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FNUS51 KGYX 181815
FWFGYX
FIRE WEATHER PLANNING FORECAST FOR WESTERN MAINE AND NEW HAMPSHIRE
NATIONAL WEATHER SERVICE GRAY ME
215 PM EDT TUE AUG 18 2026
DISCUSSION
EXPECT SOME ISOLATED SHOWERS THIS AFTERNOON. ANOTHER FRONTAL THEN
BOUNDARY APPROACHES AROUND THURSDAY. OTHERWISE, MOSTLY DRY
WEATHER IS EXPECTED IN THE SECOND HALF OF THE WEEK.
MEZ104-190815-
WESTERN MAINE MOUNTAINS AND FOOTHILLS-
INCLUDING THE CITIES OF FARMINGTON, RUMFORD, BETHEL, EUSTIS,
JACKMAN, AND CARRABASSETT VALLEY
215 PM EDT TUE AUG 18 2026
TONIGHT WED WED NIGHT THU
CLOUD COVER PCLDY PCLDY PCLDY PCLDY
PRECIP TYPE NONE NONE SHOWERS SHOWERS
CHANCE OF THUNDER (%) 0(NONE) 11 8 5
CHANCE PRECIP (%) 0 0 10 20
TEMP (24H TREND) 54 (-5) 79 (+7) 55 77
RH % (24H TREND) 100 (0) 51 (-25) 100 46
20FTWND - AM(MPH) LGT/VAR NW 5
20FTWND - PM(MPH) LGT/VAR SW 6 LGT/VAR W 8
PRECIP AMOUNT 0.00 0.00 0.00 0.00
PRECIP DURATION 1 1
PRECIP BEGIN 10 PM CONTINUING
PRECIP END CONTINUING 6 PM
MIXING HGT(FT-AGL) 5410(UNST) 6230(UNST)
TRANSPORT WND (MPH) SW 12 W 12
VENT RATE (KT-FT) 54100 62300
CWR 0 0
KBDI 201-300 201-300 201-300 201-300
REMARKS...NONE.
MEZ107-190815-
KENNEBEC RIVER VALLEY-
INCLUDING THE CITIES OF AUGUSTA, WATERVILLE, SKOWHEGAN, AUBURN,
LEWISTON, LIBERTY, AND LIVERMORE
215 PM EDT TUE AUG 18 2026
TONIGHT WED WED NIGHT THU
CLOUD COVER PCLDY MCLDY PCLDY PCLDY
PRECIP TYPE SHOWERS NONE NONE SHOWERS
CHANCE OF THUNDER (%) 0(NONE) 10 9 4
CHANCE PRECIP (%) 20 0 0 20
TEMP (24H TREND) 59 (-3) 81 (+5) 58 81
RH % (24H TREND) 100 (0) 58 (-23) 100 52
20FTWND - AM(MPH) LGT/VAR LGT/VAR
20FTWND - PM(MPH) LGT/VAR SW 6 S 5 LGT/VAR
PRECIP AMOUNT 0.00 0.00 0.00 0.00
PRECIP DURATION 0 1
PRECIP BEGIN 6 PM 1 PM
PRECIP END 9 PM 6 PM
MIXING HGT(FT-AGL) 5000(UNST) 6220(UNST)
TRANSPORT WND (MPH) SW 12 W 9
VENT RATE (KT-FT) 50000 49760
CWR 0 0
KBDI 401-500 401-500 401-500 401-500
REMARKS...NONE.
MEZ109-190815-
LAKES REGION-
INCLUDING THE CITIES OF SANFORD, NORTH WINDHAM, GRAY,
NEW GLOUCESER, FRYEBURG, SOUTH PARIS, AND HIRAM
215 PM EDT TUE AUG 18 2026
TONIGHT WED WED NIGHT THU
CLOUD COVER PCLDY PCLDY PCLDY PCLDY
PRECIP TYPE SHOWERS NONE NONE SHOWERS
CHANCE OF THUNDER (%) 0(NONE) 8 6 3
CHANCE PRECIP (%) 30 0 0 20
TEMP (24H TREND) 58 (-4) 83 (+7) 58 82
RH % (24H TREND) 100 (0) 53 (-29) 100 51
20FTWND - AM(MPH) LGT/VAR LGT/VAR
20FTWND - PM(MPH) LGT/VAR SW 6 SW 5 W 5
PRECIP AMOUNT 0.01 0.00 0.00 0.00
PRECIP DURATION 0 1
PRECIP BEGIN 6 PM 1 PM
PRECIP END 9 PM 6 PM
MIXING HGT(FT-AGL) 5860(UNST) 5270(UNST)
TRANSPORT WND (MPH) SW 12 SW 8
VENT RATE (KT-FT) 58600 36890
CWR 10 0 0
KBDI 401-500 401-500 401-500 401-500
REMARKS...NONE.
MEZ110-190815-
BEACHES AND CASCO BAY-
INCLUDING THE CITIES OF KITTERY, YORK, KENNEBUNK, SCARBOROUGH,
PORTLAND, YARMOUTH, FREEPORT, BRUNSWICK, TOPSHAM,
BOOTHBAY HARBOR, AND DAMARISCOTTA
215 PM EDT TUE AUG 18 2026
TONIGHT WED WED NIGHT THU
CLOUD COVER PCLDY PCLDY PCLDY PCLDY
PRECIP TYPE NONE NONE NONE SHOWERS
CHANCE OF THUNDER (%) 0(NONE) 6 4 3
CHANCE PRECIP (%) 0 0 0 20
TEMP (24H TREND) 58 (-5) 83 (+7) 60 82
RH % (24H TREND) 100 (0) 63 (-16) 100 54
20FTWND - AM(MPH) LGT/VAR LGT/VAR
20FTWND - PM(MPH) LGT/VAR S 8 G17 S 6 SW 5
PRECIP AMOUNT 0.00 0.00 0.00 0.00
PRECIP DURATION 1
PRECIP BEGIN 1 PM
PRECIP END CONTINUING
MIXING HGT(FT-AGL) 3340(UNST) 4260(UNST)
TRANSPORT WND (MPH) S 10 SW 7
VENT RATE (KT-FT) 30060 25560
CWR 0 0 0
KBDI 401-500 401-500 401-500 501-600
REMARKS...NONE.
MEZ111-190815-
MID-COAST-
INCLUDING THE CITIES OF WALDOBORO, ROCKLAND, CAMDEN,
LINCOLNVILLE, BELFAST, SEARSPORT, ISLESBORO, AND VINALHAVEN
215 PM EDT TUE AUG 18 2026
TONIGHT WED WED NIGHT THU
CLOUD COVER PCLDY PCLDY PCLDY PCLDY
PRECIP TYPE NONE NONE NONE SHOWERS
CHANCE OF THUNDER (%) 0(NONE) 7 5 4
CHANCE PRECIP (%) 0 0 0 20
TEMP (24H TREND) 59 (-2) 81 (+6) 60 82
RH % (24H TREND) 100 (0) 68 (-13) 100 55
20FTWND - AM(MPH) SW 5 LGT/VAR
20FTWND - PM(MPH) LGT/VAR S 8 G17 S 5 LGT/VAR
PRECIP AMOUNT 0.00 0.00 0.00 0.00
PRECIP DURATION 1
PRECIP BEGIN 1 PM
PRECIP END CONTINUING
MIXING HGT(FT-AGL) 3390(UNST) 5160(UNST)
TRANSPORT WND (MPH) SW 12 SW 8
VENT RATE (KT-FT) 33900 36120
CWR 0 0 0
KBDI 401-500 401-500 401-500 401-500
REMARKS...NONE.
NHZ021-190815-
COOS COUNTY-
INCLUDING THE CITIES OF ERROL, MILLSFIELD, COLEBROOK, BERLIN,
DUMMER, MILAN, YORK POND, AND LANCASTER
215 PM EDT TUE AUG 18 2026
TONIGHT WED WED NIGHT THU
CLOUD COVER PCLDY PCLDY PCLDY PCLDY
PRECIP TYPE NONE NONE SHOWERS SHOWERS
CHANCE OF THUNDER (%) 0(NONE) 6 6 6
CHANCE PRECIP (%) 0 0 10 20
TEMP (24H TREND) 52 (-6) 78 (+6) 53 76
RH % (24H TREND) 100 (0) 50 (-20) 100 45
20FTWND - AM(MPH) LGT/VAR LGT/VAR
20FTWND - PM(MPH) LGT/VAR W 5 W 5 W 5
PRECIP AMOUNT 0.00 0.00 0.00 0.00
PRECIP DURATION 1 1
PRECIP BEGIN 8 PM 1 PM
PRECIP END 6 AM 6 PM
MIXING HGT(FT-AGL) 5120(UNST) 5940(UNST)
TRANSPORT WND (MPH) W 13 W 12
VENT RATE (KT-FT) 56320 59400
CWR 0 0
KBDI 201-300 201-300 201-300 201-300
REMARKS...NONE.
NHZ022-190815-
WHITE MOUNTIANS-
INCLUDING THE CITIES OF LINCOLN, LITTLETON, THORNTON,
WATERVILLE VALLEY, WOODSTOCK, JACKSON, NORTH CONWAY, CONWAY,
AND CRAWFORD NOTCH
215 PM EDT TUE AUG 18 2026
TONIGHT WED WED NIGHT THU
CLOUD COVER PCLDY PCLDY PCLDY PCLDY
PRECIP TYPE NONE NONE NONE SHOWERS
CHANCE OF THUNDER (%) 0(NONE) 3 3 5
CHANCE PRECIP (%) 0 0 0 20
TEMP (24H TREND) 55 (-6) 81 (+7) 55 79
RH % (24H TREND) 100 (0) 49 (-26) 100 46
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 1
PRECIP BEGIN 1 PM
PRECIP END 6 PM
MIXING HGT(FT-AGL) 5720(UNST) 6140(UNST)
TRANSPORT WND (MPH) W 13 W 10
VENT RATE (KT-FT) 62920 55260
CWR 0 0 0
KBDI 301-400 301-400 301-400 301-400
REMARKS...NONE.
NHZ023-190815-
CENTRAL LAKES-
INCLUDING THE CITIES OF LEBANON, PLYMOUTH, LACONIA, WOLFEBORO,
ALTON, AND OSSIPEE
215 PM EDT TUE AUG 18 2026
TONIGHT WED WED NIGHT THU
CLOUD COVER PCLDY PCLDY PCLDY PCLDY
PRECIP TYPE NONE NONE NONE SHOWERS
CHANCE OF THUNDER (%) 0(NONE) 4 4 3
CHANCE PRECIP (%) 0 0 0 20
TEMP (24H TREND) 58 (-5) 82 (+5) 58 80
RH % (24H TREND) 100 (0) 47 (-27) 99 48
20FTWND - AM(MPH) LGT/VAR LGT/VAR
20FTWND - PM(MPH) LGT/VAR W 5 LGT/VAR W 5
PRECIP AMOUNT 0.00 0.00 0.00 0.00
PRECIP DURATION 1
PRECIP BEGIN 1 PM
PRECIP END 6 PM
MIXING HGT(FT-AGL) 6080(UNST) 5860(UNST)
TRANSPORT WND (MPH) W 12 W 9
VENT RATE (KT-FT) 60800 46880
CWR 0 0 0
KBDI 301-400 301-400 301-400 401-500
REMARKS...NONE.
NHZ024-190815-
LAKE SUNAPEE AND MONADNOCKS-
INCLUDING THE CITIES OF CLAREMONT, KEENE, AND JAFFREY
215 PM EDT TUE AUG 18 2026
TONIGHT WED WED NIGHT THU
CLOUD COVER PCLDY PCLDY PCLDY PCLDY
PRECIP TYPE NONE NONE NONE SHOWERS
CHANCE OF THUNDER (%) 0(NONE) 2 1 3
CHANCE PRECIP (%) 0 0 0 20
TEMP (24H TREND) 58 (-5) 82 (+4) 58 80
RH % (24H TREND) 100 (0) 45 (-24) 100 48
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 1
PRECIP BEGIN 12 PM
PRECIP END 6 PM
MIXING HGT(FT-AGL) 5850(UNST) 5080(UNST)
TRANSPORT WND (MPH) W 13 W 8
VENT RATE (KT-FT) 64350 35560
CWR 0 0 0
KBDI 201-300 201-300 201-300 201-300
REMARKS...NONE.
NHZ025-190815-
MERRIMACK VALLEY-
INCLUDING THE CITIES OF MANCHESTER, NASHUA, WEARE, AND DERRY
215 PM EDT TUE AUG 18 2026
TONIGHT WED WED NIGHT THU
CLOUD COVER PCLDY PCLDY PCLDY PCLDY
PRECIP TYPE SHOWERS NONE NONE SHOWERS
CHANCE OF THUNDER (%) 0(NONE) 4 4 4
CHANCE PRECIP (%) 20 0 0 20
TEMP (24H TREND) 61 (-4) 85 (+6) 61 83
RH % (24H TREND) 100 (0) 47 (-31) 96 51
20FTWND - AM(MPH) LGT/VAR LGT/VAR
20FTWND - PM(MPH) LGT/VAR SW 5 LGT/VAR LGT/VAR
PRECIP AMOUNT 0.01 0.00 0.00 0.00
PRECIP DURATION 0 1
PRECIP BEGIN 6 PM 1 PM
PRECIP END 10 PM CONTINUING
MIXING HGT(FT-AGL) 6200(UNST) 5250(UNST)
TRANSPORT WND (MPH) W 13 SW 8
VENT RATE (KT-FT) 68200 36750
CWR 0 0
KBDI 301-400 301-400 301-400 301-400
REMARKS...NONE.
NHZ026-190815-
SEACOAST-
INCLUDING THE CITIES OF PORTSMOUTH, DOVER, HAMPTON, AND EXETER
215 PM EDT TUE AUG 18 2026
TONIGHT WED WED NIGHT THU
CLOUD COVER PCLDY PCLDY PCLDY PCLDY
PRECIP TYPE NONE NONE NONE SHOWERS
CHANCE OF THUNDER (%) 0(NONE) 4 4 4
CHANCE PRECIP (%) 0 0 0 20
TEMP (24H TREND) 61 (-4) 85 (+8) 62 82
RH % (24H TREND) 100 (0) 51 (-29) 94 53
20FTWND - AM(MPH) LGT/VAR LGT/VAR
20FTWND - PM(MPH) LGT/VAR S 5 LGT/VAR LGT/VAR
PRECIP AMOUNT 0.00 0.00 0.00 0.00
PRECIP DURATION 1
PRECIP BEGIN 1 PM
PRECIP END CONTINUING
MIXING HGT(FT-AGL) 6060(UNST) 4050(UNST)
TRANSPORT WND (MPH) SW 10 S 7
VENT RATE (KT-FT) 54540 24300
CWR 0 0 0
KBDI 401-500 401-500 401-500 401-500
REMARKS...NONE.
FORECAST FOR DAYS 3 THROUGH 7
THURSDAY NIGHT
PARTLY CLOUDY. LOWS IN THE MID 50S. NORTHWEST
WINDS AROUND 5 MPH.
FRIDAY
SUNNY. HIGHS IN THE UPPER 70S. NORTHWEST WINDS AROUND
5 MPH. DAYTIME HUMIDITY VALUES MODERATE.
FRIDAY NIGHT
MOSTLY CLEAR. LOWS IN THE MID 50S. NORTH WINDS
AROUND 5 MPH.
SATURDAY
MOSTLY SUNNY. HIGHS IN THE MID 70S. SOUTHEAST WINDS
5 TO 10 MPH. DAYTIME HUMIDITY VALUES MODERATE.
SATURDAY NIGHT
MOSTLY CLOUDY WITH A CHANCE OF SHOWERS. LOWS IN
THE MID 50S. EAST WINDS AROUND 5 MPH.
SUNDAY
MOSTLY CLOUDY WITH SHOWERS LIKELY. HIGHS IN THE MID
70S. EAST 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 WITH A CHANCE OF SHOWERS. HIGHS IN THE MID
70S. WEST WINDS 5 TO 10 MPH. DAYTIME HUMIDITY VALUES HIGH.
MONDAY NIGHT
PARTLY CLOUDY. LOWS IN THE MID 50S. WEST WINDS
5 TO 10 MPH.
TUESDAY
MOSTLY SUNNY. HIGHS IN THE MID 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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