546
FNUS51 KBOX 180809
FWFBOX
FIRE WEATHER PLANNING FORECAST FOR SOUTHERN NEW ENGLAND
NATIONAL WEATHER SERVICE BOSTON/NORTON MA
408 AM EDT SAT JUL 18 2026
DISCUSSION
DRY WEATHER EXPECTED TO PERSIST INTO SATURDAY
MORNING. SHOWERS AND THUNDERSTORMS THEN BECOME INCREASINGLY
LIKELY FROM WEST TO EAST SATURDAY AFTERNOON. MOST OF THE RAINFALL
IS EXPECTED SATURDAY NIGHT. NOT AS GUSTY SATURDAY, OUTSIDE OF
ISOLATED STRONGER THUNDERSTORM. DRYING OUT BEFORE SUNDAY MORNING.
LOWEST RELATIVE HUMIDITY VALUES SATURDAY EXPECTED BETWEEN 35-55%,
WITH HIGHER VALUES OF 55-75% ACROSS THE CAPE AND ISLANDS. FOR
SUNDAY, LOWEST RELATIVE HUMIDITY VALUES ANTICIPATED BETWEEN
45-65 PERCENT ACROSS SOUTHERN NEW ENGLAND.
OUTLOOK...SUNDAY NIGHT THROUGH WEDNESDAY
HIGH PRESSURE SHOULD BRIEFLY LEAD TO DRY WEATHER MONDAY. ANOTHER
ROUND OF SHOWERS AND THUNDERSTORMS IS POSSIBLE TOWARDS TUESDAY
AFTERNOON THROUGH WEDNESDAY.
MAZ015-182000-
SUFFOLK MA-
INCLUDING THE CITY OF BOSTON
408 AM EDT SAT JUL 18 2026
TODAY TONIGHT SUN
CLOUD COVER MCLDY CLOUDY MCLEAR
PRECIP TYPE TSTMS TSTMS NONE
CHANCE PRECIP (%) 50 60
CHANCE OF THUNDER (%) 30 50 0
TEMP (24H TREND) 85 (+1) 68 (+4) 79
RH % (24H TREND) 48 (+23) 93 (+9) 36
20FT WND AM(MPH) SW 5 G18 W 10 G18
20FT WND PM(MPH) SW 14 G27 SW 14 G26 NW 9 G17
PRECIP AMOUNT 0.09 0.09 0.00
PRECIP DURATION 1 2
PRECIP BEGIN 12 PM CONTINUING
PRECIP END CONTINUING 2 AM
MIXING HGT (FT-AGL) 4500 450 7660
TRANSPORT WND (KTS) SW 21 SW 21 NW 15
VENT RATE (KT-FT) 94500 9450 114900
MAX ADI EARLY 61 GOOD 31 FAIR 72 GOOD
MAX ADI LATE 69 GOOD 19 GEN POOR 103 VERY GOOD
MAX LVORI EARLY 3 4 1
MAX LVORI LATE 3 4 1
MIN VSBY EARLY 6 SMOKE 6 FOG 9
MIN VSBY LATE 6 SMOKE 10 9
SUNSHINE HOURS N/A N/A N/A
CWR 80 80 0
REMARKS...NONE.
FORECAST FOR DAYS 3 THROUGH 7
SUNDAY NIGHT
CLEAR. LOWS AROUND 60. NORTHWEST WINDS 5 TO
10 MPH.
MONDAY
SUNNY. HIGHS IN THE UPPER 70S. WEST WINDS AROUND 5 MPH,
BECOMING SOUTH IN THE AFTERNOON.
MONDAY NIGHT
PARTLY CLOUDY. LOWS IN THE LOWER 60S. SOUTH WINDS
5 TO 10 MPH.
TUESDAY
PARTLY SUNNY WITH A CHANCE OF SHOWERS AND
THUNDERSTORMS. HIGHS IN THE LOWER 80S. SOUTH WINDS 10 TO 15 MPH.
TUESDAY NIGHT THROUGH WEDNESDAY NIGHT
SHOWERS AND A CHANCE OF
THUNDERSTORMS. LOWS IN THE UPPER 60S. HIGHS IN THE LOWER 80S.
SOUTHWEST WINDS 10 TO 15 MPH.
THURSDAY
MOSTLY SUNNY WITH A CHANCE OF SHOWERS. HIGHS AROUND
80. WEST WINDS 5 TO 10 MPH.
THURSDAY NIGHT AND FRIDAY
PARTLY CLOUDY. LOWS IN THE MID 60S.
HIGHS IN THE LOWER 80S. SOUTH WINDS AROUND 5 MPH.
MAZ016-182000-
EASTERN NORFOLK MA-
INCLUDING THE CITY OF QUINCY
408 AM EDT SAT JUL 18 2026
TODAY TONIGHT SUN
CLOUD COVER MCLDY CLOUDY MCLEAR
PRECIP TYPE TSTMS TSTMS NONE
CHANCE PRECIP (%) 50 70
CHANCE OF THUNDER (%) 30 50 0
TEMP (24H TREND) 85 (+1) 68 (+4) 78
RH % (24H TREND) 48 (+22) 90 (+12) 39
20FT WND AM(MPH) SW 6 G19 W 10 G18
20FT WND PM(MPH) SW 14 G27 SW 14 G26 NW 9 G17
PRECIP AMOUNT 0.09 0.14 0.00
PRECIP DURATION 1 3
PRECIP BEGIN 12 PM CONTINUING
PRECIP END CONTINUING 2 AM
MIXING HGT (FT-AGL) 4510 450 7290
TRANSPORT WND (KTS) SW 21 SW 16 NW 15
VENT RATE (KT-FT) 94710 7200 109350
MAX ADI EARLY 78 GOOD 40 FAIR 69 GOOD
MAX ADI LATE 92 GOOD 19 GEN POOR 105 VERY GOOD
MAX LVORI EARLY 3 4 1
MAX LVORI LATE 3 4 1
MIN VSBY EARLY 6 SMOKE 6 FOG 9
MIN VSBY LATE 6 SMOKE 10 9
SUNSHINE HOURS N/A N/A N/A
CWR 90 90 0
REMARKS...NONE.
FORECAST FOR DAYS 3 THROUGH 7
SUNDAY NIGHT
CLEAR. LOWS AROUND 60. NORTHWEST WINDS 5 TO
10 MPH.
MONDAY
SUNNY. HIGHS IN THE UPPER 70S. NORTHWEST WINDS AROUND
5 MPH, BECOMING SOUTHWEST IN THE AFTERNOON.
MONDAY NIGHT
PARTLY CLOUDY. LOWS IN THE LOWER 60S. SOUTH WINDS
5 TO 10 MPH.
TUESDAY
PARTLY SUNNY WITH A CHANCE OF SHOWERS AND
THUNDERSTORMS. HIGHS IN THE LOWER 80S. SOUTH WINDS 10 TO 15 MPH.
TUESDAY NIGHT THROUGH WEDNESDAY NIGHT
SHOWERS AND A CHANCE OF
THUNDERSTORMS. LOWS IN THE UPPER 60S. HIGHS IN THE LOWER 80S.
SOUTHWEST WINDS 10 TO 15 MPH.
THURSDAY
PARTLY SUNNY WITH A CHANCE OF SHOWERS. HIGHS IN THE
LOWER 80S. WEST WINDS 5 TO 10 MPH.
THURSDAY NIGHT AND FRIDAY
PARTLY CLOUDY. LOWS IN THE MID 60S.
HIGHS IN THE LOWER 80S. SOUTH WINDS AROUND 5 MPH.
MAZ013-182000-
WESTERN NORFOLK MA-
INCLUDING THE CITIES OF FOXBOROUGH AND NORWOOD
408 AM EDT SAT JUL 18 2026
TODAY TONIGHT SUN
CLOUD COVER MCLDY CLOUDY MCLEAR
PRECIP TYPE TSTMS TSTMS NONE
CHANCE PRECIP (%) 60 70
CHANCE OF THUNDER (%) 50 50 0
TEMP (24H TREND) 83 (-1) 67 (+8) 79
RH % (24H TREND) 53 (+27) 100 (+7) 39
20FT WND AM(MPH) LGT/VAR W 8 G18
20FT WND PM(MPH) SW 11 G26 SW 10 G24 NW 7
PRECIP AMOUNT 0.22 0.20 0.00
PRECIP DURATION 2 3
PRECIP BEGIN 12 PM CONTINUING
PRECIP END CONTINUING 2 AM
MIXING HGT (FT-AGL) 4830 450 7320
TRANSPORT WND (KTS) SW 21 SW 18 NW 15
VENT RATE (KT-FT) 101430 8100 109800
MAX ADI EARLY 95 GOOD 55 GEN GOOD 96 GOOD
MAX ADI LATE 101 VERY GOOD17 GEN POOR 105 VERY GOOD
MAX LVORI EARLY 4 4 1
MAX LVORI LATE 4 4 1
MIN VSBY EARLY 6 SMOKE 4 FOG 9
MIN VSBY LATE 3 SMOKE 8 9
SUNSHINE HOURS N/A N/A N/A
CWR 100 100 0
REMARKS...NONE.
FORECAST FOR DAYS 3 THROUGH 7
SUNDAY NIGHT
CLEAR. LOWS IN THE MID 50S. NORTHWEST WINDS
AROUND 5 MPH.
MONDAY
SUNNY. HIGHS IN THE UPPER 70S. WEST WINDS AROUND 5 MPH.
MONDAY NIGHT
PARTLY CLOUDY. LOWS IN THE LOWER 60S. SOUTH WINDS
AROUND 5 MPH.
TUESDAY
PARTLY SUNNY WITH A CHANCE OF SHOWERS AND
THUNDERSTORMS. HIGHS IN THE LOWER 80S. SOUTH WINDS 5 TO 10 MPH.
TUESDAY NIGHT
SHOWERS AND A CHANCE OF THUNDERSTORMS. LOWS IN
THE MID 60S. SOUTH WINDS 5 TO 10 MPH.
WEDNESDAY AND WEDNESDAY NIGHT
SHOWERS AND A CHANCE OF
THUNDERSTORMS. LOWS IN THE MID 60S. HIGHS IN THE LOWER 80S.
SOUTHWEST WINDS 5 TO 10 MPH.
THURSDAY
MOSTLY SUNNY WITH A CHANCE OF SHOWERS. HIGHS IN THE
LOWER 80S. WEST WINDS AROUND 5 MPH.
THURSDAY NIGHT AND FRIDAY
PARTLY CLOUDY. LOWS IN THE LOWER
60S. HIGHS IN THE LOWER 80S. SOUTHWEST WINDS AROUND 5 MPH.
MAZ014-182000-
SOUTHEAST MIDDLESEX MA-
INCLUDING THE CITY OF CAMBRIDGE
408 AM EDT SAT JUL 18 2026
TODAY TONIGHT SUN
CLOUD COVER MCLDY MCLDY MCLEAR
PRECIP TYPE TSTMS TSTMS NONE
CHANCE PRECIP (%) 50 50
CHANCE OF THUNDER (%) 30 40 0
TEMP (24H TREND) 85 (+1) 67 (+6) 79
RH % (24H TREND) 48 (+23) 90 (+7) 37
20FT WND AM(MPH) SW 5 G18 W 9 G17
20FT WND PM(MPH) SW 13 G26 SW 12 G25 NW 9 G17
PRECIP AMOUNT 0.09 0.08 0.00
PRECIP DURATION 1 1
PRECIP BEGIN 12 PM CONTINUING
PRECIP END CONTINUING 1 AM
MIXING HGT (FT-AGL) 5460 480 7730
TRANSPORT WND (KTS) SW 23 SW 18 NW 17
VENT RATE (KT-FT) 125580 8640 131410
MAX ADI EARLY 90 GOOD 53 GEN GOOD 79 GOOD
MAX ADI LATE 105 VERY GOOD17 GEN POOR 105 VERY GOOD
MAX LVORI EARLY 3 4 1
MAX LVORI LATE 3 4 1
MIN VSBY EARLY 6 SMOKE 6 FOG 9
MIN VSBY LATE 6 SMOKE 10 9
SUNSHINE HOURS N/A N/A N/A
CWR 80 80 0
REMARKS...NONE.
FORECAST FOR DAYS 3 THROUGH 7
SUNDAY NIGHT
CLEAR. LOWS IN THE UPPER 50S. NORTHWEST WINDS
AROUND 5 MPH.
MONDAY AND MONDAY NIGHT
MOSTLY CLEAR. LOWS 57 TO 63. HIGHS
AROUND 80. SOUTHWEST WINDS AROUND 5 MPH.
TUESDAY
PARTLY SUNNY WITH A CHANCE OF SHOWERS AND
THUNDERSTORMS. HIGHS IN THE LOWER 80S. SOUTH WINDS 5 TO 10 MPH.
TUESDAY NIGHT
SHOWERS AND A CHANCE OF THUNDERSTORMS. LOWS IN
THE UPPER 60S. SOUTH WINDS 5 TO 10 MPH.
WEDNESDAY AND WEDNESDAY NIGHT
SHOWERS AND A CHANCE OF
THUNDERSTORMS. LOWS IN THE UPPER 60S. HIGHS IN THE MID 80S.
SOUTHWEST WINDS 5 TO 10 MPH.
THURSDAY
MOSTLY SUNNY WITH A CHANCE OF SHOWERS. HIGHS IN THE
LOWER 80S. WEST WINDS AROUND 5 MPH.
THURSDAY NIGHT AND FRIDAY
PARTLY CLOUDY. LOWS IN THE MID 60S.
HIGHS IN THE LOWER 80S. SOUTH WINDS AROUND 5 MPH.
MAZ007-182000-
EASTERN ESSEX MA-
INCLUDING THE CITY OF GLOUCESTER
408 AM EDT SAT JUL 18 2026
TODAY TONIGHT SUN
CLOUD COVER MCLDY MCLDY MCLEAR
PRECIP TYPE TSTMS TSTMS NONE
CHANCE PRECIP (%) 30 40
CHANCE OF THUNDER (%) 30 30 0
TEMP (24H TREND) 86 (+4) 66 (+5) 77
RH % (24H TREND) 48 (+22) 97 (+7) 39
20FT WND AM(MPH) SW 5 G17 W 10 G18
20FT WND PM(MPH) S 13 G28 SW 13 G27 NW 9 G18
PRECIP AMOUNT 0.07 0.07 0.00
PRECIP DURATION 1 1
PRECIP BEGIN 1 PM CONTINUING
PRECIP END CONTINUING 1 AM
MIXING HGT (FT-AGL) 3920 440 7420
TRANSPORT WND (KTS) SW 19 W 15 NW 16
VENT RATE (KT-FT) 74480 6600 118720
MAX ADI EARLY 31 FAIR 30 FAIR 70 GOOD
MAX ADI LATE 45 GEN GOOD 19 GEN POOR 95 GOOD
MAX LVORI EARLY 3 4 1
MAX LVORI LATE 3 4 1
MIN VSBY EARLY 6 SMOKE 6 FOG 9
MIN VSBY LATE 6 SMOKE 10 9
SUNSHINE HOURS N/A N/A N/A
CWR 80 80 0
REMARKS...NONE.
FORECAST FOR DAYS 3 THROUGH 7
SUNDAY NIGHT
CLEAR. LOWS IN THE UPPER 50S. NORTHWEST WINDS
5 TO 10 MPH.
MONDAY
SUNNY. HIGHS IN THE MID 70S. WEST WINDS AROUND 5 MPH,
BECOMING SOUTH IN THE AFTERNOON.
MONDAY NIGHT
PARTLY CLOUDY. LOWS IN THE MID 60S. SOUTH WINDS
5 TO 10 MPH.
TUESDAY
PARTLY SUNNY WITH A CHANCE OF SHOWERS AND
THUNDERSTORMS. HIGHS AROUND 80. SOUTH WINDS 10 TO 15 MPH.
TUESDAY NIGHT THROUGH WEDNESDAY NIGHT
SHOWERS AND A CHANCE OF
THUNDERSTORMS. LOWS IN THE UPPER 60S. HIGHS IN THE LOWER 80S.
SOUTHWEST WINDS 10 TO 15 MPH.
THURSDAY
MOSTLY SUNNY WITH A CHANCE OF SHOWERS. HIGHS AROUND
80. SOUTHWEST WINDS 5 TO 10 MPH.
THURSDAY NIGHT AND FRIDAY
PARTLY CLOUDY. LOWS IN THE MID 60S.
HIGHS AROUND 80. SOUTH WINDS AROUND 5 MPH.
MAZ006-182000-
WESTERN ESSEX MA-
INCLUDING THE CITY OF LAWRENCE
408 AM EDT SAT JUL 18 2026
TODAY TONIGHT SUN
CLOUD COVER MCLDY MCLDY MCLEAR
PRECIP TYPE TSTMS TSTMS NONE
CHANCE PRECIP (%) 30 40
CHANCE OF THUNDER (%) 30 30 0
TEMP (24H TREND) 85 (+1) 66 (+6) 77
RH % (24H TREND) 50 (+24) 93 (+12) 40
20FT WND AM(MPH) LGT/VAR W 9 G19
20FT WND PM(MPH) SW 11 G26 SW 10 G24 NW 8 G19
PRECIP AMOUNT 0.07 0.07 0.00
PRECIP DURATION 1 1
PRECIP BEGIN 1 PM CONTINUING
PRECIP END CONTINUING 1 AM
MIXING HGT (FT-AGL) 5690 430 7720
TRANSPORT WND (KTS) SW 22 SW 17 NW 18
VENT RATE (KT-FT) 125180 7310 138960
MAX ADI EARLY 104 VERY GOOD50 GEN GOOD 82 GOOD
MAX ADI LATE 105 VERY GOOD16 GEN POOR 105 VERY GOOD
MAX LVORI EARLY 3 4 1
MAX LVORI LATE 3 4 1
MIN VSBY EARLY 6 SMOKE 6 FOG 9
MIN VSBY LATE 6 SMOKE 10 9
SUNSHINE HOURS N/A N/A N/A
CWR 80 80 0
REMARKS...NONE.
FORECAST FOR DAYS 3 THROUGH 7
SUNDAY NIGHT
CLEAR. LOWS IN THE MID 50S. NORTHWEST WINDS 5 TO
10 MPH.
MONDAY
SUNNY. HIGHS IN THE UPPER 70S. WEST WINDS AROUND 5 MPH,
BECOMING SOUTHWEST AROUND 5 MPH IN THE AFTERNOON.
MONDAY NIGHT
PARTLY CLOUDY. LOWS IN THE LOWER 60S. SOUTH WINDS
AROUND 5 MPH.
TUESDAY
PARTLY SUNNY WITH A CHANCE OF SHOWERS AND
THUNDERSTORMS. HIGHS IN THE LOWER 80S. SOUTH WINDS 5 TO 10 MPH.
TUESDAY NIGHT THROUGH WEDNESDAY NIGHT
SHOWERS AND A CHANCE OF
THUNDERSTORMS. LOWS IN THE MID 60S. HIGHS IN THE LOWER 80S.
SOUTHWEST WINDS 5 TO 10 MPH.
THURSDAY
MOSTLY SUNNY WITH A CHANCE OF SHOWERS. HIGHS IN THE
LOWER 80S. WEST WINDS AROUND 5 MPH.
THURSDAY NIGHT AND FRIDAY
PARTLY CLOUDY. LOWS IN THE LOWER
60S. HIGHS IN THE LOWER 80S. SOUTH WINDS AROUND 5 MPH.
MAZ005-182000-
CENTRAL MIDDLESEX MA-
INCLUDING THE CITIES OF FRAMINGHAM AND LOWELL
408 AM EDT SAT JUL 18 2026
TODAY TONIGHT SUN
CLOUD COVER MCLDY MCLDY MCLEAR
PRECIP TYPE TSTMS TSTMS NONE
CHANCE PRECIP (%) 50 50
CHANCE OF THUNDER (%) 40 40 0
TEMP (24H TREND) 84 (+1) 66 (+8) 79
RH % (24H TREND) 50 (+25) 97 (+7) 39
20FT WND AM(MPH) LGT/VAR NW 8 G18
20FT WND PM(MPH) SW 11 G26 SW 9 G25 NW 8 G18
PRECIP AMOUNT 0.11 0.10 0.00
PRECIP DURATION 1 1
PRECIP BEGIN 12 PM CONTINUING
PRECIP END CONTINUING 1 AM
MIXING HGT (FT-AGL) 5360 470 7850
TRANSPORT WND (KTS) SW 23 W 13 NW 17
VENT RATE (KT-FT) 123280 6110 133450
MAX ADI EARLY 101 VERY GOOD53 GEN GOOD 102 VERY GOOD
MAX ADI LATE 105 VERY GOOD15 GEN POOR 105 VERY GOOD
MAX LVORI EARLY 3 4 1
MAX LVORI LATE 3 4 1
MIN VSBY EARLY 6 SMOKE 5 FOG 9
MIN VSBY LATE 5 SMOKE 10 9
SUNSHINE HOURS N/A N/A N/A
CWR 90 90 0
REMARKS...NONE.
FORECAST FOR DAYS 3 THROUGH 7
SUNDAY NIGHT
CLEAR. LOWS IN THE MID 50S. NORTHWEST WINDS 5 TO
10 MPH.
MONDAY
SUNNY. HIGHS AROUND 80. WEST WINDS AROUND 5 MPH.
MONDAY NIGHT
MOSTLY CLEAR. LOWS IN THE LOWER 60S. SOUTHWEST
WINDS AROUND 5 MPH.
TUESDAY
PARTLY SUNNY WITH A CHANCE OF SHOWERS AND
THUNDERSTORMS. HIGHS IN THE LOWER 80S. SOUTH WINDS 5 TO 10 MPH.
TUESDAY NIGHT
SHOWERS AND A CHANCE OF THUNDERSTORMS. LOWS IN
THE MID 60S. SOUTH WINDS 5 TO 10 MPH.
WEDNESDAY AND WEDNESDAY NIGHT
SHOWERS AND A CHANCE OF
THUNDERSTORMS. LOWS IN THE MID 60S. HIGHS IN THE LOWER 80S.
SOUTHWEST WINDS 5 TO 10 MPH.
THURSDAY
MOSTLY SUNNY WITH A CHANCE OF SHOWERS. HIGHS IN THE
LOWER 80S. WEST WINDS AROUND 5 MPH.
THURSDAY NIGHT AND FRIDAY
PARTLY CLOUDY. LOWS IN THE LOWER
60S. HIGHS IN THE LOWER 80S. SOUTHWEST WINDS AROUND 5 MPH.
MAZ012-182000-
SOUTHERN WORCESTER MA-
INCLUDING THE CITIES OF MILFORD AND WORCESTER
408 AM EDT SAT JUL 18 2026
TODAY TONIGHT SUN
CLOUD COVER MCLDY MCLDY MCLEAR
PRECIP TYPE TSTMS TSTMS NONE
CHANCE PRECIP (%) 60 80
CHANCE OF THUNDER (%) 50 50 0
TEMP (24H TREND) 81 (-2) 65 (+5) 78
RH % (24H TREND) 58 (+32) 100 (+7) 40
20FT WND AM(MPH) SW 5 G20 NW 9 G20
20FT WND PM(MPH) SW 10 G25 SW 9 G24 NW 8 G19
PRECIP AMOUNT 0.33 0.24 0.00
PRECIP DURATION 2 3
PRECIP BEGIN 11 AM CONTINUING
PRECIP END CONTINUING 2 AM
MIXING HGT (FT-AGL) 4670 440 6910
TRANSPORT WND (KTS) SW 22 W 13 NW 16
VENT RATE (KT-FT) 102740 5720 110560
MAX ADI EARLY 85 GOOD 44 GEN GOOD 85 GOOD
MAX ADI LATE 95 GOOD 15 GEN POOR 105 VERY GOOD
MAX LVORI EARLY 4 5 1
MAX LVORI LATE 4 5 1
MIN VSBY EARLY 6 SMOKE 3 FOG 9
MIN VSBY LATE 2 SMOKE 9 9
SUNSHINE HOURS N/A N/A N/A
CWR 100 100 0
REMARKS...NONE.
FORECAST FOR DAYS 3 THROUGH 7
SUNDAY NIGHT
CLEAR. LOWS IN THE MID 50S. NORTHWEST WINDS 5 TO
10 MPH.
MONDAY
SUNNY. HIGHS IN THE UPPER 70S. WEST WINDS AROUND 5 MPH.
MONDAY NIGHT
PARTLY CLOUDY. LOWS IN THE LOWER 60S. SOUTH WINDS
AROUND 5 MPH.
TUESDAY
PARTLY SUNNY WITH A CHANCE OF SHOWERS AND
THUNDERSTORMS. HIGHS AROUND 80. SOUTH WINDS 5 TO 10 MPH.
TUESDAY NIGHT
SHOWERS AND A CHANCE OF THUNDERSTORMS. LOWS IN
THE MID 60S. SOUTH WINDS 5 TO 10 MPH.
WEDNESDAY AND WEDNESDAY NIGHT
SHOWERS AND A CHANCE OF
THUNDERSTORMS. LOWS IN THE MID 60S. HIGHS IN THE LOWER 80S. WEST
WINDS 5 TO 10 MPH.
THURSDAY
MOSTLY SUNNY WITH A CHANCE OF SHOWERS. HIGHS IN THE
UPPER 70S. WEST WINDS AROUND 5 MPH.
THURSDAY NIGHT AND FRIDAY
PARTLY CLOUDY. LOWS AROUND 60. HIGHS
IN THE LOWER 80S. SOUTHWEST WINDS AROUND 5 MPH.
MAZ004-182000-
NORTHERN WORCESTER MA-
INCLUDING THE CITIES OF BARRE AND FITCHBURG
408 AM EDT SAT JUL 18 2026
TODAY TONIGHT SUN
CLOUD COVER MCLDY MCLDY MCLEAR
PRECIP TYPE TSTMS TSTMS NONE
CHANCE PRECIP (%) 60 70
CHANCE OF THUNDER (%) 50 50 0
TEMP (24H TREND) 81 (-1) 62 (+4) 76
RH % (24H TREND) 55 (+31) 100 (+7) 40
20FT WND AM(MPH) SW 5 G21 NW 9 G20
20FT WND PM(MPH) SW 11 G27 SW 10 G25 NW 9 G20
PRECIP AMOUNT 0.22 0.32 0.00
PRECIP DURATION 2 4
PRECIP BEGIN 10 AM CONTINUING
PRECIP END CONTINUING 1 AM
MIXING HGT (FT-AGL) 4570 450 7010
TRANSPORT WND (KTS) SW 22 W 13 NW 16
VENT RATE (KT-FT) 100540 5850 112160
MAX ADI EARLY 81 GOOD 38 FAIR 74 GOOD
MAX ADI LATE 89 GOOD 14 GEN POOR 104 VERY GOOD
MAX LVORI EARLY 4 5 1
MAX LVORI LATE 4 5 1
MIN VSBY EARLY 6 SMOKE 2 FOG 9
MIN VSBY LATE 3 SMOKE 6 FOG 9
SUNSHINE HOURS N/A N/A N/A
CWR 100 100 0
REMARKS...NONE.
FORECAST FOR DAYS 3 THROUGH 7
SUNDAY NIGHT
CLEAR. LOWS IN THE LOWER 50S. NORTHWEST WINDS
5 TO 10 MPH.
MONDAY
SUNNY. HIGHS IN THE MID 70S. WEST WINDS AROUND 5 MPH.
MONDAY NIGHT
PARTLY CLOUDY. LOWS AROUND 60. SOUTHWEST WINDS
AROUND 5 MPH.
TUESDAY
PARTLY SUNNY WITH A CHANCE OF SHOWERS AND
THUNDERSTORMS. HIGHS IN THE UPPER 70S. SOUTH WINDS 5 TO 10 MPH.
TUESDAY NIGHT
SHOWERS AND A CHANCE OF THUNDERSTORMS. LOWS IN
THE LOWER 60S. SOUTH WINDS 5 TO 10 MPH.
WEDNESDAY AND WEDNESDAY NIGHT
SHOWERS AND A CHANCE OF
THUNDERSTORMS. LOWS IN THE LOWER 60S. HIGHS IN THE UPPER 70S.
SOUTHWEST WINDS 5 TO 10 MPH.
THURSDAY AND THURSDAY NIGHT
PARTLY CLOUDY. LOWS IN THE UPPER
50S. HIGHS IN THE UPPER 70S. WEST WINDS AROUND 5 MPH.
FRIDAY
SUNNY. HIGHS AROUND 80. WEST WINDS AROUND 5 MPH.
MAZ026-182000-
NORTHERN MIDDLESEX MA-
INCLUDING THE CITY OF AYER
408 AM EDT SAT JUL 18 2026
TODAY TONIGHT SUN
CLOUD COVER MCLDY MCLDY MCLEAR
PRECIP TYPE TSTMS TSTMS NONE
CHANCE PRECIP (%) 50 60
CHANCE OF THUNDER (%) 30 50 0
TEMP (24H TREND) 83 (-1) 63 (+5) 78
RH % (24H TREND) 57 (+32) 97 (+14) 40
20FT WND AM(MPH) LGT/VAR NW 8 G19
20FT WND PM(MPH) SW 9 G26 SW 6 G24 NW 8 G19
PRECIP AMOUNT 0.09 0.10 0.00
PRECIP DURATION 1 2
PRECIP BEGIN 12 PM CONTINUING
PRECIP END CONTINUING 1 AM
MIXING HGT (FT-AGL) 5200 460 7510
TRANSPORT WND (KTS) SW 23 SW 17 NW 18
VENT RATE (KT-FT) 119600 7820 135180
MAX ADI EARLY 105 VERY GOOD62 GOOD 99 GOOD
MAX ADI LATE 105 VERY GOOD14 GEN POOR 105 VERY GOOD
MAX LVORI EARLY 3 4 1
MAX LVORI LATE 3 4 1
MIN VSBY EARLY 6 SMOKE 6 FOG 9
MIN VSBY LATE 6 SMOKE 10 9
SUNSHINE HOURS N/A N/A N/A
CWR 90 90 0
REMARKS...NONE.
FORECAST FOR DAYS 3 THROUGH 7
SUNDAY NIGHT
CLEAR. LOWS IN THE MID 50S. NORTHWEST WINDS
AROUND 5 MPH.
MONDAY
SUNNY. HIGHS IN THE UPPER 70S. WEST WINDS AROUND 5 MPH.
MONDAY NIGHT
PARTLY CLOUDY. LOWS IN THE LOWER 60S. SOUTHWEST
WINDS AROUND 5 MPH.
TUESDAY
PARTLY SUNNY WITH A CHANCE OF SHOWERS AND
THUNDERSTORMS. HIGHS IN THE LOWER 80S. SOUTH WINDS 5 TO 10 MPH.
TUESDAY NIGHT
SHOWERS AND A CHANCE OF THUNDERSTORMS. LOWS IN
THE LOWER 60S. SOUTH WINDS AROUND 5 MPH.
WEDNESDAY AND WEDNESDAY NIGHT
SHOWERS AND A CHANCE OF
THUNDERSTORMS. LOWS IN THE LOWER 60S. HIGHS IN THE LOWER 80S.
SOUTHWEST WINDS 5 TO 10 MPH.
THURSDAY
MOSTLY SUNNY. HIGHS AROUND 80. WEST WINDS AROUND
5 MPH.
THURSDAY NIGHT AND FRIDAY
MOSTLY CLEAR. LOWS AROUND 60. HIGHS
IN THE LOWER 80S. SOUTHWEST WINDS AROUND 5 MPH.
MAZ002-182000-
WESTERN FRANKLIN MA-
INCLUDING THE CITY OF CHARLEMONT
408 AM EDT SAT JUL 18 2026
TODAY TONIGHT SUN
CLOUD COVER MCLDY MCLDY MCLEAR
PRECIP TYPE TSTMS TSTMS NONE
CHANCE PRECIP (%) 50 80
CHANCE OF THUNDER (%) 30 50 0
TEMP (24H TREND) 79 (-1) 58 (+2) 75
RH % (24H TREND) 58 (+32) 100 (+10) 40
20FT WND AM(MPH) LGT/VAR NW 8 G22
20FT WND PM(MPH) S 10 G23 SW 8 G22 NW 7 G18
PRECIP AMOUNT 0.35 0.49 0.00
PRECIP DURATION 2 4
PRECIP BEGIN 9 AM CONTINUING
PRECIP END CONTINUING 1 AM
MIXING HGT (FT-AGL) 4070 470 6820
TRANSPORT WND (KTS) SW 21 W 13 NW 18
VENT RATE (KT-FT) 85470 6110 122760
MAX ADI EARLY 101 VERY GOOD29 FAIR 98 GOOD
MAX ADI LATE 89 GOOD 20 GEN POOR 105 VERY GOOD
MAX LVORI EARLY 4 5 1
MAX LVORI LATE 4 5 1
MIN VSBY EARLY 6 SMOKE 2 FOG 9
MIN VSBY LATE 3 SMOKE 6 FOG 9
SUNSHINE HOURS N/A N/A N/A
CWR 100 100 0
REMARKS...NONE.
FORECAST FOR DAYS 3 THROUGH 7
SUNDAY NIGHT
MOSTLY CLEAR. LOWS IN THE LOWER 50S. NORTHWEST
WINDS 5 TO 10 MPH.
MONDAY
SUNNY. HIGHS IN THE MID 70S. WEST WINDS AROUND 5 MPH.
MONDAY NIGHT
PARTLY CLOUDY. LOWS IN THE UPPER 50S. SOUTH WINDS
AROUND 5 MPH.
TUESDAY
MOSTLY CLOUDY WITH A CHANCE OF SHOWERS AND
THUNDERSTORMS. HIGHS IN THE MID 70S. SOUTH WINDS 5 TO 10 MPH.
TUESDAY NIGHT
SHOWERS AND A CHANCE OF THUNDERSTORMS. LOWS
AROUND 60. SOUTH WINDS 5 TO 10 MPH.
WEDNESDAY AND WEDNESDAY NIGHT
MOSTLY CLOUDY WITH SHOWERS
LIKELY AND A CHANCE OF THUNDERSTORMS. LOWS IN THE UPPER 50S.
HIGHS IN THE MID 70S. WEST WINDS AROUND 5 MPH.
THURSDAY
MOSTLY SUNNY. HIGHS IN THE MID 70S. WEST WINDS AROUND
5 MPH.
THURSDAY NIGHT AND FRIDAY
MOSTLY CLEAR. LOWS IN THE MID 50S.
HIGHS IN THE UPPER 70S. WEST WINDS AROUND 5 MPH.
MAZ003-182000-
EASTERN FRANKLIN MA-
INCLUDING THE CITIES OF GREENFIELD AND ORANGE
408 AM EDT SAT JUL 18 2026
TODAY TONIGHT SUN
CLOUD COVER MCLDY MCLDY MCLEAR
PRECIP TYPE TSTMS TSTMS NONE
CHANCE PRECIP (%) 50 80
CHANCE OF THUNDER (%) 40 50 0
TEMP (24H TREND) 81 (-1) 62 (+7) 76
RH % (24H TREND) 62 (+37) 100 (0) 40
20FT WND AM(MPH) LGT/VAR NW 8 G20
20FT WND PM(MPH) S 11 G26 S 9 G23 NW 9 G19
PRECIP AMOUNT 0.34 0.61 0.00
PRECIP DURATION 1 4
PRECIP BEGIN 10 AM CONTINUING
PRECIP END CONTINUING 1 AM
MIXING HGT (FT-AGL) 4230 450 7020
TRANSPORT WND (KTS) SW 20 W 9 NW 17
VENT RATE (KT-FT) 84600 4050 119340
MAX ADI EARLY 79 GOOD 30 FAIR 76 GOOD
MAX ADI LATE 86 GOOD 13 GEN POOR 105 VERY GOOD
MAX LVORI EARLY 4 5 1
MAX LVORI LATE 4 5 1
MIN VSBY EARLY 6 SMOKE 2 FOG 9
MIN VSBY LATE 3 SMOKE 6 FOG 9
SUNSHINE HOURS N/A N/A N/A
CWR 100 100 0
REMARKS...NONE.
FORECAST FOR DAYS 3 THROUGH 7
SUNDAY NIGHT
CLEAR. LOWS IN THE LOWER 50S. NORTHWEST WINDS
5 TO 10 MPH.
MONDAY
SUNNY. HIGHS IN THE MID 70S. WEST WINDS AROUND 5 MPH.
MONDAY NIGHT
PARTLY CLOUDY. LOWS IN THE UPPER 50S. SOUTH WINDS
AROUND 5 MPH.
TUESDAY
MOSTLY CLOUDY WITH A CHANCE OF SHOWERS AND
THUNDERSTORMS. HIGHS AROUND 80. SOUTH WINDS 5 TO 10 MPH.
TUESDAY NIGHT
SHOWERS AND A CHANCE OF THUNDERSTORMS. LOWS IN
THE LOWER 60S. SOUTH WINDS 5 TO 10 MPH.
WEDNESDAY AND WEDNESDAY NIGHT
MOSTLY CLOUDY WITH SHOWERS
LIKELY AND A CHANCE OF THUNDERSTORMS. LOWS IN THE LOWER 60S.
HIGHS AROUND 80. SOUTHWEST WINDS 5 TO 10 MPH.
THURSDAY
MOSTLY SUNNY. HIGHS IN THE UPPER 70S. WEST WINDS
AROUND 5 MPH.
THURSDAY NIGHT AND FRIDAY
MOSTLY CLEAR. LOWS IN THE UPPER 50S.
HIGHS IN THE LOWER 80S. SOUTHWEST WINDS AROUND 5 MPH.
MAZ008-182000-
WESTERN HAMPSHIRE MA-
INCLUDING THE CITY OF CHESTERFIELD
408 AM EDT SAT JUL 18 2026
TODAY TONIGHT SUN
CLOUD COVER MCLDY MCLDY MCLEAR
PRECIP TYPE TSTMS TSTMS NONE
CHANCE PRECIP (%) 60 80
CHANCE OF THUNDER (%) 50 50 0
TEMP (24H TREND) 78 (-3) 59 (+2) 74
RH % (24H TREND) 62 (+36) 100 (+13) 41
20FT WND AM(MPH) LGT/VAR NW 10 G22
20FT WND PM(MPH) SW 10 G24 SW 9 G23 NW 9 G20
PRECIP AMOUNT 0.36 0.70 0.00
PRECIP DURATION 2 4
PRECIP BEGIN 9 AM CONTINUING
PRECIP END CONTINUING 1 AM
MIXING HGT (FT-AGL) 4060 470 6540
TRANSPORT WND (KTS) SW 21 W 13 NW 18
VENT RATE (KT-FT) 85260 6110 117720
MAX ADI EARLY 100 GOOD 27 FAIR 77 GOOD
MAX ADI LATE 87 GOOD 20 GEN POOR 105 VERY GOOD
MAX LVORI EARLY 4 5 1
MAX LVORI LATE 4 5 1
MIN VSBY EARLY 6 SMOKE 2 FOG 9
MIN VSBY LATE 3 SMOKE 6 FOG 9
SUNSHINE HOURS N/A N/A N/A
CWR 100 100 0
REMARKS...NONE.
FORECAST FOR DAYS 3 THROUGH 7
SUNDAY NIGHT
MOSTLY CLEAR. LOWS IN THE LOWER 50S. NORTHWEST
WINDS 5 TO 10 MPH.
MONDAY
SUNNY. HIGHS IN THE MID 70S. WEST WINDS AROUND 5 MPH.
MONDAY NIGHT
PARTLY CLOUDY. LOWS AROUND 60. SOUTH WINDS AROUND
5 MPH.
TUESDAY
MOSTLY CLOUDY WITH SHOWERS LIKELY AND A CHANCE OF
THUNDERSTORMS. HIGHS IN THE MID 70S. SOUTH WINDS 5 TO 10 MPH.
TUESDAY NIGHT
SHOWERS AND A CHANCE OF THUNDERSTORMS. LOWS IN
THE LOWER 60S. SOUTH WINDS 5 TO 10 MPH.
WEDNESDAY AND WEDNESDAY NIGHT
MOSTLY CLOUDY WITH SHOWERS
LIKELY AND A CHANCE OF THUNDERSTORMS. LOWS IN THE UPPER 50S.
HIGHS IN THE UPPER 70S. WEST WINDS 5 TO 10 MPH.
THURSDAY
MOSTLY SUNNY. HIGHS IN THE MID 70S. WEST WINDS AROUND
5 MPH.
THURSDAY NIGHT AND FRIDAY
MOSTLY CLEAR. LOWS IN THE MID 50S.
HIGHS IN THE UPPER 70S. WEST WINDS AROUND 5 MPH.
MAZ010-182000-
EASTERN HAMPSHIRE MA-
INCLUDING THE CITIES OF AMHERST AND NORTHAMPTON
408 AM EDT SAT JUL 18 2026
TODAY TONIGHT SUN
CLOUD COVER MCLDY MCLDY MCLEAR
PRECIP TYPE TSTMS TSTMS NONE
CHANCE PRECIP (%) 60 80
CHANCE OF THUNDER (%) 50 50 0
TEMP (24H TREND) 80 (-3) 63 (+6) 76
RH % (24H TREND) 63 (+39) 100 (0) 43
20FT WND AM(MPH) LGT/VAR NW 9 G20
20FT WND PM(MPH) SW 11 G26 SW 9 G24 NW 10 G19
PRECIP AMOUNT 0.33 0.69 0.00
PRECIP DURATION 2 4
PRECIP BEGIN 9 AM CONTINUING
PRECIP END CONTINUING 1 AM
MIXING HGT (FT-AGL) 4070 440 6720
TRANSPORT WND (KTS) SW 20 W 9 NW 16
VENT RATE (KT-FT) 81400 3960 107520
MAX ADI EARLY 85 GOOD 32 FAIR 70 GOOD
MAX ADI LATE 85 GOOD 11 POOR 91 GOOD
MAX LVORI EARLY 4 5 1
MAX LVORI LATE 4 5 1
MIN VSBY EARLY 6 SMOKE 2 FOG 9
MIN VSBY LATE 3 SMOKE 6 FOG 9
SUNSHINE HOURS N/A N/A N/A
CWR 100 100 0
REMARKS...NONE.
FORECAST FOR DAYS 3 THROUGH 7
SUNDAY NIGHT
CLEAR. LOWS IN THE LOWER 50S. NORTHWEST WINDS
5 TO 10 MPH.
MONDAY
SUNNY. HIGHS IN THE UPPER 70S. WEST WINDS AROUND 5 MPH.
MONDAY NIGHT
PARTLY CLOUDY. LOWS AROUND 60. SOUTH WINDS AROUND
5 MPH.
TUESDAY
MOSTLY CLOUDY WITH A CHANCE OF SHOWERS AND
THUNDERSTORMS. HIGHS AROUND 80. SOUTH WINDS 5 TO 10 MPH.
TUESDAY NIGHT
SHOWERS AND A CHANCE OF THUNDERSTORMS. LOWS IN
THE LOWER 60S. SOUTH WINDS 5 TO 10 MPH.
WEDNESDAY AND WEDNESDAY NIGHT
MOSTLY CLOUDY WITH SHOWERS
LIKELY AND A CHANCE OF THUNDERSTORMS. LOWS IN THE LOWER 60S.
HIGHS IN THE LOWER 80S. SOUTHWEST WINDS 5 TO 10 MPH.
THURSDAY AND THURSDAY NIGHT
PARTLY CLOUDY. LOWS IN THE UPPER
50S. HIGHS IN THE UPPER 70S. WEST WINDS AROUND 5 MPH.
FRIDAY
SUNNY. HIGHS IN THE LOWER 80S. WEST WINDS AROUND 5 MPH.
MAZ009-182000-
WESTERN HAMPDEN MA-
INCLUDING THE CITY OF BLANDFORD
408 AM EDT SAT JUL 18 2026
TODAY TONIGHT SUN
CLOUD COVER MCLDY MCLDY MCLEAR
PRECIP TYPE TSTMS TSTMS NONE
CHANCE PRECIP (%) 60 80
CHANCE OF THUNDER (%) 50 50 0
TEMP (24H TREND) 79 (-3) 60 (+1) 73
RH % (24H TREND) 60 (+35) 100 (+14) 43
20FT WND AM(MPH) LGT/VAR NW 10 G22
20FT WND PM(MPH) SW 11 G24 SW 10 G23 NW 9 G20
PRECIP AMOUNT 0.29 0.66 0.00
PRECIP DURATION 2 4
PRECIP BEGIN 9 AM CONTINUING
PRECIP END CONTINUING 1 AM
MIXING HGT (FT-AGL) 3710 480 6210
TRANSPORT WND (KTS) SW 20 W 12 NW 18
VENT RATE (KT-FT) 74200 5760 111780
MAX ADI EARLY 84 GOOD 30 FAIR 79 GOOD
MAX ADI LATE 78 GOOD 16 GEN POOR 105 VERY GOOD
MAX LVORI EARLY 4 5 1
MAX LVORI LATE 4 5 1
MIN VSBY EARLY 6 SMOKE 2 FOG 9
MIN VSBY LATE 3 SMOKE 6 FOG 9
SUNSHINE HOURS N/A N/A N/A
CWR 100 100 0
REMARKS...NONE.
FORECAST FOR DAYS 3 THROUGH 7
SUNDAY NIGHT
MOSTLY CLEAR. LOWS IN THE LOWER 50S. NORTHWEST
WINDS 5 TO 10 MPH.
MONDAY
SUNNY. HIGHS IN THE MID 70S. WEST WINDS AROUND 5 MPH.
MONDAY NIGHT
PARTLY CLOUDY. LOWS IN THE LOWER 60S. SOUTH WINDS
AROUND 5 MPH.
TUESDAY
MOSTLY CLOUDY WITH SHOWERS LIKELY AND A CHANCE OF
THUNDERSTORMS. HIGHS IN THE UPPER 70S. SOUTH WINDS 5 TO 10 MPH.
TUESDAY NIGHT
SHOWERS AND A CHANCE OF THUNDERSTORMS. LOWS IN
THE LOWER 60S. SOUTH WINDS 5 TO 10 MPH.
WEDNESDAY AND WEDNESDAY NIGHT
MOSTLY CLOUDY WITH SHOWERS
LIKELY AND A CHANCE OF THUNDERSTORMS. LOWS AROUND 60. HIGHS IN
THE UPPER 70S. WEST WINDS 5 TO 10 MPH.
THURSDAY
MOSTLY SUNNY. HIGHS IN THE UPPER 70S. WEST WINDS
AROUND 5 MPH.
THURSDAY NIGHT AND FRIDAY
MOSTLY CLEAR. LOWS IN THE UPPER 50S.
HIGHS IN THE UPPER 70S. WEST WINDS AROUND 5 MPH.
MAZ011-182000-
EASTERN HAMPDEN MA-
INCLUDING THE CITY OF SPRINGFIELD
408 AM EDT SAT JUL 18 2026
TODAY TONIGHT SUN
CLOUD COVER MCLDY MCLDY MCLEAR
PRECIP TYPE TSTMS TSTMS NONE
CHANCE PRECIP (%) 60 90
CHANCE OF THUNDER (%) 50 50 0
TEMP (24H TREND) 81 (-4) 64 (+5) 77
RH % (24H TREND) 63 (+40) 100 (0) 40
20FT WND AM(MPH) LGT/VAR NW 9 G21
20FT WND PM(MPH) SW 11 G27 SW 10 G25 NW 10 G20
PRECIP AMOUNT 0.32 0.63 0.00
PRECIP DURATION 2 4
PRECIP BEGIN 9 AM CONTINUING
PRECIP END CONTINUING 1 AM
MIXING HGT (FT-AGL) 3940 450 6690
TRANSPORT WND (KTS) SW 20 W 10 NW 16
VENT RATE (KT-FT) 78800 4500 107040
MAX ADI EARLY 81 GOOD 35 FAIR 70 GOOD
MAX ADI LATE 84 GOOD 12 POOR 88 GOOD
MAX LVORI EARLY 4 5 1
MAX LVORI LATE 4 5 1
MIN VSBY EARLY 6 SMOKE 2 FOG 9
MIN VSBY LATE 2 SMOKE 6 FOG 9
SUNSHINE HOURS N/A N/A N/A
CWR 100 100 0
REMARKS...NONE.
FORECAST FOR DAYS 3 THROUGH 7
SUNDAY NIGHT
CLEAR. LOWS IN THE LOWER 50S. NORTHWEST WINDS
5 TO 10 MPH.
MONDAY
SUNNY. HIGHS IN THE UPPER 70S. WEST WINDS AROUND 5 MPH.
MONDAY NIGHT
PARTLY CLOUDY. LOWS IN THE LOWER 60S. SOUTH WINDS
AROUND 5 MPH.
TUESDAY
MOSTLY CLOUDY WITH A CHANCE OF SHOWERS AND
THUNDERSTORMS. HIGHS AROUND 80. SOUTH WINDS 5 TO 10 MPH.
TUESDAY NIGHT
SHOWERS AND A CHANCE OF THUNDERSTORMS. LOWS IN
THE MID 60S. SOUTH WINDS 5 TO 10 MPH.
WEDNESDAY AND WEDNESDAY NIGHT
SHOWERS AND A CHANCE OF
THUNDERSTORMS. LOWS IN THE LOWER 60S. HIGHS IN THE LOWER 80S.
SOUTHWEST WINDS 5 TO 10 MPH.
THURSDAY AND THURSDAY NIGHT
PARTLY CLOUDY. LOWS AROUND 60.
HIGHS IN THE UPPER 70S. WEST WINDS AROUND 5 MPH.
FRIDAY
SUNNY. HIGHS IN THE LOWER 80S. WEST WINDS AROUND 5 MPH.
CTZ002-182000-
HARTFORD CT-
INCLUDING THE CITIES OF HARTFORD AND WINDSOR LOCKS
408 AM EDT SAT JUL 18 2026
TODAY TONIGHT SUN
CLOUD COVER MCLDY MCLDY MCLEAR
PRECIP TYPE TSTMS TSTMS NONE
CHANCE PRECIP (%) 80 90
CHANCE OF THUNDER (%) 50 50 0
TEMP (24H TREND) 82 (-3) 64 (+2) 79
RH % (24H TREND) 63 (+40) 100 (+7) 39
20FT WND AM(MPH) LGT/VAR NW 8 G20
20FT WND PM(MPH) S 10 G26 S 8 G23 NW 9 G19
PRECIP AMOUNT 0.57 0.65 0.00
PRECIP DURATION 4 3
PRECIP BEGIN 9 AM CONTINUING
PRECIP END CONTINUING 2 AM
MIXING HGT (FT-AGL) 3480 480 6580
TRANSPORT WND (KTS) SW 18 NW 9 NW 16
VENT RATE (KT-FT) 62640 4320 105280
MAX ADI EARLY 82 GOOD 38 FAIR 68 GOOD
MAX ADI LATE 71 GOOD 11 POOR 92 GOOD
MAX LVORI EARLY 4 5 1
MAX LVORI LATE 4 5 1
MIN VSBY EARLY 6 SMOKE 2 FOG 9
MIN VSBY LATE 2 SMOKE 6 FOG 9
SUNSHINE HOURS N/A N/A N/A
CWR 100 100 0
REMARKS...NONE.
FORECAST FOR DAYS 3 THROUGH 7
SUNDAY NIGHT
CLEAR. LOWS IN THE MID 50S. NORTHWEST WINDS 5 TO
10 MPH.
MONDAY
SUNNY. HIGHS IN THE UPPER 70S. NORTHWEST WINDS AROUND
5 MPH, BECOMING SOUTHWEST IN THE AFTERNOON.
MONDAY NIGHT
PARTLY CLOUDY. LOWS IN THE LOWER 60S. SOUTH WINDS
AROUND 5 MPH.
TUESDAY
MOSTLY CLOUDY WITH A CHANCE OF SHOWERS AND
THUNDERSTORMS. HIGHS IN THE UPPER 70S. SOUTH WINDS 10 TO 15 MPH.
TUESDAY NIGHT
SHOWERS AND A CHANCE OF THUNDERSTORMS. LOWS IN
THE MID 60S. SOUTH WINDS 5 TO 10 MPH.
WEDNESDAY AND WEDNESDAY NIGHT
SHOWERS AND A CHANCE OF
THUNDERSTORMS. LOWS IN THE LOWER 60S. HIGHS IN THE LOWER 80S.
WEST WINDS 5 TO 10 MPH.
THURSDAY AND THURSDAY NIGHT
PARTLY CLOUDY. LOWS IN THE LOWER
60S. HIGHS IN THE UPPER 70S. WEST WINDS AROUND 5 MPH.
FRIDAY
SUNNY. HIGHS IN THE LOWER 80S. WEST WINDS AROUND 5 MPH.
CTZ003-182000-
TOLLAND CT-
INCLUDING THE CITIES OF UNION AND VERNON
408 AM EDT SAT JUL 18 2026
TODAY TONIGHT SUN
CLOUD COVER MCLDY MCLDY MCLEAR
PRECIP TYPE TSTMS TSTMS NONE
CHANCE PRECIP (%) 80 90
CHANCE OF THUNDER (%) 50 50 0
TEMP (24H TREND) 80 (-4) 64 (+3) 79
RH % (24H TREND) 65 (+41) 100 (+3) 40
20FT WND AM(MPH) LGT/VAR NW 8 G21
20FT WND PM(MPH) SW 11 G26 SW 9 G24 NW 9 G19
PRECIP AMOUNT 0.57 0.57 0.00
PRECIP DURATION 5 3
PRECIP BEGIN 9 AM CONTINUING
PRECIP END CONTINUING 2 AM
MIXING HGT (FT-AGL) 3910 460 6670
TRANSPORT WND (KTS) SW 19 W 10 NW 16
VENT RATE (KT-FT) 74290 4600 106720
MAX ADI EARLY 82 GOOD 35 FAIR 69 GOOD
MAX ADI LATE 82 GOOD 12 POOR 86 GOOD
MAX LVORI EARLY 4 5 1
MAX LVORI LATE 4 5 1
MIN VSBY EARLY 6 SMOKE 2 FOG 9
MIN VSBY LATE 2 SMOKE 6 FOG 9
SUNSHINE HOURS N/A N/A N/A
CWR 100 100 0
REMARKS...NONE.
FORECAST FOR DAYS 3 THROUGH 7
SUNDAY NIGHT
CLEAR. LOWS IN THE MID 50S. NORTHWEST WINDS 5 TO
10 MPH.
MONDAY
SUNNY. HIGHS IN THE UPPER 70S. NORTHWEST WINDS AROUND
5 MPH, BECOMING SOUTHWEST IN THE AFTERNOON.
MONDAY NIGHT
PARTLY CLOUDY. LOWS IN THE LOWER 60S. SOUTH WINDS
AROUND 5 MPH.
TUESDAY
MOSTLY CLOUDY WITH A CHANCE OF SHOWERS AND
THUNDERSTORMS. HIGHS IN THE UPPER 70S. SOUTH WINDS 10 TO 15 MPH.
TUESDAY NIGHT
SHOWERS AND A CHANCE OF THUNDERSTORMS. LOWS IN
THE MID 60S. SOUTH WINDS 5 TO 10 MPH.
WEDNESDAY AND WEDNESDAY NIGHT
SHOWERS AND A CHANCE OF
THUNDERSTORMS. LOWS IN THE LOWER 60S. HIGHS AROUND 80. SOUTHWEST
WINDS 5 TO 10 MPH.
THURSDAY AND THURSDAY NIGHT
PARTLY CLOUDY. LOWS AROUND 60.
HIGHS IN THE UPPER 70S. WEST WINDS AROUND 5 MPH.
FRIDAY
SUNNY. HIGHS IN THE LOWER 80S. WEST WINDS AROUND 5 MPH.
CTZ004-182000-
WINDHAM CT-
INCLUDING THE CITIES OF PUTNAM AND WILLIMANTIC
408 AM EDT SAT JUL 18 2026
TODAY TONIGHT SUN
CLOUD COVER MCLDY MCLDY MCLEAR
PRECIP TYPE TSTMS TSTMS NONE
CHANCE PRECIP (%) 80 90
CHANCE OF THUNDER (%) 50 50 0
TEMP (24H TREND) 81 (-3) 66 (+6) 77
RH % (24H TREND) 62 (+36) 100 (0) 42
20FT WND AM(MPH) LGT/VAR NW 8 G19
20FT WND PM(MPH) SW 9 G26 SW 8 G24 NW 8 G18
PRECIP AMOUNT 0.65 0.46 0.00
PRECIP DURATION 5 5
PRECIP BEGIN 10 AM CONTINUING
PRECIP END CONTINUING 2 AM
MIXING HGT (FT-AGL) 4070 460 6670
TRANSPORT WND (KTS) SW 20 W 11 NW 16
VENT RATE (KT-FT) 81400 5060 106720
MAX ADI EARLY 98 GOOD 45 GEN GOOD 67 GOOD
MAX ADI LATE 92 GOOD 13 GEN POOR 104 VERY GOOD
MAX LVORI EARLY 4 5 1
MAX LVORI LATE 4 5 1
MIN VSBY EARLY 6 SMOKE 2 FOG 9
MIN VSBY LATE 2 SMOKE 6 FOG 9
SUNSHINE HOURS N/A N/A N/A
CWR 100 100 0
REMARKS...NONE.
FORECAST FOR DAYS 3 THROUGH 7
SUNDAY NIGHT
CLEAR. LOWS IN THE MID 50S. NORTHWEST WINDS 5 TO
10 MPH.
MONDAY
SUNNY. HIGHS IN THE UPPER 70S. NORTHWEST WINDS AROUND
5 MPH, BECOMING SOUTHWEST IN THE AFTERNOON.
MONDAY NIGHT
PARTLY CLOUDY. LOWS IN THE LOWER 60S. SOUTH WINDS
AROUND 5 MPH.
TUESDAY
MOSTLY CLOUDY WITH A CHANCE OF SHOWERS AND
THUNDERSTORMS. HIGHS IN THE UPPER 70S. SOUTH WINDS 5 TO 10 MPH.
TUESDAY NIGHT
SHOWERS AND A CHANCE OF THUNDERSTORMS. LOWS IN
THE MID 60S. SOUTH WINDS 5 TO 10 MPH.
WEDNESDAY AND WEDNESDAY NIGHT
SHOWERS AND A CHANCE OF
THUNDERSTORMS. LOWS IN THE MID 60S. HIGHS AROUND 80. WEST WINDS
5 TO 10 MPH.
THURSDAY
MOSTLY SUNNY WITH A CHANCE OF SHOWERS. HIGHS IN THE
UPPER 70S. WEST WINDS AROUND 5 MPH.
THURSDAY NIGHT AND FRIDAY
PARTLY CLOUDY. LOWS AROUND 60. HIGHS
IN THE LOWER 80S. SOUTHWEST WINDS AROUND 5 MPH.
RIZ001-182000-
NORTHWEST PROVIDENCE RI-
INCLUDING THE CITIES OF FOSTER AND SMITHFIELD
408 AM EDT SAT JUL 18 2026
TODAY TONIGHT SUN
CLOUD COVER MCLDY MCLDY MCLEAR
PRECIP TYPE TSTMS TSTMS NONE
CHANCE PRECIP (%) 80 80
CHANCE OF THUNDER (%) 50 50 0
TEMP (24H TREND) 83 (0) 67 (+7) 79
RH % (24H TREND) 60 (+33) 100 (+7) 39
20FT WND AM(MPH) LGT/VAR NW 8 G18
20FT WND PM(MPH) SW 8 G25 SW 7 G24 NW 8 G17
PRECIP AMOUNT 0.61 0.40 0.00
PRECIP DURATION 4 5
PRECIP BEGIN 12 PM CONTINUING
PRECIP END CONTINUING 2 AM
MIXING HGT (FT-AGL) 4350 480 6920
TRANSPORT WND (KTS) SW 20 W 13 NW 15
VENT RATE (KT-FT) 87000 6240 103800
MAX ADI EARLY 103 VERY GOOD58 GEN GOOD 72 GOOD
MAX ADI LATE 105 VERY GOOD15 GEN POOR 105 VERY GOOD
MAX LVORI EARLY 4 5 1
MAX LVORI LATE 4 5 1
MIN VSBY EARLY 6 SMOKE 2 FOG 9
MIN VSBY LATE 2 SMOKE 6 FOG 9
SUNSHINE HOURS N/A N/A N/A
CWR 100 100 0
REMARKS...NONE.
FORECAST FOR DAYS 3 THROUGH 7
SUNDAY NIGHT
CLEAR. LOWS IN THE MID 50S. NORTHWEST WINDS
AROUND 5 MPH.
MONDAY
SUNNY. HIGHS IN THE UPPER 70S. NORTHWEST WINDS AROUND
5 MPH, BECOMING SOUTHWEST IN THE AFTERNOON.
MONDAY NIGHT
PARTLY CLOUDY. LOWS IN THE LOWER 60S. SOUTH WINDS
AROUND 5 MPH.
TUESDAY
PARTLY SUNNY WITH A CHANCE OF SHOWERS AND
THUNDERSTORMS. HIGHS IN THE UPPER 70S. SOUTH WINDS 5 TO 10 MPH.
TUESDAY NIGHT
SHOWERS AND A CHANCE OF THUNDERSTORMS. LOWS IN
THE MID 60S. SOUTH WINDS 5 TO 10 MPH.
WEDNESDAY AND WEDNESDAY NIGHT
SHOWERS AND A CHANCE OF
THUNDERSTORMS. LOWS IN THE MID 60S. HIGHS AROUND 80. SOUTHWEST
WINDS 5 TO 10 MPH.
THURSDAY
MOSTLY SUNNY WITH A CHANCE OF SHOWERS. HIGHS IN THE
UPPER 70S. WEST WINDS AROUND 5 MPH.
THURSDAY NIGHT AND FRIDAY
PARTLY CLOUDY. LOWS IN THE LOWER
60S. HIGHS IN THE LOWER 80S. SOUTHWEST WINDS AROUND 5 MPH.
RIZ002-182000-
SOUTHEAST PROVIDENCE RI-
INCLUDING THE CITY OF PROVIDENCE
408 AM EDT SAT JUL 18 2026
TODAY TONIGHT SUN
CLOUD COVER MCLDY MCLDY MCLEAR
PRECIP TYPE TSTMS TSTMS NONE
CHANCE PRECIP (%) 80 70
CHANCE OF THUNDER (%) 50 50 0
TEMP (24H TREND) 83 (-2) 68 (+6) 81
RH % (24H TREND) 56 (+30) 100 (+10) 38
20FT WND AM(MPH) LGT/VAR NW 8 G17
20FT WND PM(MPH) SW 11 G24 SW 9 G23 NW 8
PRECIP AMOUNT 0.62 0.44 0.00
PRECIP DURATION 4 4
PRECIP BEGIN 12 PM CONTINUING
PRECIP END CONTINUING 3 AM
MIXING HGT (FT-AGL) 4410 480 7150
TRANSPORT WND (KTS) SW 20 W 11 NW 14
VENT RATE (KT-FT) 88200 5280 100100
MAX ADI EARLY 100 GOOD 50 GEN GOOD 72 GOOD
MAX ADI LATE 89 GOOD 14 GEN POOR 105 VERY GOOD
MAX LVORI EARLY 4 5 1
MAX LVORI LATE 4 5 1
MIN VSBY EARLY 6 SMOKE 2 FOG 9
MIN VSBY LATE 2 SMOKE 6 FOG 9
SUNSHINE HOURS N/A N/A N/A
CWR 100 100 0
REMARKS...NONE.
FORECAST FOR DAYS 3 THROUGH 7
SUNDAY NIGHT
MOSTLY CLEAR. LOWS IN THE UPPER 50S. NORTHWEST
WINDS 5 TO 10 MPH.
MONDAY
SUNNY. HIGHS IN THE UPPER 70S. NORTHWEST WINDS AROUND
5 MPH, BECOMING SOUTHWEST IN THE AFTERNOON.
MONDAY NIGHT
PARTLY CLOUDY. LOWS IN THE LOWER 60S. SOUTH WINDS
5 TO 10 MPH.
TUESDAY
PARTLY SUNNY WITH A CHANCE OF SHOWERS AND
THUNDERSTORMS. HIGHS AROUND 80. SOUTH WINDS 5 TO 10 MPH.
TUESDAY NIGHT
SHOWERS AND A CHANCE OF THUNDERSTORMS. LOWS IN
THE UPPER 60S. SOUTH WINDS 5 TO 10 MPH.
WEDNESDAY AND WEDNESDAY NIGHT
SHOWERS AND A CHANCE OF
THUNDERSTORMS. LOWS IN THE MID 60S. HIGHS IN THE LOWER 80S.
SOUTHWEST WINDS 10 TO 15 MPH.
THURSDAY
PARTLY SUNNY WITH A CHANCE OF SHOWERS. HIGHS IN THE
LOWER 80S. WEST WINDS AROUND 5 MPH.
THURSDAY NIGHT AND FRIDAY
PARTLY CLOUDY. LOWS IN THE LOWER
60S. HIGHS IN THE LOWER 80S. SOUTHWEST WINDS AROUND 5 MPH.
RIZ003-182000-
WESTERN KENT RI-
INCLUDING THE CITIES OF COVENTRY AND WEST GREENWICH
408 AM EDT SAT JUL 18 2026
TODAY TONIGHT SUN
CLOUD COVER MCLDY MCLDY MCLEAR
PRECIP TYPE TSTMS TSTMS NONE
CHANCE PRECIP (%) 80 80
CHANCE OF THUNDER (%) 50 50 0
TEMP (24H TREND) 81 (-2) 68 (+6) 79
RH % (24H TREND) 60 (+32) 100 (+7) 39
20FT WND AM(MPH) SW 5 G19 NW 8 G17
20FT WND PM(MPH) SW 10 G24 SW 9 G23 NW 8
PRECIP AMOUNT 0.74 0.48 0.00
PRECIP DURATION 5 5
PRECIP BEGIN 12 PM CONTINUING
PRECIP END CONTINUING 3 AM
MIXING HGT (FT-AGL) 3630 480 6900
TRANSPORT WND (KTS) SW 20 SW 12 NW 15
VENT RATE (KT-FT) 72600 5760 103500
MAX ADI EARLY 86 GOOD 44 GEN GOOD 66 GOOD
MAX ADI LATE 80 GOOD 15 GEN POOR 105 VERY GOOD
MAX LVORI EARLY 4 5 1
MAX LVORI LATE 4 5 1
MIN VSBY EARLY 6 SMOKE 2 FOG 9
MIN VSBY LATE 2 SMOKE 6 FOG 9
SUNSHINE HOURS N/A N/A N/A
CWR 100 100 0
REMARKS...NONE.
FORECAST FOR DAYS 3 THROUGH 7
SUNDAY NIGHT
CLEAR. LOWS IN THE UPPER 50S. NORTHWEST WINDS
AROUND 5 MPH.
MONDAY
SUNNY. HIGHS IN THE UPPER 70S. NORTHWEST WINDS AROUND
5 MPH, BECOMING SOUTHWEST AROUND 5 MPH IN THE AFTERNOON.
MONDAY NIGHT
PARTLY CLOUDY. LOWS IN THE LOWER 60S. SOUTH WINDS
AROUND 5 MPH.
TUESDAY
MOSTLY CLOUDY WITH A CHANCE OF SHOWERS AND
THUNDERSTORMS. HIGHS IN THE UPPER 70S. SOUTH WINDS 5 TO 10 MPH.
TUESDAY NIGHT
SHOWERS AND A CHANCE OF THUNDERSTORMS. LOWS IN
THE MID 60S. SOUTH WINDS 5 TO 10 MPH.
WEDNESDAY AND WEDNESDAY NIGHT
SHOWERS AND A CHANCE OF
THUNDERSTORMS. LOWS IN THE MID 60S. HIGHS IN THE UPPER 70S. WEST
WINDS 5 TO 10 MPH.
THURSDAY
PARTLY SUNNY WITH A CHANCE OF SHOWERS. HIGHS IN THE
UPPER 70S. WEST WINDS AROUND 5 MPH.
THURSDAY NIGHT AND FRIDAY
PARTLY CLOUDY. LOWS IN THE LOWER
60S. HIGHS AROUND 80. SOUTHWEST WINDS AROUND 5 MPH.
RIZ004-182000-
EASTERN KENT RI-
INCLUDING THE CITIES OF EAST GREENWICH, WARWICK, AND WEST WARWICK
408 AM EDT SAT JUL 18 2026
TODAY TONIGHT SUN
CLOUD COVER MCLDY MCLDY MCLEAR
PRECIP TYPE TSTMS TSTMS NONE
CHANCE PRECIP (%) 80 70
CHANCE OF THUNDER (%) 50 50 0
TEMP (24H TREND) 82 (-2) 69 (+5) 81
RH % (24H TREND) 56 (+29) 93 (+6) 38
20FT WND AM(MPH) SW 5 G19 W 9
20FT WND PM(MPH) S 12 G23 SW 11 G23 NW 9
PRECIP AMOUNT 0.70 0.49 0.00
PRECIP DURATION 4 4
PRECIP BEGIN 12 PM CONTINUING
PRECIP END CONTINUING 3 AM
MIXING HGT (FT-AGL) 3460 480 7210
TRANSPORT WND (KTS) SW 20 W 12 NW 14
VENT RATE (KT-FT) 69200 5760 100940
MAX ADI EARLY 74 GOOD 47 GEN GOOD 71 GOOD
MAX ADI LATE 75 GOOD 15 GEN POOR 101 VERY GOOD
MAX LVORI EARLY 3 5 1
MAX LVORI LATE 3 5 1
MIN VSBY EARLY 6 SMOKE 2 FOG 9
MIN VSBY LATE 2 SMOKE 6 FOG 9
SUNSHINE HOURS N/A N/A N/A
CWR 100 100 0
REMARKS...NONE.
FORECAST FOR DAYS 3 THROUGH 7
SUNDAY NIGHT
MOSTLY CLEAR. LOWS AROUND 60. NORTHWEST WINDS
5 TO 10 MPH.
MONDAY
SUNNY. HIGHS IN THE UPPER 70S. NORTHWEST WINDS AROUND
5 MPH, BECOMING SOUTHWEST IN THE AFTERNOON.
MONDAY NIGHT
PARTLY CLOUDY. LOWS IN THE MID 60S. SOUTH WINDS
5 TO 10 MPH.
TUESDAY
MOSTLY CLOUDY WITH A CHANCE OF SHOWERS AND
THUNDERSTORMS. HIGHS IN THE UPPER 70S. SOUTH WINDS 10 TO 15 MPH.
TUESDAY NIGHT
SHOWERS AND A CHANCE OF THUNDERSTORMS. LOWS IN
THE UPPER 60S. SOUTH WINDS 10 TO 15 MPH.
WEDNESDAY AND WEDNESDAY NIGHT
SHOWERS AND A CHANCE OF
THUNDERSTORMS. LOWS IN THE UPPER 60S. HIGHS IN THE LOWER 80S.
SOUTHWEST WINDS 10 TO 15 MPH.
THURSDAY
PARTLY SUNNY WITH A CHANCE OF SHOWERS. HIGHS AROUND
80. WEST WINDS AROUND 5 MPH.
THURSDAY NIGHT AND FRIDAY
PARTLY CLOUDY. LOWS IN THE MID 60S.
HIGHS IN THE LOWER 80S. SOUTHWEST WINDS AROUND 5 MPH.
RIZ005-182000-
BRISTOL RI-
INCLUDING THE CITY OF BRISTOL
408 AM EDT SAT JUL 18 2026
TODAY TONIGHT SUN
CLOUD COVER MCLDY CLOUDY MCLEAR
PRECIP TYPE TSTMS TSTMS NONE
CHANCE PRECIP (%) 80 70
CHANCE OF THUNDER (%) 50 50 0
TEMP (24H TREND) 80 (-4) 70 (+6) 80
RH % (24H TREND) 67 (+39) 97 (+4) 41
20FT WND AM(MPH) S 6 G19 W 10 G17
20FT WND PM(MPH) S 14 G24 S 13 G23 NW 9
PRECIP AMOUNT 0.67 0.51 0.00
PRECIP DURATION 4 5
PRECIP BEGIN 12 PM CONTINUING
PRECIP END CONTINUING 4 AM
MIXING HGT (FT-AGL) 2550 470 7370
TRANSPORT WND (KTS) S 18 SW 13 NW 13
VENT RATE (KT-FT) 45900 6110 95810
MAX ADI EARLY 54 GEN GOOD 46 GEN GOOD 71 GOOD
MAX ADI LATE 61 GOOD 15 GEN POOR 98 GOOD
MAX LVORI EARLY 4 5 1
MAX LVORI LATE 4 5 1
MIN VSBY EARLY 6 SMOKE 2 FOG 9
MIN VSBY LATE 2 SMOKE 6 FOG 9
SUNSHINE HOURS N/A N/A N/A
CWR 100 100 0
REMARKS...NONE.
FORECAST FOR DAYS 3 THROUGH 7
SUNDAY NIGHT
MOSTLY CLEAR. LOWS IN THE UPPER 50S. NORTHWEST
WINDS 5 TO 10 MPH.
MONDAY
SUNNY. HIGHS IN THE UPPER 70S. NORTHWEST WINDS AROUND
5 MPH, BECOMING SOUTHWEST IN THE AFTERNOON.
MONDAY NIGHT
PARTLY CLOUDY. LOWS IN THE MID 60S. SOUTH WINDS
5 TO 10 MPH.
TUESDAY
PARTLY SUNNY WITH A CHANCE OF SHOWERS AND
THUNDERSTORMS. HIGHS IN THE UPPER 70S. SOUTH WINDS 10 TO 15 MPH.
TUESDAY NIGHT
SHOWERS AND A CHANCE OF THUNDERSTORMS. LOWS IN
THE UPPER 60S. SOUTH WINDS 10 TO 15 MPH.
WEDNESDAY AND WEDNESDAY NIGHT
SHOWERS AND A CHANCE OF
THUNDERSTORMS. LOWS IN THE UPPER 60S. HIGHS IN THE LOWER 80S.
SOUTHWEST WINDS 10 TO 15 MPH.
THURSDAY
PARTLY SUNNY WITH A CHANCE OF SHOWERS. HIGHS IN THE
LOWER 80S. SOUTHWEST WINDS 5 TO 10 MPH.
THURSDAY NIGHT AND FRIDAY
PARTLY CLOUDY. LOWS IN THE MID 60S.
HIGHS IN THE LOWER 80S. SOUTHWEST WINDS 5 TO 10 MPH.
RIZ006-182000-
WASHINGTON RI-
INCLUDING THE CITIES OF NARRAGANSETT AND WESTERLY
408 AM EDT SAT JUL 18 2026
TODAY TONIGHT SUN
CLOUD COVER MCLDY MCLDY MCLEAR
PRECIP TYPE TSTMS TSTMS NONE
CHANCE PRECIP (%) 80 70
CHANCE OF THUNDER (%) 50 50 0
TEMP (24H TREND) 82 (-1) 68 (+5) 78
RH % (24H TREND) 60 (+31) 100 (+3) 39
20FT WND AM(MPH) S 5 G19 W 8 G17
20FT WND PM(MPH) S 11 G23 SW 10 G23 NW 8
PRECIP AMOUNT 0.77 0.59 0.00
PRECIP DURATION 5 6
PRECIP BEGIN 11 AM CONTINUING
PRECIP END CONTINUING 4 AM
MIXING HGT (FT-AGL) 2830 440 6840
TRANSPORT WND (KTS) SW 18 W 13 NW 14
VENT RATE (KT-FT) 50940 5720 95760
MAX ADI EARLY 52 GEN GOOD 34 FAIR 64 GOOD
MAX ADI LATE 56 GEN GOOD 15 GEN POOR 98 GOOD
MAX LVORI EARLY 4 5 1
MAX LVORI LATE 4 5 1
MIN VSBY EARLY 6 SMOKE 2 FOG 9
MIN VSBY LATE 2 SMOKE 5 FOG 9
SUNSHINE HOURS N/A N/A N/A
CWR 100 100 0
REMARKS...NONE.
FORECAST FOR DAYS 3 THROUGH 7
SUNDAY NIGHT
MOSTLY CLEAR. LOWS IN THE UPPER 50S. NORTHWEST
WINDS 5 TO 10 MPH.
MONDAY
SUNNY. HIGHS IN THE MID 70S. NORTHWEST WINDS AROUND
5 MPH, BECOMING SOUTHWEST IN THE AFTERNOON.
MONDAY NIGHT
PARTLY CLOUDY. LOWS IN THE MID 60S. SOUTH WINDS
5 TO 10 MPH.
TUESDAY
MOSTLY CLOUDY WITH A CHANCE OF SHOWERS AND
THUNDERSTORMS. HIGHS IN THE UPPER 70S. SOUTH WINDS 10 TO 15 MPH.
TUESDAY NIGHT
SHOWERS AND A CHANCE OF THUNDERSTORMS. LOWS IN
THE UPPER 60S. SOUTH WINDS 15 TO 20 MPH.
WEDNESDAY AND WEDNESDAY NIGHT
SHOWERS AND A CHANCE OF
THUNDERSTORMS. LOWS IN THE MID 60S. HIGHS IN THE UPPER 70S.
SOUTHWEST WINDS 15 TO 20 MPH.
THURSDAY
PARTLY SUNNY WITH A CHANCE OF SHOWERS. HIGHS IN THE
UPPER 70S. SOUTHWEST WINDS 5 TO 10 MPH.
THURSDAY NIGHT AND FRIDAY
PARTLY CLOUDY. LOWS IN THE LOWER
60S. HIGHS IN THE UPPER 70S. SOUTHWEST WINDS 5 TO 10 MPH.
RIZ007-182000-
NEWPORT RI-
INCLUDING THE CITY OF NEWPORT
408 AM EDT SAT JUL 18 2026
TODAY TONIGHT SUN
CLOUD COVER MCLDY CLOUDY MCLEAR
PRECIP TYPE TSTMS TSTMS NONE
CHANCE PRECIP (%) 80 70 10
CHANCE OF THUNDER (%) 50 50 0
TEMP (24H TREND) 79 (-2) 69 (+4) 80
RH % (24H TREND) 65 (+33) 100 (+3) 43
20FT WND AM(MPH) S 6 G19 W 9 G17
20FT WND PM(MPH) S 10 G23 S 11 G24 NW 9
PRECIP AMOUNT 0.72 0.60 0.00
PRECIP DURATION 4 5
PRECIP BEGIN 12 PM CONTINUING
PRECIP END CONTINUING 5 AM
MIXING HGT (FT-AGL) 1830 460 6590
TRANSPORT WND (KTS) SW 19 SW 16 NW 12
VENT RATE (KT-FT) 34770 7360 79080
MAX ADI EARLY 35 FAIR 34 FAIR 63 GOOD
MAX ADI LATE 39 FAIR 18 GEN POOR 66 GOOD
MAX LVORI EARLY 4 5 1
MAX LVORI LATE 4 5 1
MIN VSBY EARLY 6 SMOKE 2 FOG 9
MIN VSBY LATE 2 SMOKE 5 FOG 9
SUNSHINE HOURS N/A N/A N/A
CWR 100 100 0
REMARKS...NONE.
FORECAST FOR DAYS 3 THROUGH 7
SUNDAY NIGHT
MOSTLY CLEAR. LOWS IN THE UPPER 50S. NORTHWEST
WINDS 5 TO 10 MPH.
MONDAY
SUNNY. HIGHS IN THE MID 70S. NORTHWEST WINDS AROUND
5 MPH, BECOMING SOUTHWEST IN THE AFTERNOON.
MONDAY NIGHT
PARTLY CLOUDY. LOWS IN THE MID 60S. SOUTH WINDS
5 TO 10 MPH.
TUESDAY
PARTLY SUNNY WITH A CHANCE OF SHOWERS AND
THUNDERSTORMS. HIGHS IN THE UPPER 70S. SOUTH WINDS 10 TO 15 MPH.
TUESDAY NIGHT
SHOWERS AND A CHANCE OF THUNDERSTORMS. LOWS IN
THE UPPER 60S. SOUTH WINDS 15 TO 20 MPH.
WEDNESDAY AND WEDNESDAY NIGHT
SHOWERS AND A CHANCE OF
THUNDERSTORMS. LOWS IN THE UPPER 60S. HIGHS IN THE UPPER 70S.
SOUTHWEST WINDS 15 TO 20 MPH.
THURSDAY
PARTLY SUNNY WITH A CHANCE OF SHOWERS. HIGHS IN THE
UPPER 70S. SOUTHWEST WINDS 5 TO 10 MPH.
THURSDAY NIGHT AND FRIDAY
PARTLY CLOUDY. LOWS IN THE MID 60S.
HIGHS IN THE UPPER 70S. SOUTHWEST WINDS 5 TO 10 MPH.
RIZ008-182000-
BLOCK ISLAND RI-
INCLUDING THE CITY OF NEW SHOREHAM
408 AM EDT SAT JUL 18 2026
TODAY TONIGHT SUN
CLOUD COVER MCLDY CLOUDY MCLEAR
PRECIP TYPE TSTMS TSTMS NONE
CHANCE PRECIP (%) 90 80 10
CHANCE OF THUNDER (%) 50 50 0
TEMP (24H TREND) 76 (-3) 69 (+3) 73
RH % (24H TREND) 76 (+29) 97 (+4) 66
20FT WND AM(MPH) SW 8 G19 W 10 G19
20FT WND PM(MPH) S 12 G23 SW 13 G27 W 9
PRECIP AMOUNT 0.69 0.92 0.00
PRECIP DURATION 4 6
PRECIP BEGIN 11 AM CONTINUING
PRECIP END CONTINUING 5 AM
MIXING HGT (FT-AGL) 850 560 1580
TRANSPORT WND (KTS) S 19 SW 21 NW 16
VENT RATE (KT-FT) 16150 11760 25280
MAX ADI EARLY 18 GEN POOR 28 FAIR 37 FAIR
MAX ADI LATE 25 FAIR 23 FAIR 20 GEN POOR
MAX LVORI EARLY 4 5 3
MAX LVORI LATE 4 5 3
MIN VSBY EARLY 6 SMOKE 2 FOG 9
MIN VSBY LATE 2 SMOKE 2 FOG 9
SUNSHINE HOURS N/A N/A N/A
CWR 100 100 0
REMARKS...NONE.
FORECAST FOR DAYS 3 THROUGH 7
SUNDAY NIGHT
MOSTLY CLEAR. LOWS IN THE LOWER 60S. NORTHWEST
WINDS 5 TO 10 MPH.
MONDAY
SUNNY. HIGHS IN THE LOWER 70S. NORTHWEST WINDS AROUND
5 MPH, BECOMING SOUTH IN THE AFTERNOON.
MONDAY NIGHT
PARTLY CLOUDY. LOWS IN THE UPPER 60S. SOUTH WINDS
5 TO 10 MPH.
TUESDAY
PARTLY SUNNY WITH A CHANCE OF SHOWERS AND
THUNDERSTORMS. HIGHS IN THE MID 70S. SOUTHEAST WINDS 10 TO
15 MPH.
TUESDAY NIGHT
SHOWERS AND A CHANCE OF THUNDERSTORMS. LOWS IN
THE UPPER 60S. SOUTH WINDS 15 TO 20 MPH.
WEDNESDAY
SHOWERS. HIGHS IN THE MID 70S. SOUTHWEST WINDS 15 TO
20 MPH.
WEDNESDAY NIGHT
MOSTLY CLOUDY WITH A CHANCE OF SHOWERS. LOWS
IN THE MID 60S. SOUTHWEST WINDS 10 TO 15 MPH.
THURSDAY
PARTLY SUNNY WITH A CHANCE OF SHOWERS. HIGHS IN THE
LOWER 70S. SOUTHWEST WINDS AROUND 10 MPH.
THURSDAY NIGHT AND FRIDAY
PARTLY CLOUDY. LOWS IN THE MID 60S.
HIGHS IN THE LOWER 70S. SOUTHWEST WINDS 5 TO 10 MPH.
MAZ017-182000-
NORTHERN BRISTOL MA-
INCLUDING THE CITY OF TAUNTON
408 AM EDT SAT JUL 18 2026
TODAY TONIGHT SUN
CLOUD COVER MCLDY CLOUDY MCLEAR
PRECIP TYPE TSTMS TSTMS NONE
CHANCE PRECIP (%) 80 70
CHANCE OF THUNDER (%) 50 50 0
TEMP (24H TREND) 83 (-2) 68 (+9) 80
RH % (24H TREND) 56 (+30) 97 (-3) 38
20FT WND AM(MPH) LGT/VAR W 7 G17
20FT WND PM(MPH) SW 10 G25 SW 9 G23 NW 7
PRECIP AMOUNT 0.51 0.40 0.00
PRECIP DURATION 4 5
PRECIP BEGIN 12 PM CONTINUING
PRECIP END CONTINUING 4 AM
MIXING HGT (FT-AGL) 4100 450 7280
TRANSPORT WND (KTS) SW 21 SW 13 NW 14
VENT RATE (KT-FT) 86100 5850 101920
MAX ADI EARLY 94 GOOD 54 GEN GOOD 91 GOOD
MAX ADI LATE 85 GOOD 16 GEN POOR 105 VERY GOOD
MAX LVORI EARLY 4 4 1
MAX LVORI LATE 4 4 1
MIN VSBY EARLY 6 SMOKE 2 FOG 9
MIN VSBY LATE 2 SMOKE 6 FOG 9
SUNSHINE HOURS N/A N/A N/A
CWR 100 100 0
REMARKS...NONE.
FORECAST FOR DAYS 3 THROUGH 7
SUNDAY NIGHT
CLEAR. LOWS IN THE MID 50S. NORTHWEST WINDS
AROUND 5 MPH.
MONDAY
SUNNY. HIGHS IN THE UPPER 70S. NORTHWEST WINDS AROUND
5 MPH, BECOMING SOUTHWEST IN THE AFTERNOON.
MONDAY NIGHT
PARTLY CLOUDY. LOWS IN THE LOWER 60S. SOUTH WINDS
AROUND 5 MPH.
TUESDAY
PARTLY SUNNY WITH A CHANCE OF SHOWERS AND
THUNDERSTORMS. HIGHS IN THE LOWER 80S. SOUTH WINDS 5 TO 10 MPH.
TUESDAY NIGHT
SHOWERS AND A CHANCE OF THUNDERSTORMS. LOWS IN
THE MID 60S. SOUTH WINDS 5 TO 10 MPH.
WEDNESDAY AND WEDNESDAY NIGHT
SHOWERS AND A CHANCE OF
THUNDERSTORMS. LOWS IN THE MID 60S. HIGHS IN THE LOWER 80S.
SOUTHWEST WINDS 5 TO 10 MPH.
THURSDAY
PARTLY SUNNY WITH A CHANCE OF SHOWERS. HIGHS IN THE
LOWER 80S. WEST WINDS AROUND 5 MPH.
THURSDAY NIGHT AND FRIDAY
PARTLY CLOUDY. LOWS IN THE LOWER
60S. HIGHS IN THE LOWER 80S. SOUTHWEST WINDS AROUND 5 MPH.
MAZ018-182000-
WESTERN PLYMOUTH MA-
INCLUDING THE CITY OF BROCKTON
408 AM EDT SAT JUL 18 2026
TODAY TONIGHT SUN
CLOUD COVER MCLDY CLOUDY MCLEAR
PRECIP TYPE TSTMS TSTMS NONE
CHANCE PRECIP (%) 80 70
CHANCE OF THUNDER (%) 50 50 0
TEMP (24H TREND) 83 (-2) 69 (+10) 79
RH % (24H TREND) 50 (+25) 93 (-7) 39
20FT WND AM(MPH) LGT/VAR W 8 G18
20FT WND PM(MPH) SW 11 G27 SW 10 G26 NW 7
PRECIP AMOUNT 0.34 0.35 0.00
PRECIP DURATION 2 5
PRECIP BEGIN 12 PM CONTINUING
PRECIP END CONTINUING 4 AM
MIXING HGT (FT-AGL) 3780 450 7270
TRANSPORT WND (KTS) SW 21 SW 18 NW 14
VENT RATE (KT-FT) 79380 8100 101780
MAX ADI EARLY 92 GOOD 55 GEN GOOD 86 GOOD
MAX ADI LATE 87 GOOD 18 GEN POOR 105 VERY GOOD
MAX LVORI EARLY 3 4 1
MAX LVORI LATE 3 4 1
MIN VSBY EARLY 6 SMOKE 2 FOG 9
MIN VSBY LATE 2 SMOKE 6 FOG 9
SUNSHINE HOURS N/A N/A N/A
CWR 100 100 0
REMARKS...NONE.
FORECAST FOR DAYS 3 THROUGH 7
SUNDAY NIGHT
MOSTLY CLEAR. LOWS IN THE MID 50S. NORTHWEST
WINDS AROUND 5 MPH.
MONDAY
SUNNY. HIGHS IN THE UPPER 70S. NORTHWEST WINDS AROUND
5 MPH, BECOMING SOUTHWEST AROUND 5 MPH IN THE AFTERNOON.
MONDAY NIGHT
PARTLY CLOUDY. LOWS IN THE LOWER 60S. SOUTH WINDS
AROUND 5 MPH.
TUESDAY
PARTLY SUNNY WITH A CHANCE OF SHOWERS AND
THUNDERSTORMS. HIGHS IN THE LOWER 80S. SOUTH WINDS 5 TO 10 MPH.
TUESDAY NIGHT
SHOWERS AND A CHANCE OF THUNDERSTORMS. LOWS IN
THE UPPER 60S. SOUTH WINDS 5 TO 10 MPH.
WEDNESDAY AND WEDNESDAY NIGHT
SHOWERS AND A CHANCE OF
THUNDERSTORMS. LOWS IN THE MID 60S. HIGHS IN THE LOWER 80S.
SOUTHWEST WINDS 10 TO 15 MPH.
THURSDAY
PARTLY SUNNY WITH A CHANCE OF SHOWERS. HIGHS IN THE
LOWER 80S. SOUTHWEST WINDS AROUND 5 MPH.
THURSDAY NIGHT AND FRIDAY
PARTLY CLOUDY. LOWS IN THE LOWER
60S. HIGHS IN THE LOWER 80S. SOUTH WINDS AROUND 5 MPH.
MAZ019-182000-
EASTERN PLYMOUTH MA-
INCLUDING THE CITY OF PLYMOUTH
408 AM EDT SAT JUL 18 2026
TODAY TONIGHT SUN
CLOUD COVER MCLDY CLOUDY MCLEAR
PRECIP TYPE TSTMS TSTMS NONE
CHANCE PRECIP (%) 70 70
CHANCE OF THUNDER (%) 50 50 0
TEMP (24H TREND) 84 (+2) 68 (+6) 77
RH % (24H TREND) 48 (+21) 97 (-3) 42
20FT WND AM(MPH) SW 5 G21 W 9 G19
20FT WND PM(MPH) SW 13 G28 SW 13 G27 NW 8 G17
PRECIP AMOUNT 0.22 0.30 0.00
PRECIP DURATION 2 4
PRECIP BEGIN 12 PM CONTINUING
PRECIP END CONTINUING 4 AM
MIXING HGT (FT-AGL) 2660 470 5820
TRANSPORT WND (KTS) SW 20 W 15 NW 14
VENT RATE (KT-FT) 53200 7050 81480
MAX ADI EARLY 36 FAIR 34 FAIR 70 GOOD
MAX ADI LATE 32 FAIR 20 GEN POOR 79 GOOD
MAX LVORI EARLY 3 4 1
MAX LVORI LATE 3 4 1
MIN VSBY EARLY 6 SMOKE 3 FOG 9
MIN VSBY LATE 2 SMOKE 5 FOG 9
SUNSHINE HOURS N/A N/A N/A
CWR 100 100 0
REMARKS...NONE.
FORECAST FOR DAYS 3 THROUGH 7
SUNDAY NIGHT
MOSTLY CLEAR. LOWS IN THE UPPER 50S. NORTHWEST
WINDS 5 TO 10 MPH.
MONDAY
SUNNY. HIGHS IN THE MID 70S. NORTHWEST WINDS AROUND
5 MPH, BECOMING SOUTH IN THE AFTERNOON.
MONDAY NIGHT
PARTLY CLOUDY. LOWS IN THE MID 60S. SOUTH WINDS
5 TO 10 MPH.
TUESDAY
PARTLY SUNNY WITH A CHANCE OF SHOWERS AND
THUNDERSTORMS. HIGHS IN THE LOWER 80S. SOUTH WINDS 10 TO 15 MPH.
TUESDAY NIGHT
SHOWERS AND A CHANCE OF THUNDERSTORMS. LOWS IN
THE UPPER 60S. SOUTH WINDS 10 TO 15 MPH.
WEDNESDAY AND WEDNESDAY NIGHT
SHOWERS AND A CHANCE OF
THUNDERSTORMS. LOWS IN THE UPPER 60S. HIGHS IN THE LOWER 80S.
SOUTHWEST WINDS 10 TO 15 MPH.
THURSDAY
PARTLY SUNNY WITH A CHANCE OF SHOWERS. HIGHS AROUND
80. SOUTHWEST WINDS 5 TO 10 MPH.
THURSDAY NIGHT AND FRIDAY
PARTLY CLOUDY. LOWS IN THE MID 60S.
HIGHS AROUND 80. SOUTHEAST WINDS AROUND 5 MPH.
MAZ020-182000-
SOUTHERN BRISTOL MA-
INCLUDING THE CITIES OF FALL RIVER AND NEW BEDFORD
408 AM EDT SAT JUL 18 2026
TODAY TONIGHT SUN
CLOUD COVER MCLDY CLOUDY MCLEAR
PRECIP TYPE TSTMS TSTMS NONE
CHANCE PRECIP (%) 80 70 10
CHANCE OF THUNDER (%) 50 50 0
TEMP (24H TREND) 82 (-1) 69 (+7) 79
RH % (24H TREND) 61 (+34) 100 (0) 42
20FT WND AM(MPH) SW 6 G19 W 9 G19
20FT WND PM(MPH) S 12 G24 SW 13 G26 NW 8
PRECIP AMOUNT 0.67 0.57 0.00
PRECIP DURATION 4 5
PRECIP BEGIN 12 PM CONTINUING
PRECIP END CONTINUING 5 AM
MIXING HGT (FT-AGL) 2770 440 7590
TRANSPORT WND (KTS) SW 19 SW 15 NW 13
VENT RATE (KT-FT) 52630 6600 98670
MAX ADI EARLY 58 GEN GOOD 45 GEN GOOD 70 GOOD
MAX ADI LATE 62 GOOD 18 GEN POOR 98 GOOD
MAX LVORI EARLY 4 5 1
MAX LVORI LATE 4 5 1
MIN VSBY EARLY 6 SMOKE 2 FOG 9
MIN VSBY LATE 2 SMOKE 5 FOG 9
SUNSHINE HOURS N/A N/A N/A
CWR 100 100 0
REMARKS...NONE.
FORECAST FOR DAYS 3 THROUGH 7
SUNDAY NIGHT
MOSTLY CLEAR. LOWS IN THE MID 50S. NORTHWEST
WINDS 5 TO 10 MPH.
MONDAY
SUNNY. HIGHS IN THE MID 70S. NORTHWEST WINDS AROUND
5 MPH, BECOMING SOUTHWEST IN THE AFTERNOON.
MONDAY NIGHT
PARTLY CLOUDY. LOWS IN THE MID 60S. SOUTH WINDS
5 TO 10 MPH.
TUESDAY
PARTLY SUNNY WITH A CHANCE OF SHOWERS AND
THUNDERSTORMS. HIGHS AROUND 80. SOUTH WINDS 10 TO 15 MPH.
TUESDAY NIGHT
BREEZY. SHOWERS AND A CHANCE OF THUNDERSTORMS.
LOWS IN THE UPPER 60S. SOUTH WINDS 15 TO 25 MPH.
WEDNESDAY AND WEDNESDAY NIGHT
BREEZY. SHOWERS AND A CHANCE OF
THUNDERSTORMS. LOWS IN THE UPPER 60S. HIGHS AROUND 80. SOUTHWEST
WINDS 20 TO 25 MPH.
THURSDAY
PARTLY SUNNY WITH A CHANCE OF SHOWERS. HIGHS AROUND
80. SOUTHWEST WINDS 5 TO 10 MPH.
THURSDAY NIGHT AND FRIDAY
PARTLY CLOUDY. LOWS IN THE MID 60S.
HIGHS AROUND 80. SOUTHWEST WINDS 5 TO 10 MPH.
MAZ021-182000-
SOUTHERN PLYMOUTH MA-
INCLUDING THE CITY OF MATTAPOISETT
408 AM EDT SAT JUL 18 2026
TODAY TONIGHT SUN
CLOUD COVER MCLDY CLOUDY MCLEAR
PRECIP TYPE TSTMS TSTMS NONE
CHANCE PRECIP (%) 80 70 10
CHANCE OF THUNDER (%) 50 50 0
TEMP (24H TREND) 82 (0) 70 (+9) 77
RH % (24H TREND) 58 (+31) 97 (-3) 43
20FT WND AM(MPH) SW 6 G20 W 8 G19
20FT WND PM(MPH) SW 13 G25 SW 13 G27 NW 7
PRECIP AMOUNT 0.60 0.58 0.00
PRECIP DURATION 3 5
PRECIP BEGIN 12 PM CONTINUING
PRECIP END CONTINUING 5 AM
MIXING HGT (FT-AGL) 2610 460 7210
TRANSPORT WND (KTS) SW 20 W 14 NW 12
VENT RATE (KT-FT) 52200 6440 86520
MAX ADI EARLY 56 GEN GOOD 46 GEN GOOD 84 GOOD
MAX ADI LATE 68 GOOD 19 GEN POOR 103 VERY GOOD
MAX LVORI EARLY 3 5 1
MAX LVORI LATE 3 5 1
MIN VSBY EARLY 6 SMOKE 2 FOG 9
MIN VSBY LATE 2 SMOKE 5 FOG 9
SUNSHINE HOURS N/A N/A N/A
CWR 100 100 0
REMARKS...NONE.
FORECAST FOR DAYS 3 THROUGH 7
SUNDAY NIGHT
MOSTLY CLEAR. LOWS IN THE MID 50S. NORTHWEST
WINDS AROUND 5 MPH.
MONDAY
SUNNY. HIGHS IN THE UPPER 70S. NORTHWEST WINDS AROUND
5 MPH, BECOMING SOUTHWEST IN THE AFTERNOON.
MONDAY NIGHT
PARTLY CLOUDY. LOWS IN THE MID 60S. SOUTH WINDS
5 TO 10 MPH.
TUESDAY
PARTLY SUNNY WITH A CHANCE OF SHOWERS AND
THUNDERSTORMS. HIGHS IN THE LOWER 80S. SOUTH WINDS 10 TO 15 MPH.
TUESDAY NIGHT
SHOWERS AND A CHANCE OF THUNDERSTORMS. LOWS IN
THE UPPER 60S. SOUTH WINDS 15 TO 20 MPH.
WEDNESDAY AND WEDNESDAY NIGHT
SHOWERS. LOWS IN THE UPPER 60S.
HIGHS IN THE LOWER 80S. SOUTHWEST WINDS 15 TO 20 MPH.
THURSDAY
PARTLY SUNNY WITH A CHANCE OF SHOWERS. HIGHS AROUND
80. SOUTHWEST WINDS 5 TO 10 MPH.
THURSDAY NIGHT AND FRIDAY
PARTLY CLOUDY. LOWS IN THE MID 60S.
HIGHS IN THE LOWER 80S. SOUTH WINDS 5 TO 10 MPH.
MAZ022-182000-
BARNSTABLE MA-
INCLUDING THE CITIES OF CHATHAM, FALMOUTH, AND PROVINCETOWN
408 AM EDT SAT JUL 18 2026
TODAY TONIGHT SUN
CLOUD COVER MCLDY CLOUDY MCLEAR
PRECIP TYPE TSTMS TSTMS NONE
CHANCE PRECIP (%) 80 70 10
CHANCE OF THUNDER (%) 50 50 0
TEMP (24H TREND) 82 (+1) 69 (+6) 74
RH % (24H TREND) 58 (+24) 100 (0) 51
20FT WND AM(MPH) SW 6 G21 W 9 G20
20FT WND PM(MPH) SW 13 G26 SW 13 G27 NW 7
PRECIP AMOUNT 0.42 0.56 0.00
PRECIP DURATION 2 5
PRECIP BEGIN 1 PM CONTINUING
PRECIP END CONTINUING 5 AM
MIXING HGT (FT-AGL) 2010 530 5260
TRANSPORT WND (KTS) SW 21 W 16 NW 11
VENT RATE (KT-FT) 42210 8480 57860
MAX ADI EARLY 32 FAIR 41 GEN GOOD 66 GOOD
MAX ADI LATE 39 FAIR 23 FAIR 61 GOOD
MAX LVORI EARLY 3 5 2
MAX LVORI LATE 3 5 2
MIN VSBY EARLY 6 SMOKE 2 FOG 9
MIN VSBY LATE 2 SMOKE 5 FOG 9
SUNSHINE HOURS N/A N/A N/A
CWR 100 100 0
REMARKS...NONE.
FORECAST FOR DAYS 3 THROUGH 7
SUNDAY NIGHT
MOSTLY CLEAR. LOWS IN THE LOWER 60S. NORTHWEST
WINDS AROUND 5 MPH.
MONDAY
SUNNY. HIGHS IN THE MID 70S. NORTHWEST WINDS AROUND
5 MPH, BECOMING SOUTH IN THE AFTERNOON.
MONDAY NIGHT
PARTLY CLOUDY. LOWS IN THE MID 60S. SOUTH WINDS
5 TO 10 MPH.
TUESDAY
PARTLY SUNNY WITH A CHANCE OF SHOWERS. HIGHS AROUND
80. SOUTH WINDS 10 TO 15 MPH.
TUESDAY NIGHT
SHOWERS AND A CHANCE OF THUNDERSTORMS. LOWS
AROUND 70. SOUTH WINDS 15 TO 20 MPH.
WEDNESDAY
SHOWERS. HIGHS AROUND 80. SOUTHWEST WINDS 15 TO
20 MPH.
WEDNESDAY NIGHT
MOSTLY CLOUDY WITH A CHANCE OF SHOWERS. LOWS
IN THE UPPER 60S. SOUTHWEST WINDS 15 TO 20 MPH.
THURSDAY
PARTLY SUNNY WITH A CHANCE OF SHOWERS. HIGHS IN THE
UPPER 70S. SOUTHWEST WINDS 5 TO 10 MPH.
THURSDAY NIGHT AND FRIDAY
PARTLY CLOUDY. LOWS IN THE UPPER
60S. HIGHS IN THE UPPER 70S. SOUTH WINDS 5 TO 10 MPH.
MAZ023-182000-
DUKES MA-
INCLUDING THE CITY OF VINEYARD HAVEN
408 AM EDT SAT JUL 18 2026
TODAY TONIGHT SUN
CLOUD COVER MCLDY CLOUDY MCLEAR
PRECIP TYPE TSTMS TSTMS NONE
CHANCE PRECIP (%) 80 80 10
CHANCE OF THUNDER (%) 50 50 0
TEMP (24H TREND) 80 (-2) 69 (+8) 74
RH % (24H TREND) 61 (+25) 100 (0) 57
20FT WND AM(MPH) SW 7 G20 W 10 G22
20FT WND PM(MPH) S 13 G25 S 14 G29 W 8
PRECIP AMOUNT 0.59 0.83 0.00
PRECIP DURATION 2 7
PRECIP BEGIN 12 PM CONTINUING
PRECIP END CONTINUING 6 AM
MIXING HGT (FT-AGL) 1330 590 4120
TRANSPORT WND (KTS) S 22 W 20 NW 12
VENT RATE (KT-FT) 29260 11800 49440
MAX ADI EARLY 19 GEN POOR 38 FAIR 61 GOOD
MAX ADI LATE 34 FAIR 26 FAIR 57 GEN GOOD
MAX LVORI EARLY 3 5 2
MAX LVORI LATE 3 5 2
MIN VSBY EARLY 6 SMOKE 2 FOG 9
MIN VSBY LATE 2 SMOKE 2 FOG 9
SUNSHINE HOURS N/A N/A N/A
CWR 100 100 0
REMARKS...NONE.
FORECAST FOR DAYS 3 THROUGH 7
SUNDAY NIGHT
MOSTLY CLEAR. LOWS IN THE UPPER 50S. NORTHWEST
WINDS 5 TO 10 MPH.
MONDAY
SUNNY. HIGHS IN THE LOWER 70S. NORTHWEST WINDS AROUND
5 MPH, BECOMING SOUTHWEST IN THE AFTERNOON.
MONDAY NIGHT
PARTLY CLOUDY. LOWS IN THE MID 60S. SOUTH WINDS
5 TO 10 MPH.
TUESDAY
PARTLY SUNNY WITH A CHANCE OF SHOWERS AND
THUNDERSTORMS. HIGHS IN THE UPPER 70S. SOUTH WINDS 10 TO 15 MPH.
TUESDAY NIGHT
BREEZY. SHOWERS AND A CHANCE OF THUNDERSTORMS.
LOWS IN THE UPPER 60S. SOUTH WINDS 15 TO 25 MPH.
WEDNESDAY
BREEZY, SHOWERS. HIGHS IN THE UPPER 70S. SOUTHWEST
WINDS 15 TO 25 MPH.
WEDNESDAY NIGHT
BREEZY. MOSTLY CLOUDY WITH A CHANCE OF
SHOWERS. LOWS IN THE UPPER 60S. SOUTHWEST WINDS 15 TO 25 MPH.
THURSDAY
PARTLY SUNNY WITH A CHANCE OF SHOWERS. HIGHS IN THE
MID 70S. SOUTHWEST WINDS 10 TO 15 MPH.
THURSDAY NIGHT
PARTLY CLOUDY WITH A CHANCE OF SHOWERS. LOWS IN
THE MID 60S. SOUTHWEST WINDS 5 TO 10 MPH.
FRIDAY
MOSTLY SUNNY. HIGHS IN THE MID 70S. WEST WINDS AROUND
5 MPH, BECOMING SOUTHWEST IN THE AFTERNOON.
MAZ024-182000-
NANTUCKET MA-
INCLUDING THE CITY OF NANTUCKET
408 AM EDT SAT JUL 18 2026
TODAY TONIGHT SUN
CLOUD COVER PCLDY CLOUDY PCLDY
PRECIP TYPE TSTMS TSTMS NONE
CHANCE PRECIP (%) 80 80 20
CHANCE OF THUNDER (%) 50 50 0
TEMP (24H TREND) 80 (+2) 69 (+5) 72
RH % (24H TREND) 65 (+23) 100 (+3) 66
20FT WND AM(MPH) S 8 G19 W 12 G24
20FT WND PM(MPH) S 12 G23 S 14 G28 W 9
PRECIP AMOUNT 0.48 1.20 0.00
PRECIP DURATION 2 7
PRECIP BEGIN 1 PM CONTINUING
PRECIP END CONTINUING 6 AM
MIXING HGT (FT-AGL) 1250 880 2400
TRANSPORT WND (KTS) S 21 SW 26 NW 17
VENT RATE (KT-FT) 26250 22880 40800
MAX ADI EARLY 19 GEN POOR 35 FAIR 57 GEN GOOD
MAX ADI LATE 33 FAIR 42 GEN GOOD 46 GEN GOOD
MAX LVORI EARLY 3 4 3
MAX LVORI LATE 3 4 3
MIN VSBY EARLY 6 SMOKE 2 FOG 9
MIN VSBY LATE 2 SMOKE 2 FOG 9
SUNSHINE HOURS N/A N/A N/A
CWR 100 100 0
REMARKS...NONE.
FORECAST FOR DAYS 3 THROUGH 7
SUNDAY NIGHT
MOSTLY CLEAR. LOWS IN THE LOWER 60S. WEST WINDS
5 TO 10 MPH, BECOMING NORTHWEST AFTER MIDNIGHT.
MONDAY
SUNNY. HIGHS IN THE LOWER 70S. NORTH WINDS AROUND
5 MPH, BECOMING SOUTHWEST IN THE AFTERNOON.
MONDAY NIGHT
PARTLY CLOUDY. LOWS IN THE MID 60S. SOUTH WINDS
5 TO 10 MPH.
TUESDAY
PARTLY SUNNY WITH A CHANCE OF SHOWERS. HIGHS AROUND
80. SOUTHEAST WINDS 10 TO 15 MPH.
TUESDAY NIGHT
BREEZY. SHOWERS AND A CHANCE OF THUNDERSTORMS.
LOWS IN THE UPPER 60S. SOUTH WINDS 15 TO 25 MPH.
WEDNESDAY AND WEDNESDAY NIGHT
BREEZY, SHOWERS. LOWS IN THE
UPPER 60S. HIGHS IN THE UPPER 70S. SOUTHWEST WINDS 15 TO 25 MPH.
THURSDAY AND THURSDAY NIGHT
MOSTLY CLOUDY. A CHANCE OF
SHOWERS. LOWS IN THE UPPER 60S. HIGHS IN THE MID 70S. WEST WINDS
10 TO 15 MPH.
FRIDAY
MOSTLY SUNNY WITH A CHANCE OF SHOWERS. HIGHS IN THE MID
70S. WEST WINDS AROUND 5 MPH, BECOMING SOUTHWEST IN THE
AFTERNOON.
OUTLOOK 8 TO 14 DAYS
TEMPERATURES BELOW NORMAL. PRECIPITATION ABOVE NORMAL.
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