501
FNUS51 KBOX 212009
FWFBOX
FIRE WEATHER PLANNING FORECAST FOR SOUTHERN NEW ENGLAND
NATIONAL WEATHER SERVICE BOSTON/NORTON MA
408 PM EDT TUE JUL 21 2026
DISCUSSION
SHOWERS AND SCATTERED THUNDERSTORMS DEVELOP TUESDAY AFTERNOON
FROM WEST TO EAST AND CONTINUE TUESDAY NIGHT. THESE STORMS MAY
BRING AN ISOLATED SEVERE WEATHER RISK IN THE FORM OF LOCALIZED
DAMAGING WIND GUSTS. IN ADDITION...LOCALIZED FLASH FLOODING IS
POSSIBLE TOO, ESPECIALLY IF ANY THUNDERSTORMS TRACK OVER A
VULNERABLE URBAN CENTER. ANOTHER ROUND OF SHOWERS AND
THUNDERSTORMS WEDNESDAY, HOWEVER, AREAL COVERAGE WILL NOT BE AS
WIDESPREAD OR SEVERE AS TUESDAY.
MINIMUM RELATIVELY HUMIDITY TUESDAY AFTERNOON WILL RANGE FROM
50 TO 60 PERCENT, THEN 60 TO 70 PERCENT WEDNESDAY AFTERNOON.
OUTLOOK...THURSDAY THROUGH SUNDAY
MAINLY DRY AND PLEASANT WEATHER FOLLOWS THURSDAY INTO THE
UPCOMING WEEKEND, WITH SEASONABLE TEMPERATURES AND COMFORTABLE
HUMIDITY LEVELS.
MAZ015-220800-
SUFFOLK MA-
INCLUDING THE CITY OF BOSTON
408 PM EDT TUE JUL 21 2026
TONIGHT WED WED NIGHT THU
CLOUD COVER MCLDY PCLDY PCLDY MCLEAR
PRECIP TYPE TSTMS TSTMS TSTMS NONE
CHANCE PRECIP (%) 90 40 40 10
CHANCE OF THUNDER (%) 20 10 10 0
TEMP (24H TREND) 68 (+4) 85 (+4) 61 81
RH % (24H TREND) 100 (0) 63 (+25) 84 41
20FT WND AM(MPH) SW 8 NW 5
20FT WND PM(MPH) S 9 G20 SW 9 G17 W 6 LGT/VAR
PRECIP AMOUNT 1.13 0.18 0.16 0.00
PRECIP DURATION 6 2 1
PRECIP BEGIN 6 PM CONTINUING CONTINUING
PRECIP END CONTINUING CONTINUING 12 AM
MIXING HGT (FT-AGL) 430 3660 450 6200
TRANSPORT WND (KTS) S 15 SW 18 W 11 N 7
VENT RATE (KT-FT) 6450 65880 4950 43400
MAX ADI EARLY 14 GEN POOR 32 FAIR 19 GEN POOR 53 GEN GOOD
MAX ADI LATE 16 GEN POOR 34 FAIR 10 POOR 59 GEN GOOD
MAX LVORI EARLY 6 4 4 1
MAX LVORI LATE 6 4 4 1
MIN VSBY EARLY 1 FOG 2 FOG 9 9
MIN VSBY LATE 2 FOG 8 9 9
SUNSHINE HOURS N/A N/A N/A N/A
CWR 90 30 30 0
REMARKS...NONE.
FORECAST FOR DAYS 3 THROUGH 7
THURSDAY NIGHT
CLEAR. LOWS IN THE LOWER 60S. SOUTH WINDS
AROUND 5 MPH, BECOMING WEST AFTER MIDNIGHT.
FRIDAY
SUNNY. HIGHS AROUND 80. NORTHWEST WINDS AROUND 5 MPH,
BECOMING EAST IN THE AFTERNOON.
FRIDAY NIGHT
MOSTLY CLEAR. LOWS IN THE LOWER 60S. SOUTHEAST
WINDS 5 TO 10 MPH, BECOMING SOUTHWEST AFTER MIDNIGHT.
SATURDAY
SUNNY. HIGHS IN THE MID 70S. NORTHEAST WINDS 5 TO
10 MPH.
SATURDAY NIGHT
PARTLY CLOUDY. LOWS IN THE LOWER 60S. EAST
WINDS 5 TO 10 MPH, BECOMING NORTH AFTER MIDNIGHT.
SUNDAY AND SUNDAY NIGHT
PARTLY CLOUDY. LOWS IN THE MID 60S.
HIGHS IN THE UPPER 70S. SOUTHWEST WINDS 5 TO 10 MPH.
MONDAY
MOSTLY SUNNY WITH A CHANCE OF SHOWERS. HIGHS IN THE
LOWER 80S. SOUTH WINDS 5 TO 10 MPH.
MONDAY NIGHT
MOSTLY CLOUDY WITH A CHANCE OF SHOWERS. LOWS IN
THE MID 60S. SOUTHWEST WINDS 5 TO 10 MPH.
TUESDAY
MOSTLY SUNNY WITH A CHANCE OF SHOWERS. HIGHS IN THE
LOWER 80S. SOUTH WINDS AROUND 5 MPH.
MAZ016-220800-
EASTERN NORFOLK MA-
INCLUDING THE CITY OF QUINCY
408 PM EDT TUE JUL 21 2026
TONIGHT WED WED NIGHT THU
CLOUD COVER MCLDY PCLDY PCLDY MCLEAR
PRECIP TYPE TSTMS TSTMS TSTMS NONE
CHANCE PRECIP (%) 90 40 40 10
CHANCE OF THUNDER (%) 20 10 10 0
TEMP (24H TREND) 67 (+5) 85 (+4) 61 81
RH % (24H TREND) 100 (0) 65 (+23) 84 41
20FT WND AM(MPH) SW 8 G17 LGT/VAR
20FT WND PM(MPH) S 9 G21 SW 9 G17 SW 6 LGT/VAR
PRECIP AMOUNT 1.32 0.26 0.13 0.00
PRECIP DURATION 6 2 1
PRECIP BEGIN 6 PM CONTINUING CONTINUING
PRECIP END CONTINUING CONTINUING 12 AM
MIXING HGT (FT-AGL) 430 3500 500 6190
TRANSPORT WND (KTS) SW 14 SW 19 W 10 NW 7
VENT RATE (KT-FT) 6020 66500 5000 43330
MAX ADI EARLY 15 GEN POOR 33 FAIR 33 FAIR 46 GEN GOOD
MAX ADI LATE 14 GEN POOR 48 GEN GOOD 10 POOR 56 GEN GOOD
MAX LVORI EARLY 8 4 4 1
MAX LVORI LATE 8 4 4 1
MIN VSBY EARLY 1 FOG 2 FOG 9 9
MIN VSBY LATE 2 FOG 8 9 9
SUNSHINE HOURS N/A N/A N/A N/A
CWR 90 30 30 0
REMARKS...NONE.
FORECAST FOR DAYS 3 THROUGH 7
THURSDAY NIGHT
MOSTLY CLEAR. LOWS AROUND 60. SOUTH WINDS
AROUND 5 MPH, BECOMING SOUTHWEST AFTER MIDNIGHT.
FRIDAY
SUNNY. HIGHS AROUND 80. NORTHWEST WINDS AROUND 5 MPH,
BECOMING EAST IN THE AFTERNOON.
FRIDAY NIGHT
MOSTLY CLEAR. LOWS IN THE LOWER 60S. SOUTHEAST
WINDS AROUND 5 MPH, BECOMING SOUTHWEST AFTER MIDNIGHT.
SATURDAY
SUNNY. HIGHS IN THE UPPER 70S. NORTHEAST WINDS 5 TO
10 MPH.
SATURDAY NIGHT
PARTLY CLOUDY. LOWS IN THE LOWER 60S. EAST
WINDS AROUND 5 MPH, BECOMING NORTH AFTER MIDNIGHT.
SUNDAY AND SUNDAY NIGHT
PARTLY CLOUDY. LOWS IN THE LOWER 60S.
HIGHS IN THE UPPER 70S. SOUTHWEST WINDS AROUND 5 MPH.
MONDAY
MOSTLY SUNNY WITH A CHANCE OF SHOWERS. HIGHS IN THE
LOWER 80S. SOUTH WINDS AROUND 5 MPH.
MONDAY NIGHT
MOSTLY CLOUDY WITH A CHANCE OF SHOWERS. LOWS IN
THE MID 60S. SOUTHWEST WINDS AROUND 5 MPH.
TUESDAY
MOSTLY SUNNY WITH A CHANCE OF SHOWERS. HIGHS IN THE
LOWER 80S. SOUTH WINDS AROUND 5 MPH.
MAZ013-220800-
WESTERN NORFOLK MA-
INCLUDING THE CITIES OF FOXBOROUGH AND NORWOOD
408 PM EDT TUE JUL 21 2026
TONIGHT WED WED NIGHT THU
CLOUD COVER MCLDY PCLDY PCLDY MCLEAR
PRECIP TYPE TSTMS TSTMS TSTMS NONE
CHANCE PRECIP (%) 90 40 40 10
CHANCE OF THUNDER (%) 20 10 10 0
TEMP (24H TREND) 66 (+7) 84 (+4) 58 79
RH % (24H TREND) 100 (0) 67 (+28) 90 39
20FT WND AM(MPH) SW 6 LGT/VAR
20FT WND PM(MPH) S 7 G19 SW 7 G17 LGT/VAR LGT/VAR
PRECIP AMOUNT 1.34 0.22 0.20 0.00
PRECIP DURATION 7 2 1
PRECIP BEGIN 6 PM CONTINUING CONTINUING
PRECIP END CONTINUING CONTINUING 12 AM
MIXING HGT (FT-AGL) 430 3790 410 7180
TRANSPORT WND (KTS) S 12 SW 20 NW 8 NW 9
VENT RATE (KT-FT) 5160 75800 3280 64620
MAX ADI EARLY 29 FAIR 48 GEN GOOD 53 GEN GOOD 50 GEN GOOD
MAX ADI LATE 15 GEN POOR 81 GOOD 9 POOR 83 GOOD
MAX LVORI EARLY 8 4 5 1
MAX LVORI LATE 8 4 5 1
MIN VSBY EARLY 1 FOG 2 FOG 9 9
MIN VSBY LATE 2 FOG 8 9 9
SUNSHINE HOURS N/A N/A N/A N/A
CWR 90 30 30 0
REMARKS...NONE.
FORECAST FOR DAYS 3 THROUGH 7
THURSDAY NIGHT
CLEAR. LOWS IN THE UPPER 50S. SOUTHWEST WINDS
AROUND 5 MPH IN THE EVENING, BECOMING LIGHT AND VARIABLE.
FRIDAY
SUNNY. HIGHS IN THE LOWER 80S. NORTH WINDS AROUND
5 MPH, BECOMING SOUTHEAST IN THE AFTERNOON.
FRIDAY NIGHT
MOSTLY CLEAR. LOWS IN THE UPPER 50S. SOUTHEAST
WINDS AROUND 5 MPH, BECOMING WEST AFTER MIDNIGHT.
SATURDAY
SUNNY. HIGHS IN THE UPPER 70S. NORTHEAST WINDS AROUND
5 MPH.
SATURDAY NIGHT
PARTLY CLOUDY. LOWS IN THE UPPER 50S. EAST
WINDS AROUND 5 MPH IN THE EVENING, BECOMING LIGHT AND VARIABLE.
SUNDAY AND SUNDAY NIGHT
PARTLY CLOUDY. LOWS AROUND 60. HIGHS
IN THE LOWER 80S. SOUTHWEST WINDS AROUND 5 MPH.
MONDAY
MOSTLY SUNNY WITH A CHANCE OF SHOWERS. HIGHS IN THE
LOWER 80S. SOUTH WINDS AROUND 5 MPH.
MONDAY NIGHT
MOSTLY CLOUDY WITH A CHANCE OF SHOWERS. LOWS IN
THE LOWER 60S. SOUTHWEST WINDS AROUND 5 MPH.
TUESDAY
MOSTLY SUNNY WITH A CHANCE OF SHOWERS. HIGHS IN THE
LOWER 80S. SOUTH WINDS AROUND 5 MPH.
MAZ014-220800-
SOUTHEAST MIDDLESEX MA-
INCLUDING THE CITY OF CAMBRIDGE
408 PM EDT TUE JUL 21 2026
TONIGHT WED WED NIGHT THU
CLOUD COVER MCLDY PCLDY PCLDY MCLEAR
PRECIP TYPE TSTMS TSTMS TSTMS NONE
CHANCE PRECIP (%) 90 40 40 10
CHANCE OF THUNDER (%) 10 10 10 0
TEMP (24H TREND) 67 (+4) 86 (+4) 61 81
RH % (24H TREND) 100 (0) 63 (+26) 81 39
20FT WND AM(MPH) SW 7 LGT/VAR
20FT WND PM(MPH) S 8 G19 SW 9 W 6 LGT/VAR
PRECIP AMOUNT 0.98 0.13 0.13 0.00
PRECIP DURATION 6 2 1
PRECIP BEGIN 6 PM CONTINUING CONTINUING
PRECIP END CONTINUING CONTINUING 11 PM
MIXING HGT (FT-AGL) 440 3980 430 6840
TRANSPORT WND (KTS) S 12 SW 19 W 8 N 9
VENT RATE (KT-FT) 5280 75620 3440 61560
MAX ADI EARLY 14 GEN POOR 45 GEN GOOD 42 GEN GOOD 63 GOOD
MAX ADI LATE 15 GEN POOR 63 GOOD 9 POOR 81 GOOD
MAX LVORI EARLY 7 4 4 1
MAX LVORI LATE 7 4 4 1
MIN VSBY EARLY 1 FOG 1 FOG 9 9
MIN VSBY LATE 2 FOG 8 9 9
SUNSHINE HOURS N/A N/A N/A N/A
CWR 90 30 30 0
REMARKS...NONE.
FORECAST FOR DAYS 3 THROUGH 7
THURSDAY NIGHT
CLEAR. LOWS AROUND 60. SOUTH WINDS AROUND
5 MPH, BECOMING WEST AFTER MIDNIGHT.
FRIDAY
SUNNY. HIGHS IN THE LOWER 80S. NORTHWEST WINDS AROUND
5 MPH, BECOMING EAST AROUND 5 MPH IN THE AFTERNOON.
FRIDAY NIGHT
MOSTLY CLEAR. LOWS IN THE LOWER 60S. SOUTHEAST
WINDS AROUND 5 MPH, BECOMING SOUTHWEST AFTER MIDNIGHT.
SATURDAY
SUNNY. HIGHS IN THE UPPER 70S. NORTHEAST WINDS AROUND
5 MPH.
SATURDAY NIGHT
PARTLY CLOUDY. LOWS IN THE LOWER 60S. EAST
WINDS AROUND 5 MPH, BECOMING NORTH AFTER MIDNIGHT.
SUNDAY AND SUNDAY NIGHT
PARTLY CLOUDY. LOWS IN THE LOWER 60S.
HIGHS IN THE LOWER 80S. SOUTHWEST WINDS AROUND 5 MPH.
MONDAY THROUGH TUESDAY
PARTLY CLOUDY WITH A CHANCE OF SHOWERS.
LOWS IN THE MID 60S. HIGHS IN THE MID 80S. SOUTH WINDS AROUND
5 MPH.
MAZ007-220800-
EASTERN ESSEX MA-
INCLUDING THE CITY OF GLOUCESTER
408 PM EDT TUE JUL 21 2026
TONIGHT WED WED NIGHT THU
CLOUD COVER MCLDY PCLDY PCLDY MCLEAR
PRECIP TYPE TSTMS TSTMS TSTMS NONE
CHANCE PRECIP (%) 90 40 30
CHANCE OF THUNDER (%) 10 10 10 0
TEMP (24H TREND) 66 (+5) 86 (+9) 60 80
RH % (24H TREND) 100 (0) 63 (+22) 84 41
20FT WND AM(MPH) SW 8 LGT/VAR
20FT WND PM(MPH) SE 9 G22 SW 9 W 6 LGT/VAR
PRECIP AMOUNT 0.88 0.14 0.13 0.00
PRECIP DURATION 6 2 1
PRECIP BEGIN 6 PM CONTINUING CONTINUING
PRECIP END CONTINUING CONTINUING 11 PM
MIXING HGT (FT-AGL) 430 3050 420 5480
TRANSPORT WND (KTS) SE 16 SW 17 SW 12 NW 7
VENT RATE (KT-FT) 6880 51850 5040 38360
MAX ADI EARLY 15 GEN POOR 30 FAIR 15 GEN POOR 54 GEN GOOD
MAX ADI LATE 16 GEN POOR 34 FAIR 10 POOR 54 GEN GOOD
MAX LVORI EARLY 5 3 4 2
MAX LVORI LATE 5 3 4 2
MIN VSBY EARLY 1 FOG 1 FOG 9 9
MIN VSBY LATE 2 FOG 8 9 9
SUNSHINE HOURS N/A N/A N/A N/A
CWR 90 30 20 0
REMARKS...NONE.
FORECAST FOR DAYS 3 THROUGH 7
THURSDAY NIGHT
MOSTLY CLEAR. LOWS AROUND 60. SOUTH WINDS
AROUND 5 MPH, BECOMING SOUTHWEST AFTER MIDNIGHT.
FRIDAY
SUNNY. HIGHS IN THE UPPER 70S. NORTHWEST WINDS AROUND
5 MPH, BECOMING SOUTHEAST IN THE AFTERNOON.
FRIDAY NIGHT
MOSTLY CLEAR. LOWS IN THE LOWER 60S. SOUTHEAST
WINDS 5 TO 10 MPH, BECOMING SOUTHWEST AFTER MIDNIGHT.
SATURDAY
SUNNY. HIGHS IN THE MID 70S. EAST WINDS 5 TO 10 MPH.
SATURDAY NIGHT
PARTLY CLOUDY. LOWS IN THE LOWER 60S. EAST
WINDS AROUND 5 MPH, BECOMING NORTH AFTER MIDNIGHT.
SUNDAY AND SUNDAY NIGHT
PARTLY CLOUDY. LOWS IN THE LOWER 60S.
HIGHS IN THE UPPER 70S. SOUTHWEST WINDS 5 TO 10 MPH.
MONDAY
PARTLY SUNNY WITH A CHANCE OF SHOWERS. HIGHS IN THE
LOWER 80S. SOUTH WINDS 5 TO 10 MPH.
MONDAY NIGHT
MOSTLY CLOUDY WITH A CHANCE OF SHOWERS. LOWS IN
THE MID 60S. SOUTHWEST WINDS AROUND 5 MPH.
TUESDAY
MOSTLY SUNNY WITH A CHANCE OF SHOWERS. HIGHS IN THE
LOWER 80S. SOUTH WINDS AROUND 5 MPH.
MAZ006-220800-
WESTERN ESSEX MA-
INCLUDING THE CITY OF LAWRENCE
408 PM EDT TUE JUL 21 2026
TONIGHT WED WED NIGHT THU
CLOUD COVER MCLDY PCLDY PCLDY MCLEAR
PRECIP TYPE TSTMS TSTMS TSTMS NONE
CHANCE PRECIP (%) 90 40 30
CHANCE OF THUNDER (%) 10 10 10 0
TEMP (24H TREND) 65 (+4) 85 (+4) 59 80
RH % (24H TREND) 100 (+3) 63 (+26) 84 38
20FT WND AM(MPH) SW 6 LGT/VAR
20FT WND PM(MPH) S 6 G18 SW 7 W 5 LGT/VAR
PRECIP AMOUNT 0.99 0.14 0.06 0.00
PRECIP DURATION 6 2 1
PRECIP BEGIN 6 PM CONTINUING CONTINUING
PRECIP END CONTINUING CONTINUING 9 PM
MIXING HGT (FT-AGL) 430 4550 410 7460
TRANSPORT WND (KTS) S 11 SW 18 W 8 NW 9
VENT RATE (KT-FT) 4730 81900 3280 67140
MAX ADI EARLY 34 FAIR 76 GOOD 53 GEN GOOD 73 GOOD
MAX ADI LATE 14 GEN POOR 98 GOOD 9 POOR 102 VERY GOOD
MAX LVORI EARLY 8 3 4 1
MAX LVORI LATE 8 3 4 1
MIN VSBY EARLY 2 FOG 1 FOG 9 9
MIN VSBY LATE 2 FOG 9 9 9
SUNSHINE HOURS N/A N/A N/A N/A
CWR 90 30 20 0
REMARKS...NONE.
FORECAST FOR DAYS 3 THROUGH 7
THURSDAY NIGHT
CLEAR. LOWS IN THE UPPER 50S. SOUTHWEST WINDS
AROUND 5 MPH IN THE EVENING, BECOMING LIGHT AND VARIABLE.
FRIDAY
SUNNY. HIGHS IN THE LOWER 80S. NORTHWEST WINDS AROUND
5 MPH, BECOMING SOUTHEAST IN THE AFTERNOON.
FRIDAY NIGHT
MOSTLY CLEAR. LOWS IN THE UPPER 50S. SOUTHEAST
WINDS AROUND 5 MPH, BECOMING SOUTHWEST AFTER MIDNIGHT.
SATURDAY
SUNNY. HIGHS IN THE UPPER 70S. EAST WINDS AROUND
5 MPH.
SATURDAY NIGHT
PARTLY CLOUDY. LOWS AROUND 60. EAST WINDS
AROUND 5 MPH, BECOMING NORTH AFTER MIDNIGHT.
SUNDAY AND SUNDAY NIGHT
PARTLY CLOUDY. LOWS IN THE LOWER 60S.
HIGHS AROUND 80. SOUTHWEST WINDS AROUND 5 MPH.
MONDAY
PARTLY SUNNY WITH A CHANCE OF SHOWERS. HIGHS IN THE
LOWER 80S. SOUTHWEST WINDS AROUND 5 MPH, BECOMING SOUTHEAST
AROUND 5 MPH IN THE AFTERNOON.
MONDAY NIGHT AND TUESDAY
PARTLY CLOUDY. A CHANCE OF SHOWERS.
LOWS IN THE LOWER 60S. HIGHS IN THE LOWER 80S. SOUTH WINDS AROUND
5 MPH.
MAZ005-220800-
CENTRAL MIDDLESEX MA-
INCLUDING THE CITIES OF FRAMINGHAM AND LOWELL
408 PM EDT TUE JUL 21 2026
TONIGHT WED WED NIGHT THU
CLOUD COVER MCLDY PCLDY PCLDY MCLEAR
PRECIP TYPE TSTMS TSTMS TSTMS NONE
CHANCE PRECIP (%) 90 40 30
CHANCE OF THUNDER (%) 10 10 10 0
TEMP (24H TREND) 65 (+6) 84 (+3) 58 80
RH % (24H TREND) 100 (0) 63 (+26) 87 38
20FT WND AM(MPH) SW 6 LGT/VAR
20FT WND PM(MPH) S 6 G19 SW 7 LGT/VAR LGT/VAR
PRECIP AMOUNT 0.94 0.16 0.06 0.00
PRECIP DURATION 7 2 1
PRECIP BEGIN 6 PM CONTINUING CONTINUING
PRECIP END CONTINUING CONTINUING 11 PM
MIXING HGT (FT-AGL) 440 4350 420 7450
TRANSPORT WND (KTS) S 11 SW 18 W 8 NW 10
VENT RATE (KT-FT) 4840 78300 3360 74500
MAX ADI EARLY 32 FAIR 61 GOOD 56 GEN GOOD 71 GOOD
MAX ADI LATE 14 GEN POOR 96 GOOD 9 POOR 102 VERY GOOD
MAX LVORI EARLY 8 3 5 1
MAX LVORI LATE 8 3 5 1
MIN VSBY EARLY 1 FOG 1 FOG 8 9
MIN VSBY LATE 2 FOG 8 9 9
SUNSHINE HOURS N/A N/A N/A N/A
CWR 90 40 30 0
REMARKS...NONE.
FORECAST FOR DAYS 3 THROUGH 7
THURSDAY NIGHT
CLEAR. LOWS IN THE UPPER 50S. WEST WINDS AROUND
5 MPH.
FRIDAY
SUNNY. HIGHS IN THE LOWER 80S. NORTH WINDS AROUND
5 MPH, BECOMING SOUTHEAST IN THE AFTERNOON.
FRIDAY NIGHT
MOSTLY CLEAR. LOWS IN THE UPPER 50S. SOUTHEAST
WINDS 5 TO 10 MPH, BECOMING SOUTHWEST AFTER MIDNIGHT.
SATURDAY
SUNNY. HIGHS AROUND 80. NORTHEAST WINDS AROUND 5 MPH.
SATURDAY NIGHT
PARTLY CLOUDY. LOWS IN THE UPPER 50S. EAST
WINDS AROUND 5 MPH IN THE EVENING, BECOMING LIGHT AND VARIABLE.
SUNDAY AND SUNDAY NIGHT
PARTLY CLOUDY. LOWS AROUND 60. HIGHS
IN THE LOWER 80S. SOUTHWEST WINDS AROUND 5 MPH.
MONDAY THROUGH TUESDAY
PARTLY CLOUDY WITH A CHANCE OF SHOWERS.
LOWS IN THE LOWER 60S. HIGHS IN THE MID 80S. SOUTH WINDS AROUND
5 MPH.
MAZ012-220800-
SOUTHERN WORCESTER MA-
INCLUDING THE CITIES OF MILFORD AND WORCESTER
408 PM EDT TUE JUL 21 2026
TONIGHT WED WED NIGHT THU
CLOUD COVER MCLDY PCLDY PCLDY MCLEAR
PRECIP TYPE TSTMS TSTMS TSTMS NONE
CHANCE PRECIP (%) 100 50 40 10
CHANCE OF THUNDER (%) 20 10 10 0
TEMP (24H TREND) 65 (+8) 82 (+3) 56 78
RH % (24H TREND) 100 (0) 69 (+28) 93 40
20FT WND AM(MPH) SW 7 LGT/VAR
20FT WND PM(MPH) S 6 G18 SW 8 G17 W 5 LGT/VAR
PRECIP AMOUNT 0.84 0.19 0.08 0.00
PRECIP DURATION 6 2 1
PRECIP BEGIN 6 PM CONTINUING CONTINUING
PRECIP END CONTINUING CONTINUING 12 AM
MIXING HGT (FT-AGL) 450 3840 430 7120
TRANSPORT WND (KTS) SW 12 SW 17 NW 8 NW 9
VENT RATE (KT-FT) 5400 65280 3440 64080
MAX ADI EARLY 25 FAIR 42 GEN GOOD 49 GEN GOOD 61 GOOD
MAX ADI LATE 12 POOR 71 GOOD 8 POOR 87 GOOD
MAX LVORI EARLY 8 4 6 1
MAX LVORI LATE 8 4 6 1
MIN VSBY EARLY 1 FOG 2 FOG 9 9
MIN VSBY LATE 2 FOG 7 9 9
SUNSHINE HOURS N/A N/A N/A N/A
CWR 90 40 30 0
REMARKS...NONE.
FORECAST FOR DAYS 3 THROUGH 7
THURSDAY NIGHT
CLEAR. LOWS IN THE MID 50S. WEST WINDS AROUND
5 MPH.
FRIDAY
SUNNY. HIGHS IN THE LOWER 80S. NORTH WINDS AROUND
5 MPH, BECOMING SOUTHEAST IN THE AFTERNOON.
FRIDAY NIGHT
MOSTLY CLEAR. LOWS IN THE UPPER 50S. SOUTH WINDS
AROUND 5 MPH, BECOMING WEST AFTER MIDNIGHT.
SATURDAY
SUNNY. HIGHS AROUND 80. NORTHEAST WINDS AROUND 5 MPH.
SATURDAY NIGHT
PARTLY CLOUDY. LOWS IN THE UPPER 50S. SOUTHEAST
WINDS AROUND 5 MPH, BECOMING NORTH AFTER MIDNIGHT.
SUNDAY AND SUNDAY NIGHT
PARTLY CLOUDY. LOWS AROUND 60. HIGHS
IN THE LOWER 80S. SOUTHWEST WINDS AROUND 5 MPH.
MONDAY
MOSTLY SUNNY WITH A CHANCE OF SHOWERS. HIGHS IN THE
LOWER 80S. SOUTHWEST WINDS AROUND 5 MPH.
MONDAY NIGHT
MOSTLY CLOUDY WITH A CHANCE OF SHOWERS. LOWS IN
THE LOWER 60S. SOUTHWEST WINDS AROUND 5 MPH.
TUESDAY
MOSTLY SUNNY WITH A CHANCE OF SHOWERS AND
THUNDERSTORMS. HIGHS AROUND 80. SOUTH WINDS AROUND 5 MPH.
MAZ004-220800-
NORTHERN WORCESTER MA-
INCLUDING THE CITIES OF BARRE AND FITCHBURG
408 PM EDT TUE JUL 21 2026
TONIGHT WED WED NIGHT THU
CLOUD COVER MCLDY PCLDY PCLDY CLEAR
PRECIP TYPE TSTMS TSTMS SHOWERS NONE
CHANCE PRECIP (%) 90 50 30
CHANCE OF THUNDER (%) 10 10 0 0
TEMP (24H TREND) 63 (+6) 81 (+3) 53 77
RH % (24H TREND) 100 (0) 60 (+22) 96 38
20FT WND AM(MPH) SW 7 LGT/VAR
20FT WND PM(MPH) S 6 G18 SW 8 G17 W 5 LGT/VAR
PRECIP AMOUNT 0.63 0.19 0.03 0.00
PRECIP DURATION 6 2 0
PRECIP BEGIN 6 PM CONTINUING CONTINUING
PRECIP END CONTINUING CONTINUING 9 PM
MIXING HGT (FT-AGL) 450 3950 430 7110
TRANSPORT WND (KTS) SW 11 SW 16 NW 9 NW 10
VENT RATE (KT-FT) 4950 63200 3870 71100
MAX ADI EARLY 22 FAIR 56 GEN GOOD 58 GEN GOOD 69 GOOD
MAX ADI LATE 10 POOR 69 GOOD 6 VERY POOR 93 GOOD
MAX LVORI EARLY 8 4 6 1
MAX LVORI LATE 8 4 6 1
MIN VSBY EARLY 2 FOG 4 FOG 9 9
MIN VSBY LATE 3 FOG 8 9 9
SUNSHINE HOURS N/A N/A N/A N/A
CWR 90 40 30 0
REMARKS...NONE.
FORECAST FOR DAYS 3 THROUGH 7
THURSDAY NIGHT
CLEAR. LOWS IN THE MID 50S. NORTHWEST WINDS
AROUND 5 MPH.
FRIDAY
SUNNY. HIGHS AROUND 80. NORTHWEST WINDS AROUND 5 MPH,
BECOMING SOUTH IN THE AFTERNOON.
FRIDAY NIGHT
MOSTLY CLEAR. LOWS IN THE MID 50S. SOUTH WINDS
AROUND 5 MPH, BECOMING SOUTHWEST AFTER MIDNIGHT.
SATURDAY
SUNNY. HIGHS AROUND 80. EAST WINDS AROUND 5 MPH.
SATURDAY NIGHT
PARTLY CLOUDY. LOWS IN THE UPPER 50S. SOUTHEAST
WINDS AROUND 5 MPH, BECOMING NORTH AFTER MIDNIGHT.
SUNDAY AND SUNDAY NIGHT
PARTLY CLOUDY. LOWS IN THE UPPER 50S.
HIGHS IN THE LOWER 80S. SOUTHWEST WINDS AROUND 5 MPH.
MONDAY AND MONDAY NIGHT
MOSTLY CLOUDY. A CHANCE OF SHOWERS.
LOWS AROUND 60. HIGHS IN THE LOWER 80S. SOUTHWEST WINDS AROUND
5 MPH.
TUESDAY
MOSTLY SUNNY WITH A CHANCE OF SHOWERS. HIGHS IN THE
UPPER 70S. SOUTH WINDS AROUND 5 MPH.
MAZ026-220800-
NORTHERN MIDDLESEX MA-
INCLUDING THE CITY OF AYER
408 PM EDT TUE JUL 21 2026
TONIGHT WED WED NIGHT THU
CLOUD COVER MCLDY PCLDY PCLDY CLEAR
PRECIP TYPE TSTMS TSTMS SHOWERS NONE
CHANCE PRECIP (%) 90 40 30
CHANCE OF THUNDER (%) 10 10 0 0
TEMP (24H TREND) 64 (+6) 84 (+4) 56 80
RH % (24H TREND) 100 (0) 63 (+25) 90 38
20FT WND AM(MPH) SW 5 LGT/VAR
20FT WND PM(MPH) S 5 G18 SW 7 G17 LGT/VAR LGT/VAR
PRECIP AMOUNT 0.51 0.15 0.02 0.00
PRECIP DURATION 6 2 0
PRECIP BEGIN 6 PM CONTINUING CONTINUING
PRECIP END CONTINUING CONTINUING 8 PM
MIXING HGT (FT-AGL) 440 4450 420 7600
TRANSPORT WND (KTS) SW 10 SW 17 W 9 NW 11
VENT RATE (KT-FT) 4400 75650 3780 83600
MAX ADI EARLY 30 FAIR 74 GOOD 61 GOOD 80 GOOD
MAX ADI LATE 12 POOR 99 GOOD 9 POOR 105 VERY GOOD
MAX LVORI EARLY 9 3 5 1
MAX LVORI LATE 9 3 5 1
MIN VSBY EARLY 2 FOG 3 FOG 9 9
MIN VSBY LATE 3 FOG 9 9 9
SUNSHINE HOURS N/A N/A N/A N/A
CWR 90 40 20 0
REMARKS...NONE.
FORECAST FOR DAYS 3 THROUGH 7
THURSDAY NIGHT
CLEAR. LOWS IN THE MID 50S. NORTHWEST WINDS
AROUND 5 MPH IN THE EVENING, BECOMING LIGHT AND VARIABLE.
FRIDAY
SUNNY. HIGHS IN THE LOWER 80S. LIGHT AND VARIABLE WIND,
BECOMING SOUTHEAST AROUND 5 MPH IN THE AFTERNOON.
FRIDAY NIGHT
MOSTLY CLEAR. LOWS IN THE UPPER 50S. SOUTH WINDS
AROUND 5 MPH, BECOMING SOUTHWEST AFTER MIDNIGHT.
SATURDAY
SUNNY. HIGHS IN THE LOWER 80S. EAST WINDS AROUND
5 MPH.
SATURDAY NIGHT
PARTLY CLOUDY. LOWS IN THE UPPER 50S. SOUTHEAST
WINDS AROUND 5 MPH IN THE EVENING, BECOMING LIGHT AND VARIABLE.
SUNDAY AND SUNDAY NIGHT
PARTLY CLOUDY. LOWS IN THE UPPER 50S.
HIGHS IN THE LOWER 80S. SOUTHWEST WINDS AROUND 5 MPH.
MONDAY
PARTLY SUNNY WITH A CHANCE OF SHOWERS. HIGHS IN THE MID
80S. SOUTHWEST WINDS AROUND 5 MPH.
MONDAY NIGHT AND TUESDAY
PARTLY CLOUDY. A CHANCE OF SHOWERS.
LOWS IN THE LOWER 60S. HIGHS IN THE LOWER 80S. SOUTH WINDS AROUND
5 MPH.
MAZ002-220800-
WESTERN FRANKLIN MA-
INCLUDING THE CITY OF CHARLEMONT
408 PM EDT TUE JUL 21 2026
TONIGHT WED WED NIGHT THU
CLOUD COVER MCLDY PCLDY MCLEAR MCLEAR
PRECIP TYPE TSTMS TSTMS NONE NONE
CHANCE PRECIP (%) 100 30 10
CHANCE OF THUNDER (%) 10 10 0 0
TEMP (24H TREND) 60 (+4) 78 (+4) 50 75
RH % (24H TREND) 100 (0) 56 (+16) 93 37
20FT WND AM(MPH) LGT/VAR LGT/VAR
20FT WND PM(MPH) LGT/VAR W 6 W 5 LGT/VAR
PRECIP AMOUNT 0.37 0.04 0.00 0.00
PRECIP DURATION 6 1
PRECIP BEGIN 6 PM CONTINUING
PRECIP END CONTINUING 6 PM
MIXING HGT (FT-AGL) 450 4760 430 6910
TRANSPORT WND (KTS) SW 9 W 18 NW 9 NW 11
VENT RATE (KT-FT) 4050 85680 3870 76010
MAX ADI EARLY 24 FAIR 70 GOOD 86 GOOD 89 GOOD
MAX ADI LATE 8 POOR 105 VERY GOOD6 VERY POOR 97 GOOD
MAX LVORI EARLY 9 3 6 1
MAX LVORI LATE 9 3 6 1
MIN VSBY EARLY 2 FOG 5 FOG 9 9
MIN VSBY LATE 5 FOG 9 8 9
SUNSHINE HOURS N/A N/A N/A N/A
CWR 90 10 0 0
REMARKS...NONE.
FORECAST FOR DAYS 3 THROUGH 7
THURSDAY NIGHT
CLEAR. LOWS IN THE LOWER 50S. WEST WINDS AROUND
5 MPH.
FRIDAY
SUNNY. HIGHS IN THE UPPER 70S. WEST WINDS AROUND 5 MPH,
BECOMING SOUTH IN THE AFTERNOON.
FRIDAY NIGHT
MOSTLY CLEAR. LOWS IN THE MID 50S. SOUTH WINDS
AROUND 5 MPH, BECOMING WEST AFTER MIDNIGHT.
SATURDAY
SUNNY. HIGHS AROUND 80. SOUTHEAST WINDS AROUND 5 MPH.
SATURDAY NIGHT
PARTLY CLOUDY. LOWS IN THE MID 50S. SOUTHEAST
WINDS AROUND 5 MPH, BECOMING WEST AFTER MIDNIGHT.
SUNDAY
MOSTLY SUNNY. HIGHS AROUND 80. SOUTHEAST WINDS AROUND
5 MPH.
SUNDAY NIGHT
PARTLY CLOUDY WITH A CHANCE OF SHOWERS. LOWS IN
THE UPPER 50S. SOUTH WINDS AROUND 5 MPH.
MONDAY AND MONDAY NIGHT
MOSTLY CLOUDY. A CHANCE OF SHOWERS AND
THUNDERSTORMS. LOWS IN THE UPPER 50S. HIGHS IN THE UPPER 70S.
SOUTHWEST WINDS AROUND 5 MPH.
TUESDAY
MOSTLY SUNNY WITH A CHANCE OF SHOWERS AND
THUNDERSTORMS. HIGHS IN THE MID 70S. SOUTH WINDS AROUND 5 MPH.
MAZ003-220800-
EASTERN FRANKLIN MA-
INCLUDING THE CITIES OF GREENFIELD AND ORANGE
408 PM EDT TUE JUL 21 2026
TONIGHT WED WED NIGHT THU
CLOUD COVER MCLDY PCLDY MCLEAR CLEAR
PRECIP TYPE TSTMS TSTMS NONE NONE
CHANCE PRECIP (%) 100 40 20
CHANCE OF THUNDER (%) 10 10 0 0
TEMP (24H TREND) 64 (+6) 82 (+5) 54 78
RH % (24H TREND) 100 (0) 54 (+15) 96 36
20FT WND AM(MPH) SW 5 LGT/VAR
20FT WND PM(MPH) S 6 G17 W 7 NW 5 LGT/VAR
PRECIP AMOUNT 0.51 0.10 0.00 0.00
PRECIP DURATION 6 2
PRECIP BEGIN 6 PM CONTINUING
PRECIP END CONTINUING 6 PM
MIXING HGT (FT-AGL) 440 4720 430 7140
TRANSPORT WND (KTS) S 9 W 16 NW 6 NW 10
VENT RATE (KT-FT) 3960 75520 2580 71400
MAX ADI EARLY 26 FAIR 56 GEN GOOD 65 GOOD 79 GOOD
MAX ADI LATE 9 POOR 96 GOOD 4 VERY POOR 95 GOOD
MAX LVORI EARLY 9 3 6 1
MAX LVORI LATE 9 3 6 1
MIN VSBY EARLY 2 FOG 4 FOG 9 9
MIN VSBY LATE 3 FOG 8 9 9
SUNSHINE HOURS N/A N/A N/A N/A
CWR 90 30 0 0
REMARKS...NONE.
FORECAST FOR DAYS 3 THROUGH 7
THURSDAY NIGHT
CLEAR. LOWS IN THE LOWER 50S. NORTHWEST WINDS
AROUND 5 MPH.
FRIDAY
SUNNY. HIGHS IN THE LOWER 80S. NORTHWEST WINDS AROUND
5 MPH, BECOMING SOUTH IN THE AFTERNOON.
FRIDAY NIGHT
MOSTLY CLEAR. LOWS IN THE MID 50S. SOUTH WINDS
AROUND 5 MPH.
SATURDAY
SUNNY. HIGHS IN THE LOWER 80S. EAST WINDS AROUND
5 MPH.
SATURDAY NIGHT
PARTLY CLOUDY. LOWS IN THE UPPER 50S. SOUTHEAST
WINDS AROUND 5 MPH.
SUNDAY AND SUNDAY NIGHT
PARTLY CLOUDY. LOWS IN THE UPPER 50S.
HIGHS IN THE LOWER 80S. SOUTH WINDS AROUND 5 MPH.
MONDAY
MOSTLY SUNNY WITH A CHANCE OF SHOWERS AND
THUNDERSTORMS. HIGHS IN THE LOWER 80S. SOUTHWEST WINDS AROUND
5 MPH.
MONDAY NIGHT
MOSTLY CLOUDY WITH A CHANCE OF SHOWERS. LOWS IN
THE LOWER 60S. SOUTH WINDS AROUND 5 MPH.
TUESDAY
MOSTLY SUNNY WITH A CHANCE OF SHOWERS AND
THUNDERSTORMS. HIGHS AROUND 80. SOUTH WINDS AROUND 5 MPH.
MAZ008-220800-
WESTERN HAMPSHIRE MA-
INCLUDING THE CITY OF CHESTERFIELD
408 PM EDT TUE JUL 21 2026
TONIGHT WED WED NIGHT THU
CLOUD COVER MCLDY PCLDY MCLEAR CLEAR
PRECIP TYPE TSTMS TSTMS NONE NONE
CHANCE PRECIP (%) 100 30 20
CHANCE OF THUNDER (%) 20 10 0 0
TEMP (24H TREND) 61 (+6) 78 (+4) 51 75
RH % (24H TREND) 100 (0) 60 (+18) 93 42
20FT WND AM(MPH) SW 5 NW 5
20FT WND PM(MPH) LGT/VAR W 7 NW 6 LGT/VAR
PRECIP AMOUNT 0.38 0.06 0.00 0.00
PRECIP DURATION 6 2
PRECIP BEGIN 6 PM CONTINUING
PRECIP END CONTINUING 6 PM
MIXING HGT (FT-AGL) 450 4550 450 6760
TRANSPORT WND (KTS) SW 11 W 16 NW 11 NW 10
VENT RATE (KT-FT) 4950 72800 4950 67600
MAX ADI EARLY 20 GEN POOR 62 GOOD 77 GOOD 79 GOOD
MAX ADI LATE 8 POOR 98 GOOD 6 VERY POOR 95 GOOD
MAX LVORI EARLY 8 3 6 1
MAX LVORI LATE 8 3 6 1
MIN VSBY EARLY 3 FOG 5 FOG 9 9
MIN VSBY LATE 5 FOG 8 9 9
SUNSHINE HOURS N/A N/A N/A N/A
CWR 90 20 0 0
REMARKS...NONE.
FORECAST FOR DAYS 3 THROUGH 7
THURSDAY NIGHT
CLEAR. LOWS IN THE LOWER 50S. NORTHWEST WINDS
AROUND 5 MPH.
FRIDAY
SUNNY. HIGHS IN THE UPPER 70S. NORTHWEST WINDS AROUND
5 MPH, BECOMING SOUTH IN THE AFTERNOON.
FRIDAY NIGHT
MOSTLY CLEAR. LOWS IN THE MID 50S. SOUTH WINDS
AROUND 5 MPH IN THE EVENING, BECOMING LIGHT AND VARIABLE.
SATURDAY
SUNNY. HIGHS IN THE UPPER 70S. EAST WINDS AROUND
5 MPH.
SATURDAY NIGHT
PARTLY CLOUDY. LOWS IN THE MID 50S. SOUTHEAST
WINDS AROUND 5 MPH, BECOMING WEST AFTER MIDNIGHT.
SUNDAY AND SUNDAY NIGHT
PARTLY CLOUDY. LOWS IN THE UPPER 50S.
HIGHS AROUND 80. SOUTHWEST WINDS AROUND 5 MPH.
MONDAY AND MONDAY NIGHT
MOSTLY CLOUDY. A CHANCE OF SHOWERS AND
THUNDERSTORMS. LOWS IN THE UPPER 50S. HIGHS IN THE UPPER 70S.
SOUTHWEST WINDS AROUND 5 MPH.
TUESDAY
MOSTLY SUNNY WITH A CHANCE OF SHOWERS AND
THUNDERSTORMS. HIGHS IN THE MID 70S. SOUTH WINDS AROUND 5 MPH.
MAZ010-220800-
EASTERN HAMPSHIRE MA-
INCLUDING THE CITIES OF AMHERST AND NORTHAMPTON
408 PM EDT TUE JUL 21 2026
TONIGHT WED WED NIGHT THU
CLOUD COVER MCLDY PCLDY PCLDY CLEAR
PRECIP TYPE TSTMS TSTMS NONE NONE
CHANCE PRECIP (%) 100 40 30
CHANCE OF THUNDER (%) 10 10 0 0
TEMP (24H TREND) 64 (+6) 83 (+5) 55 79
RH % (24H TREND) 100 (0) 58 (+19) 93 38
20FT WND AM(MPH) SW 6 LGT/VAR
20FT WND PM(MPH) S 7 G18 W 8 NW 6 NW 5
PRECIP AMOUNT 0.52 0.13 0.00 0.00
PRECIP DURATION 6 2
PRECIP BEGIN 6 PM CONTINUING
PRECIP END CONTINUING 6 PM
MIXING HGT (FT-AGL) 440 4570 400 7070
TRANSPORT WND (KTS) S 10 W 15 NW 6 NW 10
VENT RATE (KT-FT) 4400 68550 2400 70700
MAX ADI EARLY 20 GEN POOR 52 GEN GOOD 53 GEN GOOD 68 GOOD
MAX ADI LATE 10 POOR 61 GOOD 4 VERY POOR 94 GOOD
MAX LVORI EARLY 8 4 6 1
MAX LVORI LATE 8 4 6 1
MIN VSBY EARLY 2 FOG 5 FOG 8 9
MIN VSBY LATE 4 FOG 8 9 9
SUNSHINE HOURS N/A N/A N/A N/A
CWR 90 20 0 0
REMARKS...NONE.
FORECAST FOR DAYS 3 THROUGH 7
THURSDAY NIGHT
CLEAR. LOWS IN THE MID 50S. NORTHWEST WINDS
AROUND 5 MPH.
FRIDAY
SUNNY. HIGHS IN THE LOWER 80S. NORTHWEST WINDS AROUND
5 MPH, BECOMING SOUTH IN THE AFTERNOON.
FRIDAY NIGHT
MOSTLY CLEAR. LOWS IN THE MID 50S. SOUTH WINDS
AROUND 5 MPH.
SATURDAY
SUNNY. HIGHS IN THE LOWER 80S. EAST WINDS AROUND
5 MPH.
SATURDAY NIGHT
PARTLY CLOUDY. LOWS IN THE UPPER 50S. SOUTHEAST
WINDS AROUND 5 MPH.
SUNDAY AND SUNDAY NIGHT
PARTLY CLOUDY. LOWS IN THE UPPER 50S.
HIGHS IN THE LOWER 80S. SOUTH WINDS AROUND 5 MPH.
MONDAY THROUGH TUESDAY
PARTLY CLOUDY WITH A CHANCE OF SHOWERS
AND THUNDERSTORMS. LOWS IN THE LOWER 60S. HIGHS IN THE LOWER 80S.
SOUTH WINDS AROUND 5 MPH.
MAZ009-220800-
WESTERN HAMPDEN MA-
INCLUDING THE CITY OF BLANDFORD
408 PM EDT TUE JUL 21 2026
TONIGHT WED WED NIGHT THU
CLOUD COVER MCLDY PCLDY MCLEAR CLEAR
PRECIP TYPE TSTMS TSTMS NONE NONE
CHANCE PRECIP (%) 100 40 20
CHANCE OF THUNDER (%) 20 10 0 0
TEMP (24H TREND) 63 (+6) 80 (+5) 52 76
RH % (24H TREND) 100 (0) 60 (+17) 96 42
20FT WND AM(MPH) SW 5 NW 5
20FT WND PM(MPH) S 5 W 7 NW 6 LGT/VAR
PRECIP AMOUNT 0.55 0.07 0.00 0.00
PRECIP DURATION 6 2
PRECIP BEGIN 6 PM CONTINUING
PRECIP END CONTINUING 6 PM
MIXING HGT (FT-AGL) 460 4960 450 6690
TRANSPORT WND (KTS) SW 10 W 16 NW 10 NW 11
VENT RATE (KT-FT) 4600 79360 4500 73590
MAX ADI EARLY 17 GEN POOR 62 GOOD 79 GOOD 74 GOOD
MAX ADI LATE 10 POOR 97 GOOD 7 POOR 98 GOOD
MAX LVORI EARLY 8 3 6 1
MAX LVORI LATE 8 3 6 1
MIN VSBY EARLY 3 FOG 5 FOG 9 9
MIN VSBY LATE 5 FOG 8 9 9
SUNSHINE HOURS N/A N/A N/A N/A
CWR 90 20 0 0
REMARKS...NONE.
FORECAST FOR DAYS 3 THROUGH 7
THURSDAY NIGHT
CLEAR. LOWS IN THE LOWER 50S. NORTHWEST WINDS
AROUND 5 MPH.
FRIDAY
SUNNY. HIGHS AROUND 80. NORTH WINDS AROUND 5 MPH,
BECOMING SOUTHEAST IN THE AFTERNOON.
FRIDAY NIGHT
MOSTLY CLEAR. LOWS IN THE MID 50S. SOUTH WINDS
AROUND 5 MPH, BECOMING WEST AFTER MIDNIGHT.
SATURDAY
SUNNY. HIGHS IN THE UPPER 70S. NORTHEAST WINDS AROUND
5 MPH, BECOMING SOUTHEAST AROUND 5 MPH IN THE AFTERNOON.
SATURDAY NIGHT
PARTLY CLOUDY. LOWS IN THE MID 50S. SOUTHEAST
WINDS AROUND 5 MPH, BECOMING WEST AFTER MIDNIGHT.
SUNDAY
MOSTLY SUNNY. HIGHS IN THE LOWER 80S. EAST WINDS AROUND
5 MPH, BECOMING SOUTH IN THE AFTERNOON.
SUNDAY NIGHT
PARTLY CLOUDY WITH A CHANCE OF SHOWERS. LOWS
AROUND 60. SOUTH WINDS AROUND 5 MPH.
MONDAY
MOSTLY SUNNY WITH A CHANCE OF SHOWERS AND
THUNDERSTORMS. HIGHS IN THE LOWER 80S. SOUTHWEST WINDS AROUND
5 MPH.
MONDAY NIGHT AND TUESDAY
MOSTLY CLOUDY. A CHANCE OF SHOWERS
AND THUNDERSTORMS. LOWS AROUND 60. HIGHS IN THE UPPER 70S. SOUTH
WINDS AROUND 5 MPH.
MAZ011-220800-
EASTERN HAMPDEN MA-
INCLUDING THE CITY OF SPRINGFIELD
408 PM EDT TUE JUL 21 2026
TONIGHT WED WED NIGHT THU
CLOUD COVER MCLDY PCLDY PCLDY CLEAR
PRECIP TYPE TSTMS TSTMS NONE NONE
CHANCE PRECIP (%) 90 40 30
CHANCE OF THUNDER (%) 10 10 0 0
TEMP (24H TREND) 65 (+6) 83 (+4) 55 79
RH % (24H TREND) 100 (0) 58 (+20) 93 35
20FT WND AM(MPH) SW 7 G17 LGT/VAR
20FT WND PM(MPH) S 7 G19 SW 9 G17 NW 6 NW 5
PRECIP AMOUNT 0.67 0.14 0.00 0.00
PRECIP DURATION 6 2
PRECIP BEGIN 6 PM CONTINUING
PRECIP END CONTINUING 6 PM
MIXING HGT (FT-AGL) 450 4840 440 7060
TRANSPORT WND (KTS) SW 11 W 16 NW 6 NW 10
VENT RATE (KT-FT) 4950 77440 2640 70600
MAX ADI EARLY 18 GEN POOR 51 GEN GOOD 57 GEN GOOD 63 GOOD
MAX ADI LATE 11 POOR 61 GOOD 6 VERY POOR 91 GOOD
MAX LVORI EARLY 8 4 6 1
MAX LVORI LATE 8 4 6 1
MIN VSBY EARLY 1 FOG 5 FOG 8 9
MIN VSBY LATE 4 FOG 8 9 9
SUNSHINE HOURS N/A N/A N/A N/A
CWR 90 30 0 0
REMARKS...NONE.
FORECAST FOR DAYS 3 THROUGH 7
THURSDAY NIGHT
CLEAR. LOWS IN THE MID 50S. NORTHWEST WINDS
AROUND 5 MPH.
FRIDAY AND FRIDAY NIGHT
MOSTLY CLEAR. LOWS IN THE MID 50S.
HIGHS IN THE LOWER 80S. SOUTH WINDS AROUND 5 MPH.
SATURDAY
SUNNY. HIGHS IN THE LOWER 80S. EAST WINDS AROUND
5 MPH.
SATURDAY NIGHT
PARTLY CLOUDY. LOWS IN THE UPPER 50S. SOUTHEAST
WINDS AROUND 5 MPH.
SUNDAY AND SUNDAY NIGHT
PARTLY CLOUDY. LOWS AROUND 60. HIGHS
IN THE LOWER 80S. SOUTH WINDS AROUND 5 MPH.
MONDAY
MOSTLY SUNNY WITH A CHANCE OF SHOWERS AND
THUNDERSTORMS. HIGHS IN THE LOWER 80S. SOUTHWEST WINDS AROUND
5 MPH.
MONDAY NIGHT
MOSTLY CLOUDY WITH A CHANCE OF SHOWERS AND
THUNDERSTORMS. LOWS IN THE LOWER 60S. SOUTH WINDS AROUND 5 MPH.
TUESDAY
MOSTLY SUNNY WITH A CHANCE OF SHOWERS AND
THUNDERSTORMS. HIGHS AROUND 80. SOUTH WINDS AROUND 5 MPH.
CTZ002-220800-
HARTFORD CT-
INCLUDING THE CITIES OF HARTFORD AND WINDSOR LOCKS
408 PM EDT TUE JUL 21 2026
TONIGHT WED WED NIGHT THU
CLOUD COVER MCLDY PCLDY PCLDY MCLEAR
PRECIP TYPE TSTMS TSTMS NONE NONE
CHANCE PRECIP (%) 90 40 30
CHANCE OF THUNDER (%) 20 10 0 0
TEMP (24H TREND) 65 (+5) 84 (+6) 56 79
RH % (24H TREND) 100 (0) 60 (+19) 93 40
20FT WND AM(MPH) SW 6 LGT/VAR
20FT WND PM(MPH) S 6 G18 SW 8 NW 5 LGT/VAR
PRECIP AMOUNT 0.73 0.17 0.00 0.00
PRECIP DURATION 6 2
PRECIP BEGIN 6 PM CONTINUING
PRECIP END CONTINUING 6 PM
MIXING HGT (FT-AGL) 450 5080 440 6880
TRANSPORT WND (KTS) SW 10 W 15 NW 8 N 10
VENT RATE (KT-FT) 4500 76200 3520 68800
MAX ADI EARLY 20 GEN POOR 61 GOOD 70 GOOD 61 GOOD
MAX ADI LATE 12 POOR 93 GOOD 6 VERY POOR 93 GOOD
MAX LVORI EARLY 8 3 6 1
MAX LVORI LATE 8 3 6 1
MIN VSBY EARLY 2 FOG 5 FOG 9 9
MIN VSBY LATE 5 FOG 7 9 9
SUNSHINE HOURS N/A N/A N/A N/A
CWR 90 30 0 0
REMARKS...NONE.
FORECAST FOR DAYS 3 THROUGH 7
THURSDAY NIGHT
CLEAR. LOWS IN THE MID 50S. NORTHWEST WINDS
AROUND 5 MPH.
FRIDAY
SUNNY. HIGHS IN THE LOWER 80S. NORTH WINDS AROUND
5 MPH, BECOMING SOUTHEAST IN THE AFTERNOON.
FRIDAY NIGHT
MOSTLY CLEAR. LOWS IN THE UPPER 50S. SOUTH WINDS
AROUND 5 MPH.
SATURDAY
SUNNY. HIGHS IN THE LOWER 80S. EAST WINDS AROUND
5 MPH.
SATURDAY NIGHT
PARTLY CLOUDY. LOWS IN THE UPPER 50S. SOUTHEAST
WINDS AROUND 5 MPH, BECOMING NORTHWEST AFTER MIDNIGHT.
SUNDAY AND SUNDAY NIGHT
PARTLY CLOUDY. LOWS AROUND 60. HIGHS
IN THE LOWER 80S. SOUTH WINDS AROUND 5 MPH.
MONDAY
MOSTLY SUNNY WITH A CHANCE OF SHOWERS AND
THUNDERSTORMS. HIGHS IN THE LOWER 80S. SOUTHWEST WINDS AROUND
5 MPH.
MONDAY NIGHT
MOSTLY CLOUDY WITH A CHANCE OF SHOWERS AND
THUNDERSTORMS. LOWS IN THE MID 60S. SOUTHWEST WINDS AROUND 5 MPH.
TUESDAY
MOSTLY SUNNY WITH A CHANCE OF SHOWERS AND
THUNDERSTORMS. HIGHS AROUND 80. SOUTH WINDS AROUND 5 MPH.
CTZ003-220800-
TOLLAND CT-
INCLUDING THE CITIES OF UNION AND VERNON
408 PM EDT TUE JUL 21 2026
TONIGHT WED WED NIGHT THU
CLOUD COVER MCLDY PCLDY PCLDY MCLEAR
PRECIP TYPE TSTMS TSTMS TSTMS NONE
CHANCE PRECIP (%) 90 40 30
CHANCE OF THUNDER (%) 20 10 20 0
TEMP (24H TREND) 65 (+8) 82 (+4) 55 77
RH % (24H TREND) 100 (0) 67 (+23) 93 41
20FT WND AM(MPH) SW 7 G17 LGT/VAR
20FT WND PM(MPH) S 7 G19 SW 8 G18 W 5 LGT/VAR
PRECIP AMOUNT 0.77 0.23 0.04 0.00
PRECIP DURATION 6 2 0
PRECIP BEGIN 6 PM CONTINUING CONTINUING
PRECIP END CONTINUING CONTINUING 9 PM
MIXING HGT (FT-AGL) 460 4040 440 6480
TRANSPORT WND (KTS) SW 11 SW 15 NW 8 NW 10
VENT RATE (KT-FT) 5060 60600 3520 64800
MAX ADI EARLY 16 GEN POOR 35 FAIR 64 GOOD 55 GEN GOOD
MAX ADI LATE 13 GEN POOR 66 GOOD 6 VERY POOR 89 GOOD
MAX LVORI EARLY 7 5 6 1
MAX LVORI LATE 7 5 6 1
MIN VSBY EARLY 1 FOG 4 FOG 9 9
MIN VSBY LATE 4 FOG 8 9 9
SUNSHINE HOURS N/A N/A N/A N/A
CWR 90 30 30 0
REMARKS...NONE.
FORECAST FOR DAYS 3 THROUGH 7
THURSDAY NIGHT
CLEAR. LOWS IN THE MID 50S. NORTH WINDS AROUND
5 MPH.
FRIDAY THROUGH SATURDAY
MOSTLY CLEAR. LOWS IN THE MID 50S.
HIGHS IN THE LOWER 80S. EAST WINDS AROUND 5 MPH.
SATURDAY NIGHT
PARTLY CLOUDY. LOWS IN THE UPPER 50S. SOUTHEAST
WINDS AROUND 5 MPH, BECOMING NORTHEAST AFTER MIDNIGHT.
SUNDAY AND SUNDAY NIGHT
PARTLY CLOUDY. LOWS IN THE UPPER 50S.
HIGHS IN THE LOWER 80S. SOUTH WINDS AROUND 5 MPH.
MONDAY
MOSTLY SUNNY WITH A CHANCE OF SHOWERS AND
THUNDERSTORMS. HIGHS IN THE LOWER 80S. SOUTHWEST WINDS AROUND
5 MPH.
MONDAY NIGHT
MOSTLY CLOUDY WITH A CHANCE OF SHOWERS AND
THUNDERSTORMS. LOWS IN THE LOWER 60S. SOUTH WINDS AROUND 5 MPH.
TUESDAY
MOSTLY SUNNY WITH A CHANCE OF SHOWERS AND
THUNDERSTORMS. HIGHS AROUND 80. SOUTH WINDS AROUND 5 MPH.
CTZ004-220800-
WINDHAM CT-
INCLUDING THE CITIES OF PUTNAM AND WILLIMANTIC
408 PM EDT TUE JUL 21 2026
TONIGHT WED WED NIGHT THU
CLOUD COVER MCLDY PCLDY PCLDY MCLEAR
PRECIP TYPE TSTMS TSTMS TSTMS NONE
CHANCE PRECIP (%) 100 40 40 10
CHANCE OF THUNDER (%) 20 10 10 0
TEMP (24H TREND) 65 (+9) 82 (+4) 56 78
RH % (24H TREND) 100 (0) 74 (+27) 93 45
20FT WND AM(MPH) SW 7 LGT/VAR
20FT WND PM(MPH) S 7 G18 SW 8 G17 LGT/VAR LGT/VAR
PRECIP AMOUNT 0.94 0.23 0.08 0.00
PRECIP DURATION 6 2 1
PRECIP BEGIN 6 PM CONTINUING CONTINUING
PRECIP END CONTINUING CONTINUING 12 AM
MIXING HGT (FT-AGL) 460 3870 440 6520
TRANSPORT WND (KTS) SW 10 SW 17 NW 8 NW 9
VENT RATE (KT-FT) 4600 65790 3520 58680
MAX ADI EARLY 18 GEN POOR 36 FAIR 40 FAIR 52 GEN GOOD
MAX ADI LATE 13 GEN POOR 50 GEN GOOD 6 VERY POOR 80 GOOD
MAX LVORI EARLY 8 6 6 1
MAX LVORI LATE 8 6 6 1
MIN VSBY EARLY 1 FOG 3 FOG 9 9
MIN VSBY LATE 3 FOG 8 9 9
SUNSHINE HOURS N/A N/A N/A N/A
CWR 90 40 30 0
REMARKS...NONE.
FORECAST FOR DAYS 3 THROUGH 7
THURSDAY NIGHT
CLEAR. LOWS IN THE MID 50S. NORTHWEST WINDS
AROUND 5 MPH.
FRIDAY
SUNNY. HIGHS IN THE LOWER 80S. NORTHEAST WINDS AROUND
5 MPH, BECOMING SOUTHEAST IN THE AFTERNOON.
FRIDAY NIGHT
MOSTLY CLEAR. LOWS IN THE MID 50S. SOUTH WINDS
AROUND 5 MPH, BECOMING WEST AFTER MIDNIGHT.
SATURDAY
SUNNY. HIGHS IN THE UPPER 70S. EAST WINDS AROUND
5 MPH.
SATURDAY NIGHT
PARTLY CLOUDY. LOWS IN THE UPPER 50S. SOUTHEAST
WINDS AROUND 5 MPH, BECOMING NORTH AFTER MIDNIGHT.
SUNDAY AND SUNDAY NIGHT
PARTLY CLOUDY. LOWS IN THE UPPER 50S.
HIGHS IN THE LOWER 80S. SOUTHWEST WINDS AROUND 5 MPH.
MONDAY
MOSTLY SUNNY WITH A CHANCE OF SHOWERS. HIGHS IN THE
LOWER 80S. SOUTHWEST WINDS AROUND 5 MPH.
MONDAY NIGHT AND TUESDAY
MOSTLY CLOUDY. A CHANCE OF SHOWERS.
LOWS IN THE LOWER 60S. HIGHS AROUND 80. SOUTH WINDS AROUND 5 MPH.
RIZ001-220800-
NORTHWEST PROVIDENCE RI-
INCLUDING THE CITIES OF FOSTER AND SMITHFIELD
408 PM EDT TUE JUL 21 2026
TONIGHT WED WED NIGHT THU
CLOUD COVER MCLDY PCLDY PCLDY MCLEAR
PRECIP TYPE TSTMS TSTMS TSTMS NONE
CHANCE PRECIP (%) 90 40 40 10
CHANCE OF THUNDER (%) 20 10 10 0
TEMP (24H TREND) 66 (+8) 82 (+4) 58 78
RH % (24H TREND) 100 (0) 77 (+30) 93 45
20FT WND AM(MPH) SW 7 LGT/VAR
20FT WND PM(MPH) S 7 G17 SW 8 G17 LGT/VAR LGT/VAR
PRECIP AMOUNT 1.19 0.15 0.08 0.00
PRECIP DURATION 7 2 1
PRECIP BEGIN 6 PM CONTINUING CONTINUING
PRECIP END CONTINUING CONTINUING 12 AM
MIXING HGT (FT-AGL) 450 3950 430 6900
TRANSPORT WND (KTS) SW 13 SW 19 NW 8 NW 8
VENT RATE (KT-FT) 5850 75050 3440 55200
MAX ADI EARLY 23 FAIR 41 GEN GOOD 36 FAIR 48 GEN GOOD
MAX ADI LATE 14 GEN POOR 55 GEN GOOD 8 POOR 75 GOOD
MAX LVORI EARLY 7 5 6 1
MAX LVORI LATE 7 5 6 1
MIN VSBY EARLY 2 FOG 2 FOG 9 9
MIN VSBY LATE 2 FOG 7 9 9
SUNSHINE HOURS N/A N/A N/A N/A
CWR 90 30 30 0
REMARKS...NONE.
FORECAST FOR DAYS 3 THROUGH 7
THURSDAY NIGHT
MOSTLY CLEAR. LOWS IN THE MID 50S. WEST WINDS
AROUND 5 MPH.
FRIDAY
SUNNY. HIGHS AROUND 80. NORTH WINDS AROUND 5 MPH,
BECOMING SOUTHEAST IN THE AFTERNOON.
FRIDAY NIGHT
MOSTLY CLEAR. LOWS IN THE UPPER 50S. SOUTH WINDS
AROUND 5 MPH, BECOMING WEST AFTER MIDNIGHT.
SATURDAY
SUNNY. HIGHS IN THE UPPER 70S. NORTHEAST WINDS AROUND
5 MPH.
SATURDAY NIGHT
PARTLY CLOUDY. LOWS IN THE UPPER 50S. EAST
WINDS AROUND 5 MPH, BECOMING NORTH AFTER MIDNIGHT.
SUNDAY AND SUNDAY NIGHT
PARTLY CLOUDY. LOWS AROUND 60. HIGHS
AROUND 80. SOUTHWEST WINDS AROUND 5 MPH.
MONDAY AND MONDAY NIGHT
MOSTLY CLOUDY. A CHANCE OF SHOWERS.
LOWS IN THE LOWER 60S. HIGHS IN THE LOWER 80S. SOUTHWEST WINDS
AROUND 5 MPH.
TUESDAY
MOSTLY SUNNY WITH A CHANCE OF SHOWERS. HIGHS AROUND
80. SOUTH WINDS AROUND 5 MPH.
RIZ002-220800-
SOUTHEAST PROVIDENCE RI-
INCLUDING THE CITY OF PROVIDENCE
408 PM EDT TUE JUL 21 2026
TONIGHT WED WED NIGHT THU
CLOUD COVER MCLDY PCLDY PCLDY MCLEAR
PRECIP TYPE TSTMS TSTMS TSTMS NONE
CHANCE PRECIP (%) 90 40 40 20
CHANCE OF THUNDER (%) 20 10 10 0
TEMP (24H TREND) 67 (+6) 83 (+4) 60 79
RH % (24H TREND) 100 (0) 74 (+26) 90 44
20FT WND AM(MPH) SW 8 LGT/VAR
20FT WND PM(MPH) S 8 G18 SW 9 G17 W 5 LGT/VAR
PRECIP AMOUNT 1.12 0.11 0.07 0.00
PRECIP DURATION 7 2 1
PRECIP BEGIN 6 PM CONTINUING CONTINUING
PRECIP END CONTINUING CONTINUING 1 AM
MIXING HGT (FT-AGL) 450 3580 430 6760
TRANSPORT WND (KTS) SW 13 SW 19 NW 9 NW 7
VENT RATE (KT-FT) 5850 68020 3870 47320
MAX ADI EARLY 15 GEN POOR 39 FAIR 43 GEN GOOD 46 GEN GOOD
MAX ADI LATE 14 GEN POOR 53 GEN GOOD 6 VERY POOR 63 GOOD
MAX LVORI EARLY 7 6 5 1
MAX LVORI LATE 7 6 5 1
MIN VSBY EARLY 1 FOG 3 FOG 9 9
MIN VSBY LATE 2 FOG 7 9 9
SUNSHINE HOURS N/A N/A N/A N/A
CWR 90 30 30 0
REMARKS...NONE.
FORECAST FOR DAYS 3 THROUGH 7
THURSDAY NIGHT
MOSTLY CLEAR. LOWS IN THE UPPER 50S. WEST WINDS
AROUND 5 MPH.
FRIDAY
SUNNY. HIGHS IN THE LOWER 80S. NORTHEAST WINDS AROUND
5 MPH, BECOMING SOUTHEAST IN THE AFTERNOON.
FRIDAY NIGHT
MOSTLY CLEAR. LOWS IN THE UPPER 50S. SOUTH WINDS
AROUND 5 MPH, BECOMING NORTHWEST AFTER MIDNIGHT.
SATURDAY
SUNNY. HIGHS IN THE UPPER 70S. NORTHEAST WINDS AROUND
5 MPH.
SATURDAY NIGHT
PARTLY CLOUDY. LOWS AROUND 60. EAST WINDS
AROUND 5 MPH, BECOMING NORTH AFTER MIDNIGHT.
SUNDAY AND SUNDAY NIGHT
PARTLY CLOUDY. LOWS IN THE LOWER 60S.
HIGHS IN THE LOWER 80S. SOUTHWEST WINDS AROUND 5 MPH.
MONDAY THROUGH TUESDAY
MOSTLY CLOUDY WITH A CHANCE OF SHOWERS.
LOWS IN THE LOWER 60S. HIGHS IN THE LOWER 80S. SOUTH WINDS 5 TO
10 MPH.
RIZ003-220800-
WESTERN KENT RI-
INCLUDING THE CITIES OF COVENTRY AND WEST GREENWICH
408 PM EDT TUE JUL 21 2026
TONIGHT WED WED NIGHT THU
CLOUD COVER MCLDY PCLDY PCLDY MCLEAR
PRECIP TYPE TSTMS TSTMS TSTMS NONE
CHANCE PRECIP (%) 90 40 40 20
CHANCE OF THUNDER (%) 20 10 10 0
TEMP (24H TREND) 66 (+8) 81 (+4) 58 77
RH % (24H TREND) 100 (0) 77 (+27) 93 47
20FT WND AM(MPH) SW 8 LGT/VAR
20FT WND PM(MPH) S 8 G17 SW 9 G17 W 5 LGT/VAR
PRECIP AMOUNT 0.92 0.08 0.04 0.00
PRECIP DURATION 7 2 1
PRECIP BEGIN 6 PM CONTINUING CONTINUING
PRECIP END CONTINUING CONTINUING 6 AM
MIXING HGT (FT-AGL) 490 3380 430 6190
TRANSPORT WND (KTS) SW 12 SW 17 NW 9 NW 8
VENT RATE (KT-FT) 5880 57460 3870 49520
MAX ADI EARLY 15 GEN POOR 26 FAIR 42 GEN GOOD 43 GEN GOOD
MAX ADI LATE 15 GEN POOR 48 GEN GOOD 7 POOR 67 GOOD
MAX LVORI EARLY 7 6 6 1
MAX LVORI LATE 7 6 6 1
MIN VSBY EARLY 1 FOG 3 FOG 9 9
MIN VSBY LATE 2 FOG 7 9 9
SUNSHINE HOURS N/A N/A N/A N/A
CWR 90 30 20 0
REMARKS...NONE.
FORECAST FOR DAYS 3 THROUGH 7
THURSDAY NIGHT
MOSTLY CLEAR. LOWS IN THE UPPER 50S. WEST WINDS
AROUND 5 MPH.
FRIDAY
SUNNY. HIGHS IN THE UPPER 70S. NORTHEAST WINDS AROUND
5 MPH, BECOMING SOUTHEAST IN THE AFTERNOON.
FRIDAY NIGHT
MOSTLY CLEAR. LOWS IN THE UPPER 50S. SOUTH WINDS
AROUND 5 MPH, BECOMING NORTHWEST AFTER MIDNIGHT.
SATURDAY
SUNNY. HIGHS IN THE UPPER 70S. EAST WINDS AROUND
5 MPH.
SATURDAY NIGHT
PARTLY CLOUDY. LOWS IN THE UPPER 50S. EAST
WINDS AROUND 5 MPH, BECOMING NORTH AFTER MIDNIGHT.
SUNDAY AND SUNDAY NIGHT
PARTLY CLOUDY. LOWS AROUND 60. HIGHS
IN THE UPPER 70S. SOUTHWEST WINDS AROUND 5 MPH.
MONDAY THROUGH TUESDAY
MOSTLY CLOUDY WITH A CHANCE OF SHOWERS.
LOWS IN THE LOWER 60S. HIGHS AROUND 80. SOUTH WINDS AROUND 5 MPH.
RIZ004-220800-
EASTERN KENT RI-
INCLUDING THE CITIES OF EAST GREENWICH, WARWICK, AND WEST WARWICK
408 PM EDT TUE JUL 21 2026
TONIGHT WED WED NIGHT THU
CLOUD COVER MCLDY PCLDY PCLDY MCLEAR
PRECIP TYPE TSTMS TSTMS TSTMS NONE
CHANCE PRECIP (%) 90 50 40 20
CHANCE OF THUNDER (%) 20 10 10 0
TEMP (24H TREND) 67 (+7) 82 (+4) 61 79
RH % (24H TREND) 100 (0) 72 (+25) 90 45
20FT WND AM(MPH) SW 9 N 5
20FT WND PM(MPH) S 9 G19 SW 10 G18 SW 6 LGT/VAR
PRECIP AMOUNT 0.83 0.04 0.02 0.00
PRECIP DURATION 8 2 1
PRECIP BEGIN 6 PM CONTINUING CONTINUING
PRECIP END CONTINUING CONTINUING 6 AM
MIXING HGT (FT-AGL) 450 3080 430 5650
TRANSPORT WND (KTS) SW 14 SW 19 NW 9 NW 7
VENT RATE (KT-FT) 6300 58520 3870 39550
MAX ADI EARLY 16 GEN POOR 1 VERY POOR 31 FAIR 41 GEN GOOD
MAX ADI LATE 15 GEN POOR 50 GEN GOOD 7 POOR 54 GEN GOOD
MAX LVORI EARLY 6 5 5 1
MAX LVORI LATE 6 5 5 1
MIN VSBY EARLY 1 FOG 3 FOG 9 9
MIN VSBY LATE 2 FOG 7 9 9
SUNSHINE HOURS N/A N/A N/A N/A
CWR 90 20 10 0
REMARKS...NONE.
FORECAST FOR DAYS 3 THROUGH 7
THURSDAY NIGHT
MOSTLY CLEAR. LOWS AROUND 60. SOUTHWEST WINDS
AROUND 5 MPH, BECOMING NORTHWEST AFTER MIDNIGHT.
FRIDAY
SUNNY. HIGHS AROUND 80. NORTHEAST WINDS AROUND 5 MPH,
BECOMING SOUTHEAST IN THE AFTERNOON.
FRIDAY NIGHT
MOSTLY CLEAR. LOWS AROUND 60. SOUTH WINDS 5 TO
10 MPH, BECOMING NORTHWEST AFTER MIDNIGHT.
SATURDAY
SUNNY. HIGHS IN THE UPPER 70S. EAST WINDS AROUND
5 MPH.
SATURDAY NIGHT
PARTLY CLOUDY. LOWS IN THE LOWER 60S. EAST
WINDS AROUND 5 MPH, BECOMING NORTH AFTER MIDNIGHT.
SUNDAY AND SUNDAY NIGHT
PARTLY CLOUDY. LOWS IN THE LOWER 60S.
HIGHS AROUND 80. SOUTHWEST WINDS AROUND 5 MPH.
MONDAY THROUGH TUESDAY
MOSTLY CLOUDY WITH A CHANCE OF SHOWERS.
LOWS IN THE MID 60S. HIGHS IN THE LOWER 80S. SOUTH WINDS 5 TO
10 MPH.
RIZ005-220800-
BRISTOL RI-
INCLUDING THE CITY OF BRISTOL
408 PM EDT TUE JUL 21 2026
TONIGHT WED WED NIGHT THU
CLOUD COVER MCLDY PCLDY PCLDY PCLDY
PRECIP TYPE TSTMS TSTMS TSTMS NONE
CHANCE PRECIP (%) 90 50 40 20
CHANCE OF THUNDER (%) 20 10 10 0
TEMP (24H TREND) 68 (+4) 81 (+4) 62 79
RH % (24H TREND) 100 (0) 82 (+28) 93 48
20FT WND AM(MPH) SW 11 G19 LGT/VAR
20FT WND PM(MPH) S 11 G20 S 12 G19 SW 7 G17 LGT/VAR
PRECIP AMOUNT 0.79 0.05 0.03 0.00
PRECIP DURATION 7 2 1
PRECIP BEGIN 6 PM CONTINUING CONTINUING
PRECIP END CONTINUING CONTINUING 6 AM
MIXING HGT (FT-AGL) 450 2360 440 5150
TRANSPORT WND (KTS) SW 16 SW 19 NW 8 NW 7
VENT RATE (KT-FT) 7200 44840 3520 36050
MAX ADI EARLY 19 GEN POOR 31 FAIR 22 FAIR 37 FAIR
MAX ADI LATE 17 GEN POOR 42 GEN GOOD 6 VERY POOR 49 GEN GOOD
MAX LVORI EARLY 9 7 5 1
MAX LVORI LATE 9 7 5 1
MIN VSBY EARLY 1 FOG 3 FOG 8 9
MIN VSBY LATE 2 FOG 7 9 9
SUNSHINE HOURS N/A N/A N/A N/A
CWR 90 20 10 0
REMARKS...NONE.
FORECAST FOR DAYS 3 THROUGH 7
THURSDAY NIGHT
MOSTLY CLEAR. LOWS IN THE LOWER 60S. SOUTHWEST
WINDS AROUND 5 MPH, BECOMING NORTHWEST AFTER MIDNIGHT.
FRIDAY
SUNNY. HIGHS IN THE UPPER 70S. NORTHEAST WINDS AROUND
5 MPH, BECOMING SOUTHEAST AROUND 5 MPH IN THE AFTERNOON.
FRIDAY NIGHT
MOSTLY CLEAR. LOWS IN THE LOWER 60S. SOUTH WINDS
AROUND 5 MPH, BECOMING NORTH AFTER MIDNIGHT.
SATURDAY
SUNNY. HIGHS IN THE UPPER 70S. NORTHEAST WINDS AROUND
5 MPH.
SATURDAY NIGHT
PARTLY CLOUDY. LOWS IN THE LOWER 60S. EAST
WINDS AROUND 5 MPH, BECOMING NORTH AFTER MIDNIGHT.
SUNDAY AND SUNDAY NIGHT
PARTLY CLOUDY. LOWS IN THE MID 60S.
HIGHS AROUND 80. SOUTHWEST WINDS AROUND 5 MPH.
MONDAY THROUGH TUESDAY
MOSTLY CLOUDY WITH A CHANCE OF SHOWERS.
LOWS IN THE MID 60S. HIGHS IN THE LOWER 80S. SOUTH WINDS 5 TO
10 MPH.
RIZ006-220800-
WASHINGTON RI-
INCLUDING THE CITIES OF NARRAGANSETT AND WESTERLY
408 PM EDT TUE JUL 21 2026
TONIGHT WED WED NIGHT THU
CLOUD COVER MCLDY PCLDY PCLDY PCLDY
PRECIP TYPE TSTMS TSTMS TSTMS NONE
CHANCE PRECIP (%) 90 50 30 20
CHANCE OF THUNDER (%) 20 20 10 0
TEMP (24H TREND) 66 (+8) 81 (+5) 59 79
RH % (24H TREND) 100 (0) 74 (+24) 100 47
20FT WND AM(MPH) SW 10 G21 LGT/VAR
20FT WND PM(MPH) S 9 G21 SW 10 G20 SW 6 G18 LGT/VAR
PRECIP AMOUNT 0.67 0.06 0.05 0.00
PRECIP DURATION 8 2 1
PRECIP BEGIN 6 PM CONTINUING CONTINUING
PRECIP END CONTINUING CONTINUING 6 AM
MIXING HGT (FT-AGL) 440 2670 420 4760
TRANSPORT WND (KTS) SW 16 SW 18 SW 10 NE 6
VENT RATE (KT-FT) 7040 48060 4200 28560
MAX ADI EARLY 18 GEN POOR 1 VERY POOR 27 FAIR 36 FAIR
MAX ADI LATE 17 GEN POOR 36 FAIR 7 POOR 36 FAIR
MAX LVORI EARLY 5 7 6 2
MAX LVORI LATE 5 7 6 2
MIN VSBY EARLY 1 FOG 2 FOG 8 9
MIN VSBY LATE 2 FOG 7 9 9
SUNSHINE HOURS N/A N/A N/A N/A
CWR 90 30 20 0
REMARKS...NONE.
FORECAST FOR DAYS 3 THROUGH 7
THURSDAY NIGHT
MOSTLY CLEAR. LOWS IN THE UPPER 50S. SOUTHWEST
WINDS AROUND 5 MPH, BECOMING NORTHWEST AFTER MIDNIGHT.
FRIDAY
SUNNY. HIGHS IN THE UPPER 70S. NORTHEAST WINDS AROUND
5 MPH, BECOMING SOUTHEAST AROUND 5 MPH IN THE AFTERNOON.
FRIDAY NIGHT
MOSTLY CLEAR. LOWS IN THE UPPER 50S. SOUTHEAST
WINDS AROUND 5 MPH, BECOMING NORTHEAST AFTER MIDNIGHT.
SATURDAY
SUNNY. HIGHS IN THE MID 70S. EAST WINDS 5 TO 10 MPH.
SATURDAY NIGHT
PARTLY CLOUDY. LOWS AROUND 60. EAST WINDS
AROUND 5 MPH, BECOMING NORTH AFTER MIDNIGHT.
SUNDAY AND SUNDAY NIGHT
PARTLY CLOUDY. LOWS IN THE LOWER 60S.
HIGHS IN THE UPPER 70S. SOUTHWEST WINDS 5 TO 10 MPH.
MONDAY
MOSTLY SUNNY WITH A CHANCE OF SHOWERS. HIGHS IN THE
UPPER 70S. SOUTHWEST WINDS 5 TO 10 MPH.
MONDAY NIGHT AND TUESDAY
MOSTLY CLOUDY. A CHANCE OF SHOWERS.
LOWS IN THE MID 60S. HIGHS IN THE UPPER 70S. SOUTH WINDS 5 TO
10 MPH.
RIZ007-220800-
NEWPORT RI-
INCLUDING THE CITY OF NEWPORT
408 PM EDT TUE JUL 21 2026
TONIGHT WED WED NIGHT THU
CLOUD COVER MCLDY MCLDY PCLDY PCLDY
PRECIP TYPE TSTMS TSTMS TSTMS NONE
CHANCE PRECIP (%) 90 50 40 30
CHANCE OF THUNDER (%) 10 20 10 0
TEMP (24H TREND) 68 (+4) 80 (+4) 63 79
RH % (24H TREND) 100 (0) 79 (+24) 97 47
20FT WND AM(MPH) SW 13 G22 N 5
20FT WND PM(MPH) S 12 G21 SW 13 G22 SW 9 G19 NE 5
PRECIP AMOUNT 0.81 0.07 0.06 0.00
PRECIP DURATION 8 2 1
PRECIP BEGIN 6 PM CONTINUING CONTINUING
PRECIP END CONTINUING CONTINUING 6 AM
MIXING HGT (FT-AGL) 430 1670 430 4030
TRANSPORT WND (KTS) SW 17 SW 18 N 9 N 5
VENT RATE (KT-FT) 7310 30060 3870 20150
MAX ADI EARLY 20 GEN POOR 1 VERY POOR 21 FAIR 31 FAIR
MAX ADI LATE 20 GEN POOR 26 FAIR 8 POOR 27 FAIR
MAX LVORI EARLY 5 7 5 2
MAX LVORI LATE 5 7 5 2
MIN VSBY EARLY 2 FOG 2 FOG 7 9
MIN VSBY LATE 1 FOG 7 8 9
SUNSHINE HOURS N/A N/A N/A N/A
CWR 90 30 20 0
REMARKS...NONE.
FORECAST FOR DAYS 3 THROUGH 7
THURSDAY NIGHT
MOSTLY CLEAR. LOWS IN THE LOWER 60S. SOUTH
WINDS AROUND 5 MPH, BECOMING NORTHWEST AFTER MIDNIGHT.
FRIDAY
SUNNY. HIGHS IN THE UPPER 70S. NORTHEAST WINDS AROUND
5 MPH, BECOMING SOUTHEAST IN THE AFTERNOON.
FRIDAY NIGHT AND SATURDAY
MOSTLY CLEAR. LOWS IN THE LOWER 60S.
HIGHS IN THE MID 70S. EAST WINDS 5 TO 10 MPH.
SATURDAY NIGHT
PARTLY CLOUDY. LOWS IN THE LOWER 60S. EAST
WINDS 5 TO 10 MPH, BECOMING NORTH AFTER MIDNIGHT.
SUNDAY AND SUNDAY NIGHT
PARTLY CLOUDY. LOWS IN THE MID 60S.
HIGHS IN THE UPPER 70S. SOUTHWEST WINDS 5 TO 10 MPH.
MONDAY
MOSTLY SUNNY WITH A CHANCE OF SHOWERS. HIGHS IN THE
UPPER 70S. SOUTHWEST WINDS 5 TO 10 MPH.
MONDAY NIGHT
MOSTLY CLOUDY WITH A CHANCE OF SHOWERS. LOWS IN
THE MID 60S. SOUTHWEST WINDS 5 TO 10 MPH.
TUESDAY
PARTLY SUNNY WITH A CHANCE OF SHOWERS. HIGHS IN THE
UPPER 70S. SOUTH WINDS 5 TO 10 MPH.
RIZ008-220800-
BLOCK ISLAND RI-
INCLUDING THE CITY OF NEW SHOREHAM
408 PM EDT TUE JUL 21 2026
TONIGHT WED WED NIGHT THU
CLOUD COVER MCLDY PCLDY PCLDY PCLDY
PRECIP TYPE TSTMS TSTMS TSTMS SHOWERS
CHANCE PRECIP (%) 90 50 40 30
CHANCE OF THUNDER (%) 20 20 10 0
TEMP (24H TREND) 68 (+2) 77 (+2) 64 74
RH % (24H TREND) 100 (0) 84 (+13) 93 64
20FT WND AM(MPH) SW 15 G23 N 6
20FT WND PM(MPH) S 14 G23 SW 14 G21 SW 11 G19 SE 5
PRECIP AMOUNT 0.55 0.05 0.03 0.00
PRECIP DURATION 8 2 2
PRECIP BEGIN 6 PM CONTINUING CONTINUING
PRECIP END CONTINUING CONTINUING 6 AM
MIXING HGT (FT-AGL) 520 730 430 1400
TRANSPORT WND (KTS) S 23 SW 22 SW 13 N 7
VENT RATE (KT-FT) 11960 16060 5590 9800
MAX ADI EARLY 27 FAIR 27 FAIR 27 FAIR 20 GEN POOR
MAX ADI LATE 25 FAIR 28 FAIR 12 POOR 14 GEN POOR
MAX LVORI EARLY 5 7 5 3
MAX LVORI LATE 5 7 5 3
MIN VSBY EARLY 3 FOG 2 FOG 7 9
MIN VSBY LATE 2 FOG 7 9 9
SUNSHINE HOURS N/A N/A N/A N/A
CWR 80 30 10 10
REMARKS...NONE.
FORECAST FOR DAYS 3 THROUGH 7
THURSDAY NIGHT
MOSTLY CLEAR. LOWS IN THE MID 60S. SOUTH WINDS
AROUND 5 MPH, BECOMING NORTH AFTER MIDNIGHT.
FRIDAY
SUNNY. HIGHS IN THE MID 70S. NORTHEAST WINDS AROUND
5 MPH, BECOMING SOUTHEAST IN THE AFTERNOON.
FRIDAY NIGHT AND SATURDAY
PARTLY CLOUDY. LOWS IN THE MID 60S.
HIGHS IN THE LOWER 70S. EAST WINDS 5 TO 10 MPH.
SATURDAY NIGHT
PARTLY CLOUDY. LOWS IN THE MID 60S. NORTHEAST
WINDS AROUND 5 MPH.
SUNDAY THROUGH MONDAY
PARTLY CLOUDY. LOWS IN THE MID 60S.
HIGHS IN THE LOWER 70S. SOUTH WINDS 5 TO 10 MPH.
MONDAY NIGHT AND TUESDAY
MOSTLY CLOUDY. A CHANCE OF SHOWERS.
LOWS IN THE UPPER 60S. HIGHS IN THE MID 70S. SOUTH WINDS 5 TO
10 MPH.
MAZ017-220800-
NORTHERN BRISTOL MA-
INCLUDING THE CITY OF TAUNTON
408 PM EDT TUE JUL 21 2026
TONIGHT WED WED NIGHT THU
CLOUD COVER MCLDY PCLDY PCLDY PCLDY
PRECIP TYPE TSTMS TSTMS TSTMS NONE
CHANCE PRECIP (%) 90 40 40 20
CHANCE OF THUNDER (%) 20 10 10 0
TEMP (24H TREND) 66 (+9) 83 (+4) 59 80
RH % (24H TREND) 100 (0) 74 (+29) 93 44
20FT WND AM(MPH) SW 7 G17 LGT/VAR
20FT WND PM(MPH) S 7 G19 SW 9 G19 LGT/VAR LGT/VAR
PRECIP AMOUNT 1.15 0.12 0.14 0.00
PRECIP DURATION 6 2 1
PRECIP BEGIN 6 PM CONTINUING CONTINUING
PRECIP END CONTINUING CONTINUING 1 AM
MIXING HGT (FT-AGL) 440 3230 410 6640
TRANSPORT WND (KTS) SW 14 SW 20 NW 8 NW 7
VENT RATE (KT-FT) 6160 64600 3280 46480
MAX ADI EARLY 23 FAIR 43 GEN GOOD 39 FAIR 43 GEN GOOD
MAX ADI LATE 15 GEN POOR 68 GOOD 9 POOR 57 GEN GOOD
MAX LVORI EARLY 6 6 6 1
MAX LVORI LATE 6 6 6 1
MIN VSBY EARLY 1 FOG 2 FOG 9 9
MIN VSBY LATE 2 FOG 8 9 9
SUNSHINE HOURS N/A N/A N/A N/A
CWR 90 20 20 0
REMARKS...NONE.
FORECAST FOR DAYS 3 THROUGH 7
THURSDAY NIGHT
MOSTLY CLEAR. LOWS IN THE UPPER 50S. SOUTHWEST
WINDS AROUND 5 MPH IN THE EVENING, BECOMING LIGHT AND VARIABLE.
FRIDAY
SUNNY. HIGHS IN THE LOWER 80S. NORTHEAST WINDS AROUND
5 MPH, BECOMING SOUTHEAST IN THE AFTERNOON.
FRIDAY NIGHT
MOSTLY CLEAR. LOWS IN THE UPPER 50S. SOUTHEAST
WINDS AROUND 5 MPH IN THE EVENING, BECOMING LIGHT AND VARIABLE.
SATURDAY
SUNNY. HIGHS IN THE UPPER 70S. NORTHEAST WINDS AROUND
5 MPH.
SATURDAY NIGHT
PARTLY CLOUDY. LOWS IN THE UPPER 50S. EAST
WINDS AROUND 5 MPH IN THE EVENING, BECOMING LIGHT AND VARIABLE.
SUNDAY AND SUNDAY NIGHT
PARTLY CLOUDY. LOWS AROUND 60. HIGHS
IN THE LOWER 80S. SOUTHWEST WINDS AROUND 5 MPH.
MONDAY THROUGH TUESDAY
MOSTLY CLOUDY WITH A CHANCE OF SHOWERS.
LOWS IN THE LOWER 60S. HIGHS IN THE LOWER 80S. SOUTH WINDS AROUND
5 MPH.
MAZ018-220800-
WESTERN PLYMOUTH MA-
INCLUDING THE CITY OF BROCKTON
408 PM EDT TUE JUL 21 2026
TONIGHT WED WED NIGHT THU
CLOUD COVER MCLDY MCLDY PCLDY PCLDY
PRECIP TYPE TSTMS TSTMS TSTMS NONE
CHANCE PRECIP (%) 90 40 40 20
CHANCE OF THUNDER (%) 20 10 10 0
TEMP (24H TREND) 66 (+8) 83 (+3) 60 80
RH % (24H TREND) 100 (0) 72 (+28) 90 42
20FT WND AM(MPH) SW 9 G20 LGT/VAR
20FT WND PM(MPH) S 7 G20 SW 9 G21 SW 5 G18 LGT/VAR
PRECIP AMOUNT 1.03 0.08 0.10 0.00
PRECIP DURATION 7 2 1
PRECIP BEGIN 6 PM CONTINUING CONTINUING
PRECIP END CONTINUING CONTINUING 6 AM
MIXING HGT (FT-AGL) 430 3230 410 5460
TRANSPORT WND (KTS) SW 15 SW 21 NW 8 NE 7
VENT RATE (KT-FT) 6450 67830 3280 38220
MAX ADI EARLY 21 FAIR 31 FAIR 39 FAIR 39 FAIR
MAX ADI LATE 15 GEN POOR 56 GEN GOOD 9 POOR 44 GEN GOOD
MAX LVORI EARLY 10 6 6 1
MAX LVORI LATE 10 6 6 1
MIN VSBY EARLY 1 FOG 2 FOG 8 9
MIN VSBY LATE 1 FOG 7 9 9
SUNSHINE HOURS N/A N/A N/A N/A
CWR 90 20 20 0
REMARKS...NONE.
FORECAST FOR DAYS 3 THROUGH 7
THURSDAY NIGHT
MOSTLY CLEAR. LOWS IN THE UPPER 50S. SOUTHEAST
WINDS AROUND 5 MPH IN THE EVENING, BECOMING LIGHT AND VARIABLE.
FRIDAY
SUNNY. HIGHS AROUND 80. NORTH WINDS AROUND 5 MPH,
BECOMING EAST AROUND 5 MPH IN THE AFTERNOON.
FRIDAY NIGHT
MOSTLY CLEAR. LOWS IN THE UPPER 50S. SOUTHEAST
WINDS AROUND 5 MPH IN THE EVENING, BECOMING LIGHT AND VARIABLE.
SATURDAY
SUNNY. HIGHS IN THE UPPER 70S. EAST WINDS AROUND
5 MPH.
SATURDAY NIGHT
PARTLY CLOUDY. LOWS IN THE UPPER 50S. EAST
WINDS AROUND 5 MPH IN THE EVENING, BECOMING LIGHT AND VARIABLE.
SUNDAY AND SUNDAY NIGHT
PARTLY CLOUDY. LOWS AROUND 60. HIGHS
IN THE UPPER 70S. SOUTHWEST WINDS AROUND 5 MPH.
MONDAY
PARTLY SUNNY WITH A CHANCE OF SHOWERS. HIGHS IN THE
LOWER 80S. SOUTH WINDS AROUND 5 MPH.
MONDAY NIGHT AND TUESDAY
MOSTLY CLOUDY. A CHANCE OF SHOWERS.
LOWS IN THE LOWER 60S. HIGHS IN THE LOWER 80S. SOUTH WINDS AROUND
5 MPH.
MAZ019-220800-
EASTERN PLYMOUTH MA-
INCLUDING THE CITY OF PLYMOUTH
408 PM EDT TUE JUL 21 2026
TONIGHT WED WED NIGHT THU
CLOUD COVER MCLDY MCLDY PCLDY PCLDY
PRECIP TYPE TSTMS TSTMS TSTMS NONE
CHANCE PRECIP (%) 90 50 40 20
CHANCE OF THUNDER (%) 10 20 10 0
TEMP (24H TREND) 67 (+6) 84 (+5) 61 79
RH % (24H TREND) 100 (0) 67 (+24) 93 43
20FT WND AM(MPH) SW 10 G22 LGT/VAR
20FT WND PM(MPH) S 9 G21 SW 11 G21 SW 7 G20 LGT/VAR
PRECIP AMOUNT 1.12 0.09 0.08 0.00
PRECIP DURATION 7 2 2
PRECIP BEGIN 6 PM CONTINUING CONTINUING
PRECIP END CONTINUING CONTINUING 6 AM
MIXING HGT (FT-AGL) 440 2290 440 3610
TRANSPORT WND (KTS) S 17 SW 19 NW 9 N 6
VENT RATE (KT-FT) 7480 43510 3960 21660
MAX ADI EARLY 18 GEN POOR 1 VERY POOR 20 GEN POOR 33 FAIR
MAX ADI LATE 17 GEN POOR 21 FAIR 11 POOR 27 FAIR
MAX LVORI EARLY 10 5 5 2
MAX LVORI LATE 10 5 5 2
MIN VSBY EARLY 1 FOG 2 FOG 7 9
MIN VSBY LATE 2 FOG 7 8 9
SUNSHINE HOURS N/A N/A N/A N/A
CWR 90 20 20 0
REMARKS...NONE.
FORECAST FOR DAYS 3 THROUGH 7
THURSDAY NIGHT
MOSTLY CLEAR. LOWS IN THE LOWER 60S. SOUTHEAST
WINDS AROUND 5 MPH, BECOMING SOUTHWEST AFTER MIDNIGHT.
FRIDAY
SUNNY. HIGHS IN THE UPPER 70S. NORTH WINDS AROUND
5 MPH, BECOMING EAST IN THE AFTERNOON.
FRIDAY NIGHT
MOSTLY CLEAR. LOWS IN THE LOWER 60S. SOUTH WINDS
5 TO 10 MPH.
SATURDAY
SUNNY. HIGHS IN THE MID 70S. NORTHEAST WINDS 5 TO
10 MPH.
SATURDAY NIGHT
PARTLY CLOUDY. LOWS IN THE LOWER 60S. EAST
WINDS 5 TO 10 MPH, BECOMING NORTH AFTER MIDNIGHT.
SUNDAY AND SUNDAY NIGHT
PARTLY CLOUDY. LOWS IN THE LOWER 60S.
HIGHS IN THE MID 70S. SOUTHWEST WINDS AROUND 5 MPH.
MONDAY
MOSTLY SUNNY WITH A CHANCE OF SHOWERS. HIGHS AROUND 80.
SOUTH WINDS 5 TO 10 MPH.
MONDAY NIGHT AND TUESDAY
MOSTLY CLOUDY. A CHANCE OF SHOWERS.
LOWS IN THE MID 60S. HIGHS IN THE LOWER 80S. SOUTH WINDS 5 TO
10 MPH.
MAZ020-220800-
SOUTHERN BRISTOL MA-
INCLUDING THE CITIES OF FALL RIVER AND NEW BEDFORD
408 PM EDT TUE JUL 21 2026
TONIGHT WED WED NIGHT THU
CLOUD COVER MCLDY MCLDY PCLDY PCLDY
PRECIP TYPE TSTMS TSTMS TSTMS SHOWERS
CHANCE PRECIP (%) 90 50 40 30
CHANCE OF THUNDER (%) 10 20 10 0
TEMP (24H TREND) 67 (+5) 83 (+5) 61 81
RH % (24H TREND) 100 (0) 74 (+24) 97 46
20FT WND AM(MPH) SW 12 G23 LGT/VAR
20FT WND PM(MPH) S 11 G22 SW 12 G23 SW 7 G21 N 5
PRECIP AMOUNT 0.82 0.06 0.06 0.02
PRECIP DURATION 8 2 1 0
PRECIP BEGIN 6 PM CONTINUING CONTINUING CONTINUING
PRECIP END CONTINUING CONTINUING CONTINUING 12 PM
MIXING HGT (FT-AGL) 440 2530 430 4630
TRANSPORT WND (KTS) SW 17 SW 20 NW 8 NE 6
VENT RATE (KT-FT) 7480 50600 3440 27780
MAX ADI EARLY 19 GEN POOR 1 VERY POOR 21 FAIR 33 FAIR
MAX ADI LATE 19 GEN POOR 6 VERY POOR 8 POOR 34 FAIR
MAX LVORI EARLY 10 7 5 2
MAX LVORI LATE 10 7 5 2
MIN VSBY EARLY 1 FOG 2 FOG 6 FOG 9
MIN VSBY LATE 1 FOG 8 8 9
SUNSHINE HOURS N/A N/A N/A N/A
CWR 90 30 20 10
REMARKS...NONE.
FORECAST FOR DAYS 3 THROUGH 7
THURSDAY NIGHT
MOSTLY CLEAR. LOWS AROUND 60. SOUTH WINDS
AROUND 5 MPH, BECOMING NORTHWEST AFTER MIDNIGHT.
FRIDAY
SUNNY. HIGHS AROUND 80. NORTHEAST WINDS AROUND 5 MPH,
BECOMING SOUTHEAST AROUND 5 MPH IN THE AFTERNOON.
FRIDAY NIGHT AND SATURDAY
PARTLY CLOUDY. LOWS IN THE LOWER
60S. HIGHS IN THE UPPER 70S. EAST WINDS 5 TO 10 MPH.
SATURDAY NIGHT
PARTLY CLOUDY. LOWS IN THE LOWER 60S. NORTHEAST
WINDS AROUND 5 MPH.
SUNDAY AND SUNDAY NIGHT
PARTLY CLOUDY. LOWS IN THE LOWER 60S.
HIGHS IN THE UPPER 70S. SOUTHWEST WINDS 5 TO 10 MPH.
MONDAY
MOSTLY SUNNY WITH A CHANCE OF SHOWERS. HIGHS AROUND 80.
SOUTHWEST WINDS 5 TO 10 MPH.
MONDAY NIGHT
MOSTLY CLOUDY WITH A CHANCE OF SHOWERS. LOWS IN
THE MID 60S. SOUTHWEST WINDS 5 TO 10 MPH.
TUESDAY
PARTLY SUNNY WITH A CHANCE OF SHOWERS. HIGHS AROUND
80. SOUTH WINDS 5 TO 10 MPH.
MAZ021-220800-
SOUTHERN PLYMOUTH MA-
INCLUDING THE CITY OF MATTAPOISETT
408 PM EDT TUE JUL 21 2026
TONIGHT WED WED NIGHT THU
CLOUD COVER MCLDY MCLDY PCLDY PCLDY
PRECIP TYPE TSTMS TSTMS TSTMS SHOWERS
CHANCE PRECIP (%) 90 50 40 30
CHANCE OF THUNDER (%) 10 20 10 0
TEMP (24H TREND) 67 (+5) 83 (+4) 62 81
RH % (24H TREND) 100 (0) 74 (+22) 93 45
20FT WND AM(MPH) SW 12 G25 LGT/VAR
20FT WND PM(MPH) S 10 G23 SW 12 G24 SW 7 G23 LGT/VAR
PRECIP AMOUNT 0.96 0.07 0.07 0.04
PRECIP DURATION 8 2 2 0
PRECIP BEGIN 6 PM CONTINUING CONTINUING CONTINUING
PRECIP END CONTINUING CONTINUING CONTINUING 12 PM
MIXING HGT (FT-AGL) 440 2460 430 4010
TRANSPORT WND (KTS) SW 17 SW 21 NW 8 NE 6
VENT RATE (KT-FT) 7480 51660 3440 24060
MAX ADI EARLY 20 GEN POOR 1 VERY POOR 14 GEN POOR 33 FAIR
MAX ADI LATE 19 GEN POOR 1 VERY POOR 9 POOR 32 FAIR
MAX LVORI EARLY 10 6 6 2
MAX LVORI LATE 10 6 6 2
MIN VSBY EARLY 1 FOG 2 FOG 5 FOG 9
MIN VSBY LATE 1 FOG 7 8 9
SUNSHINE HOURS N/A N/A N/A N/A
CWR 90 30 20 10
REMARKS...NONE.
FORECAST FOR DAYS 3 THROUGH 7
THURSDAY NIGHT
MOSTLY CLEAR. LOWS IN THE LOWER 60S. SOUTHEAST
WINDS AROUND 5 MPH, BECOMING WEST AFTER MIDNIGHT.
FRIDAY
SUNNY. HIGHS AROUND 80. NORTHEAST WINDS AROUND 5 MPH,
BECOMING EAST AROUND 5 MPH IN THE AFTERNOON.
FRIDAY NIGHT AND SATURDAY
PARTLY CLOUDY. LOWS IN THE LOWER
60S. HIGHS IN THE UPPER 70S. EAST WINDS 5 TO 10 MPH.
SATURDAY NIGHT
PARTLY CLOUDY. LOWS IN THE LOWER 60S. NORTHEAST
WINDS AROUND 5 MPH.
SUNDAY AND SUNDAY NIGHT
PARTLY CLOUDY. LOWS IN THE LOWER 60S.
HIGHS IN THE UPPER 70S. SOUTHWEST WINDS AROUND 5 MPH.
MONDAY
MOSTLY SUNNY WITH A CHANCE OF SHOWERS. HIGHS AROUND 80.
SOUTHWEST WINDS 5 TO 10 MPH.
MONDAY NIGHT
MOSTLY CLOUDY WITH A CHANCE OF SHOWERS. LOWS IN
THE MID 60S. SOUTHWEST WINDS 5 TO 10 MPH.
TUESDAY
PARTLY SUNNY WITH A CHANCE OF SHOWERS. HIGHS AROUND
80. SOUTH WINDS 5 TO 10 MPH.
MAZ022-220800-
BARNSTABLE MA-
INCLUDING THE CITIES OF CHATHAM, FALMOUTH, AND PROVINCETOWN
408 PM EDT TUE JUL 21 2026
TONIGHT WED WED NIGHT THU
CLOUD COVER MCLDY MCLDY MCLDY PCLDY
PRECIP TYPE TSTMS TSTMS TSTMS SHOWERS
CHANCE PRECIP (%) 90 60 40 40
CHANCE OF THUNDER (%) 10 20 10 0
TEMP (24H TREND) 68 (+5) 82 (+4) 65 78
RH % (24H TREND) 100 (0) 70 (+20) 97 50
20FT WND AM(MPH) SW 13 G25 LGT/VAR
20FT WND PM(MPH) S 11 G22 SW 12 G23 SW 9 G22 LGT/VAR
PRECIP AMOUNT 1.13 0.17 0.16 0.14
PRECIP DURATION 9 4 2 1
PRECIP BEGIN 6 PM CONTINUING CONTINUING CONTINUING
PRECIP END CONTINUING CONTINUING CONTINUING 2 PM
MIXING HGT (FT-AGL) 490 1890 450 2740
TRANSPORT WND (KTS) SW 21 SW 24 W 9 N 7
VENT RATE (KT-FT) 10290 45360 4050 19180
MAX ADI EARLY 24 FAIR 1 VERY POOR 20 GEN POOR 30 FAIR
MAX ADI LATE 22 FAIR 1 VERY POOR 11 POOR 23 FAIR
MAX LVORI EARLY 10 7 5 2
MAX LVORI LATE 10 7 5 2
MIN VSBY EARLY 2 FOG 2 FOG 4 FOG 9
MIN VSBY LATE 1 FOG 6 FOG 6 FOG 9
SUNSHINE HOURS N/A N/A N/A N/A
CWR 90 50 30 20
REMARKS...NONE.
FORECAST FOR DAYS 3 THROUGH 7
THURSDAY NIGHT
MOSTLY CLEAR. LOWS IN THE MID 60S. SOUTHEAST
WINDS AROUND 5 MPH, BECOMING WEST AFTER MIDNIGHT.
FRIDAY
SUNNY. HIGHS IN THE UPPER 70S. NORTHEAST WINDS AROUND
5 MPH.
FRIDAY NIGHT THROUGH SUNDAY
PARTLY CLOUDY. LOWS IN THE MID
60S. HIGHS IN THE MID 70S. NORTHEAST WINDS 5 TO 10 MPH.
SUNDAY NIGHT AND MONDAY
PARTLY CLOUDY. LOWS IN THE MID 60S.
HIGHS IN THE UPPER 70S. SOUTH WINDS 5 TO 10 MPH.
MONDAY NIGHT AND TUESDAY
MOSTLY CLOUDY. A CHANCE OF SHOWERS.
LOWS IN THE MID 60S. HIGHS IN THE UPPER 70S. SOUTH WINDS 5 TO
10 MPH.
MAZ023-220800-
DUKES MA-
INCLUDING THE CITY OF VINEYARD HAVEN
408 PM EDT TUE JUL 21 2026
TONIGHT WED WED NIGHT THU
CLOUD COVER MCLDY MCLDY MCLDY PCLDY
PRECIP TYPE TSTMS TSTMS TSTMS SHOWERS
CHANCE PRECIP (%) 90 60 50 50
CHANCE OF THUNDER (%) 10 20 20 0
TEMP (24H TREND) 67 (+3) 80 (+4) 64 78
RH % (24H TREND) 100 (0) 74 (+17) 97 50
20FT WND AM(MPH) SW 16 G26 N 6
20FT WND PM(MPH) S 14 G24 SW 15 G24 SW 12 G22 E 5
PRECIP AMOUNT 0.89 0.17 0.19 0.22
PRECIP DURATION 9 4 2 1
PRECIP BEGIN 6 PM CONTINUING CONTINUING CONTINUING
PRECIP END CONTINUING CONTINUING CONTINUING 2 PM
MIXING HGT (FT-AGL) 550 1400 460 2590
TRANSPORT WND (KTS) S 22 SW 25 SW 15 NE 7
VENT RATE (KT-FT) 12100 35000 6900 18130
MAX ADI EARLY 28 FAIR 1 VERY POOR 22 FAIR 23 FAIR
MAX ADI LATE 26 FAIR 32 FAIR 17 GEN POOR 28 FAIR
MAX LVORI EARLY 9 7 5 2
MAX LVORI LATE 9 7 5 2
MIN VSBY EARLY 2 FOG 1 FOG 3 FOG 9
MIN VSBY LATE 2 FOG 7 4 FOG 9
SUNSHINE HOURS N/A N/A N/A N/A
CWR 90 50 40 30
REMARKS...NONE.
FORECAST FOR DAYS 3 THROUGH 7
THURSDAY NIGHT
MOSTLY CLEAR. LOWS IN THE MID 60S. EAST WINDS
5 TO 10 MPH.
FRIDAY
SUNNY. HIGHS IN THE UPPER 70S. EAST WINDS 5 TO 10 MPH.
FRIDAY NIGHT AND SATURDAY
PARTLY CLOUDY. LOWS IN THE MID 60S.
HIGHS IN THE MID 70S. EAST WINDS 5 TO 10 MPH.
SATURDAY NIGHT
PARTLY CLOUDY. LOWS IN THE MID 60S. NORTHEAST
WINDS 5 TO 10 MPH.
SUNDAY THROUGH MONDAY
PARTLY CLOUDY. LOWS IN THE MID 60S.
HIGHS IN THE MID 70S. SOUTHWEST WINDS 10 TO 15 MPH.
MONDAY NIGHT AND TUESDAY
MOSTLY CLOUDY. A CHANCE OF SHOWERS.
LOWS IN THE MID 60S. HIGHS IN THE UPPER 70S. SOUTH WINDS 10 TO
15 MPH.
MAZ024-220800-
NANTUCKET MA-
INCLUDING THE CITY OF NANTUCKET
408 PM EDT TUE JUL 21 2026
TONIGHT WED WED NIGHT THU
CLOUD COVER MCLDY MCLDY MCLDY MCLDY
PRECIP TYPE TSTMS TSTMS TSTMS TSTMS
CHANCE PRECIP (%) 90 70 60 60
CHANCE OF THUNDER (%) 10 50 20 20
TEMP (24H TREND) 68 (+4) 80 (+4) 65 77
RH % (24H TREND) 100 (0) 77 (+14) 93 58
20FT WND AM(MPH) SW 19 G28 N 7
20FT WND PM(MPH) S 14 G23 SW 17 G26 SW 14 G24 NE 7
PRECIP AMOUNT 0.87 0.35 0.48 0.35
PRECIP DURATION 10 5 3 2
PRECIP BEGIN 6 PM CONTINUING CONTINUING CONTINUING
PRECIP END CONTINUING CONTINUING CONTINUING 5 PM
MIXING HGT (FT-AGL) 620 1370 560 2080
TRANSPORT WND (KTS) S 23 SW 28 SW 19 N 11
VENT RATE (KT-FT) 14260 38360 10640 22880
MAX ADI EARLY 29 FAIR 1 VERY POOR 25 FAIR 24 FAIR
MAX ADI LATE 30 FAIR 1 VERY POOR 19 GEN POOR 23 FAIR
MAX LVORI EARLY 9 6 5 3
MAX LVORI LATE 9 6 5 3
MIN VSBY EARLY 1 FOG 1 FOG 2 FOG 6 FOG
MIN VSBY LATE 1 FOG 7 4 FOG 9
SUNSHINE HOURS N/A N/A N/A N/A
CWR 80 60 60 60
REMARKS...NONE.
FORECAST FOR DAYS 3 THROUGH 7
THURSDAY NIGHT
PARTLY CLOUDY. LOWS IN THE MID 60S. NORTHEAST
WINDS 5 TO 10 MPH.
FRIDAY
SUNNY. HIGHS IN THE MID 70S. NORTHEAST WINDS 5 TO
10 MPH.
FRIDAY NIGHT AND SATURDAY
PARTLY CLOUDY. LOWS IN THE MID 60S.
HIGHS IN THE LOWER 70S. NORTHEAST WINDS 5 TO 10 MPH.
SATURDAY NIGHT AND SUNDAY
MOSTLY CLOUDY. LOWS IN THE MID 60S.
HIGHS IN THE LOWER 70S. NORTHEAST WINDS 5 TO 10 MPH.
SUNDAY NIGHT AND MONDAY
PARTLY CLOUDY. LOWS IN THE MID 60S.
HIGHS IN THE MID 70S. SOUTHWEST WINDS 5 TO 10 MPH.
MONDAY NIGHT
MOSTLY CLOUDY WITH A CHANCE OF SHOWERS. LOWS IN
THE MID 60S. SOUTHWEST WINDS 5 TO 10 MPH.
TUESDAY
MOSTLY SUNNY WITH A CHANCE OF SHOWERS. HIGHS IN THE
MID 70S. SOUTH WINDS 5 TO 10 MPH.
OUTLOOK 8 TO 14 DAYS
TEMPERATURES NEAR NORMAL. PRECIPITATION ABOVE NORMAL.
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