823
FNUS51 KBOX 200810
FWFBOX
FIRE WEATHER PLANNING FORECAST FOR SOUTHERN NEW ENGLAND
NATIONAL WEATHER SERVICE BOSTON/NORTON MA
410 AM EDT MON APR 20 2026
DISCUSSION
SEASONABLY COOL WITH TEMPERATURES IN THE 50S TODAY THROUGH
WEDNESDAY. MINRH 30-50 PERCENT ON MONDAY AND 20-30 PERCENT ON
TUESDAY. HIGHER MINIMUM RELATIVE HUMIDITY VALUES OVER CAPE COD
AND THE ISLANDS MAY REACH 55 PERCENT ON TUESDAY.
OUTLOOK...WEDNESDAY THROUGH FRIDAY
TRENDING SLIGHTLY WARMER WEDNESDAY THROUGH FRIDAY WITH
WEST/NORTHWEST WINDS LATE WEEK SUPPORTING DRY AFTERNOONS WITH RH
LESS THAN 40 PERCENT ON THURSDAY AND FRIDAY. SOME SHOWERS
POSSIBLE AGAIN WEDNESDAY.
MAZ015-202000-
SUFFOLK MA-
INCLUDING THE CITY OF BOSTON
410 AM EDT MON APR 20 2026
TODAY TONIGHT TUE
CLOUD COVER PCLDY PCLDY MCLEAR
PRECIP TYPE NONE NONE NONE
CHANCE PRECIP (%) 10 20
CHANCE OF THUNDER (%) 0 0 0
TEMP (24H TREND) 52 (+2) 32 (-6) 50
RH % (24H TREND) 36 (-28) 61 (-39) 29
20FT WND AM(MPH) W 6 LGT/VAR
20FT WND PM(MPH) W 8 NW 6 LGT/VAR
PRECIP AMOUNT 0.00 0.00 0.00
PRECIP DURATION
PRECIP BEGIN
PRECIP END
MIXING HGT (FT-AGL) 8220 640 6810
TRANSPORT WND (KTS) W 16 N 11 W 6
VENT RATE (KT-FT) 131520 7040 40860
MAX ADI EARLY 88 GOOD 38 FAIR 42 GEN GOOD
MAX ADI LATE 104 VERY GOOD11 POOR 50 GEN GOOD
MAX LVORI EARLY 2 3 1
MAX LVORI LATE 2 3 1
MIN VSBY EARLY 9 9 9
MIN VSBY LATE 9 9 9
SUNSHINE HOURS N/A N/A N/A
CWR 0 0 0
REMARKS...NONE.
FORECAST FOR DAYS 3 THROUGH 7
TUESDAY NIGHT
PARTLY CLOUDY. LOWS IN THE UPPER 30S. SOUTH
WINDS 5 TO 10 MPH.
WEDNESDAY
MOSTLY CLOUDY. HIGHS IN THE LOWER 50S. SOUTH WINDS
5 TO 10 MPH.
WEDNESDAY NIGHT
MOSTLY CLOUDY. LOWS IN THE LOWER 40S. SOUTH
WINDS 5 TO 10 MPH, BECOMING WEST AFTER MIDNIGHT.
THURSDAY
PARTLY SUNNY. HIGHS IN THE UPPER 50S. NORTHWEST WINDS
5 TO 10 MPH.
THURSDAY NIGHT
PARTLY CLOUDY. LOWS IN THE LOWER 40S. NORTH
WINDS 5 TO 10 MPH.
FRIDAY THROUGH SATURDAY
PARTLY CLOUDY. LOWS IN THE LOWER 40S.
HIGHS IN THE MID 50S. EAST WINDS AROUND 5 MPH.
SATURDAY NIGHT AND SUNDAY
MOSTLY CLOUDY. A CHANCE OF SHOWERS.
LOWS IN THE LOWER 40S. HIGHS IN THE UPPER 50S. EAST WINDS 5 TO
10 MPH.
MAZ016-202000-
EASTERN NORFOLK MA-
INCLUDING THE CITY OF QUINCY
410 AM EDT MON APR 20 2026
TODAY TONIGHT TUE
CLOUD COVER PCLDY PCLDY PCLDY
PRECIP TYPE NONE RAIN NONE
CHANCE PRECIP (%) 10 20
CHANCE OF THUNDER (%) 0 0 0
TEMP (24H TREND) 53 (+3) 31 (-6) 50
RH % (24H TREND) 37 (-30) 64 (-36) 31
20FT WND AM(MPH) W 6 LGT/VAR
20FT WND PM(MPH) W 7 NW 5 LGT/VAR
PRECIP AMOUNT 0.00 0.12 0.00
PRECIP DURATION 0
PRECIP BEGIN 6 PM
PRECIP END 9 PM
MIXING HGT (FT-AGL) 7210 610 6680
TRANSPORT WND (KTS) W 15 N 11 SW 7
VENT RATE (KT-FT) 108150 6710 46760
MAX ADI EARLY 90 GOOD 37 FAIR 46 GEN GOOD
MAX ADI LATE 105 VERY GOOD10 POOR 56 GEN GOOD
MAX LVORI EARLY 2 3 1
MAX LVORI LATE 2 3 1
MIN VSBY EARLY 9 9 9
MIN VSBY LATE 9 9 9
SUNSHINE HOURS N/A N/A N/A
CWR 0 20 0
REMARKS...NONE.
FORECAST FOR DAYS 3 THROUGH 7
TUESDAY NIGHT
PARTLY CLOUDY. LOWS IN THE UPPER 30S. SOUTH
WINDS 5 TO 10 MPH.
WEDNESDAY
MOSTLY CLOUDY. HIGHS AROUND 50. SOUTH WINDS 5 TO
10 MPH.
WEDNESDAY NIGHT
MOSTLY CLOUDY. LOWS AROUND 40. SOUTH WINDS
5 TO 10 MPH, BECOMING WEST AFTER MIDNIGHT.
THURSDAY
PARTLY SUNNY. HIGHS IN THE UPPER 50S. NORTH WINDS
AROUND 5 MPH.
THURSDAY NIGHT
PARTLY CLOUDY. LOWS IN THE LOWER 40S. NORTH
WINDS AROUND 5 MPH.
FRIDAY THROUGH SATURDAY
PARTLY CLOUDY. LOWS IN THE LOWER 40S.
HIGHS IN THE MID 50S. EAST WINDS AROUND 5 MPH.
SATURDAY NIGHT AND SUNDAY
MOSTLY CLOUDY. A CHANCE OF SHOWERS.
LOWS IN THE LOWER 40S. HIGHS IN THE UPPER 50S. EAST WINDS AROUND
5 MPH.
MAZ013-202000-
WESTERN NORFOLK MA-
INCLUDING THE CITIES OF FOXBOROUGH AND NORWOOD
410 AM EDT MON APR 20 2026
TODAY TONIGHT TUE
CLOUD COVER PCLDY PCLDY MCLEAR
PRECIP TYPE NONE NONE NONE
CHANCE PRECIP (%) 10 20
CHANCE OF THUNDER (%) 0 0 0
TEMP (24H TREND) 52 (+1) 27 (-9) 51
RH % (24H TREND) 33 (-38) 67 (-33) 25
20FT WND AM(MPH) W 5 LGT/VAR
20FT WND PM(MPH) W 7 NW 5 LGT/VAR
PRECIP AMOUNT 0.00 0.00 0.00
PRECIP DURATION
PRECIP BEGIN
PRECIP END
MIXING HGT (FT-AGL) 7760 500 7810
TRANSPORT WND (KTS) W 13 N 9 W 6
VENT RATE (KT-FT) 100880 4500 46860
MAX ADI EARLY 104 VERY GOOD40 FAIR 47 GEN GOOD
MAX ADI LATE 104 VERY GOOD9 POOR 60 GEN GOOD
MAX LVORI EARLY 2 3 1
MAX LVORI LATE 2 3 1
MIN VSBY EARLY 9 9 9
MIN VSBY LATE 9 9 9
SUNSHINE HOURS N/A N/A N/A
CWR 0 0 0
REMARKS...NONE.
FORECAST FOR DAYS 3 THROUGH 7
TUESDAY NIGHT
PARTLY CLOUDY. LOWS IN THE MID 30S. SOUTH WINDS
AROUND 5 MPH.
WEDNESDAY
MOSTLY CLOUDY. HIGHS IN THE LOWER 50S. SOUTH WINDS
AROUND 5 MPH.
WEDNESDAY NIGHT AND THURSDAY
MOSTLY CLOUDY. LOWS IN THE UPPER
30S. HIGHS AROUND 60. NORTHWEST WINDS AROUND 5 MPH.
THURSDAY NIGHT
PARTLY CLOUDY. LOWS IN THE UPPER 30S. NORTH
WINDS AROUND 5 MPH.
FRIDAY AND FRIDAY NIGHT
PARTLY CLOUDY. LOWS IN THE UPPER 30S.
HIGHS IN THE UPPER 50S. NORTH WINDS AROUND 5 MPH.
SATURDAY
PARTLY SUNNY. HIGHS IN THE UPPER 50S. NORTHEAST WINDS
AROUND 5 MPH.
SATURDAY NIGHT AND SUNDAY
MOSTLY CLOUDY. A CHANCE OF SHOWERS.
LOWS AROUND 40. HIGHS AROUND 60. EAST WINDS AROUND 5 MPH.
MAZ014-202000-
SOUTHEAST MIDDLESEX MA-
INCLUDING THE CITY OF CAMBRIDGE
410 AM EDT MON APR 20 2026
TODAY TONIGHT TUE
CLOUD COVER PCLDY PCLDY MCLEAR
PRECIP TYPE NONE RAIN NONE
CHANCE PRECIP (%) 10 20
CHANCE OF THUNDER (%) 0 0 0
TEMP (24H TREND) 52 (+2) 29 (-8) 50
RH % (24H TREND) 34 (-38) 63 (-37) 28
20FT WND AM(MPH) W 5 LGT/VAR
20FT WND PM(MPH) W 8 NW 5 LGT/VAR
PRECIP AMOUNT 0.00 0.02 0.00
PRECIP DURATION 0
PRECIP BEGIN 6 PM
PRECIP END 8 PM
MIXING HGT (FT-AGL) 8200 430 6760
TRANSPORT WND (KTS) W 16 N 8 W 5
VENT RATE (KT-FT) 131200 3440 33800
MAX ADI EARLY 103 VERY GOOD39 FAIR 43 GEN GOOD
MAX ADI LATE 105 VERY GOOD10 POOR 55 GEN GOOD
MAX LVORI EARLY 2 3 1
MAX LVORI LATE 2 3 1
MIN VSBY EARLY 9 9 9
MIN VSBY LATE 9 9 9
SUNSHINE HOURS N/A N/A N/A
CWR 0 10 0
REMARKS...NONE.
FORECAST FOR DAYS 3 THROUGH 7
TUESDAY NIGHT
PARTLY CLOUDY. LOWS IN THE UPPER 30S. SOUTH
WINDS AROUND 5 MPH.
WEDNESDAY
MOSTLY CLOUDY. HIGHS IN THE LOWER 50S. SOUTH WINDS
AROUND 5 MPH.
WEDNESDAY NIGHT
MOSTLY CLOUDY. LOWS AROUND 40. SOUTH WINDS
AROUND 5 MPH, BECOMING WEST AFTER MIDNIGHT.
THURSDAY
PARTLY SUNNY. HIGHS IN THE UPPER 50S. NORTHWEST WINDS
AROUND 5 MPH.
THURSDAY NIGHT
PARTLY CLOUDY. LOWS AROUND 40. NORTHWEST WINDS
AROUND 5 MPH.
FRIDAY THROUGH SATURDAY
PARTLY CLOUDY. LOWS AROUND 40. HIGHS
IN THE UPPER 50S. EAST WINDS AROUND 5 MPH.
SATURDAY NIGHT AND SUNDAY
MOSTLY CLOUDY. A CHANCE OF SHOWERS.
LOWS IN THE LOWER 40S. HIGHS IN THE UPPER 50S. EAST WINDS AROUND
5 MPH.
MAZ007-202000-
EASTERN ESSEX MA-
INCLUDING THE CITY OF GLOUCESTER
410 AM EDT MON APR 20 2026
TODAY TONIGHT TUE
CLOUD COVER PCLDY PCLDY MCLEAR
PRECIP TYPE NONE RAIN NONE
CHANCE PRECIP (%) 20 20
CHANCE OF THUNDER (%) 0 0 0
TEMP (24H TREND) 52 (+3) 29 (-8) 48
RH % (24H TREND) 36 (-36) 70 (-30) 32
20FT WND AM(MPH) W 6 LGT/VAR
20FT WND PM(MPH) W 7 N 6 LGT/VAR
PRECIP AMOUNT 0.00 0.05 0.00
PRECIP DURATION 0
PRECIP BEGIN 6 PM
PRECIP END 9 PM
MIXING HGT (FT-AGL) 7620 390 6320
TRANSPORT WND (KTS) W 14 N 10 NW 5
VENT RATE (KT-FT) 106680 3900 31600
MAX ADI EARLY 90 GOOD 33 FAIR 40 FAIR
MAX ADI LATE 79 GOOD 11 POOR 47 GEN GOOD
MAX LVORI EARLY 2 3 1
MAX LVORI LATE 2 3 1
MIN VSBY EARLY 9 9 9
MIN VSBY LATE 9 9 9
SUNSHINE HOURS N/A N/A N/A
CWR 0 10 0
REMARKS...NONE.
FORECAST FOR DAYS 3 THROUGH 7
TUESDAY NIGHT
PARTLY CLOUDY. LOWS IN THE UPPER 30S. SOUTH
WINDS 5 TO 10 MPH.
WEDNESDAY
MOSTLY CLOUDY. HIGHS IN THE UPPER 40S. SOUTH WINDS
5 TO 10 MPH.
WEDNESDAY NIGHT
MOSTLY CLOUDY. LOWS IN THE UPPER 30S. SOUTH
WINDS 5 TO 10 MPH, BECOMING WEST AFTER MIDNIGHT.
THURSDAY
PARTLY SUNNY. HIGHS IN THE MID 50S. NORTH WINDS
AROUND 5 MPH.
THURSDAY NIGHT
PARTLY CLOUDY. LOWS IN THE UPPER 30S. NORTH
WINDS 5 TO 10 MPH.
FRIDAY THROUGH SATURDAY
PARTLY CLOUDY. LOWS AROUND 40. HIGHS
IN THE LOWER 50S. EAST WINDS 5 TO 10 MPH.
SATURDAY NIGHT AND SUNDAY
MOSTLY CLOUDY. A CHANCE OF SHOWERS.
LOWS AROUND 40. HIGHS IN THE MID 50S. EAST WINDS 5 TO 10 MPH.
MAZ006-202000-
WESTERN ESSEX MA-
INCLUDING THE CITY OF LAWRENCE
410 AM EDT MON APR 20 2026
TODAY TONIGHT TUE
CLOUD COVER PCLDY PCLDY MCLEAR
PRECIP TYPE NONE NONE NONE
CHANCE PRECIP (%) 20 20
CHANCE OF THUNDER (%) 0 0 0
TEMP (24H TREND) 52 (+4) 27 (-8) 49
RH % (24H TREND) 32 (-41) 63 (-37) 25
20FT WND AM(MPH) W 5 LGT/VAR
20FT WND PM(MPH) W 7 LGT/VAR LGT/VAR
PRECIP AMOUNT 0.00 0.00 0.00
PRECIP DURATION
PRECIP BEGIN
PRECIP END
MIXING HGT (FT-AGL) 8050 400 7060
TRANSPORT WND (KTS) W 14 N 7 SW 7
VENT RATE (KT-FT) 112700 2800 49420
MAX ADI EARLY 105 VERY GOOD36 FAIR 42 GEN GOOD
MAX ADI LATE 39 FAIR 8 POOR 59 GEN GOOD
MAX LVORI EARLY 2 3 1
MAX LVORI LATE 2 3 1
MIN VSBY EARLY 9 9 9
MIN VSBY LATE 9 9 9
SUNSHINE HOURS N/A N/A N/A
CWR 0 0 0
REMARKS...NONE.
FORECAST FOR DAYS 3 THROUGH 7
TUESDAY NIGHT
PARTLY CLOUDY. LOWS IN THE MID 30S. SOUTH WINDS
AROUND 5 MPH.
WEDNESDAY
MOSTLY CLOUDY. HIGHS AROUND 50. SOUTH WINDS AROUND
5 MPH.
WEDNESDAY NIGHT
MOSTLY CLOUDY. LOWS IN THE UPPER 30S. SOUTH
WINDS AROUND 5 MPH, BECOMING WEST AFTER MIDNIGHT.
THURSDAY
PARTLY SUNNY. HIGHS IN THE UPPER 50S. NORTHWEST WINDS
AROUND 5 MPH.
THURSDAY NIGHT
PARTLY CLOUDY. LOWS IN THE UPPER 30S. NORTHWEST
WINDS AROUND 5 MPH.
FRIDAY THROUGH SATURDAY
PARTLY CLOUDY. LOWS IN THE UPPER 30S.
HIGHS IN THE UPPER 50S. EAST WINDS AROUND 5 MPH.
SATURDAY NIGHT AND SUNDAY
MOSTLY CLOUDY. A CHANCE OF SHOWERS.
LOWS IN THE UPPER 30S. HIGHS IN THE UPPER 50S. EAST WINDS AROUND
5 MPH.
MAZ005-202000-
CENTRAL MIDDLESEX MA-
INCLUDING THE CITIES OF FRAMINGHAM AND LOWELL
410 AM EDT MON APR 20 2026
TODAY TONIGHT TUE
CLOUD COVER PCLDY PCLDY MCLEAR
PRECIP TYPE NONE NONE NONE
CHANCE PRECIP (%) 10 20
CHANCE OF THUNDER (%) 0 0 0
TEMP (24H TREND) 52 (+2) 27 (-9) 51
RH % (24H TREND) 30 (-45) 64 (-36) 24
20FT WND AM(MPH) W 5 LGT/VAR
20FT WND PM(MPH) W 8 NW 5 LGT/VAR
PRECIP AMOUNT 0.00 0.00 0.00
PRECIP DURATION
PRECIP BEGIN
PRECIP END
MIXING HGT (FT-AGL) 8240 400 8240
TRANSPORT WND (KTS) W 14 N 7 SW 7
VENT RATE (KT-FT) 115360 2800 57680
MAX ADI EARLY 104 VERY GOOD39 FAIR 45 GEN GOOD
MAX ADI LATE 101 VERY GOOD8 POOR 68 GOOD
MAX LVORI EARLY 2 3 1
MAX LVORI LATE 2 3 1
MIN VSBY EARLY 9 9 9
MIN VSBY LATE 9 9 9
SUNSHINE HOURS N/A N/A N/A
CWR 0 0 0
REMARKS...NONE.
FORECAST FOR DAYS 3 THROUGH 7
TUESDAY NIGHT
PARTLY CLOUDY. LOWS IN THE MID 30S. SOUTH WINDS
AROUND 5 MPH.
WEDNESDAY
MOSTLY CLOUDY. HIGHS IN THE LOWER 50S. SOUTH WINDS
AROUND 5 MPH.
WEDNESDAY NIGHT
MOSTLY CLOUDY. LOWS IN THE UPPER 30S. SOUTH
WINDS AROUND 5 MPH, BECOMING WEST AFTER MIDNIGHT.
THURSDAY
PARTLY SUNNY. HIGHS AROUND 60. NORTHWEST WINDS 5 TO
10 MPH.
THURSDAY NIGHT
PARTLY CLOUDY. LOWS IN THE UPPER 30S. NORTHWEST
WINDS AROUND 5 MPH.
FRIDAY THROUGH SATURDAY
PARTLY CLOUDY. LOWS IN THE UPPER 30S.
HIGHS IN THE UPPER 50S. EAST WINDS AROUND 5 MPH.
SATURDAY NIGHT AND SUNDAY
MOSTLY CLOUDY. A CHANCE OF SHOWERS.
LOWS AROUND 40. HIGHS AROUND 60. EAST WINDS AROUND 5 MPH.
MAZ012-202000-
SOUTHERN WORCESTER MA-
INCLUDING THE CITIES OF MILFORD AND WORCESTER
410 AM EDT MON APR 20 2026
TODAY TONIGHT TUE
CLOUD COVER PCLDY PCLDY MCLEAR
PRECIP TYPE NONE NONE NONE
CHANCE PRECIP (%) 10 10
CHANCE OF THUNDER (%) 0 0 0
TEMP (24H TREND) 52 (+2) 27 (-8) 51
RH % (24H TREND) 34 (-38) 66 (-34) 25
20FT WND AM(MPH) W 6 LGT/VAR
20FT WND PM(MPH) W 8 NW 5 LGT/VAR
PRECIP AMOUNT 0.00 0.00 0.00
PRECIP DURATION
PRECIP BEGIN
PRECIP END
MIXING HGT (FT-AGL) 7600 450 7730
TRANSPORT WND (KTS) W 15 N 8 W 8
VENT RATE (KT-FT) 114000 3600 61840
MAX ADI EARLY 95 GOOD 84 GOOD 47 GEN GOOD
MAX ADI LATE 105 VERY GOOD8 POOR 71 GOOD
MAX LVORI EARLY 2 3 1
MAX LVORI LATE 2 3 1
MIN VSBY EARLY 9 9 9
MIN VSBY LATE 9 9 9
SUNSHINE HOURS N/A N/A N/A
CWR 0 0 0
REMARKS...NONE.
FORECAST FOR DAYS 3 THROUGH 7
TUESDAY NIGHT
PARTLY CLOUDY. LOWS IN THE MID 30S. SOUTH WINDS
5 TO 10 MPH.
WEDNESDAY
MOSTLY CLOUDY. HIGHS AROUND 50. SOUTH WINDS 5 TO
10 MPH.
WEDNESDAY NIGHT AND THURSDAY
MOSTLY CLOUDY. WARMER. LOWS IN
THE UPPER 30S. HIGHS IN THE LOWER 60S. NORTHWEST WINDS 5 TO
10 MPH.
THURSDAY NIGHT THROUGH FRIDAY NIGHT
PARTLY CLOUDY. LOWS IN THE
UPPER 30S. HIGHS AROUND 60. NORTHEAST WINDS 5 TO 10 MPH.
SATURDAY
PARTLY SUNNY. HIGHS IN THE UPPER 50S. NORTHEAST WINDS
AROUND 5 MPH, BECOMING SOUTHEAST AROUND 5 MPH IN THE AFTERNOON.
SATURDAY NIGHT AND SUNDAY
MOSTLY CLOUDY. A CHANCE OF SHOWERS.
LOWS IN THE UPPER 30S. HIGHS AROUND 60. EAST WINDS AROUND 5 MPH.
MAZ004-202000-
NORTHERN WORCESTER MA-
INCLUDING THE CITIES OF BARRE AND FITCHBURG
410 AM EDT MON APR 20 2026
TODAY TONIGHT TUE
CLOUD COVER PCLDY PCLDY MCLEAR
PRECIP TYPE NONE NONE NONE
CHANCE PRECIP (%) 20 10
CHANCE OF THUNDER (%) 0 0 0
TEMP (24H TREND) 49 (0) 24 (-10) 50
RH % (24H TREND) 33 (-39) 71 (-29) 21
20FT WND AM(MPH) W 6 LGT/VAR
20FT WND PM(MPH) W 8 LGT/VAR LGT/VAR
PRECIP AMOUNT 0.00 0.00 0.00
PRECIP DURATION
PRECIP BEGIN
PRECIP END
MIXING HGT (FT-AGL) 7770 580 7650
TRANSPORT WND (KTS) W 15 N 7 W 9
VENT RATE (KT-FT) 116550 4060 68850
MAX ADI EARLY 103 VERY GOOD38 FAIR 40 FAIR
MAX ADI LATE 67 GOOD 5 VERY POOR 78 GOOD
MAX LVORI EARLY 2 3 1
MAX LVORI LATE 2 3 1
MIN VSBY EARLY 6 FOG 9 9
MIN VSBY LATE 9 9 9
SUNSHINE HOURS N/A N/A N/A
CWR 0 0 0
REMARKS...NONE.
FORECAST FOR DAYS 3 THROUGH 7
TUESDAY NIGHT
MOSTLY CLOUDY. LOWS IN THE LOWER 30S. SOUTH
WINDS 5 TO 10 MPH.
WEDNESDAY
MOSTLY CLOUDY. HIGHS IN THE UPPER 40S. SOUTH WINDS
5 TO 10 MPH.
WEDNESDAY NIGHT
MOSTLY CLOUDY. LOWS IN THE MID 30S. SOUTH
WINDS 5 TO 10 MPH, BECOMING NORTHWEST AFTER MIDNIGHT.
THURSDAY THROUGH FRIDAY
PARTLY CLOUDY. LOWS IN THE MID 30S.
HIGHS IN THE UPPER 50S. NORTH WINDS 5 TO 10 MPH.
FRIDAY NIGHT
PARTLY CLOUDY. LOWS IN THE MID 30S. NORTHEAST
WINDS AROUND 5 MPH.
SATURDAY
PARTLY SUNNY. HIGHS IN THE UPPER 50S. NORTHEAST WINDS
AROUND 5 MPH, BECOMING SOUTHEAST IN THE AFTERNOON.
SATURDAY NIGHT AND SUNDAY
MOSTLY CLOUDY. A CHANCE OF SHOWERS.
LOWS IN THE UPPER 30S. HIGHS IN THE UPPER 50S. EAST WINDS AROUND
5 MPH.
MAZ026-202000-
NORTHERN MIDDLESEX MA-
INCLUDING THE CITY OF AYER
410 AM EDT MON APR 20 2026
TODAY TONIGHT TUE
CLOUD COVER PCLDY PCLDY MCLEAR
PRECIP TYPE NONE NONE NONE
CHANCE PRECIP (%) 20 10
CHANCE OF THUNDER (%) 0 0 0
TEMP (24H TREND) 51 (+2) 25 (-9) 52
RH % (24H TREND) 36 (-36) 61 (-39) 24
20FT WND AM(MPH) W 5 LGT/VAR
20FT WND PM(MPH) W 7 LGT/VAR LGT/VAR
PRECIP AMOUNT 0.00 0.00 0.00
PRECIP DURATION
PRECIP BEGIN
PRECIP END
MIXING HGT (FT-AGL) 8150 320 8310
TRANSPORT WND (KTS) W 13 N 6 SW 8
VENT RATE (KT-FT) 105950 1920 66480
MAX ADI EARLY 105 VERY GOOD38 FAIR 40 FAIR
MAX ADI LATE 65 GOOD 5 VERY POOR 87 GOOD
MAX LVORI EARLY 2 3 1
MAX LVORI LATE 2 3 1
MIN VSBY EARLY 9 9 9
MIN VSBY LATE 9 9 9
SUNSHINE HOURS N/A N/A N/A
CWR 0 0 0
REMARKS...NONE.
FORECAST FOR DAYS 3 THROUGH 7
TUESDAY NIGHT
PARTLY CLOUDY. LOWS IN THE LOWER 30S. SOUTH
WINDS AROUND 5 MPH.
WEDNESDAY
MOSTLY CLOUDY. HIGHS AROUND 50. SOUTH WINDS AROUND
5 MPH.
WEDNESDAY NIGHT
MOSTLY CLOUDY. LOWS IN THE UPPER 30S. SOUTH
WINDS AROUND 5 MPH, BECOMING WEST AFTER MIDNIGHT.
THURSDAY THROUGH FRIDAY NIGHT
PARTLY CLOUDY. LOWS IN THE UPPER
30S. HIGHS AROUND 60. NORTH WINDS 5 TO 10 MPH.
SATURDAY
PARTLY SUNNY. HIGHS IN THE UPPER 50S. NORTHEAST WINDS
AROUND 5 MPH, BECOMING SOUTHEAST IN THE AFTERNOON.
SATURDAY NIGHT AND SUNDAY
MOSTLY CLOUDY. A CHANCE OF SHOWERS.
LOWS IN THE UPPER 30S. HIGHS IN THE LOWER 60S. EAST WINDS AROUND
5 MPH.
MAZ002-202000-
WESTERN FRANKLIN MA-
INCLUDING THE CITY OF CHARLEMONT
410 AM EDT MON APR 20 2026
TODAY TONIGHT TUE
CLOUD COVER PCLDY MCLEAR MCLEAR
PRECIP TYPE RAIN NONE NONE
CHANCE PRECIP (%) 20 10
CHANCE OF THUNDER (%) 0 0 0
TEMP (24H TREND) 46 (-2) 21 (-12) 49
RH % (24H TREND) 35 (-28) 68 (-32) 24
20FT WND AM(MPH) W 7 G18 LGT/VAR
20FT WND PM(MPH) W 8 LGT/VAR LGT/VAR
PRECIP AMOUNT 0.01 0.00 0.00
PRECIP DURATION 0
PRECIP BEGIN 3 PM
PRECIP END 6 PM
MIXING HGT (FT-AGL) 6910 90 6960
TRANSPORT WND (KTS) W 15 N 5 SW 9
VENT RATE (KT-FT) 103650 450 62640
MAX ADI EARLY 105 VERY GOOD85 GOOD 49 GEN GOOD
MAX ADI LATE 105 VERY GOOD3 VERY POOR 81 GOOD
MAX LVORI EARLY 1 3 1
MAX LVORI LATE 1 3 1
MIN VSBY EARLY 8 9 9
MIN VSBY LATE 9 9 9
SUNSHINE HOURS N/A N/A N/A
CWR 0 0
REMARKS...NONE.
FORECAST FOR DAYS 3 THROUGH 7
TUESDAY NIGHT
MOSTLY CLOUDY. LOWS IN THE LOWER 30S. SOUTH
WINDS AROUND 5 MPH.
WEDNESDAY
MOSTLY CLOUDY. HIGHS IN THE UPPER 40S. SOUTH WINDS
AROUND 5 MPH.
WEDNESDAY NIGHT
MOSTLY CLOUDY. LOWS IN THE MID 30S. SOUTH
WINDS AROUND 5 MPH, BECOMING WEST AFTER MIDNIGHT.
THURSDAY THROUGH FRIDAY
PARTLY CLOUDY. LOWS IN THE MID 30S.
HIGHS IN THE UPPER 50S. NORTH WINDS 5 TO 10 MPH.
FRIDAY NIGHT
MOSTLY CLEAR. LOWS IN THE MID 30S. NORTHEAST
WINDS AROUND 5 MPH.
SATURDAY THROUGH SUNDAY
MOSTLY CLOUDY WITH A CHANCE OF RAIN
SHOWERS. LOWS IN THE UPPER 30S. HIGHS IN THE UPPER 50S. EAST
WINDS AROUND 5 MPH.
MAZ003-202000-
EASTERN FRANKLIN MA-
INCLUDING THE CITIES OF GREENFIELD AND ORANGE
410 AM EDT MON APR 20 2026
TODAY TONIGHT TUE
CLOUD COVER PCLDY PCLDY MCLEAR
PRECIP TYPE RAIN NONE NONE
CHANCE PRECIP (%) 20 10
CHANCE OF THUNDER (%) 0 0 0
TEMP (24H TREND) 48 (-1) 23 (-12) 51
RH % (24H TREND) 34 (-33) 71 (-29) 23
20FT WND AM(MPH) W 5 LGT/VAR
20FT WND PM(MPH) W 8 LGT/VAR LGT/VAR
PRECIP AMOUNT 0.01 0.00 0.00
PRECIP DURATION 0
PRECIP BEGIN 3 PM
PRECIP END 6 PM
MIXING HGT (FT-AGL) 7560 300 7600
TRANSPORT WND (KTS) W 13 N 5 SW 10
VENT RATE (KT-FT) 98280 1500 76000
MAX ADI EARLY 105 VERY GOOD48 GEN GOOD 37 FAIR
MAX ADI LATE 87 GOOD 4 VERY POOR 88 GOOD
MAX LVORI EARLY 2 3 1
MAX LVORI LATE 2 3 1
MIN VSBY EARLY 4 FOG 9 9
MIN VSBY LATE 9 9 9
SUNSHINE HOURS N/A N/A N/A
CWR 0 0
REMARKS...NONE.
FORECAST FOR DAYS 3 THROUGH 7
TUESDAY NIGHT
MOSTLY CLOUDY. LOWS IN THE MID 30S. SOUTH WINDS
5 TO 10 MPH.
WEDNESDAY
MOSTLY CLOUDY. HIGHS IN THE LOWER 50S. SOUTH WINDS
5 TO 10 MPH.
WEDNESDAY NIGHT
MOSTLY CLOUDY. LOWS IN THE UPPER 30S. SOUTH
WINDS AROUND 5 MPH, BECOMING NORTHWEST AFTER MIDNIGHT.
THURSDAY THROUGH FRIDAY
PARTLY CLOUDY. LOWS IN THE UPPER 30S.
HIGHS AROUND 60. NORTH WINDS 5 TO 10 MPH.
FRIDAY NIGHT
PARTLY CLOUDY. LOWS IN THE UPPER 30S. NORTHEAST
WINDS AROUND 5 MPH.
SATURDAY THROUGH SUNDAY
MOSTLY CLOUDY WITH A CHANCE OF
SHOWERS. LOWS IN THE UPPER 30S. HIGHS IN THE LOWER 60S. EAST
WINDS AROUND 5 MPH.
MAZ008-202000-
WESTERN HAMPSHIRE MA-
INCLUDING THE CITY OF CHESTERFIELD
410 AM EDT MON APR 20 2026
TODAY TONIGHT TUE
CLOUD COVER PCLDY MCLEAR MCLEAR
PRECIP TYPE NONE NONE NONE
CHANCE PRECIP (%) 10 10
CHANCE OF THUNDER (%) 0 0 0
TEMP (24H TREND) 45 (-3) 22 (-12) 49
RH % (24H TREND) 34 (-30) 68 (-32) 25
20FT WND AM(MPH) W 7 G18 LGT/VAR
20FT WND PM(MPH) W 9 G17 NW 5 LGT/VAR
PRECIP AMOUNT 0.00 0.00 0.00
PRECIP DURATION
PRECIP BEGIN
PRECIP END
MIXING HGT (FT-AGL) 7090 340 6850
TRANSPORT WND (KTS) W 16 N 5 SW 9
VENT RATE (KT-FT) 113440 1700 61650
MAX ADI EARLY 104 VERY GOOD98 GOOD 48 GEN GOOD
MAX ADI LATE 105 VERY GOOD4 VERY POOR 76 GOOD
MAX LVORI EARLY 1 3 1
MAX LVORI LATE 1 3 1
MIN VSBY EARLY 9 9 9
MIN VSBY LATE 9 9 9
SUNSHINE HOURS N/A N/A N/A
CWR 0 0 0
REMARKS...NONE.
FORECAST FOR DAYS 3 THROUGH 7
TUESDAY NIGHT
MOSTLY CLOUDY. LOWS IN THE LOWER 30S. SOUTH
WINDS AROUND 5 MPH.
WEDNESDAY
MOSTLY CLOUDY. HIGHS AROUND 50. SOUTH WINDS AROUND
5 MPH.
WEDNESDAY NIGHT
MOSTLY CLOUDY. LOWS IN THE MID 30S. SOUTH
WINDS AROUND 5 MPH, BECOMING WEST AFTER MIDNIGHT.
THURSDAY THROUGH FRIDAY
PARTLY CLOUDY. LOWS IN THE UPPER 30S.
HIGHS IN THE UPPER 50S. NORTHWEST WINDS 5 TO 10 MPH.
FRIDAY NIGHT
PARTLY CLOUDY. LOWS IN THE UPPER 30S. NORTHEAST
WINDS AROUND 5 MPH.
SATURDAY THROUGH SUNDAY
MOSTLY CLOUDY WITH A CHANCE OF
SHOWERS. LOWS IN THE UPPER 30S. HIGHS IN THE UPPER 50S. EAST
WINDS AROUND 5 MPH.
MAZ010-202000-
EASTERN HAMPSHIRE MA-
INCLUDING THE CITIES OF AMHERST AND NORTHAMPTON
410 AM EDT MON APR 20 2026
TODAY TONIGHT TUE
CLOUD COVER PCLDY PCLDY MCLEAR
PRECIP TYPE NONE NONE NONE
CHANCE PRECIP (%) 10 10
CHANCE OF THUNDER (%) 0 0 0
TEMP (24H TREND) 50 (+1) 25 (-10) 53
RH % (24H TREND) 30 (-34) 68 (-32) 23
20FT WND AM(MPH) W 5 LGT/VAR
20FT WND PM(MPH) W 9 NW 5 LGT/VAR
PRECIP AMOUNT 0.00 0.00 0.00
PRECIP DURATION
PRECIP BEGIN
PRECIP END
MIXING HGT (FT-AGL) 7770 270 7730
TRANSPORT WND (KTS) W 15 N 5 SW 9
VENT RATE (KT-FT) 116550 1350 69570
MAX ADI EARLY 104 VERY GOOD60 GEN GOOD 37 FAIR
MAX ADI LATE 95 GOOD 4 VERY POOR 83 GOOD
MAX LVORI EARLY 1 3 1
MAX LVORI LATE 1 3 1
MIN VSBY EARLY 8 9 9
MIN VSBY LATE 9 9 9
SUNSHINE HOURS N/A N/A N/A
CWR 0 0 0
REMARKS...NONE.
FORECAST FOR DAYS 3 THROUGH 7
TUESDAY NIGHT
MOSTLY CLOUDY. LOWS IN THE MID 30S. SOUTH WINDS
5 TO 10 MPH.
WEDNESDAY
MOSTLY CLOUDY. HIGHS IN THE LOWER 50S. SOUTH WINDS
5 TO 10 MPH.
WEDNESDAY NIGHT
MOSTLY CLOUDY. LOWS IN THE UPPER 30S.
SOUTHEAST WINDS AROUND 5 MPH, BECOMING NORTH AFTER MIDNIGHT.
THURSDAY THROUGH FRIDAY
PARTLY CLOUDY. LOWS IN THE UPPER 30S.
HIGHS IN THE LOWER 60S. NORTHWEST WINDS 5 TO 10 MPH.
FRIDAY NIGHT
PARTLY CLOUDY. LOWS IN THE UPPER 30S. NORTHEAST
WINDS AROUND 5 MPH.
SATURDAY THROUGH SUNDAY
MOSTLY CLOUDY WITH A CHANCE OF
SHOWERS. LOWS IN THE UPPER 30S. HIGHS IN THE LOWER 60S. EAST
WINDS AROUND 5 MPH.
MAZ009-202000-
WESTERN HAMPDEN MA-
INCLUDING THE CITY OF BLANDFORD
410 AM EDT MON APR 20 2026
TODAY TONIGHT TUE
CLOUD COVER PCLDY MCLEAR MCLEAR
PRECIP TYPE NONE NONE NONE
CHANCE PRECIP (%) 10 10
CHANCE OF THUNDER (%) 0 0 0
TEMP (24H TREND) 47 (0) 24 (-10) 50
RH % (24H TREND) 31 (-36) 65 (-35) 24
20FT WND AM(MPH) NW 7 LGT/VAR
20FT WND PM(MPH) NW 9 NW 6 LGT/VAR
PRECIP AMOUNT 0.00 0.00 0.00
PRECIP DURATION
PRECIP BEGIN
PRECIP END
MIXING HGT (FT-AGL) 7120 390 6700
TRANSPORT WND (KTS) W 17 NW 11 W 9
VENT RATE (KT-FT) 121040 4290 60300
MAX ADI EARLY 104 VERY GOOD104 VERY GOOD48 GEN GOOD
MAX ADI LATE 105 VERY GOOD5 VERY POOR 72 GOOD
MAX LVORI EARLY 1 3 1
MAX LVORI LATE 1 3 1
MIN VSBY EARLY 9 9 9
MIN VSBY LATE 9 9 9
SUNSHINE HOURS N/A N/A N/A
CWR 0 0 0
REMARKS...NONE.
FORECAST FOR DAYS 3 THROUGH 7
TUESDAY NIGHT
MOSTLY CLOUDY WITH A CHANCE OF RAIN SHOWERS.
LOWS IN THE MID 30S. SOUTH WINDS AROUND 5 MPH.
WEDNESDAY
MOSTLY CLOUDY. HIGHS IN THE LOWER 50S. SOUTH WINDS
AROUND 5 MPH.
WEDNESDAY NIGHT
MOSTLY CLOUDY. LOWS IN THE UPPER 30S. SOUTH
WINDS AROUND 5 MPH, BECOMING WEST AFTER MIDNIGHT.
THURSDAY THROUGH FRIDAY
PARTLY CLOUDY. LOWS IN THE UPPER 30S.
HIGHS AROUND 60. NORTHWEST WINDS 5 TO 10 MPH.
FRIDAY NIGHT
PARTLY CLOUDY. LOWS IN THE UPPER 30S. NORTHEAST
WINDS AROUND 5 MPH.
SATURDAY THROUGH SUNDAY
MOSTLY CLOUDY WITH A CHANCE OF
SHOWERS. LOWS IN THE UPPER 30S. HIGHS IN THE UPPER 50S. EAST
WINDS AROUND 5 MPH.
MAZ011-202000-
EASTERN HAMPDEN MA-
INCLUDING THE CITY OF SPRINGFIELD
410 AM EDT MON APR 20 2026
TODAY TONIGHT TUE
CLOUD COVER PCLDY PCLDY MCLEAR
PRECIP TYPE NONE NONE NONE
CHANCE PRECIP (%) 10 10
CHANCE OF THUNDER (%) 0 0 0
TEMP (24H TREND) 50 (+1) 26 (-10) 53
RH % (24H TREND) 28 (-34) 72 (-28) 22
20FT WND AM(MPH) W 5 LGT/VAR
20FT WND PM(MPH) NW 8 NW 5 LGT/VAR
PRECIP AMOUNT 0.00 0.00 0.00
PRECIP DURATION
PRECIP BEGIN
PRECIP END
MIXING HGT (FT-AGL) 7710 250 7530
TRANSPORT WND (KTS) W 16 N 5 SW 9
VENT RATE (KT-FT) 123360 1250 67770
MAX ADI EARLY 99 GOOD 49 GEN GOOD 35 FAIR
MAX ADI LATE 95 GOOD 5 VERY POOR 80 GOOD
MAX LVORI EARLY 1 3 1
MAX LVORI LATE 1 3 1
MIN VSBY EARLY 9 9 9
MIN VSBY LATE 9 9 9
SUNSHINE HOURS N/A N/A N/A
CWR 0 0 0
REMARKS...NONE.
FORECAST FOR DAYS 3 THROUGH 7
TUESDAY NIGHT
MOSTLY CLOUDY. LOWS IN THE MID 30S. SOUTH WINDS
5 TO 10 MPH.
WEDNESDAY
MOSTLY CLOUDY. HIGHS IN THE LOWER 50S. SOUTH WINDS
5 TO 10 MPH.
WEDNESDAY NIGHT
MOSTLY CLOUDY. LOWS IN THE UPPER 30S.
SOUTHEAST WINDS 5 TO 10 MPH, BECOMING NORTH AFTER MIDNIGHT.
THURSDAY THROUGH FRIDAY
PARTLY CLOUDY. LOWS IN THE UPPER 30S.
HIGHS IN THE LOWER 60S. NORTHWEST WINDS 5 TO 10 MPH.
FRIDAY NIGHT
PARTLY CLOUDY. LOWS IN THE UPPER 30S. NORTHEAST
WINDS AROUND 5 MPH.
SATURDAY THROUGH SUNDAY
MOSTLY CLOUDY WITH A CHANCE OF
SHOWERS. LOWS IN THE UPPER 30S. HIGHS IN THE LOWER 60S. EAST
WINDS AROUND 5 MPH.
CTZ002-202000-
HARTFORD CT-
INCLUDING THE CITIES OF HARTFORD AND WINDSOR LOCKS
410 AM EDT MON APR 20 2026
TODAY TONIGHT TUE
CLOUD COVER PCLDY MCLEAR MCLEAR
PRECIP TYPE NONE NONE NONE
CHANCE PRECIP (%) 10 10
CHANCE OF THUNDER (%) 0 0 0
TEMP (24H TREND) 52 (+2) 28 (-9) 53
RH % (24H TREND) 29 (-32) 66 (-34) 22
20FT WND AM(MPH) LGT/VAR LGT/VAR
20FT WND PM(MPH) NW 7 NW 6 LGT/VAR
PRECIP AMOUNT 0.00 0.00 0.00
PRECIP DURATION
PRECIP BEGIN
PRECIP END
MIXING HGT (FT-AGL) 7530 520 7340
TRANSPORT WND (KTS) W 13 N 10 W 9
VENT RATE (KT-FT) 97890 5200 66060
MAX ADI EARLY 64 GOOD 98 GOOD 35 FAIR
MAX ADI LATE 101 VERY GOOD5 VERY POOR 82 GOOD
MAX LVORI EARLY 1 3 1
MAX LVORI LATE 1 3 1
MIN VSBY EARLY 9 9 9
MIN VSBY LATE 9 9 9
SUNSHINE HOURS N/A N/A N/A
CWR 0 0 0
REMARKS...NONE.
FORECAST FOR DAYS 3 THROUGH 7
TUESDAY NIGHT
MOSTLY CLOUDY WITH A CHANCE OF RAIN SHOWERS.
LOWS IN THE UPPER 30S. SOUTH WINDS AROUND 5 MPH.
WEDNESDAY
MOSTLY CLOUDY. HIGHS IN THE MID 50S. SOUTH WINDS
5 TO 10 MPH.
WEDNESDAY NIGHT
MOSTLY CLOUDY. LOWS AROUND 40. SOUTHEAST WINDS
AROUND 5 MPH, BECOMING NORTH AFTER MIDNIGHT.
THURSDAY THROUGH FRIDAY
PARTLY CLOUDY. LOWS IN THE LOWER 40S.
HIGHS IN THE MID 60S. NORTHWEST WINDS 5 TO 10 MPH.
FRIDAY NIGHT
PARTLY CLOUDY. LOWS AROUND 40. NORTHEAST WINDS
AROUND 5 MPH.
SATURDAY THROUGH SUNDAY
MOSTLY CLOUDY WITH A CHANCE OF
SHOWERS. LOWS AROUND 40. HIGHS IN THE LOWER 60S. EAST WINDS
AROUND 5 MPH.
CTZ003-202000-
TOLLAND CT-
INCLUDING THE CITIES OF UNION AND VERNON
410 AM EDT MON APR 20 2026
TODAY TONIGHT TUE
CLOUD COVER PCLDY MCLEAR MCLEAR
PRECIP TYPE NONE NONE NONE
CHANCE PRECIP (%) 10 10
CHANCE OF THUNDER (%) 0 0 0
TEMP (24H TREND) 51 (+2) 27 (-9) 52
RH % (24H TREND) 34 (-35) 69 (-31) 25
20FT WND AM(MPH) W 5 LGT/VAR
20FT WND PM(MPH) NW 7 NW 5 LGT/VAR
PRECIP AMOUNT 0.00 0.00 0.00
PRECIP DURATION
PRECIP BEGIN
PRECIP END
MIXING HGT (FT-AGL) 7200 450 7120
TRANSPORT WND (KTS) W 14 N 9 W 8
VENT RATE (KT-FT) 100800 4050 56960
MAX ADI EARLY 69 GOOD 89 GOOD 38 FAIR
MAX ADI LATE 83 GOOD 5 VERY POOR 82 GOOD
MAX LVORI EARLY 2 3 1
MAX LVORI LATE 2 3 1
MIN VSBY EARLY 9 9 9
MIN VSBY LATE 9 9 9
SUNSHINE HOURS N/A N/A N/A
CWR 0 0 0
REMARKS...NONE.
FORECAST FOR DAYS 3 THROUGH 7
TUESDAY NIGHT
MOSTLY CLOUDY WITH A CHANCE OF RAIN SHOWERS.
LOWS IN THE MID 30S. SOUTH WINDS 5 TO 10 MPH.
WEDNESDAY
MOSTLY CLOUDY. HIGHS IN THE LOWER 50S. SOUTH WINDS
5 TO 10 MPH.
WEDNESDAY NIGHT
MOSTLY CLOUDY. LOWS IN THE UPPER 30S.
SOUTHEAST WINDS AROUND 5 MPH, BECOMING NORTHEAST AFTER MIDNIGHT.
THURSDAY THROUGH FRIDAY
PARTLY CLOUDY. LOWS AROUND 40. HIGHS
IN THE LOWER 60S. NORTHWEST WINDS 5 TO 10 MPH.
FRIDAY NIGHT
PARTLY CLOUDY. LOWS IN THE UPPER 30S. EAST WINDS
AROUND 5 MPH.
SATURDAY THROUGH SUNDAY
MOSTLY CLOUDY WITH A CHANCE OF
SHOWERS. LOWS IN THE UPPER 30S. HIGHS IN THE LOWER 60S. EAST
WINDS AROUND 5 MPH.
CTZ004-202000-
WINDHAM CT-
INCLUDING THE CITIES OF PUTNAM AND WILLIMANTIC
410 AM EDT MON APR 20 2026
TODAY TONIGHT TUE
CLOUD COVER PCLDY MCLEAR MCLEAR
PRECIP TYPE NONE NONE NONE
CHANCE PRECIP (%) 10 10
CHANCE OF THUNDER (%) 0 0 0
TEMP (24H TREND) 51 (+1) 27 (-9) 52
RH % (24H TREND) 33 (-37) 69 (-31) 22
20FT WND AM(MPH) W 5 LGT/VAR
20FT WND PM(MPH) NW 7 NW 5 LGT/VAR
PRECIP AMOUNT 0.00 0.00 0.00
PRECIP DURATION
PRECIP BEGIN
PRECIP END
MIXING HGT (FT-AGL) 7230 530 7310
TRANSPORT WND (KTS) W 14 N 9 W 8
VENT RATE (KT-FT) 101220 4770 58480
MAX ADI EARLY 79 GOOD 87 GOOD 52 GEN GOOD
MAX ADI LATE 101 VERY GOOD5 VERY POOR 74 GOOD
MAX LVORI EARLY 2 3 1
MAX LVORI LATE 2 3 1
MIN VSBY EARLY 9 9 9
MIN VSBY LATE 9 9 9
SUNSHINE HOURS N/A N/A N/A
CWR 0 0 0
REMARKS...NONE.
FORECAST FOR DAYS 3 THROUGH 7
TUESDAY NIGHT
MOSTLY CLOUDY WITH A CHANCE OF RAIN SHOWERS.
LOWS IN THE MID 30S. SOUTH WINDS 5 TO 10 MPH.
WEDNESDAY
MOSTLY CLOUDY. HIGHS IN THE LOWER 50S. SOUTH WINDS
5 TO 10 MPH.
WEDNESDAY NIGHT
MOSTLY CLOUDY. LOWS IN THE UPPER 30S.
SOUTHEAST WINDS AROUND 5 MPH, BECOMING NORTH AFTER MIDNIGHT.
THURSDAY THROUGH FRIDAY
PARTLY CLOUDY. LOWS IN THE UPPER 30S.
HIGHS IN THE LOWER 60S. NORTH WINDS 5 TO 10 MPH.
FRIDAY NIGHT
PARTLY CLOUDY. LOWS IN THE UPPER 30S. EAST WINDS
AROUND 5 MPH.
SATURDAY
PARTLY SUNNY. HIGHS AROUND 60. EAST WINDS AROUND
5 MPH, BECOMING SOUTHEAST AROUND 5 MPH IN THE AFTERNOON.
SATURDAY NIGHT AND SUNDAY
MOSTLY CLOUDY. A CHANCE OF SHOWERS.
LOWS IN THE UPPER 30S. HIGHS IN THE LOWER 60S. EAST WINDS AROUND
5 MPH.
RIZ001-202000-
NORTHWEST PROVIDENCE RI-
INCLUDING THE CITIES OF FOSTER AND SMITHFIELD
410 AM EDT MON APR 20 2026
TODAY TONIGHT TUE
CLOUD COVER PCLDY PCLDY MCLEAR
PRECIP TYPE NONE NONE NONE
CHANCE PRECIP (%) 10 20
CHANCE OF THUNDER (%) 0 0 0
TEMP (24H TREND) 51 (+1) 27 (-9) 51
RH % (24H TREND) 37 (-35) 69 (-31) 27
20FT WND AM(MPH) W 5 LGT/VAR
20FT WND PM(MPH) W 7 NW 5 LGT/VAR
PRECIP AMOUNT 0.00 0.00 0.00
PRECIP DURATION
PRECIP BEGIN
PRECIP END
MIXING HGT (FT-AGL) 7200 570 7530
TRANSPORT WND (KTS) W 14 N 10 W 6
VENT RATE (KT-FT) 100800 5700 45180
MAX ADI EARLY 101 VERY GOOD80 GOOD 50 GEN GOOD
MAX ADI LATE 101 VERY GOOD8 POOR 66 GOOD
MAX LVORI EARLY 2 3 1
MAX LVORI LATE 2 3 1
MIN VSBY EARLY 9 9 9
MIN VSBY LATE 9 9 9
SUNSHINE HOURS N/A N/A N/A
CWR 0 0 0
REMARKS...NONE.
FORECAST FOR DAYS 3 THROUGH 7
TUESDAY NIGHT
PARTLY CLOUDY. LOWS IN THE MID 30S. SOUTH WINDS
AROUND 5 MPH.
WEDNESDAY
MOSTLY CLOUDY. HIGHS AROUND 50. SOUTH WINDS 5 TO
10 MPH.
WEDNESDAY NIGHT AND THURSDAY
MOSTLY CLOUDY. WARMER. LOWS IN
THE UPPER 30S. HIGHS IN THE LOWER 60S. NORTHWEST WINDS AROUND
5 MPH.
THURSDAY NIGHT THROUGH FRIDAY NIGHT
PARTLY CLOUDY. LOWS IN THE
UPPER 30S. HIGHS AROUND 60. NORTHEAST WINDS AROUND 5 MPH.
SATURDAY
PARTLY SUNNY. HIGHS IN THE UPPER 50S. NORTHEAST WINDS
AROUND 5 MPH, BECOMING EAST AROUND 5 MPH IN THE AFTERNOON.
SATURDAY NIGHT AND SUNDAY
MOSTLY CLOUDY. A CHANCE OF SHOWERS.
LOWS IN THE UPPER 30S. HIGHS AROUND 60. EAST WINDS AROUND 5 MPH.
RIZ002-202000-
SOUTHEAST PROVIDENCE RI-
INCLUDING THE CITY OF PROVIDENCE
410 AM EDT MON APR 20 2026
TODAY TONIGHT TUE
CLOUD COVER PCLDY PCLDY MCLEAR
PRECIP TYPE NONE NONE NONE
CHANCE PRECIP (%) 10 20
CHANCE OF THUNDER (%) 0 0 0
TEMP (24H TREND) 52 (+1) 29 (-8) 52
RH % (24H TREND) 41 (-29) 72 (-28) 30
20FT WND AM(MPH) W 5 LGT/VAR
20FT WND PM(MPH) W 7 NW 5 LGT/VAR
PRECIP AMOUNT 0.00 0.00 0.00
PRECIP DURATION
PRECIP BEGIN
PRECIP END
MIXING HGT (FT-AGL) 6750 550 7120
TRANSPORT WND (KTS) W 13 N 9 W 6
VENT RATE (KT-FT) 87750 4950 42720
MAX ADI EARLY 100 GOOD 80 GOOD 54 GEN GOOD
MAX ADI LATE 45 GEN GOOD 7 POOR 70 GOOD
MAX LVORI EARLY 2 3 1
MAX LVORI LATE 2 3 1
MIN VSBY EARLY 9 9 9
MIN VSBY LATE 9 9 9
SUNSHINE HOURS N/A N/A N/A
CWR 0 0 0
REMARKS...NONE.
FORECAST FOR DAYS 3 THROUGH 7
TUESDAY NIGHT
PARTLY CLOUDY. LOWS IN THE MID 30S. SOUTH WINDS
AROUND 5 MPH.
WEDNESDAY
MOSTLY CLOUDY. HIGHS IN THE LOWER 50S. SOUTH WINDS
5 TO 10 MPH.
WEDNESDAY NIGHT
MOSTLY CLOUDY. LOWS IN THE UPPER 30S.
SOUTHEAST WINDS AROUND 5 MPH, BECOMING NORTHEAST AFTER MIDNIGHT.
THURSDAY AND THURSDAY NIGHT
MOSTLY CLOUDY. LOWS AROUND 40.
HIGHS IN THE LOWER 60S. NORTHWEST WINDS 5 TO 10 MPH.
FRIDAY AND FRIDAY NIGHT
PARTLY CLOUDY. LOWS AROUND 40. HIGHS
AROUND 60. NORTHEAST WINDS AROUND 5 MPH.
SATURDAY
PARTLY SUNNY. HIGHS IN THE UPPER 50S. NORTHEAST WINDS
AROUND 5 MPH, BECOMING EAST AROUND 5 MPH IN THE AFTERNOON.
SATURDAY NIGHT AND SUNDAY
MOSTLY CLOUDY. A CHANCE OF SHOWERS.
LOWS AROUND 40. HIGHS AROUND 60. EAST WINDS AROUND 5 MPH.
RIZ003-202000-
WESTERN KENT RI-
INCLUDING THE CITIES OF COVENTRY AND WEST GREENWICH
410 AM EDT MON APR 20 2026
TODAY TONIGHT TUE
CLOUD COVER PCLDY PCLDY MCLEAR
PRECIP TYPE NONE NONE NONE
CHANCE PRECIP (%) 20 20
CHANCE OF THUNDER (%) 0 0 0
TEMP (24H TREND) 51 (+1) 29 (-7) 51
RH % (24H TREND) 41 (-31) 66 (-34) 29
20FT WND AM(MPH) W 5 LGT/VAR
20FT WND PM(MPH) W 6 NW 5 LGT/VAR
PRECIP AMOUNT 0.00 0.00 0.00
PRECIP DURATION
PRECIP BEGIN
PRECIP END
MIXING HGT (FT-AGL) 6390 560 6980
TRANSPORT WND (KTS) W 11 N 10 W 7
VENT RATE (KT-FT) 70290 5600 48860
MAX ADI EARLY 91 GOOD 68 GOOD 53 GEN GOOD
MAX ADI LATE 85 GOOD 6 VERY POOR 66 GOOD
MAX LVORI EARLY 1 3 1
MAX LVORI LATE 1 3 1
MIN VSBY EARLY 9 9 9
MIN VSBY LATE 9 9 9
SUNSHINE HOURS N/A N/A N/A
CWR 0 0 0
REMARKS...NONE.
FORECAST FOR DAYS 3 THROUGH 7
TUESDAY NIGHT
PARTLY CLOUDY. LOWS IN THE MID 30S. SOUTH WINDS
AROUND 5 MPH.
WEDNESDAY
MOSTLY CLOUDY. HIGHS AROUND 50. SOUTH WINDS 5 TO
10 MPH.
WEDNESDAY NIGHT
MOSTLY CLOUDY. LOWS IN THE UPPER 30S.
SOUTHEAST WINDS AROUND 5 MPH, BECOMING NORTHEAST AFTER MIDNIGHT.
THURSDAY
PARTLY SUNNY. NOT AS COOL. HIGHS IN THE LOWER 60S.
NORTHWEST WINDS AROUND 5 MPH.
THURSDAY NIGHT THROUGH FRIDAY NIGHT
PARTLY CLOUDY. LOWS AROUND
40. HIGHS AROUND 60. NORTHEAST WINDS AROUND 5 MPH.
SATURDAY
PARTLY SUNNY. HIGHS IN THE UPPER 50S. NORTHEAST WINDS
AROUND 5 MPH, BECOMING SOUTHEAST AROUND 5 MPH IN THE AFTERNOON.
SATURDAY NIGHT AND SUNDAY
MOSTLY CLOUDY. A CHANCE OF SHOWERS.
LOWS IN THE UPPER 30S. HIGHS IN THE UPPER 50S. EAST WINDS AROUND
5 MPH.
RIZ004-202000-
EASTERN KENT RI-
INCLUDING THE CITIES OF EAST GREENWICH, WARWICK, AND WEST WARWICK
410 AM EDT MON APR 20 2026
TODAY TONIGHT TUE
CLOUD COVER PCLDY PCLDY MCLEAR
PRECIP TYPE NONE NONE NONE
CHANCE PRECIP (%) 20 20
CHANCE OF THUNDER (%) 0 0 0
TEMP (24H TREND) 53 (+1) 31 (-6) 52
RH % (24H TREND) 37 (-30) 67 (-33) 29
20FT WND AM(MPH) W 5 N 5
20FT WND PM(MPH) W 6 NW 5 LGT/VAR
PRECIP AMOUNT 0.00 0.00 0.00
PRECIP DURATION
PRECIP BEGIN
PRECIP END
MIXING HGT (FT-AGL) 6260 580 6980
TRANSPORT WND (KTS) W 13 N 10 W 5
VENT RATE (KT-FT) 81380 5800 34900
MAX ADI EARLY 97 GOOD 62 GOOD 53 GEN GOOD
MAX ADI LATE 70 GOOD 8 POOR 73 GOOD
MAX LVORI EARLY 1 3 1
MAX LVORI LATE 1 3 1
MIN VSBY EARLY 9 9 9
MIN VSBY LATE 9 9 9
SUNSHINE HOURS N/A N/A N/A
CWR 0 0 0
REMARKS...NONE.
FORECAST FOR DAYS 3 THROUGH 7
TUESDAY NIGHT
PARTLY CLOUDY. LOWS IN THE UPPER 30S. SOUTH
WINDS AROUND 5 MPH.
WEDNESDAY
MOSTLY CLOUDY. HIGHS AROUND 50. SOUTH WINDS 5 TO
10 MPH.
WEDNESDAY NIGHT
MOSTLY CLOUDY. LOWS AROUND 40. SOUTHEAST WINDS
AROUND 5 MPH, BECOMING NORTHEAST AFTER MIDNIGHT.
THURSDAY
PARTLY SUNNY. NOT AS COOL. HIGHS IN THE LOWER 60S.
NORTHWEST WINDS 5 TO 10 MPH.
THURSDAY NIGHT
PARTLY CLOUDY. LOWS AROUND 40. NORTH WINDS
AROUND 5 MPH.
FRIDAY AND FRIDAY NIGHT
PARTLY CLOUDY. LOWS AROUND 40. HIGHS
IN THE UPPER 50S. NORTHEAST WINDS AROUND 5 MPH.
SATURDAY
PARTLY SUNNY. HIGHS IN THE UPPER 50S. NORTHEAST WINDS
AROUND 5 MPH, BECOMING SOUTHEAST AROUND 5 MPH IN THE AFTERNOON.
SATURDAY NIGHT AND SUNDAY
MOSTLY CLOUDY. A CHANCE OF SHOWERS.
LOWS AROUND 40. HIGHS IN THE UPPER 50S. EAST WINDS AROUND 5 MPH.
RIZ005-202000-
BRISTOL RI-
INCLUDING THE CITY OF BRISTOL
410 AM EDT MON APR 20 2026
TODAY TONIGHT TUE
CLOUD COVER PCLDY PCLDY MCLEAR
PRECIP TYPE NONE RAIN NONE
CHANCE PRECIP (%) 20 20
CHANCE OF THUNDER (%) 0 0 0
TEMP (24H TREND) 53 (+1) 31 (-7) 51
RH % (24H TREND) 44 (-23) 70 (-30) 33
20FT WND AM(MPH) W 5 N 5
20FT WND PM(MPH) W 6 NW 5 LGT/VAR
PRECIP AMOUNT 0.00 0.04 0.00
PRECIP DURATION 0
PRECIP BEGIN 6 PM
PRECIP END 9 PM
MIXING HGT (FT-AGL) 6040 540 6690
TRANSPORT WND (KTS) W 12 N 11 NW 5
VENT RATE (KT-FT) 72480 5940 33450
MAX ADI EARLY 94 GOOD 47 GEN GOOD 51 GEN GOOD
MAX ADI LATE 91 GOOD 10 POOR 60 GEN GOOD
MAX LVORI EARLY 2 3 1
MAX LVORI LATE 2 3 1
MIN VSBY EARLY 9 9 9
MIN VSBY LATE 9 9 9
SUNSHINE HOURS N/A N/A N/A
CWR 0 10 0
REMARKS...NONE.
FORECAST FOR DAYS 3 THROUGH 7
TUESDAY NIGHT
PARTLY CLOUDY. LOWS IN THE UPPER 30S. SOUTH
WINDS 5 TO 10 MPH.
WEDNESDAY
MOSTLY CLOUDY. HIGHS AROUND 50. SOUTH WINDS 5 TO
10 MPH.
WEDNESDAY NIGHT
MOSTLY CLOUDY. LOWS IN THE LOWER 40S.
SOUTHEAST WINDS 5 TO 10 MPH, BECOMING NORTHEAST AFTER MIDNIGHT.
THURSDAY
PARTLY SUNNY. HIGHS IN THE UPPER 50S. NORTHWEST WINDS
5 TO 10 MPH.
THURSDAY NIGHT
PARTLY CLOUDY. LOWS IN THE LOWER 40S. NORTH
WINDS 5 TO 10 MPH.
FRIDAY AND FRIDAY NIGHT
PARTLY CLOUDY. LOWS IN THE LOWER 40S.
HIGHS IN THE UPPER 50S. NORTHEAST WINDS 5 TO 10 MPH.
SATURDAY
PARTLY SUNNY. HIGHS IN THE MID 50S. NORTHEAST WINDS
AROUND 5 MPH, BECOMING SOUTHEAST IN THE AFTERNOON.
SATURDAY NIGHT AND SUNDAY
MOSTLY CLOUDY. A CHANCE OF SHOWERS.
LOWS IN THE LOWER 40S. HIGHS IN THE UPPER 50S. EAST WINDS 5 TO
10 MPH.
RIZ006-202000-
WASHINGTON RI-
INCLUDING THE CITIES OF NARRAGANSETT AND WESTERLY
410 AM EDT MON APR 20 2026
TODAY TONIGHT TUE
CLOUD COVER PCLDY PCLDY MCLEAR
PRECIP TYPE RAIN NONE NONE
CHANCE PRECIP (%) 20 20
CHANCE OF THUNDER (%) 0 0 0
TEMP (24H TREND) 52 (0) 29 (-8) 51
RH % (24H TREND) 42 (-25) 70 (-30) 30
20FT WND AM(MPH) W 5 N 5
20FT WND PM(MPH) W 6 NW 5 LGT/VAR
PRECIP AMOUNT 0.03 0.00 0.00
PRECIP DURATION 0
PRECIP BEGIN 1 PM
PRECIP END 5 PM
MIXING HGT (FT-AGL) 5540 590 6930
TRANSPORT WND (KTS) W 10 N 11 W 6
VENT RATE (KT-FT) 55400 6490 41580
MAX ADI EARLY 80 GOOD 47 GEN GOOD 55 GEN GOOD
MAX ADI LATE 72 GOOD 6 VERY POOR 63 GOOD
MAX LVORI EARLY 1 3 1
MAX LVORI LATE 1 3 1
MIN VSBY EARLY 9 9 9
MIN VSBY LATE 9 9 9
SUNSHINE HOURS N/A N/A N/A
CWR 10 0 0
REMARKS...NONE.
FORECAST FOR DAYS 3 THROUGH 7
TUESDAY NIGHT
MOSTLY CLOUDY. LOWS IN THE UPPER 30S. SOUTH
WINDS 5 TO 10 MPH.
WEDNESDAY
MOSTLY CLOUDY. HIGHS AROUND 50. SOUTH WINDS 5 TO
10 MPH.
WEDNESDAY NIGHT
MOSTLY CLOUDY. LOWS AROUND 40. SOUTHEAST WINDS
5 TO 10 MPH, BECOMING NORTHEAST AFTER MIDNIGHT.
THURSDAY
PARTLY SUNNY. HIGHS AROUND 60. NORTHWEST WINDS 5 TO
10 MPH.
THURSDAY NIGHT
PARTLY CLOUDY. LOWS AROUND 40. NORTHWEST WINDS
5 TO 10 MPH.
FRIDAY AND FRIDAY NIGHT
PARTLY CLOUDY. LOWS AROUND 40. HIGHS
IN THE UPPER 50S. NORTHEAST WINDS AROUND 5 MPH.
SATURDAY
PARTLY SUNNY. HIGHS IN THE MID 50S. NORTHEAST WINDS
AROUND 5 MPH, BECOMING SOUTHEAST IN THE AFTERNOON.
SATURDAY NIGHT AND SUNDAY
MOSTLY CLOUDY. A CHANCE OF SHOWERS.
LOWS IN THE UPPER 30S. HIGHS IN THE UPPER 50S. EAST WINDS 5 TO
10 MPH.
RIZ007-202000-
NEWPORT RI-
INCLUDING THE CITY OF NEWPORT
410 AM EDT MON APR 20 2026
TODAY TONIGHT TUE
CLOUD COVER PCLDY PCLDY MCLEAR
PRECIP TYPE RAIN RAIN NONE
CHANCE PRECIP (%) 20 20
CHANCE OF THUNDER (%) 0 0 0
TEMP (24H TREND) 52 (0) 32 (-7) 50
RH % (24H TREND) 47 (-17) 76 (-24) 34
20FT WND AM(MPH) W 6 N 6
20FT WND PM(MPH) W 6 NW 6 SW 5
PRECIP AMOUNT 0.02 0.02 0.00
PRECIP DURATION 0 0
PRECIP BEGIN 2 PM CONTINUING
PRECIP END CONTINUING 9 PM
MIXING HGT (FT-AGL) 5190 760 6230
TRANSPORT WND (KTS) W 12 NW 9 NW 5
VENT RATE (KT-FT) 62280 6840 31150
MAX ADI EARLY 79 GOOD 40 FAIR 52 GEN GOOD
MAX ADI LATE 76 GOOD 12 POOR 49 GEN GOOD
MAX LVORI EARLY 2 3 1
MAX LVORI LATE 2 3 1
MIN VSBY EARLY 9 9 9
MIN VSBY LATE 9 9 9
SUNSHINE HOURS N/A N/A N/A
CWR 10 10 0
REMARKS...NONE.
FORECAST FOR DAYS 3 THROUGH 7
TUESDAY NIGHT
PARTLY CLOUDY. LOWS IN THE UPPER 30S. SOUTH
WINDS 5 TO 10 MPH.
WEDNESDAY
MOSTLY CLOUDY. HIGHS IN THE UPPER 40S. SOUTH WINDS
10 TO 15 MPH.
WEDNESDAY NIGHT
MOSTLY CLOUDY. LOWS IN THE LOWER 40S.
SOUTHEAST WINDS 5 TO 10 MPH, BECOMING NORTHEAST AFTER MIDNIGHT.
THURSDAY
PARTLY SUNNY. HIGHS IN THE UPPER 50S. NORTH WINDS
AROUND 5 MPH, BECOMING WEST IN THE AFTERNOON.
THURSDAY NIGHT
PARTLY CLOUDY. LOWS IN THE LOWER 40S. SOUTHWEST
WINDS 5 TO 10 MPH, BECOMING NORTHWEST AFTER MIDNIGHT.
FRIDAY AND FRIDAY NIGHT
PARTLY CLOUDY. LOWS IN THE LOWER 40S.
HIGHS IN THE MID 50S. NORTHEAST WINDS 5 TO 10 MPH.
SATURDAY
PARTLY SUNNY. HIGHS IN THE MID 50S. NORTHEAST WINDS
AROUND 5 MPH, BECOMING SOUTHEAST IN THE AFTERNOON.
SATURDAY NIGHT AND SUNDAY
MOSTLY CLOUDY. A CHANCE OF SHOWERS.
LOWS IN THE LOWER 40S. HIGHS IN THE MID 50S. EAST WINDS 5 TO
10 MPH.
RIZ008-202000-
BLOCK ISLAND RI-
INCLUDING THE CITY OF NEW SHOREHAM
410 AM EDT MON APR 20 2026
TODAY TONIGHT TUE
CLOUD COVER PCLDY PCLDY MCLEAR
PRECIP TYPE NONE NONE NONE
CHANCE PRECIP (%) 20 20
CHANCE OF THUNDER (%) 0 0 0
TEMP (24H TREND) 49 (-1) 35 (-7) 46
RH % (24H TREND) 54 (-8) 71 (-29) 40
20FT WND AM(MPH) W 8 N 8
20FT WND PM(MPH) W 9 NW 8 S 5
PRECIP AMOUNT 0.00 0.00 0.00
PRECIP DURATION
PRECIP BEGIN
PRECIP END
MIXING HGT (FT-AGL) 3420 1600 3590
TRANSPORT WND (KTS) W 12 N 18 N 7
VENT RATE (KT-FT) 41040 28800 25130
MAX ADI EARLY 50 GEN GOOD 39 FAIR 47 GEN GOOD
MAX ADI LATE 57 GEN GOOD 27 FAIR 30 FAIR
MAX LVORI EARLY 3 3 2
MAX LVORI LATE 3 3 2
MIN VSBY EARLY 9 9 9
MIN VSBY LATE 9 9 9
SUNSHINE HOURS N/A N/A N/A
CWR 0 0 0
REMARKS...NONE.
FORECAST FOR DAYS 3 THROUGH 7
TUESDAY NIGHT
MOSTLY CLOUDY. LOWS AROUND 40. SOUTHWEST WINDS
5 TO 10 MPH.
WEDNESDAY
MOSTLY CLOUDY WITH A CHANCE OF SHOWERS. HIGHS IN THE
UPPER 40S. SOUTH WINDS 5 TO 10 MPH.
WEDNESDAY NIGHT
MOSTLY CLOUDY. LOWS IN THE LOWER 40S. EAST
WINDS 5 TO 10 MPH.
THURSDAY
PARTLY SUNNY. HIGHS IN THE MID 50S. NORTH WINDS
AROUND 5 MPH, BECOMING WEST IN THE AFTERNOON.
THURSDAY NIGHT
MOSTLY CLOUDY. LOWS IN THE MID 40S. WEST WINDS
AROUND 5 MPH, BECOMING NORTHWEST AFTER MIDNIGHT.
FRIDAY AND FRIDAY NIGHT
PARTLY CLOUDY. LOWS IN THE MID 40S.
HIGHS IN THE LOWER 50S. EAST WINDS AROUND 5 MPH.
SATURDAY
PARTLY SUNNY. HIGHS AROUND 50. EAST WINDS 5 TO
10 MPH.
SATURDAY NIGHT AND SUNDAY
MOSTLY CLOUDY. A CHANCE OF SHOWERS.
LOWS IN THE LOWER 40S. HIGHS IN THE LOWER 50S. EAST WINDS 5 TO
10 MPH.
MAZ017-202000-
NORTHERN BRISTOL MA-
INCLUDING THE CITY OF TAUNTON
410 AM EDT MON APR 20 2026
TODAY TONIGHT TUE
CLOUD COVER PCLDY PCLDY PCLDY
PRECIP TYPE NONE RAIN NONE
CHANCE PRECIP (%) 10 20
CHANCE OF THUNDER (%) 0 0 0
TEMP (24H TREND) 52 (0) 28 (-7) 51
RH % (24H TREND) 36 (-39) 75 (-25) 28
20FT WND AM(MPH) LGT/VAR LGT/VAR
20FT WND PM(MPH) W 6 LGT/VAR LGT/VAR
PRECIP AMOUNT 0.00 0.04 0.00
PRECIP DURATION 0
PRECIP BEGIN 6 PM
PRECIP END 9 PM
MIXING HGT (FT-AGL) 7130 610 7420
TRANSPORT WND (KTS) W 14 N 9 SW 6
VENT RATE (KT-FT) 99820 5490 44520
MAX ADI EARLY 102 VERY GOOD37 FAIR 54 GEN GOOD
MAX ADI LATE 83 GOOD 8 POOR 59 GEN GOOD
MAX LVORI EARLY 2 3 1
MAX LVORI LATE 2 3 1
MIN VSBY EARLY 9 9 9
MIN VSBY LATE 9 9 9
SUNSHINE HOURS N/A N/A N/A
CWR 0 10 0
REMARKS...NONE.
FORECAST FOR DAYS 3 THROUGH 7
TUESDAY NIGHT
PARTLY CLOUDY. LOWS IN THE MID 30S. SOUTH WINDS
AROUND 5 MPH.
WEDNESDAY
MOSTLY CLOUDY. HIGHS IN THE LOWER 50S. SOUTH WINDS
5 TO 10 MPH.
WEDNESDAY NIGHT THROUGH THURSDAY NIGHT
MOSTLY CLOUDY. LOWS IN
THE UPPER 30S. HIGHS AROUND 60. NORTHWEST WINDS AROUND 5 MPH.
FRIDAY AND FRIDAY NIGHT
PARTLY CLOUDY. LOWS IN THE UPPER 30S.
HIGHS IN THE UPPER 50S. NORTH WINDS AROUND 5 MPH.
SATURDAY
PARTLY SUNNY. HIGHS IN THE UPPER 50S. NORTHEAST WINDS
AROUND 5 MPH.
SATURDAY NIGHT AND SUNDAY
MOSTLY CLOUDY. A CHANCE OF SHOWERS.
LOWS IN THE UPPER 30S. HIGHS AROUND 60. EAST WINDS AROUND 5 MPH.
MAZ018-202000-
WESTERN PLYMOUTH MA-
INCLUDING THE CITY OF BROCKTON
410 AM EDT MON APR 20 2026
TODAY TONIGHT TUE
CLOUD COVER PCLDY PCLDY PCLDY
PRECIP TYPE NONE RAIN NONE
CHANCE PRECIP (%) 10 20
CHANCE OF THUNDER (%) 0 0 0
TEMP (24H TREND) 52 (0) 29 (-6) 50
RH % (24H TREND) 41 (-37) 75 (-25) 32
20FT WND AM(MPH) LGT/VAR LGT/VAR
20FT WND PM(MPH) W 6 LGT/VAR LGT/VAR
PRECIP AMOUNT 0.00 0.06 0.00
PRECIP DURATION 0
PRECIP BEGIN 6 PM
PRECIP END 9 PM
MIXING HGT (FT-AGL) 6940 610 6950
TRANSPORT WND (KTS) W 14 N 10 W 6
VENT RATE (KT-FT) 97160 6100 41700
MAX ADI EARLY 102 VERY GOOD39 FAIR 58 GEN GOOD
MAX ADI LATE 104 VERY GOOD8 POOR 55 GEN GOOD
MAX LVORI EARLY 2 3 1
MAX LVORI LATE 2 3 1
MIN VSBY EARLY 9 9 9
MIN VSBY LATE 9 9 9
SUNSHINE HOURS N/A N/A N/A
CWR 0 10 0
REMARKS...NONE.
FORECAST FOR DAYS 3 THROUGH 7
TUESDAY NIGHT
PARTLY CLOUDY. LOWS IN THE MID 30S. SOUTH WINDS
AROUND 5 MPH.
WEDNESDAY
MOSTLY CLOUDY. HIGHS IN THE LOWER 50S. SOUTH WINDS
5 TO 10 MPH.
WEDNESDAY NIGHT
MOSTLY CLOUDY. LOWS IN THE UPPER 30S. SOUTH
WINDS AROUND 5 MPH, BECOMING SOUTHWEST AFTER MIDNIGHT.
THURSDAY AND THURSDAY NIGHT
MOSTLY CLOUDY. LOWS IN THE UPPER
30S. HIGHS IN THE UPPER 50S. NORTHWEST WINDS AROUND 5 MPH.
FRIDAY AND FRIDAY NIGHT
PARTLY CLOUDY. LOWS IN THE UPPER 30S.
HIGHS IN THE UPPER 50S. NORTH WINDS AROUND 5 MPH.
SATURDAY
PARTLY SUNNY. HIGHS IN THE MID 50S. NORTHEAST WINDS
AROUND 5 MPH.
SATURDAY NIGHT AND SUNDAY
MOSTLY CLOUDY. A CHANCE OF SHOWERS.
LOWS IN THE UPPER 30S. HIGHS IN THE UPPER 50S. EAST WINDS AROUND
5 MPH.
MAZ019-202000-
EASTERN PLYMOUTH MA-
INCLUDING THE CITY OF PLYMOUTH
410 AM EDT MON APR 20 2026
TODAY TONIGHT TUE
CLOUD COVER PCLDY PCLDY PCLDY
PRECIP TYPE NONE RAIN NONE
CHANCE PRECIP (%) 20 20
CHANCE OF THUNDER (%) 0 0 0
TEMP (24H TREND) 52 (0) 31 (-6) 48
RH % (24H TREND) 41 (-24) 79 (-21) 37
20FT WND AM(MPH) W 6 N 6
20FT WND PM(MPH) W 5 LGT/VAR LGT/VAR
PRECIP AMOUNT 0.00 0.08 0.00
PRECIP DURATION 1
PRECIP BEGIN 6 PM
PRECIP END 12 AM
MIXING HGT (FT-AGL) 5790 860 6120
TRANSPORT WND (KTS) W 13 N 13 N 6
VENT RATE (KT-FT) 75270 11180 36720
MAX ADI EARLY 84 GOOD 26 FAIR 57 GEN GOOD
MAX ADI LATE 87 GOOD 14 GEN POOR 48 GEN GOOD
MAX LVORI EARLY 2 3 2
MAX LVORI LATE 2 3 2
MIN VSBY EARLY 9 9 9
MIN VSBY LATE 9 9 9
SUNSHINE HOURS N/A N/A N/A
CWR 0 10 0
REMARKS...NONE.
FORECAST FOR DAYS 3 THROUGH 7
TUESDAY NIGHT
PARTLY CLOUDY. LOWS IN THE MID 30S. SOUTH WINDS
5 TO 10 MPH.
WEDNESDAY
MOSTLY CLOUDY. HIGHS AROUND 50. SOUTH WINDS 5 TO
10 MPH.
WEDNESDAY NIGHT
MOSTLY CLOUDY. LOWS AROUND 40. SOUTH WINDS
5 TO 10 MPH, BECOMING SOUTHWEST AFTER MIDNIGHT.
THURSDAY
PARTLY SUNNY. HIGHS IN THE MID 50S. NORTH WINDS 5 TO
10 MPH.
THURSDAY NIGHT
MOSTLY CLOUDY. LOWS AROUND 40. NORTHEAST WINDS
5 TO 10 MPH, BECOMING NORTHWEST AFTER MIDNIGHT.
FRIDAY THROUGH SATURDAY
PARTLY CLOUDY. LOWS AROUND 40. HIGHS
IN THE LOWER 50S. EAST WINDS 5 TO 10 MPH.
SATURDAY NIGHT AND SUNDAY
MOSTLY CLOUDY. A CHANCE OF SHOWERS.
LOWS AROUND 40. HIGHS IN THE MID 50S. EAST WINDS AROUND 5 MPH.
MAZ020-202000-
SOUTHERN BRISTOL MA-
INCLUDING THE CITIES OF FALL RIVER AND NEW BEDFORD
410 AM EDT MON APR 20 2026
TODAY TONIGHT TUE
CLOUD COVER PCLDY PCLDY MCLEAR
PRECIP TYPE RAIN RAIN NONE
CHANCE PRECIP (%) 20 20
CHANCE OF THUNDER (%) 0 0 0
TEMP (24H TREND) 53 (0) 29 (-8) 51
RH % (24H TREND) 39 (-28) 76 (-24) 33
20FT WND AM(MPH) W 5 N 5
20FT WND PM(MPH) W 7 LGT/VAR LGT/VAR
PRECIP AMOUNT 0.02 0.02 0.00
PRECIP DURATION 0 0
PRECIP BEGIN 2 PM 6 PM
PRECIP END 5 PM 9 PM
MIXING HGT (FT-AGL) 6360 500 7000
TRANSPORT WND (KTS) W 13 N 12 NW 5
VENT RATE (KT-FT) 82680 6000 35000
MAX ADI EARLY 100 GOOD 41 GEN GOOD 58 GEN GOOD
MAX ADI LATE 104 VERY GOOD9 POOR 52 GEN GOOD
MAX LVORI EARLY 2 3 1
MAX LVORI LATE 2 3 1
MIN VSBY EARLY 9 9 9
MIN VSBY LATE 9 9 9
SUNSHINE HOURS N/A N/A N/A
CWR 10 10 0
REMARKS...NONE.
FORECAST FOR DAYS 3 THROUGH 7
TUESDAY NIGHT
PARTLY CLOUDY. LOWS IN THE UPPER 30S. SOUTH
WINDS 5 TO 10 MPH.
WEDNESDAY
MOSTLY CLOUDY. HIGHS AROUND 50. SOUTH WINDS 10 TO
15 MPH.
WEDNESDAY NIGHT
MOSTLY CLOUDY. LOWS AROUND 40. SOUTHEAST WINDS
5 TO 10 MPH, BECOMING EAST AFTER MIDNIGHT.
THURSDAY AND THURSDAY NIGHT
MOSTLY CLOUDY. LOWS AROUND 40.
HIGHS IN THE UPPER 50S. NORTHWEST WINDS AROUND 5 MPH.
FRIDAY AND FRIDAY NIGHT
PARTLY CLOUDY. LOWS AROUND 40. HIGHS
IN THE UPPER 50S. NORTHEAST WINDS 5 TO 10 MPH.
SATURDAY
PARTLY SUNNY. HIGHS IN THE MID 50S. NORTHEAST WINDS
AROUND 5 MPH, BECOMING EAST IN THE AFTERNOON.
SATURDAY NIGHT AND SUNDAY
MOSTLY CLOUDY. A CHANCE OF SHOWERS.
LOWS IN THE UPPER 30S. HIGHS IN THE UPPER 50S. EAST WINDS 5 TO
10 MPH.
MAZ021-202000-
SOUTHERN PLYMOUTH MA-
INCLUDING THE CITY OF MATTAPOISETT
410 AM EDT MON APR 20 2026
TODAY TONIGHT TUE
CLOUD COVER PCLDY PCLDY PCLDY
PRECIP TYPE RAIN RAIN NONE
CHANCE PRECIP (%) 20 20
CHANCE OF THUNDER (%) 0 0 0
TEMP (24H TREND) 53 (-1) 29 (-7) 50
RH % (24H TREND) 42 (-25) 79 (-21) 37
20FT WND AM(MPH) W 5 N 5
20FT WND PM(MPH) W 6 LGT/VAR LGT/VAR
PRECIP AMOUNT 0.02 0.02 0.00
PRECIP DURATION 0 0
PRECIP BEGIN 2 PM CONTINUING
PRECIP END CONTINUING 9 PM
MIXING HGT (FT-AGL) 6420 530 6970
TRANSPORT WND (KTS) W 15 N 11 NW 5
VENT RATE (KT-FT) 96300 5830 34850
MAX ADI EARLY 103 VERY GOOD39 FAIR 65 GOOD
MAX ADI LATE 105 VERY GOOD9 POOR 61 GOOD
MAX LVORI EARLY 2 3 1
MAX LVORI LATE 2 3 1
MIN VSBY EARLY 9 9 9
MIN VSBY LATE 9 9 9
SUNSHINE HOURS N/A N/A N/A
CWR 10 10 0
REMARKS...NONE.
FORECAST FOR DAYS 3 THROUGH 7
TUESDAY NIGHT
PARTLY CLOUDY. LOWS IN THE MID 30S. SOUTH WINDS
AROUND 5 MPH.
WEDNESDAY
MOSTLY CLOUDY. HIGHS AROUND 50. SOUTH WINDS 5 TO
10 MPH.
WEDNESDAY NIGHT
MOSTLY CLOUDY. LOWS IN THE UPPER 30S.
SOUTHEAST WINDS 5 TO 10 MPH, BECOMING EAST AFTER MIDNIGHT.
THURSDAY AND THURSDAY NIGHT
MOSTLY CLOUDY. LOWS IN THE UPPER
30S. HIGHS IN THE UPPER 50S. NORTHWEST WINDS AROUND 5 MPH.
FRIDAY AND FRIDAY NIGHT
PARTLY CLOUDY. LOWS IN THE UPPER 30S.
HIGHS IN THE MID 50S. NORTH WINDS AROUND 5 MPH.
SATURDAY
PARTLY SUNNY. HIGHS IN THE LOWER 50S. NORTHEAST WINDS
AROUND 5 MPH.
SATURDAY NIGHT AND SUNDAY
MOSTLY CLOUDY. A CHANCE OF SHOWERS.
LOWS IN THE UPPER 30S. HIGHS IN THE UPPER 50S. EAST WINDS AROUND
5 MPH.
MAZ022-202000-
BARNSTABLE MA-
INCLUDING THE CITIES OF CHATHAM, FALMOUTH, AND PROVINCETOWN
410 AM EDT MON APR 20 2026
TODAY TONIGHT TUE
CLOUD COVER MCLEAR PCLDY PCLDY
PRECIP TYPE RAIN RAIN NONE
CHANCE PRECIP (%) 20 20
CHANCE OF THUNDER (%) 0 0 0
TEMP (24H TREND) 52 (-2) 32 (-7) 48
RH % (24H TREND) 42 (-23) 85 (-15) 42
20FT WND AM(MPH) W 6 N 7
20FT WND PM(MPH) W 5 LGT/VAR LGT/VAR
PRECIP AMOUNT 0.04 0.06 0.00
PRECIP DURATION 0 1
PRECIP BEGIN 2 PM CONTINUING
PRECIP END CONTINUING 3 AM
MIXING HGT (FT-AGL) 5750 770 5850
TRANSPORT WND (KTS) W 12 W 7 N 7
VENT RATE (KT-FT) 69000 5390 40950
MAX ADI EARLY 68 GOOD 22 FAIR 68 GOOD
MAX ADI LATE 80 GOOD 24 FAIR 51 GEN GOOD
MAX LVORI EARLY 2 4 2
MAX LVORI LATE 2 4 2
MIN VSBY EARLY 9 9 9
MIN VSBY LATE 9 9 9
SUNSHINE HOURS N/A N/A N/A
CWR 10 10 0
REMARKS...NONE.
FORECAST FOR DAYS 3 THROUGH 7
TUESDAY NIGHT
PARTLY CLOUDY. LOWS IN THE UPPER 30S. SOUTH
WINDS 5 TO 10 MPH.
WEDNESDAY
MOSTLY CLOUDY. HIGHS IN THE UPPER 40S. SOUTH WINDS
5 TO 10 MPH.
WEDNESDAY NIGHT
MOSTLY CLOUDY. LOWS IN THE LOWER 40S.
SOUTHEAST WINDS 5 TO 10 MPH.
THURSDAY
PARTLY SUNNY. HIGHS IN THE LOWER 50S. NORTH WINDS
AROUND 5 MPH.
THURSDAY NIGHT
PARTLY CLOUDY. LOWS IN THE LOWER 40S. NORTHWEST
WINDS 5 TO 10 MPH.
FRIDAY THROUGH SATURDAY
PARTLY CLOUDY. LOWS IN THE LOWER 40S.
HIGHS IN THE LOWER 50S. NORTHEAST WINDS 5 TO 10 MPH.
SATURDAY NIGHT
MOSTLY CLOUDY. LOWS IN THE LOWER 40S. SOUTHEAST
WINDS AROUND 5 MPH.
SUNDAY
PARTLY SUNNY WITH A CHANCE OF SHOWERS. HIGHS IN THE
LOWER 50S. EAST WINDS 5 TO 10 MPH.
MAZ023-202000-
DUKES MA-
INCLUDING THE CITY OF VINEYARD HAVEN
410 AM EDT MON APR 20 2026
TODAY TONIGHT TUE
CLOUD COVER MCLEAR PCLDY MCLEAR
PRECIP TYPE NONE RAIN NONE
CHANCE PRECIP (%) 10 20
CHANCE OF THUNDER (%) 0 0 0
TEMP (24H TREND) 53 (0) 34 (-6) 49
RH % (24H TREND) 41 (-19) 79 (-21) 37
20FT WND AM(MPH) W 8 N 8
20FT WND PM(MPH) W 9 NW 7 NE 5
PRECIP AMOUNT 0.00 0.04 0.00
PRECIP DURATION 1
PRECIP BEGIN 6 PM
PRECIP END 1 AM
MIXING HGT (FT-AGL) 3780 1480 5440
TRANSPORT WND (KTS) W 14 NW 10 NW 7
VENT RATE (KT-FT) 52920 14800 38080
MAX ADI EARLY 54 GEN GOOD 38 FAIR 70 GOOD
MAX ADI LATE 67 GOOD 27 FAIR 50 GEN GOOD
MAX LVORI EARLY 2 3 1
MAX LVORI LATE 2 3 1
MIN VSBY EARLY 9 9 9
MIN VSBY LATE 9 9 9
SUNSHINE HOURS N/A N/A N/A
CWR 0 10 0
REMARKS...NONE.
FORECAST FOR DAYS 3 THROUGH 7
TUESDAY NIGHT
PARTLY CLOUDY. LOWS IN THE UPPER 30S. SOUTH
WINDS 5 TO 10 MPH.
WEDNESDAY
MOSTLY CLOUDY. HIGHS AROUND 50. SOUTH WINDS 10 TO
15 MPH.
WEDNESDAY NIGHT
MOSTLY CLOUDY. LOWS IN THE LOWER 40S.
SOUTHEAST WINDS 5 TO 10 MPH.
THURSDAY AND THURSDAY NIGHT
MOSTLY CLOUDY. LOWS IN THE LOWER
40S. HIGHS IN THE MID 50S. NORTHWEST WINDS 5 TO 10 MPH.
FRIDAY THROUGH SATURDAY
PARTLY CLOUDY. LOWS IN THE LOWER 40S.
HIGHS IN THE LOWER 50S. EAST WINDS 5 TO 10 MPH.
SATURDAY NIGHT AND SUNDAY
MOSTLY CLOUDY. A CHANCE OF SHOWERS.
LOWS IN THE LOWER 40S. HIGHS IN THE MID 50S. EAST WINDS 5 TO
10 MPH.
MAZ024-202000-
NANTUCKET MA-
INCLUDING THE CITY OF NANTUCKET
410 AM EDT MON APR 20 2026
TODAY TONIGHT TUE
CLOUD COVER MCLEAR PCLDY PCLDY
PRECIP TYPE NONE RAIN NONE
CHANCE PRECIP (%) 10 20 10
CHANCE OF THUNDER (%) 0 0 0
TEMP (24H TREND) 51 (-3) 36 (-6) 47
RH % (24H TREND) 46 (-19) 82 (-18) 51
20FT WND AM(MPH) W 8 N 10
20FT WND PM(MPH) W 9 NW 7 NE 6
PRECIP AMOUNT 0.00 0.05 0.00
PRECIP DURATION 1
PRECIP BEGIN 8 PM
PRECIP END 3 AM
MIXING HGT (FT-AGL) 3330 2120 4130
TRANSPORT WND (KTS) W 13 NW 10 N 9
VENT RATE (KT-FT) 43290 21200 37170
MAX ADI EARLY 46 GEN GOOD 53 GEN GOOD 68 GOOD
MAX ADI LATE 62 GOOD 27 FAIR 56 GEN GOOD
MAX LVORI EARLY 1 3 2
MAX LVORI LATE 1 3 2
MIN VSBY EARLY 9 9 9
MIN VSBY LATE 9 9 9
SUNSHINE HOURS N/A N/A N/A
CWR 0 10 0
REMARKS...NONE.
FORECAST FOR DAYS 3 THROUGH 7
TUESDAY NIGHT
PARTLY CLOUDY. LOWS IN THE UPPER 30S. SOUTHEAST
WINDS AROUND 5 MPH, BECOMING SOUTHWEST AFTER MIDNIGHT.
WEDNESDAY
MOSTLY CLOUDY WITH A CHANCE OF SHOWERS. HIGHS IN THE
UPPER 40S. SOUTH WINDS 10 TO 15 MPH.
WEDNESDAY NIGHT
MOSTLY CLOUDY. LOWS IN THE LOWER 40S.
SOUTHEAST WINDS 5 TO 10 MPH.
THURSDAY AND THURSDAY NIGHT
MOSTLY CLOUDY. LOWS IN THE LOWER
40S. HIGHS IN THE LOWER 50S. NORTHWEST WINDS 5 TO 10 MPH.
FRIDAY THROUGH SATURDAY
PARTLY CLOUDY. LOWS IN THE LOWER 40S.
HIGHS AROUND 50. NORTHEAST WINDS 5 TO 10 MPH.
SATURDAY NIGHT
MOSTLY CLOUDY. LOWS IN THE LOWER 40S. EAST
WINDS 5 TO 10 MPH.
SUNDAY
PARTLY SUNNY WITH A CHANCE OF SHOWERS. HIGHS IN THE
LOWER 50S. EAST WINDS 5 TO 10 MPH.
OUTLOOK 8 TO 14 DAYS
TEMPERATURES NEAR NORMAL. PRECIPITATION ABOVE NORMAL.
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