066
FNUS51 KGYX 180631
FWFGYX
FIRE WEATHER PLANNING FORECAST FOR WESTERN MAINE AND NEW HAMPSHIRE
NATIONAL WEATHER SERVICE GRAY ME
231 AM EDT THU JUN 18 2026
DISCUSSION
WETTING RAINS FROM SHOWERS AND THUNDERSTORMS MOVE THROUGH TODAY.
SOME SHOWERS ARE POSSIBLE AGAIN ACROSS THE NORTH ON FRIDAY.
SEASONABLY COOL TEMPS, MODERATE RH VALUES, AND SCATTERED SHOWERS
ARE EXPECTED THROUGH THE WEEKEND AND INTO EARLY NEXT WEEK.
MEZ104-182030-
WESTERN MAINE MOUNTAINS AND FOOTHILLS-
INCLUDING THE CITIES OF FARMINGTON, RUMFORD, BETHEL, EUSTIS,
JACKMAN, AND CARRABASSETT VALLEY
231 AM EDT THU JUN 18 2026
TODAY TONIGHT FRI
CLOUD COVER MCLDY PCLDY PCLDY
PRECIP TYPE TSTMS TSTMS TSTMS
CHANCE OF THUNDER (%) 34(ELEV) 32(ELEV) 18(LTD)
CHANCE PRECIP (%) 100 60 30
TEMP (24H TREND) 64 (-9) 51 (+2) 73
RH % (24H TREND) 76 (+30) 100 (+4) 51
20FTWND - AM(MPH) SE 14 G35 W 17 G34
20FTWND - PM(MPH) SE 17 G37 S 12 G27 W 17 G34
PRECIP AMOUNT 0.97 0.23 0.01
PRECIP DURATION 10 3 3
PRECIP BEGIN 6 AM CONTINUING CONTINUING
PRECIP END CONTINUING CONTINUING CONTINUING
MIXING HGT(FT-AGL) 1940(MRGL) 5640(UNST)
TRANSPORT WND (MPH) SE 22 W 22
VENT RATE (KT-FT) 36860 107160
CWR 100 100
KBDI <200 <200 <200
REMARKS...NONE.
MEZ107-182030-
KENNEBEC RIVER VALLEY-
INCLUDING THE CITIES OF AUGUSTA, WATERVILLE, SKOWHEGAN, AUBURN,
LEWISTON, LIBERTY, AND LIVERMORE
231 AM EDT THU JUN 18 2026
TODAY TONIGHT FRI
CLOUD COVER MCLDY PCLDY MCLEAR
PRECIP TYPE TSTMS TSTMS NONE
CHANCE OF THUNDER (%) 33(ELEV) 33(ELEV) 4
CHANCE PRECIP (%) 100 80 0
TEMP (24H TREND) 67 (-11) 54 (+3) 79
RH % (24H TREND) 81 (+40) 100 (+2) 48
20FTWND - AM(MPH) SE 12 G27 SW 13 G26
20FTWND - PM(MPH) SE 18 G36 S 17 G34 W 13 G26
PRECIP AMOUNT 0.54 0.20 0.00
PRECIP DURATION 9 2
PRECIP BEGIN 6 AM CONTINUING
PRECIP END CONTINUING 11 PM
MIXING HGT(FT-AGL) 1850(MRGL) 6040(UNST)
TRANSPORT WND (MPH) SE 25 W 22
VENT RATE (KT-FT) 40700 114760
CWR 100 100 0
KBDI <200 <200 <200
REMARKS...NONE.
MEZ109-182030-
LAKES REGION-
INCLUDING THE CITIES OF SANFORD, NORTH WINDHAM, GRAY,
NEW GLOUCESER, FRYEBURG, SOUTH PARIS, AND HIRAM
231 AM EDT THU JUN 18 2026
TODAY TONIGHT FRI
CLOUD COVER MCLDY MCLEAR MCLEAR
PRECIP TYPE TSTMS TSTMS NONE
CHANCE OF THUNDER (%) 37(ELEV) 37(ELEV) 0(NONE)
CHANCE PRECIP (%) 100 50 0
TEMP (24H TREND) 72 (-5) 55 (+4) 80
RH % (24H TREND) 82 (+40) 98 (-1) 42
20FTWND - AM(MPH) SE 12 G27 W 16 G29
20FTWND - PM(MPH) SE 18 G36 SW 13 G31 W 16 G29
PRECIP AMOUNT 0.55 0.15 0.00
PRECIP DURATION 10 1
PRECIP BEGIN 6 AM CONTINUING
PRECIP END CONTINUING 9 PM
MIXING HGT(FT-AGL) 1760(MRGL) 7090(UNST)
TRANSPORT WND (MPH) S 23 W 22
VENT RATE (KT-FT) 35200 134710
CWR 100 100 0
KBDI <200 <200 <200
REMARKS...NONE.
MEZ110-182030-
BEACHES AND CASCO BAY-
INCLUDING THE CITIES OF KITTERY, YORK, KENNEBUNK, SCARBOROUGH,
PORTLAND, YARMOUTH, FREEPORT, BRUNSWICK, TOPSHAM,
BOOTHBAY HARBOR, AND DAMARISCOTTA
231 AM EDT THU JUN 18 2026
TODAY TONIGHT FRI
CLOUD COVER MCLDY PCLDY MCLEAR
PRECIP TYPE TSTMS TSTMS NONE
CHANCE OF THUNDER (%) 32(ELEV) 32(ELEV) 0(NONE)
CHANCE PRECIP (%) 100 70 0
TEMP (24H TREND) 74 (-1) 57 (+4) 81
RH % (24H TREND) 76 (+27) 99 (+2) 42
20FTWND - AM(MPH) SE 14 G28 W 12 G25
20FTWND - PM(MPH) SE 20 G40 S 19 G37 W 14 G28
PRECIP AMOUNT 0.33 0.13 0.00
PRECIP DURATION 10 1
PRECIP BEGIN 6 AM CONTINUING
PRECIP END CONTINUING 9 PM
MIXING HGT(FT-AGL) 1490(MRGL) 7060(UNST)
TRANSPORT WND (MPH) S 26 W 22
VENT RATE (KT-FT) 34270 134140
CWR 100 100 0
KBDI <200 <200 201-300
REMARKS...NONE.
MEZ111-182030-
MID-COAST-
INCLUDING THE CITIES OF WALDOBORO, ROCKLAND, CAMDEN,
LINCOLNVILLE, BELFAST, SEARSPORT, ISLESBORO, AND VINALHAVEN
231 AM EDT THU JUN 18 2026
TODAY TONIGHT FRI
CLOUD COVER MCLDY PCLDY MCLEAR
PRECIP TYPE SHOWERS TSTMS NONE
CHANCE OF THUNDER (%) 29(ELEV) 29(ELEV) 3
CHANCE PRECIP (%) 100 100 0
TEMP (24H TREND) 69 (-6) 54 (+3) 81
RH % (24H TREND) 75 (+23) 100 (+3) 49
20FTWND - AM(MPH) SE 11 G23 SW 12 G25
20FTWND - PM(MPH) SE 17 G36 S 18 G37 W 12 G25
PRECIP AMOUNT 0.39 0.21 0.00
PRECIP DURATION 7 2
PRECIP BEGIN 8 AM CONTINUING
PRECIP END CONTINUING 11 PM
MIXING HGT(FT-AGL) 1490(MRGL) 6150(UNST)
TRANSPORT WND (MPH) SE 25 W 20
VENT RATE (KT-FT) 32780 104550
CWR 100 100 0
KBDI <200 <200 <200
REMARKS...NONE.
NHZ021-182030-
COOS COUNTY-
INCLUDING THE CITIES OF ERROL, MILLSFIELD, COLEBROOK, BERLIN,
DUMMER, MILAN, YORK POND, AND LANCASTER
231 AM EDT THU JUN 18 2026
TODAY TONIGHT FRI
CLOUD COVER MCLDY PCLDY PCLDY
PRECIP TYPE TSTMS TSTMS TSTMS
CHANCE OF THUNDER (%) 39(ELEV) 32(ELEV) 22(LTD)
CHANCE PRECIP (%) 100 50 60
TEMP (24H TREND) 67 (-3) 50 (+1) 70
RH % (24H TREND) 75 (+24) 100 (+3) 55
20FTWND - AM(MPH) SE 14 G40 W 19 G42
20FTWND - PM(MPH) SE 16 G42 SW 14 G36 W 19 G41
PRECIP AMOUNT 0.99 0.22 0.02
PRECIP DURATION 10 2 3
PRECIP BEGIN 6 AM CONTINUING CONTINUING
PRECIP END CONTINUING CONTINUING CONTINUING
MIXING HGT(FT-AGL) 1810(MRGL) 5350(UNST)
TRANSPORT WND (MPH) SE 22 W 23
VENT RATE (KT-FT) 34390 107000
CWR 100 100
KBDI <200 <200 <200
REMARKS...NONE.
NHZ022-182030-
WHITE MOUNTIANS-
INCLUDING THE CITIES OF LINCOLN, LITTLETON, THORNTON,
WATERVILLE VALLEY, WOODSTOCK, JACKSON, NORTH CONWAY, CONWAY,
AND CRAWFORD NOTCH
231 AM EDT THU JUN 18 2026
TODAY TONIGHT FRI
CLOUD COVER MCLDY PCLDY PCLDY
PRECIP TYPE TSTMS TSTMS SHOWERS
CHANCE OF THUNDER (%) 39(ELEV) 33(ELEV) 15(LTD)
CHANCE PRECIP (%) 100 50 20
TEMP (24H TREND) 71 (-2) 52 (+1) 74
RH % (24H TREND) 77 (+32) 99 (-1) 48
20FTWND - AM(MPH) SE 12 G40 W 17 G37
20FTWND - PM(MPH) S 12 G41 SW 13 G33 W 16 G36
PRECIP AMOUNT 1.03 0.23 0.00
PRECIP DURATION 11 1 1
PRECIP BEGIN 6 AM CONTINUING 2 PM
PRECIP END CONTINUING 10 PM CONTINUING
MIXING HGT(FT-AGL) 1860(MRGL) 6240(UNST)
TRANSPORT WND (MPH) SW 17 W 21
VENT RATE (KT-FT) 27900 112320
CWR 100 100
KBDI <200 <200 <200
REMARKS...NONE.
NHZ023-182030-
CENTRAL LAKES-
INCLUDING THE CITIES OF LEBANON, PLYMOUTH, LACONIA, WOLFEBORO,
ALTON, AND OSSIPEE
231 AM EDT THU JUN 18 2026
TODAY TONIGHT FRI
CLOUD COVER MCLDY MCLEAR MCLEAR
PRECIP TYPE TSTMS TSTMS NONE
CHANCE OF THUNDER (%) 36(ELEV) 31(ELEV) 1
CHANCE PRECIP (%) 100 50 0
TEMP (24H TREND) 74 (-2) 55 (+2) 77
RH % (24H TREND) 76 (+37) 96 (-4) 44
20FTWND - AM(MPH) SE 11 G25 W 17 G32
20FTWND - PM(MPH) S 14 G31 SW 11 G26 W 16 G29
PRECIP AMOUNT 0.63 0.14 0.00
PRECIP DURATION 11 0
PRECIP BEGIN 6 AM CONTINUING
PRECIP END CONTINUING 8 PM
MIXING HGT(FT-AGL) 2070(MRGL) 6870(UNST)
TRANSPORT WND (MPH) S 21 W 22
VENT RATE (KT-FT) 37260 130530
CWR 100 100 0
KBDI <200 <200 <200
REMARKS...NONE.
NHZ024-182030-
LAKE SUNAPEE AND MONADNOCKS-
INCLUDING THE CITIES OF CLAREMONT, KEENE, AND JAFFREY
231 AM EDT THU JUN 18 2026
TODAY TONIGHT FRI
CLOUD COVER MCLDY MCLEAR MCLEAR
PRECIP TYPE TSTMS TSTMS NONE
CHANCE OF THUNDER (%) 31(ELEV) 24(LTD) 0(NONE)
CHANCE PRECIP (%) 100 50 0
TEMP (24H TREND) 75 (-1) 55 (+1) 76
RH % (24H TREND) 76 (+39) 94 (-6) 42
20FTWND - AM(MPH) S 11 G25 W 13 G26
20FTWND - PM(MPH) S 12 G28 SW 10 G23 W 13 G26
PRECIP AMOUNT 0.44 0.10 0.00
PRECIP DURATION 11 0
PRECIP BEGIN 6 AM CONTINUING
PRECIP END CONTINUING 8 PM
MIXING HGT(FT-AGL) 2480(MRGL) 7350(UNST)
TRANSPORT WND (MPH) S 24 W 22
VENT RATE (KT-FT) 52080 139650
CWR 100 100 0
KBDI <200 <200 <200
REMARKS...NONE.
NHZ025-182030-
MERRIMACK VALLEY-
INCLUDING THE CITIES OF MANCHESTER, NASHUA, WEARE, AND DERRY
231 AM EDT THU JUN 18 2026
TODAY TONIGHT FRI
CLOUD COVER MCLDY MCLEAR MCLEAR
PRECIP TYPE TSTMS TSTMS NONE
CHANCE OF THUNDER (%) 28(ELEV) 28(ELEV) 0(NONE)
CHANCE PRECIP (%) 100 50 0
TEMP (24H TREND) 78 (-1) 57 (+3) 80
RH % (24H TREND) 78 (+42) 92 (-5) 40
20FTWND - AM(MPH) S 11 G23 W 13 G26
20FTWND - PM(MPH) S 14 G28 SW 11 G25 W 14 G28
PRECIP AMOUNT 0.29 0.09 0.00
PRECIP DURATION 8 1
PRECIP BEGIN 6 AM CONTINUING
PRECIP END CONTINUING 9 PM
MIXING HGT(FT-AGL) 2640(MRGL) 7940(UNST)
TRANSPORT WND (MPH) S 25 W 22
VENT RATE (KT-FT) 58080 150860
CWR 100 100 0
KBDI 201-300 201-300 201-300
REMARKS...NONE.
NHZ026-182030-
SEACOAST-
INCLUDING THE CITIES OF PORTSMOUTH, DOVER, HAMPTON, AND EXETER
231 AM EDT THU JUN 18 2026
TODAY TONIGHT FRI
CLOUD COVER MCLDY MCLEAR MCLEAR
PRECIP TYPE TSTMS TSTMS NONE
CHANCE OF THUNDER (%) 28(ELEV) 28(ELEV) 0(NONE)
CHANCE PRECIP (%) 100 70 0
TEMP (24H TREND) 77 (-1) 58 (+2) 81
RH % (24H TREND) 77 (+32) 91 (0) 40
20FTWND - AM(MPH) SE 11 G25 W 12 G25
20FTWND - PM(MPH) S 16 G33 SW 11 G25 W 13 G26
PRECIP AMOUNT 0.25 0.10 0.00
PRECIP DURATION 8 1
PRECIP BEGIN 6 AM CONTINUING
PRECIP END CONTINUING 9 PM
MIXING HGT(FT-AGL) 2120(MRGL) 7980(UNST)
TRANSPORT WND (MPH) S 24 W 21
VENT RATE (KT-FT) 44520 143640
CWR 90 90 0
KBDI 201-300 201-300 301-400
REMARKS...NONE.
FORECAST FOR DAYS 3 THROUGH 7
FRIDAY NIGHT
MOSTLY CLEAR WITH SHOWERS LIKELY. LOWS IN THE MID
50S. WEST WINDS 10 TO 15 MPH.
SATURDAY
PARTLY SUNNY WITH SHOWERS LIKELY. HIGHS IN THE LOWER
70S. WEST WINDS 10 TO 15 MPH. DAYTIME HUMIDITY VALUES MODERATE.
SATURDAY NIGHT
MOSTLY CLOUDY WITH A CHANCE OF SHOWERS. LOWS IN
THE LOWER 50S. NORTHWEST WINDS 5 TO 10 MPH.
SUNDAY
PARTLY SUNNY WITH A CHANCE OF SHOWERS. HIGHS IN THE MID
70S. NORTHWEST WINDS 5 TO 10 MPH. DAYTIME HUMIDITY VALUES
MODERATE.
SUNDAY NIGHT
MOSTLY CLOUDY WITH A CHANCE OF SHOWERS. LOWS IN
THE LOWER 50S. WEST WINDS AROUND 5 MPH.
MONDAY
PARTLY SUNNY WITH SHOWERS LIKELY. HIGHS IN THE LOWER
70S. SOUTHEAST WINDS AROUND 5 MPH. DAYTIME HUMIDITY VALUES HIGH.
MONDAY NIGHT
MOSTLY CLOUDY WITH A CHANCE OF SHOWERS. LOWS IN
THE MID 50S. NORTHEAST WINDS AROUND 5 MPH.
TUESDAY
PARTLY SUNNY WITH A CHANCE OF SHOWERS. HIGHS IN THE
MID 70S. NORTHWEST WINDS 5 TO 10 MPH. DAYTIME HUMIDITY VALUES
MODERATE.
TUESDAY NIGHT
PARTLY CLOUDY. LOWS IN THE MID 50S. NORTHWEST
WINDS AROUND 5 MPH.
WEDNESDAY
MOSTLY SUNNY. HIGHS IN THE UPPER 70S. NORTHWEST
WINDS AROUND 5 MPH. DAYTIME HUMIDITY VALUES MODERATE.
OUTLOOK 8 TO 14 DAYS
TEMPERATURES NEAR NORMAL. PRECIPITATION NEAR NORMAL.
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