850
FNUS51 KCAR 180646
FWFCAR
FIRE WEATHER PLANNING FORECAST FOR NORTHERN AND EASTERN MAINE
NATIONAL WEATHER SERVICE CARIBOU ME
246 AM EDT SAT JUL 18 2026
DISCUSSION
ONTARIO WILDFIRE SMOKE WORKS BACK INTO THE REGION THIS MORNING
LASTING INTO TONIGHT. A WETTING RAIN IS EXPECTED THIS WEEKEND
WITH SHOWERS AND POSSIBLY A THUNDERSTORM OR TWO LATE SATURDAY
THROUGH SUNDAY. DRY MONDAY WITH RH IN THE 30 TO 40% RANGE. ANOTHER
WETTING RAIN EVENT LIKELY TUESDAY NIGHT INTO WEDNESDAY.
MEZ101-182030-
QUEBEC-MAINE BORDERLANDS-
246 AM EDT SAT JUL 18 2026
TODAY TONIGHT SUN
CLOUD COVER MCLDY MCLDY PCLDY
PRECIP TYPE TSTMS TSTMS TSTMS
CHANCE PRECIP (%) 90 100 30
CHANCE OF THUNDER (%) 27(ELEV) 29(ELEV) 13
TEMP (24H TREND) 71 (-1) 49 (-1) 68
RH % (24H TREND) 46 (+14) 100 (+20) 45
20FTWND-VAL/AM(MPH) LGT/VAR NW 9 G21
20FTWND-RDG/PM(MPH) S 5 LGT/VAR NW 10 G21
PRECIP AMOUNT 0.23 0.40 0.02
PRECIP DURATION 5 10 2
PRECIP BEGIN 11 AM CONTINUING CONTINUING
PRECIP END CONTINUING CONTINUING CONTINUING
MIXING HGT(FT-AGL/MSL)2760 5440
TRANSPORT WND (KTS) S 12 NW 18
VENT RATE (KT-FT) 47140 110360
DISPERSION FAIR VERY GOOD
CWR 100 100 10
KBDI N/A N/A N/A
REMARKS...NONE.
MEZ102-182030-
NORTH WOODS AND ST. JOHN VALLEY-
246 AM EDT SAT JUL 18 2026
TODAY TONIGHT SUN
CLOUD COVER MCLDY MCLDY PCLDY
PRECIP TYPE TSTMS TSTMS TSTMS
CHANCE PRECIP (%) 80 100 30
CHANCE OF THUNDER (%) 24(LTD) 29(ELEV) 13
TEMP (24H TREND) 73 (0) 50 (0) 70
RH % (24H TREND) 45 (+11) 100 (+18) 47
20FTWND-VAL/AM(MPH) LGT/VAR NW 10 G23
20FTWND-RDG/PM(MPH) S 6 LGT/VAR NW 11 G23
PRECIP AMOUNT 0.14 0.36 0.01
PRECIP DURATION 5 7 1
PRECIP BEGIN 11 AM CONTINUING CONTINUING
PRECIP END CONTINUING CONTINUING 6 PM
MIXING HGT(FT-AGL/MSL)3810 5670
TRANSPORT WND (KTS) S 12 NW 19
VENT RATE (KT-FT) 68170 135190
DISPERSION GOOD EXCELLENT
CWR 90 100 10
KBDI N/A N/A N/A
REMARKS...NONE.
MEZ103-182030-
EASTERN AROOSTOOK-
246 AM EDT SAT JUL 18 2026
TODAY TONIGHT SUN
CLOUD COVER MCLDY MCLDY PCLDY
PRECIP TYPE TSTMS TSTMS TSTMS
CHANCE PRECIP (%) 70 90 20
CHANCE OF THUNDER (%) 21(LTD) 27(ELEV) 15(LTD)
TEMP (24H TREND) 74 (0) 54 (+4) 71
RH % (24H TREND) 42 (+7) 100 (+18) 46
20FTWND-VAL/AM(MPH) LGT/VAR W 11 G26
20FTWND-RDG/PM(MPH) S 8 G18 S 9 G23 NW 13 G27
PRECIP AMOUNT 0.08 0.35 0.01
PRECIP DURATION 3 7 1
PRECIP BEGIN 12 PM CONTINUING CONTINUING
PRECIP END CONTINUING CONTINUING 4 PM
MIXING HGT(FT-AGL/MSL)4400 5790
TRANSPORT WND (KTS) SW 15 NW 21
VENT RATE (KT-FT) 73250 140190
DISPERSION GOOD EXCELLENT
CWR 60 100 10
KBDI <200 <200 <200
REMARKS...NONE.
MEZ105-182030-
CENTRAL HIGHLANDS-
246 AM EDT SAT JUL 18 2026
TODAY TONIGHT SUN
CLOUD COVER MCLDY MCLDY PCLDY
PRECIP TYPE TSTMS TSTMS SHOWERS
CHANCE PRECIP (%) 70 90 0
CHANCE OF THUNDER (%) 27(ELEV) 33(ELEV) 6
TEMP (24H TREND) 74 (+1) 55 (+3) 72
RH % (24H TREND) 46 (+7) 100 (+19) 46
20FTWND-VAL/AM(MPH) LGT/VAR NW 13 G27
20FTWND-RDG/PM(MPH) S 7 G17 S 7 G20 NW 13 G26
PRECIP AMOUNT 0.08 0.22 0.00
PRECIP DURATION 3 6
PRECIP BEGIN 11 AM CONTINUING
PRECIP END CONTINUING 5 AM
MIXING HGT(FT-AGL/MSL)3640 6250
TRANSPORT WND (KTS) S 16 NW 22
VENT RATE (KT-FT) 70270 166900
DISPERSION GOOD EXCELLENT
CWR 50 90 10
KBDI N/A N/A N/A
REMARKS...NONE.
MEZ106-182030-
CENTRAL MAINE NORTH OF BANGOR-
246 AM EDT SAT JUL 18 2026
TODAY TONIGHT SUN
CLOUD COVER PCLDY MCLDY MCLEAR
PRECIP TYPE TSTMS TSTMS NONE
CHANCE PRECIP (%) 40 90 0
CHANCE OF THUNDER (%) 24(LTD) 37(ELEV) 5
TEMP (24H TREND) 76 (+1) 57 (+4) 75
RH % (24H TREND) 40 (+2) 100 (+17) 46
20FTWND-VAL/AM(MPH) LGT/VAR W 10 G23
20FTWND-RDG/PM(MPH) S 7 G20 S 9 G23 NW 11 G25
PRECIP AMOUNT 0.06 0.24 0.00
PRECIP DURATION 2 5
PRECIP BEGIN 12 PM CONTINUING
PRECIP END CONTINUING 5 AM
MIXING HGT(FT-AGL/MSL)4330 6340
TRANSPORT WND (KTS) S 17 NW 21
VENT RATE (KT-FT) 88410 167570
DISPERSION VERY GOOD EXCELLENT
CWR 40 100 0
KBDI N/A N/A N/A
REMARKS...NONE.
MEZ108-182030-
INTERIOR DOWNEAST-
246 AM EDT SAT JUL 18 2026
TODAY TONIGHT SUN
CLOUD COVER PCLDY MCLDY MCLEAR
PRECIP TYPE TSTMS TSTMS NONE
CHANCE PRECIP (%) 30 100 0
CHANCE OF THUNDER (%) 21(LTD) 43(ELEV) 5
TEMP (24H TREND) 76 (0) 56 (+1) 77
RH % (24H TREND) 45 (+4) 100 (+21) 48
20FTWND-VAL/AM(MPH) LGT/VAR W 10 G25
20FTWND-RDG/PM(MPH) S 8 G21 S 11 G25 NW 11 G23
PRECIP AMOUNT 0.05 0.36 0.00
PRECIP DURATION 1 6
PRECIP BEGIN 1 PM CONTINUING
PRECIP END CONTINUING 5 AM
MIXING HGT(FT-AGL/MSL)3730 6850
TRANSPORT WND (KTS) S 14 NW 20
VENT RATE (KT-FT) 68030 149860
DISPERSION GOOD EXCELLENT
CWR 30 100 0
KBDI 201-300 201-300 201-300
REMARKS...NONE.
MEZ112-182030-
COASTAL DOWNEAST-
246 AM EDT SAT JUL 18 2026
TODAY TONIGHT SUN
CLOUD COVER PCLDY MCLDY MCLEAR
PRECIP TYPE TSTMS TSTMS NONE
CHANCE PRECIP (%) 20 100 0
CHANCE OF THUNDER (%) 21(LTD) 44(ELEV) 5
TEMP (24H TREND) 77 (-1) 55 (-1) 81
RH % (24H TREND) 47 (+8) 100 (+22) 40
20FTWND-VAL/AM(MPH) LGT/VAR W 9 G23
20FTWND-RDG/PM(MPH) S 7 G21 S 11 G26 NW 10 G23
PRECIP AMOUNT 0.03 0.41 0.00
PRECIP DURATION 0 6
PRECIP BEGIN 2 PM CONTINUING
PRECIP END CONTINUING 5 AM
MIXING HGT(FT-AGL/MSL)2370 7140
TRANSPORT WND (KTS) S 12 NW 18
VENT RATE (KT-FT) 56630 149710
DISPERSION GOOD EXCELLENT
CWR 20 100 0
KBDI 201-300 201-300 201-300
REMARKS...NONE.
MEZ113-182030-
BANGOR REGION-
246 AM EDT SAT JUL 18 2026
TODAY TONIGHT SUN
CLOUD COVER PCLDY MCLDY MCLEAR
PRECIP TYPE TSTMS TSTMS NONE
CHANCE PRECIP (%) 40 90 0
CHANCE OF THUNDER (%) 29(ELEV) 35(ELEV) 1
TEMP (24H TREND) 77 (0) 60 (+5) 76
RH % (24H TREND) 45 (+8) 100 (+19) 44
20FTWND-VAL/AM(MPH) LGT/VAR NW 13 G26
20FTWND-RDG/PM(MPH) S 9 G23 S 13 G27 NW 14 G26
PRECIP AMOUNT 0.06 0.11 0.00
PRECIP DURATION 2 4
PRECIP BEGIN 1 PM CONTINUING
PRECIP END CONTINUING 2 AM
MIXING HGT(FT-AGL/MSL)3900 6980
TRANSPORT WND (KTS) S 18 NW 22
VENT RATE (KT-FT) 76210 170040
DISPERSION GOOD EXCELLENT
CWR 50 50 0
KBDI 301-400 301-400 301-400
REMARKS...NONE.
MEZ114-182030-
EASTERN PENOBSCOT BAY COAST-
246 AM EDT SAT JUL 18 2026
TODAY TONIGHT SUN
CLOUD COVER PCLDY MCLDY MCLEAR
PRECIP TYPE TSTMS TSTMS NONE
CHANCE PRECIP (%) 40 90 0
CHANCE OF THUNDER (%) 27(ELEV) 36(ELEV) 1
TEMP (24H TREND) 79 (-1) 60 (+3) 83
RH % (24H TREND) 49 (+12) 100 (+22) 40
20FTWND-VAL/AM(MPH) LGT/VAR W 11 G25
20FTWND-RDG/PM(MPH) S 9 G25 S 14 G29 NW 12 G23
PRECIP AMOUNT 0.04 0.17 0.00
PRECIP DURATION 1 5
PRECIP BEGIN 2 PM CONTINUING
PRECIP END CONTINUING 2 AM
MIXING HGT(FT-AGL/MSL)2290 7450
TRANSPORT WND (KTS) S 14 NW 20
VENT RATE (KT-FT) 44750 176950
DISPERSION FAIR EXCELLENT
CWR 30 90 0
KBDI N/A N/A N/A
REMARKS...NONE.
FORECAST FOR DAYS 3 THROUGH 7
SUNDAY NIGHT
MOSTLY CLEAR. LOWS IN THE LOWER 50S. WEST WINDS
AROUND 15 MPH.
MONDAY
SUNNY. HIGHS IN THE MID 70S. WEST WINDS AROUND 10 MPH.
MONDAY NIGHT
PARTLY CLOUDY. LOWS IN THE MID 50S. SOUTHWEST
WINDS AROUND 5 MPH.
TUESDAY
PARTLY SUNNY. HIGHS IN THE UPPER 70S. SOUTH WINDS
AROUND 15 MPH.
TUESDAY NIGHT
MOSTLY CLOUDY WITH SHOWERS LIKELY. LOWS IN THE
MID 50S. SOUTHEAST WINDS AROUND 15 MPH.
WEDNESDAY
SHOWERS AND A CHANCE OF THUNDERSTORMS. HIGHS IN THE
LOWER 70S. SOUTH WINDS AROUND 10 MPH.
WEDNESDAY NIGHT
SHOWERS AND A CHANCE OF THUNDERSTORMS. LOWS IN
THE UPPER 50S. SOUTHWEST WINDS AROUND 10 MPH.
THURSDAY
PARTLY SUNNY WITH A CHANCE OF SHOWERS. HIGHS IN THE
MID 70S. SOUTHWEST WINDS AROUND 10 MPH.
THURSDAY NIGHT
PARTLY CLOUDY WITH A CHANCE OF SHOWERS. LOWS IN
THE MID 50S. SOUTHWEST WINDS AROUND 5 MPH.
FRIDAY
MOSTLY SUNNY. HIGHS IN THE UPPER 70S. SOUTHWEST WINDS
AROUND 5 MPH.
OUTLOOK 8 TO 14 DAYS
TEMPERATURES NEAR NORMAL. PRECIPITATION ABOVE NORMAL.
JS
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