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

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232
FNUS51 KGYX 171821
FWFGYX

Fire Weather Planning Forecast for Western Maine and New Hampshire
National Weather Service Gray ME
221 PM EDT Sun Aug 17 2025

.DISCUSSION...
Scattered showers and thunderstorms move through the area this
afternoon and evening. There is higher confidence in the Midcoast
area receiving wetting rains with lower confidence in the
remainder of Western Maine and New Hampshire. More high pressure
and dry weather is then expected through at least midweek with
limited opportunities for wetting rains.


MEZ104-180815-
Western Maine Mountains and Foothills-
Including the cities of Farmington, Rumford, Bethel, Eustis,
Jackman, and Carrabassett Valley
221 PM EDT Sun Aug 17 2025

                      Tonight      Mon          Mon Night    Tue

Cloud cover           Pcldy        Mclear       Pcldy        Pcldy
Precip type           Showers      None         None         None
Chance of Thunder (%) 15(LTD)      0(None)      0(None)      0(None)
Chance precip (%)     40           0            0            0
Temp (24h trend)      40 (-18)     71 (-9)      42           72
RH % (24h trend)      97 (+6)      32 (-19)     89           35
20ftWnd - AM(mph)                  N  9 G19                  LGT/VAR
20ftWnd - PM(mph)     N 10 G25     N  8 G17     N  5         S  5
Precip amount         0.05         0.00         0.00         0.00
Precip duration       1
Precip begin          6 PM
Precip end            9 PM
Mixing hgt(ft-AGL)                 5200(UNST)                5670(UNST)
Transport wnd (mph)                N 12                      SW  6
Vent rate (kt-ft)                  52000                     28350
CWR                   70           0            0            0
KBDI                  401-500      401-500      401-500      401-500

Remarks...None.

$$

MEZ107-180815-
Kennebec River Valley-
Including the cities of Augusta, Waterville, Skowhegan, Auburn,
Lewiston, Liberty, and Livermore
221 PM EDT Sun Aug 17 2025

                      Tonight      Mon          Mon Night    Tue

Cloud cover           Pcldy        Mclear       Pcldy        Pcldy
Precip type           Tstms        None         None         None
Chance of Thunder (%) 26(ELEV)     0(None)      0(None)      0(None)
Chance precip (%)     60           0            0            0
Temp (24h trend)      47 (-12)     73 (-15)     46           74
RH % (24h trend)      99 (0)       35 (-11)     85           37
20ftWnd - AM(mph)                  N 10 G19                  LGT/VAR
20ftWnd - PM(mph)     N 10 G21     N  9 G19     NE  5        S  5
Precip amount         0.12         0.00         0.00         0.00
Precip duration       2
Precip begin          6 PM
Precip end            11 PM
Mixing hgt(ft-AGL)                 5330(UNST)                5960(UNST)
Transport wnd (mph)                N 15                      SW  5
Vent rate (kt-ft)                  69290                     23840
CWR                   90           0            0            0
KBDI                  401-500      401-500      401-500      401-500

Remarks...None.

$$

MEZ109-180815-
Lakes Region-
Including the cities of Sanford, North Windham, Gray,
New Glouceser, Fryeburg, South Paris, and Hiram
221 PM EDT Sun Aug 17 2025

                      Tonight      Mon          Mon Night    Tue

Cloud cover           Pcldy        Mclear       Pcldy        Pcldy
Precip type           Tstms        None         None         None
Chance of Thunder (%) 33(ELEV)     0(None)      0(None)      0(None)
Chance precip (%)     40           0            0            0
Temp (24h trend)      49 (-10)     75 (-15)     44           75
RH % (24h trend)      93 (-7)      34 (-9)      97           40
20ftWnd - AM(mph)                  N  9 G19                  LGT/VAR
20ftWnd - PM(mph)     N 10 G21     NE  6 G17    E  5         SE  8 G17
Precip amount         0.04         0.00         0.00         0.00
Precip duration       1
Precip begin          6 PM
Precip end            10 PM
Mixing hgt(ft-AGL)                 5450(UNST)                5930(UNST)
Transport wnd (mph)                N  9                      S  6
Vent rate (kt-ft)                  43600                     29650
CWR                   20           0            0            0
KBDI                  501-600      501-600      501-600      501-600

Remarks...None.

$$

MEZ110-180815-
Beaches and Casco Bay-
Including the cities of Kittery, York, Kennebunk, Scarborough,
Portland, Yarmouth, Freeport, Brunswick, Topsham,
Boothbay Harbor, and Damariscotta
221 PM EDT Sun Aug 17 2025

                      Tonight      Mon          Mon Night    Tue

Cloud cover           Pcldy        Mclear       Pcldy        Pcldy
Precip type           Tstms        None         None         None
Chance of Thunder (%) 33(ELEV)     0(None)      0(None)      0(None)
Chance precip (%)     50           0            0            0
Temp (24h trend)      51 (-10)     75 (-10)     47           75
RH % (24h trend)      94 (-6)      36 (-24)     92           42
20ftWnd - AM(mph)                  N 10 G21                  LGT/VAR
20ftWnd - PM(mph)     N 10 G21     NE  9 G19    E  5         SE  8
Precip amount         0.08         0.00         0.00         0.00
Precip duration       2
Precip begin          6 PM
Precip end            11 PM
Mixing hgt(ft-AGL)                 5190(UNST)                4950(UNST)
Transport wnd (mph)                N 12                      S  7
Vent rate (kt-ft)                  51900                     29700
CWR                   60           0            0            0
KBDI                  401-500      401-500      401-500      401-500

Remarks...None.

$$

MEZ111-180815-
Mid-Coast-
Including the cities of Waldoboro, Rockland, Camden,
Lincolnville, Belfast, Searsport, Islesboro, and Vinalhaven
221 PM EDT Sun Aug 17 2025

                      Tonight      Mon          Mon Night    Tue

Cloud cover           Pcldy        Mclear       Pcldy        Pcldy
Precip type           Tstms        None         None         None
Chance of Thunder (%) 30(ELEV)     0(None)      0(None)      0(None)
Chance precip (%)     70           0            0            0
Temp (24h trend)      49 (-11)     74 (-8)      46           75
RH % (24h trend)      100 (+2)     38 (-29)     91           40
20ftWnd - AM(mph)                  N 10 G23                  LGT/VAR
20ftWnd - PM(mph)     N 10 G21     N  9 G19     LGT/VAR      S  5
Precip amount         0.20         0.00         0.00         0.00
Precip duration       2
Precip begin          6 PM
Precip end            11 PM
Mixing hgt(ft-AGL)                 5280(UNST)                5660(UNST)
Transport wnd (mph)                N 15                      S  6
Vent rate (kt-ft)                  68640                     28300
CWR                   100          0            0            0
KBDI                  401-500      401-500      401-500      401-500

Remarks...None.

$$

NHZ021-180815-
Coos County-
Including the cities of Errol, Millsfield, Colebrook, Berlin,
Dummer, Milan, York Pond, and Lancaster
221 PM EDT Sun Aug 17 2025

                      Tonight      Mon          Mon Night    Tue

Cloud cover           Pcldy        Mclear       Pcldy        Pcldy
Precip type           Tstms        None         None         None
Chance of Thunder (%) 23(LTD)      0(None)      0(None)      0(None)
Chance precip (%)     40           0            0            0
Temp (24h trend)      40 (-15)     69 (-10)     40           72
RH % (24h trend)      100 (+4)     36 (-19)     96           38
20ftWnd - AM(mph)                  N  6 G20                  LGT/VAR
20ftWnd - PM(mph)     N 11 G28     N  6         N  5         S  5
Precip amount         0.04         0.00         0.00         0.00
Precip duration       1
Precip begin          6 PM
Precip end            8 PM
Mixing hgt(ft-AGL)                 4590(UNST)                5480(UNST)
Transport wnd (mph)                N  9                      SW  6
Vent rate (kt-ft)                  36720                     27400
CWR                   40           0            0            0
KBDI                  301-400      301-400      301-400      301-400

Remarks...None.

$$

NHZ022-180815-
White Mountians-
Including the cities of Lincoln, Littleton, Thornton,
Waterville Valley, Woodstock, Jackson, North Conway, Conway,
and Crawford Notch
221 PM EDT Sun Aug 17 2025

                      Tonight      Mon          Mon Night    Tue

Cloud cover           Pcldy        Mclear       Pcldy        Pcldy
Precip type           Tstms        None         None         None
Chance of Thunder (%) 24(LTD)      0(None)      0(None)      0(None)
Chance precip (%)     30           0            0            0
Temp (24h trend)      43 (-15)     73 (-12)     43           74
RH % (24h trend)      100 (+2)     35 (-11)     94           40
20ftWnd - AM(mph)                  N  6 G19                  LGT/VAR
20ftWnd - PM(mph)     N 12 G29     N  5         LGT/VAR      S  5
Precip amount         0.02         0.00         0.00         0.00
Precip duration       1
Precip begin          6 PM
Precip end            9 PM
Mixing hgt(ft-AGL)                 5050(UNST)                5870(UNST)
Transport wnd (mph)                N  8                      S  7
Vent rate (kt-ft)                  35350                     35220
CWR                   10           0            0            0
KBDI                  401-500      401-500      401-500      401-500

Remarks...None.

$$

NHZ023-180815-
Central Lakes-
Including the cities of Lebanon, Plymouth, Laconia, Wolfeboro,
Alton, and Ossipee
221 PM EDT Sun Aug 17 2025

                      Tonight      Mon          Mon Night    Tue

Cloud cover           Pcldy        Mclear       Pcldy        Pcldy
Precip type           Tstms        None         None         None
Chance of Thunder (%) 25(ELEV)     0(None)      0(None)      0(None)
Chance precip (%)     30           0            0            0
Temp (24h trend)      48 (-15)     75 (-13)     46           75
RH % (24h trend)      94 (-5)      35 (-9)      96           41
20ftWnd - AM(mph)                  N  8 G17                  LGT/VAR
20ftWnd - PM(mph)     N 11 G23     N  5         LGT/VAR      S  6
Precip amount         0.03         0.00         0.00         0.00
Precip duration       1
Precip begin          6 PM
Precip end            10 PM
Mixing hgt(ft-AGL)                 5200(UNST)                6110(UNST)
Transport wnd (mph)                N  7                      S  8
Vent rate (kt-ft)                  31200                     42770
CWR                   10           0            0            0
KBDI                  501-600      501-600      501-600      501-600

Remarks...None.

$$

NHZ024-180815-
Lake Sunapee and Monadnocks-
Including the cities of Claremont, Keene, and Jaffrey
221 PM EDT Sun Aug 17 2025

                      Tonight      Mon          Mon Night    Tue

Cloud cover           Pcldy        Mclear       Mclear       Pcldy
Precip type           Tstms        None         None         None
Chance of Thunder (%) 19(LTD)      0(None)      0(None)      0(None)
Chance precip (%)     20           0            0            0
Temp (24h trend)      49 (-15)     75 (-13)     46           76
RH % (24h trend)      93 (-7)      37 (-8)      99           40
20ftWnd - AM(mph)                  N  6                      LGT/VAR
20ftWnd - PM(mph)     N 10 G21     NE  5        LGT/VAR      SE  5
Precip amount         0.01         0.00         0.00         0.00
Precip duration       0
Precip begin          6 PM
Precip end            10 PM
Mixing hgt(ft-AGL)                 5030(UNST)                6020(UNST)
Transport wnd (mph)                N  6                      S  8
Vent rate (kt-ft)                  25150                     42140
CWR                                0            0            0
KBDI                  401-500      401-500      401-500      401-500

Remarks...None.

$$

NHZ025-180815-
Merrimack Valley-
Including the cities of Manchester, Nashua, Weare, and Derry
221 PM EDT Sun Aug 17 2025

                      Tonight      Mon          Mon Night    Tue

Cloud cover           Pcldy        Mclear       Mclear       Pcldy
Precip type           Tstms        None         None         None
Chance of Thunder (%) 22(LTD)      0(None)      0(None)      0(None)
Chance precip (%)     30           0            0            0
Temp (24h trend)      53 (-12)     76 (-15)     47           76
RH % (24h trend)      90 (-9)      37 (-5)      94           41
20ftWnd - AM(mph)                  NE  6                     LGT/VAR
20ftWnd - PM(mph)     N  9 G19     NE  5        LGT/VAR      SE  6
Precip amount         0.02         0.00         0.00         0.00
Precip duration       1
Precip begin          6 PM
Precip end            2 AM
Mixing hgt(ft-AGL)                 5360(UNST)                5870(UNST)
Transport wnd (mph)                N  6                      SE  6
Vent rate (kt-ft)                  26800                     29350
CWR                                0            0            0
KBDI                  401-500      401-500      401-500      401-500

Remarks...None.

$$

NHZ026-180815-
Seacoast-
Including the cities of Portsmouth, Dover, Hampton, and Exeter
221 PM EDT Sun Aug 17 2025

                      Tonight      Mon          Mon Night    Tue

Cloud cover           Pcldy        Mclear       Mclear       Pcldy
Precip type           Tstms        None         None         None
Chance of Thunder (%) 21(LTD)      0(None)      0(None)      0(None)
Chance precip (%)     30           0            0            0
Temp (24h trend)      55 (-11)     75 (-17)     49           74
RH % (24h trend)      90 (-7)      36 (-8)      93           41
20ftWnd - AM(mph)                  NE  9 G19                 LGT/VAR
20ftWnd - PM(mph)     N  8 G17     E  8 G17     LGT/VAR      SE  6
Precip amount         0.02         0.00         0.00         0.00
Precip duration       2
Precip begin          6 PM
Precip end            12 AM
Mixing hgt(ft-AGL)                 4960(UNST)                5180(UNST)
Transport wnd (mph)                NE  9                     SE  6
Vent rate (kt-ft)                  39680                     25900
CWR                                0            0            0
KBDI                  501-600      501-600      501-600      501-600

Remarks...None.

$$

.FORECAST FOR DAYS 3 THROUGH 7...
.TUESDAY NIGHT...Mostly cloudy. Lows in the lower 50s. South
winds around 5 mph.
.WEDNESDAY...Mostly cloudy. Highs around 70. South winds around
5 mph. Daytime humidity values moderate.
.WEDNESDAY NIGHT...Mostly cloudy with a chance of showers. Lows
in the lower 50s. Southeast winds around 5 mph.
.THURSDAY...Mostly sunny. Highs in the mid 70s. Northeast winds
around 5 mph. Daytime humidity values moderate.
.THURSDAY NIGHT...Mostly clear. Lows in the lower 50s. North
winds around 5 mph.
.FRIDAY...Sunny. Highs around 80. North winds 5 to 10 mph.
Daytime humidity values moderate.
.FRIDAY NIGHT...Mostly clear. Lows in the mid 50s. West winds
around 5 mph.
.SATURDAY...Sunny. Highs in the lower 80s. Southwest winds 5 to
10 mph. Daytime humidity values moderate.
.SATURDAY NIGHT...Partly cloudy. Lows in the lower 60s. South
winds 5 to 10 mph.
.SUNDAY...Partly sunny with a chance of showers. Highs in the
upper 70s. Southwest winds 5 to 10 mph. Daytime humidity values
high.

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

$$