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

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469
FNUS51 KGYX 040625
FWFGYX

Fire Weather Planning Forecast for Western Maine and New Hampshire
National Weather Service Gray ME
225 AM EDT Thu Sep 4 2025

.DISCUSSION...
Southerly winds will increase today with gusts up to 25 mph this
afternoon. Mixing will deepen the boundary layer and help drop dew
points with min RH around 35 percent this afternoon. A decaying
line of showers will cross west to east tonight with some wetting
rains likely, especially across the White Mountains. The next
chance of wetting rains arrives Friday night and Saturday where
there is better opportunity for heavier showers and thunderstorms.
Drier conditions return Sunday into early next week.


MEZ104-042015-
Western Maine Mountains and Foothills-
Including the cities of Farmington, Rumford, Bethel, Eustis,
Jackman, and Carrabassett Valley
225 AM EDT Thu Sep 4 2025

                      Today        Tonight      Fri

Cloud cover           Mclear       Pcldy        Pcldy
Precip type           None         Showers      Showers
Chance of Thunder (%) 0(None)      11           13
Chance precip (%)     0            70           50
Temp (24h trend)      77 (+3)      51 (+2)      74
RH % (24h trend)      37 (-11)     100 (+2)     63
20ftWnd - AM(mph)     S  8 G18                  S  8 G20
20ftWnd - PM(mph)     S 11 G25     S 11 G25     S 10 G21
Precip amount         0.00         0.10         0.08
Precip duration                    2            2
Precip begin                       12 AM        Continuing
Precip end                         Continuing   Continuing
Mixing hgt(ft-AGL)    6790(UNST)                3020(UNST)
Transport wnd (mph)   S 16                      S 16
Vent rate (kt-ft)     95060                     42280
CWR                   0            40           40
KBDI                  401-500      401-500      401-500

Remarks...None.

$$

MEZ107-042015-
Kennebec River Valley-
Including the cities of Augusta, Waterville, Skowhegan, Auburn,
Lewiston, Liberty, and Livermore
225 AM EDT Thu Sep 4 2025

                      Today        Tonight      Fri

Cloud cover           Pcldy        Pcldy        Mcldy
Precip type           None         None         Showers
Chance of Thunder (%) 0(None)      13           13
Chance precip (%)     0            0            50
Temp (24h trend)      77 (0)       54 (+2)      76
RH % (24h trend)      44 (-12)     100 (0)      72
20ftWnd - AM(mph)     S  5                      S 10 G19
20ftWnd - PM(mph)     S 10 G23     S 10 G20     S 12 G25
Precip amount         0.00         0.00         0.04
Precip duration                                 2
Precip begin                                    6 AM
Precip end                                      6 PM
Mixing hgt(ft-AGL)    6500(UNST)                3030(UNST)
Transport wnd (mph)   S 14                      S 17
Vent rate (kt-ft)     78000                     45450
CWR                   0            0            20
KBDI                  501-600      501-600      501-600

Remarks...None.

$$

MEZ109-042015-
Lakes Region-
Including the cities of Sanford, North Windham, Gray,
New Glouceser, Fryeburg, South Paris, and Hiram
225 AM EDT Thu Sep 4 2025

                      Today        Tonight      Fri

Cloud cover           Mclear       Pcldy        Pcldy
Precip type           None         Showers      Showers
Chance of Thunder (%) 0(None)      11           12
Chance precip (%)     0            60           40
Temp (24h trend)      79 (+1)      54 (+4)      79
RH % (24h trend)      38 (-9)      100 (0)      66
20ftWnd - AM(mph)     S  5                      S  9 G19
20ftWnd - PM(mph)     SE 12 G23    SE 11 G21    S 11 G24
Precip amount         0.00         0.07         0.05
Precip duration                    1            2
Precip begin                       12 AM        Continuing
Precip end                         Continuing   Continuing
Mixing hgt(ft-AGL)    7110(UNST)                3100(UNST)
Transport wnd (mph)   S 14                      S 15
Vent rate (kt-ft)     85320                     40300
CWR                   0            30           30
KBDI                  501-600      501-600      501-600

Remarks...None.

$$

MEZ110-042015-
Beaches and Casco Bay-
Including the cities of Kittery, York, Kennebunk, Scarborough,
Portland, Yarmouth, Freeport, Brunswick, Topsham,
Boothbay Harbor, and Damariscotta
225 AM EDT Thu Sep 4 2025

                      Today        Tonight      Fri

Cloud cover           Mclear       Pcldy        Pcldy
Precip type           None         None         Showers
Chance of Thunder (%) 0(None)      11           11
Chance precip (%)     0            0            40
Temp (24h trend)      77 (+4)      56 (+3)      78
RH % (24h trend)      49 (-13)     100 (0)      69
20ftWnd - AM(mph)     S  6                      S 11 G23
20ftWnd - PM(mph)     S 11 G23     S 10 G20     S 13 G25
Precip amount         0.00         0.00         0.04
Precip duration                                 1
Precip begin                                    6 AM
Precip end                                      4 PM
Mixing hgt(ft-AGL)    3510(UNST)                2390(MRGL)
Transport wnd (mph)   S 13                      S 15
Vent rate (kt-ft)     38610                     31070
CWR                   0            0            30
KBDI                  501-600      501-600      501-600

Remarks...None.

$$

MEZ111-042015-
Mid-Coast-
Including the cities of Waldoboro, Rockland, Camden,
Lincolnville, Belfast, Searsport, Islesboro, and Vinalhaven
225 AM EDT Thu Sep 4 2025

                      Today        Tonight      Fri

Cloud cover           Pcldy        Pcldy        Pcldy
Precip type           None         None         Showers
Chance of Thunder (%) 0(None)      7            8
Chance precip (%)     0            0            30
Temp (24h trend)      74 (+2)      55 (+2)      75
RH % (24h trend)      55 (-16)     100 (0)      76
20ftWnd - AM(mph)     S  6                      S 10 G21
20ftWnd - PM(mph)     S  9 G19     S  8 G17     S 12 G25
Precip amount         0.00         0.00         0.01
Precip duration                                 1
Precip begin                                    6 AM
Precip end                                      3 PM
Mixing hgt(ft-AGL)    3080(UNST)                2540(MRGL)
Transport wnd (mph)   S 13                      S 17
Vent rate (kt-ft)     33880                     38100
CWR                   0            0
KBDI                  401-500      401-500      401-500

Remarks...None.

$$

NHZ021-042015-
Coos County-
Including the cities of Errol, Millsfield, Colebrook, Berlin,
Dummer, Milan, York Pond, and Lancaster
225 AM EDT Thu Sep 4 2025

                      Today        Tonight      Fri

Cloud cover           Mclear       Pcldy        Pcldy
Precip type           None         Showers      Showers
Chance of Thunder (%) 0(None)      11           13
Chance precip (%)     0            80           40
Temp (24h trend)      78 (+5)      51 (+3)      75
RH % (24h trend)      36 (-11)     100 (+6)     60
20ftWnd - AM(mph)     S  8 G20                  S  8 G23
20ftWnd - PM(mph)     S 11 G26     SE 12 G28    S 10 G24
Precip amount         0.00         0.13         0.09
Precip duration                    3            2
Precip begin                       11 PM        Continuing
Precip end                         Continuing   Continuing
Mixing hgt(ft-AGL)    7150(UNST)                3830(UNST)
Transport wnd (mph)   S 17                      S 18
Vent rate (kt-ft)     107250                    61280
CWR                   0            60           60
KBDI                  401-500      401-500      401-500

Remarks...None.

$$

NHZ022-042015-
White Mountians-
Including the cities of Lincoln, Littleton, Thornton,
Waterville Valley, Woodstock, Jackson, North Conway, Conway,
and Crawford Notch
225 AM EDT Thu Sep 4 2025

                      Today        Tonight      Fri

Cloud cover           Mclear       Pcldy        Pcldy
Precip type           None         Showers      Tstms
Chance of Thunder (%) 1            12           15(LTD)
Chance precip (%)     0            80           40
Temp (24h trend)      79 (+3)      52 (+2)      77
RH % (24h trend)      36 (-7)      100 (+7)     63
20ftWnd - AM(mph)     S  6 G20                  S  8 G23
20ftWnd - PM(mph)     S 10 G25     SE 10 G26    S  9 G21
Precip amount         0.00         0.17         0.12
Precip duration                    4            2
Precip begin                       11 PM        Continuing
Precip end                         Continuing   Continuing
Mixing hgt(ft-AGL)    7370(UNST)                3670(UNST)
Transport wnd (mph)   S 16                      S 16
Vent rate (kt-ft)     103180                    51380
CWR                   0            80           80
KBDI                  501-600      501-600      501-600

Remarks...None.

$$

NHZ023-042015-
Central Lakes-
Including the cities of Lebanon, Plymouth, Laconia, Wolfeboro,
Alton, and Ossipee
225 AM EDT Thu Sep 4 2025

                      Today        Tonight      Fri

Cloud cover           Mclear       Pcldy        Pcldy
Precip type           None         Showers      Showers
Chance of Thunder (%) 1            11           14
Chance precip (%)     0            70           30
Temp (24h trend)      79 (0)       55 (+4)      79
RH % (24h trend)      35 (-5)      100 (+4)     60
20ftWnd - AM(mph)     S  5                      S  8 G17
20ftWnd - PM(mph)     S 10 G19     SE  9 G20    S 10 G19
Precip amount         0.00         0.10         0.06
Precip duration                    3            1
Precip begin                       11 PM        Continuing
Precip end                         Continuing   Continuing
Mixing hgt(ft-AGL)    7410(UNST)                4210(UNST)
Transport wnd (mph)   S 15                      S 17
Vent rate (kt-ft)     96330                     63150
CWR                   0            30           30
KBDI                  501-600      501-600      501-600

Remarks...None.

$$

NHZ024-042015-
Lake Sunapee and Monadnocks-
Including the cities of Claremont, Keene, and Jaffrey
225 AM EDT Thu Sep 4 2025

                      Today        Tonight      Fri

Cloud cover           Mclear       Pcldy        Pcldy
Precip type           None         Showers      Showers
Chance of Thunder (%) 1            11           14
Chance precip (%)     0            70           30
Temp (24h trend)      79 (+1)      55 (+4)      79
RH % (24h trend)      37 (-3)      100 (+2)     59
20ftWnd - AM(mph)     S  5                      S  6
20ftWnd - PM(mph)     S  9 G19     S  9 G19     S 10 G19
Precip amount         0.00         0.10         0.05
Precip duration                    3            1
Precip begin                       11 PM        Continuing
Precip end                         Continuing   Continuing
Mixing hgt(ft-AGL)    7020(UNST)                4390(UNST)
Transport wnd (mph)   S 15                      S 20
Vent rate (kt-ft)     91260                     74630
CWR                   0            40           40
KBDI                  501-600      501-600      501-600

Remarks...None.

$$

NHZ025-042015-
Merrimack Valley-
Including the cities of Manchester, Nashua, Weare, and Derry
225 AM EDT Thu Sep 4 2025

                      Today        Tonight      Fri

Cloud cover           Clear        Pcldy        Pcldy
Precip type           None         Showers      Showers
Chance of Thunder (%) 0(None)      9            12
Chance precip (%)     0            50           30
Temp (24h trend)      81 (0)       57 (+5)      83
RH % (24h trend)      35 (-4)      100 (+1)     57
20ftWnd - AM(mph)     S  5                      S  8
20ftWnd - PM(mph)     S 10 G19     S  9 G18     S 10 G19
Precip amount         0.00         0.06         0.04
Precip duration                    1            1
Precip begin                       11 PM        Continuing
Precip end                         Continuing   6 PM
Mixing hgt(ft-AGL)    7260(UNST)                4490(UNST)
Transport wnd (mph)   S 13                      S 18
Vent rate (kt-ft)     79860                     71840
CWR                   0            30           30
KBDI                  501-600      501-600      501-600

Remarks...None.

$$

NHZ026-042015-
Seacoast-
Including the cities of Portsmouth, Dover, Hampton, and Exeter
225 AM EDT Thu Sep 4 2025

                      Today        Tonight      Fri

Cloud cover           Mclear       Pcldy        Pcldy
Precip type           None         Showers      Showers
Chance of Thunder (%) 0(None)      9            10
Chance precip (%)     0            40           30
Temp (24h trend)      79 (0)       57 (+5)      82
RH % (24h trend)      39 (-8)      100 (0)      58
20ftWnd - AM(mph)     S  5                      S  8 G17
20ftWnd - PM(mph)     SE 10 G19    S  9 G19     S 10 G21
Precip amount         0.00         0.07         0.03
Precip duration                    1            1
Precip begin                       3 AM         Continuing
Precip end                         Continuing   5 PM
Mixing hgt(ft-AGL)    6650(UNST)                3580(UNST)
Transport wnd (mph)   S 12                      S 15
Vent rate (kt-ft)     66500                     46540
CWR                   0            30           30
KBDI                  501-600      501-600      501-600

Remarks...None.

$$

.FORECAST FOR DAYS 3 THROUGH 7...
.FRIDAY NIGHT...Partly cloudy. Lows in the lower 60s. South winds
5 to 10 mph.
.SATURDAY...Partly sunny with a chance of showers and
thunderstorms. Highs around 80. South winds 10 to 15 mph. Daytime
humidity values high.
.SATURDAY NIGHT...Mostly cloudy with showers likely and a chance
of thunderstorms. Lows in the lower 50s. West winds 5 to 10 mph.
.SUNDAY...Partly sunny with a chance of showers. Cooler. Highs in
the upper 60s. Northwest winds around 5 mph. Daytime humidity
values moderate.
.SUNDAY NIGHT...Partly cloudy. Lows in the upper 40s. West winds
around 5 mph.
.MONDAY...Mostly sunny. Highs in the upper 60s. Northwest winds
5 to 10 mph. Daytime humidity values moderate.
.MONDAY NIGHT...Mostly clear. Lows in the mid 40s. Northwest
winds around 5 mph.
.TUESDAY...Sunny. Highs around 70. West winds around 5 mph.
Daytime humidity values moderate.
.TUESDAY NIGHT...Mostly clear. Lows in the mid 40s. Southwest
winds around 5 mph.
.WEDNESDAY...Mostly sunny. Highs in the lower 70s. Southwest
winds around 5 mph. Daytime humidity values moderate.

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

$$