Routine Fire Wx Fcst (With/Without 6-10 Day Outlook)
Issued by NWS Portland, ME
Issued by NWS Portland, ME
148
FNUS51 KGYX 170901
FWFGYX
Fire Weather Planning Forecast for Western Maine and New Hampshire
National Weather Service Gray ME
500 AM EDT Sun Aug 17 2025
.DISCUSSION...
A cold front will arrive today with scattered showers
and thunderstorms. 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.
MEZ104-172000-
Western Maine Mountains and Foothills-
Including the cities of Farmington, Rumford, Bethel, Eustis,
Jackman, and Carrabassett Valley
500 AM EDT Sun Aug 17 2025
Today Tonight Mon
Cloud cover Pcldy Pcldy Mclear
Precip type Tstms Tstms None
Chance of Thunder (%) 29(ELEV) 16(LTD) 0(None)
Chance precip (%) 80 40 0
Temp (24h trend) 83 (0) 40 (-16) 71
RH % (24h trend) 52 (+23) 96 (+5) 32
20ftWnd - AM(mph) W 6 G19 N 8 G19
20ftWnd - PM(mph) NW 12 G26 N 10 G23 N 8
Precip amount 0.18 0.06 0.00
Precip duration 4 1
Precip begin 9 AM Continuing
Precip end Continuing 9 PM
Mixing hgt(ft-AGL) 4800(UNST) 4470(UNST)
Transport wnd (mph) NW 9 N 10
Vent rate (kt-ft) 38400 40230
CWR 80 80 0
KBDI 401-500 401-500 401-500
Remarks...None.
$$
MEZ107-172000-
Kennebec River Valley-
Including the cities of Augusta, Waterville, Skowhegan, Auburn,
Lewiston, Liberty, and Livermore
500 AM EDT Sun Aug 17 2025
Today Tonight Mon
Cloud cover Pcldy Pcldy Mclear
Precip type Tstms Tstms None
Chance of Thunder (%) 31(ELEV) 29(ELEV) 0(None)
Chance precip (%) 80 60 0
Temp (24h trend) 85 (0) 46 (-11) 73
RH % (24h trend) 53 (+16) 97 (-2) 35
20ftWnd - AM(mph) S 5 N 10 G19
20ftWnd - PM(mph) W 18 G32 N 12 G24 N 8 G17
Precip amount 0.28 0.15 0.00
Precip duration 3 1
Precip begin 1 PM Continuing
Precip end Continuing 11 PM
Mixing hgt(ft-AGL) 5580(UNST) 4700(UNST)
Transport wnd (mph) SW 10 N 12
Vent rate (kt-ft) 50220 47000
CWR 100 100 0
KBDI 501-600 501-600 501-600
Remarks...None.
$$
MEZ109-172000-
Lakes Region-
Including the cities of Sanford, North Windham, Gray,
New Glouceser, Fryeburg, South Paris, and Hiram
500 AM EDT Sun Aug 17 2025
Today Tonight Mon
Cloud cover Pcldy Pcldy Mclear
Precip type Tstms Tstms None
Chance of Thunder (%) 27(ELEV) 27(ELEV) 0(None)
Chance precip (%) 50 50 0
Temp (24h trend) 90 (+5) 49 (-8) 76
RH % (24h trend) 43 (+8) 92 (-8) 34
20ftWnd - AM(mph) SW 5 N 9 G19
20ftWnd - PM(mph) W 16 G33 N 14 G29 NE 6
Precip amount 0.07 0.05 0.00
Precip duration 1 1
Precip begin 2 PM Continuing
Precip end Continuing 1 AM
Mixing hgt(ft-AGL) 6360(UNST) 4560(UNST)
Transport wnd (mph) W 13 N 8
Vent rate (kt-ft) 69960 31920
CWR 20 20 0
KBDI 501-600 501-600 501-600
Remarks...None.
$$
MEZ110-172000-
Beaches and Casco Bay-
Including the cities of Kittery, York, Kennebunk, Scarborough,
Portland, Yarmouth, Freeport, Brunswick, Topsham,
Boothbay Harbor, and Damariscotta
500 AM EDT Sun Aug 17 2025
Today Tonight Mon
Cloud cover Pcldy Pcldy Mclear
Precip type Tstms Tstms None
Chance of Thunder (%) 27(ELEV) 27(ELEV) 0(None)
Chance precip (%) 50 60 0
Temp (24h trend) 88 (+7) 49 (-10) 76
RH % (24h trend) 54 (+8) 94 (-6) 36
20ftWnd - AM(mph) SW 6 N 10 G21
20ftWnd - PM(mph) SW 12 G27 N 16 G32 NE 9 G17
Precip amount 0.16 0.09 0.00
Precip duration 1 2
Precip begin 2 PM Continuing
Precip end Continuing 2 AM
Mixing hgt(ft-AGL) 3180(UNST) 4540(UNST)
Transport wnd (mph) SW 13 N 9
Vent rate (kt-ft) 34980 36320
CWR 60 60 0
KBDI 401-500 401-500 401-500
Remarks...None.
$$
MEZ111-172000-
Mid-Coast-
Including the cities of Waldoboro, Rockland, Camden,
Lincolnville, Belfast, Searsport, Islesboro, and Vinalhaven
500 AM EDT Sun Aug 17 2025
Today Tonight Mon
Cloud cover Pcldy Pcldy Mclear
Precip type Tstms Tstms None
Chance of Thunder (%) 26(ELEV) 26(ELEV) 0(None)
Chance precip (%) 70 70 0
Temp (24h trend) 84 (+5) 48 (-10) 75
RH % (24h trend) 62 (+13) 100 (+2) 38
20ftWnd - AM(mph) SW 8 G17 N 10 G21
20ftWnd - PM(mph) S 14 G29 N 8 G21 N 8 G19
Precip amount 0.30 0.17 0.00
Precip duration 2 2
Precip begin 1 PM Continuing
Precip end Continuing 11 PM
Mixing hgt(ft-AGL) 2420(MRGL) 4580(UNST)
Transport wnd (mph) SW 14 N 12
Vent rate (kt-ft) 29040 45800
CWR 100 100 0
KBDI 401-500 401-500 401-500
Remarks...None.
$$
NHZ021-172000-
Coos County-
Including the cities of Errol, Millsfield, Colebrook, Berlin,
Dummer, Milan, York Pond, and Lancaster
500 AM EDT Sun Aug 17 2025
Today Tonight Mon
Cloud cover Pcldy Pcldy Mclear
Precip type Tstms Tstms None
Chance of Thunder (%) 27(ELEV) 15(LTD) 0(None)
Chance precip (%) 70 40 0
Temp (24h trend) 81 (0) 40 (-13) 70
RH % (24h trend) 54 (+21) 100 (+4) 35
20ftWnd - AM(mph) W 6 G17 N 6 G19
20ftWnd - PM(mph) NW 13 G28 NW 9 G23 N 5
Precip amount 0.12 0.04 0.00
Precip duration 3 0
Precip begin 11 AM Continuing
Precip end Continuing 9 PM
Mixing hgt(ft-AGL) 5220(UNST) 3810(UNST)
Transport wnd (mph) NW 9 N 8
Vent rate (kt-ft) 41760 26670
CWR 40 40 0
KBDI 301-400 301-400 301-400
Remarks...None.
$$
NHZ022-172000-
White Mountians-
Including the cities of Lincoln, Littleton, Thornton,
Waterville Valley, Woodstock, Jackson, North Conway, Conway,
and Crawford Notch
500 AM EDT Sun Aug 17 2025
Today Tonight Mon
Cloud cover Pcldy Pcldy Mclear
Precip type Tstms Tstms None
Chance of Thunder (%) 25(ELEV) 23(LTD) 0(None)
Chance precip (%) 60 40 0
Temp (24h trend) 85 (+3) 45 (-11) 74
RH % (24h trend) 46 (+9) 99 (+1) 35
20ftWnd - AM(mph) W 5 N 6 G19
20ftWnd - PM(mph) NW 11 G25 NW 9 G23 LGT/VAR
Precip amount 0.05 0.04 0.00
Precip duration 2 1
Precip begin 12 PM Continuing
Precip end Continuing 10 PM
Mixing hgt(ft-AGL) 6190(UNST) 4330(UNST)
Transport wnd (mph) W 12 N 6
Vent rate (kt-ft) 61900 21650
CWR 20 20 0
KBDI 401-500 401-500 401-500
Remarks...None.
$$
NHZ023-172000-
Central Lakes-
Including the cities of Lebanon, Plymouth, Laconia, Wolfeboro,
Alton, and Ossipee
500 AM EDT Sun Aug 17 2025
Today Tonight Mon
Cloud cover Pcldy Pcldy Mclear
Precip type Tstms Tstms None
Chance of Thunder (%) 23(LTD) 23(LTD) 0(None)
Chance precip (%) 40 30 0
Temp (24h trend) 89 (+4) 50 (-11) 75
RH % (24h trend) 43 (+4) 94 (-5) 36
20ftWnd - AM(mph) SW 6 N 6 G17
20ftWnd - PM(mph) W 12 G28 N 9 G21 NE 5
Precip amount 0.03 0.03 0.00
Precip duration 1 1
Precip begin 2 PM Continuing
Precip end Continuing 2 AM
Mixing hgt(ft-AGL) 6780(UNST) 4520(UNST)
Transport wnd (mph) W 15 N 5
Vent rate (kt-ft) 88140 18080
CWR 10 10 0
KBDI 501-600 501-600 501-600
Remarks...None.
$$
NHZ024-172000-
Lake Sunapee and Monadnocks-
Including the cities of Claremont, Keene, and Jaffrey
500 AM EDT Sun Aug 17 2025
Today Tonight Mon
Cloud cover Pcldy Pcldy Mclear
Precip type Tstms Tstms None
Chance of Thunder (%) 19(LTD) 19(LTD) 1
Chance precip (%) 20 30 0
Temp (24h trend) 89 (+4) 50 (-11) 75
RH % (24h trend) 41 (-3) 95 (-5) 38
20ftWnd - AM(mph) SW 6 N 5
20ftWnd - PM(mph) W 9 G20 N 9 G20 NE 5
Precip amount 0.03 0.02 0.00
Precip duration 0 1
Precip begin 3 PM Continuing
Precip end Continuing 4 AM
Mixing hgt(ft-AGL) 6580(UNST) 4370(UNST)
Transport wnd (mph) W 17 N 5
Vent rate (kt-ft) 98700 17480
CWR 10 10 0
KBDI 401-500 401-500 401-500
Remarks...None.
$$
NHZ025-172000-
Merrimack Valley-
Including the cities of Manchester, Nashua, Weare, and Derry
500 AM EDT Sun Aug 17 2025
Today Tonight Mon
Cloud cover Pcldy Mcldy Mclear
Precip type Tstms Tstms None
Chance of Thunder (%) 19(LTD) 19(LTD) 0(None)
Chance precip (%) 30 30 0
Temp (24h trend) 92 (+5) 53 (-9) 76
RH % (24h trend) 38 (-3) 94 (-5) 39
20ftWnd - AM(mph) SW 5 NE 6
20ftWnd - PM(mph) W 11 G24 N 11 G24 NE 5
Precip amount 0.02 0.03 0.00
Precip duration 0 1
Precip begin 3 PM Continuing
Precip end Continuing 3 AM
Mixing hgt(ft-AGL) 6570(UNST) 4570(UNST)
Transport wnd (mph) W 13 N 5
Vent rate (kt-ft) 72270 18280
CWR 0
KBDI 401-500 401-500 401-500
Remarks...None.
$$
NHZ026-172000-
Seacoast-
Including the cities of Portsmouth, Dover, Hampton, and Exeter
500 AM EDT Sun Aug 17 2025
Today Tonight Mon
Cloud cover Pcldy Mcldy Mclear
Precip type Tstms Tstms None
Chance of Thunder (%) 17(LTD) 17(LTD) 0(None)
Chance precip (%) 30 30 0
Temp (24h trend) 92 (+9) 54 (-9) 75
RH % (24h trend) 41 (-4) 91 (-6) 38
20ftWnd - AM(mph) SW 6 NE 9 G19
20ftWnd - PM(mph) W 10 G27 N 11 G23 E 8 G17
Precip amount 0.01 0.03 0.00
Precip duration 0 1
Precip begin 4 PM Continuing
Precip end Continuing 2 AM
Mixing hgt(ft-AGL) 6410(UNST) 4430(UNST)
Transport wnd (mph) SW 13 N 6
Vent rate (kt-ft) 70510 22150
CWR 10 0
KBDI 501-600 501-600 501-600
Remarks...None.
$$
.FORECAST FOR DAYS 3 THROUGH 7...
.MONDAY NIGHT...Partly cloudy. Lows in the upper 40s. Northeast
winds around 5 mph.
.TUESDAY...Partly sunny. Highs in the lower 70s. Southeast winds
around 5 mph. Daytime humidity values moderate.
.TUESDAY NIGHT...Mostly cloudy. Lows in the lower 50s. South
winds around 5 mph.
.WEDNESDAY...Mostly cloudy with a chance of showers. Highs around
70. Southeast winds around 5 mph. Daytime humidity values
moderate.
.WEDNESDAY NIGHT...Mostly cloudy with a chance of showers. Lows
in the lower 50s. East winds around 5 mph.
.THURSDAY...Mostly sunny. Highs in the mid 70s. North winds 5 to
10 mph. Daytime humidity values moderate.
.THURSDAY NIGHT...Mostly clear. Lows in the lower 50s. North
winds around 5 mph.
.FRIDAY...Sunny. Highs around 80. Northwest winds around 5 mph.
Daytime humidity values moderate.
.FRIDAY NIGHT...Mostly clear. Lows in the mid 50s. West winds
around 5 mph.
.SATURDAY...Sunny. Highs in the lower 80s. Southwest winds 5 to
10 mph. Daytime humidity values moderate.
.OUTLOOK 8 TO 14 DAYS...
Temperatures below normal. Precipitation above normal.
$$