074
FNUS51 KBOX 212009
FWFBOX
FIRE WEATHER PLANNING FORECAST FOR SOUTHERN NEW ENGLAND
NATIONAL WEATHER SERVICE BOSTON/NORTON MA
409 PM EDT THU MAY 21 2026
DISCUSSION
THURSDAY SHOWERS LINGER IN THE MORNING, LASTING LONGEST OVER CT,
RI, AND SOUTHEAST MA, DRYING OUT THROUGH THE DAY. TEMPERATURES
WILL BE MUCH COOLER. DRY AND SUNNY WEATHER EXPECTED ON FRIDAY.
THURSDAY MINIMUM RELATIVE HUMIDITY WILL BE 30 TO 45 PERCENT,
EXCEPT 50 TO 60 PERCENT ALONG THE IMMEDIATE SOUTH COAST AND
CAPE/ISLANDS. FRIDAY MINIMUM RELATIVE HUMIDITY WILL BE 20 TO
35 PERCENT, EXCEPT 30 TO 45 PERCENT ALONG THE IMMEDIATE SOUTH
COAST AND CAPE/ISLANDS.
OUTLOOK...SATURDAY THROUGH WEDNESDAY
AN APPROACHING FRONTAL BOUNDARY FROM THE SOUTH WILL BRING AN
INCREASING RISK FOR SHOWERS ON SATURDAY, SPREADING FROM SW TO NE
THROUGH THE DAY BEFORE WIDESPREAD RAIN COMES OVERNIGHT AND
SUNDAY. DRYING OUT MONDAY INTO NEXT WEEK WITH WARMING
TEMPERATURES.
MAZ015-220800-
SUFFOLK MA-
INCLUDING THE CITY OF BOSTON
409 PM EDT THU MAY 21 2026
TONIGHT FRI FRI NIGHT SAT
CLOUD COVER PCLDY PCLDY MCLDY MCLDY
PRECIP TYPE NONE NONE NONE NONE
CHANCE PRECIP (%)
CHANCE OF THUNDER (%) 0 0 0 0
TEMP (24H TREND) 45 (-12) 63 (-1) 46 64
RH % (24H TREND) 69 (+7) 26 (-6) 65 38
20FT WND AM(MPH) NE 5 LGT/VAR
20FT WND PM(MPH) LGT/VAR E 7 LGT/VAR E 6
PRECIP AMOUNT 0.00 0.00 0.00 0.00
PRECIP DURATION
PRECIP BEGIN
PRECIP END
MIXING HGT (FT-AGL) 430 4190 320 3770
TRANSPORT WND (KTS) E 5 NE 10 NW 3 SE 9
VENT RATE (KT-FT) 2150 41900 960 33930
MAX ADI EARLY 10 POOR 53 GEN GOOD 15 GEN POOR 29 FAIR
MAX ADI LATE 15 GEN POOR 47 GEN GOOD 3 VERY POOR 34 FAIR
MAX LVORI EARLY 3 2 3 2
MAX LVORI LATE 3 2 3 2
MIN VSBY EARLY 9 9 9 9
MIN VSBY LATE 9 9 9 9
SUNSHINE HOURS N/A N/A N/A N/A
CWR 0 0 0 0
REMARKS...NONE.
FORECAST FOR DAYS 3 THROUGH 7
SATURDAY NIGHT
CLOUDY WITH SHOWERS LIKELY. LOWS IN THE UPPER
40S. EAST WINDS 5 TO 10 MPH.
SUNDAY AND SUNDAY NIGHT
SHOWERS. LOWS IN THE UPPER 40S. HIGHS
IN THE UPPER 50S. EAST WINDS 10 TO 15 MPH.
MONDAY
MOSTLY CLOUDY WITH A CHANCE OF SHOWERS. HIGHS IN THE
UPPER 60S. NORTH WINDS 5 TO 10 MPH.
MONDAY NIGHT
MOSTLY CLOUDY. LOWS IN THE LOWER 50S. NORTHEAST
WINDS AROUND 5 MPH, BECOMING NORTHWEST AFTER MIDNIGHT.
TUESDAY AND TUESDAY NIGHT
PARTLY CLOUDY. LOWS IN THE MID 50S.
HIGHS IN THE MID 70S. WEST WINDS AROUND 5 MPH.
WEDNESDAY AND WEDNESDAY NIGHT
PARTLY CLOUDY. A CHANCE OF
SHOWERS. LOWS IN THE MID 50S. HIGHS IN THE UPPER 70S. NORTH WINDS
5 TO 10 MPH.
THURSDAY
MOSTLY SUNNY. HIGHS IN THE LOWER 70S. NORTH WINDS
5 TO 10 MPH.
MAZ016-220800-
EASTERN NORFOLK MA-
INCLUDING THE CITY OF QUINCY
409 PM EDT THU MAY 21 2026
TONIGHT FRI FRI NIGHT SAT
CLOUD COVER PCLDY PCLDY PCLDY MCLDY
PRECIP TYPE NONE NONE NONE NONE
CHANCE PRECIP (%)
CHANCE OF THUNDER (%) 0 0 0 0
TEMP (24H TREND) 44 (-12) 62 (-1) 45 64
RH % (24H TREND) 71 (+6) 27 (-11) 63 36
20FT WND AM(MPH) NE 6 LGT/VAR
20FT WND PM(MPH) LGT/VAR E 6 LGT/VAR E 6
PRECIP AMOUNT 0.00 0.00 0.00 0.00
PRECIP DURATION
PRECIP BEGIN
PRECIP END
MIXING HGT (FT-AGL) 440 3810 320 3950
TRANSPORT WND (KTS) NW 3 NE 11 NW 3 SE 9
VENT RATE (KT-FT) 1320 41910 960 35550
MAX ADI EARLY 12 POOR 56 GEN GOOD 21 FAIR 36 FAIR
MAX ADI LATE 17 GEN POOR 47 GEN GOOD 3 VERY POOR 42 GEN GOOD
MAX LVORI EARLY 3 2 4 2
MAX LVORI LATE 3 2 4 2
MIN VSBY EARLY 9 9 9 9
MIN VSBY LATE 9 9 9 9
SUNSHINE HOURS N/A N/A N/A N/A
CWR 0 0 0 0
REMARKS...NONE.
FORECAST FOR DAYS 3 THROUGH 7
SATURDAY NIGHT
CLOUDY WITH SHOWERS LIKELY. LOWS IN THE UPPER
40S. EAST WINDS 5 TO 10 MPH.
SUNDAY AND SUNDAY NIGHT
SHOWERS. LOWS IN THE UPPER 40S. HIGHS
IN THE UPPER 50S. EAST WINDS 10 TO 15 MPH.
MONDAY
MOSTLY CLOUDY WITH A CHANCE OF SHOWERS. HIGHS IN THE
UPPER 60S. NORTH WINDS 5 TO 10 MPH.
MONDAY NIGHT AND TUESDAY
MOSTLY CLOUDY. LOWS IN THE LOWER 50S.
HIGHS IN THE MID 70S. WEST WINDS AROUND 5 MPH.
TUESDAY NIGHT
PARTLY CLOUDY. LOWS IN THE MID 50S. SOUTHWEST
WINDS AROUND 5 MPH.
WEDNESDAY AND WEDNESDAY NIGHT
PARTLY CLOUDY. A CHANCE OF
SHOWERS. LOWS IN THE MID 50S. HIGHS IN THE UPPER 70S. NORTH WINDS
5 TO 10 MPH.
THURSDAY
MOSTLY SUNNY. HIGHS IN THE LOWER 70S. NORTH WINDS
5 TO 10 MPH.
MAZ013-220800-
WESTERN NORFOLK MA-
INCLUDING THE CITIES OF FOXBOROUGH AND NORWOOD
409 PM EDT THU MAY 21 2026
TONIGHT FRI FRI NIGHT SAT
CLOUD COVER PCLDY PCLDY MCLDY MCLDY
PRECIP TYPE NONE NONE NONE NONE
CHANCE PRECIP (%) 10
CHANCE OF THUNDER (%) 0 0 0 0
TEMP (24H TREND) 41 (-15) 65 (-1) 40 64
RH % (24H TREND) 80 (+7) 25 (-12) 76 32
20FT WND AM(MPH) LGT/VAR LGT/VAR
20FT WND PM(MPH) LGT/VAR E 5 LGT/VAR E 5
PRECIP AMOUNT 0.00 0.00 0.00 0.00
PRECIP DURATION
PRECIP BEGIN
PRECIP END
MIXING HGT (FT-AGL) 440 4720 330 4630
TRANSPORT WND (KTS) N 11 NE 8 N 3 SE 10
VENT RATE (KT-FT) 4840 37760 990 46300
MAX ADI EARLY 27 FAIR 59 GEN GOOD 30 FAIR 50 GEN GOOD
MAX ADI LATE 11 POOR 56 GEN GOOD 3 VERY POOR 61 GOOD
MAX LVORI EARLY 3 1 4 1
MAX LVORI LATE 3 1 4 1
MIN VSBY EARLY 9 9 9 9
MIN VSBY LATE 9 9 9 9
SUNSHINE HOURS N/A N/A N/A N/A
CWR 0 0 0 0
REMARKS...NONE.
FORECAST FOR DAYS 3 THROUGH 7
SATURDAY NIGHT
CLOUDY WITH SHOWERS LIKELY. LOWS IN THE MID
40S. EAST WINDS AROUND 5 MPH.
SUNDAY AND SUNDAY NIGHT
SHOWERS. LOWS IN THE UPPER 40S. HIGHS
IN THE UPPER 50S. NORTHEAST WINDS 5 TO 10 MPH.
MONDAY
MOSTLY CLOUDY WITH A CHANCE OF SHOWERS. WARMER. HIGHS
IN THE UPPER 60S. NORTH WINDS AROUND 5 MPH.
MONDAY NIGHT AND TUESDAY
MOSTLY CLOUDY. LOWS IN THE LOWER 50S.
HIGHS IN THE UPPER 70S. WEST WINDS AROUND 5 MPH.
TUESDAY NIGHT
PARTLY CLOUDY. LOWS IN THE MID 50S. WEST WINDS
AROUND 5 MPH.
WEDNESDAY AND WEDNESDAY NIGHT
PARTLY CLOUDY. A CHANCE OF
SHOWERS. LOWS IN THE MID 50S. HIGHS AROUND 80. NORTH WINDS 5 TO
10 MPH.
THURSDAY
MOSTLY SUNNY. HIGHS IN THE MID 70S. NORTH WINDS 5 TO
10 MPH.
MAZ014-220800-
SOUTHEAST MIDDLESEX MA-
INCLUDING THE CITY OF CAMBRIDGE
409 PM EDT THU MAY 21 2026
TONIGHT FRI FRI NIGHT SAT
CLOUD COVER PCLDY PCLDY MCLDY MCLDY
PRECIP TYPE NONE NONE NONE NONE
CHANCE PRECIP (%)
CHANCE OF THUNDER (%) 0 0 0 0
TEMP (24H TREND) 42 (-15) 64 (-2) 42 64
RH % (24H TREND) 73 (+12) 27 (-7) 76 35
20FT WND AM(MPH) LGT/VAR LGT/VAR
20FT WND PM(MPH) LGT/VAR E 6 LGT/VAR E 6
PRECIP AMOUNT 0.00 0.00 0.00 0.00
PRECIP DURATION
PRECIP BEGIN
PRECIP END
MIXING HGT (FT-AGL) 500 4880 320 4820
TRANSPORT WND (KTS) N 10 NE 8 W 4 SE 10
VENT RATE (KT-FT) 5000 39040 1280 48200
MAX ADI EARLY 27 FAIR 55 GEN GOOD 20 GEN POOR 50 GEN GOOD
MAX ADI LATE 12 POOR 52 GEN GOOD 3 VERY POOR 60 GEN GOOD
MAX LVORI EARLY 3 2 3 1
MAX LVORI LATE 3 2 3 1
MIN VSBY EARLY 9 9 9 9
MIN VSBY LATE 9 9 9 9
SUNSHINE HOURS N/A N/A N/A N/A
CWR 0 0 0 0
REMARKS...NONE.
FORECAST FOR DAYS 3 THROUGH 7
SATURDAY NIGHT
CLOUDY WITH SHOWERS LIKELY. LOWS IN THE UPPER
40S. EAST WINDS AROUND 5 MPH.
SUNDAY AND SUNDAY NIGHT
SHOWERS. LOWS IN THE UPPER 40S. HIGHS
IN THE UPPER 50S. NORTHEAST WINDS 5 TO 10 MPH.
MONDAY
MOSTLY CLOUDY WITH A CHANCE OF SHOWERS. WARMER. HIGHS
IN THE UPPER 60S. NORTH WINDS AROUND 5 MPH.
MONDAY NIGHT
MOSTLY CLOUDY. LOWS IN THE LOWER 50S. NORTHEAST
WINDS AROUND 5 MPH, BECOMING WEST AFTER MIDNIGHT.
TUESDAY AND TUESDAY NIGHT
PARTLY CLOUDY. LOWS IN THE MID 50S.
HIGHS IN THE MID 70S. WEST WINDS AROUND 5 MPH.
WEDNESDAY AND WEDNESDAY NIGHT
PARTLY CLOUDY. A CHANCE OF
SHOWERS. LOWS IN THE MID 50S. HIGHS IN THE UPPER 70S. NORTH WINDS
5 TO 10 MPH.
THURSDAY
MOSTLY SUNNY. HIGHS IN THE LOWER 70S. NORTH WINDS
AROUND 5 MPH.
MAZ007-220800-
EASTERN ESSEX MA-
INCLUDING THE CITY OF GLOUCESTER
409 PM EDT THU MAY 21 2026
TONIGHT FRI FRI NIGHT SAT
CLOUD COVER PCLDY PCLDY PCLDY MCLDY
PRECIP TYPE NONE NONE NONE NONE
CHANCE PRECIP (%)
CHANCE OF THUNDER (%) 0 0 0 0
TEMP (24H TREND) 41 (-14) 62 (-1) 41 64
RH % (24H TREND) 80 (+2) 28 (-7) 89 39
20FT WND AM(MPH) NE 5 LGT/VAR
20FT WND PM(MPH) LGT/VAR E 6 LGT/VAR E 5
PRECIP AMOUNT 0.00 0.00 0.00 0.00
PRECIP DURATION
PRECIP BEGIN
PRECIP END
MIXING HGT (FT-AGL) 390 4030 320 3350
TRANSPORT WND (KTS) S 5 NE 8 NW 3 E 8
VENT RATE (KT-FT) 1950 32240 960 26800
MAX ADI EARLY 10 POOR 43 GEN GOOD 13 GEN POOR 25 FAIR
MAX ADI LATE 12 POOR 38 FAIR 3 VERY POOR 26 FAIR
MAX LVORI EARLY 3 2 3 2
MAX LVORI LATE 3 2 3 2
MIN VSBY EARLY 9 9 9 9
MIN VSBY LATE 9 9 9 9
SUNSHINE HOURS N/A N/A N/A N/A
CWR 0 0 0 0
REMARKS...NONE.
FORECAST FOR DAYS 3 THROUGH 7
SATURDAY NIGHT
MOSTLY CLOUDY WITH A CHANCE OF SHOWERS. LOWS IN
THE UPPER 40S. SOUTHEAST WINDS 5 TO 10 MPH.
SUNDAY AND SUNDAY NIGHT
SHOWERS. LOWS IN THE UPPER 40S. HIGHS
IN THE MID 50S. EAST WINDS 10 TO 15 MPH.
MONDAY
MOSTLY CLOUDY WITH A CHANCE OF SHOWERS. HIGHS IN THE
MID 60S. NORTHEAST WINDS 5 TO 10 MPH.
MONDAY NIGHT
MOSTLY CLOUDY. LOWS IN THE LOWER 50S. NORTHEAST
WINDS AROUND 5 MPH, BECOMING NORTHWEST AFTER MIDNIGHT.
TUESDAY AND TUESDAY NIGHT
PARTLY CLOUDY. LOWS IN THE LOWER
50S. HIGHS IN THE LOWER 70S. WEST WINDS 5 TO 10 MPH.
WEDNESDAY AND WEDNESDAY NIGHT
PARTLY CLOUDY. A CHANCE OF
SHOWERS. LOWS IN THE LOWER 50S. HIGHS IN THE MID 70S. NORTH WINDS
5 TO 10 MPH.
THURSDAY
MOSTLY SUNNY. HIGHS AROUND 70. NORTH WINDS 5 TO
10 MPH, BECOMING EAST IN THE AFTERNOON.
MAZ006-220800-
WESTERN ESSEX MA-
INCLUDING THE CITY OF LAWRENCE
409 PM EDT THU MAY 21 2026
TONIGHT FRI FRI NIGHT SAT
CLOUD COVER PCLDY PCLDY PCLDY MCLDY
PRECIP TYPE NONE NONE NONE NONE
CHANCE PRECIP (%)
CHANCE OF THUNDER (%) 0 0 0 0
TEMP (24H TREND) 41 (-15) 66 (+1) 42 64
RH % (24H TREND) 73 (-14) 26 (-4) 76 35
20FT WND AM(MPH) LGT/VAR LGT/VAR
20FT WND PM(MPH) LGT/VAR LGT/VAR LGT/VAR SE 5
PRECIP AMOUNT 0.00 0.00 0.00 0.00
PRECIP DURATION
PRECIP BEGIN
PRECIP END
MIXING HGT (FT-AGL) 400 5390 320 5350
TRANSPORT WND (KTS) N 9 NE 6 W 3 E 9
VENT RATE (KT-FT) 3600 32340 960 48150
MAX ADI EARLY 39 FAIR 51 GEN GOOD 21 FAIR 56 GEN GOOD
MAX ADI LATE 10 POOR 50 GEN GOOD 3 VERY POOR 62 GOOD
MAX LVORI EARLY 3 2 3 1
MAX LVORI LATE 3 2 3 1
MIN VSBY EARLY 9 9 9 9
MIN VSBY LATE 9 9 9 9
SUNSHINE HOURS N/A N/A N/A N/A
CWR 0 0 0 0
REMARKS...NONE.
FORECAST FOR DAYS 3 THROUGH 7
SATURDAY NIGHT
MOSTLY CLOUDY WITH A CHANCE OF SHOWERS. LOWS IN
THE MID 40S. SOUTHEAST WINDS AROUND 5 MPH.
SUNDAY AND SUNDAY NIGHT
SHOWERS. LOWS IN THE UPPER 40S. HIGHS
IN THE MID 50S. NORTHEAST WINDS 5 TO 10 MPH.
MONDAY
MOSTLY CLOUDY WITH A CHANCE OF SHOWERS. WARMER. HIGHS
IN THE UPPER 60S. NORTH WINDS AROUND 5 MPH.
MONDAY NIGHT
MOSTLY CLOUDY. LOWS AROUND 50. NORTHEAST WINDS
AROUND 5 MPH IN THE EVENING, BECOMING LIGHT AND VARIABLE.
TUESDAY AND TUESDAY NIGHT
PARTLY CLOUDY. LOWS IN THE LOWER
50S. HIGHS IN THE MID 70S. WEST WINDS AROUND 5 MPH.
WEDNESDAY AND WEDNESDAY NIGHT
PARTLY CLOUDY. A CHANCE OF
SHOWERS. LOWS IN THE LOWER 50S. HIGHS IN THE UPPER 70S. NORTH
WINDS 5 TO 10 MPH.
THURSDAY
MOSTLY SUNNY. HIGHS IN THE LOWER 70S. NORTH WINDS
5 TO 10 MPH.
MAZ005-220800-
CENTRAL MIDDLESEX MA-
INCLUDING THE CITIES OF FRAMINGHAM AND LOWELL
409 PM EDT THU MAY 21 2026
TONIGHT FRI FRI NIGHT SAT
CLOUD COVER PCLDY PCLDY MCLDY MCLDY
PRECIP TYPE NONE NONE NONE NONE
CHANCE PRECIP (%) 10
CHANCE OF THUNDER (%) 0 0 0 0
TEMP (24H TREND) 41 (-14) 66 (0) 40 65
RH % (24H TREND) 76 (+9) 25 (-5) 82 32
20FT WND AM(MPH) LGT/VAR LGT/VAR
20FT WND PM(MPH) LGT/VAR LGT/VAR LGT/VAR SE 5
PRECIP AMOUNT 0.00 0.00 0.00 0.00
PRECIP DURATION
PRECIP BEGIN
PRECIP END
MIXING HGT (FT-AGL) 410 5640 330 5380
TRANSPORT WND (KTS) NE 9 NE 6 NW 3 SE 10
VENT RATE (KT-FT) 3690 33840 990 53800
MAX ADI EARLY 48 GEN GOOD 53 GEN GOOD 25 FAIR 59 GEN GOOD
MAX ADI LATE 10 POOR 52 GEN GOOD 3 VERY POOR 69 GOOD
MAX LVORI EARLY 3 1 3 1
MAX LVORI LATE 3 1 3 1
MIN VSBY EARLY 9 9 9 9
MIN VSBY LATE 9 9 9 9
SUNSHINE HOURS N/A N/A N/A N/A
CWR 0 0 0 0
REMARKS...NONE.
FORECAST FOR DAYS 3 THROUGH 7
SATURDAY NIGHT
CLOUDY WITH SHOWERS LIKELY. LOWS IN THE MID
40S. EAST WINDS AROUND 5 MPH.
SUNDAY AND SUNDAY NIGHT
SHOWERS. LOWS IN THE MID 40S. HIGHS IN
THE MID 50S. NORTHEAST WINDS 5 TO 10 MPH.
MONDAY
MOSTLY CLOUDY WITH A CHANCE OF SHOWERS. WARMER. HIGHS
IN THE UPPER 60S. NORTH WINDS AROUND 5 MPH.
MONDAY NIGHT
MOSTLY CLOUDY. LOWS IN THE LOWER 50S. EAST WINDS
AROUND 5 MPH, BECOMING WEST AFTER MIDNIGHT.
TUESDAY AND TUESDAY NIGHT
PARTLY CLOUDY. LOWS IN THE LOWER
50S. HIGHS IN THE UPPER 70S. WEST WINDS AROUND 5 MPH.
WEDNESDAY
MOSTLY SUNNY WITH A CHANCE OF SHOWERS. HIGHS AROUND
80. NORTHWEST WINDS 5 TO 10 MPH.
WEDNESDAY NIGHT AND THURSDAY
PARTLY CLOUDY. LOWS IN THE LOWER
50S. HIGHS IN THE MID 70S. NORTHWEST WINDS 5 TO 10 MPH.
MAZ012-220800-
SOUTHERN WORCESTER MA-
INCLUDING THE CITIES OF MILFORD AND WORCESTER
409 PM EDT THU MAY 21 2026
TONIGHT FRI FRI NIGHT SAT
CLOUD COVER PCLDY PCLDY MCLDY MCLDY
PRECIP TYPE NONE NONE NONE NONE
CHANCE PRECIP (%) 10
CHANCE OF THUNDER (%) 0 0 0 0
TEMP (24H TREND) 43 (-11) 66 (0) 42 64
RH % (24H TREND) 74 (-4) 27 (-7) 76 36
20FT WND AM(MPH) NE 5 LGT/VAR
20FT WND PM(MPH) LGT/VAR LGT/VAR LGT/VAR E 5
PRECIP AMOUNT 0.00 0.00 0.00 0.00
PRECIP DURATION
PRECIP BEGIN
PRECIP END
MIXING HGT (FT-AGL) 440 5430 340 4700
TRANSPORT WND (KTS) NE 10 NE 7 NE 4 SE 11
VENT RATE (KT-FT) 4400 38010 1360 51700
MAX ADI EARLY 42 GEN GOOD 53 GEN GOOD 32 FAIR 59 GEN GOOD
MAX ADI LATE 11 POOR 53 GEN GOOD 4 VERY POOR 68 GOOD
MAX LVORI EARLY 3 1 4 1
MAX LVORI LATE 3 1 4 1
MIN VSBY EARLY 9 9 9 9
MIN VSBY LATE 9 9 9 9
SUNSHINE HOURS N/A N/A N/A N/A
CWR 0 0 0 0
REMARKS...NONE.
FORECAST FOR DAYS 3 THROUGH 7
SATURDAY NIGHT
CLOUDY WITH SHOWERS LIKELY. LOWS IN THE MID
40S. EAST WINDS 5 TO 10 MPH.
SUNDAY
SHOWERS. HIGHS IN THE MID 50S. EAST WINDS 5 TO 10 MPH.
SUNDAY NIGHT
MOSTLY CLOUDY WITH SHOWERS LIKELY. LOWS IN THE
UPPER 40S. NORTHEAST WINDS 5 TO 10 MPH.
MONDAY
MOSTLY CLOUDY WITH A CHANCE OF SHOWERS. WARMER. HIGHS
IN THE LOWER 70S. NORTH WINDS AROUND 5 MPH.
MONDAY NIGHT
MOSTLY CLOUDY. LOWS IN THE LOWER 50S. WEST WINDS
AROUND 5 MPH.
TUESDAY THROUGH THURSDAY
PARTLY CLOUDY. LOWS IN THE MID 50S.
HIGHS 76 TO 81. NORTHWEST WINDS 5 TO 10 MPH.
MAZ004-220800-
NORTHERN WORCESTER MA-
INCLUDING THE CITIES OF BARRE AND FITCHBURG
409 PM EDT THU MAY 21 2026
TONIGHT FRI FRI NIGHT SAT
CLOUD COVER PCLDY PCLDY MCLDY MCLDY
PRECIP TYPE NONE NONE NONE NONE
CHANCE PRECIP (%) 10
CHANCE OF THUNDER (%) 0 0 0 0
TEMP (24H TREND) 39 (-13) 66 (+2) 43 64
RH % (24H TREND) 82 (+5) 26 (-4) 79 34
20FT WND AM(MPH) LGT/VAR LGT/VAR
20FT WND PM(MPH) LGT/VAR LGT/VAR LGT/VAR SE 6
PRECIP AMOUNT 0.00 0.00 0.00 0.00
PRECIP DURATION
PRECIP BEGIN
PRECIP END
MIXING HGT (FT-AGL) 410 5460 340 4830
TRANSPORT WND (KTS) NE 8 NE 5 N 4 SE 11
VENT RATE (KT-FT) 3280 27300 1360 53130
MAX ADI EARLY 48 GEN GOOD 47 GEN GOOD 28 FAIR 57 GEN GOOD
MAX ADI LATE 9 POOR 47 GEN GOOD 4 VERY POOR 68 GOOD
MAX LVORI EARLY 3 1 4 1
MAX LVORI LATE 3 1 4 1
MIN VSBY EARLY 9 9 9 9
MIN VSBY LATE 9 9 9 9
SUNSHINE HOURS N/A N/A N/A N/A
CWR 0 0 0 0
REMARKS...NONE.
FORECAST FOR DAYS 3 THROUGH 7
SATURDAY NIGHT
CLOUDY WITH SHOWERS LIKELY. LOWS IN THE LOWER
40S. EAST WINDS 5 TO 10 MPH.
SUNDAY
SHOWERS. HIGHS IN THE MID 50S. EAST WINDS 5 TO 10 MPH.
SUNDAY NIGHT
SHOWERS. LOWS IN THE MID 40S. NORTHEAST WINDS
5 TO 10 MPH.
MONDAY
MOSTLY CLOUDY WITH A CHANCE OF SHOWERS. WARMER. HIGHS
IN THE UPPER 60S. NORTHEAST WINDS AROUND 5 MPH, BECOMING
NORTHWEST IN THE AFTERNOON.
MONDAY NIGHT
MOSTLY CLOUDY. LOWS AROUND 50. NORTHWEST WINDS
AROUND 5 MPH.
TUESDAY THROUGH THURSDAY
PARTLY CLOUDY. LOWS IN THE LOWER 50S.
HIGHS 74 TO 79. NORTHWEST WINDS 5 TO 10 MPH.
MAZ026-220800-
NORTHERN MIDDLESEX MA-
INCLUDING THE CITY OF AYER
409 PM EDT THU MAY 21 2026
TONIGHT FRI FRI NIGHT SAT
CLOUD COVER PCLDY PCLDY MCLDY MCLDY
PRECIP TYPE NONE NONE NONE NONE
CHANCE PRECIP (%) 10
CHANCE OF THUNDER (%) 0 0 0 0
TEMP (24H TREND) 41 (-12) 68 (+2) 43 66
RH % (24H TREND) 73 (+8) 26 (-5) 73 36
20FT WND AM(MPH) LGT/VAR LGT/VAR
20FT WND PM(MPH) LGT/VAR LGT/VAR LGT/VAR LGT/VAR
PRECIP AMOUNT 0.00 0.00 0.00 0.00
PRECIP DURATION
PRECIP BEGIN
PRECIP END
MIXING HGT (FT-AGL) 400 5780 340 5290
TRANSPORT WND (KTS) N 8 N 5 NW 3 SE 10
VENT RATE (KT-FT) 3200 28900 1020 52900
MAX ADI EARLY 60 GEN GOOD 47 GEN GOOD 25 FAIR 57 GEN GOOD
MAX ADI LATE 9 POOR 45 GEN GOOD 3 VERY POOR 73 GOOD
MAX LVORI EARLY 3 1 4 1
MAX LVORI LATE 3 1 4 1
MIN VSBY EARLY 9 9 9 9
MIN VSBY LATE 9 9 9 9
SUNSHINE HOURS N/A N/A N/A N/A
CWR 0 0 0 0
REMARKS...NONE.
FORECAST FOR DAYS 3 THROUGH 7
SATURDAY NIGHT
CLOUDY WITH SHOWERS LIKELY. LOWS IN THE LOWER
40S. EAST WINDS AROUND 5 MPH.
SUNDAY
SHOWERS. HIGHS IN THE MID 50S. EAST WINDS 5 TO 10 MPH.
SUNDAY NIGHT
SHOWERS. LOWS IN THE MID 40S. NORTHEAST WINDS
AROUND 5 MPH.
MONDAY
MOSTLY CLOUDY WITH A CHANCE OF SHOWERS. WARMER. HIGHS
IN THE UPPER 60S. NORTH WINDS AROUND 5 MPH.
MONDAY NIGHT
MOSTLY CLOUDY. LOWS AROUND 50. NORTHWEST WINDS
AROUND 5 MPH.
TUESDAY AND TUESDAY NIGHT
PARTLY CLOUDY. LOWS IN THE LOWER
50S. HIGHS IN THE UPPER 70S. WEST WINDS AROUND 5 MPH.
WEDNESDAY
MOSTLY SUNNY WITH A CHANCE OF SHOWERS. HIGHS AROUND
80. NORTHWEST WINDS AROUND 5 MPH.
WEDNESDAY NIGHT AND THURSDAY
PARTLY CLOUDY. LOWS IN THE LOWER
50S. HIGHS IN THE MID 70S. NORTH WINDS AROUND 5 MPH.
MAZ002-220800-
WESTERN FRANKLIN MA-
INCLUDING THE CITY OF CHARLEMONT
409 PM EDT THU MAY 21 2026
TONIGHT FRI FRI NIGHT SAT
CLOUD COVER PCLDY PCLDY MCLDY MCLDY
PRECIP TYPE NONE NONE NONE SHOWERS
CHANCE PRECIP (%) 30
CHANCE OF THUNDER (%) 0 0 0 0
TEMP (24H TREND) 36 (-14) 66 (+3) 40 63
RH % (24H TREND) 79 (-10) 28 (-2) 76 39
20FT WND AM(MPH) LGT/VAR LGT/VAR
20FT WND PM(MPH) LGT/VAR LGT/VAR LGT/VAR LGT/VAR
PRECIP AMOUNT 0.00 0.00 0.00 0.00
PRECIP DURATION
PRECIP BEGIN
PRECIP END
MIXING HGT (FT-AGL) 430 5180 360 4710
TRANSPORT WND (KTS) N 8 NE 6 NE 5 SE 12
VENT RATE (KT-FT) 3440 31080 1800 56520
MAX ADI EARLY 50 GEN GOOD 45 GEN GOOD 30 FAIR 52 GEN GOOD
MAX ADI LATE 9 POOR 44 GEN GOOD 5 VERY POOR 73 GOOD
MAX LVORI EARLY 3 1 3 1
MAX LVORI LATE 3 1 3 1
MIN VSBY EARLY 9 9 9 9
MIN VSBY LATE 9 9 9 9
SUNSHINE HOURS N/A N/A N/A N/A
CWR 0 0 0 10
REMARKS...NONE.
FORECAST FOR DAYS 3 THROUGH 7
SATURDAY NIGHT
SHOWERS. LOWS IN THE LOWER 40S. EAST WINDS
10 TO 15 MPH.
SUNDAY
SHOWERS. HIGHS IN THE LOWER 50S. EAST WINDS 10 TO
15 MPH.
SUNDAY NIGHT
MOSTLY CLOUDY WITH SHOWERS LIKELY. LOWS IN THE
MID 40S. NORTHEAST WINDS 5 TO 10 MPH.
MONDAY
MOSTLY CLOUDY WITH A CHANCE OF SHOWERS. WARMER. HIGHS
AROUND 70. NORTH WINDS AROUND 5 MPH, BECOMING WEST IN THE
AFTERNOON.
MONDAY NIGHT
MOSTLY CLOUDY. LOWS IN THE LOWER 50S. WEST WINDS
AROUND 5 MPH.
TUESDAY THROUGH THURSDAY
PARTLY CLOUDY. LOWS IN THE LOWER 50S.
HIGHS IN THE MID 70S. NORTHWEST WINDS AROUND 5 MPH.
MAZ003-220800-
EASTERN FRANKLIN MA-
INCLUDING THE CITIES OF GREENFIELD AND ORANGE
409 PM EDT THU MAY 21 2026
TONIGHT FRI FRI NIGHT SAT
CLOUD COVER PCLDY PCLDY MCLDY MCLDY
PRECIP TYPE NONE NONE NONE SHOWERS
CHANCE PRECIP (%) 20
CHANCE OF THUNDER (%) 0 0 0 0
TEMP (24H TREND) 37 (-15) 67 (+2) 41 65
RH % (24H TREND) 89 (+15) 27 (-1) 86 35
20FT WND AM(MPH) LGT/VAR LGT/VAR
20FT WND PM(MPH) LGT/VAR LGT/VAR LGT/VAR SE 5
PRECIP AMOUNT 0.00 0.00 0.00 0.00
PRECIP DURATION
PRECIP BEGIN
PRECIP END
MIXING HGT (FT-AGL) 380 5590 350 4940
TRANSPORT WND (KTS) N 7 NE 5 S 4 SE 11
VENT RATE (KT-FT) 2660 27950 1400 54340
MAX ADI EARLY 53 GEN GOOD 45 GEN GOOD 26 FAIR 55 GEN GOOD
MAX ADI LATE 8 POOR 43 GEN GOOD 3 VERY POOR 69 GOOD
MAX LVORI EARLY 3 1 4 1
MAX LVORI LATE 3 1 4 1
MIN VSBY EARLY 9 9 9 9
MIN VSBY LATE 9 9 9 9
SUNSHINE HOURS N/A N/A N/A N/A
CWR 0 0 0 10
REMARKS...NONE.
FORECAST FOR DAYS 3 THROUGH 7
SATURDAY NIGHT
SHOWERS. LOWS IN THE LOWER 40S. EAST WINDS 5 TO
10 MPH.
SUNDAY
SHOWERS. HIGHS IN THE MID 50S. EAST WINDS 5 TO 10 MPH.
SUNDAY NIGHT
CLOUDY WITH SHOWERS LIKELY. LOWS IN THE UPPER
40S. NORTHEAST WINDS 5 TO 10 MPH.
MONDAY
MOSTLY CLOUDY WITH A CHANCE OF SHOWERS. WARMER. HIGHS
IN THE LOWER 70S. NORTH WINDS AROUND 5 MPH, BECOMING NORTHWEST IN
THE AFTERNOON.
MONDAY NIGHT
MOSTLY CLOUDY. LOWS IN THE LOWER 50S. NORTHWEST
WINDS AROUND 5 MPH.
TUESDAY AND TUESDAY NIGHT
PARTLY CLOUDY. LOWS IN THE LOWER
50S. HIGHS IN THE UPPER 70S. WEST WINDS AROUND 5 MPH.
WEDNESDAY
SUNNY. HIGHS IN THE LOWER 80S. NORTHWEST WINDS 5 TO
10 MPH.
WEDNESDAY NIGHT AND THURSDAY
PARTLY CLOUDY. LOWS IN THE LOWER
50S. HIGHS IN THE UPPER 70S. NORTHWEST WINDS 5 TO 10 MPH.
MAZ008-220800-
WESTERN HAMPSHIRE MA-
INCLUDING THE CITY OF CHESTERFIELD
409 PM EDT THU MAY 21 2026
TONIGHT FRI FRI NIGHT SAT
CLOUD COVER PCLDY PCLDY MCLDY MCLDY
PRECIP TYPE NONE NONE NONE SHOWERS
CHANCE PRECIP (%) 40
CHANCE OF THUNDER (%) 0 0 0 0
TEMP (24H TREND) 37 (-14) 66 (+2) 41 61
RH % (24H TREND) 76 (-1) 28 (-5) 76 43
20FT WND AM(MPH) LGT/VAR LGT/VAR
20FT WND PM(MPH) LGT/VAR LGT/VAR LGT/VAR SE 5
PRECIP AMOUNT 0.00 0.00 0.00 0.00
PRECIP DURATION
PRECIP BEGIN
PRECIP END
MIXING HGT (FT-AGL) 450 5250 360 4190
TRANSPORT WND (KTS) N 9 NE 6 NE 4 SE 13
VENT RATE (KT-FT) 4050 31500 1440 54470
MAX ADI EARLY 45 GEN GOOD 44 GEN GOOD 30 FAIR 54 GEN GOOD
MAX ADI LATE 10 POOR 46 GEN GOOD 5 VERY POOR 71 GOOD
MAX LVORI EARLY 3 1 3 1
MAX LVORI LATE 3 1 3 1
MIN VSBY EARLY 9 9 9 9
MIN VSBY LATE 9 9 9 9
SUNSHINE HOURS N/A N/A N/A N/A
CWR 0 0 0 10
REMARKS...NONE.
FORECAST FOR DAYS 3 THROUGH 7
SATURDAY NIGHT
SHOWERS. LOWS IN THE LOWER 40S. EAST WINDS 5 TO
10 MPH.
SUNDAY
SHOWERS. HIGHS IN THE LOWER 50S. EAST WINDS 5 TO
10 MPH.
SUNDAY NIGHT
CLOUDY WITH SHOWERS LIKELY. LOWS IN THE MID 40S.
NORTHEAST WINDS 5 TO 10 MPH.
MONDAY
MOSTLY CLOUDY WITH A CHANCE OF SHOWERS. WARMER. HIGHS
IN THE LOWER 70S. NORTH WINDS AROUND 5 MPH, BECOMING WEST IN THE
AFTERNOON.
MONDAY NIGHT
MOSTLY CLOUDY. LOWS IN THE LOWER 50S. WEST WINDS
AROUND 5 MPH.
TUESDAY AND TUESDAY NIGHT
PARTLY CLOUDY. LOWS IN THE LOWER
50S. HIGHS IN THE UPPER 70S. WEST WINDS AROUND 5 MPH.
WEDNESDAY
SUNNY. HIGHS IN THE UPPER 70S. NORTHWEST WINDS
AROUND 5 MPH.
WEDNESDAY NIGHT AND THURSDAY
PARTLY CLOUDY. LOWS IN THE LOWER
50S. HIGHS IN THE MID 70S. NORTHWEST WINDS AROUND 5 MPH.
MAZ010-220800-
EASTERN HAMPSHIRE MA-
INCLUDING THE CITIES OF AMHERST AND NORTHAMPTON
409 PM EDT THU MAY 21 2026
TONIGHT FRI FRI NIGHT SAT
CLOUD COVER PCLDY PCLDY MCLDY MCLDY
PRECIP TYPE NONE NONE NONE SHOWERS
CHANCE PRECIP (%) 30
CHANCE OF THUNDER (%) 0 0 0 0
TEMP (24H TREND) 39 (-15) 69 (+3) 42 65
RH % (24H TREND) 82 (+2) 27 (-5) 82 39
20FT WND AM(MPH) LGT/VAR LGT/VAR
20FT WND PM(MPH) LGT/VAR LGT/VAR LGT/VAR SE 5
PRECIP AMOUNT 0.00 0.00 0.00 0.00
PRECIP DURATION
PRECIP BEGIN
PRECIP END
MIXING HGT (FT-AGL) 410 5660 370 4640
TRANSPORT WND (KTS) N 8 NE 6 NE 3 SE 12
VENT RATE (KT-FT) 3280 33960 1110 55680
MAX ADI EARLY 40 FAIR 50 GEN GOOD 32 FAIR 56 GEN GOOD
MAX ADI LATE 9 POOR 46 GEN GOOD 3 VERY POOR 71 GOOD
MAX LVORI EARLY 3 1 4 1
MAX LVORI LATE 3 1 4 1
MIN VSBY EARLY 9 9 9 9
MIN VSBY LATE 9 9 9 9
SUNSHINE HOURS N/A N/A N/A N/A
CWR 0 0 0 10
REMARKS...NONE.
FORECAST FOR DAYS 3 THROUGH 7
SATURDAY NIGHT
SHOWERS. LOWS IN THE MID 40S. EAST WINDS 5 TO
10 MPH.
SUNDAY
SHOWERS. HIGHS IN THE MID 50S. EAST WINDS 5 TO 10 MPH.
SUNDAY NIGHT
MOSTLY CLOUDY WITH SHOWERS LIKELY. LOWS IN THE
UPPER 40S. NORTHEAST WINDS 5 TO 10 MPH.
MONDAY
MOSTLY CLOUDY WITH A CHANCE OF SHOWERS. WARMER. HIGHS
IN THE LOWER 70S. NORTH WINDS AROUND 5 MPH, BECOMING NORTHWEST IN
THE AFTERNOON.
MONDAY NIGHT
MOSTLY CLOUDY. LOWS IN THE LOWER 50S. WEST WINDS
AROUND 5 MPH, BECOMING NORTHWEST AFTER MIDNIGHT.
TUESDAY AND TUESDAY NIGHT
PARTLY CLOUDY. LOWS IN THE MID 50S.
HIGHS AROUND 80. WEST WINDS AROUND 5 MPH.
WEDNESDAY
SUNNY. HIGHS IN THE LOWER 80S. NORTHWEST WINDS 5 TO
10 MPH.
WEDNESDAY NIGHT AND THURSDAY
PARTLY CLOUDY. LOWS IN THE MID
50S. HIGHS IN THE UPPER 70S. NORTHWEST WINDS 5 TO 10 MPH.
MAZ009-220800-
WESTERN HAMPDEN MA-
INCLUDING THE CITY OF BLANDFORD
409 PM EDT THU MAY 21 2026
TONIGHT FRI FRI NIGHT SAT
CLOUD COVER PCLDY PCLDY MCLDY MCLDY
PRECIP TYPE NONE NONE NONE SHOWERS
CHANCE PRECIP (%) 50
CHANCE OF THUNDER (%) 0 0 0 0
TEMP (24H TREND) 39 (-13) 66 (+2) 43 61
RH % (24H TREND) 73 (-1) 27 (-5) 73 45
20FT WND AM(MPH) LGT/VAR LGT/VAR
20FT WND PM(MPH) LGT/VAR LGT/VAR LGT/VAR SE 5
PRECIP AMOUNT 0.00 0.00 0.00 0.01
PRECIP DURATION 1
PRECIP BEGIN 2 PM
PRECIP END CONTINUING
MIXING HGT (FT-AGL) 460 5280 340 3590
TRANSPORT WND (KTS) N 10 E 6 NE 4 SE 14
VENT RATE (KT-FT) 4600 31680 1360 50260
MAX ADI EARLY 41 GEN GOOD 47 GEN GOOD 33 FAIR 49 GEN GOOD
MAX ADI LATE 11 POOR 47 GEN GOOD 5 VERY POOR 65 GOOD
MAX LVORI EARLY 3 1 3 1
MAX LVORI LATE 3 1 3 1
MIN VSBY EARLY 9 9 9 9
MIN VSBY LATE 9 9 9 9
SUNSHINE HOURS N/A N/A N/A N/A
CWR 0 0 0 20
REMARKS...NONE.
FORECAST FOR DAYS 3 THROUGH 7
SATURDAY NIGHT
SHOWERS. LOWS IN THE LOWER 40S. EAST WINDS 5 TO
10 MPH.
SUNDAY AND SUNDAY NIGHT
SHOWERS. LOWS IN THE MID 40S. HIGHS IN
THE MID 50S. NORTHEAST WINDS 5 TO 10 MPH.
MONDAY
MOSTLY CLOUDY WITH A CHANCE OF SHOWERS. WARMER. HIGHS
IN THE LOWER 70S. NORTH WINDS AROUND 5 MPH, BECOMING WEST IN THE
AFTERNOON.
MONDAY NIGHT
MOSTLY CLOUDY. LOWS IN THE LOWER 50S. WEST WINDS
AROUND 5 MPH.
TUESDAY AND TUESDAY NIGHT
PARTLY CLOUDY. LOWS IN THE MID 50S.
HIGHS IN THE UPPER 70S. WEST WINDS AROUND 5 MPH.
WEDNESDAY
SUNNY. HIGHS IN THE LOWER 80S. NORTHWEST WINDS 5 TO
10 MPH.
WEDNESDAY NIGHT
PARTLY CLOUDY. LOWS IN THE MID 50S. NORTHWEST
WINDS 5 TO 10 MPH.
THURSDAY
SUNNY. HIGHS IN THE UPPER 70S. NORTHWEST WINDS AROUND
5 MPH.
MAZ011-220800-
EASTERN HAMPDEN MA-
INCLUDING THE CITY OF SPRINGFIELD
409 PM EDT THU MAY 21 2026
TONIGHT FRI FRI NIGHT SAT
CLOUD COVER PCLDY PCLDY MCLDY MCLDY
PRECIP TYPE NONE NONE NONE SHOWERS
CHANCE PRECIP (%) 30
CHANCE OF THUNDER (%) 0 0 0 0
TEMP (24H TREND) 40 (-14) 69 (+3) 42 64
RH % (24H TREND) 79 (-1) 25 (-8) 86 36
20FT WND AM(MPH) NE 5 LGT/VAR
20FT WND PM(MPH) LGT/VAR LGT/VAR LGT/VAR SE 6
PRECIP AMOUNT 0.00 0.00 0.00 0.00
PRECIP DURATION
PRECIP BEGIN
PRECIP END
MIXING HGT (FT-AGL) 430 5910 360 4330
TRANSPORT WND (KTS) NE 8 E 5 NE 4 SE 12
VENT RATE (KT-FT) 3440 29550 1440 51960
MAX ADI EARLY 30 FAIR 50 GEN GOOD 35 FAIR 54 GEN GOOD
MAX ADI LATE 10 POOR 49 GEN GOOD 4 VERY POOR 67 GOOD
MAX LVORI EARLY 3 1 4 1
MAX LVORI LATE 3 1 4 1
MIN VSBY EARLY 9 9 9 9
MIN VSBY LATE 9 9 9 9
SUNSHINE HOURS N/A N/A N/A N/A
CWR 0 0 0 10
REMARKS...NONE.
FORECAST FOR DAYS 3 THROUGH 7
SATURDAY NIGHT
SHOWERS. LOWS IN THE MID 40S. EAST WINDS 5 TO
10 MPH.
SUNDAY
SHOWERS. HIGHS IN THE UPPER 50S. EAST WINDS 5 TO
10 MPH.
SUNDAY NIGHT
MOSTLY CLOUDY WITH SHOWERS LIKELY. LOWS IN THE
UPPER 40S. NORTHEAST WINDS 5 TO 10 MPH.
MONDAY
MOSTLY CLOUDY WITH A CHANCE OF SHOWERS. WARMER. HIGHS
IN THE LOWER 70S. NORTH WINDS AROUND 5 MPH, BECOMING NORTHWEST IN
THE AFTERNOON.
MONDAY NIGHT
MOSTLY CLOUDY. LOWS IN THE LOWER 50S. SOUTHWEST
WINDS AROUND 5 MPH, BECOMING NORTHWEST AFTER MIDNIGHT.
TUESDAY AND TUESDAY NIGHT
PARTLY CLOUDY. LOWS IN THE MID 50S.
HIGHS AROUND 80. WEST WINDS AROUND 5 MPH.
WEDNESDAY
SUNNY. HIGHS IN THE LOWER 80S. NORTHWEST WINDS 5 TO
10 MPH.
WEDNESDAY NIGHT AND THURSDAY
PARTLY CLOUDY. LOWS IN THE MID
50S. HIGHS IN THE UPPER 70S. NORTHWEST WINDS 5 TO 10 MPH.
CTZ002-220800-
HARTFORD CT-
INCLUDING THE CITIES OF HARTFORD AND WINDSOR LOCKS
409 PM EDT THU MAY 21 2026
TONIGHT FRI FRI NIGHT SAT
CLOUD COVER MCLDY PCLDY PCLDY MCLDY
PRECIP TYPE NONE NONE NONE SHOWERS
CHANCE PRECIP (%) 40
CHANCE OF THUNDER (%) 0 0 0 0
TEMP (24H TREND) 44 (-11) 70 (+4) 46 63
RH % (24H TREND) 89 (-8) 26 (-9) 74 38
20FT WND AM(MPH) NE 5 LGT/VAR
20FT WND PM(MPH) LGT/VAR LGT/VAR LGT/VAR SE 5
PRECIP AMOUNT 0.00 0.00 0.00 0.01
PRECIP DURATION 1
PRECIP BEGIN 1 PM
PRECIP END CONTINUING
MIXING HGT (FT-AGL) 440 5740 320 3780
TRANSPORT WND (KTS) NE 6 E 6 E 3 SE 13
VENT RATE (KT-FT) 2640 34440 960 49140
MAX ADI EARLY 21 FAIR 51 GEN GOOD 40 FAIR 39 FAIR
MAX ADI LATE 11 POOR 53 GEN GOOD 5 VERY POOR 65 GOOD
MAX LVORI EARLY 3 1 4 1
MAX LVORI LATE 3 1 4 1
MIN VSBY EARLY 9 9 9 9
MIN VSBY LATE 9 9 9 9
SUNSHINE HOURS N/A N/A N/A N/A
CWR 0 0 0 20
REMARKS...NONE.
FORECAST FOR DAYS 3 THROUGH 7
SATURDAY NIGHT
SHOWERS. LOWS IN THE MID 40S. EAST WINDS 5 TO
10 MPH.
SUNDAY
SHOWERS. HIGHS IN THE UPPER 50S. EAST WINDS 5 TO
10 MPH.
SUNDAY NIGHT
CLOUDY WITH SHOWERS LIKELY. LOWS AROUND 50.
NORTHEAST WINDS 5 TO 10 MPH.
MONDAY
MOSTLY CLOUDY WITH A CHANCE OF SHOWERS. WARMER. HIGHS
IN THE MID 70S. NORTH WINDS AROUND 5 MPH, BECOMING WEST IN THE
AFTERNOON.
MONDAY NIGHT AND TUESDAY
MOSTLY CLOUDY. LOWS IN THE MID 50S.
HIGHS AROUND 80. WEST WINDS AROUND 5 MPH.
TUESDAY NIGHT
PARTLY CLOUDY. LOWS IN THE UPPER 50S. WEST WINDS
AROUND 5 MPH.
WEDNESDAY
SUNNY. HIGHS IN THE LOWER 80S. NORTHWEST WINDS 5 TO
10 MPH.
WEDNESDAY NIGHT AND THURSDAY
PARTLY CLOUDY. LOWS IN THE MID
50S. HIGHS IN THE UPPER 70S. NORTHWEST WINDS 5 TO 10 MPH.
CTZ003-220800-
TOLLAND CT-
INCLUDING THE CITIES OF UNION AND VERNON
409 PM EDT THU MAY 21 2026
TONIGHT FRI FRI NIGHT SAT
CLOUD COVER MCLDY PCLDY PCLDY MCLDY
PRECIP TYPE NONE NONE NONE SHOWERS
CHANCE PRECIP (%) 30
CHANCE OF THUNDER (%) 0 0 0 0
TEMP (24H TREND) 43 (-11) 67 (+2) 44 62
RH % (24H TREND) 89 (-11) 28 (-12) 71 42
20FT WND AM(MPH) NE 5 LGT/VAR
20FT WND PM(MPH) LGT/VAR LGT/VAR LGT/VAR SE 6
PRECIP AMOUNT 0.00 0.00 0.00 0.00
PRECIP DURATION
PRECIP BEGIN
PRECIP END
MIXING HGT (FT-AGL) 410 5760 360 3710
TRANSPORT WND (KTS) NE 6 E 6 E 5 SE 13
VENT RATE (KT-FT) 2460 34560 1800 48230
MAX ADI EARLY 19 GEN POOR 51 GEN GOOD 36 FAIR 44 GEN GOOD
MAX ADI LATE 11 POOR 51 GEN GOOD 6 VERY POOR 61 GOOD
MAX LVORI EARLY 3 1 3 1
MAX LVORI LATE 3 1 3 1
MIN VSBY EARLY 9 9 9 9
MIN VSBY LATE 9 9 9 9
SUNSHINE HOURS N/A N/A N/A N/A
CWR 0 0 0 10
REMARKS...NONE.
FORECAST FOR DAYS 3 THROUGH 7
SATURDAY NIGHT
SHOWERS. LOWS IN THE MID 40S. EAST WINDS 5 TO
10 MPH.
SUNDAY
SHOWERS. HIGHS IN THE UPPER 50S. EAST WINDS 5 TO
10 MPH.
SUNDAY NIGHT
MOSTLY CLOUDY WITH SHOWERS LIKELY. LOWS AROUND
50. NORTHEAST WINDS 5 TO 10 MPH.
MONDAY
MOSTLY CLOUDY WITH A CHANCE OF SHOWERS. WARMER. HIGHS
IN THE LOWER 70S. NORTH WINDS AROUND 5 MPH, BECOMING WEST IN THE
AFTERNOON.
MONDAY NIGHT AND TUESDAY
MOSTLY CLOUDY. LOWS IN THE MID 50S.
HIGHS IN THE UPPER 70S. WEST WINDS AROUND 5 MPH.
TUESDAY NIGHT
PARTLY CLOUDY. LOWS IN THE MID 50S. WEST WINDS
AROUND 5 MPH.
WEDNESDAY
SUNNY. HIGHS IN THE LOWER 80S. NORTHWEST WINDS 5 TO
10 MPH.
WEDNESDAY NIGHT AND THURSDAY
PARTLY CLOUDY. LOWS IN THE MID
50S. HIGHS IN THE UPPER 70S. NORTHWEST WINDS 5 TO 10 MPH.
CTZ004-220800-
WINDHAM CT-
INCLUDING THE CITIES OF PUTNAM AND WILLIMANTIC
409 PM EDT THU MAY 21 2026
TONIGHT FRI FRI NIGHT SAT
CLOUD COVER MCLDY PCLDY PCLDY MCLDY
PRECIP TYPE NONE NONE NONE SHOWERS
CHANCE PRECIP (%) 20
CHANCE OF THUNDER (%) 0 0 0 0
TEMP (24H TREND) 43 (-12) 67 (+1) 43 63
RH % (24H TREND) 89 (-11) 28 (-12) 74 39
20FT WND AM(MPH) NE 5 LGT/VAR
20FT WND PM(MPH) LGT/VAR LGT/VAR LGT/VAR E 5
PRECIP AMOUNT 0.00 0.00 0.00 0.00
PRECIP DURATION
PRECIP BEGIN
PRECIP END
MIXING HGT (FT-AGL) 410 5490 340 3950
TRANSPORT WND (KTS) NE 6 NE 7 E 4 SE 12
VENT RATE (KT-FT) 2460 38430 1360 47400
MAX ADI EARLY 20 GEN POOR 55 GEN GOOD 35 FAIR 52 GEN GOOD
MAX ADI LATE 12 POOR 54 GEN GOOD 6 VERY POOR 60 GEN GOOD
MAX LVORI EARLY 3 1 4 1
MAX LVORI LATE 3 1 4 1
MIN VSBY EARLY 9 9 9 9
MIN VSBY LATE 9 9 9 9
SUNSHINE HOURS N/A N/A N/A N/A
CWR 0 0 0 10
REMARKS...NONE.
FORECAST FOR DAYS 3 THROUGH 7
SATURDAY NIGHT
SHOWERS. LOWS IN THE MID 40S. EAST WINDS 5 TO
10 MPH.
SUNDAY
SHOWERS. HIGHS IN THE UPPER 50S. EAST WINDS 5 TO
10 MPH.
SUNDAY NIGHT
MOSTLY CLOUDY WITH SHOWERS LIKELY. LOWS AROUND
50. NORTHEAST WINDS 5 TO 10 MPH.
MONDAY
MOSTLY CLOUDY WITH A CHANCE OF SHOWERS. WARMER. HIGHS
IN THE LOWER 70S. NORTH WINDS AROUND 5 MPH, BECOMING NORTHWEST IN
THE AFTERNOON.
MONDAY NIGHT
MOSTLY CLOUDY. LOWS IN THE LOWER 50S. SOUTHWEST
WINDS AROUND 5 MPH, BECOMING NORTHWEST AFTER MIDNIGHT.
TUESDAY
PARTLY SUNNY. HIGHS IN THE UPPER 70S. NORTHWEST WINDS
AROUND 5 MPH, BECOMING WEST IN THE AFTERNOON.
TUESDAY NIGHT THROUGH THURSDAY
PARTLY CLOUDY. LOWS IN THE MID
50S. HIGHS IN THE UPPER 70S. NORTHWEST WINDS 5 TO 10 MPH.
RIZ001-220800-
NORTHWEST PROVIDENCE RI-
INCLUDING THE CITIES OF FOSTER AND SMITHFIELD
409 PM EDT THU MAY 21 2026
TONIGHT FRI FRI NIGHT SAT
CLOUD COVER MCLDY PCLDY MCLDY MCLDY
PRECIP TYPE NONE NONE NONE NONE
CHANCE PRECIP (%) 10
CHANCE OF THUNDER (%) 0 0 0 0
TEMP (24H TREND) 42 (-13) 66 (+1) 41 64
RH % (24H TREND) 83 (-17) 27 (-12) 76 38
20FT WND AM(MPH) NE 5 LGT/VAR
20FT WND PM(MPH) LGT/VAR E 5 LGT/VAR E 5
PRECIP AMOUNT 0.00 0.00 0.00 0.00
PRECIP DURATION
PRECIP BEGIN
PRECIP END
MIXING HGT (FT-AGL) 440 5150 320 4490
TRANSPORT WND (KTS) N 5 NE 7 E 3 SE 11
VENT RATE (KT-FT) 2200 36050 960 49390
MAX ADI EARLY 24 FAIR 59 GEN GOOD 39 FAIR 52 GEN GOOD
MAX ADI LATE 12 POOR 56 GEN GOOD 5 VERY POOR 63 GOOD
MAX LVORI EARLY 3 1 4 1
MAX LVORI LATE 3 1 4 1
MIN VSBY EARLY 9 9 9 9
MIN VSBY LATE 9 9 9 9
SUNSHINE HOURS N/A N/A N/A N/A
CWR 0 0 0 0
REMARKS...NONE.
FORECAST FOR DAYS 3 THROUGH 7
SATURDAY NIGHT
CLOUDY WITH SHOWERS LIKELY. LOWS IN THE MID
40S. EAST WINDS 5 TO 10 MPH.
SUNDAY AND SUNDAY NIGHT
SHOWERS. LOWS IN THE UPPER 40S. HIGHS
IN THE UPPER 50S. NORTHEAST WINDS 5 TO 10 MPH.
MONDAY
MOSTLY CLOUDY WITH A CHANCE OF SHOWERS. WARMER. HIGHS
AROUND 70. NORTH WINDS AROUND 5 MPH.
MONDAY NIGHT
MOSTLY CLOUDY. LOWS IN THE LOWER 50S. SOUTHWEST
WINDS AROUND 5 MPH, BECOMING NORTHWEST AFTER MIDNIGHT.
TUESDAY
PARTLY SUNNY. HIGHS IN THE UPPER 70S. NORTHWEST WINDS
AROUND 5 MPH, BECOMING WEST AROUND 5 MPH IN THE AFTERNOON.
TUESDAY NIGHT
PARTLY CLOUDY. LOWS IN THE MID 50S. WEST WINDS
AROUND 5 MPH.
WEDNESDAY
MOSTLY SUNNY WITH A CHANCE OF SHOWERS. HIGHS AROUND
80. NORTHWEST WINDS AROUND 5 MPH.
WEDNESDAY NIGHT AND THURSDAY
PARTLY CLOUDY. LOWS IN THE MID
50S. HIGHS IN THE MID 70S. NORTHWEST WINDS AROUND 5 MPH.
RIZ002-220800-
SOUTHEAST PROVIDENCE RI-
INCLUDING THE CITY OF PROVIDENCE
409 PM EDT THU MAY 21 2026
TONIGHT FRI FRI NIGHT SAT
CLOUD COVER MCLDY PCLDY MCLDY MCLDY
PRECIP TYPE NONE NONE NONE NONE
CHANCE PRECIP (%) 10
CHANCE OF THUNDER (%) 0 0 0 0
TEMP (24H TREND) 44 (-12) 66 (0) 43 64
RH % (24H TREND) 86 (-7) 27 (-15) 76 39
20FT WND AM(MPH) NE 5 LGT/VAR
20FT WND PM(MPH) LGT/VAR E 6 LGT/VAR E 6
PRECIP AMOUNT 0.00 0.00 0.00 0.00
PRECIP DURATION
PRECIP BEGIN
PRECIP END
MIXING HGT (FT-AGL) 450 5080 320 4260
TRANSPORT WND (KTS) N 5 NE 8 NE 3 SE 11
VENT RATE (KT-FT) 2250 40640 960 46860
MAX ADI EARLY 18 GEN POOR 67 GOOD 42 GEN GOOD 48 GEN GOOD
MAX ADI LATE 12 POOR 62 GOOD 4 VERY POOR 59 GEN GOOD
MAX LVORI EARLY 3 1 4 1
MAX LVORI LATE 3 1 4 1
MIN VSBY EARLY 9 9 9 9
MIN VSBY LATE 9 9 9 9
SUNSHINE HOURS N/A N/A N/A N/A
CWR 0 0 0 0
REMARKS...NONE.
FORECAST FOR DAYS 3 THROUGH 7
SATURDAY NIGHT
SHOWERS. LOWS IN THE MID 40S. EAST WINDS 5 TO
10 MPH.
SUNDAY AND SUNDAY NIGHT
SHOWERS. LOWS IN THE UPPER 40S. HIGHS
IN THE UPPER 50S. NORTHEAST WINDS 5 TO 10 MPH.
MONDAY
MOSTLY CLOUDY WITH A CHANCE OF SHOWERS. WARMER. HIGHS
IN THE LOWER 70S. NORTH WINDS AROUND 5 MPH.
MONDAY NIGHT
MOSTLY CLOUDY. LOWS IN THE LOWER 50S. SOUTHWEST
WINDS AROUND 5 MPH, BECOMING NORTHWEST AFTER MIDNIGHT.
TUESDAY
PARTLY SUNNY. HIGHS IN THE UPPER 70S. NORTHWEST WINDS
AROUND 5 MPH, BECOMING SOUTHWEST AROUND 5 MPH IN THE AFTERNOON.
TUESDAY NIGHT
PARTLY CLOUDY. LOWS IN THE MID 50S. WEST WINDS
AROUND 5 MPH.
WEDNESDAY
MOSTLY SUNNY WITH A CHANCE OF SHOWERS. HIGHS AROUND
80. NORTHWEST WINDS 5 TO 10 MPH.
WEDNESDAY NIGHT AND THURSDAY
PARTLY CLOUDY. LOWS IN THE MID
50S. HIGHS IN THE MID 70S. NORTHWEST WINDS 5 TO 10 MPH.
RIZ003-220800-
WESTERN KENT RI-
INCLUDING THE CITIES OF COVENTRY AND WEST GREENWICH
409 PM EDT THU MAY 21 2026
TONIGHT FRI FRI NIGHT SAT
CLOUD COVER MCLDY PCLDY PCLDY MCLDY
PRECIP TYPE NONE NONE NONE SHOWERS
CHANCE PRECIP (%) 10 20
CHANCE OF THUNDER (%) 0 0 0 0
TEMP (24H TREND) 45 (-11) 66 (+2) 44 62
RH % (24H TREND) 86 (-14) 29 (-19) 71 42
20FT WND AM(MPH) NE 6 LGT/VAR
20FT WND PM(MPH) LGT/VAR E 6 LGT/VAR E 6
PRECIP AMOUNT 0.00 0.00 0.00 0.00
PRECIP DURATION
PRECIP BEGIN
PRECIP END
MIXING HGT (FT-AGL) 420 4980 350 3460
TRANSPORT WND (KTS) NW 4 E 9 E 4 SE 12
VENT RATE (KT-FT) 1680 44820 1400 41520
MAX ADI EARLY 14 GEN POOR 65 GOOD 40 FAIR 44 GEN GOOD
MAX ADI LATE 12 POOR 65 GOOD 7 POOR 52 GEN GOOD
MAX LVORI EARLY 4 1 3 1
MAX LVORI LATE 4 1 3 1
MIN VSBY EARLY 9 9 9 9
MIN VSBY LATE 9 9 9 9
SUNSHINE HOURS N/A N/A N/A N/A
CWR 0 0 0 10
REMARKS...NONE.
FORECAST FOR DAYS 3 THROUGH 7
SATURDAY NIGHT
SHOWERS. LOWS IN THE MID 40S. EAST WINDS 5 TO
10 MPH.
SUNDAY
SHOWERS. HIGHS IN THE UPPER 50S. EAST WINDS 5 TO
10 MPH.
SUNDAY NIGHT
MOSTLY CLOUDY WITH SHOWERS LIKELY. LOWS IN THE
LOWER 50S. NORTHEAST WINDS 5 TO 10 MPH.
MONDAY
MOSTLY CLOUDY WITH A CHANCE OF SHOWERS. WARMER. HIGHS
IN THE LOWER 70S. NORTH WINDS AROUND 5 MPH, BECOMING NORTHWEST IN
THE AFTERNOON.
MONDAY NIGHT
MOSTLY CLOUDY. LOWS IN THE MID 50S. SOUTHWEST
WINDS AROUND 5 MPH, BECOMING NORTHWEST AFTER MIDNIGHT.
TUESDAY
PARTLY SUNNY. HIGHS IN THE MID 70S. NORTH WINDS AROUND
5 MPH, BECOMING WEST AROUND 5 MPH IN THE AFTERNOON.
TUESDAY NIGHT
PARTLY CLOUDY. LOWS IN THE MID 50S. WEST WINDS
AROUND 5 MPH.
WEDNESDAY
MOSTLY SUNNY WITH A CHANCE OF SHOWERS. HIGHS IN THE
UPPER 70S. NORTHWEST WINDS AROUND 5 MPH.
WEDNESDAY NIGHT AND THURSDAY
PARTLY CLOUDY. LOWS IN THE MID
50S. HIGHS IN THE MID 70S. NORTHWEST WINDS AROUND 5 MPH.
RIZ004-220800-
EASTERN KENT RI-
INCLUDING THE CITIES OF EAST GREENWICH, WARWICK, AND WEST WARWICK
409 PM EDT THU MAY 21 2026
TONIGHT FRI FRI NIGHT SAT
CLOUD COVER MCLDY PCLDY PCLDY MCLDY
PRECIP TYPE NONE NONE NONE NONE
CHANCE PRECIP (%) 20
CHANCE OF THUNDER (%) 0 0 0 0
TEMP (24H TREND) 46 (-11) 66 (+1) 45 64
RH % (24H TREND) 80 (-17) 28 (-15) 71 38
20FT WND AM(MPH) NE 7 LGT/VAR
20FT WND PM(MPH) LGT/VAR E 7 LGT/VAR E 7
PRECIP AMOUNT 0.00 0.00 0.00 0.00
PRECIP DURATION
PRECIP BEGIN
PRECIP END
MIXING HGT (FT-AGL) 430 4950 390 3460
TRANSPORT WND (KTS) SW 3 NE 9 E 3 SE 11
VENT RATE (KT-FT) 1290 44550 1170 38060
MAX ADI EARLY 15 GEN POOR 67 GOOD 40 FAIR 36 FAIR
MAX ADI LATE 13 GEN POOR 66 GOOD 6 VERY POOR 41 GEN GOOD
MAX LVORI EARLY 4 1 4 2
MAX LVORI LATE 4 1 4 2
MIN VSBY EARLY 9 9 9 9
MIN VSBY LATE 9 9 9 9
SUNSHINE HOURS N/A N/A N/A N/A
CWR 0 0 0 0
REMARKS...NONE.
FORECAST FOR DAYS 3 THROUGH 7
SATURDAY NIGHT
SHOWERS. LOWS IN THE UPPER 40S. EAST WINDS 5 TO
10 MPH.
SUNDAY
SHOWERS. HIGHS IN THE UPPER 50S. EAST WINDS 10 TO
15 MPH.
SUNDAY NIGHT
SHOWERS. LOWS IN THE LOWER 50S. NORTHEAST WINDS
5 TO 10 MPH.
MONDAY
MOSTLY CLOUDY WITH A CHANCE OF SHOWERS. WARMER. HIGHS
IN THE LOWER 70S. NORTHWEST WINDS AROUND 5 MPH.
MONDAY NIGHT
MOSTLY CLOUDY. LOWS IN THE MID 50S. SOUTHWEST
WINDS AROUND 5 MPH, BECOMING NORTHWEST AFTER MIDNIGHT.
TUESDAY
PARTLY SUNNY. HIGHS IN THE MID 70S. NORTH WINDS AROUND
5 MPH, BECOMING SOUTHWEST AROUND 5 MPH IN THE AFTERNOON.
TUESDAY NIGHT
PARTLY CLOUDY. LOWS IN THE MID 50S. WEST WINDS
AROUND 5 MPH.
WEDNESDAY
MOSTLY SUNNY WITH A CHANCE OF SHOWERS. HIGHS IN THE
UPPER 70S. NORTHWEST WINDS 5 TO 10 MPH.
WEDNESDAY NIGHT AND THURSDAY
PARTLY CLOUDY. LOWS IN THE MID
50S. HIGHS IN THE MID 70S. NORTHEAST WINDS 5 TO 10 MPH.
RIZ005-220800-
BRISTOL RI-
INCLUDING THE CITY OF BRISTOL
409 PM EDT THU MAY 21 2026
TONIGHT FRI FRI NIGHT SAT
CLOUD COVER MCLDY PCLDY PCLDY MCLDY
PRECIP TYPE NONE NONE NONE NONE
CHANCE PRECIP (%) 10
CHANCE OF THUNDER (%) 0 0 0 0
TEMP (24H TREND) 45 (-12) 65 (+1) 43 63
RH % (24H TREND) 93 (-7) 30 (-16) 76 41
20FT WND AM(MPH) NE 7 LGT/VAR
20FT WND PM(MPH) LGT/VAR E 7 LGT/VAR E 7
PRECIP AMOUNT 0.00 0.00 0.00 0.00
PRECIP DURATION
PRECIP BEGIN
PRECIP END
MIXING HGT (FT-AGL) 410 4800 370 3590
TRANSPORT WND (KTS) W 3 NE 9 E 3 SE 11
VENT RATE (KT-FT) 1230 43200 1110 39490
MAX ADI EARLY 14 GEN POOR 64 GOOD 40 FAIR 41 GEN GOOD
MAX ADI LATE 14 GEN POOR 65 GOOD 6 VERY POOR 42 GEN GOOD
MAX LVORI EARLY 4 1 4 2
MAX LVORI LATE 4 1 4 2
MIN VSBY EARLY 9 9 9 9
MIN VSBY LATE 9 9 9 9
SUNSHINE HOURS N/A N/A N/A N/A
CWR 0 0 0 0
REMARKS...NONE.
FORECAST FOR DAYS 3 THROUGH 7
SATURDAY NIGHT
CLOUDY WITH SHOWERS LIKELY. LOWS IN THE UPPER
40S. EAST WINDS 5 TO 10 MPH.
SUNDAY AND SUNDAY NIGHT
SHOWERS. LOWS AROUND 50. HIGHS IN THE
UPPER 50S. NORTHEAST WINDS 10 TO 15 MPH.
MONDAY
MOSTLY CLOUDY WITH A CHANCE OF SHOWERS. WARMER. HIGHS
IN THE UPPER 60S. NORTHWEST WINDS AROUND 5 MPH.
MONDAY NIGHT
MOSTLY CLOUDY. LOWS IN THE LOWER 50S. SOUTHWEST
WINDS AROUND 5 MPH, BECOMING NORTHWEST AFTER MIDNIGHT.
TUESDAY
PARTLY SUNNY. HIGHS IN THE MID 70S. NORTHWEST WINDS
AROUND 5 MPH, BECOMING SOUTHWEST AROUND 5 MPH IN THE AFTERNOON.
TUESDAY NIGHT
PARTLY CLOUDY. LOWS IN THE MID 50S. SOUTHWEST
WINDS AROUND 5 MPH.
WEDNESDAY
MOSTLY SUNNY WITH A CHANCE OF SHOWERS. HIGHS IN THE
UPPER 70S. NORTHWEST WINDS 5 TO 10 MPH.
WEDNESDAY NIGHT AND THURSDAY
PARTLY CLOUDY. LOWS IN THE MID
50S. HIGHS IN THE LOWER 70S. SOUTHWEST WINDS 5 TO 10 MPH.
RIZ006-220800-
WASHINGTON RI-
INCLUDING THE CITIES OF NARRAGANSETT AND WESTERLY
409 PM EDT THU MAY 21 2026
TONIGHT FRI FRI NIGHT SAT
CLOUD COVER MCLDY PCLDY PCLDY MCLDY
PRECIP TYPE NONE NONE NONE SHOWERS
CHANCE PRECIP (%) 10 20
CHANCE OF THUNDER (%) 0 0 0 0
TEMP (24H TREND) 46 (-10) 65 (+1) 44 63
RH % (24H TREND) 96 (-4) 31 (-17) 80 37
20FT WND AM(MPH) NE 6 LGT/VAR
20FT WND PM(MPH) LGT/VAR E 7 LGT/VAR E 7
PRECIP AMOUNT 0.00 0.00 0.00 0.00
PRECIP DURATION
PRECIP BEGIN
PRECIP END
MIXING HGT (FT-AGL) 410 4890 370 2790
TRANSPORT WND (KTS) SW 3 E 11 E 6 E 12
VENT RATE (KT-FT) 1230 53790 2220 33480
MAX ADI EARLY 10 POOR 64 GOOD 37 FAIR 37 FAIR
MAX ADI LATE 13 GEN POOR 64 GOOD 7 POOR 30 FAIR
MAX LVORI EARLY 6 1 4 2
MAX LVORI LATE 6 1 4 2
MIN VSBY EARLY 9 9 9 9
MIN VSBY LATE 9 9 9 9
SUNSHINE HOURS N/A N/A N/A N/A
CWR 0 0 0 10
REMARKS...NONE.
FORECAST FOR DAYS 3 THROUGH 7
SATURDAY NIGHT
SHOWERS. LOWS IN THE UPPER 40S. EAST WINDS
10 TO 15 MPH.
SUNDAY
SHOWERS. HIGHS IN THE UPPER 50S. EAST WINDS 10 TO
15 MPH.
SUNDAY NIGHT
MOSTLY CLOUDY WITH SHOWERS LIKELY. LOWS IN THE
LOWER 50S. NORTHEAST WINDS 10 TO 15 MPH.
MONDAY
MOSTLY CLOUDY WITH A CHANCE OF SHOWERS. WARMER. HIGHS
IN THE LOWER 70S. NORTH WINDS AROUND 5 MPH, BECOMING WEST IN THE
AFTERNOON.
MONDAY NIGHT
MOSTLY CLOUDY. LOWS IN THE MID 50S. SOUTHWEST
WINDS AROUND 5 MPH, BECOMING NORTHWEST AFTER MIDNIGHT.
TUESDAY AND TUESDAY NIGHT
MOSTLY CLOUDY. LOWS IN THE MID 50S.
HIGHS IN THE MID 70S. WEST WINDS AROUND 5 MPH.
WEDNESDAY THROUGH THURSDAY
PARTLY CLOUDY. LOWS IN THE MID 50S.
HIGHS IN THE MID 70S. SOUTHWEST WINDS 5 TO 10 MPH.
RIZ007-220800-
NEWPORT RI-
INCLUDING THE CITY OF NEWPORT
409 PM EDT THU MAY 21 2026
TONIGHT FRI FRI NIGHT SAT
CLOUD COVER MCLDY PCLDY PCLDY MCLDY
PRECIP TYPE NONE NONE NONE NONE
CHANCE PRECIP (%) 10 20
CHANCE OF THUNDER (%) 0 0 0 0
TEMP (24H TREND) 45 (-11) 64 (+1) 42 64
RH % (24H TREND) 96 (-4) 31 (-15) 79 39
20FT WND AM(MPH) NE 8 E 5
20FT WND PM(MPH) LGT/VAR E 8 LGT/VAR E 8
PRECIP AMOUNT 0.00 0.00 0.00 0.00
PRECIP DURATION
PRECIP BEGIN
PRECIP END
MIXING HGT (FT-AGL) 420 4530 410 2820
TRANSPORT WND (KTS) N 3 E 11 E 5 SE 11
VENT RATE (KT-FT) 1260 49830 2050 31020
MAX ADI EARLY 10 POOR 44 GEN GOOD 37 FAIR 25 FAIR
MAX ADI LATE 16 GEN POOR 48 GEN GOOD 7 POOR 26 FAIR
MAX LVORI EARLY 5 1 3 2
MAX LVORI LATE 5 1 3 2
MIN VSBY EARLY 9 9 9 9
MIN VSBY LATE 9 9 9 9
SUNSHINE HOURS N/A N/A N/A N/A
CWR 0 0 0 0
REMARKS...NONE.
FORECAST FOR DAYS 3 THROUGH 7
SATURDAY NIGHT
CLOUDY WITH SHOWERS LIKELY. LOWS IN THE UPPER
40S. EAST WINDS 10 TO 15 MPH.
SUNDAY
SHOWERS. HIGHS IN THE UPPER 50S. EAST WINDS 15 TO
20 MPH.
SUNDAY NIGHT
SHOWERS. LOWS IN THE LOWER 50S. EAST WINDS 10 TO
15 MPH.
MONDAY
MOSTLY CLOUDY WITH A CHANCE OF SHOWERS. WARMER. HIGHS
IN THE UPPER 60S. NORTH WINDS 5 TO 10 MPH, BECOMING NORTHWEST IN
THE AFTERNOON.
MONDAY NIGHT
MOSTLY CLOUDY. LOWS IN THE LOWER 50S. SOUTHWEST
WINDS 5 TO 10 MPH, BECOMING NORTHWEST AFTER MIDNIGHT.
TUESDAY
PARTLY SUNNY. HIGHS IN THE LOWER 70S. NORTHWEST WINDS
AROUND 5 MPH, BECOMING SOUTHWEST IN THE AFTERNOON.
TUESDAY NIGHT
PARTLY CLOUDY. LOWS IN THE MID 50S. SOUTHWEST
WINDS 5 TO 10 MPH.
WEDNESDAY
MOSTLY SUNNY WITH A CHANCE OF SHOWERS. HIGHS IN THE
MID 70S. NORTHWEST WINDS 5 TO 10 MPH.
WEDNESDAY NIGHT AND THURSDAY
PARTLY CLOUDY. LOWS IN THE MID
50S. HIGHS IN THE LOWER 70S. SOUTHWEST WINDS 5 TO 10 MPH.
RIZ008-220800-
BLOCK ISLAND RI-
INCLUDING THE CITY OF NEW SHOREHAM
409 PM EDT THU MAY 21 2026
TONIGHT FRI FRI NIGHT SAT
CLOUD COVER MCLDY PCLDY PCLDY MCLDY
PRECIP TYPE NONE NONE NONE SHOWERS
CHANCE PRECIP (%) 10 30
CHANCE OF THUNDER (%) 0 0 0 0
TEMP (24H TREND) 50 (-5) 59 (-3) 48 64
RH % (24H TREND) 89 (-11) 51 (-5) 80 48
20FT WND AM(MPH) NE 10 E 8
20FT WND PM(MPH) LGT/VAR E 10 E 7 E 10
PRECIP AMOUNT 0.00 0.00 0.00 0.00
PRECIP DURATION
PRECIP BEGIN
PRECIP END
MIXING HGT (FT-AGL) 550 1860 920 1850
TRANSPORT WND (KTS) SE 7 NE 17 E 10 E 14
VENT RATE (KT-FT) 3850 31620 9200 25900
MAX ADI EARLY 8 POOR 40 FAIR 25 FAIR 30 FAIR
MAX ADI LATE 19 GEN POOR 33 FAIR 19 GEN POOR 26 FAIR
MAX LVORI EARLY 6 2 3 3
MAX LVORI LATE 6 2 3 3
MIN VSBY EARLY 9 9 9 9
MIN VSBY LATE 9 9 9 9
SUNSHINE HOURS N/A N/A N/A N/A
CWR 0 0 0 10
REMARKS...NONE.
FORECAST FOR DAYS 3 THROUGH 7
SATURDAY NIGHT
SHOWERS. LOWS IN THE LOWER 50S. EAST WINDS
10 TO 15 MPH.
SUNDAY AND SUNDAY NIGHT
SHOWERS. LOWS IN THE LOWER 50S. HIGHS
IN THE UPPER 50S. NORTHEAST WINDS 15 TO 20 MPH.
MONDAY
MOSTLY CLOUDY WITH A CHANCE OF SHOWERS. HIGHS IN THE
UPPER 60S. NORTH WINDS AROUND 5 MPH, BECOMING WEST IN THE
AFTERNOON.
MONDAY NIGHT
CLOUDY. LOWS IN THE LOWER 50S. WEST WINDS AROUND
5 MPH.
TUESDAY AND TUESDAY NIGHT
MOSTLY CLOUDY. LOWS IN THE MID 50S.
HIGHS IN THE UPPER 60S. WEST WINDS AROUND 5 MPH.
WEDNESDAY THROUGH THURSDAY
PARTLY CLOUDY. LOWS IN THE MID 50S.
HIGHS IN THE UPPER 60S. SOUTHWEST WINDS 5 TO 10 MPH.
MAZ017-220800-
NORTHERN BRISTOL MA-
INCLUDING THE CITY OF TAUNTON
409 PM EDT THU MAY 21 2026
TONIGHT FRI FRI NIGHT SAT
CLOUD COVER MCLDY PCLDY PCLDY MCLDY
PRECIP TYPE NONE NONE NONE NONE
CHANCE PRECIP (%) 10
CHANCE OF THUNDER (%) 0 0 0 0
TEMP (24H TREND) 41 (-15) 66 (+1) 38 64
RH % (24H TREND) 96 (-4) 26 (-14) 82 34
20FT WND AM(MPH) NE 5 LGT/VAR
20FT WND PM(MPH) LGT/VAR E 5 LGT/VAR E 5
PRECIP AMOUNT 0.00 0.00 0.00 0.00
PRECIP DURATION
PRECIP BEGIN
PRECIP END
MIXING HGT (FT-AGL) 410 4730 340 4310
TRANSPORT WND (KTS) N 4 NE 9 W 3 SE 10
VENT RATE (KT-FT) 1640 42570 1020 43100
MAX ADI EARLY 16 GEN POOR 65 GOOD 31 FAIR 48 GEN GOOD
MAX ADI LATE 12 POOR 60 GEN GOOD 4 VERY POOR 57 GEN GOOD
MAX LVORI EARLY 4 1 4 1
MAX LVORI LATE 4 1 4 1
MIN VSBY EARLY 9 9 9 9
MIN VSBY LATE 9 9 9 9
SUNSHINE HOURS N/A N/A N/A N/A
CWR 0 0 0 0
REMARKS...NONE.
FORECAST FOR DAYS 3 THROUGH 7
SATURDAY NIGHT
CLOUDY WITH SHOWERS LIKELY. LOWS IN THE MID
40S. EAST WINDS AROUND 5 MPH.
SUNDAY AND SUNDAY NIGHT
SHOWERS. LOWS IN THE UPPER 40S. HIGHS
IN THE UPPER 50S. NORTHEAST WINDS 5 TO 10 MPH.
MONDAY
MOSTLY CLOUDY WITH A CHANCE OF SHOWERS. WARMER. HIGHS
AROUND 70. NORTH WINDS AROUND 5 MPH.
MONDAY NIGHT
MOSTLY CLOUDY. LOWS IN THE LOWER 50S. SOUTHEAST
WINDS AROUND 5 MPH IN THE EVENING, BECOMING LIGHT AND VARIABLE.
TUESDAY
PARTLY SUNNY. HIGHS IN THE UPPER 70S. NORTHWEST WINDS
AROUND 5 MPH, BECOMING WEST IN THE AFTERNOON.
TUESDAY NIGHT
PARTLY CLOUDY. LOWS IN THE MID 50S. SOUTHWEST
WINDS AROUND 5 MPH.
WEDNESDAY AND WEDNESDAY NIGHT
PARTLY CLOUDY. A CHANCE OF
SHOWERS. LOWS IN THE LOWER 50S. HIGHS IN THE UPPER 70S. NORTH
WINDS AROUND 5 MPH.
THURSDAY
MOSTLY SUNNY. HIGHS IN THE MID 70S. NORTH WINDS
AROUND 5 MPH.
MAZ018-220800-
WESTERN PLYMOUTH MA-
INCLUDING THE CITY OF BROCKTON
409 PM EDT THU MAY 21 2026
TONIGHT FRI FRI NIGHT SAT
CLOUD COVER MCLDY PCLDY PCLDY MCLDY
PRECIP TYPE NONE NONE NONE NONE
CHANCE PRECIP (%)
CHANCE OF THUNDER (%) 0 0 0 0
TEMP (24H TREND) 40 (-15) 64 (+1) 38 63
RH % (24H TREND) 93 (-7) 27 (-14) 86 36
20FT WND AM(MPH) NE 5 LGT/VAR
20FT WND PM(MPH) LGT/VAR NE 5 LGT/VAR E 5
PRECIP AMOUNT 0.00 0.00 0.00 0.00
PRECIP DURATION
PRECIP BEGIN
PRECIP END
MIXING HGT (FT-AGL) 400 4010 340 4000
TRANSPORT WND (KTS) S 4 NE 10 SW 3 E 10
VENT RATE (KT-FT) 1600 40100 1020 40000
MAX ADI EARLY 11 POOR 63 GOOD 20 GEN POOR 45 GEN GOOD
MAX ADI LATE 13 GEN POOR 56 GEN GOOD 4 VERY POOR 49 GEN GOOD
MAX LVORI EARLY 4 2 4 1
MAX LVORI LATE 4 2 4 1
MIN VSBY EARLY 9 9 9 9
MIN VSBY LATE 9 9 9 9
SUNSHINE HOURS N/A N/A N/A N/A
CWR 0 0 0 0
REMARKS...NONE.
FORECAST FOR DAYS 3 THROUGH 7
SATURDAY NIGHT
CLOUDY WITH SHOWERS LIKELY. LOWS IN THE MID
40S. EAST WINDS AROUND 5 MPH.
SUNDAY AND SUNDAY NIGHT
SHOWERS. LOWS IN THE UPPER 40S. HIGHS
IN THE UPPER 50S. EAST WINDS 5 TO 10 MPH.
MONDAY
CLOUDY WITH A CHANCE OF SHOWERS. HIGHS IN THE UPPER
60S. NORTH WINDS AROUND 5 MPH.
MONDAY NIGHT
MOSTLY CLOUDY. LOWS IN THE LOWER 50S. NORTHEAST
WINDS AROUND 5 MPH IN THE EVENING, BECOMING LIGHT AND VARIABLE.
TUESDAY
PARTLY SUNNY. HIGHS IN THE MID 70S. NORTHWEST WINDS
AROUND 5 MPH, BECOMING WEST AROUND 5 MPH IN THE AFTERNOON.
TUESDAY NIGHT
PARTLY CLOUDY. LOWS IN THE LOWER 50S. SOUTHWEST
WINDS AROUND 5 MPH.
WEDNESDAY AND WEDNESDAY NIGHT
PARTLY CLOUDY. A CHANCE OF
SHOWERS. LOWS IN THE LOWER 50S. HIGHS IN THE UPPER 70S. NORTH
WINDS AROUND 5 MPH.
THURSDAY
MOSTLY SUNNY. HIGHS IN THE LOWER 70S. NORTH WINDS
AROUND 5 MPH.
MAZ019-220800-
EASTERN PLYMOUTH MA-
INCLUDING THE CITY OF PLYMOUTH
409 PM EDT THU MAY 21 2026
TONIGHT FRI FRI NIGHT SAT
CLOUD COVER MCLDY PCLDY PCLDY MCLDY
PRECIP TYPE NONE NONE NONE NONE
CHANCE PRECIP (%)
CHANCE OF THUNDER (%) 0 0 0 0
TEMP (24H TREND) 43 (-12) 60 (-2) 39 64
RH % (24H TREND) 86 (-11) 32 (-8) 86 41
20FT WND AM(MPH) NE 7 LGT/VAR
20FT WND PM(MPH) LGT/VAR E 6 LGT/VAR E 5
PRECIP AMOUNT 0.00 0.00 0.00 0.00
PRECIP DURATION
PRECIP BEGIN
PRECIP END
MIXING HGT (FT-AGL) 380 3200 320 2560
TRANSPORT WND (KTS) S 4 NE 12 SW 4 E 8
VENT RATE (KT-FT) 1520 38400 1280 20480
MAX ADI EARLY 9 POOR 53 GEN GOOD 12 POOR 21 FAIR
MAX ADI LATE 18 GEN POOR 44 GEN GOOD 3 VERY POOR 22 FAIR
MAX LVORI EARLY 4 2 4 2
MAX LVORI LATE 4 2 4 2
MIN VSBY EARLY 9 9 9 9
MIN VSBY LATE 9 9 9 9
SUNSHINE HOURS N/A N/A N/A N/A
CWR 0 0 0 0
REMARKS...NONE.
FORECAST FOR DAYS 3 THROUGH 7
SATURDAY NIGHT
CLOUDY WITH SHOWERS LIKELY. LOWS IN THE UPPER
40S. EAST WINDS 5 TO 10 MPH.
SUNDAY AND SUNDAY NIGHT
SHOWERS. LOWS IN THE UPPER 40S. HIGHS
IN THE UPPER 50S. EAST WINDS 10 TO 15 MPH.
MONDAY
CLOUDY WITH A CHANCE OF SHOWERS. HIGHS IN THE MID 60S.
NORTH WINDS 5 TO 10 MPH.
MONDAY NIGHT
MOSTLY CLOUDY. LOWS IN THE LOWER 50S. NORTH WINDS
AROUND 5 MPH.
TUESDAY
PARTLY SUNNY. HIGHS IN THE LOWER 70S. NORTHWEST WINDS
AROUND 5 MPH, BECOMING SOUTHEAST IN THE AFTERNOON.
TUESDAY NIGHT
PARTLY CLOUDY. LOWS IN THE MID 50S. SOUTHWEST
WINDS 5 TO 10 MPH.
WEDNESDAY AND WEDNESDAY NIGHT
PARTLY CLOUDY. A CHANCE OF
SHOWERS. LOWS IN THE MID 50S. HIGHS IN THE MID 70S. NORTH WINDS
5 TO 10 MPH.
THURSDAY
MOSTLY SUNNY. HIGHS AROUND 70. NORTH WINDS 5 TO
10 MPH, BECOMING EAST IN THE AFTERNOON.
MAZ020-220800-
SOUTHERN BRISTOL MA-
INCLUDING THE CITIES OF FALL RIVER AND NEW BEDFORD
409 PM EDT THU MAY 21 2026
TONIGHT FRI FRI NIGHT SAT
CLOUD COVER MCLDY PCLDY PCLDY MCLDY
PRECIP TYPE NONE NONE NONE NONE
CHANCE PRECIP (%) 10 10
CHANCE OF THUNDER (%) 0 0 0 0
TEMP (24H TREND) 42 (-14) 65 (+1) 39 65
RH % (24H TREND) 96 (-4) 28 (-15) 86 37
20FT WND AM(MPH) NE 7 LGT/VAR
20FT WND PM(MPH) LGT/VAR E 7 LGT/VAR E 7
PRECIP AMOUNT 0.00 0.00 0.00 0.00
PRECIP DURATION
PRECIP BEGIN
PRECIP END
MIXING HGT (FT-AGL) 400 4570 340 3690
TRANSPORT WND (KTS) S 4 NE 10 NE 5 SE 11
VENT RATE (KT-FT) 1600 45700 1700 40590
MAX ADI EARLY 10 POOR 68 GOOD 34 FAIR 41 GEN GOOD
MAX ADI LATE 12 POOR 66 GOOD 6 VERY POOR 47 GEN GOOD
MAX LVORI EARLY 5 1 4 2
MAX LVORI LATE 5 1 4 2
MIN VSBY EARLY 9 9 9 9
MIN VSBY LATE 9 9 9 9
SUNSHINE HOURS N/A N/A N/A N/A
CWR 0 0 0 0
REMARKS...NONE.
FORECAST FOR DAYS 3 THROUGH 7
SATURDAY NIGHT
CLOUDY WITH SHOWERS LIKELY. LOWS IN THE UPPER
40S. EAST WINDS 10 TO 15 MPH.
SUNDAY AND SUNDAY NIGHT
SHOWERS. LOWS AROUND 50. HIGHS IN THE
UPPER 50S. NORTHEAST WINDS 15 TO 20 MPH.
MONDAY
MOSTLY CLOUDY WITH A CHANCE OF SHOWERS. WARMER. HIGHS
AROUND 70. NORTHWEST WINDS 5 TO 10 MPH.
MONDAY NIGHT
MOSTLY CLOUDY. LOWS IN THE LOWER 50S. SOUTHWEST
WINDS 5 TO 10 MPH, BECOMING NORTHWEST AFTER MIDNIGHT.
TUESDAY
PARTLY SUNNY. HIGHS IN THE MID 70S. NORTHWEST WINDS
AROUND 5 MPH, BECOMING SOUTHWEST IN THE AFTERNOON.
TUESDAY NIGHT
PARTLY CLOUDY. LOWS IN THE MID 50S. SOUTHWEST
WINDS 5 TO 10 MPH.
WEDNESDAY
MOSTLY SUNNY WITH A CHANCE OF SHOWERS. HIGHS IN THE
UPPER 70S. NORTHWEST WINDS 5 TO 10 MPH.
WEDNESDAY NIGHT AND THURSDAY
PARTLY CLOUDY. LOWS IN THE LOWER
50S. HIGHS IN THE LOWER 70S. WEST WINDS 5 TO 10 MPH.
MAZ021-220800-
SOUTHERN PLYMOUTH MA-
INCLUDING THE CITY OF MATTAPOISETT
409 PM EDT THU MAY 21 2026
TONIGHT FRI FRI NIGHT SAT
CLOUD COVER MCLDY PCLDY PCLDY MCLDY
PRECIP TYPE NONE NONE NONE NONE
CHANCE PRECIP (%) 10 10
CHANCE OF THUNDER (%) 0 0 0 0
TEMP (24H TREND) 42 (-13) 63 (0) 38 66
RH % (24H TREND) 96 (-1) 29 (-15) 86 40
20FT WND AM(MPH) NE 6 LGT/VAR
20FT WND PM(MPH) LGT/VAR NE 6 LGT/VAR E 6
PRECIP AMOUNT 0.00 0.00 0.00 0.00
PRECIP DURATION
PRECIP BEGIN
PRECIP END
MIXING HGT (FT-AGL) 400 3820 340 3730
TRANSPORT WND (KTS) NW 3 NE 12 E 4 E 10
VENT RATE (KT-FT) 1200 45840 1360 37300
MAX ADI EARLY 10 POOR 67 GOOD 26 FAIR 42 GEN GOOD
MAX ADI LATE 12 POOR 64 GOOD 5 VERY POOR 48 GEN GOOD
MAX LVORI EARLY 4 1 4 2
MAX LVORI LATE 4 1 4 2
MIN VSBY EARLY 9 9 9 9
MIN VSBY LATE 9 9 9 9
SUNSHINE HOURS N/A N/A N/A N/A
CWR 0 0 0 0
REMARKS...NONE.
FORECAST FOR DAYS 3 THROUGH 7
SATURDAY NIGHT
CLOUDY WITH SHOWERS LIKELY. LOWS IN THE UPPER
40S. EAST WINDS 5 TO 10 MPH.
SUNDAY AND SUNDAY NIGHT
SHOWERS. LOWS IN THE UPPER 40S. HIGHS
IN THE UPPER 50S. EAST WINDS 10 TO 15 MPH.
MONDAY
MOSTLY CLOUDY WITH A CHANCE OF SHOWERS. HIGHS IN THE
UPPER 60S. NORTH WINDS AROUND 5 MPH.
MONDAY NIGHT
MOSTLY CLOUDY. LOWS IN THE LOWER 50S. NORTHWEST
WINDS AROUND 5 MPH.
TUESDAY
PARTLY SUNNY. HIGHS IN THE MID 70S. NORTHWEST WINDS
AROUND 5 MPH, BECOMING SOUTHWEST AROUND 5 MPH IN THE AFTERNOON.
TUESDAY NIGHT
PARTLY CLOUDY. LOWS IN THE MID 50S. SOUTHWEST
WINDS AROUND 5 MPH.
WEDNESDAY AND WEDNESDAY NIGHT
PARTLY CLOUDY. A CHANCE OF
SHOWERS. LOWS IN THE MID 50S. HIGHS IN THE MID 70S. NORTH WINDS
5 TO 10 MPH.
THURSDAY
MOSTLY SUNNY. HIGHS IN THE LOWER 70S. NORTH WINDS
AROUND 5 MPH, BECOMING EAST IN THE AFTERNOON.
MAZ022-220800-
BARNSTABLE MA-
INCLUDING THE CITIES OF CHATHAM, FALMOUTH, AND PROVINCETOWN
409 PM EDT THU MAY 21 2026
TONIGHT FRI FRI NIGHT SAT
CLOUD COVER MCLDY PCLDY PCLDY MCLDY
PRECIP TYPE NONE NONE NONE NONE
CHANCE PRECIP (%) 10
CHANCE OF THUNDER (%) 0 0 0 0
TEMP (24H TREND) 43 (-12) 61 (-2) 39 65
RH % (24H TREND) 96 (-4) 35 (-11) 89 40
20FT WND AM(MPH) NE 7 LGT/VAR
20FT WND PM(MPH) LGT/VAR NE 6 LGT/VAR E 5
PRECIP AMOUNT 0.00 0.00 0.00 0.00
PRECIP DURATION
PRECIP BEGIN
PRECIP END
MIXING HGT (FT-AGL) 350 3350 380 2630
TRANSPORT WND (KTS) S 3 NE 13 SE 5 E 9
VENT RATE (KT-FT) 1050 43550 1900 23670
MAX ADI EARLY 9 POOR 52 GEN GOOD 18 GEN POOR 25 FAIR
MAX ADI LATE 13 GEN POOR 52 GEN GOOD 5 VERY POOR 24 FAIR
MAX LVORI EARLY 4 2 3 2
MAX LVORI LATE 4 2 3 2
MIN VSBY EARLY 9 9 9 9
MIN VSBY LATE 9 9 9 9
SUNSHINE HOURS N/A N/A N/A N/A
CWR 0 0 0 0
REMARKS...NONE.
FORECAST FOR DAYS 3 THROUGH 7
SATURDAY NIGHT
CLOUDY WITH SHOWERS LIKELY. LOWS IN THE LOWER
50S. EAST WINDS AROUND 5 MPH, INCREASING TO 10 TO 15 MPH AFTER
MIDNIGHT.
SUNDAY AND SUNDAY NIGHT
SHOWERS. LOWS IN THE LOWER 50S. HIGHS
IN THE UPPER 50S. EAST WINDS 10 TO 15 MPH.
MONDAY
MOSTLY CLOUDY WITH A CHANCE OF SHOWERS. HIGHS IN THE
UPPER 60S. NORTHEAST WINDS 5 TO 10 MPH, BECOMING NORTHWEST IN THE
AFTERNOON.
MONDAY NIGHT
MOSTLY CLOUDY. LOWS IN THE LOWER 50S. NORTHWEST
WINDS AROUND 5 MPH.
TUESDAY
PARTLY SUNNY. HIGHS IN THE LOWER 70S. NORTHWEST WINDS
AROUND 5 MPH, BECOMING SOUTHWEST IN THE AFTERNOON.
TUESDAY NIGHT THROUGH THURSDAY
PARTLY CLOUDY. LOWS IN THE MID
50S. HIGHS IN THE LOWER 70S. NORTHEAST WINDS 5 TO 10 MPH.
MAZ023-220800-
DUKES MA-
INCLUDING THE CITY OF VINEYARD HAVEN
409 PM EDT THU MAY 21 2026
TONIGHT FRI FRI NIGHT SAT
CLOUD COVER MCLDY PCLDY PCLDY MCLDY
PRECIP TYPE NONE NONE NONE NONE
CHANCE PRECIP (%) 10 10
CHANCE OF THUNDER (%) 0 0 0 0
TEMP (24H TREND) 41 (-15) 61 (-2) 37 66
RH % (24H TREND) 100 (0) 39 (-9) 92 41
20FT WND AM(MPH) NE 9 E 7
20FT WND PM(MPH) LGT/VAR E 9 E 5 E 8
PRECIP AMOUNT 0.00 0.00 0.00 0.00
PRECIP DURATION
PRECIP BEGIN
PRECIP END
MIXING HGT (FT-AGL) 500 2880 630 1960
TRANSPORT WND (KTS) N 5 E 14 E 8 E 12
VENT RATE (KT-FT) 2500 40320 5040 23520
MAX ADI EARLY 12 POOR 40 FAIR 33 FAIR 27 FAIR
MAX ADI LATE 15 GEN POOR 40 FAIR 10 POOR 25 FAIR
MAX LVORI EARLY 4 1 3 2
MAX LVORI LATE 4 1 3 2
MIN VSBY EARLY 9 9 9 9
MIN VSBY LATE 9 9 9 9
SUNSHINE HOURS N/A N/A N/A N/A
CWR 0 0 0 0
REMARKS...NONE.
FORECAST FOR DAYS 3 THROUGH 7
SATURDAY NIGHT
CLOUDY WITH SHOWERS LIKELY. LOWS AROUND 50.
EAST WINDS 15 TO 20 MPH.
SUNDAY
BREEZY, SHOWERS. HIGHS IN THE UPPER 50S. EAST WINDS
15 TO 25 MPH.
SUNDAY NIGHT
SHOWERS. LOWS IN THE MID 50S. EAST WINDS 15 TO
20 MPH.
MONDAY
MOSTLY CLOUDY WITH A CHANCE OF SHOWERS. WARMER. HIGHS
AROUND 70. NORTH WINDS 5 TO 10 MPH, BECOMING WEST IN THE
AFTERNOON.
MONDAY NIGHT
MOSTLY CLOUDY. LOWS IN THE MID 50S. WEST WINDS
5 TO 10 MPH.
TUESDAY AND TUESDAY NIGHT
MOSTLY CLOUDY. LOWS IN THE MID 50S.
HIGHS AROUND 70. WEST WINDS 5 TO 10 MPH.
WEDNESDAY THROUGH THURSDAY
PARTLY CLOUDY. LOWS IN THE MID 50S.
HIGHS IN THE LOWER 70S. SOUTHEAST WINDS 5 TO 10 MPH.
MAZ024-220800-
NANTUCKET MA-
INCLUDING THE CITY OF NANTUCKET
409 PM EDT THU MAY 21 2026
TONIGHT FRI FRI NIGHT SAT
CLOUD COVER MCLDY PCLDY PCLDY MCLDY
PRECIP TYPE NONE NONE NONE NONE
CHANCE PRECIP (%) 10 10
CHANCE OF THUNDER (%) 0 0 0 0
TEMP (24H TREND) 44 (-11) 58 (-3) 42 63
RH % (24H TREND) 89 (-11) 53 (0) 82 51
20FT WND AM(MPH) NE 9 E 7
20FT WND PM(MPH) LGT/VAR NE 9 E 5 E 8
PRECIP AMOUNT 0.00 0.00 0.00 0.00
PRECIP DURATION
PRECIP BEGIN
PRECIP END
MIXING HGT (FT-AGL) 530 1810 720 1480
TRANSPORT WND (KTS) E 5 E 16 E 9 E 12
VENT RATE (KT-FT) 2650 28960 6480 17760
MAX ADI EARLY 14 GEN POOR 33 FAIR 28 FAIR 22 FAIR
MAX ADI LATE 16 GEN POOR 33 FAIR 13 GEN POOR 21 FAIR
MAX LVORI EARLY 4 2 3 2
MAX LVORI LATE 4 2 3 2
MIN VSBY EARLY 9 9 9 9
MIN VSBY LATE 9 9 9 9
SUNSHINE HOURS N/A N/A N/A N/A
CWR 0 0 0 0
REMARKS...NONE.
FORECAST FOR DAYS 3 THROUGH 7
SATURDAY NIGHT
CLOUDY WITH SHOWERS LIKELY. LOWS IN THE LOWER
50S. EAST WINDS 10 TO 15 MPH.
SUNDAY AND SUNDAY NIGHT
SHOWERS. LOWS IN THE LOWER 50S. HIGHS
IN THE UPPER 50S. SOUTHEAST WINDS 15 TO 20 MPH.
MONDAY
MOSTLY CLOUDY WITH A CHANCE OF SHOWERS. HIGHS IN THE
MID 60S. SOUTHWEST WINDS 5 TO 10 MPH, BECOMING NORTHWEST IN THE
AFTERNOON.
MONDAY NIGHT
CLOUDY WITH A CHANCE OF SHOWERS. LOWS IN THE MID
50S. NORTHWEST WINDS 5 TO 10 MPH.
TUESDAY
PARTLY SUNNY WITH A CHANCE OF SHOWERS. HIGHS IN THE
MID 60S. NORTH WINDS AROUND 5 MPH, BECOMING SOUTHWEST IN THE
AFTERNOON.
TUESDAY NIGHT
MOSTLY CLOUDY. LOWS IN THE MID 50S. SOUTHWEST
WINDS 5 TO 10 MPH.
WEDNESDAY THROUGH THURSDAY
PARTLY CLOUDY. LOWS IN THE MID 50S.
HIGHS IN THE UPPER 60S. NORTH WINDS 5 TO 10 MPH.
OUTLOOK 8 TO 14 DAYS
TEMPERATURES ABOVE NORMAL. PRECIPITATION BELOW NORMAL.
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