937
FNUS51 KBOX 212010
FWFBOX
FIRE WEATHER PLANNING FORECAST FOR SOUTHERN NEW ENGLAND
NATIONAL WEATHER SERVICE BOSTON/NORTON MA
409 PM EDT TUE APR 21 2026
DISCUSSION
DRY FOR REMAINDER OF TODAY WITH MIN RELATIVE HUMIDITIES
20-35 PERCENT RANGE WHILE IN 40 PERCENT RANGE FOR CAPE AND
ISLANDS. LIGHT WINDS.
HUMIDITY TRENDS UPWARD INTO WEDNESDAY WITH VALUES OVER 60 PERCENT
ACCOMPANIED BY SHOWERS.
OUTLOOK...THURSDAY THROUGH SATURDAY
AN UPPER LEVEL LOW TO OUR NORTHEAST WILL MAINTAIN A COOLER AND
UNSETTLED WEATHER PATTERN FOR LATE IN THE WEEK INTO THE WEEKEND.
BEST CHANCES FOR SCATTERED DIURNAL SHOWERS ON THURSDAY IS ACROSS
EASTERN MA AND RI. OTHERWISE, THE PERIOD IS GENERALLY DRY WITH
TEMPERATURES NEAR TO SLIGHTLY COOLER THAN NORMAL.
MAZ015-220800-
SUFFOLK MA-
INCLUDING THE CITY OF BOSTON
409 PM EDT TUE APR 21 2026
TONIGHT WED WED NIGHT THU
CLOUD COVER PCLDY MCLDY MCLDY PCLDY
PRECIP TYPE NONE SHOWERS SHOWERS TSTMS
CHANCE PRECIP (%) 20 60 30 20
CHANCE OF THUNDER (%) 0 0 0 0
TEMP (24H TREND) 37 (+4) 47 (0) 41 61
RH % (24H TREND) 79 (+10) 60 (+32) 96 31
20FT WND AM(MPH) S 6 LGT/VAR
20FT WND PM(MPH) S 6 S 8 LGT/VAR NW 8
PRECIP AMOUNT 0.00 0.05 0.01 0.00
PRECIP DURATION 3 1
PRECIP BEGIN 6 AM CONTINUING
PRECIP END CONTINUING 6 AM
MIXING HGT (FT-AGL) 530 2810 900 8770
TRANSPORT WND (KTS) S 12 S 17 SW 7 NW 24
VENT RATE (KT-FT) 6360 47770 6300 210480
MAX ADI EARLY 49 GEN GOOD 44 GEN GOOD 29 FAIR 89 GOOD
MAX ADI LATE 11 POOR 42 GEN GOOD 4 VERY POOR 104 VERY GOOD
MAX LVORI EARLY 3 3 6 1
MAX LVORI LATE 3 3 6 1
MIN VSBY EARLY 9 9 4 FOG 7
MIN VSBY LATE 9 3 FOG 3 FOG 9
SUNSHINE HOURS N/A N/A N/A N/A
CWR 0 20 10
REMARKS...NONE.
FORECAST FOR DAYS 3 THROUGH 7
THURSDAY NIGHT
MOSTLY CLEAR. LOWS IN THE UPPER 30S. NORTHWEST
WINDS 5 TO 10 MPH.
FRIDAY AND FRIDAY NIGHT
PARTLY CLOUDY. LOWS IN THE UPPER 30S.
HIGHS IN THE LOWER 50S. NORTH WINDS 5 TO 10 MPH.
SATURDAY
MOSTLY SUNNY. HIGHS IN THE LOWER 50S. NORTHEAST WINDS
AROUND 5 MPH.
SATURDAY NIGHT
MOSTLY CLOUDY. LOWS IN THE UPPER 30S. SOUTHEAST
WINDS AROUND 5 MPH, BECOMING WEST AFTER MIDNIGHT.
SUNDAY
MOSTLY SUNNY. HIGHS IN THE UPPER 50S. NORTH WINDS
AROUND 5 MPH, BECOMING EAST IN THE AFTERNOON.
SUNDAY NIGHT THROUGH MONDAY NIGHT
MOSTLY CLOUDY. LOWS IN THE
MID 40S. HIGHS IN THE MID 50S. NORTHEAST WINDS 5 TO 10 MPH.
TUESDAY
PARTLY SUNNY WITH A CHANCE OF SHOWERS. HIGHS IN THE
UPPER 50S. EAST WINDS 5 TO 10 MPH.
MAZ016-220800-
EASTERN NORFOLK MA-
INCLUDING THE CITY OF QUINCY
409 PM EDT TUE APR 21 2026
TONIGHT WED WED NIGHT THU
CLOUD COVER PCLDY MCLDY MCLDY PCLDY
PRECIP TYPE NONE SHOWERS SHOWERS TSTMS
CHANCE PRECIP (%) 10 60 30 20
CHANCE OF THUNDER (%) 0 0 0 0
TEMP (24H TREND) 35 (+2) 47 (0) 39 60
RH % (24H TREND) 79 (+6) 60 (+30) 100 32
20FT WND AM(MPH) S 6 LGT/VAR
20FT WND PM(MPH) S 6 S 8 LGT/VAR NW 8
PRECIP AMOUNT 0.00 0.05 0.00 0.00
PRECIP DURATION 3
PRECIP BEGIN 6 AM
PRECIP END 6 PM
MIXING HGT (FT-AGL) 370 3070 840 8620
TRANSPORT WND (KTS) S 12 S 17 SW 7 NW 24
VENT RATE (KT-FT) 4440 52190 5880 206880
MAX ADI EARLY 49 GEN GOOD 46 GEN GOOD 30 FAIR 88 GOOD
MAX ADI LATE 10 POOR 45 GEN GOOD 4 VERY POOR 105 VERY GOOD
MAX LVORI EARLY 4 3 8 1
MAX LVORI LATE 4 3 8 1
MIN VSBY EARLY 9 9 4 FOG 7
MIN VSBY LATE 9 4 FOG 3 FOG 9
SUNSHINE HOURS N/A N/A N/A N/A
CWR 0 10 10
REMARKS...NONE.
FORECAST FOR DAYS 3 THROUGH 7
THURSDAY NIGHT
MOSTLY CLEAR. LOWS IN THE UPPER 30S. NORTHWEST
WINDS 5 TO 10 MPH.
FRIDAY AND FRIDAY NIGHT
PARTLY CLOUDY. LOWS IN THE UPPER 30S.
HIGHS IN THE LOWER 50S. NORTH WINDS 5 TO 10 MPH.
SATURDAY
MOSTLY SUNNY. HIGHS IN THE LOWER 50S. NORTHEAST WINDS
AROUND 5 MPH.
SATURDAY NIGHT
MOSTLY CLOUDY. LOWS IN THE UPPER 30S. SOUTHEAST
WINDS AROUND 5 MPH, BECOMING WEST AFTER MIDNIGHT.
SUNDAY
MOSTLY SUNNY. HIGHS IN THE MID 50S. NORTHEAST WINDS
AROUND 5 MPH.
SUNDAY NIGHT THROUGH MONDAY NIGHT
MOSTLY CLOUDY. LOWS IN THE
LOWER 40S. HIGHS IN THE MID 50S. NORTHEAST WINDS 5 TO 10 MPH.
TUESDAY
PARTLY SUNNY WITH A CHANCE OF SHOWERS. HIGHS IN THE
UPPER 50S. EAST WINDS 5 TO 10 MPH.
MAZ013-220800-
WESTERN NORFOLK MA-
INCLUDING THE CITIES OF FOXBOROUGH AND NORWOOD
409 PM EDT TUE APR 21 2026
TONIGHT WED WED NIGHT THU
CLOUD COVER PCLDY MCLDY MCLDY PCLDY
PRECIP TYPE NONE SHOWERS SHOWERS TSTMS
CHANCE PRECIP (%) 20 60 30 20
CHANCE OF THUNDER (%) 0 0 0 0
TEMP (24H TREND) 35 (+6) 46 (-4) 38 61
RH % (24H TREND) 82 (+7) 60 (+35) 100 29
20FT WND AM(MPH) S 5 LGT/VAR
20FT WND PM(MPH) LGT/VAR S 7 LGT/VAR NW 8
PRECIP AMOUNT 0.00 0.07 0.00 0.00
PRECIP DURATION 5
PRECIP BEGIN 6 AM
PRECIP END 6 PM
MIXING HGT (FT-AGL) 430 2620 580 8820
TRANSPORT WND (KTS) S 10 S 17 SW 5 NW 25
VENT RATE (KT-FT) 4300 44540 2900 220500
MAX ADI EARLY 54 GEN GOOD 42 GEN GOOD 24 FAIR 97 GOOD
MAX ADI LATE 9 POOR 41 GEN GOOD 3 VERY POOR 105 VERY GOOD
MAX LVORI EARLY 4 3 10 1
MAX LVORI LATE 4 3 10 1
MIN VSBY EARLY 9 4 FOG 4 FOG 7
MIN VSBY LATE 9 3 FOG 3 FOG 9
SUNSHINE HOURS N/A N/A N/A N/A
CWR 0 10 10
REMARKS...NONE.
FORECAST FOR DAYS 3 THROUGH 7
THURSDAY NIGHT
MOSTLY CLEAR. LOWS IN THE UPPER 30S. NORTHWEST
WINDS 5 TO 10 MPH.
FRIDAY AND FRIDAY NIGHT
PARTLY CLOUDY. LOWS IN THE MID 30S.
HIGHS IN THE MID 50S. NORTH WINDS AROUND 5 MPH.
SATURDAY
MOSTLY SUNNY. HIGHS IN THE MID 50S. NORTHEAST WINDS
AROUND 5 MPH.
SATURDAY NIGHT
MOSTLY CLOUDY. LOWS IN THE UPPER 30S. SOUTHEAST
WINDS AROUND 5 MPH IN THE EVENING, BECOMING LIGHT AND VARIABLE.
SUNDAY THROUGH MONDAY NIGHT
MOSTLY CLOUDY. LOWS 37 TO 43.
HIGHS IN THE UPPER 50S. NORTHEAST WINDS AROUND 5 MPH.
TUESDAY
PARTLY SUNNY WITH A CHANCE OF SHOWERS. HIGHS IN THE
UPPER 50S. EAST WINDS AROUND 5 MPH.
MAZ014-220800-
SOUTHEAST MIDDLESEX MA-
INCLUDING THE CITY OF CAMBRIDGE
409 PM EDT TUE APR 21 2026
TONIGHT WED WED NIGHT THU
CLOUD COVER PCLDY MCLDY MCLDY PCLDY
PRECIP TYPE NONE SHOWERS SHOWERS TSTMS
CHANCE PRECIP (%) 20 50 30 20
CHANCE OF THUNDER (%) 0 0 0 0
TEMP (24H TREND) 37 (+7) 47 (-1) 40 60
RH % (24H TREND) 76 (+1) 65 (+39) 96 31
20FT WND AM(MPH) S 5 LGT/VAR
20FT WND PM(MPH) SE 5 S 7 LGT/VAR NW 8
PRECIP AMOUNT 0.00 0.05 0.01 0.00
PRECIP DURATION 2 1
PRECIP BEGIN 6 AM CONTINUING
PRECIP END CONTINUING 6 AM
MIXING HGT (FT-AGL) 480 2650 790 8780
TRANSPORT WND (KTS) S 10 S 16 SW 7 NW 25
VENT RATE (KT-FT) 4800 42400 5530 219500
MAX ADI EARLY 51 GEN GOOD 2 VERY POOR 6 VERY POOR 99 GOOD
MAX ADI LATE 9 POOR 1 VERY POOR 5 VERY POOR 105 VERY GOOD
MAX LVORI EARLY 3 4 7 1
MAX LVORI LATE 3 4 7 1
MIN VSBY EARLY 9 9 4 FOG 7
MIN VSBY LATE 9 4 FOG 3 FOG 9
SUNSHINE HOURS N/A N/A N/A N/A
CWR 0 20 10
REMARKS...NONE.
FORECAST FOR DAYS 3 THROUGH 7
THURSDAY NIGHT
MOSTLY CLEAR. LOWS IN THE UPPER 30S. NORTHWEST
WINDS 5 TO 10 MPH.
FRIDAY AND FRIDAY NIGHT
PARTLY CLOUDY. LOWS IN THE UPPER 30S.
HIGHS IN THE MID 50S. NORTH WINDS AROUND 5 MPH.
SATURDAY
MOSTLY SUNNY. HIGHS IN THE MID 50S. NORTHEAST WINDS
AROUND 5 MPH.
SATURDAY NIGHT
MOSTLY CLOUDY. LOWS IN THE UPPER 30S. SOUTHEAST
WINDS AROUND 5 MPH IN THE EVENING, BECOMING LIGHT AND VARIABLE.
SUNDAY
MOSTLY SUNNY. HIGHS IN THE UPPER 50S. NORTH WINDS
AROUND 5 MPH, BECOMING EAST AROUND 5 MPH IN THE AFTERNOON.
SUNDAY NIGHT THROUGH MONDAY NIGHT
MOSTLY CLOUDY. LOWS IN THE
LOWER 40S. HIGHS IN THE UPPER 50S. NORTHEAST WINDS AROUND 5 MPH.
TUESDAY
PARTLY SUNNY WITH A CHANCE OF SHOWERS. HIGHS IN THE
UPPER 50S. EAST WINDS 5 TO 10 MPH.
MAZ007-220800-
EASTERN ESSEX MA-
INCLUDING THE CITY OF GLOUCESTER
409 PM EDT TUE APR 21 2026
TONIGHT WED WED NIGHT THU
CLOUD COVER PCLDY MCLDY MCLDY PCLDY
PRECIP TYPE NONE SHOWERS SHOWERS TSTMS
CHANCE PRECIP (%) 10 30 20 20
CHANCE OF THUNDER (%) 0 0 0 0
TEMP (24H TREND) 35 (+4) 48 (+3) 38 58
RH % (24H TREND) 79 (+7) 65 (+33) 100 33
20FT WND AM(MPH) S 6 LGT/VAR
20FT WND PM(MPH) S 7 S 8 S 5 NW 7
PRECIP AMOUNT 0.00 0.03 0.01 0.00
PRECIP DURATION 2 1
PRECIP BEGIN 6 AM CONTINUING
PRECIP END CONTINUING 6 AM
MIXING HGT (FT-AGL) 500 2800 760 7790
TRANSPORT WND (KTS) S 13 S 17 SW 9 NW 23
VENT RATE (KT-FT) 6500 47600 6840 179170
MAX ADI EARLY 37 FAIR 18 GEN POOR 8 POOR 78 GOOD
MAX ADI LATE 12 POOR 1 VERY POOR 6 VERY POOR 103 VERY GOOD
MAX LVORI EARLY 3 4 7 1
MAX LVORI LATE 3 4 7 1
MIN VSBY EARLY 9 9 4 FOG 7
MIN VSBY LATE 9 8 4 FOG 9
SUNSHINE HOURS N/A N/A N/A N/A
CWR 0 10 10 10
REMARKS...NONE.
FORECAST FOR DAYS 3 THROUGH 7
THURSDAY NIGHT
MOSTLY CLEAR. LOWS IN THE UPPER 30S. NORTHWEST
WINDS 5 TO 10 MPH.
FRIDAY
MOSTLY SUNNY. HIGHS IN THE LOWER 50S. NORTHWEST WINDS
5 TO 10 MPH, BECOMING NORTHEAST IN THE AFTERNOON.
FRIDAY NIGHT
PARTLY CLOUDY. LOWS IN THE MID 30S. EAST WINDS
AROUND 5 MPH, BECOMING NORTH AFTER MIDNIGHT.
SATURDAY
MOSTLY SUNNY. HIGHS IN THE LOWER 50S. NORTHEAST WINDS
5 TO 10 MPH, BECOMING EAST IN THE AFTERNOON.
SATURDAY NIGHT
MOSTLY CLOUDY. LOWS IN THE UPPER 30S. SOUTH
WINDS AROUND 5 MPH, BECOMING WEST AFTER MIDNIGHT.
SUNDAY AND SUNDAY NIGHT
PARTLY CLOUDY. LOWS IN THE LOWER 40S.
HIGHS IN THE LOWER 50S. NORTHEAST WINDS 5 TO 10 MPH.
MONDAY
PARTLY SUNNY. HIGHS IN THE LOWER 50S. EAST WINDS 5 TO
10 MPH.
MONDAY NIGHT
PARTLY CLOUDY. LOWS IN THE LOWER 40S. NORTHEAST
WINDS 5 TO 10 MPH.
TUESDAY
PARTLY SUNNY WITH A CHANCE OF SHOWERS. HIGHS IN THE
MID 50S. EAST WINDS 5 TO 10 MPH.
MAZ006-220800-
WESTERN ESSEX MA-
INCLUDING THE CITY OF LAWRENCE
409 PM EDT TUE APR 21 2026
TONIGHT WED WED NIGHT THU
CLOUD COVER PCLDY MCLDY MCLDY PCLDY
PRECIP TYPE NONE SHOWERS SHOWERS TSTMS
CHANCE PRECIP (%) 10 30 20 20
CHANCE OF THUNDER (%) 0 0 0 0
TEMP (24H TREND) 34 (+6) 47 (-1) 38 58
RH % (24H TREND) 79 (+8) 65 (+41) 100 31
20FT WND AM(MPH) LGT/VAR LGT/VAR
20FT WND PM(MPH) LGT/VAR S 5 LGT/VAR NW 7 G17
PRECIP AMOUNT 0.00 0.04 0.01 0.00
PRECIP DURATION 2 1
PRECIP BEGIN 6 AM CONTINUING
PRECIP END CONTINUING 6 AM
MIXING HGT (FT-AGL) 480 2640 670 8560
TRANSPORT WND (KTS) S 13 S 16 SW 8 NW 26
VENT RATE (KT-FT) 6240 42240 5360 222560
MAX ADI EARLY 47 GEN GOOD 14 GEN POOR 5 VERY POOR 85 GOOD
MAX ADI LATE 9 POOR 1 VERY POOR 5 VERY POOR 105 VERY GOOD
MAX LVORI EARLY 4 4 9 1
MAX LVORI LATE 4 4 9 1
MIN VSBY EARLY 9 8 4 FOG 7
MIN VSBY LATE 9 9 4 FOG 9
SUNSHINE HOURS N/A N/A N/A N/A
CWR 0 10 10 10
REMARKS...NONE.
FORECAST FOR DAYS 3 THROUGH 7
THURSDAY NIGHT
MOSTLY CLEAR. LOWS IN THE MID 30S. NORTHWEST
WINDS 5 TO 10 MPH.
FRIDAY AND FRIDAY NIGHT
PARTLY CLOUDY. LOWS IN THE MID 30S.
HIGHS IN THE MID 50S. NORTH WINDS AROUND 5 MPH.
SATURDAY
MOSTLY SUNNY. HIGHS IN THE MID 50S. NORTHEAST WINDS
AROUND 5 MPH, BECOMING EAST AROUND 5 MPH IN THE AFTERNOON.
SATURDAY NIGHT
MOSTLY CLOUDY. LOWS IN THE UPPER 30S. SOUTHEAST
WINDS AROUND 5 MPH IN THE EVENING, BECOMING LIGHT AND VARIABLE.
SUNDAY AND SUNDAY NIGHT
PARTLY CLOUDY. LOWS IN THE UPPER 30S.
HIGHS IN THE UPPER 50S. NORTHEAST WINDS AROUND 5 MPH.
MONDAY AND MONDAY NIGHT
MOSTLY CLOUDY. LOWS IN THE LOWER 40S.
HIGHS IN THE UPPER 50S. NORTHEAST WINDS AROUND 5 MPH.
TUESDAY
PARTLY SUNNY WITH A CHANCE OF SHOWERS. HIGHS IN THE
UPPER 50S. EAST WINDS 5 TO 10 MPH.
MAZ005-220800-
CENTRAL MIDDLESEX MA-
INCLUDING THE CITIES OF FRAMINGHAM AND LOWELL
409 PM EDT TUE APR 21 2026
TONIGHT WED WED NIGHT THU
CLOUD COVER PCLDY MCLDY MCLDY PCLDY
PRECIP TYPE NONE SHOWERS SHOWERS TSTMS
CHANCE PRECIP (%) 20 60 30 20
CHANCE OF THUNDER (%) 0 0 0 0
TEMP (24H TREND) 35 (+7) 47 (-3) 38 60
RH % (24H TREND) 79 (+1) 60 (+37) 100 29
20FT WND AM(MPH) LGT/VAR LGT/VAR
20FT WND PM(MPH) LGT/VAR S 6 LGT/VAR NW 7 G17
PRECIP AMOUNT 0.00 0.06 0.00 0.00
PRECIP DURATION 5
PRECIP BEGIN 6 AM
PRECIP END 6 PM
MIXING HGT (FT-AGL) 570 2460 510 8860
TRANSPORT WND (KTS) S 10 S 15 W 7 NW 26
VENT RATE (KT-FT) 5700 36900 3570 230360
MAX ADI EARLY 55 GEN GOOD 4 VERY POOR 5 VERY POOR 93 GOOD
MAX ADI LATE 9 POOR 1 VERY POOR 4 VERY POOR 105 VERY GOOD
MAX LVORI EARLY 4 4 9 1
MAX LVORI LATE 4 4 9 1
MIN VSBY EARLY 9 4 FOG 4 FOG 7
MIN VSBY LATE 9 3 FOG 3 FOG 9
SUNSHINE HOURS N/A N/A N/A N/A
CWR 0 10 10
REMARKS...NONE.
FORECAST FOR DAYS 3 THROUGH 7
THURSDAY NIGHT
MOSTLY CLEAR. LOWS IN THE MID 30S. NORTHWEST
WINDS 5 TO 10 MPH.
FRIDAY AND FRIDAY NIGHT
PARTLY CLOUDY. LOWS IN THE MID 30S.
HIGHS IN THE MID 50S. NORTH WINDS AROUND 5 MPH.
SATURDAY
MOSTLY SUNNY. HIGHS IN THE UPPER 50S. NORTHEAST WINDS
AROUND 5 MPH.
SATURDAY NIGHT
MOSTLY CLOUDY. LOWS IN THE UPPER 30S. SOUTHEAST
WINDS AROUND 5 MPH IN THE EVENING, BECOMING LIGHT AND VARIABLE.
SUNDAY
MOSTLY SUNNY. HIGHS AROUND 60. NORTHEAST WINDS AROUND
5 MPH, BECOMING EAST AROUND 5 MPH IN THE AFTERNOON.
SUNDAY NIGHT THROUGH MONDAY NIGHT
MOSTLY CLOUDY. LOWS IN THE
LOWER 40S. HIGHS IN THE UPPER 50S. NORTHEAST WINDS AROUND 5 MPH.
TUESDAY
PARTLY SUNNY WITH A CHANCE OF SHOWERS. HIGHS IN THE
UPPER 50S. EAST WINDS AROUND 5 MPH.
MAZ012-220800-
SOUTHERN WORCESTER MA-
INCLUDING THE CITIES OF MILFORD AND WORCESTER
409 PM EDT TUE APR 21 2026
TONIGHT WED WED NIGHT THU
CLOUD COVER PCLDY MCLDY MCLDY PCLDY
PRECIP TYPE SHOWERS SHOWERS SHOWERS TSTMS
CHANCE PRECIP (%) 30 60 30 20
CHANCE OF THUNDER (%) 0 0 0 0
TEMP (24H TREND) 33 (+4) 46 (-3) 37 61
RH % (24H TREND) 89 (+17) 70 (+45) 100 31
20FT WND AM(MPH) S 6 W 5
20FT WND PM(MPH) LGT/VAR S 7 LGT/VAR NW 8 G19
PRECIP AMOUNT 0.01 0.09 0.00 0.00
PRECIP DURATION 0 5
PRECIP BEGIN 4 AM CONTINUING
PRECIP END CONTINUING 6 PM
MIXING HGT (FT-AGL) 530 2310 390 8360
TRANSPORT WND (KTS) S 10 S 14 W 5 NW 25
VENT RATE (KT-FT) 5300 32340 1950 209000
MAX ADI EARLY 55 GEN GOOD 33 FAIR 18 GEN POOR 97 GOOD
MAX ADI LATE 9 POOR 34 FAIR 4 VERY POOR 105 VERY GOOD
MAX LVORI EARLY 4 3 10 1
MAX LVORI LATE 4 3 10 1
MIN VSBY EARLY 9 2 FOG 3 FOG 7
MIN VSBY LATE 9 3 FOG 2 FOG 9
SUNSHINE HOURS N/A N/A N/A N/A
CWR 10 10 10
REMARKS...NONE.
FORECAST FOR DAYS 3 THROUGH 7
THURSDAY NIGHT
PARTLY CLOUDY. LOWS IN THE MID 30S. NORTHWEST
WINDS 5 TO 10 MPH.
FRIDAY AND FRIDAY NIGHT
PARTLY CLOUDY. LOWS IN THE MID 30S.
HIGHS IN THE MID 50S. NORTH WINDS 5 TO 10 MPH.
SATURDAY
MOSTLY SUNNY. HIGHS IN THE UPPER 50S. NORTHEAST WINDS
AROUND 5 MPH.
SATURDAY NIGHT
MOSTLY CLOUDY. LOWS IN THE MID 30S. SOUTHEAST
WINDS AROUND 5 MPH, BECOMING WEST AFTER MIDNIGHT.
SUNDAY THROUGH MONDAY NIGHT
MOSTLY CLOUDY. LOWS 36 TO 42.
HIGHS AROUND 60. NORTHEAST WINDS AROUND 5 MPH.
TUESDAY
PARTLY SUNNY WITH A CHANCE OF SHOWERS. HIGHS AROUND
60. EAST WINDS 5 TO 10 MPH.
MAZ004-220800-
NORTHERN WORCESTER MA-
INCLUDING THE CITIES OF BARRE AND FITCHBURG
409 PM EDT TUE APR 21 2026
TONIGHT WED WED NIGHT THU
CLOUD COVER PCLDY MCLDY MCLDY PCLDY
PRECIP TYPE NONE SHOWERS SHOWERS TSTMS
CHANCE PRECIP (%) 30 60 30 20
CHANCE OF THUNDER (%) 0 0 0 0
TEMP (24H TREND) 32 (+6) 46 (-2) 36 59
RH % (24H TREND) 89 (+5) 63 (+41) 100 28
20FT WND AM(MPH) S 5 LGT/VAR
20FT WND PM(MPH) LGT/VAR S 6 LGT/VAR NW 9 G21
PRECIP AMOUNT 0.00 0.10 0.00 0.00
PRECIP DURATION 5
PRECIP BEGIN 6 AM
PRECIP END 6 PM
MIXING HGT (FT-AGL) 450 2360 220 8160
TRANSPORT WND (KTS) S 11 S 14 W 6 NW 26
VENT RATE (KT-FT) 4950 33040 1320 212160
MAX ADI EARLY 62 GOOD 2 VERY POOR 9 POOR 104 VERY GOOD
MAX ADI LATE 10 POOR 1 VERY POOR 4 VERY POOR 104 VERY GOOD
MAX LVORI EARLY 4 6 10 1
MAX LVORI LATE 4 6 10 1
MIN VSBY EARLY 9 1 FOG 3 FOG 5 FOG
MIN VSBY LATE 9 4 FOG 3 FOG 9
SUNSHINE HOURS N/A N/A N/A N/A
CWR 0 20 10
REMARKS...NONE.
FORECAST FOR DAYS 3 THROUGH 7
THURSDAY NIGHT
MOSTLY CLEAR. LOWS IN THE LOWER 30S. NORTHWEST
WINDS 5 TO 10 MPH.
FRIDAY AND FRIDAY NIGHT
PARTLY CLOUDY. LOWS IN THE LOWER 30S.
HIGHS IN THE MID 50S. NORTHEAST WINDS 5 TO 10 MPH.
SATURDAY
MOSTLY SUNNY. HIGHS IN THE MID 50S. EAST WINDS AROUND
5 MPH.
SATURDAY NIGHT
MOSTLY CLOUDY. LOWS IN THE MID 30S. SOUTHEAST
WINDS AROUND 5 MPH, BECOMING WEST AFTER MIDNIGHT.
SUNDAY
MOSTLY SUNNY. HIGHS IN THE UPPER 50S. NORTHEAST WINDS
AROUND 5 MPH.
SUNDAY NIGHT THROUGH MONDAY NIGHT
MOSTLY CLOUDY. LOWS IN THE
UPPER 30S. HIGHS IN THE UPPER 50S. NORTHEAST WINDS 5 TO 10 MPH.
TUESDAY
MOSTLY CLOUDY WITH A CHANCE OF SHOWERS. HIGHS IN THE
UPPER 50S. EAST WINDS 5 TO 10 MPH.
MAZ026-220800-
NORTHERN MIDDLESEX MA-
INCLUDING THE CITY OF AYER
409 PM EDT TUE APR 21 2026
TONIGHT WED WED NIGHT THU
CLOUD COVER PCLDY MCLDY MCLDY PCLDY
PRECIP TYPE NONE SHOWERS SHOWERS TSTMS
CHANCE PRECIP (%) 20 60 30 20
CHANCE OF THUNDER (%) 0 0 0 0
TEMP (24H TREND) 32 (+5) 47 (-3) 36 60
RH % (24H TREND) 82 (+14) 68 (+44) 100 29
20FT WND AM(MPH) LGT/VAR LGT/VAR
20FT WND PM(MPH) LGT/VAR S 5 LGT/VAR NW 8 G20
PRECIP AMOUNT 0.00 0.09 0.01 0.00
PRECIP DURATION 5 1
PRECIP BEGIN 6 AM CONTINUING
PRECIP END CONTINUING 6 AM
MIXING HGT (FT-AGL) 450 2470 310 8740
TRANSPORT WND (KTS) S 10 S 14 W 6 NW 27
VENT RATE (KT-FT) 4500 34580 1860 235980
MAX ADI EARLY 72 GOOD 21 FAIR 11 POOR 105 VERY GOOD
MAX ADI LATE 6 VERY POOR 1 VERY POOR 4 VERY POOR 105 VERY GOOD
MAX LVORI EARLY 4 5 9 1
MAX LVORI LATE 4 5 9 1
MIN VSBY EARLY 9 2 FOG 3 FOG 8
MIN VSBY LATE 9 5 FOG 4 FOG 9
SUNSHINE HOURS N/A N/A N/A N/A
CWR 0 20 20
REMARKS...NONE.
FORECAST FOR DAYS 3 THROUGH 7
THURSDAY NIGHT
MOSTLY CLEAR. LOWS IN THE MID 30S. NORTHWEST
WINDS 5 TO 10 MPH.
FRIDAY AND FRIDAY NIGHT
PARTLY CLOUDY. LOWS IN THE LOWER 30S.
HIGHS IN THE MID 50S. NORTH WINDS AROUND 5 MPH.
SATURDAY
MOSTLY SUNNY. HIGHS IN THE UPPER 50S. NORTHEAST WINDS
AROUND 5 MPH.
SATURDAY NIGHT
MOSTLY CLOUDY. LOWS IN THE MID 30S. SOUTHEAST
WINDS AROUND 5 MPH IN THE EVENING, BECOMING LIGHT AND VARIABLE.
SUNDAY
MOSTLY SUNNY. HIGHS IN THE LOWER 60S. EAST WINDS AROUND
5 MPH.
SUNDAY NIGHT THROUGH MONDAY NIGHT
MOSTLY CLOUDY. LOWS AROUND
40. HIGHS AROUND 60. NORTHEAST WINDS AROUND 5 MPH.
TUESDAY
PARTLY SUNNY WITH A CHANCE OF SHOWERS. HIGHS IN THE
UPPER 50S. EAST WINDS AROUND 5 MPH.
MAZ002-220800-
WESTERN FRANKLIN MA-
INCLUDING THE CITY OF CHARLEMONT
409 PM EDT TUE APR 21 2026
TONIGHT WED WED NIGHT THU
CLOUD COVER PCLDY MCLDY PCLDY MCLEAR
PRECIP TYPE FRZ RAIN SHOWERS NONE NONE
CHANCE PRECIP (%) 40 50 20 10
CHANCE OF THUNDER (%) 0 0 0 0
TEMP (24H TREND) 31 (+7) 45 (-2) 35 58
RH % (24H TREND) 89 (+5) 70 (+46) 100 31
20FT WND AM(MPH) S 5 LGT/VAR
20FT WND PM(MPH) LGT/VAR LGT/VAR LGT/VAR NW 7 G19
PRECIP AMOUNT 0.04 0.11 0.00 0.00
PRECIP DURATION 1 2
PRECIP BEGIN 12 AM CONTINUING
PRECIP END CONTINUING 6 PM
MIXING HGT (FT-AGL) 190 2160 50 7760
TRANSPORT WND (KTS) S 8 S 13 W 6 NW 25
VENT RATE (KT-FT) 1520 28080 300 194000
MAX ADI EARLY 56 GEN GOOD 1 VERY POOR 9 POOR 104 VERY GOOD
MAX ADI LATE 8 POOR 4 VERY POOR 4 VERY POOR 105 VERY GOOD
MAX LVORI EARLY 5 6 9 1
MAX LVORI LATE 5 6 9 1
MIN VSBY EARLY 9 2 FOG 3 FOG 6 FOG
MIN VSBY LATE 9 5 FOG 5 FOG 9
SUNSHINE HOURS N/A N/A N/A N/A
CWR 20 30 0 0
REMARKS...NONE.
FORECAST FOR DAYS 3 THROUGH 7
THURSDAY NIGHT
PARTLY CLOUDY. LOWS IN THE LOWER 30S. NORTHWEST
WINDS 5 TO 10 MPH.
FRIDAY AND FRIDAY NIGHT
MOSTLY CLEAR. LOWS IN THE LOWER 30S.
HIGHS IN THE LOWER 50S. NORTHEAST WINDS AROUND 5 MPH.
SATURDAY
MOSTLY SUNNY. HIGHS IN THE MID 50S. EAST WINDS AROUND
5 MPH.
SATURDAY NIGHT
MOSTLY CLOUDY. LOWS IN THE MID 30S. SOUTH WINDS
AROUND 5 MPH.
SUNDAY
MOSTLY SUNNY. HIGHS IN THE UPPER 50S. EAST WINDS AROUND
5 MPH.
SUNDAY NIGHT THROUGH MONDAY NIGHT
MOSTLY CLOUDY. LOWS AROUND
40. HIGHS IN THE UPPER 50S. EAST WINDS AROUND 5 MPH.
TUESDAY
PARTLY SUNNY WITH A CHANCE OF SHOWERS. HIGHS IN THE
UPPER 50S. EAST WINDS AROUND 5 MPH.
MAZ003-220800-
EASTERN FRANKLIN MA-
INCLUDING THE CITIES OF GREENFIELD AND ORANGE
409 PM EDT TUE APR 21 2026
TONIGHT WED WED NIGHT THU
CLOUD COVER PCLDY MCLDY MCLDY PCLDY
PRECIP TYPE SHOWERS SHOWERS NONE SHOWERS
CHANCE PRECIP (%) 30 60 20 20
CHANCE OF THUNDER (%) 0 0 0 0
TEMP (24H TREND) 32 (+8) 47 (-2) 36 60
RH % (24H TREND) 89 (-3) 68 (+45) 100 30
20FT WND AM(MPH) S 5 LGT/VAR
20FT WND PM(MPH) LGT/VAR S 6 LGT/VAR NW 8 G20
PRECIP AMOUNT 0.03 0.11 0.00 0.00
PRECIP DURATION 0 4
PRECIP BEGIN 3 AM CONTINUING
PRECIP END CONTINUING 6 PM
MIXING HGT (FT-AGL) 310 2480 120 8090
TRANSPORT WND (KTS) S 8 S 14 SW 4 NW 25
VENT RATE (KT-FT) 2480 34720 480 202250
MAX ADI EARLY 61 GOOD 1 VERY POOR 3 VERY POOR 105 VERY GOOD
MAX ADI LATE 11 POOR 1 VERY POOR 3 VERY POOR 104 VERY GOOD
MAX LVORI EARLY 5 6 10 1
MAX LVORI LATE 5 6 10 1
MIN VSBY EARLY 9 3 FOG 8 2 FOG
MIN VSBY LATE 9 5 FOG 2 FOG 9
SUNSHINE HOURS N/A N/A N/A N/A
CWR 20 30 0
REMARKS...NONE.
FORECAST FOR DAYS 3 THROUGH 7
THURSDAY NIGHT
PARTLY CLOUDY. LOWS IN THE MID 30S. NORTHWEST
WINDS 5 TO 10 MPH.
FRIDAY AND FRIDAY NIGHT
MOSTLY CLEAR. LOWS IN THE LOWER 30S.
HIGHS IN THE MID 50S. NORTH WINDS 5 TO 10 MPH.
SATURDAY
MOSTLY SUNNY. HIGHS IN THE UPPER 50S. NORTHEAST WINDS
AROUND 5 MPH, BECOMING SOUTHEAST IN THE AFTERNOON.
SATURDAY NIGHT
MOSTLY CLOUDY. LOWS IN THE MID 30S. SOUTHEAST
WINDS AROUND 5 MPH.
SUNDAY
MOSTLY SUNNY. HIGHS IN THE LOWER 60S. NORTHEAST WINDS
AROUND 5 MPH.
SUNDAY NIGHT THROUGH MONDAY NIGHT
MOSTLY CLOUDY. LOWS IN THE
LOWER 40S. HIGHS AROUND 60. EAST WINDS 5 TO 10 MPH.
TUESDAY
MOSTLY CLOUDY WITH A CHANCE OF SHOWERS. HIGHS IN THE
UPPER 50S. EAST WINDS 5 TO 10 MPH.
MAZ008-220800-
WESTERN HAMPSHIRE MA-
INCLUDING THE CITY OF CHESTERFIELD
409 PM EDT TUE APR 21 2026
TONIGHT WED WED NIGHT THU
CLOUD COVER PCLDY MCLDY PCLDY MCLEAR
PRECIP TYPE FRZ RAIN SHOWERS NONE NONE
CHANCE PRECIP (%) 40 60 20 10
CHANCE OF THUNDER (%) 0 0 0 0
TEMP (24H TREND) 32 (+7) 46 (-1) 35 59
RH % (24H TREND) 89 (+15) 74 (+48) 100 32
20FT WND AM(MPH) S 5 NW 5 G18
20FT WND PM(MPH) LGT/VAR S 5 LGT/VAR NW 9 G21
PRECIP AMOUNT 0.04 0.11 0.00 0.00
PRECIP DURATION 1 5
PRECIP BEGIN 12 AM CONTINUING
PRECIP END CONTINUING 6 PM
MIXING HGT (FT-AGL) 300 2040 80 7710
TRANSPORT WND (KTS) S 10 S 14 W 6 NW 26
VENT RATE (KT-FT) 3000 28560 480 200460
MAX ADI EARLY 57 GEN GOOD 10 POOR 9 POOR 100 GOOD
MAX ADI LATE 8 POOR 9 POOR 4 VERY POOR 105 VERY GOOD
MAX LVORI EARLY 5 6 10 1
MAX LVORI LATE 5 6 10 1
MIN VSBY EARLY 9 2 FOG 2 FOG 7
MIN VSBY LATE 9 4 FOG 5 FOG 9
SUNSHINE HOURS N/A N/A N/A N/A
CWR 20 30 0 0
REMARKS...NONE.
FORECAST FOR DAYS 3 THROUGH 7
THURSDAY NIGHT
PARTLY CLOUDY. LOWS IN THE MID 30S. NORTHWEST
WINDS 5 TO 10 MPH.
FRIDAY
SUNNY. HIGHS IN THE LOWER 50S. NORTHWEST WINDS AROUND
5 MPH.
FRIDAY NIGHT
MOSTLY CLEAR. LOWS IN THE LOWER 30S. NORTH WINDS
AROUND 5 MPH.
SATURDAY
MOSTLY SUNNY. HIGHS IN THE MID 50S. EAST WINDS AROUND
5 MPH.
SATURDAY NIGHT
MOSTLY CLOUDY. LOWS IN THE MID 30S. SOUTHEAST
WINDS AROUND 5 MPH, BECOMING SOUTHWEST AFTER MIDNIGHT.
SUNDAY
MOSTLY SUNNY. HIGHS IN THE UPPER 50S. EAST WINDS AROUND
5 MPH.
SUNDAY NIGHT THROUGH MONDAY NIGHT
MOSTLY CLOUDY. LOWS AROUND
40. HIGHS IN THE UPPER 50S. EAST WINDS AROUND 5 MPH.
TUESDAY
PARTLY SUNNY WITH A CHANCE OF SHOWERS. HIGHS IN THE
UPPER 50S. EAST WINDS AROUND 5 MPH.
MAZ010-220800-
EASTERN HAMPSHIRE MA-
INCLUDING THE CITIES OF AMHERST AND NORTHAMPTON
409 PM EDT TUE APR 21 2026
TONIGHT WED WED NIGHT THU
CLOUD COVER PCLDY MCLDY MCLDY PCLDY
PRECIP TYPE SHOWERS SHOWERS NONE NONE
CHANCE PRECIP (%) 40 60 20 10
CHANCE OF THUNDER (%) 0 0 0 0
TEMP (24H TREND) 34 (+9) 48 (-2) 37 62
RH % (24H TREND) 89 (+5) 68 (+43) 100 31
20FT WND AM(MPH) S 6 LGT/VAR
20FT WND PM(MPH) LGT/VAR S 7 LGT/VAR NW 10 G20
PRECIP AMOUNT 0.03 0.12 0.00 0.00
PRECIP DURATION 1 6
PRECIP BEGIN 1 AM CONTINUING
PRECIP END CONTINUING 6 PM
MIXING HGT (FT-AGL) 460 2500 250 8270
TRANSPORT WND (KTS) S 11 S 14 W 4 NW 25
VENT RATE (KT-FT) 5060 35000 1000 206750
MAX ADI EARLY 61 GOOD 32 FAIR 11 POOR 104 VERY GOOD
MAX ADI LATE 9 POOR 34 FAIR 3 VERY POOR 104 VERY GOOD
MAX LVORI EARLY 4 3 10 1
MAX LVORI LATE 4 3 10 1
MIN VSBY EARLY 9 2 FOG 8 6 FOG
MIN VSBY LATE 9 4 FOG 7 9
SUNSHINE HOURS N/A N/A N/A N/A
CWR 20 30 0 0
REMARKS...NONE.
FORECAST FOR DAYS 3 THROUGH 7
THURSDAY NIGHT
PARTLY CLOUDY. LOWS IN THE MID 30S. NORTHWEST
WINDS 5 TO 10 MPH.
FRIDAY AND FRIDAY NIGHT
MOSTLY CLEAR. LOWS IN THE MID 30S.
HIGHS IN THE UPPER 50S. NORTHEAST WINDS AROUND 5 MPH.
SATURDAY
MOSTLY SUNNY. HIGHS IN THE UPPER 50S. EAST WINDS
AROUND 5 MPH.
SATURDAY NIGHT
MOSTLY CLOUDY. LOWS IN THE UPPER 30S. SOUTHEAST
WINDS AROUND 5 MPH.
SUNDAY
MOSTLY SUNNY. HIGHS IN THE LOWER 60S. NORTHEAST WINDS
AROUND 5 MPH.
SUNDAY NIGHT THROUGH MONDAY NIGHT
MOSTLY CLOUDY. LOWS IN THE
LOWER 40S. HIGHS IN THE LOWER 60S. EAST WINDS 5 TO 10 MPH.
TUESDAY
PARTLY SUNNY WITH A CHANCE OF SHOWERS. HIGHS IN THE
LOWER 60S. EAST WINDS 5 TO 10 MPH.
MAZ009-220800-
WESTERN HAMPDEN MA-
INCLUDING THE CITY OF BLANDFORD
409 PM EDT TUE APR 21 2026
TONIGHT WED WED NIGHT THU
CLOUD COVER PCLDY MCLDY PCLDY MCLEAR
PRECIP TYPE SHOWERS SHOWERS NONE NONE
CHANCE PRECIP (%) 40 60 20 10
CHANCE OF THUNDER (%) 0 0 0 0
TEMP (24H TREND) 32 (+6) 47 (-1) 35 61
RH % (24H TREND) 92 (+18) 73 (+47) 100 33
20FT WND AM(MPH) S 6 NW 5 G17
20FT WND PM(MPH) LGT/VAR S 5 LGT/VAR NW 9 G21
PRECIP AMOUNT 0.04 0.11 0.00 0.00
PRECIP DURATION 1 6
PRECIP BEGIN 12 AM CONTINUING
PRECIP END CONTINUING 6 PM
MIXING HGT (FT-AGL) 280 2020 30 7830
TRANSPORT WND (KTS) S 11 S 14 W 5 NW 26
VENT RATE (KT-FT) 3080 28280 150 203580
MAX ADI EARLY 54 GEN GOOD 29 FAIR 9 POOR 104 VERY GOOD
MAX ADI LATE 9 POOR 29 FAIR 5 VERY POOR 105 VERY GOOD
MAX LVORI EARLY 5 4 10 1
MAX LVORI LATE 5 4 10 1
MIN VSBY EARLY 9 2 FOG 3 FOG 8
MIN VSBY LATE 9 4 FOG 6 FOG 9
SUNSHINE HOURS N/A N/A N/A N/A
CWR 30 40 0 0
REMARKS...NONE.
FORECAST FOR DAYS 3 THROUGH 7
THURSDAY NIGHT
PARTLY CLOUDY. LOWS IN THE MID 30S. NORTHWEST
WINDS 5 TO 10 MPH.
FRIDAY
MOSTLY SUNNY. HIGHS IN THE MID 50S. NORTHWEST WINDS
AROUND 5 MPH.
FRIDAY NIGHT
MOSTLY CLEAR. LOWS IN THE LOWER 30S. NORTHEAST
WINDS AROUND 5 MPH.
SATURDAY
MOSTLY SUNNY. HIGHS IN THE MID 50S. EAST WINDS AROUND
5 MPH.
SATURDAY NIGHT
MOSTLY CLOUDY. LOWS IN THE MID 30S. SOUTH WINDS
AROUND 5 MPH.
SUNDAY
MOSTLY SUNNY. HIGHS IN THE UPPER 50S. EAST WINDS AROUND
5 MPH.
SUNDAY NIGHT THROUGH MONDAY NIGHT
MOSTLY CLOUDY. LOWS AROUND
40. HIGHS AROUND 60. EAST WINDS AROUND 5 MPH.
TUESDAY
PARTLY SUNNY WITH A CHANCE OF SHOWERS. HIGHS IN THE
UPPER 50S. EAST WINDS AROUND 5 MPH.
MAZ011-220800-
EASTERN HAMPDEN MA-
INCLUDING THE CITY OF SPRINGFIELD
409 PM EDT TUE APR 21 2026
TONIGHT WED WED NIGHT THU
CLOUD COVER PCLDY MCLDY MCLDY PCLDY
PRECIP TYPE SHOWERS SHOWERS NONE NONE
CHANCE PRECIP (%) 40 60 20 10
CHANCE OF THUNDER (%) 0 0 0 0
TEMP (24H TREND) 34 (+7) 49 (-1) 37 63
RH % (24H TREND) 89 (+4) 63 (+40) 100 29
20FT WND AM(MPH) S 7 G17 LGT/VAR
20FT WND PM(MPH) S 5 S 7 G18 LGT/VAR NW 10 G21
PRECIP AMOUNT 0.03 0.11 0.00 0.00
PRECIP DURATION 1 6
PRECIP BEGIN 1 AM CONTINUING
PRECIP END CONTINUING 6 PM
MIXING HGT (FT-AGL) 480 2540 240 8350
TRANSPORT WND (KTS) S 11 S 15 W 4 NW 25
VENT RATE (KT-FT) 5280 38100 960 208750
MAX ADI EARLY 61 GOOD 35 FAIR 13 GEN POOR 104 VERY GOOD
MAX ADI LATE 10 POOR 37 FAIR 3 VERY POOR 105 VERY GOOD
MAX LVORI EARLY 4 4 10 1
MAX LVORI LATE 4 4 10 1
MIN VSBY EARLY 9 2 FOG 6 FOG 8
MIN VSBY LATE 9 4 FOG 7 9
SUNSHINE HOURS N/A N/A N/A N/A
CWR 20 30 0 0
REMARKS...NONE.
FORECAST FOR DAYS 3 THROUGH 7
THURSDAY NIGHT
PARTLY CLOUDY. LOWS IN THE UPPER 30S. NORTHWEST
WINDS 5 TO 10 MPH.
FRIDAY
MOSTLY SUNNY. HIGHS IN THE UPPER 50S. NORTH WINDS 5 TO
10 MPH.
FRIDAY NIGHT
MOSTLY CLEAR. LOWS IN THE LOWER 30S. NORTHEAST
WINDS AROUND 5 MPH.
SATURDAY
MOSTLY SUNNY. HIGHS IN THE UPPER 50S. EAST WINDS
AROUND 5 MPH.
SATURDAY NIGHT
MOSTLY CLOUDY. LOWS IN THE UPPER 30S. SOUTHEAST
WINDS AROUND 5 MPH.
SUNDAY THROUGH MONDAY NIGHT
MOSTLY CLOUDY. LOWS 37 TO 43.
HIGHS IN THE LOWER 60S. EAST WINDS 5 TO 10 MPH.
TUESDAY
PARTLY SUNNY WITH A CHANCE OF SHOWERS. HIGHS IN THE
LOWER 60S. EAST WINDS 5 TO 10 MPH.
CTZ002-220800-
HARTFORD CT-
INCLUDING THE CITIES OF HARTFORD AND WINDSOR LOCKS
409 PM EDT TUE APR 21 2026
TONIGHT WED WED NIGHT THU
CLOUD COVER PCLDY MCLDY PCLDY PCLDY
PRECIP TYPE SHOWERS SHOWERS NONE NONE
CHANCE PRECIP (%) 40 70 20 10
CHANCE OF THUNDER (%) 0 0 0 0
TEMP (24H TREND) 36 (+7) 49 (-2) 38 65
RH % (24H TREND) 92 (+14) 63 (+40) 100 29
20FT WND AM(MPH) S 6 LGT/VAR
20FT WND PM(MPH) S 5 S 7 G17 LGT/VAR NW 9 G19
PRECIP AMOUNT 0.05 0.13 0.00 0.00
PRECIP DURATION 1 7
PRECIP BEGIN 12 AM CONTINUING
PRECIP END CONTINUING 6 PM
MIXING HGT (FT-AGL) 510 2570 360 8480
TRANSPORT WND (KTS) S 11 S 15 W 3 NW 26
VENT RATE (KT-FT) 5610 38550 1080 220480
MAX ADI EARLY 66 GOOD 38 FAIR 14 GEN POOR 103 VERY GOOD
MAX ADI LATE 9 POOR 38 FAIR 2 VERY POOR 105 VERY GOOD
MAX LVORI EARLY 4 3 10 1
MAX LVORI LATE 4 3 10 1
MIN VSBY EARLY 9 2 FOG 8 8
MIN VSBY LATE 9 4 FOG 8 9
SUNSHINE HOURS N/A N/A N/A N/A
CWR 30 40 0 0
REMARKS...NONE.
FORECAST FOR DAYS 3 THROUGH 7
THURSDAY NIGHT
PARTLY CLOUDY. LOWS IN THE UPPER 30S. NORTHWEST
WINDS 5 TO 10 MPH.
FRIDAY
MOSTLY SUNNY. HIGHS IN THE UPPER 50S. NORTH WINDS
AROUND 5 MPH.
FRIDAY NIGHT
MOSTLY CLEAR. LOWS IN THE MID 30S. NORTHEAST
WINDS AROUND 5 MPH.
SATURDAY
MOSTLY SUNNY. HIGHS IN THE UPPER 50S. NORTHEAST WINDS
AROUND 5 MPH, BECOMING SOUTHEAST AROUND 5 MPH IN THE AFTERNOON.
SATURDAY NIGHT
MOSTLY CLOUDY. LOWS IN THE UPPER 30S. SOUTHEAST
WINDS AROUND 5 MPH.
SUNDAY THROUGH MONDAY NIGHT
MOSTLY CLOUDY. LOWS 38 TO 44.
HIGHS IN THE LOWER 60S. EAST WINDS AROUND 5 MPH.
TUESDAY
PARTLY SUNNY WITH A CHANCE OF SHOWERS. HIGHS IN THE
LOWER 60S. EAST WINDS 5 TO 10 MPH.
CTZ003-220800-
TOLLAND CT-
INCLUDING THE CITIES OF UNION AND VERNON
409 PM EDT TUE APR 21 2026
TONIGHT WED WED NIGHT THU
CLOUD COVER PCLDY MCLDY MCLDY PCLDY
PRECIP TYPE SHOWERS SHOWERS SHOWERS NONE
CHANCE PRECIP (%) 40 60 30 10
CHANCE OF THUNDER (%) 0 0 0 0
TEMP (24H TREND) 34 (+6) 47 (-2) 37 63
RH % (24H TREND) 89 (+14) 71 (+44) 100 33
20FT WND AM(MPH) S 7 G17 LGT/VAR
20FT WND PM(MPH) S 5 S 8 G18 LGT/VAR NW 9 G21
PRECIP AMOUNT 0.03 0.12 0.00 0.00
PRECIP DURATION 1 7
PRECIP BEGIN 3 AM CONTINUING
PRECIP END CONTINUING 6 PM
MIXING HGT (FT-AGL) 390 2360 230 8260
TRANSPORT WND (KTS) S 10 S 15 W 4 NW 25
VENT RATE (KT-FT) 3900 35400 920 206500
MAX ADI EARLY 59 GEN GOOD 34 FAIR 15 GEN POOR 92 GOOD
MAX ADI LATE 10 POOR 35 FAIR 3 VERY POOR 105 VERY GOOD
MAX LVORI EARLY 5 3 10 1
MAX LVORI LATE 5 3 10 1
MIN VSBY EARLY 9 2 FOG 7 7
MIN VSBY LATE 9 5 FOG 7 9
SUNSHINE HOURS N/A N/A N/A N/A
CWR 20 30 10 0
REMARKS...NONE.
FORECAST FOR DAYS 3 THROUGH 7
THURSDAY NIGHT
PARTLY CLOUDY. LOWS IN THE UPPER 30S. NORTHWEST
WINDS 5 TO 10 MPH.
FRIDAY
MOSTLY SUNNY. HIGHS IN THE UPPER 50S. NORTH WINDS
AROUND 5 MPH.
FRIDAY NIGHT
MOSTLY CLEAR. LOWS IN THE MID 30S. NORTHEAST
WINDS AROUND 5 MPH.
SATURDAY
MOSTLY SUNNY. HIGHS IN THE UPPER 50S. EAST WINDS
AROUND 5 MPH.
SATURDAY NIGHT THROUGH MONDAY NIGHT
MOSTLY CLOUDY. LOWS 37 TO
43. HIGHS IN THE LOWER 60S. EAST WINDS AROUND 5 MPH.
TUESDAY
PARTLY SUNNY WITH A CHANCE OF SHOWERS. HIGHS IN THE
LOWER 60S. EAST WINDS 5 TO 10 MPH.
CTZ004-220800-
WINDHAM CT-
INCLUDING THE CITIES OF PUTNAM AND WILLIMANTIC
409 PM EDT TUE APR 21 2026
TONIGHT WED WED NIGHT THU
CLOUD COVER PCLDY MCLDY MCLDY PCLDY
PRECIP TYPE SHOWERS SHOWERS SHOWERS NONE
CHANCE PRECIP (%) 30 60 30 10
CHANCE OF THUNDER (%) 0 0 0 0
TEMP (24H TREND) 34 (+5) 47 (-2) 37 62
RH % (24H TREND) 89 (+14) 65 (+40) 100 30
20FT WND AM(MPH) S 6 LGT/VAR
20FT WND PM(MPH) S 5 S 7 G17 LGT/VAR NW 9 G19
PRECIP AMOUNT 0.02 0.11 0.00 0.00
PRECIP DURATION 0 6
PRECIP BEGIN 4 AM CONTINUING
PRECIP END CONTINUING 6 PM
MIXING HGT (FT-AGL) 440 2360 420 8520
TRANSPORT WND (KTS) S 10 S 15 SW 4 NW 26
VENT RATE (KT-FT) 4400 35400 1680 221520
MAX ADI EARLY 58 GEN GOOD 32 FAIR 17 GEN POOR 98 GOOD
MAX ADI LATE 8 POOR 35 FAIR 3 VERY POOR 105 VERY GOOD
MAX LVORI EARLY 5 3 10 1
MAX LVORI LATE 5 3 10 1
MIN VSBY EARLY 9 2 FOG 4 FOG 7
MIN VSBY LATE 9 4 FOG 4 FOG 9
SUNSHINE HOURS N/A N/A N/A N/A
CWR 10 20 10 0
REMARKS...NONE.
FORECAST FOR DAYS 3 THROUGH 7
THURSDAY NIGHT
PARTLY CLOUDY. LOWS IN THE UPPER 30S. NORTHWEST
WINDS 5 TO 10 MPH.
FRIDAY
MOSTLY SUNNY. HIGHS IN THE UPPER 50S. NORTH WINDS
AROUND 5 MPH.
FRIDAY NIGHT
MOSTLY CLEAR. LOWS IN THE MID 30S. NORTHEAST
WINDS AROUND 5 MPH.
SATURDAY
MOSTLY SUNNY. HIGHS IN THE UPPER 50S. EAST WINDS
AROUND 5 MPH.
SATURDAY NIGHT
MOSTLY CLOUDY. LOWS IN THE UPPER 30S. SOUTHEAST
WINDS AROUND 5 MPH, BECOMING NORTHWEST AFTER MIDNIGHT.
SUNDAY THROUGH MONDAY
MOSTLY CLOUDY. LOWS IN THE UPPER 30S.
HIGHS IN THE LOWER 60S. EAST WINDS AROUND 5 MPH.
MONDAY NIGHT AND TUESDAY
MOSTLY CLOUDY. A CHANCE OF SHOWERS.
LOWS IN THE LOWER 40S. HIGHS IN THE LOWER 60S. EAST WINDS 5 TO
10 MPH.
RIZ001-220800-
NORTHWEST PROVIDENCE RI-
INCLUDING THE CITIES OF FOSTER AND SMITHFIELD
409 PM EDT TUE APR 21 2026
TONIGHT WED WED NIGHT THU
CLOUD COVER PCLDY MCLDY MCLDY PCLDY
PRECIP TYPE SHOWERS SHOWERS SHOWERS NONE
CHANCE PRECIP (%) 30 70 30 20
CHANCE OF THUNDER (%) 0 0 0 0
TEMP (24H TREND) 34 (+5) 46 (-3) 38 62
RH % (24H TREND) 85 (+16) 68 (+40) 100 32
20FT WND AM(MPH) S 6 LGT/VAR
20FT WND PM(MPH) S 5 S 7 LGT/VAR NW 8 G17
PRECIP AMOUNT 0.01 0.10 0.01 0.00
PRECIP DURATION 0 5 1
PRECIP BEGIN 4 AM CONTINUING CONTINUING
PRECIP END CONTINUING CONTINUING 12 AM
MIXING HGT (FT-AGL) 460 2320 520 8870
TRANSPORT WND (KTS) S 11 S 14 SE 4 NW 26
VENT RATE (KT-FT) 5060 32480 2080 230620
MAX ADI EARLY 59 GEN GOOD 36 FAIR 20 GEN POOR 102 VERY GOOD
MAX ADI LATE 9 POOR 35 FAIR 3 VERY POOR 105 VERY GOOD
MAX LVORI EARLY 4 3 10 1
MAX LVORI LATE 4 3 10 1
MIN VSBY EARLY 9 2 FOG 4 FOG 7
MIN VSBY LATE 9 3 FOG 3 FOG 9
SUNSHINE HOURS N/A N/A N/A N/A
CWR 10 10 10 0
REMARKS...NONE.
FORECAST FOR DAYS 3 THROUGH 7
THURSDAY NIGHT
PARTLY CLOUDY. LOWS IN THE UPPER 30S. NORTHWEST
WINDS 5 TO 10 MPH.
FRIDAY
MOSTLY SUNNY. HIGHS IN THE MID 50S. NORTH WINDS AROUND
5 MPH.
FRIDAY NIGHT
MOSTLY CLEAR. LOWS IN THE MID 30S. EAST WINDS
AROUND 5 MPH, BECOMING NORTH AFTER MIDNIGHT.
SATURDAY
MOSTLY SUNNY. HIGHS IN THE MID 50S. NORTHEAST WINDS
AROUND 5 MPH.
SATURDAY NIGHT
MOSTLY CLOUDY. LOWS IN THE UPPER 30S. SOUTHEAST
WINDS AROUND 5 MPH, BECOMING NORTHWEST AFTER MIDNIGHT.
SUNDAY THROUGH MONDAY
MOSTLY CLOUDY. LOWS IN THE UPPER 30S.
HIGHS AROUND 60. EAST WINDS AROUND 5 MPH.
MONDAY NIGHT AND TUESDAY
MOSTLY CLOUDY. A CHANCE OF SHOWERS.
LOWS IN THE LOWER 40S. HIGHS AROUND 60. EAST WINDS 5 TO 10 MPH.
RIZ002-220800-
SOUTHEAST PROVIDENCE RI-
INCLUDING THE CITY OF PROVIDENCE
409 PM EDT TUE APR 21 2026
TONIGHT WED WED NIGHT THU
CLOUD COVER PCLDY MCLDY MCLDY PCLDY
PRECIP TYPE SHOWERS SHOWERS SHOWERS NONE
CHANCE PRECIP (%) 20 70 40 10
CHANCE OF THUNDER (%) 0 0 0 0
TEMP (24H TREND) 35 (+4) 47 (-3) 39 62
RH % (24H TREND) 82 (+13) 73 (+43) 100 33
20FT WND AM(MPH) S 6 LGT/VAR
20FT WND PM(MPH) S 5 S 8 LGT/VAR NW 8
PRECIP AMOUNT 0.01 0.09 0.01 0.00
PRECIP DURATION 0 5 1
PRECIP BEGIN 4 AM CONTINUING CONTINUING
PRECIP END CONTINUING CONTINUING 1 AM
MIXING HGT (FT-AGL) 450 2590 720 8990
TRANSPORT WND (KTS) S 10 S 17 SW 4 NW 26
VENT RATE (KT-FT) 4500 44030 2880 233740
MAX ADI EARLY 57 GEN GOOD 42 GEN GOOD 21 FAIR 105 VERY GOOD
MAX ADI LATE 9 POOR 39 FAIR 3 VERY POOR 105 VERY GOOD
MAX LVORI EARLY 4 4 10 1
MAX LVORI LATE 4 4 10 1
MIN VSBY EARLY 9 6 FOG 4 FOG 7
MIN VSBY LATE 9 3 FOG 3 FOG 9
SUNSHINE HOURS N/A N/A N/A N/A
CWR 10 10 10 0
REMARKS...NONE.
FORECAST FOR DAYS 3 THROUGH 7
THURSDAY NIGHT
PARTLY CLOUDY. LOWS IN THE UPPER 30S. NORTHWEST
WINDS 5 TO 10 MPH.
FRIDAY AND FRIDAY NIGHT
PARTLY CLOUDY. LOWS IN THE UPPER 30S.
HIGHS IN THE MID 50S. NORTH WINDS AROUND 5 MPH.
SATURDAY
MOSTLY SUNNY. HIGHS IN THE MID 50S. NORTHEAST WINDS
AROUND 5 MPH.
SATURDAY NIGHT
MOSTLY CLOUDY. LOWS IN THE UPPER 30S. SOUTHEAST
WINDS AROUND 5 MPH, BECOMING NORTHWEST AFTER MIDNIGHT.
SUNDAY THROUGH MONDAY NIGHT
MOSTLY CLOUDY. LOWS 37 TO 43.
HIGHS IN THE UPPER 50S. NORTHEAST WINDS 5 TO 10 MPH.
TUESDAY
PARTLY SUNNY WITH A CHANCE OF SHOWERS. HIGHS AROUND
60. EAST WINDS 5 TO 10 MPH.
RIZ003-220800-
WESTERN KENT RI-
INCLUDING THE CITIES OF COVENTRY AND WEST GREENWICH
409 PM EDT TUE APR 21 2026
TONIGHT WED WED NIGHT THU
CLOUD COVER PCLDY MCLDY MCLDY PCLDY
PRECIP TYPE SHOWERS SHOWERS SHOWERS NONE
CHANCE PRECIP (%) 30 70 30 10
CHANCE OF THUNDER (%) 0 0 0 0
TEMP (24H TREND) 34 (+3) 46 (-2) 39 62
RH % (24H TREND) 89 (+20) 73 (+42) 100 35
20FT WND AM(MPH) S 6 LGT/VAR
20FT WND PM(MPH) LGT/VAR S 8 LGT/VAR NW 8
PRECIP AMOUNT 0.02 0.11 0.00 0.00
PRECIP DURATION 0 6
PRECIP BEGIN 4 AM CONTINUING
PRECIP END CONTINUING 6 PM
MIXING HGT (FT-AGL) 380 2290 430 8730
TRANSPORT WND (KTS) S 10 S 15 SW 4 NW 27
VENT RATE (KT-FT) 3800 34350 1720 235710
MAX ADI EARLY 51 GEN GOOD 33 FAIR 18 GEN POOR 104 VERY GOOD
MAX ADI LATE 8 POOR 34 FAIR 2 VERY POOR 105 VERY GOOD
MAX LVORI EARLY 4 4 10 1
MAX LVORI LATE 4 4 10 1
MIN VSBY EARLY 9 3 FOG 4 FOG 7
MIN VSBY LATE 9 3 FOG 3 FOG 9
SUNSHINE HOURS N/A N/A N/A N/A
CWR 10 20 10 0
REMARKS...NONE.
FORECAST FOR DAYS 3 THROUGH 7
THURSDAY NIGHT
PARTLY CLOUDY. LOWS IN THE UPPER 30S. NORTHWEST
WINDS 5 TO 10 MPH.
FRIDAY
MOSTLY SUNNY. HIGHS IN THE MID 50S. NORTH WINDS AROUND
5 MPH.
FRIDAY NIGHT
MOSTLY CLEAR. LOWS IN THE MID 30S. EAST WINDS
AROUND 5 MPH, BECOMING NORTHEAST AFTER MIDNIGHT.
SATURDAY
MOSTLY SUNNY. HIGHS IN THE MID 50S. EAST WINDS AROUND
5 MPH.
SATURDAY NIGHT
MOSTLY CLOUDY. LOWS IN THE UPPER 30S. SOUTHEAST
WINDS AROUND 5 MPH IN THE EVENING, BECOMING LIGHT AND VARIABLE.
SUNDAY AND SUNDAY NIGHT
MOSTLY CLOUDY. LOWS IN THE UPPER 30S.
HIGHS IN THE UPPER 50S. NORTHEAST WINDS AROUND 5 MPH.
MONDAY
MOSTLY SUNNY. HIGHS IN THE UPPER 50S. NORTHEAST WINDS
AROUND 5 MPH.
MONDAY NIGHT AND TUESDAY
MOSTLY CLOUDY. A CHANCE OF SHOWERS.
LOWS IN THE LOWER 40S. HIGHS AROUND 60. EAST WINDS 5 TO 10 MPH.
RIZ004-220800-
EASTERN KENT RI-
INCLUDING THE CITIES OF EAST GREENWICH, WARWICK, AND WEST WARWICK
409 PM EDT TUE APR 21 2026
TONIGHT WED WED NIGHT THU
CLOUD COVER PCLDY MCLDY MCLDY PCLDY
PRECIP TYPE SHOWERS SHOWERS SHOWERS NONE
CHANCE PRECIP (%) 20 70 40 10
CHANCE OF THUNDER (%) 0 0 0 0
TEMP (24H TREND) 36 (+3) 47 (-2) 39 63
RH % (24H TREND) 82 (+13) 65 (+36) 100 34
20FT WND AM(MPH) S 7 LGT/VAR
20FT WND PM(MPH) S 5 S 9 LGT/VAR NW 8
PRECIP AMOUNT 0.01 0.10 0.01 0.00
PRECIP DURATION 0 6 1
PRECIP BEGIN 4 AM CONTINUING CONTINUING
PRECIP END CONTINUING CONTINUING 1 AM
MIXING HGT (FT-AGL) 460 2510 640 8830
TRANSPORT WND (KTS) S 10 S 16 SW 4 NW 26
VENT RATE (KT-FT) 4600 40160 2560 229580
MAX ADI EARLY 54 GEN GOOD 40 FAIR 21 FAIR 99 GOOD
MAX ADI LATE 9 POOR 32 FAIR 3 VERY POOR 105 VERY GOOD
MAX LVORI EARLY 4 4 10 1
MAX LVORI LATE 4 4 10 1
MIN VSBY EARLY 9 6 FOG 4 FOG 7
MIN VSBY LATE 9 3 FOG 3 FOG 9
SUNSHINE HOURS N/A N/A N/A N/A
CWR 10 20 10 0
REMARKS...NONE.
FORECAST FOR DAYS 3 THROUGH 7
THURSDAY NIGHT
PARTLY CLOUDY. LOWS IN THE UPPER 30S. NORTHWEST
WINDS 5 TO 10 MPH.
FRIDAY AND FRIDAY NIGHT
PARTLY CLOUDY. LOWS IN THE UPPER 30S.
HIGHS IN THE MID 50S. NORTHEAST WINDS AROUND 5 MPH.
SATURDAY
MOSTLY SUNNY. HIGHS IN THE MID 50S. NORTHEAST WINDS
AROUND 5 MPH.
SATURDAY NIGHT
MOSTLY CLOUDY. LOWS IN THE UPPER 30S. SOUTHEAST
WINDS AROUND 5 MPH, BECOMING NORTH AFTER MIDNIGHT.
SUNDAY THROUGH MONDAY NIGHT
MOSTLY CLOUDY. LOWS 38 TO 43.
HIGHS IN THE UPPER 50S. NORTHEAST WINDS 5 TO 10 MPH.
TUESDAY
PARTLY SUNNY WITH A CHANCE OF SHOWERS. HIGHS IN THE
UPPER 50S. EAST WINDS 5 TO 10 MPH.
RIZ005-220800-
BRISTOL RI-
INCLUDING THE CITY OF BRISTOL
409 PM EDT TUE APR 21 2026
TONIGHT WED WED NIGHT THU
CLOUD COVER PCLDY MCLDY MCLDY PCLDY
PRECIP TYPE NONE SHOWERS SHOWERS NONE
CHANCE PRECIP (%) 20 70 40 10
CHANCE OF THUNDER (%) 0 0 0 0
TEMP (24H TREND) 38 (+5) 47 (-2) 41 62
RH % (24H TREND) 76 (+3) 70 (+37) 100 36
20FT WND AM(MPH) S 8 LGT/VAR
20FT WND PM(MPH) S 6 S 10 SE 5 NW 9
PRECIP AMOUNT 0.00 0.10 0.01 0.00
PRECIP DURATION 6 1
PRECIP BEGIN 6 AM CONTINUING
PRECIP END CONTINUING 1 AM
MIXING HGT (FT-AGL) 520 2590 620 8650
TRANSPORT WND (KTS) S 10 S 17 W 4 NW 24
VENT RATE (KT-FT) 5200 44030 2480 207600
MAX ADI EARLY 53 GEN GOOD 41 GEN GOOD 21 FAIR 91 GOOD
MAX ADI LATE 12 POOR 1 VERY POOR 3 VERY POOR 105 VERY GOOD
MAX LVORI EARLY 4 5 9 1
MAX LVORI LATE 4 5 9 1
MIN VSBY EARLY 9 6 FOG 4 FOG 5 FOG
MIN VSBY LATE 9 3 FOG 3 FOG 9
SUNSHINE HOURS N/A N/A N/A N/A
CWR 0 20 10 0
REMARKS...NONE.
FORECAST FOR DAYS 3 THROUGH 7
THURSDAY NIGHT
PARTLY CLOUDY. LOWS AROUND 40. NORTH WINDS 5 TO
10 MPH.
FRIDAY AND FRIDAY NIGHT
PARTLY CLOUDY. LOWS IN THE UPPER 30S.
HIGHS IN THE MID 50S. NORTHEAST WINDS AROUND 5 MPH.
SATURDAY
MOSTLY SUNNY. HIGHS IN THE MID 50S. NORTHEAST WINDS
5 TO 10 MPH.
SATURDAY NIGHT
MOSTLY CLOUDY. LOWS IN THE UPPER 30S. SOUTHEAST
WINDS AROUND 5 MPH, BECOMING NORTH AFTER MIDNIGHT.
SUNDAY THROUGH MONDAY NIGHT
MOSTLY CLOUDY. LOWS 38 TO 44.
HIGHS IN THE UPPER 50S. NORTHEAST WINDS 5 TO 10 MPH.
TUESDAY
PARTLY SUNNY WITH A CHANCE OF SHOWERS. HIGHS IN THE
UPPER 50S. EAST WINDS 5 TO 10 MPH.
RIZ006-220800-
WASHINGTON RI-
INCLUDING THE CITIES OF NARRAGANSETT AND WESTERLY
409 PM EDT TUE APR 21 2026
TONIGHT WED WED NIGHT THU
CLOUD COVER PCLDY MCLDY MCLDY PCLDY
PRECIP TYPE SHOWERS SHOWERS SHOWERS NONE
CHANCE PRECIP (%) 30 70 40 10
CHANCE OF THUNDER (%) 0 0 0 0
TEMP (24H TREND) 35 (+2) 47 (0) 39 62
RH % (24H TREND) 85 (+9) 66 (+33) 100 35
20FT WND AM(MPH) S 6 LGT/VAR
20FT WND PM(MPH) LGT/VAR S 8 LGT/VAR NW 7
PRECIP AMOUNT 0.01 0.12 0.01 0.00
PRECIP DURATION 0 6 1
PRECIP BEGIN 4 AM CONTINUING CONTINUING
PRECIP END CONTINUING CONTINUING 1 AM
MIXING HGT (FT-AGL) 370 2240 480 8440
TRANSPORT WND (KTS) S 11 S 16 NW 3 NW 22
VENT RATE (KT-FT) 4070 35840 1440 185680
MAX ADI EARLY 48 GEN GOOD 36 FAIR 21 FAIR 88 GOOD
MAX ADI LATE 10 POOR 36 FAIR 4 VERY POOR 104 VERY GOOD
MAX LVORI EARLY 4 5 10 1
MAX LVORI LATE 4 5 10 1
MIN VSBY EARLY 9 3 FOG 3 FOG 4 FOG
MIN VSBY LATE 9 3 FOG 3 FOG 9
SUNSHINE HOURS N/A N/A N/A N/A
CWR 10 40 10 0
REMARKS...NONE.
FORECAST FOR DAYS 3 THROUGH 7
THURSDAY NIGHT
PARTLY CLOUDY. LOWS IN THE UPPER 30S. NORTH
WINDS 5 TO 10 MPH.
FRIDAY
MOSTLY SUNNY. HIGHS IN THE MID 50S. NORTHWEST WINDS
AROUND 5 MPH.
FRIDAY NIGHT
PARTLY CLOUDY. LOWS IN THE MID 30S. SOUTHEAST
WINDS AROUND 5 MPH, BECOMING NORTHEAST AFTER MIDNIGHT.
SATURDAY
MOSTLY SUNNY. HIGHS IN THE LOWER 50S. NORTHEAST WINDS
AROUND 5 MPH, BECOMING SOUTHEAST IN THE AFTERNOON.
SATURDAY NIGHT
MOSTLY CLOUDY. LOWS IN THE UPPER 30S. SOUTHEAST
WINDS AROUND 5 MPH, BECOMING NORTHEAST AFTER MIDNIGHT.
SUNDAY
PARTLY SUNNY. HIGHS IN THE MID 50S. EAST WINDS 5 TO
10 MPH.
SUNDAY NIGHT AND MONDAY
PARTLY CLOUDY. LOWS IN THE LOWER 40S.
HIGHS IN THE MID 50S. EAST WINDS 5 TO 10 MPH.
MONDAY NIGHT
MOSTLY CLOUDY. LOWS IN THE LOWER 40S. NORTHEAST
WINDS 5 TO 10 MPH.
TUESDAY
PARTLY SUNNY WITH A CHANCE OF SHOWERS. HIGHS IN THE
UPPER 50S. EAST WINDS 5 TO 10 MPH.
RIZ007-220800-
NEWPORT RI-
INCLUDING THE CITY OF NEWPORT
409 PM EDT TUE APR 21 2026
TONIGHT WED WED NIGHT THU
CLOUD COVER PCLDY MCLDY MCLDY PCLDY
PRECIP TYPE NONE SHOWERS SHOWERS NONE
CHANCE PRECIP (%) 20 70 50 10
CHANCE OF THUNDER (%) 0 0 0 0
TEMP (24H TREND) 37 (+3) 48 (+1) 40 61
RH % (24H TREND) 79 (0) 70 (+36) 100 38
20FT WND AM(MPH) S 8 LGT/VAR
20FT WND PM(MPH) S 6 S 10 G17 SE 6 NW 8
PRECIP AMOUNT 0.00 0.10 0.01 0.00
PRECIP DURATION 6 1
PRECIP BEGIN 6 AM CONTINUING
PRECIP END CONTINUING 1 AM
MIXING HGT (FT-AGL) 450 2700 570 7220
TRANSPORT WND (KTS) S 12 S 17 SW 4 NW 19
VENT RATE (KT-FT) 5400 45900 2280 137180
MAX ADI EARLY 45 GEN GOOD 28 FAIR 25 FAIR 66 GOOD
MAX ADI LATE 18 GEN POOR 2 VERY POOR 5 VERY POOR 92 GOOD
MAX LVORI EARLY 3 5 9 1
MAX LVORI LATE 3 5 9 1
MIN VSBY EARLY 9 6 FOG 3 FOG 4 FOG
MIN VSBY LATE 9 2 FOG 2 FOG 9
SUNSHINE HOURS N/A N/A N/A N/A
CWR 0 20 10 0
REMARKS...NONE.
FORECAST FOR DAYS 3 THROUGH 7
THURSDAY NIGHT
PARTLY CLOUDY. LOWS IN THE LOWER 40S. NORTH
WINDS 5 TO 10 MPH.
FRIDAY
MOSTLY SUNNY. HIGHS IN THE MID 50S. NORTHWEST WINDS
5 TO 10 MPH.
FRIDAY NIGHT
PARTLY CLOUDY. LOWS IN THE UPPER 30S. SOUTHEAST
WINDS AROUND 5 MPH, BECOMING NORTHEAST AFTER MIDNIGHT.
SATURDAY
MOSTLY SUNNY. HIGHS IN THE LOWER 50S. NORTHEAST WINDS
AROUND 5 MPH, BECOMING EAST IN THE AFTERNOON.
SATURDAY NIGHT
MOSTLY CLOUDY. LOWS IN THE UPPER 30S. SOUTHEAST
WINDS 5 TO 10 MPH, BECOMING NORTHEAST AFTER MIDNIGHT.
SUNDAY AND SUNDAY NIGHT
MOSTLY CLOUDY. LOWS IN THE LOWER 40S.
HIGHS IN THE MID 50S. NORTHEAST WINDS 5 TO 10 MPH.
MONDAY
MOSTLY SUNNY. HIGHS IN THE MID 50S. NORTHEAST WINDS
5 TO 10 MPH.
MONDAY NIGHT
MOSTLY CLOUDY. LOWS IN THE MID 40S. NORTHEAST
WINDS 5 TO 10 MPH.
TUESDAY
PARTLY SUNNY WITH A CHANCE OF SHOWERS. HIGHS IN THE
UPPER 50S. EAST WINDS 5 TO 10 MPH.
RIZ008-220800-
BLOCK ISLAND RI-
INCLUDING THE CITY OF NEW SHOREHAM
409 PM EDT TUE APR 21 2026
TONIGHT WED WED NIGHT THU
CLOUD COVER PCLDY MCLDY MCLDY PCLDY
PRECIP TYPE SHOWERS SHOWERS SHOWERS NONE
CHANCE PRECIP (%) 30 70 40 10
CHANCE OF THUNDER (%) 0 0 0 0
TEMP (24H TREND) 39 (+1) 47 (+2) 41 56
RH % (24H TREND) 73 (0) 70 (+27) 96 55
20FT WND AM(MPH) S 10 NW 5
20FT WND PM(MPH) S 6 S 11 G17 SE 7 W 9
PRECIP AMOUNT 0.00 0.12 0.01 0.00
PRECIP DURATION 6 1
PRECIP BEGIN 6 AM CONTINUING
PRECIP END CONTINUING 1 AM
MIXING HGT (FT-AGL) 2010 2280 620 1390
TRANSPORT WND (KTS) S 10 S 15 NE 5 NW 13
VENT RATE (KT-FT) 20100 34200 3100 18070
MAX ADI EARLY 30 FAIR 35 FAIR 33 FAIR 22 FAIR
MAX ADI LATE 25 FAIR 1 VERY POOR 8 POOR 23 FAIR
MAX LVORI EARLY 3 6 7 3
MAX LVORI LATE 3 6 7 3
MIN VSBY EARLY 9 5 FOG 3 FOG 4 FOG
MIN VSBY LATE 9 3 FOG 2 FOG 9
SUNSHINE HOURS N/A N/A N/A N/A
CWR 40 10 0
REMARKS...NONE.
FORECAST FOR DAYS 3 THROUGH 7
THURSDAY NIGHT
PARTLY CLOUDY. LOWS IN THE LOWER 40S. NORTH
WINDS 5 TO 10 MPH.
FRIDAY
MOSTLY SUNNY. HIGHS IN THE UPPER 40S. NORTHWEST WINDS
AROUND 5 MPH, BECOMING SOUTHWEST IN THE AFTERNOON.
FRIDAY NIGHT AND SATURDAY
PARTLY CLOUDY. LOWS IN THE LOWER
40S. HIGHS IN THE UPPER 40S. EAST WINDS 5 TO 10 MPH.
SATURDAY NIGHT AND SUNDAY
MOSTLY CLOUDY. LOWS IN THE LOWER
40S. HIGHS AROUND 50. EAST WINDS 5 TO 10 MPH.
SUNDAY NIGHT AND MONDAY
PARTLY CLOUDY. LOWS IN THE MID 40S.
HIGHS IN THE LOWER 50S. EAST WINDS 5 TO 10 MPH.
MONDAY NIGHT
MOSTLY CLOUDY. LOWS IN THE MID 40S. NORTHEAST
WINDS AROUND 10 MPH.
TUESDAY
PARTLY SUNNY WITH A CHANCE OF SHOWERS. HIGHS IN THE
LOWER 50S. EAST WINDS AROUND 10 MPH.
MAZ017-220800-
NORTHERN BRISTOL MA-
INCLUDING THE CITY OF TAUNTON
409 PM EDT TUE APR 21 2026
TONIGHT WED WED NIGHT THU
CLOUD COVER PCLDY MCLDY MCLDY PCLDY
PRECIP TYPE NONE SHOWERS SHOWERS TSTMS
CHANCE PRECIP (%) 20 60 40 20
CHANCE OF THUNDER (%) 0 0 0 0
TEMP (24H TREND) 34 (+4) 47 (-3) 38 62
RH % (24H TREND) 85 (+3) 60 (+31) 100 32
20FT WND AM(MPH) S 5 LGT/VAR
20FT WND PM(MPH) LGT/VAR S 7 LGT/VAR NW 7
PRECIP AMOUNT 0.00 0.07 0.00 0.00
PRECIP DURATION 5
PRECIP BEGIN 6 AM
PRECIP END 6 PM
MIXING HGT (FT-AGL) 450 2880 600 9090
TRANSPORT WND (KTS) S 10 S 17 SW 4 NW 25
VENT RATE (KT-FT) 4500 48960 2400 227250
MAX ADI EARLY 60 GEN GOOD 44 GEN GOOD 21 FAIR 98 GOOD
MAX ADI LATE 8 POOR 41 GEN GOOD 3 VERY POOR 105 VERY GOOD
MAX LVORI EARLY 4 3 10 1
MAX LVORI LATE 4 3 10 1
MIN VSBY EARLY 9 7 4 FOG 6 FOG
MIN VSBY LATE 9 3 FOG 3 FOG 9
SUNSHINE HOURS N/A N/A N/A N/A
CWR 0 10 10
REMARKS...NONE.
FORECAST FOR DAYS 3 THROUGH 7
THURSDAY NIGHT
PARTLY CLOUDY. LOWS IN THE MID 30S. NORTHWEST
WINDS AROUND 5 MPH.
FRIDAY AND FRIDAY NIGHT
PARTLY CLOUDY. LOWS IN THE MID 30S.
HIGHS IN THE MID 50S. NORTH WINDS AROUND 5 MPH.
SATURDAY
MOSTLY SUNNY. HIGHS IN THE MID 50S. NORTHEAST WINDS
AROUND 5 MPH.
SATURDAY NIGHT
MOSTLY CLOUDY. LOWS IN THE MID 30S. SOUTHEAST
WINDS AROUND 5 MPH IN THE EVENING, BECOMING LIGHT AND VARIABLE.
SUNDAY THROUGH MONDAY NIGHT
MOSTLY CLOUDY. LOWS 36 TO 42.
HIGHS IN THE UPPER 50S. NORTHEAST WINDS AROUND 5 MPH.
TUESDAY
PARTLY SUNNY WITH A CHANCE OF SHOWERS. HIGHS IN THE
UPPER 50S. EAST WINDS AROUND 5 MPH.
MAZ018-220800-
WESTERN PLYMOUTH MA-
INCLUDING THE CITY OF BROCKTON
409 PM EDT TUE APR 21 2026
TONIGHT WED WED NIGHT THU
CLOUD COVER PCLDY MCLDY MCLDY PCLDY
PRECIP TYPE NONE SHOWERS SHOWERS TSTMS
CHANCE PRECIP (%) 10 60 30 20
CHANCE OF THUNDER (%) 0 0 0 0
TEMP (24H TREND) 34 (+4) 47 (-1) 38 60
RH % (24H TREND) 82 (-10) 65 (+34) 100 35
20FT WND AM(MPH) S 5 LGT/VAR
20FT WND PM(MPH) LGT/VAR S 7 LGT/VAR NW 7
PRECIP AMOUNT 0.00 0.05 0.01 0.00
PRECIP DURATION 4 1
PRECIP BEGIN 6 AM CONTINUING
PRECIP END CONTINUING 6 AM
MIXING HGT (FT-AGL) 410 3090 580 8740
TRANSPORT WND (KTS) S 10 S 17 SW 5 NW 24
VENT RATE (KT-FT) 4100 52530 2900 209760
MAX ADI EARLY 51 GEN GOOD 47 GEN GOOD 27 FAIR 95 GOOD
MAX ADI LATE 8 POOR 46 GEN GOOD 3 VERY POOR 105 VERY GOOD
MAX LVORI EARLY 5 3 10 1
MAX LVORI LATE 5 3 10 1
MIN VSBY EARLY 9 9 4 FOG 5 FOG
MIN VSBY LATE 9 3 FOG 3 FOG 9
SUNSHINE HOURS N/A N/A N/A N/A
CWR 0 10 10
REMARKS...NONE.
FORECAST FOR DAYS 3 THROUGH 7
THURSDAY NIGHT
MOSTLY CLEAR. LOWS IN THE MID 30S. NORTHWEST
WINDS AROUND 5 MPH.
FRIDAY AND FRIDAY NIGHT
PARTLY CLOUDY. LOWS IN THE MID 30S.
HIGHS IN THE MID 50S. NORTH WINDS AROUND 5 MPH.
SATURDAY
MOSTLY SUNNY. HIGHS IN THE LOWER 50S. NORTHEAST WINDS
AROUND 5 MPH.
SATURDAY NIGHT
MOSTLY CLOUDY. LOWS IN THE MID 30S. SOUTHEAST
WINDS AROUND 5 MPH IN THE EVENING, BECOMING LIGHT AND VARIABLE.
SUNDAY
MOSTLY SUNNY. HIGHS IN THE UPPER 50S. NORTHEAST WINDS
AROUND 5 MPH.
SUNDAY NIGHT THROUGH MONDAY NIGHT
MOSTLY CLOUDY. LOWS AROUND
40. HIGHS IN THE UPPER 50S. NORTHEAST WINDS AROUND 5 MPH.
TUESDAY
PARTLY SUNNY WITH A CHANCE OF SHOWERS. HIGHS IN THE
UPPER 50S. EAST WINDS 5 TO 10 MPH.
MAZ019-220800-
EASTERN PLYMOUTH MA-
INCLUDING THE CITY OF PLYMOUTH
409 PM EDT TUE APR 21 2026
TONIGHT WED WED NIGHT THU
CLOUD COVER PCLDY MCLDY MCLDY PCLDY
PRECIP TYPE NONE SHOWERS SHOWERS TSTMS
CHANCE PRECIP (%) 10 60 30 20
CHANCE OF THUNDER (%) 0 0 0 0
TEMP (24H TREND) 35 (+1) 48 (+3) 38 59
RH % (24H TREND) 82 (-10) 63 (+29) 100 37
20FT WND AM(MPH) S 6 LGT/VAR
20FT WND PM(MPH) S 5 S 8 G17 LGT/VAR NW 6
PRECIP AMOUNT 0.00 0.04 0.01 0.00
PRECIP DURATION 2 1
PRECIP BEGIN 7 AM CONTINUING
PRECIP END CONTINUING 6 AM
MIXING HGT (FT-AGL) 390 3110 710 6580
TRANSPORT WND (KTS) S 12 S 18 SW 6 NW 19
VENT RATE (KT-FT) 4680 55980 4260 125020
MAX ADI EARLY 38 FAIR 47 GEN GOOD 30 FAIR 79 GOOD
MAX ADI LATE 9 POOR 49 GEN GOOD 4 VERY POOR 102 VERY GOOD
MAX LVORI EARLY 4 4 9 1
MAX LVORI LATE 4 4 9 1
MIN VSBY EARLY 9 9 4 FOG 4 FOG
MIN VSBY LATE 9 4 FOG 2 FOG 9
SUNSHINE HOURS N/A N/A N/A N/A
CWR 0 10 10
REMARKS...NONE.
FORECAST FOR DAYS 3 THROUGH 7
THURSDAY NIGHT
MOSTLY CLEAR. LOWS IN THE UPPER 30S. NORTHWEST
WINDS 10 TO 15 MPH.
FRIDAY
MOSTLY SUNNY. HIGHS IN THE LOWER 50S. NORTHWEST WINDS
5 TO 10 MPH, BECOMING NORTHEAST IN THE AFTERNOON.
FRIDAY NIGHT
MOSTLY CLEAR. LOWS IN THE UPPER 30S. EAST WINDS
AROUND 5 MPH, BECOMING NORTH AFTER MIDNIGHT.
SATURDAY
MOSTLY SUNNY. HIGHS AROUND 50. NORTHEAST WINDS 5 TO
10 MPH.
SATURDAY NIGHT
MOSTLY CLOUDY. LOWS IN THE UPPER 30S. SOUTHEAST
WINDS AROUND 5 MPH, BECOMING WEST AFTER MIDNIGHT.
SUNDAY AND SUNDAY NIGHT
PARTLY CLOUDY. LOWS AROUND 40. HIGHS
IN THE LOWER 50S. NORTHEAST WINDS AROUND 5 MPH.
MONDAY AND MONDAY NIGHT
MOSTLY CLOUDY. LOWS IN THE LOWER 40S.
HIGHS IN THE MID 50S. NORTHEAST WINDS 5 TO 10 MPH.
TUESDAY
PARTLY SUNNY WITH A CHANCE OF SHOWERS. HIGHS IN THE
MID 50S. EAST WINDS 5 TO 10 MPH.
MAZ020-220800-
SOUTHERN BRISTOL MA-
INCLUDING THE CITIES OF FALL RIVER AND NEW BEDFORD
409 PM EDT TUE APR 21 2026
TONIGHT WED WED NIGHT THU
CLOUD COVER PCLDY MCLDY MCLDY PCLDY
PRECIP TYPE NONE SHOWERS SHOWERS TSTMS
CHANCE PRECIP (%) 20 60 40 20
CHANCE OF THUNDER (%) 0 0 0 0
TEMP (24H TREND) 35 (+3) 48 (0) 38 62
RH % (24H TREND) 82 (-7) 63 (+31) 100 36
20FT WND AM(MPH) S 7 LGT/VAR
20FT WND PM(MPH) LGT/VAR S 9 G18 LGT/VAR NW 7
PRECIP AMOUNT 0.00 0.07 0.01 0.00
PRECIP DURATION 4 1
PRECIP BEGIN 6 AM CONTINUING
PRECIP END CONTINUING 2 AM
MIXING HGT (FT-AGL) 290 2910 550 8850
TRANSPORT WND (KTS) S 11 S 17 SW 4 NW 21
VENT RATE (KT-FT) 3190 49470 2200 185850
MAX ADI EARLY 59 GEN GOOD 45 GEN GOOD 22 FAIR 85 GOOD
MAX ADI LATE 9 POOR 33 FAIR 3 VERY POOR 104 VERY GOOD
MAX LVORI EARLY 4 4 10 1
MAX LVORI LATE 4 4 10 1
MIN VSBY EARLY 9 8 4 FOG 4 FOG
MIN VSBY LATE 9 3 FOG 2 FOG 9
SUNSHINE HOURS N/A N/A N/A N/A
CWR 0 20 10
REMARKS...NONE.
FORECAST FOR DAYS 3 THROUGH 7
THURSDAY NIGHT
PARTLY CLOUDY. LOWS IN THE UPPER 30S. NORTH
WINDS 5 TO 10 MPH.
FRIDAY AND FRIDAY NIGHT
PARTLY CLOUDY. LOWS IN THE UPPER 30S.
HIGHS IN THE MID 50S. NORTH WINDS 5 TO 10 MPH.
SATURDAY
MOSTLY SUNNY. HIGHS IN THE MID 50S. NORTHEAST WINDS
5 TO 10 MPH.
SATURDAY NIGHT
MOSTLY CLOUDY. LOWS IN THE UPPER 30S. SOUTHEAST
WINDS 5 TO 10 MPH, BECOMING NORTHEAST AFTER MIDNIGHT.
SUNDAY
MOSTLY SUNNY. HIGHS IN THE MID 50S. EAST WINDS 5 TO
10 MPH.
SUNDAY NIGHT THROUGH MONDAY NIGHT
MOSTLY CLOUDY. LOWS IN THE
LOWER 40S. HIGHS IN THE UPPER 50S. NORTHEAST WINDS 5 TO 10 MPH.
TUESDAY
PARTLY SUNNY WITH A CHANCE OF SHOWERS. HIGHS IN THE
UPPER 50S. EAST WINDS 5 TO 10 MPH.
MAZ021-220800-
SOUTHERN PLYMOUTH MA-
INCLUDING THE CITY OF MATTAPOISETT
409 PM EDT TUE APR 21 2026
TONIGHT WED WED NIGHT THU
CLOUD COVER PCLDY MCLDY MCLDY PCLDY
PRECIP TYPE NONE SHOWERS SHOWERS TSTMS
CHANCE PRECIP (%) 10 60 30 20
CHANCE OF THUNDER (%) 0 0 0 0
TEMP (24H TREND) 34 (+2) 48 (+1) 39 61
RH % (24H TREND) 79 (-13) 65 (+28) 100 39
20FT WND AM(MPH) S 6 LGT/VAR
20FT WND PM(MPH) LGT/VAR S 9 G18 LGT/VAR NW 6
PRECIP AMOUNT 0.00 0.05 0.00 0.00
PRECIP DURATION 4
PRECIP BEGIN 6 AM
PRECIP END 6 PM
MIXING HGT (FT-AGL) 390 3060 670 8190
TRANSPORT WND (KTS) S 10 S 18 S 4 NW 22
VENT RATE (KT-FT) 3900 55080 2680 180180
MAX ADI EARLY 50 GEN GOOD 47 GEN GOOD 27 FAIR 91 GOOD
MAX ADI LATE 9 POOR 48 GEN GOOD 3 VERY POOR 105 VERY GOOD
MAX LVORI EARLY 4 4 10 1
MAX LVORI LATE 4 4 10 1
MIN VSBY EARLY 9 9 5 FOG 4 FOG
MIN VSBY LATE 9 4 FOG 2 FOG 9
SUNSHINE HOURS N/A N/A N/A N/A
CWR 0 10 10
REMARKS...NONE.
FORECAST FOR DAYS 3 THROUGH 7
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 LOWER 50S. NORTH WINDS AROUND 5 MPH.
SATURDAY
MOSTLY SUNNY. HIGHS IN THE LOWER 50S. NORTHEAST WINDS
AROUND 5 MPH.
SATURDAY NIGHT
MOSTLY CLOUDY. LOWS IN THE UPPER 30S. SOUTHEAST
WINDS AROUND 5 MPH, BECOMING NORTHEAST AFTER MIDNIGHT.
SUNDAY
MOSTLY SUNNY. HIGHS IN THE MID 50S. NORTHEAST WINDS
AROUND 5 MPH.
SUNDAY NIGHT THROUGH MONDAY NIGHT
MOSTLY CLOUDY. LOWS IN THE
LOWER 40S. HIGHS IN THE MID 50S. NORTHEAST WINDS 5 TO 10 MPH.
TUESDAY
PARTLY SUNNY WITH A CHANCE OF SHOWERS. HIGHS IN THE
UPPER 50S. EAST WINDS 5 TO 10 MPH.
MAZ022-220800-
BARNSTABLE MA-
INCLUDING THE CITIES OF CHATHAM, FALMOUTH, AND PROVINCETOWN
409 PM EDT TUE APR 21 2026
TONIGHT WED WED NIGHT THU
CLOUD COVER MCLEAR MCLDY MCLDY PCLDY
PRECIP TYPE NONE SHOWERS SHOWERS TSTMS
CHANCE PRECIP (%) 10 60 40 20
CHANCE OF THUNDER (%) 0 0 0 0
TEMP (24H TREND) 36 (+1) 48 (+4) 40 57
RH % (24H TREND) 82 (-18) 56 (+16) 100 47
20FT WND AM(MPH) S 6 LGT/VAR
20FT WND PM(MPH) LGT/VAR S 9 G17 S 5 NW 5
PRECIP AMOUNT 0.00 0.03 0.00 0.00
PRECIP DURATION 3
PRECIP BEGIN 7 AM
PRECIP END 6 PM
MIXING HGT (FT-AGL) 440 3460 930 4110
TRANSPORT WND (KTS) S 11 S 18 S 5 NW 15
VENT RATE (KT-FT) 4840 62280 4650 61650
MAX ADI EARLY 30 FAIR 55 GEN GOOD 35 FAIR 45 GEN GOOD
MAX ADI LATE 8 POOR 38 FAIR 8 POOR 57 GEN GOOD
MAX LVORI EARLY 4 4 9 3
MAX LVORI LATE 4 4 9 3
MIN VSBY EARLY 9 9 4 FOG 3 FOG
MIN VSBY LATE 9 5 FOG 2 FOG 9
SUNSHINE HOURS N/A N/A N/A N/A
CWR 0 10 10
REMARKS...NONE.
FORECAST FOR DAYS 3 THROUGH 7
THURSDAY NIGHT
MOSTLY CLEAR. LOWS IN THE UPPER 30S. NORTH
WINDS 5 TO 10 MPH.
FRIDAY AND FRIDAY NIGHT
MOSTLY CLEAR. LOWS IN THE UPPER 30S.
HIGHS AROUND 50. NORTH WINDS 5 TO 10 MPH.
SATURDAY
MOSTLY SUNNY. HIGHS AROUND 50. NORTHEAST WINDS 5 TO
10 MPH.
SATURDAY NIGHT
MOSTLY CLOUDY. LOWS AROUND 40. EAST WINDS
AROUND 5 MPH.
SUNDAY
MOSTLY SUNNY. HIGHS IN THE LOWER 50S. NORTHEAST WINDS
5 TO 10 MPH.
SUNDAY NIGHT
MOSTLY CLOUDY. LOWS IN THE LOWER 40S. EAST WINDS
5 TO 10 MPH.
MONDAY
MOSTLY SUNNY. HIGHS IN THE LOWER 50S. NORTHEAST WINDS
5 TO 10 MPH.
MONDAY NIGHT
MOSTLY CLOUDY. LOWS IN THE LOWER 40S. EAST WINDS
5 TO 10 MPH.
TUESDAY
PARTLY SUNNY WITH A CHANCE OF SHOWERS. HIGHS IN THE
MID 50S. EAST WINDS 5 TO 10 MPH.
MAZ023-220800-
DUKES MA-
INCLUDING THE CITY OF VINEYARD HAVEN
409 PM EDT TUE APR 21 2026
TONIGHT WED WED NIGHT THU
CLOUD COVER PCLDY MCLDY MCLDY PCLDY
PRECIP TYPE NONE SHOWERS SHOWERS TSTMS
CHANCE PRECIP (%) 10 60 40 20
CHANCE OF THUNDER (%) 0 0 0 0
TEMP (24H TREND) 37 (+1) 49 (+3) 40 58
RH % (24H TREND) 75 (-14) 60 (+23) 100 53
20FT WND AM(MPH) S 9 W 5
20FT WND PM(MPH) S 5 S 11 G18 SE 8 W 7
PRECIP AMOUNT 0.00 0.05 0.01 0.00
PRECIP DURATION 4 2
PRECIP BEGIN 6 AM CONTINUING
PRECIP END CONTINUING 4 AM
MIXING HGT (FT-AGL) 1570 3250 910 2860
TRANSPORT WND (KTS) S 12 S 18 SE 5 W 18
VENT RATE (KT-FT) 18840 58500 4550 51480
MAX ADI EARLY 35 FAIR 42 GEN GOOD 32 FAIR 34 FAIR
MAX ADI LATE 21 FAIR 1 VERY POOR 9 POOR 58 GEN GOOD
MAX LVORI EARLY 3 4 6 3
MAX LVORI LATE 3 4 6 3
MIN VSBY EARLY 9 9 4 FOG 4 FOG
MIN VSBY LATE 9 5 FOG 3 FOG 9
SUNSHINE HOURS N/A N/A N/A N/A
CWR 0 10 10
REMARKS...NONE.
FORECAST FOR DAYS 3 THROUGH 7
THURSDAY NIGHT
PARTLY CLOUDY. LOWS AROUND 40. NORTH WINDS 5 TO
10 MPH.
FRIDAY
MOSTLY SUNNY. HIGHS IN THE LOWER 50S. NORTH WINDS 5 TO
10 MPH.
FRIDAY NIGHT
MOSTLY CLEAR. LOWS AROUND 40. EAST WINDS 5 TO
10 MPH, BECOMING NORTH AFTER MIDNIGHT.
SATURDAY
MOSTLY SUNNY. HIGHS IN THE LOWER 50S. NORTHEAST WINDS
5 TO 10 MPH.
SATURDAY NIGHT
MOSTLY CLOUDY. LOWS AROUND 40. EAST WINDS 5 TO
10 MPH.
SUNDAY
MOSTLY SUNNY. HIGHS IN THE LOWER 50S. EAST WINDS 5 TO
10 MPH.
SUNDAY NIGHT
MOSTLY CLOUDY. LOWS IN THE LOWER 40S. NORTHEAST
WINDS 10 TO 15 MPH.
MONDAY
MOSTLY SUNNY. HIGHS IN THE MID 50S. NORTHEAST WINDS
10 TO 15 MPH.
MONDAY NIGHT
MOSTLY CLOUDY. LOWS IN THE MID 40S. EAST WINDS
10 TO 15 MPH.
TUESDAY
PARTLY SUNNY WITH A CHANCE OF SHOWERS. HIGHS IN THE
MID 50S. EAST WINDS 10 TO 15 MPH.
MAZ024-220800-
NANTUCKET MA-
INCLUDING THE CITY OF NANTUCKET
409 PM EDT TUE APR 21 2026
TONIGHT WED WED NIGHT THU
CLOUD COVER MCLEAR PCLDY MCLDY PCLDY
PRECIP TYPE NONE SHOWERS SHOWERS TSTMS
CHANCE PRECIP (%) 10 60 40 20
CHANCE OF THUNDER (%) 0 0 0 0
TEMP (24H TREND) 37 (-1) 47 (+3) 40 53
RH % (24H TREND) 73 (-16) 60 (+13) 100 66
20FT WND AM(MPH) S 7 SW 5
20FT WND PM(MPH) LGT/VAR S 11 SE 9 W 7
PRECIP AMOUNT 0.00 0.05 0.00 0.00
PRECIP DURATION 3
PRECIP BEGIN 9 AM
PRECIP END 6 PM
MIXING HGT (FT-AGL) 1660 3240 990 1560
TRANSPORT WND (KTS) S 10 S 18 SE 5 W 13
VENT RATE (KT-FT) 16600 58320 4950 20280
MAX ADI EARLY 29 FAIR 64 GOOD 23 FAIR 28 FAIR
MAX ADI LATE 6 VERY POOR 1 VERY POOR 18 GEN POOR 34 FAIR
MAX LVORI EARLY 3 4 7 4
MAX LVORI LATE 3 4 7 4
MIN VSBY EARLY 9 9 3 FOG 4 FOG
MIN VSBY LATE 9 6 FOG 3 FOG 9
SUNSHINE HOURS N/A N/A N/A N/A
CWR 0 10 10
REMARKS...NONE.
FORECAST FOR DAYS 3 THROUGH 7
THURSDAY NIGHT
PARTLY CLOUDY. LOWS IN THE LOWER 40S. NORTH
WINDS 5 TO 10 MPH.
FRIDAY
MOSTLY SUNNY. HIGHS IN THE UPPER 40S. NORTH WINDS 5 TO
10 MPH.
FRIDAY NIGHT
MOSTLY CLEAR. LOWS IN THE LOWER 40S. NORTH WINDS
AROUND 5 MPH.
SATURDAY
MOSTLY SUNNY. HIGHS IN THE UPPER 40S. NORTHEAST WINDS
5 TO 10 MPH.
SATURDAY NIGHT
MOSTLY CLOUDY. LOWS IN THE LOWER 40S. EAST
WINDS AROUND 5 MPH.
SUNDAY
MOSTLY SUNNY. HIGHS AROUND 50. NORTHEAST WINDS 5 TO
10 MPH.
SUNDAY NIGHT
MOSTLY CLOUDY. LOWS IN THE MID 40S. NORTHEAST
WINDS 10 TO 15 MPH.
MONDAY
MOSTLY SUNNY. HIGHS IN THE LOWER 50S. NORTHEAST WINDS
10 TO 15 MPH.
MONDAY NIGHT
MOSTLY CLOUDY. LOWS IN THE MID 40S. EAST WINDS
10 TO 15 MPH.
TUESDAY
PARTLY SUNNY WITH A CHANCE OF SHOWERS. HIGHS IN THE
LOWER 50S. EAST WINDS 10 TO 15 MPH.
OUTLOOK 8 TO 14 DAYS
TEMPERATURES BELOW NORMAL. PRECIPITATION ABOVE NORMAL.
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