763
FNUS51 KGYX 200716
FWFGYX
FIRE WEATHER PLANNING FORECAST FOR WESTERN MAINE AND NEW HAMPSHIRE
NATIONAL WEATHER SERVICE GRAY ME
316 AM EDT SUN SEP 20 2026
DISCUSSION
A WETTING RAIN IS FORECAST FOR MOST OF NEW HAMPSHIRE AND SOUTHERN
MAINE THIS AFTERNOON AND EVENING. LESSER AMOUNTS ARE FORECAST
TOWARDS CENTRAL MAINE AND THE UPPER KENNEBEC VALLEY. EARLY NEXT
WEEK LOOKS MOSTLY DRY AS HIGH PRESSURE SLOWLY MOVES THROUGH THE
REGION FROM THE GREAT LAKES. BELOW NORMAL TEMPERATURES APPEAR
LIKELY DURING THIS PERIOD.
MEZ104-202115-
WESTERN MAINE MOUNTAINS AND FOOTHILLS-
INCLUDING THE CITIES OF FARMINGTON, RUMFORD, BETHEL, EUSTIS,
JACKMAN, AND CARRABASSETT VALLEY
316 AM EDT SUN SEP 20 2026
TODAY TONIGHT MON
CLOUD COVER MCLDY MCLDY PCLDY
PRECIP TYPE SHOWERS SHOWERS NONE
CHANCE OF THUNDER (%) 2 2 1
CHANCE PRECIP (%) 60 50 0
TEMP (24H TREND) 57 (-5) 39 (+1) 62
RH % (24H TREND) 61 (+23) 100 (+13) 47
20FTWND - AM(MPH) S 9 G19 NW 8 G24
20FTWND - PM(MPH) S 9 G19 S 5 N 9 G25
PRECIP AMOUNT 0.06 0.04 0.00
PRECIP DURATION 3 2
PRECIP BEGIN 12 PM CONTINUING
PRECIP END CONTINUING 12 AM
MIXING HGT(FT-AGL) 3340(UNST) 5270(UNST)
TRANSPORT WND (MPH) S 15 N 14
VENT RATE (KT-FT) 43420 63240
CWR 20 20 0
KBDI 301-400 301-400 301-400
REMARKS...NONE.
MEZ107-202115-
KENNEBEC RIVER VALLEY-
INCLUDING THE CITIES OF AUGUSTA, WATERVILLE, SKOWHEGAN, AUBURN,
LEWISTON, LIBERTY, AND LIVERMORE
316 AM EDT SUN SEP 20 2026
TODAY TONIGHT MON
CLOUD COVER MCLDY MCLDY PCLDY
PRECIP TYPE SHOWERS SHOWERS NONE
CHANCE OF THUNDER (%) 3 3 0(NONE)
CHANCE PRECIP (%) 50 50 0
TEMP (24H TREND) 61 (-5) 41 (0) 66
RH % (24H TREND) 66 (+30) 100 (+1) 52
20FTWND - AM(MPH) S 10 G19 N 9 G19
20FTWND - PM(MPH) S 10 G19 LGT/VAR N 9 G19
PRECIP AMOUNT 0.04 0.05 0.00
PRECIP DURATION 3 3
PRECIP BEGIN 1 PM CONTINUING
PRECIP END CONTINUING 2 AM
MIXING HGT(FT-AGL) 4070(UNST) 5810(UNST)
TRANSPORT WND (MPH) S 14 N 14
VENT RATE (KT-FT) 48840 69720
CWR 20 20 0
KBDI 501-600 501-600 501-600
REMARKS...NONE.
MEZ109-202115-
LAKES REGION-
INCLUDING THE CITIES OF SANFORD, NORTH WINDHAM, GRAY,
NEW GLOUCESER, FRYEBURG, SOUTH PARIS, AND HIRAM
316 AM EDT SUN SEP 20 2026
TODAY TONIGHT MON
CLOUD COVER MCLDY MCLDY PCLDY
PRECIP TYPE SHOWERS SHOWERS NONE
CHANCE OF THUNDER (%) 3 2 0(NONE)
CHANCE PRECIP (%) 80 80 0
TEMP (24H TREND) 60 (-6) 41 (0) 67
RH % (24H TREND) 68 (+35) 100 (+1) 49
20FTWND - AM(MPH) S 8 G17 N 9 G21
20FTWND - PM(MPH) S 8 G17 LGT/VAR N 9 G19
PRECIP AMOUNT 0.13 0.13 0.00
PRECIP DURATION 4 5
PRECIP BEGIN 11 AM CONTINUING
PRECIP END CONTINUING 2 AM
MIXING HGT(FT-AGL) 3030(UNST) 5360(UNST)
TRANSPORT WND (MPH) S 10 N 12
VENT RATE (KT-FT) 27270 53600
CWR 50 50 0
KBDI 501-600 501-600 501-600
REMARKS...NONE.
MEZ110-202115-
BEACHES AND CASCO BAY-
INCLUDING THE CITIES OF KITTERY, YORK, KENNEBUNK, SCARBOROUGH,
PORTLAND, YARMOUTH, FREEPORT, BRUNSWICK, TOPSHAM,
BOOTHBAY HARBOR, AND DAMARISCOTTA
316 AM EDT SUN SEP 20 2026
TODAY TONIGHT MON
CLOUD COVER MCLDY MCLDY PCLDY
PRECIP TYPE SHOWERS SHOWERS NONE
CHANCE OF THUNDER (%) 3 3 0(NONE)
CHANCE PRECIP (%) 70 70 0
TEMP (24H TREND) 62 (-3) 43 (-1) 68
RH % (24H TREND) 62 (+23) 100 (+4) 51
20FTWND - AM(MPH) S 11 G21 N 11 G21
20FTWND - PM(MPH) S 10 G21 LGT/VAR N 10 G19
PRECIP AMOUNT 0.07 0.14 0.00
PRECIP DURATION 2 5
PRECIP BEGIN 12 PM CONTINUING
PRECIP END CONTINUING 3 AM
MIXING HGT(FT-AGL) 3420(UNST) 5390(UNST)
TRANSPORT WND (MPH) S 13 N 12
VENT RATE (KT-FT) 37620 53900
CWR 30 30 0
KBDI 501-600 501-600 501-600
REMARKS...NONE.
MEZ111-202115-
MID-COAST-
INCLUDING THE CITIES OF WALDOBORO, ROCKLAND, CAMDEN,
LINCOLNVILLE, BELFAST, SEARSPORT, ISLESBORO, AND VINALHAVEN
316 AM EDT SUN SEP 20 2026
TODAY TONIGHT MON
CLOUD COVER MCLDY MCLDY PCLDY
PRECIP TYPE SHOWERS SHOWERS NONE
CHANCE OF THUNDER (%) 2 2 0(NONE)
CHANCE PRECIP (%) 30 40 0
TEMP (24H TREND) 61 (-3) 43 (-1) 67
RH % (24H TREND) 65 (+22) 100 (+1) 54
20FTWND - AM(MPH) S 11 G21 N 10 G19
20FTWND - PM(MPH) S 11 G23 LGT/VAR N 9 G19
PRECIP AMOUNT 0.01 0.04 0.00
PRECIP DURATION 1 2
PRECIP BEGIN 2 PM CONTINUING
PRECIP END CONTINUING 3 AM
MIXING HGT(FT-AGL) 3880(UNST) 5930(UNST)
TRANSPORT WND (MPH) S 14 N 14
VENT RATE (KT-FT) 46560 71160
CWR 10 0
KBDI 501-600 501-600 501-600
REMARKS...NONE.
NHZ021-202115-
COOS COUNTY-
INCLUDING THE CITIES OF ERROL, MILLSFIELD, COLEBROOK, BERLIN,
DUMMER, MILAN, YORK POND, AND LANCASTER
316 AM EDT SUN SEP 20 2026
TODAY TONIGHT MON
CLOUD COVER MCLDY MCLDY PCLDY
PRECIP TYPE SHOWERS SHOWERS NONE
CHANCE OF THUNDER (%) 2 0(NONE) 1
CHANCE PRECIP (%) 80 60 0
TEMP (24H TREND) 56 (-5) 38 (+3) 59
RH % (24H TREND) 64 (+23) 100 (+12) 54
20FTWND - AM(MPH) S 6 G19 NW 8 G26
20FTWND - PM(MPH) S 6 G18 LGT/VAR NW 9 G27
PRECIP AMOUNT 0.12 0.07 0.00
PRECIP DURATION 6 2
PRECIP BEGIN 10 AM CONTINUING
PRECIP END CONTINUING 12 AM
MIXING HGT(FT-AGL) 2390(MRGL) 4220(UNST)
TRANSPORT WND (MPH) S 13 N 13
VENT RATE (KT-FT) 26290 46420
CWR 50 50 0
KBDI 201-300 201-300 201-300
REMARKS...NONE.
NHZ022-202115-
WHITE MOUNTIANS-
INCLUDING THE CITIES OF LINCOLN, LITTLETON, THORNTON,
WATERVILLE VALLEY, WOODSTOCK, JACKSON, NORTH CONWAY, CONWAY,
AND CRAWFORD NOTCH
316 AM EDT SUN SEP 20 2026
TODAY TONIGHT MON
CLOUD COVER MCLDY MCLDY PCLDY
PRECIP TYPE SHOWERS SHOWERS NONE
CHANCE OF THUNDER (%) 3 1 0(NONE)
CHANCE PRECIP (%) 90 80 0
TEMP (24H TREND) 55 (-8) 41 (+3) 64
RH % (24H TREND) 71 (+34) 100 (+4) 54
20FTWND - AM(MPH) S 5 G18 N 8 G25
20FTWND - PM(MPH) S 5 G18 LGT/VAR N 8 G25
PRECIP AMOUNT 0.19 0.10 0.00
PRECIP DURATION 6 3
PRECIP BEGIN 10 AM CONTINUING
PRECIP END CONTINUING 1 AM
MIXING HGT(FT-AGL) 1850(MRGL) 4850(UNST)
TRANSPORT WND (MPH) S 9 N 10
VENT RATE (KT-FT) 14800 43650
CWR 80 80 0
KBDI 301-400 301-400 401-500
REMARKS...NONE.
NHZ023-202115-
CENTRAL LAKES-
INCLUDING THE CITIES OF LEBANON, PLYMOUTH, LACONIA, WOLFEBORO,
ALTON, AND OSSIPEE
316 AM EDT SUN SEP 20 2026
TODAY TONIGHT MON
CLOUD COVER MCLDY MCLDY PCLDY
PRECIP TYPE SHOWERS SHOWERS NONE
CHANCE OF THUNDER (%) 3 1 0(NONE)
CHANCE PRECIP (%) 90 90 0
TEMP (24H TREND) 56 (-7) 43 (+4) 66
RH % (24H TREND) 76 (+39) 100 (+1) 53
20FTWND - AM(MPH) SE 5 N 6
20FTWND - PM(MPH) SE 5 LGT/VAR N 6
PRECIP AMOUNT 0.18 0.16 0.00
PRECIP DURATION 6 5
PRECIP BEGIN 9 AM CONTINUING
PRECIP END CONTINUING 2 AM
MIXING HGT(FT-AGL) 2100(MRGL) 4980(UNST)
TRANSPORT WND (MPH) S 8 N 9
VENT RATE (KT-FT) 14700 39840
CWR 80 80 0
KBDI 401-500 401-500 401-500
REMARKS...NONE.
NHZ024-202115-
LAKE SUNAPEE AND MONADNOCKS-
INCLUDING THE CITIES OF CLAREMONT, KEENE, AND JAFFREY
316 AM EDT SUN SEP 20 2026
TODAY TONIGHT MON
CLOUD COVER MCLDY CLOUDY PCLDY
PRECIP TYPE SHOWERS SHOWERS NONE
CHANCE OF THUNDER (%) 3 1 0(NONE)
CHANCE PRECIP (%) 90 90 0
TEMP (24H TREND) 56 (-5) 43 (+1) 65
RH % (24H TREND) 83 (+42) 100 (+1) 58
20FTWND - AM(MPH) LGT/VAR N 6
20FTWND - PM(MPH) SE 5 LGT/VAR N 6
PRECIP AMOUNT 0.18 0.19 0.00
PRECIP DURATION 6 5
PRECIP BEGIN 9 AM CONTINUING
PRECIP END CONTINUING 2 AM
MIXING HGT(FT-AGL) 1480(MRGL) 4730(UNST)
TRANSPORT WND (MPH) SE 9 N 12
VENT RATE (KT-FT) 11840 47300
CWR 80 80 0
KBDI 301-400 301-400 301-400
REMARKS...NONE.
NHZ025-202115-
MERRIMACK VALLEY-
INCLUDING THE CITIES OF MANCHESTER, NASHUA, WEARE, AND DERRY
316 AM EDT SUN SEP 20 2026
TODAY TONIGHT MON
CLOUD COVER MCLDY CLOUDY PCLDY
PRECIP TYPE SHOWERS SHOWERS NONE
CHANCE OF THUNDER (%) 3 2 0(NONE)
CHANCE PRECIP (%) 90 90 0
TEMP (24H TREND) 59 (-4) 46 (+5) 68
RH % (24H TREND) 76 (+36) 100 (0) 59
20FTWND - AM(MPH) LGT/VAR N 6
20FTWND - PM(MPH) LGT/VAR LGT/VAR N 6
PRECIP AMOUNT 0.15 0.22 0.00
PRECIP DURATION 4 6
PRECIP BEGIN 11 AM CONTINUING
PRECIP END CONTINUING 3 AM
MIXING HGT(FT-AGL) 2260(MRGL) 5420(UNST)
TRANSPORT WND (MPH) S 8 N 9
VENT RATE (KT-FT) 15820 43360
CWR 70 70 0
KBDI 401-500 401-500 401-500
REMARKS...NONE.
NHZ026-202115-
SEACOAST-
INCLUDING THE CITIES OF PORTSMOUTH, DOVER, HAMPTON, AND EXETER
316 AM EDT SUN SEP 20 2026
TODAY TONIGHT MON
CLOUD COVER MCLDY CLOUDY PCLDY
PRECIP TYPE SHOWERS SHOWERS NONE
CHANCE OF THUNDER (%) 2 2 0(NONE)
CHANCE PRECIP (%) 70 90 0
TEMP (24H TREND) 61 (-2) 46 (+2) 68
RH % (24H TREND) 67 (+25) 100 (+1) 56
20FTWND - AM(MPH) SE 5 N 9 G17
20FTWND - PM(MPH) SE 5 LGT/VAR NE 8
PRECIP AMOUNT 0.12 0.25 0.00
PRECIP DURATION 2 7
PRECIP BEGIN 12 PM CONTINUING
PRECIP END CONTINUING 4 AM
MIXING HGT(FT-AGL) 3050(UNST) 5020(UNST)
TRANSPORT WND (MPH) S 10 N 10
VENT RATE (KT-FT) 27450 45180
CWR 50 70 0
KBDI 501-600 501-600 501-600
REMARKS...NONE.
FORECAST FOR DAYS 3 THROUGH 7
MONDAY NIGHT
MOSTLY CLOUDY. LOWS IN THE LOWER 40S. NORTH WINDS
AROUND 5 MPH.
TUESDAY
PARTLY SUNNY. HIGHS IN THE LOWER 60S. NORTHEAST WINDS
5 TO 10 MPH. DAYTIME HUMIDITY VALUES MODERATE.
TUESDAY NIGHT
PARTLY CLOUDY. LOWS IN THE LOWER 40S. NORTHEAST
WINDS 5 TO 10 MPH.
WEDNESDAY
MOSTLY SUNNY. HIGHS IN THE LOWER 60S. 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. NORTHEAST WINDS
5 TO 10 MPH. DAYTIME HUMIDITY VALUES MODERATE.
THURSDAY NIGHT
MOSTLY CLOUDY. LOWS IN THE LOWER 40S. NORTHEAST
WINDS 5 TO 10 MPH.
FRIDAY
PARTLY SUNNY WITH A CHANCE OF SHOWERS. HIGHS IN THE
LOWER 60S. NORTHEAST WINDS 10 TO 15 MPH. DAYTIME HUMIDITY VALUES
HIGH.
FRIDAY NIGHT
MOSTLY CLOUDY WITH A CHANCE OF SHOWERS. LOWS IN
THE MID 40S. NORTH WINDS 10 TO 15 MPH.
SATURDAY
PARTLY SUNNY WITH A CHANCE OF SHOWERS. HIGHS IN THE
MID 60S. NORTH WINDS 10 TO 15 MPH. DAYTIME HUMIDITY VALUES
MODERATE.
OUTLOOK 8 TO 14 DAYS
TEMPERATURES ABOVE NORMAL. PRECIPITATION NEAR NORMAL.
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