565
FNUS51 KBOX 212010
FWFBOX
FIRE WEATHER PLANNING FORECAST FOR SOUTHERN NEW ENGLAND
NATIONAL WEATHER SERVICE BOSTON/NORTON MA
409 PM EDT SUN JUN 21 2026
DISCUSSION
WEST NORTHWEST WINDS TODAY WITH GUSTS AROUND 20 MPH IN AREAS.
THERE IS A RISK FOR ISOLATED SHOWERS AND THUNDERSTORMS THIS
AFTERNOON. THE GREATEST RISK IS ALONG AND NORTH OF ROUTE 2 IN MA,
AS WELL AS ACROSS PORTIONS OF EASTERN MA. A WIDESPREAD,
SUBSTANTIAL RAINFALL IS ANTICIPATED TO ARRIVE DURING THE DAY
MONDAY, CONTINUING THROUGH EARLY TUESDAY.
MINIMUM RELATIVE HUMIDITY LEVELS ACROSS MOST OF OUR REGION
EXPECTED BETWEEN 35-55 PERCENT TODAY, AND BETWEEN 45-65 PERCENT
MONDAY.
OUTLOOK...TUESDAY THROUGH THURSDAY
RAIN EXITS THE REGION TUESDAY. DRY WEATHER EXPECTED FOR WEDNESDAY
AND MOST OF THURSDAY. NEXT CHANCE FOR PRECIPITATION ARRIVES LATER
THURSDAY WITH WETTING RAIN CHANCES INCREASING FOR A POTENTIAL
ROUND OF SHOWERS OR STORMS FRIDAY.
MAZ015-220800-
SUFFOLK-
INCLUDING THE CITIES OF ALLSTON, BOSTON, BRIGHTON, CHARLESTOWN,
DORCHESTER, EAST BOSTON, AND FOREST HILLS
409 PM EDT SUN JUN 21 2026
TONIGHT MON MON NIGHT TUE
CLOUD COVER MCLEAR MCLDY MCLDY MCLDY
PRECIP TYPE NONE TSTMS TSTMS TSTMS
CHANCE PRECIP (%) 20 60 80 80
CHANCE OF THUNDER (%) 0 10 30 20
TEMP (24H TREND) 59 (-2) 79 (-1) 61 78
RH % (24H TREND) 87 (0) 47 (+9) 100 67
20FT WND AM(MPH) LGT/VAR SW 5
20FT WND PM(MPH) LGT/VAR SE 5 SE 5 NW 5
PRECIP AMOUNT 0.00 0.16 0.32 0.49
PRECIP DURATION 2 9 8
PRECIP BEGIN 2 PM CONTINUING CONTINUING
PRECIP END CONTINUING CONTINUING CONTINUING
MIXING HGT (FT-AGL) 380 3870 410 3510
TRANSPORT WND (KTS) W 5 S 7 S 11 NW 10
VENT RATE (KT-FT) 1900 27090 4510 35100
MAX ADI EARLY 13 GEN POOR 21 FAIR 14 GEN POOR 25 FAIR
MAX ADI LATE 6 VERY POOR 17 GEN POOR 16 GEN POOR 31 FAIR
MAX LVORI EARLY 5 3 7 4
MAX LVORI LATE 5 3 7 4
MIN VSBY EARLY 10 10 3 FOG 2 FOG
MIN VSBY LATE 10 6 FOG 2 FOG 5 FOG
SUNSHINE HOURS N/A N/A N/A N/A
CWR 0 60 60 70
REMARKS...NONE.
FORECAST FOR DAYS 3 THROUGH 7
TUESDAY NIGHT
MOSTLY CLEAR WITH A CHANCE OF SHOWERS. LOWS IN
THE LOWER 60S. NORTHWEST WINDS AROUND 5 MPH.
WEDNESDAY AND WEDNESDAY NIGHT
MOSTLY CLEAR. LOWS IN THE LOWER
60S. HIGHS IN THE MID 80S. WEST WINDS AROUND 5 MPH.
THURSDAY
SUNNY. HIGHS IN THE MID 80S. WEST WINDS AROUND 5 MPH,
BECOMING SOUTHEAST IN THE AFTERNOON.
THURSDAY NIGHT
PARTLY CLOUDY WITH A CHANCE OF SHOWERS. LOWS IN
THE MID 60S. SOUTH WINDS 5 TO 10 MPH.
FRIDAY AND FRIDAY NIGHT
MOSTLY CLOUDY. A CHANCE OF SHOWERS.
LOWS IN THE UPPER 60S. HIGHS IN THE LOWER 80S. SOUTHWEST WINDS
5 TO 10 MPH.
SATURDAY
PARTLY SUNNY WITH A CHANCE OF SHOWERS. HIGHS IN THE
UPPER 80S. WEST WINDS AROUND 5 MPH.
SATURDAY NIGHT
PARTLY CLOUDY WITH A CHANCE OF SHOWERS. LOWS IN
THE MID 60S. WEST WINDS AROUND 5 MPH.
SUNDAY
SUNNY. HIGHS IN THE MID 80S. NORTHWEST WINDS AROUND
5 MPH, BECOMING NORTHEAST IN THE AFTERNOON.
MAZ016-220800-
EASTERN NORFOLK-
INCLUDING THE CITIES OF QUINCY, WEYMOUTH, BRAINTREE, AND MILTON
409 PM EDT SUN JUN 21 2026
TONIGHT MON MON NIGHT TUE
CLOUD COVER MCLEAR PCLDY MCLDY MCLDY
PRECIP TYPE NONE TSTMS TSTMS TSTMS
CHANCE PRECIP (%) 10 60 80 80
CHANCE OF THUNDER (%) 0 10 30 20
TEMP (24H TREND) 59 (-1) 80 (0) 60 78
RH % (24H TREND) 90 (+6) 45 (+8) 100 69
20FT WND AM(MPH) LGT/VAR SW 5
20FT WND PM(MPH) LGT/VAR LGT/VAR SE 5 NW 5
PRECIP AMOUNT 0.00 0.17 0.41 0.51
PRECIP DURATION 1 8 8
PRECIP BEGIN 2 PM CONTINUING CONTINUING
PRECIP END CONTINUING CONTINUING CONTINUING
MIXING HGT (FT-AGL) 390 4640 480 3420
TRANSPORT WND (KTS) W 5 SW 7 SE 9 NW 10
VENT RATE (KT-FT) 1950 32480 4320 34200
MAX ADI EARLY 19 GEN POOR 34 FAIR 14 GEN POOR 23 FAIR
MAX ADI LATE 6 VERY POOR 45 GEN GOOD 18 GEN POOR 29 FAIR
MAX LVORI EARLY 5 2 7 4
MAX LVORI LATE 5 2 7 4
MIN VSBY EARLY 10 10 5 FOG 2 FOG
MIN VSBY LATE 10 6 FOG 2 FOG 5 FOG
SUNSHINE HOURS N/A N/A N/A N/A
CWR 0 50 70 70
REMARKS...NONE.
FORECAST FOR DAYS 3 THROUGH 7
TUESDAY NIGHT
PARTLY CLOUDY WITH A CHANCE OF SHOWERS. LOWS IN
THE LOWER 60S. NORTHWEST WINDS AROUND 5 MPH.
WEDNESDAY AND WEDNESDAY NIGHT
MOSTLY CLEAR. LOWS IN THE LOWER
60S. HIGHS IN THE MID 80S. WEST WINDS AROUND 5 MPH.
THURSDAY
SUNNY. HIGHS IN THE MID 80S. WEST WINDS AROUND 5 MPH,
BECOMING SOUTHEAST AROUND 5 MPH IN THE AFTERNOON.
THURSDAY NIGHT
PARTLY CLOUDY. LOWS IN THE MID 60S. SOUTH WINDS
AROUND 5 MPH.
FRIDAY AND FRIDAY NIGHT
MOSTLY CLOUDY. A CHANCE OF SHOWERS.
LOWS IN THE MID 60S. HIGHS IN THE LOWER 80S. SOUTHWEST WINDS 5 TO
10 MPH.
SATURDAY
PARTLY SUNNY WITH A CHANCE OF SHOWERS. HIGHS IN THE
UPPER 80S. WEST WINDS AROUND 5 MPH.
SATURDAY NIGHT
PARTLY CLOUDY WITH A CHANCE OF SHOWERS. LOWS IN
THE MID 60S. WEST WINDS AROUND 5 MPH.
SUNDAY
SUNNY. HIGHS IN THE MID 80S. NORTHWEST WINDS AROUND
5 MPH, BECOMING NORTHEAST IN THE AFTERNOON.
MAZ013-220800-
WESTERN NORFOLK-
INCLUDING THE CITIES OF AVON, RANDOLPH, STOUGHTON, FRANKLIN,
MEDWAY, WRENTHAM, AND NEEDHAM
409 PM EDT SUN JUN 21 2026
TONIGHT MON MON NIGHT TUE
CLOUD COVER MCLEAR MCLDY MCLDY MCLDY
PRECIP TYPE NONE TSTMS TSTMS TSTMS
CHANCE PRECIP (%) 10 70 80 80
CHANCE OF THUNDER (%) 0 20 30 20
TEMP (24H TREND) 57 (0) 77 (-3) 59 76
RH % (24H TREND) 93 (0) 42 (+9) 100 71
20FT WND AM(MPH) LGT/VAR LGT/VAR
20FT WND PM(MPH) LGT/VAR LGT/VAR LGT/VAR LGT/VAR
PRECIP AMOUNT 0.00 0.19 0.38 0.68
PRECIP DURATION 2 8 7
PRECIP BEGIN 1 PM CONTINUING CONTINUING
PRECIP END CONTINUING CONTINUING CONTINUING
MIXING HGT (FT-AGL) 380 4780 460 4040
TRANSPORT WND (KTS) NW 5 S 10 SW 10 NW 12
VENT RATE (KT-FT) 1900 47800 4600 48480
MAX ADI EARLY 84 GOOD 46 GEN GOOD 17 GEN POOR 26 FAIR
MAX ADI LATE 6 VERY POOR 58 GEN GOOD 15 GEN POOR 37 FAIR
MAX LVORI EARLY 6 3 8 4
MAX LVORI LATE 6 3 8 4
MIN VSBY EARLY 10 10 3 FOG 2 FOG
MIN VSBY LATE 10 6 FOG 2 FOG 2 FOG
SUNSHINE HOURS N/A N/A N/A N/A
CWR 0 60 70 70
REMARKS...NONE.
FORECAST FOR DAYS 3 THROUGH 7
TUESDAY NIGHT
MOSTLY CLEAR WITH A CHANCE OF SHOWERS. LOWS IN
THE UPPER 50S. NORTHWEST WINDS AROUND 5 MPH.
WEDNESDAY AND WEDNESDAY NIGHT
MOSTLY CLEAR. LOWS IN THE UPPER
50S. HIGHS IN THE MID 80S. WEST WINDS AROUND 5 MPH.
THURSDAY
SUNNY. HIGHS IN THE MID 80S. WEST WINDS AROUND 5 MPH,
BECOMING SOUTHWEST AROUND 5 MPH IN THE AFTERNOON.
THURSDAY NIGHT
MOSTLY CLOUDY WITH A CHANCE OF SHOWERS. LOWS IN
THE LOWER 60S. SOUTH WINDS AROUND 5 MPH.
FRIDAY AND FRIDAY NIGHT
MOSTLY CLOUDY. A CHANCE OF SHOWERS.
LOWS IN THE MID 60S. HIGHS IN THE LOWER 80S. SOUTHWEST WINDS 5 TO
10 MPH.
SATURDAY
PARTLY SUNNY WITH A CHANCE OF SHOWERS. HIGHS IN THE
MID 80S. WEST WINDS AROUND 5 MPH.
SATURDAY NIGHT
PARTLY CLOUDY WITH A CHANCE OF SHOWERS. LOWS IN
THE LOWER 60S. WEST WINDS AROUND 5 MPH.
SUNDAY
MOSTLY SUNNY. HIGHS IN THE MID 80S. NORTHWEST WINDS
AROUND 5 MPH.
MAZ014-220800-
SOUTHEAST MIDDLESEX-
INCLUDING THE CITIES OF CAMBRIDGE, NEWTON, SOMERVILLE, WALTHAM,
WESTON, MALDEN, AND MEDFORD
409 PM EDT SUN JUN 21 2026
TONIGHT MON MON NIGHT TUE
CLOUD COVER MCLEAR MCLDY MCLDY MCLDY
PRECIP TYPE NONE TSTMS TSTMS TSTMS
CHANCE PRECIP (%) 20 60 80 80
CHANCE OF THUNDER (%) 0 10 30 20
TEMP (24H TREND) 59 (-1) 78 (-2) 60 78
RH % (24H TREND) 90 (+3) 47 (+8) 100 69
20FT WND AM(MPH) LGT/VAR LGT/VAR
20FT WND PM(MPH) LGT/VAR LGT/VAR LGT/VAR NW 5
PRECIP AMOUNT 0.00 0.16 0.49 0.55
PRECIP DURATION 2 10 7
PRECIP BEGIN 2 PM CONTINUING CONTINUING
PRECIP END CONTINUING CONTINUING CONTINUING
MIXING HGT (FT-AGL) 370 5000 520 4020
TRANSPORT WND (KTS) W 5 SW 9 SW 10 NW 12
VENT RATE (KT-FT) 1850 45000 5200 48240
MAX ADI EARLY 72 GOOD 42 GEN GOOD 19 GEN POOR 29 FAIR
MAX ADI LATE 6 VERY POOR 55 GEN GOOD 14 GEN POOR 39 FAIR
MAX LVORI EARLY 5 3 8 4
MAX LVORI LATE 5 3 8 4
MIN VSBY EARLY 10 10 5 FOG 2 FOG
MIN VSBY LATE 10 6 FOG 3 FOG 5 FOG
SUNSHINE HOURS N/A N/A N/A N/A
CWR 0 60 80 80
REMARKS...NONE.
FORECAST FOR DAYS 3 THROUGH 7
TUESDAY NIGHT
MOSTLY CLEAR WITH A CHANCE OF SHOWERS. LOWS IN
THE LOWER 60S. NORTHWEST WINDS AROUND 5 MPH.
WEDNESDAY AND WEDNESDAY NIGHT
MOSTLY CLEAR. LOWS IN THE LOWER
60S. HIGHS IN THE MID 80S. WEST WINDS AROUND 5 MPH.
THURSDAY
SUNNY. HIGHS IN THE MID 80S. WEST WINDS AROUND 5 MPH,
BECOMING SOUTHEAST AROUND 5 MPH IN THE AFTERNOON.
THURSDAY NIGHT
PARTLY CLOUDY WITH A CHANCE OF SHOWERS. LOWS IN
THE MID 60S. SOUTH WINDS AROUND 5 MPH.
FRIDAY AND FRIDAY NIGHT
MOSTLY CLOUDY. A CHANCE OF SHOWERS.
LOWS IN THE MID 60S. HIGHS IN THE LOWER 80S. SOUTHWEST WINDS 5 TO
10 MPH.
SATURDAY
PARTLY SUNNY WITH A CHANCE OF SHOWERS. HIGHS IN THE
UPPER 80S. WEST WINDS AROUND 5 MPH.
SATURDAY NIGHT
PARTLY CLOUDY WITH A CHANCE OF SHOWERS. LOWS IN
THE MID 60S. WEST WINDS AROUND 5 MPH.
SUNDAY
SUNNY. HIGHS IN THE UPPER 80S. NORTHWEST WINDS AROUND
5 MPH.
MAZ007-220800-
EASTERN ESSEX-
INCLUDING THE CITIES OF LYNN, NEWBURY, PEABODY, BEVERLY,
HAMILTON, WENHAM, AND GLOUCESTER
409 PM EDT SUN JUN 21 2026
TONIGHT MON MON NIGHT TUE
CLOUD COVER MCLEAR PCLDY MCLDY MCLDY
PRECIP TYPE NONE TSTMS TSTMS TSTMS
CHANCE PRECIP (%) 20 60 80 80
CHANCE OF THUNDER (%) 0 10 30 20
TEMP (24H TREND) 58 (-2) 78 (+2) 58 78
RH % (24H TREND) 97 (0) 52 (+11) 100 64
20FT WND AM(MPH) LGT/VAR SW 5
20FT WND PM(MPH) LGT/VAR SE 5 LGT/VAR NW 5
PRECIP AMOUNT 0.00 0.09 0.48 0.49
PRECIP DURATION 1 10 8
PRECIP BEGIN 2 PM CONTINUING CONTINUING
PRECIP END CONTINUING CONTINUING CONTINUING
MIXING HGT (FT-AGL) 370 2510 390 3050
TRANSPORT WND (KTS) W 6 S 5 S 10 NW 10
VENT RATE (KT-FT) 2220 12550 3900 30500
MAX ADI EARLY 6 VERY POOR 9 POOR 13 GEN POOR 24 FAIR
MAX ADI LATE 7 POOR 12 POOR 14 GEN POOR 29 FAIR
MAX LVORI EARLY 6 3 7 4
MAX LVORI LATE 6 3 7 4
MIN VSBY EARLY 10 10 5 FOG 2 FOG
MIN VSBY LATE 10 6 FOG 2 FOG 5 FOG
SUNSHINE HOURS N/A N/A N/A N/A
CWR 0 50 70 70
REMARKS...NONE.
FORECAST FOR DAYS 3 THROUGH 7
TUESDAY NIGHT
MOSTLY CLEAR WITH A CHANCE OF SHOWERS. LOWS IN
THE LOWER 60S. NORTHWEST WINDS AROUND 5 MPH.
WEDNESDAY AND WEDNESDAY NIGHT
MOSTLY CLEAR. LOWS IN THE LOWER
60S. HIGHS IN THE LOWER 80S. WEST WINDS AROUND 5 MPH.
THURSDAY
SUNNY. HIGHS IN THE LOWER 80S. WEST WINDS AROUND
5 MPH, BECOMING SOUTHEAST IN THE AFTERNOON.
THURSDAY NIGHT
PARTLY CLOUDY WITH A CHANCE OF SHOWERS. LOWS IN
THE MID 60S. SOUTH WINDS 5 TO 10 MPH.
FRIDAY AND FRIDAY NIGHT
MOSTLY CLOUDY. A CHANCE OF SHOWERS.
LOWS IN THE MID 60S. HIGHS IN THE LOWER 80S. SOUTHWEST WINDS 5 TO
10 MPH.
SATURDAY
MOSTLY SUNNY WITH A CHANCE OF SHOWERS. HIGHS IN THE
MID 80S. WEST WINDS AROUND 5 MPH.
SATURDAY NIGHT
PARTLY CLOUDY WITH A CHANCE OF SHOWERS. LOWS IN
THE MID 60S. WEST WINDS AROUND 5 MPH.
SUNDAY
MOSTLY SUNNY. HIGHS IN THE MID 80S. NORTHWEST WINDS
AROUND 5 MPH, BECOMING SOUTHEAST IN THE AFTERNOON.
MAZ006-220800-
WESTERN ESSEX-
INCLUDING THE CITIES OF LAWRENCE, NORTH ANDOVER, GROVELAND,
HAVERHILL, WEST NEWBURY, AND METHUEN
409 PM EDT SUN JUN 21 2026
TONIGHT MON MON NIGHT TUE
CLOUD COVER MCLEAR PCLDY MCLDY MCLDY
PRECIP TYPE NONE TSTMS TSTMS TSTMS
CHANCE PRECIP (%) 20 60 90 80
CHANCE OF THUNDER (%) 0 10 30 10
TEMP (24H TREND) 57 (-1) 77 (-1) 57 77
RH % (24H TREND) 100 (+3) 45 (+4) 100 64
20FT WND AM(MPH) LGT/VAR LGT/VAR
20FT WND PM(MPH) LGT/VAR LGT/VAR LGT/VAR LGT/VAR
PRECIP AMOUNT 0.00 0.11 0.64 0.52
PRECIP DURATION 2 10 7
PRECIP BEGIN 2 PM CONTINUING CONTINUING
PRECIP END CONTINUING CONTINUING CONTINUING
MIXING HGT (FT-AGL) 390 5020 430 4120
TRANSPORT WND (KTS) W 6 SW 8 SW 7 NW 11
VENT RATE (KT-FT) 2340 40160 3010 45320
MAX ADI EARLY 47 GEN GOOD 41 GEN GOOD 12 POOR 30 FAIR
MAX ADI LATE 7 POOR 53 GEN GOOD 11 POOR 51 GEN GOOD
MAX LVORI EARLY 7 3 9 4
MAX LVORI LATE 7 3 9 4
MIN VSBY EARLY 10 10 5 FOG 3 FOG
MIN VSBY LATE 10 6 FOG 3 FOG 5 FOG
SUNSHINE HOURS N/A N/A N/A N/A
CWR 0 50 80 70
REMARKS...NONE.
FORECAST FOR DAYS 3 THROUGH 7
TUESDAY NIGHT
MOSTLY CLEAR WITH A CHANCE OF SHOWERS. LOWS
AROUND 60. NORTHWEST WINDS AROUND 5 MPH.
WEDNESDAY AND WEDNESDAY NIGHT
MOSTLY CLEAR. LOWS AROUND 60.
HIGHS IN THE MID 80S. WEST WINDS AROUND 5 MPH.
THURSDAY
SUNNY. HIGHS IN THE MID 80S. WEST WINDS AROUND 5 MPH,
BECOMING SOUTH AROUND 5 MPH IN THE AFTERNOON.
THURSDAY NIGHT
MOSTLY CLOUDY WITH A CHANCE OF SHOWERS. LOWS IN
THE LOWER 60S. SOUTH WINDS AROUND 5 MPH.
FRIDAY AND FRIDAY NIGHT
MOSTLY CLOUDY. A CHANCE OF SHOWERS.
LOWS IN THE LOWER 60S. HIGHS IN THE LOWER 80S. SOUTHWEST WINDS
5 TO 10 MPH.
SATURDAY AND SATURDAY NIGHT
PARTLY CLOUDY. A CHANCE OF
SHOWERS. LOWS IN THE LOWER 60S. HIGHS IN THE UPPER 80S. NORTHWEST
WINDS AROUND 5 MPH.
SUNDAY
SUNNY. HIGHS IN THE MID 80S. NORTHWEST WINDS AROUND
5 MPH.
MAZ005-220800-
CENTRAL MIDDLESEX COUNTY-
INCLUDING THE CITIES OF DRACUT, LOWELL, FRAMINGHAM, LINCOLN,
MARLBOROUGH, CARLISLE, AND CHELMSFORD
409 PM EDT SUN JUN 21 2026
TONIGHT MON MON NIGHT TUE
CLOUD COVER MCLEAR MCLDY MCLDY MCLDY
PRECIP TYPE NONE TSTMS TSTMS TSTMS
CHANCE PRECIP (%) 20 70 80 80
CHANCE OF THUNDER (%) 0 20 30 20
TEMP (24H TREND) 57 (0) 77 (-3) 58 77
RH % (24H TREND) 96 (+3) 47 (+9) 100 66
20FT WND AM(MPH) LGT/VAR LGT/VAR
20FT WND PM(MPH) LGT/VAR LGT/VAR LGT/VAR LGT/VAR
PRECIP AMOUNT 0.00 0.18 0.57 0.54
PRECIP DURATION 2 10 7
PRECIP BEGIN 1 PM CONTINUING CONTINUING
PRECIP END CONTINUING CONTINUING CONTINUING
MIXING HGT (FT-AGL) 380 4970 440 4930
TRANSPORT WND (KTS) W 5 SW 10 SW 8 NW 12
VENT RATE (KT-FT) 1900 49700 3520 59160
MAX ADI EARLY 89 GOOD 46 GEN GOOD 16 GEN POOR 30 FAIR
MAX ADI LATE 6 VERY POOR 65 GOOD 12 POOR 64 GOOD
MAX LVORI EARLY 7 3 9 4
MAX LVORI LATE 7 3 9 4
MIN VSBY EARLY 10 10 3 FOG 3 FOG
MIN VSBY LATE 10 6 FOG 2 FOG 4 FOG
SUNSHINE HOURS N/A N/A N/A N/A
CWR 0 60 70 70
REMARKS...NONE.
FORECAST FOR DAYS 3 THROUGH 7
TUESDAY NIGHT
MOSTLY CLEAR WITH A CHANCE OF SHOWERS. LOWS IN
THE UPPER 50S. NORTHWEST WINDS AROUND 5 MPH.
WEDNESDAY AND WEDNESDAY NIGHT
MOSTLY CLEAR. LOWS IN THE UPPER
50S. HIGHS IN THE MID 80S. WEST WINDS AROUND 5 MPH.
THURSDAY
SUNNY. HIGHS IN THE MID 80S. WEST WINDS AROUND 5 MPH,
BECOMING SOUTH AROUND 5 MPH IN THE AFTERNOON.
THURSDAY NIGHT
MOSTLY CLOUDY WITH A CHANCE OF SHOWERS. LOWS IN
THE LOWER 60S. SOUTH WINDS AROUND 5 MPH.
FRIDAY AND FRIDAY NIGHT
MOSTLY CLOUDY. A CHANCE OF SHOWERS.
LOWS IN THE LOWER 60S. HIGHS IN THE LOWER 80S. SOUTHWEST WINDS
AROUND 5 MPH.
SATURDAY AND SATURDAY NIGHT
PARTLY CLOUDY. A CHANCE OF
SHOWERS. LOWS IN THE LOWER 60S. HIGHS IN THE MID 80S. WEST WINDS
AROUND 5 MPH.
SUNDAY
SUNNY. HIGHS IN THE MID 80S. NORTHWEST WINDS AROUND
5 MPH.
MAZ012-220800-
SOUTHERN WORCESTER-
INCLUDING THE CITIES OF AUBURN, WORCESTER, AND MILLVILLE
409 PM EDT SUN JUN 21 2026
TONIGHT MON MON NIGHT TUE
CLOUD COVER MCLEAR MCLDY MCLDY MCLDY
PRECIP TYPE NONE TSTMS TSTMS TSTMS
CHANCE PRECIP (%) 10 70 90 80
CHANCE OF THUNDER (%) 0 20 30 20
TEMP (24H TREND) 56 (0) 76 (-3) 58 76
RH % (24H TREND) 96 (+3) 48 (+12) 100 66
20FT WND AM(MPH) LGT/VAR LGT/VAR
20FT WND PM(MPH) LGT/VAR LGT/VAR LGT/VAR NW 5
PRECIP AMOUNT 0.00 0.24 0.58 0.54
PRECIP DURATION 3 11 7
PRECIP BEGIN 1 PM CONTINUING CONTINUING
PRECIP END CONTINUING CONTINUING CONTINUING
MIXING HGT (FT-AGL) 390 4630 450 4840
TRANSPORT WND (KTS) NW 5 S 11 SW 7 NW 12
VENT RATE (KT-FT) 1950 50930 3150 58080
MAX ADI EARLY 105 VERY GOOD46 GEN GOOD 20 GEN POOR 28 FAIR
MAX ADI LATE 6 VERY POOR 63 GOOD 11 POOR 42 GEN GOOD
MAX LVORI EARLY 7 3 9 4
MAX LVORI LATE 7 3 9 4
MIN VSBY EARLY 10 10 1 FOG 3 FOG
MIN VSBY LATE 10 6 FOG 2 FOG 3 FOG
SUNSHINE HOURS N/A N/A N/A N/A
CWR 0 70 70 70
REMARKS...NONE.
FORECAST FOR DAYS 3 THROUGH 7
TUESDAY NIGHT
MOSTLY CLEAR WITH A CHANCE OF SHOWERS. LOWS IN
THE UPPER 50S. NORTHWEST WINDS AROUND 5 MPH.
WEDNESDAY AND WEDNESDAY NIGHT
MOSTLY CLEAR. LOWS IN THE UPPER
50S. HIGHS IN THE LOWER 80S. WEST WINDS 5 TO 10 MPH.
THURSDAY
SUNNY. HIGHS IN THE MID 80S. SOUTHWEST WINDS AROUND
5 MPH.
THURSDAY NIGHT
MOSTLY CLOUDY WITH A CHANCE OF SHOWERS. LOWS IN
THE LOWER 60S. SOUTH WINDS AROUND 5 MPH.
FRIDAY AND FRIDAY NIGHT
MOSTLY CLOUDY. A CHANCE OF SHOWERS AND
THUNDERSTORMS. LOWS IN THE LOWER 60S. HIGHS AROUND 80. SOUTHWEST
WINDS 5 TO 10 MPH.
SATURDAY
PARTLY SUNNY WITH A CHANCE OF SHOWERS. HIGHS IN THE
MID 80S. WEST WINDS AROUND 5 MPH.
SATURDAY NIGHT
PARTLY CLOUDY WITH A CHANCE OF SHOWERS. LOWS IN
THE LOWER 60S. WEST WINDS AROUND 5 MPH.
SUNDAY
SUNNY. HIGHS IN THE MID 80S. NORTHWEST WINDS AROUND
5 MPH.
MAZ004-220800-
NORTHERN WORCESTER-
INCLUDING THE CITY OF WEST BOYLSTON
409 PM EDT SUN JUN 21 2026
TONIGHT MON MON NIGHT TUE
CLOUD COVER MCLEAR MCLDY CLOUDY PCLDY
PRECIP TYPE NONE TSTMS TSTMS TSTMS
CHANCE PRECIP (%) 10 80 90 70
CHANCE OF THUNDER (%) 0 20 20 10
TEMP (24H TREND) 53 (-1) 74 (-3) 55 77
RH % (24H TREND) 100 (0) 45 (+8) 100 58
20FT WND AM(MPH) LGT/VAR LGT/VAR
20FT WND PM(MPH) LGT/VAR LGT/VAR LGT/VAR NW 5
PRECIP AMOUNT 0.00 0.27 0.91 0.45
PRECIP DURATION 3 12 6
PRECIP BEGIN 12 PM CONTINUING CONTINUING
PRECIP END CONTINUING CONTINUING 6 PM
MIXING HGT (FT-AGL) 400 3860 430 5690
TRANSPORT WND (KTS) W 5 S 9 SW 5 NW 14
VENT RATE (KT-FT) 2000 34740 2150 79660
MAX ADI EARLY 83 GOOD 37 FAIR 17 GEN POOR 31 FAIR
MAX ADI LATE 5 VERY POOR 39 FAIR 10 POOR 100 GOOD
MAX LVORI EARLY 7 3 9 4
MAX LVORI LATE 7 3 9 4
MIN VSBY EARLY 10 9 3 FOG 3 FOG
MIN VSBY LATE 10 5 FOG 2 FOG 5 FOG
SUNSHINE HOURS N/A N/A N/A N/A
CWR 0 80 80 70
REMARKS...NONE.
FORECAST FOR DAYS 3 THROUGH 7
TUESDAY NIGHT
MOSTLY CLEAR. LOWS IN THE UPPER 50S. NORTHWEST
WINDS AROUND 5 MPH.
WEDNESDAY AND WEDNESDAY NIGHT
MOSTLY CLEAR. LOWS IN THE UPPER
50S. HIGHS IN THE LOWER 80S. WEST WINDS 5 TO 10 MPH.
THURSDAY
SUNNY. HIGHS IN THE LOWER 80S. SOUTHWEST WINDS AROUND
5 MPH.
THURSDAY NIGHT
MOSTLY CLOUDY WITH A CHANCE OF SHOWERS. LOWS IN
THE LOWER 60S. SOUTH WINDS AROUND 5 MPH.
FRIDAY AND FRIDAY NIGHT
MOSTLY CLOUDY WITH SHOWERS LIKELY AND
A CHANCE OF THUNDERSTORMS. LOWS IN THE LOWER 60S. HIGHS IN THE
UPPER 70S. SOUTHWEST WINDS 5 TO 10 MPH.
SATURDAY AND SATURDAY NIGHT
PARTLY CLOUDY. A CHANCE OF
SHOWERS. LOWS AROUND 60. HIGHS IN THE LOWER 80S. NORTHWEST WINDS
5 TO 10 MPH.
SUNDAY
SUNNY. HIGHS IN THE LOWER 80S. NORTHWEST WINDS AROUND
5 MPH.
MAZ026-220800-
NORTHWEST MIDDLESEX COUNTY-
INCLUDING THE CITIES OF AYER, PEPPERELL, SHIRLEY, ASHBY, GROTON,
AND TOWNSEND
409 PM EDT SUN JUN 21 2026
TONIGHT MON MON NIGHT TUE
CLOUD COVER PCLDY MCLDY CLOUDY PCLDY
PRECIP TYPE NONE TSTMS TSTMS TSTMS
CHANCE PRECIP (%) 10 80 90 80
CHANCE OF THUNDER (%) 0 20 20 10
TEMP (24H TREND) 55 (-1) 77 (-1) 56 78
RH % (24H TREND) 96 (+6) 50 (+7) 100 64
20FT WND AM(MPH) LGT/VAR LGT/VAR
20FT WND PM(MPH) LGT/VAR LGT/VAR LGT/VAR LGT/VAR
PRECIP AMOUNT 0.00 0.24 0.82 0.45
PRECIP DURATION 3 11 7
PRECIP BEGIN 1 PM CONTINUING CONTINUING
PRECIP END CONTINUING CONTINUING CONTINUING
MIXING HGT (FT-AGL) 400 4470 430 5580
TRANSPORT WND (KTS) NW 7 SW 10 S 5 NW 14
VENT RATE (KT-FT) 2800 44700 2150 78120
MAX ADI EARLY 94 GOOD 48 GEN GOOD 13 GEN POOR 32 FAIR
MAX ADI LATE 6 VERY POOR 61 GOOD 11 POOR 105 VERY GOOD
MAX LVORI EARLY 7 3 10 4
MAX LVORI LATE 7 3 10 4
MIN VSBY EARLY 10 10 2 FOG 3 FOG
MIN VSBY LATE 10 6 FOG 2 FOG 5 FOG
SUNSHINE HOURS N/A N/A N/A N/A
CWR 0 70 80 70
REMARKS...NONE.
FORECAST FOR DAYS 3 THROUGH 7
TUESDAY NIGHT
MOSTLY CLEAR. LOWS IN THE UPPER 50S. NORTHWEST
WINDS AROUND 5 MPH.
WEDNESDAY AND WEDNESDAY NIGHT
MOSTLY CLEAR. LOWS IN THE UPPER
50S. HIGHS IN THE LOWER 80S. WEST WINDS AROUND 5 MPH.
THURSDAY
SUNNY. HIGHS IN THE MID 80S. SOUTHWEST WINDS AROUND
5 MPH.
THURSDAY NIGHT
MOSTLY CLOUDY WITH A CHANCE OF SHOWERS. LOWS IN
THE LOWER 60S. SOUTH WINDS AROUND 5 MPH.
FRIDAY AND FRIDAY NIGHT
MOSTLY CLOUDY WITH SHOWERS LIKELY AND
A CHANCE OF THUNDERSTORMS. LOWS IN THE LOWER 60S. HIGHS AROUND
80. SOUTHWEST WINDS AROUND 5 MPH.
SATURDAY AND SATURDAY NIGHT
PARTLY CLOUDY. A CHANCE OF
SHOWERS. LOWS IN THE LOWER 60S. HIGHS IN THE MID 80S. WEST WINDS
AROUND 5 MPH.
SUNDAY
SUNNY. HIGHS IN THE MID 80S. NORTHWEST WINDS AROUND
5 MPH.
MAZ002-220800-
WESTERN FRANKLIN-
INCLUDING THE CITY OF LEYDEN
409 PM EDT SUN JUN 21 2026
TONIGHT MON MON NIGHT TUE
CLOUD COVER PCLDY MCLDY CLOUDY PCLDY
PRECIP TYPE NONE TSTMS TSTMS TSTMS
CHANCE PRECIP (%) 90 90 60
CHANCE OF THUNDER (%) 0 20 20 10
TEMP (24H TREND) 51 (-2) 70 (-4) 53 76
RH % (24H TREND) 96 (+6) 57 (+17) 100 54
20FT WND AM(MPH) LGT/VAR LGT/VAR
20FT WND PM(MPH) LGT/VAR LGT/VAR LGT/VAR LGT/VAR
PRECIP AMOUNT 0.00 0.38 0.75 0.13
PRECIP DURATION 4 12 2
PRECIP BEGIN 11 AM CONTINUING CONTINUING
PRECIP END CONTINUING CONTINUING 2 PM
MIXING HGT (FT-AGL) 390 3130 440 5450
TRANSPORT WND (KTS) W 5 S 10 W 7 NW 15
VENT RATE (KT-FT) 1950 31300 3080 81750
MAX ADI EARLY 82 GOOD 23 FAIR 19 GEN POOR 39 FAIR
MAX ADI LATE 7 POOR 40 FAIR 11 POOR 104 VERY GOOD
MAX LVORI EARLY 6 3 9 3
MAX LVORI LATE 6 3 9 3
MIN VSBY EARLY 10 7 2 FOG 5 FOG
MIN VSBY LATE 10 4 FOG 2 FOG 9
SUNSHINE HOURS N/A N/A N/A N/A
CWR 0 90 90 50
REMARKS...NONE.
FORECAST FOR DAYS 3 THROUGH 7
TUESDAY NIGHT
MOSTLY CLEAR. LOWS IN THE MID 50S. NORTHWEST
WINDS AROUND 5 MPH.
WEDNESDAY AND WEDNESDAY NIGHT
MOSTLY CLEAR. LOWS IN THE MID
50S. HIGHS IN THE UPPER 70S. WEST WINDS AROUND 5 MPH.
THURSDAY
MOSTLY SUNNY. HIGHS AROUND 80. SOUTHWEST WINDS AROUND
5 MPH.
THURSDAY NIGHT
MOSTLY CLOUDY WITH SHOWERS LIKELY. LOWS IN THE
UPPER 50S. SOUTH WINDS AROUND 5 MPH.
FRIDAY AND FRIDAY NIGHT
MOSTLY CLOUDY WITH SHOWERS LIKELY AND
A CHANCE OF THUNDERSTORMS. LOWS IN THE UPPER 50S. HIGHS IN THE
MID 70S. WEST WINDS AROUND 5 MPH.
SATURDAY
PARTLY SUNNY WITH A CHANCE OF SHOWERS. HIGHS IN THE
UPPER 70S. WEST WINDS AROUND 5 MPH.
SATURDAY NIGHT
PARTLY CLOUDY. LOWS IN THE UPPER 50S. WEST
WINDS AROUND 5 MPH.
SUNDAY
SUNNY. HIGHS AROUND 80. NORTHWEST WINDS AROUND 5 MPH.
MAZ003-220800-
EASTERN FRANKLIN-
INCLUDING THE CITIES OF DEERFIELD, GREENFIELD, LEVERETT,
SHUTESBURY, BERNARDSTON, NEW SALEM, AND ORANGE
409 PM EDT SUN JUN 21 2026
TONIGHT MON MON NIGHT TUE
CLOUD COVER PCLDY MCLDY CLOUDY PCLDY
PRECIP TYPE NONE TSTMS TSTMS TSTMS
CHANCE PRECIP (%) 10 90 90 70
CHANCE OF THUNDER (%) 0 20 20 10
TEMP (24H TREND) 53 (-1) 73 (-4) 56 79
RH % (24H TREND) 100 (+4) 50 (+13) 100 50
20FT WND AM(MPH) LGT/VAR LGT/VAR
20FT WND PM(MPH) LGT/VAR LGT/VAR LGT/VAR NW 5
PRECIP AMOUNT 0.00 0.32 0.96 0.25
PRECIP DURATION 4 12 2
PRECIP BEGIN 12 PM CONTINUING CONTINUING
PRECIP END CONTINUING CONTINUING 5 PM
MIXING HGT (FT-AGL) 390 3150 430 6020
TRANSPORT WND (KTS) NW 3 S 9 SW 6 NW 15
VENT RATE (KT-FT) 1170 28350 2580 90300
MAX ADI EARLY 64 GOOD 19 GEN POOR 16 GEN POOR 36 FAIR
MAX ADI LATE 3 VERY POOR 35 FAIR 10 POOR 105 VERY GOOD
MAX LVORI EARLY 9 3 9 3
MAX LVORI LATE 9 3 9 3
MIN VSBY EARLY 10 7 2 FOG 4 FOG
MIN VSBY LATE 9 5 FOG 2 FOG 9
SUNSHINE HOURS N/A N/A N/A N/A
CWR 0 80 90 60
REMARKS...NONE.
FORECAST FOR DAYS 3 THROUGH 7
TUESDAY NIGHT
MOSTLY CLEAR. LOWS IN THE MID 50S. NORTHWEST
WINDS AROUND 5 MPH.
WEDNESDAY AND WEDNESDAY NIGHT
MOSTLY CLEAR. LOWS IN THE MID
50S. HIGHS IN THE LOWER 80S. NORTHWEST WINDS 5 TO 10 MPH.
THURSDAY
MOSTLY SUNNY. HIGHS IN THE LOWER 80S. SOUTHWEST WINDS
AROUND 5 MPH.
THURSDAY NIGHT
MOSTLY CLOUDY WITH SHOWERS LIKELY. LOWS IN THE
LOWER 60S. SOUTH WINDS AROUND 5 MPH.
FRIDAY AND FRIDAY NIGHT
MOSTLY CLOUDY WITH SHOWERS LIKELY AND
A CHANCE OF THUNDERSTORMS. LOWS IN THE LOWER 60S. HIGHS IN THE
UPPER 70S. SOUTHWEST WINDS 5 TO 10 MPH.
SATURDAY
PARTLY SUNNY WITH A CHANCE OF SHOWERS. HIGHS IN THE
LOWER 80S. WEST WINDS 5 TO 10 MPH.
SATURDAY NIGHT
PARTLY CLOUDY. LOWS IN THE UPPER 50S. WEST
WINDS AROUND 5 MPH.
SUNDAY
SUNNY. HIGHS IN THE MID 80S. NORTHWEST WINDS AROUND
5 MPH.
MAZ008-220800-
WESTERN HAMPSHIRE-
INCLUDING THE CITIES OF HUNTINGTON, CHESTERFIELD, GOSHEN,
WESTHAMPTON, AND WILLIAMSBURG
409 PM EDT SUN JUN 21 2026
TONIGHT MON MON NIGHT TUE
CLOUD COVER PCLDY MCLDY CLOUDY PCLDY
PRECIP TYPE NONE TSTMS TSTMS TSTMS
CHANCE PRECIP (%) 90 90 60
CHANCE OF THUNDER (%) 0 20 20 10
TEMP (24H TREND) 52 (0) 70 (-5) 53 76
RH % (24H TREND) 93 (+7) 57 (+17) 100 58
20FT WND AM(MPH) LGT/VAR LGT/VAR
20FT WND PM(MPH) LGT/VAR LGT/VAR LGT/VAR LGT/VAR
PRECIP AMOUNT 0.00 0.38 0.87 0.17
PRECIP DURATION 4 12 2
PRECIP BEGIN 11 AM CONTINUING CONTINUING
PRECIP END CONTINUING CONTINUING 2 PM
MIXING HGT (FT-AGL) 390 3000 430 5190
TRANSPORT WND (KTS) NW 6 S 11 W 7 NW 15
VENT RATE (KT-FT) 2340 33000 3010 77850
MAX ADI EARLY 96 GOOD 17 GEN POOR 21 FAIR 35 FAIR
MAX ADI LATE 7 POOR 44 GEN GOOD 11 POOR 102 VERY GOOD
MAX LVORI EARLY 5 4 9 3
MAX LVORI LATE 5 4 9 3
MIN VSBY EARLY 10 10 2 FOG 5 FOG
MIN VSBY LATE 10 4 FOG 2 FOG 9
SUNSHINE HOURS N/A N/A N/A N/A
CWR 0 90 90 50
REMARKS...NONE.
FORECAST FOR DAYS 3 THROUGH 7
TUESDAY NIGHT
MOSTLY CLEAR. LOWS IN THE MID 50S. NORTHWEST
WINDS AROUND 5 MPH.
WEDNESDAY AND WEDNESDAY NIGHT
MOSTLY CLEAR. LOWS IN THE MID
50S. HIGHS IN THE UPPER 70S. NORTHWEST WINDS AROUND 5 MPH.
THURSDAY
MOSTLY SUNNY. HIGHS AROUND 80. SOUTHWEST WINDS AROUND
5 MPH.
THURSDAY NIGHT
MOSTLY CLOUDY WITH SHOWERS LIKELY. LOWS AROUND
60. SOUTH WINDS AROUND 5 MPH.
FRIDAY AND FRIDAY NIGHT
MOSTLY CLOUDY WITH SHOWERS LIKELY AND
A CHANCE OF THUNDERSTORMS. LOWS AROUND 60. HIGHS IN THE MID 70S.
WEST WINDS AROUND 5 MPH.
SATURDAY
PARTLY SUNNY WITH A CHANCE OF SHOWERS. HIGHS IN THE
UPPER 70S. WEST WINDS AROUND 5 MPH.
SATURDAY NIGHT
PARTLY CLOUDY. LOWS IN THE UPPER 50S. NORTHWEST
WINDS AROUND 5 MPH.
SUNDAY
SUNNY. HIGHS AROUND 80. NORTHWEST WINDS AROUND 5 MPH.
MAZ010-220800-
EASTERN HAMPSHIRE-
INCLUDING THE CITIES OF SOUTHAMPTON, NORTHAMPTON, AMHERST,
AND EASTHAMPTON
409 PM EDT SUN JUN 21 2026
TONIGHT MON MON NIGHT TUE
CLOUD COVER MCLEAR MCLDY CLOUDY PCLDY
PRECIP TYPE NONE TSTMS TSTMS TSTMS
CHANCE PRECIP (%) 90 100 70
CHANCE OF THUNDER (%) 0 20 30 10
TEMP (24H TREND) 54 (0) 73 (-6) 57 80
RH % (24H TREND) 100 (+10) 53 (+17) 100 56
20FT WND AM(MPH) LGT/VAR LGT/VAR
20FT WND PM(MPH) LGT/VAR LGT/VAR LGT/VAR NW 6
PRECIP AMOUNT 0.00 0.33 1.14 0.30
PRECIP DURATION 4 12 3
PRECIP BEGIN 12 PM CONTINUING CONTINUING
PRECIP END CONTINUING CONTINUING 6 PM
MIXING HGT (FT-AGL) 390 3800 430 5650
TRANSPORT WND (KTS) NW 3 S 10 SW 6 NW 13
VENT RATE (KT-FT) 1170 38000 2580 73450
MAX ADI EARLY 99 GOOD 17 GEN POOR 20 GEN POOR 35 FAIR
MAX ADI LATE 3 VERY POOR 49 GEN GOOD 10 POOR 95 GOOD
MAX LVORI EARLY 7 3 9 3
MAX LVORI LATE 7 3 9 3
MIN VSBY EARLY 10 10 3 FOG 4 FOG
MIN VSBY LATE 10 4 FOG 2 FOG 9
SUNSHINE HOURS N/A N/A N/A N/A
CWR 0 80 80 60
REMARKS...NONE.
FORECAST FOR DAYS 3 THROUGH 7
TUESDAY NIGHT
MOSTLY CLEAR. LOWS IN THE UPPER 50S. NORTHWEST
WINDS AROUND 5 MPH.
WEDNESDAY AND WEDNESDAY NIGHT
MOSTLY CLEAR. LOWS IN THE UPPER
50S. HIGHS IN THE LOWER 80S. NORTHWEST WINDS 5 TO 10 MPH.
THURSDAY
SUNNY. HIGHS IN THE MID 80S. SOUTHWEST WINDS AROUND
5 MPH.
THURSDAY NIGHT
MOSTLY CLOUDY WITH A CHANCE OF SHOWERS. LOWS IN
THE LOWER 60S. SOUTH WINDS AROUND 5 MPH.
FRIDAY AND FRIDAY NIGHT
MOSTLY CLOUDY WITH SHOWERS LIKELY AND
A CHANCE OF THUNDERSTORMS. LOWS IN THE LOWER 60S. HIGHS AROUND
80. SOUTHWEST WINDS 5 TO 10 MPH.
SATURDAY
PARTLY SUNNY WITH A CHANCE OF SHOWERS. HIGHS IN THE
MID 80S. WEST WINDS 5 TO 10 MPH.
SATURDAY NIGHT
PARTLY CLOUDY. LOWS IN THE UPPER 50S. NORTHWEST
WINDS AROUND 5 MPH.
SUNDAY
SUNNY. HIGHS IN THE MID 80S. NORTHWEST WINDS AROUND
5 MPH.
MAZ009-220800-
WESTERN HAMPDEN-
INCLUDING THE CITIES OF BLANDFORD, MONTGOMERY, AND RUSSELL
409 PM EDT SUN JUN 21 2026
TONIGHT MON MON NIGHT TUE
CLOUD COVER PCLDY MCLDY CLOUDY PCLDY
PRECIP TYPE NONE TSTMS TSTMS TSTMS
CHANCE PRECIP (%) 90 90 60
CHANCE OF THUNDER (%) 0 20 20 10
TEMP (24H TREND) 53 (0) 71 (-5) 56 77
RH % (24H TREND) 90 (+4) 57 (+18) 100 59
20FT WND AM(MPH) LGT/VAR LGT/VAR
20FT WND PM(MPH) LGT/VAR LGT/VAR LGT/VAR NW 5
PRECIP AMOUNT 0.00 0.41 0.95 0.18
PRECIP DURATION 4 12 2
PRECIP BEGIN 11 AM CONTINUING CONTINUING
PRECIP END CONTINUING CONTINUING 2 PM
MIXING HGT (FT-AGL) 410 2990 430 5020
TRANSPORT WND (KTS) NW 6 S 12 W 7 NW 14
VENT RATE (KT-FT) 2460 35880 3010 70280
MAX ADI EARLY 105 VERY GOOD17 GEN POOR 23 FAIR 35 FAIR
MAX ADI LATE 7 POOR 44 GEN GOOD 11 POOR 93 GOOD
MAX LVORI EARLY 5 4 9 3
MAX LVORI LATE 5 4 9 3
MIN VSBY EARLY 10 10 2 FOG 5 FOG
MIN VSBY LATE 10 3 FOG 2 FOG 9
SUNSHINE HOURS N/A N/A N/A N/A
CWR 0 90 80 50
REMARKS...NONE.
FORECAST FOR DAYS 3 THROUGH 7
TUESDAY NIGHT
MOSTLY CLEAR. LOWS IN THE MID 50S. NORTHWEST
WINDS AROUND 5 MPH.
WEDNESDAY AND WEDNESDAY NIGHT
MOSTLY CLEAR. LOWS IN THE MID
50S. HIGHS IN THE UPPER 70S. NORTHWEST WINDS AROUND 5 MPH.
THURSDAY
SUNNY. HIGHS IN THE LOWER 80S. SOUTHWEST WINDS AROUND
5 MPH.
THURSDAY NIGHT
MOSTLY CLOUDY WITH SHOWERS LIKELY. LOWS AROUND
60. SOUTH WINDS AROUND 5 MPH.
FRIDAY AND FRIDAY NIGHT
MOSTLY CLOUDY WITH SHOWERS LIKELY AND
A CHANCE OF THUNDERSTORMS. LOWS AROUND 60. HIGHS IN THE UPPER
70S. WEST WINDS AROUND 5 MPH.
SATURDAY
PARTLY SUNNY WITH A CHANCE OF SHOWERS. HIGHS IN THE
LOWER 80S. WEST WINDS AROUND 5 MPH.
SATURDAY NIGHT
PARTLY CLOUDY. LOWS IN THE UPPER 50S. NORTHWEST
WINDS AROUND 5 MPH.
SUNDAY
SUNNY. HIGHS IN THE LOWER 80S. NORTHWEST WINDS AROUND
5 MPH.
MAZ011-220800-
EASTERN HAMPDEN-
INCLUDING THE CITIES OF EAST LONGMEADOW, SPRINGFIELD, CHICOPEE,
WESTFIELD, AND HOLYOKE
409 PM EDT SUN JUN 21 2026
TONIGHT MON MON NIGHT TUE
CLOUD COVER MCLEAR MCLDY CLOUDY PCLDY
PRECIP TYPE NONE TSTMS TSTMS TSTMS
CHANCE PRECIP (%) 80 100 70
CHANCE OF THUNDER (%) 0 20 30 10
TEMP (24H TREND) 55 (0) 74 (-5) 57 79
RH % (24H TREND) 93 (+3) 51 (+19) 100 54
20FT WND AM(MPH) LGT/VAR W 5
20FT WND PM(MPH) LGT/VAR LGT/VAR SE 5 NW 6
PRECIP AMOUNT 0.00 0.34 0.99 0.35
PRECIP DURATION 4 12 3
PRECIP BEGIN 12 PM CONTINUING CONTINUING
PRECIP END CONTINUING CONTINUING 6 PM
MIXING HGT (FT-AGL) 400 4020 430 5300
TRANSPORT WND (KTS) NW 3 S 12 SW 6 NW 13
VENT RATE (KT-FT) 1200 48240 2580 68900
MAX ADI EARLY 105 VERY GOOD19 GEN POOR 26 FAIR 33 FAIR
MAX ADI LATE 3 VERY POOR 61 GOOD 11 POOR 87 GOOD
MAX LVORI EARLY 6 3 9 3
MAX LVORI LATE 6 3 9 3
MIN VSBY EARLY 10 10 3 FOG 3 FOG
MIN VSBY LATE 10 4 FOG 3 FOG 6 FOG
SUNSHINE HOURS N/A N/A N/A N/A
CWR 0 80 80 70
REMARKS...NONE.
FORECAST FOR DAYS 3 THROUGH 7
TUESDAY NIGHT
MOSTLY CLEAR. LOWS IN THE UPPER 50S. NORTHWEST
WINDS AROUND 5 MPH.
WEDNESDAY AND WEDNESDAY NIGHT
MOSTLY CLEAR. LOWS IN THE UPPER
50S. HIGHS IN THE LOWER 80S. WEST WINDS 5 TO 10 MPH.
THURSDAY
SUNNY. HIGHS IN THE MID 80S. SOUTHWEST WINDS AROUND
5 MPH.
THURSDAY NIGHT
MOSTLY CLOUDY WITH A CHANCE OF SHOWERS. LOWS IN
THE LOWER 60S. SOUTH WINDS AROUND 5 MPH.
FRIDAY
MOSTLY CLOUDY WITH SHOWERS LIKELY AND A CHANCE OF
THUNDERSTORMS. HIGHS AROUND 80. SOUTH WINDS 5 TO 10 MPH.
FRIDAY NIGHT
MOSTLY CLOUDY WITH A CHANCE OF SHOWERS AND
THUNDERSTORMS. LOWS IN THE LOWER 60S. SOUTHWEST WINDS 5 TO
10 MPH.
SATURDAY
PARTLY SUNNY WITH A CHANCE OF SHOWERS. HIGHS IN THE
MID 80S. WEST WINDS 5 TO 10 MPH.
SATURDAY NIGHT
PARTLY CLOUDY. LOWS IN THE UPPER 50S. NORTHWEST
WINDS AROUND 5 MPH.
SUNDAY
SUNNY. HIGHS IN THE MID 80S. NORTHWEST WINDS AROUND
5 MPH.
CTZ002-220800-
HARTFORD-
INCLUDING THE CITIES OF HARTFORD, FARMINGTON, NEW BRITAIN,
WEST HARTFORD, BRISTOL, PLAINVILLE, AND EAST HARTFORD
409 PM EDT SUN JUN 21 2026
TONIGHT MON MON NIGHT TUE
CLOUD COVER MCLEAR MCLDY CLOUDY PCLDY
PRECIP TYPE NONE TSTMS TSTMS TSTMS
CHANCE PRECIP (%) 80 100 70
CHANCE OF THUNDER (%) 0 20 20 20
TEMP (24H TREND) 56 (+2) 75 (-5) 58 79
RH % (24H TREND) 90 (-3) 51 (+18) 100 60
20FT WND AM(MPH) LGT/VAR LGT/VAR
20FT WND PM(MPH) LGT/VAR LGT/VAR S 6 NW 6
PRECIP AMOUNT 0.00 0.34 0.81 0.30
PRECIP DURATION 4 11 3
PRECIP BEGIN 12 PM CONTINUING CONTINUING
PRECIP END CONTINUING CONTINUING 6 PM
MIXING HGT (FT-AGL) 380 3190 430 4580
TRANSPORT WND (KTS) N 4 S 9 SW 7 NW 13
VENT RATE (KT-FT) 1520 28710 3010 59540
MAX ADI EARLY 103 VERY GOOD20 GEN POOR 28 FAIR 32 FAIR
MAX ADI LATE 3 VERY POOR 44 GEN GOOD 12 POOR 78 GOOD
MAX LVORI EARLY 5 3 9 4
MAX LVORI LATE 5 3 9 4
MIN VSBY EARLY 10 10 2 FOG 4 FOG
MIN VSBY LATE 10 3 FOG 2 FOG 7
SUNSHINE HOURS N/A N/A N/A N/A
CWR 0 80 80 60
REMARKS...NONE.
FORECAST FOR DAYS 3 THROUGH 7
TUESDAY NIGHT
MOSTLY CLEAR. LOWS IN THE UPPER 50S. NORTHWEST
WINDS AROUND 5 MPH.
WEDNESDAY AND WEDNESDAY NIGHT
MOSTLY CLEAR. LOWS IN THE UPPER
50S. HIGHS IN THE LOWER 80S. NORTHWEST WINDS 5 TO 10 MPH.
THURSDAY
SUNNY. HIGHS IN THE MID 80S. SOUTHWEST WINDS AROUND
5 MPH.
THURSDAY NIGHT
MOSTLY CLOUDY WITH A CHANCE OF SHOWERS. LOWS IN
THE LOWER 60S. SOUTH WINDS AROUND 5 MPH.
FRIDAY AND FRIDAY NIGHT
MOSTLY CLOUDY. A CHANCE OF SHOWERS AND
THUNDERSTORMS. LOWS IN THE LOWER 60S. HIGHS AROUND 80. SOUTHWEST
WINDS 5 TO 10 MPH.
SATURDAY
MOSTLY SUNNY WITH A CHANCE OF SHOWERS. HIGHS IN THE
MID 80S. NORTHWEST WINDS AROUND 5 MPH.
SATURDAY NIGHT
PARTLY CLOUDY. LOWS IN THE LOWER 60S. NORTHWEST
WINDS AROUND 5 MPH.
SUNDAY
SUNNY. HIGHS IN THE MID 80S. NORTHWEST WINDS AROUND
5 MPH.
CTZ003-220800-
TOLLAND-
INCLUDING THE CITIES OF MANSFIELD, STORRS, WILLINGTON, ROCKVILLE,
STAFFORD, STAFFORD SPRINGS, AND ELLINGTON
409 PM EDT SUN JUN 21 2026
TONIGHT MON MON NIGHT TUE
CLOUD COVER PCLDY MCLDY MCLDY MCLDY
PRECIP TYPE NONE TSTMS TSTMS TSTMS
CHANCE PRECIP (%) 80 90 70
CHANCE OF THUNDER (%) 0 20 30 20
TEMP (24H TREND) 55 (+1) 75 (-4) 59 77
RH % (24H TREND) 93 (-3) 55 (+19) 100 67
20FT WND AM(MPH) LGT/VAR LGT/VAR
20FT WND PM(MPH) LGT/VAR LGT/VAR S 7 NW 5
PRECIP AMOUNT 0.00 0.27 0.67 0.38
PRECIP DURATION 4 11 7
PRECIP BEGIN 12 PM CONTINUING CONTINUING
PRECIP END CONTINUING CONTINUING 6 PM
MIXING HGT (FT-AGL) 390 3420 440 4830
TRANSPORT WND (KTS) NW 4 S 9 SW 8 NW 13
VENT RATE (KT-FT) 1560 30780 3520 62790
MAX ADI EARLY 104 VERY GOOD27 FAIR 28 FAIR 27 FAIR
MAX ADI LATE 4 VERY POOR 47 GEN GOOD 15 GEN POOR 83 GOOD
MAX LVORI EARLY 6 3 9 4
MAX LVORI LATE 6 3 9 4
MIN VSBY EARLY 10 10 1 FOG 3 FOG
MIN VSBY LATE 10 3 FOG 2 FOG 5 FOG
SUNSHINE HOURS N/A N/A N/A N/A
CWR 0 80 80 70
REMARKS...NONE.
FORECAST FOR DAYS 3 THROUGH 7
TUESDAY NIGHT
MOSTLY CLEAR WITH A CHANCE OF SHOWERS. LOWS IN
THE UPPER 50S. NORTHWEST WINDS AROUND 5 MPH.
WEDNESDAY AND WEDNESDAY NIGHT
MOSTLY CLEAR. LOWS IN THE UPPER
50S. HIGHS IN THE LOWER 80S. NORTHWEST WINDS AROUND 5 MPH.
THURSDAY
SUNNY. HIGHS IN THE MID 80S. SOUTHWEST WINDS AROUND
5 MPH.
THURSDAY NIGHT
MOSTLY CLOUDY WITH A CHANCE OF SHOWERS. LOWS IN
THE LOWER 60S. SOUTH WINDS AROUND 5 MPH.
FRIDAY AND FRIDAY NIGHT
MOSTLY CLOUDY. A CHANCE OF SHOWERS AND
THUNDERSTORMS. LOWS IN THE LOWER 60S. HIGHS IN THE UPPER 70S.
SOUTHWEST WINDS 5 TO 10 MPH.
SATURDAY
PARTLY SUNNY WITH A CHANCE OF SHOWERS. HIGHS IN THE
MID 80S. WEST WINDS AROUND 5 MPH.
SATURDAY NIGHT
PARTLY CLOUDY. LOWS AROUND 60. NORTHWEST WINDS
AROUND 5 MPH.
SUNDAY
SUNNY. HIGHS IN THE MID 80S. NORTHWEST WINDS AROUND
5 MPH.
CTZ004-220800-
WINDHAM-
INCLUDING THE CITIES OF CHAPLIN, WILLIMANTIC, ASHFORD, PUTNAM,
DANIELSON, AND KILLINGLY
409 PM EDT SUN JUN 21 2026
TONIGHT MON MON NIGHT TUE
CLOUD COVER MCLEAR MCLDY MCLDY MCLDY
PRECIP TYPE NONE TSTMS TSTMS TSTMS
CHANCE PRECIP (%) 10 70 90 80
CHANCE OF THUNDER (%) 0 20 30 20
TEMP (24H TREND) 55 (+1) 76 (-3) 59 77
RH % (24H TREND) 96 (-4) 48 (+16) 100 64
20FT WND AM(MPH) LGT/VAR LGT/VAR
20FT WND PM(MPH) LGT/VAR LGT/VAR S 6 NW 5
PRECIP AMOUNT 0.00 0.26 0.52 0.40
PRECIP DURATION 3 11 7
PRECIP BEGIN 1 PM CONTINUING CONTINUING
PRECIP END CONTINUING CONTINUING CONTINUING
MIXING HGT (FT-AGL) 400 3820 450 4580
TRANSPORT WND (KTS) NW 4 S 9 SW 9 NW 12
VENT RATE (KT-FT) 1600 34380 4050 54960
MAX ADI EARLY 105 VERY GOOD33 FAIR 21 FAIR 23 FAIR
MAX ADI LATE 4 VERY POOR 53 GEN GOOD 12 POOR 40 FAIR
MAX LVORI EARLY 7 3 9 4
MAX LVORI LATE 7 3 9 4
MIN VSBY EARLY 10 10 1 FOG 3 FOG
MIN VSBY LATE 10 5 FOG 1 FOG 5 FOG
SUNSHINE HOURS N/A N/A N/A N/A
CWR 0 70 80 70
REMARKS...NONE.
FORECAST FOR DAYS 3 THROUGH 7
TUESDAY NIGHT
MOSTLY CLEAR WITH A CHANCE OF SHOWERS. LOWS IN
THE UPPER 50S. NORTHWEST WINDS AROUND 5 MPH.
WEDNESDAY AND WEDNESDAY NIGHT
MOSTLY CLEAR. LOWS IN THE UPPER
50S. HIGHS IN THE LOWER 80S. NORTHWEST WINDS AROUND 5 MPH.
THURSDAY
SUNNY. HIGHS IN THE MID 80S. SOUTHWEST WINDS AROUND
5 MPH.
THURSDAY NIGHT
PARTLY CLOUDY WITH A CHANCE OF SHOWERS. LOWS IN
THE LOWER 60S. SOUTH WINDS AROUND 5 MPH.
FRIDAY AND FRIDAY NIGHT
MOSTLY CLOUDY. A CHANCE OF SHOWERS AND
THUNDERSTORMS. LOWS IN THE LOWER 60S. HIGHS AROUND 80. SOUTHWEST
WINDS 5 TO 10 MPH.
SATURDAY
PARTLY SUNNY WITH A CHANCE OF SHOWERS. HIGHS IN THE
MID 80S. WEST WINDS AROUND 5 MPH.
SATURDAY NIGHT
PARTLY CLOUDY WITH A CHANCE OF SHOWERS. LOWS IN
THE LOWER 60S. WEST WINDS AROUND 5 MPH.
SUNDAY
SUNNY. HIGHS IN THE MID 80S. NORTHWEST WINDS AROUND
5 MPH.
RIZ001-220800-
NORTHWEST PROVIDENCE-
INCLUDING THE CITIES OF BLACKSTONE, NORTH SMITHFIELD, WOONSOCKET,
AND CENTRAL FALLS
409 PM EDT SUN JUN 21 2026
TONIGHT MON MON NIGHT TUE
CLOUD COVER MCLEAR MCLDY MCLDY MCLDY
PRECIP TYPE NONE TSTMS TSTMS TSTMS
CHANCE PRECIP (%) 10 70 80 80
CHANCE OF THUNDER (%) 0 20 20 20
TEMP (24H TREND) 57 (+1) 76 (-3) 60 76
RH % (24H TREND) 93 (-4) 48 (+13) 100 74
20FT WND AM(MPH) LGT/VAR LGT/VAR
20FT WND PM(MPH) LGT/VAR LGT/VAR S 5 NW 5
PRECIP AMOUNT 0.00 0.25 0.45 0.58
PRECIP DURATION 3 9 8
PRECIP BEGIN 1 PM CONTINUING CONTINUING
PRECIP END CONTINUING CONTINUING CONTINUING
MIXING HGT (FT-AGL) 390 4210 500 3880
TRANSPORT WND (KTS) NW 5 S 12 SW 11 NW 12
VENT RATE (KT-FT) 1950 50520 5500 46560
MAX ADI EARLY 105 VERY GOOD43 GEN GOOD 23 FAIR 23 FAIR
MAX ADI LATE 6 VERY POOR 60 GEN GOOD 14 GEN POOR 36 FAIR
MAX LVORI EARLY 6 3 8 4
MAX LVORI LATE 6 3 8 4
MIN VSBY EARLY 10 10 1 FOG 2 FOG
MIN VSBY LATE 10 6 FOG 2 FOG 2 FOG
SUNSHINE HOURS N/A N/A N/A N/A
CWR 0 70 70 70
REMARKS...NONE.
FORECAST FOR DAYS 3 THROUGH 7
TUESDAY NIGHT
PARTLY CLOUDY WITH A CHANCE OF SHOWERS. LOWS IN
THE UPPER 50S. NORTHWEST WINDS AROUND 5 MPH.
WEDNESDAY AND WEDNESDAY NIGHT
MOSTLY CLEAR. LOWS IN THE UPPER
50S. HIGHS IN THE LOWER 80S. WEST WINDS AROUND 5 MPH.
THURSDAY
SUNNY. HIGHS IN THE LOWER 80S. WEST WINDS AROUND
5 MPH, BECOMING SOUTHWEST AROUND 5 MPH IN THE AFTERNOON.
THURSDAY NIGHT
PARTLY CLOUDY WITH A CHANCE OF SHOWERS. LOWS IN
THE LOWER 60S. SOUTH WINDS AROUND 5 MPH.
FRIDAY AND FRIDAY NIGHT
MOSTLY CLOUDY. A CHANCE OF SHOWERS.
LOWS IN THE MID 60S. HIGHS IN THE UPPER 70S. SOUTHWEST WINDS 5 TO
10 MPH.
SATURDAY
PARTLY SUNNY WITH A CHANCE OF SHOWERS. HIGHS IN THE
MID 80S. WEST WINDS AROUND 5 MPH.
SATURDAY NIGHT
PARTLY CLOUDY WITH A CHANCE OF SHOWERS. LOWS IN
THE LOWER 60S. WEST WINDS AROUND 5 MPH.
SUNDAY
SUNNY. HIGHS IN THE MID 80S. NORTHWEST WINDS AROUND
5 MPH.
RIZ002-220800-
SOUTHEAST PROVIDENCE-
INCLUDING THE CITIES OF PROVIDENCE, CRANSTON, PAWTUCKET,
AND EAST PROVIDENCE
409 PM EDT SUN JUN 21 2026
TONIGHT MON MON NIGHT TUE
CLOUD COVER MCLEAR MCLDY MCLDY MCLDY
PRECIP TYPE NONE TSTMS TSTMS TSTMS
CHANCE PRECIP (%) 10 60 80 80
CHANCE OF THUNDER (%) 0 20 30 20
TEMP (24H TREND) 59 (0) 78 (-3) 61 78
RH % (24H TREND) 90 (+9) 50 (+16) 100 71
20FT WND AM(MPH) LGT/VAR SW 5
20FT WND PM(MPH) LGT/VAR S 5 S 5 NW 5
PRECIP AMOUNT 0.00 0.33 0.40 0.51
PRECIP DURATION 2 7 8
PRECIP BEGIN 1 PM CONTINUING CONTINUING
PRECIP END CONTINUING CONTINUING CONTINUING
MIXING HGT (FT-AGL) 390 3800 520 3680
TRANSPORT WND (KTS) NW 5 S 8 SW 11 NW 11
VENT RATE (KT-FT) 1950 30400 5720 40480
MAX ADI EARLY 105 VERY GOOD41 GEN GOOD 22 FAIR 24 FAIR
MAX ADI LATE 5 VERY POOR 38 FAIR 16 GEN POOR 34 FAIR
MAX LVORI EARLY 5 3 7 4
MAX LVORI LATE 5 3 7 4
MIN VSBY EARLY 10 10 1 FOG 2 FOG
MIN VSBY LATE 10 6 FOG 2 FOG 3 FOG
SUNSHINE HOURS N/A N/A N/A N/A
CWR 0 60 70 80
REMARKS...NONE.
FORECAST FOR DAYS 3 THROUGH 7
TUESDAY NIGHT
PARTLY CLOUDY WITH A CHANCE OF SHOWERS. LOWS IN
THE LOWER 60S. NORTHWEST WINDS AROUND 5 MPH.
WEDNESDAY
SUNNY. HIGHS IN THE MID 80S. NORTHWEST WINDS AROUND
5 MPH.
WEDNESDAY NIGHT
MOSTLY CLEAR. LOWS AROUND 60. WEST WINDS
AROUND 5 MPH.
THURSDAY
SUNNY. HIGHS IN THE MID 80S. SOUTHWEST WINDS 5 TO
10 MPH.
THURSDAY NIGHT
PARTLY CLOUDY. LOWS IN THE MID 60S. SOUTH WINDS
5 TO 10 MPH.
FRIDAY AND FRIDAY NIGHT
MOSTLY CLOUDY. A CHANCE OF SHOWERS.
LOWS IN THE MID 60S. HIGHS IN THE LOWER 80S. SOUTHWEST WINDS 5 TO
10 MPH.
SATURDAY
PARTLY SUNNY WITH A CHANCE OF SHOWERS. HIGHS IN THE
MID 80S. WEST WINDS AROUND 5 MPH.
SATURDAY NIGHT
PARTLY CLOUDY WITH A CHANCE OF SHOWERS. LOWS IN
THE MID 60S. WEST WINDS AROUND 5 MPH.
SUNDAY
SUNNY. HIGHS IN THE UPPER 80S. NORTHWEST WINDS AROUND
5 MPH.
RIZ003-220800-
WESTERN KENT-
INCLUDING THE CITY OF COVENTRY
409 PM EDT SUN JUN 21 2026
TONIGHT MON MON NIGHT TUE
CLOUD COVER MCLEAR MCLDY MCLDY MCLDY
PRECIP TYPE NONE TSTMS TSTMS TSTMS
CHANCE PRECIP (%) 10 70 80 80
CHANCE OF THUNDER (%) 0 20 30 20
TEMP (24H TREND) 57 (+2) 75 (-4) 60 76
RH % (24H TREND) 90 (0) 50 (+14) 100 74
20FT WND AM(MPH) LGT/VAR SW 5
20FT WND PM(MPH) LGT/VAR S 5 S 5 NW 5
PRECIP AMOUNT 0.00 0.30 0.36 0.43
PRECIP DURATION 3 8 8
PRECIP BEGIN 1 PM CONTINUING CONTINUING
PRECIP END CONTINUING CONTINUING CONTINUING
MIXING HGT (FT-AGL) 390 3690 470 3670
TRANSPORT WND (KTS) NW 5 S 9 S 12 NW 11
VENT RATE (KT-FT) 1950 33210 5640 40370
MAX ADI EARLY 104 VERY GOOD44 GEN GOOD 21 FAIR 24 FAIR
MAX ADI LATE 5 VERY POOR 40 FAIR 14 GEN POOR 33 FAIR
MAX LVORI EARLY 5 3 7 4
MAX LVORI LATE 5 3 7 4
MIN VSBY EARLY 10 10 1 FOG 2 FOG
MIN VSBY LATE 10 6 FOG 2 FOG 5 FOG
SUNSHINE HOURS N/A N/A N/A N/A
CWR 0 60 70 70
REMARKS...NONE.
FORECAST FOR DAYS 3 THROUGH 7
TUESDAY NIGHT
PARTLY CLOUDY WITH A CHANCE OF SHOWERS. LOWS
AROUND 60. NORTHWEST WINDS AROUND 5 MPH.
WEDNESDAY
SUNNY. HIGHS IN THE LOWER 80S. NORTHWEST WINDS
AROUND 5 MPH.
WEDNESDAY NIGHT
MOSTLY CLEAR. LOWS IN THE UPPER 50S. WEST
WINDS AROUND 5 MPH.
THURSDAY
SUNNY. HIGHS IN THE LOWER 80S. WEST WINDS AROUND
5 MPH, BECOMING SOUTHWEST AROUND 5 MPH IN THE AFTERNOON.
THURSDAY NIGHT
PARTLY CLOUDY. LOWS IN THE LOWER 60S. SOUTH
WINDS AROUND 5 MPH.
FRIDAY AND FRIDAY NIGHT
MOSTLY CLOUDY. A CHANCE OF SHOWERS.
LOWS IN THE LOWER 60S. HIGHS IN THE UPPER 70S. SOUTHWEST WINDS
5 TO 10 MPH.
SATURDAY
PARTLY SUNNY WITH A CHANCE OF SHOWERS. HIGHS IN THE
MID 80S. WEST WINDS AROUND 5 MPH.
SATURDAY NIGHT
PARTLY CLOUDY. LOWS IN THE LOWER 60S. WEST
WINDS AROUND 5 MPH.
SUNDAY
SUNNY. HIGHS IN THE MID 80S. WEST WINDS AROUND 5 MPH.
RIZ004-220800-
EASTERN KENT-
INCLUDING THE CITIES OF EAST GREENWICH, WARWICK, AND WEST WARWICK
409 PM EDT SUN JUN 21 2026
TONIGHT MON MON NIGHT TUE
CLOUD COVER PCLDY MCLDY MCLDY MCLDY
PRECIP TYPE NONE TSTMS TSTMS TSTMS
CHANCE PRECIP (%) 10 60 80 90
CHANCE OF THUNDER (%) 0 20 30 20
TEMP (24H TREND) 60 (+1) 79 (-2) 62 78
RH % (24H TREND) 87 (+9) 48 (+16) 100 64
20FT WND AM(MPH) LGT/VAR SW 6
20FT WND PM(MPH) LGT/VAR S 5 S 6 NW 5
PRECIP AMOUNT 0.00 0.27 0.33 0.49
PRECIP DURATION 2 7 9
PRECIP BEGIN 1 PM CONTINUING CONTINUING
PRECIP END CONTINUING CONTINUING CONTINUING
MIXING HGT (FT-AGL) 390 3080 520 3690
TRANSPORT WND (KTS) NW 5 S 8 SW 12 NW 11
VENT RATE (KT-FT) 1950 24640 6240 40590
MAX ADI EARLY 88 GOOD 27 FAIR 20 GEN POOR 26 FAIR
MAX ADI LATE 5 VERY POOR 29 FAIR 15 GEN POOR 33 FAIR
MAX LVORI EARLY 5 3 7 4
MAX LVORI LATE 5 3 7 4
MIN VSBY EARLY 10 10 1 FOG 2 FOG
MIN VSBY LATE 10 6 FOG 2 FOG 4 FOG
SUNSHINE HOURS N/A N/A N/A N/A
CWR 0 60 70 80
REMARKS...NONE.
FORECAST FOR DAYS 3 THROUGH 7
TUESDAY NIGHT
PARTLY CLOUDY WITH A CHANCE OF SHOWERS. LOWS IN
THE LOWER 60S. NORTHWEST WINDS AROUND 5 MPH.
WEDNESDAY
SUNNY. HIGHS IN THE MID 80S. NORTHWEST WINDS AROUND
5 MPH.
WEDNESDAY NIGHT
MOSTLY CLEAR. LOWS IN THE LOWER 60S. WEST
WINDS AROUND 5 MPH.
THURSDAY
SUNNY. HIGHS IN THE LOWER 80S. WEST WINDS AROUND
5 MPH, BECOMING SOUTH IN THE AFTERNOON.
THURSDAY NIGHT
PARTLY CLOUDY. LOWS IN THE MID 60S. SOUTH WINDS
5 TO 10 MPH.
FRIDAY AND FRIDAY NIGHT
MOSTLY CLOUDY. A CHANCE OF SHOWERS.
LOWS IN THE MID 60S. HIGHS AROUND 80. SOUTHWEST WINDS 5 TO
10 MPH.
SATURDAY
PARTLY SUNNY WITH A CHANCE OF SHOWERS. HIGHS IN THE
MID 80S. WEST WINDS AROUND 5 MPH.
SATURDAY NIGHT
PARTLY CLOUDY. LOWS IN THE MID 60S. WEST WINDS
AROUND 5 MPH.
SUNDAY
SUNNY. HIGHS IN THE MID 80S. NORTHWEST WINDS AROUND
5 MPH, BECOMING WEST IN THE AFTERNOON.
RIZ005-220800-
BRISTOL-
INCLUDING THE CITIES OF BRISTOL, WARREN, AND BARRINGTON
409 PM EDT SUN JUN 21 2026
TONIGHT MON MON NIGHT TUE
CLOUD COVER PCLDY PCLDY MCLDY MCLDY
PRECIP TYPE NONE TSTMS TSTMS TSTMS
CHANCE PRECIP (%) 10 60 80 90
CHANCE OF THUNDER (%) 0 10 30 30
TEMP (24H TREND) 60 (-1) 78 (-1) 62 78
RH % (24H TREND) 87 (0) 52 (+14) 100 76
20FT WND AM(MPH) LGT/VAR SW 7
20FT WND PM(MPH) W 5 S 6 S 7 NW 6
PRECIP AMOUNT 0.00 0.19 0.36 0.57
PRECIP DURATION 2 6 9
PRECIP BEGIN 1 PM CONTINUING CONTINUING
PRECIP END CONTINUING CONTINUING CONTINUING
MIXING HGT (FT-AGL) 390 2510 540 3490
TRANSPORT WND (KTS) NW 4 S 8 S 15 N 11
VENT RATE (KT-FT) 1560 20080 8100 38390
MAX ADI EARLY 57 GEN GOOD 24 FAIR 18 GEN POOR 23 FAIR
MAX ADI LATE 4 VERY POOR 24 FAIR 16 GEN POOR 31 FAIR
MAX LVORI EARLY 5 4 10 4
MAX LVORI LATE 5 4 10 4
MIN VSBY EARLY 10 10 1 FOG 2 FOG
MIN VSBY LATE 10 6 FOG 2 FOG 3 FOG
SUNSHINE HOURS N/A N/A N/A N/A
CWR 0 50 70 80
REMARKS...NONE.
FORECAST FOR DAYS 3 THROUGH 7
TUESDAY NIGHT
PARTLY CLOUDY WITH A CHANCE OF SHOWERS. LOWS IN
THE LOWER 60S. NORTHWEST WINDS AROUND 5 MPH.
WEDNESDAY
SUNNY. HIGHS IN THE LOWER 80S. NORTHWEST WINDS
AROUND 5 MPH.
WEDNESDAY NIGHT
MOSTLY CLEAR. LOWS IN THE LOWER 60S. WEST
WINDS AROUND 5 MPH.
THURSDAY
SUNNY. HIGHS IN THE LOWER 80S. WEST WINDS AROUND
5 MPH, BECOMING SOUTH IN THE AFTERNOON.
THURSDAY NIGHT
PARTLY CLOUDY. LOWS IN THE MID 60S. SOUTH WINDS
5 TO 10 MPH.
FRIDAY AND FRIDAY NIGHT
MOSTLY CLOUDY. A CHANCE OF SHOWERS.
LOWS IN THE MID 60S. HIGHS IN THE UPPER 70S. SOUTHWEST WINDS 5 TO
10 MPH.
SATURDAY
PARTLY SUNNY. HIGHS IN THE MID 80S. WEST WINDS 5 TO
10 MPH.
SATURDAY NIGHT AND SUNDAY
PARTLY CLOUDY. LOWS IN THE MID 60S.
HIGHS IN THE MID 80S. SOUTHWEST WINDS 5 TO 10 MPH.
RIZ006-220800-
WASHINGTON-
INCLUDING THE CITIES OF NORTH KINGSTOWN, WESTERLY, NARRAGANSETT,
HOPKINTON, AND RICHMOND
409 PM EDT SUN JUN 21 2026
TONIGHT MON MON NIGHT TUE
CLOUD COVER PCLDY MCLDY MCLDY MCLDY
PRECIP TYPE NONE TSTMS TSTMS TSTMS
CHANCE PRECIP (%) 10 60 80 90
CHANCE OF THUNDER (%) 0 20 30 20
TEMP (24H TREND) 57 (+1) 77 (-1) 60 78
RH % (24H TREND) 93 (-7) 52 (+14) 100 69
20FT WND AM(MPH) LGT/VAR SW 6
20FT WND PM(MPH) LGT/VAR SE 5 S 6 NW 5
PRECIP AMOUNT 0.00 0.16 0.30 0.58
PRECIP DURATION 3 6 9
PRECIP BEGIN 1 PM CONTINUING CONTINUING
PRECIP END CONTINUING CONTINUING 6 PM
MIXING HGT (FT-AGL) 390 2630 450 3760
TRANSPORT WND (KTS) NW 4 S 7 SW 13 NW 9
VENT RATE (KT-FT) 1560 18410 5850 33840
MAX ADI EARLY 40 FAIR 20 GEN POOR 20 GEN POOR 21 FAIR
MAX ADI LATE 5 VERY POOR 17 GEN POOR 15 GEN POOR 29 FAIR
MAX LVORI EARLY 6 4 6 4
MAX LVORI LATE 6 4 6 4
MIN VSBY EARLY 10 10 1 FOG 2 FOG
MIN VSBY LATE 10 6 FOG 2 FOG 3 FOG
SUNSHINE HOURS N/A N/A N/A N/A
CWR 0 50 70 80
REMARKS...NONE.
FORECAST FOR DAYS 3 THROUGH 7
TUESDAY NIGHT
PARTLY CLOUDY WITH A CHANCE OF SHOWERS. LOWS
AROUND 60. NORTHWEST WINDS AROUND 5 MPH.
WEDNESDAY
SUNNY. HIGHS IN THE LOWER 80S. WEST WINDS 5 TO
10 MPH.
WEDNESDAY NIGHT
MOSTLY CLEAR. LOWS IN THE UPPER 50S. WEST
WINDS 5 TO 10 MPH.
THURSDAY
SUNNY. HIGHS AROUND 80. WEST WINDS AROUND 5 MPH,
BECOMING SOUTH IN THE AFTERNOON.
THURSDAY NIGHT
PARTLY CLOUDY. LOWS IN THE LOWER 60S. SOUTH
WINDS 5 TO 10 MPH.
FRIDAY
PARTLY SUNNY WITH A CHANCE OF SHOWERS. HIGHS IN THE
UPPER 70S. SOUTH WINDS 5 TO 10 MPH.
FRIDAY NIGHT
MOSTLY CLOUDY WITH A CHANCE OF SHOWERS. LOWS IN
THE MID 60S. SOUTHWEST WINDS 5 TO 10 MPH.
SATURDAY AND SATURDAY NIGHT
PARTLY CLOUDY. LOWS IN THE LOWER
60S. HIGHS IN THE LOWER 80S. NORTHWEST WINDS 5 TO 10 MPH.
SUNDAY
SUNNY. HIGHS IN THE LOWER 80S. NORTHWEST WINDS AROUND
5 MPH, BECOMING SOUTHWEST IN THE AFTERNOON.
RIZ007-220800-
NEWPORT-
INCLUDING THE CITIES OF JAMESTOWN, NEWPORT, AND TIVERTON
409 PM EDT SUN JUN 21 2026
TONIGHT MON MON NIGHT TUE
CLOUD COVER PCLDY PCLDY MCLDY MCLDY
PRECIP TYPE NONE TSTMS TSTMS TSTMS
CHANCE PRECIP (%) 10 50 80 90
CHANCE OF THUNDER (%) 0 10 30 30
TEMP (24H TREND) 61 (+1) 77 (+1) 62 77
RH % (24H TREND) 90 (+3) 50 (+13) 100 74
20FT WND AM(MPH) LGT/VAR SW 8
20FT WND PM(MPH) W 6 S 6 S 8 NW 7
PRECIP AMOUNT 0.00 0.09 0.25 0.62
PRECIP DURATION 1 5 9
PRECIP BEGIN 1 PM CONTINUING CONTINUING
PRECIP END CONTINUING CONTINUING 6 PM
MIXING HGT (FT-AGL) 380 1770 480 2840
TRANSPORT WND (KTS) NW 4 S 7 S 15 N 9
VENT RATE (KT-FT) 1520 12390 7200 25560
MAX ADI EARLY 19 GEN POOR 10 POOR 18 GEN POOR 15 GEN POOR
MAX ADI LATE 4 VERY POOR 13 GEN POOR 18 GEN POOR 20 GEN POOR
MAX LVORI EARLY 5 4 10 5
MAX LVORI LATE 5 4 10 5
MIN VSBY EARLY 10 10 1 FOG 2 FOG
MIN VSBY LATE 10 7 2 FOG 3 FOG
SUNSHINE HOURS N/A N/A N/A N/A
CWR 0 40 70 80
REMARKS...NONE.
FORECAST FOR DAYS 3 THROUGH 7
TUESDAY NIGHT
PARTLY CLOUDY WITH A CHANCE OF SHOWERS. LOWS IN
THE LOWER 60S. NORTHWEST WINDS AROUND 5 MPH.
WEDNESDAY
SUNNY. HIGHS IN THE LOWER 80S. WEST WINDS 5 TO
10 MPH.
WEDNESDAY NIGHT
MOSTLY CLEAR. LOWS IN THE LOWER 60S. WEST
WINDS 5 TO 10 MPH.
THURSDAY
SUNNY. HIGHS IN THE UPPER 70S. WEST WINDS AROUND
5 MPH, BECOMING SOUTH IN THE AFTERNOON.
THURSDAY NIGHT
PARTLY CLOUDY. LOWS IN THE MID 60S. SOUTH WINDS
5 TO 10 MPH.
FRIDAY AND FRIDAY NIGHT
MOSTLY CLOUDY. A CHANCE OF SHOWERS.
LOWS IN THE MID 60S. HIGHS IN THE MID 70S. SOUTHWEST WINDS 5 TO
10 MPH.
SATURDAY
PARTLY SUNNY. HIGHS IN THE LOWER 80S. SOUTHWEST WINDS
5 TO 10 MPH.
SATURDAY NIGHT
PARTLY CLOUDY. LOWS IN THE MID 60S. WEST WINDS
5 TO 10 MPH.
SUNDAY
SUNNY. HIGHS IN THE LOWER 80S. NORTHWEST WINDS AROUND
5 MPH, BECOMING SOUTHWEST IN THE AFTERNOON.
RIZ008-220800-
BLOCK ISLAND-
INCLUDING THE CITY OF BLOCK ISLAND
409 PM EDT SUN JUN 21 2026
TONIGHT MON MON NIGHT TUE
CLOUD COVER PCLDY MCLDY MCLDY MCLDY
PRECIP TYPE NONE TSTMS TSTMS TSTMS
CHANCE PRECIP (%) 50 80 90
CHANCE OF THUNDER (%) 0 10 30 20
TEMP (24H TREND) 60 (-1) 74 (+3) 61 76
RH % (24H TREND) 93 (+3) 62 (+7) 100 69
20FT WND AM(MPH) LGT/VAR SW 9 G17
20FT WND PM(MPH) SW 9 SE 6 S 10 G18 W 7
PRECIP AMOUNT 0.00 0.06 0.18 0.39
PRECIP DURATION 1 5 8
PRECIP BEGIN 1 PM CONTINUING CONTINUING
PRECIP END CONTINUING CONTINUING 6 PM
MIXING HGT (FT-AGL) 280 680 610 650
TRANSPORT WND (KTS) NW 3 S 14 S 18 S 14
VENT RATE (KT-FT) 840 9520 10980 9100
MAX ADI EARLY 22 FAIR 8 POOR 22 FAIR 14 GEN POOR
MAX ADI LATE 8 POOR 18 GEN POOR 22 FAIR 13 GEN POOR
MAX LVORI EARLY 7 4 10 5
MAX LVORI LATE 7 4 10 5
MIN VSBY EARLY 10 10 1 FOG 1 FOG
MIN VSBY LATE 10 10 2 FOG 5 FOG
SUNSHINE HOURS N/A N/A N/A N/A
CWR 0 30 60 70
REMARKS...NONE.
FORECAST FOR DAYS 3 THROUGH 7
TUESDAY NIGHT
PARTLY CLOUDY WITH A CHANCE OF SHOWERS. LOWS IN
THE LOWER 60S. NORTHWEST WINDS AROUND 5 MPH.
WEDNESDAY
SUNNY. HIGHS IN THE MID 70S. NORTHWEST WINDS AROUND
5 MPH, BECOMING SOUTHWEST IN THE AFTERNOON.
WEDNESDAY NIGHT
MOSTLY CLEAR. LOWS IN THE LOWER 60S. WEST
WINDS 5 TO 10 MPH.
THURSDAY
SUNNY. HIGHS IN THE LOWER 70S. SOUTHWEST WINDS 5 TO
10 MPH.
THURSDAY NIGHT
PARTLY CLOUDY. LOWS IN THE MID 60S. SOUTH WINDS
5 TO 10 MPH.
FRIDAY AND FRIDAY NIGHT
MOSTLY CLOUDY. A CHANCE OF SHOWERS.
LOWS IN THE MID 60S. HIGHS IN THE LOWER 70S. SOUTHWEST WINDS 5 TO
10 MPH.
SATURDAY
MOSTLY SUNNY WITH A CHANCE OF SHOWERS. HIGHS IN THE
MID 70S. SOUTHWEST WINDS 5 TO 10 MPH.
SATURDAY NIGHT
PARTLY CLOUDY. LOWS IN THE MID 60S. WEST WINDS
5 TO 10 MPH.
SUNDAY
SUNNY. HIGHS IN THE MID 70S. NORTHWEST WINDS AROUND
5 MPH, BECOMING SOUTHWEST IN THE AFTERNOON.
MAZ017-220800-
NORTHERN BRISTOL-
INCLUDING THE CITIES OF EASTON, BERKLEY, FREETOWN, TAUNTON,
SEEKONK, AND ATTLEBOROUGH
409 PM EDT SUN JUN 21 2026
TONIGHT MON MON NIGHT TUE
CLOUD COVER MCLEAR PCLDY MCLDY MCLDY
PRECIP TYPE NONE TSTMS TSTMS TSTMS
CHANCE PRECIP (%) 10 60 80 80
CHANCE OF THUNDER (%) 0 10 30 20
TEMP (24H TREND) 57 (+1) 78 (-3) 60 77
RH % (24H TREND) 90 (-7) 44 (+10) 100 71
20FT WND AM(MPH) LGT/VAR LGT/VAR
20FT WND PM(MPH) LGT/VAR S 5 LGT/VAR NW 5
PRECIP AMOUNT 0.00 0.29 0.43 0.59
PRECIP DURATION 2 7 8
PRECIP BEGIN 2 PM CONTINUING CONTINUING
PRECIP END CONTINUING CONTINUING CONTINUING
MIXING HGT (FT-AGL) 390 4290 460 3550
TRANSPORT WND (KTS) NW 4 S 9 SW 11 NW 11
VENT RATE (KT-FT) 1560 38610 5060 39050
MAX ADI EARLY 89 GOOD 44 GEN GOOD 17 GEN POOR 23 FAIR
MAX ADI LATE 5 VERY POOR 51 GEN GOOD 15 GEN POOR 32 FAIR
MAX LVORI EARLY 6 3 8 4
MAX LVORI LATE 6 3 8 4
MIN VSBY EARLY 10 10 2 FOG 2 FOG
MIN VSBY LATE 10 6 FOG 2 FOG 2 FOG
SUNSHINE HOURS N/A N/A N/A N/A
CWR 0 60 70 80
REMARKS...NONE.
FORECAST FOR DAYS 3 THROUGH 7
TUESDAY NIGHT
PARTLY CLOUDY WITH A CHANCE OF SHOWERS. LOWS IN
THE UPPER 50S. NORTHWEST WINDS AROUND 5 MPH.
WEDNESDAY AND WEDNESDAY NIGHT
MOSTLY CLEAR. LOWS IN THE UPPER
50S. HIGHS IN THE MID 80S. WEST WINDS AROUND 5 MPH.
THURSDAY
SUNNY. HIGHS IN THE MID 80S. SOUTHWEST WINDS 5 TO
10 MPH.
THURSDAY NIGHT
PARTLY CLOUDY. LOWS IN THE LOWER 60S. SOUTH
WINDS AROUND 5 MPH.
FRIDAY AND FRIDAY NIGHT
MOSTLY CLOUDY. A CHANCE OF SHOWERS.
LOWS IN THE MID 60S. HIGHS IN THE LOWER 80S. SOUTHWEST WINDS 5 TO
10 MPH.
SATURDAY
PARTLY SUNNY WITH A CHANCE OF SHOWERS. HIGHS IN THE
UPPER 80S. WEST WINDS AROUND 5 MPH.
SATURDAY NIGHT
PARTLY CLOUDY WITH A CHANCE OF SHOWERS. LOWS IN
THE LOWER 60S. WEST WINDS AROUND 5 MPH.
SUNDAY
MOSTLY SUNNY. HIGHS IN THE UPPER 80S. NORTHWEST WINDS
AROUND 5 MPH.
MAZ018-220800-
WESTERN PLYMOUTH-
INCLUDING THE CITY OF BROCKTON
409 PM EDT SUN JUN 21 2026
TONIGHT MON MON NIGHT TUE
CLOUD COVER MCLEAR PCLDY MCLDY MCLDY
PRECIP TYPE NONE TSTMS TSTMS TSTMS
CHANCE PRECIP (%) 10 50 80 80
CHANCE OF THUNDER (%) 0 10 30 30
TEMP (24H TREND) 58 (+1) 79 (-2) 60 77
RH % (24H TREND) 90 (+3) 47 (+12) 100 74
20FT WND AM(MPH) LGT/VAR LGT/VAR
20FT WND PM(MPH) LGT/VAR S 5 LGT/VAR NW 5
PRECIP AMOUNT 0.00 0.17 0.32 0.53
PRECIP DURATION 1 6 9
PRECIP BEGIN 2 PM CONTINUING CONTINUING
PRECIP END CONTINUING CONTINUING CONTINUING
MIXING HGT (FT-AGL) 390 4560 460 3190
TRANSPORT WND (KTS) W 5 SW 9 SW 12 NW 11
VENT RATE (KT-FT) 1950 41040 5520 35090
MAX ADI EARLY 47 GEN GOOD 45 GEN GOOD 15 GEN POOR 22 FAIR
MAX ADI LATE 6 VERY POOR 55 GEN GOOD 17 GEN POOR 30 FAIR
MAX LVORI EARLY 6 2 8 4
MAX LVORI LATE 6 2 8 4
MIN VSBY EARLY 10 10 3 FOG 2 FOG
MIN VSBY LATE 10 7 2 FOG 3 FOG
SUNSHINE HOURS N/A N/A N/A N/A
CWR 0 50 60 80
REMARKS...NONE.
FORECAST FOR DAYS 3 THROUGH 7
TUESDAY NIGHT
PARTLY CLOUDY WITH A CHANCE OF SHOWERS. LOWS
AROUND 60. NORTHWEST WINDS AROUND 5 MPH.
WEDNESDAY AND WEDNESDAY NIGHT
MOSTLY CLEAR. LOWS AROUND 60.
HIGHS IN THE MID 80S. WEST WINDS AROUND 5 MPH.
THURSDAY
SUNNY. HIGHS IN THE MID 80S. SOUTHWEST WINDS AROUND
5 MPH.
THURSDAY NIGHT
PARTLY CLOUDY. LOWS IN THE LOWER 60S. SOUTH
WINDS AROUND 5 MPH.
FRIDAY
PARTLY SUNNY WITH A CHANCE OF SHOWERS. HIGHS IN THE
LOWER 80S. SOUTH WINDS 5 TO 10 MPH.
FRIDAY NIGHT AND SATURDAY
MOSTLY CLOUDY. A CHANCE OF SHOWERS.
LOWS IN THE MID 60S. HIGHS IN THE UPPER 80S. WEST WINDS AROUND
5 MPH.
SATURDAY NIGHT
PARTLY CLOUDY WITH A CHANCE OF SHOWERS. LOWS IN
THE LOWER 60S. WEST WINDS AROUND 5 MPH.
SUNDAY
MOSTLY SUNNY. HIGHS IN THE MID 80S. NORTHWEST WINDS
AROUND 5 MPH.
MAZ019-220800-
EASTERN PLYMOUTH-
INCLUDING THE CITIES OF PLYMOUTH, KINGSTON, HINGHAM, SCITUATE,
COHASSET, NORWELL, AND MARSHFIELD
409 PM EDT SUN JUN 21 2026
TONIGHT MON MON NIGHT TUE
CLOUD COVER MCLEAR PCLDY MCLDY MCLDY
PRECIP TYPE NONE TSTMS TSTMS TSTMS
CHANCE PRECIP (%) 10 50 80 80
CHANCE OF THUNDER (%) 0 10 30 30
TEMP (24H TREND) 59 (0) 80 (+2) 60 78
RH % (24H TREND) 93 (-7) 44 (+6) 100 66
20FT WND AM(MPH) LGT/VAR SW 6
20FT WND PM(MPH) LGT/VAR S 5 SE 5 NW 5
PRECIP AMOUNT 0.00 0.12 0.30 0.67
PRECIP DURATION 1 5 9
PRECIP BEGIN 2 PM CONTINUING CONTINUING
PRECIP END CONTINUING CONTINUING CONTINUING
MIXING HGT (FT-AGL) 380 2600 490 2370
TRANSPORT WND (KTS) W 5 S 7 S 12 NW 10
VENT RATE (KT-FT) 1900 18200 5880 23700
MAX ADI EARLY 7 POOR 11 POOR 14 GEN POOR 17 GEN POOR
MAX ADI LATE 6 VERY POOR 15 GEN POOR 19 GEN POOR 23 FAIR
MAX LVORI EARLY 6 3 6 5
MAX LVORI LATE 6 3 6 5
MIN VSBY EARLY 10 10 4 FOG 2 FOG
MIN VSBY LATE 10 8 2 FOG 2 FOG
SUNSHINE HOURS N/A N/A N/A N/A
CWR 0 40 60 80
REMARKS...NONE.
FORECAST FOR DAYS 3 THROUGH 7
TUESDAY NIGHT
PARTLY CLOUDY WITH A CHANCE OF SHOWERS. LOWS IN
THE LOWER 60S. NORTHWEST WINDS AROUND 5 MPH.
WEDNESDAY AND WEDNESDAY NIGHT
MOSTLY CLEAR. LOWS IN THE LOWER
60S. HIGHS IN THE LOWER 80S. WEST WINDS AROUND 5 MPH.
THURSDAY
SUNNY. HIGHS IN THE LOWER 80S. NORTHWEST WINDS AROUND
5 MPH, BECOMING SOUTHEAST IN THE AFTERNOON.
THURSDAY NIGHT
PARTLY CLOUDY. LOWS IN THE MID 60S. SOUTH WINDS
5 TO 10 MPH.
FRIDAY THROUGH SATURDAY
MOSTLY CLOUDY WITH A CHANCE OF
SHOWERS. LOWS IN THE MID 60S. HIGHS IN THE LOWER 80S. SOUTHWEST
WINDS 5 TO 10 MPH.
SATURDAY NIGHT
PARTLY CLOUDY WITH A CHANCE OF SHOWERS. LOWS IN
THE MID 60S. WEST WINDS AROUND 5 MPH.
SUNDAY
MOSTLY SUNNY. HIGHS IN THE MID 80S. NORTHWEST WINDS
AROUND 5 MPH, BECOMING EAST AROUND 5 MPH IN THE AFTERNOON.
MAZ020-220800-
SOUTHERN BRISTOL-
INCLUDING THE CITIES OF NEW BEDFORD AND FALL RIVER
409 PM EDT SUN JUN 21 2026
TONIGHT MON MON NIGHT TUE
CLOUD COVER MCLEAR PCLDY MCLDY MCLDY
PRECIP TYPE NONE TSTMS TSTMS TSTMS
CHANCE PRECIP (%) 10 50 80 80
CHANCE OF THUNDER (%) 0 10 30 30
TEMP (24H TREND) 59 (0) 81 (+3) 61 79
RH % (24H TREND) 90 (+3) 47 (+10) 100 71
20FT WND AM(MPH) LGT/VAR SW 7 G18
20FT WND PM(MPH) W 5 S 5 S 6 NW 6
PRECIP AMOUNT 0.00 0.09 0.26 0.60
PRECIP DURATION 1 5 9
PRECIP BEGIN 2 PM CONTINUING CONTINUING
PRECIP END CONTINUING CONTINUING 6 PM
MIXING HGT (FT-AGL) 380 3460 500 3260
TRANSPORT WND (KTS) NW 4 S 7 S 16 N 10
VENT RATE (KT-FT) 1520 24220 8000 32600
MAX ADI EARLY 47 GEN GOOD 31 FAIR 17 GEN POOR 18 GEN POOR
MAX ADI LATE 4 VERY POOR 28 FAIR 17 GEN POOR 27 FAIR
MAX LVORI EARLY 6 4 10 5
MAX LVORI LATE 6 4 10 5
MIN VSBY EARLY 10 10 1 FOG 2 FOG
MIN VSBY LATE 10 8 2 FOG 3 FOG
SUNSHINE HOURS N/A N/A N/A N/A
CWR 0 40 60 80
REMARKS...NONE.
FORECAST FOR DAYS 3 THROUGH 7
TUESDAY NIGHT
PARTLY CLOUDY WITH A CHANCE OF SHOWERS. LOWS IN
THE LOWER 60S. NORTHWEST WINDS AROUND 5 MPH.
WEDNESDAY
SUNNY. HIGHS IN THE LOWER 80S. WEST WINDS 5 TO
10 MPH.
WEDNESDAY NIGHT
MOSTLY CLEAR. LOWS IN THE LOWER 60S. WEST
WINDS 5 TO 10 MPH.
THURSDAY
SUNNY. HIGHS IN THE LOWER 80S. SOUTHWEST WINDS 5 TO
10 MPH.
THURSDAY NIGHT
PARTLY CLOUDY. LOWS IN THE MID 60S. SOUTH WINDS
5 TO 10 MPH.
FRIDAY AND FRIDAY NIGHT
MOSTLY CLOUDY. A CHANCE OF SHOWERS.
LOWS IN THE MID 60S. HIGHS AROUND 80. SOUTHWEST WINDS 5 TO
10 MPH.
SATURDAY
PARTLY SUNNY. HIGHS IN THE MID 80S. SOUTHWEST WINDS
5 TO 10 MPH.
SATURDAY NIGHT
PARTLY CLOUDY. LOWS IN THE MID 60S. WEST WINDS
5 TO 10 MPH.
SUNDAY
SUNNY. HIGHS IN THE MID 80S. NORTHWEST WINDS AROUND
5 MPH, BECOMING SOUTHWEST IN THE AFTERNOON.
MAZ021-220800-
SOUTHERN PLYMOUTH-
INCLUDING THE CITIES OF MATTAPOISETT, WAREHAM, MARION,
AND ROCHESTER
409 PM EDT SUN JUN 21 2026
TONIGHT MON MON NIGHT TUE
CLOUD COVER MCLEAR PCLDY MCLDY MCLDY
PRECIP TYPE NONE TSTMS TSTMS TSTMS
CHANCE PRECIP (%) 10 50 80 80
CHANCE OF THUNDER (%) 0 10 30 30
TEMP (24H TREND) 59 (0) 81 (+2) 62 79
RH % (24H TREND) 93 (+6) 49 (+10) 100 71
20FT WND AM(MPH) LGT/VAR SW 7 G19
20FT WND PM(MPH) LGT/VAR S 5 S 5 NW 5
PRECIP AMOUNT 0.00 0.07 0.23 0.73
PRECIP DURATION 1 4 9
PRECIP BEGIN 2 PM CONTINUING CONTINUING
PRECIP END CONTINUING CONTINUING 6 PM
MIXING HGT (FT-AGL) 380 3400 520 2870
TRANSPORT WND (KTS) NW 4 S 8 SW 15 N 10
VENT RATE (KT-FT) 1520 27200 7800 28700
MAX ADI EARLY 21 FAIR 29 FAIR 15 GEN POOR 21 FAIR
MAX ADI LATE 5 VERY POOR 30 FAIR 18 GEN POOR 26 FAIR
MAX LVORI EARLY 6 3 5 4
MAX LVORI LATE 6 3 5 4
MIN VSBY EARLY 10 10 1 FOG 2 FOG
MIN VSBY LATE 10 10 2 FOG 2 FOG
SUNSHINE HOURS N/A N/A N/A N/A
CWR 0 30 70 80
REMARKS...NONE.
FORECAST FOR DAYS 3 THROUGH 7
TUESDAY NIGHT
PARTLY CLOUDY WITH A CHANCE OF SHOWERS. LOWS IN
THE LOWER 60S. NORTHWEST WINDS AROUND 5 MPH.
WEDNESDAY AND WEDNESDAY NIGHT
MOSTLY CLEAR. LOWS IN THE LOWER
60S. HIGHS IN THE LOWER 80S. WEST WINDS 5 TO 10 MPH.
THURSDAY
SUNNY. HIGHS IN THE LOWER 80S. SOUTHWEST WINDS 5 TO
10 MPH.
THURSDAY NIGHT
PARTLY CLOUDY. LOWS IN THE MID 60S. SOUTH WINDS
5 TO 10 MPH.
FRIDAY AND FRIDAY NIGHT
MOSTLY CLOUDY. A CHANCE OF SHOWERS.
LOWS IN THE MID 60S. HIGHS AROUND 80. SOUTHWEST WINDS 5 TO
10 MPH.
SATURDAY
PARTLY SUNNY. HIGHS IN THE MID 80S. SOUTHWEST WINDS
5 TO 10 MPH.
SATURDAY NIGHT
PARTLY CLOUDY. LOWS IN THE MID 60S. WEST WINDS
5 TO 10 MPH.
SUNDAY
SUNNY. HIGHS IN THE MID 80S. NORTHWEST WINDS AROUND
5 MPH, BECOMING SOUTHWEST IN THE AFTERNOON.
MAZ022-220800-
BARNSTABLE-
INCLUDING THE CITIES OF BARNSTABLE AND HYANNIS
409 PM EDT SUN JUN 21 2026
TONIGHT MON MON NIGHT TUE
CLOUD COVER MCLEAR PCLDY MCLDY MCLDY
PRECIP TYPE NONE TSTMS TSTMS TSTMS
CHANCE PRECIP (%) 10 30 70 90
CHANCE OF THUNDER (%) 0 10 20 30
TEMP (24H TREND) 62 (+4) 80 (+4) 64 82
RH % (24H TREND) 97 (-3) 50 (+6) 100 58
20FT WND AM(MPH) LGT/VAR S 8 G17
20FT WND PM(MPH) W 5 S 5 S 5 NW 6
PRECIP AMOUNT 0.00 0.03 0.25 0.79
PRECIP DURATION 1 3 9
PRECIP BEGIN 2 PM CONTINUING CONTINUING
PRECIP END CONTINUING CONTINUING CONTINUING
MIXING HGT (FT-AGL) 350 2090 520 2200
TRANSPORT WND (KTS) W 5 S 7 S 12 N 11
VENT RATE (KT-FT) 1750 14630 6240 24200
MAX ADI EARLY 19 GEN POOR 10 POOR 19 GEN POOR 23 FAIR
MAX ADI LATE 5 VERY POOR 15 GEN POOR 20 GEN POOR 21 FAIR
MAX LVORI EARLY 6 3 9 4
MAX LVORI LATE 6 3 9 4
MIN VSBY EARLY 10 10 2 FOG 1 FOG
MIN VSBY LATE 10 10 1 FOG 2 FOG
SUNSHINE HOURS N/A N/A N/A N/A
CWR 0 20 60 90
REMARKS...NONE.
FORECAST FOR DAYS 3 THROUGH 7
TUESDAY NIGHT
PARTLY CLOUDY WITH A CHANCE OF SHOWERS. LOWS IN
THE MID 60S. NORTHWEST WINDS AROUND 5 MPH.
WEDNESDAY
SUNNY. HIGHS IN THE LOWER 80S. WEST WINDS 5 TO
10 MPH.
WEDNESDAY NIGHT
MOSTLY CLEAR. LOWS IN THE MID 60S. SOUTHWEST
WINDS 5 TO 10 MPH.
THURSDAY
SUNNY. HIGHS IN THE LOWER 80S. SOUTHWEST WINDS AROUND
5 MPH, BECOMING SOUTH IN THE AFTERNOON.
THURSDAY NIGHT
PARTLY CLOUDY. LOWS IN THE MID 60S. SOUTH WINDS
5 TO 10 MPH.
FRIDAY AND FRIDAY NIGHT
MOSTLY CLOUDY. A CHANCE OF SHOWERS.
LOWS IN THE UPPER 60S. HIGHS IN THE LOWER 80S. SOUTHWEST WINDS
5 TO 10 MPH.
SATURDAY
PARTLY SUNNY. HIGHS IN THE MID 80S. SOUTHWEST WINDS
5 TO 10 MPH.
SATURDAY NIGHT
PARTLY CLOUDY. LOWS IN THE UPPER 60S. WEST
WINDS 5 TO 10 MPH.
SUNDAY
SUNNY. HIGHS IN THE LOWER 80S. NORTHWEST WINDS AROUND
5 MPH, BECOMING SOUTH AROUND 5 MPH IN THE AFTERNOON.
MAZ023-220800-
DUKES-
INCLUDING THE CITIES OF AQUINNAH, CHILMARK, EDGARTOWN,
OAK BLUFFS, TISBURY, VINEYARD HAVEN, AND WEST TISBURY
409 PM EDT SUN JUN 21 2026
TONIGHT MON MON NIGHT TUE
CLOUD COVER MCLEAR PCLDY MCLDY MCLDY
PRECIP TYPE NONE TSTMS TSTMS TSTMS
CHANCE PRECIP (%) 40 70 90
CHANCE OF THUNDER (%) 0 10 20 30
TEMP (24H TREND) 61 (+4) 76 (+3) 62 80
RH % (24H TREND) 90 (-3) 54 (+3) 100 69
20FT WND AM(MPH) LGT/VAR SW 10 G20
20FT WND PM(MPH) W 8 G17 S 6 S 8 G17 NW 7
PRECIP AMOUNT 0.00 0.03 0.24 0.59
PRECIP DURATION 1 3 10
PRECIP BEGIN 2 PM CONTINUING CONTINUING
PRECIP END CONTINUING CONTINUING CONTINUING
MIXING HGT (FT-AGL) 310 950 580 1650
TRANSPORT WND (KTS) W 4 S 6 S 19 N 10
VENT RATE (KT-FT) 1240 5700 11020 16500
MAX ADI EARLY 24 FAIR 9 POOR 21 FAIR 1 VERY POOR
MAX ADI LATE 8 POOR 15 GEN POOR 22 FAIR 17 GEN POOR
MAX LVORI EARLY 6 3 10 5
MAX LVORI LATE 6 3 10 5
MIN VSBY EARLY 10 10 1 FOG 1 FOG
MIN VSBY LATE 10 10 1 FOG 4 FOG
SUNSHINE HOURS N/A N/A N/A N/A
CWR 0 20 70 90
REMARKS...NONE.
FORECAST FOR DAYS 3 THROUGH 7
TUESDAY NIGHT
PARTLY CLOUDY WITH A CHANCE OF SHOWERS. LOWS IN
THE LOWER 60S. NORTHWEST WINDS 5 TO 10 MPH.
WEDNESDAY
SUNNY. HIGHS IN THE UPPER 70S. NORTHWEST WINDS 5 TO
10 MPH, BECOMING SOUTHWEST IN THE AFTERNOON.
WEDNESDAY NIGHT
MOSTLY CLEAR. LOWS IN THE MID 60S. SOUTHWEST
WINDS 5 TO 10 MPH.
THURSDAY
SUNNY. HIGHS IN THE UPPER 70S. SOUTHWEST WINDS 5 TO
10 MPH.
THURSDAY NIGHT
PARTLY CLOUDY. LOWS IN THE MID 60S. SOUTH WINDS
5 TO 10 MPH.
FRIDAY
MOSTLY SUNNY WITH A CHANCE OF SHOWERS. HIGHS IN THE
UPPER 70S. SOUTH WINDS 5 TO 10 MPH.
FRIDAY NIGHT
MOSTLY CLOUDY WITH A CHANCE OF SHOWERS. LOWS IN
THE MID 60S. SOUTHWEST WINDS 5 TO 10 MPH.
SATURDAY
MOSTLY SUNNY WITH A CHANCE OF SHOWERS. HIGHS IN THE
UPPER 70S. SOUTHWEST WINDS AROUND 5 MPH, INCREASING TO 10 TO
15 MPH IN THE AFTERNOON.
SATURDAY NIGHT
PARTLY CLOUDY. LOWS IN THE MID 60S. WEST WINDS
10 TO 15 MPH.
SUNDAY
SUNNY. HIGHS AROUND 80. NORTHWEST WINDS AROUND 5 MPH,
BECOMING SOUTHWEST IN THE AFTERNOON.
MAZ024-220800-
NANTUCKET-
INCLUDING THE CITY OF NANTUCKET
409 PM EDT SUN JUN 21 2026
TONIGHT MON MON NIGHT TUE
CLOUD COVER MCLEAR PCLDY MCLDY MCLDY
PRECIP TYPE NONE TSTMS TSTMS TSTMS
CHANCE PRECIP (%) 20 60 90
CHANCE OF THUNDER (%) 0 0 20 20
TEMP (24H TREND) 63 (+2) 75 (+3) 64 79
RH % (24H TREND) 93 (+3) 66 (+2) 100 71
20FT WND AM(MPH) LGT/VAR S 12 G19
20FT WND PM(MPH) SW 8 S 6 S 8 G17 W 9 G17
PRECIP AMOUNT 0.00 0.01 0.10 0.60
PRECIP DURATION 0 2 10
PRECIP BEGIN 4 PM CONTINUING CONTINUING
PRECIP END CONTINUING CONTINUING CONTINUING
MIXING HGT (FT-AGL) 300 680 550 1140
TRANSPORT WND (KTS) W 5 S 9 S 14 N 12
VENT RATE (KT-FT) 1500 6120 7700 13680
MAX ADI EARLY 23 FAIR 9 POOR 21 FAIR 1 VERY POOR
MAX ADI LATE 11 POOR 15 GEN POOR 24 FAIR 18 GEN POOR
MAX LVORI EARLY 6 4 9 6
MAX LVORI LATE 6 4 9 6
MIN VSBY EARLY 10 10 2 FOG 1 FOG
MIN VSBY LATE 10 10 2 FOG 4 FOG
SUNSHINE HOURS N/A N/A N/A N/A
CWR 0 10 50 90
REMARKS...NONE.
FORECAST FOR DAYS 3 THROUGH 7
TUESDAY NIGHT
PARTLY CLOUDY WITH A CHANCE OF SHOWERS. LOWS IN
THE MID 60S. NORTHWEST WINDS 5 TO 10 MPH.
WEDNESDAY
SUNNY. HIGHS IN THE UPPER 70S. WEST WINDS 5 TO
10 MPH.
WEDNESDAY NIGHT AND THURSDAY
MOSTLY CLEAR. LOWS IN THE MID
60S. HIGHS IN THE MID 70S. SOUTHWEST WINDS 5 TO 10 MPH.
THURSDAY NIGHT AND FRIDAY
PARTLY CLOUDY. LOWS IN THE MID 60S.
HIGHS IN THE MID 70S. SOUTH WINDS 5 TO 10 MPH.
FRIDAY NIGHT AND SATURDAY
MOSTLY CLOUDY. A CHANCE OF SHOWERS.
LOWS IN THE MID 60S. HIGHS IN THE UPPER 70S. SOUTHWEST WINDS 5 TO
10 MPH.
SATURDAY NIGHT
PARTLY CLOUDY. LOWS IN THE UPPER 60S. WEST
WINDS 5 TO 10 MPH.
SUNDAY
SUNNY. HIGHS IN THE UPPER 70S. NORTHWEST WINDS AROUND
5 MPH, BECOMING SOUTHWEST IN THE AFTERNOON.
OUTLOOK 8 TO 14 DAYS
TEMPERATURES ABOVE NORMAL. PRECIPITATION ABOVE NORMAL.
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