277
FNUS51 KGYX 201828
FWFGYX
FIRE WEATHER PLANNING FORECAST FOR WESTERN MAINE AND NEW HAMPSHIRE
NATIONAL WEATHER SERVICE GRAY ME
228 PM EDT SUN SEP 20 2026
DISCUSSION
A WETTING RAIN WILL CONTINUE FOR MOST AREAS THROUGH TONIGHT ALONG
WITH FOG. 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.
MEZ104-210815-
WESTERN MAINE MOUNTAINS AND FOOTHILLS-
INCLUDING THE CITIES OF FARMINGTON, RUMFORD, BETHEL, EUSTIS,
JACKMAN, AND CARRABASSETT VALLEY
228 PM EDT SUN SEP 20 2026
TONIGHT MON MON NIGHT TUE
CLOUD COVER MCLDY PCLDY MCLDY PCLDY
PRECIP TYPE SHOWERS NONE NONE NONE
CHANCE OF THUNDER (%) 2 1 0(NONE) 0(NONE)
CHANCE PRECIP (%) 60 0 0 0
TEMP (24H TREND) 41 (+4) 62 (+9) 35 61
RH % (24H TREND) 100 (+7) 53 (-19) 93 44
20FTWND - AM(MPH) NW 8 G17 LGT/VAR
20FTWND - PM(MPH) S 5 N 9 G19 N 6 NE 5
PRECIP AMOUNT 0.05 0.00 0.00 0.00
PRECIP DURATION 1
PRECIP BEGIN 6 PM
PRECIP END 11 PM
MIXING HGT(FT-AGL) 4650(UNST) 5000(UNST)
TRANSPORT WND (MPH) N 15 NE 9
VENT RATE (KT-FT) 60450 40000
CWR 30 0 0 0
KBDI 301-400 301-400 301-400 301-400
REMARKS...NONE.
MEZ107-210815-
KENNEBEC RIVER VALLEY-
INCLUDING THE CITIES OF AUGUSTA, WATERVILLE, SKOWHEGAN, AUBURN,
LEWISTON, LIBERTY, AND LIVERMORE
228 PM EDT SUN SEP 20 2026
TONIGHT MON MON NIGHT TUE
CLOUD COVER MCLDY PCLDY MCLDY PCLDY
PRECIP TYPE SHOWERS NONE NONE NONE
CHANCE OF THUNDER (%) 3 0(NONE) 0(NONE) 0(NONE)
CHANCE PRECIP (%) 70 0 0 0
TEMP (24H TREND) 42 (+2) 66 (+8) 40 64
RH % (24H TREND) 100 (0) 56 (-16) 90 50
20FTWND - AM(MPH) N 8 G17 N 6
20FTWND - PM(MPH) LGT/VAR N 9 G17 N 6 NE 6
PRECIP AMOUNT 0.06 0.00 0.00 0.00
PRECIP DURATION 2
PRECIP BEGIN 6 PM
PRECIP END 1 AM
MIXING HGT(FT-AGL) 5330(UNST) 5260(UNST)
TRANSPORT WND (MPH) N 15 NE 12
VENT RATE (KT-FT) 69290 52600
CWR 20 0 0 0
KBDI 501-600 501-600 501-600 501-600
REMARKS...NONE.
MEZ109-210815-
LAKES REGION-
INCLUDING THE CITIES OF SANFORD, NORTH WINDHAM, GRAY,
NEW GLOUCESER, FRYEBURG, SOUTH PARIS, AND HIRAM
228 PM EDT SUN SEP 20 2026
TONIGHT MON MON NIGHT TUE
CLOUD COVER MCLDY PCLDY MCLDY PCLDY
PRECIP TYPE SHOWERS NONE NONE NONE
CHANCE OF THUNDER (%) 2 0(NONE) 0(NONE) 0(NONE)
CHANCE PRECIP (%) 90 0 0 0
TEMP (24H TREND) 42 (+3) 67 (+11) 40 64
RH % (24H TREND) 100 (+1) 52 (-31) 88 48
20FTWND - AM(MPH) N 8 G17 NE 8
20FTWND - PM(MPH) LGT/VAR N 9 G17 N 6 NE 8
PRECIP AMOUNT 0.14 0.00 0.00 0.00
PRECIP DURATION 5
PRECIP BEGIN 6 PM
PRECIP END 3 AM
MIXING HGT(FT-AGL) 4990(UNST) 4980(UNST)
TRANSPORT WND (MPH) N 13 NE 10
VENT RATE (KT-FT) 54890 44820
CWR 50 0 0 0
KBDI 501-600 501-600 501-600 501-600
REMARKS...NONE.
MEZ110-210815-
BEACHES AND CASCO BAY-
INCLUDING THE CITIES OF KITTERY, YORK, KENNEBUNK, SCARBOROUGH,
PORTLAND, YARMOUTH, FREEPORT, BRUNSWICK, TOPSHAM,
BOOTHBAY HARBOR, AND DAMARISCOTTA
228 PM EDT SUN SEP 20 2026
TONIGHT MON MON NIGHT TUE
CLOUD COVER MCLDY PCLDY MCLDY PCLDY
PRECIP TYPE SHOWERS NONE NONE NONE
CHANCE OF THUNDER (%) 3 0(NONE) 0(NONE) 0(NONE)
CHANCE PRECIP (%) 90 0 0 0
TEMP (24H TREND) 44 (+3) 68 (+8) 43 64
RH % (24H TREND) 100 (+2) 53 (-23) 85 47
20FTWND - AM(MPH) N 9 G19 NE 9 G19
20FTWND - PM(MPH) LGT/VAR N 9 G17 N 5 NE 9 G17
PRECIP AMOUNT 0.16 0.00 0.00 0.00
PRECIP DURATION 6
PRECIP BEGIN 6 PM
PRECIP END 4 AM
MIXING HGT(FT-AGL) 5300(UNST) 5090(UNST)
TRANSPORT WND (MPH) N 13 NE 10
VENT RATE (KT-FT) 58300 45810
CWR 40 0 0 0
KBDI 501-600 501-600 501-600 501-600
REMARKS...NONE.
MEZ111-210815-
MID-COAST-
INCLUDING THE CITIES OF WALDOBORO, ROCKLAND, CAMDEN,
LINCOLNVILLE, BELFAST, SEARSPORT, ISLESBORO, AND VINALHAVEN
228 PM EDT SUN SEP 20 2026
TONIGHT MON MON NIGHT TUE
CLOUD COVER MCLDY MCLEAR MCLDY PCLDY
PRECIP TYPE SHOWERS NONE NONE NONE
CHANCE OF THUNDER (%) 2 0(NONE) 0(NONE) 0(NONE)
CHANCE PRECIP (%) 60 0 0 0
TEMP (24H TREND) 44 (+5) 67 (+8) 41 64
RH % (24H TREND) 100 (0) 57 (-14) 85 51
20FTWND - AM(MPH) N 9 G17 N 9 G19
20FTWND - PM(MPH) LGT/VAR N 9 G17 N 6 NE 8 G17
PRECIP AMOUNT 0.06 0.00 0.00 0.00
PRECIP DURATION 3
PRECIP BEGIN 6 PM
PRECIP END 3 AM
MIXING HGT(FT-AGL) 5670(UNST) 5140(UNST)
TRANSPORT WND (MPH) N 15 NE 12
VENT RATE (KT-FT) 73710 51400
CWR 20 0 0 0
KBDI 501-600 501-600 501-600 501-600
REMARKS...NONE.
NHZ021-210815-
COOS COUNTY-
INCLUDING THE CITIES OF ERROL, MILLSFIELD, COLEBROOK, BERLIN,
DUMMER, MILAN, YORK POND, AND LANCASTER
228 PM EDT SUN SEP 20 2026
TONIGHT MON MON NIGHT TUE
CLOUD COVER MCLDY PCLDY MCLDY PCLDY
PRECIP TYPE SHOWERS NONE NONE NONE
CHANCE OF THUNDER (%) 1 2 0(NONE) 0(NONE)
CHANCE PRECIP (%) 60 0 0 0
TEMP (24H TREND) 40 (+5) 59 (+9) 35 62
RH % (24H TREND) 100 (+5) 61 (-15) 96 46
20FTWND - AM(MPH) NW 5 G21 LGT/VAR
20FTWND - PM(MPH) LGT/VAR NW 6 G18 N 5 G17 LGT/VAR
PRECIP AMOUNT 0.07 0.00 0.00 0.00
PRECIP DURATION 1
PRECIP BEGIN 6 PM
PRECIP END 11 PM
MIXING HGT(FT-AGL) 3630(UNST) 5010(UNST)
TRANSPORT WND (MPH) N 14 NE 7
VENT RATE (KT-FT) 43560 30060
CWR 50 0 0 0
KBDI 201-300 201-300 201-300 201-300
REMARKS...NONE.
NHZ022-210815-
WHITE MOUNTIANS-
INCLUDING THE CITIES OF LINCOLN, LITTLETON, THORNTON,
WATERVILLE VALLEY, WOODSTOCK, JACKSON, NORTH CONWAY, CONWAY,
AND CRAWFORD NOTCH
228 PM EDT SUN SEP 20 2026
TONIGHT MON MON NIGHT TUE
CLOUD COVER MCLDY PCLDY MCLDY PCLDY
PRECIP TYPE SHOWERS NONE NONE NONE
CHANCE OF THUNDER (%) 1 1 0(NONE) 0(NONE)
CHANCE PRECIP (%) 80 0 0 0
TEMP (24H TREND) 42 (+5) 63 (+12) 37 63
RH % (24H TREND) 100 (+1) 58 (-24) 95 49
20FTWND - AM(MPH) N 6 G19 LGT/VAR
20FTWND - PM(MPH) LGT/VAR N 6 N 6 G19 LGT/VAR
PRECIP AMOUNT 0.11 0.00 0.00 0.00
PRECIP DURATION 2
PRECIP BEGIN 6 PM
PRECIP END 11 PM
MIXING HGT(FT-AGL) 4160(UNST) 5000(UNST)
TRANSPORT WND (MPH) N 13 NE 8
VENT RATE (KT-FT) 45760 35000
CWR 80 0 0 0
KBDI 401-500 401-500 401-500 401-500
REMARKS...NONE.
NHZ023-210815-
CENTRAL LAKES-
INCLUDING THE CITIES OF LEBANON, PLYMOUTH, LACONIA, WOLFEBORO,
ALTON, AND OSSIPEE
228 PM EDT SUN SEP 20 2026
TONIGHT MON MON NIGHT TUE
CLOUD COVER MCLDY PCLDY MCLDY PCLDY
PRECIP TYPE SHOWERS NONE NONE NONE
CHANCE OF THUNDER (%) 1 0(NONE) 0(NONE) 0(NONE)
CHANCE PRECIP (%) 90 0 0 0
TEMP (24H TREND) 44 (+4) 66 (+12) 42 62
RH % (24H TREND) 100 (+1) 57 (-28) 91 52
20FTWND - AM(MPH) N 5 NE 6
20FTWND - PM(MPH) LGT/VAR N 6 N 5 NE 6
PRECIP AMOUNT 0.16 0.00 0.00 0.00
PRECIP DURATION 5
PRECIP BEGIN 6 PM
PRECIP END 1 AM
MIXING HGT(FT-AGL) 4830(UNST) 4940(UNST)
TRANSPORT WND (MPH) N 10 NE 10
VENT RATE (KT-FT) 43470 44460
CWR 80 0 0 0
KBDI 401-500 401-500 401-500 401-500
REMARKS...NONE.
NHZ024-210815-
LAKE SUNAPEE AND MONADNOCKS-
INCLUDING THE CITIES OF CLAREMONT, KEENE, AND JAFFREY
228 PM EDT SUN SEP 20 2026
TONIGHT MON MON NIGHT TUE
CLOUD COVER MCLDY PCLDY MCLDY MCLDY
PRECIP TYPE SHOWERS NONE NONE NONE
CHANCE OF THUNDER (%) 1 0(NONE) 0(NONE) 0(NONE)
CHANCE PRECIP (%) 100 0 0 0
TEMP (24H TREND) 44 (+1) 64 (+10) 41 61
RH % (24H TREND) 100 (+1) 61 (-25) 94 56
20FTWND - AM(MPH) N 6 NE 5
20FTWND - PM(MPH) LGT/VAR N 6 LGT/VAR NE 5
PRECIP AMOUNT 0.19 0.00 0.00 0.00
PRECIP DURATION 5
PRECIP BEGIN 6 PM
PRECIP END 12 AM
MIXING HGT(FT-AGL) 4400(UNST) 5000(UNST)
TRANSPORT WND (MPH) N 12 NE 12
VENT RATE (KT-FT) 44000 50000
CWR 90 0 0 0
KBDI 301-400 301-400 301-400 301-400
REMARKS...NONE.
NHZ025-210815-
MERRIMACK VALLEY-
INCLUDING THE CITIES OF MANCHESTER, NASHUA, WEARE, AND DERRY
228 PM EDT SUN SEP 20 2026
TONIGHT MON MON NIGHT TUE
CLOUD COVER MCLDY PCLDY MCLDY MCLDY
PRECIP TYPE SHOWERS NONE NONE NONE
CHANCE OF THUNDER (%) 2 0(NONE) 0(NONE) 0(NONE)
CHANCE PRECIP (%) 100 0 0 0
TEMP (24H TREND) 47 (+5) 68 (+11) 44 63
RH % (24H TREND) 100 (0) 61 (-20) 90 58
20FTWND - AM(MPH) N 5 NE 6
20FTWND - PM(MPH) LGT/VAR N 5 LGT/VAR NE 6
PRECIP AMOUNT 0.23 0.00 0.00 0.00
PRECIP DURATION 6
PRECIP BEGIN 6 PM
PRECIP END 3 AM
MIXING HGT(FT-AGL) 5020(UNST) 4940(UNST)
TRANSPORT WND (MPH) N 10 NE 13
VENT RATE (KT-FT) 45180 54340
CWR 80 0 0 0
KBDI 401-500 401-500 401-500 401-500
REMARKS...NONE.
NHZ026-210815-
SEACOAST-
INCLUDING THE CITIES OF PORTSMOUTH, DOVER, HAMPTON, AND EXETER
228 PM EDT SUN SEP 20 2026
TONIGHT MON MON NIGHT TUE
CLOUD COVER MCLDY PCLDY MCLDY PCLDY
PRECIP TYPE SHOWERS NONE NONE NONE
CHANCE OF THUNDER (%) 2 0(NONE) 0(NONE) 0(NONE)
CHANCE PRECIP (%) 100 0 0 0
TEMP (24H TREND) 47 (+1) 68 (+8) 45 61
RH % (24H TREND) 100 (+5) 57 (-19) 89 55
20FTWND - AM(MPH) N 8 NE 9 G19
20FTWND - PM(MPH) E 5 NE 6 LGT/VAR NE 9 G19
PRECIP AMOUNT 0.26 0.00 0.00 0.00
PRECIP DURATION 6
PRECIP BEGIN 6 PM
PRECIP END 4 AM
MIXING HGT(FT-AGL) 5100(UNST) 4750(UNST)
TRANSPORT WND (MPH) N 10 NE 14
VENT RATE (KT-FT) 45900 57000
CWR 80 0 0 0
KBDI 501-600 501-600 501-600 501-600
REMARKS...NONE.
FORECAST FOR DAYS 3 THROUGH 7
TUESDAY NIGHT
PARTLY CLOUDY. LOWS IN THE LOWER 40S. NORTHEAST
WINDS AROUND 5 MPH.
WEDNESDAY
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 MID 60S. NORTHEAST WINDS
5 TO 10 MPH. DAYTIME HUMIDITY VALUES MODERATE.
THURSDAY NIGHT
MOSTLY CLOUDY. LOWS IN THE LOWER 40S. NORTH
WINDS 5 TO 10 MPH.
FRIDAY
PARTLY SUNNY. HIGHS IN THE MID 60S. NORTHEAST WINDS
5 TO 10 MPH. DAYTIME HUMIDITY VALUES MODERATE.
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.
SATURDAY NIGHT
MOSTLY CLOUDY. LOWS IN THE UPPER 40S. NORTH
WINDS 10 TO 15 MPH.
SUNDAY
PARTLY SUNNY. HIGHS IN THE UPPER 60S. NORTHEAST WINDS
10 TO 15 MPH. DAYTIME HUMIDITY VALUES MODERATE.
OUTLOOK 8 TO 14 DAYS
TEMPERATURES ABOVE NORMAL. PRECIPITATION NEAR NORMAL.
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