193
FNUS51 KGYX 210657
FWFGYX
FIRE WEATHER PLANNING FORECAST FOR WESTERN MAINE AND NEW HAMPSHIRE
NATIONAL WEATHER SERVICE GRAY ME
257 AM EDT MON SEP 21 2026
DISCUSSION
DRY THROUGH THURSDAY WITH TEMPERATURES BELOW NORMAL. DAILY WINDS
WILL GENERALLY BE 5 TO 12 MPH MIXING DRIER AIR TO THE SURFACE
WHERE DAYTIME RH VALUES COULD FALL INTO THE UPPER 30S TO LOW 40S.
WINDS BECOME CALM OVERNIGHT WITH GREAT RH RECOVERY. THE NEXT
CHANCE FOR MEASURABLE RAINFALL COMES LATE WEEK AS LOW PRESSURE
APPROACHES SOUTHERN NEW ENGLAND.
MEZ104-212030-
WESTERN MAINE MOUNTAINS AND FOOTHILLS-
INCLUDING THE CITIES OF FARMINGTON, RUMFORD, BETHEL, EUSTIS,
JACKMAN, AND CARRABASSETT VALLEY
257 AM EDT MON SEP 21 2026
TODAY TONIGHT TUE
CLOUD COVER PCLDY PCLDY MCLEAR
PRECIP TYPE NONE NONE NONE
CHANCE OF THUNDER (%) 1 0(NONE) 0(NONE)
CHANCE PRECIP (%) 0 0 0
TEMP (24H TREND) 61 (+9) 33 (-9) 61
RH % (24H TREND) 48 (-24) 100 (0) 39
20FTWND - AM(MPH) NW 9 G24 N 5
20FTWND - PM(MPH) N 9 G24 N 6 G20 NE 6
PRECIP AMOUNT 0.00 0.00 0.00
PRECIP DURATION
PRECIP BEGIN
PRECIP END
MIXING HGT(FT-AGL) 4590(UNST) 5110(UNST)
TRANSPORT WND (MPH) N 14 NE 10
VENT RATE (KT-FT) 55080 45990
CWR 0 0 0
KBDI 301-400 301-400 301-400
REMARKS...NONE.
MEZ107-212030-
KENNEBEC RIVER VALLEY-
INCLUDING THE CITIES OF AUGUSTA, WATERVILLE, SKOWHEGAN, AUBURN,
LEWISTON, LIBERTY, AND LIVERMORE
257 AM EDT MON SEP 21 2026
TODAY TONIGHT TUE
CLOUD COVER PCLDY PCLDY MCLEAR
PRECIP TYPE NONE NONE NONE
CHANCE OF THUNDER (%) 0(NONE) 0(NONE) 0(NONE)
CHANCE PRECIP (%) 0 0 0
TEMP (24H TREND) 65 (+8) 40 (-4) 63
RH % (24H TREND) 54 (-18) 98 (-2) 47
20FTWND - AM(MPH) N 9 G17 N 6
20FTWND - PM(MPH) N 9 G19 N 6 NE 8
PRECIP AMOUNT 0.00 0.00 0.00
PRECIP DURATION
PRECIP BEGIN
PRECIP END
MIXING HGT(FT-AGL) 5340(UNST) 5440(UNST)
TRANSPORT WND (MPH) N 14 NE 12
VENT RATE (KT-FT) 64080 54400
CWR 0 0 0
KBDI 501-600 501-600 501-600
REMARKS...NONE.
MEZ109-212030-
LAKES REGION-
INCLUDING THE CITIES OF SANFORD, NORTH WINDHAM, GRAY,
NEW GLOUCESER, FRYEBURG, SOUTH PARIS, AND HIRAM
257 AM EDT MON SEP 21 2026
TODAY TONIGHT TUE
CLOUD COVER PCLDY PCLDY PCLDY
PRECIP TYPE NONE NONE NONE
CHANCE OF THUNDER (%) 0(NONE) 0(NONE) 0(NONE)
CHANCE PRECIP (%) 0 0 0
TEMP (24H TREND) 66 (+11) 40 (-4) 64
RH % (24H TREND) 53 (-30) 99 (-1) 48
20FTWND - AM(MPH) N 9 G19 NE 8
20FTWND - PM(MPH) N 9 G19 N 5 NE 8
PRECIP AMOUNT 0.00 0.00 0.00
PRECIP DURATION
PRECIP BEGIN
PRECIP END
MIXING HGT(FT-AGL) 5010(UNST) 5370(UNST)
TRANSPORT WND (MPH) N 12 NE 10
VENT RATE (KT-FT) 50100 48330
CWR 0 0 0
KBDI 501-600 501-600 501-600
REMARKS...NONE.
MEZ110-212030-
BEACHES AND CASCO BAY-
INCLUDING THE CITIES OF KITTERY, YORK, KENNEBUNK, SCARBOROUGH,
PORTLAND, YARMOUTH, FREEPORT, BRUNSWICK, TOPSHAM,
BOOTHBAY HARBOR, AND DAMARISCOTTA
257 AM EDT MON SEP 21 2026
TODAY TONIGHT TUE
CLOUD COVER PCLDY PCLDY PCLDY
PRECIP TYPE NONE NONE NONE
CHANCE OF THUNDER (%) 0(NONE) 0(NONE) 0(NONE)
CHANCE PRECIP (%) 0 0 0
TEMP (24H TREND) 68 (+8) 43 (-3) 65
RH % (24H TREND) 54 (-22) 92 (-8) 48
20FTWND - AM(MPH) N 10 G19 NE 9 G19
20FTWND - PM(MPH) N 9 G19 N 5 NE 9 G17
PRECIP AMOUNT 0.00 0.00 0.00
PRECIP DURATION
PRECIP BEGIN
PRECIP END
MIXING HGT(FT-AGL) 5370(UNST) 5070(UNST)
TRANSPORT WND (MPH) N 12 NE 12
VENT RATE (KT-FT) 53700 50700
CWR 0 0 0
KBDI 501-600 501-600 501-600
REMARKS...NONE.
MEZ111-212030-
MID-COAST-
INCLUDING THE CITIES OF WALDOBORO, ROCKLAND, CAMDEN,
LINCOLNVILLE, BELFAST, SEARSPORT, ISLESBORO, AND VINALHAVEN
257 AM EDT MON SEP 21 2026
TODAY TONIGHT TUE
CLOUD COVER PCLDY PCLDY MCLEAR
PRECIP TYPE NONE NONE NONE
CHANCE OF THUNDER (%) 0(NONE) 0(NONE) 0(NONE)
CHANCE PRECIP (%) 0 0 0
TEMP (24H TREND) 66 (+7) 42 (-4) 64
RH % (24H TREND) 56 (-15) 92 (-8) 50
20FTWND - AM(MPH) N 9 G17 N 9 G19
20FTWND - PM(MPH) N 9 G19 N 6 NE 9 G17
PRECIP AMOUNT 0.00 0.00 0.00
PRECIP DURATION
PRECIP BEGIN
PRECIP END
MIXING HGT(FT-AGL) 5380(UNST) 5350(UNST)
TRANSPORT WND (MPH) N 13 N 12
VENT RATE (KT-FT) 59180 53500
CWR 0 0 0
KBDI 501-600 501-600 501-600
REMARKS...NONE.
NHZ021-212030-
COOS COUNTY-
INCLUDING THE CITIES OF ERROL, MILLSFIELD, COLEBROOK, BERLIN,
DUMMER, MILAN, YORK POND, AND LANCASTER
257 AM EDT MON SEP 21 2026
TODAY TONIGHT TUE
CLOUD COVER PCLDY PCLDY MCLEAR
PRECIP TYPE NONE NONE NONE
CHANCE OF THUNDER (%) 1 0(NONE) 0(NONE)
CHANCE PRECIP (%) 0 0 0
TEMP (24H TREND) 58 (+9) 33 (-7) 62
RH % (24H TREND) 58 (-18) 100 (0) 43
20FTWND - AM(MPH) NW 8 G25 LGT/VAR
20FTWND - PM(MPH) NW 8 G25 N 6 G21 NE 5 G17
PRECIP AMOUNT 0.00 0.00 0.00
PRECIP DURATION
PRECIP BEGIN
PRECIP END
MIXING HGT(FT-AGL) 3630(UNST) 5140(UNST)
TRANSPORT WND (MPH) N 13 NE 9
VENT RATE (KT-FT) 39930 41120
CWR 0 0 0
KBDI 201-300 201-300 201-300
REMARKS...NONE.
NHZ022-212030-
WHITE MOUNTIANS-
INCLUDING THE CITIES OF LINCOLN, LITTLETON, THORNTON,
WATERVILLE VALLEY, WOODSTOCK, JACKSON, NORTH CONWAY, CONWAY,
AND CRAWFORD NOTCH
257 AM EDT MON SEP 21 2026
TODAY TONIGHT TUE
CLOUD COVER PCLDY PCLDY PCLDY
PRECIP TYPE NONE NONE NONE
CHANCE OF THUNDER (%) 1 0(NONE) 0(NONE)
CHANCE PRECIP (%) 0 0 0
TEMP (24H TREND) 62 (+12) 35 (-7) 63
RH % (24H TREND) 58 (-24) 100 (0) 49
20FTWND - AM(MPH) N 8 G21 LGT/VAR
20FTWND - PM(MPH) N 6 G21 N 6 G20 LGT/VAR
PRECIP AMOUNT 0.00 0.00 0.00
PRECIP DURATION
PRECIP BEGIN
PRECIP END
MIXING HGT(FT-AGL) 3950(UNST) 5240(UNST)
TRANSPORT WND (MPH) N 12 NE 8
VENT RATE (KT-FT) 39500 36680
CWR 0 0 0
KBDI 401-500 401-500 401-500
REMARKS...NONE.
NHZ023-212030-
CENTRAL LAKES-
INCLUDING THE CITIES OF LEBANON, PLYMOUTH, LACONIA, WOLFEBORO,
ALTON, AND OSSIPEE
257 AM EDT MON SEP 21 2026
TODAY TONIGHT TUE
CLOUD COVER PCLDY PCLDY PCLDY
PRECIP TYPE NONE NONE NONE
CHANCE OF THUNDER (%) 0(NONE) 0(NONE) 0(NONE)
CHANCE PRECIP (%) 0 0 0
TEMP (24H TREND) 65 (+11) 42 (-3) 63
RH % (24H TREND) 58 (-27) 97 (-3) 52
20FTWND - AM(MPH) N 6 NE 6
20FTWND - PM(MPH) N 6 N 5 NE 6
PRECIP AMOUNT 0.00 0.00 0.00
PRECIP DURATION
PRECIP BEGIN
PRECIP END
MIXING HGT(FT-AGL) 4750(UNST) 5150(UNST)
TRANSPORT WND (MPH) N 10 NE 10
VENT RATE (KT-FT) 42750 46350
CWR 0 0 0
KBDI 401-500 401-500 401-500
REMARKS...NONE.
NHZ024-212030-
LAKE SUNAPEE AND MONADNOCKS-
INCLUDING THE CITIES OF CLAREMONT, KEENE, AND JAFFREY
257 AM EDT MON SEP 21 2026
TODAY TONIGHT TUE
CLOUD COVER PCLDY PCLDY PCLDY
PRECIP TYPE NONE NONE NONE
CHANCE OF THUNDER (%) 0(NONE) 0(NONE) 0(NONE)
CHANCE PRECIP (%) 0 0 0
TEMP (24H TREND) 65 (+12) 42 (-4) 61
RH % (24H TREND) 62 (-24) 100 (0) 56
20FTWND - AM(MPH) N 6 NE 5
20FTWND - PM(MPH) N 6 LGT/VAR NE 6
PRECIP AMOUNT 0.00 0.00 0.00
PRECIP DURATION
PRECIP BEGIN
PRECIP END
MIXING HGT(FT-AGL) 4280(UNST) 5010(UNST)
TRANSPORT WND (MPH) N 12 NE 12
VENT RATE (KT-FT) 42800 50100
CWR 0 0 0
KBDI 301-400 301-400 301-400
REMARKS...NONE.
NHZ025-212030-
MERRIMACK VALLEY-
INCLUDING THE CITIES OF MANCHESTER, NASHUA, WEARE, AND DERRY
257 AM EDT MON SEP 21 2026
TODAY TONIGHT TUE
CLOUD COVER PCLDY PCLDY PCLDY
PRECIP TYPE NONE NONE NONE
CHANCE OF THUNDER (%) 0(NONE) 0(NONE) 0(NONE)
CHANCE PRECIP (%) 0 0 0
TEMP (24H TREND) 68 (+10) 45 (-3) 62
RH % (24H TREND) 60 (-21) 95 (-5) 58
20FTWND - AM(MPH) N 6 NE 6
20FTWND - PM(MPH) N 5 LGT/VAR NE 6
PRECIP AMOUNT 0.00 0.00 0.00
PRECIP DURATION
PRECIP BEGIN
PRECIP END
MIXING HGT(FT-AGL) 5120(UNST) 4950(UNST)
TRANSPORT WND (MPH) N 9 NE 13
VENT RATE (KT-FT) 40960 54450
CWR 0 0 0
KBDI 401-500 401-500 401-500
REMARKS...NONE.
NHZ026-212030-
SEACOAST-
INCLUDING THE CITIES OF PORTSMOUTH, DOVER, HAMPTON, AND EXETER
257 AM EDT MON SEP 21 2026
TODAY TONIGHT TUE
CLOUD COVER PCLDY PCLDY PCLDY
PRECIP TYPE NONE NONE NONE
CHANCE OF THUNDER (%) 0(NONE) 0(NONE) 0(NONE)
CHANCE PRECIP (%) 0 0 0
TEMP (24H TREND) 68 (+7) 46 (-4) 62
RH % (24H TREND) 57 (-19) 93 (-7) 54
20FTWND - AM(MPH) N 8 G17 NE 9 G19
20FTWND - PM(MPH) NE 6 LGT/VAR NE 10 G21
PRECIP AMOUNT 0.00 0.00 0.00
PRECIP DURATION
PRECIP BEGIN
PRECIP END
MIXING HGT(FT-AGL) 5170(UNST) 4690(UNST)
TRANSPORT WND (MPH) N 10 NE 14
VENT RATE (KT-FT) 46530 56280
CWR 0 0 0
KBDI 501-600 501-600 501-600
REMARKS...NONE.
FORECAST FOR DAYS 3 THROUGH 7
TUESDAY NIGHT
MOSTLY CLEAR. LOWS IN THE UPPER 30S. NORTHEAST
WINDS 5 TO 10 MPH.
WEDNESDAY
SUNNY. HIGHS IN THE LOWER 60S. NORTHEAST WINDS 5 TO
10 MPH. DAYTIME HUMIDITY VALUES MODERATE.
WEDNESDAY NIGHT
MOSTLY CLEAR. 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. NORTHEAST
WINDS 5 TO 10 MPH.
FRIDAY
MOSTLY CLOUDY. HIGHS IN THE MID 60S. NORTHEAST WINDS
10 TO 15 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
LOWER 60S. NORTH WINDS 15 TO 20 MPH. DAYTIME HUMIDITY VALUES
HIGH.
SATURDAY NIGHT
MOSTLY CLOUDY WITH A CHANCE OF SHOWERS. LOWS IN
THE UPPER 40S. NORTH WINDS 10 TO 15 MPH.
SUNDAY
PARTLY SUNNY WITH A CHANCE OF SHOWERS. HIGHS IN THE MID
60S. NORTHEAST WINDS 10 TO 15 MPH. DAYTIME HUMIDITY VALUES HIGH.
OUTLOOK 8 TO 14 DAYS
TEMPERATURES ABOVE NORMAL. PRECIPITATION NEAR NORMAL.
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