841
FNUS51 KGYX 171834
FWFGYX
FIRE WEATHER PLANNING FORECAST FOR WESTERN MAINE AND NEW HAMPSHIRE
NATIONAL WEATHER SERVICE GRAY ME
234 PM EDT MON AUG 17 2026
DISCUSSION
SHOWERS MAY LINGER INTO TUESDAY BEFORE ANOTHER FRONTAL
BOUNDARY APPROACHES AROUND MIDWEEK. MOSTLY DRY WEATHER IS
EXPECTED IN THE 2ND HALF OF THE WEEK.
MEZ104-180815-
WESTERN MAINE MOUNTAINS AND FOOTHILLS-
INCLUDING THE CITIES OF FARMINGTON, RUMFORD, BETHEL, EUSTIS,
JACKMAN, AND CARRABASSETT VALLEY
234 PM EDT MON AUG 17 2026
TONIGHT TUE TUE NIGHT WED
CLOUD COVER MCLDY PCLDY PCLDY PCLDY
PRECIP TYPE TSTMS TSTMS SHOWERS NONE
CHANCE OF THUNDER (%) 23(LTD) 17(LTD) 10 8
CHANCE PRECIP (%) 50 30 20 0
TEMP (24H TREND) 58 (0) 75 (+6) 55 79
RH % (24H TREND) 100 (+1) 68 (-17) 100 52
20FTWND - AM(MPH) LGT/VAR LGT/VAR
20FTWND - PM(MPH) LGT/VAR LGT/VAR LGT/VAR SW 6 G17
PRECIP AMOUNT 0.09 0.03 0.01 0.00
PRECIP DURATION 4 2 1
PRECIP BEGIN 6 PM CONTINUING CONTINUING
PRECIP END CONTINUING CONTINUING 2 AM
MIXING HGT(FT-AGL) 3210(UNST) 5040(UNST)
TRANSPORT WND (MPH) N 6 SW 12
VENT RATE (KT-FT) 16050 50400
CWR 30 10 0
KBDI 201-300 201-300 201-300 201-300
REMARKS...NONE.
MEZ107-180815-
KENNEBEC RIVER VALLEY-
INCLUDING THE CITIES OF AUGUSTA, WATERVILLE, SKOWHEGAN, AUBURN,
LEWISTON, LIBERTY, AND LIVERMORE
234 PM EDT MON AUG 17 2026
TONIGHT TUE TUE NIGHT WED
CLOUD COVER MCLDY MCLDY MCLDY PCLDY
PRECIP TYPE TSTMS SHOWERS SHOWERS NONE
CHANCE OF THUNDER (%) 17(LTD) 13 10 5
CHANCE PRECIP (%) 30 30 20 0
TEMP (24H TREND) 60 (0) 77 (+8) 59 81
RH % (24H TREND) 100 (0) 82 (-3) 100 57
20FTWND - AM(MPH) LGT/VAR LGT/VAR
20FTWND - PM(MPH) S 8 LGT/VAR LGT/VAR SW 6 G17
PRECIP AMOUNT 0.06 0.05 0.00 0.00
PRECIP DURATION 2 2 1
PRECIP BEGIN 8 PM CONTINUING CONTINUING
PRECIP END CONTINUING CONTINUING 1 AM
MIXING HGT(FT-AGL) 2420(MRGL) 5190(UNST)
TRANSPORT WND (MPH) NE 7 SW 10
VENT RATE (KT-FT) 14520 46710
CWR 20 20 10 0
KBDI 401-500 401-500 401-500 401-500
REMARKS...NONE.
MEZ109-180815-
LAKES REGION-
INCLUDING THE CITIES OF SANFORD, NORTH WINDHAM, GRAY,
NEW GLOUCESER, FRYEBURG, SOUTH PARIS, AND HIRAM
234 PM EDT MON AUG 17 2026
TONIGHT TUE TUE NIGHT WED
CLOUD COVER MCLDY MCLDY PCLDY PCLDY
PRECIP TYPE TSTMS TSTMS SHOWERS NONE
CHANCE OF THUNDER (%) 13 14 11 5
CHANCE PRECIP (%) 30 30 30 0
TEMP (24H TREND) 60 (-2) 79 (+7) 58 82
RH % (24H TREND) 100 (+4) 80 (-5) 100 53
20FTWND - AM(MPH) LGT/VAR LGT/VAR
20FTWND - PM(MPH) S 6 LGT/VAR LGT/VAR SW 6 G17
PRECIP AMOUNT 0.04 0.02 0.00 0.00
PRECIP DURATION 3 3 1
PRECIP BEGIN 7 PM CONTINUING CONTINUING
PRECIP END CONTINUING CONTINUING 11 PM
MIXING HGT(FT-AGL) 2750(MRGL) 5850(UNST)
TRANSPORT WND (MPH) N 7 SW 9
VENT RATE (KT-FT) 16500 46800
CWR 10 10 10 0
KBDI 401-500 401-500 401-500 401-500
REMARKS...NONE.
MEZ110-180815-
BEACHES AND CASCO BAY-
INCLUDING THE CITIES OF KITTERY, YORK, KENNEBUNK, SCARBOROUGH,
PORTLAND, YARMOUTH, FREEPORT, BRUNSWICK, TOPSHAM,
BOOTHBAY HARBOR, AND DAMARISCOTTA
234 PM EDT MON AUG 17 2026
TONIGHT TUE TUE NIGHT WED
CLOUD COVER MCLDY MCLDY PCLDY PCLDY
PRECIP TYPE NONE SHOWERS NONE NONE
CHANCE OF THUNDER (%) 10 9 7 1
CHANCE PRECIP (%) 0 20 0 0
TEMP (24H TREND) 61 (-2) 79 (+7) 60 82
RH % (24H TREND) 100 (+2) 77 (-6) 100 57
20FTWND - AM(MPH) LGT/VAR LGT/VAR
20FTWND - PM(MPH) S 8 G17 NE 5 LGT/VAR S 9 G19
PRECIP AMOUNT 0.00 0.01 0.00 0.00
PRECIP DURATION 1
PRECIP BEGIN 6 AM
PRECIP END 2 PM
MIXING HGT(FT-AGL) 2610(MRGL) 3760(UNST)
TRANSPORT WND (MPH) NE 7 SW 9
VENT RATE (KT-FT) 15660 30080
CWR 0 0 0
KBDI 401-500 401-500 401-500 401-500
REMARKS...NONE.
MEZ111-180815-
MID-COAST-
INCLUDING THE CITIES OF WALDOBORO, ROCKLAND, CAMDEN,
LINCOLNVILLE, BELFAST, SEARSPORT, ISLESBORO, AND VINALHAVEN
234 PM EDT MON AUG 17 2026
TONIGHT TUE TUE NIGHT WED
CLOUD COVER MCLDY MCLDY MCLDY PCLDY
PRECIP TYPE NONE NONE NONE NONE
CHANCE OF THUNDER (%) 11 12 7 3
CHANCE PRECIP (%) 0 0 0 0
TEMP (24H TREND) 59 (-1) 77 (+8) 60 81
RH % (24H TREND) 100 (0) 83 (-4) 100 62
20FTWND - AM(MPH) LGT/VAR LGT/VAR
20FTWND - PM(MPH) S 8 G17 LGT/VAR LGT/VAR SW 8 G17
PRECIP AMOUNT 0.00 0.00 0.00 0.00
PRECIP DURATION
PRECIP BEGIN
PRECIP END
MIXING HGT(FT-AGL) 2440(MRGL) 4100(UNST)
TRANSPORT WND (MPH) NE 7 SW 10
VENT RATE (KT-FT) 14640 36900
CWR 0 0 0 0
KBDI 401-500 401-500 401-500 401-500
REMARKS...NONE.
NHZ021-180815-
COOS COUNTY-
INCLUDING THE CITIES OF ERROL, MILLSFIELD, COLEBROOK, BERLIN,
DUMMER, MILAN, YORK POND, AND LANCASTER
234 PM EDT MON AUG 17 2026
TONIGHT TUE TUE NIGHT WED
CLOUD COVER MCLDY PCLDY PCLDY PCLDY
PRECIP TYPE TSTMS TSTMS NONE NONE
CHANCE OF THUNDER (%) 25(ELEV) 17(LTD) 9 8
CHANCE PRECIP (%) 50 20 0 0
TEMP (24H TREND) 57 (-1) 77 (+6) 53 78
RH % (24H TREND) 100 (+2) 62 (-19) 100 50
20FTWND - AM(MPH) LGT/VAR LGT/VAR
20FTWND - PM(MPH) LGT/VAR LGT/VAR LGT/VAR W 6 G21
PRECIP AMOUNT 0.05 0.01 0.00 0.00
PRECIP DURATION 3 2
PRECIP BEGIN 6 PM CONTINUING
PRECIP END CONTINUING 6 PM
MIXING HGT(FT-AGL) 3610(UNST) 4550(UNST)
TRANSPORT WND (MPH) NW 6 SW 12
VENT RATE (KT-FT) 18050 45500
CWR 30 0 0
KBDI 201-300 201-300 201-300 201-300
REMARKS...NONE.
NHZ022-180815-
WHITE MOUNTIANS-
INCLUDING THE CITIES OF LINCOLN, LITTLETON, THORNTON,
WATERVILLE VALLEY, WOODSTOCK, JACKSON, NORTH CONWAY, CONWAY,
AND CRAWFORD NOTCH
234 PM EDT MON AUG 17 2026
TONIGHT TUE TUE NIGHT WED
CLOUD COVER MCLDY PCLDY PCLDY PCLDY
PRECIP TYPE TSTMS TSTMS NONE NONE
CHANCE OF THUNDER (%) 25(ELEV) 18(LTD) 10 7
CHANCE PRECIP (%) 40 40 0 0
TEMP (24H TREND) 59 (-1) 79 (+8) 55 81
RH % (24H TREND) 100 (+2) 66 (-19) 100 49
20FTWND - AM(MPH) LGT/VAR LGT/VAR
20FTWND - PM(MPH) LGT/VAR LGT/VAR LGT/VAR SW 5 G20
PRECIP AMOUNT 0.13 0.02 0.00 0.00
PRECIP DURATION 4 2
PRECIP BEGIN 6 PM CONTINUING
PRECIP END CONTINUING 6 PM
MIXING HGT(FT-AGL) 3740(UNST) 5480(UNST)
TRANSPORT WND (MPH) NW 7 SW 10
VENT RATE (KT-FT) 22440 49320
CWR 30 30 0 0
KBDI 301-400 301-400 301-400 301-400
REMARKS...NONE.
NHZ023-180815-
CENTRAL LAKES-
INCLUDING THE CITIES OF LEBANON, PLYMOUTH, LACONIA, WOLFEBORO,
ALTON, AND OSSIPEE
234 PM EDT MON AUG 17 2026
TONIGHT TUE TUE NIGHT WED
CLOUD COVER MCLDY PCLDY PCLDY PCLDY
PRECIP TYPE TSTMS TSTMS NONE NONE
CHANCE OF THUNDER (%) 20(LTD) 17(LTD) 13 5
CHANCE PRECIP (%) 30 40 0 0
TEMP (24H TREND) 62 (-1) 79 (+6) 58 82
RH % (24H TREND) 100 (+5) 66 (-18) 100 47
20FTWND - AM(MPH) LGT/VAR LGT/VAR
20FTWND - PM(MPH) LGT/VAR LGT/VAR LGT/VAR W 6
PRECIP AMOUNT 0.06 0.05 0.00 0.00
PRECIP DURATION 3 2
PRECIP BEGIN 6 PM CONTINUING
PRECIP END CONTINUING 6 PM
MIXING HGT(FT-AGL) 3940(UNST) 6120(UNST)
TRANSPORT WND (MPH) NW 7 W 10
VENT RATE (KT-FT) 23640 55080
CWR 20 20 0 0
KBDI 301-400 301-400 301-400 301-400
REMARKS...NONE.
NHZ024-180815-
LAKE SUNAPEE AND MONADNOCKS-
INCLUDING THE CITIES OF CLAREMONT, KEENE, AND JAFFREY
234 PM EDT MON AUG 17 2026
TONIGHT TUE TUE NIGHT WED
CLOUD COVER PCLDY PCLDY PCLDY PCLDY
PRECIP TYPE TSTMS TSTMS NONE NONE
CHANCE OF THUNDER (%) 14 14 7 3
CHANCE PRECIP (%) 20 30 0 0
TEMP (24H TREND) 62 (-1) 80 (+6) 58 82
RH % (24H TREND) 100 (+2) 64 (-20) 100 47
20FTWND - AM(MPH) LGT/VAR LGT/VAR
20FTWND - PM(MPH) LGT/VAR LGT/VAR LGT/VAR W 5
PRECIP AMOUNT 0.03 0.02 0.00 0.00
PRECIP DURATION 2 1
PRECIP BEGIN 7 PM 10 AM
PRECIP END 4 AM 6 PM
MIXING HGT(FT-AGL) 4410(UNST) 5950(UNST)
TRANSPORT WND (MPH) NW 8 W 12
VENT RATE (KT-FT) 30870 59500
CWR 0 0
KBDI 201-300 201-300 201-300 201-300
REMARKS...NONE.
NHZ025-180815-
MERRIMACK VALLEY-
INCLUDING THE CITIES OF MANCHESTER, NASHUA, WEARE, AND DERRY
234 PM EDT MON AUG 17 2026
TONIGHT TUE TUE NIGHT WED
CLOUD COVER MCLDY MCLDY PCLDY PCLDY
PRECIP TYPE NONE TSTMS SHOWERS NONE
CHANCE OF THUNDER (%) 6 14 11 3
CHANCE PRECIP (%) 0 30 20 0
TEMP (24H TREND) 63 (-1) 81 (+8) 60 84
RH % (24H TREND) 100 (+3) 73 (-13) 100 49
20FTWND - AM(MPH) LGT/VAR LGT/VAR
20FTWND - PM(MPH) LGT/VAR LGT/VAR LGT/VAR W 5
PRECIP AMOUNT 0.00 0.05 0.01 0.00
PRECIP DURATION 2 0
PRECIP BEGIN 7 AM CONTINUING
PRECIP END CONTINUING 9 PM
MIXING HGT(FT-AGL) 3190(UNST) 6850(UNST)
TRANSPORT WND (MPH) N 6 W 12
VENT RATE (KT-FT) 15950 68500
CWR 0 10 10 0
KBDI 301-400 301-400 301-400 301-400
REMARKS...NONE.
NHZ026-180815-
SEACOAST-
INCLUDING THE CITIES OF PORTSMOUTH, DOVER, HAMPTON, AND EXETER
234 PM EDT MON AUG 17 2026
TONIGHT TUE TUE NIGHT WED
CLOUD COVER MCLDY PCLDY PCLDY PCLDY
PRECIP TYPE NONE SHOWERS NONE NONE
CHANCE OF THUNDER (%) 6 11 9 2
CHANCE PRECIP (%) 0 30 0 0
TEMP (24H TREND) 63 (-2) 80 (+6) 62 84
RH % (24H TREND) 100 (+5) 77 (-5) 100 51
20FTWND - AM(MPH) LGT/VAR LGT/VAR
20FTWND - PM(MPH) LGT/VAR LGT/VAR LGT/VAR SW 6
PRECIP AMOUNT 0.00 0.05 0.00 0.00
PRECIP DURATION 1
PRECIP BEGIN 7 AM
PRECIP END 6 PM
MIXING HGT(FT-AGL) 2710(MRGL) 6330(UNST)
TRANSPORT WND (MPH) NE 6 SW 10
VENT RATE (KT-FT) 13550 56970
CWR 0 10 0 0
KBDI 401-500 401-500 401-500 401-500
REMARKS...NONE.
FORECAST FOR DAYS 3 THROUGH 7
WEDNESDAY NIGHT
PARTLY CLOUDY. LOWS IN THE UPPER 50S. WEST
WINDS AROUND 5 MPH.
THURSDAY
MOSTLY SUNNY. HIGHS IN THE UPPER 70S. WEST WINDS
AROUND 5 MPH. DAYTIME HUMIDITY VALUES MODERATE.
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
PARTLY CLOUDY. LOWS IN THE MID 50S. EAST WINDS
AROUND 5 MPH.
SATURDAY
MOSTLY SUNNY. HIGHS IN THE UPPER 70S. SOUTHEAST WINDS
AROUND 5 MPH. DAYTIME HUMIDITY VALUES HIGH.
SATURDAY NIGHT
MOSTLY CLOUDY WITH A CHANCE OF SHOWERS. LOWS IN
THE UPPER 50S. SOUTHEAST 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. SOUTHEAST 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.
OUTLOOK 8 TO 14 DAYS
TEMPERATURES NEAR NORMAL. PRECIPITATION NEAR NORMAL.
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