896
FNUS51 KGYX 200650
FWFGYX
FIRE WEATHER PLANNING FORECAST FOR WESTERN MAINE AND NEW HAMPSHIRE
NATIONAL WEATHER SERVICE GRAY ME
250 AM EDT THU AUG 20 2026
DISCUSSION
MOSTLY DRY CONDITIONS ARE EXPECTED THROUGH FRIDAY WITH THE
EXCEPTION OF SHOWER CHANCES ACROSS SOUTHERN NEW HAMPSHIRE. MIN RH
GENERALLY STAYS ABOVE 40 PERCENT WITH GOOD RECOVERY AT NIGHT. LOW
PRESSURE BRINGS CHANCES FOR RAIN SATURDAY AND SATURDAY NIGHT WITH
WETTING RAINFALL LIKELY ALONG AND SOUTH OF THE MOUNTAINS. ANOTHER
SYSTEM CROSSES SUNDAY AND SUNDAY NIGHT BRINGING POTENTIAL FOR
WETTING RAINFALL. DRIER CONDITIONS RETURN EARLY NEXT WEEK WITH
SOME LINGERING SHOWERS POSSIBLE ON MONDAY.
MEZ104-202030-
WESTERN MAINE MOUNTAINS AND FOOTHILLS-
INCLUDING THE CITIES OF FARMINGTON, RUMFORD, BETHEL, EUSTIS,
JACKMAN, AND CARRABASSETT VALLEY
250 AM EDT THU AUG 20 2026
TODAY TONIGHT FRI
CLOUD COVER PCLDY PCLDY MCLEAR
PRECIP TYPE NONE NONE NONE
CHANCE OF THUNDER (%) 1 1 0(NONE)
CHANCE PRECIP (%) 0 0 0
TEMP (24H TREND) 77 (0) 47 (-9) 78
RH % (24H TREND) 46 (-5) 98 (+2) 40
20FTWND - AM(MPH) NW 6 LGT/VAR
20FTWND - PM(MPH) W 6 LGT/VAR LGT/VAR
PRECIP AMOUNT 0.00 0.00 0.00
PRECIP DURATION
PRECIP BEGIN
PRECIP END
MIXING HGT(FT-AGL) 6530(UNST) 7190(UNST)
TRANSPORT WND (MPH) W 12 W 9
VENT RATE (KT-FT) 65300 57520
CWR 0 0 0
KBDI 201-300 201-300 201-300
REMARKS...NONE.
MEZ107-202030-
KENNEBEC RIVER VALLEY-
INCLUDING THE CITIES OF AUGUSTA, WATERVILLE, SKOWHEGAN, AUBURN,
LEWISTON, LIBERTY, AND LIVERMORE
250 AM EDT THU AUG 20 2026
TODAY TONIGHT FRI
CLOUD COVER PCLDY PCLDY MCLEAR
PRECIP TYPE NONE NONE NONE
CHANCE OF THUNDER (%) 1 1 0(NONE)
CHANCE PRECIP (%) 0 0 0
TEMP (24H TREND) 81 (-1) 53 (-7) 80
RH % (24H TREND) 49 (-5) 94 (-4) 44
20FTWND - AM(MPH) LGT/VAR LGT/VAR
20FTWND - PM(MPH) LGT/VAR LGT/VAR LGT/VAR
PRECIP AMOUNT 0.00 0.00 0.00
PRECIP DURATION
PRECIP BEGIN
PRECIP END
MIXING HGT(FT-AGL) 6750(UNST) 7570(UNST)
TRANSPORT WND (MPH) W 10 NW 7
VENT RATE (KT-FT) 60750 45420
CWR 0 0 0
KBDI 401-500 401-500 401-500
REMARKS...NONE.
MEZ109-202030-
LAKES REGION-
INCLUDING THE CITIES OF SANFORD, NORTH WINDHAM, GRAY,
NEW GLOUCESER, FRYEBURG, SOUTH PARIS, AND HIRAM
250 AM EDT THU AUG 20 2026
TODAY TONIGHT FRI
CLOUD COVER PCLDY PCLDY MCLEAR
PRECIP TYPE NONE NONE NONE
CHANCE OF THUNDER (%) 1 1 0(NONE)
CHANCE PRECIP (%) 0 0 0
TEMP (24H TREND) 83 (0) 53 (-6) 80
RH % (24H TREND) 47 (+1) 93 (+3) 47
20FTWND - AM(MPH) LGT/VAR NE 5
20FTWND - PM(MPH) LGT/VAR LGT/VAR E 6
PRECIP AMOUNT 0.00 0.00 0.00
PRECIP DURATION
PRECIP BEGIN
PRECIP END
MIXING HGT(FT-AGL) 6480(UNST) 7700(UNST)
TRANSPORT WND (MPH) W 9 E 7
VENT RATE (KT-FT) 51840 46200
CWR 0 0 0
KBDI 401-500 401-500 401-500
REMARKS...NONE.
MEZ110-202030-
BEACHES AND CASCO BAY-
INCLUDING THE CITIES OF KITTERY, YORK, KENNEBUNK, SCARBOROUGH,
PORTLAND, YARMOUTH, FREEPORT, BRUNSWICK, TOPSHAM,
BOOTHBAY HARBOR, AND DAMARISCOTTA
250 AM EDT THU AUG 20 2026
TODAY TONIGHT FRI
CLOUD COVER PCLDY PCLDY MCLEAR
PRECIP TYPE NONE SHOWERS NONE
CHANCE OF THUNDER (%) 0(NONE) 1 0(NONE)
CHANCE PRECIP (%) 0 20 0
TEMP (24H TREND) 82 (+4) 57 (-3) 80
RH % (24H TREND) 51 (-17) 94 (0) 49
20FTWND - AM(MPH) LGT/VAR NE 6
20FTWND - PM(MPH) S 6 LGT/VAR E 6
PRECIP AMOUNT 0.00 0.02 0.00
PRECIP DURATION 0
PRECIP BEGIN 7 PM
PRECIP END 11 PM
MIXING HGT(FT-AGL) 5390(UNST) 6100(UNST)
TRANSPORT WND (MPH) SW 6 E 7
VENT RATE (KT-FT) 26950 36600
CWR 0 0
KBDI 501-600 501-600 501-600
REMARKS...NONE.
MEZ111-202030-
MID-COAST-
INCLUDING THE CITIES OF WALDOBORO, ROCKLAND, CAMDEN,
LINCOLNVILLE, BELFAST, SEARSPORT, ISLESBORO, AND VINALHAVEN
250 AM EDT THU AUG 20 2026
TODAY TONIGHT FRI
CLOUD COVER PCLDY PCLDY MCLEAR
PRECIP TYPE NONE NONE NONE
CHANCE OF THUNDER (%) 1 1 0(NONE)
CHANCE PRECIP (%) 0 0 0
TEMP (24H TREND) 81 (+2) 56 (-5) 81
RH % (24H TREND) 53 (-13) 95 (-5) 47
20FTWND - AM(MPH) LGT/VAR N 5
20FTWND - PM(MPH) LGT/VAR LGT/VAR LGT/VAR
PRECIP AMOUNT 0.00 0.00 0.00
PRECIP DURATION
PRECIP BEGIN
PRECIP END
MIXING HGT(FT-AGL) 5540(UNST) 6780(UNST)
TRANSPORT WND (MPH) SW 8 E 6
VENT RATE (KT-FT) 38780 33900
CWR 0 0 0
KBDI 401-500 401-500 401-500
REMARKS...NONE.
NHZ021-202030-
COOS COUNTY-
INCLUDING THE CITIES OF ERROL, MILLSFIELD, COLEBROOK, BERLIN,
DUMMER, MILAN, YORK POND, AND LANCASTER
250 AM EDT THU AUG 20 2026
TODAY TONIGHT FRI
CLOUD COVER MCLDY PCLDY MCLEAR
PRECIP TYPE NONE NONE NONE
CHANCE OF THUNDER (%) 1 0(NONE) 0(NONE)
CHANCE PRECIP (%) 0 0 0
TEMP (24H TREND) 75 (0) 46 (-8) 77
RH % (24H TREND) 47 (-7) 98 (0) 40
20FTWND - AM(MPH) LGT/VAR LGT/VAR
20FTWND - PM(MPH) W 5 LGT/VAR LGT/VAR
PRECIP AMOUNT 0.00 0.00 0.00
PRECIP DURATION
PRECIP BEGIN
PRECIP END
MIXING HGT(FT-AGL) 5590(UNST) 6540(UNST)
TRANSPORT WND (MPH) W 10 SW 8
VENT RATE (KT-FT) 50310 45780
CWR 0 0 0
KBDI 201-300 201-300 201-300
REMARKS...NONE.
NHZ022-202030-
WHITE MOUNTIANS-
INCLUDING THE CITIES OF LINCOLN, LITTLETON, THORNTON,
WATERVILLE VALLEY, WOODSTOCK, JACKSON, NORTH CONWAY, CONWAY,
AND CRAWFORD NOTCH
250 AM EDT THU AUG 20 2026
TODAY TONIGHT FRI
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) 78 (0) 49 (-7) 79
RH % (24H TREND) 47 (-4) 95 (+1) 43
20FTWND - AM(MPH) LGT/VAR LGT/VAR
20FTWND - PM(MPH) LGT/VAR LGT/VAR LGT/VAR
PRECIP AMOUNT 0.00 0.00 0.00
PRECIP DURATION
PRECIP BEGIN
PRECIP END
MIXING HGT(FT-AGL) 5910(UNST) 7320(UNST)
TRANSPORT WND (MPH) W 10 SE 7
VENT RATE (KT-FT) 53190 43920
CWR 0 0 0
KBDI 301-400 301-400 301-400
REMARKS...NONE.
NHZ023-202030-
CENTRAL LAKES-
INCLUDING THE CITIES OF LEBANON, PLYMOUTH, LACONIA, WOLFEBORO,
ALTON, AND OSSIPEE
250 AM EDT THU AUG 20 2026
TODAY TONIGHT FRI
CLOUD COVER PCLDY PCLDY MCLEAR
PRECIP TYPE NONE NONE NONE
CHANCE OF THUNDER (%) 2 2 0(NONE)
CHANCE PRECIP (%) 0 0 0
TEMP (24H TREND) 82 (+1) 51 (-8) 80
RH % (24H TREND) 46 (+2) 96 (+5) 46
20FTWND - AM(MPH) LGT/VAR LGT/VAR
20FTWND - PM(MPH) W 5 LGT/VAR E 5
PRECIP AMOUNT 0.00 0.00 0.00
PRECIP DURATION
PRECIP BEGIN
PRECIP END
MIXING HGT(FT-AGL) 6280(UNST) 7300(UNST)
TRANSPORT WND (MPH) W 10 E 7
VENT RATE (KT-FT) 56520 43800
CWR 0 0 0
KBDI 401-500 401-500 401-500
REMARKS...NONE.
NHZ024-202030-
LAKE SUNAPEE AND MONADNOCKS-
INCLUDING THE CITIES OF CLAREMONT, KEENE, AND JAFFREY
250 AM EDT THU AUG 20 2026
TODAY TONIGHT FRI
CLOUD COVER PCLDY PCLDY PCLDY
PRECIP TYPE NONE SHOWERS NONE
CHANCE OF THUNDER (%) 2 2 0(NONE)
CHANCE PRECIP (%) 0 40 0
TEMP (24H TREND) 80 (-1) 51 (-8) 79
RH % (24H TREND) 49 (+8) 100 (+4) 48
20FTWND - AM(MPH) LGT/VAR LGT/VAR
20FTWND - PM(MPH) LGT/VAR LGT/VAR LGT/VAR
PRECIP AMOUNT 0.00 0.02 0.00
PRECIP DURATION 1
PRECIP BEGIN 6 PM
PRECIP END 11 PM
MIXING HGT(FT-AGL) 5810(UNST) 7310(UNST)
TRANSPORT WND (MPH) W 9 E 7
VENT RATE (KT-FT) 46480 43860
CWR 0 10 0
KBDI 201-300 201-300 201-300
REMARKS...NONE.
NHZ025-202030-
MERRIMACK VALLEY-
INCLUDING THE CITIES OF MANCHESTER, NASHUA, WEARE, AND DERRY
250 AM EDT THU AUG 20 2026
TODAY TONIGHT FRI
CLOUD COVER PCLDY MCLDY PCLDY
PRECIP TYPE NONE SHOWERS NONE
CHANCE OF THUNDER (%) 2 2 0(NONE)
CHANCE PRECIP (%) 0 30 0
TEMP (24H TREND) 84 (0) 55 (-6) 80
RH % (24H TREND) 48 (+7) 94 (+6) 53
20FTWND - AM(MPH) LGT/VAR NE 5
20FTWND - PM(MPH) LGT/VAR LGT/VAR E 6
PRECIP AMOUNT 0.00 0.03 0.00
PRECIP DURATION 1
PRECIP BEGIN 6 PM
PRECIP END 12 AM
MIXING HGT(FT-AGL) 6200(UNST) 6440(UNST)
TRANSPORT WND (MPH) W 9 E 8
VENT RATE (KT-FT) 49600 45080
CWR 0 10 0
KBDI 301-400 301-400 301-400
REMARKS...NONE.
NHZ026-202030-
SEACOAST-
INCLUDING THE CITIES OF PORTSMOUTH, DOVER, HAMPTON, AND EXETER
250 AM EDT THU AUG 20 2026
TODAY TONIGHT FRI
CLOUD COVER PCLDY MCLDY PCLDY
PRECIP TYPE NONE SHOWERS SHOWERS
CHANCE OF THUNDER (%) 1 1 0(NONE)
CHANCE PRECIP (%) 0 30 30
TEMP (24H TREND) 85 (+1) 58 (-4) 78
RH % (24H TREND) 46 (-6) 93 (+6) 56
20FTWND - AM(MPH) LGT/VAR NE 6
20FTWND - PM(MPH) LGT/VAR LGT/VAR E 6
PRECIP AMOUNT 0.00 0.03 0.00
PRECIP DURATION 1 1
PRECIP BEGIN 6 PM 6 AM
PRECIP END 1 AM 2 PM
MIXING HGT(FT-AGL) 6090(UNST) 5250(UNST)
TRANSPORT WND (MPH) SW 7 NE 10
VENT RATE (KT-FT) 36540 47250
CWR 0 10 10
KBDI 401-500 401-500 401-500
REMARKS...NONE.
FORECAST FOR DAYS 3 THROUGH 7
FRIDAY NIGHT
PARTLY CLOUDY. LOWS IN THE MID 50S. EAST WINDS
AROUND 5 MPH.
SATURDAY
MOSTLY CLOUDY WITH A CHANCE OF SHOWERS. HIGHS IN THE
LOWER 70S. EAST WINDS 5 TO 10 MPH. DAYTIME HUMIDITY VALUES HIGH.
SATURDAY NIGHT
MOSTLY CLOUDY WITH SHOWERS LIKELY. LOWS IN THE
MID 50S. EAST WINDS AROUND 5 MPH.
SUNDAY
MOSTLY CLOUDY WITH A CHANCE OF SHOWERS. HIGHS IN THE
UPPER 70S. SOUTHEAST WINDS AROUND 5 MPH. DAYTIME HUMIDITY VALUES
HIGH.
SUNDAY NIGHT
MOSTLY CLOUDY WITH A CHANCE OF SHOWERS. LOWS IN
THE UPPER 50S. SOUTH WINDS AROUND 5 MPH.
MONDAY
PARTLY SUNNY. HIGHS IN THE UPPER 70S. SOUTHWEST WINDS
5 TO 10 MPH. DAYTIME HUMIDITY VALUES MODERATE.
MONDAY NIGHT
MOSTLY CLEAR. LOWS IN THE LOWER 50S. WEST WINDS
5 TO 10 MPH.
TUESDAY
SUNNY. HIGHS IN THE MID 70S. WEST WINDS 5 TO 10 MPH.
DAYTIME HUMIDITY VALUES MODERATE.
TUESDAY NIGHT
MOSTLY CLEAR. LOWS IN THE LOWER 50S. WEST WINDS
5 TO 10 MPH.
WEDNESDAY
MOSTLY SUNNY. HIGHS IN THE UPPER 70S. WEST WINDS
5 TO 10 MPH. DAYTIME HUMIDITY VALUES MODERATE.
OUTLOOK 8 TO 14 DAYS
TEMPERATURES ABOVE NORMAL. PRECIPITATION ABOVE NORMAL.
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