305
FNUS51 KBOX 180809
FWFBOX
FIRE WEATHER PLANNING FORECAST FOR SOUTHERN NEW ENGLAND
NATIONAL WEATHER SERVICE BOSTON/NORTON MA
409 AM EDT MON MAY 18 2026
DISCUSSION
MAINLY DRY AND UNSEASONABLY WARM TODAY IN THE INTERIOR WITH
COOLER TEMPERATURES NEAR THE COAST. A SPOT SHOWER IS POSSIBLE IN
WESTERN MA/CT THIS AFTERNOON. RECORD HEAT LIKELY TUESDAY WITH A
FEW SHOWERS AND THUNDERSTORMS POSSIBLE IN THE AFTERNOON.
MINIMUM RELATIVE HUMIDITY THIS AFTERNOON WILL BE 35 TO
45 PERCENT, EXCEPT 45 TO 60 PERCENT ALONG THE COASTLINES. ON
TUESDAY, MINIMUM RELATIVE HUMIDITY WILL BE 30 TO 40 PERCENT,
EXCEPT 50 TO 60 PERCENT ALONG THE IMMEDIATE SOUTH COAST AND
CAPE/ISLANDS.
OUTLOOK...WEDNESDAY THROUGH SUNDAY
HOT CONDITIONS CONTINUE INTO WEDNESDAY WITH SCATTERED STRONG TO
SEVERE THUNDERSTORMS IN THE AFTERNOON AS A COLD FRONT MOVES INTO
THE REGION. TURNING COOLER AND DRIER THURSDAY AND FRIDAY, THEN AN
APPROACHING FRONTAL BOUNDARY FROM THE SOUTH WILL BRING AN
INCREASING RISK FOR SHOWERS NEXT WEEKEND.
MAZ015-182000-
SUFFOLK MA-
INCLUDING THE CITY OF BOSTON
409 AM EDT MON MAY 18 2026
TODAY TONIGHT TUE
CLOUD COVER PCLDY MCLEAR PCLDY
PRECIP TYPE NONE NONE TSTMS
CHANCE PRECIP (%) 10 20
CHANCE OF THUNDER (%) 0 0 0
TEMP (24H TREND) 79 (-5) 62 (+5) 95
RH % (24H TREND) 40 (+6) 84 (+6) 31
20FT WND AM(MPH) LGT/VAR SW 5
20FT WND PM(MPH) E 7 S 5 SW 9 G20
PRECIP AMOUNT 0.00 0.00 0.00
PRECIP DURATION
PRECIP BEGIN
PRECIP END
MIXING HGT (FT-AGL) 2270 470 7050
TRANSPORT WND (KTS) SE 11 SW 13 W 17
VENT RATE (KT-FT) 24970 6110 119850
MAX ADI EARLY 15 GEN POOR 15 GEN POOR 43 GEN GOOD
MAX ADI LATE 19 GEN POOR 15 GEN POOR 75 GOOD
MAX LVORI EARLY 2 4 1
MAX LVORI LATE 2 4 1
MIN VSBY EARLY 9 9 9
MIN VSBY LATE 9 9 9
SUNSHINE HOURS N/A N/A N/A
CWR 0 0
REMARKS...NONE.
FORECAST FOR DAYS 3 THROUGH 7
TUESDAY NIGHT
PARTLY CLOUDY. LOWS AROUND 70. SOUTHWEST WINDS
10 TO 15 MPH.
WEDNESDAY
SHOWERS. HIGHS AROUND 90. WEST WINDS 10 TO 15 MPH.
WEDNESDAY NIGHT
MOSTLY CLOUDY WITH SHOWERS LIKELY. COOLER.
LOWS IN THE MID 50S. NORTHWEST WINDS 10 TO 15 MPH.
THURSDAY
MOSTLY SUNNY. MUCH COOLER. HIGHS IN THE UPPER 60S.
NORTH WINDS 5 TO 10 MPH.
THURSDAY NIGHT
MOSTLY CLEAR. LOWS IN THE UPPER 40S. NORTH
WINDS 5 TO 10 MPH.
FRIDAY
MOSTLY SUNNY. HIGHS IN THE MID 60S. NORTHEAST WINDS
AROUND 5 MPH, BECOMING SOUTHEAST IN THE AFTERNOON.
FRIDAY NIGHT
MOSTLY CLOUDY WITH A CHANCE OF SHOWERS. LOWS IN
THE UPPER 40S. SOUTH WINDS 5 TO 10 MPH.
SATURDAY THROUGH SUNDAY
MOSTLY CLOUDY WITH SHOWERS LIKELY.
LOWS AROUND 50. HIGHS IN THE LOWER 60S. EAST WINDS 5 TO 10 MPH.
MAZ016-182000-
EASTERN NORFOLK MA-
INCLUDING THE CITY OF QUINCY
409 AM EDT MON MAY 18 2026
TODAY TONIGHT TUE
CLOUD COVER PCLDY MCLEAR PCLDY
PRECIP TYPE NONE NONE NONE
CHANCE PRECIP (%) 10 20
CHANCE OF THUNDER (%) 0 0 0
TEMP (24H TREND) 79 (-5) 61 (+4) 95
RH % (24H TREND) 39 (+6) 87 (+12) 31
20FT WND AM(MPH) LGT/VAR SW 6
20FT WND PM(MPH) SE 7 S 6 SW 9 G20
PRECIP AMOUNT 0.00 0.00 0.00
PRECIP DURATION
PRECIP BEGIN
PRECIP END
MIXING HGT (FT-AGL) 2930 460 6230
TRANSPORT WND (KTS) S 11 SW 13 W 17
VENT RATE (KT-FT) 32230 5980 105910
MAX ADI EARLY 26 FAIR 22 FAIR 42 GEN GOOD
MAX ADI LATE 37 FAIR 16 GEN POOR 68 GOOD
MAX LVORI EARLY 1 4 1
MAX LVORI LATE 1 4 1
MIN VSBY EARLY 9 9 9
MIN VSBY LATE 9 9 9
SUNSHINE HOURS N/A N/A N/A
CWR 0 0 0
REMARKS...NONE.
FORECAST FOR DAYS 3 THROUGH 7
TUESDAY NIGHT
PARTLY CLOUDY. LOWS IN THE UPPER 60S. SOUTHWEST
WINDS 10 TO 15 MPH.
WEDNESDAY
SHOWERS. HIGHS IN THE LOWER 90S. WEST WINDS 10 TO
15 MPH.
WEDNESDAY NIGHT
MOSTLY CLOUDY WITH SHOWERS LIKELY. COOLER.
LOWS IN THE MID 50S. NORTHWEST WINDS 10 TO 15 MPH.
THURSDAY AND THURSDAY NIGHT
PARTLY CLOUDY. MUCH COOLER. LOWS
49 TO 54. HIGHS IN THE UPPER 60S. NORTH WINDS 5 TO 10 MPH.
FRIDAY
MOSTLY SUNNY. HIGHS IN THE MID 60S. NORTHEAST WINDS
AROUND 5 MPH, BECOMING SOUTHEAST IN THE AFTERNOON.
FRIDAY NIGHT
MOSTLY CLOUDY WITH A CHANCE OF SHOWERS. LOWS IN
THE UPPER 40S. SOUTH WINDS 5 TO 10 MPH.
SATURDAY THROUGH SUNDAY
MOSTLY CLOUDY WITH SHOWERS LIKELY.
LOWS IN THE UPPER 40S. HIGHS IN THE LOWER 60S. EAST WINDS 5 TO
10 MPH.
MAZ013-182000-
WESTERN NORFOLK MA-
INCLUDING THE CITIES OF FOXBOROUGH AND NORWOOD
409 AM EDT MON MAY 18 2026
TODAY TONIGHT TUE
CLOUD COVER PCLDY MCLEAR PCLDY
PRECIP TYPE NONE NONE TSTMS
CHANCE PRECIP (%) 20
CHANCE OF THUNDER (%) 0 0 0
TEMP (24H TREND) 80 (-5) 61 (+4) 94
RH % (24H TREND) 38 (+5) 90 (+9) 34
20FT WND AM(MPH) LGT/VAR SW 5
20FT WND PM(MPH) S 6 S 5 SW 8 G21
PRECIP AMOUNT 0.00 0.00 0.00
PRECIP DURATION
PRECIP BEGIN
PRECIP END
MIXING HGT (FT-AGL) 3530 440 8000
TRANSPORT WND (KTS) S 14 SW 11 W 21
VENT RATE (KT-FT) 49420 4840 168000
MAX ADI EARLY 41 GEN GOOD 37 FAIR 51 GEN GOOD
MAX ADI LATE 62 GOOD 12 POOR 104 VERY GOOD
MAX LVORI EARLY 1 5 1
MAX LVORI LATE 1 5 1
MIN VSBY EARLY 9 9 8
MIN VSBY LATE 9 8 9
SUNSHINE HOURS N/A N/A N/A
CWR 0 0
REMARKS...NONE.
FORECAST FOR DAYS 3 THROUGH 7
TUESDAY NIGHT
PARTLY CLOUDY. LOWS IN THE UPPER 60S. SOUTHWEST
WINDS 5 TO 10 MPH.
WEDNESDAY
SHOWERS. HIGHS IN THE LOWER 90S. WEST WINDS 5 TO
10 MPH.
WEDNESDAY NIGHT
MOSTLY CLOUDY WITH SHOWERS LIKELY. COOLER.
LOWS IN THE LOWER 50S. NORTHWEST WINDS 5 TO 10 MPH.
THURSDAY AND THURSDAY NIGHT
PARTLY CLOUDY. MUCH COOLER. LOWS
47 TO 53. HIGHS IN THE UPPER 60S. NORTH WINDS AROUND 5 MPH.
FRIDAY
MOSTLY SUNNY. HIGHS IN THE UPPER 60S. NORTHEAST WINDS
AROUND 5 MPH, BECOMING SOUTHEAST AROUND 5 MPH IN THE AFTERNOON.
FRIDAY NIGHT
MOSTLY CLOUDY WITH A CHANCE OF SHOWERS. LOWS IN
THE UPPER 40S. SOUTH WINDS AROUND 5 MPH.
SATURDAY THROUGH SUNDAY
MOSTLY CLOUDY WITH SHOWERS LIKELY.
LOWS IN THE UPPER 40S. HIGHS IN THE MID 60S. EAST WINDS AROUND
5 MPH.
MAZ014-182000-
SOUTHEAST MIDDLESEX MA-
INCLUDING THE CITY OF CAMBRIDGE
409 AM EDT MON MAY 18 2026
TODAY TONIGHT TUE
CLOUD COVER PCLDY MCLEAR PCLDY
PRECIP TYPE NONE NONE TSTMS
CHANCE PRECIP (%) 20
CHANCE OF THUNDER (%) 0 0 10
TEMP (24H TREND) 78 (-7) 63 (+5) 95
RH % (24H TREND) 38 (+5) 81 (+6) 31
20FT WND AM(MPH) LGT/VAR SW 5
20FT WND PM(MPH) E 7 S 5 SW 9 G21
PRECIP AMOUNT 0.00 0.00 0.01
PRECIP DURATION 0
PRECIP BEGIN 3 PM
PRECIP END 5 PM
MIXING HGT (FT-AGL) 2800 460 8700
TRANSPORT WND (KTS) SE 12 SW 11 W 19
VENT RATE (KT-FT) 33600 5060 165300
MAX ADI EARLY 31 FAIR 24 FAIR 71 GOOD
MAX ADI LATE 41 GEN GOOD 13 GEN POOR 104 VERY GOOD
MAX LVORI EARLY 1 4 1
MAX LVORI LATE 1 4 1
MIN VSBY EARLY 9 9 9
MIN VSBY LATE 9 9 9
SUNSHINE HOURS N/A N/A N/A
CWR 0 0 10
REMARKS...NONE.
FORECAST FOR DAYS 3 THROUGH 7
TUESDAY NIGHT
PARTLY CLOUDY. LOWS IN THE LOWER 70S. SOUTHWEST
WINDS 5 TO 10 MPH.
WEDNESDAY
MOSTLY SUNNY WITH SHOWERS LIKELY. HIGHS IN THE LOWER
90S. WEST WINDS 5 TO 10 MPH.
WEDNESDAY NIGHT
MOSTLY CLOUDY WITH SHOWERS LIKELY. COOLER.
LOWS IN THE MID 50S. NORTHWEST WINDS 5 TO 10 MPH.
THURSDAY
MOSTLY SUNNY. MUCH COOLER. HIGHS IN THE UPPER 60S.
NORTHWEST WINDS 5 TO 10 MPH.
THURSDAY NIGHT
MOSTLY CLEAR. LOWS IN THE UPPER 40S. NORTH
WINDS AROUND 5 MPH.
FRIDAY
MOSTLY SUNNY. HIGHS IN THE UPPER 60S. NORTHEAST WINDS
AROUND 5 MPH, BECOMING SOUTHEAST AROUND 5 MPH IN THE AFTERNOON.
FRIDAY NIGHT
MOSTLY CLOUDY WITH A CHANCE OF SHOWERS. LOWS IN
THE UPPER 40S. SOUTH WINDS AROUND 5 MPH.
SATURDAY AND SATURDAY NIGHT
MOSTLY CLOUDY WITH SHOWERS LIKELY.
LOWS IN THE UPPER 40S. HIGHS IN THE LOWER 60S. NORTHEAST WINDS
AROUND 5 MPH.
SUNDAY
MOSTLY CLOUDY WITH A CHANCE OF SHOWERS. HIGHS IN THE
MID 60S. NORTHEAST WINDS AROUND 5 MPH.
MAZ007-182000-
EASTERN ESSEX MA-
INCLUDING THE CITY OF GLOUCESTER
409 AM EDT MON MAY 18 2026
TODAY TONIGHT TUE
CLOUD COVER PCLDY MCLEAR PCLDY
PRECIP TYPE NONE NONE TSTMS
CHANCE PRECIP (%) 10 20
CHANCE OF THUNDER (%) 0 0 0
TEMP (24H TREND) 71 (-10) 57 (+2) 94
RH % (24H TREND) 44 (+10) 93 (+9) 32
20FT WND AM(MPH) LGT/VAR SW 5
20FT WND PM(MPH) SE 6 S 5 SW 8 G19
PRECIP AMOUNT 0.00 0.00 0.01
PRECIP DURATION 0
PRECIP BEGIN 3 PM
PRECIP END 5 PM
MIXING HGT (FT-AGL) 1610 410 5730
TRANSPORT WND (KTS) SE 11 S 11 W 16
VENT RATE (KT-FT) 17710 4510 91680
MAX ADI EARLY 14 GEN POOR 14 GEN POOR 37 FAIR
MAX ADI LATE 17 GEN POOR 14 GEN POOR 66 GOOD
MAX LVORI EARLY 2 5 1
MAX LVORI LATE 2 5 1
MIN VSBY EARLY 9 9 9
MIN VSBY LATE 9 8 9
SUNSHINE HOURS N/A N/A N/A
CWR 0 0 10
REMARKS...NONE.
FORECAST FOR DAYS 3 THROUGH 7
TUESDAY NIGHT
PARTLY CLOUDY. LOWS IN THE UPPER 60S. SOUTHWEST
WINDS 10 TO 15 MPH.
WEDNESDAY
MOSTLY SUNNY WITH SHOWERS LIKELY. HIGHS IN THE MID
80S. WEST WINDS 10 TO 15 MPH.
WEDNESDAY NIGHT
MOSTLY CLOUDY WITH SHOWERS LIKELY. COOLER.
LOWS IN THE LOWER 50S. NORTHWEST WINDS 10 TO 15 MPH.
THURSDAY
MOSTLY SUNNY. MUCH COOLER. HIGHS IN THE MID 60S.
NORTHWEST WINDS 5 TO 10 MPH.
THURSDAY NIGHT
MOSTLY CLEAR. LOWS IN THE UPPER 40S. NORTHWEST
WINDS 5 TO 10 MPH.
FRIDAY
MOSTLY SUNNY. HIGHS IN THE LOWER 60S. NORTHEAST WINDS
AROUND 5 MPH, BECOMING SOUTHEAST IN THE AFTERNOON.
FRIDAY NIGHT
MOSTLY CLOUDY WITH A CHANCE OF SHOWERS. LOWS IN
THE UPPER 40S. SOUTH WINDS 5 TO 10 MPH.
SATURDAY AND SATURDAY NIGHT
MOSTLY CLOUDY WITH SHOWERS LIKELY.
LOWS IN THE UPPER 40S. HIGHS AROUND 60. NORTHEAST WINDS 5 TO
10 MPH.
SUNDAY
MOSTLY CLOUDY WITH A CHANCE OF SHOWERS. HIGHS IN THE
LOWER 60S. NORTHEAST WINDS 5 TO 10 MPH.
MAZ006-182000-
WESTERN ESSEX MA-
INCLUDING THE CITY OF LAWRENCE
409 AM EDT MON MAY 18 2026
TODAY TONIGHT TUE
CLOUD COVER PCLDY MCLEAR PCLDY
PRECIP TYPE NONE NONE NONE
CHANCE PRECIP (%) 20
CHANCE OF THUNDER (%) 0 0 0
TEMP (24H TREND) 74 (-10) 58 (+2) 94
RH % (24H TREND) 37 (+5) 87 (+9) 31
20FT WND AM(MPH) LGT/VAR LGT/VAR
20FT WND PM(MPH) SE 6 LGT/VAR SW 8 G20
PRECIP AMOUNT 0.00 0.00 0.00
PRECIP DURATION
PRECIP BEGIN
PRECIP END
MIXING HGT (FT-AGL) 2950 430 8400
TRANSPORT WND (KTS) S 12 SW 10 W 20
VENT RATE (KT-FT) 35400 4300 168000
MAX ADI EARLY 33 FAIR 15 GEN POOR 93 GOOD
MAX ADI LATE 46 GEN GOOD 11 POOR 105 VERY GOOD
MAX LVORI EARLY 2 4 1
MAX LVORI LATE 2 4 1
MIN VSBY EARLY 9 9 9
MIN VSBY LATE 9 8 9
SUNSHINE HOURS N/A N/A N/A
CWR 0 0 0
REMARKS...NONE.
FORECAST FOR DAYS 3 THROUGH 7
TUESDAY NIGHT
PARTLY CLOUDY. LOWS IN THE LOWER 70S. SOUTHWEST
WINDS 5 TO 10 MPH.
WEDNESDAY
MOSTLY SUNNY WITH SHOWERS LIKELY. HIGHS AROUND 90.
WEST WINDS 5 TO 10 MPH.
WEDNESDAY NIGHT
MOSTLY CLOUDY WITH A CHANCE OF SHOWERS.
COOLER. LOWS IN THE LOWER 50S. NORTHWEST WINDS 5 TO 10 MPH.
THURSDAY
MOSTLY SUNNY. MUCH COOLER. HIGHS IN THE UPPER 60S.
NORTHWEST WINDS 5 TO 10 MPH.
THURSDAY NIGHT
MOSTLY CLEAR. LOWS IN THE MID 40S. NORTHWEST
WINDS AROUND 5 MPH.
FRIDAY
MOSTLY SUNNY. HIGHS IN THE MID 60S. NORTHEAST WINDS
AROUND 5 MPH, BECOMING SOUTHEAST AROUND 5 MPH IN THE AFTERNOON.
FRIDAY NIGHT
MOSTLY CLOUDY WITH A CHANCE OF SHOWERS. LOWS IN
THE UPPER 40S. SOUTH WINDS AROUND 5 MPH.
SATURDAY
MOSTLY CLOUDY WITH SHOWERS LIKELY. HIGHS IN THE LOWER
60S. SOUTHEAST WINDS AROUND 5 MPH.
SATURDAY NIGHT AND SUNDAY
MOSTLY CLOUDY WITH A CHANCE OF
SHOWERS. LOWS IN THE UPPER 40S. HIGHS IN THE MID 60S. EAST WINDS
AROUND 5 MPH.
MAZ005-182000-
CENTRAL MIDDLESEX MA-
INCLUDING THE CITIES OF FRAMINGHAM AND LOWELL
409 AM EDT MON MAY 18 2026
TODAY TONIGHT TUE
CLOUD COVER PCLDY MCLEAR PCLDY
PRECIP TYPE NONE NONE TSTMS
CHANCE PRECIP (%) 20
CHANCE OF THUNDER (%) 0 0 10
TEMP (24H TREND) 82 (-3) 62 (+5) 95
RH % (24H TREND) 37 (+5) 84 (+3) 32
20FT WND AM(MPH) LGT/VAR LGT/VAR
20FT WND PM(MPH) SE 6 LGT/VAR SW 8 G20
PRECIP AMOUNT 0.00 0.00 0.01
PRECIP DURATION 0
PRECIP BEGIN 3 PM
PRECIP END 5 PM
MIXING HGT (FT-AGL) 3880 430 8490
TRANSPORT WND (KTS) S 13 SW 10 W 20
VENT RATE (KT-FT) 50440 4300 169800
MAX ADI EARLY 42 GEN GOOD 36 FAIR 77 GOOD
MAX ADI LATE 63 GOOD 12 POOR 105 VERY GOOD
MAX LVORI EARLY 1 4 1
MAX LVORI LATE 1 4 1
MIN VSBY EARLY 9 9 9
MIN VSBY LATE 9 9 8
SUNSHINE HOURS N/A N/A N/A
CWR 0 0 10
REMARKS...NONE.
FORECAST FOR DAYS 3 THROUGH 7
TUESDAY NIGHT
PARTLY CLOUDY. LOWS IN THE LOWER 70S. SOUTHWEST
WINDS 5 TO 10 MPH.
WEDNESDAY
MOSTLY SUNNY WITH SHOWERS LIKELY. HIGHS IN THE LOWER
90S. WEST WINDS 10 TO 15 MPH.
WEDNESDAY NIGHT
MOSTLY CLOUDY WITH SHOWERS LIKELY. COOLER.
LOWS IN THE LOWER 50S. NORTHWEST WINDS 5 TO 10 MPH.
THURSDAY
MOSTLY SUNNY. MUCH COOLER. HIGHS IN THE UPPER 60S.
NORTHWEST WINDS 5 TO 10 MPH.
THURSDAY NIGHT
MOSTLY CLEAR. LOWS IN THE MID 40S. NORTH WINDS
AROUND 5 MPH.
FRIDAY
MOSTLY SUNNY. HIGHS IN THE UPPER 60S. NORTHEAST WINDS
AROUND 5 MPH, BECOMING SOUTHEAST IN THE AFTERNOON.
FRIDAY NIGHT
MOSTLY CLOUDY WITH A CHANCE OF SHOWERS. LOWS IN
THE UPPER 40S. SOUTH WINDS AROUND 5 MPH.
SATURDAY AND SATURDAY NIGHT
MOSTLY CLOUDY WITH SHOWERS LIKELY.
LOWS IN THE UPPER 40S. HIGHS IN THE LOWER 60S. NORTHEAST WINDS
AROUND 5 MPH.
SUNDAY
MOSTLY CLOUDY WITH A CHANCE OF SHOWERS. HIGHS IN THE
MID 60S. NORTHEAST WINDS AROUND 5 MPH.
MAZ012-182000-
SOUTHERN WORCESTER MA-
INCLUDING THE CITIES OF MILFORD AND WORCESTER
409 AM EDT MON MAY 18 2026
TODAY TONIGHT TUE
CLOUD COVER MCLEAR MCLEAR PCLDY
PRECIP TYPE NONE NONE TSTMS
CHANCE PRECIP (%) 20
CHANCE OF THUNDER (%) 0 0 10
TEMP (24H TREND) 84 (0) 63 (+5) 95
RH % (24H TREND) 37 (0) 84 (0) 34
20FT WND AM(MPH) LGT/VAR SW 5 G17
20FT WND PM(MPH) S 6 G17 S 6 SW 9 G22
PRECIP AMOUNT 0.00 0.00 0.00
PRECIP DURATION
PRECIP BEGIN
PRECIP END
MIXING HGT (FT-AGL) 3510 430 8030
TRANSPORT WND (KTS) S 13 SW 11 W 22
VENT RATE (KT-FT) 45630 4730 176660
MAX ADI EARLY 42 GEN GOOD 48 GEN GOOD 54 GEN GOOD
MAX ADI LATE 63 GOOD 13 GEN POOR 93 GOOD
MAX LVORI EARLY 1 4 1
MAX LVORI LATE 1 4 1
MIN VSBY EARLY 9 9 8
MIN VSBY LATE 9 9 8
SUNSHINE HOURS N/A N/A N/A
CWR 0 0
REMARKS...NONE.
FORECAST FOR DAYS 3 THROUGH 7
TUESDAY NIGHT
PARTLY CLOUDY. LOWS AROUND 70. SOUTHWEST WINDS
5 TO 10 MPH.
WEDNESDAY
SHOWERS. HIGHS IN THE LOWER 90S. WEST WINDS 10 TO
15 MPH.
WEDNESDAY NIGHT
MOSTLY CLOUDY WITH SHOWERS LIKELY. COOLER.
LOWS IN THE LOWER 50S. NORTHWEST WINDS 10 TO 15 MPH.
THURSDAY
MOSTLY SUNNY. MUCH COOLER. HIGHS IN THE UPPER 60S.
NORTHWEST WINDS 5 TO 10 MPH.
THURSDAY NIGHT
MOSTLY CLEAR. LOWS IN THE MID 40S. NORTH WINDS
AROUND 5 MPH.
FRIDAY
MOSTLY SUNNY. HIGHS IN THE UPPER 60S. NORTHEAST WINDS
AROUND 5 MPH, BECOMING SOUTHEAST IN THE AFTERNOON.
FRIDAY NIGHT
MOSTLY CLOUDY WITH A CHANCE OF SHOWERS. LOWS IN
THE UPPER 40S. SOUTH WINDS AROUND 5 MPH.
SATURDAY THROUGH SUNDAY
MOSTLY CLOUDY WITH SHOWERS LIKELY.
LOWS IN THE UPPER 40S. HIGHS IN THE MID 60S. EAST WINDS AROUND
5 MPH.
MAZ004-182000-
NORTHERN WORCESTER MA-
INCLUDING THE CITIES OF BARRE AND FITCHBURG
409 AM EDT MON MAY 18 2026
TODAY TONIGHT TUE
CLOUD COVER PCLDY MCLEAR PCLDY
PRECIP TYPE NONE NONE TSTMS
CHANCE PRECIP (%) 10 20
CHANCE OF THUNDER (%) 0 0 10
TEMP (24H TREND) 84 (+2) 63 (+7) 92
RH % (24H TREND) 36 (+2) 87 (-3) 33
20FT WND AM(MPH) LGT/VAR SW 5 G18
20FT WND PM(MPH) S 6 G17 SW 5 W 9 G23
PRECIP AMOUNT 0.00 0.00 0.01
PRECIP DURATION 0
PRECIP BEGIN 2 PM
PRECIP END 5 PM
MIXING HGT (FT-AGL) 3870 420 8550
TRANSPORT WND (KTS) S 14 SW 11 W 21
VENT RATE (KT-FT) 54180 4620 179550
MAX ADI EARLY 40 FAIR 41 GEN GOOD 67 GOOD
MAX ADI LATE 72 GOOD 13 GEN POOR 99 GOOD
MAX LVORI EARLY 1 4 1
MAX LVORI LATE 1 4 1
MIN VSBY EARLY 9 9 9
MIN VSBY LATE 9 9 8
SUNSHINE HOURS N/A N/A N/A
CWR 0 0 10
REMARKS...NONE.
FORECAST FOR DAYS 3 THROUGH 7
TUESDAY NIGHT
PARTLY CLOUDY. LOWS IN THE UPPER 60S. SOUTHWEST
WINDS 5 TO 10 MPH.
WEDNESDAY AND WEDNESDAY NIGHT
PARTLY CLOUDY. SHOWERS LIKELY.
LOWS 49 TO 69. HIGHS IN THE UPPER 80S. NORTHWEST WINDS 10 TO
15 MPH.
THURSDAY
MOSTLY SUNNY. MUCH COOLER. HIGHS IN THE MID 60S.
NORTHWEST WINDS 5 TO 10 MPH.
THURSDAY NIGHT
MOSTLY CLEAR. LOWS IN THE LOWER 40S. NORTH
WINDS AROUND 5 MPH.
FRIDAY
MOSTLY SUNNY. HIGHS IN THE MID 60S. NORTHEAST WINDS
AROUND 5 MPH, BECOMING SOUTH IN THE AFTERNOON.
FRIDAY NIGHT
MOSTLY CLOUDY WITH A CHANCE OF SHOWERS. LOWS IN
THE MID 40S. SOUTH WINDS AROUND 5 MPH.
SATURDAY AND SATURDAY NIGHT
MOSTLY CLOUDY WITH SHOWERS LIKELY.
LOWS IN THE MID 40S. HIGHS IN THE LOWER 60S. NORTHEAST WINDS 5 TO
10 MPH.
SUNDAY
MOSTLY CLOUDY WITH A CHANCE OF SHOWERS. HIGHS IN THE
MID 60S. EAST WINDS AROUND 5 MPH.
MAZ026-182000-
NORTHERN MIDDLESEX MA-
INCLUDING THE CITY OF AYER
409 AM EDT MON MAY 18 2026
TODAY TONIGHT TUE
CLOUD COVER PCLDY MCLEAR PCLDY
PRECIP TYPE NONE NONE NONE
CHANCE PRECIP (%) 10 20
CHANCE OF THUNDER (%) 0 0 0
TEMP (24H TREND) 82 (-1) 62 (+6) 94
RH % (24H TREND) 38 (+4) 78 (-3) 34
20FT WND AM(MPH) LGT/VAR LGT/VAR
20FT WND PM(MPH) SE 5 LGT/VAR W 7 G23
PRECIP AMOUNT 0.00 0.00 0.00
PRECIP DURATION
PRECIP BEGIN
PRECIP END
MIXING HGT (FT-AGL) 4230 440 8110
TRANSPORT WND (KTS) S 14 W 11 W 22
VENT RATE (KT-FT) 59220 4840 178420
MAX ADI EARLY 41 GEN GOOD 43 GEN GOOD 87 GOOD
MAX ADI LATE 79 GOOD 11 POOR 105 VERY GOOD
MAX LVORI EARLY 1 4 1
MAX LVORI LATE 1 4 1
MIN VSBY EARLY 9 9 9
MIN VSBY LATE 9 9 9
SUNSHINE HOURS N/A N/A N/A
CWR 0 0 0
REMARKS...NONE.
FORECAST FOR DAYS 3 THROUGH 7
TUESDAY NIGHT
PARTLY CLOUDY. LOWS AROUND 70. SOUTHWEST WINDS
5 TO 10 MPH.
WEDNESDAY
MOSTLY SUNNY WITH SHOWERS LIKELY. HIGHS IN THE UPPER
80S. WEST WINDS 5 TO 10 MPH.
WEDNESDAY NIGHT
PARTLY CLOUDY WITH A CHANCE OF SHOWERS.
COOLER. LOWS AROUND 50. NORTHWEST WINDS 5 TO 10 MPH.
THURSDAY
MOSTLY SUNNY. MUCH COOLER. HIGHS IN THE MID 60S.
NORTHWEST WINDS AROUND 5 MPH.
THURSDAY NIGHT
MOSTLY CLEAR. LOWS IN THE MID 40S. NORTHWEST
WINDS AROUND 5 MPH.
FRIDAY
MOSTLY SUNNY. HIGHS IN THE UPPER 60S. NORTHEAST WINDS
AROUND 5 MPH, BECOMING SOUTH IN THE AFTERNOON.
FRIDAY NIGHT
MOSTLY CLOUDY WITH A CHANCE OF SHOWERS. LOWS IN
THE MID 40S. SOUTH WINDS AROUND 5 MPH.
SATURDAY AND SATURDAY NIGHT
MOSTLY CLOUDY WITH SHOWERS LIKELY.
LOWS IN THE MID 40S. HIGHS IN THE LOWER 60S. NORTHEAST WINDS
AROUND 5 MPH.
SUNDAY
MOSTLY CLOUDY WITH A CHANCE OF SHOWERS. HIGHS IN THE
MID 60S. EAST WINDS AROUND 5 MPH.
MAZ002-182000-
WESTERN FRANKLIN MA-
INCLUDING THE CITY OF CHARLEMONT
409 AM EDT MON MAY 18 2026
TODAY TONIGHT TUE
CLOUD COVER PCLDY MCLEAR PCLDY
PRECIP TYPE NONE NONE TSTMS
CHANCE PRECIP (%) 20 10 20
CHANCE OF THUNDER (%) 0 0 20
TEMP (24H TREND) 87 (+8) 63 (+8) 93
RH % (24H TREND) 39 (+1) 87 (-3) 30
20FT WND AM(MPH) LGT/VAR LGT/VAR
20FT WND PM(MPH) S 5 LGT/VAR W 7 G21
PRECIP AMOUNT 0.00 0.00 0.00
PRECIP DURATION
PRECIP BEGIN
PRECIP END
MIXING HGT (FT-AGL) 4880 400 7710
TRANSPORT WND (KTS) SW 17 SW 9 W 21
VENT RATE (KT-FT) 82960 3600 161910
MAX ADI EARLY 42 GEN GOOD 36 FAIR 105 VERY GOOD
MAX ADI LATE 103 VERY GOOD10 POOR 105 VERY GOOD
MAX LVORI EARLY 1 4 1
MAX LVORI LATE 1 4 1
MIN VSBY EARLY 9 9 9
MIN VSBY LATE 9 9 9
SUNSHINE HOURS N/A N/A N/A
CWR 0 0 10
REMARKS...NONE.
FORECAST FOR DAYS 3 THROUGH 7
TUESDAY NIGHT
PARTLY CLOUDY. LOWS IN THE UPPER 60S. SOUTHWEST
WINDS 5 TO 10 MPH.
WEDNESDAY
PARTLY SUNNY WITH SHOWERS LIKELY. HIGHS IN THE LOWER
80S. WEST WINDS 10 TO 15 MPH.
WEDNESDAY NIGHT
PARTLY CLOUDY WITH SHOWERS LIKELY. MUCH
COOLER. LOWS IN THE MID 40S. NORTHWEST WINDS 10 TO 15 MPH.
THURSDAY
MOSTLY SUNNY. COOLER. HIGHS IN THE LOWER 60S.
NORTHWEST WINDS 5 TO 10 MPH.
THURSDAY NIGHT
MOSTLY CLEAR. LOWS IN THE LOWER 40S. NORTH
WINDS AROUND 5 MPH.
FRIDAY
MOSTLY SUNNY. HIGHS IN THE MID 60S. NORTHEAST WINDS
AROUND 5 MPH, BECOMING SOUTHEAST IN THE AFTERNOON.
FRIDAY NIGHT
MOSTLY CLOUDY WITH A CHANCE OF SHOWERS. LOWS IN
THE MID 40S. SOUTH WINDS AROUND 5 MPH.
SATURDAY THROUGH SUNDAY
MOSTLY CLOUDY WITH SHOWERS LIKELY.
LOWS IN THE MID 40S. HIGHS IN THE LOWER 60S. NORTH WINDS AROUND
5 MPH.
MAZ003-182000-
EASTERN FRANKLIN MA-
INCLUDING THE CITIES OF GREENFIELD AND ORANGE
409 AM EDT MON MAY 18 2026
TODAY TONIGHT TUE
CLOUD COVER PCLDY MCLEAR PCLDY
PRECIP TYPE NONE NONE TSTMS
CHANCE PRECIP (%) 10 10 20
CHANCE OF THUNDER (%) 0 0 20
TEMP (24H TREND) 88 (+6) 63 (+7) 95
RH % (24H TREND) 38 (+1) 87 (-3) 31
20FT WND AM(MPH) LGT/VAR LGT/VAR
20FT WND PM(MPH) S 6 G18 S 6 G17 SW 8 G21
PRECIP AMOUNT 0.00 0.00 0.01
PRECIP DURATION 0
PRECIP BEGIN 2 PM
PRECIP END 4 PM
MIXING HGT (FT-AGL) 4030 380 8370
TRANSPORT WND (KTS) S 15 SW 7 W 20
VENT RATE (KT-FT) 60450 2660 167400
MAX ADI EARLY 43 GEN GOOD 37 FAIR 90 GOOD
MAX ADI LATE 75 GOOD 9 POOR 104 VERY GOOD
MAX LVORI EARLY 1 5 1
MAX LVORI LATE 1 5 1
MIN VSBY EARLY 9 9 9
MIN VSBY LATE 9 9 9
SUNSHINE HOURS N/A N/A N/A
CWR 0 0 10
REMARKS...NONE.
FORECAST FOR DAYS 3 THROUGH 7
TUESDAY NIGHT
PARTLY CLOUDY. LOWS IN THE UPPER 60S. SOUTHWEST
WINDS 5 TO 10 MPH.
WEDNESDAY
PARTLY SUNNY WITH SHOWERS LIKELY. HIGHS IN THE UPPER
80S. WEST WINDS 10 TO 15 MPH.
WEDNESDAY NIGHT
PARTLY CLOUDY WITH SHOWERS LIKELY. COOLER.
LOWS IN THE UPPER 40S. NORTHWEST WINDS 10 TO 15 MPH.
THURSDAY
MOSTLY SUNNY. MUCH COOLER. HIGHS IN THE MID 60S.
NORTHWEST WINDS 5 TO 10 MPH.
THURSDAY NIGHT
MOSTLY CLEAR. LOWS IN THE LOWER 40S. NORTH
WINDS AROUND 5 MPH.
FRIDAY
MOSTLY SUNNY. HIGHS IN THE UPPER 60S. NORTHEAST WINDS
AROUND 5 MPH, BECOMING SOUTH IN THE AFTERNOON.
FRIDAY NIGHT
MOSTLY CLOUDY WITH A CHANCE OF SHOWERS. LOWS IN
THE MID 40S. SOUTH WINDS AROUND 5 MPH.
SATURDAY THROUGH SUNDAY
MOSTLY CLOUDY WITH SHOWERS LIKELY.
LOWS IN THE UPPER 40S. HIGHS IN THE MID 60S. EAST WINDS AROUND
5 MPH.
MAZ008-182000-
WESTERN HAMPSHIRE MA-
INCLUDING THE CITY OF CHESTERFIELD
409 AM EDT MON MAY 18 2026
TODAY TONIGHT TUE
CLOUD COVER PCLDY MCLEAR PCLDY
PRECIP TYPE NONE NONE TSTMS
CHANCE PRECIP (%) 20 10 20
CHANCE OF THUNDER (%) 0 0 20
TEMP (24H TREND) 87 (+6) 64 (+8) 93
RH % (24H TREND) 39 (+1) 84 (-6) 32
20FT WND AM(MPH) LGT/VAR LGT/VAR
20FT WND PM(MPH) S 6 G17 LGT/VAR W 8 G21
PRECIP AMOUNT 0.00 0.00 0.01
PRECIP DURATION 0
PRECIP BEGIN 2 PM
PRECIP END 4 PM
MIXING HGT (FT-AGL) 4980 420 8090
TRANSPORT WND (KTS) SW 17 SW 10 W 21
VENT RATE (KT-FT) 84660 4200 169890
MAX ADI EARLY 39 FAIR 49 GEN GOOD 105 VERY GOOD
MAX ADI LATE 105 VERY GOOD12 POOR 105 VERY GOOD
MAX LVORI EARLY 1 4 1
MAX LVORI LATE 1 4 1
MIN VSBY EARLY 9 9 9
MIN VSBY LATE 9 9 9
SUNSHINE HOURS N/A N/A N/A
CWR 0 0 10
REMARKS...NONE.
FORECAST FOR DAYS 3 THROUGH 7
TUESDAY NIGHT
PARTLY CLOUDY. LOWS IN THE UPPER 60S. SOUTHWEST
WINDS 5 TO 10 MPH.
WEDNESDAY
SHOWERS. HIGHS IN THE MID 80S. WEST WINDS 10 TO
15 MPH.
WEDNESDAY NIGHT
PARTLY CLOUDY WITH SHOWERS LIKELY. MUCH
COOLER. LOWS IN THE MID 40S. NORTHWEST WINDS 10 TO 15 MPH.
THURSDAY
MOSTLY SUNNY. COOLER. HIGHS IN THE MID 60S. NORTHWEST
WINDS 5 TO 10 MPH.
THURSDAY NIGHT
MOSTLY CLEAR. LOWS IN THE LOWER 40S. NORTH
WINDS AROUND 5 MPH.
FRIDAY
MOSTLY SUNNY. HIGHS IN THE MID 60S. NORTHEAST WINDS
AROUND 5 MPH, BECOMING SOUTHEAST IN THE AFTERNOON.
FRIDAY NIGHT
MOSTLY CLOUDY WITH A CHANCE OF SHOWERS. LOWS IN
THE MID 40S. SOUTHEAST WINDS AROUND 5 MPH.
SATURDAY THROUGH SUNDAY
MOSTLY CLOUDY WITH SHOWERS LIKELY.
LOWS IN THE MID 40S. HIGHS IN THE LOWER 60S. NORTH WINDS AROUND
5 MPH.
MAZ010-182000-
EASTERN HAMPSHIRE MA-
INCLUDING THE CITIES OF AMHERST AND NORTHAMPTON
409 AM EDT MON MAY 18 2026
TODAY TONIGHT TUE
CLOUD COVER PCLDY MCLEAR PCLDY
PRECIP TYPE NONE NONE TSTMS
CHANCE PRECIP (%) 10 10 20
CHANCE OF THUNDER (%) 0 0 20
TEMP (24H TREND) 90 (+6) 64 (+6) 97
RH % (24H TREND) 38 (+2) 87 (0) 31
20FT WND AM(MPH) LGT/VAR LGT/VAR
20FT WND PM(MPH) S 8 G18 S 7 G18 SW 9 G22
PRECIP AMOUNT 0.00 0.00 0.01
PRECIP DURATION 0
PRECIP BEGIN 2 PM
PRECIP END 4 PM
MIXING HGT (FT-AGL) 4360 390 8880
TRANSPORT WND (KTS) S 15 S 8 W 20
VENT RATE (KT-FT) 65400 3120 177600
MAX ADI EARLY 41 GEN GOOD 38 FAIR 62 GOOD
MAX ADI LATE 75 GOOD 9 POOR 104 VERY GOOD
MAX LVORI EARLY 1 5 1
MAX LVORI LATE 1 5 1
MIN VSBY EARLY 9 9 9
MIN VSBY LATE 9 9 9
SUNSHINE HOURS N/A N/A N/A
CWR 0 0 10
REMARKS...NONE.
FORECAST FOR DAYS 3 THROUGH 7
TUESDAY NIGHT
PARTLY CLOUDY. LOWS IN THE LOWER 70S. SOUTHWEST
WINDS 5 TO 10 MPH.
WEDNESDAY
SHOWERS. HIGHS AROUND 90. WEST WINDS 10 TO 15 MPH.
WEDNESDAY NIGHT
PARTLY CLOUDY WITH SHOWERS LIKELY. MUCH
COOLER. LOWS AROUND 50. NORTHWEST WINDS 10 TO 15 MPH.
THURSDAY
MOSTLY SUNNY. MUCH COOLER. HIGHS IN THE UPPER 60S.
NORTHWEST WINDS 5 TO 10 MPH.
THURSDAY NIGHT
MOSTLY CLEAR. LOWS IN THE MID 40S. NORTH WINDS
AROUND 5 MPH.
FRIDAY
MOSTLY SUNNY. HIGHS IN THE UPPER 60S. NORTHEAST WINDS
AROUND 5 MPH, BECOMING SOUTH IN THE AFTERNOON.
FRIDAY NIGHT
MOSTLY CLOUDY WITH A CHANCE OF SHOWERS. LOWS IN
THE UPPER 40S. SOUTH WINDS AROUND 5 MPH.
SATURDAY THROUGH SUNDAY
MOSTLY CLOUDY WITH SHOWERS LIKELY.
LOWS IN THE UPPER 40S. HIGHS IN THE MID 60S. NORTH WINDS AROUND
5 MPH.
MAZ009-182000-
WESTERN HAMPDEN MA-
INCLUDING THE CITY OF BLANDFORD
409 AM EDT MON MAY 18 2026
TODAY TONIGHT TUE
CLOUD COVER MCLEAR MCLEAR PCLDY
PRECIP TYPE NONE NONE TSTMS
CHANCE PRECIP (%) 10 10 20
CHANCE OF THUNDER (%) 0 0 20
TEMP (24H TREND) 88 (+6) 64 (+6) 94
RH % (24H TREND) 39 (+2) 81 (-6) 31
20FT WND AM(MPH) LGT/VAR LGT/VAR
20FT WND PM(MPH) S 6 G17 S 5 W 8 G22
PRECIP AMOUNT 0.00 0.00 0.01
PRECIP DURATION 0
PRECIP BEGIN 2 PM
PRECIP END 4 PM
MIXING HGT (FT-AGL) 4860 450 8530
TRANSPORT WND (KTS) SW 17 W 11 W 21
VENT RATE (KT-FT) 82620 4950 179130
MAX ADI EARLY 34 FAIR 57 GEN GOOD 104 VERY GOOD
MAX ADI LATE 104 VERY GOOD13 GEN POOR 105 VERY GOOD
MAX LVORI EARLY 1 4 1
MAX LVORI LATE 1 4 1
MIN VSBY EARLY 9 9 9
MIN VSBY LATE 9 9 9
SUNSHINE HOURS N/A N/A N/A
CWR 0 0 10
REMARKS...NONE.
FORECAST FOR DAYS 3 THROUGH 7
TUESDAY NIGHT
PARTLY CLOUDY. LOWS IN THE UPPER 60S. SOUTHWEST
WINDS 5 TO 10 MPH.
WEDNESDAY
SHOWERS. HIGHS IN THE UPPER 80S. WEST WINDS 10 TO
15 MPH.
WEDNESDAY NIGHT
MOSTLY CLOUDY WITH SHOWERS LIKELY. MUCH
COOLER. LOWS IN THE UPPER 40S. NORTHWEST WINDS 10 TO 15 MPH.
THURSDAY
MOSTLY SUNNY. MUCH COOLER. HIGHS IN THE MID 60S.
NORTHWEST WINDS 5 TO 10 MPH.
THURSDAY NIGHT
PARTLY CLOUDY. LOWS IN THE LOWER 40S. NORTH
WINDS AROUND 5 MPH.
FRIDAY
MOSTLY SUNNY. HIGHS IN THE MID 60S. NORTHEAST WINDS
AROUND 5 MPH, BECOMING SOUTHEAST IN THE AFTERNOON.
FRIDAY NIGHT
MOSTLY CLOUDY WITH A CHANCE OF SHOWERS. LOWS IN
THE MID 40S. SOUTHEAST WINDS AROUND 5 MPH.
SATURDAY
MOSTLY CLOUDY WITH SHOWERS LIKELY. HIGHS IN THE LOWER
60S. EAST WINDS AROUND 5 MPH.
SATURDAY NIGHT AND SUNDAY
MOSTLY CLOUDY WITH SHOWERS LIKELY.
LOWS IN THE UPPER 40S. HIGHS IN THE MID 60S. NORTHEAST WINDS
AROUND 5 MPH.
MAZ011-182000-
EASTERN HAMPDEN MA-
INCLUDING THE CITY OF SPRINGFIELD
409 AM EDT MON MAY 18 2026
TODAY TONIGHT TUE
CLOUD COVER MCLEAR MCLEAR PCLDY
PRECIP TYPE NONE NONE TSTMS
CHANCE PRECIP (%) 20
CHANCE OF THUNDER (%) 0 0 20
TEMP (24H TREND) 88 (+3) 65 (+6) 96
RH % (24H TREND) 37 (+3) 87 (0) 31
20FT WND AM(MPH) LGT/VAR S 5 G17
20FT WND PM(MPH) S 8 G20 S 7 G20 SW 10 G23
PRECIP AMOUNT 0.00 0.00 0.01
PRECIP DURATION 0
PRECIP BEGIN 2 PM
PRECIP END 5 PM
MIXING HGT (FT-AGL) 4310 400 9070
TRANSPORT WND (KTS) S 15 SW 9 W 21
VENT RATE (KT-FT) 64650 3600 190470
MAX ADI EARLY 38 FAIR 40 FAIR 58 GEN GOOD
MAX ADI LATE 65 GOOD 10 POOR 102 VERY GOOD
MAX LVORI EARLY 1 5 1
MAX LVORI LATE 1 5 1
MIN VSBY EARLY 9 9 9
MIN VSBY LATE 9 9 8
SUNSHINE HOURS N/A N/A N/A
CWR 0 0 10
REMARKS...NONE.
FORECAST FOR DAYS 3 THROUGH 7
TUESDAY NIGHT
PARTLY CLOUDY. LOWS IN THE LOWER 70S. SOUTHWEST
WINDS 5 TO 10 MPH.
WEDNESDAY
SHOWERS. HIGHS IN THE LOWER 90S. WEST WINDS 10 TO
15 MPH.
WEDNESDAY NIGHT
MOSTLY CLOUDY WITH SHOWERS LIKELY. COOLER.
LOWS IN THE LOWER 50S. NORTHWEST WINDS 10 TO 15 MPH.
THURSDAY
MOSTLY SUNNY. MUCH COOLER. HIGHS IN THE UPPER 60S.
NORTH WINDS 5 TO 10 MPH.
THURSDAY NIGHT
MOSTLY CLEAR. LOWS IN THE MID 40S. NORTH WINDS
AROUND 5 MPH.
FRIDAY
MOSTLY SUNNY. HIGHS IN THE UPPER 60S. NORTHEAST WINDS
AROUND 5 MPH, BECOMING SOUTH IN THE AFTERNOON.
FRIDAY NIGHT
MOSTLY CLOUDY WITH A CHANCE OF SHOWERS. LOWS IN
THE UPPER 40S. SOUTHEAST WINDS AROUND 5 MPH.
SATURDAY THROUGH SUNDAY
MOSTLY CLOUDY WITH SHOWERS LIKELY.
LOWS IN THE UPPER 40S. HIGHS IN THE MID 60S. NORTHEAST WINDS
AROUND 5 MPH.
CTZ002-182000-
HARTFORD CT-
INCLUDING THE CITIES OF HARTFORD AND WINDSOR LOCKS
409 AM EDT MON MAY 18 2026
TODAY TONIGHT TUE
CLOUD COVER MCLEAR MCLEAR PCLDY
PRECIP TYPE NONE NONE TSTMS
CHANCE PRECIP (%) 20
CHANCE OF THUNDER (%) 0 0 20
TEMP (24H TREND) 88 (+2) 65 (+5) 96
RH % (24H TREND) 36 (+2) 87 (0) 30
20FT WND AM(MPH) LGT/VAR LGT/VAR
20FT WND PM(MPH) S 7 G20 S 6 G20 SW 9 G22
PRECIP AMOUNT 0.00 0.00 0.01
PRECIP DURATION 0
PRECIP BEGIN 2 PM
PRECIP END 6 PM
MIXING HGT (FT-AGL) 4040 390 9090
TRANSPORT WND (KTS) S 15 SW 9 W 20
VENT RATE (KT-FT) 60600 3510 181800
MAX ADI EARLY 30 FAIR 38 FAIR 61 GOOD
MAX ADI LATE 62 GOOD 10 POOR 103 VERY GOOD
MAX LVORI EARLY 1 5 1
MAX LVORI LATE 1 5 1
MIN VSBY EARLY 9 9 8
MIN VSBY LATE 9 8 9
SUNSHINE HOURS N/A N/A N/A
CWR 0 0 10
REMARKS...NONE.
FORECAST FOR DAYS 3 THROUGH 7
TUESDAY NIGHT
PARTLY CLOUDY. LOWS IN THE LOWER 70S. SOUTHWEST
WINDS 5 TO 10 MPH.
WEDNESDAY
SHOWERS AND A CHANCE OF THUNDERSTORMS. HIGHS IN THE
LOWER 90S. WEST WINDS 10 TO 15 MPH.
WEDNESDAY NIGHT
MOSTLY CLOUDY WITH SHOWERS LIKELY. COOLER.
LOWS IN THE LOWER 50S. NORTHWEST WINDS 10 TO 15 MPH.
THURSDAY
MOSTLY SUNNY. MUCH COOLER. HIGHS IN THE UPPER 60S.
NORTH WINDS 5 TO 10 MPH.
THURSDAY NIGHT
PARTLY CLOUDY. LOWS IN THE UPPER 40S. NORTH
WINDS AROUND 5 MPH.
FRIDAY
MOSTLY SUNNY. HIGHS IN THE UPPER 60S. NORTHEAST WINDS
AROUND 5 MPH, BECOMING SOUTHEAST IN THE AFTERNOON.
FRIDAY NIGHT
MOSTLY CLOUDY WITH A CHANCE OF SHOWERS. LOWS IN
THE UPPER 40S. SOUTHEAST WINDS AROUND 5 MPH.
SATURDAY
MOSTLY CLOUDY WITH SHOWERS LIKELY. HIGHS IN THE MID
60S. EAST WINDS AROUND 5 MPH.
SATURDAY NIGHT AND SUNDAY
MOSTLY CLOUDY WITH SHOWERS LIKELY.
LOWS AROUND 50. HIGHS IN THE UPPER 60S. NORTHEAST WINDS AROUND
5 MPH.
CTZ003-182000-
TOLLAND CT-
INCLUDING THE CITIES OF UNION AND VERNON
409 AM EDT MON MAY 18 2026
TODAY TONIGHT TUE
CLOUD COVER MCLEAR MCLEAR PCLDY
PRECIP TYPE NONE NONE TSTMS
CHANCE PRECIP (%) 20
CHANCE OF THUNDER (%) 0 0 10
TEMP (24H TREND) 86 (+1) 63 (+4) 94
RH % (24H TREND) 39 (+2) 87 (0) 34
20FT WND AM(MPH) LGT/VAR SW 5 G17
20FT WND PM(MPH) S 7 G20 S 7 G20 SW 9 G23
PRECIP AMOUNT 0.00 0.00 0.00
PRECIP DURATION
PRECIP BEGIN
PRECIP END
MIXING HGT (FT-AGL) 3180 410 8350
TRANSPORT WND (KTS) S 14 SW 10 W 21
VENT RATE (KT-FT) 44520 4100 175350
MAX ADI EARLY 34 FAIR 30 FAIR 46 GEN GOOD
MAX ADI LATE 49 GEN GOOD 11 POOR 89 GOOD
MAX LVORI EARLY 1 5 1
MAX LVORI LATE 1 5 1
MIN VSBY EARLY 9 9 9
MIN VSBY LATE 9 9 9
SUNSHINE HOURS N/A N/A N/A
CWR 0 0
REMARKS...NONE.
FORECAST FOR DAYS 3 THROUGH 7
TUESDAY NIGHT
PARTLY CLOUDY. LOWS AROUND 70. SOUTHWEST WINDS
5 TO 10 MPH.
WEDNESDAY
SHOWERS AND A CHANCE OF THUNDERSTORMS. HIGHS IN THE
LOWER 90S. WEST WINDS 10 TO 15 MPH.
WEDNESDAY NIGHT
MOSTLY CLOUDY WITH SHOWERS LIKELY. COOLER.
LOWS IN THE LOWER 50S. NORTHWEST WINDS 5 TO 10 MPH.
THURSDAY
MOSTLY SUNNY. MUCH COOLER. HIGHS IN THE UPPER 60S.
NORTH WINDS 5 TO 10 MPH.
THURSDAY NIGHT
PARTLY CLOUDY. LOWS IN THE MID 40S. NORTH WINDS
AROUND 5 MPH.
FRIDAY
MOSTLY SUNNY. HIGHS IN THE UPPER 60S. NORTHEAST WINDS
AROUND 5 MPH, BECOMING SOUTHEAST IN THE AFTERNOON.
FRIDAY NIGHT
MOSTLY CLOUDY WITH A CHANCE OF SHOWERS. LOWS IN
THE UPPER 40S. SOUTHEAST WINDS AROUND 5 MPH.
SATURDAY THROUGH SUNDAY
MOSTLY CLOUDY WITH SHOWERS LIKELY.
LOWS IN THE UPPER 40S. HIGHS IN THE MID 60S. EAST WINDS AROUND
5 MPH.
CTZ004-182000-
WINDHAM CT-
INCLUDING THE CITIES OF PUTNAM AND WILLIMANTIC
409 AM EDT MON MAY 18 2026
TODAY TONIGHT TUE
CLOUD COVER MCLEAR MCLEAR PCLDY
PRECIP TYPE NONE NONE TSTMS
CHANCE PRECIP (%) 20
CHANCE OF THUNDER (%) 0 0 0
TEMP (24H TREND) 84 (0) 62 (+3) 94
RH % (24H TREND) 40 (+3) 90 (+3) 35
20FT WND AM(MPH) LGT/VAR SW 5
20FT WND PM(MPH) S 7 G18 S 5 G17 SW 9 G21
PRECIP AMOUNT 0.00 0.00 0.00
PRECIP DURATION
PRECIP BEGIN
PRECIP END
MIXING HGT (FT-AGL) 2790 410 7590
TRANSPORT WND (KTS) S 11 SW 10 W 20
VENT RATE (KT-FT) 30690 4100 151800
MAX ADI EARLY 36 FAIR 31 FAIR 43 GEN GOOD
MAX ADI LATE 50 GEN GOOD 11 POOR 81 GOOD
MAX LVORI EARLY 1 5 1
MAX LVORI LATE 1 5 1
MIN VSBY EARLY 9 9 8
MIN VSBY LATE 9 8 9
SUNSHINE HOURS N/A N/A N/A
CWR 0 0
REMARKS...NONE.
FORECAST FOR DAYS 3 THROUGH 7
TUESDAY NIGHT
PARTLY CLOUDY. LOWS IN THE UPPER 60S. SOUTHWEST
WINDS 5 TO 10 MPH.
WEDNESDAY
SHOWERS AND A CHANCE OF THUNDERSTORMS. HIGHS IN THE
LOWER 90S. WEST WINDS 5 TO 10 MPH.
WEDNESDAY NIGHT
MOSTLY CLOUDY WITH SHOWERS LIKELY. COOLER.
LOWS IN THE LOWER 50S. NORTHWEST WINDS 5 TO 10 MPH.
THURSDAY
PARTLY SUNNY. MUCH COOLER. HIGHS IN THE UPPER 60S.
NORTH WINDS 5 TO 10 MPH.
THURSDAY NIGHT
PARTLY CLOUDY. LOWS IN THE MID 40S. NORTH WINDS
AROUND 5 MPH.
FRIDAY
MOSTLY SUNNY. HIGHS IN THE UPPER 60S. NORTHEAST WINDS
AROUND 5 MPH, BECOMING SOUTHEAST IN THE AFTERNOON.
FRIDAY NIGHT
MOSTLY CLOUDY WITH A CHANCE OF SHOWERS. LOWS IN
THE UPPER 40S. SOUTHEAST WINDS AROUND 5 MPH.
SATURDAY THROUGH SUNDAY
MOSTLY CLOUDY WITH SHOWERS LIKELY.
LOWS IN THE UPPER 40S. HIGHS IN THE MID 60S. EAST WINDS AROUND
5 MPH.
RIZ001-182000-
NORTHWEST PROVIDENCE RI-
INCLUDING THE CITIES OF FOSTER AND SMITHFIELD
409 AM EDT MON MAY 18 2026
TODAY TONIGHT TUE
CLOUD COVER MCLEAR MCLEAR PCLDY
PRECIP TYPE NONE NONE NONE
CHANCE PRECIP (%) 20
CHANCE OF THUNDER (%) 0 0 0
TEMP (24H TREND) 82 (-2) 61 (+3) 93
RH % (24H TREND) 41 (+4) 90 (+7) 36
20FT WND AM(MPH) LGT/VAR SW 5
20FT WND PM(MPH) S 7 S 5 SW 9 G21
PRECIP AMOUNT 0.00 0.00 0.00
PRECIP DURATION
PRECIP BEGIN
PRECIP END
MIXING HGT (FT-AGL) 2890 430 7690
TRANSPORT WND (KTS) S 11 SW 11 W 21
VENT RATE (KT-FT) 31790 4730 161490
MAX ADI EARLY 40 FAIR 38 FAIR 42 GEN GOOD
MAX ADI LATE 48 GEN GOOD 14 GEN POOR 85 GOOD
MAX LVORI EARLY 1 5 1
MAX LVORI LATE 1 5 1
MIN VSBY EARLY 9 9 8
MIN VSBY LATE 9 8 9
SUNSHINE HOURS N/A N/A N/A
CWR 0 0 0
REMARKS...NONE.
FORECAST FOR DAYS 3 THROUGH 7
TUESDAY NIGHT
PARTLY CLOUDY. LOWS IN THE UPPER 60S. SOUTHWEST
WINDS 5 TO 10 MPH.
WEDNESDAY
SHOWERS AND A CHANCE OF THUNDERSTORMS. HIGHS IN THE
LOWER 90S. WEST WINDS 5 TO 10 MPH.
WEDNESDAY NIGHT
MOSTLY CLOUDY WITH SHOWERS LIKELY. COOLER.
LOWS IN THE LOWER 50S. NORTHWEST WINDS 5 TO 10 MPH.
THURSDAY AND THURSDAY NIGHT
PARTLY CLOUDY. MUCH COOLER. LOWS
46 TO 53. HIGHS IN THE UPPER 60S. NORTH WINDS 5 TO 10 MPH.
FRIDAY
MOSTLY SUNNY. HIGHS IN THE UPPER 60S. NORTHEAST WINDS
AROUND 5 MPH, BECOMING SOUTHEAST AROUND 5 MPH IN THE AFTERNOON.
FRIDAY NIGHT
MOSTLY CLOUDY WITH A CHANCE OF SHOWERS. LOWS IN
THE UPPER 40S. SOUTH WINDS AROUND 5 MPH.
SATURDAY THROUGH SUNDAY
MOSTLY CLOUDY WITH SHOWERS LIKELY.
LOWS IN THE UPPER 40S. HIGHS IN THE MID 60S. EAST WINDS AROUND
5 MPH.
RIZ002-182000-
SOUTHEAST PROVIDENCE RI-
INCLUDING THE CITY OF PROVIDENCE
409 AM EDT MON MAY 18 2026
TODAY TONIGHT TUE
CLOUD COVER MCLEAR MCLEAR PCLDY
PRECIP TYPE NONE NONE NONE
CHANCE PRECIP (%) 20
CHANCE OF THUNDER (%) 0 0 0
TEMP (24H TREND) 79 (-6) 59 (+1) 93
RH % (24H TREND) 42 (+5) 90 (+9) 38
20FT WND AM(MPH) LGT/VAR SW 5
20FT WND PM(MPH) S 7 S 5 SW 9 G21
PRECIP AMOUNT 0.00 0.00 0.00
PRECIP DURATION
PRECIP BEGIN
PRECIP END
MIXING HGT (FT-AGL) 2790 440 6960
TRANSPORT WND (KTS) S 11 SW 10 W 21
VENT RATE (KT-FT) 30690 4400 146160
MAX ADI EARLY 42 GEN GOOD 27 FAIR 40 FAIR
MAX ADI LATE 44 GEN GOOD 12 POOR 78 GOOD
MAX LVORI EARLY 1 5 1
MAX LVORI LATE 1 5 1
MIN VSBY EARLY 9 9 7
MIN VSBY LATE 9 8 9
SUNSHINE HOURS N/A N/A N/A
CWR 0 0 0
REMARKS...NONE.
FORECAST FOR DAYS 3 THROUGH 7
TUESDAY NIGHT
PARTLY CLOUDY. LOWS IN THE UPPER 60S. SOUTHWEST
WINDS 10 TO 15 MPH.
WEDNESDAY
SHOWERS AND A CHANCE OF THUNDERSTORMS. HIGHS IN THE
LOWER 90S. SOUTHWEST WINDS 10 TO 15 MPH.
WEDNESDAY NIGHT
MOSTLY CLOUDY WITH SHOWERS LIKELY. COOLER.
LOWS IN THE MID 50S. NORTHWEST WINDS 5 TO 10 MPH.
THURSDAY
PARTLY SUNNY. MUCH COOLER. HIGHS IN THE UPPER 60S.
NORTH WINDS 5 TO 10 MPH.
THURSDAY NIGHT
PARTLY CLOUDY. LOWS IN THE UPPER 40S. WEST
WINDS AROUND 5 MPH, BECOMING NORTH AFTER MIDNIGHT.
FRIDAY
MOSTLY SUNNY. HIGHS IN THE MID 60S. NORTHEAST WINDS
AROUND 5 MPH, BECOMING SOUTHEAST IN THE AFTERNOON.
FRIDAY NIGHT
MOSTLY CLOUDY WITH A CHANCE OF SHOWERS. LOWS IN
THE UPPER 40S. SOUTH WINDS AROUND 5 MPH.
SATURDAY THROUGH SUNDAY
MOSTLY CLOUDY WITH SHOWERS LIKELY.
LOWS IN THE UPPER 40S. HIGHS IN THE MID 60S. EAST WINDS 5 TO
10 MPH.
RIZ003-182000-
WESTERN KENT RI-
INCLUDING THE CITIES OF COVENTRY AND WEST GREENWICH
409 AM EDT MON MAY 18 2026
TODAY TONIGHT TUE
CLOUD COVER MCLEAR MCLEAR MCLEAR
PRECIP TYPE NONE NONE NONE
CHANCE PRECIP (%) 20
CHANCE OF THUNDER (%) 0 0 0
TEMP (24H TREND) 79 (-5) 60 (+1) 89
RH % (24H TREND) 43 (+6) 90 (+9) 41
20FT WND AM(MPH) E 5 SW 6
20FT WND PM(MPH) SE 7 SW 5 SW 9 G21
PRECIP AMOUNT 0.00 0.00 0.00
PRECIP DURATION
PRECIP BEGIN
PRECIP END
MIXING HGT (FT-AGL) 2260 430 3950
TRANSPORT WND (KTS) SE 11 SW 11 SW 19
VENT RATE (KT-FT) 24860 4730 75050
MAX ADI EARLY 38 FAIR 25 FAIR 36 FAIR
MAX ADI LATE 35 FAIR 13 GEN POOR 54 GEN GOOD
MAX LVORI EARLY 2 5 1
MAX LVORI LATE 2 5 1
MIN VSBY EARLY 9 9 8
MIN VSBY LATE 9 7 9
SUNSHINE HOURS N/A N/A N/A
CWR 0 0 0
REMARKS...NONE.
FORECAST FOR DAYS 3 THROUGH 7
TUESDAY NIGHT
PARTLY CLOUDY. LOWS IN THE MID 60S. SOUTHWEST
WINDS 5 TO 10 MPH.
WEDNESDAY
SHOWERS AND A CHANCE OF THUNDERSTORMS. HIGHS IN THE
UPPER 80S. SOUTHWEST WINDS 5 TO 10 MPH.
WEDNESDAY NIGHT
MOSTLY CLOUDY WITH SHOWERS LIKELY. COOLER.
LOWS IN THE MID 50S. NORTHWEST WINDS 5 TO 10 MPH.
THURSDAY
PARTLY SUNNY. MUCH COOLER. HIGHS IN THE UPPER 60S.
NORTH WINDS AROUND 5 MPH.
THURSDAY NIGHT
PARTLY CLOUDY. LOWS IN THE UPPER 40S. SOUTHWEST
WINDS AROUND 5 MPH, BECOMING NORTH AFTER MIDNIGHT.
FRIDAY
MOSTLY SUNNY. HIGHS IN THE MID 60S. NORTHEAST WINDS
AROUND 5 MPH, BECOMING SOUTHEAST AROUND 5 MPH IN THE AFTERNOON.
FRIDAY NIGHT
MOSTLY CLOUDY WITH A CHANCE OF SHOWERS. LOWS IN
THE UPPER 40S. SOUTHEAST WINDS AROUND 5 MPH.
SATURDAY THROUGH SUNDAY
MOSTLY CLOUDY WITH SHOWERS LIKELY.
LOWS IN THE UPPER 40S. HIGHS IN THE MID 60S. EAST WINDS AROUND
5 MPH.
RIZ004-182000-
EASTERN KENT RI-
INCLUDING THE CITIES OF EAST GREENWICH, WARWICK, AND WEST WARWICK
409 AM EDT MON MAY 18 2026
TODAY TONIGHT TUE
CLOUD COVER MCLEAR MCLEAR MCLEAR
PRECIP TYPE NONE NONE NONE
CHANCE PRECIP (%) 10
CHANCE OF THUNDER (%) 0 0 0
TEMP (24H TREND) 78 (-6) 59 (0) 90
RH % (24H TREND) 41 (+4) 96 (+15) 39
20FT WND AM(MPH) LGT/VAR SW 6
20FT WND PM(MPH) S 8 S 5 SW 10 G20
PRECIP AMOUNT 0.00 0.00 0.00
PRECIP DURATION
PRECIP BEGIN
PRECIP END
MIXING HGT (FT-AGL) 2270 440 3500
TRANSPORT WND (KTS) SE 11 SW 10 SW 18
VENT RATE (KT-FT) 24970 4400 63000
MAX ADI EARLY 34 FAIR 22 FAIR 34 FAIR
MAX ADI LATE 34 FAIR 12 POOR 49 GEN GOOD
MAX LVORI EARLY 2 6 2
MAX LVORI LATE 2 6 2
MIN VSBY EARLY 9 9 7
MIN VSBY LATE 9 8 9
SUNSHINE HOURS N/A N/A N/A
CWR 0 0 0
REMARKS...NONE.
FORECAST FOR DAYS 3 THROUGH 7
TUESDAY NIGHT
PARTLY CLOUDY. LOWS IN THE MID 60S. SOUTHWEST
WINDS 10 TO 15 MPH.
WEDNESDAY
SHOWERS AND A CHANCE OF THUNDERSTORMS. HIGHS IN THE
UPPER 80S. SOUTHWEST WINDS 10 TO 15 MPH.
WEDNESDAY NIGHT
MOSTLY CLOUDY WITH SHOWERS LIKELY. COOLER.
LOWS IN THE MID 50S. NORTHWEST WINDS 5 TO 10 MPH.
THURSDAY
PARTLY SUNNY. COOLER. HIGHS IN THE UPPER 60S. NORTH
WINDS 5 TO 10 MPH.
THURSDAY NIGHT
PARTLY CLOUDY. LOWS IN THE UPPER 40S. SOUTHWEST
WINDS AROUND 5 MPH, BECOMING NORTH AFTER MIDNIGHT.
FRIDAY
PARTLY SUNNY. HIGHS IN THE MID 60S. NORTHEAST WINDS
AROUND 5 MPH, BECOMING SOUTHEAST IN THE AFTERNOON.
FRIDAY NIGHT
MOSTLY CLOUDY WITH A CHANCE OF SHOWERS. LOWS IN
THE UPPER 40S. SOUTH WINDS 5 TO 10 MPH.
SATURDAY THROUGH SUNDAY
MOSTLY CLOUDY WITH SHOWERS LIKELY.
LOWS IN THE UPPER 40S. HIGHS IN THE MID 60S. EAST WINDS 5 TO
10 MPH.
RIZ005-182000-
BRISTOL RI-
INCLUDING THE CITY OF BRISTOL
409 AM EDT MON MAY 18 2026
TODAY TONIGHT TUE
CLOUD COVER MCLEAR PCLDY PCLDY
PRECIP TYPE NONE NONE NONE
CHANCE PRECIP (%) 10
CHANCE OF THUNDER (%) 0 0 0
TEMP (24H TREND) 76 (-5) 57 (-1) 86
RH % (24H TREND) 45 (+2) 100 (+13) 43
20FT WND AM(MPH) E 5 S 7
20FT WND PM(MPH) S 8 S 7 S 11 G20
PRECIP AMOUNT 0.00 0.00 0.00
PRECIP DURATION
PRECIP BEGIN
PRECIP END
MIXING HGT (FT-AGL) 2320 400 2180
TRANSPORT WND (KTS) SE 11 SW 10 SW 17
VENT RATE (KT-FT) 25520 4000 37060
MAX ADI EARLY 34 FAIR 16 GEN POOR 22 FAIR
MAX ADI LATE 34 FAIR 12 POOR 30 FAIR
MAX LVORI EARLY 2 6 2
MAX LVORI LATE 2 6 2
MIN VSBY EARLY 9 9 7
MIN VSBY LATE 9 7 9
SUNSHINE HOURS N/A N/A N/A
CWR 0 0 0
REMARKS...NONE.
FORECAST FOR DAYS 3 THROUGH 7
TUESDAY NIGHT
PARTLY CLOUDY. LOWS IN THE MID 60S. SOUTHWEST
WINDS 10 TO 15 MPH.
WEDNESDAY
MOSTLY SUNNY WITH SHOWERS LIKELY. HIGHS IN THE MID
80S. SOUTHWEST WINDS 10 TO 15 MPH.
WEDNESDAY NIGHT
MOSTLY CLOUDY WITH SHOWERS LIKELY. LOWS IN THE
MID 50S. NORTHWEST WINDS 5 TO 10 MPH.
THURSDAY
PARTLY SUNNY. COOLER. HIGHS IN THE UPPER 60S. NORTH
WINDS 5 TO 10 MPH.
THURSDAY NIGHT
PARTLY CLOUDY. LOWS IN THE UPPER 40S. SOUTHEAST
WINDS AROUND 5 MPH, BECOMING NORTH AFTER MIDNIGHT.
FRIDAY
PARTLY SUNNY. HIGHS IN THE MID 60S. NORTHEAST WINDS
AROUND 5 MPH, BECOMING SOUTHEAST IN THE AFTERNOON.
FRIDAY NIGHT
MOSTLY CLOUDY WITH A CHANCE OF SHOWERS. LOWS IN
THE UPPER 40S. SOUTH WINDS 5 TO 10 MPH.
SATURDAY THROUGH SUNDAY
MOSTLY CLOUDY WITH SHOWERS LIKELY.
LOWS AROUND 50. HIGHS IN THE LOWER 60S. EAST WINDS 5 TO 10 MPH.
RIZ006-182000-
WASHINGTON RI-
INCLUDING THE CITIES OF NARRAGANSETT AND WESTERLY
409 AM EDT MON MAY 18 2026
TODAY TONIGHT TUE
CLOUD COVER MCLEAR PCLDY PCLDY
PRECIP TYPE NONE NONE NONE
CHANCE PRECIP (%) 10
CHANCE OF THUNDER (%) 0 0 0
TEMP (24H TREND) 76 (-3) 56 (-2) 85
RH % (24H TREND) 43 (+3) 100 (+7) 41
20FT WND AM(MPH) E 5 SW 6
20FT WND PM(MPH) SE 6 LGT/VAR SW 9 G20
PRECIP AMOUNT 0.00 0.00 0.00
PRECIP DURATION
PRECIP BEGIN
PRECIP END
MIXING HGT (FT-AGL) 1820 400 2020
TRANSPORT WND (KTS) E 11 SW 11 SW 15
VENT RATE (KT-FT) 20020 4400 30300
MAX ADI EARLY 27 FAIR 13 GEN POOR 28 FAIR
MAX ADI LATE 24 FAIR 12 POOR 27 FAIR
MAX LVORI EARLY 2 6 2
MAX LVORI LATE 2 6 2
MIN VSBY EARLY 9 3 FOG 7
MIN VSBY LATE 9 2 FOG 9
SUNSHINE HOURS N/A N/A N/A
CWR 0 0 0
REMARKS...NONE.
FORECAST FOR DAYS 3 THROUGH 7
TUESDAY NIGHT
PARTLY CLOUDY. LOWS IN THE LOWER 60S. SOUTHWEST
WINDS 10 TO 15 MPH.
WEDNESDAY
MOSTLY SUNNY WITH SHOWERS LIKELY. HIGHS IN THE MID
80S. SOUTHWEST WINDS 10 TO 15 MPH.
WEDNESDAY NIGHT
MOSTLY CLOUDY WITH A CHANCE OF SHOWERS. LOWS
IN THE MID 50S. NORTHWEST WINDS 5 TO 10 MPH.
THURSDAY
PARTLY SUNNY. COOLER. HIGHS IN THE UPPER 60S. NORTH
WINDS 5 TO 10 MPH, BECOMING EAST IN THE AFTERNOON.
THURSDAY NIGHT
PARTLY CLOUDY. LOWS IN THE UPPER 40S. SOUTHEAST
WINDS AROUND 5 MPH, BECOMING NORTH AFTER MIDNIGHT.
FRIDAY
PARTLY SUNNY. HIGHS IN THE MID 60S. NORTHEAST WINDS
AROUND 5 MPH, BECOMING SOUTHEAST IN THE AFTERNOON.
FRIDAY NIGHT
MOSTLY CLOUDY WITH A CHANCE OF SHOWERS. LOWS IN
THE UPPER 40S. SOUTHEAST WINDS 5 TO 10 MPH.
SATURDAY THROUGH SUNDAY
MOSTLY CLOUDY WITH SHOWERS LIKELY.
LOWS IN THE UPPER 40S. HIGHS IN THE MID 60S. SOUTHEAST WINDS 5 TO
10 MPH.
RIZ007-182000-
NEWPORT RI-
INCLUDING THE CITY OF NEWPORT
409 AM EDT MON MAY 18 2026
TODAY TONIGHT TUE
CLOUD COVER MCLEAR PCLDY PCLDY
PRECIP TYPE NONE NONE NONE
CHANCE PRECIP (%) 10
CHANCE OF THUNDER (%) 0 0 0
TEMP (24H TREND) 74 (-2) 56 (-1) 81
RH % (24H TREND) 43 (-1) 100 (+7) 49
20FT WND AM(MPH) E 6 SW 8 G17
20FT WND PM(MPH) SE 8 S 6 SW 12 G20
PRECIP AMOUNT 0.00 0.00 0.00
PRECIP DURATION
PRECIP BEGIN
PRECIP END
MIXING HGT (FT-AGL) 1540 400 1000
TRANSPORT WND (KTS) SE 11 S 11 SW 15
VENT RATE (KT-FT) 16940 4400 15000
MAX ADI EARLY 18 GEN POOR 13 GEN POOR 19 GEN POOR
MAX ADI LATE 17 GEN POOR 13 GEN POOR 22 FAIR
MAX LVORI EARLY 3 6 3
MAX LVORI LATE 3 6 3
MIN VSBY EARLY 9 4 FOG 6 FOG
MIN VSBY LATE 9 3 FOG 9
SUNSHINE HOURS N/A N/A N/A
CWR 0 0 0
REMARKS...NONE.
FORECAST FOR DAYS 3 THROUGH 7
TUESDAY NIGHT
PARTLY CLOUDY. LOWS IN THE LOWER 60S. SOUTHWEST
WINDS 10 TO 15 MPH.
WEDNESDAY
MOSTLY SUNNY WITH SHOWERS LIKELY. HIGHS AROUND 80.
SOUTHWEST WINDS 10 TO 15 MPH.
WEDNESDAY NIGHT
MOSTLY CLOUDY WITH SHOWERS LIKELY. LOWS IN THE
MID 50S. NORTHWEST WINDS 10 TO 15 MPH.
THURSDAY
PARTLY SUNNY. COOLER. HIGHS IN THE UPPER 60S. NORTH
WINDS 5 TO 10 MPH, BECOMING NORTHEAST IN THE AFTERNOON.
THURSDAY NIGHT
PARTLY CLOUDY. LOWS IN THE UPPER 40S. SOUTHEAST
WINDS AROUND 5 MPH, BECOMING NORTH AFTER MIDNIGHT.
FRIDAY
PARTLY SUNNY. HIGHS IN THE LOWER 60S. NORTHEAST WINDS
AROUND 5 MPH, BECOMING SOUTHEAST IN THE AFTERNOON.
FRIDAY NIGHT
MOSTLY CLOUDY WITH A CHANCE OF SHOWERS. LOWS IN
THE UPPER 40S. SOUTHEAST WINDS 5 TO 10 MPH.
SATURDAY THROUGH SUNDAY
MOSTLY CLOUDY WITH SHOWERS LIKELY.
LOWS AROUND 50. HIGHS IN THE LOWER 60S. SOUTHEAST WINDS 5 TO
10 MPH.
RIZ008-182000-
BLOCK ISLAND RI-
INCLUDING THE CITY OF NEW SHOREHAM
409 AM EDT MON MAY 18 2026
TODAY TONIGHT TUE
CLOUD COVER MCLEAR PCLDY PCLDY
PRECIP TYPE NONE NONE NONE
CHANCE PRECIP (%)
CHANCE OF THUNDER (%) 0 0 0
TEMP (24H TREND) 66 (0) 55 (+1) 73
RH % (24H TREND) 65 (-3) 100 (0) 61
20FT WND AM(MPH) E 7 SW 10 G18
20FT WND PM(MPH) SE 7 SW 7 SW 13 G22
PRECIP AMOUNT 0.00 0.00 0.00
PRECIP DURATION
PRECIP BEGIN
PRECIP END
MIXING HGT (FT-AGL) 490 340 530
TRANSPORT WND (KTS) E 12 SW 13 SW 20
VENT RATE (KT-FT) 5880 4420 10600
MAX ADI EARLY 18 GEN POOR 15 GEN POOR 22 FAIR
MAX ADI LATE 13 GEN POOR 23 FAIR 28 FAIR
MAX LVORI EARLY 4 5 4
MAX LVORI LATE 4 5 4
MIN VSBY EARLY 9 1 FOG 5 FOG
MIN VSBY LATE 8 0 FOG 9
SUNSHINE HOURS N/A N/A N/A
CWR 0 0 0
REMARKS...NONE.
FORECAST FOR DAYS 3 THROUGH 7
TUESDAY NIGHT
PARTLY CLOUDY. LOWS IN THE UPPER 50S. SOUTHWEST
WINDS 10 TO 15 MPH.
WEDNESDAY
MOSTLY SUNNY WITH A CHANCE OF SHOWERS. HIGHS AROUND
70. SOUTHWEST WINDS 10 TO 15 MPH.
WEDNESDAY NIGHT
MOSTLY CLOUDY WITH A CHANCE OF SHOWERS. LOWS
IN THE LOWER 50S. WEST WINDS 10 TO 15 MPH.
THURSDAY
PARTLY SUNNY. HIGHS IN THE MID 60S. NORTH WINDS 5 TO
10 MPH, BECOMING SOUTHEAST IN THE AFTERNOON.
THURSDAY NIGHT
MOSTLY CLOUDY. LOWS AROUND 50. SOUTHEAST WINDS
AROUND 5 MPH, BECOMING NORTHEAST AFTER MIDNIGHT.
FRIDAY
PARTLY SUNNY. HIGHS IN THE UPPER 50S. NORTHEAST WINDS
AROUND 5 MPH, BECOMING SOUTHEAST IN THE AFTERNOON.
FRIDAY NIGHT
MOSTLY CLOUDY WITH A CHANCE OF SHOWERS. LOWS
AROUND 50. SOUTHEAST WINDS 5 TO 10 MPH.
SATURDAY
MOSTLY CLOUDY WITH SHOWERS LIKELY. HIGHS AROUND 60.
EAST WINDS 5 TO 10 MPH.
SATURDAY NIGHT
CLOUDY WITH SHOWERS LIKELY. LOWS IN THE LOWER
50S. EAST WINDS AROUND 10 MPH.
SUNDAY
MOSTLY CLOUDY WITH SHOWERS LIKELY. HIGHS IN THE LOWER
60S. SOUTHEAST WINDS AROUND 10 MPH.
MAZ017-182000-
NORTHERN BRISTOL MA-
INCLUDING THE CITY OF TAUNTON
409 AM EDT MON MAY 18 2026
TODAY TONIGHT TUE
CLOUD COVER MCLEAR MCLEAR PCLDY
PRECIP TYPE NONE NONE NONE
CHANCE PRECIP (%) 20
CHANCE OF THUNDER (%) 0 0 0
TEMP (24H TREND) 78 (-7) 59 (+2) 92
RH % (24H TREND) 39 (+5) 90 (+9) 38
20FT WND AM(MPH) LGT/VAR LGT/VAR
20FT WND PM(MPH) S 6 S 5 SW 9 G21
PRECIP AMOUNT 0.00 0.00 0.00
PRECIP DURATION
PRECIP BEGIN
PRECIP END
MIXING HGT (FT-AGL) 3110 430 6800
TRANSPORT WND (KTS) S 11 SW 10 W 20
VENT RATE (KT-FT) 34210 4300 136000
MAX ADI EARLY 41 GEN GOOD 26 FAIR 41 GEN GOOD
MAX ADI LATE 52 GEN GOOD 11 POOR 76 GOOD
MAX LVORI EARLY 1 6 1
MAX LVORI LATE 1 6 1
MIN VSBY EARLY 9 9 7
MIN VSBY LATE 9 7 9
SUNSHINE HOURS N/A N/A N/A
CWR 0 0 0
REMARKS...NONE.
FORECAST FOR DAYS 3 THROUGH 7
TUESDAY NIGHT
PARTLY CLOUDY. LOWS IN THE MID 60S. SOUTHWEST
WINDS 5 TO 10 MPH.
WEDNESDAY
SHOWERS AND A CHANCE OF THUNDERSTORMS. HIGHS IN THE
LOWER 90S. SOUTHWEST WINDS 5 TO 10 MPH.
WEDNESDAY NIGHT
MOSTLY CLOUDY WITH SHOWERS LIKELY. COOLER.
LOWS IN THE LOWER 50S. NORTHWEST WINDS 5 TO 10 MPH.
THURSDAY
PARTLY SUNNY. MUCH COOLER. HIGHS IN THE UPPER 60S.
NORTH WINDS AROUND 5 MPH.
THURSDAY NIGHT
PARTLY CLOUDY. LOWS IN THE MID 40S. WEST WINDS
AROUND 5 MPH, BECOMING NORTH AFTER MIDNIGHT.
FRIDAY
MOSTLY SUNNY. HIGHS IN THE MID 60S. NORTHEAST WINDS
AROUND 5 MPH, BECOMING SOUTHEAST AROUND 5 MPH IN THE AFTERNOON.
FRIDAY NIGHT
MOSTLY CLOUDY WITH A CHANCE OF SHOWERS. LOWS IN
THE UPPER 40S. SOUTH WINDS AROUND 5 MPH.
SATURDAY THROUGH SUNDAY
MOSTLY CLOUDY WITH SHOWERS LIKELY.
LOWS IN THE UPPER 40S. HIGHS IN THE MID 60S. EAST WINDS AROUND
5 MPH.
MAZ018-182000-
WESTERN PLYMOUTH MA-
INCLUDING THE CITY OF BROCKTON
409 AM EDT MON MAY 18 2026
TODAY TONIGHT TUE
CLOUD COVER PCLDY PCLDY PCLDY
PRECIP TYPE NONE NONE NONE
CHANCE PRECIP (%) 10 20
CHANCE OF THUNDER (%) 0 0 0
TEMP (24H TREND) 78 (-7) 58 (+2) 91
RH % (24H TREND) 39 (+6) 96 (+18) 37
20FT WND AM(MPH) LGT/VAR SW 5
20FT WND PM(MPH) SE 6 S 5 SW 9 G22
PRECIP AMOUNT 0.00 0.00 0.00
PRECIP DURATION
PRECIP BEGIN
PRECIP END
MIXING HGT (FT-AGL) 2990 450 6030
TRANSPORT WND (KTS) SE 10 SW 11 SW 20
VENT RATE (KT-FT) 29900 4950 120600
MAX ADI EARLY 36 FAIR 26 FAIR 41 GEN GOOD
MAX ADI LATE 48 GEN GOOD 12 POOR 67 GOOD
MAX LVORI EARLY 2 6 2
MAX LVORI LATE 2 6 2
MIN VSBY EARLY 9 9 7
MIN VSBY LATE 9 7 9
SUNSHINE HOURS N/A N/A N/A
CWR 0 0 0
REMARKS...NONE.
FORECAST FOR DAYS 3 THROUGH 7
TUESDAY NIGHT
PARTLY CLOUDY. LOWS IN THE MID 60S. SOUTHWEST
WINDS 5 TO 10 MPH.
WEDNESDAY
MOSTLY SUNNY WITH SHOWERS LIKELY. HIGHS AROUND 90.
SOUTHWEST WINDS 5 TO 10 MPH.
WEDNESDAY NIGHT
MOSTLY CLOUDY WITH SHOWERS LIKELY. COOLER.
LOWS IN THE LOWER 50S. NORTHWEST WINDS 5 TO 10 MPH.
THURSDAY
PARTLY SUNNY. MUCH COOLER. HIGHS IN THE UPPER 60S.
NORTH WINDS AROUND 5 MPH.
THURSDAY NIGHT
PARTLY CLOUDY. LOWS IN THE MID 40S. SOUTHWEST
WINDS AROUND 5 MPH, BECOMING NORTHWEST AFTER MIDNIGHT.
FRIDAY
PARTLY SUNNY. HIGHS IN THE MID 60S. NORTHEAST WINDS
AROUND 5 MPH, BECOMING SOUTHEAST AROUND 5 MPH IN THE AFTERNOON.
FRIDAY NIGHT
MOSTLY CLOUDY WITH A CHANCE OF SHOWERS. LOWS IN
THE MID 40S. SOUTH WINDS AROUND 5 MPH.
SATURDAY THROUGH SUNDAY
MOSTLY CLOUDY WITH SHOWERS LIKELY.
LOWS IN THE UPPER 40S. HIGHS IN THE LOWER 60S. EAST WINDS AROUND
5 MPH.
MAZ019-182000-
EASTERN PLYMOUTH MA-
INCLUDING THE CITY OF PLYMOUTH
409 AM EDT MON MAY 18 2026
TODAY TONIGHT TUE
CLOUD COVER PCLDY MCLEAR PCLDY
PRECIP TYPE NONE NONE NONE
CHANCE PRECIP (%) 10 20
CHANCE OF THUNDER (%) 0 0 0
TEMP (24H TREND) 75 (-6) 57 (+2) 90
RH % (24H TREND) 41 (+8) 96 (+9) 33
20FT WND AM(MPH) LGT/VAR SW 6
20FT WND PM(MPH) SE 7 S 6 SW 10 G21
PRECIP AMOUNT 0.00 0.00 0.00
PRECIP DURATION
PRECIP BEGIN
PRECIP END
MIXING HGT (FT-AGL) 1730 450 3150
TRANSPORT WND (KTS) SE 10 SW 14 SW 16
VENT RATE (KT-FT) 17300 6300 50400
MAX ADI EARLY 14 GEN POOR 15 GEN POOR 27 FAIR
MAX ADI LATE 18 GEN POOR 17 GEN POOR 34 FAIR
MAX LVORI EARLY 2 5 2
MAX LVORI LATE 2 5 2
MIN VSBY EARLY 9 8 8
MIN VSBY LATE 9 7 9
SUNSHINE HOURS N/A N/A N/A
CWR 0 0 0
REMARKS...NONE.
FORECAST FOR DAYS 3 THROUGH 7
TUESDAY NIGHT
PARTLY CLOUDY. LOWS IN THE MID 60S. SOUTHWEST
WINDS 10 TO 15 MPH.
WEDNESDAY
SHOWERS. HIGHS IN THE MID 80S. SOUTHWEST WINDS 10 TO
15 MPH.
WEDNESDAY NIGHT
MOSTLY CLOUDY WITH SHOWERS LIKELY. COOLER.
LOWS IN THE MID 50S. NORTHWEST WINDS 10 TO 15 MPH.
THURSDAY
MOSTLY SUNNY. COOLER. HIGHS IN THE MID 60S. NORTH
WINDS 5 TO 10 MPH, BECOMING NORTHEAST IN THE AFTERNOON.
THURSDAY NIGHT
PARTLY CLOUDY. LOWS IN THE UPPER 40S. SOUTH
WINDS AROUND 5 MPH, BECOMING NORTHWEST AFTER MIDNIGHT.
FRIDAY
MOSTLY SUNNY. HIGHS IN THE LOWER 60S. NORTHEAST WINDS
AROUND 5 MPH, BECOMING SOUTHEAST IN THE AFTERNOON.
FRIDAY NIGHT
MOSTLY CLOUDY WITH A CHANCE OF SHOWERS. LOWS IN
THE UPPER 40S. SOUTH WINDS 5 TO 10 MPH.
SATURDAY THROUGH SUNDAY
MOSTLY CLOUDY WITH SHOWERS LIKELY.
LOWS IN THE UPPER 40S. HIGHS IN THE LOWER 60S. EAST WINDS 5 TO
10 MPH.
MAZ020-182000-
SOUTHERN BRISTOL MA-
INCLUDING THE CITIES OF FALL RIVER AND NEW BEDFORD
409 AM EDT MON MAY 18 2026
TODAY TONIGHT TUE
CLOUD COVER MCLEAR PCLDY PCLDY
PRECIP TYPE NONE NONE NONE
CHANCE PRECIP (%) 10
CHANCE OF THUNDER (%) 0 0 0
TEMP (24H TREND) 77 (-2) 55 (-2) 86
RH % (24H TREND) 43 (+3) 100 (+7) 43
20FT WND AM(MPH) LGT/VAR SW 7 G17
20FT WND PM(MPH) SE 7 S 5 SW 11 G22
PRECIP AMOUNT 0.00 0.00 0.00
PRECIP DURATION
PRECIP BEGIN
PRECIP END
MIXING HGT (FT-AGL) 2320 430 1810
TRANSPORT WND (KTS) SE 12 S 11 SW 17
VENT RATE (KT-FT) 27840 4730 30770
MAX ADI EARLY 35 FAIR 18 GEN POOR 27 FAIR
MAX ADI LATE 33 FAIR 13 GEN POOR 29 FAIR
MAX LVORI EARLY 2 6 2
MAX LVORI LATE 2 6 2
MIN VSBY EARLY 9 7 5 FOG
MIN VSBY LATE 9 3 FOG 8
SUNSHINE HOURS N/A N/A N/A
CWR 0 0 0
REMARKS...NONE.
FORECAST FOR DAYS 3 THROUGH 7
TUESDAY NIGHT
PARTLY CLOUDY. LOWS IN THE LOWER 60S. SOUTHWEST
WINDS 10 TO 15 MPH.
WEDNESDAY
MOSTLY SUNNY WITH SHOWERS LIKELY. HIGHS IN THE LOWER
80S. SOUTHWEST WINDS 15 TO 20 MPH.
WEDNESDAY NIGHT
MOSTLY CLOUDY WITH SHOWERS LIKELY. LOWS IN THE
MID 50S. NORTHWEST WINDS 10 TO 15 MPH.
THURSDAY
PARTLY SUNNY. COOLER. HIGHS IN THE UPPER 60S.
NORTHEAST WINDS 5 TO 10 MPH.
THURSDAY NIGHT
PARTLY CLOUDY. LOWS IN THE UPPER 40S. SOUTH
WINDS AROUND 5 MPH, BECOMING NORTH AFTER MIDNIGHT.
FRIDAY
MOSTLY SUNNY. HIGHS IN THE MID 60S. NORTHEAST WINDS
AROUND 5 MPH, BECOMING SOUTHEAST IN THE AFTERNOON.
FRIDAY NIGHT
MOSTLY CLOUDY WITH A CHANCE OF SHOWERS. LOWS IN
THE UPPER 40S. SOUTHEAST WINDS 5 TO 10 MPH.
SATURDAY THROUGH SUNDAY
MOSTLY CLOUDY WITH SHOWERS LIKELY.
LOWS IN THE UPPER 40S. HIGHS IN THE MID 60S. SOUTHEAST WINDS 5 TO
10 MPH.
MAZ021-182000-
SOUTHERN PLYMOUTH MA-
INCLUDING THE CITY OF MATTAPOISETT
409 AM EDT MON MAY 18 2026
TODAY TONIGHT TUE
CLOUD COVER MCLEAR PCLDY PCLDY
PRECIP TYPE NONE NONE NONE
CHANCE PRECIP (%) 10 10
CHANCE OF THUNDER (%) 0 0 0
TEMP (24H TREND) 76 (-3) 56 (0) 83
RH % (24H TREND) 43 (+5) 100 (+10) 46
20FT WND AM(MPH) LGT/VAR SW 6 G17
20FT WND PM(MPH) SE 7 S 5 SW 11 G22
PRECIP AMOUNT 0.00 0.00 0.00
PRECIP DURATION
PRECIP BEGIN
PRECIP END
MIXING HGT (FT-AGL) 2450 420 1700
TRANSPORT WND (KTS) SE 11 SW 11 SW 16
VENT RATE (KT-FT) 26950 4620 27200
MAX ADI EARLY 33 FAIR 19 GEN POOR 29 FAIR
MAX ADI LATE 34 FAIR 13 GEN POOR 29 FAIR
MAX LVORI EARLY 2 6 2
MAX LVORI LATE 2 6 2
MIN VSBY EARLY 9 8 5 FOG
MIN VSBY LATE 9 4 FOG 8
SUNSHINE HOURS N/A N/A N/A
CWR 0 0 0
REMARKS...NONE.
FORECAST FOR DAYS 3 THROUGH 7
TUESDAY NIGHT
PARTLY CLOUDY. LOWS IN THE LOWER 60S. SOUTHWEST
WINDS 10 TO 15 MPH.
WEDNESDAY
MOSTLY SUNNY WITH SHOWERS LIKELY. HIGHS IN THE LOWER
80S. SOUTHWEST WINDS 10 TO 15 MPH.
WEDNESDAY NIGHT
MOSTLY CLOUDY WITH SHOWERS LIKELY. LOWS IN THE
MID 50S. WEST WINDS 5 TO 10 MPH.
THURSDAY
PARTLY SUNNY. COOLER. HIGHS IN THE UPPER 60S.
NORTHEAST WINDS 5 TO 10 MPH.
THURSDAY NIGHT
PARTLY CLOUDY. LOWS IN THE UPPER 40S. SOUTH
WINDS AROUND 5 MPH, BECOMING NORTHWEST AFTER MIDNIGHT.
FRIDAY
MOSTLY SUNNY. HIGHS IN THE MID 60S. NORTHEAST WINDS
AROUND 5 MPH, BECOMING SOUTHEAST IN THE AFTERNOON.
FRIDAY NIGHT
MOSTLY CLOUDY WITH A CHANCE OF SHOWERS. LOWS IN
THE UPPER 40S. SOUTH WINDS 5 TO 10 MPH.
SATURDAY THROUGH SUNDAY
MOSTLY CLOUDY WITH SHOWERS LIKELY.
LOWS IN THE UPPER 40S. HIGHS IN THE MID 60S. SOUTHEAST WINDS 5 TO
10 MPH.
MAZ022-182000-
BARNSTABLE MA-
INCLUDING THE CITIES OF CHATHAM, FALMOUTH, AND PROVINCETOWN
409 AM EDT MON MAY 18 2026
TODAY TONIGHT TUE
CLOUD COVER PCLDY PCLDY PCLDY
PRECIP TYPE NONE NONE NONE
CHANCE PRECIP (%) 10 10
CHANCE OF THUNDER (%) 0 0 0
TEMP (24H TREND) 71 (-2) 57 (+1) 80
RH % (24H TREND) 47 (-1) 100 (+7) 48
20FT WND AM(MPH) E 5 SW 8 G19
20FT WND PM(MPH) SE 7 S 5 SW 12 G23
PRECIP AMOUNT 0.00 0.00 0.00
PRECIP DURATION
PRECIP BEGIN
PRECIP END
MIXING HGT (FT-AGL) 1290 440 1050
TRANSPORT WND (KTS) SE 12 S 13 SW 19
VENT RATE (KT-FT) 15480 5720 19950
MAX ADI EARLY 15 GEN POOR 16 GEN POOR 24 FAIR
MAX ADI LATE 18 GEN POOR 20 GEN POOR 26 FAIR
MAX LVORI EARLY 3 5 3
MAX LVORI LATE 3 5 3
MIN VSBY EARLY 9 4 FOG 4 FOG
MIN VSBY LATE 9 3 FOG 8
SUNSHINE HOURS N/A N/A N/A
CWR 0 0 0
REMARKS...NONE.
FORECAST FOR DAYS 3 THROUGH 7
TUESDAY NIGHT
PARTLY CLOUDY. LOWS AROUND 60. SOUTHWEST WINDS
10 TO 15 MPH.
WEDNESDAY
MOSTLY SUNNY WITH A CHANCE OF SHOWERS. HIGHS IN THE
MID 70S. SOUTHWEST WINDS 15 TO 20 MPH.
WEDNESDAY NIGHT
MOSTLY CLOUDY WITH A CHANCE OF SHOWERS. LOWS
IN THE MID 50S. WEST WINDS 10 TO 15 MPH, BECOMING NORTHWEST 5 TO
10 MPH AFTER MIDNIGHT.
THURSDAY
PARTLY SUNNY. COOLER. HIGHS IN THE MID 60S. NORTHEAST
WINDS 10 TO 15 MPH.
THURSDAY NIGHT
PARTLY CLOUDY. LOWS IN THE LOWER 50S. SOUTH
WINDS AROUND 5 MPH, BECOMING NORTHWEST AFTER MIDNIGHT.
FRIDAY
MOSTLY SUNNY. HIGHS IN THE LOWER 60S. NORTHEAST WINDS
AROUND 5 MPH, BECOMING SOUTHEAST IN THE AFTERNOON.
FRIDAY NIGHT
MOSTLY CLOUDY WITH A CHANCE OF SHOWERS. LOWS
AROUND 50. SOUTH WINDS AROUND 5 MPH.
SATURDAY THROUGH SUNDAY
MOSTLY CLOUDY WITH SHOWERS LIKELY.
LOWS IN THE LOWER 50S. HIGHS IN THE MID 60S. EAST WINDS 5 TO
10 MPH.
MAZ023-182000-
DUKES MA-
INCLUDING THE CITY OF VINEYARD HAVEN
409 AM EDT MON MAY 18 2026
TODAY TONIGHT TUE
CLOUD COVER MCLEAR PCLDY PCLDY
PRECIP TYPE NONE NONE NONE
CHANCE PRECIP (%)
CHANCE OF THUNDER (%) 0 0 0
TEMP (24H TREND) 69 (0) 55 (0) 76
RH % (24H TREND) 55 (-2) 100 (+7) 54
20FT WND AM(MPH) E 7 SW 11 G19
20FT WND PM(MPH) SE 8 SW 7 SW 13 G22
PRECIP AMOUNT 0.00 0.00 0.00
PRECIP DURATION
PRECIP BEGIN
PRECIP END
MIXING HGT (FT-AGL) 710 400 770
TRANSPORT WND (KTS) E 14 SW 13 SW 19
VENT RATE (KT-FT) 9940 5200 14630
MAX ADI EARLY 18 GEN POOR 15 GEN POOR 23 FAIR
MAX ADI LATE 16 GEN POOR 22 FAIR 26 FAIR
MAX LVORI EARLY 3 5 3
MAX LVORI LATE 3 5 3
MIN VSBY EARLY 9 2 FOG 2 FOG
MIN VSBY LATE 9 0 FOG 6 FOG
SUNSHINE HOURS N/A N/A N/A
CWR 0 0 0
REMARKS...NONE.
FORECAST FOR DAYS 3 THROUGH 7
TUESDAY NIGHT
MOSTLY CLOUDY. LOWS IN THE UPPER 50S. SOUTHWEST
WINDS 15 TO 20 MPH.
WEDNESDAY
MOSTLY SUNNY WITH A CHANCE OF SHOWERS. HIGHS IN THE
LOWER 70S. SOUTHWEST WINDS 15 TO 20 MPH.
WEDNESDAY NIGHT
MOSTLY CLOUDY WITH A CHANCE OF SHOWERS. LOWS
IN THE MID 50S. WEST WINDS 10 TO 15 MPH.
THURSDAY
PARTLY SUNNY. HIGHS IN THE MID 60S. NORTH WINDS 5 TO
10 MPH, BECOMING EAST IN THE AFTERNOON.
THURSDAY NIGHT
PARTLY CLOUDY. LOWS AROUND 50. SOUTHEAST WINDS
5 TO 10 MPH, BECOMING NORTH AFTER MIDNIGHT.
FRIDAY
MOSTLY SUNNY. HIGHS IN THE LOWER 60S. NORTHEAST WINDS
AROUND 5 MPH, BECOMING SOUTHEAST IN THE AFTERNOON.
FRIDAY NIGHT
MOSTLY CLOUDY WITH A CHANCE OF SHOWERS. LOWS
AROUND 50. SOUTHEAST WINDS 5 TO 10 MPH.
SATURDAY THROUGH SUNDAY
MOSTLY CLOUDY WITH SHOWERS LIKELY.
LOWS IN THE LOWER 50S. HIGHS IN THE LOWER 60S. SOUTHEAST WINDS
10 TO 15 MPH.
MAZ024-182000-
NANTUCKET MA-
INCLUDING THE CITY OF NANTUCKET
409 AM EDT MON MAY 18 2026
TODAY TONIGHT TUE
CLOUD COVER PCLDY PCLDY PCLDY
PRECIP TYPE NONE NONE NONE
CHANCE PRECIP (%) 10
CHANCE OF THUNDER (%) 0 0 0
TEMP (24H TREND) 66 (+1) 56 (+1) 72
RH % (24H TREND) 65 (-7) 100 (+7) 68
20FT WND AM(MPH) E 7 SW 11 G21
20FT WND PM(MPH) SE 8 S 7 SW 14 G22
PRECIP AMOUNT 0.00 0.00 0.00
PRECIP DURATION
PRECIP BEGIN
PRECIP END
MIXING HGT (FT-AGL) 550 410 600
TRANSPORT WND (KTS) E 15 SW 14 SW 23
VENT RATE (KT-FT) 8250 5740 13800
MAX ADI EARLY 18 GEN POOR 18 GEN POOR 27 FAIR
MAX ADI LATE 18 GEN POOR 26 FAIR 30 FAIR
MAX LVORI EARLY 3 5 4
MAX LVORI LATE 3 5 4
MIN VSBY EARLY 9 1 FOG 1 FOG
MIN VSBY LATE 9 1 FOG 5 FOG
SUNSHINE HOURS N/A N/A N/A
CWR 0 0 0
REMARKS...NONE.
FORECAST FOR DAYS 3 THROUGH 7
TUESDAY NIGHT
MOSTLY CLOUDY. LOWS IN THE UPPER 50S. SOUTHWEST
WINDS 15 TO 20 MPH.
WEDNESDAY
SUNNY. HIGHS IN THE UPPER 60S. SOUTHWEST WINDS 15 TO
20 MPH.
WEDNESDAY NIGHT
MOSTLY CLOUDY WITH A CHANCE OF SHOWERS. LOWS
IN THE MID 50S. SOUTHWEST WINDS 10 TO 15 MPH, BECOMING NORTHWEST
5 TO 10 MPH AFTER MIDNIGHT.
THURSDAY
PARTLY SUNNY WITH A CHANCE OF SHOWERS. HIGHS IN THE
LOWER 60S. NORTHEAST WINDS 10 TO 15 MPH.
THURSDAY NIGHT
MOSTLY CLOUDY. LOWS IN THE LOWER 50S. SOUTHEAST
WINDS AROUND 5 MPH, BECOMING NORTHWEST AFTER MIDNIGHT.
FRIDAY
MOSTLY SUNNY. HIGHS AROUND 60. NORTHEAST WINDS 5 TO
10 MPH, BECOMING SOUTHEAST IN THE AFTERNOON.
FRIDAY NIGHT
MOSTLY CLOUDY WITH A CHANCE OF SHOWERS. LOWS IN
THE LOWER 50S. SOUTHEAST WINDS 5 TO 10 MPH.
SATURDAY
MOSTLY CLOUDY WITH SHOWERS LIKELY. HIGHS IN THE LOWER
60S. EAST WINDS 10 TO 15 MPH.
SATURDAY NIGHT
CLOUDY WITH SHOWERS LIKELY. LOWS IN THE LOWER
50S. SOUTHEAST WINDS 10 TO 15 MPH.
SUNDAY
MOSTLY CLOUDY WITH SHOWERS LIKELY. HIGHS IN THE LOWER
60S. SOUTHEAST WINDS 5 TO 10 MPH.
OUTLOOK 8 TO 14 DAYS
TEMPERATURES ABOVE NORMAL. PRECIPITATION NEAR NORMAL.
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