887
FNUS51 KBOX 172110
FWFBOX
FIRE WEATHER PLANNING FORECAST FOR SOUTHERN NEW ENGLAND
NATIONAL WEATHER SERVICE BOSTON/NORTON MA
409 PM EST WED DEC 17 2025
DISCUSSION
MILD AND DRY THURSDAY WITH LIGHT WINDS AS HIGH PRESSURE BUILDS
INTO THE REGION.
MINIMUM RELATIVE HUMIDITY VALUES WILL RANGE FROM 50 TO 70 PERCENT
THURSDAY.
OUTLOOK...THURSDAY NIGHT THROUGH TUESDAY
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. THIS FRONT MOVES
THROUGH FRIDAY AFTERNOON FOLLOWED BY STRONG WEST WIND GUSTS AND
SHARPLY COLDER CONDITIONS FRIDAY NIGHT INTO EARLY 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.
MAZ015-180900-
SUFFOLK MA-
INCLUDING THE CITIES OF BOSTON, CHELSEA, REVERE, AND WINTHROP
409 PM EST WED DEC 17 2025
TONIGHT THU THU NIGHT FRI
CLOUD COVER MCLEAR MCLEAR MCLDY MCLDY
PRECIP TYPE NONE NONE RAIN RAIN
CHANCE PRECIP (%) 80 90
CHANCE OF THUNDER (%) 0 0 0 0
TEMP (24H TREND) 27 (0) 49 (+5) 39 59
RH % (24H TREND) 91 (+19) 55 (+9) 100 70
20FT WND AM(MPH) LGT/VAR S 15 G37
20FT WND PM(MPH) W 7 G18 S 6 S 6 G20 SW 13 G34
PRECIP AMOUNT 0.00 0.00 0.08 0.88
PRECIP DURATION 3 10
PRECIP BEGIN 11 PM CONTINUING
PRECIP END CONTINUING CONTINUING
MIXING HGT (FT-AGL) 350 1640 480 2420
TRANSPORT WND (KTS) SW 7 S 13 S 14 W 19
VENT RATE (KT-FT) 2450 21320 6720 45980
MAX ADI EARLY 14 GEN POOR 16 GEN POOR 13 GEN POOR 20 GEN POOR
MAX ADI LATE 7 POOR 26 FAIR 19 GEN POOR 28 FAIR
MAX LVORI EARLY 5 3 5 7
MAX LVORI LATE 5 3 5 7
MIN VSBY EARLY 10 9 2 FOG 3 FOG
MIN VSBY LATE 10 9 5 FOG 3 FOG
SUNSHINE HOURS N/A N/A N/A N/A
CWR 0 0 50 100
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
MOSTLY 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 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 AND TUESDAY NIGHT
MOSTLY CLOUDY. 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 UPPER 30S. NORTHWEST
WINDS 10 TO 15 MPH.
MAZ016-180900-
EASTERN NORFOLK MA-
INCLUDING THE CITIES OF BRAINTREE, MILTON, QUINCY, AND WEYMOUTH
409 PM EST WED DEC 17 2025
TONIGHT THU THU NIGHT FRI
CLOUD COVER MCLEAR MCLEAR MCLDY MCLDY
PRECIP TYPE NONE NONE RAIN RAIN
CHANCE PRECIP (%) 70 90
CHANCE OF THUNDER (%) 0 0 0 0
TEMP (24H TREND) 26 (-1) 50 (+6) 39 58
RH % (24H TREND) 91 (+13) 58 (+11) 100 74
20FT WND AM(MPH) LGT/VAR S 16 G37
20FT WND PM(MPH) W 7 G18 S 6 S 7 G20 SW 13 G35
PRECIP AMOUNT 0.00 0.00 0.07 0.92
PRECIP DURATION 3 9
PRECIP BEGIN 11 PM CONTINUING
PRECIP END CONTINUING CONTINUING
MIXING HGT (FT-AGL) 310 1780 430 1880
TRANSPORT WND (KTS) SW 6 S 14 S 14 W 17
VENT RATE (KT-FT) 1860 24920 6020 31960
MAX ADI EARLY 13 GEN POOR 18 GEN POOR 14 GEN POOR 20 GEN POOR
MAX ADI LATE 6 VERY POOR 27 FAIR 20 GEN POOR 22 FAIR
MAX LVORI EARLY 6 3 5 8
MAX LVORI LATE 6 3 5 8
MIN VSBY EARLY 9 9 3 FOG 3 FOG
MIN VSBY LATE 10 9 5 FOG 3 FOG
SUNSHINE HOURS N/A N/A N/A N/A
CWR 0 0 50 100
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 20 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
PARTLY SUNNY. HIGHS IN THE MID 40S. WEST WINDS 10 TO
15 MPH.
SUNDAY NIGHT
PARTLY CLOUDY. LOWS IN THE LOWER 20S. WEST 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 LOWER 20S. NORTHWEST
WINDS 10 TO 15 MPH.
TUESDAY AND TUESDAY NIGHT
MOSTLY CLOUDY. 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 UPPER 30S. NORTHWEST
WINDS 10 TO 15 MPH.
MAZ013-180900-
WESTERN NORFOLK MA-
INCLUDING THE CITIES OF BELLINGHAM, DEDHAM, FOXBOROUGH, MEDFIELD,
NORWOOD, STOUGHTON, AND WELLESLEY
409 PM EST WED DEC 17 2025
TONIGHT THU THU NIGHT FRI
CLOUD COVER MCLEAR MCLEAR MCLDY MCLDY
PRECIP TYPE NONE NONE RAIN RAIN
CHANCE PRECIP (%) 80 90
CHANCE OF THUNDER (%) 0 0 0 0
TEMP (24H TREND) 25 (+1) 49 (+5) 38 58
RH % (24H TREND) 98 (+13) 53 (+3) 100 70
20FT WND AM(MPH) LGT/VAR S 14 G37
20FT WND PM(MPH) W 5 S 5 S 5 G17 SW 11 G34
PRECIP AMOUNT 0.00 0.00 0.09 0.97
PRECIP DURATION 5 10
PRECIP BEGIN 7 PM CONTINUING
PRECIP END CONTINUING CONTINUING
MIXING HGT (FT-AGL) 320 1940 400 2370
TRANSPORT WND (KTS) SW 6 S 16 S 13 W 17
VENT RATE (KT-FT) 1920 31040 5200 40290
MAX ADI EARLY 8 POOR 25 FAIR 13 GEN POOR 19 GEN POOR
MAX ADI LATE 5 VERY POOR 34 FAIR 18 GEN POOR 26 FAIR
MAX LVORI EARLY 6 4 6 9
MAX LVORI LATE 6 4 6 9
MIN VSBY EARLY 9 9 2 FOG 2 FOG
MIN VSBY LATE 9 9 4 FOG 3 FOG
SUNSHINE HOURS N/A N/A N/A N/A
CWR 0 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 5 TO
10 MPH.
SATURDAY NIGHT
MOSTLY CLOUDY. LOWS AROUND 30. SOUTHWEST WINDS
5 TO 10 MPH.
SUNDAY
PARTLY SUNNY. HIGHS IN THE MID 40S. WEST WINDS 5 TO
10 MPH.
SUNDAY NIGHT
PARTLY CLOUDY. 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 19. NORTHWEST WINDS
AROUND 5 MPH.
TUESDAY AND TUESDAY NIGHT
MOSTLY CLOUDY. A CHANCE OF SNOW AND
RAIN. LOWS IN THE UPPER 20S. HIGHS IN THE UPPER 30S. WEST WINDS
5 TO 10 MPH.
WEDNESDAY
MOSTLY SUNNY. HIGHS IN THE UPPER 30S. NORTHWEST
WINDS 5 TO 10 MPH.
MAZ014-180900-
SOUTHEAST MIDDLESEX MA-
INCLUDING THE CITIES OF CAMBRIDGE, LEXINGTON, NEWTON, WALTHAM,
AND WOBURN
409 PM EST WED DEC 17 2025
TONIGHT THU THU NIGHT FRI
CLOUD COVER MCLEAR MCLEAR MCLDY MCLDY
PRECIP TYPE NONE NONE RAIN RAIN
CHANCE PRECIP (%) 80 90
CHANCE OF THUNDER (%) 0 0 0 0
TEMP (24H TREND) 27 (+1) 48 (+4) 38 59
RH % (24H TREND) 90 (+13) 61 (+10) 100 77
20FT WND AM(MPH) LGT/VAR S 14 G34
20FT WND PM(MPH) W 6 S 5 S 5 G17 SW 11 G33
PRECIP AMOUNT 0.00 0.00 0.07 0.89
PRECIP DURATION 4 10
PRECIP BEGIN 7 PM CONTINUING
PRECIP END CONTINUING CONTINUING
MIXING HGT (FT-AGL) 330 1680 430 2770
TRANSPORT WND (KTS) SW 6 S 13 S 12 W 18
VENT RATE (KT-FT) 1980 21840 5160 49860
MAX ADI EARLY 12 POOR 16 GEN POOR 11 POOR 18 GEN POOR
MAX ADI LATE 6 VERY POOR 25 FAIR 18 GEN POOR 27 FAIR
MAX LVORI EARLY 6 3 6 8
MAX LVORI LATE 6 3 6 8
MIN VSBY EARLY 10 9 2 FOG 3 FOG
MIN VSBY LATE 10 8 5 FOG 3 FOG
SUNSHINE HOURS N/A N/A N/A N/A
CWR 0 0 50 100
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
PARTLY SUNNY. HIGHS IN THE MID 40S. WEST WINDS 5 TO
10 MPH.
SUNDAY NIGHT
PARTLY CLOUDY. LOWS IN THE LOWER 20S. WEST 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 20. NORTHWEST WINDS
AROUND 5 MPH.
TUESDAY
PARTLY SUNNY 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 SNOW. LOWS IN THE
UPPER 20S. SOUTHWEST WINDS 5 TO 10 MPH.
WEDNESDAY
MOSTLY SUNNY. HIGHS IN THE UPPER 30S. NORTHWEST
WINDS 5 TO 10 MPH.
MAZ007-180900-
EASTERN ESSEX MA-
INCLUDING THE CITIES OF BEVERLY, GLOUCESTER, NEWBURYPORT,
PEABODY, SALEM, AND SAUGUS
409 PM EST WED DEC 17 2025
TONIGHT THU THU NIGHT FRI
CLOUD COVER MCLEAR MCLEAR MCLDY MCLDY
PRECIP TYPE NONE NONE RAIN RAIN
CHANCE PRECIP (%) 70 90
CHANCE OF THUNDER (%) 0 0 0 0
TEMP (24H TREND) 26 (-1) 48 (+4) 36 56
RH % (24H TREND) 94 (+10) 55 (+9) 100 77
20FT WND AM(MPH) LGT/VAR S 16 G37
20FT WND PM(MPH) W 8 G21 S 7 G17 S 7 G22 SW 14 G35
PRECIP AMOUNT 0.00 0.00 0.06 0.83
PRECIP DURATION 3 9
PRECIP BEGIN 11 PM CONTINUING
PRECIP END CONTINUING CONTINUING
MIXING HGT (FT-AGL) 300 1830 450 1870
TRANSPORT WND (KTS) SW 7 S 17 S 14 S 29
VENT RATE (KT-FT) 2100 31110 6300 54230
MAX ADI EARLY 16 GEN POOR 25 FAIR 14 GEN POOR 20 GEN POOR
MAX ADI LATE 9 POOR 33 FAIR 20 GEN POOR 24 FAIR
MAX LVORI EARLY 5 3 5 8
MAX LVORI LATE 5 3 5 8
MIN VSBY EARLY 10 9 4 FOG 3 FOG
MIN VSBY LATE 10 9 5 FOG 3 FOG
SUNSHINE HOURS N/A N/A N/A N/A
CWR 0 0 50 100
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 AROUND 40. 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
BREEZY. PARTLY CLOUDY. COLDER. LOWS IN THE LOWER
20S. WEST WINDS 20 TO 25 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 AND RAIN. HIGHS IN
THE UPPER 30S. SOUTHWEST WINDS 10 TO 15 MPH.
TUESDAY NIGHT
MOSTLY CLOUDY WITH A CHANCE OF SNOW. LOWS IN THE
MID 20S. SOUTHWEST WINDS 10 TO 15 MPH.
WEDNESDAY
MOSTLY SUNNY. HIGHS IN THE UPPER 30S. NORTHWEST
WINDS 15 TO 20 MPH.
MAZ006-180900-
WESTERN ESSEX MA-
INCLUDING THE CITIES OF AMESBURY, ANDOVER, HAVERHILL, LAWRENCE,
METHUEN, AND TOPSFIELD
409 PM EST WED DEC 17 2025
TONIGHT THU THU NIGHT FRI
CLOUD COVER MCLEAR MCLEAR MCLDY MCLDY
PRECIP TYPE NONE NONE RAIN RAIN
CHANCE PRECIP (%) 80 90
CHANCE OF THUNDER (%) 0 0 0 0
TEMP (24H TREND) 24 (-1) 46 (+3) 35 57
RH % (24H TREND) 95 (+14) 55 (+7) 100 72
20FT WND AM(MPH) LGT/VAR S 13 G34
20FT WND PM(MPH) W 6 LGT/VAR LGT/VAR SW 10 G32
PRECIP AMOUNT 0.00 0.00 0.07 0.83
PRECIP DURATION 4 9
PRECIP BEGIN 7 PM CONTINUING
PRECIP END CONTINUING CONTINUING
MIXING HGT (FT-AGL) 340 1710 410 2240
TRANSPORT WND (KTS) SW 6 S 15 S 10 W 15
VENT RATE (KT-FT) 2040 25650 4100 33600
MAX ADI EARLY 11 POOR 21 FAIR 8 POOR 16 GEN POOR
MAX ADI LATE 7 POOR 29 FAIR 16 GEN POOR 21 FAIR
MAX LVORI EARLY 6 3 8 9
MAX LVORI LATE 6 3 8 9
MIN VSBY EARLY 10 9 2 FOG 3 FOG
MIN VSBY LATE 10 9 5 FOG 3 FOG
SUNSHINE HOURS N/A N/A N/A N/A
CWR 0 0 50 90
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 UPPER 20S. SOUTHWEST WINDS
5 TO 10 MPH.
SUNDAY
PARTLY SUNNY. HIGHS IN THE MID 40S. WEST WINDS 5 TO
10 MPH.
SUNDAY NIGHT
PARTLY CLOUDY. LOWS AROUND 20. WEST 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. 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.
MAZ005-180900-
CENTRAL MIDDLESEX MA-
INCLUDING THE CITIES OF BURLINGTON, CHELMSFORD, FRAMINGHAM,
HOPKINTON, LOWELL, AND NATICK
409 PM EST WED DEC 17 2025
TONIGHT THU THU NIGHT FRI
CLOUD COVER MCLEAR MCLEAR MCLDY MCLDY
PRECIP TYPE NONE NONE RAIN RAIN
CHANCE PRECIP (%) 80 90
CHANCE OF THUNDER (%) 0 0 0 0
TEMP (24H TREND) 24 (0) 47 (+4) 35 58
RH % (24H TREND) 95 (+17) 54 (+8) 100 70
20FT WND AM(MPH) LGT/VAR S 12 G34
20FT WND PM(MPH) W 5 LGT/VAR LGT/VAR SW 10 G31
PRECIP AMOUNT 0.00 0.00 0.10 0.95
PRECIP DURATION 5 10
PRECIP BEGIN 7 PM CONTINUING
PRECIP END CONTINUING CONTINUING
MIXING HGT (FT-AGL) 350 1990 410 2670
TRANSPORT WND (KTS) SW 6 S 16 S 10 W 17
VENT RATE (KT-FT) 2100 31840 4100 45390
MAX ADI EARLY 8 POOR 25 FAIR 8 POOR 17 GEN POOR
MAX ADI LATE 5 VERY POOR 36 FAIR 16 GEN POOR 26 FAIR
MAX LVORI EARLY 6 4 8 9
MAX LVORI LATE 6 4 8 9
MIN VSBY EARLY 10 9 2 FOG 3 FOG
MIN VSBY LATE 9 8 4 FOG 3 FOG
SUNSHINE HOURS N/A N/A N/A N/A
CWR 0 0 60 90
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 AROUND 30. SOUTHWEST WINDS
5 TO 10 MPH.
SUNDAY
PARTLY SUNNY. HIGHS IN THE MID 40S. WEST WINDS 5 TO
10 MPH.
SUNDAY NIGHT
PARTLY CLOUDY. 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 18. NORTHWEST WINDS
AROUND 5 MPH.
TUESDAY
PARTLY SUNNY WITH A CHANCE OF SNOW AND RAIN. HIGHS IN
THE MID 30S. SOUTHWEST WINDS 5 TO 10 MPH.
TUESDAY NIGHT
MOSTLY CLOUDY WITH A CHANCE OF SNOW. LOWS IN THE
MID 20S. SOUTHWEST WINDS AROUND 5 MPH.
WEDNESDAY
MOSTLY SUNNY. HIGHS IN THE UPPER 30S. NORTHWEST
WINDS 5 TO 10 MPH.
MAZ012-180900-
SOUTHERN WORCESTER MA-
INCLUDING THE CITIES OF MILFORD, OXFORD, STURBRIDGE, UXBRIDGE,
WESTBOROUGH, AND WORCESTER
409 PM EST WED DEC 17 2025
TONIGHT THU THU NIGHT FRI
CLOUD COVER MCLEAR MCLEAR MCLDY MCLDY
PRECIP TYPE NONE NONE RAIN RAIN
CHANCE PRECIP (%) 90 100
CHANCE OF THUNDER (%) 0 0 0 0
TEMP (24H TREND) 24 (+1) 48 (+6) 37 57
RH % (24H TREND) 98 (+14) 57 (+6) 100 73
20FT WND AM(MPH) LGT/VAR S 15 G34
20FT WND PM(MPH) W 6 G17 S 5 S 6 G20 SW 11 G29
PRECIP AMOUNT 0.00 0.00 0.17 1.10
PRECIP DURATION 5 9
PRECIP BEGIN 7 PM CONTINUING
PRECIP END CONTINUING 6 PM
MIXING HGT (FT-AGL) 280 2030 360 2230
TRANSPORT WND (KTS) W 6 S 17 S 11 W 16
VENT RATE (KT-FT) 1680 34510 3960 35680
MAX ADI EARLY 14 GEN POOR 28 FAIR 12 POOR 20 GEN POOR
MAX ADI LATE 6 VERY POOR 37 FAIR 19 GEN POOR 25 FAIR
MAX LVORI EARLY 7 4 6 9
MAX LVORI LATE 7 4 6 9
MIN VSBY EARLY 10 9 1 FOG 2 FOG
MIN VSBY LATE 9 8 3 FOG 2 FOG
SUNSHINE HOURS N/A N/A N/A N/A
CWR 0 0 70 90
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 UPPER 20S. SOUTHWEST
WINDS 10 TO 15 MPH.
SUNDAY
PARTLY SUNNY. HIGHS IN THE MID 40S. WEST WINDS 10 TO
15 MPH.
SUNDAY NIGHT
PARTLY CLOUDY. LOWS AROUND 20. 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 18. WEST WINDS 5 TO
10 MPH.
TUESDAY AND TUESDAY NIGHT
MOSTLY CLOUDY. A CHANCE OF SNOW AND
RAIN. 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.
MAZ004-180900-
NORTHERN WORCESTER MA-
INCLUDING THE CITIES OF ATHOL, BOYLSTON, BROOKFIELD, FITCHBURG,
GARDNER, AND HARVARD
409 PM EST WED DEC 17 2025
TONIGHT THU THU NIGHT FRI
CLOUD COVER MCLEAR MCLEAR MCLDY MCLDY
PRECIP TYPE NONE NONE RAIN RAIN
CHANCE PRECIP (%) 90 100
CHANCE OF THUNDER (%) 0 0 0 0
TEMP (24H TREND) 20 (-1) 47 (+7) 33 56
RH % (24H TREND) 100 (+16) 48 (+2) 100 67
20FT WND AM(MPH) LGT/VAR S 15 G35
20FT WND PM(MPH) W 8 G20 S 6 S 6 G21 SW 12 G30
PRECIP AMOUNT 0.00 0.00 0.17 0.99
PRECIP DURATION 6 9
PRECIP BEGIN 7 PM CONTINUING
PRECIP END CONTINUING 6 PM
MIXING HGT (FT-AGL) 240 1940 320 2200
TRANSPORT WND (KTS) SW 6 S 17 S 12 S 24
VENT RATE (KT-FT) 1440 32980 3840 52800
MAX ADI EARLY 15 GEN POOR 25 FAIR 13 GEN POOR 20 GEN POOR
MAX ADI LATE 6 VERY POOR 35 FAIR 19 GEN POOR 17 GEN POOR
MAX LVORI EARLY 8 3 6 9
MAX LVORI LATE 8 3 6 9
MIN VSBY EARLY 10 9 1 FOG 2 FOG
MIN VSBY LATE 9 7 3 FOG 3 FOG
SUNSHINE HOURS N/A N/A N/A N/A
CWR 0 0 80 90
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 10 TO
15 MPH.
SATURDAY NIGHT
MOSTLY CLOUDY. LOWS IN THE UPPER 20S. SOUTHWEST
WINDS 10 TO 15 MPH.
SUNDAY
PARTLY SUNNY. HIGHS IN THE LOWER 40S. WEST WINDS 10 TO
15 MPH.
SUNDAY NIGHT
PARTLY CLOUDY. LOWS AROUND 18. 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. A CHANCE OF SNOW.
LOWS IN THE MID 20S. HIGHS IN THE MID 30S. WEST WINDS 10 TO
15 MPH.
WEDNESDAY
MOSTLY SUNNY. HIGHS IN THE MID 30S. NORTHWEST WINDS
10 TO 15 MPH.
MAZ026-180900-
NORTHERN MIDDLESEX MA-
INCLUDING THE CITIES OF ASHBY, AYER, GROTON, PEPPERELL, SHIRLEY,
AND TOWNSEND
409 PM EST WED DEC 17 2025
TONIGHT THU THU NIGHT FRI
CLOUD COVER MCLEAR MCLEAR MCLDY MCLDY
PRECIP TYPE NONE NONE RAIN RAIN
CHANCE PRECIP (%) 90 100
CHANCE OF THUNDER (%) 0 0 0 0
TEMP (24H TREND) 22 (-1) 46 (+4) 33 58
RH % (24H TREND) 95 (+15) 59 (+9) 100 78
20FT WND AM(MPH) LGT/VAR S 12 G34
20FT WND PM(MPH) W 5 G20 LGT/VAR LGT/VAR SW 10 G30
PRECIP AMOUNT 0.00 0.00 0.12 0.97
PRECIP DURATION 5 10
PRECIP BEGIN 7 PM CONTINUING
PRECIP END CONTINUING 6 PM
MIXING HGT (FT-AGL) 330 2040 380 2230
TRANSPORT WND (KTS) SW 7 S 17 S 9 S 24
VENT RATE (KT-FT) 2310 34680 3420 53520
MAX ADI EARLY 9 POOR 28 FAIR 7 POOR 15 GEN POOR
MAX ADI LATE 6 VERY POOR 38 FAIR 14 GEN POOR 14 GEN POOR
MAX LVORI EARLY 7 3 9 9
MAX LVORI LATE 7 3 9 9
MIN VSBY EARLY 10 9 1 FOG 3 FOG
MIN VSBY LATE 10 8 3 FOG 3 FOG
SUNSHINE HOURS N/A N/A N/A N/A
CWR 0 0 70 90
REMARKS...NONE.
FORECAST FOR DAYS 3 THROUGH 7
FRIDAY NIGHT
PARTLY CLOUDY. LOWS IN THE LOWER 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 WITH A CHANCE OF RAIN. LOWS IN
THE UPPER 20S. SOUTHWEST WINDS 5 TO 10 MPH.
SUNDAY AND SUNDAY NIGHT
PARTLY CLOUDY. LOWS AROUND 19. 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. 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.
MAZ002-180900-
WESTERN FRANKLIN MA-
INCLUDING THE CITIES OF ASHFIELD, CHARLEMONT, COLRAIN,
AND SHELBURNE
409 PM EST WED DEC 17 2025
TONIGHT THU THU NIGHT FRI
CLOUD COVER MCLEAR MCLEAR MCLDY MCLDY
PRECIP TYPE NONE NONE RAIN SNOW/RAIN
CHANCE PRECIP (%) 100 100
CHANCE OF THUNDER (%) 0 0 0 0
TEMP (24H TREND) 18 (0) 44 (+5) 33 53
RH % (24H TREND) 99 (+7) 55 (-1) 100 71
20FT WND AM(MPH) LGT/VAR S 12 G33
20FT WND PM(MPH) W 8 G23 LGT/VAR S 5 G22 W 9 G25
PRECIP AMOUNT 0.00 0.00 0.28 1.00
PRECIP DURATION 7 8
PRECIP BEGIN 7 PM CONTINUING
PRECIP END CONTINUING CONTINUING
MIXING HGT (FT-AGL) 110 1710 180 2020
TRANSPORT WND (KTS) SW 6 S 17 S 11 SW 19
VENT RATE (KT-FT) 660 29070 1980 38380
MAX ADI EARLY 23 FAIR 19 GEN POOR 11 POOR 17 GEN POOR
MAX ADI LATE 5 VERY POOR 30 FAIR 15 GEN POOR 15 GEN POOR
MAX LVORI EARLY 7 3 7 7
MAX LVORI LATE 7 3 7 7
MIN VSBY EARLY 9 9 2 FOG 2 SNOW
MIN VSBY LATE 9 8 3 FOG 3 SNOW
SUNSHINE HOURS N/A N/A N/A N/A
CWR 0 0 90 90
REMARKS...NONE.
FORECAST FOR DAYS 3 THROUGH 7
FRIDAY NIGHT
BREEZY. MOSTLY CLOUDY WITH A CHANCE OF SNOW. LOWS
AROUND 20. WEST WINDS 20 TO 25 MPH.
SATURDAY
MOSTLY SUNNY. HIGHS IN THE LOWER 30S. WEST WINDS
15 TO 20 MPH, BECOMING SOUTHWEST AROUND 5 MPH IN THE AFTERNOON.
SATURDAY NIGHT
MOSTLY CLOUDY WITH A CHANCE OF SNOW. LOWS IN
THE MID 20S. SOUTH WINDS 10 TO 15 MPH.
SUNDAY
PARTLY SUNNY WITH A CHANCE OF SNOW. 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 LOWER 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.
MAZ003-180900-
EASTERN FRANKLIN MA-
INCLUDING THE CITIES OF GREENFIELD, LEVERETT, NORTHFIELD, ORANGE,
AND WHATELY
409 PM EST WED DEC 17 2025
TONIGHT THU THU NIGHT FRI
CLOUD COVER MCLEAR MCLEAR MCLDY MCLDY
PRECIP TYPE NONE NONE RAIN RAIN
CHANCE PRECIP (%) 100 100
CHANCE OF THUNDER (%) 0 0 0 0
TEMP (24H TREND) 19 (-2) 46 (+5) 34 56
RH % (24H TREND) 100 (+16) 56 (+10) 100 70
20FT WND AM(MPH) LGT/VAR S 13 G34
20FT WND PM(MPH) W 6 G19 S 5 S 6 G22 SW 10 G28
PRECIP AMOUNT 0.00 0.00 0.23 0.95
PRECIP DURATION 7 9
PRECIP BEGIN 7 PM CONTINUING
PRECIP END CONTINUING CONTINUING
MIXING HGT (FT-AGL) 180 1940 220 2060
TRANSPORT WND (KTS) SW 4 S 17 S 10 S 20
VENT RATE (KT-FT) 720 32980 2200 41200
MAX ADI EARLY 13 GEN POOR 23 FAIR 10 POOR 17 GEN POOR
MAX ADI LATE 4 VERY POOR 32 FAIR 15 GEN POOR 11 POOR
MAX LVORI EARLY 9 3 7 8
MAX LVORI LATE 9 3 7 8
MIN VSBY EARLY 10 9 2 FOG 2 FOG
MIN VSBY LATE 9 8 3 FOG 2 FOG
SUNSHINE HOURS N/A N/A N/A N/A
CWR 0 0 80 90
REMARKS...NONE.
FORECAST FOR DAYS 3 THROUGH 7
FRIDAY NIGHT
BREEZY. PARTLY CLOUDY WITH A CHANCE OF SNOW. LOWS
IN THE LOWER 20S. WEST WINDS 15 TO 25 MPH.
SATURDAY
MOSTLY SUNNY. HIGHS IN THE MID 30S. WEST WINDS 10 TO
15 MPH.
SATURDAY NIGHT
MOSTLY CLOUDY WITH A CHANCE OF SNOW AND RAIN.
LOWS IN THE UPPER 20S. SOUTH WINDS 10 TO 15 MPH.
SUNDAY
PARTLY SUNNY WITH A CHANCE OF RAIN. HIGHS IN THE LOWER
40S. WEST WINDS 10 TO 15 MPH.
SUNDAY NIGHT
PARTLY CLOUDY. COLDER. LOWS AROUND 18. 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.
MAZ008-180900-
WESTERN HAMPSHIRE MA-
INCLUDING THE CITIES OF CHESTERFIELD, PLAINFIELD, WESTHAMPTON,
WILLIAMSBURG, AND WORTHINGTON
409 PM EST WED DEC 17 2025
TONIGHT THU THU NIGHT FRI
CLOUD COVER MCLEAR MCLEAR MCLDY MCLDY
PRECIP TYPE NONE NONE RAIN RAIN
CHANCE PRECIP (%) 100 100
CHANCE OF THUNDER (%) 0 0 0 0
TEMP (24H TREND) 19 (+1) 45 (+5) 34 54
RH % (24H TREND) 99 (+15) 59 (+11) 100 70
20FT WND AM(MPH) LGT/VAR S 14 G34
20FT WND PM(MPH) W 9 G23 S 5 S 6 G23 W 11 G26
PRECIP AMOUNT 0.00 0.00 0.31 1.00
PRECIP DURATION 7 8
PRECIP BEGIN 7 PM CONTINUING
PRECIP END CONTINUING CONTINUING
MIXING HGT (FT-AGL) 160 1760 220 1950
TRANSPORT WND (KTS) W 7 S 17 S 11 S 20
VENT RATE (KT-FT) 1120 29920 2420 39000
MAX ADI EARLY 21 FAIR 21 FAIR 12 POOR 19 GEN POOR
MAX ADI LATE 5 VERY POOR 32 FAIR 17 GEN POOR 17 GEN POOR
MAX LVORI EARLY 7 4 6 7
MAX LVORI LATE 7 4 6 7
MIN VSBY EARLY 9 9 1 FOG 2 FOG
MIN VSBY LATE 9 7 3 FOG 3 FOG
SUNSHINE HOURS N/A N/A N/A N/A
CWR 0 0 90 90
REMARKS...NONE.
FORECAST FOR DAYS 3 THROUGH 7
FRIDAY NIGHT
MOSTLY CLOUDY WITH A CHANCE OF SNOW. LOWS AROUND
20. WEST WINDS 15 TO 20 MPH.
SATURDAY
MOSTLY SUNNY. HIGHS IN THE LOWER 30S. WEST WINDS
10 TO 15 MPH, BECOMING SOUTHWEST AROUND 5 MPH IN THE AFTERNOON.
SATURDAY NIGHT
MOSTLY CLOUDY WITH A CHANCE OF SNOW. LOWS IN
THE UPPER 20S. SOUTHWEST WINDS 5 TO 10 MPH.
SUNDAY
PARTLY SUNNY WITH A CHANCE OF SNOW. HIGHS IN THE UPPER
30S. WEST WINDS 10 TO 15 MPH.
SUNDAY NIGHT
PARTLY CLOUDY. COLDER. LOWS AROUND 16. WEST 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 LOWER 20S. HIGHS IN THE LOWER 30S. WEST WINDS 5 TO
10 MPH.
WEDNESDAY
MOSTLY SUNNY. HIGHS IN THE LOWER 30S. NORTHWEST
WINDS 5 TO 10 MPH.
MAZ010-180900-
EASTERN HAMPSHIRE MA-
INCLUDING THE CITIES OF AMHERST, BELCHERTOWN, NORTHAMPTON,
SOUTHAMPTON, AND WARE
409 PM EST WED DEC 17 2025
TONIGHT THU THU NIGHT FRI
CLOUD COVER MCLEAR MCLEAR MCLDY MCLDY
PRECIP TYPE NONE NONE RAIN RAIN
CHANCE PRECIP (%) 100 100
CHANCE OF THUNDER (%) 0 0 0 0
TEMP (24H TREND) 21 (0) 47 (+5) 35 56
RH % (24H TREND) 100 (+12) 60 (+10) 100 67
20FT WND AM(MPH) LGT/VAR S 16 G34
20FT WND PM(MPH) W 6 G18 S 6 S 6 G21 SW 11 G29
PRECIP AMOUNT 0.00 0.00 0.24 0.94
PRECIP DURATION 7 8
PRECIP BEGIN 7 PM CONTINUING
PRECIP END CONTINUING 6 PM
MIXING HGT (FT-AGL) 280 1990 310 2130
TRANSPORT WND (KTS) SW 5 S 15 S 9 S 21
VENT RATE (KT-FT) 1400 29850 2790 44730
MAX ADI EARLY 11 POOR 19 GEN POOR 10 POOR 16 GEN POOR
MAX ADI LATE 4 VERY POOR 31 FAIR 15 GEN POOR 12 POOR
MAX LVORI EARLY 9 3 7 7
MAX LVORI LATE 9 3 7 7
MIN VSBY EARLY 10 9 1 FOG 2 FOG
MIN VSBY LATE 9 8 3 FOG 3 FOG
SUNSHINE HOURS N/A N/A N/A N/A
CWR 0 0 90 90
REMARKS...NONE.
FORECAST FOR DAYS 3 THROUGH 7
FRIDAY NIGHT
PARTLY CLOUDY. LOWS IN THE LOWER 20S. WEST WINDS
15 TO 20 MPH.
SATURDAY
MOSTLY SUNNY. HIGHS IN THE UPPER 30S. WEST WINDS
10 TO 15 MPH.
SATURDAY NIGHT
CLOUDY WITH A CHANCE OF RAIN. 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 19. 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 18. WEST WINDS 5 TO
10 MPH.
TUESDAY
MOSTLY CLOUDY WITH A CHANCE OF SNOW AND RAIN. HIGHS IN
THE MID 30S. SOUTHWEST WINDS 5 TO 10 MPH.
TUESDAY NIGHT
MOSTLY CLOUDY WITH A CHANCE OF SNOW. LOWS IN THE
MID 20S. SOUTHWEST WINDS 5 TO 10 MPH.
WEDNESDAY
MOSTLY SUNNY. HIGHS IN THE MID 30S. NORTHWEST WINDS
5 TO 10 MPH.
MAZ009-180900-
WESTERN HAMPDEN MA-
INCLUDING THE CITIES OF BLANDFORD, CHESTER, GRANVILLE,
MONTGOMERY, RUSSELL, AND TOLLAND
409 PM EST WED DEC 17 2025
TONIGHT THU THU NIGHT FRI
CLOUD COVER MCLEAR MCLEAR MCLDY MCLDY
PRECIP TYPE NONE NONE RAIN RAIN
CHANCE PRECIP (%) 100 100
CHANCE OF THUNDER (%) 0 0 0 0
TEMP (24H TREND) 21 (+1) 46 (+5) 35 55
RH % (24H TREND) 98 (+16) 59 (+7) 100 69
20FT WND AM(MPH) LGT/VAR S 13 G34
20FT WND PM(MPH) NW 8 G21 S 6 S 6 G22 W 11 G26
PRECIP AMOUNT 0.00 0.00 0.31 0.97
PRECIP DURATION 7 8
PRECIP BEGIN 7 PM CONTINUING
PRECIP END CONTINUING CONTINUING
MIXING HGT (FT-AGL) 90 1830 150 1750
TRANSPORT WND (KTS) W 7 S 18 S 11 S 21
VENT RATE (KT-FT) 630 32940 1650 36750
MAX ADI EARLY 16 GEN POOR 25 FAIR 12 POOR 19 GEN POOR
MAX ADI LATE 8 POOR 35 FAIR 19 GEN POOR 16 GEN POOR
MAX LVORI EARLY 9 4 6 6
MAX LVORI LATE 9 4 6 6
MIN VSBY EARLY 10 9 1 FOG 2 FOG
MIN VSBY LATE 9 5 FOG 3 FOG 3 FOG
SUNSHINE HOURS N/A N/A N/A N/A
CWR 0 0 90 90
REMARKS...NONE.
FORECAST FOR DAYS 3 THROUGH 7
FRIDAY NIGHT
PARTLY CLOUDY. LOWS IN THE LOWER 20S. WEST WINDS
15 TO 20 MPH.
SATURDAY
MOSTLY SUNNY. HIGHS IN THE MID 30S. NORTHWEST WINDS
10 TO 15 MPH, BECOMING SOUTHWEST AROUND 5 MPH IN THE AFTERNOON.
SATURDAY NIGHT
CLOUDY WITH A CHANCE OF SNOW. 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 17. WEST WINDS 5 TO
10 MPH.
TUESDAY
MOSTLY CLOUDY WITH A CHANCE OF SNOW AND RAIN. HIGHS IN
THE MID 30S. SOUTHWEST WINDS 5 TO 10 MPH.
TUESDAY NIGHT
MOSTLY CLOUDY WITH A CHANCE OF SNOW. LOWS IN THE
MID 20S. WEST WINDS 5 TO 10 MPH.
WEDNESDAY
MOSTLY SUNNY. HIGHS IN THE LOWER 30S. NORTHWEST
WINDS 5 TO 10 MPH.
MAZ011-180900-
EASTERN HAMPDEN MA-
INCLUDING THE CITIES OF CHICOPEE, HOLLAND, PALMER, SOUTHWICK,
SPRINGFIELD, AND WESTFIELD
409 PM EST WED DEC 17 2025
TONIGHT THU THU NIGHT FRI
CLOUD COVER MCLEAR MCLEAR MCLDY MCLDY
PRECIP TYPE NONE NONE RAIN RAIN
CHANCE PRECIP (%) 100 100
CHANCE OF THUNDER (%) 0 0 0 0
TEMP (24H TREND) 21 (-1) 47 (+5) 36 56
RH % (24H TREND) 100 (+19) 58 (+8) 100 63
20FT WND AM(MPH) LGT/VAR S 17 G36
20FT WND PM(MPH) W 6 G18 S 6 S 7 G23 SW 12 G30
PRECIP AMOUNT 0.00 0.00 0.24 0.94
PRECIP DURATION 7 8
PRECIP BEGIN 7 PM CONTINUING
PRECIP END CONTINUING 6 PM
MIXING HGT (FT-AGL) 260 1920 320 2040
TRANSPORT WND (KTS) SW 5 S 14 S 10 S 22
VENT RATE (KT-FT) 1300 26880 3200 44880
MAX ADI EARLY 10 POOR 19 GEN POOR 11 POOR 19 GEN POOR
MAX ADI LATE 4 VERY POOR 29 FAIR 17 GEN POOR 14 GEN POOR
MAX LVORI EARLY 8 3 8 7
MAX LVORI LATE 8 3 8 7
MIN VSBY EARLY 10 9 1 FOG 3 FOG
MIN VSBY LATE 9 8 3 FOG 3 FOG
SUNSHINE HOURS N/A N/A N/A N/A
CWR 0 0 90 90
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
CLOUDY. LOWS IN THE UPPER 20S. SOUTH 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 AROUND 19. 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 18. WEST WINDS 5 TO
10 MPH.
TUESDAY AND TUESDAY NIGHT
MOSTLY CLOUDY WITH A CHANCE OF SNOW
AND RAIN. 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.
CTZ002-180900-
HARTFORD CT-
INCLUDING THE CITIES OF HARTFORD, GLASTONBURY, GRANBY,
SOUTHINGTON, AND WINDSOR LOCKS
409 PM EST WED DEC 17 2025
TONIGHT THU THU NIGHT FRI
CLOUD COVER MCLEAR MCLEAR MCLDY MCLDY
PRECIP TYPE NONE NONE RAIN RAIN
CHANCE PRECIP (%) 100 100
CHANCE OF THUNDER (%) 0 0 0 0
TEMP (24H TREND) 23 (0) 50 (+7) 37 56
RH % (24H TREND) 100 (+15) 58 (+8) 100 64
20FT WND AM(MPH) LGT/VAR S 16 G34
20FT WND PM(MPH) W 5 S 5 S 6 G20 SW 12 G29
PRECIP AMOUNT 0.00 0.00 0.27 0.93
PRECIP DURATION 7 8
PRECIP BEGIN 7 PM CONTINUING
PRECIP END CONTINUING 6 PM
MIXING HGT (FT-AGL) 290 1760 330 2010
TRANSPORT WND (KTS) SW 5 S 13 S 10 W 13
VENT RATE (KT-FT) 1450 22880 3300 26130
MAX ADI EARLY 6 VERY POOR 15 GEN POOR 10 POOR 19 GEN POOR
MAX ADI LATE 4 VERY POOR 25 FAIR 18 GEN POOR 16 GEN POOR
MAX LVORI EARLY 8 4 8 7
MAX LVORI LATE 8 4 8 7
MIN VSBY EARLY 10 9 1 FOG 2 FOG
MIN VSBY LATE 9 7 3 FOG 3 FOG
SUNSHINE HOURS N/A N/A N/A N/A
CWR 0 0 90 90
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
CLOUDY. LOWS AROUND 30. SOUTHWEST WINDS 5 TO
10 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 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 5 TO 10 MPH.
WEDNESDAY
MOSTLY SUNNY. HIGHS IN THE UPPER 30S. NORTHWEST
WINDS 5 TO 10 MPH.
CTZ003-180900-
TOLLAND CT-
INCLUDING THE CITIES OF MANSFIELD, STAFFORD SPRINGS, AND VERNON
409 PM EST WED DEC 17 2025
TONIGHT THU THU NIGHT FRI
CLOUD COVER MCLEAR MCLEAR MCLDY MCLDY
PRECIP TYPE NONE NONE RAIN RAIN
CHANCE PRECIP (%) 90 100
CHANCE OF THUNDER (%) 0 0 0 0
TEMP (24H TREND) 22 (+1) 50 (+8) 38 56
RH % (24H TREND) 99 (+7) 63 (+10) 100 71
20FT WND AM(MPH) LGT/VAR S 19 G36
20FT WND PM(MPH) W 6 G17 S 7 S 8 G23 SW 13 G30
PRECIP AMOUNT 0.00 0.00 0.24 0.96
PRECIP DURATION 6 8
PRECIP BEGIN 7 PM CONTINUING
PRECIP END CONTINUING 6 PM
MIXING HGT (FT-AGL) 190 2090 260 1900
TRANSPORT WND (KTS) SW 5 S 17 S 11 S 26
VENT RATE (KT-FT) 950 35530 2860 49400
MAX ADI EARLY 11 POOR 23 FAIR 12 POOR 21 FAIR
MAX ADI LATE 5 VERY POOR 37 FAIR 19 GEN POOR 13 GEN POOR
MAX LVORI EARLY 7 4 6 8
MAX LVORI LATE 7 4 6 8
MIN VSBY EARLY 10 9 1 FOG 2 FOG
MIN VSBY LATE 9 7 3 FOG 3 FOG
SUNSHINE HOURS N/A N/A N/A N/A
CWR 0 0 80 90
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
CLOUDY. LOWS IN THE UPPER 20S. SOUTHWEST WINDS
5 TO 10 MPH.
SUNDAY
PARTLY SUNNY. HIGHS IN THE MID 40S. WEST WINDS 5 TO
10 MPH.
SUNDAY NIGHT
PARTLY CLOUDY. LOWS AROUND 20. WEST WINDS AROUND
10 MPH.
MONDAY
SUNNY, COLDER. HIGHS AROUND 30. NORTHWEST WINDS 5 TO
10 MPH.
MONDAY NIGHT
PARTLY CLOUDY. LOWS AROUND 19. 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 IN THE UPPER 30S. NORTHWEST
WINDS 5 TO 10 MPH.
CTZ004-180900-
WINDHAM CT-
INCLUDING THE CITIES OF ASHFORD, PLAINFIELD, PUTNAM,
AND WILLIMANTIC
409 PM EST WED DEC 17 2025
TONIGHT THU THU NIGHT FRI
CLOUD COVER MCLEAR MCLEAR MCLDY MCLDY
PRECIP TYPE NONE NONE RAIN RAIN
CHANCE PRECIP (%) 90 100
CHANCE OF THUNDER (%) 0 0 0 0
TEMP (24H TREND) 23 (+1) 50 (+7) 39 57
RH % (24H TREND) 100 (+4) 57 (+4) 100 67
20FT WND AM(MPH) LGT/VAR S 17 G36
20FT WND PM(MPH) W 6 S 6 S 7 G20 SW 13 G31
PRECIP AMOUNT 0.00 0.00 0.20 1.05
PRECIP DURATION 6 9
PRECIP BEGIN 7 PM CONTINUING
PRECIP END CONTINUING 6 PM
MIXING HGT (FT-AGL) 280 2140 340 1930
TRANSPORT WND (KTS) W 5 S 17 S 10 S 26
VENT RATE (KT-FT) 1400 36380 3400 50180
MAX ADI EARLY 12 POOR 26 FAIR 12 POOR 20 GEN POOR
MAX ADI LATE 5 VERY POOR 38 FAIR 19 GEN POOR 16 GEN POOR
MAX LVORI EARLY 10 4 5 9
MAX LVORI LATE 10 4 5 9
MIN VSBY EARLY 9 9 1 FOG 2 FOG
MIN VSBY LATE 9 7 3 FOG 2 FOG
SUNSHINE HOURS N/A N/A N/A N/A
CWR 0 0 80 90
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. 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 AROUND 20. WEST WINDS
10 TO 15 MPH.
MONDAY
SUNNY, COLDER. HIGHS IN THE LOWER 30S. 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. A CHANCE OF SNOW AND
RAIN. LOWS IN THE UPPER 20S. HIGHS IN THE UPPER 30S. WEST WINDS
5 TO 10 MPH.
WEDNESDAY
MOSTLY SUNNY. HIGHS IN THE UPPER 30S. NORTHWEST
WINDS 5 TO 10 MPH.
RIZ001-180900-
NORTHWEST PROVIDENCE RI-
INCLUDING THE CITIES OF CUMBERLAND, FOSTER, GLOCESTER,
AND SMITHFIELD
409 PM EST WED DEC 17 2025
TONIGHT THU THU NIGHT FRI
CLOUD COVER MCLEAR MCLEAR MCLDY MCLDY
PRECIP TYPE NONE NONE RAIN RAIN
CHANCE PRECIP (%) 80 100
CHANCE OF THUNDER (%) 0 0 0 0
TEMP (24H TREND) 24 (0) 50 (+7) 39 57
RH % (24H TREND) 98 (+10) 60 (+5) 100 73
20FT WND AM(MPH) LGT/VAR S 17 G36
20FT WND PM(MPH) W 6 S 6 S 6 G18 SW 12 G31
PRECIP AMOUNT 0.00 0.00 0.14 1.11
PRECIP DURATION 5 9
PRECIP BEGIN 7 PM CONTINUING
PRECIP END CONTINUING CONTINUING
MIXING HGT (FT-AGL) 270 1990 340 2190
TRANSPORT WND (KTS) W 6 S 17 S 12 W 16
VENT RATE (KT-FT) 1620 33830 4080 35040
MAX ADI EARLY 11 POOR 26 FAIR 12 POOR 20 GEN POOR
MAX ADI LATE 6 VERY POOR 37 FAIR 20 GEN POOR 22 FAIR
MAX LVORI EARLY 7 4 5 9
MAX LVORI LATE 7 4 5 9
MIN VSBY EARLY 9 9 2 FOG 2 FOG
MIN VSBY LATE 9 8 3 FOG 2 FOG
SUNSHINE HOURS N/A N/A N/A N/A
CWR 0 0 70 90
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 5 TO
10 MPH.
SATURDAY NIGHT
MOSTLY CLOUDY. LOWS AROUND 30. SOUTHWEST WINDS
5 TO 10 MPH.
SUNDAY
PARTLY SUNNY. HIGHS IN THE MID 40S. WEST WINDS 5 TO
10 MPH.
SUNDAY NIGHT AND MONDAY
MOSTLY CLEAR. COLDER. LOWS IN THE
LOWER 20S. HIGHS AROUND 30. NORTHWEST WINDS 5 TO 10 MPH.
MONDAY NIGHT
PARTLY CLOUDY. LOWS AROUND 19. NORTHWEST WINDS
AROUND 5 MPH.
TUESDAY AND TUESDAY NIGHT
MOSTLY CLOUDY. A CHANCE OF SNOW AND
RAIN. LOWS IN THE UPPER 20S. HIGHS IN THE UPPER 30S. WEST WINDS
5 TO 10 MPH.
WEDNESDAY
MOSTLY SUNNY. HIGHS IN THE UPPER 30S. NORTHWEST
WINDS 5 TO 10 MPH.
RIZ002-180900-
SOUTHEAST PROVIDENCE RI-
INCLUDING THE CITIES OF CRANSTON, JOHNSTON, PAWTUCKET,
AND PROVIDENCE
409 PM EST WED DEC 17 2025
TONIGHT THU THU NIGHT FRI
CLOUD COVER MCLEAR MCLEAR MCLDY MCLDY
PRECIP TYPE NONE NONE RAIN RAIN
CHANCE PRECIP (%) 80 90
CHANCE OF THUNDER (%) 0 0 0 0
TEMP (24H TREND) 26 (+1) 50 (+5) 41 58
RH % (24H TREND) 98 (+13) 65 (+12) 100 73
20FT WND AM(MPH) LGT/VAR S 18 G39
20FT WND PM(MPH) W 5 S 6 S 6 SW 13 G33
PRECIP AMOUNT 0.00 0.00 0.11 1.05
PRECIP DURATION 5 10
PRECIP BEGIN 7 PM CONTINUING
PRECIP END CONTINUING CONTINUING
MIXING HGT (FT-AGL) 340 2070 430 2240
TRANSPORT WND (KTS) W 6 S 17 S 13 W 17
VENT RATE (KT-FT) 2040 35190 5590 38080
MAX ADI EARLY 9 POOR 18 GEN POOR 13 GEN POOR 20 GEN POOR
MAX ADI LATE 5 VERY POOR 37 FAIR 19 GEN POOR 26 FAIR
MAX LVORI EARLY 6 4 5 9
MAX LVORI LATE 6 4 5 9
MIN VSBY EARLY 9 9 2 FOG 2 FOG
MIN VSBY LATE 10 7 4 FOG 3 FOG
SUNSHINE HOURS N/A N/A N/A N/A
CWR 0 0 60 100
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 LOWER 40S. WEST WINDS
10 TO 15 MPH.
SATURDAY NIGHT
MOSTLY 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 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 AND TUESDAY NIGHT
MOSTLY CLOUDY. A CHANCE OF RAIN AND
SNOW. LOWS IN THE UPPER 20S. HIGHS IN THE UPPER 30S. WEST WINDS
10 TO 15 MPH.
WEDNESDAY
MOSTLY SUNNY. HIGHS IN THE UPPER 30S. NORTHWEST
WINDS 10 TO 15 MPH.
RIZ003-180900-
WESTERN KENT RI-
INCLUDING THE CITIES OF COVENTRY AND WEST GREENWICH
409 PM EST WED DEC 17 2025
TONIGHT THU THU NIGHT FRI
CLOUD COVER MCLEAR MCLEAR MCLDY MCLDY
PRECIP TYPE NONE NONE RAIN RAIN
CHANCE PRECIP (%) 80 90
CHANCE OF THUNDER (%) 0 0 0 0
TEMP (24H TREND) 24 (+2) 51 (+7) 41 57
RH % (24H TREND) 98 (-2) 65 (+3) 100 73
20FT WND AM(MPH) LGT/VAR S 18 G38
20FT WND PM(MPH) W 6 S 7 S 7 G18 SW 14 G33
PRECIP AMOUNT 0.00 0.00 0.13 1.05
PRECIP DURATION 5 9
PRECIP BEGIN 7 PM CONTINUING
PRECIP END CONTINUING CONTINUING
MIXING HGT (FT-AGL) 260 2030 290 1640
TRANSPORT WND (KTS) W 6 S 17 S 10 S 25
VENT RATE (KT-FT) 1560 34510 2900 41000
MAX ADI EARLY 11 POOR 25 FAIR 13 GEN POOR 20 GEN POOR
MAX ADI LATE 5 VERY POOR 37 FAIR 20 GEN POOR 21 FAIR
MAX LVORI EARLY 8 4 5 8
MAX LVORI LATE 8 4 5 8
MIN VSBY EARLY 10 9 2 FOG 2 FOG
MIN VSBY LATE 10 8 3 FOG 3 FOG
SUNSHINE HOURS N/A N/A N/A N/A
CWR 0 0 70 90
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 LOWER 40S. WEST WINDS 5 TO
10 MPH.
SATURDAY NIGHT
MOSTLY CLOUDY. LOWS IN THE LOWER 30S. SOUTHWEST
WINDS 5 TO 10 MPH.
SUNDAY
PARTLY SUNNY. HIGHS IN THE MID 40S. WEST WINDS AROUND
10 MPH.
SUNDAY NIGHT AND MONDAY
MOSTLY CLEAR. COLDER. LOWS IN THE
LOWER 20S. HIGHS IN THE LOWER 30S. NORTHWEST WINDS 5 TO 10 MPH.
MONDAY NIGHT
PARTLY CLOUDY. LOWS AROUND 19. NORTHWEST WINDS
AROUND 5 MPH.
TUESDAY AND TUESDAY NIGHT
MOSTLY CLOUDY. A CHANCE OF RAIN AND
SNOW. LOWS IN THE UPPER 20S. HIGHS IN THE UPPER 30S. WEST WINDS
5 TO 10 MPH.
WEDNESDAY
MOSTLY SUNNY. HIGHS IN THE UPPER 30S. NORTHWEST
WINDS 5 TO 10 MPH.
RIZ004-180900-
EASTERN KENT RI-
INCLUDING THE CITIES OF EAST GREENWICH, WARWICK, AND WEST WARWICK
409 PM EST WED DEC 17 2025
TONIGHT THU THU NIGHT FRI
CLOUD COVER MCLEAR MCLEAR MCLDY MCLDY
PRECIP TYPE NONE NONE RAIN RAIN
CHANCE PRECIP (%) 80 90
CHANCE OF THUNDER (%) 0 0 0 0
TEMP (24H TREND) 26 (+1) 51 (+6) 41 57
RH % (24H TREND) 94 (+6) 60 (+7) 100 66
20FT WND AM(MPH) LGT/VAR S 19 G39
20FT WND PM(MPH) W 6 S 7 S 7 G18 SW 15 G34
PRECIP AMOUNT 0.00 0.00 0.11 1.02
PRECIP DURATION 5 9
PRECIP BEGIN 7 PM CONTINUING
PRECIP END CONTINUING CONTINUING
MIXING HGT (FT-AGL) 350 2080 430 1980
TRANSPORT WND (KTS) W 6 S 17 S 11 W 17
VENT RATE (KT-FT) 2100 35360 4730 33660
MAX ADI EARLY 10 POOR 22 FAIR 14 GEN POOR 20 GEN POOR
MAX ADI LATE 5 VERY POOR 38 FAIR 20 GEN POOR 22 FAIR
MAX LVORI EARLY 6 4 5 8
MAX LVORI LATE 6 4 5 8
MIN VSBY EARLY 10 9 3 FOG 3 FOG
MIN VSBY LATE 10 8 4 FOG 3 FOG
SUNSHINE HOURS N/A N/A N/A N/A
CWR 0 0 60 100
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 LOWER 40S. WEST WINDS
10 TO 15 MPH.
SATURDAY NIGHT
MOSTLY CLOUDY. LOWS IN THE LOWER 30S. SOUTHWEST
WINDS 15 TO 20 MPH.
SUNDAY
PARTLY SUNNY. HIGHS IN THE MID 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 IN THE LOWER 20S. NORTHWEST
WINDS 5 TO 10 MPH.
TUESDAY
PARTLY SUNNY 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 AROUND
30. WEST WINDS 10 TO 15 MPH.
WEDNESDAY
MOSTLY SUNNY. HIGHS IN THE UPPER 30S. NORTHWEST
WINDS 10 TO 15 MPH.
RIZ005-180900-
BRISTOL RI-
INCLUDING THE CITIES OF BARRINGTON, BRISTOL, AND WARREN
409 PM EST WED DEC 17 2025
TONIGHT THU THU NIGHT FRI
CLOUD COVER MCLEAR MCLEAR MCLDY MCLDY
PRECIP TYPE NONE NONE RAIN RAIN
CHANCE PRECIP (%) 80 90
CHANCE OF THUNDER (%) 0 0 0 0
TEMP (24H TREND) 27 (-1) 51 (+6) 42 57
RH % (24H TREND) 94 (+9) 65 (+9) 100 73
20FT WND AM(MPH) LGT/VAR S 22 G39
20FT WND PM(MPH) W 8 G17 S 7 S 9 G20 SW 18 G36
PRECIP AMOUNT 0.00 0.00 0.10 0.99
PRECIP DURATION 4 9
PRECIP BEGIN 7 PM CONTINUING
PRECIP END CONTINUING CONTINUING
MIXING HGT (FT-AGL) 350 2020 470 1790
TRANSPORT WND (KTS) W 6 S 16 S 14 W 18
VENT RATE (KT-FT) 2100 32320 6580 32220
MAX ADI EARLY 13 GEN POOR 22 FAIR 15 GEN POOR 23 FAIR
MAX ADI LATE 5 VERY POOR 36 FAIR 22 FAIR 23 FAIR
MAX LVORI EARLY 6 4 5 9
MAX LVORI LATE 6 4 5 9
MIN VSBY EARLY 10 9 7 3 FOG
MIN VSBY LATE 10 9 5 FOG 3 FOG
SUNSHINE HOURS N/A N/A N/A N/A
CWR 0 0 60 100
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
15 TO 20 MPH, DIMINISHING TO 5 TO 10 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 MID 40S. WEST WINDS 15 TO
20 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 5 TO 10 MPH.
TUESDAY
PARTLY SUNNY 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 AROUND 40. NORTHWEST WINDS 10 TO
15 MPH.
RIZ006-180900-
WASHINGTON RI-
INCLUDING THE CITIES OF KINGSTON, NARRAGANSETT, RICHMOND,
AND WESTERLY
409 PM EST WED DEC 17 2025
TONIGHT THU THU NIGHT FRI
CLOUD COVER MCLEAR MCLEAR MCLDY MCLDY
PRECIP TYPE NONE NONE RAIN RAIN
CHANCE PRECIP (%) 80 90
CHANCE OF THUNDER (%) 0 0 0 0
TEMP (24H TREND) 24 (-1) 51 (+6) 41 56
RH % (24H TREND) 98 (-2) 63 (+17) 100 70
20FT WND AM(MPH) LGT/VAR S 18 G40
20FT WND PM(MPH) W 6 G21 S 7 S 7 G23 SW 14 G35
PRECIP AMOUNT 0.00 0.00 0.11 0.97
PRECIP DURATION 5 9
PRECIP BEGIN 7 PM CONTINUING
PRECIP END CONTINUING CONTINUING
MIXING HGT (FT-AGL) 310 2070 370 1890
TRANSPORT WND (KTS) W 5 S 16 S 11 W 18
VENT RATE (KT-FT) 1550 33120 4070 34020
MAX ADI EARLY 12 POOR 27 FAIR 15 GEN POOR 22 FAIR
MAX ADI LATE 5 VERY POOR 35 FAIR 21 FAIR 24 FAIR
MAX LVORI EARLY 7 4 5 8
MAX LVORI LATE 7 4 5 8
MIN VSBY EARLY 10 9 4 FOG 3 FOG
MIN VSBY LATE 10 8 3 FOG 3 FOG
SUNSHINE HOURS N/A N/A N/A N/A
CWR 0 0 70 90
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.
SATURDAY NIGHT
MOSTLY 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 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 IN THE LOWER 20S. NORTHWEST
WINDS 10 TO 15 MPH.
TUESDAY
PARTLY SUNNY 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
UPPER 20S. WEST WINDS 15 TO 20 MPH.
WEDNESDAY
MOSTLY SUNNY. HIGHS AROUND 40. NORTHWEST WINDS 10 TO
15 MPH.
RIZ007-180900-
NEWPORT RI-
INCLUDING THE CITIES OF NEWPORT, PORTSMOUTH, AND TIVERTON
409 PM EST WED DEC 17 2025
TONIGHT THU THU NIGHT FRI
CLOUD COVER MCLEAR MCLEAR MCLDY MCLDY
PRECIP TYPE NONE NONE RAIN RAIN
CHANCE PRECIP (%) 80 90
CHANCE OF THUNDER (%) 0 0 0 0
TEMP (24H TREND) 28 (-3) 52 (+6) 43 56
RH % (24H TREND) 98 (+13) 65 (+11) 100 71
20FT WND AM(MPH) LGT/VAR S 21 G41
20FT WND PM(MPH) W 8 G21 S 8 S 10 G23 SW 18 G37
PRECIP AMOUNT 0.00 0.00 0.09 0.93
PRECIP DURATION 4 9
PRECIP BEGIN 7 PM CONTINUING
PRECIP END CONTINUING CONTINUING
MIXING HGT (FT-AGL) 300 2050 460 1920
TRANSPORT WND (KTS) W 6 S 16 S 16 W 20
VENT RATE (KT-FT) 1800 32800 7360 38400
MAX ADI EARLY 16 GEN POOR 29 FAIR 17 GEN POOR 24 FAIR
MAX ADI LATE 7 POOR 35 FAIR 23 FAIR 25 FAIR
MAX LVORI EARLY 6 4 5 9
MAX LVORI LATE 6 4 5 9
MIN VSBY EARLY 10 9 7 3 FOG
MIN VSBY LATE 10 9 4 FOG 3 FOG
SUNSHINE HOURS N/A N/A N/A N/A
CWR 0 0 60 100
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 20 TO 25 MPH.
SATURDAY
MOSTLY SUNNY. HIGHS IN THE LOWER 40S. WEST WINDS
15 TO 20 MPH.
SATURDAY NIGHT
BREEZY. MOSTLY CLOUDY. LOWS IN THE MID 30S.
SOUTHWEST WINDS 15 TO 25 MPH.
SUNDAY
BREEZY. PARTLY 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 MID 20S. NORTHWEST
WINDS 10 TO 15 MPH.
TUESDAY
PARTLY SUNNY WITH A CHANCE OF RAIN AND SNOW. HIGHS IN
THE LOWER 40S. 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 AROUND 40. NORTHWEST WINDS 10 TO
15 MPH.
RIZ008-180900-
BLOCK ISLAND RI-
INCLUDING THE CITY OF NEW SHOREHAM
409 PM EST WED DEC 17 2025
TONIGHT THU THU NIGHT FRI
CLOUD COVER MCLEAR MCLEAR MCLDY MCLDY
PRECIP TYPE NONE NONE RAIN RAIN
CHANCE PRECIP (%) 80 90
CHANCE OF THUNDER (%) 0 0 0 0
TEMP (24H TREND) 35 (+1) 52 (+6) 46 55
RH % (24H TREND) 79 (-3) 65 (+9) 93 72
20FT WND AM(MPH) LGT/VAR S 23 G42
20FT WND PM(MPH) W 13 G23 S 9 S 12 G23 SW 20 G36
PRECIP AMOUNT 0.00 0.00 0.12 0.90
PRECIP DURATION 4 9
PRECIP BEGIN 7 PM CONTINUING
PRECIP END CONTINUING CONTINUING
MIXING HGT (FT-AGL) 960 2060 660 2990
TRANSPORT WND (KTS) W 6 S 17 S 16 W 28
VENT RATE (KT-FT) 5760 35020 10560 83720
MAX ADI EARLY 39 FAIR 37 FAIR 22 FAIR 38 FAIR
MAX ADI LATE 13 GEN POOR 15 GEN POOR 29 FAIR 43 GEN GOOD
MAX LVORI EARLY 3 4 4 7
MAX LVORI LATE 3 4 4 7
MIN VSBY EARLY 10 9 7 3 FOG
MIN VSBY LATE 10 9 3 FOG 3 FOG
SUNSHINE HOURS N/A N/A N/A N/A
CWR 0 0 70 100
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.
SATURDAY NIGHT
BREEZY. MOSTLY CLOUDY. LOWS IN THE UPPER 30S.
SOUTHWEST WINDS 15 TO 25 MPH.
SUNDAY
PARTLY SUNNY. HIGHS IN THE UPPER 40S. WEST WINDS 15 TO
20 MPH.
SUNDAY NIGHT AND MONDAY
MOSTLY CLEAR. COLDER. LOWS IN THE
UPPER 20S. HIGHS IN THE MID 30S. NORTHWEST WINDS 15 TO 20 MPH.
MONDAY NIGHT
PARTLY CLOUDY. LOWS IN THE UPPER 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
MID 30S. WEST WINDS 15 TO 20 MPH.
WEDNESDAY
MOSTLY SUNNY. HIGHS IN THE LOWER 40S. NORTHWEST
WINDS 15 TO 20 MPH.
MAZ017-180900-
NORTHERN BRISTOL MA-
INCLUDING THE CITIES OF ATTLEBORO, BERKLEY, EASTON, MANSFIELD,
REHOBOTH, AND TAUNTON
409 PM EST WED DEC 17 2025
TONIGHT THU THU NIGHT FRI
CLOUD COVER MCLEAR MCLEAR MCLDY MCLDY
PRECIP TYPE NONE NONE RAIN RAIN
CHANCE PRECIP (%) 80 90
CHANCE OF THUNDER (%) 0 0 0 0
TEMP (24H TREND) 24 (+1) 50 (+5) 39 58
RH % (24H TREND) 98 (+2) 56 (+3) 100 70
20FT WND AM(MPH) LGT/VAR S 16 G40
20FT WND PM(MPH) LGT/VAR S 5 S 5 SW 12 G36
PRECIP AMOUNT 0.00 0.00 0.07 0.99
PRECIP DURATION 4 9
PRECIP BEGIN 7 PM CONTINUING
PRECIP END CONTINUING CONTINUING
MIXING HGT (FT-AGL) 370 2040 400 1720
TRANSPORT WND (KTS) W 6 S 17 S 11 W 16
VENT RATE (KT-FT) 2220 34680 4400 27520
MAX ADI EARLY 7 POOR 24 FAIR 13 GEN POOR 19 GEN POOR
MAX ADI LATE 5 VERY POOR 37 FAIR 19 GEN POOR 19 GEN POOR
MAX LVORI EARLY 7 4 5 9
MAX LVORI LATE 7 4 5 9
MIN VSBY EARLY 9 9 4 FOG 3 FOG
MIN VSBY LATE 9 9 5 FOG 3 FOG
SUNSHINE HOURS N/A N/A N/A N/A
CWR 0 0 50 100
REMARKS...NONE.
FORECAST FOR DAYS 3 THROUGH 7
FRIDAY NIGHT
PARTLY CLOUDY. LOWS IN THE MID 20S. WEST WINDS
AROUND 10 MPH.
SATURDAY
MOSTLY SUNNY. HIGHS IN THE LOWER 40S. WEST WINDS 5 TO
10 MPH.
SATURDAY NIGHT
CLOUDY. LOWS AROUND 30. SOUTHWEST WINDS 5 TO
10 MPH.
SUNDAY
PARTLY SUNNY. HIGHS IN THE MID 40S. WEST WINDS 5 TO
10 MPH.
SUNDAY NIGHT AND MONDAY
MOSTLY CLEAR. COLDER. LOWS IN THE
LOWER 20S. HIGHS IN THE LOWER 30S. NORTHWEST WINDS 5 TO 10 MPH.
MONDAY NIGHT
PARTLY CLOUDY. LOWS AROUND 19. NORTHWEST WINDS
AROUND 5 MPH.
TUESDAY AND TUESDAY NIGHT
MOSTLY CLOUDY. A CHANCE OF RAIN AND
SNOW. LOWS IN THE UPPER 20S. HIGHS IN THE UPPER 30S. WEST WINDS
5 TO 10 MPH.
WEDNESDAY
MOSTLY SUNNY. HIGHS IN THE UPPER 30S. NORTHWEST
WINDS 5 TO 10 MPH.
MAZ018-180900-
WESTERN PLYMOUTH MA-
INCLUDING THE CITIES OF BRIDGEWATER, BROCKTON, CARVER,
MIDDLEBORO, AND PEMBROKE
409 PM EST WED DEC 17 2025
TONIGHT THU THU NIGHT FRI
CLOUD COVER MCLEAR MCLEAR MCLDY MCLDY
PRECIP TYPE NONE NONE RAIN RAIN
CHANCE PRECIP (%) 70 90
CHANCE OF THUNDER (%) 0 0 0 0
TEMP (24H TREND) 25 (+2) 50 (+5) 38 58
RH % (24H TREND) 98 (+2) 63 (+12) 100 78
20FT WND AM(MPH) LGT/VAR S 16 G40
20FT WND PM(MPH) W 5 S 5 S 5 G19 SW 13 G37
PRECIP AMOUNT 0.00 0.00 0.05 0.90
PRECIP DURATION 3 9
PRECIP BEGIN 11 PM CONTINUING
PRECIP END CONTINUING CONTINUING
MIXING HGT (FT-AGL) 360 2000 420 1540
TRANSPORT WND (KTS) W 5 S 17 S 11 S 25
VENT RATE (KT-FT) 1800 34000 4620 38500
MAX ADI EARLY 11 POOR 25 FAIR 14 GEN POOR 20 GEN POOR
MAX ADI LATE 5 VERY POOR 37 FAIR 19 GEN POOR 18 GEN POOR
MAX LVORI EARLY 7 4 5 8
MAX LVORI LATE 7 4 5 8
MIN VSBY EARLY 9 9 4 FOG 3 FOG
MIN VSBY LATE 9 9 5 FOG 3 FOG
SUNSHINE HOURS N/A N/A N/A N/A
CWR 0 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 LOWER 40S. WEST WINDS 5 TO
10 MPH.
SATURDAY NIGHT
CLOUDY. LOWS AROUND 30. SOUTHWEST WINDS 5 TO
10 MPH.
SUNDAY
PARTLY SUNNY. HIGHS IN THE MID 40S. WEST WINDS 5 TO
10 MPH.
SUNDAY NIGHT
PARTLY CLOUDY. LOWS IN THE LOWER 20S. WEST 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. A CHANCE OF RAIN AND
SNOW. LOWS IN THE MID 20S. HIGHS IN THE UPPER 30S. WEST WINDS
5 TO 10 MPH.
WEDNESDAY
MOSTLY SUNNY. HIGHS IN THE UPPER 30S. NORTHWEST
WINDS 5 TO 10 MPH.
MAZ019-180900-
EASTERN PLYMOUTH MA-
INCLUDING THE CITIES OF COHASSET, HINGHAM, MARSHFIELD, PLYMOUTH,
AND SCITUATE
409 PM EST WED DEC 17 2025
TONIGHT THU THU NIGHT FRI
CLOUD COVER MCLEAR MCLEAR MCLDY MCLDY
PRECIP TYPE NONE NONE RAIN RAIN
CHANCE PRECIP (%) 70 90
CHANCE OF THUNDER (%) 0 0 0 0
TEMP (24H TREND) 26 (+1) 50 (+4) 38 57
RH % (24H TREND) 95 (+3) 56 (+9) 100 74
20FT WND AM(MPH) LGT/VAR S 17 G40
20FT WND PM(MPH) W 7 G20 S 7 S 8 G22 SW 15 G38
PRECIP AMOUNT 0.00 0.00 0.05 0.84
PRECIP DURATION 2 9
PRECIP BEGIN 11 PM CONTINUING
PRECIP END CONTINUING CONTINUING
MIXING HGT (FT-AGL) 300 1950 480 1570
TRANSPORT WND (KTS) W 6 S 17 S 16 SW 19
VENT RATE (KT-FT) 1800 33150 7680 29830
MAX ADI EARLY 14 GEN POOR 25 FAIR 15 GEN POOR 23 FAIR
MAX ADI LATE 7 POOR 35 FAIR 21 FAIR 23 FAIR
MAX LVORI EARLY 6 4 5 9
MAX LVORI LATE 6 4 5 9
MIN VSBY EARLY 10 9 5 FOG 3 FOG
MIN VSBY LATE 10 9 5 FOG 3 FOG
SUNSHINE HOURS N/A N/A N/A N/A
CWR 0 0 40 100
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 5 TO 10 MPH IN THE AFTERNOON.
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
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 IN THE LOWER 20S. NORTHWEST
WINDS 10 TO 15 MPH.
TUESDAY AND TUESDAY NIGHT
MOSTLY CLOUDY. A CHANCE OF RAIN AND
SNOW. LOWS IN THE UPPER 20S. HIGHS IN THE UPPER 30S. WEST WINDS
15 TO 20 MPH.
WEDNESDAY
MOSTLY SUNNY. HIGHS IN THE UPPER 30S. NORTHWEST
WINDS 15 TO 20 MPH.
MAZ020-180900-
SOUTHERN BRISTOL MA-
INCLUDING THE CITIES OF ACUSHNET, FALL RIVER, NEW BEDFORD,
SWANSEA, AND WESTPORT
409 PM EST WED DEC 17 2025
TONIGHT THU THU NIGHT FRI
CLOUD COVER MCLEAR MCLEAR MCLDY MCLDY
PRECIP TYPE NONE NONE RAIN RAIN
CHANCE PRECIP (%) 70 90
CHANCE OF THUNDER (%) 0 0 0 0
TEMP (24H TREND) 25 (-1) 51 (+5) 40 56
RH % (24H TREND) 98 (+2) 58 (+4) 100 74
20FT WND AM(MPH) LGT/VAR S 19 G41
20FT WND PM(MPH) W 6 G21 S 7 S 7 G23 SW 16 G39
PRECIP AMOUNT 0.00 0.00 0.07 0.91
PRECIP DURATION 3 9
PRECIP BEGIN 11 PM CONTINUING
PRECIP END CONTINUING CONTINUING
MIXING HGT (FT-AGL) 320 2060 390 1400
TRANSPORT WND (KTS) W 5 S 17 S 12 S 26
VENT RATE (KT-FT) 1600 35020 4680 36400
MAX ADI EARLY 12 POOR 25 FAIR 15 GEN POOR 21 FAIR
MAX ADI LATE 5 VERY POOR 37 FAIR 21 FAIR 19 GEN POOR
MAX LVORI EARLY 7 4 5 9
MAX LVORI LATE 7 4 5 9
MIN VSBY EARLY 9 9 5 FOG 3 FOG
MIN VSBY LATE 9 8 5 FOG 3 FOG
SUNSHINE HOURS N/A N/A N/A N/A
CWR 0 0 50 100
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 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
BREEZY. PARTLY SUNNY. HIGHS IN THE UPPER 40S. WEST
WINDS 15 TO 25 MPH.
SUNDAY NIGHT AND MONDAY
BREEZY. MOSTLY CLEAR. COLDER. LOWS IN
THE LOWER 20S. HIGHS IN THE LOWER 30S. NORTHWEST WINDS 15 TO
25 MPH.
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. 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 AROUND 40. NORTHWEST WINDS 15 TO
20 MPH.
MAZ021-180900-
SOUTHERN PLYMOUTH MA-
INCLUDING THE CITIES OF MARION, MATTAPOISETT, ROCHESTER,
AND WAREHAM
409 PM EST WED DEC 17 2025
TONIGHT THU THU NIGHT FRI
CLOUD COVER MCLEAR MCLEAR MCLDY MCLDY
PRECIP TYPE NONE NONE RAIN RAIN
CHANCE PRECIP (%) 70 90
CHANCE OF THUNDER (%) 0 0 0 0
TEMP (24H TREND) 25 (-1) 51 (+5) 39 56
RH % (24H TREND) 98 (+10) 65 (+6) 100 80
20FT WND AM(MPH) LGT/VAR S 18 G41
20FT WND PM(MPH) W 6 G21 S 7 S 7 G22 SW 16 G39
PRECIP AMOUNT 0.00 0.00 0.05 0.86
PRECIP DURATION 2 9
PRECIP BEGIN 11 PM CONTINUING
PRECIP END CONTINUING CONTINUING
MIXING HGT (FT-AGL) 360 2000 470 1390
TRANSPORT WND (KTS) W 5 S 16 S 12 S 25
VENT RATE (KT-FT) 1800 32000 5640 34750
MAX ADI EARLY 12 POOR 22 FAIR 15 GEN POOR 21 FAIR
MAX ADI LATE 5 VERY POOR 36 FAIR 21 FAIR 19 GEN POOR
MAX LVORI EARLY 7 4 5 9
MAX LVORI LATE 7 4 5 9
MIN VSBY EARLY 9 9 3 FOG 3 FOG
MIN VSBY LATE 10 9 5 FOG 3 FOG
SUNSHINE HOURS N/A N/A N/A N/A
CWR 0 0 40 100
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
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
PARTLY CLOUDY. COLDER. LOWS IN THE LOWER 20S.
WEST 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
PARTLY SUNNY WITH A CHANCE OF RAIN AND SNOW. HIGHS
AROUND 40. 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 AROUND 40. NORTHWEST WINDS 10 TO
15 MPH.
MAZ022-180900-
BARNSTABLE MA-
INCLUDING THE CITIES OF BOURNE, CHATHAM, FALMOUTH, HYANNIS,
PROVINCETOWN, AND WELLFLEET
409 PM EST WED DEC 17 2025
TONIGHT THU THU NIGHT FRI
CLOUD COVER MCLEAR MCLEAR PCLDY MCLDY
PRECIP TYPE NONE NONE RAIN RAIN
CHANCE PRECIP (%) 60 90
CHANCE OF THUNDER (%) 0 0 0 0
TEMP (24H TREND) 29 (0) 49 (+3) 39 54
RH % (24H TREND) 94 (-6) 60 (+8) 100 80
20FT WND AM(MPH) LGT/VAR S 19 G42
20FT WND PM(MPH) W 9 G22 S 8 S 9 G24 S 18 G43
PRECIP AMOUNT 0.00 0.00 0.04 0.73
PRECIP DURATION 2 9
PRECIP BEGIN 11 PM CONTINUING
PRECIP END CONTINUING CONTINUING
MIXING HGT (FT-AGL) 240 1670 590 1480
TRANSPORT WND (KTS) W 6 S 16 S 20 SW 23
VENT RATE (KT-FT) 1440 26720 11800 34040
MAX ADI EARLY 20 GEN POOR 20 GEN POOR 21 FAIR 26 FAIR
MAX ADI LATE 10 POOR 30 FAIR 24 FAIR 28 FAIR
MAX LVORI EARLY 6 4 5 8
MAX LVORI LATE 6 4 5 8
MIN VSBY EARLY 10 9 5 FOG 3 FOG
MIN VSBY LATE 10 9 5 FOG 3 FOG
SUNSHINE HOURS N/A N/A N/A N/A
CWR 0 0 30 100
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
BREEZY. MOSTLY CLOUDY. LOWS IN THE MID 30S.
SOUTHWEST WINDS 15 TO 25 MPH.
SUNDAY
BREEZY. PARTLY SUNNY. HIGHS IN THE UPPER 40S. SOUTHWEST
WINDS 15 TO 25 MPH.
SUNDAY NIGHT
BREEZY. PARTLY CLOUDY. COLDER. LOWS IN THE MID
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 IN THE LOWER 20S. NORTHWEST
WINDS 10 TO 15 MPH.
TUESDAY
PARTLY SUNNY 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 AROUND
30. WEST WINDS 15 TO 20 MPH.
WEDNESDAY
MOSTLY SUNNY. HIGHS AROUND 40. NORTHWEST WINDS 10 TO
15 MPH.
MAZ023-180900-
DUKES MA-
INCLUDING THE CITIES OF EDGARTOWN, OAK BLUFFS, AND VINEYARD HAVEN
409 PM EST WED DEC 17 2025
TONIGHT THU THU NIGHT FRI
CLOUD COVER MCLEAR MCLEAR PCLDY MCLDY
PRECIP TYPE NONE NONE RAIN RAIN
CHANCE PRECIP (%) 60 90
CHANCE OF THUNDER (%) 0 0 0 0
TEMP (24H TREND) 31 (-6) 51 (+3) 42 55
RH % (24H TREND) 86 (+2) 62 (+14) 100 74
20FT WND AM(MPH) LGT/VAR S 23 G42
20FT WND PM(MPH) W 12 G23 S 9 G17 S 12 G24 SW 21 G42
PRECIP AMOUNT 0.00 0.00 0.05 0.76
PRECIP DURATION 2 8
PRECIP BEGIN 11 PM CONTINUING
PRECIP END CONTINUING CONTINUING
MIXING HGT (FT-AGL) 410 1850 610 1680
TRANSPORT WND (KTS) W 5 S 15 S 16 SW 29
VENT RATE (KT-FT) 2050 27750 9760 48720
MAX ADI EARLY 28 FAIR 22 FAIR 21 FAIR 27 FAIR
MAX ADI LATE 12 POOR 28 FAIR 26 FAIR 38 FAIR
MAX LVORI EARLY 4 4 5 7
MAX LVORI LATE 4 4 5 7
MIN VSBY EARLY 10 9 7 3 FOG
MIN VSBY LATE 10 9 5 FOG 3 FOG
SUNSHINE HOURS N/A N/A N/A N/A
CWR 0 0 40 100
REMARKS...NONE.
FORECAST FOR DAYS 3 THROUGH 7
FRIDAY NIGHT
WINDY. PARTLY CLOUDY WITH A CHANCE OF RAIN. 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
WINDY. PARTLY SUNNY. HIGHS IN THE UPPER 40S. WEST WINDS
20 TO 30 MPH.
SUNDAY NIGHT
WINDY. PARTLY CLOUDY. COLDER. LOWS IN THE MID
20S. NORTHWEST WINDS 20 TO 30 MPH.
MONDAY
BREEZY, SUNNY, COLDER. HIGHS IN THE MID 30S. NORTHWEST
WINDS 15 TO 25 MPH.
MONDAY NIGHT
PARTLY CLOUDY. LOWS IN THE MID 20S. NORTHWEST
WINDS 10 TO 15 MPH.
TUESDAY
BREEZY. PARTLY SUNNY WITH A CHANCE OF RAIN. HIGHS IN
THE LOWER 40S. WEST WINDS 10 TO 15 MPH, INCREASING TO SOUTHWEST
20 TO 25 MPH IN THE AFTERNOON.
TUESDAY NIGHT
BREEZY. MOSTLY CLOUDY WITH A CHANCE OF RAIN.
LOWS IN THE LOWER 30S. WEST WINDS 20 TO 25 MPH.
WEDNESDAY
MOSTLY SUNNY. HIGHS IN THE LOWER 40S. NORTHWEST
WINDS 15 TO 20 MPH.
MAZ024-180900-
NANTUCKET MA-
INCLUDING THE CITY OF NANTUCKET
409 PM EST WED DEC 17 2025
TONIGHT THU THU NIGHT FRI
CLOUD COVER MCLEAR CLEAR PCLDY MCLDY
PRECIP TYPE NONE NONE RAIN RAIN
CHANCE PRECIP (%) 50 90
CHANCE OF THUNDER (%) 0 0 0 0
TEMP (24H TREND) 34 (-5) 49 (+2) 42 53
RH % (24H TREND) 93 (+3) 65 (+3) 100 81
20FT WND AM(MPH) LGT/VAR S 21 G41
20FT WND PM(MPH) W 13 G23 S 9 S 12 G23 S 21 G43
PRECIP AMOUNT 0.00 0.00 0.02 0.69
PRECIP DURATION 1 7
PRECIP BEGIN 12 AM CONTINUING
PRECIP END CONTINUING CONTINUING
MIXING HGT (FT-AGL) 650 870 680 1250
TRANSPORT WND (KTS) NW 7 S 11 S 19 SW 32
VENT RATE (KT-FT) 4550 9570 12920 40000
MAX ADI EARLY 30 FAIR 14 GEN POOR 25 FAIR 29 FAIR
MAX ADI LATE 21 FAIR 20 GEN POOR 28 FAIR 35 FAIR
MAX LVORI EARLY 5 4 5 9
MAX LVORI LATE 5 4 5 9
MIN VSBY EARLY 9 9 9 3 FOG
MIN VSBY LATE 10 9 9 3 FOG
SUNSHINE HOURS N/A N/A N/A N/A
CWR 0 0 20 100
REMARKS...NONE.
FORECAST FOR DAYS 3 THROUGH 7
FRIDAY NIGHT
WINDY. PARTLY CLOUDY WITH A CHANCE OF RAIN. LOWS
IN THE LOWER 30S. 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
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 UPPER
20S. NORTHWEST WINDS 15 TO 25 MPH.
MONDAY
BREEZY, SUNNY, COLDER. HIGHS IN THE MID 30S. NORTHWEST
WINDS 15 TO 25 MPH.
MONDAY NIGHT
PARTLY CLOUDY. LOWS IN THE UPPER 20S. NORTHWEST
WINDS 15 TO 20 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 AROUND 40. NORTHWEST WINDS 15 TO
20 MPH.
OUTLOOK 8 TO 14 DAYS
TEMPERATURES BELOW NORMAL. PRECIPITATION NEAR NORMAL.
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