540
FNUS51 KGYX 210659
FWFGYX
FIRE WEATHER PLANNING FORECAST FOR WESTERN MAINE AND NEW HAMPSHIRE
NATIONAL WEATHER SERVICE GRAY ME
259 AM EDT FRI AUG 21 2026
DISCUSSION
MOSTLY DRY CONDITIONS PREVAIL TODAY WITH STEADY NE TO E WINDS AND
MIN RH AROUND 40 PERCENT. HUMIDITY WILL INCREASE OVER THE WEEKEND
WITH SHOWER CHANCES SATURDAY MAINLY CONFINED NEAR THE COAST. ANOTHER
SYSTEM CROSSES SUNDAY AND SUNDAY NIGHT BRINGING POTENTIAL FOR
WETTING RAINFALL. DRIER CONDITIONS RETURN EARLY NEXT WEEK WITH
SOME LINGERING SHOWERS POSSIBLE ON MONDAY ACROSS THE INTERIOR.
MEZ104-212015-
WESTERN MAINE MOUNTAINS AND FOOTHILLS-
INCLUDING THE CITIES OF FARMINGTON, RUMFORD, BETHEL, EUSTIS,
JACKMAN, AND CARRABASSETT VALLEY
259 AM EDT FRI AUG 21 2026
TODAY TONIGHT SAT
CLOUD COVER MCLEAR MCLEAR PCLDY
PRECIP TYPE NONE NONE SHOWERS
CHANCE OF THUNDER (%) 0(NONE) 0(NONE) 6
CHANCE PRECIP (%) 0 0 20
TEMP (24H TREND) 77 (+3) 47 (-5) 75
RH % (24H TREND) 38 (-9) 89 (+2) 47
20FTWND - AM(MPH) LGT/VAR E 6
20FTWND - PM(MPH) LGT/VAR LGT/VAR SE 9 G19
PRECIP AMOUNT 0.00 0.00 0.02
PRECIP DURATION 0
PRECIP BEGIN 2 PM
PRECIP END CONTINUING
MIXING HGT(FT-AGL) 6860(UNST) 5710(UNST)
TRANSPORT WND (MPH) NW 6 SE 13
VENT RATE (KT-FT) 34300 62810
CWR 0 0
KBDI 201-300 201-300 N/A
REMARKS...NONE.
MEZ107-212015-
KENNEBEC RIVER VALLEY-
INCLUDING THE CITIES OF AUGUSTA, WATERVILLE, SKOWHEGAN, AUBURN,
LEWISTON, LIBERTY, AND LIVERMORE
259 AM EDT FRI AUG 21 2026
TODAY TONIGHT SAT
CLOUD COVER MCLEAR MCLEAR MCLDY
PRECIP TYPE NONE NONE SHOWERS
CHANCE OF THUNDER (%) 0(NONE) 0(NONE) 6
CHANCE PRECIP (%) 0 0 30
TEMP (24H TREND) 80 (-2) 51 (-7) 75
RH % (24H TREND) 39 (-4) 91 (+11) 56
20FTWND - AM(MPH) N 5 NE 6
20FTWND - PM(MPH) NE 5 LGT/VAR E 8
PRECIP AMOUNT 0.00 0.00 0.07
PRECIP DURATION 1
PRECIP BEGIN 12 PM
PRECIP END CONTINUING
MIXING HGT(FT-AGL) 7120(UNST) 5330(UNST)
TRANSPORT WND (MPH) N 5 E 14
VENT RATE (KT-FT) 28480 63960
CWR 0 0 30
KBDI 401-500 401-500 N/A
REMARKS...NONE.
MEZ109-212015-
LAKES REGION-
INCLUDING THE CITIES OF SANFORD, NORTH WINDHAM, GRAY,
NEW GLOUCESER, FRYEBURG, SOUTH PARIS, AND HIRAM
259 AM EDT FRI AUG 21 2026
TODAY TONIGHT SAT
CLOUD COVER MCLEAR MCLEAR MCLDY
PRECIP TYPE NONE NONE SHOWERS
CHANCE OF THUNDER (%) 0(NONE) 0(NONE) 7
CHANCE PRECIP (%) 0 0 30
TEMP (24H TREND) 80 (-2) 52 (-6) 74
RH % (24H TREND) 41 (-3) 93 (+13) 58
20FTWND - AM(MPH) N 6 NE 8
20FTWND - PM(MPH) E 6 SE 5 NE 8 G17
PRECIP AMOUNT 0.00 0.00 0.09
PRECIP DURATION 1
PRECIP BEGIN 10 AM
PRECIP END CONTINUING
MIXING HGT(FT-AGL) 6880(UNST) 3830(UNST)
TRANSPORT WND (MPH) E 6 E 12
VENT RATE (KT-FT) 34400 38300
CWR 0 0 30
KBDI 401-500 401-500 N/A
REMARKS...NONE.
MEZ110-212015-
BEACHES AND CASCO BAY-
INCLUDING THE CITIES OF KITTERY, YORK, KENNEBUNK, SCARBOROUGH,
PORTLAND, YARMOUTH, FREEPORT, BRUNSWICK, TOPSHAM,
BOOTHBAY HARBOR, AND DAMARISCOTTA
259 AM EDT FRI AUG 21 2026
TODAY TONIGHT SAT
CLOUD COVER PCLDY PCLDY MCLDY
PRECIP TYPE NONE NONE SHOWERS
CHANCE OF THUNDER (%) 0(NONE) 0(NONE) 5
CHANCE PRECIP (%) 0 0 30
TEMP (24H TREND) 80 (-2) 54 (-7) 73
RH % (24H TREND) 43 (-6) 93 (+12) 63
20FTWND - AM(MPH) NE 8 NE 9 G19
20FTWND - PM(MPH) E 8 LGT/VAR NE 10 G21
PRECIP AMOUNT 0.00 0.00 0.13
PRECIP DURATION 1
PRECIP BEGIN 6 AM
PRECIP END CONTINUING
MIXING HGT(FT-AGL) 5810(UNST) 2510(MRGL)
TRANSPORT WND (MPH) NE 8 E 14
VENT RATE (KT-FT) 40670 30120
CWR 0 0 50
KBDI 501-600 501-600 N/A
REMARKS...NONE.
MEZ111-212015-
MID-COAST-
INCLUDING THE CITIES OF WALDOBORO, ROCKLAND, CAMDEN,
LINCOLNVILLE, BELFAST, SEARSPORT, ISLESBORO, AND VINALHAVEN
259 AM EDT FRI AUG 21 2026
TODAY TONIGHT SAT
CLOUD COVER MCLEAR MCLEAR MCLDY
PRECIP TYPE NONE NONE SHOWERS
CHANCE OF THUNDER (%) 0(NONE) 0(NONE) 6
CHANCE PRECIP (%) 0 0 50
TEMP (24H TREND) 81 (0) 53 (-7) 73
RH % (24H TREND) 40 (-5) 89 (+6) 64
20FTWND - AM(MPH) N 6 NE 9 G17
20FTWND - PM(MPH) E 5 LGT/VAR E 9 G19
PRECIP AMOUNT 0.00 0.00 0.13
PRECIP DURATION 1
PRECIP BEGIN 11 AM
PRECIP END CONTINUING
MIXING HGT(FT-AGL) 6680(UNST) 3100(UNST)
TRANSPORT WND (MPH) NE 6 E 14
VENT RATE (KT-FT) 33400 37200
CWR 0 0 50
KBDI 401-500 401-500 N/A
REMARKS...NONE.
NHZ021-212015-
COOS COUNTY-
INCLUDING THE CITIES OF ERROL, MILLSFIELD, COLEBROOK, BERLIN,
DUMMER, MILAN, YORK POND, AND LANCASTER
259 AM EDT FRI AUG 21 2026
TODAY TONIGHT SAT
CLOUD COVER MCLEAR MCLEAR PCLDY
PRECIP TYPE NONE NONE SHOWERS
CHANCE OF THUNDER (%) 0(NONE) 0(NONE) 5
CHANCE PRECIP (%) 0 0 20
TEMP (24H TREND) 76 (+5) 47 (-2) 75
RH % (24H TREND) 37 (-13) 91 (-1) 46
20FTWND - AM(MPH) LGT/VAR E 6
20FTWND - PM(MPH) LGT/VAR LGT/VAR SE 6 G17
PRECIP AMOUNT 0.00 0.00 0.01
PRECIP DURATION 0
PRECIP BEGIN 2 PM
PRECIP END 6 PM
MIXING HGT(FT-AGL) 6290(UNST) 5200(UNST)
TRANSPORT WND (MPH) NW 5 SE 13
VENT RATE (KT-FT) 25160 57200
CWR 0 0
KBDI 201-300 201-300 N/A
REMARKS...NONE.
NHZ022-212015-
WHITE MOUNTIANS-
INCLUDING THE CITIES OF LINCOLN, LITTLETON, THORNTON,
WATERVILLE VALLEY, WOODSTOCK, JACKSON, NORTH CONWAY, CONWAY,
AND CRAWFORD NOTCH
259 AM EDT FRI AUG 21 2026
TODAY TONIGHT SAT
CLOUD COVER MCLEAR MCLEAR PCLDY
PRECIP TYPE NONE NONE SHOWERS
CHANCE OF THUNDER (%) 0(NONE) 0(NONE) 8
CHANCE PRECIP (%) 0 0 20
TEMP (24H TREND) 78 (+2) 50 (-2) 75
RH % (24H TREND) 40 (-4) 91 (+4) 51
20FTWND - AM(MPH) LGT/VAR E 5
20FTWND - PM(MPH) LGT/VAR LGT/VAR E 6
PRECIP AMOUNT 0.00 0.00 0.02
PRECIP DURATION 1
PRECIP BEGIN 10 AM
PRECIP END CONTINUING
MIXING HGT(FT-AGL) 6240(UNST) 5030(UNST)
TRANSPORT WND (MPH) NE 5 SE 12
VENT RATE (KT-FT) 24960 50300
CWR 0 0
KBDI 301-400 301-400 N/A
REMARKS...NONE.
NHZ023-212015-
CENTRAL LAKES-
INCLUDING THE CITIES OF LEBANON, PLYMOUTH, LACONIA, WOLFEBORO,
ALTON, AND OSSIPEE
259 AM EDT FRI AUG 21 2026
TODAY TONIGHT SAT
CLOUD COVER MCLEAR MCLEAR MCLDY
PRECIP TYPE NONE NONE SHOWERS
CHANCE OF THUNDER (%) 0(NONE) 0(NONE) 7
CHANCE PRECIP (%) 0 0 30
TEMP (24H TREND) 79 (0) 53 (-3) 74
RH % (24H TREND) 42 (-1) 93 (+8) 56
20FTWND - AM(MPH) NE 6 NE 6
20FTWND - PM(MPH) E 6 LGT/VAR E 8 G17
PRECIP AMOUNT 0.00 0.00 0.05
PRECIP DURATION 1
PRECIP BEGIN 10 AM
PRECIP END CONTINUING
MIXING HGT(FT-AGL) 6560(UNST) 4770(UNST)
TRANSPORT WND (MPH) E 6 E 13
VENT RATE (KT-FT) 32800 52470
CWR 0 0 20
KBDI 401-500 401-500 N/A
REMARKS...NONE.
NHZ024-212015-
LAKE SUNAPEE AND MONADNOCKS-
INCLUDING THE CITIES OF CLAREMONT, KEENE, AND JAFFREY
259 AM EDT FRI AUG 21 2026
TODAY TONIGHT SAT
CLOUD COVER MCLEAR PCLDY MCLDY
PRECIP TYPE NONE NONE SHOWERS
CHANCE OF THUNDER (%) 0(NONE) 0(NONE) 5
CHANCE PRECIP (%) 0 0 30
TEMP (24H TREND) 78 (-2) 53 (-3) 74
RH % (24H TREND) 47 (+2) 96 (+4) 59
20FTWND - AM(MPH) NE 5 NE 5
20FTWND - PM(MPH) NE 5 LGT/VAR E 5
PRECIP AMOUNT 0.00 0.00 0.05
PRECIP DURATION 1
PRECIP BEGIN 6 AM
PRECIP END CONTINUING
MIXING HGT(FT-AGL) 6300(UNST) 4400(UNST)
TRANSPORT WND (MPH) E 9 E 12
VENT RATE (KT-FT) 50400 44000
CWR 0 0 20
KBDI 201-300 201-300 N/A
REMARKS...NONE.
NHZ025-212015-
MERRIMACK VALLEY-
INCLUDING THE CITIES OF MANCHESTER, NASHUA, WEARE, AND DERRY
259 AM EDT FRI AUG 21 2026
TODAY TONIGHT SAT
CLOUD COVER PCLDY PCLDY MCLDY
PRECIP TYPE NONE SHOWERS SHOWERS
CHANCE OF THUNDER (%) 0(NONE) 0(NONE) 5
CHANCE PRECIP (%) 0 20 30
TEMP (24H TREND) 78 (-6) 55 (-4) 74
RH % (24H TREND) 49 (+9) 94 (+12) 63
20FTWND - AM(MPH) NE 6 NE 6
20FTWND - PM(MPH) E 6 E 5 NE 8
PRECIP AMOUNT 0.00 0.01 0.09
PRECIP DURATION 0 2
PRECIP BEGIN 2 AM CONTINUING
PRECIP END CONTINUING CONTINUING
MIXING HGT(FT-AGL) 5710(UNST) 3860(UNST)
TRANSPORT WND (MPH) E 12 E 13
VENT RATE (KT-FT) 57100 42460
CWR 0 10 30
KBDI 301-400 301-400 N/A
REMARKS...NONE.
NHZ026-212015-
SEACOAST-
INCLUDING THE CITIES OF PORTSMOUTH, DOVER, HAMPTON, AND EXETER
259 AM EDT FRI AUG 21 2026
TODAY TONIGHT SAT
CLOUD COVER PCLDY PCLDY MCLDY
PRECIP TYPE NONE SHOWERS SHOWERS
CHANCE OF THUNDER (%) 0(NONE) 0(NONE) 5
CHANCE PRECIP (%) 0 20 30
TEMP (24H TREND) 78 (-7) 55 (-7) 72
RH % (24H TREND) 50 (+9) 94 (+14) 65
20FTWND - AM(MPH) NE 8 G17 NE 9 G19
20FTWND - PM(MPH) E 8 G17 LGT/VAR NE 9 G19
PRECIP AMOUNT 0.00 0.01 0.11
PRECIP DURATION 0 2
PRECIP BEGIN 2 AM CONTINUING
PRECIP END CONTINUING CONTINUING
MIXING HGT(FT-AGL) 4220(UNST) 2390(MRGL)
TRANSPORT WND (MPH) E 13 E 14
VENT RATE (KT-FT) 46420 28680
CWR 0 10 40
KBDI 401-500 401-500 N/A
REMARKS...NONE.
FORECAST FOR DAYS 3 THROUGH 7
SATURDAY NIGHT
CLOUDY WITH SHOWERS LIKELY. AREAS OF FOG. LOWS
IN THE UPPER 50S. NORTHEAST WINDS AROUND 5 MPH.
SUNDAY
MOSTLY CLOUDY WITH SHOWERS LIKELY. AREAS OF FOG. HIGHS
IN THE MID 70S. SOUTHEAST WINDS AROUND 5 MPH. DAYTIME HUMIDITY
VALUES HIGH.
SUNDAY NIGHT
MOSTLY CLOUDY WITH A CHANCE OF SHOWERS. LOWS
AROUND 60. SOUTH WINDS AROUND 5 MPH.
MONDAY
MOSTLY SUNNY. HIGHS IN THE UPPER 70S. SOUTHWEST WINDS
5 TO 10 MPH. DAYTIME HUMIDITY VALUES MODERATE.
MONDAY NIGHT
MOSTLY CLEAR. LOWS IN THE LOWER 50S. WEST WINDS
5 TO 10 MPH.
TUESDAY
SUNNY. HIGHS IN THE MID 70S. WEST WINDS 5 TO 10 MPH.
DAYTIME HUMIDITY VALUES MODERATE.
TUESDAY NIGHT
MOSTLY CLEAR. LOWS IN THE MID 50S. WEST WINDS
5 TO 10 MPH.
WEDNESDAY
SUNNY. HIGHS IN THE UPPER 70S. WEST WINDS 5 TO
10 MPH. DAYTIME HUMIDITY VALUES MODERATE.
WEDNESDAY NIGHT
PARTLY CLOUDY. LOWS IN THE MID 50S. SOUTHWEST
WINDS AROUND 5 MPH.
THURSDAY
PARTLY SUNNY WITH A CHANCE OF SHOWERS. HIGHS IN THE
UPPER 70S. SOUTH WINDS 5 TO 10 MPH. DAYTIME HUMIDITY VALUES HIGH.
OUTLOOK 8 TO 14 DAYS
TEMPERATURES NEAR NORMAL. PRECIPITATION ABOVE NORMAL.
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