704
FNUS51 KGYX 171823
FWFGYX
FIRE WEATHER PLANNING FORECAST FOR WESTERN MAINE AND NEW HAMPSHIRE
NATIONAL WEATHER SERVICE GRAY ME
223 PM EDT SUN MAY 17 2026
DISCUSSION
DRY CONDITIONS CONTINUE INTO MONDAY WITH NH EXPECTED TO
REACH THE 70S AND 80S WHILE ONSHORE FLOW KEEPS WESTERN MAINE IN
THE 60S AND 70S. TUESDAY AND WEDNESDAY WILL BE HOT WITH
TEMPERATURES WELL INTO THE 80S, POSSIBLY LOW 90S IN THE SOUTHERN
NH, 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 AFTERNOON.
MEZ104-180815-
WESTERN MAINE MOUNTAINS AND FOOTHILLS-
INCLUDING THE CITIES OF FARMINGTON, RUMFORD, BETHEL, EUSTIS,
JACKMAN, AND CARRABASSETT VALLEY
223 PM EDT SUN MAY 17 2026
TONIGHT MON MON NIGHT TUE
CLOUD COVER PCLDY PCLDY PCLDY PCLDY
PRECIP TYPE NONE NONE NONE TSTMS
CHANCE OF THUNDER (%) 0(NONE) 5 5 20(LTD)
CHANCE PRECIP (%) 0 0 0 50
TEMP (24H TREND) 39 (-16) 71 (+4) 48 85
RH % (24H TREND) 78 (-7) 37 (-6) 91 45
20FTWND - AM(MPH) SE 6 G17 SW 12 G28
20FTWND - PM(MPH) NW 16 G34 S 11 G25 S 11 G23 W 12 G28
PRECIP AMOUNT 0.00 0.00 0.00 0.07
PRECIP DURATION 2
PRECIP BEGIN 9 AM
PRECIP END CONTINUING
MIXING HGT(FT-AGL) 3280(UNST) 5410(UNST)
TRANSPORT WND (MPH) S 15 W 22
VENT RATE (KT-FT) 42640 102790
CWR 0 0 0
KBDI <200 <200 <200 <200
REMARKS...NONE.
MEZ107-180815-
KENNEBEC RIVER VALLEY-
INCLUDING THE CITIES OF AUGUSTA, WATERVILLE, SKOWHEGAN, AUBURN,
LEWISTON, LIBERTY, AND LIVERMORE
223 PM EDT SUN MAY 17 2026
TONIGHT MON MON NIGHT TUE
CLOUD COVER PCLDY PCLDY PCLDY PCLDY
PRECIP TYPE NONE NONE NONE TSTMS
CHANCE OF THUNDER (%) 0(NONE) 4 3 19(LTD)
CHANCE PRECIP (%) 0 0 0 20
TEMP (24H TREND) 45 (-8) 70 (-5) 48 88
RH % (24H TREND) 75 (-16) 37 (-1) 90 42
20FTWND - AM(MPH) LGT/VAR SW 6
20FTWND - PM(MPH) NW 16 G29 S 12 G23 S 11 G23 SW 10 G21
PRECIP AMOUNT 0.00 0.00 0.00 0.03
PRECIP DURATION 1
PRECIP BEGIN 1 PM
PRECIP END CONTINUING
MIXING HGT(FT-AGL) 3720(UNST) 6110(UNST)
TRANSPORT WND (MPH) S 15 W 18
VENT RATE (KT-FT) 48360 97760
CWR 0 0 0
KBDI <200 <200 <200 <200
REMARKS...NONE.
MEZ109-180815-
LAKES REGION-
INCLUDING THE CITIES OF SANFORD, NORTH WINDHAM, GRAY,
NEW GLOUCESER, FRYEBURG, SOUTH PARIS, AND HIRAM
223 PM EDT SUN MAY 17 2026
TONIGHT MON MON NIGHT TUE
CLOUD COVER PCLDY PCLDY MCLEAR PCLDY
PRECIP TYPE NONE NONE NONE NONE
CHANCE OF THUNDER (%) 0(NONE) 3 3 12
CHANCE PRECIP (%) 0 0 0 0
TEMP (24H TREND) 47 (-9) 71 (-6) 48 90
RH % (24H TREND) 79 (-6) 40 (+5) 92 38
20FTWND - AM(MPH) SE 6 SW 10 G19
20FTWND - PM(MPH) NW 13 G26 S 11 G21 SE 10 G19 SW 12 G23
PRECIP AMOUNT 0.00 0.00 0.00 0.00
PRECIP DURATION
PRECIP BEGIN
PRECIP END
MIXING HGT(FT-AGL) 3300(UNST) 6620(UNST)
TRANSPORT WND (MPH) S 14 W 20
VENT RATE (KT-FT) 39600 112540
CWR 0 0 0 0
KBDI <200 <200 <200 <200
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
223 PM EDT SUN MAY 17 2026
TONIGHT MON MON NIGHT TUE
CLOUD COVER PCLDY PCLDY PCLDY PCLDY
PRECIP TYPE NONE NONE NONE NONE
CHANCE OF THUNDER (%) 0(NONE) 2 2 14
CHANCE PRECIP (%) 0 0 0 0
TEMP (24H TREND) 49 (-7) 66 (-12) 47 90
RH % (24H TREND) 79 (-8) 44 (+7) 96 40
20FTWND - AM(MPH) E 5 SW 8 G17
20FTWND - PM(MPH) NW 12 G26 S 9 G19 S 6 SW 11 G21
PRECIP AMOUNT 0.00 0.00 0.00 0.00
PRECIP DURATION
PRECIP BEGIN
PRECIP END
MIXING HGT(FT-AGL) 2650(MRGL) 5160(UNST)
TRANSPORT WND (MPH) SE 8 W 16
VENT RATE (KT-FT) 18550 72240
CWR 0 0 0 0
KBDI <200 <200 <200 <200
REMARKS...NONE.
MEZ111-180815-
MID-COAST-
INCLUDING THE CITIES OF WALDOBORO, ROCKLAND, CAMDEN,
LINCOLNVILLE, BELFAST, SEARSPORT, ISLESBORO, AND VINALHAVEN
223 PM EDT SUN MAY 17 2026
TONIGHT MON MON NIGHT TUE
CLOUD COVER PCLDY PCLDY PCLDY PCLDY
PRECIP TYPE NONE NONE NONE TSTMS
CHANCE OF THUNDER (%) 0(NONE) 3 3 16(LTD)
CHANCE PRECIP (%) 0 0 0 20
TEMP (24H TREND) 47 (-7) 68 (-7) 47 87
RH % (24H TREND) 73 (-16) 38 (-3) 96 44
20FTWND - AM(MPH) LGT/VAR SW 6 G18
20FTWND - PM(MPH) NW 11 G23 S 9 G19 S 8 G17 SW 10 G21
PRECIP AMOUNT 0.00 0.00 0.00 0.02
PRECIP DURATION 0
PRECIP BEGIN 2 PM
PRECIP END 6 PM
MIXING HGT(FT-AGL) 3130(UNST) 4570(UNST)
TRANSPORT WND (MPH) S 10 W 16
VENT RATE (KT-FT) 28170 63980
CWR 0 0 0
KBDI <200 <200 <200 <200
REMARKS...NONE.
NHZ021-180815-
COOS COUNTY-
INCLUDING THE CITIES OF ERROL, MILLSFIELD, COLEBROOK, BERLIN,
DUMMER, MILAN, YORK POND, AND LANCASTER
223 PM EDT SUN MAY 17 2026
TONIGHT MON MON NIGHT TUE
CLOUD COVER PCLDY PCLDY PCLDY PCLDY
PRECIP TYPE NONE NONE NONE TSTMS
CHANCE OF THUNDER (%) 0(NONE) 7 6 25(ELEV)
CHANCE PRECIP (%) 0 0 0 70
TEMP (24H TREND) 40 (-14) 75 (+8) 54 82
RH % (24H TREND) 80 (-4) 42 (-3) 88 49
20FTWND - AM(MPH) S 6 G21 SW 13 G32
20FTWND - PM(MPH) NW 16 G37 S 10 G25 S 10 G25 W 13 G32
PRECIP AMOUNT 0.00 0.00 0.00 0.12
PRECIP DURATION 3
PRECIP BEGIN 9 AM
PRECIP END CONTINUING
MIXING HGT(FT-AGL) 3240(UNST) 4860(UNST)
TRANSPORT WND (MPH) S 17 W 21
VENT RATE (KT-FT) 48600 87480
CWR 0 0 0 10
KBDI <200 <200 <200 <200
REMARKS...NONE.
NHZ022-180815-
WHITE MOUNTIANS-
INCLUDING THE CITIES OF LINCOLN, LITTLETON, THORNTON,
WATERVILLE VALLEY, WOODSTOCK, JACKSON, NORTH CONWAY, CONWAY,
AND CRAWFORD NOTCH
223 PM EDT SUN MAY 17 2026
TONIGHT MON MON NIGHT TUE
CLOUD COVER PCLDY PCLDY MCLEAR PCLDY
PRECIP TYPE NONE NONE NONE TSTMS
CHANCE OF THUNDER (%) 0(NONE) 6 5 22(LTD)
CHANCE PRECIP (%) 0 0 0 30
TEMP (24H TREND) 45 (-10) 78 (+6) 52 87
RH % (24H TREND) 82 (-3) 39 (0) 91 40
20FTWND - AM(MPH) S 8 G21 SW 11 G28
20FTWND - PM(MPH) NW 14 G36 S 10 G23 S 9 G23 W 13 G29
PRECIP AMOUNT 0.00 0.00 0.00 0.05
PRECIP DURATION 1
PRECIP BEGIN 11 AM
PRECIP END CONTINUING
MIXING HGT(FT-AGL) 3290(UNST) 6060(UNST)
TRANSPORT WND (MPH) S 16 W 20
VENT RATE (KT-FT) 46060 103020
CWR 0 0 0
KBDI <200 <200 <200 <200
REMARKS...NONE.
NHZ023-180815-
CENTRAL LAKES-
INCLUDING THE CITIES OF LEBANON, PLYMOUTH, LACONIA, WOLFEBORO,
ALTON, AND OSSIPEE
223 PM EDT SUN MAY 17 2026
TONIGHT MON MON NIGHT TUE
CLOUD COVER PCLDY PCLDY MCLEAR PCLDY
PRECIP TYPE NONE NONE NONE NONE
CHANCE OF THUNDER (%) 0(NONE) 4 4 12
CHANCE PRECIP (%) 0 0 0 0
TEMP (24H TREND) 48 (-9) 80 (+4) 53 89
RH % (24H TREND) 80 (-3) 37 (0) 87 36
20FTWND - AM(MPH) SE 8 G17 SW 10 G21
20FTWND - PM(MPH) NW 14 G28 S 9 G19 SE 8 G17 W 13 G26
PRECIP AMOUNT 0.00 0.00 0.00 0.00
PRECIP DURATION
PRECIP BEGIN
PRECIP END
MIXING HGT(FT-AGL) 3730(UNST) 6450(UNST)
TRANSPORT WND (MPH) S 16 W 23
VENT RATE (KT-FT) 52220 129000
CWR 0 0 0 0
KBDI <200 <200 <200 <200
REMARKS...NONE.
NHZ024-180815-
LAKE SUNAPEE AND MONADNOCKS-
INCLUDING THE CITIES OF CLAREMONT, KEENE, AND JAFFREY
223 PM EDT SUN MAY 17 2026
TONIGHT MON MON NIGHT TUE
CLOUD COVER PCLDY PCLDY MCLEAR PCLDY
PRECIP TYPE NONE NONE NONE NONE
CHANCE OF THUNDER (%) 2 5 7 16(LTD)
CHANCE PRECIP (%) 0 0 0 0
TEMP (24H TREND) 48 (-7) 82 (+4) 58 90
RH % (24H TREND) 82 (-6) 39 (+1) 87 37
20FTWND - AM(MPH) SE 6 SW 9 G19
20FTWND - PM(MPH) NW 13 G26 S 8 G17 S 8 G17 W 11 G23
PRECIP AMOUNT 0.00 0.00 0.00 0.00
PRECIP DURATION
PRECIP BEGIN
PRECIP END
MIXING HGT(FT-AGL) 3940(UNST) 6430(UNST)
TRANSPORT WND (MPH) S 18 W 23
VENT RATE (KT-FT) 63040 128600
CWR 0 0 0 0
KBDI <200 <200 <200 <200
REMARKS...NONE.
NHZ025-180815-
MERRIMACK VALLEY-
INCLUDING THE CITIES OF MANCHESTER, NASHUA, WEARE, AND DERRY
223 PM EDT SUN MAY 17 2026
TONIGHT MON MON NIGHT TUE
CLOUD COVER PCLDY PCLDY MCLEAR MCLEAR
PRECIP TYPE NONE NONE NONE NONE
CHANCE OF THUNDER (%) 2 2 6 15(LTD)
CHANCE PRECIP (%) 0 0 0 0
TEMP (24H TREND) 49 (-6) 79 (-3) 55 92
RH % (24H TREND) 79 (-10) 36 (+2) 85 35
20FTWND - AM(MPH) SE 6 SW 9 G19
20FTWND - PM(MPH) NW 16 G29 SE 9 G17 SE 6 W 12 G25
PRECIP AMOUNT 0.00 0.00 0.00 0.00
PRECIP DURATION
PRECIP BEGIN
PRECIP END
MIXING HGT(FT-AGL) 3830(UNST) 6680(UNST)
TRANSPORT WND (MPH) S 16 W 23
VENT RATE (KT-FT) 53620 133600
CWR 0 0 0 0
KBDI <200 <200 <200 <200
REMARKS...NONE.
NHZ026-180815-
SEACOAST-
INCLUDING THE CITIES OF PORTSMOUTH, DOVER, HAMPTON, AND EXETER
223 PM EDT SUN MAY 17 2026
TONIGHT MON MON NIGHT TUE
CLOUD COVER PCLDY PCLDY MCLEAR MCLEAR
PRECIP TYPE NONE NONE NONE NONE
CHANCE OF THUNDER (%) 0(NONE) 2 6 15(LTD)
CHANCE PRECIP (%) 0 0 0 0
TEMP (24H TREND) 51 (-6) 69 (-13) 53 92
RH % (24H TREND) 79 (-7) 42 (+8) 89 36
20FTWND - AM(MPH) E 6 SW 8
20FTWND - PM(MPH) NW 17 G29 SE 9 G17 SE 6 SW 11 G23
PRECIP AMOUNT 0.00 0.00 0.00 0.00
PRECIP DURATION
PRECIP BEGIN
PRECIP END
MIXING HGT(FT-AGL) 2620(MRGL) 6640(UNST)
TRANSPORT WND (MPH) SE 12 W 21
VENT RATE (KT-FT) 26200 119520
CWR 0 0 0 0
KBDI <200 <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
MOSTLY 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. COLDER. LOWS IN THE MID 40S.
NORTHWEST WINDS 10 TO 15 MPH.
THURSDAY
MOSTLY SUNNY. COOLER. HIGHS IN THE LOWER 60S.
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 LOWER 60S. SOUTHWEST WINDS
5 TO 10 MPH. DAYTIME HUMIDITY VALUES MODERATE.
FRIDAY NIGHT
MOSTLY CLOUDY. LOWS IN THE LOWER 40S. SOUTH WINDS
5 TO 10 MPH.
SATURDAY
PARTLY SUNNY. 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 MID 40S. SOUTHEAST WINDS AROUND 5 MPH.
SUNDAY
MOSTLY CLOUDY WITH A CHANCE OF SHOWERS. HIGHS IN THE
LOWER 60S. EAST WINDS AROUND 5 MPH. DAYTIME HUMIDITY VALUES
MODERATE.
OUTLOOK 8 TO 14 DAYS
TEMPERATURES ABOVE NORMAL. PRECIPITATION NEAR NORMAL.
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