267
FNUS51 KGYX 231827
FWFGYX
FIRE WEATHER PLANNING FORECAST FOR WESTERN MAINE AND NEW HAMPSHIRE
NATIONAL WEATHER SERVICE GRAY ME
227 PM EDT SUN AUG 23 2026
DISCUSSION
HUMIDITY WILL REMAIN THROUGH THE AFTERNOON AND EVENING TODAY WITH
CHANCES OF SHOWERS AND FEW THUNDERSTORMS, BRINGING LOCALIZED
WETTING RAINFALL. DRIER CONDITIONS RETURN MONDAY THROUGH WEDNESDAY
WHILE THERE WILL REMAIN CHANCES FOR AFTERNOON SHOWERS AND PERHAPS
A THUNDERSTORM ACROSS THE INTERIOR MONDAY AND TUESDAY.
MEZ104-240815-
WESTERN MAINE MOUNTAINS AND FOOTHILLS-
INCLUDING THE CITIES OF FARMINGTON, RUMFORD, BETHEL, EUSTIS,
JACKMAN, AND CARRABASSETT VALLEY
227 PM EDT SUN AUG 23 2026
TONIGHT MON MON NIGHT TUE
CLOUD COVER MCLDY PCLDY PCLDY PCLDY
PRECIP TYPE TSTMS TSTMS TSTMS TSTMS
CHANCE OF THUNDER (%) 19(LTD) 19(LTD) 19(LTD) 26(ELEV)
CHANCE PRECIP (%) 40 30 30 50
TEMP (24H TREND) 56 (-1) 77 (+8) 51 75
RH % (24H TREND) 100 (+1) 48 (-40) 99 58
20FTWND - AM(MPH) S 5 LGT/VAR
20FTWND - PM(MPH) SE 6 G17 SW 9 G19 SW 6 W 6
PRECIP AMOUNT 0.02 0.01 0.01 0.05
PRECIP DURATION 2 1 1 3
PRECIP BEGIN 6 PM 2 PM CONTINUING 9 AM
PRECIP END 6 AM CONTINUING 10 PM CONTINUING
MIXING HGT(FT-AGL) 5980(UNST) 4750(UNST)
TRANSPORT WND (MPH) S 16 W 10
VENT RATE (KT-FT) 83720 42750
CWR 10 10
KBDI 201-300 201-300 201-300 201-300
REMARKS...NONE.
MEZ107-240815-
KENNEBEC RIVER VALLEY-
INCLUDING THE CITIES OF AUGUSTA, WATERVILLE, SKOWHEGAN, AUBURN,
LEWISTON, LIBERTY, AND LIVERMORE
227 PM EDT SUN AUG 23 2026
TONIGHT MON MON NIGHT TUE
CLOUD COVER MCLDY PCLDY PCLDY PCLDY
PRECIP TYPE SHOWERS NONE NONE NONE
CHANCE OF THUNDER (%) 12 6 7 11
CHANCE PRECIP (%) 40 0 0 0
TEMP (24H TREND) 62 (+2) 81 (+9) 55 79
RH % (24H TREND) 100 (0) 49 (-42) 100 54
20FTWND - AM(MPH) S 8 SW 6
20FTWND - PM(MPH) SE 5 S 11 G21 S 9 G17 SW 8 G17
PRECIP AMOUNT 0.04 0.00 0.00 0.00
PRECIP DURATION 2
PRECIP BEGIN 6 PM
PRECIP END 6 AM
MIXING HGT(FT-AGL) 6320(UNST) 5700(UNST)
TRANSPORT WND (MPH) SW 16 SW 10
VENT RATE (KT-FT) 88480 51300
CWR 20 0 0 0
KBDI 401-500 401-500 401-500 401-500
REMARKS...NONE.
MEZ109-240815-
LAKES REGION-
INCLUDING THE CITIES OF SANFORD, NORTH WINDHAM, GRAY,
NEW GLOUCESER, FRYEBURG, SOUTH PARIS, AND HIRAM
227 PM EDT SUN AUG 23 2026
TONIGHT MON MON NIGHT TUE
CLOUD COVER MCLDY PCLDY PCLDY PCLDY
PRECIP TYPE TSTMS NONE NONE NONE
CHANCE OF THUNDER (%) 20(LTD) 11 10 8
CHANCE PRECIP (%) 40 0 0 0
TEMP (24H TREND) 59 (0) 80 (+8) 54 80
RH % (24H TREND) 100 (+1) 46 (-44) 98 52
20FTWND - AM(MPH) SW 6 W 8 G17
20FTWND - PM(MPH) SE 5 SW 10 G21 SW 8 W 9 G17
PRECIP AMOUNT 0.03 0.00 0.00 0.00
PRECIP DURATION 1
PRECIP BEGIN 6 PM
PRECIP END 2 AM
MIXING HGT(FT-AGL) 7000(UNST) 5860(UNST)
TRANSPORT WND (MPH) SW 16 W 12
VENT RATE (KT-FT) 98000 58600
CWR 20 0 0 0
KBDI 401-500 401-500 401-500 401-500
REMARKS...NONE.
MEZ110-240815-
BEACHES AND CASCO BAY-
INCLUDING THE CITIES OF KITTERY, YORK, KENNEBUNK, SCARBOROUGH,
PORTLAND, YARMOUTH, FREEPORT, BRUNSWICK, TOPSHAM,
BOOTHBAY HARBOR, AND DAMARISCOTTA
227 PM EDT SUN AUG 23 2026
TONIGHT MON MON NIGHT TUE
CLOUD COVER MCLDY PCLDY PCLDY PCLDY
PRECIP TYPE TSTMS NONE NONE NONE
CHANCE OF THUNDER (%) 16(LTD) 4 4 5
CHANCE PRECIP (%) 30 0 0 0
TEMP (24H TREND) 62 (+2) 81 (+9) 56 81
RH % (24H TREND) 100 (0) 49 (-40) 98 51
20FTWND - AM(MPH) SW 8 SW 8
20FTWND - PM(MPH) SE 5 S 11 G23 SW 9 G19 SW 10 G21
PRECIP AMOUNT 0.03 0.00 0.00 0.00
PRECIP DURATION 1
PRECIP BEGIN 6 PM
PRECIP END 6 AM
MIXING HGT(FT-AGL) 5290(UNST) 5440(UNST)
TRANSPORT WND (MPH) S 15 SW 12
VENT RATE (KT-FT) 68770 54400
CWR 60 0 0 0
KBDI 501-600 501-600 501-600 501-600
REMARKS...NONE.
MEZ111-240815-
MID-COAST-
INCLUDING THE CITIES OF WALDOBORO, ROCKLAND, CAMDEN,
LINCOLNVILLE, BELFAST, SEARSPORT, ISLESBORO, AND VINALHAVEN
227 PM EDT SUN AUG 23 2026
TONIGHT MON MON NIGHT TUE
CLOUD COVER MCLDY PCLDY PCLDY PCLDY
PRECIP TYPE SHOWERS NONE NONE NONE
CHANCE OF THUNDER (%) 11 11 3 6
CHANCE PRECIP (%) 30 0 0 0
TEMP (24H TREND) 61 (+1) 80 (+9) 57 79
RH % (24H TREND) 100 (0) 54 (-40) 99 57
20FTWND - AM(MPH) S 8 G17 SW 8 G17
20FTWND - PM(MPH) LGT/VAR S 11 G23 S 9 G19 SW 10 G21
PRECIP AMOUNT 0.06 0.00 0.00 0.00
PRECIP DURATION 1
PRECIP BEGIN 6 PM
PRECIP END 6 AM
MIXING HGT(FT-AGL) 4180(UNST) 5390(UNST)
TRANSPORT WND (MPH) S 16 SW 12
VENT RATE (KT-FT) 58520 53900
CWR 80 0 0 0
KBDI 401-500 501-600 501-600 501-600
REMARKS...NONE.
NHZ021-240815-
COOS COUNTY-
INCLUDING THE CITIES OF ERROL, MILLSFIELD, COLEBROOK, BERLIN,
DUMMER, MILAN, YORK POND, AND LANCASTER
227 PM EDT SUN AUG 23 2026
TONIGHT MON MON NIGHT TUE
CLOUD COVER PCLDY PCLDY PCLDY PCLDY
PRECIP TYPE TSTMS TSTMS TSTMS TSTMS
CHANCE OF THUNDER (%) 26(ELEV) 22(LTD) 20(LTD) 25(ELEV)
CHANCE PRECIP (%) 50 40 30 70
TEMP (24H TREND) 53 (-2) 75 (+4) 50 73
RH % (24H TREND) 100 (+3) 47 (-30) 100 59
20FTWND - AM(MPH) SW 5 LGT/VAR
20FTWND - PM(MPH) SE 6 G17 SW 8 G19 SW 5 W 6 G17
PRECIP AMOUNT 0.02 0.01 0.01 0.02
PRECIP DURATION 2 1 0 3
PRECIP BEGIN 6 PM 2 PM CONTINUING 9 AM
PRECIP END 2 AM CONTINUING 10 PM CONTINUING
MIXING HGT(FT-AGL) 5900(UNST) 3820(UNST)
TRANSPORT WND (MPH) SW 16 W 10
VENT RATE (KT-FT) 82600 34380
CWR 10 10
KBDI 201-300 201-300 201-300 201-300
REMARKS...NONE.
NHZ022-240815-
WHITE MOUNTIANS-
INCLUDING THE CITIES OF LINCOLN, LITTLETON, THORNTON,
WATERVILLE VALLEY, WOODSTOCK, JACKSON, NORTH CONWAY, CONWAY,
AND CRAWFORD NOTCH
227 PM EDT SUN AUG 23 2026
TONIGHT MON MON NIGHT TUE
CLOUD COVER MCLDY PCLDY PCLDY PCLDY
PRECIP TYPE TSTMS TSTMS TSTMS TSTMS
CHANCE OF THUNDER (%) 27(ELEV) 21(LTD) 16(LTD) 20(LTD)
CHANCE PRECIP (%) 60 40 30 40
TEMP (24H TREND) 54 (-2) 77 (+8) 50 76
RH % (24H TREND) 100 (+2) 48 (-41) 100 59
20FTWND - AM(MPH) SW 5 W 5
20FTWND - PM(MPH) S 5 SW 8 G19 SW 5 W 6
PRECIP AMOUNT 0.05 0.02 0.01 0.01
PRECIP DURATION 3 1 0 1
PRECIP BEGIN 6 PM 2 PM CONTINUING 11 AM
PRECIP END 2 AM CONTINUING 11 PM CONTINUING
MIXING HGT(FT-AGL) 5850(UNST) 4680(UNST)
TRANSPORT WND (MPH) SW 16 W 10
VENT RATE (KT-FT) 81900 42120
CWR 20 10 10
KBDI 301-400 301-400 301-400 301-400
REMARKS...NONE.
NHZ023-240815-
CENTRAL LAKES-
INCLUDING THE CITIES OF LEBANON, PLYMOUTH, LACONIA, WOLFEBORO,
ALTON, AND OSSIPEE
227 PM EDT SUN AUG 23 2026
TONIGHT MON MON NIGHT TUE
CLOUD COVER MCLDY PCLDY PCLDY PCLDY
PRECIP TYPE TSTMS TSTMS SHOWERS NONE
CHANCE OF THUNDER (%) 29(ELEV) 16(LTD) 15(LTD) 13
CHANCE PRECIP (%) 40 20 20 0
TEMP (24H TREND) 56 (-3) 78 (+6) 53 78
RH % (24H TREND) 100 (0) 48 (-42) 100 57
20FTWND - AM(MPH) SW 5 W 8 G17
20FTWND - PM(MPH) LGT/VAR SW 9 G19 SW 6 W 9 G17
PRECIP AMOUNT 0.05 0.02 0.01 0.00
PRECIP DURATION 2 1 1
PRECIP BEGIN 6 PM 1 PM CONTINUING
PRECIP END 2 AM CONTINUING 12 AM
MIXING HGT(FT-AGL) 6620(UNST) 5330(UNST)
TRANSPORT WND (MPH) SW 16 W 13
VENT RATE (KT-FT) 92680 58630
CWR 20 10 10 0
KBDI 401-500 401-500 401-500 401-500
REMARKS...NONE.
NHZ024-240815-
LAKE SUNAPEE AND MONADNOCKS-
INCLUDING THE CITIES OF CLAREMONT, KEENE, AND JAFFREY
227 PM EDT SUN AUG 23 2026
TONIGHT MON MON NIGHT TUE
CLOUD COVER PCLDY PCLDY PCLDY PCLDY
PRECIP TYPE TSTMS TSTMS SHOWERS NONE
CHANCE OF THUNDER (%) 38(ELEV) 16(LTD) 12 11
CHANCE PRECIP (%) 50 20 20 0
TEMP (24H TREND) 55 (-3) 77 (+5) 53 77
RH % (24H TREND) 100 (0) 51 (-40) 100 58
20FTWND - AM(MPH) SW 5 W 6
20FTWND - PM(MPH) LGT/VAR SW 9 G19 SW 6 W 8 G17
PRECIP AMOUNT 0.04 0.02 0.01 0.00
PRECIP DURATION 1 1 1
PRECIP BEGIN 6 PM 1 PM CONTINUING
PRECIP END 1 AM CONTINUING 11 PM
MIXING HGT(FT-AGL) 5920(UNST) 5030(UNST)
TRANSPORT WND (MPH) SW 17 W 13
VENT RATE (KT-FT) 88800 55330
CWR 30 10 10 0
KBDI 201-300 301-400 301-400 301-400
REMARKS...NONE.
NHZ025-240815-
MERRIMACK VALLEY-
INCLUDING THE CITIES OF MANCHESTER, NASHUA, WEARE, AND DERRY
227 PM EDT SUN AUG 23 2026
TONIGHT MON MON NIGHT TUE
CLOUD COVER PCLDY MCLEAR PCLDY MCLEAR
PRECIP TYPE TSTMS NONE NONE NONE
CHANCE OF THUNDER (%) 28(ELEV) 6 6 5
CHANCE PRECIP (%) 40 0 0 0
TEMP (24H TREND) 58 (-2) 80 (+6) 55 81
RH % (24H TREND) 100 (0) 46 (-44) 97 53
20FTWND - AM(MPH) SW 5 W 8
20FTWND - PM(MPH) LGT/VAR SW 9 G19 SW 8 W 8 G17
PRECIP AMOUNT 0.02 0.00 0.00 0.00
PRECIP DURATION 1
PRECIP BEGIN 6 PM
PRECIP END 1 AM
MIXING HGT(FT-AGL) 7110(UNST) 5820(UNST)
TRANSPORT WND (MPH) SW 18 W 13
VENT RATE (KT-FT) 113760 64020
CWR 20 0 0 0
KBDI 301-400 301-400 301-400 301-400
REMARKS...NONE.
NHZ026-240815-
SEACOAST-
INCLUDING THE CITIES OF PORTSMOUTH, DOVER, HAMPTON, AND EXETER
227 PM EDT SUN AUG 23 2026
TONIGHT MON MON NIGHT TUE
CLOUD COVER MCLDY MCLEAR MCLEAR MCLEAR
PRECIP TYPE TSTMS NONE NONE NONE
CHANCE OF THUNDER (%) 19(LTD) 2 3 3
CHANCE PRECIP (%) 30 0 0 0
TEMP (24H TREND) 61 (0) 81 (+7) 56 81
RH % (24H TREND) 100 (0) 43 (-45) 96 49
20FTWND - AM(MPH) SW 5 W 6
20FTWND - PM(MPH) LGT/VAR SW 9 G17 SW 6 W 8 G17
PRECIP AMOUNT 0.03 0.00 0.00 0.00
PRECIP DURATION 1
PRECIP BEGIN 6 PM
PRECIP END 1 AM
MIXING HGT(FT-AGL) 7630(UNST) 6130(UNST)
TRANSPORT WND (MPH) SW 17 W 13
VENT RATE (KT-FT) 114450 67430
CWR 60 0 0 0
KBDI 401-500 401-500 401-500 401-500
REMARKS...NONE.
FORECAST FOR DAYS 3 THROUGH 7
TUESDAY NIGHT
MOSTLY CLEAR. LOWS IN THE MID 50S. WEST WINDS
AROUND 5 MPH.
WEDNESDAY
SUNNY. HIGHS IN THE UPPER 70S. WEST WINDS AROUND
5 MPH. DAYTIME HUMIDITY VALUES MODERATE.
WEDNESDAY NIGHT
MOSTLY CLEAR. LOWS IN THE MID 50S. WEST WINDS
AROUND 5 MPH.
THURSDAY
MOSTLY SUNNY. HIGHS IN THE LOWER 80S. SOUTH WINDS
5 TO 10 MPH. DAYTIME HUMIDITY VALUES MODERATE.
THURSDAY NIGHT
MOSTLY CLOUDY WITH A CHANCE OF SHOWERS. LOWS IN
THE LOWER 60S. SOUTH WINDS 5 TO 10 MPH.
FRIDAY
MOSTLY CLOUDY WITH SHOWERS LIKELY. HIGHS IN THE UPPER
70S. SOUTH WINDS 5 TO 10 MPH. DAYTIME HUMIDITY VALUES HIGH.
FRIDAY NIGHT
MOSTLY CLOUDY WITH A CHANCE OF SHOWERS. LOWS IN
THE UPPER 50S. WEST WINDS AROUND 5 MPH.
SATURDAY
MOSTLY SUNNY. HIGHS IN THE UPPER 70S. WEST WINDS 5 TO
10 MPH. DAYTIME HUMIDITY VALUES MODERATE.
SATURDAY NIGHT
MOSTLY CLEAR. LOWS IN THE LOWER 50S. NORTHWEST
WINDS 5 TO 10 MPH.
SUNDAY
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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