807
FNUS51 KGYX 171827
FWFGYX
FIRE WEATHER PLANNING FORECAST FOR WESTERN MAINE AND NEW HAMPSHIRE
NATIONAL WEATHER SERVICE GRAY ME
227 PM EDT THU SEP 17 2026
DISCUSSION
A COMPACT LOW WILL BRING A PERIOD OF RAIN AND SHOWERS TO THE AREA
LATER THIS AFTERNOON AND OVERNIGHT. A WETTING RAIN IS LIKELY FOR
PORTIONS OF CENTRAL AND SOUTHERN NH INTO THE ME LAKE REGION AND
COAST, BUT PRECIPITATION MAY BE MORE SHOWERY OUTSIDE OF THIS
AREA. BREEZY NW WINDS OF 25 TO 35 MPH DEVELOP IN ITS WAKE FRIDAY,
WITH DRIER CONDITIONS THROUGH SATURDAY. RAIN CHANCES THEN RETURN
SUNDAY.
MEZ104-180815-
WESTERN MAINE MOUNTAINS AND FOOTHILLS-
INCLUDING THE CITIES OF FARMINGTON, RUMFORD, BETHEL, EUSTIS,
JACKMAN, AND CARRABASSETT VALLEY
227 PM EDT THU SEP 17 2026
TONIGHT FRI FRI NIGHT SAT
CLOUD COVER MCLDY MCLEAR MCLEAR MCLEAR
PRECIP TYPE SHOWERS NONE NONE NONE
CHANCE OF THUNDER (%) 6 0(NONE) 0(NONE) 0(NONE)
CHANCE PRECIP (%) 40 0 0 0
TEMP (24H TREND) 50 (-4) 67 (-2) 34 62
RH % (24H TREND) 100 (+1) 39 (-33) 97 36
20FTWND - AM(MPH) NW 14 G33 NW 6 G19
20FTWND - PM(MPH) LGT/VAR NW 16 G34 NW 14 G35 NW 5
PRECIP AMOUNT 0.03 0.00 0.00 0.00
PRECIP DURATION 1
PRECIP BEGIN 6 PM
PRECIP END 2 AM
MIXING HGT(FT-AGL) 5310(UNST) 4660(UNST)
TRANSPORT WND (MPH) NW 26 NW 10
VENT RATE (KT-FT) 122130 41940
CWR 0 0 0
KBDI 301-400 301-400 301-400 301-400
REMARKS...NONE.
MEZ107-180815-
KENNEBEC RIVER VALLEY-
INCLUDING THE CITIES OF AUGUSTA, WATERVILLE, SKOWHEGAN, AUBURN,
LEWISTON, LIBERTY, AND LIVERMORE
227 PM EDT THU SEP 17 2026
TONIGHT FRI FRI NIGHT SAT
CLOUD COVER MCLDY MCLEAR MCLEAR MCLEAR
PRECIP TYPE TSTMS NONE NONE NONE
CHANCE OF THUNDER (%) 13 0(NONE) 0(NONE) 0(NONE)
CHANCE PRECIP (%) 80 0 0 0
TEMP (24H TREND) 57 (+2) 73 (+2) 39 64
RH % (24H TREND) 100 (0) 41 (-35) 89 39
20FTWND - AM(MPH) NW 13 G28 NW 5
20FTWND - PM(MPH) LGT/VAR NW 16 G32 NW 13 G28 LGT/VAR
PRECIP AMOUNT 0.20 0.00 0.00 0.00
PRECIP DURATION 5
PRECIP BEGIN 6 PM
PRECIP END 5 AM
MIXING HGT(FT-AGL) 6230(UNST) 5130(UNST)
TRANSPORT WND (MPH) NW 24 NW 7
VENT RATE (KT-FT) 130830 30780
CWR 70 0 0 0
KBDI 501-600 501-600 501-600 501-600
REMARKS...NONE.
MEZ109-180815-
LAKES REGION-
INCLUDING THE CITIES OF SANFORD, NORTH WINDHAM, GRAY,
NEW GLOUCESER, FRYEBURG, SOUTH PARIS, AND HIRAM
227 PM EDT THU SEP 17 2026
TONIGHT FRI FRI NIGHT SAT
CLOUD COVER MCLDY MCLEAR PCLDY MCLEAR
PRECIP TYPE TSTMS NONE NONE NONE
CHANCE OF THUNDER (%) 17(LTD) 1 0(NONE) 0(NONE)
CHANCE PRECIP (%) 80 0 0 0
TEMP (24H TREND) 56 (-2) 75 (+3) 40 65
RH % (24H TREND) 100 (+1) 42 (-35) 89 37
20FTWND - AM(MPH) NW 12 G27 N 5
20FTWND - PM(MPH) LGT/VAR NW 14 G31 NW 12 G26 LGT/VAR
PRECIP AMOUNT 0.33 0.00 0.00 0.00
PRECIP DURATION 5
PRECIP BEGIN 6 PM
PRECIP END 4 AM
MIXING HGT(FT-AGL) 6090(UNST) 4530(UNST)
TRANSPORT WND (MPH) NW 22 NW 6
VENT RATE (KT-FT) 115710 22650
CWR 90 0 0 0
KBDI 501-600 501-600 501-600 501-600
REMARKS...NONE.
MEZ110-180815-
BEACHES AND CASCO BAY-
INCLUDING THE CITIES OF KITTERY, YORK, KENNEBUNK, SCARBOROUGH,
PORTLAND, YARMOUTH, FREEPORT, BRUNSWICK, TOPSHAM,
BOOTHBAY HARBOR, AND DAMARISCOTTA
227 PM EDT THU SEP 17 2026
TONIGHT FRI FRI NIGHT SAT
CLOUD COVER MCLDY MCLEAR MCLEAR MCLEAR
PRECIP TYPE TSTMS NONE NONE NONE
CHANCE OF THUNDER (%) 21(LTD) 1 0(NONE) 0(NONE)
CHANCE PRECIP (%) 90 0 0 0
TEMP (24H TREND) 57 (0) 77 (+6) 42 66
RH % (24H TREND) 100 (0) 40 (-36) 84 40
20FTWND - AM(MPH) NW 12 G27 N 5
20FTWND - PM(MPH) LGT/VAR NW 14 G31 NW 12 G26 SW 8 G17
PRECIP AMOUNT 0.47 0.00 0.00 0.00
PRECIP DURATION 6
PRECIP BEGIN 6 PM
PRECIP END 5 AM
MIXING HGT(FT-AGL) 6450(UNST) 4560(UNST)
TRANSPORT WND (MPH) NW 20 NW 7
VENT RATE (KT-FT) 109650 27360
CWR 100 0 0 0
KBDI 501-600 501-600 501-600 501-600
REMARKS...NONE.
MEZ111-180815-
MID-COAST-
INCLUDING THE CITIES OF WALDOBORO, ROCKLAND, CAMDEN,
LINCOLNVILLE, BELFAST, SEARSPORT, ISLESBORO, AND VINALHAVEN
227 PM EDT THU SEP 17 2026
TONIGHT FRI FRI NIGHT SAT
CLOUD COVER MCLDY MCLEAR MCLEAR MCLEAR
PRECIP TYPE TSTMS NONE NONE NONE
CHANCE OF THUNDER (%) 16(LTD) 1 0(NONE) 0(NONE)
CHANCE PRECIP (%) 90 0 0 0
TEMP (24H TREND) 57 (+2) 76 (+7) 42 64
RH % (24H TREND) 100 (0) 40 (-41) 83 44
20FTWND - AM(MPH) NW 12 G27 NW 8 G17
20FTWND - PM(MPH) LGT/VAR NW 14 G31 NW 12 G28 NW 5
PRECIP AMOUNT 0.45 0.00 0.00 0.00
PRECIP DURATION 7
PRECIP BEGIN 6 PM
PRECIP END 5 AM
MIXING HGT(FT-AGL) 6450(UNST) 5180(UNST)
TRANSPORT WND (MPH) NW 23 NW 9
VENT RATE (KT-FT) 129000 41440
CWR 100 0 0 0
KBDI 501-600 501-600 501-600 501-600
REMARKS...NONE.
NHZ021-180815-
COOS COUNTY-
INCLUDING THE CITIES OF ERROL, MILLSFIELD, COLEBROOK, BERLIN,
DUMMER, MILAN, YORK POND, AND LANCASTER
227 PM EDT THU SEP 17 2026
TONIGHT FRI FRI NIGHT SAT
CLOUD COVER MCLDY MCLEAR PCLDY MCLEAR
PRECIP TYPE SHOWERS NONE NONE NONE
CHANCE OF THUNDER (%) 8 1 0(NONE) 0(NONE)
CHANCE PRECIP (%) 40 0 0 0
TEMP (24H TREND) 50 (-4) 63 (-6) 33 61
RH % (24H TREND) 100 (+1) 45 (-26) 97 39
20FTWND - AM(MPH) NW 13 G36 LGT/VAR
20FTWND - PM(MPH) LGT/VAR NW 16 G39 NW 13 G35 LGT/VAR
PRECIP AMOUNT 0.03 0.00 0.00 0.00
PRECIP DURATION 2
PRECIP BEGIN 6 PM
PRECIP END 3 AM
MIXING HGT(FT-AGL) 4790(UNST) 3870(UNST)
TRANSPORT WND (MPH) NW 24 NW 8
VENT RATE (KT-FT) 100590 27090
CWR 10 0 0 0
KBDI 201-300 201-300 201-300 201-300
REMARKS...NONE.
NHZ022-180815-
WHITE MOUNTIANS-
INCLUDING THE CITIES OF LINCOLN, LITTLETON, THORNTON,
WATERVILLE VALLEY, WOODSTOCK, JACKSON, NORTH CONWAY, CONWAY,
AND CRAWFORD NOTCH
227 PM EDT THU SEP 17 2026
TONIGHT FRI FRI NIGHT SAT
CLOUD COVER MCLDY MCLEAR PCLDY MCLEAR
PRECIP TYPE SHOWERS NONE NONE NONE
CHANCE OF THUNDER (%) 12 0(NONE) 0(NONE) 0(NONE)
CHANCE PRECIP (%) 70 0 0 0
TEMP (24H TREND) 53 (-4) 69 (0) 35 63
RH % (24H TREND) 100 (+4) 47 (-30) 94 38
20FTWND - AM(MPH) NW 12 G31 LGT/VAR
20FTWND - PM(MPH) LGT/VAR NW 12 G33 NW 11 G32 LGT/VAR
PRECIP AMOUNT 0.14 0.00 0.00 0.00
PRECIP DURATION 3
PRECIP BEGIN 6 PM
PRECIP END 3 AM
MIXING HGT(FT-AGL) 5320(UNST) 4280(UNST)
TRANSPORT WND (MPH) NW 23 NW 7
VENT RATE (KT-FT) 106400 25680
CWR 30 0 0 0
KBDI 401-500 401-500 401-500 401-500
REMARKS...NONE.
NHZ023-180815-
CENTRAL LAKES-
INCLUDING THE CITIES OF LEBANON, PLYMOUTH, LACONIA, WOLFEBORO,
ALTON, AND OSSIPEE
227 PM EDT THU SEP 17 2026
TONIGHT FRI FRI NIGHT SAT
CLOUD COVER MCLDY MCLEAR PCLDY MCLEAR
PRECIP TYPE TSTMS NONE NONE NONE
CHANCE OF THUNDER (%) 15(LTD) 0(NONE) 0(NONE) 0(NONE)
CHANCE PRECIP (%) 80 0 0 0
TEMP (24H TREND) 56 (-3) 72 (-1) 40 64
RH % (24H TREND) 100 (+4) 47 (-32) 91 38
20FTWND - AM(MPH) NW 11 G23 LGT/VAR
20FTWND - PM(MPH) LGT/VAR NW 12 G27 NW 10 G24 LGT/VAR
PRECIP AMOUNT 0.34 0.00 0.00 0.00
PRECIP DURATION 5
PRECIP BEGIN 6 PM
PRECIP END 3 AM
MIXING HGT(FT-AGL) 5600(UNST) 4320(UNST)
TRANSPORT WND (MPH) NW 22 W 6
VENT RATE (KT-FT) 106400 21600
CWR 90 0 0 0
KBDI 401-500 401-500 401-500 401-500
REMARKS...NONE.
NHZ024-180815-
LAKE SUNAPEE AND MONADNOCKS-
INCLUDING THE CITIES OF CLAREMONT, KEENE, AND JAFFREY
227 PM EDT THU SEP 17 2026
TONIGHT FRI FRI NIGHT SAT
CLOUD COVER MCLDY MCLEAR PCLDY MCLEAR
PRECIP TYPE TSTMS NONE NONE NONE
CHANCE OF THUNDER (%) 21(LTD) 0(NONE) 0(NONE) 0(NONE)
CHANCE PRECIP (%) 90 0 0 0
TEMP (24H TREND) 57 (-2) 72 (-2) 40 65
RH % (24H TREND) 100 (0) 49 (-30) 95 39
20FTWND - AM(MPH) NW 10 G23 LGT/VAR
20FTWND - PM(MPH) LGT/VAR NW 10 G23 NW 9 G19 LGT/VAR
PRECIP AMOUNT 0.31 0.00 0.00 0.00
PRECIP DURATION 4
PRECIP BEGIN 6 PM
PRECIP END 2 AM
MIXING HGT(FT-AGL) 5540(UNST) 4180(UNST)
TRANSPORT WND (MPH) NW 21 NW 6
VENT RATE (KT-FT) 99720 20900
CWR 80 0 0 0
KBDI 301-400 301-400 301-400 301-400
REMARKS...NONE.
NHZ025-180815-
MERRIMACK VALLEY-
INCLUDING THE CITIES OF MANCHESTER, NASHUA, WEARE, AND DERRY
227 PM EDT THU SEP 17 2026
TONIGHT FRI FRI NIGHT SAT
CLOUD COVER MCLDY MCLEAR PCLDY MCLEAR
PRECIP TYPE TSTMS NONE NONE NONE
CHANCE OF THUNDER (%) 19(LTD) 0(NONE) 0(NONE) 0(NONE)
CHANCE PRECIP (%) 90 0 0 0
TEMP (24H TREND) 61 (+1) 75 (-2) 42 67
RH % (24H TREND) 100 (+1) 49 (-27) 90 42
20FTWND - AM(MPH) NW 11 G23 LGT/VAR
20FTWND - PM(MPH) LGT/VAR NW 12 G26 NW 10 G21 LGT/VAR
PRECIP AMOUNT 0.37 0.00 0.00 0.00
PRECIP DURATION 5
PRECIP BEGIN 6 PM
PRECIP END 3 AM
MIXING HGT(FT-AGL) 5890(UNST) 4280(UNST)
TRANSPORT WND (MPH) NW 21 W 5
VENT RATE (KT-FT) 106020 17120
CWR 90 0 0 0
KBDI 401-500 401-500 401-500 401-500
REMARKS...NONE.
NHZ026-180815-
SEACOAST-
INCLUDING THE CITIES OF PORTSMOUTH, DOVER, HAMPTON, AND EXETER
227 PM EDT THU SEP 17 2026
TONIGHT FRI FRI NIGHT SAT
CLOUD COVER MCLDY MCLEAR PCLDY MCLEAR
PRECIP TYPE TSTMS NONE NONE NONE
CHANCE OF THUNDER (%) 21(LTD) 1 0(NONE) 0(NONE)
CHANCE PRECIP (%) 90 0 0 0
TEMP (24H TREND) 61 (+1) 76 (+2) 43 65
RH % (24H TREND) 100 (+1) 45 (-31) 88 43
20FTWND - AM(MPH) NW 9 G20 LGT/VAR
20FTWND - PM(MPH) LGT/VAR NW 11 G25 NW 9 G20 SE 5
PRECIP AMOUNT 0.42 0.00 0.00 0.00
PRECIP DURATION 6
PRECIP BEGIN 6 PM
PRECIP END 4 AM
MIXING HGT(FT-AGL) 5950(UNST) 4380(UNST)
TRANSPORT WND (MPH) NW 20 S 6
VENT RATE (KT-FT) 101150 21900
CWR 100 0 0 0
KBDI 501-600 501-600 501-600 501-600
REMARKS...NONE.
FORECAST FOR DAYS 3 THROUGH 7
SATURDAY NIGHT
PARTLY CLOUDY. LOWS IN THE LOWER 40S. SOUTH
WINDS AROUND 5 MPH.
SUNDAY
MOSTLY CLOUDY WITH A CHANCE OF RAIN. HIGHS AROUND 60.
SOUTH WINDS 5 TO 10 MPH. DAYTIME HUMIDITY VALUES HIGH.
SUNDAY NIGHT
MOSTLY CLOUDY WITH A CHANCE OF RAIN. LOWS IN THE
MID 40S. NORTHWEST WINDS AROUND 5 MPH.
MONDAY
MOSTLY SUNNY. HIGHS IN THE LOWER 60S. NORTH WINDS 5 TO
10 MPH. DAYTIME HUMIDITY VALUES MODERATE.
MONDAY NIGHT
MOSTLY CLOUDY. LOWS IN THE LOWER 40S. NORTH WINDS
AROUND 5 MPH.
TUESDAY
MOSTLY SUNNY. HIGHS AROUND 60. NORTHEAST WINDS 5 TO
10 MPH. DAYTIME HUMIDITY VALUES MODERATE.
TUESDAY NIGHT
PARTLY CLOUDY. LOWS IN THE LOWER 40S. NORTHEAST
WINDS AROUND 5 MPH.
WEDNESDAY
SUNNY. HIGHS AROUND 60. NORTHEAST WINDS 5 TO 10 MPH.
DAYTIME HUMIDITY VALUES MODERATE.
WEDNESDAY NIGHT
PARTLY CLOUDY. LOWS IN THE LOWER 40S.
NORTHEAST WINDS AROUND 5 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 ABOVE NORMAL. PRECIPITATION ABOVE NORMAL.
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