931
FNUS51 KGYX 180637
FWFGYX
FIRE WEATHER PLANNING FORECAST FOR WESTERN MAINE AND NEW HAMPSHIRE
NATIONAL WEATHER SERVICE GRAY ME
237 AM EDT FRI SEP 18 2026
DISCUSSION
SHOWERS END EARLY THIS MORNING AS A COLD FRONT CROSSES THE REGION.
DRIER AIR MOVES IN BEHIND THE FRONT, AND NORTHWEST WINDS BECOMING
BREEZY WITH GUSTS OF 20 TO 30 MPH. DRY CONDITIONS PERSIST INTO
SATURDAY BEFORE RAIN CHANCES RETURN SUNDAY. EARLY NEXT WEEK LOOKS
MOSTLY DRY WITH BELOW NORMAL TEMPERATURES.
MEZ104-182015-
WESTERN MAINE MOUNTAINS AND FOOTHILLS-
INCLUDING THE CITIES OF FARMINGTON, RUMFORD, BETHEL, EUSTIS,
JACKMAN, AND CARRABASSETT VALLEY
237 AM EDT FRI SEP 18 2026
TODAY TONIGHT SAT
CLOUD COVER MCLEAR MCLEAR CLEAR
PRECIP TYPE NONE NONE NONE
CHANCE OF THUNDER (%) 0(NONE) 0(NONE) 0(NONE)
CHANCE PRECIP (%) 0 0 0
TEMP (24H TREND) 67 (-1) 35 (-18) 62
RH % (24H TREND) 41 (-31) 89 (-11) 37
20FTWND - AM(MPH) NW 13 G32 NW 8 G19
20FTWND - PM(MPH) NW 14 G34 NW 13 G34 NW 6
PRECIP AMOUNT 0.00 0.00 0.00
PRECIP DURATION
PRECIP BEGIN
PRECIP END
MIXING HGT(FT-AGL) 5330(UNST) 5190(UNST)
TRANSPORT WND (MPH) NW 25 NW 12
VENT RATE (KT-FT) 117260 51900
CWR 0 0 0
KBDI 301-400 301-400 301-400
REMARKS...NONE.
MEZ107-182015-
KENNEBEC RIVER VALLEY-
INCLUDING THE CITIES OF AUGUSTA, WATERVILLE, SKOWHEGAN, AUBURN,
LEWISTON, LIBERTY, AND LIVERMORE
237 AM EDT FRI SEP 18 2026
TODAY TONIGHT SAT
CLOUD COVER MCLEAR MCLEAR CLEAR
PRECIP TYPE NONE NONE NONE
CHANCE OF THUNDER (%) 0(NONE) 0(NONE) 0(NONE)
CHANCE PRECIP (%) 0 0 0
TEMP (24H TREND) 74 (+4) 40 (-17) 64
RH % (24H TREND) 40 (-36) 82 (-18) 41
20FTWND - AM(MPH) NW 11 G23 NW 6
20FTWND - PM(MPH) NW 13 G29 NW 12 G25 NW 5
PRECIP AMOUNT 0.00 0.00 0.00
PRECIP DURATION
PRECIP BEGIN
PRECIP END
MIXING HGT(FT-AGL) 6200(UNST) 5720(UNST)
TRANSPORT WND (MPH) NW 23 NW 10
VENT RATE (KT-FT) 124000 51480
CWR 0 0 0
KBDI 501-600 501-600 501-600
REMARKS...NONE.
MEZ109-182015-
LAKES REGION-
INCLUDING THE CITIES OF SANFORD, NORTH WINDHAM, GRAY,
NEW GLOUCESER, FRYEBURG, SOUTH PARIS, AND HIRAM
237 AM EDT FRI SEP 18 2026
TODAY TONIGHT SAT
CLOUD COVER MCLEAR PCLDY MCLEAR
PRECIP TYPE NONE NONE NONE
CHANCE OF THUNDER (%) 1 0(NONE) 0(NONE)
CHANCE PRECIP (%) 0 0 0
TEMP (24H TREND) 76 (+3) 40 (-18) 66
RH % (24H TREND) 43 (-34) 81 (-19) 38
20FTWND - AM(MPH) NW 10 G23 N 5
20FTWND - PM(MPH) NW 12 G27 NW 11 G23 LGT/VAR
PRECIP AMOUNT 0.00 0.00 0.00
PRECIP DURATION
PRECIP BEGIN
PRECIP END
MIXING HGT(FT-AGL) 5860(UNST) 5090(UNST)
TRANSPORT WND (MPH) NW 21 NW 7
VENT RATE (KT-FT) 105480 30540
CWR 0 0 0
KBDI 501-600 501-600 501-600
REMARKS...NONE.
MEZ110-182015-
BEACHES AND CASCO BAY-
INCLUDING THE CITIES OF KITTERY, YORK, KENNEBUNK, SCARBOROUGH,
PORTLAND, YARMOUTH, FREEPORT, BRUNSWICK, TOPSHAM,
BOOTHBAY HARBOR, AND DAMARISCOTTA
237 AM EDT FRI SEP 18 2026
TODAY TONIGHT SAT
CLOUD COVER MCLEAR MCLEAR MCLEAR
PRECIP TYPE NONE NONE NONE
CHANCE OF THUNDER (%) 1 0(NONE) 0(NONE)
CHANCE PRECIP (%) 0 0 0
TEMP (24H TREND) 78 (+6) 43 (-16) 65
RH % (24H TREND) 41 (-35) 77 (-23) 39
20FTWND - AM(MPH) NW 10 G21 N 6
20FTWND - PM(MPH) NW 12 G27 NW 11 G23 SW 6
PRECIP AMOUNT 0.00 0.00 0.00
PRECIP DURATION
PRECIP BEGIN
PRECIP END
MIXING HGT(FT-AGL) 5960(UNST) 5000(UNST)
TRANSPORT WND (MPH) NW 18 NW 8
VENT RATE (KT-FT) 95360 35000
CWR 0 0 0
KBDI 501-600 501-600 501-600
REMARKS...NONE.
MEZ111-182015-
MID-COAST-
INCLUDING THE CITIES OF WALDOBORO, ROCKLAND, CAMDEN,
LINCOLNVILLE, BELFAST, SEARSPORT, ISLESBORO, AND VINALHAVEN
237 AM EDT FRI SEP 18 2026
TODAY TONIGHT SAT
CLOUD COVER MCLEAR MCLEAR CLEAR
PRECIP TYPE NONE NONE NONE
CHANCE OF THUNDER (%) 1 0(NONE) 0(NONE)
CHANCE PRECIP (%) 0 0 0
TEMP (24H TREND) 77 (+7) 42 (-15) 64
RH % (24H TREND) 40 (-41) 77 (-23) 43
20FTWND - AM(MPH) N 10 G21 N 8 G17
20FTWND - PM(MPH) NW 12 G27 NW 11 G23 NW 6
PRECIP AMOUNT 0.00 0.00 0.00
PRECIP DURATION
PRECIP BEGIN
PRECIP END
MIXING HGT(FT-AGL) 6520(UNST) 5740(UNST)
TRANSPORT WND (MPH) NW 21 NW 10
VENT RATE (KT-FT) 117360 51660
CWR 0 0 0
KBDI 501-600 501-600 501-600
REMARKS...NONE.
NHZ021-182015-
COOS COUNTY-
INCLUDING THE CITIES OF ERROL, MILLSFIELD, COLEBROOK, BERLIN,
DUMMER, MILAN, YORK POND, AND LANCASTER
237 AM EDT FRI SEP 18 2026
TODAY TONIGHT SAT
CLOUD COVER PCLDY PCLDY MCLEAR
PRECIP TYPE NONE NONE NONE
CHANCE OF THUNDER (%) 2 0(NONE) 0(NONE)
CHANCE PRECIP (%) 0 0 0
TEMP (24H TREND) 64 (-4) 33 (-18) 60
RH % (24H TREND) 47 (-24) 92 (-8) 41
20FTWND - AM(MPH) NW 12 G34 NW 5 G19
20FTWND - PM(MPH) NW 14 G37 NW 13 G36 LGT/VAR
PRECIP AMOUNT 0.00 0.00 0.00
PRECIP DURATION
PRECIP BEGIN
PRECIP END
MIXING HGT(FT-AGL) 4930(UNST) 4150(UNST)
TRANSPORT WND (MPH) NW 24 NW 9
VENT RATE (KT-FT) 103530 33200
CWR 0 0 0
KBDI 201-300 201-300 201-300
REMARKS...NONE.
NHZ022-182015-
WHITE MOUNTIANS-
INCLUDING THE CITIES OF LINCOLN, LITTLETON, THORNTON,
WATERVILLE VALLEY, WOODSTOCK, JACKSON, NORTH CONWAY, CONWAY,
AND CRAWFORD NOTCH
237 AM EDT FRI SEP 18 2026
TODAY TONIGHT SAT
CLOUD COVER MCLEAR PCLDY MCLEAR
PRECIP TYPE NONE NONE NONE
CHANCE OF THUNDER (%) 1 0(NONE) 0(NONE)
CHANCE PRECIP (%) 0 0 0
TEMP (24H TREND) 69 (0) 36 (-20) 63
RH % (24H TREND) 47 (-30) 87 (-13) 40
20FTWND - AM(MPH) NW 10 G32 N 5 G17
20FTWND - PM(MPH) NW 12 G37 NW 11 G34 LGT/VAR
PRECIP AMOUNT 0.00 0.00 0.00
PRECIP DURATION
PRECIP BEGIN
PRECIP END
MIXING HGT(FT-AGL) 5320(UNST) 4700(UNST)
TRANSPORT WND (MPH) NW 22 NW 8
VENT RATE (KT-FT) 101080 32900
CWR 0 0 0
KBDI 401-500 401-500 401-500
REMARKS...NONE.
NHZ023-182015-
CENTRAL LAKES-
INCLUDING THE CITIES OF LEBANON, PLYMOUTH, LACONIA, WOLFEBORO,
ALTON, AND OSSIPEE
237 AM EDT FRI SEP 18 2026
TODAY TONIGHT SAT
CLOUD COVER MCLEAR PCLDY MCLEAR
PRECIP TYPE NONE NONE NONE
CHANCE OF THUNDER (%) 0(NONE) 0(NONE) 0(NONE)
CHANCE PRECIP (%) 0 0 0
TEMP (24H TREND) 72 (0) 40 (-19) 64
RH % (24H TREND) 48 (-31) 83 (-16) 40
20FTWND - AM(MPH) NW 9 G21 LGT/VAR
20FTWND - PM(MPH) NW 11 G25 NW 9 G21 LGT/VAR
PRECIP AMOUNT 0.00 0.00 0.00
PRECIP DURATION
PRECIP BEGIN
PRECIP END
MIXING HGT(FT-AGL) 5400(UNST) 4590(UNST)
TRANSPORT WND (MPH) NW 21 NW 7
VENT RATE (KT-FT) 97200 27540
CWR 0 0 0
KBDI 401-500 401-500 401-500
REMARKS...NONE.
NHZ024-182015-
LAKE SUNAPEE AND MONADNOCKS-
INCLUDING THE CITIES OF CLAREMONT, KEENE, AND JAFFREY
237 AM EDT FRI SEP 18 2026
TODAY TONIGHT SAT
CLOUD COVER MCLEAR PCLDY MCLEAR
PRECIP TYPE NONE NONE NONE
CHANCE OF THUNDER (%) 0(NONE) 0(NONE) 0(NONE)
CHANCE PRECIP (%) 0 0 0
TEMP (24H TREND) 73 (0) 40 (-19) 65
RH % (24H TREND) 50 (-29) 86 (-14) 40
20FTWND - AM(MPH) NW 8 G19 LGT/VAR
20FTWND - PM(MPH) NW 9 G21 N 8 G17 LGT/VAR
PRECIP AMOUNT 0.00 0.00 0.00
PRECIP DURATION
PRECIP BEGIN
PRECIP END
MIXING HGT(FT-AGL) 5380(UNST) 4150(UNST)
TRANSPORT WND (MPH) NW 20 NW 7
VENT RATE (KT-FT) 91460 24900
CWR 0 0 0
KBDI 301-400 301-400 301-400
REMARKS...NONE.
NHZ025-182015-
MERRIMACK VALLEY-
INCLUDING THE CITIES OF MANCHESTER, NASHUA, WEARE, AND DERRY
237 AM EDT FRI SEP 18 2026
TODAY TONIGHT SAT
CLOUD COVER MCLEAR PCLDY MCLEAR
PRECIP TYPE NONE NONE NONE
CHANCE OF THUNDER (%) 0(NONE) 0(NONE) 0(NONE)
CHANCE PRECIP (%) 0 0 0
TEMP (24H TREND) 76 (0) 43 (-19) 67
RH % (24H TREND) 48 (-28) 83 (-17) 42
20FTWND - AM(MPH) NW 9 G20 LGT/VAR
20FTWND - PM(MPH) NW 10 G24 NW 9 G19 LGT/VAR
PRECIP AMOUNT 0.00 0.00 0.00
PRECIP DURATION
PRECIP BEGIN
PRECIP END
MIXING HGT(FT-AGL) 5720(UNST) 4590(UNST)
TRANSPORT WND (MPH) NW 20 NW 5
VENT RATE (KT-FT) 97240 18360
CWR 0 0 0
KBDI 401-500 401-500 401-500
REMARKS...NONE.
NHZ026-182015-
SEACOAST-
INCLUDING THE CITIES OF PORTSMOUTH, DOVER, HAMPTON, AND EXETER
237 AM EDT FRI SEP 18 2026
TODAY TONIGHT SAT
CLOUD COVER MCLEAR PCLDY MCLEAR
PRECIP TYPE NONE NONE NONE
CHANCE OF THUNDER (%) 1 0(NONE) 0(NONE)
CHANCE PRECIP (%) 0 0 0
TEMP (24H TREND) 76 (+3) 43 (-19) 65
RH % (24H TREND) 46 (-30) 82 (-18) 42
20FTWND - AM(MPH) NW 8 G17 LGT/VAR
20FTWND - PM(MPH) NW 10 G24 NW 9 G19 SE 5
PRECIP AMOUNT 0.00 0.00 0.00
PRECIP DURATION
PRECIP BEGIN
PRECIP END
MIXING HGT(FT-AGL) 5900(UNST) 4770(UNST)
TRANSPORT WND (MPH) NW 18 N 6
VENT RATE (KT-FT) 94400 23850
CWR 0 0 0
KBDI 501-600 501-600 501-600
REMARKS...NONE.
FORECAST FOR DAYS 3 THROUGH 7
SATURDAY NIGHT
PARTLY CLOUDY. LOWS IN THE LOWER 40S. SOUTH
WINDS AROUND 5 MPH.
SUNDAY
PARTLY SUNNY WITH A CHANCE OF RAIN. HIGHS IN THE LOWER
60S. SOUTH WINDS 5 TO 10 MPH. DAYTIME HUMIDITY VALUES HIGH.
SUNDAY NIGHT
MOSTLY CLOUDY WITH A CHANCE OF RAIN. LOWS IN THE
MID 40S. WEST WINDS AROUND 5 MPH.
MONDAY
MOSTLY SUNNY. HIGHS IN THE LOWER 60S. NORTH WINDS 5 TO
10 MPH. DAYTIME HUMIDITY VALUES MODERATE.
MONDAY NIGHT
PARTLY CLOUDY. LOWS IN THE LOWER 40S. NORTH WINDS
AROUND 5 MPH.
TUESDAY
PARTLY SUNNY. HIGHS AROUND 60. NORTHEAST WINDS 5 TO
10 MPH. DAYTIME HUMIDITY VALUES MODERATE.
TUESDAY NIGHT
MOSTLY CLOUDY. LOWS IN THE LOWER 40S. NORTHEAST
WINDS 5 TO 10 MPH.
WEDNESDAY
MOSTLY SUNNY. HIGHS AROUND 60. EAST WINDS 5 TO
10 MPH. DAYTIME HUMIDITY VALUES MODERATE.
WEDNESDAY NIGHT
PARTLY CLOUDY. LOWS IN THE LOWER 40S.
NORTHEAST WINDS 5 TO 10 MPH.
THURSDAY
MOSTLY SUNNY. HIGHS IN THE LOWER 60S. EAST WINDS 5 TO
10 MPH. DAYTIME HUMIDITY VALUES MODERATE.
OUTLOOK 8 TO 14 DAYS
TEMPERATURES NEAR NORMAL. PRECIPITATION NEAR NORMAL.
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