193
FNUS51 KGYX 180625
FWFGYX
FIRE WEATHER PLANNING FORECAST FOR WESTERN MAINE AND NEW HAMPSHIRE
NATIONAL WEATHER SERVICE GRAY ME
225 AM EDT MON MAY 18 2026
DISCUSSION
A FEW SHOWERS ARE POSSIBLE ACROSS CENTRAL AND NORTHERN NH AND INTO
THE WESTERN ME MOUNTAINS THIS MORNING AND EARLY AFTERNOON, BUT
DRY CONDITIONS ARE EXPECTED ELSEWHERE. NH IS EXPECTED TO REACH
THE 70S AND 80S WHILE ONSHORE FLOW KEEPS WESTERN MAINE IN THE 60S
AND 70S. TUESDAY AND WEDNESDAY WILL BE HOT AND BREEZY WITH
TEMPERATURES WELL INTO THE 80S, POSSIBLY LOW 90S IN SOUTHERN NH
ON TUESDAY, BUT INCREASING DEWPOINTS AHEAD OF A FRONT SHOULD KEEP
RH MORE IN THE 35 TO 50 PERCENT RANGE. THE FRONT WILL ALSO BRING A
CHANCE OF STORMS ON BOTH TUESDAY AND WEDNESDAY AFTERNOONS WITH
LOCALIZED WETTING RAINS POSSIBLE. COOLER AND DRIER CONDITIONS
WILL FOLLOW THE FRONT FOR THURSDAY AND FRIDAY.
MEZ104-182015-
WESTERN MAINE MOUNTAINS AND FOOTHILLS-
INCLUDING THE CITIES OF FARMINGTON, RUMFORD, BETHEL, EUSTIS,
JACKMAN, AND CARRABASSETT VALLEY
225 AM EDT MON MAY 18 2026
TODAY TONIGHT TUE
CLOUD COVER PCLDY PCLDY PCLDY
PRECIP TYPE SHOWERS NONE TSTMS
CHANCE OF THUNDER (%) 7 3 18(LTD)
CHANCE PRECIP (%) 20 0 60
TEMP (24H TREND) 67 (-3) 47 (0) 86
RH % (24H TREND) 45 (+2) 96 (+26) 47
20FTWND - AM(MPH) S 6 G17 SW 12 G29
20FTWND - PM(MPH) S 10 G23 S 9 G23 W 12 G31
PRECIP AMOUNT 0.01 0.00 0.02
PRECIP DURATION 1 4
PRECIP BEGIN 10 AM 9 AM
PRECIP END 6 PM CONTINUING
MIXING HGT(FT-AGL) 3280(UNST) 5410(UNST)
TRANSPORT WND (MPH) S 15 W 22
VENT RATE (KT-FT) 42640 102790
CWR 0
KBDI <200 <200 <200
REMARKS...NONE.
MEZ107-182015-
KENNEBEC RIVER VALLEY-
INCLUDING THE CITIES OF AUGUSTA, WATERVILLE, SKOWHEGAN, AUBURN,
LEWISTON, LIBERTY, AND LIVERMORE
225 AM EDT MON MAY 18 2026
TODAY TONIGHT TUE
CLOUD COVER PCLDY MCLEAR PCLDY
PRECIP TYPE NONE NONE TSTMS
CHANCE OF THUNDER (%) 3 3 18(LTD)
CHANCE PRECIP (%) 0 0 40
TEMP (24H TREND) 67 (-12) 47 (-3) 87
RH % (24H TREND) 41 (+3) 90 (+22) 44
20FTWND - AM(MPH) LGT/VAR SW 6 G18
20FTWND - PM(MPH) S 10 G21 S 9 G19 SW 10 G24
PRECIP AMOUNT 0.00 0.00 0.02
PRECIP DURATION 1
PRECIP BEGIN 11 AM
PRECIP END 6 PM
MIXING HGT(FT-AGL) 3720(UNST) 6110(UNST)
TRANSPORT WND (MPH) S 15 W 18
VENT RATE (KT-FT) 48360 97760
CWR 0 0
KBDI <200 <200 <200
REMARKS...NONE.
MEZ109-182015-
LAKES REGION-
INCLUDING THE CITIES OF SANFORD, NORTH WINDHAM, GRAY,
NEW GLOUCESER, FRYEBURG, SOUTH PARIS, AND HIRAM
225 AM EDT MON MAY 18 2026
TODAY TONIGHT TUE
CLOUD COVER PCLDY MCLEAR PCLDY
PRECIP TYPE NONE NONE SHOWERS
CHANCE OF THUNDER (%) 2 3 10
CHANCE PRECIP (%) 0 0 20
TEMP (24H TREND) 69 (-13) 48 (-4) 89
RH % (24H TREND) 43 (+8) 93 (+22) 38
20FTWND - AM(MPH) SE 6 SW 10 G24
20FTWND - PM(MPH) S 10 G19 SE 8 G17 W 12 G26
PRECIP AMOUNT 0.00 0.00 0.00
PRECIP DURATION 1
PRECIP BEGIN 1 PM
PRECIP END 6 PM
MIXING HGT(FT-AGL) 3300(UNST) 6620(UNST)
TRANSPORT WND (MPH) S 14 W 20
VENT RATE (KT-FT) 39600 112540
CWR 0 0
KBDI <200 <200 <200
REMARKS...NONE.
MEZ110-182015-
BEACHES AND CASCO BAY-
INCLUDING THE CITIES OF KITTERY, YORK, KENNEBUNK, SCARBOROUGH,
PORTLAND, YARMOUTH, FREEPORT, BRUNSWICK, TOPSHAM,
BOOTHBAY HARBOR, AND DAMARISCOTTA
225 AM EDT MON MAY 18 2026
TODAY TONIGHT TUE
CLOUD COVER PCLDY MCLEAR PCLDY
PRECIP TYPE NONE NONE SHOWERS
CHANCE OF THUNDER (%) 2 3 9
CHANCE PRECIP (%) 0 0 20
TEMP (24H TREND) 65 (-18) 47 (-5) 88
RH % (24H TREND) 47 (+10) 97 (+26) 42
20FTWND - AM(MPH) E 5 SW 8 G20
20FTWND - PM(MPH) SE 8 G17 SE 5 SW 10 G24
PRECIP AMOUNT 0.00 0.00 0.00
PRECIP DURATION 0
PRECIP BEGIN 2 PM
PRECIP END 6 PM
MIXING HGT(FT-AGL) 2650(MRGL) 5160(UNST)
TRANSPORT WND (MPH) SE 8 W 16
VENT RATE (KT-FT) 18550 72240
CWR 0 0
KBDI <200 <200 <200
REMARKS...NONE.
MEZ111-182015-
MID-COAST-
INCLUDING THE CITIES OF WALDOBORO, ROCKLAND, CAMDEN,
LINCOLNVILLE, BELFAST, SEARSPORT, ISLESBORO, AND VINALHAVEN
225 AM EDT MON MAY 18 2026
TODAY TONIGHT TUE
CLOUD COVER PCLDY PCLDY PCLDY
PRECIP TYPE NONE NONE TSTMS
CHANCE OF THUNDER (%) 3 3 16(LTD)
CHANCE PRECIP (%) 0 0 30
TEMP (24H TREND) 65 (-14) 46 (-3) 87
RH % (24H TREND) 43 (+2) 98 (+25) 47
20FTWND - AM(MPH) LGT/VAR SW 6 G18
20FTWND - PM(MPH) S 8 G17 S 5 SW 9 G24
PRECIP AMOUNT 0.00 0.00 0.01
PRECIP DURATION 1
PRECIP BEGIN 12 PM
PRECIP END CONTINUING
MIXING HGT(FT-AGL) 3130(UNST) 4570(UNST)
TRANSPORT WND (MPH) S 10 W 16
VENT RATE (KT-FT) 28170 63980
CWR 0 0
KBDI <200 <200 <200
REMARKS...NONE.
NHZ021-182015-
COOS COUNTY-
INCLUDING THE CITIES OF ERROL, MILLSFIELD, COLEBROOK, BERLIN,
DUMMER, MILAN, YORK POND, AND LANCASTER
225 AM EDT MON MAY 18 2026
TODAY TONIGHT TUE
CLOUD COVER PCLDY MCLEAR PCLDY
PRECIP TYPE SHOWERS NONE TSTMS
CHANCE OF THUNDER (%) 5 5 21(LTD)
CHANCE PRECIP (%) 30 0 60
TEMP (24H TREND) 73 (+2) 53 (+7) 84
RH % (24H TREND) 48 (+3) 94 (+17) 48
20FTWND - AM(MPH) S 8 G21 SW 13 G32
20FTWND - PM(MPH) S 10 G28 S 9 G32 W 13 G34
PRECIP AMOUNT 0.02 0.00 0.04
PRECIP DURATION 1 4
PRECIP BEGIN 8 AM 7 AM
PRECIP END 4 PM CONTINUING
MIXING HGT(FT-AGL) 3240(UNST) 4860(UNST)
TRANSPORT WND (MPH) S 17 W 21
VENT RATE (KT-FT) 48600 87480
CWR 0 10
KBDI <200 <200 <200
REMARKS...NONE.
NHZ022-182015-
WHITE MOUNTIANS-
INCLUDING THE CITIES OF LINCOLN, LITTLETON, THORNTON,
WATERVILLE VALLEY, WOODSTOCK, JACKSON, NORTH CONWAY, CONWAY,
AND CRAWFORD NOTCH
225 AM EDT MON MAY 18 2026
TODAY TONIGHT TUE
CLOUD COVER PCLDY MCLEAR PCLDY
PRECIP TYPE SHOWERS NONE TSTMS
CHANCE OF THUNDER (%) 7 4 19(LTD)
CHANCE PRECIP (%) 30 0 40
TEMP (24H TREND) 76 (-1) 53 (+3) 88
RH % (24H TREND) 42 (+3) 94 (+20) 40
20FTWND - AM(MPH) S 9 G21 SW 12 G29
20FTWND - PM(MPH) S 10 G26 S 8 G28 W 12 G32
PRECIP AMOUNT 0.03 0.00 0.00
PRECIP DURATION 1 1
PRECIP BEGIN 7 AM 11 AM
PRECIP END 11 AM CONTINUING
MIXING HGT(FT-AGL) 3290(UNST) 6060(UNST)
TRANSPORT WND (MPH) S 16 W 20
VENT RATE (KT-FT) 46060 103020
CWR 0
KBDI <200 <200 <200
REMARKS...NONE.
NHZ023-182015-
CENTRAL LAKES-
INCLUDING THE CITIES OF LEBANON, PLYMOUTH, LACONIA, WOLFEBORO,
ALTON, AND OSSIPEE
225 AM EDT MON MAY 18 2026
TODAY TONIGHT TUE
CLOUD COVER PCLDY MCLEAR PCLDY
PRECIP TYPE SHOWERS NONE SHOWERS
CHANCE OF THUNDER (%) 8 3 9
CHANCE PRECIP (%) 20 0 20
TEMP (24H TREND) 79 (-1) 52 (-1) 90
RH % (24H TREND) 39 (+2) 90 (+19) 35
20FTWND - AM(MPH) SE 8 G17 SW 11 G26
20FTWND - PM(MPH) S 9 G19 SE 6 W 12 G29
PRECIP AMOUNT 0.02 0.00 0.00
PRECIP DURATION 0 1
PRECIP BEGIN 7 AM 1 PM
PRECIP END 11 AM 6 PM
MIXING HGT(FT-AGL) 3730(UNST) 6450(UNST)
TRANSPORT WND (MPH) S 16 W 23
VENT RATE (KT-FT) 52220 129000
CWR 0
KBDI <200 <200 <200
REMARKS...NONE.
NHZ024-182015-
LAKE SUNAPEE AND MONADNOCKS-
INCLUDING THE CITIES OF CLAREMONT, KEENE, AND JAFFREY
225 AM EDT MON MAY 18 2026
TODAY TONIGHT TUE
CLOUD COVER PCLDY MCLEAR PCLDY
PRECIP TYPE NONE NONE SHOWERS
CHANCE OF THUNDER (%) 8 3 11
CHANCE PRECIP (%) 0 0 20
TEMP (24H TREND) 84 (+2) 59 (+5) 92
RH % (24H TREND) 40 (+2) 88 (+14) 35
20FTWND - AM(MPH) SE 6 SW 11 G26
20FTWND - PM(MPH) S 8 G17 S 6 W 11 G26
PRECIP AMOUNT 0.00 0.00 0.00
PRECIP DURATION 0
PRECIP BEGIN 3 PM
PRECIP END 6 PM
MIXING HGT(FT-AGL) 3940(UNST) 6430(UNST)
TRANSPORT WND (MPH) S 18 W 23
VENT RATE (KT-FT) 63040 128600
CWR 0 0
KBDI <200 <200 <200
REMARKS...NONE.
NHZ025-182015-
MERRIMACK VALLEY-
INCLUDING THE CITIES OF MANCHESTER, NASHUA, WEARE, AND DERRY
225 AM EDT MON MAY 18 2026
TODAY TONIGHT TUE
CLOUD COVER PCLDY MCLEAR PCLDY
PRECIP TYPE NONE NONE SHOWERS
CHANCE OF THUNDER (%) 6 3 11
CHANCE PRECIP (%) 0 0 20
TEMP (24H TREND) 79 (-4) 55 (0) 93
RH % (24H TREND) 37 (+3) 89 (+22) 33
20FTWND - AM(MPH) SE 8 SW 10 G24
20FTWND - PM(MPH) SE 9 G17 SE 6 W 12 G26
PRECIP AMOUNT 0.00 0.00 0.00
PRECIP DURATION 0
PRECIP BEGIN 3 PM
PRECIP END 6 PM
MIXING HGT(FT-AGL) 3830(UNST) 6680(UNST)
TRANSPORT WND (MPH) S 16 W 23
VENT RATE (KT-FT) 53620 133600
CWR 0 0
KBDI <200 <200 <200
REMARKS...NONE.
NHZ026-182015-
SEACOAST-
INCLUDING THE CITIES OF PORTSMOUTH, DOVER, HAMPTON, AND EXETER
225 AM EDT MON MAY 18 2026
TODAY TONIGHT TUE
CLOUD COVER PCLDY MCLEAR PCLDY
PRECIP TYPE NONE NONE SHOWERS
CHANCE OF THUNDER (%) 4 3 8
CHANCE PRECIP (%) 0 0 20
TEMP (24H TREND) 69 (-15) 53 (-2) 92
RH % (24H TREND) 44 (+10) 92 (+20) 36
20FTWND - AM(MPH) E 6 SW 9 G20
20FTWND - PM(MPH) SE 8 G17 SE 5 SW 11 G24
PRECIP AMOUNT 0.00 0.00 0.00
PRECIP DURATION 0
PRECIP BEGIN 4 PM
PRECIP END 6 PM
MIXING HGT(FT-AGL) 2620(MRGL) 6640(UNST)
TRANSPORT WND (MPH) SE 12 W 21
VENT RATE (KT-FT) 26200 119520
CWR 0 0
KBDI <200 <200 <200
REMARKS...NONE.
FORECAST FOR DAYS 3 THROUGH 7
TUESDAY NIGHT
PARTLY CLOUDY. LOWS IN THE MID 60S. SOUTHWEST
WINDS 5 TO 10 MPH.
WEDNESDAY
PARTLY SUNNY WITH A CHANCE OF SHOWERS. HIGHS IN THE
LOWER 80S. WEST WINDS 10 TO 15 MPH. DAYTIME HUMIDITY VALUES
MODERATE.
WEDNESDAY NIGHT
PARTLY CLOUDY WITH A CHANCE OF RAIN SHOWERS.
MUCH COLDER. LOWS IN THE MID 40S. NORTHWEST WINDS 10 TO 15 MPH.
THURSDAY
SUNNY. MUCH COOLER. HIGHS AROUND 60. NORTHWEST WINDS
10 TO 15 MPH. DAYTIME HUMIDITY VALUES MODERATE.
THURSDAY NIGHT
MOSTLY CLEAR. LOWS AROUND 40. NORTHWEST WINDS
5 TO 10 MPH.
FRIDAY
MOSTLY SUNNY. HIGHS IN THE MID 60S. WEST WINDS 5 TO
10 MPH. DAYTIME HUMIDITY VALUES MODERATE.
FRIDAY NIGHT
MOSTLY CLOUDY. LOWS IN THE LOWER 40S. SOUTHWEST
WINDS AROUND 5 MPH.
SATURDAY
MOSTLY CLOUDY WITH A CHANCE OF SHOWERS. HIGHS IN THE
LOWER 60S. SOUTHEAST WINDS AROUND 5 MPH. DAYTIME HUMIDITY VALUES
MODERATE.
SATURDAY NIGHT
MOSTLY CLOUDY WITH A CHANCE OF SHOWERS. LOWS IN
THE LOWER 40S. EAST WINDS AROUND 5 MPH.
SUNDAY
MOSTLY CLOUDY WITH A CHANCE OF SHOWERS. HIGHS IN THE
LOWER 60S. SOUTHEAST WINDS AROUND 5 MPH. DAYTIME HUMIDITY VALUES
MODERATE.
OUTLOOK 8 TO 14 DAYS
TEMPERATURES ABOVE NORMAL. PRECIPITATION NEAR NORMAL.
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