434
FNUS51 KGYX 170639
FWFGYX
FIRE WEATHER PLANNING FORECAST FOR WESTERN MAINE AND NEW HAMPSHIRE
NATIONAL WEATHER SERVICE GRAY ME
239 AM EDT THU SEP 17 2026
DISCUSSION
A COMPACT LOW WILL BRING A PERIOD OF RAIN AND SHOWERS TO THE AREA
LATER THIS AFTERNOON AND OVERNIGHT. A WETTING RAIN IS LIKELY FOR
PORTIONS OF CENTRAL AND SOUTHERN NH INTO THE ME LAKE REGION AND
COAST, BUT PRECIPITATION MAY BE MORE SHOWERY OUTSIDE OF THIS
AREA. BREEZY NW WINDS OF 25 TO 35 MPH DEVELOP IN ITS WAKE FRIDAY,
WITH DRIER CONDITIONS THROUGH SATURDAY. RAIN CHANCES THEN RETURN
SUNDAY.
MEZ104-172015-
WESTERN MAINE MOUNTAINS AND FOOTHILLS-
INCLUDING THE CITIES OF FARMINGTON, RUMFORD, BETHEL, EUSTIS,
JACKMAN, AND CARRABASSETT VALLEY
239 AM EDT THU SEP 17 2026
TODAY TONIGHT FRI
CLOUD COVER MCLDY MCLDY MCLEAR
PRECIP TYPE SHOWERS SHOWERS NONE
CHANCE OF THUNDER (%) 5 5 0(NONE)
CHANCE PRECIP (%) 30 40 0
TEMP (24H TREND) 71 (0) 49 (-4) 66
RH % (24H TREND) 66 (+7) 100 (+1) 39
20FTWND - AM(MPH) LGT/VAR NW 14 G32
20FTWND - PM(MPH) S 5 LGT/VAR NW 17 G36
PRECIP AMOUNT 0.02 0.03 0.00
PRECIP DURATION 2 1
PRECIP BEGIN 9 AM CONTINUING
PRECIP END CONTINUING 2 AM
MIXING HGT(FT-AGL) 3140(UNST) 5900(UNST)
TRANSPORT WND (MPH) SW 9 NW 24
VENT RATE (KT-FT) 25120 123900
CWR 10 10 0
KBDI 301-400 301-400 301-400
REMARKS...NONE.
MEZ107-172015-
KENNEBEC RIVER VALLEY-
INCLUDING THE CITIES OF AUGUSTA, WATERVILLE, SKOWHEGAN, AUBURN,
LEWISTON, LIBERTY, AND LIVERMORE
239 AM EDT THU SEP 17 2026
TODAY TONIGHT FRI
CLOUD COVER MCLDY MCLDY MCLEAR
PRECIP TYPE SHOWERS SHOWERS NONE
CHANCE OF THUNDER (%) 4 6 0(NONE)
CHANCE PRECIP (%) 20 70 0
TEMP (24H TREND) 71 (-4) 55 (+1) 71
RH % (24H TREND) 72 (+14) 100 (0) 40
20FTWND - AM(MPH) LGT/VAR NW 13 G27
20FTWND - PM(MPH) LGT/VAR LGT/VAR NW 16 G33
PRECIP AMOUNT 0.02 0.16 0.00
PRECIP DURATION 1 3
PRECIP BEGIN 9 AM CONTINUING
PRECIP END CONTINUING 4 AM
MIXING HGT(FT-AGL) 2570(MRGL) 6840(UNST)
TRANSPORT WND (MPH) S 7 NW 23
VENT RATE (KT-FT) 15420 136800
CWR 10 40 0
KBDI 501-600 501-600 501-600
REMARKS...NONE.
MEZ109-172015-
LAKES REGION-
INCLUDING THE CITIES OF SANFORD, NORTH WINDHAM, GRAY,
NEW GLOUCESER, FRYEBURG, SOUTH PARIS, AND HIRAM
239 AM EDT THU SEP 17 2026
TODAY TONIGHT FRI
CLOUD COVER MCLDY MCLDY MCLEAR
PRECIP TYPE SHOWERS SHOWERS NONE
CHANCE OF THUNDER (%) 8 11 0(NONE)
CHANCE PRECIP (%) 30 80 0
TEMP (24H TREND) 73 (-5) 55 (-1) 72
RH % (24H TREND) 74 (+19) 100 (+1) 40
20FTWND - AM(MPH) LGT/VAR NW 12 G27
20FTWND - PM(MPH) LGT/VAR LGT/VAR NW 14 G32
PRECIP AMOUNT 0.06 0.23 0.00
PRECIP DURATION 1 4
PRECIP BEGIN 8 AM CONTINUING
PRECIP END CONTINUING 3 AM
MIXING HGT(FT-AGL) 2250(MRGL) 6910(UNST)
TRANSPORT WND (MPH) S 7 NW 20
VENT RATE (KT-FT) 13500 117470
CWR 30 60 0
KBDI 501-600 501-600 501-600
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
239 AM EDT THU SEP 17 2026
TODAY TONIGHT FRI
CLOUD COVER MCLDY MCLDY MCLEAR
PRECIP TYPE SPRINKLES TSTMS NONE
CHANCE OF THUNDER (%) 6 11 0(NONE)
CHANCE PRECIP (%) 30 90 0
TEMP (24H TREND) 71 (0) 55 (0) 75
RH % (24H TREND) 74 (+10) 100 (0) 38
20FTWND - AM(MPH) LGT/VAR NW 12 G27
20FTWND - PM(MPH) SE 5 LGT/VAR NW 14 G31
PRECIP AMOUNT 0.04 0.41 0.00
PRECIP DURATION 1 5
PRECIP BEGIN 8 AM CONTINUING
PRECIP END CONTINUING 4 AM
MIXING HGT(FT-AGL) 1740(MRGL) 7240(UNST)
TRANSPORT WND (MPH) SE 7 NW 18
VENT RATE (KT-FT) 10440 115840
CWR 20 100 0
KBDI 501-600 501-600 501-600
REMARKS...NONE.
MEZ111-172015-
MID-COAST-
INCLUDING THE CITIES OF WALDOBORO, ROCKLAND, CAMDEN,
LINCOLNVILLE, BELFAST, SEARSPORT, ISLESBORO, AND VINALHAVEN
239 AM EDT THU SEP 17 2026
TODAY TONIGHT FRI
CLOUD COVER MCLDY MCLDY MCLEAR
PRECIP TYPE NONE SHOWERS NONE
CHANCE OF THUNDER (%) 3 7 0(NONE)
CHANCE PRECIP (%) 0 90 0
TEMP (24H TREND) 70 (+1) 55 (+2) 73
RH % (24H TREND) 77 (+6) 100 (0) 41
20FTWND - AM(MPH) LGT/VAR NW 12 G27
20FTWND - PM(MPH) LGT/VAR LGT/VAR NW 14 G32
PRECIP AMOUNT 0.00 0.35 0.00
PRECIP DURATION 6
PRECIP BEGIN 6 PM
PRECIP END 5 AM
MIXING HGT(FT-AGL) 1810(MRGL) 7240(UNST)
TRANSPORT WND (MPH) SE 7 NW 22
VENT RATE (KT-FT) 10860 137560
CWR 0 90 0
KBDI 501-600 501-600 501-600
REMARKS...NONE.
NHZ021-172015-
COOS COUNTY-
INCLUDING THE CITIES OF ERROL, MILLSFIELD, COLEBROOK, BERLIN,
DUMMER, MILAN, YORK POND, AND LANCASTER
239 AM EDT THU SEP 17 2026
TODAY TONIGHT FRI
CLOUD COVER MCLDY PCLDY MCLEAR
PRECIP TYPE SHOWERS SHOWERS NONE
CHANCE OF THUNDER (%) 4 5 0(NONE)
CHANCE PRECIP (%) 40 40 0
TEMP (24H TREND) 72 (+2) 50 (-3) 64
RH % (24H TREND) 70 (+7) 100 (+1) 47
20FTWND - AM(MPH) LGT/VAR NW 13 G34
20FTWND - PM(MPH) LGT/VAR LGT/VAR NW 16 G36
PRECIP AMOUNT 0.06 0.04 0.00
PRECIP DURATION 2 2
PRECIP BEGIN 8 AM CONTINUING
PRECIP END CONTINUING 2 AM
MIXING HGT(FT-AGL) 3090(UNST) 5560(UNST)
TRANSPORT WND (MPH) SW 8 NW 23
VENT RATE (KT-FT) 21630 111200
CWR 20 20 0
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
239 AM EDT THU SEP 17 2026
TODAY TONIGHT FRI
CLOUD COVER MCLDY MCLDY MCLEAR
PRECIP TYPE SHOWERS SHOWERS NONE
CHANCE OF THUNDER (%) 8 8 0(NONE)
CHANCE PRECIP (%) 50 60 0
TEMP (24H TREND) 72 (-2) 53 (-2) 67
RH % (24H TREND) 75 (+14) 100 (+3) 46
20FTWND - AM(MPH) LGT/VAR NW 11 G29
20FTWND - PM(MPH) LGT/VAR LGT/VAR NW 13 G33
PRECIP AMOUNT 0.09 0.11 0.00
PRECIP DURATION 2 3
PRECIP BEGIN 8 AM CONTINUING
PRECIP END CONTINUING 2 AM
MIXING HGT(FT-AGL) 2110(MRGL) 6200(UNST)
TRANSPORT WND (MPH) S 7 NW 20
VENT RATE (KT-FT) 12660 105400
CWR 40 40 0
KBDI 301-400 301-400 401-500
REMARKS...NONE.
NHZ023-172015-
CENTRAL LAKES-
INCLUDING THE CITIES OF LEBANON, PLYMOUTH, LACONIA, WOLFEBORO,
ALTON, AND OSSIPEE
239 AM EDT THU SEP 17 2026
TODAY TONIGHT FRI
CLOUD COVER MCLDY MCLDY MCLEAR
PRECIP TYPE SHOWERS TSTMS NONE
CHANCE OF THUNDER (%) 14 14 0(NONE)
CHANCE PRECIP (%) 60 70 0
TEMP (24H TREND) 74 (-2) 56 (0) 71
RH % (24H TREND) 74 (+15) 100 (+3) 46
20FTWND - AM(MPH) LGT/VAR NW 10 G24
20FTWND - PM(MPH) LGT/VAR LGT/VAR NW 12 G29
PRECIP AMOUNT 0.13 0.20 0.00
PRECIP DURATION 2 4
PRECIP BEGIN 8 AM CONTINUING
PRECIP END CONTINUING 3 AM
MIXING HGT(FT-AGL) 2390(MRGL) 6340(UNST)
TRANSPORT WND (MPH) S 7 NW 20
VENT RATE (KT-FT) 14340 107780
CWR 50 50 0
KBDI 401-500 401-500 401-500
REMARKS...NONE.
NHZ024-172015-
LAKE SUNAPEE AND MONADNOCKS-
INCLUDING THE CITIES OF CLAREMONT, KEENE, AND JAFFREY
239 AM EDT THU SEP 17 2026
TODAY TONIGHT FRI
CLOUD COVER MCLDY MCLDY MCLEAR
PRECIP TYPE TSTMS TSTMS NONE
CHANCE OF THUNDER (%) 20(LTD) 20(LTD) 0(NONE)
CHANCE PRECIP (%) 70 80 0
TEMP (24H TREND) 75 (-1) 57 (+1) 71
RH % (24H TREND) 74 (+13) 100 (0) 47
20FTWND - AM(MPH) LGT/VAR NW 9 G21
20FTWND - PM(MPH) LGT/VAR LGT/VAR NW 10 G25
PRECIP AMOUNT 0.13 0.31 0.00
PRECIP DURATION 1 5
PRECIP BEGIN 1 PM CONTINUING
PRECIP END CONTINUING 2 AM
MIXING HGT(FT-AGL) 2720(MRGL) 6100(UNST)
TRANSPORT WND (MPH) S 8 NW 18
VENT RATE (KT-FT) 19040 97600
CWR 70 80 0
KBDI 301-400 301-400 301-400
REMARKS...NONE.
NHZ025-172015-
MERRIMACK VALLEY-
INCLUDING THE CITIES OF MANCHESTER, NASHUA, WEARE, AND DERRY
239 AM EDT THU SEP 17 2026
TODAY TONIGHT FRI
CLOUD COVER MCLDY MCLDY MCLEAR
PRECIP TYPE SHOWERS TSTMS NONE
CHANCE OF THUNDER (%) 16(LTD) 18(LTD) 1
CHANCE PRECIP (%) 50 90 0
TEMP (24H TREND) 78 (-1) 60 (+3) 74
RH % (24H TREND) 70 (+13) 100 (+1) 46
20FTWND - AM(MPH) LGT/VAR NW 10 G24
20FTWND - PM(MPH) LGT/VAR LGT/VAR NW 12 G28
PRECIP AMOUNT 0.09 0.32 0.00
PRECIP DURATION 1 6
PRECIP BEGIN 3 PM CONTINUING
PRECIP END CONTINUING 4 AM
MIXING HGT(FT-AGL) 3210(UNST) 6500(UNST)
TRANSPORT WND (MPH) S 8 NW 20
VENT RATE (KT-FT) 22470 110500
CWR 30 80 0
KBDI 401-500 401-500 401-500
REMARKS...NONE.
NHZ026-172015-
SEACOAST-
INCLUDING THE CITIES OF PORTSMOUTH, DOVER, HAMPTON, AND EXETER
239 AM EDT THU SEP 17 2026
TODAY TONIGHT FRI
CLOUD COVER MCLDY MCLDY MCLEAR
PRECIP TYPE SHOWERS TSTMS NONE
CHANCE OF THUNDER (%) 14 19(LTD) 0(NONE)
CHANCE PRECIP (%) 40 90 0
TEMP (24H TREND) 75 (-4) 60 (+3) 74
RH % (24H TREND) 72 (+15) 100 (+1) 42
20FTWND - AM(MPH) LGT/VAR NW 8 G20
20FTWND - PM(MPH) LGT/VAR LGT/VAR NW 10 G25
PRECIP AMOUNT 0.04 0.36 0.00
PRECIP DURATION 0 5
PRECIP BEGIN 4 PM CONTINUING
PRECIP END CONTINUING 4 AM
MIXING HGT(FT-AGL) 2520(MRGL) 7060(UNST)
TRANSPORT WND (MPH) S 7 NW 18
VENT RATE (KT-FT) 15120 112960
CWR 20 100 0
KBDI 501-600 501-600 501-600
REMARKS...NONE.
FORECAST FOR DAYS 3 THROUGH 7
FRIDAY NIGHT
MOSTLY CLEAR. LOWS IN THE LOWER 40S. NORTHWEST
WINDS 10 TO 15 MPH.
SATURDAY
SUNNY. HIGHS IN THE LOWER 60S. NORTHWEST WINDS AROUND
5 MPH. DAYTIME HUMIDITY VALUES MODERATE.
SATURDAY NIGHT
PARTLY CLOUDY. LOWS IN THE LOWER 40S. SOUTH
WINDS AROUND 5 MPH.
SUNDAY
MOSTLY CLOUDY WITH SHOWERS LIKELY. HIGHS IN THE UPPER
50S. SOUTHEAST WINDS 5 TO 10 MPH. DAYTIME HUMIDITY VALUES HIGH.
SUNDAY NIGHT
MOSTLY CLOUDY WITH SHOWERS LIKELY. LOWS IN THE
MID 40S. NORTH WINDS AROUND 5 MPH.
MONDAY
MOSTLY SUNNY. HIGHS IN THE LOWER 60S. NORTH WINDS 5 TO
10 MPH. DAYTIME HUMIDITY VALUES MODERATE.
MONDAY NIGHT
MOSTLY CLOUDY. LOWS IN THE LOWER 40S. NORTH WINDS
AROUND 5 MPH.
TUESDAY
MOSTLY SUNNY. HIGHS IN THE LOWER 60S. NORTHEAST WINDS
AROUND 5 MPH. DAYTIME HUMIDITY VALUES MODERATE.
TUESDAY NIGHT
MOSTLY CLEAR. LOWS IN THE LOWER 40S. NORTHEAST
WINDS AROUND 5 MPH.
WEDNESDAY
SUNNY. HIGHS IN THE MID 60S. EAST WINDS AROUND
5 MPH. DAYTIME HUMIDITY VALUES MODERATE.
OUTLOOK 8 TO 14 DAYS
TEMPERATURES ABOVE NORMAL. PRECIPITATION ABOVE NORMAL.
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