Routine Fire Wx Fcst (With/Without 6-10 Day Outlook)
Issued by NWS Caribou, ME

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546
FNUS51 KCAR 191844
FWFCAR

Fire Weather Planning Forecast for Northern and Eastern Maine
National Weather Service Caribou ME
243 PM EDT Sat Sep 19 2026

.DISCUSSION...
Winds will continue to slowly diminish into Sunday with the
passage of high pressure. Min RHs between 35 and 45 percent are
expected today, 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. Brief wind gusts up to 20kts are
expected area wide Monday afternoon. Otherwise, min RHs return to
between 35 and 45 percent through midweek with another chance of
rain towards the weekend.


MEZ101-200800-
Quebec-Maine Borderlands-
243 PM EDT Sat Sep 19 2026

                      Tonight      Sun          Sun Night    Mon

Cloud cover           Pcldy        Mcldy        Mcldy        Pcldy
Precip type           None         Rain         Rain         None
Chance precip (%)     0            60           50           0
Chance of Thunder (%) 0            9            0(None)      0
Temp (24h trend)      34 (0)       57 (0)       35           57
RH % (24h trend)      90 (-4)      56 (+16)     100          48
20ftWnd-val/AM(mph)                Lgt/Var                   Lgt/Var
20ftWnd-rdg/PM(mph)   Lgt/Var      Lgt/Var      Lgt/Var      NW  7 G17
Precip amount         0.00         0.04         0.03         0.00
Precip duration                    1            1
Precip begin                       2 PM         Continuing
Precip end                         Continuing   1 AM
Mixing hgt(ft-AGL/MSL)             3620                      5540
Transport wnd (kts)                S 12                      N 15
Vent rate (kt-ft)                  56840                     87310
Dispersion                         Good                      Very Good
CWR                   0            30                        0
KBDI                  201-300      201-300      201-300      201-300

Remarks...None.

$$

MEZ102-200800-
North Woods and St. John Valley-
243 PM EDT Sat Sep 19 2026

                      Tonight      Sun          Sun Night    Mon

Cloud cover           Pcldy        Mcldy        Mcldy        Pcldy
Precip type           None         Rain         Rain         None
Chance precip (%)     0            50           40           0
Chance of Thunder (%) 0            9            1            0(None)
Temp (24h trend)      35 (-2)      57 (0)       36           58
RH % (24h trend)      88 (+2)      58 (+17)     100          49
20ftWnd-val/AM(mph)                Lgt/Var                   Lgt/Var
20ftWnd-rdg/PM(mph)   Lgt/Var      S  5         Lgt/Var      NW  7 G18
Precip amount         0.00         0.03         0.02         0.00
Precip duration                    1            1
Precip begin                       2 PM         Continuing
Precip end                         Continuing   3 AM
Mixing hgt(ft-AGL/MSL)             3620                      5620
Transport wnd (kts)                S 15                      NW 16
Vent rate (kt-ft)                  72390                     94600
Dispersion                         Good                      Very Good
CWR                   0            30                        0
KBDI                  201-300      201-300      201-300      201-300

Remarks...None.

$$

MEZ103-200800-
Eastern Aroostook-
243 PM EDT Sat Sep 19 2026

                      Tonight      Sun          Sun Night    Mon

Cloud cover           Pcldy        Mcldy        Mcldy        Pcldy
Precip type           None         Rain         Rain         None
Chance precip (%)     0            20           20           0
Chance of Thunder (%) 0            6            2            0(None)
Temp (24h trend)      36 (-4)      58 (+1)      38           60
RH % (24h trend)      87 (+4)      57 (+15)     100          50
20ftWnd-val/AM(mph)                SE  5 G17                 NW  5 G20
20ftWnd-rdg/PM(mph)   Lgt/Var      S  8 G18     Lgt/Var      NW  9 G21
Precip amount         0.00         0.01         0.01         0.00
Precip duration                    1            1
Precip begin                       3 PM         Continuing
Precip end                         Continuing   4 AM
Mixing hgt(ft-AGL/MSL)             4770                      5800
Transport wnd (kts)                S 17                      NW 16
Vent rate (kt-ft)                  88450                     100100
Dispersion                         Very Good                 Very Good
CWR                   0            10                        0
KBDI                  301-400      301-400      301-400      301-400

Remarks...None.

$$

MEZ105-200800-
Central Highlands-
243 PM EDT Sat Sep 19 2026

                      Tonight      Sun          Sun Night    Mon

Cloud cover           Pcldy        Mcldy        Pcldy        Pcldy
Precip type           None         Rain         Rain         None
Chance precip (%)     0            20           20           0
Chance of Thunder (%) 0            3            0(None)      0(None)
Temp (24h trend)      39 (-3)      58 (-2)      41           61
RH % (24h trend)      86 (+6)      58 (+18)     100          47
20ftWnd-val/AM(mph)                Lgt/Var                   NW  6 G17
20ftWnd-rdg/PM(mph)   Lgt/Var      S  7 G17     Lgt/Var      N  8 G18
Precip amount         0.00         0.02         0.02         0.00
Precip duration                    1            1
Precip begin                       1 PM         Continuing
Precip end                         Continuing   2 AM
Mixing hgt(ft-AGL/MSL)             4430                      5590
Transport wnd (kts)                S 17                      N 16
Vent rate (kt-ft)                  87500                     100100
Dispersion                         Very Good                 Very Good
CWR                   0            20                        0
KBDI                  201-300      201-300      201-300      201-300

Remarks...None.

$$

MEZ106-200800-
Central Maine North of Bangor-
243 PM EDT Sat Sep 19 2026

                      Tonight      Sun          Sun Night    Mon

Cloud cover           Pcldy        Mcldy        Pcldy        Mclear
Precip type           None         Rain         Rain         None
Chance precip (%)     0            10           20           0
Chance of Thunder (%) 0            0(None)      1            0(None)
Temp (24h trend)      39 (-5)      59 (-2)      42           63
RH % (24h trend)      86 (+7)      52 (+13)     100          49
20ftWnd-val/AM(mph)                Lgt/Var                   Lgt/Var
20ftWnd-rdg/PM(mph)   Lgt/Var      S  7 G17     Lgt/Var      N  8 G17
Precip amount         0.00         0.00         0.01         0.00
Precip duration                    0            1
Precip begin                       5 PM         Continuing
Precip end                         Continuing   5 AM
Mixing hgt(ft-AGL/MSL)             5200                      5770
Transport wnd (kts)                S 16                      N 14
Vent rate (kt-ft)                  90200                     98390
Dispersion                         Very Good                 Very Good
CWR                   0                                      0
KBDI                  301-400      301-400      301-400      301-400

Remarks...None.

$$

MEZ108-200800-
Interior Downeast-
243 PM EDT Sat Sep 19 2026

                      Tonight      Sun          Sun Night    Mon

Cloud cover           Mclear       Mcldy        Mcldy        Mclear
Precip type           None         None         Rain         None
Chance precip (%)     0            0            30           0
Chance of Thunder (%) 0            0(None)      1            0(None)
Temp (24h trend)      42 (-2)      59 (-3)      46           64
RH % (24h trend)      90 (+9)      61 (+18)     100          54
20ftWnd-val/AM(mph)                Lgt/Var                   Lgt/Var
20ftWnd-rdg/PM(mph)   Lgt/Var      S  6 G17     Lgt/Var      N  8 G18
Precip amount         0.00         0.00         0.01         0.00
Precip duration                                 2
Precip begin                                    6 PM
Precip end                                      6 AM
Mixing hgt(ft-AGL/MSL)             4240                      5520
Transport wnd (kts)                S 14                      N 14
Vent rate (kt-ft)                  69540                     83070
Dispersion                         Good                      Very Good
CWR                   0            0            10           0
KBDI                  201-300      201-300      201-300      201-300

Remarks...None.

$$

MEZ112-200800-
Coastal Downeast-
243 PM EDT Sat Sep 19 2026

                      Tonight      Sun          Sun Night    Mon

Cloud cover           Mclear       Mcldy        Mcldy        Mclear
Precip type           None         None         Rain         None
Chance precip (%)     0            0            40           0
Chance of Thunder (%) 0            0(None)      1            0(None)
Temp (24h trend)      43 (-2)      60 (-1)      47           66
RH % (24h trend)      91 (+11)     60 (+15)     100          50
20ftWnd-val/AM(mph)                Lgt/Var                   N  5 G17
20ftWnd-rdg/PM(mph)   Lgt/Var      S  6 G17     Lgt/Var      N  7 G17
Precip amount         0.00         0.00         0.03         0.00
Precip duration                                 2
Precip begin                                    6 PM
Precip end                                      6 AM
Mixing hgt(ft-AGL/MSL)             3660                      5510
Transport wnd (kts)                S 13                      N 13
Vent rate (kt-ft)                  56510                     77300
Dispersion                         Good                      Good
CWR                   0            0            10           0
KBDI                  201-300      201-300      201-300      201-300

Remarks...None.

$$

MEZ113-200800-
Bangor Region-
243 PM EDT Sat Sep 19 2026

                      Tonight      Sun          Sun Night    Mon

Cloud cover           Pcldy        Mcldy        Mcldy        Mclear
Precip type           None         Rain         Rain         None
Chance precip (%)     0            20           40           0
Chance of Thunder (%) 0            0(None)      1            0(None)
Temp (24h trend)      41 (-2)      60 (-3)      44           65
RH % (24h trend)      93 (+9)      62 (+23)     100          53
20ftWnd-val/AM(mph)                Lgt/Var                   N  5 G18
20ftWnd-rdg/PM(mph)   Lgt/Var      S  8 G18     Lgt/Var      N  9 G19
Precip amount         0.00         0.01         0.02         0.00
Precip duration                    1            2
Precip begin                       2 PM         Continuing
Precip end                         Continuing   4 AM
Mixing hgt(ft-AGL/MSL)             4590                      5850
Transport wnd (kts)                S 16                      N 14
Vent rate (kt-ft)                  76640                     87220
Dispersion                         Good                      Very Good
CWR                   0            10           10           0
KBDI                  401-500      401-500      401-500      401-500

Remarks...None.

$$

MEZ114-200800-
Eastern Penobscot Bay Coast-
243 PM EDT Sat Sep 19 2026

                      Tonight      Sun          Sun Night    Mon

Cloud cover           Mclear       Mcldy        Mcldy        Mclear
Precip type           None         Rain         Rain         None
Chance precip (%)     0            20           50           0
Chance of Thunder (%) 0            0(None)      1            0(None)
Temp (24h trend)      43 (-1)      62 (-1)      46           66
RH % (24h trend)      97 (+14)     61 (+17)     100          53
20ftWnd-val/AM(mph)                Lgt/Var                   N  6 G18
20ftWnd-rdg/PM(mph)   Lgt/Var      S  7 G18     Lgt/Var      N  8 G18
Precip amount         0.00         0.01         0.06         0.00
Precip duration                    0            2
Precip begin                       4 PM         Continuing
Precip end                         Continuing   5 AM
Mixing hgt(ft-AGL/MSL)             4070                      5520
Transport wnd (kts)                S 14                      N 13
Vent rate (kt-ft)                  65040                     85770
Dispersion                         Good                      Very Good
CWR                   0            10           20           0
KBDI                  401-500      401-500      401-500      401-500

Remarks...None.

$$

.FORECAST FOR DAYS 3 THROUGH 7...
.MONDAY NIGHT...Partly cloudy. Lows in the upper 30s. North winds
around 10 mph.
.TUESDAY...Sunny. Highs in the lower 60s. 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. Light
winds.
.THURSDAY...Sunny. Highs in the mid 60s. Northeast winds around
5 mph.
.THURSDAY NIGHT...Mostly cloudy. Lows in the upper 30s. Northeast
winds around 5 mph.
.FRIDAY...Partly sunny. Highs in the mid 60s. Northeast winds
around 10 mph.
.FRIDAY NIGHT...Mostly cloudy with a chance of showers. Lows in
the lower 40s. Northeast winds around 15 mph.
.SATURDAY...Partly sunny with a chance of showers. Highs in the
mid 60s. Northeast winds around 15 mph.

.OUTLOOK 8 TO 14 DAYS...
Temperatures above normal.  Precipitation below normal.

$$