775
FNUS51 KGYX 181837
FWFGYX
FIRE WEATHER PLANNING FORECAST FOR WESTERN MAINE AND NEW HAMPSHIRE
NATIONAL WEATHER SERVICE GRAY ME
237 PM EDT SAT APR 18 2026
DISCUSSION
MOISTURE INCREASES TONIGHT WITH WIDESPREAD WETTING
RAINS SUNDAY CHANGING TO SNOW ACROSS THE MOUNTAINS. COOLER AND
DRIER CONDITIONS ARRIVE MONDAY AND PERSIST THROUGH MUCH OF NEXT
WEEK.
MEZ104-190815-
WESTERN MAINE MOUNTAINS AND FOOTHILLS-
INCLUDING THE CITIES OF FARMINGTON, RUMFORD, BETHEL, EUSTIS,
JACKMAN, AND CARRABASSETT VALLEY
237 PM EDT SAT APR 18 2026
TONIGHT SUN SUN NIGHT MON
CLOUD COVER MCLDY MCLDY PCLDY PCLDY
PRECIP TYPE RAIN SNOW/RAIN SNOW NONE
CHANCE OF THUNDER (%) 1 5 3 5
CHANCE PRECIP (%) 20 100 50 0
TEMP (24H TREND) 35 (-1) 46 (-13) 22 41
RH % (24H TREND) 100 (+8) 74 (+21) 95 35
20FTWND - AM(MPH) SW 10 G25 W 12 G26
20FTWND - PM(MPH) SE 17 G34 NW 13 G31 NW 17 G36 NW 12 G26
PRECIP AMOUNT 0.02 0.50 0.10 0.00
PRECIP DURATION 0 10 2
PRECIP BEGIN 3 AM CONTINUING CONTINUING
PRECIP END CONTINUING CONTINUING 1 AM
MIXING HGT(FT-AGL) 2280(MRGL) 7100(UNST)
TRANSPORT WND (MPH) NW 20 NW 18
VENT RATE (KT-FT) 38760 113600
CWR 10 100 100 0
KBDI <200 <200 <200 <200
REMARKS...NONE.
MEZ107-190815-
KENNEBEC RIVER VALLEY-
INCLUDING THE CITIES OF AUGUSTA, WATERVILLE, SKOWHEGAN, AUBURN,
LEWISTON, LIBERTY, AND LIVERMORE
237 PM EDT SAT APR 18 2026
TONIGHT SUN SUN NIGHT MON
CLOUD COVER MCLDY MCLDY PCLDY PCLDY
PRECIP TYPE RAIN RAIN SNOW/RAIN NONE
CHANCE OF THUNDER (%) 0(NONE) 8 7 5
CHANCE PRECIP (%) 20 100 80 0
TEMP (24H TREND) 39 (0) 47 (-13) 28 47
RH % (24H TREND) 100 (+1) 84 (+31) 98 37
20FTWND - AM(MPH) S 5 W 8 G17
20FTWND - PM(MPH) SE 9 G19 NW 9 G19 NW 11 G21 NW 10 G19
PRECIP AMOUNT 0.01 0.52 0.13 0.00
PRECIP DURATION 1 8 2
PRECIP BEGIN 8 PM CONTINUING CONTINUING
PRECIP END CONTINUING CONTINUING 2 AM
MIXING HGT(FT-AGL) 2000(MRGL) 7160(UNST)
TRANSPORT WND (MPH) NW 18 W 14
VENT RATE (KT-FT) 32000 85920
CWR 100 100 0
KBDI <200 <200 <200 <200
REMARKS...NONE.
MEZ109-190815-
LAKES REGION-
INCLUDING THE CITIES OF SANFORD, NORTH WINDHAM, GRAY,
NEW GLOUCESER, FRYEBURG, SOUTH PARIS, AND HIRAM
237 PM EDT SAT APR 18 2026
TONIGHT SUN SUN NIGHT MON
CLOUD COVER MCLDY CLOUDY PCLDY PCLDY
PRECIP TYPE NONE RAIN RAIN NONE
CHANCE OF THUNDER (%) 1 7 3 4
CHANCE PRECIP (%) 0 100 50 0
TEMP (24H TREND) 39 (-2) 47 (-11) 28 47
RH % (24H TREND) 100 (+1) 77 (+20) 92 34
20FTWND - AM(MPH) LGT/VAR W 8 G17
20FTWND - PM(MPH) SE 9 G18 NW 11 G24 W 11 G24 NW 9 G19
PRECIP AMOUNT 0.00 0.51 0.09 0.00
PRECIP DURATION 9 1
PRECIP BEGIN 6 AM CONTINUING
PRECIP END CONTINUING 12 AM
MIXING HGT(FT-AGL) 2030(MRGL) 8000(UNST)
TRANSPORT WND (MPH) NW 18 W 14
VENT RATE (KT-FT) 32480 96000
CWR 0 100 100 0
KBDI <200 <200 <200 <200
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
237 PM EDT SAT APR 18 2026
TONIGHT SUN SUN NIGHT MON
CLOUD COVER MCLDY CLOUDY PCLDY PCLDY
PRECIP TYPE RAIN RAIN SNOW/RAIN NONE
CHANCE OF THUNDER (%) 0(NONE) 9 6 4
CHANCE PRECIP (%) 20 100 70 0
TEMP (24H TREND) 39 (-1) 47 (-9) 29 49
RH % (24H TREND) 100 (0) 80 (+16) 99 38
20FTWND - AM(MPH) S 5 W 5
20FTWND - PM(MPH) E 9 G18 W 12 G25 NW 13 G25 W 8
PRECIP AMOUNT 0.00 0.46 0.10 0.00
PRECIP DURATION 0 8 2
PRECIP BEGIN 8 PM CONTINUING CONTINUING
PRECIP END CONTINUING CONTINUING 1 AM
MIXING HGT(FT-AGL) 1940(MRGL) 7810(UNST)
TRANSPORT WND (MPH) NW 25 W 14
VENT RATE (KT-FT) 42680 93720
CWR 100 100 0
KBDI <200 <200 <200 <200
REMARKS...NONE.
MEZ111-190815-
MID-COAST-
INCLUDING THE CITIES OF WALDOBORO, ROCKLAND, CAMDEN,
LINCOLNVILLE, BELFAST, SEARSPORT, ISLESBORO, AND VINALHAVEN
237 PM EDT SAT APR 18 2026
TONIGHT SUN SUN NIGHT MON
CLOUD COVER MCLDY MCLDY PCLDY PCLDY
PRECIP TYPE RAIN RAIN SNOW/RAIN NONE
CHANCE OF THUNDER (%) 0(NONE) 10 9 5
CHANCE PRECIP (%) 20 100 90 0
TEMP (24H TREND) 38 (-2) 47 (-9) 29 48
RH % (24H TREND) 100 (0) 87 (+25) 100 41
20FTWND - AM(MPH) S 6 W 6
20FTWND - PM(MPH) SE 10 G19 W 6 NW 10 G21 W 8 G17
PRECIP AMOUNT 0.02 0.44 0.15 0.00
PRECIP DURATION 1 7 3
PRECIP BEGIN 8 PM 6 AM CONTINUING
PRECIP END 1 AM CONTINUING 2 AM
MIXING HGT(FT-AGL) 1840(MRGL) 5890(UNST)
TRANSPORT WND (MPH) NW 16 W 15
VENT RATE (KT-FT) 25760 76570
CWR 100 100 0
KBDI <200 <200 <200 <200
REMARKS...NONE.
NHZ021-190815-
COOS COUNTY-
INCLUDING THE CITIES OF ERROL, MILLSFIELD, COLEBROOK, BERLIN,
DUMMER, MILAN, YORK POND, AND LANCASTER
237 PM EDT SAT APR 18 2026
TONIGHT SUN SUN NIGHT MON
CLOUD COVER MCLDY MCLDY PCLDY PCLDY
PRECIP TYPE RAIN SNOW/RAIN SNOW SNOW SHOWERS
CHANCE OF THUNDER (%) 3 6 1 5
CHANCE PRECIP (%) 50 100 30 20
TEMP (24H TREND) 33 (-3) 45 (-15) 22 37
RH % (24H TREND) 100 (+5) 76 (+25) 97 41
20FTWND - AM(MPH) SW 11 G28 W 12 G29
20FTWND - PM(MPH) SE 19 G36 W 14 G33 W 16 G36 NW 12 G29
PRECIP AMOUNT 0.07 0.58 0.07 0.00
PRECIP DURATION 1 10 1 1
PRECIP BEGIN 2 AM CONTINUING CONTINUING CONTINUING
PRECIP END CONTINUING CONTINUING CONTINUING 6 PM
MIXING HGT(FT-AGL) 2520(MRGL) 6430(UNST)
TRANSPORT WND (MPH) NW 21 NW 20
VENT RATE (KT-FT) 45360 109310
CWR 30 100 100
KBDI <200 <200 <200 <200
REMARKS...NONE.
NHZ022-190815-
WHITE MOUNTIANS-
INCLUDING THE CITIES OF LINCOLN, LITTLETON, THORNTON,
WATERVILLE VALLEY, WOODSTOCK, JACKSON, NORTH CONWAY, CONWAY,
AND CRAWFORD NOTCH
237 PM EDT SAT APR 18 2026
TONIGHT SUN SUN NIGHT MON
CLOUD COVER MCLDY MCLDY PCLDY PCLDY
PRECIP TYPE RAIN SNOW/RAIN NONE SNOW SHOWERS
CHANCE OF THUNDER (%) 2 7 1 4
CHANCE PRECIP (%) 50 100 0 10
TEMP (24H TREND) 34 (-7) 46 (-14) 25 42
RH % (24H TREND) 100 (+5) 73 (+19) 93 34
20FTWND - AM(MPH) SW 9 G26 NW 11 G28
20FTWND - PM(MPH) SE 14 G32 NW 12 G31 W 13 G35 NW 11 G26
PRECIP AMOUNT 0.07 0.60 0.00 0.00
PRECIP DURATION 1 10 1
PRECIP BEGIN 2 AM CONTINUING 11 AM
PRECIP END CONTINUING 6 PM 6 PM
MIXING HGT(FT-AGL) 2580(MRGL) 7460(UNST)
TRANSPORT WND (MPH) NW 21 NW 17
VENT RATE (KT-FT) 46440 111900
CWR 30 100 0
KBDI <200 <200 <200 <200
REMARKS...NONE.
NHZ023-190815-
CENTRAL LAKES-
INCLUDING THE CITIES OF LEBANON, PLYMOUTH, LACONIA, WOLFEBORO,
ALTON, AND OSSIPEE
237 PM EDT SAT APR 18 2026
TONIGHT SUN SUN NIGHT MON
CLOUD COVER MCLDY MCLDY MCLEAR PCLDY
PRECIP TYPE RAIN RAIN NONE NONE
CHANCE OF THUNDER (%) 2 7 1 3
CHANCE PRECIP (%) 30 100 0 0
TEMP (24H TREND) 37 (-6) 47 (-13) 28 45
RH % (24H TREND) 100 (+3) 73 (+20) 94 34
20FTWND - AM(MPH) S 5 W 10 G21
20FTWND - PM(MPH) SE 10 G24 NW 11 G23 W 11 G24 NW 10 G21
PRECIP AMOUNT 0.04 0.48 0.00 0.00
PRECIP DURATION 0 9
PRECIP BEGIN 3 AM CONTINUING
PRECIP END CONTINUING 6 PM
MIXING HGT(FT-AGL) 2440(MRGL) 7930(UNST)
TRANSPORT WND (MPH) NW 22 NW 16
VENT RATE (KT-FT) 46360 111020
CWR 20 100 0 0
KBDI <200 <200 <200 <200
REMARKS...NONE.
NHZ024-190815-
LAKE SUNAPEE AND MONADNOCKS-
INCLUDING THE CITIES OF CLAREMONT, KEENE, AND JAFFREY
237 PM EDT SAT APR 18 2026
TONIGHT SUN SUN NIGHT MON
CLOUD COVER MCLDY MCLDY MCLEAR PCLDY
PRECIP TYPE RAIN RAIN NONE NONE
CHANCE OF THUNDER (%) 3 8 1 4
CHANCE PRECIP (%) 30 100 0 0
TEMP (24H TREND) 38 (-6) 49 (-12) 28 45
RH % (24H TREND) 100 (+1) 70 (+14) 93 34
20FTWND - AM(MPH) SW 6 W 8 G19
20FTWND - PM(MPH) SE 9 G20 NW 9 G20 W 9 G20 NW 8 G17
PRECIP AMOUNT 0.03 0.43 0.00 0.00
PRECIP DURATION 0 8
PRECIP BEGIN 4 AM CONTINUING
PRECIP END CONTINUING 6 PM
MIXING HGT(FT-AGL) 2520(MRGL) 7860(UNST)
TRANSPORT WND (MPH) NW 22 W 16
VENT RATE (KT-FT) 47880 110040
CWR 10 100 0 0
KBDI <200 <200 <200 <200
REMARKS...NONE.
NHZ025-190815-
MERRIMACK VALLEY-
INCLUDING THE CITIES OF MANCHESTER, NASHUA, WEARE, AND DERRY
237 PM EDT SAT APR 18 2026
TONIGHT SUN SUN NIGHT MON
CLOUD COVER MCLDY MCLDY MCLEAR PCLDY
PRECIP TYPE RAIN RAIN NONE NONE
CHANCE OF THUNDER (%) 3 8 3 3
CHANCE PRECIP (%) 20 100 0 0
TEMP (24H TREND) 40 (-3) 50 (-9) 30 49
RH % (24H TREND) 100 (+1) 74 (+16) 91 33
20FTWND - AM(MPH) LGT/VAR W 8 G17
20FTWND - PM(MPH) E 8 G17 NW 12 G23 W 12 G23 NW 9 G19
PRECIP AMOUNT 0.01 0.42 0.00 0.00
PRECIP DURATION 0 8
PRECIP BEGIN 4 AM CONTINUING
PRECIP END CONTINUING 6 PM
MIXING HGT(FT-AGL) 2410(MRGL) 8250(UNST)
TRANSPORT WND (MPH) NW 28 W 16
VENT RATE (KT-FT) 57840 115500
CWR 100 0 0
KBDI <200 <200 <200 <200
REMARKS...NONE.
NHZ026-190815-
SEACOAST-
INCLUDING THE CITIES OF PORTSMOUTH, DOVER, HAMPTON, AND EXETER
237 PM EDT SAT APR 18 2026
TONIGHT SUN SUN NIGHT MON
CLOUD COVER MCLDY MCLDY PCLDY PCLDY
PRECIP TYPE RAIN RAIN NONE NONE
CHANCE OF THUNDER (%) 2 8 4 3
CHANCE PRECIP (%) 20 100 0 0
TEMP (24H TREND) 41 (-1) 49 (-7) 32 49
RH % (24H TREND) 100 (0) 77 (+14) 89 34
20FTWND - AM(MPH) SE 5 W 6
20FTWND - PM(MPH) E 9 G18 W 11 G23 W 12 G24 NW 8 G17
PRECIP AMOUNT 0.00 0.36 0.00 0.00
PRECIP DURATION 0 8
PRECIP BEGIN 4 AM CONTINUING
PRECIP END CONTINUING 6 PM
MIXING HGT(FT-AGL) 2140(MRGL) 8090(UNST)
TRANSPORT WND (MPH) NW 24 W 16
VENT RATE (KT-FT) 44940 113260
CWR 100 0 0
KBDI <200 <200 <200 <200
REMARKS...NONE.
FORECAST FOR DAYS 3 THROUGH 7
MONDAY NIGHT
MOSTLY CLEAR. LOWS IN THE LOWER 20S. NORTHWEST
WINDS 5 TO 10 MPH.
TUESDAY
SUNNY. HIGHS IN THE MID 40S. WEST WINDS AROUND 5 MPH.
DAYTIME HUMIDITY VALUES LOW.
TUESDAY NIGHT
MOSTLY CLOUDY. LOWS AROUND 30. SOUTH WINDS
AROUND 5 MPH.
WEDNESDAY
MOSTLY CLOUDY. HIGHS IN THE UPPER 40S. SOUTHWEST
WINDS 5 TO 10 MPH. DAYTIME HUMIDITY VALUES MODERATE.
WEDNESDAY NIGHT
MOSTLY CLOUDY. LOWS IN THE LOWER 30S.
NORTHWEST WINDS AROUND 5 MPH.
THURSDAY
PARTLY SUNNY. HIGHS IN THE MID 50S. NORTHWEST WINDS
5 TO 10 MPH. DAYTIME HUMIDITY VALUES MODERATE.
THURSDAY NIGHT
MOSTLY CLOUDY. LOWS IN THE MID 30S. NORTHWEST
WINDS 5 TO 10 MPH.
FRIDAY
MOSTLY SUNNY. HIGHS IN THE MID 50S. NORTHWEST WINDS
5 TO 10 MPH. DAYTIME HUMIDITY VALUES MODERATE.
FRIDAY NIGHT
MOSTLY CLOUDY. LOWS IN THE MID 30S. NORTH WINDS
AROUND 5 MPH.
SATURDAY
MOSTLY SUNNY. HIGHS IN THE UPPER 50S. NORTHEAST WINDS
AROUND 5 MPH. DAYTIME HUMIDITY VALUES MODERATE.
OUTLOOK 8 TO 14 DAYS
TEMPERATURES NEAR NORMAL. PRECIPITATION NEAR NORMAL.
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