409
FNUS51 KBOX 182010
FWFBOX
FIRE WEATHER PLANNING FORECAST FOR SOUTHERN NEW ENGLAND
NATIONAL WEATHER SERVICE BOSTON/NORTON MA
409 PM EDT SAT JUL 18 2026
DISCUSSION
PERIODS OF HEAVY RAINFALL OVERNIGHT WITH AREAS OF THUNDERSTORMS
AND STRONG WINDS. DRYING OUT BEFORE SUNDAY MORNING. SUNDAY IS
MUCH DRIER UNDER MOSTLY CLEAR SKIES. IT WILL BE BREEZY WITH NW
WINDS BETWEEN 10- 15 MPH. DRY WEATHER CONTINUES WITH DECREASING
NW WINDS.
LOWEST RELATIVE HUMIDITY VALUES SUNDAY ANTICIPATED BETWEEN
45-65 PERCENT ACROSS SOUTHERN NEW ENGLAND. SLIGHTLY LOWER VALUES
ARRIVE ON MONDAY WITH VALUES DROPPING TO BETWEEN 35 AND
40 PERCENT.
OUTLOOK...MONDAY NIGHT THROUGH THURSDAY
HIGH PRESSURE SHOULD BRIEFLY LEAD TO DRY WEATHER MONDAY. ANOTHER
ROUND OF SHOWERS AND THUNDERSTORMS IS POSSIBLE TOWARDS TUESDAY
AFTERNOON THROUGH WEDNESDAY.
MAZ015-190800-
SUFFOLK MA-
INCLUDING THE CITY OF BOSTON
409 PM EDT SAT JUL 18 2026
TONIGHT SUN SUN NIGHT MON
CLOUD COVER MCLDY MCLEAR CLEAR MCLEAR
PRECIP TYPE TSTMS NONE NONE NONE
CHANCE PRECIP (%) 60
CHANCE OF THUNDER (%) 30 0 0 0
TEMP (24H TREND) 68 (+3) 82 (-2) 60 84
RH % (24H TREND) 100 (+13) 39 (+16) 75 36
20FT WND AM(MPH) NW 9 LGT/VAR
20FT WND PM(MPH) SW 12 G26 NW 9 NW 5 SW 5
PRECIP AMOUNT 0.25 0.00 0.00 0.00
PRECIP DURATION 2
PRECIP BEGIN 6 PM
PRECIP END 2 AM
MIXING HGT (FT-AGL) 440 6040 410 7130
TRANSPORT WND (KTS) SW 20 NW 16 NW 7 SW 8
VENT RATE (KT-FT) 8800 96640 2870 57040
MAX ADI EARLY 21 FAIR 48 GEN GOOD 22 FAIR 50 GEN GOOD
MAX ADI LATE 16 GEN POOR 54 GEN GOOD 8 POOR 59 GEN GOOD
MAX LVORI EARLY 5 2 3 1
MAX LVORI LATE 5 2 3 1
MIN VSBY EARLY 2 SMOKE 9 9 9
MIN VSBY LATE 9 9 9 9
SUNSHINE HOURS N/A N/A N/A N/A
CWR 70 0 0 0
REMARKS...NONE.
FORECAST FOR DAYS 3 THROUGH 7
MONDAY NIGHT
PARTLY CLOUDY. LOWS IN THE MID 60S. SOUTH WINDS
5 TO 10 MPH.
TUESDAY
PARTLY SUNNY WITH A CHANCE OF SHOWERS. HIGHS IN THE
LOWER 80S. SOUTH WINDS 10 TO 15 MPH.
TUESDAY NIGHT
SHOWERS. 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 AROUND 80. WEST WINDS
10 TO 15 MPH.
THURSDAY
PARTLY SUNNY WITH A CHANCE OF SHOWERS. HIGHS IN THE
UPPER 70S. SOUTHWEST WINDS AROUND 5 MPH.
THURSDAY NIGHT
PARTLY CLOUDY. LOWS IN THE MID 60S. SOUTHWEST
WINDS AROUND 5 MPH, BECOMING NORTHWEST AFTER MIDNIGHT.
FRIDAY
SUNNY. HIGHS IN THE UPPER 70S. NORTH WINDS AROUND
5 MPH, BECOMING EAST AROUND 5 MPH IN THE AFTERNOON.
FRIDAY NIGHT AND SATURDAY
PARTLY CLOUDY. LOWS IN THE MID 60S.
HIGHS IN THE LOWER 80S. SOUTH WINDS AROUND 5 MPH.
MAZ016-190800-
EASTERN NORFOLK MA-
INCLUDING THE CITY OF QUINCY
409 PM EDT SAT JUL 18 2026
TONIGHT SUN SUN NIGHT MON
CLOUD COVER MCLDY MCLEAR CLEAR MCLEAR
PRECIP TYPE TSTMS NONE NONE NONE
CHANCE PRECIP (%) 70
CHANCE OF THUNDER (%) 30 0 0 0
TEMP (24H TREND) 67 (+5) 82 (-2) 59 84
RH % (24H TREND) 100 (+10) 38 (+10) 78 34
20FT WND AM(MPH) NW 9 LGT/VAR
20FT WND PM(MPH) SW 12 G27 NW 8 LGT/VAR LGT/VAR
PRECIP AMOUNT 0.31 0.00 0.00 0.00
PRECIP DURATION 3
PRECIP BEGIN 6 PM
PRECIP END 2 AM
MIXING HGT (FT-AGL) 440 6340 400 7070
TRANSPORT WND (KTS) SW 18 NW 15 NW 7 SW 8
VENT RATE (KT-FT) 7920 95100 2800 56560
MAX ADI EARLY 21 FAIR 49 GEN GOOD 44 GEN GOOD 45 GEN GOOD
MAX ADI LATE 16 GEN POOR 100 GOOD 8 POOR 58 GEN GOOD
MAX LVORI EARLY 5 1 3 1
MAX LVORI LATE 5 1 3 1
MIN VSBY EARLY 2 SMOKE 9 9 9
MIN VSBY LATE 9 9 9 9
SUNSHINE HOURS N/A N/A N/A N/A
CWR 70 0 0 0
REMARKS...NONE.
FORECAST FOR DAYS 3 THROUGH 7
MONDAY NIGHT
PARTLY CLOUDY. LOWS IN THE MID 60S. SOUTH WINDS
5 TO 10 MPH.
TUESDAY
PARTLY SUNNY WITH A CHANCE OF SHOWERS. 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 10 TO 15 MPH.
WEDNESDAY AND WEDNESDAY NIGHT
SHOWERS AND A CHANCE OF
THUNDERSTORMS. LOWS IN THE UPPER 60S. HIGHS IN THE LOWER 80S.
WEST WINDS 10 TO 15 MPH.
THURSDAY
PARTLY SUNNY WITH A CHANCE OF SHOWERS. HIGHS AROUND
80. SOUTHWEST WINDS AROUND 5 MPH.
THURSDAY NIGHT THROUGH SATURDAY
PARTLY CLOUDY. LOWS IN THE MID
60S. HIGHS IN THE LOWER 80S. SOUTH WINDS AROUND 5 MPH.
MAZ013-190800-
WESTERN NORFOLK MA-
INCLUDING THE CITIES OF FOXBOROUGH AND NORWOOD
409 PM EDT SAT JUL 18 2026
TONIGHT SUN SUN NIGHT MON
CLOUD COVER MCLDY MCLEAR CLEAR MCLEAR
PRECIP TYPE TSTMS NONE NONE NONE
CHANCE PRECIP (%) 70
CHANCE OF THUNDER (%) 40 0 0 0
TEMP (24H TREND) 65 (+5) 80 (-3) 57 82
RH % (24H TREND) 100 (0) 41 (+15) 86 36
20FT WND AM(MPH) NW 7 LGT/VAR
20FT WND PM(MPH) SW 9 G24 NW 7 LGT/VAR LGT/VAR
PRECIP AMOUNT 0.38 0.00 0.00 0.00
PRECIP DURATION 3
PRECIP BEGIN 6 PM
PRECIP END 2 AM
MIXING HGT (FT-AGL) 430 6460 410 7170
TRANSPORT WND (KTS) W 14 NW 15 NW 6 SW 8
VENT RATE (KT-FT) 6020 96900 2460 57360
MAX ADI EARLY 19 GEN POOR 85 GOOD 96 GOOD 50 GEN GOOD
MAX ADI LATE 15 GEN POOR 105 VERY GOOD7 POOR 72 GOOD
MAX LVORI EARLY 5 1 4 1
MAX LVORI LATE 5 1 4 1
MIN VSBY EARLY 2 SMOKE 9 9 9
MIN VSBY LATE 9 9 9 9
SUNSHINE HOURS N/A N/A N/A N/A
CWR 80 0 0 0
REMARKS...NONE.
FORECAST FOR DAYS 3 THROUGH 7
MONDAY NIGHT
PARTLY CLOUDY. LOWS IN THE LOWER 60S. SOUTH WINDS
AROUND 5 MPH.
TUESDAY
PARTLY SUNNY WITH A CHANCE OF SHOWERS. 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
SHOWERS AND A CHANCE OF THUNDERSTORMS. HIGHS AROUND
80. SOUTHWEST WINDS 5 TO 10 MPH.
WEDNESDAY NIGHT
MOSTLY CLOUDY WITH SHOWERS LIKELY AND A CHANCE
OF THUNDERSTORMS. LOWS IN THE LOWER 60S. SOUTHWEST 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 THROUGH SATURDAY
PARTLY CLOUDY. LOWS IN THE
LOWER 60S. HIGHS IN THE LOWER 80S. SOUTHWEST WINDS AROUND 5 MPH.
MAZ014-190800-
SOUTHEAST MIDDLESEX MA-
INCLUDING THE CITY OF CAMBRIDGE
409 PM EDT SAT JUL 18 2026
TONIGHT SUN SUN NIGHT MON
CLOUD COVER MCLDY MCLEAR CLEAR MCLEAR
PRECIP TYPE TSTMS NONE NONE NONE
CHANCE PRECIP (%) 60
CHANCE OF THUNDER (%) 30 0 0 0
TEMP (24H TREND) 67 (+4) 82 (-3) 58 84
RH % (24H TREND) 100 (+16) 38 (+10) 75 34
20FT WND AM(MPH) NW 9 G17 LGT/VAR
20FT WND PM(MPH) SW 10 G25 NW 9 G17 LGT/VAR SW 5
PRECIP AMOUNT 0.28 0.00 0.00 0.00
PRECIP DURATION 2
PRECIP BEGIN 6 PM
PRECIP END 1 AM
MIXING HGT (FT-AGL) 440 6660 410 7430
TRANSPORT WND (KTS) W 15 NW 17 NW 7 SW 8
VENT RATE (KT-FT) 6600 113220 2870 59440
MAX ADI EARLY 23 FAIR 57 GEN GOOD 104 VERY GOOD61 GOOD
MAX ADI LATE 16 GEN POOR 105 VERY GOOD8 POOR 75 GOOD
MAX LVORI EARLY 5 1 3 1
MAX LVORI LATE 5 1 3 1
MIN VSBY EARLY 2 SMOKE 9 9 9
MIN VSBY LATE 9 9 9 9
SUNSHINE HOURS N/A N/A N/A N/A
CWR 60 0 0 0
REMARKS...NONE.
FORECAST FOR DAYS 3 THROUGH 7
MONDAY NIGHT
PARTLY CLOUDY. LOWS IN THE MID 60S. SOUTH WINDS
AROUND 5 MPH.
TUESDAY
PARTLY SUNNY WITH A CHANCE OF SHOWERS. HIGHS IN THE
MID 80S. SOUTH WINDS 5 TO 10 MPH.
TUESDAY NIGHT
SHOWERS. LOWS IN THE UPPER 60S. SOUTHEAST WINDS
5 TO 10 MPH.
WEDNESDAY AND WEDNESDAY NIGHT
SHOWERS AND A CHANCE OF
THUNDERSTORMS. LOWS IN THE UPPER 60S. HIGHS IN THE LOWER 80S.
WEST 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
PARTLY CLOUDY. LOWS IN THE LOWER 60S. SOUTHWEST
WINDS AROUND 5 MPH, BECOMING NORTHWEST AFTER MIDNIGHT.
FRIDAY AND FRIDAY NIGHT
MOSTLY CLEAR. LOWS IN THE MID 60S.
HIGHS IN THE LOWER 80S. SOUTHWEST WINDS AROUND 5 MPH.
SATURDAY
MOSTLY SUNNY. HIGHS IN THE MID 80S. SOUTHWEST WINDS
AROUND 5 MPH, BECOMING SOUTH AROUND 5 MPH IN THE AFTERNOON.
MAZ007-190800-
EASTERN ESSEX MA-
INCLUDING THE CITY OF GLOUCESTER
409 PM EDT SAT JUL 18 2026
TONIGHT SUN SUN NIGHT MON
CLOUD COVER MCLDY MCLEAR CLEAR MCLEAR
PRECIP TYPE TSTMS NONE NONE NONE
CHANCE PRECIP (%) 60
CHANCE OF THUNDER (%) 30 0 0 0
TEMP (24H TREND) 66 (+5) 82 (-1) 60 84
RH % (24H TREND) 100 (+3) 38 (+14) 75 35
20FT WND AM(MPH) NW 9 G17 LGT/VAR
20FT WND PM(MPH) SW 11 G28 NW 9 G18 NW 5 SW 5
PRECIP AMOUNT 0.30 0.00 0.00 0.00
PRECIP DURATION 1
PRECIP BEGIN 6 PM
PRECIP END 1 AM
MIXING HGT (FT-AGL) 430 5190 410 6460
TRANSPORT WND (KTS) SW 18 NW 17 NW 8 SW 7
VENT RATE (KT-FT) 7740 88230 3280 45220
MAX ADI EARLY 21 FAIR 48 GEN GOOD 16 GEN POOR 44 GEN GOOD
MAX ADI LATE 19 GEN POOR 48 GEN GOOD 9 POOR 49 GEN GOOD
MAX LVORI EARLY 5 2 3 2
MAX LVORI LATE 5 2 3 2
MIN VSBY EARLY 1 SMOKE 9 9 9
MIN VSBY LATE 9 9 9 9
SUNSHINE HOURS N/A N/A N/A N/A
CWR 60 0 0 0
REMARKS...NONE.
FORECAST FOR DAYS 3 THROUGH 7
MONDAY NIGHT
PARTLY CLOUDY. LOWS IN THE MID 60S. SOUTH WINDS
5 TO 10 MPH.
TUESDAY
PARTLY SUNNY WITH A CHANCE OF SHOWERS. HIGHS IN THE
LOWER 80S. SOUTH WINDS 10 TO 15 MPH.
TUESDAY NIGHT
SHOWERS. LOWS IN THE UPPER 60S. SOUTHEAST WINDS
10 TO 15 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
UPPER 70S. SOUTHWEST WINDS 5 TO 10 MPH.
THURSDAY NIGHT
PARTLY CLOUDY. LOWS IN THE MID 60S. SOUTHWEST
WINDS AROUND 5 MPH, BECOMING NORTHWEST AFTER MIDNIGHT.
FRIDAY
SUNNY. HIGHS IN THE UPPER 70S. NORTH WINDS AROUND
5 MPH, BECOMING EAST IN THE AFTERNOON.
FRIDAY NIGHT AND SATURDAY
PARTLY CLOUDY. LOWS IN THE MID 60S.
HIGHS IN THE LOWER 80S. SOUTH WINDS AROUND 5 MPH.
MAZ006-190800-
WESTERN ESSEX MA-
INCLUDING THE CITY OF LAWRENCE
409 PM EDT SAT JUL 18 2026
TONIGHT SUN SUN NIGHT MON
CLOUD COVER MCLDY MCLEAR CLEAR MCLEAR
PRECIP TYPE TSTMS NONE NONE NONE
CHANCE PRECIP (%) 60
CHANCE OF THUNDER (%) 30 0 0 0
TEMP (24H TREND) 64 (+5) 80 (-5) 57 83
RH % (24H TREND) 100 (+3) 38 (+16) 77 34
20FT WND AM(MPH) NW 8 G18 LGT/VAR
20FT WND PM(MPH) SW 9 G25 NW 8 G19 LGT/VAR LGT/VAR
PRECIP AMOUNT 0.32 0.00 0.00 0.00
PRECIP DURATION 2
PRECIP BEGIN 6 PM
PRECIP END 1 AM
MIXING HGT (FT-AGL) 440 6520 410 7730
TRANSPORT WND (KTS) SW 16 NW 17 NW 7 SW 9
VENT RATE (KT-FT) 7040 110840 2870 69570
MAX ADI EARLY 19 GEN POOR 67 GOOD 102 VERY GOOD69 GOOD
MAX ADI LATE 17 GEN POOR 105 VERY GOOD8 POOR 89 GOOD
MAX LVORI EARLY 6 1 3 1
MAX LVORI LATE 6 1 3 1
MIN VSBY EARLY 1 SMOKE 9 9 9
MIN VSBY LATE 9 9 9 9
SUNSHINE HOURS N/A N/A N/A N/A
CWR 60 0 0 0
REMARKS...NONE.
FORECAST FOR DAYS 3 THROUGH 7
MONDAY NIGHT
PARTLY CLOUDY. LOWS IN THE LOWER 60S. SOUTH WINDS
AROUND 5 MPH.
TUESDAY
PARTLY SUNNY WITH A CHANCE OF SHOWERS. HIGHS IN THE
LOWER 80S. SOUTH WINDS 5 TO 10 MPH.
TUESDAY NIGHT
SHOWERS. LOWS IN THE MID 60S. SOUTHEAST 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 AROUND
80. WEST WINDS AROUND 5 MPH.
THURSDAY NIGHT
PARTLY CLOUDY. LOWS IN THE LOWER 60S. WEST
WINDS AROUND 5 MPH.
FRIDAY AND FRIDAY NIGHT
MOSTLY CLEAR. LOWS IN THE LOWER 60S.
HIGHS IN THE LOWER 80S. SOUTHWEST WINDS AROUND 5 MPH.
SATURDAY
MOSTLY SUNNY. HIGHS IN THE MID 80S. SOUTHWEST WINDS
AROUND 5 MPH, BECOMING SOUTH AROUND 5 MPH IN THE AFTERNOON.
MAZ005-190800-
CENTRAL MIDDLESEX MA-
INCLUDING THE CITIES OF FRAMINGHAM AND LOWELL
409 PM EDT SAT JUL 18 2026
TONIGHT SUN SUN NIGHT MON
CLOUD COVER MCLDY MCLEAR CLEAR MCLEAR
PRECIP TYPE TSTMS NONE NONE NONE
CHANCE PRECIP (%) 60
CHANCE OF THUNDER (%) 40 0 0 0
TEMP (24H TREND) 64 (+4) 80 (-4) 57 83
RH % (24H TREND) 100 (+3) 38 (+13) 83 34
20FT WND AM(MPH) NW 7 G17 LGT/VAR
20FT WND PM(MPH) SW 9 G25 NW 7 G18 LGT/VAR LGT/VAR
PRECIP AMOUNT 0.33 0.00 0.00 0.00
PRECIP DURATION 2
PRECIP BEGIN 6 PM
PRECIP END 1 AM
MIXING HGT (FT-AGL) 440 6510 410 7540
TRANSPORT WND (KTS) SW 14 NW 17 NW 6 SW 9
VENT RATE (KT-FT) 6160 110670 2460 67860
MAX ADI EARLY 22 FAIR 94 GOOD 105 VERY GOOD65 GOOD
MAX ADI LATE 15 GEN POOR 105 VERY GOOD7 POOR 84 GOOD
MAX LVORI EARLY 7 1 4 1
MAX LVORI LATE 7 1 4 1
MIN VSBY EARLY 2 SMOKE 9 9 9
MIN VSBY LATE 9 9 9 9
SUNSHINE HOURS N/A N/A N/A N/A
CWR 70 0 0 0
REMARKS...NONE.
FORECAST FOR DAYS 3 THROUGH 7
MONDAY NIGHT
PARTLY CLOUDY. LOWS IN THE LOWER 60S. SOUTHWEST
WINDS AROUND 5 MPH.
TUESDAY
PARTLY SUNNY WITH A CHANCE OF SHOWERS. HIGHS IN THE
LOWER 80S. SOUTH WINDS 5 TO 10 MPH.
TUESDAY NIGHT
SHOWERS. LOWS IN THE MID 60S. SOUTHEAST WINDS
5 TO 10 MPH.
WEDNESDAY
SHOWERS AND A CHANCE OF THUNDERSTORMS. HIGHS IN THE
LOWER 80S. SOUTHWEST WINDS 5 TO 10 MPH.
WEDNESDAY NIGHT
MOSTLY CLOUDY WITH SHOWERS LIKELY AND A CHANCE
OF THUNDERSTORMS. LOWS IN THE LOWER 60S. SOUTHWEST WINDS 5 TO
10 MPH.
THURSDAY
MOSTLY SUNNY WITH A CHANCE OF SHOWERS. HIGHS AROUND
80. WEST WINDS AROUND 5 MPH.
THURSDAY NIGHT
PARTLY CLOUDY. LOWS AROUND 60. WEST WINDS
AROUND 5 MPH.
FRIDAY AND FRIDAY NIGHT
MOSTLY CLEAR. LOWS IN THE LOWER 60S.
HIGHS IN THE LOWER 80S. SOUTHWEST WINDS AROUND 5 MPH.
SATURDAY
MOSTLY SUNNY. HIGHS IN THE MID 80S. SOUTHWEST WINDS
AROUND 5 MPH.
MAZ012-190800-
SOUTHERN WORCESTER MA-
INCLUDING THE CITIES OF MILFORD AND WORCESTER
409 PM EDT SAT JUL 18 2026
TONIGHT SUN SUN NIGHT MON
CLOUD COVER MCLDY MCLEAR CLEAR MCLEAR
PRECIP TYPE TSTMS NONE NONE NONE
CHANCE PRECIP (%) 80
CHANCE OF THUNDER (%) 40 0 0 0
TEMP (24H TREND) 63 (+3) 79 (-2) 55 81
RH % (24H TREND) 100 (0) 44 (+9) 90 38
20FT WND AM(MPH) NW 8 G17 LGT/VAR
20FT WND PM(MPH) SW 9 G23 NW 8 G17 LGT/VAR LGT/VAR
PRECIP AMOUNT 0.44 0.00 0.00 0.00
PRECIP DURATION 3
PRECIP BEGIN 6 PM
PRECIP END 2 AM
MIXING HGT (FT-AGL) 440 6140 410 6870
TRANSPORT WND (KTS) W 14 NW 15 NW 7 SW 8
VENT RATE (KT-FT) 6160 92100 2870 54960
MAX ADI EARLY 17 GEN POOR 83 GOOD 95 GOOD 55 GEN GOOD
MAX ADI LATE 14 GEN POOR 105 VERY GOOD8 POOR 73 GOOD
MAX LVORI EARLY 7 1 5 1
MAX LVORI LATE 7 1 5 1
MIN VSBY EARLY 1 SMOKE 9 9 9
MIN VSBY LATE 9 9 9 9
SUNSHINE HOURS N/A N/A N/A N/A
CWR 80 0 0 0
REMARKS...NONE.
FORECAST FOR DAYS 3 THROUGH 7
MONDAY NIGHT
PARTLY CLOUDY. LOWS AROUND 60. SOUTHWEST WINDS
AROUND 5 MPH.
TUESDAY
MOSTLY CLOUDY 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
SHOWERS AND A CHANCE OF THUNDERSTORMS. HIGHS IN THE
UPPER 70S. SOUTHWEST WINDS 5 TO 10 MPH.
WEDNESDAY NIGHT
MOSTLY CLOUDY WITH SHOWERS LIKELY AND A CHANCE
OF THUNDERSTORMS. LOWS IN THE LOWER 60S. WEST WINDS 5 TO 10 MPH.
THURSDAY AND THURSDAY NIGHT
PARTLY CLOUDY. LOWS IN THE LOWER
60S. HIGHS IN THE UPPER 70S. NORTHWEST WINDS AROUND 5 MPH.
FRIDAY
SUNNY. HIGHS IN THE LOWER 80S. NORTH WINDS AROUND
5 MPH.
FRIDAY NIGHT AND SATURDAY
PARTLY CLOUDY. LOWS IN THE LOWER
60S. HIGHS IN THE LOWER 80S. SOUTHWEST WINDS AROUND 5 MPH.
MAZ004-190800-
NORTHERN WORCESTER MA-
INCLUDING THE CITIES OF BARRE AND FITCHBURG
409 PM EDT SAT JUL 18 2026
TONIGHT SUN SUN NIGHT MON
CLOUD COVER MCLDY MCLEAR CLEAR MCLEAR
PRECIP TYPE TSTMS NONE NONE NONE
CHANCE PRECIP (%) 70
CHANCE OF THUNDER (%) 40 0 0 0
TEMP (24H TREND) 60 (+1) 78 (-2) 52 80
RH % (24H TREND) 100 (0) 42 (+16) 93 37
20FT WND AM(MPH) NW 8 G18 LGT/VAR
20FT WND PM(MPH) SW 10 G24 NW 8 G19 LGT/VAR LGT/VAR
PRECIP AMOUNT 0.49 0.00 0.00 0.00
PRECIP DURATION 4
PRECIP BEGIN 6 PM
PRECIP END 1 AM
MIXING HGT (FT-AGL) 440 6140 410 6710
TRANSPORT WND (KTS) SW 13 NW 15 NW 6 SW 9
VENT RATE (KT-FT) 5720 92100 2460 60390
MAX ADI EARLY 15 GEN POOR 52 GEN GOOD 95 GOOD 53 GEN GOOD
MAX ADI LATE 14 GEN POOR 105 VERY GOOD7 POOR 77 GOOD
MAX LVORI EARLY 7 1 5 1
MAX LVORI LATE 7 1 5 1
MIN VSBY EARLY 1 SMOKE 9 9 9
MIN VSBY LATE 9 9 9 9
SUNSHINE HOURS N/A N/A N/A N/A
CWR 80 0 0 0
REMARKS...NONE.
FORECAST FOR DAYS 3 THROUGH 7
MONDAY NIGHT
PARTLY CLOUDY. LOWS IN THE UPPER 50S. SOUTHWEST
WINDS AROUND 5 MPH.
TUESDAY
PARTLY SUNNY WITH A CHANCE OF SHOWERS. HIGHS AROUND
80. SOUTH WINDS 5 TO 10 MPH.
TUESDAY NIGHT
SHOWERS. LOWS IN THE LOWER 60S. SOUTH WINDS 5 TO
10 MPH.
WEDNESDAY
SHOWERS AND A CHANCE OF THUNDERSTORMS. HIGHS IN THE
UPPER 70S. SOUTHWEST WINDS 5 TO 10 MPH.
WEDNESDAY NIGHT
MOSTLY CLOUDY WITH SHOWERS LIKELY AND A CHANCE
OF THUNDERSTORMS. LOWS IN THE UPPER 50S. WEST WINDS 5 TO 10 MPH.
THURSDAY
MOSTLY SUNNY. HIGHS IN THE UPPER 70S. WEST WINDS
AROUND 5 MPH.
THURSDAY NIGHT THROUGH FRIDAY NIGHT
MOSTLY CLEAR. LOWS IN THE
UPPER 50S. HIGHS AROUND 80. SOUTHWEST WINDS AROUND 5 MPH.
SATURDAY
MOSTLY SUNNY. HIGHS IN THE LOWER 80S. SOUTHWEST WINDS
AROUND 5 MPH.
MAZ026-190800-
NORTHERN MIDDLESEX MA-
INCLUDING THE CITY OF AYER
409 PM EDT SAT JUL 18 2026
TONIGHT SUN SUN NIGHT MON
CLOUD COVER MCLDY MCLEAR CLEAR MCLEAR
PRECIP TYPE TSTMS NONE NONE NONE
CHANCE PRECIP (%) 70
CHANCE OF THUNDER (%) 30 0 0 0
TEMP (24H TREND) 62 (+3) 80 (-2) 55 83
RH % (24H TREND) 100 (+3) 42 (+9) 80 37
20FT WND AM(MPH) NW 7 G19 LGT/VAR
20FT WND PM(MPH) SW 9 G23 NW 7 G19 LGT/VAR LGT/VAR
PRECIP AMOUNT 0.33 0.00 0.00 0.00
PRECIP DURATION 3
PRECIP BEGIN 6 PM
PRECIP END 1 AM
MIXING HGT (FT-AGL) 440 6460 420 7500
TRANSPORT WND (KTS) W 13 NW 17 NW 7 W 9
VENT RATE (KT-FT) 5720 109820 2940 67500
MAX ADI EARLY 15 GEN POOR 101 VERY GOOD105 VERY GOOD66 GOOD
MAX ADI LATE 14 GEN POOR 105 VERY GOOD8 POOR 91 GOOD
MAX LVORI EARLY 8 1 4 1
MAX LVORI LATE 8 1 4 1
MIN VSBY EARLY 2 SMOKE 9 9 9
MIN VSBY LATE 9 9 9 9
SUNSHINE HOURS N/A N/A N/A N/A
CWR 80 0 0 0
REMARKS...NONE.
FORECAST FOR DAYS 3 THROUGH 7
MONDAY NIGHT
PARTLY CLOUDY. LOWS IN THE UPPER 50S. SOUTHWEST
WINDS AROUND 5 MPH.
TUESDAY
PARTLY SUNNY WITH A CHANCE OF SHOWERS. HIGHS IN THE
LOWER 80S. SOUTH WINDS 5 TO 10 MPH.
TUESDAY NIGHT
SHOWERS. LOWS IN THE MID 60S. SOUTHEAST WINDS
AROUND 5 MPH.
WEDNESDAY
SHOWERS AND A CHANCE OF THUNDERSTORMS. HIGHS AROUND
80. SOUTHWEST WINDS 5 TO 10 MPH.
WEDNESDAY NIGHT
MOSTLY CLOUDY WITH SHOWERS LIKELY AND A CHANCE
OF THUNDERSTORMS. LOWS AROUND 60. WEST WINDS 5 TO 10 MPH.
THURSDAY
MOSTLY SUNNY. HIGHS IN THE UPPER 70S. WEST WINDS
AROUND 5 MPH.
THURSDAY NIGHT THROUGH FRIDAY NIGHT
MOSTLY CLEAR. LOWS AROUND
60. HIGHS IN THE LOWER 80S. WEST WINDS AROUND 5 MPH.
SATURDAY
MOSTLY SUNNY. HIGHS IN THE MID 80S. SOUTHWEST WINDS
AROUND 5 MPH.
MAZ002-190800-
WESTERN FRANKLIN MA-
INCLUDING THE CITY OF CHARLEMONT
409 PM EDT SAT JUL 18 2026
TONIGHT SUN SUN NIGHT MON
CLOUD COVER MCLDY MCLEAR CLEAR MCLEAR
PRECIP TYPE TSTMS NONE NONE NONE
CHANCE PRECIP (%) 80
CHANCE OF THUNDER (%) 50 0 0 0
TEMP (24H TREND) 57 (-3) 75 (-3) 51 79
RH % (24H TREND) 100 (0) 42 (+5) 86 38
20FT WND AM(MPH) NW 7 G19 LGT/VAR
20FT WND PM(MPH) SW 7 G19 NW 6 G17 LGT/VAR LGT/VAR
PRECIP AMOUNT 0.48 0.00 0.00 0.00
PRECIP DURATION 4
PRECIP BEGIN 6 PM
PRECIP END 1 AM
MIXING HGT (FT-AGL) 450 5830 420 6600
TRANSPORT WND (KTS) W 13 NW 16 NW 7 W 8
VENT RATE (KT-FT) 5850 93280 2940 52800
MAX ADI EARLY 30 FAIR 91 GOOD 99 GOOD 53 GEN GOOD
MAX ADI LATE 13 GEN POOR 105 VERY GOOD4 VERY POOR 79 GOOD
MAX LVORI EARLY 7 1 5 1
MAX LVORI LATE 7 1 5 1
MIN VSBY EARLY 1 FOG 9 9 9
MIN VSBY LATE 9 9 9 9
SUNSHINE HOURS N/A N/A N/A N/A
CWR 90 0 0 0
REMARKS...NONE.
FORECAST FOR DAYS 3 THROUGH 7
MONDAY NIGHT
PARTLY CLOUDY. LOWS IN THE MID 50S. 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 LOWER 60S. SOUTH WINDS 5 TO 10 MPH.
WEDNESDAY
SHOWERS AND A CHANCE OF THUNDERSTORMS. HIGHS IN THE
MID 70S. SOUTHWEST WINDS AROUND 5 MPH.
WEDNESDAY NIGHT
MOSTLY CLOUDY WITH SHOWERS LIKELY AND A CHANCE
OF THUNDERSTORMS. LOWS IN THE MID 50S. WEST WINDS 5 TO 10 MPH.
THURSDAY
MOSTLY SUNNY. HIGHS IN THE MID 70S. WEST WINDS AROUND
5 MPH.
THURSDAY NIGHT THROUGH FRIDAY NIGHT
MOSTLY CLEAR. LOWS IN THE
MID 50S. HIGHS IN THE UPPER 70S. WEST WINDS AROUND 5 MPH.
SATURDAY
MOSTLY SUNNY. HIGHS AROUND 80. SOUTHWEST WINDS AROUND
5 MPH.
MAZ003-190800-
EASTERN FRANKLIN MA-
INCLUDING THE CITIES OF GREENFIELD AND ORANGE
409 PM EDT SAT JUL 18 2026
TONIGHT SUN SUN NIGHT MON
CLOUD COVER MCLDY MCLEAR CLEAR MCLEAR
PRECIP TYPE TSTMS NONE NONE NONE
CHANCE PRECIP (%) 80
CHANCE OF THUNDER (%) 40 0 0 0
TEMP (24H TREND) 61 (0) 79 (0) 52 82
RH % (24H TREND) 100 (0) 40 (+14) 93 35
20FT WND AM(MPH) NW 7 LGT/VAR
20FT WND PM(MPH) SW 9 G23 NW 8 G17 LGT/VAR LGT/VAR
PRECIP AMOUNT 0.55 0.00 0.00 0.00
PRECIP DURATION 4
PRECIP BEGIN 6 PM
PRECIP END 1 AM
MIXING HGT (FT-AGL) 440 6320 400 6610
TRANSPORT WND (KTS) SW 10 NW 15 NW 5 W 8
VENT RATE (KT-FT) 4400 94800 2000 52880
MAX ADI EARLY 12 POOR 95 GOOD 90 GOOD 45 GEN GOOD
MAX ADI LATE 12 POOR 105 VERY GOOD3 VERY POOR 77 GOOD
MAX LVORI EARLY 8 1 6 1
MAX LVORI LATE 8 1 6 1
MIN VSBY EARLY 1 FOG 9 9 9
MIN VSBY LATE 9 9 9 9
SUNSHINE HOURS N/A N/A N/A N/A
CWR 90 0 0 0
REMARKS...NONE.
FORECAST FOR DAYS 3 THROUGH 7
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
SHOWERS AND A CHANCE OF THUNDERSTORMS. HIGHS IN THE
UPPER 70S. SOUTHWEST WINDS 5 TO 10 MPH.
WEDNESDAY NIGHT
MOSTLY CLOUDY WITH SHOWERS LIKELY AND A CHANCE
OF THUNDERSTORMS. LOWS IN THE UPPER 50S. 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 MID 50S.
HIGHS IN THE LOWER 80S. NORTHWEST WINDS AROUND 5 MPH.
FRIDAY NIGHT AND SATURDAY
PARTLY CLOUDY. LOWS IN THE UPPER
50S. HIGHS IN THE LOWER 80S. SOUTHWEST WINDS AROUND 5 MPH.
MAZ008-190800-
WESTERN HAMPSHIRE MA-
INCLUDING THE CITY OF CHESTERFIELD
409 PM EDT SAT JUL 18 2026
TONIGHT SUN SUN NIGHT MON
CLOUD COVER MCLDY MCLEAR MCLEAR MCLEAR
PRECIP TYPE TSTMS NONE NONE NONE
CHANCE PRECIP (%) 80
CHANCE OF THUNDER (%) 40 0 0 0
TEMP (24H TREND) 58 (0) 75 (-3) 51 78
RH % (24H TREND) 100 (0) 45 (+6) 89 39
20FT WND AM(MPH) NW 9 G20 LGT/VAR
20FT WND PM(MPH) SW 8 G21 NW 8 G18 LGT/VAR LGT/VAR
PRECIP AMOUNT 0.59 0.00 0.00 0.00
PRECIP DURATION 4
PRECIP BEGIN 6 PM
PRECIP END 1 AM
MIXING HGT (FT-AGL) 460 5690 430 6460
TRANSPORT WND (KTS) SW 12 NW 16 NW 8 W 8
VENT RATE (KT-FT) 5520 91040 3440 51680
MAX ADI EARLY 12 POOR 52 GEN GOOD 95 GOOD 49 GEN GOOD
MAX ADI LATE 13 GEN POOR 105 VERY GOOD4 VERY POOR 72 GOOD
MAX LVORI EARLY 6 1 5 1
MAX LVORI LATE 6 1 5 1
MIN VSBY EARLY 2 FOG 9 9 9
MIN VSBY LATE 9 9 9 9
SUNSHINE HOURS N/A N/A N/A N/A
CWR 90 0 0 0
REMARKS...NONE.
FORECAST FOR DAYS 3 THROUGH 7
MONDAY NIGHT
PARTLY CLOUDY. LOWS IN THE UPPER 50S. 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
SHOWERS AND A CHANCE OF THUNDERSTORMS. HIGHS IN THE
MID 70S. SOUTHWEST WINDS 5 TO 10 MPH.
WEDNESDAY NIGHT
MOSTLY CLOUDY WITH SHOWERS LIKELY AND A CHANCE
OF THUNDERSTORMS. LOWS IN THE MID 50S. WEST WINDS 5 TO 10 MPH.
THURSDAY
MOSTLY SUNNY. HIGHS IN THE MID 70S. NORTHWEST WINDS
AROUND 5 MPH.
THURSDAY NIGHT AND FRIDAY
MOSTLY CLEAR. LOWS IN THE MID 50S.
HIGHS IN THE UPPER 70S. NORTHWEST WINDS AROUND 5 MPH.
FRIDAY NIGHT AND SATURDAY
PARTLY CLOUDY. LOWS IN THE UPPER
50S. HIGHS AROUND 80. SOUTHWEST WINDS AROUND 5 MPH.
MAZ010-190800-
EASTERN HAMPSHIRE MA-
INCLUDING THE CITIES OF AMHERST AND NORTHAMPTON
409 PM EDT SAT JUL 18 2026
TONIGHT SUN SUN NIGHT MON
CLOUD COVER MCLDY MCLEAR CLEAR MCLEAR
PRECIP TYPE TSTMS NONE NONE NONE
CHANCE PRECIP (%) 80
CHANCE OF THUNDER (%) 40 0 0 0
TEMP (24H TREND) 62 (+2) 80 (0) 54 83
RH % (24H TREND) 100 (0) 42 (+13) 93 36
20FT WND AM(MPH) NW 9 G17 LGT/VAR
20FT WND PM(MPH) SW 9 G23 NW 9 G18 LGT/VAR LGT/VAR
PRECIP AMOUNT 0.55 0.00 0.00 0.00
PRECIP DURATION 4
PRECIP BEGIN 6 PM
PRECIP END 1 AM
MIXING HGT (FT-AGL) 440 6130 390 6720
TRANSPORT WND (KTS) W 10 NW 15 NW 4 SW 8
VENT RATE (KT-FT) 4400 91950 1560 53760
MAX ADI EARLY 12 POOR 50 GEN GOOD 79 GOOD 44 GEN GOOD
MAX ADI LATE 11 POOR 58 GEN GOOD 3 VERY POOR 71 GOOD
MAX LVORI EARLY 8 1 6 1
MAX LVORI LATE 8 1 6 1
MIN VSBY EARLY 1 SMOKE 9 9 8
MIN VSBY LATE 9 9 9 9
SUNSHINE HOURS N/A N/A N/A N/A
CWR 90 0 0 0
REMARKS...NONE.
FORECAST FOR DAYS 3 THROUGH 7
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 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
SHOWERS AND A CHANCE OF THUNDERSTORMS. HIGHS IN THE
UPPER 70S. SOUTHWEST WINDS 5 TO 10 MPH.
WEDNESDAY NIGHT
MOSTLY CLOUDY WITH SHOWERS LIKELY AND A CHANCE
OF THUNDERSTORMS. LOWS IN THE UPPER 50S. 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 LOWER 80S. NORTHWEST WINDS AROUND 5 MPH.
FRIDAY NIGHT AND SATURDAY
PARTLY CLOUDY. LOWS AROUND 60. HIGHS
IN THE MID 80S. SOUTHWEST WINDS AROUND 5 MPH.
MAZ009-190800-
WESTERN HAMPDEN MA-
INCLUDING THE CITY OF BLANDFORD
409 PM EDT SAT JUL 18 2026
TONIGHT SUN SUN NIGHT MON
CLOUD COVER MCLDY MCLEAR MCLEAR MCLEAR
PRECIP TYPE TSTMS NONE NONE NONE
CHANCE PRECIP (%) 80
CHANCE OF THUNDER (%) 40 0 0 0
TEMP (24H TREND) 59 (-1) 76 (-2) 52 80
RH % (24H TREND) 100 (0) 48 (+14) 93 39
20FT WND AM(MPH) NW 9 G19 LGT/VAR
20FT WND PM(MPH) SW 8 G21 NW 8 G18 NW 5 LGT/VAR
PRECIP AMOUNT 0.63 0.00 0.00 0.00
PRECIP DURATION 4
PRECIP BEGIN 6 PM
PRECIP END 1 AM
MIXING HGT (FT-AGL) 460 5470 430 6510
TRANSPORT WND (KTS) SW 13 NW 16 NW 8 W 7
VENT RATE (KT-FT) 5980 87520 3440 45570
MAX ADI EARLY 13 GEN POOR 51 GEN GOOD 97 GOOD 45 GEN GOOD
MAX ADI LATE 13 GEN POOR 105 VERY GOOD5 VERY POOR 69 GOOD
MAX LVORI EARLY 6 1 5 1
MAX LVORI LATE 6 1 5 1
MIN VSBY EARLY 1 FOG 9 9 9
MIN VSBY LATE 9 9 9 9
SUNSHINE HOURS N/A N/A N/A N/A
CWR 90 0 0 0
REMARKS...NONE.
FORECAST FOR DAYS 3 THROUGH 7
MONDAY NIGHT
PARTLY CLOUDY. LOWS IN THE UPPER 50S. 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
SHOWERS AND A CHANCE OF THUNDERSTORMS. HIGHS IN THE
UPPER 70S. SOUTHWEST WINDS 5 TO 10 MPH.
WEDNESDAY NIGHT
MOSTLY CLOUDY WITH SHOWERS LIKELY AND A CHANCE
OF THUNDERSTORMS. LOWS IN THE UPPER 50S. WEST WINDS 5 TO 10 MPH.
THURSDAY
MOSTLY SUNNY. HIGHS IN THE MID 70S. NORTHWEST WINDS
AROUND 5 MPH.
THURSDAY NIGHT AND FRIDAY
MOSTLY CLEAR. LOWS IN THE UPPER 50S.
HIGHS IN THE UPPER 70S. NORTHWEST WINDS AROUND 5 MPH.
FRIDAY NIGHT AND SATURDAY
PARTLY CLOUDY. LOWS IN THE UPPER
50S. HIGHS IN THE LOWER 80S. SOUTHWEST WINDS AROUND 5 MPH.
MAZ011-190800-
EASTERN HAMPDEN MA-
INCLUDING THE CITY OF SPRINGFIELD
409 PM EDT SAT JUL 18 2026
TONIGHT SUN SUN NIGHT MON
CLOUD COVER MCLDY MCLEAR CLEAR MCLEAR
PRECIP TYPE TSTMS NONE NONE NONE
CHANCE PRECIP (%) 80
CHANCE OF THUNDER (%) 40 0 0 0
TEMP (24H TREND) 62 (+1) 79 (-2) 54 82
RH % (24H TREND) 100 (0) 42 (+15) 90 36
20FT WND AM(MPH) NW 9 G18 LGT/VAR
20FT WND PM(MPH) SW 10 G24 NW 9 G18 NW 5 LGT/VAR
PRECIP AMOUNT 0.58 0.00 0.00 0.00
PRECIP DURATION 4
PRECIP BEGIN 6 PM
PRECIP END 1 AM
MIXING HGT (FT-AGL) 440 6120 400 6720
TRANSPORT WND (KTS) W 11 NW 15 N 5 SW 8
VENT RATE (KT-FT) 4840 91800 2000 53760
MAX ADI EARLY 13 GEN POOR 48 GEN GOOD 89 GOOD 38 FAIR
MAX ADI LATE 11 POOR 59 GEN GOOD 4 VERY POOR 69 GOOD
MAX LVORI EARLY 8 1 6 1
MAX LVORI LATE 8 1 6 1
MIN VSBY EARLY 1 SMOKE 9 9 8
MIN VSBY LATE 9 9 9 9
SUNSHINE HOURS N/A N/A N/A N/A
CWR 90 0 0 0
REMARKS...NONE.
FORECAST FOR DAYS 3 THROUGH 7
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 LOWER 80S. 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
SHOWERS AND A CHANCE OF THUNDERSTORMS. HIGHS IN THE
UPPER 70S. SOUTHWEST WINDS 5 TO 10 MPH.
WEDNESDAY NIGHT
MOSTLY CLOUDY WITH SHOWERS LIKELY AND A CHANCE
OF THUNDERSTORMS. LOWS AROUND 60. WEST WINDS 5 TO 10 MPH.
THURSDAY AND THURSDAY NIGHT
PARTLY CLOUDY. LOWS AROUND 60.
HIGHS IN THE UPPER 70S. NORTHWEST WINDS AROUND 5 MPH.
FRIDAY
SUNNY. HIGHS IN THE LOWER 80S. NORTHWEST WINDS AROUND
5 MPH.
FRIDAY NIGHT AND SATURDAY
PARTLY CLOUDY. LOWS IN THE LOWER
60S. HIGHS IN THE LOWER 80S. SOUTHWEST WINDS AROUND 5 MPH.
CTZ002-190800-
HARTFORD CT-
INCLUDING THE CITIES OF HARTFORD AND WINDSOR LOCKS
409 PM EDT SAT JUL 18 2026
TONIGHT SUN SUN NIGHT MON
CLOUD COVER MCLDY MCLEAR MCLEAR MCLEAR
PRECIP TYPE TSTMS NONE NONE NONE
CHANCE PRECIP (%) 90
CHANCE OF THUNDER (%) 40 0 0 0
TEMP (24H TREND) 62 (0) 79 (-2) 55 82
RH % (24H TREND) 100 (0) 45 (+18) 90 38
20FT WND AM(MPH) NW 8 G17 LGT/VAR
20FT WND PM(MPH) SW 9 G23 NW 9 G17 NW 5 LGT/VAR
PRECIP AMOUNT 0.92 0.00 0.00 0.00
PRECIP DURATION 3
PRECIP BEGIN 6 PM
PRECIP END 2 AM
MIXING HGT (FT-AGL) 460 6010 380 6640
TRANSPORT WND (KTS) SW 12 NW 15 N 6 SW 8
VENT RATE (KT-FT) 5520 90150 2280 53120
MAX ADI EARLY 13 GEN POOR 46 GEN GOOD 84 GOOD 39 FAIR
MAX ADI LATE 12 POOR 103 VERY GOOD4 VERY POOR 72 GOOD
MAX LVORI EARLY 8 1 6 1
MAX LVORI LATE 8 1 6 1
MIN VSBY EARLY 1 SMOKE 9 9 9
MIN VSBY LATE 9 9 9 9
SUNSHINE HOURS N/A N/A N/A N/A
CWR 90 0 0 0
REMARKS...NONE.
FORECAST FOR DAYS 3 THROUGH 7
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 10 TO 15 MPH.
TUESDAY NIGHT AND WEDNESDAY
SHOWERS AND A CHANCE OF
THUNDERSTORMS. LOWS IN THE MID 60S. HIGHS AROUND 80. SOUTHWEST
WINDS 5 TO 10 MPH.
WEDNESDAY NIGHT
MOSTLY CLOUDY WITH SHOWERS LIKELY AND A CHANCE
OF THUNDERSTORMS. LOWS IN THE LOWER 60S. WEST WINDS 5 TO 10 MPH.
THURSDAY AND THURSDAY NIGHT
PARTLY CLOUDY. LOWS IN THE LOWER
60S. HIGHS IN THE UPPER 70S. NORTHWEST WINDS AROUND 5 MPH.
FRIDAY
SUNNY. HIGHS IN THE LOWER 80S. NORTHWEST WINDS AROUND
5 MPH.
FRIDAY NIGHT AND SATURDAY
PARTLY CLOUDY. LOWS IN THE LOWER
60S. HIGHS IN THE LOWER 80S. SOUTHWEST WINDS AROUND 5 MPH.
CTZ003-190800-
TOLLAND CT-
INCLUDING THE CITIES OF UNION AND VERNON
409 PM EDT SAT JUL 18 2026
TONIGHT SUN SUN NIGHT MON
CLOUD COVER MCLDY MCLEAR MCLEAR MCLEAR
PRECIP TYPE TSTMS NONE NONE NONE
CHANCE PRECIP (%) 90
CHANCE OF THUNDER (%) 40 0 0 0
TEMP (24H TREND) 63 (+4) 78 (-2) 54 80
RH % (24H TREND) 100 (0) 47 (+15) 93 39
20FT WND AM(MPH) NW 9 G17 LGT/VAR
20FT WND PM(MPH) SW 9 G23 NW 9 G18 NW 5 LGT/VAR
PRECIP AMOUNT 0.98 0.00 0.00 0.00
PRECIP DURATION 4
PRECIP BEGIN 6 PM
PRECIP END 2 AM
MIXING HGT (FT-AGL) 440 5780 400 6270
TRANSPORT WND (KTS) W 13 NW 15 N 5 SW 8
VENT RATE (KT-FT) 5720 86700 2000 50160
MAX ADI EARLY 14 GEN POOR 44 GEN GOOD 90 GOOD 45 GEN GOOD
MAX ADI LATE 13 GEN POOR 105 VERY GOOD4 VERY POOR 60 GEN GOOD
MAX LVORI EARLY 8 1 6 1
MAX LVORI LATE 8 1 6 1
MIN VSBY EARLY 1 SMOKE 9 9 8
MIN VSBY LATE 9 9 9 9
SUNSHINE HOURS N/A N/A N/A N/A
CWR 90 0 0 0
REMARKS...NONE.
FORECAST FOR DAYS 3 THROUGH 7
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 AND WEDNESDAY
SHOWERS AND A CHANCE OF
THUNDERSTORMS. LOWS IN THE MID 60S. HIGHS IN THE UPPER 70S.
SOUTHWEST WINDS 5 TO 10 MPH.
WEDNESDAY NIGHT
MOSTLY CLOUDY WITH SHOWERS LIKELY AND A CHANCE
OF THUNDERSTORMS. LOWS AROUND 60. WEST WINDS 5 TO 10 MPH.
THURSDAY AND THURSDAY NIGHT
PARTLY CLOUDY. LOWS AROUND 60.
HIGHS IN THE UPPER 70S. NORTHWEST WINDS AROUND 5 MPH.
FRIDAY
SUNNY. HIGHS IN THE LOWER 80S. NORTHWEST WINDS AROUND
5 MPH.
FRIDAY NIGHT AND SATURDAY
PARTLY CLOUDY. LOWS IN THE LOWER
60S. HIGHS IN THE LOWER 80S. SOUTHWEST WINDS AROUND 5 MPH.
CTZ004-190800-
WINDHAM CT-
INCLUDING THE CITIES OF PUTNAM AND WILLIMANTIC
409 PM EDT SAT JUL 18 2026
TONIGHT SUN SUN NIGHT MON
CLOUD COVER MCLDY MCLEAR CLEAR MCLEAR
PRECIP TYPE TSTMS NONE NONE NONE
CHANCE PRECIP (%) 90
CHANCE OF THUNDER (%) 40 0 0 0
TEMP (24H TREND) 64 (+6) 79 (-1) 54 80
RH % (24H TREND) 100 (0) 47 (+14) 93 41
20FT WND AM(MPH) NW 8 G17 LGT/VAR
20FT WND PM(MPH) SW 9 G23 NW 8 G17 LGT/VAR LGT/VAR
PRECIP AMOUNT 0.94 0.00 0.00 0.00
PRECIP DURATION 5
PRECIP BEGIN 6 PM
PRECIP END 2 AM
MIXING HGT (FT-AGL) 460 5730 400 6320
TRANSPORT WND (KTS) W 10 NW 15 N 6 W 6
VENT RATE (KT-FT) 4600 85950 2400 37920
MAX ADI EARLY 16 GEN POOR 59 GEN GOOD 88 GOOD 47 GEN GOOD
MAX ADI LATE 14 GEN POOR 105 VERY GOOD4 VERY POOR 59 GEN GOOD
MAX LVORI EARLY 7 1 6 1
MAX LVORI LATE 7 1 6 1
MIN VSBY EARLY 1 SMOKE 9 9 8
MIN VSBY LATE 9 9 9 9
SUNSHINE HOURS N/A N/A N/A N/A
CWR 80 0 0 0
REMARKS...NONE.
FORECAST FOR DAYS 3 THROUGH 7
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 AND WEDNESDAY
SHOWERS AND A CHANCE OF
THUNDERSTORMS. LOWS IN THE MID 60S. HIGHS IN THE UPPER 70S.
SOUTHWEST WINDS 5 TO 10 MPH.
WEDNESDAY NIGHT
MOSTLY CLOUDY WITH SHOWERS LIKELY AND A CHANCE
OF THUNDERSTORMS. LOWS IN THE LOWER 60S. 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
PARTLY CLOUDY. LOWS AROUND 60. WEST WINDS
AROUND 5 MPH, BECOMING NORTHWEST AFTER MIDNIGHT.
FRIDAY
SUNNY. HIGHS AROUND 80. NORTH WINDS AROUND 5 MPH.
FRIDAY NIGHT AND SATURDAY
PARTLY CLOUDY. LOWS IN THE LOWER
60S. HIGHS IN THE LOWER 80S. SOUTHWEST WINDS AROUND 5 MPH.
RIZ001-190800-
NORTHWEST PROVIDENCE RI-
INCLUDING THE CITIES OF FOSTER AND SMITHFIELD
409 PM EDT SAT JUL 18 2026
TONIGHT SUN SUN NIGHT MON
CLOUD COVER MCLDY MCLEAR MCLEAR MCLEAR
PRECIP TYPE TSTMS NONE NONE NONE
CHANCE PRECIP (%) 80
CHANCE OF THUNDER (%) 40 0 0 0
TEMP (24H TREND) 65 (+6) 79 (-2) 56 80
RH % (24H TREND) 100 (0) 48 (+10) 90 42
20FT WND AM(MPH) NW 8 LGT/VAR
20FT WND PM(MPH) SW 9 G23 NW 7 LGT/VAR LGT/VAR
PRECIP AMOUNT 0.75 0.00 0.00 0.00
PRECIP DURATION 5
PRECIP BEGIN 6 PM
PRECIP END 2 AM
MIXING HGT (FT-AGL) 450 6020 410 6500
TRANSPORT WND (KTS) W 13 NW 14 N 6 SW 7
VENT RATE (KT-FT) 5850 84280 2460 45500
MAX ADI EARLY 23 FAIR 78 GOOD 88 GOOD 48 GEN GOOD
MAX ADI LATE 15 GEN POOR 105 VERY GOOD7 POOR 64 GOOD
MAX LVORI EARLY 7 1 5 1
MAX LVORI LATE 7 1 5 1
MIN VSBY EARLY 1 SMOKE 9 9 9
MIN VSBY LATE 9 9 9 9
SUNSHINE HOURS N/A N/A N/A N/A
CWR 80 0 0 0
REMARKS...NONE.
FORECAST FOR DAYS 3 THROUGH 7
MONDAY NIGHT
PARTLY CLOUDY. LOWS IN THE LOWER 60S. SOUTH WINDS
AROUND 5 MPH.
TUESDAY
PARTLY SUNNY WITH A CHANCE OF SHOWERS. HIGHS AROUND
80. SOUTH WINDS 5 TO 10 MPH.
TUESDAY NIGHT AND WEDNESDAY
SHOWERS AND A CHANCE OF
THUNDERSTORMS. LOWS IN THE MID 60S. HIGHS IN THE UPPER 70S.
SOUTHWEST WINDS 5 TO 10 MPH.
WEDNESDAY NIGHT
MOSTLY CLOUDY WITH SHOWERS LIKELY AND A CHANCE
OF THUNDERSTORMS. LOWS IN THE LOWER 60S. SOUTHWEST 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
PARTLY CLOUDY. LOWS IN THE LOWER 60S. SOUTHWEST
WINDS AROUND 5 MPH, BECOMING NORTHWEST AFTER MIDNIGHT.
FRIDAY
SUNNY. HIGHS AROUND 80. NORTH WINDS AROUND 5 MPH.
FRIDAY NIGHT AND SATURDAY
PARTLY CLOUDY. LOWS IN THE LOWER
60S. HIGHS IN THE LOWER 80S. SOUTHWEST WINDS AROUND 5 MPH.
RIZ002-190800-
SOUTHEAST PROVIDENCE RI-
INCLUDING THE CITY OF PROVIDENCE
409 PM EDT SAT JUL 18 2026
TONIGHT SUN SUN NIGHT MON
CLOUD COVER MCLDY MCLEAR MCLEAR MCLEAR
PRECIP TYPE TSTMS NONE NONE NONE
CHANCE PRECIP (%) 70
CHANCE OF THUNDER (%) 40 0 0 0
TEMP (24H TREND) 66 (+5) 82 (-1) 58 82
RH % (24H TREND) 100 (+7) 46 (+12) 83 41
20FT WND AM(MPH) NW 8 LGT/VAR
20FT WND PM(MPH) SW 10 G22 NW 8 LGT/VAR SW 5
PRECIP AMOUNT 0.73 0.00 0.00 0.00
PRECIP DURATION 5
PRECIP BEGIN 6 PM
PRECIP END 3 AM
MIXING HGT (FT-AGL) 450 6150 410 6670
TRANSPORT WND (KTS) W 13 NW 13 N 6 W 6
VENT RATE (KT-FT) 5850 79950 2460 40020
MAX ADI EARLY 19 GEN POOR 61 GOOD 83 GOOD 48 GEN GOOD
MAX ADI LATE 15 GEN POOR 105 VERY GOOD7 POOR 62 GOOD
MAX LVORI EARLY 7 1 5 1
MAX LVORI LATE 7 1 5 1
MIN VSBY EARLY 2 SMOKE 9 9 9
MIN VSBY LATE 9 9 9 9
SUNSHINE HOURS N/A N/A N/A N/A
CWR 90 0 0 0
REMARKS...NONE.
FORECAST FOR DAYS 3 THROUGH 7
MONDAY NIGHT
PARTLY CLOUDY. LOWS IN THE LOWER 60S. SOUTH WINDS
5 TO 10 MPH.
TUESDAY
PARTLY SUNNY WITH A CHANCE OF SHOWERS. HIGHS IN THE
LOWER 80S. SOUTH WINDS 5 TO 10 MPH.
TUESDAY NIGHT AND WEDNESDAY
SHOWERS AND A CHANCE OF
THUNDERSTORMS. LOWS IN THE UPPER 60S. HIGHS AROUND 80. SOUTHWEST
WINDS 10 TO 15 MPH.
WEDNESDAY NIGHT
MOSTLY CLOUDY WITH SHOWERS LIKELY AND A CHANCE
OF THUNDERSTORMS. LOWS IN THE MID 60S. SOUTHWEST WINDS 10 TO
15 MPH, BECOMING WEST AROUND 5 MPH AFTER MIDNIGHT.
THURSDAY
PARTLY SUNNY WITH A CHANCE OF SHOWERS. HIGHS AROUND
80. WEST WINDS AROUND 5 MPH.
THURSDAY NIGHT
PARTLY CLOUDY WITH A CHANCE OF SHOWERS. LOWS IN
THE LOWER 60S. SOUTHWEST WINDS AROUND 5 MPH, BECOMING NORTHWEST
AFTER MIDNIGHT.
FRIDAY THROUGH SATURDAY
PARTLY CLOUDY. LOWS IN THE LOWER 60S.
HIGHS IN THE LOWER 80S. SOUTH WINDS AROUND 5 MPH.
RIZ003-190800-
WESTERN KENT RI-
INCLUDING THE CITIES OF COVENTRY AND WEST GREENWICH
409 PM EDT SAT JUL 18 2026
TONIGHT SUN SUN NIGHT MON
CLOUD COVER MCLDY MCLEAR MCLEAR MCLEAR
PRECIP TYPE TSTMS NONE NONE NONE
CHANCE PRECIP (%) 80
CHANCE OF THUNDER (%) 40 0 0 0
TEMP (24H TREND) 65 (+5) 79 (-2) 56 80
RH % (24H TREND) 100 (0) 48 (+6) 86 42
20FT WND AM(MPH) NW 8 LGT/VAR
20FT WND PM(MPH) SW 10 G23 NW 8 LGT/VAR LGT/VAR
PRECIP AMOUNT 0.79 0.00 0.00 0.00
PRECIP DURATION 5
PRECIP BEGIN 6 PM
PRECIP END 3 AM
MIXING HGT (FT-AGL) 470 5890 380 6470
TRANSPORT WND (KTS) W 13 NW 13 N 6 W 6
VENT RATE (KT-FT) 6110 76570 2280 38820
MAX ADI EARLY 22 FAIR 43 GEN GOOD 87 GOOD 55 GEN GOOD
MAX ADI LATE 16 GEN POOR 105 VERY GOOD7 POOR 60 GEN GOOD
MAX LVORI EARLY 7 1 5 1
MAX LVORI LATE 7 1 5 1
MIN VSBY EARLY 1 SMOKE 9 9 9
MIN VSBY LATE 9 9 9 9
SUNSHINE HOURS N/A N/A N/A N/A
CWR 80 0 0 0
REMARKS...NONE.
FORECAST FOR DAYS 3 THROUGH 7
MONDAY NIGHT
PARTLY CLOUDY. LOWS IN THE LOWER 60S. SOUTH WINDS
AROUND 5 MPH.
TUESDAY
PARTLY SUNNY WITH A CHANCE OF SHOWERS. HIGHS IN THE
UPPER 70S. SOUTH WINDS 5 TO 10 MPH.
TUESDAY NIGHT AND WEDNESDAY
SHOWERS AND A CHANCE OF
THUNDERSTORMS. LOWS IN THE MID 60S. HIGHS IN THE UPPER 70S.
SOUTHWEST WINDS 10 TO 15 MPH.
WEDNESDAY NIGHT
MOSTLY CLOUDY WITH SHOWERS LIKELY AND A CHANCE
OF THUNDERSTORMS. LOWS IN THE LOWER 60S. SOUTHWEST 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 THROUGH SATURDAY
PARTLY CLOUDY. LOWS IN THE
LOWER 60S. HIGHS AROUND 80. SOUTH WINDS AROUND 5 MPH.
RIZ004-190800-
EASTERN KENT RI-
INCLUDING THE CITIES OF EAST GREENWICH, WARWICK, AND WEST WARWICK
409 PM EDT SAT JUL 18 2026
TONIGHT SUN SUN NIGHT MON
CLOUD COVER MCLDY MCLEAR MCLEAR MCLEAR
PRECIP TYPE TSTMS NONE NONE NONE
CHANCE PRECIP (%) 70
CHANCE OF THUNDER (%) 40 0 0 0
TEMP (24H TREND) 67 (+4) 81 (-1) 59 81
RH % (24H TREND) 100 (0) 45 (+14) 81 41
20FT WND AM(MPH) NW 8 LGT/VAR
20FT WND PM(MPH) SW 11 G22 NW 8 NW 5 SW 5
PRECIP AMOUNT 0.61 0.00 0.00 0.00
PRECIP DURATION 5
PRECIP BEGIN 6 PM
PRECIP END 3 AM
MIXING HGT (FT-AGL) 460 6290 410 6540
TRANSPORT WND (KTS) W 12 NW 13 N 6 SW 6
VENT RATE (KT-FT) 5520 81770 2460 39240
MAX ADI EARLY 18 GEN POOR 42 GEN GOOD 71 GOOD 47 GEN GOOD
MAX ADI LATE 16 GEN POOR 102 VERY GOOD7 POOR 59 GEN GOOD
MAX LVORI EARLY 7 1 4 1
MAX LVORI LATE 7 1 4 1
MIN VSBY EARLY 2 SMOKE 9 9 9
MIN VSBY LATE 9 9 9 9
SUNSHINE HOURS N/A N/A N/A N/A
CWR 80 0 0 0
REMARKS...NONE.
FORECAST FOR DAYS 3 THROUGH 7
MONDAY NIGHT
PARTLY CLOUDY. LOWS IN THE LOWER 60S. SOUTH WINDS
5 TO 10 MPH.
TUESDAY
PARTLY SUNNY WITH A CHANCE OF SHOWERS. HIGHS IN THE
UPPER 70S. SOUTH WINDS 10 TO 15 MPH.
TUESDAY NIGHT AND WEDNESDAY
SHOWERS AND A CHANCE OF
THUNDERSTORMS. LOWS IN THE UPPER 60S. HIGHS IN THE UPPER 70S.
SOUTHWEST WINDS 10 TO 15 MPH.
WEDNESDAY NIGHT
MOSTLY CLOUDY WITH SHOWERS LIKELY AND A CHANCE
OF THUNDERSTORMS. LOWS IN THE MID 60S. SOUTHWEST WINDS 10 TO
15 MPH.
THURSDAY
PARTLY SUNNY WITH A CHANCE OF SHOWERS. HIGHS IN THE
UPPER 70S. WEST WINDS AROUND 5 MPH.
THURSDAY NIGHT
PARTLY CLOUDY WITH A CHANCE OF SHOWERS. LOWS IN
THE LOWER 60S. SOUTHWEST WINDS AROUND 5 MPH, BECOMING NORTHWEST
AFTER MIDNIGHT.
FRIDAY THROUGH SATURDAY
PARTLY CLOUDY. LOWS IN THE MID 60S.
HIGHS IN THE LOWER 80S. SOUTH WINDS AROUND 5 MPH.
RIZ005-190800-
BRISTOL RI-
INCLUDING THE CITY OF BRISTOL
409 PM EDT SAT JUL 18 2026
TONIGHT SUN SUN NIGHT MON
CLOUD COVER MCLDY MCLEAR MCLEAR MCLEAR
PRECIP TYPE TSTMS NONE NONE NONE
CHANCE PRECIP (%) 70
CHANCE OF THUNDER (%) 40 0 0 0
TEMP (24H TREND) 68 (+2) 80 (0) 60 80
RH % (24H TREND) 100 (+7) 47 (+6) 81 44
20FT WND AM(MPH) NW 8 LGT/VAR
20FT WND PM(MPH) SW 13 G22 NW 8 NW 5 SW 6
PRECIP AMOUNT 0.69 0.00 0.00 0.00
PRECIP DURATION 5
PRECIP BEGIN 6 PM
PRECIP END 4 AM
MIXING HGT (FT-AGL) 450 6050 410 6120
TRANSPORT WND (KTS) SW 13 NW 13 N 5 SW 6
VENT RATE (KT-FT) 5850 78650 2050 36720
MAX ADI EARLY 18 GEN POOR 42 GEN GOOD 42 GEN GOOD 37 FAIR
MAX ADI LATE 15 GEN POOR 66 GOOD 6 VERY POOR 54 GEN GOOD
MAX LVORI EARLY 6 1 4 2
MAX LVORI LATE 6 1 4 2
MIN VSBY EARLY 2 SMOKE 9 9 9
MIN VSBY LATE 6 SMOKE 9 9 9
SUNSHINE HOURS N/A N/A N/A N/A
CWR 90 0 0 0
REMARKS...NONE.
FORECAST FOR DAYS 3 THROUGH 7
MONDAY NIGHT
PARTLY CLOUDY. LOWS IN THE MID 60S. SOUTH WINDS
5 TO 10 MPH.
TUESDAY
PARTLY SUNNY WITH A CHANCE OF SHOWERS. HIGHS IN THE
UPPER 70S. SOUTH WINDS 10 TO 15 MPH.
TUESDAY NIGHT AND WEDNESDAY
SHOWERS AND A CHANCE OF
THUNDERSTORMS. LOWS IN THE UPPER 60S. HIGHS IN THE UPPER 70S.
SOUTHWEST WINDS 15 TO 20 MPH.
WEDNESDAY NIGHT
MOSTLY CLOUDY WITH SHOWERS LIKELY AND A CHANCE
OF THUNDERSTORMS. LOWS IN THE MID 60S. SOUTHWEST WINDS 10 TO
15 MPH.
THURSDAY
PARTLY SUNNY WITH A CHANCE OF SHOWERS. HIGHS IN THE
UPPER 70S. SOUTHWEST WINDS AROUND 5 MPH.
THURSDAY NIGHT
PARTLY CLOUDY WITH A CHANCE OF SHOWERS. LOWS IN
THE MID 60S. SOUTHWEST WINDS AROUND 5 MPH, BECOMING NORTHWEST
AFTER MIDNIGHT.
FRIDAY THROUGH SATURDAY
PARTLY CLOUDY. LOWS IN THE MID 60S.
HIGHS IN THE LOWER 80S. SOUTH WINDS 5 TO 10 MPH.
RIZ006-190800-
WASHINGTON RI-
INCLUDING THE CITIES OF NARRAGANSETT AND WESTERLY
409 PM EDT SAT JUL 18 2026
TONIGHT SUN SUN NIGHT MON
CLOUD COVER MCLDY MCLEAR MCLEAR MCLEAR
PRECIP TYPE TSTMS NONE NONE NONE
CHANCE PRECIP (%) 70
CHANCE OF THUNDER (%) 40 0 0 0
TEMP (24H TREND) 66 (+6) 81 (+2) 57 80
RH % (24H TREND) 100 (0) 46 (+13) 84 42
20FT WND AM(MPH) NW 7 LGT/VAR
20FT WND PM(MPH) SW 10 G22 NW 7 LGT/VAR SW 6
PRECIP AMOUNT 0.76 0.00 0.00 0.00
PRECIP DURATION 6
PRECIP BEGIN 6 PM
PRECIP END 4 AM
MIXING HGT (FT-AGL) 440 6020 390 6250
TRANSPORT WND (KTS) SW 16 NW 12 N 7 W 6
VENT RATE (KT-FT) 7040 72240 2730 37500
MAX ADI EARLY 17 GEN POOR 41 GEN GOOD 51 GEN GOOD 41 GEN GOOD
MAX ADI LATE 16 GEN POOR 90 GOOD 4 VERY POOR 46 GEN GOOD
MAX LVORI EARLY 6 1 5 1
MAX LVORI LATE 6 1 5 1
MIN VSBY EARLY 1 SMOKE 9 9 9
MIN VSBY LATE 3 SMOKE 9 9 9
SUNSHINE HOURS N/A N/A N/A N/A
CWR 80 0 0 0
REMARKS...NONE.
FORECAST FOR DAYS 3 THROUGH 7
MONDAY NIGHT
PARTLY CLOUDY. LOWS IN THE LOWER 60S. SOUTH WINDS
5 TO 10 MPH.
TUESDAY
PARTLY SUNNY WITH A CHANCE OF SHOWERS. HIGHS IN THE
UPPER 70S. SOUTHEAST WINDS 5 TO 10 MPH.
TUESDAY NIGHT AND WEDNESDAY
SHOWERS AND A CHANCE OF
THUNDERSTORMS. LOWS IN THE MID 60S. HIGHS IN THE UPPER 70S.
SOUTHWEST WINDS 15 TO 20 MPH.
WEDNESDAY NIGHT
MOSTLY CLOUDY WITH SHOWERS LIKELY AND A CHANCE
OF THUNDERSTORMS. LOWS IN THE MID 60S. SOUTHWEST WINDS 15 TO
20 MPH, BECOMING WEST 5 TO 10 MPH AFTER MIDNIGHT.
THURSDAY
PARTLY SUNNY WITH A CHANCE OF SHOWERS. HIGHS IN THE
UPPER 70S. SOUTHWEST WINDS 5 TO 10 MPH.
THURSDAY NIGHT
PARTLY CLOUDY WITH A CHANCE OF SHOWERS. LOWS IN
THE LOWER 60S. SOUTHWEST WINDS 5 TO 10 MPH, BECOMING NORTHWEST
AFTER MIDNIGHT.
FRIDAY THROUGH SATURDAY
PARTLY CLOUDY. LOWS IN THE LOWER 60S.
HIGHS AROUND 80. SOUTH WINDS 5 TO 10 MPH.
RIZ007-190800-
NEWPORT RI-
INCLUDING THE CITY OF NEWPORT
409 PM EDT SAT JUL 18 2026
TONIGHT SUN SUN NIGHT MON
CLOUD COVER MCLDY MCLEAR MCLEAR MCLEAR
PRECIP TYPE TSTMS NONE NONE NONE
CHANCE PRECIP (%) 70 10
CHANCE OF THUNDER (%) 40 0 0 0
TEMP (24H TREND) 68 (+2) 82 (+5) 62 80
RH % (24H TREND) 100 (0) 46 (+10) 81 41
20FT WND AM(MPH) NW 9 LGT/VAR
20FT WND PM(MPH) SW 13 G22 NW 8 NW 5 SW 7
PRECIP AMOUNT 0.80 0.00 0.00 0.00
PRECIP DURATION 6
PRECIP BEGIN 6 PM
PRECIP END 5 AM
MIXING HGT (FT-AGL) 440 4240 410 4960
TRANSPORT WND (KTS) SW 15 NW 12 N 6 W 6
VENT RATE (KT-FT) 6600 50880 2460 29760
MAX ADI EARLY 20 GEN POOR 35 FAIR 22 FAIR 28 FAIR
MAX ADI LATE 17 GEN POOR 33 FAIR 7 POOR 37 FAIR
MAX LVORI EARLY 6 2 4 2
MAX LVORI LATE 6 2 4 2
MIN VSBY EARLY 1 SMOKE 9 9 9
MIN VSBY LATE 2 SMOKE 9 9 9
SUNSHINE HOURS N/A N/A N/A N/A
CWR 80 0 0 0
REMARKS...NONE.
FORECAST FOR DAYS 3 THROUGH 7
MONDAY NIGHT
PARTLY CLOUDY. LOWS IN THE MID 60S. SOUTH WINDS
5 TO 10 MPH.
TUESDAY
PARTLY SUNNY WITH A CHANCE OF SHOWERS. 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
SHOWERS. HIGHS IN THE UPPER 70S. SOUTHWEST WINDS
15 TO 20 MPH.
WEDNESDAY NIGHT
MOSTLY CLOUDY WITH SHOWERS LIKELY. LOWS IN THE
MID 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
PARTLY CLOUDY WITH A CHANCE OF SHOWERS. LOWS IN
THE MID 60S. SOUTHWEST WINDS 5 TO 10 MPH, BECOMING NORTHWEST
AFTER MIDNIGHT.
FRIDAY THROUGH SATURDAY
PARTLY CLOUDY. LOWS IN THE MID 60S.
HIGHS AROUND 80. SOUTH WINDS 5 TO 10 MPH.
RIZ008-190800-
BLOCK ISLAND RI-
INCLUDING THE CITY OF NEW SHOREHAM
409 PM EDT SAT JUL 18 2026
TONIGHT SUN SUN NIGHT MON
CLOUD COVER MCLDY MCLEAR MCLEAR MCLEAR
PRECIP TYPE TSTMS NONE NONE NONE
CHANCE PRECIP (%) 80 10
CHANCE OF THUNDER (%) 40 0 0 0
TEMP (24H TREND) 68 (+1) 78 (+3) 64 75
RH % (24H TREND) 100 (0) 62 (+9) 78 64
20FT WND AM(MPH) W 9 LGT/VAR
20FT WND PM(MPH) SW 15 G23 W 9 NW 7 SW 6
PRECIP AMOUNT 0.40 0.00 0.00 0.00
PRECIP DURATION 6
PRECIP BEGIN 6 PM
PRECIP END 5 AM
MIXING HGT (FT-AGL) 520 1170 390 590
TRANSPORT WND (KTS) SW 23 NW 13 NE 9 S 5
VENT RATE (KT-FT) 11960 15210 3510 2950
MAX ADI EARLY 24 FAIR 22 FAIR 14 GEN POOR 9 POOR
MAX ADI LATE 23 FAIR 14 GEN POOR 8 POOR 13 GEN POOR
MAX LVORI EARLY 5 3 4 3
MAX LVORI LATE 5 3 4 3
MIN VSBY EARLY 1 SMOKE 9 9 9
MIN VSBY LATE 3 SMOKE 9 9 9
SUNSHINE HOURS N/A N/A N/A N/A
CWR 80 0 0 0
REMARKS...NONE.
FORECAST FOR DAYS 3 THROUGH 7
MONDAY NIGHT
PARTLY CLOUDY. LOWS IN THE MID 60S. SOUTH WINDS
5 TO 10 MPH.
TUESDAY
PARTLY SUNNY WITH A CHANCE OF SHOWERS. HIGHS IN THE
MID 70S. SOUTHEAST WINDS 5 TO 10 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 SHOWERS LIKELY. LOWS IN THE
MID 60S. SOUTHWEST WINDS 15 TO 20 MPH.
THURSDAY
PARTLY SUNNY WITH A CHANCE OF SHOWERS. HIGHS IN THE
LOWER 70S. SOUTHWEST WINDS 5 TO 10 MPH.
THURSDAY NIGHT
PARTLY CLOUDY WITH A CHANCE OF SHOWERS. LOWS IN
THE MID 60S. SOUTHWEST WINDS 5 TO 10 MPH, BECOMING NORTHWEST
AFTER MIDNIGHT.
FRIDAY THROUGH SATURDAY
PARTLY CLOUDY. LOWS IN THE MID 60S.
HIGHS IN THE MID 70S. SOUTH WINDS 5 TO 10 MPH.
MAZ017-190800-
NORTHERN BRISTOL MA-
INCLUDING THE CITY OF TAUNTON
409 PM EDT SAT JUL 18 2026
TONIGHT SUN SUN NIGHT MON
CLOUD COVER MCLDY MCLEAR MCLEAR MCLEAR
PRECIP TYPE TSTMS NONE NONE NONE
CHANCE PRECIP (%) 70
CHANCE OF THUNDER (%) 40 0 0 0
TEMP (24H TREND) 65 (+8) 81 (-1) 57 82
RH % (24H TREND) 100 (0) 44 (+7) 83 39
20FT WND AM(MPH) NW 7 LGT/VAR
20FT WND PM(MPH) SW 9 G23 NW 7 LGT/VAR LGT/VAR
PRECIP AMOUNT 0.58 0.00 0.00 0.00
PRECIP DURATION 5
PRECIP BEGIN 6 PM
PRECIP END 4 AM
MIXING HGT (FT-AGL) 440 6190 410 6510
TRANSPORT WND (KTS) SW 14 NW 14 NW 5 W 6
VENT RATE (KT-FT) 6160 86660 2050 39060
MAX ADI EARLY 19 GEN POOR 70 GOOD 80 GOOD 46 GEN GOOD
MAX ADI LATE 14 GEN POOR 105 VERY GOOD6 VERY POOR 63 GOOD
MAX LVORI EARLY 6 1 5 1
MAX LVORI LATE 6 1 5 1
MIN VSBY EARLY 2 SMOKE 9 9 9
MIN VSBY LATE 9 9 9 9
SUNSHINE HOURS N/A N/A N/A N/A
CWR 80 0 0 0
REMARKS...NONE.
FORECAST FOR DAYS 3 THROUGH 7
MONDAY NIGHT
PARTLY CLOUDY. LOWS IN THE LOWER 60S. SOUTH WINDS
AROUND 5 MPH.
TUESDAY
PARTLY SUNNY WITH A CHANCE OF SHOWERS. HIGHS IN THE
LOWER 80S. SOUTH WINDS 5 TO 10 MPH.
TUESDAY NIGHT AND WEDNESDAY
SHOWERS AND A CHANCE OF
THUNDERSTORMS. LOWS IN THE MID 60S. HIGHS AROUND 80. SOUTHWEST
WINDS 10 TO 15 MPH.
WEDNESDAY NIGHT
MOSTLY CLOUDY WITH SHOWERS LIKELY AND A CHANCE
OF THUNDERSTORMS. LOWS IN THE LOWER 60S. SOUTHWEST WINDS 5 TO
10 MPH.
THURSDAY
PARTLY SUNNY WITH A CHANCE OF SHOWERS. HIGHS AROUND
80. WEST WINDS AROUND 5 MPH.
THURSDAY NIGHT
PARTLY CLOUDY WITH A CHANCE OF SHOWERS. LOWS IN
THE LOWER 60S. SOUTHWEST WINDS AROUND 5 MPH, BECOMING NORTHWEST
AFTER MIDNIGHT.
FRIDAY THROUGH SATURDAY
PARTLY CLOUDY. LOWS IN THE LOWER 60S.
HIGHS IN THE LOWER 80S. SOUTH WINDS AROUND 5 MPH.
MAZ018-190800-
WESTERN PLYMOUTH MA-
INCLUDING THE CITY OF BROCKTON
409 PM EDT SAT JUL 18 2026
TONIGHT SUN SUN NIGHT MON
CLOUD COVER MCLDY MCLEAR MCLEAR MCLEAR
PRECIP TYPE TSTMS NONE NONE NONE
CHANCE PRECIP (%) 70
CHANCE OF THUNDER (%) 40 0 0 0
TEMP (24H TREND) 66 (+8) 82 (0) 58 82
RH % (24H TREND) 100 (0) 41 (+3) 83 38
20FT WND AM(MPH) NW 7 LGT/VAR
20FT WND PM(MPH) SW 9 G25 NW 7 LGT/VAR LGT/VAR
PRECIP AMOUNT 0.47 0.00 0.00 0.00
PRECIP DURATION 5
PRECIP BEGIN 6 PM
PRECIP END 4 AM
MIXING HGT (FT-AGL) 440 6470 410 6590
TRANSPORT WND (KTS) SW 17 NW 13 NW 6 W 6
VENT RATE (KT-FT) 7480 84110 2460 39540
MAX ADI EARLY 20 GEN POOR 72 GOOD 75 GOOD 46 GEN GOOD
MAX ADI LATE 15 GEN POOR 105 VERY GOOD7 POOR 63 GOOD
MAX LVORI EARLY 5 1 4 1
MAX LVORI LATE 5 1 4 1
MIN VSBY EARLY 2 SMOKE 9 9 9
MIN VSBY LATE 5 SMOKE 9 9 9
SUNSHINE HOURS N/A N/A N/A N/A
CWR 80 0 0 0
REMARKS...NONE.
FORECAST FOR DAYS 3 THROUGH 7
MONDAY NIGHT
PARTLY CLOUDY. LOWS IN THE LOWER 60S. SOUTH WINDS
AROUND 5 MPH.
TUESDAY
PARTLY SUNNY WITH A CHANCE OF SHOWERS. 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. 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 AROUND
80. SOUTHWEST WINDS AROUND 5 MPH.
THURSDAY NIGHT
PARTLY CLOUDY WITH A CHANCE OF SHOWERS. LOWS IN
THE LOWER 60S. SOUTHWEST WINDS AROUND 5 MPH, BECOMING NORTHWEST
AFTER MIDNIGHT.
FRIDAY THROUGH SATURDAY
PARTLY CLOUDY. LOWS IN THE LOWER 60S.
HIGHS IN THE LOWER 80S. SOUTH WINDS AROUND 5 MPH.
MAZ019-190800-
EASTERN PLYMOUTH MA-
INCLUDING THE CITY OF PLYMOUTH
409 PM EDT SAT JUL 18 2026
TONIGHT SUN SUN NIGHT MON
CLOUD COVER MCLDY MCLEAR MCLEAR MCLEAR
PRECIP TYPE TSTMS NONE NONE NONE
CHANCE PRECIP (%) 70
CHANCE OF THUNDER (%) 30 0 0 0
TEMP (24H TREND) 67 (+6) 82 (+1) 60 83
RH % (24H TREND) 100 (0) 41 (+8) 80 37
20FT WND AM(MPH) NW 9 LGT/VAR
20FT WND PM(MPH) SW 12 G27 NW 7 LGT/VAR S 5
PRECIP AMOUNT 0.40 0.00 0.00 0.00
PRECIP DURATION 4
PRECIP BEGIN 6 PM
PRECIP END 4 AM
MIXING HGT (FT-AGL) 440 4630 390 5900
TRANSPORT WND (KTS) SW 17 NW 14 NW 7 W 5
VENT RATE (KT-FT) 7480 64820 2730 29500
MAX ADI EARLY 22 FAIR 42 GEN GOOD 18 GEN POOR 33 FAIR
MAX ADI LATE 18 GEN POOR 43 GEN GOOD 8 POOR 33 FAIR
MAX LVORI EARLY 5 2 3 2
MAX LVORI LATE 5 2 3 2
MIN VSBY EARLY 2 SMOKE 9 9 9
MIN VSBY LATE 4 SMOKE 9 9 9
SUNSHINE HOURS N/A N/A N/A N/A
CWR 80 0 0 0
REMARKS...NONE.
FORECAST FOR DAYS 3 THROUGH 7
MONDAY NIGHT
PARTLY CLOUDY. LOWS IN THE MID 60S. SOUTH WINDS
5 TO 10 MPH.
TUESDAY
PARTLY SUNNY WITH A CHANCE OF SHOWERS. 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. LOWS IN THE UPPER 60S.
HIGHS AROUND 80. SOUTHWEST WINDS 15 TO 20 MPH.
THURSDAY
PARTLY SUNNY WITH A CHANCE OF SHOWERS. HIGHS IN THE
UPPER 70S. SOUTHWEST WINDS AROUND 5 MPH.
THURSDAY NIGHT
PARTLY CLOUDY WITH A CHANCE OF SHOWERS. LOWS IN
THE MID 60S. SOUTHWEST WINDS AROUND 5 MPH, BECOMING NORTHWEST
AFTER MIDNIGHT.
FRIDAY THROUGH SATURDAY
PARTLY CLOUDY. LOWS IN THE MID 60S.
HIGHS IN THE UPPER 70S. SOUTH WINDS AROUND 5 MPH.
MAZ020-190800-
SOUTHERN BRISTOL MA-
INCLUDING THE CITIES OF FALL RIVER AND NEW BEDFORD
409 PM EDT SAT JUL 18 2026
TONIGHT SUN SUN NIGHT MON
CLOUD COVER MCLDY MCLEAR MCLEAR MCLEAR
PRECIP TYPE TSTMS NONE NONE NONE
CHANCE PRECIP (%) 70 10
CHANCE OF THUNDER (%) 40 0 0 0
TEMP (24H TREND) 67 (+5) 84 (+5) 59 83
RH % (24H TREND) 100 (0) 43 (+9) 83 40
20FT WND AM(MPH) NW 8 LGT/VAR
20FT WND PM(MPH) SW 12 G23 NW 7 LGT/VAR SW 6
PRECIP AMOUNT 0.73 0.00 0.00 0.00
PRECIP DURATION 6
PRECIP BEGIN 6 PM
PRECIP END 5 AM
MIXING HGT (FT-AGL) 430 6100 400 6200
TRANSPORT WND (KTS) W 14 NW 12 N 5 SW 7
VENT RATE (KT-FT) 6020 73200 2000 43400
MAX ADI EARLY 20 GEN POOR 60 GEN GOOD 53 GEN GOOD 42 GEN GOOD
MAX ADI LATE 16 GEN POOR 100 GOOD 6 VERY POOR 50 GEN GOOD
MAX LVORI EARLY 6 1 4 1
MAX LVORI LATE 6 1 4 1
MIN VSBY EARLY 1 SMOKE 9 9 9
MIN VSBY LATE 2 SMOKE 9 9 9
SUNSHINE HOURS N/A N/A N/A N/A
CWR 80 0 0 0
REMARKS...NONE.
FORECAST FOR DAYS 3 THROUGH 7
MONDAY NIGHT
PARTLY CLOUDY. LOWS IN THE MID 60S. SOUTH WINDS
5 TO 10 MPH.
TUESDAY
PARTLY SUNNY WITH A CHANCE OF SHOWERS. HIGHS IN THE
LOWER 80S. 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
WINDY, SHOWERS. LOWS IN THE
UPPER 60S. HIGHS IN THE UPPER 70S. SOUTHWEST WINDS 20 TO 30 MPH.
THURSDAY
PARTLY SUNNY WITH A CHANCE OF SHOWERS. HIGHS IN THE
UPPER 70S. SOUTHWEST WINDS 5 TO 10 MPH.
THURSDAY NIGHT
PARTLY CLOUDY WITH A CHANCE OF SHOWERS. LOWS IN
THE MID 60S. SOUTHWEST WINDS 5 TO 10 MPH, BECOMING NORTHWEST
AFTER MIDNIGHT.
FRIDAY THROUGH SATURDAY
PARTLY CLOUDY. LOWS IN THE MID 60S.
HIGHS IN THE LOWER 80S. SOUTH WINDS 5 TO 10 MPH.
MAZ021-190800-
SOUTHERN PLYMOUTH MA-
INCLUDING THE CITY OF MATTAPOISETT
409 PM EDT SAT JUL 18 2026
TONIGHT SUN SUN NIGHT MON
CLOUD COVER MCLDY MCLEAR MCLEAR MCLEAR
PRECIP TYPE TSTMS NONE NONE NONE
CHANCE PRECIP (%) 70 10
CHANCE OF THUNDER (%) 40 0 0 0
TEMP (24H TREND) 67 (+6) 84 (+5) 59 82
RH % (24H TREND) 100 (0) 43 (+7) 81 40
20FT WND AM(MPH) NW 7 LGT/VAR
20FT WND PM(MPH) SW 11 G24 NW 7 LGT/VAR SW 6
PRECIP AMOUNT 0.60 0.00 0.00 0.00
PRECIP DURATION 5
PRECIP BEGIN 6 PM
PRECIP END 5 AM
MIXING HGT (FT-AGL) 440 5970 390 6350
TRANSPORT WND (KTS) SW 15 NW 13 N 5 W 7
VENT RATE (KT-FT) 6600 77610 1950 44450
MAX ADI EARLY 21 FAIR 66 GOOD 51 GEN GOOD 43 GEN GOOD
MAX ADI LATE 18 GEN POOR 97 GOOD 6 VERY POOR 53 GEN GOOD
MAX LVORI EARLY 5 1 4 1
MAX LVORI LATE 5 1 4 1
MIN VSBY EARLY 2 SMOKE 9 9 9
MIN VSBY LATE 3 SMOKE 9 9 9
SUNSHINE HOURS N/A N/A N/A N/A
CWR 80 0 0 0
REMARKS...NONE.
FORECAST FOR DAYS 3 THROUGH 7
MONDAY NIGHT
PARTLY CLOUDY. LOWS IN THE MID 60S. SOUTH WINDS
5 TO 10 MPH.
TUESDAY
PARTLY SUNNY WITH A CHANCE OF SHOWERS. 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
BREEZY, SHOWERS. LOWS IN THE
UPPER 60S. HIGHS AROUND 80. SOUTHWEST WINDS 20 TO 25 MPH.
THURSDAY
PARTLY SUNNY WITH A CHANCE OF SHOWERS. HIGHS IN THE
UPPER 70S. SOUTHWEST WINDS 5 TO 10 MPH.
THURSDAY NIGHT
PARTLY CLOUDY WITH A CHANCE OF SHOWERS. LOWS IN
THE MID 60S. SOUTHWEST WINDS 5 TO 10 MPH, BECOMING NORTHWEST
AFTER MIDNIGHT.
FRIDAY THROUGH SATURDAY
PARTLY CLOUDY. LOWS IN THE MID 60S.
HIGHS AROUND 80. SOUTH WINDS 5 TO 10 MPH.
MAZ022-190800-
BARNSTABLE MA-
INCLUDING THE CITIES OF CHATHAM, FALMOUTH, AND PROVINCETOWN
409 PM EDT SAT JUL 18 2026
TONIGHT SUN SUN NIGHT MON
CLOUD COVER MCLDY MCLEAR MCLEAR MCLEAR
PRECIP TYPE TSTMS NONE NONE NONE
CHANCE PRECIP (%) 70 10
CHANCE OF THUNDER (%) 40 0 0 0
TEMP (24H TREND) 67 (+6) 84 (+5) 64 81
RH % (24H TREND) 100 (0) 47 (+8) 78 42
20FT WND AM(MPH) W 8 G17 LGT/VAR
20FT WND PM(MPH) SW 12 G24 NW 6 LGT/VAR SW 5
PRECIP AMOUNT 0.61 0.00 0.00 0.00
PRECIP DURATION 5
PRECIP BEGIN 6 PM
PRECIP END 5 AM
MIXING HGT (FT-AGL) 520 4470 380 4920
TRANSPORT WND (KTS) SW 18 NW 12 N 6 W 6
VENT RATE (KT-FT) 9360 53640 2280 29520
MAX ADI EARLY 24 FAIR 47 GEN GOOD 14 GEN POOR 27 FAIR
MAX ADI LATE 21 FAIR 49 GEN GOOD 7 POOR 37 FAIR
MAX LVORI EARLY 10 2 3 2
MAX LVORI LATE 10 2 3 2
MIN VSBY EARLY 1 SMOKE 9 9 9
MIN VSBY LATE 2 SMOKE 9 9 9
SUNSHINE HOURS N/A N/A N/A N/A
CWR 80 0 0 0
REMARKS...NONE.
FORECAST FOR DAYS 3 THROUGH 7
MONDAY NIGHT
PARTLY CLOUDY. LOWS IN THE UPPER 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 AND WEDNESDAY NIGHT
BREEZY, SHOWERS. LOWS IN THE
UPPER 60S. HIGHS IN THE UPPER 70S. SOUTHWEST WINDS 20 TO 25 MPH.
THURSDAY AND THURSDAY NIGHT
MOSTLY CLOUDY. A CHANCE OF
SHOWERS. LOWS IN THE UPPER 60S. HIGHS IN THE UPPER 70S. WEST
WINDS 5 TO 10 MPH.
FRIDAY THROUGH SATURDAY
PARTLY CLOUDY. LOWS IN THE MID 60S.
HIGHS IN THE UPPER 70S. SOUTH WINDS AROUND 5 MPH.
MAZ023-190800-
DUKES MA-
INCLUDING THE CITY OF VINEYARD HAVEN
409 PM EDT SAT JUL 18 2026
TONIGHT SUN SUN NIGHT MON
CLOUD COVER MCLDY MCLEAR MCLEAR MCLEAR
PRECIP TYPE TSTMS NONE NONE NONE
CHANCE PRECIP (%) 80 10
CHANCE OF THUNDER (%) 40 0 0 0
TEMP (24H TREND) 68 (+7) 83 (+7) 65 80
RH % (24H TREND) 100 (0) 48 (-4) 78 43
20FT WND AM(MPH) W 10 G17 LGT/VAR
20FT WND PM(MPH) SW 15 G24 NW 7 W 6 SW 7
PRECIP AMOUNT 0.63 0.00 0.00 0.00
PRECIP DURATION 7
PRECIP BEGIN 6 PM
PRECIP END 6 AM
MIXING HGT (FT-AGL) 580 2810 380 3610
TRANSPORT WND (KTS) SW 21 W 10 N 8 SW 7
VENT RATE (KT-FT) 12180 28100 3040 25270
MAX ADI EARLY 26 FAIR 33 FAIR 18 GEN POOR 25 FAIR
MAX ADI LATE 23 FAIR 34 FAIR 9 POOR 30 FAIR
MAX LVORI EARLY 9 2 3 2
MAX LVORI LATE 9 2 3 2
MIN VSBY EARLY 1 SMOKE 9 9 9
MIN VSBY LATE 2 SMOKE 9 9 9
SUNSHINE HOURS N/A N/A N/A N/A
CWR 80 0 0 0
REMARKS...NONE.
FORECAST FOR DAYS 3 THROUGH 7
MONDAY NIGHT
PARTLY CLOUDY. LOWS IN THE MID 60S. SOUTH WINDS
5 TO 10 MPH.
TUESDAY
PARTLY SUNNY WITH A CHANCE OF SHOWERS. HIGHS IN THE
UPPER 70S. 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 MID 60S. HIGHS IN THE MID 70S. WEST WINDS
10 TO 15 MPH.
FRIDAY THROUGH SATURDAY
PARTLY CLOUDY. LOWS IN THE MID 60S.
HIGHS IN THE UPPER 70S. SOUTHWEST WINDS 5 TO 10 MPH.
MAZ024-190800-
NANTUCKET MA-
INCLUDING THE CITY OF NANTUCKET
409 PM EDT SAT JUL 18 2026
TONIGHT SUN SUN NIGHT MON
CLOUD COVER MCLDY MCLEAR MCLEAR MCLEAR
PRECIP TYPE TSTMS NONE NONE NONE
CHANCE PRECIP (%) 80 20
CHANCE OF THUNDER (%) 40 0 0 0
TEMP (24H TREND) 68 (+4) 81 (+5) 66 79
RH % (24H TREND) 100 (0) 56 (+6) 79 50
20FT WND AM(MPH) W 11 G21 LGT/VAR
20FT WND PM(MPH) S 15 G25 NW 7 SW 5 SW 6
PRECIP AMOUNT 0.39 0.00 0.00 0.00
PRECIP DURATION 7
PRECIP BEGIN 6 PM
PRECIP END 6 AM
MIXING HGT (FT-AGL) 660 2090 580 1780
TRANSPORT WND (KTS) S 25 N 12 W 10 N 7
VENT RATE (KT-FT) 16500 25080 5800 12460
MAX ADI EARLY 29 FAIR 36 FAIR 14 GEN POOR 16 GEN POOR
MAX ADI LATE 26 FAIR 30 FAIR 17 GEN POOR 18 GEN POOR
MAX LVORI EARLY 9 3 4 2
MAX LVORI LATE 9 3 4 2
MIN VSBY EARLY 2 SMOKE 7 9 9
MIN VSBY LATE 1 SMOKE 9 9 9
SUNSHINE HOURS N/A N/A N/A N/A
CWR 70 0 0 0
REMARKS...NONE.
FORECAST FOR DAYS 3 THROUGH 7
MONDAY NIGHT
PARTLY CLOUDY. LOWS IN THE UPPER 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 AND WEDNESDAY
BREEZY. SHOWERS AND A CHANCE OF
THUNDERSTORMS. LOWS IN THE UPPER 60S. HIGHS IN THE UPPER 70S.
SOUTH WINDS 15 TO 25 MPH.
WEDNESDAY NIGHT
BREEZY. MOSTLY CLOUDY WITH SHOWERS LIKELY.
LOWS IN THE UPPER 60S. SOUTHWEST WINDS 15 TO 25 MPH.
THURSDAY
PARTLY SUNNY WITH SHOWERS LIKELY. HIGHS IN THE MID
70S. SOUTHWEST WINDS 15 TO 20 MPH.
THURSDAY NIGHT
MOSTLY CLOUDY WITH A CHANCE OF SHOWERS. LOWS IN
THE UPPER 60S. SOUTH WINDS 5 TO 10 MPH.
FRIDAY AND FRIDAY NIGHT
PARTLY CLOUDY. A CHANCE OF SHOWERS.
LOWS IN THE UPPER 60S. HIGHS IN THE MID 70S. WEST WINDS 5 TO
10 MPH.
SATURDAY
MOSTLY SUNNY. HIGHS IN THE MID 70S. NORTHWEST WINDS
AROUND 5 MPH, BECOMING SOUTHWEST IN THE AFTERNOON.
OUTLOOK 8 TO 14 DAYS
TEMPERATURES BELOW NORMAL. PRECIPITATION ABOVE NORMAL.
FOR THE LATEST UPDATES...PLEASE VISIT OUR WEBPAGE AT
WWW.WEATHER.GOV/BOSTON
YOU CAN FOLLOW US ON FACEBOOK AT
WWW.FACEBOOK.COM/US.NATIONALWEATHERSERVICE.BOSTON.GOV
YOU CAN FOLLOW US ON TWITTER AT
@NWSBOSTON
CLICK HERE TO GO TO PREVIOUS BULLETINS.
Main Text Page