450
FNUS51 KCAR 201844
FWFCAR
FIRE WEATHER PLANNING FORECAST FOR NORTHERN AND EASTERN MAINE
NATIONAL WEATHER SERVICE CARIBOU ME
243 PM EDT THU AUG 20 2026
DISCUSSION
PARTLY SUNNY SKIES TODAY WITH MUCH OF THE AREA REMAINING DRY
EXCEPT FOR SOME SCATTERED SHOWERS IN THE ST. JOHN VALLEY TODAY.
TEMPERATURES IN THE 70S TO LOW 80S WITH LIGHT WEST WINDS 5-10MPH.
AFTERNOON MINIMUM RHS DIP INTO THE 40-50% RANGE WITH 35-40% RHS
IN
THE BAXTER STATE PARK AREA TO DANFORTH. TONIGHT, EXPECT RHS TO
RECOVER TO NEAR 100% IN THE ENTIRE FORECAST AREA. FRIDAY, 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 RH.
MEZ101-210800-
QUEBEC-MAINE BORDERLANDS-
243 PM EDT THU AUG 20 2026
TONIGHT FRI FRI NIGHT SAT
CLOUD COVER PCLDY MCLEAR MCLEAR PCLDY
PRECIP TYPE SHOWERS NONE NONE SHOWERS
CHANCE PRECIP (%) 10 0 0 10
CHANCE OF THUNDER (%) 5 0 0(NONE) 3
TEMP (24H TREND) 43 (-11) 73 (+1) 44 76
RH % (24H TREND) 100 (+1) 34 (-14) 95 40
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 0.00 0.00
PRECIP DURATION 0 0
PRECIP BEGIN 6 PM 5 PM
PRECIP END 7 PM CONTINUING
MIXING HGT(FT-AGL/MSL) 6610 6590
TRANSPORT WND (KTS) NW 6 S 10
VENT RATE (KT-FT) 51750 73690
DISPERSION GOOD GOOD
CWR 0 0
KBDI <200 <200 <200 <200
REMARKS...NONE.
MEZ102-210800-
NORTH WOODS AND ST. JOHN VALLEY-
243 PM EDT THU AUG 20 2026
TONIGHT FRI FRI NIGHT SAT
CLOUD COVER PCLDY MCLEAR MCLEAR PCLDY
PRECIP TYPE SHOWERS NONE NONE SHOWERS
CHANCE PRECIP (%) 10 0 0 20
CHANCE OF THUNDER (%) 5 0 0(NONE) 2
TEMP (24H TREND) 44 (-12) 75 (+1) 45 76
RH % (24H TREND) 99 (+2) 35 (-13) 94 43
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 0.00 0.00
PRECIP DURATION 0 0
PRECIP BEGIN 6 PM 4 PM
PRECIP END 7 PM CONTINUING
MIXING HGT(FT-AGL/MSL) 6570 6670
TRANSPORT WND (KTS) NW 6 S 10
VENT RATE (KT-FT) 61560 74500
DISPERSION GOOD GOOD
CWR 0 0
KBDI <200 <200 <200 <200
REMARKS...NONE.
MEZ103-210800-
EASTERN AROOSTOOK-
243 PM EDT THU AUG 20 2026
TONIGHT FRI FRI NIGHT SAT
CLOUD COVER PCLDY CLEAR MCLEAR PCLDY
PRECIP TYPE SHOWERS NONE NONE SHOWERS
CHANCE PRECIP (%) 10 0 0 20
CHANCE OF THUNDER (%) 3 0 0(NONE) 2
TEMP (24H TREND) 45 (-11) 76 (0) 44 75
RH % (24H TREND) 98 (+2) 35 (-13) 95 44
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 0.00 0.00
PRECIP DURATION 0 0
PRECIP BEGIN 6 PM 4 PM
PRECIP END 7 PM CONTINUING
MIXING HGT(FT-AGL/MSL) 6450 6120
TRANSPORT WND (KTS) NW 7 SE 10
VENT RATE (KT-FT) 55740 66770
DISPERSION GOOD GOOD
CWR 0 0
KBDI 201-300 201-300 201-300 201-300
REMARKS...NONE.
MEZ105-210800-
CENTRAL HIGHLANDS-
243 PM EDT THU AUG 20 2026
TONIGHT FRI FRI NIGHT SAT
CLOUD COVER PCLDY MCLEAR MCLEAR PCLDY
PRECIP TYPE NONE NONE NONE SHOWERS
CHANCE PRECIP (%) 0 0 0 30
CHANCE OF THUNDER (%) 2 0 0(NONE) 4
TEMP (24H TREND) 48 (-10) 77 (+1) 49 75
RH % (24H TREND) 96 (0) 35 (-12) 91 44
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 0.00 0.00
PRECIP DURATION 1
PRECIP BEGIN 3 PM
PRECIP END CONTINUING
MIXING HGT(FT-AGL/MSL) 6530 5430
TRANSPORT WND (KTS) NW 6 SE 10
VENT RATE (KT-FT) 44000 61000
DISPERSION FAIR GOOD
CWR 0 0 0
KBDI 201-300 201-300 201-300 201-300
REMARKS...NONE.
MEZ106-210800-
CENTRAL MAINE NORTH OF BANGOR-
243 PM EDT THU AUG 20 2026
TONIGHT FRI FRI NIGHT SAT
CLOUD COVER PCLDY CLEAR MCLEAR PCLDY
PRECIP TYPE NONE NONE NONE SHOWERS
CHANCE PRECIP (%) 0 0 0 40
CHANCE OF THUNDER (%) 3 0(NONE) 0(NONE) 5
TEMP (24H TREND) 51 (-9) 79 (-1) 49 75
RH % (24H TREND) 93 (-4) 33 (-14) 92 44
20FTWND-VAL/AM(MPH) LGT/VAR LGT/VAR
20FTWND-RDG/PM(MPH) LGT/VAR LGT/VAR LGT/VAR LGT/VAR
PRECIP AMOUNT 0.00 0.00 0.00 0.01
PRECIP DURATION 1
PRECIP BEGIN 1 PM
PRECIP END CONTINUING
MIXING HGT(FT-AGL/MSL) 6660 5730
TRANSPORT WND (KTS) NW 6 SE 10
VENT RATE (KT-FT) 47120 60700
DISPERSION FAIR GOOD
CWR 0 0 0
KBDI 301-400 301-400 301-400 301-400
REMARKS...NONE.
MEZ108-210800-
INTERIOR DOWNEAST-
243 PM EDT THU AUG 20 2026
TONIGHT FRI FRI NIGHT SAT
CLOUD COVER MCLDY MCLEAR MCLEAR PCLDY
PRECIP TYPE NONE NONE NONE SHOWERS
CHANCE PRECIP (%) 0 0 0 50
CHANCE OF THUNDER (%) 3 1 0(NONE) 5
TEMP (24H TREND) 57 (-8) 80 (-1) 54 74
RH % (24H TREND) 87 (-11) 40 (-13) 89 59
20FTWND-VAL/AM(MPH) LGT/VAR LGT/VAR
20FTWND-RDG/PM(MPH) LGT/VAR LGT/VAR LGT/VAR E 5
PRECIP AMOUNT 0.00 0.00 0.00 0.05
PRECIP DURATION 1
PRECIP BEGIN 11 AM
PRECIP END CONTINUING
MIXING HGT(FT-AGL/MSL) 6730 3690
TRANSPORT WND (KTS) NW 5 E 10
VENT RATE (KT-FT) 40390 48310
DISPERSION FAIR FAIR
CWR 0 0 0 40
KBDI 301-400 301-400 301-400 301-400
REMARKS...NONE.
MEZ112-210800-
COASTAL DOWNEAST-
243 PM EDT THU AUG 20 2026
TONIGHT FRI FRI NIGHT SAT
CLOUD COVER MCLDY MCLEAR PCLDY MCLDY
PRECIP TYPE NONE NONE NONE SHOWERS
CHANCE PRECIP (%) 0 0 0 60
CHANCE OF THUNDER (%) 2 1 0(NONE) 4
TEMP (24H TREND) 57 (-6) 82 (+2) 53 74
RH % (24H TREND) 88 (-11) 40 (-22) 92 61
20FTWND-VAL/AM(MPH) LGT/VAR LGT/VAR
20FTWND-RDG/PM(MPH) LGT/VAR LGT/VAR LGT/VAR E 5
PRECIP AMOUNT 0.00 0.00 0.00 0.10
PRECIP DURATION 2
PRECIP BEGIN 11 AM
PRECIP END CONTINUING
MIXING HGT(FT-AGL/MSL) 5190 2500
TRANSPORT WND (KTS) NE 5 E 9
VENT RATE (KT-FT) 32970 29680
DISPERSION MARGINAL MARGINAL
CWR 0 0 0 90
KBDI 301-400 301-400 301-400 301-400
REMARKS...NONE.
MEZ113-210800-
BANGOR REGION-
243 PM EDT THU AUG 20 2026
TONIGHT FRI FRI NIGHT SAT
CLOUD COVER PCLDY MCLEAR MCLEAR MCLDY
PRECIP TYPE NONE NONE NONE SHOWERS
CHANCE PRECIP (%) 0 0 0 50
CHANCE OF THUNDER (%) 4 0(NONE) 0(NONE) 5
TEMP (24H TREND) 54 (-8) 80 (-1) 51 75
RH % (24H TREND) 90 (-10) 39 (-9) 94 55
20FTWND-VAL/AM(MPH) LGT/VAR LGT/VAR
20FTWND-RDG/PM(MPH) LGT/VAR LGT/VAR LGT/VAR SE 6
PRECIP AMOUNT 0.00 0.00 0.00 0.02
PRECIP DURATION 1
PRECIP BEGIN 11 AM
PRECIP END CONTINUING
MIXING HGT(FT-AGL/MSL) 6670 4750
TRANSPORT WND (KTS) N 5 SE 11
VENT RATE (KT-FT) 40390 53150
DISPERSION FAIR GOOD
CWR 0 0 0 10
KBDI 401-500 401-500 401-500 401-500
REMARKS...NONE.
MEZ114-210800-
EASTERN PENOBSCOT BAY COAST-
243 PM EDT THU AUG 20 2026
TONIGHT FRI FRI NIGHT SAT
CLOUD COVER MCLDY MCLEAR PCLDY MCLDY
PRECIP TYPE NONE NONE NONE SHOWERS
CHANCE PRECIP (%) 0 0 0 50
CHANCE OF THUNDER (%) 1 0(NONE) 0(NONE) 5
TEMP (24H TREND) 58 (-4) 84 (+2) 54 76
RH % (24H TREND) 87 (-13) 39 (-17) 91 60
20FTWND-VAL/AM(MPH) LGT/VAR LGT/VAR
20FTWND-RDG/PM(MPH) LGT/VAR LGT/VAR LGT/VAR E 7
PRECIP AMOUNT 0.00 0.00 0.00 0.10
PRECIP DURATION 1
PRECIP BEGIN 11 AM
PRECIP END CONTINUING
MIXING HGT(FT-AGL/MSL) 6450 3140
TRANSPORT WND (KTS) NE 5 E 11
VENT RATE (KT-FT) 39920 37690
DISPERSION FAIR FAIR
CWR 0 0 0 90
KBDI 401-500 401-500 401-500 401-500
REMARKS...NONE.
FORECAST FOR DAYS 3 THROUGH 7
SATURDAY NIGHT
MOSTLY CLOUDY WITH SHOWERS LIKELY. LOWS IN THE
MID 50S. EAST WINDS AROUND 5 MPH.
SUNDAY
MOSTLY CLOUDY WITH SHOWERS LIKELY. HIGHS IN THE LOWER
70S. EAST WINDS AROUND 5 MPH.
SUNDAY NIGHT
MOSTLY CLOUDY WITH SHOWERS LIKELY. LOWS AROUND
60. SOUTHEAST WINDS AROUND 5 MPH.
MONDAY
MOSTLY CLOUDY WITH A CHANCE OF SHOWERS AND
THUNDERSTORMS. HIGHS IN THE MID 70S. SOUTH WINDS AROUND 10 MPH.
MONDAY NIGHT
MOSTLY CLOUDY WITH A CHANCE OF SHOWERS AND
THUNDERSTORMS. LOWS IN THE LOWER 50S. SOUTHWEST WINDS AROUND
10 MPH.
TUESDAY
MOSTLY SUNNY. HIGHS IN THE LOWER 70S. WEST 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 10 MPH.
OUTLOOK 8 TO 14 DAYS
TEMPERATURES ABOVE NORMAL. PRECIPITATION ABOVE NORMAL.
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