FT-AGL/MSL) 2460 1150
TRANSPORT WND (KTS) E 12 SE 7
VENT RATE (KT-FT) 44410 13910
DISPERSION FAIR POOR
CWR 0 80 100 100
KBDI 301-400 301-400 301-400 201-300
REMARKS...NONE.
MEZ113-220800-
BANGOR REGION-
243 PM EDT FRI AUG 21 2026
TONIGHT SAT SAT NIGHT SUN
CLOUD COVER MCLEAR PCLDY MCLDY MCLDY
PRECIP TYPE NONE SHOWERS SHOWERS TSTMS
CHANCE PRECIP (%) 0 40 80 70
CHANCE OF THUNDER (%) 0 7 13 16(LTD)
TEMP (24H TREND) 52 (-7) 79 (0) 58 73
RH % (24H TREND) 88 (+3) 52 (+10) 100 84
20FTWND-VAL/AM(MPH) LGT/VAR LGT/VAR
20FTWND-RDG/PM(MPH) LGT/VAR E 6 E 5 SE 6
PRECIP AMOUNT 0.00 0.05 0.19 0.16
PRECIP DURATION 1 7 7
PRECIP BEGIN 3 PM CONTINUING CONTINUING
PRECIP END CONTINUING CONTINUING CONTINUING
MIXING HGT(FT-AGL/MSL) 5010 2190
TRANSPORT WND (KTS) E 12 S 9
VENT RATE (KT-FT) 61410 24880
DISPERSION GOOD MARGINAL
CWR 0 40 90 80
KBDI 401-500 401-500 401-500 401-500
REMARKS...NONE.
MEZ114-220800-
EASTERN PENOBSCOT BAY COAST-
243 PM EDT FRI AUG 21 2026
TONIGHT SAT SAT NIGHT SUN
CLOUD COVER MCLEAR MCLDY MCLDY MCLDY
PRECIP TYPE NONE SHOWERS SHOWERS TSTMS
CHANCE PRECIP (%) 0 50 80 70
CHANCE OF THUNDER (%) 0 9 12 13
TEMP (24H TREND) 56 (-8) 78 (-3) 59 74
RH % (24H TREND) 85 (+2) 60 (+13) 100 87
20FTWND-VAL/AM(MPH) LGT/VAR LGT/VAR
20FTWND-RDG/PM(MPH) LGT/VAR E 6 E 6 G17 SE 6
PRECIP AMOUNT 0.00 0.13 0.24 0.18
PRECIP DURATION 2 7 7
PRECIP BEGIN 12 PM CONTINUING CONTINUING
PRECIP END CONTINUING CONTINUING CONTINUING
MIXING HGT(FT-AGL/MSL) 3470 1610
TRANSPORT WND (KTS) E 12 SE 8
VENT RATE (KT-FT) 46500 15340
DISPERSION FAIR POOR
CWR 0 100 90 80
KBDI 401-500 401-500 401-500 401-500
REMARKS...NONE.
FORECAST FOR DAYS 3 THROUGH 7
SUNDAY NIGHT
CLOUDY WITH SHOWERS LIKELY. PATCHY FOG. LOWS IN
THE LOWER 60S. SOUTHEAST WINDS AROUND 5 MPH.
MONDAY
MOSTLY CLOUDY WITH A CHANCE OF SHOWERS. PATCHY FOG.
HIGHS IN THE MID 70S. SOUTH WINDS AROUND 10 MPH.
MONDAY NIGHT
MOSTLY CLOUDY WITH A CHANCE OF SHOWERS. LOWS IN
THE MID 50S. SOUTHWEST WINDS AROUND 5 MPH.
TUESDAY
PARTLY SUNNY. HIGHS IN THE LOWER 70S. SOUTHWEST WINDS
AROUND 10 MPH.
TUESDAY NIGHT
PARTLY CLOUDY. LOWS IN THE LOWER 50S. SOUTHWEST
WINDS AROUND 10 MPH.
WEDNESDAY
MOSTLY SUNNY. HIGHS IN THE MID 70S. WEST WINDS
AROUND 10 MPH.
WEDNESDAY NIGHT
PARTLY CLOUDY. LOWS IN THE MID 50S. SOUTHWEST
WINDS AROUND 5 MPH.
THURSDAY
MOSTLY SUNNY. HIGHS IN THE UPPER 70S. SOUTHWEST WINDS
AROUND 5 MPH.
THURSDAY NIGHT
MOSTLY CLOUDY WITH A CHANCE OF SHOWERS. LOWS IN
THE UPPER 50S. SOUTH WINDS AROUND 5 MPH.
FRIDAY
PARTLY SUNNY WITH A CHANCE OF SHOWERS. HIGHS IN THE
UPPER 70S. SOUTHWEST WINDS AROUND 5 MPH.
OUTLOOK 8 TO 14 DAYS
TEMPERATURES NEAR NORMAL. PRECIPITATION ABOVE NORMAL.
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