Routine Fire Wx Fcst (With/Without 6-10 Day Outlook)
Issued by NWS Portland, ME
Issued by NWS Portland, ME
543
FNUS51 KGYX 200542
FWFGYX
Fire Weather Planning Forecast for Western Maine and New Hampshire
National Weather Service Gray ME
142 AM EDT Wed Aug 20 2025
.DISCUSSION...
Clouds will keep today a bit cooler as a disturbance brings a
chance of showers to the area with the best potential for wetting
rains over southernmost portions of southern NH. Dry conditions
are then expected Thursday through Saturday with a gradual warming
trend.
MEZ104-202015-
Western Maine Mountains and Foothills-
Including the cities of Farmington, Rumford, Bethel, Eustis,
Jackman, and Carrabassett Valley
142 AM EDT Wed Aug 20 2025
Today Tonight Thu
Cloud cover Mcldy Pcldy Mclear
Precip type None None None
Chance of Thunder (%) 8 8 4
Chance precip (%) 0 0 0
Temp (24h trend) 70 (+1) 48 (0) 75
RH % (24h trend) 48 (+9) 92 (+7) 38
20ftWnd - AM(mph) LGT/VAR NE 5
20ftWnd - PM(mph) S 6 LGT/VAR NE 8
Precip amount 0.00 0.00 0.00
Precip duration
Precip begin
Precip end
Mixing hgt(ft-AGL) 4960(UNST) 6100(UNST)
Transport wnd (mph) S 6 N 2
Vent rate (kt-ft) 24800 12200
CWR 0 0 0
KBDI 401-500 401-500 401-500
Remarks...None.
$$
MEZ107-202015-
Kennebec River Valley-
Including the cities of Augusta, Waterville, Skowhegan, Auburn,
Lewiston, Liberty, and Livermore
142 AM EDT Wed Aug 20 2025
Today Tonight Thu
Cloud cover Mcldy Pcldy Mclear
Precip type None None None
Chance of Thunder (%) 5 5 1
Chance precip (%) 0 0 0
Temp (24h trend) 71 (-1) 49 (0) 75
RH % (24h trend) 48 (+10) 100 (+8) 40
20ftWnd - AM(mph) SE 5 NE 5
20ftWnd - PM(mph) S 6 LGT/VAR E 9
Precip amount 0.00 0.00 0.00
Precip duration
Precip begin
Precip end
Mixing hgt(ft-AGL) 5870(UNST) 4960(UNST)
Transport wnd (mph) S 6 NE 2
Vent rate (kt-ft) 29350 9920
CWR 0 0 0
KBDI 501-600 501-600 501-600
Remarks...None.
$$
MEZ109-202015-
Lakes Region-
Including the cities of Sanford, North Windham, Gray,
New Glouceser, Fryeburg, South Paris, and Hiram
142 AM EDT Wed Aug 20 2025
Today Tonight Thu
Cloud cover Mcldy Pcldy Mclear
Precip type None None None
Chance of Thunder (%) 7 7 2
Chance precip (%) 0 0 0
Temp (24h trend) 68 (-4) 48 (-3) 74
RH % (24h trend) 59 (+17) 100 (+6) 39
20ftWnd - AM(mph) LGT/VAR NE 6
20ftWnd - PM(mph) S 6 LGT/VAR E 9 G17
Precip amount 0.00 0.00 0.00
Precip duration
Precip begin
Precip end
Mixing hgt(ft-AGL) 5050(UNST) 3800(UNST)
Transport wnd (mph) S 8 E 6
Vent rate (kt-ft) 35350 19000
CWR 0 0 0
KBDI 501-600 501-600 501-600
Remarks...None.
$$
MEZ110-202015-
Beaches and Casco Bay-
Including the cities of Kittery, York, Kennebunk, Scarborough,
Portland, Yarmouth, Freeport, Brunswick, Topsham,
Boothbay Harbor, and Damariscotta
142 AM EDT Wed Aug 20 2025
Today Tonight Thu
Cloud cover Mcldy Pcldy Mclear
Precip type Showers None None
Chance of Thunder (%) 5 5 1
Chance precip (%) 10 0 0
Temp (24h trend) 69 (-1) 49 (-4) 74
RH % (24h trend) 58 (+15) 100 (+6) 42
20ftWnd - AM(mph) SE 6 NE 8
20ftWnd - PM(mph) S 8 LGT/VAR E 11 G20
Precip amount 0.01 0.00 0.00
Precip duration 1
Precip begin 6 AM
Precip end 3 PM
Mixing hgt(ft-AGL) 5130(UNST) 3470(UNST)
Transport wnd (mph) S 7 NE 6
Vent rate (kt-ft) 30780 17350
CWR 0 0
KBDI 401-500 401-500 401-500
Remarks...None.
$$
MEZ111-202015-
Mid-Coast-
Including the cities of Waldoboro, Rockland, Camden,
Lincolnville, Belfast, Searsport, Islesboro, and Vinalhaven
142 AM EDT Wed Aug 20 2025
Today Tonight Thu
Cloud cover Mcldy Pcldy Mclear
Precip type None None None
Chance of Thunder (%) 2 2 0(None)
Chance precip (%) 0 0 0
Temp (24h trend) 71 (+1) 48 (-2) 74
RH % (24h trend) 50 (+10) 100 (+5) 41
20ftWnd - AM(mph) SE 8 E 8
20ftWnd - PM(mph) S 10 LGT/VAR SE 9
Precip amount 0.00 0.00 0.00
Precip duration
Precip begin
Precip end
Mixing hgt(ft-AGL) 6350(UNST) 4970(UNST)
Transport wnd (mph) S 5 E 1
Vent rate (kt-ft) 25400 4970
CWR 0 0 0
KBDI 401-500 401-500 401-500
Remarks...None.
$$
NHZ021-202015-
Coos County-
Including the cities of Errol, Millsfield, Colebrook, Berlin,
Dummer, Milan, York Pond, and Lancaster
142 AM EDT Wed Aug 20 2025
Today Tonight Thu
Cloud cover Mcldy Pcldy Mclear
Precip type None None None
Chance of Thunder (%) 11 11 3
Chance precip (%) 0 0 0
Temp (24h trend) 68 (-1) 46 (-2) 76
RH % (24h trend) 53 (+10) 94 (+8) 36
20ftWnd - AM(mph) LGT/VAR E 5
20ftWnd - PM(mph) S 5 LGT/VAR E 8
Precip amount 0.00 0.00 0.00
Precip duration
Precip begin
Precip end
Mixing hgt(ft-AGL) 3830(UNST) 5090(UNST)
Transport wnd (mph) S 6 E 3
Vent rate (kt-ft) 19150 15270
CWR 0 0 0
KBDI 301-400 301-400 401-500
Remarks...None.
$$
NHZ022-202015-
White Mountians-
Including the cities of Lincoln, Littleton, Thornton,
Waterville Valley, Woodstock, Jackson, North Conway, Conway,
and Crawford Notch
142 AM EDT Wed Aug 20 2025
Today Tonight Thu
Cloud cover Mcldy Pcldy Mclear
Precip type Showers None None
Chance of Thunder (%) 10 10 3
Chance precip (%) 20 0 0
Temp (24h trend) 65 (-3) 47 (-3) 73
RH % (24h trend) 61 (+15) 96 (+8) 36
20ftWnd - AM(mph) LGT/VAR NE 5
20ftWnd - PM(mph) S 6 LGT/VAR NE 6
Precip amount 0.02 0.00 0.00
Precip duration 1
Precip begin 6 AM
Precip end 6 PM
Mixing hgt(ft-AGL) 3830(UNST) 4030(UNST)
Transport wnd (mph) S 8 E 6
Vent rate (kt-ft) 26810 20150
CWR 0 0
KBDI 401-500 401-500 501-600
Remarks...None.
$$
NHZ023-202015-
Central Lakes-
Including the cities of Lebanon, Plymouth, Laconia, Wolfeboro,
Alton, and Ossipee
142 AM EDT Wed Aug 20 2025
Today Tonight Thu
Cloud cover Mcldy Pcldy Pcldy
Precip type Showers Showers None
Chance of Thunder (%) 8 8 3
Chance precip (%) 30 20 0
Temp (24h trend) 64 (-6) 49 (-3) 73
RH % (24h trend) 66 (+20) 100 (+10) 39
20ftWnd - AM(mph) LGT/VAR NE 6
20ftWnd - PM(mph) SE 5 LGT/VAR NE 8 G17
Precip amount 0.04 0.02 0.00
Precip duration 2 1
Precip begin 6 AM Continuing
Precip end Continuing 11 PM
Mixing hgt(ft-AGL) 4310(UNST) 3680(UNST)
Transport wnd (mph) S 9 E 9
Vent rate (kt-ft) 34480 29440
CWR 10 10 0
KBDI 501-600 501-600 501-600
Remarks...None.
$$
NHZ024-202015-
Lake Sunapee and Monadnocks-
Including the cities of Claremont, Keene, and Jaffrey
142 AM EDT Wed Aug 20 2025
Today Tonight Thu
Cloud cover Mcldy Mcldy Pcldy
Precip type Showers Showers None
Chance of Thunder (%) 7 7 4
Chance precip (%) 40 40 0
Temp (24h trend) 62 (-9) 49 (-1) 71
RH % (24h trend) 73 (+26) 100 (+3) 49
20ftWnd - AM(mph) LGT/VAR NE 5
20ftWnd - PM(mph) LGT/VAR LGT/VAR NE 10 G18
Precip amount 0.11 0.07 0.00
Precip duration 2 2
Precip begin 6 AM Continuing
Precip end Continuing 6 AM
Mixing hgt(ft-AGL) 2250(MRGL) 3720(UNST)
Transport wnd (mph) SE 9 E 10
Vent rate (kt-ft) 18000 33480
CWR 40 40 0
KBDI 401-500 401-500 401-500
Remarks...None.
$$
NHZ025-202015-
Merrimack Valley-
Including the cities of Manchester, Nashua, Weare, and Derry
142 AM EDT Wed Aug 20 2025
Today Tonight Thu
Cloud cover Mcldy Mcldy Pcldy
Precip type Showers Showers None
Chance of Thunder (%) 6 6 3
Chance precip (%) 40 30 0
Temp (24h trend) 65 (-7) 50 (-2) 72
RH % (24h trend) 69 (+22) 100 (+7) 50
20ftWnd - AM(mph) LGT/VAR NE 8
20ftWnd - PM(mph) LGT/VAR NE 5 NE 12 G20
Precip amount 0.06 0.05 0.00
Precip duration 2 1
Precip begin 6 AM Continuing
Precip end Continuing 4 AM
Mixing hgt(ft-AGL) 3910(UNST) 3830(UNST)
Transport wnd (mph) SE 7 E 12
Vent rate (kt-ft) 23460 38300
CWR 20 20 0
KBDI 501-600 501-600 501-600
Remarks...None.
$$
NHZ026-202015-
Seacoast-
Including the cities of Portsmouth, Dover, Hampton, and Exeter
142 AM EDT Wed Aug 20 2025
Today Tonight Thu
Cloud cover Mcldy Mcldy Pcldy
Precip type Showers Showers None
Chance of Thunder (%) 4 4 2
Chance precip (%) 30 20 0
Temp (24h trend) 67 (-3) 51 (-3) 71
RH % (24h trend) 65 (+17) 100 (+9) 50
20ftWnd - AM(mph) E 5 NE 9 G17
20ftWnd - PM(mph) E 6 NE 6 E 14
Precip amount 0.03 0.03 0.00
Precip duration 2 1
Precip begin 6 AM Continuing
Precip end Continuing 2 AM
Mixing hgt(ft-AGL) 4350(UNST) 3550(UNST)
Transport wnd (mph) SE 7 NE 13
Vent rate (kt-ft) 26100 39050
CWR 10 10 0
KBDI 501-600 501-600 501-600
Remarks...None.
$$
.FORECAST FOR DAYS 3 THROUGH 7...
.THURSDAY NIGHT...Mostly clear. Lows around 50. Northeast winds
5 to 10 mph.
.FRIDAY...Sunny. Highs around 80. North winds 5 to 10 mph.
Daytime humidity values moderate.
.FRIDAY NIGHT...Partly cloudy. Lows in the mid 50s. North winds
around 5 mph.
.SATURDAY...Sunny. Highs in the lower 80s. South winds 5 to
10 mph. Daytime humidity values moderate.
.SATURDAY NIGHT...Partly cloudy. Lows in the upper 50s. South
winds around 5 mph.
.SUNDAY...Partly sunny. Highs in the upper 70s. South winds 5 to
10 mph. Daytime humidity values moderate.
.SUNDAY NIGHT...Mostly cloudy with a chance of showers. Lows in
the upper 50s. South winds 5 to 10 mph.
.MONDAY...Partly sunny with showers likely. Highs in the mid 70s.
South winds 5 to 10 mph. Daytime humidity values high.
.MONDAY NIGHT...Mostly cloudy with showers likely. Lows in the
mid 50s. Southwest winds around 5 mph.
.TUESDAY...Mostly sunny with a chance of showers. Highs in the
mid 70s. West winds 5 to 10 mph. Daytime humidity values
moderate.
.OUTLOOK 8 TO 14 DAYS...
Temperatures below normal. Precipitation above normal.
$$