761
FNUS51 KGYX 191830
FWFGYX
FIRE WEATHER PLANNING FORECAST FOR WESTERN MAINE AND NEW HAMPSHIRE
NATIONAL WEATHER SERVICE GRAY ME
230 PM EDT WED AUG 19 2026
DISCUSSION
ANOTHER FRONTAL BOUNDARY APPROACHES TONIGHT INTO THURSDAY WITH
MAINLY JUST ISOLATED SHOWERS, EXCEPT SOUTHERN NH MAY SEE HIGHER
SHOWER CHANCES LATER IN THE DAY THURSDAY. HIGH PRESSURE PROVIDES
DRY CONDITIONS FRIDAY, AND LOW PRESSURE TO THE SOUTH MAY BRING
MEASURABLE RAIN TO PORTIONS OF SOUTHERN NH AND THE COASTAL
SATURDAY INTO SATURDAY NIGHT. RAIN CHANCES INCREASE SUNDAY INTO
SUNDAY NIGHT WITH WETTING RAINS POSSIBLE IN SOME AREAS, ALTHOUGH
CONFIDENCE IS LOW. DRIER CONDITIONS RETURN EARLY NEXT WEEK WITH
SOME LINGERING SHOWERS POSSIBLE ON MONDAY.
MEZ104-200845-
WESTERN MAINE MOUNTAINS AND FOOTHILLS-
INCLUDING THE CITIES OF FARMINGTON, RUMFORD, BETHEL, EUSTIS,
JACKMAN, AND CARRABASSETT VALLEY
230 PM EDT WED AUG 19 2026
TONIGHT THU THU NIGHT FRI
CLOUD COVER PCLDY PCLDY PCLDY MCLEAR
PRECIP TYPE NONE NONE NONE NONE
CHANCE OF THUNDER (%) 6 1 1 1
CHANCE PRECIP (%) 0 0 0 0
TEMP (24H TREND) 55 (-1) 77 (0) 49 78
RH % (24H TREND) 98 (+4) 43 (-7) 94 38
20FTWND - AM(MPH) NW 6 G17 LGT/VAR
20FTWND - PM(MPH) LGT/VAR W 8 G18 NW 5 LGT/VAR
PRECIP AMOUNT 0.00 0.00 0.00 0.00
PRECIP DURATION
PRECIP BEGIN
PRECIP END
MIXING HGT(FT-AGL) 6250(UNST) 6650(UNST)
TRANSPORT WND (MPH) W 12 W 8
VENT RATE (KT-FT) 62500 46550
CWR 0 0 0 0
KBDI 201-300 201-300 201-300 201-300
REMARKS...NONE.
MEZ107-200845-
KENNEBEC RIVER VALLEY-
INCLUDING THE CITIES OF AUGUSTA, WATERVILLE, SKOWHEGAN, AUBURN,
LEWISTON, LIBERTY, AND LIVERMORE
230 PM EDT WED AUG 19 2026
TONIGHT THU THU NIGHT FRI
CLOUD COVER PCLDY PCLDY PCLDY MCLEAR
PRECIP TYPE NONE NONE NONE NONE
CHANCE OF THUNDER (%) 10 0(NONE) 0(NONE) 0(NONE)
CHANCE PRECIP (%) 0 0 0 0
TEMP (24H TREND) 58 (-2) 81 (-1) 54 81
RH % (24H TREND) 100 (0) 46 (-9) 93 41
20FTWND - AM(MPH) LGT/VAR LGT/VAR
20FTWND - PM(MPH) S 5 LGT/VAR LGT/VAR LGT/VAR
PRECIP AMOUNT 0.00 0.00 0.00 0.00
PRECIP DURATION
PRECIP BEGIN
PRECIP END
MIXING HGT(FT-AGL) 6560(UNST) 6970(UNST)
TRANSPORT WND (MPH) W 10 W 7
VENT RATE (KT-FT) 59040 41820
CWR 0 0 0 0
KBDI 401-500 401-500 401-500 401-500
REMARKS...NONE.
MEZ109-200845-
LAKES REGION-
INCLUDING THE CITIES OF SANFORD, NORTH WINDHAM, GRAY,
NEW GLOUCESER, FRYEBURG, SOUTH PARIS, AND HIRAM
230 PM EDT WED AUG 19 2026
TONIGHT THU THU NIGHT FRI
CLOUD COVER MCLEAR PCLDY PCLDY MCLEAR
PRECIP TYPE NONE NONE NONE NONE
CHANCE OF THUNDER (%) 2 0(NONE) 0(NONE) 0(NONE)
CHANCE PRECIP (%) 0 0 0 0
TEMP (24H TREND) 58 (-2) 82 (-1) 54 81
RH % (24H TREND) 95 (-5) 44 (-2) 91 45
20FTWND - AM(MPH) LGT/VAR LGT/VAR
20FTWND - PM(MPH) SW 5 LGT/VAR LGT/VAR SE 6
PRECIP AMOUNT 0.00 0.00 0.00 0.00
PRECIP DURATION
PRECIP BEGIN
PRECIP END
MIXING HGT(FT-AGL) 6170(UNST) 6910(UNST)
TRANSPORT WND (MPH) W 9 SW 7
VENT RATE (KT-FT) 49360 41460
CWR 0 0 0 0
KBDI 401-500 401-500 401-500 401-500
REMARKS...NONE.
MEZ110-200845-
BEACHES AND CASCO BAY-
INCLUDING THE CITIES OF KITTERY, YORK, KENNEBUNK, SCARBOROUGH,
PORTLAND, YARMOUTH, FREEPORT, BRUNSWICK, TOPSHAM,
BOOTHBAY HARBOR, AND DAMARISCOTTA
230 PM EDT WED AUG 19 2026
TONIGHT THU THU NIGHT FRI
CLOUD COVER PCLDY PCLDY PCLDY MCLEAR
PRECIP TYPE NONE NONE NONE NONE
CHANCE OF THUNDER (%) 3 0(NONE) 0(NONE) 0(NONE)
CHANCE PRECIP (%) 0 0 0 0
TEMP (24H TREND) 59 (-1) 82 (+2) 56 81
RH % (24H TREND) 99 (-1) 46 (-21) 88 46
20FTWND - AM(MPH) LGT/VAR LGT/VAR
20FTWND - PM(MPH) SW 6 S 5 LGT/VAR SE 8
PRECIP AMOUNT 0.00 0.00 0.00 0.00
PRECIP DURATION
PRECIP BEGIN
PRECIP END
MIXING HGT(FT-AGL) 5280(UNST) 5850(UNST)
TRANSPORT WND (MPH) W 8 S 7
VENT RATE (KT-FT) 36960 35100
CWR 0 0 0 0
KBDI 401-500 501-600 501-600 501-600
REMARKS...NONE.
MEZ111-200845-
MID-COAST-
INCLUDING THE CITIES OF WALDOBORO, ROCKLAND, CAMDEN,
LINCOLNVILLE, BELFAST, SEARSPORT, ISLESBORO, AND VINALHAVEN
230 PM EDT WED AUG 19 2026
TONIGHT THU THU NIGHT FRI
CLOUD COVER PCLDY PCLDY PCLDY MCLEAR
PRECIP TYPE NONE NONE NONE NONE
CHANCE OF THUNDER (%) 5 0(NONE) 0(NONE) 0(NONE)
CHANCE PRECIP (%) 0 0 0 0
TEMP (24H TREND) 60 (-1) 83 (+3) 56 81
RH % (24H TREND) 100 (0) 49 (-15) 87 43
20FTWND - AM(MPH) LGT/VAR LGT/VAR
20FTWND - PM(MPH) S 6 LGT/VAR LGT/VAR LGT/VAR
PRECIP AMOUNT 0.00 0.00 0.00 0.00
PRECIP DURATION
PRECIP BEGIN
PRECIP END
MIXING HGT(FT-AGL) 5600(UNST) 6750(UNST)
TRANSPORT WND (MPH) SW 8 W 7
VENT RATE (KT-FT) 39200 40500
CWR 0 0 0 0
KBDI 401-500 401-500 401-500 401-500
REMARKS...NONE.
NHZ021-200845-
COOS COUNTY-
INCLUDING THE CITIES OF ERROL, MILLSFIELD, COLEBROOK, BERLIN,
DUMMER, MILAN, YORK POND, AND LANCASTER
230 PM EDT WED AUG 19 2026
TONIGHT THU THU NIGHT FRI
CLOUD COVER PCLDY MCLDY PCLDY MCLEAR
PRECIP TYPE SHOWERS NONE NONE NONE
CHANCE OF THUNDER (%) 9 1 1 1
CHANCE PRECIP (%) 20 0 0 0
TEMP (24H TREND) 53 (-1) 76 (0) 48 78
RH % (24H TREND) 99 (+6) 44 (-8) 94 37
20FTWND - AM(MPH) W 5 G18 LGT/VAR
20FTWND - PM(MPH) W 5 G19 W 5 G20 LGT/VAR LGT/VAR
PRECIP AMOUNT 0.02 0.00 0.00 0.00
PRECIP DURATION 1
PRECIP BEGIN 6 PM
PRECIP END 2 AM
MIXING HGT(FT-AGL) 5730(UNST) 6190(UNST)
TRANSPORT WND (MPH) W 10 W 7
VENT RATE (KT-FT) 51570 37140
CWR 0 0 0
KBDI 201-300 201-300 201-300 201-300
REMARKS...NONE.
NHZ022-200845-
WHITE MOUNTIANS-
INCLUDING THE CITIES OF LINCOLN, LITTLETON, THORNTON,
WATERVILLE VALLEY, WOODSTOCK, JACKSON, NORTH CONWAY, CONWAY,
AND CRAWFORD NOTCH
230 PM EDT WED AUG 19 2026
TONIGHT THU THU NIGHT FRI
CLOUD COVER PCLDY PCLDY PCLDY MCLEAR
PRECIP TYPE NONE NONE NONE NONE
CHANCE OF THUNDER (%) 3 0(NONE) 0(NONE) 0(NONE)
CHANCE PRECIP (%) 0 0 0 0
TEMP (24H TREND) 55 (-2) 79 (+1) 51 80
RH % (24H TREND) 97 (+2) 44 (-6) 92 39
20FTWND - AM(MPH) LGT/VAR LGT/VAR
20FTWND - PM(MPH) W 5 G19 LGT/VAR LGT/VAR LGT/VAR
PRECIP AMOUNT 0.00 0.00 0.00 0.00
PRECIP DURATION
PRECIP BEGIN
PRECIP END
MIXING HGT(FT-AGL) 5550(UNST) 6590(UNST)
TRANSPORT WND (MPH) W 9 SW 7
VENT RATE (KT-FT) 44400 39540
CWR 0 0 0 0
KBDI 301-400 301-400 301-400 301-400
REMARKS...NONE.
NHZ023-200845-
CENTRAL LAKES-
INCLUDING THE CITIES OF LEBANON, PLYMOUTH, LACONIA, WOLFEBORO,
ALTON, AND OSSIPEE
230 PM EDT WED AUG 19 2026
TONIGHT THU THU NIGHT FRI
CLOUD COVER MCLEAR PCLDY PCLDY MCLEAR
PRECIP TYPE NONE NONE NONE NONE
CHANCE OF THUNDER (%) 1 3 3 0(NONE)
CHANCE PRECIP (%) 0 0 0 0
TEMP (24H TREND) 58 (-2) 80 (-1) 54 80
RH % (24H TREND) 93 (-3) 44 (+1) 91 42
20FTWND - AM(MPH) LGT/VAR LGT/VAR
20FTWND - PM(MPH) LGT/VAR W 5 LGT/VAR LGT/VAR
PRECIP AMOUNT 0.00 0.00 0.00 0.00
PRECIP DURATION
PRECIP BEGIN
PRECIP END
MIXING HGT(FT-AGL) 5460(UNST) 6970(UNST)
TRANSPORT WND (MPH) W 10 S 7
VENT RATE (KT-FT) 49140 41820
CWR 0 0 0 0
KBDI 301-400 401-500 401-500 401-500
REMARKS...NONE.
NHZ024-200845-
LAKE SUNAPEE AND MONADNOCKS-
INCLUDING THE CITIES OF CLAREMONT, KEENE, AND JAFFREY
230 PM EDT WED AUG 19 2026
TONIGHT THU THU NIGHT FRI
CLOUD COVER MCLEAR PCLDY PCLDY MCLEAR
PRECIP TYPE NONE SHOWERS SHOWERS NONE
CHANCE OF THUNDER (%) 1 6 6 2
CHANCE PRECIP (%) 0 20 20 0
TEMP (24H TREND) 58 (-1) 79 (-2) 53 80
RH % (24H TREND) 98 (-1) 46 (+5) 95 44
20FTWND - AM(MPH) LGT/VAR LGT/VAR
20FTWND - PM(MPH) LGT/VAR LGT/VAR LGT/VAR LGT/VAR
PRECIP AMOUNT 0.00 0.02 0.03 0.00
PRECIP DURATION 0 1
PRECIP BEGIN 4 PM CONTINUING
PRECIP END CONTINUING 2 AM
MIXING HGT(FT-AGL) 5000(UNST) 6730(UNST)
TRANSPORT WND (MPH) W 9 SE 8
VENT RATE (KT-FT) 40000 47110
CWR 0 10 10 0
KBDI 201-300 201-300 201-300 201-300
REMARKS...NONE.
NHZ025-200845-
MERRIMACK VALLEY-
INCLUDING THE CITIES OF MANCHESTER, NASHUA, WEARE, AND DERRY
230 PM EDT WED AUG 19 2026
TONIGHT THU THU NIGHT FRI
CLOUD COVER MCLEAR PCLDY PCLDY MCLEAR
PRECIP TYPE NONE NONE SHOWERS NONE
CHANCE OF THUNDER (%) 1 4 4 1
CHANCE PRECIP (%) 0 0 30 0
TEMP (24H TREND) 61 (-1) 83 (-1) 57 81
RH % (24H TREND) 92 (-7) 46 (+6) 91 49
20FTWND - AM(MPH) LGT/VAR LGT/VAR
20FTWND - PM(MPH) LGT/VAR LGT/VAR LGT/VAR E 6
PRECIP AMOUNT 0.00 0.00 0.02 0.00
PRECIP DURATION 1
PRECIP BEGIN 6 PM
PRECIP END 2 AM
MIXING HGT(FT-AGL) 5420(UNST) 6520(UNST)
TRANSPORT WND (MPH) W 10 SE 9
VENT RATE (KT-FT) 48780 52160
CWR 0 0 10 0
KBDI 301-400 301-400 301-400 301-400
REMARKS...NONE.
NHZ026-200845-
SEACOAST-
INCLUDING THE CITIES OF PORTSMOUTH, DOVER, HAMPTON, AND EXETER
230 PM EDT WED AUG 19 2026
TONIGHT THU THU NIGHT FRI
CLOUD COVER MCLEAR PCLDY PCLDY MCLEAR
PRECIP TYPE NONE NONE SHOWERS NONE
CHANCE OF THUNDER (%) 1 1 1 0(NONE)
CHANCE PRECIP (%) 0 0 30 0
TEMP (24H TREND) 63 (+1) 83 (-2) 58 80
RH % (24H TREND) 89 (-11) 45 (-6) 89 50
20FTWND - AM(MPH) LGT/VAR NE 5
20FTWND - PM(MPH) LGT/VAR LGT/VAR LGT/VAR E 6
PRECIP AMOUNT 0.00 0.00 0.02 0.00
PRECIP DURATION 1
PRECIP BEGIN 7 PM
PRECIP END 2 AM
MIXING HGT(FT-AGL) 5550(UNST) 4910(UNST)
TRANSPORT WND (MPH) W 9 E 9
VENT RATE (KT-FT) 44400 39280
CWR 0 0 0
KBDI 401-500 401-500 401-500 401-500
REMARKS...NONE.
FORECAST FOR DAYS 3 THROUGH 7
FRIDAY NIGHT
PARTLY CLOUDY. LOWS IN THE MID 50S. SOUTHEAST
WINDS AROUND 5 MPH.
SATURDAY
MOSTLY CLOUDY WITH A CHANCE OF SHOWERS. HIGHS IN THE
MID 70S. EAST WINDS 5 TO 10 MPH. DAYTIME HUMIDITY VALUES HIGH.
SATURDAY NIGHT
MOSTLY CLOUDY WITH A CHANCE OF SHOWERS. LOWS IN
THE UPPER 50S. EAST WINDS AROUND 5 MPH.
SUNDAY
MOSTLY CLOUDY WITH SHOWERS LIKELY. HIGHS IN THE MID
70S. SOUTHEAST WINDS AROUND 5 MPH. DAYTIME HUMIDITY VALUES HIGH.
SUNDAY NIGHT
MOSTLY CLOUDY WITH SHOWERS LIKELY. LOWS IN THE
UPPER 50S. SOUTHWEST WINDS AROUND 5 MPH.
MONDAY
MOSTLY SUNNY. HIGHS IN THE MID 70S. WEST 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
PARTLY CLOUDY. 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 NEAR NORMAL. PRECIPITATION ABOVE NORMAL.
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