526
FNUS51 KGYX 170619
FWFGYX
FIRE WEATHER PLANNING FORECAST FOR WESTERN MAINE AND NEW HAMPSHIRE
NATIONAL WEATHER SERVICE GRAY ME
219 AM EDT MON AUG 17 2026
DISCUSSION
MOST AREAS ACROSS THE NORTH WILL SEE THE A GOOD CHANCE FOR
WETTING RAINS. CHANCES BECOME MORE HIT OR MISS FURTHER SOUTH. A
FEW SHOWERS MAY LINGER INTO TUESDAY BEFORE ANOTHER FRONTAL
BOUNDARY APPROACHES AROUND MIDWEEK.
MEZ104-172015-
WESTERN MAINE MOUNTAINS AND FOOTHILLS-
INCLUDING THE CITIES OF FARMINGTON, RUMFORD, BETHEL, EUSTIS,
JACKMAN, AND CARRABASSETT VALLEY
219 AM EDT MON AUG 17 2026
TODAY TONIGHT TUE
CLOUD COVER MCLDY MCLDY MCLDY
PRECIP TYPE TSTMS TSTMS TSTMS
CHANCE OF THUNDER (%) 19(LTD) 17(LTD) 15(LTD)
CHANCE PRECIP (%) 80 60 50
TEMP (24H TREND) 71 (+1) 58 (+4) 76
RH % (24H TREND) 82 (+33) 100 (0) 61
20FTWND - AM(MPH) S 10 G21 LGT/VAR
20FTWND - PM(MPH) S 8 G19 LGT/VAR LGT/VAR
PRECIP AMOUNT 0.20 0.05 0.03
PRECIP DURATION 8 4 2
PRECIP BEGIN 6 AM CONTINUING CONTINUING
PRECIP END CONTINUING CONTINUING CONTINUING
MIXING HGT(FT-AGL) 1870(MRGL) 3660(UNST)
TRANSPORT WND (MPH) S 13 N 6
VENT RATE (KT-FT) 20570 18300
CWR 100 20 10
KBDI 201-300 201-300 201-300
REMARKS...NONE.
MEZ107-172015-
KENNEBEC RIVER VALLEY-
INCLUDING THE CITIES OF AUGUSTA, WATERVILLE, SKOWHEGAN, AUBURN,
LEWISTON, LIBERTY, AND LIVERMORE
219 AM EDT MON AUG 17 2026
TODAY TONIGHT TUE
CLOUD COVER MCLDY MCLDY MCLDY
PRECIP TYPE TSTMS TSTMS TSTMS
CHANCE OF THUNDER (%) 19(LTD) 19(LTD) 19(LTD)
CHANCE PRECIP (%) 80 50 40
TEMP (24H TREND) 69 (-5) 60 (+3) 77
RH % (24H TREND) 92 (+40) 100 (0) 77
20FTWND - AM(MPH) S 12 G25 LGT/VAR
20FTWND - PM(MPH) S 12 G23 S 8 LGT/VAR
PRECIP AMOUNT 0.14 0.04 0.02
PRECIP DURATION 4 2 2
PRECIP BEGIN 6 AM CONTINUING CONTINUING
PRECIP END CONTINUING CONTINUING 5 PM
MIXING HGT(FT-AGL) 2180(MRGL) 2430(MRGL)
TRANSPORT WND (MPH) S 18 N 9
VENT RATE (KT-FT) 34880 19440
CWR 90 10 10
KBDI 401-500 401-500 401-500
REMARKS...NONE.
MEZ109-172015-
LAKES REGION-
INCLUDING THE CITIES OF SANFORD, NORTH WINDHAM, GRAY,
NEW GLOUCESER, FRYEBURG, SOUTH PARIS, AND HIRAM
219 AM EDT MON AUG 17 2026
TODAY TONIGHT TUE
CLOUD COVER MCLDY MCLDY PCLDY
PRECIP TYPE SHOWERS TSTMS TSTMS
CHANCE OF THUNDER (%) 13 14 16(LTD)
CHANCE PRECIP (%) 60 30 40
TEMP (24H TREND) 73 (-4) 59 (+1) 79
RH % (24H TREND) 88 (+36) 100 (+1) 75
20FTWND - AM(MPH) S 11 G23 LGT/VAR
20FTWND - PM(MPH) S 10 G23 SE 6 LGT/VAR
PRECIP AMOUNT 0.04 0.01 0.02
PRECIP DURATION 3 2 1
PRECIP BEGIN 6 AM CONTINUING CONTINUING
PRECIP END CONTINUING CONTINUING CONTINUING
MIXING HGT(FT-AGL) 2170(MRGL) 3200(UNST)
TRANSPORT WND (MPH) S 12 N 9
VENT RATE (KT-FT) 21700 25600
CWR 30
KBDI 401-500 401-500 401-500
REMARKS...NONE.
MEZ110-172015-
BEACHES AND CASCO BAY-
INCLUDING THE CITIES OF KITTERY, YORK, KENNEBUNK, SCARBOROUGH,
PORTLAND, YARMOUTH, FREEPORT, BRUNSWICK, TOPSHAM,
BOOTHBAY HARBOR, AND DAMARISCOTTA
219 AM EDT MON AUG 17 2026
TODAY TONIGHT TUE
CLOUD COVER MCLDY MCLDY PCLDY
PRECIP TYPE SHOWERS TSTMS SHOWERS
CHANCE OF THUNDER (%) 11 14 12
CHANCE PRECIP (%) 70 30 30
TEMP (24H TREND) 73 (0) 60 (+1) 79
RH % (24H TREND) 82 (+25) 100 (0) 73
20FTWND - AM(MPH) S 14 G28 N 5
20FTWND - PM(MPH) S 13 G26 SE 8 G17 NE 5
PRECIP AMOUNT 0.07 0.02 0.00
PRECIP DURATION 4 2 1
PRECIP BEGIN 6 AM CONTINUING CONTINUING
PRECIP END CONTINUING CONTINUING 10 AM
MIXING HGT(FT-AGL) 2000(MRGL) 2560(MRGL)
TRANSPORT WND (MPH) S 15 N 9
VENT RATE (KT-FT) 26000 20480
CWR 20 20
KBDI 401-500 401-500 401-500
REMARKS...NONE.
MEZ111-172015-
MID-COAST-
INCLUDING THE CITIES OF WALDOBORO, ROCKLAND, CAMDEN,
LINCOLNVILLE, BELFAST, SEARSPORT, ISLESBORO, AND VINALHAVEN
219 AM EDT MON AUG 17 2026
TODAY TONIGHT TUE
CLOUD COVER MCLDY MCLDY MCLDY
PRECIP TYPE SHOWERS SHOWERS SHOWERS
CHANCE OF THUNDER (%) 13 13 12
CHANCE PRECIP (%) 70 60 40
TEMP (24H TREND) 70 (-2) 60 (+2) 78
RH % (24H TREND) 90 (+33) 100 (0) 81
20FTWND - AM(MPH) S 13 G26 NE 5
20FTWND - PM(MPH) S 12 G25 S 8 G17 NE 5
PRECIP AMOUNT 0.08 0.06 0.02
PRECIP DURATION 5 3 1
PRECIP BEGIN 6 AM CONTINUING CONTINUING
PRECIP END CONTINUING CONTINUING 4 PM
MIXING HGT(FT-AGL) 1890(MRGL) 2300(MRGL)
TRANSPORT WND (MPH) S 16 N 9
VENT RATE (KT-FT) 26460 18400
CWR 40 20 20
KBDI 401-500 401-500 401-500
REMARKS...NONE.
NHZ021-172015-
COOS COUNTY-
INCLUDING THE CITIES OF ERROL, MILLSFIELD, COLEBROOK, BERLIN,
DUMMER, MILAN, YORK POND, AND LANCASTER
219 AM EDT MON AUG 17 2026
TODAY TONIGHT TUE
CLOUD COVER MCLDY MCLDY PCLDY
PRECIP TYPE TSTMS TSTMS SHOWERS
CHANCE OF THUNDER (%) 20(LTD) 18(LTD) 11
CHANCE PRECIP (%) 70 60 40
TEMP (24H TREND) 75 (+4) 57 (+3) 78
RH % (24H TREND) 74 (+26) 100 (+1) 58
20FTWND - AM(MPH) SW 8 G23 LGT/VAR
20FTWND - PM(MPH) LGT/VAR LGT/VAR LGT/VAR
PRECIP AMOUNT 0.17 0.07 0.02
PRECIP DURATION 4 3 2
PRECIP BEGIN 6 AM CONTINUING CONTINUING
PRECIP END CONTINUING CONTINUING CONTINUING
MIXING HGT(FT-AGL) 1760(MRGL) 5110(UNST)
TRANSPORT WND (MPH) SW 9 NW 9
VENT RATE (KT-FT) 14080 40880
CWR 90 20 10
KBDI 201-300 201-300 201-300
REMARKS...NONE.
NHZ022-172015-
WHITE MOUNTIANS-
INCLUDING THE CITIES OF LINCOLN, LITTLETON, THORNTON,
WATERVILLE VALLEY, WOODSTOCK, JACKSON, NORTH CONWAY, CONWAY,
AND CRAWFORD NOTCH
219 AM EDT MON AUG 17 2026
TODAY TONIGHT TUE
CLOUD COVER MCLDY MCLDY PCLDY
PRECIP TYPE TSTMS TSTMS SHOWERS
CHANCE OF THUNDER (%) 17(LTD) 17(LTD) 12
CHANCE PRECIP (%) 70 50 50
TEMP (24H TREND) 75 (+1) 59 (+3) 79
RH % (24H TREND) 79 (+31) 100 (+1) 62
20FTWND - AM(MPH) S 9 G23 LGT/VAR
20FTWND - PM(MPH) S 5 LGT/VAR LGT/VAR
PRECIP AMOUNT 0.07 0.03 0.03
PRECIP DURATION 4 2 3
PRECIP BEGIN 6 AM CONTINUING CONTINUING
PRECIP END CONTINUING CONTINUING CONTINUING
MIXING HGT(FT-AGL) 2030(MRGL) 5330(UNST)
TRANSPORT WND (MPH) S 8 NW 8
VENT RATE (KT-FT) 14210 37310
CWR 40 10 10
KBDI 301-400 301-400 301-400
REMARKS...NONE.
NHZ023-172015-
CENTRAL LAKES-
INCLUDING THE CITIES OF LEBANON, PLYMOUTH, LACONIA, WOLFEBORO,
ALTON, AND OSSIPEE
219 AM EDT MON AUG 17 2026
TODAY TONIGHT TUE
CLOUD COVER MCLDY MCLDY PCLDY
PRECIP TYPE SHOWERS TSTMS TSTMS
CHANCE OF THUNDER (%) 14 14 14
CHANCE PRECIP (%) 70 30 40
TEMP (24H TREND) 75 (-1) 61 (+2) 80
RH % (24H TREND) 80 (+32) 100 (+3) 63
20FTWND - AM(MPH) S 9 G21 LGT/VAR
20FTWND - PM(MPH) S 8 LGT/VAR LGT/VAR
PRECIP AMOUNT 0.05 0.01 0.01
PRECIP DURATION 3 2 1
PRECIP BEGIN 6 AM CONTINUING CONTINUING
PRECIP END CONTINUING CONTINUING 6 PM
MIXING HGT(FT-AGL) 2410(MRGL) 4590(UNST)
TRANSPORT WND (MPH) S 8 NW 7
VENT RATE (KT-FT) 16870 27540
CWR 20 10
KBDI 301-400 301-400 301-400
REMARKS...NONE.
NHZ024-172015-
LAKE SUNAPEE AND MONADNOCKS-
INCLUDING THE CITIES OF CLAREMONT, KEENE, AND JAFFREY
219 AM EDT MON AUG 17 2026
TODAY TONIGHT TUE
CLOUD COVER MCLDY PCLDY PCLDY
PRECIP TYPE SHOWERS SHOWERS SHOWERS
CHANCE OF THUNDER (%) 13 12 10
CHANCE PRECIP (%) 60 20 30
TEMP (24H TREND) 75 (-3) 62 (+3) 81
RH % (24H TREND) 80 (+29) 100 (+2) 61
20FTWND - AM(MPH) S 8 G17 LGT/VAR
20FTWND - PM(MPH) S 5 LGT/VAR LGT/VAR
PRECIP AMOUNT 0.02 0.00 0.00
PRECIP DURATION 2 1 1
PRECIP BEGIN 6 AM CONTINUING CONTINUING
PRECIP END CONTINUING CONTINUING 6 PM
MIXING HGT(FT-AGL) 2330(MRGL) 4850(UNST)
TRANSPORT WND (MPH) S 7 NW 7
VENT RATE (KT-FT) 13980 29100
CWR 10
KBDI 201-300 201-300 201-300
REMARKS...NONE.
NHZ025-172015-
MERRIMACK VALLEY-
INCLUDING THE CITIES OF MANCHESTER, NASHUA, WEARE, AND DERRY
219 AM EDT MON AUG 17 2026
TODAY TONIGHT TUE
CLOUD COVER MCLDY MCLDY PCLDY
PRECIP TYPE SHOWERS SHOWERS SHOWERS
CHANCE OF THUNDER (%) 12 10 13
CHANCE PRECIP (%) 50 20 40
TEMP (24H TREND) 74 (-6) 62 (+2) 82
RH % (24H TREND) 86 (+38) 100 (+4) 69
20FTWND - AM(MPH) S 8 G17 LGT/VAR
20FTWND - PM(MPH) SE 6 LGT/VAR LGT/VAR
PRECIP AMOUNT 0.04 0.00 0.00
PRECIP DURATION 2 1 1
PRECIP BEGIN 6 AM CONTINUING 1 PM
PRECIP END CONTINUING 5 AM 6 PM
MIXING HGT(FT-AGL) 2080(MRGL) 4380(UNST)
TRANSPORT WND (MPH) S 8 NW 7
VENT RATE (KT-FT) 14560 26280
CWR 10 10
KBDI 301-400 301-400 301-400
REMARKS...NONE.
NHZ026-172015-
SEACOAST-
INCLUDING THE CITIES OF PORTSMOUTH, DOVER, HAMPTON, AND EXETER
219 AM EDT MON AUG 17 2026
TODAY TONIGHT TUE
CLOUD COVER MCLDY MCLDY PCLDY
PRECIP TYPE SHOWERS SHOWERS NONE
CHANCE OF THUNDER (%) 10 10 11
CHANCE PRECIP (%) 60 30 0
TEMP (24H TREND) 75 (-3) 63 (+2) 81
RH % (24H TREND) 84 (+29) 100 (+4) 73
20FTWND - AM(MPH) S 8 G17 LGT/VAR
20FTWND - PM(MPH) SE 8 G17 LGT/VAR LGT/VAR
PRECIP AMOUNT 0.09 0.02 0.00
PRECIP DURATION 4 1
PRECIP BEGIN 6 AM CONTINUING
PRECIP END CONTINUING 4 AM
MIXING HGT(FT-AGL) 1910(MRGL) 3110(UNST)
TRANSPORT WND (MPH) S 10 N 9
VENT RATE (KT-FT) 17190 24880
CWR 30 30 0
KBDI 401-500 401-500 401-500
REMARKS...NONE.
FORECAST FOR DAYS 3 THROUGH 7
TUESDAY NIGHT
MOSTLY CLOUDY. LOWS IN THE UPPER 50S. NORTHWEST
WINDS AROUND 5 MPH.
WEDNESDAY
MOSTLY SUNNY. HIGHS IN THE LOWER 80S. SOUTHWEST
WINDS AROUND 5 MPH. DAYTIME HUMIDITY VALUES MODERATE.
WEDNESDAY NIGHT
PARTLY CLOUDY. LOWS IN THE UPPER 50S. WEST
WINDS AROUND 5 MPH.
THURSDAY
MOSTLY SUNNY. HIGHS IN THE UPPER 70S. NORTHWEST 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. SOUTH WINDS
AROUND 5 MPH.
SATURDAY
MOSTLY SUNNY. HIGHS IN THE UPPER 70S. SOUTHEAST WINDS
AROUND 5 MPH. DAYTIME HUMIDITY VALUES MODERATE.
SATURDAY NIGHT
MOSTLY CLOUDY. LOWS IN THE MID 50S. SOUTHEAST
WINDS AROUND 5 MPH.
SUNDAY
PARTLY SUNNY WITH A CHANCE OF SHOWERS. HIGHS IN THE MID
70S. SOUTHEAST WINDS 5 TO 10 MPH. DAYTIME HUMIDITY VALUES HIGH.
OUTLOOK 8 TO 14 DAYS
TEMPERATURES NEAR NORMAL. PRECIPITATION NEAR NORMAL.
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