878
FNUS51 KBOX 180909
FWFBOX
FIRE WEATHER PLANNING FORECAST FOR SOUTHERN NEW ENGLAND
NATIONAL WEATHER SERVICE BOSTON/NORTON MA
408 AM EST THU DEC 18 2025
DISCUSSION
MILD AND DRY TODAY WITH LIGHT WINDS AS HIGH PRESSURE BUILDS INTO
THE REGION. A STRONG COLD FRONT WILL BE PRECEDED BY A PERIOD OF
LOCALLY HEAVY RAINFALL, STRONG TO DAMAGING WIND GUSTS AND
UNSEASONABLY MILD CONDITIONS LATE THURSDAY NIGHT INTO FRIDAY.
MINIMUM RELATIVE HUMIDITY VALUES WILL RANGE FROM 50 TO 65 PERCENT
TODAY. RELATIVE HUMIDITY WILL INCREASE TO 90 TO 100 PERCENT LATER
TONIGHT AND FRIDAY MORNING, THEN DECREASE TO 65 TO 80 PERCENT
LATE FRIDAY AND FRIDAY EVENING.
OUTLOOK...FRIDAY NIGHT THROUGH TUESDAY
GUSTY WEST WIND GUSTS AND SHARPLY COLDER CONDITIONS WILL DEVELOP
FRIDAY NIGHT BEHIND THE COLD FRONT THEN HIGH PRESSURE WILL BUILD
IN FOR SATURDAY. ANOTHER COLD FRONT MOVES THROUGH SUNDAY FOLLOWED
BY GUSTY NORTHWEST WINDS SUNDAY NIGHT INTO MONDAY. HIGH PRESSURE
BRIEFLY RETURNS MONDAY NIGHT, THEN A FRONTAL SYSTEM APPROACHES ON
TUESDAY.
MAZ015-182100-
SUFFOLK MA-
INCLUDING THE CITIES OF BOSTON, CHELSEA, REVERE, AND WINTHROP
408 AM EST THU DEC 18 2025
TODAY TONIGHT FRI
CLOUD COVER MCLEAR MCLDY MCLDY
PRECIP TYPE NONE RAIN RAIN
CHANCE PRECIP (%) 50 100
CHANCE OF THUNDER (%) 0 0 0
TEMP (24H TREND) 49 (+5) 38 (+9) 58
RH % (24H TREND) 53 (+3) 100 (+6) 73
20FT WND AM(MPH) LGT/VAR S 16 G38
20FT WND PM(MPH) S 6 S 6 SW 17 G35
PRECIP AMOUNT 0.00 0.02 0.75
PRECIP DURATION 1 10
PRECIP BEGIN 1 AM CONTINUING
PRECIP END CONTINUING CONTINUING
MIXING HGT (FT-AGL) 1760 480 2930
TRANSPORT WND (KTS) S 13 S 15 W 23
VENT RATE (KT-FT) 22880 7200 67390
MAX ADI EARLY 15 GEN POOR 14 GEN POOR 24 FAIR
MAX ADI LATE 27 FAIR 22 FAIR 36 FAIR
MAX LVORI EARLY 4 5 8
MAX LVORI LATE 4 5 8
MIN VSBY EARLY 10 7 1 FOG
MIN VSBY LATE 10 2 FOG 1 FOG
SUNSHINE HOURS N/A N/A N/A
CWR 0 10 100
REMARKS...NONE.
FORECAST FOR DAYS 3 THROUGH 7
FRIDAY NIGHT
PARTLY CLOUDY WITH A CHANCE OF RAIN. LOWS IN THE
UPPER 20S. WEST WINDS 15 TO 20 MPH.
SATURDAY
MOSTLY SUNNY. HIGHS AROUND 40. WEST WINDS 10 TO
15 MPH.
SATURDAY NIGHT
CLOUDY. LOWS IN THE LOWER 30S. SOUTHWEST WINDS
10 TO 15 MPH.
SUNDAY
PARTLY SUNNY. HIGHS IN THE MID 40S. WEST WINDS 10 TO
15 MPH.
SUNDAY NIGHT
PARTLY CLOUDY. COLDER. LOWS IN THE LOWER 20S.
WEST WINDS 10 TO 15 MPH.
MONDAY
SUNNY, COLDER. HIGHS AROUND 30. NORTHWEST WINDS 10 TO
15 MPH.
MONDAY NIGHT
PARTLY CLOUDY. LOWS IN THE LOWER 20S. NORTHWEST
WINDS 5 TO 10 MPH.
TUESDAY AND TUESDAY NIGHT
MOSTLY CLOUDY WITH A CHANCE OF SNOW
AND RAIN. LOWS IN THE UPPER 20S. HIGHS IN THE MID 30S. WEST WINDS
10 TO 15 MPH.
WEDNESDAY
MOSTLY SUNNY. HIGHS IN THE UPPER 30S. NORTHWEST
WINDS 5 TO 10 MPH.
MAZ016-182100-
EASTERN NORFOLK MA-
INCLUDING THE CITIES OF BRAINTREE, MILTON, QUINCY, AND WEYMOUTH
408 AM EST THU DEC 18 2025
TODAY TONIGHT FRI
CLOUD COVER MCLEAR MCLDY MCLDY
PRECIP TYPE NONE RAIN RAIN
CHANCE PRECIP (%) 50 100
CHANCE OF THUNDER (%) 0 0 0
TEMP (24H TREND) 50 (+6) 38 (+10) 58
RH % (24H TREND) 56 (+3) 100 (+6) 76
20FT WND AM(MPH) LGT/VAR S 17 G38
20FT WND PM(MPH) S 6 S 6 S 18 G38
PRECIP AMOUNT 0.00 0.02 0.82
PRECIP DURATION 1 10
PRECIP BEGIN 1 AM CONTINUING
PRECIP END CONTINUING CONTINUING
MIXING HGT (FT-AGL) 1650 380 2540
TRANSPORT WND (KTS) S 14 S 19 W 21
VENT RATE (KT-FT) 23100 7220 53340
MAX ADI EARLY 12 POOR 19 GEN POOR 24 FAIR
MAX ADI LATE 27 FAIR 22 FAIR 31 FAIR
MAX LVORI EARLY 4 5 9
MAX LVORI LATE 4 5 9
MIN VSBY EARLY 10 10 1 FOG
MIN VSBY LATE 10 2 FOG 1 FOG
SUNSHINE HOURS N/A N/A N/A
CWR 0 10 100
REMARKS...NONE.
FORECAST FOR DAYS 3 THROUGH 7
FRIDAY NIGHT
BREEZY. PARTLY CLOUDY WITH A CHANCE OF RAIN. LOWS
IN THE UPPER 20S. WEST WINDS 15 TO 25 MPH.
SATURDAY
MOSTLY SUNNY. HIGHS AROUND 40. WEST WINDS 15 TO
20 MPH, DIMINISHING TO 5 TO 10 MPH IN THE AFTERNOON.
SATURDAY NIGHT
MOSTLY CLOUDY. LOWS IN THE LOWER 30S. SOUTHWEST
WINDS 10 TO 15 MPH.
SUNDAY AND SUNDAY NIGHT
PARTLY CLOUDY. LOWS IN THE LOWER 20S.
HIGHS IN THE MID 40S. NORTHWEST WINDS 15 TO 20 MPH.
MONDAY
SUNNY, COLDER. HIGHS AROUND 30. NORTHWEST WINDS 15 TO
20 MPH.
MONDAY NIGHT
PARTLY CLOUDY. LOWS AROUND 20. NORTHWEST WINDS
5 TO 10 MPH.
TUESDAY AND TUESDAY NIGHT
MOSTLY CLOUDY WITH A CHANCE OF SNOW
AND RAIN. LOWS IN THE UPPER 20S. HIGHS IN THE UPPER 30S. WEST
WINDS 10 TO 15 MPH.
WEDNESDAY
MOSTLY SUNNY. HIGHS AROUND 40. NORTHWEST WINDS 5 TO
10 MPH.
MAZ013-182100-
WESTERN NORFOLK MA-
INCLUDING THE CITIES OF BELLINGHAM, DEDHAM, FOXBOROUGH, MEDFIELD,
NORWOOD, STOUGHTON, AND WELLESLEY
408 AM EST THU DEC 18 2025
TODAY TONIGHT FRI
CLOUD COVER MCLEAR MCLDY MCLDY
PRECIP TYPE NONE RAIN RAIN
CHANCE PRECIP (%) 50 100
CHANCE OF THUNDER (%) 0 0 0
TEMP (24H TREND) 50 (+6) 37 (+11) 58
RH % (24H TREND) 51 (+1) 100 (+2) 72
20FT WND AM(MPH) LGT/VAR S 15 G38
20FT WND PM(MPH) S 5 S 5 SW 15 G37
PRECIP AMOUNT 0.00 0.03 0.84
PRECIP DURATION 1 10
PRECIP BEGIN 1 AM CONTINUING
PRECIP END CONTINUING CONTINUING
MIXING HGT (FT-AGL) 1900 370 2450
TRANSPORT WND (KTS) S 15 S 12 W 19
VENT RATE (KT-FT) 28500 4440 46550
MAX ADI EARLY 15 GEN POOR 13 GEN POOR 23 FAIR
MAX ADI LATE 32 FAIR 22 FAIR 30 FAIR
MAX LVORI EARLY 4 5 10
MAX LVORI LATE 4 5 10
MIN VSBY EARLY 10 7 1 FOG
MIN VSBY LATE 10 2 FOG 1 FOG
SUNSHINE HOURS N/A N/A N/A
CWR 0 20 100
REMARKS...NONE.
FORECAST FOR DAYS 3 THROUGH 7
FRIDAY NIGHT
PARTLY CLOUDY WITH A CHANCE OF RAIN. LOWS IN THE
MID 20S. WEST WINDS 10 TO 15 MPH.
SATURDAY
MOSTLY SUNNY. HIGHS IN THE UPPER 30S. WEST WINDS 5 TO
10 MPH.
SATURDAY NIGHT
MOSTLY CLOUDY. LOWS IN THE LOWER 30S. SOUTHWEST
WINDS 5 TO 10 MPH.
SUNDAY AND SUNDAY NIGHT
PARTLY CLOUDY. LOWS IN THE LOWER 20S.
HIGHS IN THE MID 40S. NORTHWEST WINDS 5 TO 10 MPH.
MONDAY
SUNNY, COLDER. HIGHS IN THE UPPER 20S. NORTHWEST WINDS
5 TO 10 MPH.
MONDAY NIGHT
PARTLY CLOUDY. LOWS AROUND 18. NORTHWEST WINDS
AROUND 5 MPH.
TUESDAY AND TUESDAY NIGHT
MOSTLY CLOUDY WITH A CHANCE OF SNOW
AND RAIN. LOWS IN THE UPPER 20S. HIGHS IN THE MID 30S. WEST WINDS
5 TO 10 MPH.
WEDNESDAY
MOSTLY SUNNY. HIGHS IN THE UPPER 30S. NORTHWEST
WINDS 5 TO 10 MPH.
MAZ014-182100-
SOUTHEAST MIDDLESEX MA-
INCLUDING THE CITIES OF CAMBRIDGE, LEXINGTON, NEWTON, WALTHAM,
AND WOBURN
408 AM EST THU DEC 18 2025
TODAY TONIGHT FRI
CLOUD COVER MCLEAR MCLDY MCLDY
PRECIP TYPE NONE RAIN RAIN
CHANCE PRECIP (%) 50 100
CHANCE OF THUNDER (%) 0 0 0
TEMP (24H TREND) 48 (+4) 37 (+9) 58
RH % (24H TREND) 60 (+9) 100 (+11) 79
20FT WND AM(MPH) LGT/VAR S 14 G37
20FT WND PM(MPH) S 5 LGT/VAR SW 15 G35
PRECIP AMOUNT 0.00 0.02 0.69
PRECIP DURATION 1 10
PRECIP BEGIN 1 AM CONTINUING
PRECIP END CONTINUING CONTINUING
MIXING HGT (FT-AGL) 1790 370 2820
TRANSPORT WND (KTS) S 14 S 13 W 21
VENT RATE (KT-FT) 25060 4810 59220
MAX ADI EARLY 16 GEN POOR 11 POOR 22 FAIR
MAX ADI LATE 28 FAIR 20 GEN POOR 32 FAIR
MAX LVORI EARLY 4 6 8
MAX LVORI LATE 4 6 8
MIN VSBY EARLY 10 5 FOG 1 FOG
MIN VSBY LATE 10 2 FOG 1 FOG
SUNSHINE HOURS N/A N/A N/A
CWR 0 20 100
REMARKS...NONE.
FORECAST FOR DAYS 3 THROUGH 7
FRIDAY NIGHT
PARTLY CLOUDY WITH A CHANCE OF RAIN. LOWS IN THE
MID 20S. WEST WINDS 10 TO 15 MPH.
SATURDAY
MOSTLY SUNNY. HIGHS IN THE UPPER 30S. WEST WINDS 5 TO
10 MPH.
SATURDAY NIGHT
CLOUDY. LOWS IN THE LOWER 30S. SOUTHWEST WINDS
5 TO 10 MPH.
SUNDAY
PARTLY SUNNY. HIGHS IN THE MID 40S. WEST WINDS 5 TO
10 MPH.
SUNDAY NIGHT
PARTLY CLOUDY. COLDER. LOWS IN THE LOWER 20S.
WEST WINDS 5 TO 10 MPH.
MONDAY
SUNNY, COLDER. HIGHS AROUND 30. NORTHWEST WINDS 5 TO
10 MPH.
MONDAY NIGHT
PARTLY CLOUDY. LOWS AROUND 20. NORTHWEST WINDS
AROUND 5 MPH.
TUESDAY AND TUESDAY NIGHT
MOSTLY CLOUDY WITH A CHANCE OF SNOW
AND RAIN. LOWS IN THE UPPER 20S. HIGHS IN THE MID 30S. WEST WINDS
5 TO 10 MPH.
WEDNESDAY
MOSTLY SUNNY. HIGHS IN THE UPPER 30S. NORTHWEST
WINDS 5 TO 10 MPH.
MAZ007-182100-
EASTERN ESSEX MA-
INCLUDING THE CITIES OF BEVERLY, GLOUCESTER, NEWBURYPORT,
PEABODY, SALEM, AND SAUGUS
408 AM EST THU DEC 18 2025
TODAY TONIGHT FRI
CLOUD COVER MCLEAR MCLDY MCLDY
PRECIP TYPE NONE RAIN RAIN
CHANCE PRECIP (%) 50 100
CHANCE OF THUNDER (%) 0 0 0
TEMP (24H TREND) 48 (+4) 37 (+8) 58
RH % (24H TREND) 51 (+5) 100 (+6) 75
20FT WND AM(MPH) LGT/VAR S 16 G38
20FT WND PM(MPH) S 7 S 7 G19 SW 17 G39
PRECIP AMOUNT 0.00 0.01 0.66
PRECIP DURATION 1 10
PRECIP BEGIN 1 AM CONTINUING
PRECIP END CONTINUING CONTINUING
MIXING HGT (FT-AGL) 1720 410 2370
TRANSPORT WND (KTS) S 15 S 16 W 21
VENT RATE (KT-FT) 25800 6560 49770
MAX ADI EARLY 18 GEN POOR 17 GEN POOR 24 FAIR
MAX ADI LATE 30 FAIR 23 FAIR 30 FAIR
MAX LVORI EARLY 4 5 9
MAX LVORI LATE 4 5 9
MIN VSBY EARLY 10 8 1 FOG
MIN VSBY LATE 10 2 FOG 1 FOG
SUNSHINE HOURS N/A N/A N/A
CWR 0 10 100
REMARKS...NONE.
FORECAST FOR DAYS 3 THROUGH 7
FRIDAY NIGHT
BREEZY. PARTLY CLOUDY WITH A CHANCE OF RAIN. LOWS
IN THE MID 20S. WEST WINDS 20 TO 25 MPH.
SATURDAY
MOSTLY SUNNY. HIGHS IN THE UPPER 30S. WEST WINDS
15 TO 20 MPH.
SATURDAY NIGHT
CLOUDY. LOWS IN THE LOWER 30S. SOUTHWEST WINDS
15 TO 20 MPH.
SUNDAY
PARTLY SUNNY. HIGHS IN THE MID 40S. WEST WINDS 15 TO
20 MPH.
SUNDAY NIGHT
PARTLY CLOUDY. COLDER. LOWS IN THE LOWER 20S.
WEST WINDS 15 TO 20 MPH.
MONDAY
SUNNY, COLDER. HIGHS AROUND 30. NORTHWEST WINDS 15 TO
20 MPH.
MONDAY NIGHT
PARTLY CLOUDY. LOWS AROUND 20. NORTHWEST WINDS
10 TO 15 MPH.
TUESDAY
PARTLY SUNNY WITH A CHANCE OF SNOW. HIGHS IN THE UPPER
30S. SOUTHWEST WINDS 10 TO 15 MPH.
TUESDAY NIGHT
MOSTLY CLOUDY WITH A CHANCE OF SNOW AND RAIN.
LOWS IN THE UPPER 20S. SOUTHWEST WINDS 10 TO 15 MPH.
WEDNESDAY
MOSTLY SUNNY. HIGHS IN THE UPPER 30S. NORTHWEST
WINDS 10 TO 15 MPH.
MAZ006-182100-
WESTERN ESSEX MA-
INCLUDING THE CITIES OF AMESBURY, ANDOVER, HAVERHILL, LAWRENCE,
METHUEN, AND TOPSFIELD
408 AM EST THU DEC 18 2025
TODAY TONIGHT FRI
CLOUD COVER MCLEAR MCLDY MCLDY
PRECIP TYPE NONE RAIN RAIN
CHANCE PRECIP (%) 50 100
CHANCE OF THUNDER (%) 0 0 0
TEMP (24H TREND) 46 (+3) 35 (+10) 58
RH % (24H TREND) 52 (+2) 100 (+5) 74
20FT WND AM(MPH) LGT/VAR S 13 G35
20FT WND PM(MPH) LGT/VAR LGT/VAR SW 14 G35
PRECIP AMOUNT 0.00 0.02 0.60
PRECIP DURATION 1 10
PRECIP BEGIN 1 AM CONTINUING
PRECIP END CONTINUING CONTINUING
MIXING HGT (FT-AGL) 1620 360 2340
TRANSPORT WND (KTS) S 12 S 11 W 18
VENT RATE (KT-FT) 19440 3960 42120
MAX ADI EARLY 15 GEN POOR 9 POOR 20 GEN POOR
MAX ADI LATE 26 FAIR 19 GEN POOR 29 FAIR
MAX LVORI EARLY 4 7 10
MAX LVORI LATE 4 7 10
MIN VSBY EARLY 10 4 FOG 0 FOG
MIN VSBY LATE 10 2 FOG 1 FOG
SUNSHINE HOURS N/A N/A N/A
CWR 0 10 100
REMARKS...NONE.
FORECAST FOR DAYS 3 THROUGH 7
FRIDAY NIGHT
PARTLY CLOUDY WITH A CHANCE OF RAIN. LOWS IN THE
MID 20S. WEST WINDS 10 TO 15 MPH.
SATURDAY
MOSTLY SUNNY. HIGHS IN THE UPPER 30S. WEST WINDS 5 TO
10 MPH.
SATURDAY NIGHT
CLOUDY. LOWS AROUND 30. SOUTH WINDS 5 TO
10 MPH.
SUNDAY AND SUNDAY NIGHT
PARTLY CLOUDY. LOWS AROUND 20. HIGHS
IN THE MID 40S. NORTHWEST WINDS 5 TO 10 MPH.
MONDAY
SUNNY, COLDER. HIGHS IN THE UPPER 20S. NORTHWEST WINDS
5 TO 10 MPH.
MONDAY NIGHT
PARTLY CLOUDY. LOWS AROUND 17. NORTHWEST WINDS
AROUND 5 MPH.
TUESDAY AND TUESDAY NIGHT
MOSTLY CLOUDY. A CHANCE OF SNOW.
LOWS IN THE MID 20S. HIGHS IN THE MID 30S. WEST WINDS AROUND
5 MPH.
WEDNESDAY
MOSTLY SUNNY. HIGHS IN THE UPPER 30S. NORTHWEST
WINDS 5 TO 10 MPH.
MAZ005-182100-
CENTRAL MIDDLESEX MA-
INCLUDING THE CITIES OF BURLINGTON, CHELMSFORD, FRAMINGHAM,
HOPKINTON, LOWELL, AND NATICK
408 AM EST THU DEC 18 2025
TODAY TONIGHT FRI
CLOUD COVER MCLEAR MCLDY MCLDY
PRECIP TYPE NONE RAIN RAIN
CHANCE PRECIP (%) 50 100
CHANCE OF THUNDER (%) 0 0 0
TEMP (24H TREND) 48 (+5) 35 (+9) 58
RH % (24H TREND) 50 (+4) 100 (+2) 72
20FT WND AM(MPH) LGT/VAR S 13 G36
20FT WND PM(MPH) LGT/VAR LGT/VAR SW 13 G34
PRECIP AMOUNT 0.00 0.03 0.68
PRECIP DURATION 1 10
PRECIP BEGIN 1 AM CONTINUING
PRECIP END CONTINUING CONTINUING
MIXING HGT (FT-AGL) 1980 380 2290
TRANSPORT WND (KTS) S 15 S 11 W 18
VENT RATE (KT-FT) 29700 4180 41220
MAX ADI EARLY 17 GEN POOR 10 POOR 21 FAIR
MAX ADI LATE 34 FAIR 19 GEN POOR 26 FAIR
MAX LVORI EARLY 4 7 9
MAX LVORI LATE 4 7 9
MIN VSBY EARLY 10 3 FOG 1 FOG
MIN VSBY LATE 10 2 FOG 2 FOG
SUNSHINE HOURS N/A N/A N/A
CWR 0 20 100
REMARKS...NONE.
FORECAST FOR DAYS 3 THROUGH 7
FRIDAY NIGHT
PARTLY CLOUDY WITH A CHANCE OF RAIN. LOWS IN THE
MID 20S. WEST WINDS 10 TO 15 MPH.
SATURDAY
MOSTLY SUNNY. HIGHS IN THE UPPER 30S. WEST WINDS
10 TO 15 MPH.
SATURDAY NIGHT
MOSTLY CLOUDY. LOWS IN THE LOWER 30S. SOUTH
WINDS 5 TO 10 MPH.
SUNDAY AND SUNDAY NIGHT
PARTLY CLOUDY. LOWS IN THE LOWER 20S.
HIGHS IN THE MID 40S. NORTHWEST WINDS 5 TO 10 MPH.
MONDAY
SUNNY, COLDER. HIGHS IN THE UPPER 20S. NORTHWEST WINDS
5 TO 10 MPH.
MONDAY NIGHT
PARTLY CLOUDY. LOWS AROUND 18. NORTHWEST WINDS
AROUND 5 MPH.
TUESDAY
MOSTLY CLOUDY WITH A CHANCE OF SNOW. HIGHS IN THE MID
30S. SOUTHWEST WINDS 5 TO 10 MPH.
TUESDAY NIGHT
MOSTLY CLOUDY WITH A CHANCE OF SNOW AND RAIN.
LOWS IN THE UPPER 20S. SOUTHWEST WINDS AROUND 5 MPH.
WEDNESDAY
MOSTLY SUNNY. HIGHS IN THE UPPER 30S. NORTHWEST
WINDS 5 TO 10 MPH.
MAZ012-182100-
SOUTHERN WORCESTER MA-
INCLUDING THE CITIES OF MILFORD, OXFORD, STURBRIDGE, UXBRIDGE,
WESTBOROUGH, AND WORCESTER
408 AM EST THU DEC 18 2025
TODAY TONIGHT FRI
CLOUD COVER MCLEAR MCLDY MCLDY
PRECIP TYPE NONE RAIN RAIN
CHANCE PRECIP (%) 50 100
CHANCE OF THUNDER (%) 0 0 0
TEMP (24H TREND) 49 (+7) 37 (+12) 57
RH % (24H TREND) 51 (-2) 100 (+1) 76
20FT WND AM(MPH) LGT/VAR S 15 G36
20FT WND PM(MPH) S 5 S 5 SW 14 G33
PRECIP AMOUNT 0.00 0.06 0.87
PRECIP DURATION 1 10
PRECIP BEGIN 12 AM CONTINUING
PRECIP END CONTINUING CONTINUING
MIXING HGT (FT-AGL) 1930 350 2380
TRANSPORT WND (KTS) S 17 S 12 S 29
VENT RATE (KT-FT) 32810 4200 69020
MAX ADI EARLY 17 GEN POOR 14 GEN POOR 24 FAIR
MAX ADI LATE 35 FAIR 22 FAIR 23 FAIR
MAX LVORI EARLY 4 6 10
MAX LVORI LATE 4 6 10
MIN VSBY EARLY 10 3 FOG 1 FOG
MIN VSBY LATE 10 1 FOG 2 FOG
SUNSHINE HOURS N/A N/A N/A
CWR 0 40 100
REMARKS...NONE.
FORECAST FOR DAYS 3 THROUGH 7
FRIDAY NIGHT
PARTLY CLOUDY WITH A CHANCE OF RAIN. LOWS IN THE
MID 20S. WEST WINDS 10 TO 15 MPH.
SATURDAY
MOSTLY SUNNY. HIGHS IN THE UPPER 30S. WEST WINDS
10 TO 15 MPH.
SATURDAY NIGHT
MOSTLY CLOUDY. LOWS AROUND 30. SOUTHWEST WINDS
10 TO 15 MPH.
SUNDAY AND SUNDAY NIGHT
PARTLY CLOUDY. LOWS AROUND 20. HIGHS
IN THE MID 40S. NORTHWEST WINDS 10 TO 15 MPH.
MONDAY
SUNNY, COLDER. HIGHS IN THE UPPER 20S. NORTHWEST WINDS
10 TO 15 MPH.
MONDAY NIGHT
PARTLY CLOUDY. LOWS AROUND 18. WEST WINDS 5 TO
10 MPH.
TUESDAY
MOSTLY CLOUDY WITH A CHANCE OF SNOW. HIGHS IN THE MID
30S. SOUTHWEST WINDS 5 TO 10 MPH.
TUESDAY NIGHT
MOSTLY CLOUDY WITH A CHANCE OF SNOW AND RAIN.
LOWS IN THE UPPER 20S. WEST WINDS 5 TO 10 MPH.
WEDNESDAY
MOSTLY SUNNY. HIGHS IN THE UPPER 30S. NORTHWEST
WINDS 5 TO 10 MPH.
MAZ004-182100-
NORTHERN WORCESTER MA-
INCLUDING THE CITIES OF ATHOL, BOYLSTON, BROOKFIELD, FITCHBURG,
GARDNER, AND HARVARD
408 AM EST THU DEC 18 2025
TODAY TONIGHT FRI
CLOUD COVER MCLEAR MCLDY MCLDY
PRECIP TYPE NONE RAIN RAIN
CHANCE PRECIP (%) 60 100
CHANCE OF THUNDER (%) 0 0 0
TEMP (24H TREND) 47 (+7) 33 (+11) 56
RH % (24H TREND) 45 (-3) 100 (0) 73
20FT WND AM(MPH) LGT/VAR S 16 G36
20FT WND PM(MPH) S 5 S 6 G17 SW 14 G34
PRECIP AMOUNT 0.00 0.08 0.82
PRECIP DURATION 2 10
PRECIP BEGIN 12 AM CONTINUING
PRECIP END CONTINUING 6 PM
MIXING HGT (FT-AGL) 1780 320 2440
TRANSPORT WND (KTS) S 15 S 11 S 27
VENT RATE (KT-FT) 26700 3520 65880
MAX ADI EARLY 18 GEN POOR 14 GEN POOR 24 FAIR
MAX ADI LATE 28 FAIR 23 FAIR 21 FAIR
MAX LVORI EARLY 4 6 10
MAX LVORI LATE 4 6 10
MIN VSBY EARLY 10 2 FOG 1 FOG
MIN VSBY LATE 10 1 FOG 2 FOG
SUNSHINE HOURS N/A N/A N/A
CWR 0 50 100
REMARKS...NONE.
FORECAST FOR DAYS 3 THROUGH 7
FRIDAY NIGHT
BREEZY. PARTLY CLOUDY. LOWS IN THE LOWER 20S.
WEST WINDS 20 TO 25 MPH.
SATURDAY
MOSTLY SUNNY. HIGHS IN THE MID 30S. WEST WINDS 15 TO
20 MPH, BECOMING SOUTHWEST 5 TO 10 MPH IN THE AFTERNOON.
SATURDAY NIGHT
MOSTLY CLOUDY. LOWS IN THE UPPER 20S. SOUTHWEST
WINDS 10 TO 15 MPH.
SUNDAY AND SUNDAY NIGHT
PARTLY CLOUDY. LOWS AROUND 17. HIGHS
IN THE LOWER 40S. NORTHWEST WINDS 10 TO 15 MPH.
MONDAY
SUNNY, COLDER. HIGHS IN THE MID 20S. NORTHWEST WINDS
10 TO 15 MPH.
MONDAY NIGHT
PARTLY CLOUDY. LOWS AROUND 15. WEST WINDS 5 TO
10 MPH.
TUESDAY AND TUESDAY NIGHT
MOSTLY CLOUDY WITH A CHANCE OF SNOW.
LOWS IN THE MID 20S. HIGHS IN THE LOWER 30S. WEST WINDS 5 TO
10 MPH.
WEDNESDAY
MOSTLY SUNNY. HIGHS IN THE MID 30S. NORTHWEST WINDS
5 TO 10 MPH.
MAZ026-182100-
NORTHERN MIDDLESEX MA-
INCLUDING THE CITIES OF ASHBY, AYER, GROTON, PEPPERELL, SHIRLEY,
AND TOWNSEND
408 AM EST THU DEC 18 2025
TODAY TONIGHT FRI
CLOUD COVER MCLEAR MCLDY MCLDY
PRECIP TYPE NONE RAIN RAIN
CHANCE PRECIP (%) 50 100
CHANCE OF THUNDER (%) 0 0 0
TEMP (24H TREND) 46 (+4) 34 (+11) 58
RH % (24H TREND) 56 (+2) 100 (+1) 80
20FT WND AM(MPH) LGT/VAR S 13 G36
20FT WND PM(MPH) LGT/VAR LGT/VAR SW 12 G33
PRECIP AMOUNT 0.00 0.04 0.67
PRECIP DURATION 1 10
PRECIP BEGIN 1 AM CONTINUING
PRECIP END CONTINUING CONTINUING
MIXING HGT (FT-AGL) 1800 370 2550
TRANSPORT WND (KTS) S 14 S 10 S 27
VENT RATE (KT-FT) 25200 3700 68850
MAX ADI EARLY 18 GEN POOR 8 POOR 20 GEN POOR
MAX ADI LATE 28 FAIR 18 GEN POOR 17 GEN POOR
MAX LVORI EARLY 4 8 9
MAX LVORI LATE 4 8 9
MIN VSBY EARLY 10 3 FOG 1 FOG
MIN VSBY LATE 10 1 FOG 2 FOG
SUNSHINE HOURS N/A N/A N/A
CWR 0 20 100
REMARKS...NONE.
FORECAST FOR DAYS 3 THROUGH 7
FRIDAY NIGHT
PARTLY CLOUDY WITH A CHANCE OF RAIN. LOWS IN THE
MID 20S. WEST WINDS 10 TO 15 MPH.
SATURDAY
MOSTLY SUNNY. HIGHS IN THE UPPER 30S. WEST WINDS
10 TO 15 MPH, DIMINISHING TO AROUND 5 MPH IN THE AFTERNOON.
SATURDAY NIGHT
MOSTLY CLOUDY. LOWS IN THE UPPER 20S. SOUTHWEST
WINDS 5 TO 10 MPH.
SUNDAY AND SUNDAY NIGHT
PARTLY CLOUDY. LOWS AROUND 18. HIGHS
IN THE LOWER 40S. NORTHWEST WINDS 5 TO 10 MPH.
MONDAY
SUNNY, COLDER. HIGHS IN THE UPPER 20S. NORTHWEST WINDS
5 TO 10 MPH.
MONDAY NIGHT
PARTLY CLOUDY. LOWS AROUND 16. WEST WINDS AROUND
5 MPH.
TUESDAY AND TUESDAY NIGHT
MOSTLY CLOUDY WITH A CHANCE OF SNOW.
LOWS IN THE MID 20S. HIGHS IN THE MID 30S. WEST WINDS 5 TO
10 MPH.
WEDNESDAY
MOSTLY SUNNY. HIGHS IN THE UPPER 30S. NORTHWEST
WINDS 5 TO 10 MPH.
MAZ002-182100-
WESTERN FRANKLIN MA-
INCLUDING THE CITIES OF ASHFIELD, CHARLEMONT, COLRAIN,
AND SHELBURNE
408 AM EST THU DEC 18 2025
TODAY TONIGHT FRI
CLOUD COVER MCLEAR MCLDY MCLDY
PRECIP TYPE NONE RAIN RAIN
CHANCE PRECIP (%) 80 100
CHANCE OF THUNDER (%) 0 0 0
TEMP (24H TREND) 44 (+5) 33 (+13) 54
RH % (24H TREND) 53 (-4) 100 (+4) 71
20FT WND AM(MPH) LGT/VAR S 14 G33
20FT WND PM(MPH) LGT/VAR S 5 G18 W 12 G28
PRECIP AMOUNT 0.00 0.24 0.99
PRECIP DURATION 3 10
PRECIP BEGIN 11 PM CONTINUING
PRECIP END CONTINUING CONTINUING
MIXING HGT (FT-AGL) 1370 160 2230
TRANSPORT WND (KTS) S 14 S 11 SW 23
VENT RATE (KT-FT) 19180 1760 51290
MAX ADI EARLY 15 GEN POOR 11 POOR 22 FAIR
MAX ADI LATE 21 FAIR 20 GEN POOR 23 FAIR
MAX LVORI EARLY 4 6 8
MAX LVORI LATE 4 6 8
MIN VSBY EARLY 10 3 FOG 1 FOG
MIN VSBY LATE 10 1 FOG 2 FOG
SUNSHINE HOURS N/A N/A N/A
CWR 0 70 100
REMARKS...NONE.
FORECAST FOR DAYS 3 THROUGH 7
FRIDAY NIGHT
WINDY. MOSTLY CLOUDY WITH A CHANCE OF SNOW. LOWS
AROUND 20. WEST WINDS 20 TO 30 MPH.
SATURDAY
BREEZY. MOSTLY SUNNY. HIGHS IN THE LOWER 30S. WEST
WINDS 20 TO 25 MPH, BECOMING SOUTHWEST AROUND 5 MPH IN THE
AFTERNOON.
SATURDAY NIGHT
MOSTLY CLOUDY. LOWS IN THE UPPER 20S. SOUTH
WINDS 10 TO 15 MPH.
SUNDAY
PARTLY SUNNY. HIGHS IN THE UPPER 30S. WEST WINDS 10 TO
15 MPH.
SUNDAY NIGHT
PARTLY CLOUDY. COLDER. LOWS AROUND 15. WEST WINDS
15 TO 20 MPH.
MONDAY
SUNNY, COLDER. HIGHS IN THE LOWER 20S. NORTHWEST WINDS
10 TO 15 MPH.
MONDAY NIGHT
PARTLY CLOUDY. LOWS AROUND 14. WEST WINDS 5 TO
10 MPH.
TUESDAY AND TUESDAY NIGHT
MOSTLY CLOUDY WITH A CHANCE OF SNOW.
LOWS IN THE MID 20S. HIGHS IN THE LOWER 30S. WEST WINDS 10 TO
15 MPH.
WEDNESDAY
MOSTLY SUNNY. HIGHS IN THE LOWER 30S. NORTHWEST
WINDS 10 TO 15 MPH.
MAZ003-182100-
EASTERN FRANKLIN MA-
INCLUDING THE CITIES OF GREENFIELD, LEVERETT, NORTHFIELD, ORANGE,
AND WHATELY
408 AM EST THU DEC 18 2025
TODAY TONIGHT FRI
CLOUD COVER MCLEAR MCLDY MCLDY
PRECIP TYPE NONE RAIN RAIN
CHANCE PRECIP (%) 70 100
CHANCE OF THUNDER (%) 0 0 0
TEMP (24H TREND) 45 (+4) 34 (+13) 56
RH % (24H TREND) 55 (+4) 100 (0) 71
20FT WND AM(MPH) LGT/VAR S 15 G36
20FT WND PM(MPH) S 5 S 5 G17 SW 12 G32
PRECIP AMOUNT 0.00 0.18 0.98
PRECIP DURATION 2 10
PRECIP BEGIN 12 AM CONTINUING
PRECIP END CONTINUING 6 PM
MIXING HGT (FT-AGL) 1740 230 2510
TRANSPORT WND (KTS) S 15 S 10 S 25
VENT RATE (KT-FT) 26100 2300 62750
MAX ADI EARLY 17 GEN POOR 10 POOR 22 FAIR
MAX ADI LATE 28 FAIR 20 GEN POOR 14 GEN POOR
MAX LVORI EARLY 4 7 8
MAX LVORI LATE 4 7 8
MIN VSBY EARLY 10 3 FOG 1 FOG
MIN VSBY LATE 10 2 FOG 2 FOG
SUNSHINE HOURS N/A N/A N/A
CWR 0 60 100
REMARKS...NONE.
FORECAST FOR DAYS 3 THROUGH 7
FRIDAY NIGHT
BREEZY. PARTLY CLOUDY. LOWS IN THE LOWER 20S.
WEST WINDS 20 TO 25 MPH.
SATURDAY
MOSTLY SUNNY. HIGHS IN THE MID 30S. WEST WINDS 15 TO
20 MPH, BECOMING SOUTHWEST 5 TO 10 MPH IN THE AFTERNOON.
SATURDAY NIGHT
MOSTLY CLOUDY. LOWS IN THE UPPER 20S. SOUTH
WINDS 10 TO 15 MPH.
SUNDAY
PARTLY SUNNY. HIGHS IN THE LOWER 40S. WEST WINDS 10 TO
15 MPH.
SUNDAY NIGHT
PARTLY CLOUDY. COLDER. LOWS AROUND 17. WEST WINDS
10 TO 15 MPH.
MONDAY
SUNNY, COLDER. HIGHS IN THE UPPER 20S. NORTHWEST WINDS
10 TO 15 MPH.
MONDAY NIGHT
PARTLY CLOUDY. LOWS AROUND 16. WEST WINDS 5 TO
10 MPH.
TUESDAY AND TUESDAY NIGHT
MOSTLY CLOUDY WITH A CHANCE OF SNOW.
LOWS IN THE MID 20S. HIGHS IN THE MID 30S. WEST WINDS 5 TO
10 MPH.
WEDNESDAY
MOSTLY SUNNY. HIGHS IN THE MID 30S. NORTHWEST WINDS
5 TO 10 MPH.
MAZ008-182100-
WESTERN HAMPSHIRE MA-
INCLUDING THE CITIES OF CHESTERFIELD, PLAINFIELD, WESTHAMPTON,
WILLIAMSBURG, AND WORTHINGTON
408 AM EST THU DEC 18 2025
TODAY TONIGHT FRI
CLOUD COVER MCLEAR MCLDY MCLDY
PRECIP TYPE NONE RAIN RAIN
CHANCE PRECIP (%) 80 100
CHANCE OF THUNDER (%) 0 0 0
TEMP (24H TREND) 45 (+5) 33 (+13) 54
RH % (24H TREND) 55 (+7) 100 (+3) 76
20FT WND AM(MPH) LGT/VAR S 16 G34
20FT WND PM(MPH) S 5 S 6 G19 W 12 G29
PRECIP AMOUNT 0.00 0.28 0.95
PRECIP DURATION 3 10
PRECIP BEGIN 11 PM CONTINUING
PRECIP END CONTINUING CONTINUING
MIXING HGT (FT-AGL) 1360 200 2020
TRANSPORT WND (KTS) S 15 S 11 SW 23
VENT RATE (KT-FT) 20400 2200 46460
MAX ADI EARLY 15 GEN POOR 12 POOR 23 FAIR
MAX ADI LATE 23 FAIR 22 FAIR 22 FAIR
MAX LVORI EARLY 4 6 8
MAX LVORI LATE 4 6 8
MIN VSBY EARLY 10 3 FOG 1 FOG
MIN VSBY LATE 10 1 FOG 2 FOG
SUNSHINE HOURS N/A N/A N/A
CWR 0 70 100
REMARKS...NONE.
FORECAST FOR DAYS 3 THROUGH 7
FRIDAY NIGHT
PARTLY CLOUDY WITH A CHANCE OF SNOW. LOWS IN THE
LOWER 20S. WEST WINDS 15 TO 20 MPH.
SATURDAY
MOSTLY SUNNY. HIGHS IN THE MID 30S. WEST WINDS 15 TO
20 MPH, BECOMING SOUTHWEST AROUND 5 MPH IN THE AFTERNOON.
SATURDAY NIGHT
MOSTLY CLOUDY. LOWS IN THE UPPER 20S. SOUTH
WINDS 5 TO 10 MPH.
SUNDAY
PARTLY SUNNY. HIGHS IN THE UPPER 30S. WEST WINDS 10 TO
15 MPH.
SUNDAY NIGHT
PARTLY CLOUDY. COLDER. LOWS AROUND 15. NORTHWEST
WINDS 10 TO 15 MPH.
MONDAY
SUNNY, COLDER. HIGHS IN THE MID 20S. NORTHWEST WINDS
10 TO 15 MPH.
MONDAY NIGHT
PARTLY CLOUDY. LOWS AROUND 15. WEST WINDS 5 TO
10 MPH.
TUESDAY AND TUESDAY NIGHT
MOSTLY CLOUDY WITH A CHANCE OF SNOW.
LOWS IN THE MID 20S. HIGHS IN THE LOWER 30S. WEST WINDS 5 TO
10 MPH.
WEDNESDAY
MOSTLY SUNNY. HIGHS IN THE MID 30S. NORTHWEST WINDS
5 TO 10 MPH.
MAZ010-182100-
EASTERN HAMPSHIRE MA-
INCLUDING THE CITIES OF AMHERST, BELCHERTOWN, NORTHAMPTON,
SOUTHAMPTON, AND WARE
408 AM EST THU DEC 18 2025
TODAY TONIGHT FRI
CLOUD COVER MCLEAR MCLDY MCLDY
PRECIP TYPE NONE RAIN RAIN
CHANCE PRECIP (%) 70 100
CHANCE OF THUNDER (%) 0 0 0
TEMP (24H TREND) 47 (+5) 35 (+13) 56
RH % (24H TREND) 56 (+6) 100 (0) 72
20FT WND AM(MPH) LGT/VAR S 17 G36
20FT WND PM(MPH) S 5 S 5 G17 SW 13 G33
PRECIP AMOUNT 0.00 0.20 0.89
PRECIP DURATION 2 10
PRECIP BEGIN 11 PM CONTINUING
PRECIP END CONTINUING CONTINUING
MIXING HGT (FT-AGL) 1910 330 2430
TRANSPORT WND (KTS) S 15 S 9 S 25
VENT RATE (KT-FT) 28650 2970 60750
MAX ADI EARLY 16 GEN POOR 8 POOR 22 FAIR
MAX ADI LATE 30 FAIR 20 GEN POOR 13 GEN POOR
MAX LVORI EARLY 4 7 8
MAX LVORI LATE 4 7 8
MIN VSBY EARLY 10 3 FOG 1 FOG
MIN VSBY LATE 10 1 FOG 2 FOG
SUNSHINE HOURS N/A N/A N/A
CWR 0 70 100
REMARKS...NONE.
FORECAST FOR DAYS 3 THROUGH 7
FRIDAY NIGHT
BREEZY. PARTLY CLOUDY WITH A CHANCE OF RAIN. LOWS
IN THE MID 20S. WEST WINDS 15 TO 25 MPH.
SATURDAY
MOSTLY SUNNY. HIGHS IN THE UPPER 30S. WEST WINDS
10 TO 15 MPH.
SATURDAY NIGHT
MOSTLY CLOUDY. LOWS AROUND 30. SOUTH WINDS
10 TO 15 MPH.
SUNDAY AND SUNDAY NIGHT
PARTLY CLOUDY. LOWS AROUND 19. HIGHS
IN THE LOWER 40S. NORTHWEST WINDS 10 TO 15 MPH.
MONDAY
SUNNY, COLDER. HIGHS IN THE UPPER 20S. NORTHWEST WINDS
10 TO 15 MPH.
MONDAY NIGHT
PARTLY CLOUDY. LOWS AROUND 17. WEST WINDS 5 TO
10 MPH.
TUESDAY AND TUESDAY NIGHT
MOSTLY CLOUDY WITH A CHANCE OF SNOW.
LOWS IN THE MID 20S. HIGHS IN THE MID 30S. WEST WINDS 5 TO
10 MPH.
WEDNESDAY
MOSTLY SUNNY. HIGHS IN THE UPPER 30S. NORTHWEST
WINDS 5 TO 10 MPH.
MAZ009-182100-
WESTERN HAMPDEN MA-
INCLUDING THE CITIES OF BLANDFORD, CHESTER, GRANVILLE,
MONTGOMERY, RUSSELL, AND TOLLAND
408 AM EST THU DEC 18 2025
TODAY TONIGHT FRI
CLOUD COVER MCLEAR MCLDY MCLDY
PRECIP TYPE NONE RAIN TSTMS
CHANCE PRECIP (%) 80 100
CHANCE OF THUNDER (%) 0 0 10
TEMP (24H TREND) 45 (+4) 35 (+13) 55
RH % (24H TREND) 56 (+4) 100 (+1) 71
20FT WND AM(MPH) LGT/VAR S 16 G34
20FT WND PM(MPH) S 5 S 6 G17 W 13 G29
PRECIP AMOUNT 0.00 0.32 1.00
PRECIP DURATION 3 9
PRECIP BEGIN 11 PM CONTINUING
PRECIP END CONTINUING CONTINUING
MIXING HGT (FT-AGL) 1660 150 1950
TRANSPORT WND (KTS) S 16 S 12 W 21
VENT RATE (KT-FT) 26560 1800 40950
MAX ADI EARLY 18 GEN POOR 13 GEN POOR 23 FAIR
MAX ADI LATE 28 FAIR 23 FAIR 19 GEN POOR
MAX LVORI EARLY 4 6 8
MAX LVORI LATE 4 6 8
MIN VSBY EARLY 10 3 FOG 1 FOG
MIN VSBY LATE 10 0 FOG 2 FOG
SUNSHINE HOURS N/A N/A N/A
CWR 0 80 100
REMARKS...NONE.
FORECAST FOR DAYS 3 THROUGH 7
FRIDAY NIGHT
PARTLY CLOUDY WITH A CHANCE OF SNOW. LOWS IN THE
LOWER 20S. WEST WINDS 15 TO 20 MPH.
SATURDAY
MOSTLY SUNNY. HIGHS IN THE MID 30S. WEST WINDS 10 TO
15 MPH, BECOMING SOUTHWEST AROUND 5 MPH IN THE AFTERNOON.
SATURDAY NIGHT
MOSTLY CLOUDY. LOWS IN THE UPPER 20S. SOUTHWEST
WINDS 5 TO 10 MPH.
SUNDAY AND SUNDAY NIGHT
PARTLY CLOUDY. LOWS AROUND 16. HIGHS
IN THE LOWER 40S. NORTHWEST WINDS 10 TO 15 MPH.
MONDAY
SUNNY, COLDER. HIGHS IN THE MID 20S. NORTHWEST WINDS
10 TO 15 MPH.
MONDAY NIGHT
PARTLY CLOUDY. LOWS AROUND 17. WEST WINDS 5 TO
10 MPH.
TUESDAY AND TUESDAY NIGHT
MOSTLY CLOUDY WITH A CHANCE OF SNOW.
LOWS IN THE MID 20S. HIGHS IN THE LOWER 30S. WEST WINDS 5 TO
10 MPH.
WEDNESDAY
MOSTLY SUNNY. HIGHS IN THE MID 30S. NORTHWEST WINDS
5 TO 10 MPH.
MAZ011-182100-
EASTERN HAMPDEN MA-
INCLUDING THE CITIES OF CHICOPEE, HOLLAND, PALMER, SOUTHWICK,
SPRINGFIELD, AND WESTFIELD
408 AM EST THU DEC 18 2025
TODAY TONIGHT FRI
CLOUD COVER MCLEAR MCLDY MCLDY
PRECIP TYPE NONE RAIN TSTMS
CHANCE PRECIP (%) 70 100
CHANCE OF THUNDER (%) 0 0 10
TEMP (24H TREND) 48 (+6) 36 (+14) 57
RH % (24H TREND) 53 (+3) 100 (0) 68
20FT WND AM(MPH) LGT/VAR S 19 G38
20FT WND PM(MPH) S 6 S 6 G20 SW 14 G34
PRECIP AMOUNT 0.00 0.20 0.86
PRECIP DURATION 2 10
PRECIP BEGIN 11 PM CONTINUING
PRECIP END CONTINUING CONTINUING
MIXING HGT (FT-AGL) 1920 330 2400
TRANSPORT WND (KTS) S 16 S 11 S 26
VENT RATE (KT-FT) 30720 3630 62400
MAX ADI EARLY 15 GEN POOR 12 POOR 23 FAIR
MAX ADI LATE 31 FAIR 22 FAIR 15 GEN POOR
MAX LVORI EARLY 4 6 8
MAX LVORI LATE 4 6 8
MIN VSBY EARLY 10 3 FOG 1 FOG
MIN VSBY LATE 10 1 FOG 2 FOG
SUNSHINE HOURS N/A N/A N/A
CWR 0 60 100
REMARKS...NONE.
FORECAST FOR DAYS 3 THROUGH 7
FRIDAY NIGHT
PARTLY CLOUDY WITH A CHANCE OF RAIN. LOWS IN THE
MID 20S. WEST WINDS 15 TO 20 MPH.
SATURDAY
MOSTLY SUNNY. HIGHS IN THE UPPER 30S. WEST WINDS
10 TO 15 MPH.
SATURDAY NIGHT
MOSTLY CLOUDY. LOWS AROUND 30. SOUTH WINDS
10 TO 15 MPH.
SUNDAY AND SUNDAY NIGHT
PARTLY CLOUDY. LOWS AROUND 19. HIGHS
IN THE LOWER 40S. NORTHWEST WINDS 10 TO 15 MPH.
MONDAY
SUNNY, COLDER. HIGHS IN THE UPPER 20S. NORTHWEST WINDS
10 TO 15 MPH.
MONDAY NIGHT
PARTLY CLOUDY. LOWS AROUND 18. WEST WINDS 5 TO
10 MPH.
TUESDAY AND TUESDAY NIGHT
MOSTLY CLOUDY WITH A CHANCE OF SNOW.
LOWS IN THE MID 20S. HIGHS IN THE MID 30S. WEST WINDS 5 TO
10 MPH.
WEDNESDAY
MOSTLY SUNNY. HIGHS IN THE UPPER 30S. NORTHWEST
WINDS 5 TO 10 MPH.
CTZ002-182100-
HARTFORD CT-
INCLUDING THE CITIES OF HARTFORD, GLASTONBURY, GRANBY,
SOUTHINGTON, AND WINDSOR LOCKS
408 AM EST THU DEC 18 2025
TODAY TONIGHT FRI
CLOUD COVER MCLEAR MCLDY MCLDY
PRECIP TYPE NONE RAIN TSTMS
CHANCE PRECIP (%) 80 100
CHANCE OF THUNDER (%) 0 0 10
TEMP (24H TREND) 50 (+7) 36 (+13) 58
RH % (24H TREND) 55 (+4) 100 (0) 65
20FT WND AM(MPH) LGT/VAR S 18 G38
20FT WND PM(MPH) S 5 S 5 SW 14 G33
PRECIP AMOUNT 0.00 0.28 0.86
PRECIP DURATION 3 8
PRECIP BEGIN 11 PM CONTINUING
PRECIP END CONTINUING 6 PM
MIXING HGT (FT-AGL) 1900 340 2270
TRANSPORT WND (KTS) S 16 S 11 W 16
VENT RATE (KT-FT) 30400 3740 36320
MAX ADI EARLY 16 GEN POOR 9 POOR 23 FAIR
MAX ADI LATE 33 FAIR 22 FAIR 23 FAIR
MAX LVORI EARLY 4 6 8
MAX LVORI LATE 4 6 8
MIN VSBY EARLY 10 3 FOG 1 FOG
MIN VSBY LATE 10 0 FOG 2 FOG
SUNSHINE HOURS N/A N/A N/A
CWR 0 70 100
REMARKS...NONE.
FORECAST FOR DAYS 3 THROUGH 7
FRIDAY NIGHT
PARTLY CLOUDY. LOWS IN THE MID 20S. WEST WINDS
15 TO 20 MPH.
SATURDAY
MOSTLY SUNNY. HIGHS IN THE UPPER 30S. WEST WINDS
10 TO 15 MPH.
SATURDAY NIGHT
MOSTLY CLOUDY. LOWS IN THE LOWER 30S. SOUTH
WINDS 5 TO 10 MPH.
SUNDAY AND SUNDAY NIGHT
PARTLY CLOUDY. LOWS AROUND 20. HIGHS
IN THE MID 40S. NORTHWEST WINDS 10 TO 15 MPH.
MONDAY
SUNNY, COLDER. HIGHS AROUND 30. NORTHWEST WINDS 10 TO
15 MPH.
MONDAY NIGHT
PARTLY CLOUDY. LOWS AROUND 20. WEST WINDS 5 TO
10 MPH.
TUESDAY AND TUESDAY NIGHT
MOSTLY CLOUDY WITH A CHANCE OF SNOW.
LOWS IN THE UPPER 20S. HIGHS IN THE MID 30S. WEST WINDS 5 TO
10 MPH.
WEDNESDAY
MOSTLY SUNNY. HIGHS AROUND 40. NORTHWEST WINDS 5 TO
10 MPH.
CTZ003-182100-
TOLLAND CT-
INCLUDING THE CITIES OF MANSFIELD, STAFFORD SPRINGS, AND VERNON
408 AM EST THU DEC 18 2025
TODAY TONIGHT FRI
CLOUD COVER MCLEAR MCLDY MCLDY
PRECIP TYPE NONE RAIN TSTMS
CHANCE PRECIP (%) 70 100
CHANCE OF THUNDER (%) 0 0 10
TEMP (24H TREND) 49 (+7) 37 (+14) 57
RH % (24H TREND) 60 (+3) 100 (0) 76
20FT WND AM(MPH) LGT/VAR S 20 G38
20FT WND PM(MPH) S 6 S 7 G19 SW 15 G34
PRECIP AMOUNT 0.00 0.15 0.82
PRECIP DURATION 2 9
PRECIP BEGIN 11 PM CONTINUING
PRECIP END CONTINUING 6 PM
MIXING HGT (FT-AGL) 1920 270 2210
TRANSPORT WND (KTS) S 17 S 12 S 27
VENT RATE (KT-FT) 32640 3240 59670
MAX ADI EARLY 16 GEN POOR 14 GEN POOR 23 FAIR
MAX ADI LATE 34 FAIR 23 FAIR 22 FAIR
MAX LVORI EARLY 4 5 10
MAX LVORI LATE 4 5 10
MIN VSBY EARLY 10 3 FOG 1 FOG
MIN VSBY LATE 10 1 FOG 2 FOG
SUNSHINE HOURS N/A N/A N/A
CWR 0 60 100
REMARKS...NONE.
FORECAST FOR DAYS 3 THROUGH 7
FRIDAY NIGHT
PARTLY CLOUDY. LOWS IN THE MID 20S. WEST WINDS
10 TO 15 MPH.
SATURDAY
MOSTLY SUNNY. HIGHS IN THE UPPER 30S. WEST WINDS
10 TO 15 MPH.
SATURDAY NIGHT
MOSTLY CLOUDY. LOWS AROUND 30. SOUTH WINDS 5 TO
10 MPH.
SUNDAY AND SUNDAY NIGHT
PARTLY CLOUDY. LOWS AROUND 19. HIGHS
IN THE MID 40S. NORTHWEST WINDS 5 TO 10 MPH.
MONDAY
SUNNY, COLDER. HIGHS IN THE UPPER 20S. NORTHWEST WINDS
5 TO 10 MPH.
MONDAY NIGHT
PARTLY CLOUDY. LOWS AROUND 18. WEST WINDS AROUND
5 MPH.
TUESDAY AND TUESDAY NIGHT
MOSTLY CLOUDY WITH A CHANCE OF SNOW
AND RAIN. LOWS IN THE UPPER 20S. HIGHS IN THE MID 30S. WEST WINDS
5 TO 10 MPH.
WEDNESDAY
MOSTLY SUNNY. HIGHS IN THE UPPER 30S. NORTHWEST
WINDS 5 TO 10 MPH.
CTZ004-182100-
WINDHAM CT-
INCLUDING THE CITIES OF ASHFORD, PLAINFIELD, PUTNAM,
AND WILLIMANTIC
408 AM EST THU DEC 18 2025
TODAY TONIGHT FRI
CLOUD COVER MCLEAR MCLDY MCLDY
PRECIP TYPE NONE RAIN RAIN
CHANCE PRECIP (%) 60 100
CHANCE OF THUNDER (%) 0 0 0
TEMP (24H TREND) 51 (+8) 37 (+13) 57
RH % (24H TREND) 52 (-3) 100 (0) 69
20FT WND AM(MPH) LGT/VAR S 19 G38
20FT WND PM(MPH) S 6 S 6 SW 15 G34
PRECIP AMOUNT 0.00 0.08 0.88
PRECIP DURATION 1 10
PRECIP BEGIN 12 AM CONTINUING
PRECIP END CONTINUING CONTINUING
MIXING HGT (FT-AGL) 1950 350 2280
TRANSPORT WND (KTS) S 17 S 13 S 28
VENT RATE (KT-FT) 33150 4550 63840
MAX ADI EARLY 16 GEN POOR 14 GEN POOR 23 FAIR
MAX ADI LATE 35 FAIR 22 FAIR 22 FAIR
MAX LVORI EARLY 4 5 10
MAX LVORI LATE 4 5 10
MIN VSBY EARLY 10 4 FOG 1 FOG
MIN VSBY LATE 10 1 FOG 2 FOG
SUNSHINE HOURS N/A N/A N/A
CWR 0 40 100
REMARKS...NONE.
FORECAST FOR DAYS 3 THROUGH 7
FRIDAY NIGHT
PARTLY CLOUDY WITH A CHANCE OF RAIN. LOWS IN THE
MID 20S. WEST WINDS 10 TO 15 MPH.
SATURDAY
MOSTLY SUNNY. HIGHS IN THE UPPER 30S. WEST WINDS
10 TO 15 MPH, BECOMING SOUTHWEST AROUND 5 MPH IN THE AFTERNOON.
SATURDAY NIGHT
MOSTLY CLOUDY. LOWS AROUND 30. SOUTHWEST WINDS
5 TO 10 MPH.
SUNDAY AND SUNDAY NIGHT
PARTLY CLOUDY. LOWS AROUND 20. HIGHS
IN THE MID 40S. NORTHWEST WINDS 10 TO 15 MPH.
MONDAY
SUNNY, COLDER. HIGHS AROUND 30. NORTHWEST WINDS 5 TO
10 MPH.
MONDAY NIGHT
PARTLY CLOUDY. LOWS AROUND 18. WEST WINDS 5 TO
10 MPH.
TUESDAY AND TUESDAY NIGHT
MOSTLY CLOUDY WITH A CHANCE OF SNOW
AND RAIN. LOWS IN THE UPPER 20S. HIGHS IN THE MID 30S. WEST WINDS
5 TO 10 MPH.
WEDNESDAY
MOSTLY SUNNY. HIGHS AROUND 40. NORTHWEST WINDS 5 TO
10 MPH.
RIZ001-182100-
NORTHWEST PROVIDENCE RI-
INCLUDING THE CITIES OF CUMBERLAND, FOSTER, GLOCESTER,
AND SMITHFIELD
408 AM EST THU DEC 18 2025
TODAY TONIGHT FRI
CLOUD COVER MCLEAR MCLDY MCLDY
PRECIP TYPE NONE RAIN RAIN
CHANCE PRECIP (%) 50 100
CHANCE OF THUNDER (%) 0 0 0
TEMP (24H TREND) 51 (+8) 38 (+13) 57
RH % (24H TREND) 56 (-2) 100 (+1) 77
20FT WND AM(MPH) LGT/VAR S 17 G37
20FT WND PM(MPH) S 5 S 6 SW 15 G34
PRECIP AMOUNT 0.00 0.05 0.89
PRECIP DURATION 1 10
PRECIP BEGIN 12 AM CONTINUING
PRECIP END CONTINUING CONTINUING
MIXING HGT (FT-AGL) 1860 340 2310
TRANSPORT WND (KTS) S 16 S 13 W 19
VENT RATE (KT-FT) 29760 4420 43890
MAX ADI EARLY 16 GEN POOR 15 GEN POOR 24 FAIR
MAX ADI LATE 34 FAIR 23 FAIR 26 FAIR
MAX LVORI EARLY 4 5 10
MAX LVORI LATE 4 5 10
MIN VSBY EARLY 10 6 FOG 1 FOG
MIN VSBY LATE 10 1 FOG 2 FOG
SUNSHINE HOURS N/A N/A N/A
CWR 0 30 100
REMARKS...NONE.
FORECAST FOR DAYS 3 THROUGH 7
FRIDAY NIGHT
PARTLY CLOUDY WITH A CHANCE OF RAIN. LOWS IN THE
MID 20S. WEST WINDS 10 TO 15 MPH.
SATURDAY
MOSTLY SUNNY. HIGHS IN THE UPPER 30S. WEST WINDS
10 TO 15 MPH, DIMINISHING TO AROUND 5 MPH IN THE AFTERNOON.
SATURDAY NIGHT
MOSTLY CLOUDY. LOWS IN THE LOWER 30S. SOUTHWEST
WINDS 5 TO 10 MPH.
SUNDAY AND SUNDAY NIGHT
PARTLY CLOUDY. LOWS IN THE LOWER 20S.
HIGHS IN THE MID 40S. NORTHWEST WINDS 5 TO 10 MPH.
MONDAY
SUNNY, COLDER. HIGHS AROUND 30. NORTHWEST WINDS 5 TO
10 MPH.
MONDAY NIGHT
PARTLY CLOUDY. LOWS AROUND 18. WEST WINDS AROUND
5 MPH.
TUESDAY AND TUESDAY NIGHT
MOSTLY CLOUDY WITH A CHANCE OF SNOW
AND RAIN. LOWS IN THE UPPER 20S. HIGHS IN THE MID 30S. WEST WINDS
5 TO 10 MPH.
WEDNESDAY
MOSTLY SUNNY. HIGHS AROUND 40. NORTHWEST WINDS 5 TO
10 MPH.
RIZ002-182100-
SOUTHEAST PROVIDENCE RI-
INCLUDING THE CITIES OF CRANSTON, JOHNSTON, PAWTUCKET,
AND PROVIDENCE
408 AM EST THU DEC 18 2025
TODAY TONIGHT FRI
CLOUD COVER MCLEAR MCLDY MCLDY
PRECIP TYPE NONE RAIN RAIN
CHANCE PRECIP (%) 50 100
CHANCE OF THUNDER (%) 0 0 0
TEMP (24H TREND) 51 (+6) 39 (+13) 58
RH % (24H TREND) 62 (+8) 100 (+1) 78
20FT WND AM(MPH) LGT/VAR S 19 G39
20FT WND PM(MPH) S 6 S 6 SW 16 G36
PRECIP AMOUNT 0.00 0.03 0.90
PRECIP DURATION 1 10
PRECIP BEGIN 1 AM CONTINUING
PRECIP END CONTINUING CONTINUING
MIXING HGT (FT-AGL) 1830 400 2610
TRANSPORT WND (KTS) S 15 S 20 W 18
VENT RATE (KT-FT) 27450 8000 46980
MAX ADI EARLY 16 GEN POOR 15 GEN POOR 23 FAIR
MAX ADI LATE 31 FAIR 22 FAIR 28 FAIR
MAX LVORI EARLY 4 5 9
MAX LVORI LATE 4 5 9
MIN VSBY EARLY 10 6 FOG 1 FOG
MIN VSBY LATE 10 1 FOG 1 FOG
SUNSHINE HOURS N/A N/A N/A
CWR 0 20 100
REMARKS...NONE.
FORECAST FOR DAYS 3 THROUGH 7
FRIDAY NIGHT
PARTLY CLOUDY WITH A CHANCE OF RAIN. LOWS IN THE
MID 20S. WEST WINDS 15 TO 20 MPH.
SATURDAY
MOSTLY SUNNY. HIGHS AROUND 40. WEST WINDS 10 TO
15 MPH.
SATURDAY NIGHT
MOSTLY CLOUDY. LOWS IN THE LOWER 30S. SOUTHWEST
WINDS 10 TO 15 MPH.
SUNDAY AND SUNDAY NIGHT
PARTLY CLOUDY. LOWS IN THE LOWER 20S.
HIGHS IN THE MID 40S. NORTHWEST WINDS 10 TO 15 MPH.
MONDAY
SUNNY, COLDER. HIGHS IN THE LOWER 30S. NORTHWEST WINDS
10 TO 15 MPH.
MONDAY NIGHT
PARTLY CLOUDY. LOWS AROUND 19. NORTHWEST WINDS
5 TO 10 MPH.
TUESDAY AND TUESDAY NIGHT
MOSTLY CLOUDY WITH A CHANCE OF SNOW
AND RAIN. LOWS IN THE UPPER 20S. HIGHS IN THE UPPER 30S. WEST
WINDS 10 TO 15 MPH.
WEDNESDAY
MOSTLY SUNNY. HIGHS IN THE LOWER 40S. NORTHWEST
WINDS 5 TO 10 MPH.
RIZ003-182100-
WESTERN KENT RI-
INCLUDING THE CITIES OF COVENTRY AND WEST GREENWICH
408 AM EST THU DEC 18 2025
TODAY TONIGHT FRI
CLOUD COVER MCLEAR MCLDY MCLDY
PRECIP TYPE NONE RAIN RAIN
CHANCE PRECIP (%) 50 100
CHANCE OF THUNDER (%) 0 0 0
TEMP (24H TREND) 51 (+7) 39 (+14) 57
RH % (24H TREND) 61 (-1) 100 (+1) 75
20FT WND AM(MPH) LGT/VAR S 19 G38
20FT WND PM(MPH) S 6 S 6 SW 16 G36
PRECIP AMOUNT 0.00 0.04 0.92
PRECIP DURATION 1 10
PRECIP BEGIN 12 AM CONTINUING
PRECIP END CONTINUING CONTINUING
MIXING HGT (FT-AGL) 1910 320 2130
TRANSPORT WND (KTS) S 16 S 21 S 29
VENT RATE (KT-FT) 30560 6720 61770
MAX ADI EARLY 16 GEN POOR 16 GEN POOR 24 FAIR
MAX ADI LATE 34 FAIR 23 FAIR 23 FAIR
MAX LVORI EARLY 4 5 9
MAX LVORI LATE 4 5 9
MIN VSBY EARLY 10 10 1 FOG
MIN VSBY LATE 10 1 FOG 2 FOG
SUNSHINE HOURS N/A N/A N/A
CWR 0 40 100
REMARKS...NONE.
FORECAST FOR DAYS 3 THROUGH 7
FRIDAY NIGHT
PARTLY CLOUDY WITH A CHANCE OF RAIN. LOWS IN THE
MID 20S. WEST WINDS 10 TO 15 MPH.
SATURDAY
MOSTLY SUNNY. HIGHS AROUND 40. WEST WINDS 5 TO
10 MPH.
SATURDAY NIGHT
MOSTLY CLOUDY. LOWS IN THE LOWER 30S. SOUTHWEST
WINDS 5 TO 10 MPH.
SUNDAY
MOSTLY SUNNY. HIGHS IN THE MID 40S. WEST WINDS AROUND
10 MPH.
SUNDAY NIGHT AND MONDAY
MOSTLY CLEAR. COLDER. LOWS AROUND 20.
HIGHS IN THE LOWER 30S. NORTHWEST WINDS 5 TO 10 MPH.
MONDAY NIGHT
PARTLY CLOUDY. LOWS AROUND 19. NORTHWEST WINDS
AROUND 5 MPH.
TUESDAY
MOSTLY CLOUDY WITH A CHANCE OF SNOW AND RAIN. HIGHS IN
THE UPPER 30S. SOUTHWEST WINDS 5 TO 10 MPH.
TUESDAY NIGHT
MOSTLY CLOUDY WITH A CHANCE OF RAIN. LOWS IN THE
UPPER 20S. WEST WINDS 5 TO 10 MPH.
WEDNESDAY
MOSTLY SUNNY. HIGHS IN THE LOWER 40S. NORTHWEST
WINDS 5 TO 10 MPH.
RIZ004-182100-
EASTERN KENT RI-
INCLUDING THE CITIES OF EAST GREENWICH, WARWICK, AND WEST WARWICK
408 AM EST THU DEC 18 2025
TODAY TONIGHT FRI
CLOUD COVER MCLEAR MCLDY MCLDY
PRECIP TYPE NONE RAIN TSTMS
CHANCE PRECIP (%) 50 100
CHANCE OF THUNDER (%) 0 0 10
TEMP (24H TREND) 51 (+6) 40 (+13) 57
RH % (24H TREND) 56 (+2) 100 (+2) 70
20FT WND AM(MPH) LGT/VAR S 20 G40
20FT WND PM(MPH) S 6 S 6 SW 18 G37
PRECIP AMOUNT 0.00 0.02 0.90
PRECIP DURATION 1 10
PRECIP BEGIN 1 AM CONTINUING
PRECIP END CONTINUING CONTINUING
MIXING HGT (FT-AGL) 1980 410 2440
TRANSPORT WND (KTS) S 16 S 12 W 19
VENT RATE (KT-FT) 31680 4920 46360
MAX ADI EARLY 18 GEN POOR 17 GEN POOR 25 FAIR
MAX ADI LATE 35 FAIR 23 FAIR 28 FAIR
MAX LVORI EARLY 4 5 8
MAX LVORI LATE 4 5 8
MIN VSBY EARLY 10 10 1 FOG
MIN VSBY LATE 10 2 FOG 1 FOG
SUNSHINE HOURS N/A N/A N/A
CWR 0 20 100
REMARKS...NONE.
FORECAST FOR DAYS 3 THROUGH 7
FRIDAY NIGHT
PARTLY CLOUDY WITH A CHANCE OF RAIN. LOWS IN THE
MID 20S. WEST WINDS 15 TO 20 MPH.
SATURDAY
MOSTLY SUNNY. HIGHS IN THE LOWER 40S. WEST WINDS
10 TO 15 MPH.
SATURDAY NIGHT
MOSTLY CLOUDY. LOWS IN THE LOWER 30S. SOUTHWEST
WINDS 15 TO 20 MPH.
SUNDAY
MOSTLY SUNNY. HIGHS IN THE UPPER 40S. WEST WINDS 10 TO
15 MPH.
SUNDAY NIGHT AND MONDAY
MOSTLY CLEAR. COLDER. LOWS IN THE
LOWER 20S. HIGHS IN THE LOWER 30S. NORTHWEST WINDS 10 TO 15 MPH.
MONDAY NIGHT
PARTLY CLOUDY. LOWS AROUND 20. NORTHWEST WINDS
5 TO 10 MPH.
TUESDAY
MOSTLY CLOUDY WITH A CHANCE OF RAIN AND SNOW. HIGHS IN
THE UPPER 30S. SOUTHWEST WINDS 10 TO 15 MPH.
TUESDAY NIGHT
MOSTLY CLOUDY WITH A CHANCE OF RAIN. LOWS IN THE
UPPER 20S. WEST WINDS 10 TO 15 MPH.
WEDNESDAY
MOSTLY SUNNY. HIGHS IN THE LOWER 40S. NORTHWEST
WINDS 5 TO 10 MPH.
RIZ005-182100-
BRISTOL RI-
INCLUDING THE CITIES OF BARRINGTON, BRISTOL, AND WARREN
408 AM EST THU DEC 18 2025
TODAY TONIGHT FRI
CLOUD COVER MCLEAR MCLDY MCLDY
PRECIP TYPE NONE RAIN TSTMS
CHANCE PRECIP (%) 40 100
CHANCE OF THUNDER (%) 0 0 10
TEMP (24H TREND) 51 (+6) 41 (+11) 57
RH % (24H TREND) 63 (+2) 100 (+5) 76
20FT WND AM(MPH) LGT/VAR S 23 G42
20FT WND PM(MPH) S 7 S 9 G18 SW 21 G39
PRECIP AMOUNT 0.00 0.02 0.85
PRECIP DURATION 1 10
PRECIP BEGIN 1 AM CONTINUING
PRECIP END CONTINUING CONTINUING
MIXING HGT (FT-AGL) 1970 420 2170
TRANSPORT WND (KTS) S 16 S 15 W 20
VENT RATE (KT-FT) 31520 6300 43400
MAX ADI EARLY 20 GEN POOR 19 GEN POOR 25 FAIR
MAX ADI LATE 35 FAIR 23 FAIR 29 FAIR
MAX LVORI EARLY 4 5 9
MAX LVORI LATE 4 5 9
MIN VSBY EARLY 10 10 1 FOG
MIN VSBY LATE 10 2 FOG 1 FOG
SUNSHINE HOURS N/A N/A N/A
CWR 0 10 100
REMARKS...NONE.
FORECAST FOR DAYS 3 THROUGH 7
FRIDAY NIGHT
PARTLY CLOUDY WITH A CHANCE OF RAIN. LOWS IN THE
UPPER 20S. WEST WINDS 15 TO 20 MPH.
SATURDAY
MOSTLY SUNNY. HIGHS IN THE LOWER 40S. WEST WINDS
10 TO 15 MPH.
SATURDAY NIGHT
MOSTLY CLOUDY. LOWS IN THE MID 30S. SOUTHWEST
WINDS 15 TO 20 MPH.
SUNDAY AND SUNDAY NIGHT
PARTLY CLOUDY. LOWS IN THE MID 20S.
HIGHS IN THE UPPER 40S. NORTHWEST WINDS 15 TO 20 MPH.
MONDAY
SUNNY, COLDER. HIGHS IN THE LOWER 30S. NORTHWEST WINDS
10 TO 15 MPH.
MONDAY NIGHT
PARTLY CLOUDY. LOWS IN THE LOWER 20S. NORTHWEST
WINDS 5 TO 10 MPH.
TUESDAY
MOSTLY CLOUDY WITH A CHANCE OF RAIN AND SNOW. HIGHS IN
THE UPPER 30S. SOUTHWEST WINDS 10 TO 15 MPH.
TUESDAY NIGHT
MOSTLY CLOUDY WITH A CHANCE OF RAIN. LOWS IN THE
LOWER 30S. WEST WINDS 10 TO 15 MPH.
WEDNESDAY
MOSTLY SUNNY. HIGHS IN THE LOWER 40S. NORTHWEST
WINDS 5 TO 10 MPH.
RIZ006-182100-
WASHINGTON RI-
INCLUDING THE CITIES OF KINGSTON, NARRAGANSETT, RICHMOND,
AND WESTERLY
408 AM EST THU DEC 18 2025
TODAY TONIGHT FRI
CLOUD COVER MCLEAR MCLDY MCLDY
PRECIP TYPE NONE RAIN RAIN
CHANCE PRECIP (%) 50 100
CHANCE OF THUNDER (%) 0 0 0
TEMP (24H TREND) 51 (+6) 40 (+13) 56
RH % (24H TREND) 61 (+2) 100 (+1) 70
20FT WND AM(MPH) LGT/VAR S 19 G42
20FT WND PM(MPH) S 6 S 6 G20 SW 18 G39
PRECIP AMOUNT 0.00 0.02 0.79
PRECIP DURATION 1 9
PRECIP BEGIN 12 AM CONTINUING
PRECIP END CONTINUING 6 PM
MIXING HGT (FT-AGL) 2010 400 2180
TRANSPORT WND (KTS) S 15 S 12 W 21
VENT RATE (KT-FT) 30150 4800 45780
MAX ADI EARLY 18 GEN POOR 18 GEN POOR 26 FAIR
MAX ADI LATE 32 FAIR 25 FAIR 27 FAIR
MAX LVORI EARLY 5 5 9
MAX LVORI LATE 5 5 9
MIN VSBY EARLY 10 10 1 FOG
MIN VSBY LATE 10 1 FOG 1 FOG
SUNSHINE HOURS N/A N/A N/A
CWR 0 10 100
REMARKS...NONE.
FORECAST FOR DAYS 3 THROUGH 7
FRIDAY NIGHT
BREEZY. PARTLY CLOUDY. LOWS IN THE MID 20S. WEST
WINDS 20 TO 25 MPH.
SATURDAY
MOSTLY SUNNY. HIGHS IN THE LOWER 40S. WEST WINDS
15 TO 20 MPH, DIMINISHING TO 5 TO 10 MPH IN THE AFTERNOON.
SATURDAY NIGHT
MOSTLY CLOUDY. LOWS IN THE LOWER 30S. SOUTHWEST
WINDS 15 TO 20 MPH.
SUNDAY
MOSTLY SUNNY. HIGHS IN THE UPPER 40S. WEST WINDS 15 TO
20 MPH.
SUNDAY NIGHT AND MONDAY
MOSTLY CLEAR. COLDER. LOWS IN THE
LOWER 20S. HIGHS IN THE LOWER 30S. NORTHWEST WINDS 15 TO 20 MPH.
MONDAY NIGHT
PARTLY CLOUDY. LOWS AROUND 20. NORTHWEST WINDS
10 TO 15 MPH.
TUESDAY
MOSTLY CLOUDY WITH A CHANCE OF RAIN AND SNOW. HIGHS IN
THE UPPER 30S. SOUTHWEST WINDS 15 TO 20 MPH.
TUESDAY NIGHT
MOSTLY CLOUDY WITH A CHANCE OF RAIN. LOWS IN THE
UPPER 20S. WEST WINDS 15 TO 20 MPH.
WEDNESDAY
MOSTLY SUNNY. HIGHS IN THE LOWER 40S. NORTHWEST
WINDS 10 TO 15 MPH.
RIZ007-182100-
NEWPORT RI-
INCLUDING THE CITIES OF NEWPORT, PORTSMOUTH, AND TIVERTON
408 AM EST THU DEC 18 2025
TODAY TONIGHT FRI
CLOUD COVER MCLEAR MCLDY MCLDY
PRECIP TYPE NONE RAIN TSTMS
CHANCE PRECIP (%) 40 100
CHANCE OF THUNDER (%) 0 0 10
TEMP (24H TREND) 51 (+5) 43 (+12) 56
RH % (24H TREND) 61 (+1) 100 (+5) 75
20FT WND AM(MPH) LGT/VAR S 22 G43
20FT WND PM(MPH) S 7 S 9 G20 SW 21 G42
PRECIP AMOUNT 0.00 0.02 0.74
PRECIP DURATION 1 10
PRECIP BEGIN 1 AM CONTINUING
PRECIP END CONTINUING 6 PM
MIXING HGT (FT-AGL) 1960 450 2220
TRANSPORT WND (KTS) S 16 S 16 W 22
VENT RATE (KT-FT) 31360 7200 48840
MAX ADI EARLY 23 FAIR 22 FAIR 27 FAIR
MAX ADI LATE 34 FAIR 26 FAIR 30 FAIR
MAX LVORI EARLY 4 5 9
MAX LVORI LATE 4 5 9
MIN VSBY EARLY 10 10 1 FOG
MIN VSBY LATE 10 2 FOG 1 FOG
SUNSHINE HOURS N/A N/A N/A
CWR 0 10 100
REMARKS...NONE.
FORECAST FOR DAYS 3 THROUGH 7
FRIDAY NIGHT
BREEZY. PARTLY CLOUDY. LOWS IN THE UPPER 20S.
WEST WINDS 20 TO 25 MPH.
SATURDAY
MOSTLY SUNNY. HIGHS IN THE LOWER 40S. WEST WINDS
15 TO 20 MPH, DIMINISHING TO 5 TO 10 MPH IN THE AFTERNOON.
SATURDAY NIGHT
BREEZY. MOSTLY CLOUDY. LOWS IN THE MID 30S.
SOUTHWEST WINDS 15 TO 25 MPH.
SUNDAY
BREEZY. MOSTLY SUNNY. HIGHS IN THE UPPER 40S. WEST
WINDS 15 TO 25 MPH.
SUNDAY NIGHT AND MONDAY
MOSTLY CLEAR. COLDER. LOWS IN THE MID
20S. HIGHS IN THE LOWER 30S. NORTHWEST WINDS 15 TO 20 MPH.
MONDAY NIGHT
PARTLY CLOUDY. LOWS IN THE LOWER 20S. NORTHWEST
WINDS 10 TO 15 MPH.
TUESDAY
MOSTLY CLOUDY WITH A CHANCE OF RAIN AND SNOW. HIGHS
AROUND 40. SOUTHWEST WINDS 15 TO 20 MPH.
TUESDAY NIGHT
MOSTLY CLOUDY WITH A CHANCE OF RAIN. LOWS IN THE
LOWER 30S. WEST WINDS 15 TO 20 MPH.
WEDNESDAY
MOSTLY SUNNY. HIGHS IN THE LOWER 40S. NORTHWEST
WINDS 10 TO 15 MPH.
RIZ008-182100-
BLOCK ISLAND RI-
INCLUDING THE CITY OF NEW SHOREHAM
408 AM EST THU DEC 18 2025
TODAY TONIGHT FRI
CLOUD COVER MCLEAR MCLDY MCLDY
PRECIP TYPE NONE RAIN TSTMS
CHANCE PRECIP (%) 40 100
CHANCE OF THUNDER (%) 0 0 10
TEMP (24H TREND) 51 (+5) 46 (+8) 55
RH % (24H TREND) 63 (0) 96 (+17) 72
20FT WND AM(MPH) LGT/VAR S 24 G43
20FT WND PM(MPH) S 9 S 11 G21 SW 25 G40
PRECIP AMOUNT 0.00 0.01 0.66
PRECIP DURATION 1 9
PRECIP BEGIN 1 AM CONTINUING
PRECIP END CONTINUING 6 PM
MIXING HGT (FT-AGL) 1760 590 2420
TRANSPORT WND (KTS) S 13 S 25 W 32
VENT RATE (KT-FT) 22880 14750 77440
MAX ADI EARLY 27 FAIR 27 FAIR 34 FAIR
MAX ADI LATE 28 FAIR 32 FAIR 50 GEN GOOD
MAX LVORI EARLY 4 4 7
MAX LVORI LATE 4 4 7
MIN VSBY EARLY 10 10 1 FOG
MIN VSBY LATE 10 4 FOG 1 FOG
SUNSHINE HOURS N/A N/A N/A
CWR 0 10 100
REMARKS...NONE.
FORECAST FOR DAYS 3 THROUGH 7
FRIDAY NIGHT
WINDY. PARTLY CLOUDY. LOWS IN THE LOWER 30S. WEST
WINDS 20 TO 30 MPH.
SATURDAY
MOSTLY SUNNY. HIGHS IN THE MID 40S. WEST WINDS 15 TO
20 MPH, DIMINISHING TO AROUND 10 MPH IN THE AFTERNOON.
SATURDAY NIGHT
MOSTLY CLOUDY. LOWS IN THE UPPER 30S. SOUTHWEST
WINDS 15 TO 20 MPH.
SUNDAY AND SUNDAY NIGHT
PARTLY CLOUDY. LOWS IN THE MID 20S.
HIGHS IN THE UPPER 40S. NORTHWEST WINDS 15 TO 20 MPH.
MONDAY
SUNNY, COLDER. HIGHS IN THE LOWER 30S. NORTHWEST WINDS
15 TO 20 MPH.
MONDAY NIGHT
PARTLY CLOUDY. LOWS IN THE UPPER 20S. NORTHWEST
WINDS 10 TO 15 MPH.
TUESDAY
MOSTLY CLOUDY WITH A CHANCE OF RAIN AND SNOW. HIGHS IN
THE LOWER 40S. WEST WINDS 10 TO 15 MPH.
TUESDAY NIGHT
MOSTLY CLOUDY WITH A CHANCE OF RAIN. LOWS IN THE
MID 30S. WEST WINDS 15 TO 20 MPH.
WEDNESDAY
MOSTLY SUNNY. HIGHS IN THE LOWER 40S. NORTHWEST
WINDS 10 TO 15 MPH.
MAZ017-182100-
NORTHERN BRISTOL MA-
INCLUDING THE CITIES OF ATTLEBORO, BERKLEY, EASTON, MANSFIELD,
REHOBOTH, AND TAUNTON
408 AM EST THU DEC 18 2025
TODAY TONIGHT FRI
CLOUD COVER MCLEAR MCLDY MCLDY
PRECIP TYPE NONE RAIN TSTMS
CHANCE PRECIP (%) 40 100
CHANCE OF THUNDER (%) 0 0 10
TEMP (24H TREND) 51 (+6) 38 (+13) 58
RH % (24H TREND) 52 (-1) 100 (+1) 75
20FT WND AM(MPH) LGT/VAR S 17 G41
20FT WND PM(MPH) S 5 LGT/VAR SW 15 G40
PRECIP AMOUNT 0.00 0.02 0.87
PRECIP DURATION 1 10
PRECIP BEGIN 1 AM CONTINUING
PRECIP END CONTINUING CONTINUING
MIXING HGT (FT-AGL) 1910 410 2140
TRANSPORT WND (KTS) S 15 S 19 S 30
VENT RATE (KT-FT) 28650 7790 64200
MAX ADI EARLY 12 POOR 13 GEN POOR 23 FAIR
MAX ADI LATE 31 FAIR 21 FAIR 23 FAIR
MAX LVORI EARLY 4 5 10
MAX LVORI LATE 4 5 10
MIN VSBY EARLY 10 9 1 FOG
MIN VSBY LATE 10 2 FOG 1 FOG
SUNSHINE HOURS N/A N/A N/A
CWR 0 10 100
REMARKS...NONE.
FORECAST FOR DAYS 3 THROUGH 7
FRIDAY NIGHT
PARTLY CLOUDY WITH A CHANCE OF RAIN. LOWS IN THE
MID 20S. WEST WINDS 10 TO 15 MPH.
SATURDAY
MOSTLY SUNNY. HIGHS AROUND 40. WEST WINDS 5 TO
10 MPH.
SATURDAY NIGHT
MOSTLY CLOUDY. LOWS IN THE LOWER 30S. SOUTHWEST
WINDS 5 TO 10 MPH.
SUNDAY AND SUNDAY NIGHT
PARTLY CLOUDY. LOWS IN THE LOWER 20S.
HIGHS IN THE MID 40S. NORTHWEST WINDS 5 TO 10 MPH.
MONDAY
SUNNY, COLDER. HIGHS IN THE LOWER 30S. NORTHWEST WINDS
5 TO 10 MPH.
MONDAY NIGHT
PARTLY CLOUDY. LOWS AROUND 18. NORTHWEST WINDS
AROUND 5 MPH.
TUESDAY
MOSTLY CLOUDY WITH A CHANCE OF SNOW AND RAIN. HIGHS IN
THE UPPER 30S. SOUTHWEST WINDS 5 TO 10 MPH.
TUESDAY NIGHT
MOSTLY CLOUDY WITH A CHANCE OF RAIN. LOWS IN THE
UPPER 20S. SOUTHWEST WINDS AROUND 5 MPH.
WEDNESDAY
MOSTLY SUNNY. HIGHS IN THE LOWER 40S. NORTHWEST
WINDS 5 TO 10 MPH.
MAZ018-182100-
WESTERN PLYMOUTH MA-
INCLUDING THE CITIES OF BRIDGEWATER, BROCKTON, CARVER,
MIDDLEBORO, AND PEMBROKE
408 AM EST THU DEC 18 2025
TODAY TONIGHT FRI
CLOUD COVER MCLEAR MCLDY MCLDY
PRECIP TYPE NONE RAIN RAIN
CHANCE PRECIP (%) 40 100
CHANCE OF THUNDER (%) 0 0 0
TEMP (24H TREND) 51 (+6) 38 (+13) 58
RH % (24H TREND) 60 (+9) 100 (+1) 81
20FT WND AM(MPH) LGT/VAR S 17 G41
20FT WND PM(MPH) S 5 S 5 SW 16 G43
PRECIP AMOUNT 0.00 0.01 0.82
PRECIP DURATION 1 10
PRECIP BEGIN 1 AM CONTINUING
PRECIP END CONTINUING CONTINUING
MIXING HGT (FT-AGL) 1730 410 1940
TRANSPORT WND (KTS) S 14 S 20 S 31
VENT RATE (KT-FT) 24220 8200 60140
MAX ADI EARLY 12 POOR 18 GEN POOR 23 FAIR
MAX ADI LATE 27 FAIR 22 FAIR 21 FAIR
MAX LVORI EARLY 4 5 10
MAX LVORI LATE 4 5 10
MIN VSBY EARLY 10 10 1 FOG
MIN VSBY LATE 10 2 FOG 1 FOG
SUNSHINE HOURS N/A N/A N/A
CWR 0 10 100
REMARKS...NONE.
FORECAST FOR DAYS 3 THROUGH 7
FRIDAY NIGHT
PARTLY CLOUDY WITH A CHANCE OF RAIN. LOWS IN THE
MID 20S. WEST WINDS 10 TO 15 MPH.
SATURDAY
MOSTLY SUNNY. HIGHS IN THE LOWER 40S. WEST WINDS
10 TO 15 MPH, DIMINISHING TO AROUND 5 MPH IN THE AFTERNOON.
SATURDAY NIGHT
MOSTLY CLOUDY. LOWS IN THE LOWER 30S. SOUTHWEST
WINDS 5 TO 10 MPH.
SUNDAY AND SUNDAY NIGHT
PARTLY CLOUDY. LOWS IN THE LOWER 20S.
HIGHS IN THE UPPER 40S. NORTHWEST WINDS 5 TO 10 MPH.
MONDAY
SUNNY, COLDER. HIGHS IN THE LOWER 30S. NORTHWEST WINDS
5 TO 10 MPH.
MONDAY NIGHT
PARTLY CLOUDY. LOWS AROUND 18. NORTHWEST WINDS
AROUND 5 MPH.
TUESDAY AND TUESDAY NIGHT
MOSTLY CLOUDY WITH A CHANCE OF SNOW
AND RAIN. LOWS IN THE MID 20S. HIGHS IN THE UPPER 30S. WEST WINDS
5 TO 10 MPH.
WEDNESDAY
MOSTLY SUNNY. HIGHS IN THE LOWER 40S. NORTHWEST
WINDS 5 TO 10 MPH.
MAZ019-182100-
EASTERN PLYMOUTH MA-
INCLUDING THE CITIES OF COHASSET, HINGHAM, MARSHFIELD, PLYMOUTH,
AND SCITUATE
408 AM EST THU DEC 18 2025
TODAY TONIGHT FRI
CLOUD COVER MCLEAR MCLDY MCLDY
PRECIP TYPE NONE RAIN RAIN
CHANCE PRECIP (%) 40 100
CHANCE OF THUNDER (%) 0 0 0
TEMP (24H TREND) 50 (+4) 37 (+8) 57
RH % (24H TREND) 52 (0) 100 (+2) 77
20FT WND AM(MPH) LGT/VAR S 18 G41
20FT WND PM(MPH) S 7 S 7 G20 S 19 G44
PRECIP AMOUNT 0.00 0.01 0.76
PRECIP DURATION 1 10
PRECIP BEGIN 1 AM CONTINUING
PRECIP END CONTINUING CONTINUING
MIXING HGT (FT-AGL) 1760 420 1860
TRANSPORT WND (KTS) S 15 S 21 S 34
VENT RATE (KT-FT) 26400 8820 63240
MAX ADI EARLY 13 GEN POOR 21 FAIR 26 FAIR
MAX ADI LATE 29 FAIR 24 FAIR 24 FAIR
MAX LVORI EARLY 4 5 9
MAX LVORI LATE 4 5 9
MIN VSBY EARLY 10 10 1 FOG
MIN VSBY LATE 10 2 FOG 1 FOG
SUNSHINE HOURS N/A N/A N/A
CWR 0 10 100
REMARKS...NONE.
FORECAST FOR DAYS 3 THROUGH 7
FRIDAY NIGHT
WINDY. PARTLY CLOUDY WITH A CHANCE OF RAIN. LOWS
IN THE MID 20S. WEST WINDS 20 TO 30 MPH.
SATURDAY
MOSTLY SUNNY. HIGHS IN THE LOWER 40S. WEST WINDS
15 TO 20 MPH, DIMINISHING TO 5 TO 10 MPH IN THE AFTERNOON.
SATURDAY NIGHT
MOSTLY CLOUDY. LOWS IN THE LOWER 30S. SOUTHWEST
WINDS 15 TO 20 MPH.
SUNDAY
PARTLY SUNNY. HIGHS IN THE UPPER 40S. WEST WINDS 15 TO
20 MPH.
SUNDAY NIGHT
BREEZY. PARTLY CLOUDY. COLDER. LOWS IN THE LOWER
20S. WEST WINDS 20 TO 25 MPH.
MONDAY
BREEZY, SUNNY, COLDER. HIGHS IN THE LOWER 30S.
NORTHWEST WINDS 15 TO 25 MPH.
MONDAY NIGHT
PARTLY CLOUDY. LOWS AROUND 20. NORTHWEST WINDS
10 TO 15 MPH.
TUESDAY
PARTLY SUNNY WITH A CHANCE OF SNOW AND RAIN. HIGHS IN
THE UPPER 30S. SOUTHWEST WINDS 10 TO 15 MPH.
TUESDAY NIGHT
MOSTLY CLOUDY WITH A CHANCE OF RAIN. LOWS IN THE
UPPER 20S. SOUTHWEST WINDS 10 TO 15 MPH.
WEDNESDAY
MOSTLY SUNNY. HIGHS AROUND 40. NORTHWEST WINDS 10 TO
15 MPH.
MAZ020-182100-
SOUTHERN BRISTOL MA-
INCLUDING THE CITIES OF ACUSHNET, FALL RIVER, NEW BEDFORD,
SWANSEA, AND WESTPORT
408 AM EST THU DEC 18 2025
TODAY TONIGHT FRI
CLOUD COVER MCLEAR MCLDY MCLDY
PRECIP TYPE NONE RAIN RAIN
CHANCE PRECIP (%) 40 100
CHANCE OF THUNDER (%) 0 0 0
TEMP (24H TREND) 51 (+5) 40 (+12) 57
RH % (24H TREND) 56 (-1) 100 (+1) 75
20FT WND AM(MPH) LGT/VAR S 20 G43
20FT WND PM(MPH) S 6 S 7 G21 SW 20 G43
PRECIP AMOUNT 0.00 0.01 0.76
PRECIP DURATION 1 10
PRECIP BEGIN 1 AM CONTINUING
PRECIP END CONTINUING CONTINUING
MIXING HGT (FT-AGL) 1950 380 1910
TRANSPORT WND (KTS) S 16 S 18 W 19
VENT RATE (KT-FT) 31200 6840 36290
MAX ADI EARLY 18 GEN POOR 20 GEN POOR 25 FAIR
MAX ADI LATE 32 FAIR 23 FAIR 24 FAIR
MAX LVORI EARLY 5 5 10
MAX LVORI LATE 5 5 10
MIN VSBY EARLY 10 10 0 FOG
MIN VSBY LATE 10 2 FOG 1 FOG
SUNSHINE HOURS N/A N/A N/A
CWR 0 10 100
REMARKS...NONE.
FORECAST FOR DAYS 3 THROUGH 7
FRIDAY NIGHT
WINDY. PARTLY CLOUDY WITH A CHANCE OF RAIN. LOWS
IN THE MID 20S. WEST WINDS 20 TO 30 MPH.
SATURDAY
BREEZY. MOSTLY SUNNY. HIGHS IN THE LOWER 40S. WEST
WINDS 20 TO 25 MPH, DIMINISHING TO 10 TO 15 MPH IN THE AFTERNOON.
SATURDAY NIGHT
BREEZY. MOSTLY CLOUDY. LOWS IN THE LOWER 30S.
SOUTHWEST WINDS 15 TO 25 MPH.
SUNDAY AND SUNDAY NIGHT
BREEZY. PARTLY CLOUDY. LOWS IN THE
LOWER 20S. HIGHS IN THE UPPER 40S. NORTHWEST WINDS 15 TO 25 MPH.
MONDAY
SUNNY, COLDER. HIGHS IN THE LOWER 30S. NORTHWEST WINDS
15 TO 20 MPH.
MONDAY NIGHT
PARTLY CLOUDY. LOWS AROUND 20. NORTHWEST WINDS
10 TO 15 MPH.
TUESDAY
MOSTLY CLOUDY WITH A CHANCE OF RAIN AND SNOW. HIGHS IN
THE UPPER 30S. SOUTHWEST WINDS 15 TO 20 MPH.
TUESDAY NIGHT
MOSTLY CLOUDY WITH A CHANCE OF RAIN. LOWS IN THE
UPPER 20S. WEST WINDS 15 TO 20 MPH.
WEDNESDAY
MOSTLY SUNNY. HIGHS IN THE LOWER 40S. NORTHWEST
WINDS 10 TO 15 MPH.
MAZ021-182100-
SOUTHERN PLYMOUTH MA-
INCLUDING THE CITIES OF MARION, MATTAPOISETT, ROCHESTER,
AND WAREHAM
408 AM EST THU DEC 18 2025
TODAY TONIGHT FRI
CLOUD COVER MCLEAR MCLDY MCLDY
PRECIP TYPE NONE RAIN RAIN
CHANCE PRECIP (%) 40 100
CHANCE OF THUNDER (%) 0 0 0
TEMP (24H TREND) 51 (+5) 39 (+12) 57
RH % (24H TREND) 63 (-1) 100 (+1) 84
20FT WND AM(MPH) LGT/VAR S 19 G42
20FT WND PM(MPH) S 6 S 6 G20 S 19 G44
PRECIP AMOUNT 0.00 0.01 0.72
PRECIP DURATION 1 10
PRECIP BEGIN 2 AM CONTINUING
PRECIP END CONTINUING CONTINUING
MIXING HGT (FT-AGL) 1660 420 1850
TRANSPORT WND (KTS) S 14 S 18 S 30
VENT RATE (KT-FT) 23240 7560 55500
MAX ADI EARLY 13 GEN POOR 21 FAIR 25 FAIR
MAX ADI LATE 25 FAIR 23 FAIR 20 GEN POOR
MAX LVORI EARLY 5 5 9
MAX LVORI LATE 5 5 9
MIN VSBY EARLY 10 10 0 FOG
MIN VSBY LATE 10 2 FOG 1 FOG
SUNSHINE HOURS N/A N/A N/A
CWR 0 10 100
REMARKS...NONE.
FORECAST FOR DAYS 3 THROUGH 7
FRIDAY NIGHT
BREEZY. PARTLY CLOUDY WITH A CHANCE OF RAIN. LOWS
IN THE MID 20S. WEST WINDS 15 TO 25 MPH.
SATURDAY
MOSTLY SUNNY. HIGHS IN THE LOWER 40S. WEST WINDS
15 TO 20 MPH, DIMINISHING TO 5 TO 10 MPH IN THE AFTERNOON.
SATURDAY NIGHT
MOSTLY CLOUDY. LOWS IN THE LOWER 30S. SOUTHWEST
WINDS 15 TO 20 MPH.
SUNDAY AND SUNDAY NIGHT
PARTLY CLOUDY. LOWS IN THE LOWER 20S.
HIGHS IN THE UPPER 40S. NORTHWEST WINDS 15 TO 20 MPH.
MONDAY
SUNNY, COLDER. HIGHS IN THE LOWER 30S. NORTHWEST WINDS
15 TO 20 MPH.
MONDAY NIGHT
PARTLY CLOUDY. LOWS AROUND 20. NORTHWEST WINDS
10 TO 15 MPH.
TUESDAY
MOSTLY CLOUDY WITH A CHANCE OF RAIN AND SNOW. HIGHS IN
THE UPPER 30S. SOUTHWEST WINDS 10 TO 15 MPH.
TUESDAY NIGHT
MOSTLY CLOUDY WITH A CHANCE OF RAIN. LOWS IN THE
UPPER 20S. WEST WINDS 10 TO 15 MPH.
WEDNESDAY
MOSTLY SUNNY. HIGHS IN THE LOWER 40S. NORTHWEST
WINDS 5 TO 10 MPH.
MAZ022-182100-
BARNSTABLE MA-
INCLUDING THE CITIES OF BOURNE, CHATHAM, FALMOUTH, HYANNIS,
PROVINCETOWN, AND WELLFLEET
408 AM EST THU DEC 18 2025
TODAY TONIGHT FRI
CLOUD COVER MCLEAR MCLDY CLOUDY
PRECIP TYPE NONE RAIN RAIN
CHANCE PRECIP (%) 30 100
CHANCE OF THUNDER (%) 0 0 0
TEMP (24H TREND) 49 (+3) 39 (+7) 54
RH % (24H TREND) 58 (-1) 100 (+5) 81
20FT WND AM(MPH) LGT/VAR S 19 G42
20FT WND PM(MPH) S 7 S 8 G21 S 23 G48
PRECIP AMOUNT 0.00 0.01 0.62
PRECIP DURATION 1 10
PRECIP BEGIN 3 AM CONTINUING
PRECIP END CONTINUING CONTINUING
MIXING HGT (FT-AGL) 1310 460 1660
TRANSPORT WND (KTS) S 13 S 26 S 32
VENT RATE (KT-FT) 17030 11960 53120
MAX ADI EARLY 13 GEN POOR 25 FAIR 29 FAIR
MAX ADI LATE 19 GEN POOR 28 FAIR 25 FAIR
MAX LVORI EARLY 4 5 9
MAX LVORI LATE 4 5 9
MIN VSBY EARLY 10 10 0 FOG
MIN VSBY LATE 10 2 FOG 0 FOG
SUNSHINE HOURS N/A N/A N/A
CWR 0 10 100
REMARKS...NONE.
FORECAST FOR DAYS 3 THROUGH 7
FRIDAY NIGHT
WINDY. PARTLY CLOUDY WITH A CHANCE OF RAIN. LOWS
IN THE UPPER 20S. WEST WINDS 25 TO 30 MPH.
SATURDAY
BREEZY. MOSTLY SUNNY. HIGHS IN THE LOWER 40S. WEST
WINDS 20 TO 25 MPH, DIMINISHING TO 10 TO 15 MPH IN THE AFTERNOON.
SATURDAY NIGHT
MOSTLY CLOUDY. LOWS IN THE MID 30S. SOUTHWEST
WINDS 15 TO 20 MPH.
SUNDAY
PARTLY SUNNY. HIGHS IN THE UPPER 40S. SOUTHWEST WINDS
15 TO 20 MPH.
SUNDAY NIGHT
BREEZY. PARTLY CLOUDY. COLDER. LOWS IN THE LOWER
20S. WEST WINDS 20 TO 25 MPH.
MONDAY
BREEZY, SUNNY, COLDER. HIGHS IN THE LOWER 30S.
NORTHWEST WINDS 20 TO 25 MPH, DIMINISHING TO 10 TO 15 MPH IN THE
AFTERNOON.
MONDAY NIGHT
PARTLY CLOUDY. LOWS IN THE LOWER 20S. NORTHWEST
WINDS 10 TO 15 MPH.
TUESDAY
PARTLY SUNNY WITH A CHANCE OF RAIN AND SNOW. HIGHS
AROUND 40. WEST WINDS 10 TO 15 MPH.
TUESDAY NIGHT
MOSTLY CLOUDY WITH A CHANCE OF RAIN. LOWS AROUND
30. WEST WINDS 10 TO 15 MPH.
WEDNESDAY
MOSTLY SUNNY. HIGHS IN THE LOWER 40S. NORTHWEST
WINDS 10 TO 15 MPH.
MAZ023-182100-
DUKES MA-
INCLUDING THE CITIES OF EDGARTOWN, OAK BLUFFS, AND VINEYARD HAVEN
408 AM EST THU DEC 18 2025
TODAY TONIGHT FRI
CLOUD COVER MCLEAR MCLDY MCLDY
PRECIP TYPE NONE RAIN TSTMS
CHANCE PRECIP (%) 30 100
CHANCE OF THUNDER (%) 0 0 10
TEMP (24H TREND) 50 (+2) 41 (+7) 55
RH % (24H TREND) 62 (+5) 100 (+13) 76
20FT WND AM(MPH) LGT/VAR S 23 G44
20FT WND PM(MPH) S 8 S 11 G22 S 25 G45
PRECIP AMOUNT 0.00 0.01 0.58
PRECIP DURATION 1 10
PRECIP BEGIN 3 AM CONTINUING
PRECIP END CONTINUING 6 PM
MIXING HGT (FT-AGL) 1170 570 1630
TRANSPORT WND (KTS) S 11 S 17 S 34
VENT RATE (KT-FT) 12870 9690 55420
MAX ADI EARLY 11 POOR 27 FAIR 30 FAIR
MAX ADI LATE 19 GEN POOR 29 FAIR 31 FAIR
MAX LVORI EARLY 4 4 7
MAX LVORI LATE 4 4 7
MIN VSBY EARLY 10 10 0 FOG
MIN VSBY LATE 10 2 FOG 1 FOG
SUNSHINE HOURS N/A N/A N/A
CWR 0 20 100
REMARKS...NONE.
FORECAST FOR DAYS 3 THROUGH 7
FRIDAY NIGHT
WINDY. PARTLY CLOUDY. LOWS AROUND 30. WEST WINDS
20 TO 30 MPH.
SATURDAY
BREEZY. MOSTLY SUNNY. HIGHS IN THE MID 40S. WEST
WINDS 20 TO 25 MPH, DIMINISHING TO 10 TO 15 MPH IN THE AFTERNOON.
SATURDAY NIGHT
WINDY. MOSTLY CLOUDY. LOWS IN THE MID 30S.
SOUTHWEST WINDS 20 TO 30 MPH.
SUNDAY AND SUNDAY NIGHT
WINDY. PARTLY CLOUDY. LOWS IN THE MID
20S. HIGHS IN THE UPPER 40S. NORTHWEST WINDS 20 TO 30 MPH.
MONDAY
BREEZY, SUNNY, COLDER. HIGHS IN THE LOWER 30S.
NORTHWEST WINDS 15 TO 25 MPH.
MONDAY NIGHT
PARTLY CLOUDY. LOWS IN THE MID 20S. NORTHWEST
WINDS 10 TO 15 MPH.
TUESDAY
PARTLY SUNNY WITH A CHANCE OF RAIN. HIGHS IN THE LOWER
40S. WEST WINDS 15 TO 20 MPH.
TUESDAY NIGHT
BREEZY. MOSTLY CLOUDY WITH A CHANCE OF RAIN.
LOWS IN THE LOWER 30S. WEST WINDS 15 TO 25 MPH.
WEDNESDAY
MOSTLY SUNNY. HIGHS IN THE LOWER 40S. NORTHWEST
WINDS 15 TO 20 MPH.
MAZ024-182100-
NANTUCKET MA-
INCLUDING THE CITY OF NANTUCKET
408 AM EST THU DEC 18 2025
TODAY TONIGHT FRI
CLOUD COVER CLEAR PCLDY CLOUDY
PRECIP TYPE NONE RAIN RAIN
CHANCE PRECIP (%) 20 100
CHANCE OF THUNDER (%) 0 0 0
TEMP (24H TREND) 49 (+2) 41 (+4) 53
RH % (24H TREND) 65 (+3) 100 (+7) 83
20FT WND AM(MPH) LGT/VAR S 22 G42
20FT WND PM(MPH) SE 9 S 11 G20 S 26 G47
PRECIP AMOUNT 0.00 0.00 0.54
PRECIP DURATION 10
PRECIP BEGIN 6 AM
PRECIP END 6 PM
MIXING HGT (FT-AGL) 680 580 1330
TRANSPORT WND (KTS) S 9 S 18 S 38
VENT RATE (KT-FT) 6120 10440 50540
MAX ADI EARLY 10 POOR 29 FAIR 32 FAIR
MAX ADI LATE 15 GEN POOR 31 FAIR 29 FAIR
MAX LVORI EARLY 6 4 9
MAX LVORI LATE 6 4 9
MIN VSBY EARLY 10 10 1 FOG
MIN VSBY LATE 10 2 FOG 1 FOG
SUNSHINE HOURS N/A N/A N/A
CWR 0 10 90
REMARKS...NONE.
FORECAST FOR DAYS 3 THROUGH 7
FRIDAY NIGHT
WINDY. PARTLY CLOUDY. LOWS IN THE LOWER 30S. WEST
WINDS 20 TO 30 MPH.
SATURDAY
WINDY. MOSTLY SUNNY. HIGHS IN THE LOWER 40S. WEST
WINDS 20 TO 30 MPH, DIMINISHING TO 10 TO 15 MPH IN THE AFTERNOON.
SATURDAY NIGHT
MOSTLY CLOUDY. LOWS IN THE UPPER 30S. SOUTHWEST
WINDS 15 TO 20 MPH.
SUNDAY
PARTLY SUNNY. HIGHS IN THE UPPER 40S. WEST WINDS 15 TO
20 MPH.
SUNDAY NIGHT
BREEZY. PARTLY CLOUDY. COLDER. LOWS IN THE MID
20S. NORTHWEST WINDS 15 TO 25 MPH.
MONDAY
BREEZY, SUNNY, COLDER. HIGHS IN THE LOWER 30S.
NORTHWEST WINDS 15 TO 25 MPH.
MONDAY NIGHT
PARTLY CLOUDY. LOWS IN THE MID 20S. NORTHWEST
WINDS 10 TO 15 MPH.
TUESDAY
PARTLY SUNNY WITH A CHANCE OF RAIN. HIGHS IN THE LOWER
40S. WEST WINDS 15 TO 20 MPH.
TUESDAY NIGHT
MOSTLY CLOUDY WITH A CHANCE OF RAIN. LOWS IN THE
LOWER 30S. WEST WINDS 15 TO 20 MPH.
WEDNESDAY
MOSTLY SUNNY. HIGHS IN THE LOWER 40S. NORTHWEST
WINDS 10 TO 15 MPH.
OUTLOOK 8 TO 14 DAYS
TEMPERATURES BELOW NORMAL. PRECIPITATION NEAR NORMAL.
FOR THE LATEST UPDATES...PLEASE VISIT OUR WEBPAGE AT
WWW.WEATHER.GOV/BOSTON
YOU CAN FOLLOW US ON FACEBOOK AT
WWW.FACEBOOK.COM/NWSBOSTON
YOU CAN FOLLOW US ON TWITTER AT
@NWSBOSTON
CLICK HERE TO GO TO PREVIOUS BULLETINS.
Main Text Page