Routine Fire Wx Fcst (With/Without 6-10 Day Outlook)
Issued by NWS Portland, ME
Issued by NWS Portland, ME
661
FNUS51 KGYX 190901
FWFGYX
Fire Weather Planning Forecast for Western Maine and New Hampshire
National Weather Service Gray ME
500 AM EDT Tue Aug 19 2025
.DISCUSSION...
Dry and cool weather continues with RH values dropping
in to the 30-45% range with good RH recovery overnight. Daytime
temperatures will be in the 70s with nighttime temperatures
dropping into the 40s and 50s. Wednesday may be our next chance
for wetting rains, but some uncertainty remains regarding which
areas are most likely to receive it.
MEZ104-192000-
Western Maine Mountains and Foothills-
Including the cities of Farmington, Rumford, Bethel, Eustis,
Jackman, and Carrabassett Valley
500 AM EDT Tue Aug 19 2025
Today Tonight Wed
Cloud cover Pcldy Pcldy Mcldy
Precip type None None Showers
Chance of Thunder (%) 0(None) 0(None) 9
Chance precip (%) 0 0 20
Temp (24h trend) 72 (+5) 46 (+4) 69
RH % (24h trend) 34 (-1) 94 (+6) 44
20ftWnd - AM(mph) LGT/VAR LGT/VAR
20ftWnd - PM(mph) LGT/VAR LGT/VAR S 6
Precip amount 0.00 0.00 0.01
Precip duration 1
Precip begin 7 AM
Precip end Continuing
Mixing hgt(ft-AGL) 5150(UNST) 3540(UNST)
Transport wnd (mph) SW 2 S 9
Vent rate (kt-ft) 10300 28320
CWR 0 0
KBDI 401-500 401-500 401-500
Remarks...None.
$$
MEZ107-192000-
Kennebec River Valley-
Including the cities of Augusta, Waterville, Skowhegan, Auburn,
Lewiston, Liberty, and Livermore
500 AM EDT Tue Aug 19 2025
Today Tonight Wed
Cloud cover Pcldy Pcldy Mcldy
Precip type None None None
Chance of Thunder (%) 0(None) 0(None) 5
Chance precip (%) 0 0 0
Temp (24h trend) 74 (+3) 47 (+1) 71
RH % (24h trend) 31 (0) 100 (+14) 48
20ftWnd - AM(mph) LGT/VAR LGT/VAR
20ftWnd - PM(mph) S 8 S 6 S 8
Precip amount 0.00 0.00 0.00
Precip duration
Precip begin
Precip end
Mixing hgt(ft-AGL) 5850(UNST) 3980(UNST)
Transport wnd (mph) NW 2 SE 6
Vent rate (kt-ft) 11700 19900
CWR 0 0 0
KBDI 501-600 501-600 501-600
Remarks...None.
$$
MEZ109-192000-
Lakes Region-
Including the cities of Sanford, North Windham, Gray,
New Glouceser, Fryeburg, South Paris, and Hiram
500 AM EDT Tue Aug 19 2025
Today Tonight Wed
Cloud cover Pcldy Pcldy Mcldy
Precip type None None Showers
Chance of Thunder (%) 0(None) 0(None) 6
Chance precip (%) 0 0 30
Temp (24h trend) 73 (0) 49 (+3) 69
RH % (24h trend) 37 (+8) 99 (+7) 57
20ftWnd - AM(mph) LGT/VAR LGT/VAR
20ftWnd - PM(mph) SE 8 S 6 S 8
Precip amount 0.00 0.00 0.04
Precip duration 1
Precip begin 6 AM
Precip end Continuing
Mixing hgt(ft-AGL) 5490(UNST) 3070(UNST)
Transport wnd (mph) SE 2 E 7
Vent rate (kt-ft) 10980 18420
CWR 0 0 10
KBDI 501-600 501-600 501-600
Remarks...None.
$$
MEZ110-192000-
Beaches and Casco Bay-
Including the cities of Kittery, York, Kennebunk, Scarborough,
Portland, Yarmouth, Freeport, Brunswick, Topsham,
Boothbay Harbor, and Damariscotta
500 AM EDT Tue Aug 19 2025
Today Tonight Wed
Cloud cover Pcldy Pcldy Mcldy
Precip type None None Showers
Chance of Thunder (%) 0(None) 0(None) 3
Chance precip (%) 0 0 20
Temp (24h trend) 72 (0) 49 (0) 70
RH % (24h trend) 35 (+2) 100 (+12) 58
20ftWnd - AM(mph) NE 6 SE 6
20ftWnd - PM(mph) SE 10 S 8 SE 9
Precip amount 0.00 0.00 0.02
Precip duration 1
Precip begin 6 AM
Precip end Continuing
Mixing hgt(ft-AGL) 5730(UNST) 3890(UNST)
Transport wnd (mph) NE 3 E 8
Vent rate (kt-ft) 17190 27230
CWR 0 0
KBDI 401-500 401-500 401-500
Remarks...None.
$$
MEZ111-192000-
Mid-Coast-
Including the cities of Waldoboro, Rockland, Camden,
Lincolnville, Belfast, Searsport, Islesboro, and Vinalhaven
500 AM EDT Tue Aug 19 2025
Today Tonight Wed
Cloud cover Pcldy Pcldy Mcldy
Precip type None None None
Chance of Thunder (%) 0(None) 0(None) 3
Chance precip (%) 0 0 0
Temp (24h trend) 73 (+3) 47 (+1) 70
RH % (24h trend) 30 (-6) 100 (+13) 54
20ftWnd - AM(mph) NE 5 S 6
20ftWnd - PM(mph) SE 10 SW 8 S 10
Precip amount 0.00 0.00 0.00
Precip duration
Precip begin
Precip end
Mixing hgt(ft-AGL) 5880(UNST) 3210(UNST)
Transport wnd (mph) N 3 SE 7
Vent rate (kt-ft) 17640 19260
CWR 0 0 0
KBDI 401-500 401-500 401-500
Remarks...None.
$$
NHZ021-192000-
Coos County-
Including the cities of Errol, Millsfield, Colebrook, Berlin,
Dummer, Milan, York Pond, and Lancaster
500 AM EDT Tue Aug 19 2025
Today Tonight Wed
Cloud cover Pcldy Mcldy Mcldy
Precip type None None Showers
Chance of Thunder (%) 0(None) 2 11
Chance precip (%) 0 0 20
Temp (24h trend) 73 (+8) 45 (+6) 67
RH % (24h trend) 37 (-1) 94 (0) 52
20ftWnd - AM(mph) LGT/VAR LGT/VAR
20ftWnd - PM(mph) S 5 LGT/VAR S 5
Precip amount 0.00 0.00 0.04
Precip duration 1
Precip begin 6 AM
Precip end Continuing
Mixing hgt(ft-AGL) 5120(UNST) 2660(MRGL)
Transport wnd (mph) SW 6 SE 9
Vent rate (kt-ft) 25600 21280
CWR 0 0 10
KBDI 301-400 301-400 301-400
Remarks...None.
$$
NHZ022-192000-
White Mountians-
Including the cities of Lincoln, Littleton, Thornton,
Waterville Valley, Woodstock, Jackson, North Conway, Conway,
and Crawford Notch
500 AM EDT Tue Aug 19 2025
Today Tonight Wed
Cloud cover Pcldy Mcldy Mcldy
Precip type None Showers Showers
Chance of Thunder (%) 0(None) 0(None) 7
Chance precip (%) 0 30 40
Temp (24h trend) 72 (+4) 50 (+8) 67
RH % (24h trend) 40 (+6) 91 (+1) 56
20ftWnd - AM(mph) LGT/VAR LGT/VAR
20ftWnd - PM(mph) S 5 S 5 S 5
Precip amount 0.00 0.01 0.07
Precip duration 1 2
Precip begin 2 AM Continuing
Precip end Continuing Continuing
Mixing hgt(ft-AGL) 4720(UNST) 2110(MRGL)
Transport wnd (mph) S 6 SE 8
Vent rate (kt-ft) 23600 14770
CWR 0 20
KBDI 401-500 401-500 401-500
Remarks...None.
$$
NHZ023-192000-
Central Lakes-
Including the cities of Lebanon, Plymouth, Laconia, Wolfeboro,
Alton, and Ossipee
500 AM EDT Tue Aug 19 2025
Today Tonight Wed
Cloud cover Pcldy Mcldy Mcldy
Precip type None Showers Showers
Chance of Thunder (%) 0(None) 0(None) 9
Chance precip (%) 0 30 40
Temp (24h trend) 73 (+1) 50 (+3) 67
RH % (24h trend) 40 (+10) 97 (+8) 59
20ftWnd - AM(mph) NE 5 LGT/VAR
20ftWnd - PM(mph) SE 6 S 5 S 6
Precip amount 0.00 0.01 0.11
Precip duration 1 2
Precip begin 2 AM Continuing
Precip end Continuing Continuing
Mixing hgt(ft-AGL) 4730(UNST) 2480(MRGL)
Transport wnd (mph) S 6 SE 9
Vent rate (kt-ft) 23650 19840
CWR 0 40
KBDI 501-600 501-600 501-600
Remarks...None.
$$
NHZ024-192000-
Lake Sunapee and Monadnocks-
Including the cities of Claremont, Keene, and Jaffrey
500 AM EDT Tue Aug 19 2025
Today Tonight Wed
Cloud cover Pcldy Mcldy Mcldy
Precip type None None Showers
Chance of Thunder (%) 0(None) 0(None) 8
Chance precip (%) 0 0 50
Temp (24h trend) 72 (0) 51 (+4) 65
RH % (24h trend) 42 (+10) 95 (0) 62
20ftWnd - AM(mph) LGT/VAR LGT/VAR
20ftWnd - PM(mph) S 5 LGT/VAR LGT/VAR
Precip amount 0.00 0.00 0.22
Precip duration 2
Precip begin 6 AM
Precip end Continuing
Mixing hgt(ft-AGL) 5350(UNST) 2060(MRGL)
Transport wnd (mph) SE 7 SE 10
Vent rate (kt-ft) 32100 18540
CWR 0 0 90
KBDI 401-500 401-500 401-500
Remarks...None.
$$
NHZ025-192000-
Merrimack Valley-
Including the cities of Manchester, Nashua, Weare, and Derry
500 AM EDT Tue Aug 19 2025
Today Tonight Wed
Cloud cover Pcldy Mcldy Mcldy
Precip type None None Showers
Chance of Thunder (%) 0(None) 0(None) 6
Chance precip (%) 0 0 50
Temp (24h trend) 74 (-1) 51 (0) 69
RH % (24h trend) 41 (+11) 97 (+5) 60
20ftWnd - AM(mph) LGT/VAR LGT/VAR
20ftWnd - PM(mph) SE 8 SE 6 SE 5
Precip amount 0.00 0.00 0.11
Precip duration 2
Precip begin 6 AM
Precip end Continuing
Mixing hgt(ft-AGL) 5490(UNST) 2390(MRGL)
Transport wnd (mph) SE 7 E 12
Vent rate (kt-ft) 32940 23900
CWR 0 0 40
KBDI 401-500 401-500 501-600
Remarks...None.
$$
NHZ026-192000-
Seacoast-
Including the cities of Portsmouth, Dover, Hampton, and Exeter
500 AM EDT Tue Aug 19 2025
Today Tonight Wed
Cloud cover Pcldy Pcldy Mcldy
Precip type None None Showers
Chance of Thunder (%) 0(None) 0(None) 5
Chance precip (%) 0 0 40
Temp (24h trend) 71 (0) 51 (-1) 69
RH % (24h trend) 39 (+5) 100 (+7) 58
20ftWnd - AM(mph) NE 6 LGT/VAR
20ftWnd - PM(mph) SE 10 SE 9 SE 8
Precip amount 0.00 0.00 0.07
Precip duration 1
Precip begin 7 AM
Precip end Continuing
Mixing hgt(ft-AGL) 4610(UNST) 3240(UNST)
Transport wnd (mph) E 7 E 9
Vent rate (kt-ft) 27660 25920
CWR 0 0 30
KBDI 501-600 501-600 501-600
Remarks...None.
$$
.FORECAST FOR DAYS 3 THROUGH 7...
.WEDNESDAY NIGHT...Partly cloudy with a chance of showers. Lows
in the lower 50s. Southeast winds around 5 mph.
.THURSDAY...Mostly sunny. Highs in the mid 70s. Northeast winds
around 5 mph. Daytime humidity values moderate.
.THURSDAY NIGHT...Mostly clear. Lows in the lower 50s. Northeast
winds around 5 mph.
.FRIDAY...Sunny. Highs in the upper 70s. Northeast winds around
5 mph. Daytime humidity values moderate.
.FRIDAY NIGHT...Mostly clear. Lows in the mid 50s. Southwest
winds around 5 mph.
.SATURDAY...Sunny. Highs in the lower 80s. South winds 5 to
10 mph. Daytime humidity values moderate.
.SATURDAY NIGHT...Partly cloudy. Lows in the upper 50s. South
winds 5 to 10 mph.
.SUNDAY...Partly sunny with a chance of showers. Highs in the mid
70s. South winds 5 to 10 mph. Daytime humidity values high.
.SUNDAY NIGHT...Mostly cloudy with a chance of showers. Lows in
the upper 50s. South winds 5 to 10 mph.
.MONDAY...Mostly sunny with a chance of showers. Highs in the mid
70s. Southwest winds 5 to 10 mph. Daytime humidity values
moderate.
.OUTLOOK 8 TO 14 DAYS...
Temperatures below normal. Precipitation near normal.
$$