419
FNUS51 KBOX 122009
FWFBOX
FIRE WEATHER PLANNING FORECAST FOR SOUTHERN NEW ENGLAND
NATIONAL WEATHER SERVICE BOSTON/NORTON MA
409 PM EDT TUE AUG 12 2025
DISCUSSION
HIGH PRESSURE REMAINS OVER THE REGION TUESDAY WITH DRY AND HOT
CONDITIONS. MINIMUM RELATIVE HUMIDITY EXPECTED 30 AND 45 PERCENT
TUESDAY.
OUTLOOK...WEDNESDAY THROUGH SATURDAY
MORE WIDESPREAD HEAT AND MODERATE HUMIDITY IS EXPECTED THROUGH
WEDNESDAY. THE HEAT MAY CONTINUE INTO THURSDAY BEFORE SOMEWHAT
COOLER TEMPERATURES RETURN BY FRIDAY. DRY WEATHER WILL CONTINUE
INTO WEDNESDAY, THEN A CHANCE OF SHOWERS AND THUNDERSTORMS
WEDNESDAY AFTERNOON INTO THURSDAY NIGHT.
MAZ015-130800-
SUFFOLK MA-
INCLUDING THE CITIES OF BOSTON, CHELSEA, REVERE, AND WINTHROP
409 PM EDT TUE AUG 12 2025
TONIGHT WED WED NIGHT THU
CLOUD COVER MCLEAR MCLEAR PCLDY MCLDY
PRECIP TYPE NONE NONE TSTMS TSTMS
CHANCE PRECIP (%) 10 30 70
CHANCE OF THUNDER (%) 0 0 20 40
TEMP (24H TREND) 69 (-1) 94 (+2) 72 88
RH % (24H TREND) 97 (+13) 44 (+12) 97 59
20FT WND AM(MPH) LGT/VAR LGT/VAR
20FT WND PM(MPH) S 5 S 7 SW 6 SW 5
PRECIP AMOUNT 0.00 0.00 0.06 0.29
PRECIP DURATION 2 7
PRECIP BEGIN 8 PM CONTINUING
PRECIP END CONTINUING CONTINUING
MIXING HGT (FT-AGL) 420 5430 470 3880
TRANSPORT WND (KTS) SW 8 SW 10 SW 14 SW 9
VENT RATE (KT-FT) 3360 54300 6580 34920
MAX ADI EARLY 12 POOR 27 FAIR 21 FAIR 20 GEN POOR
MAX ADI LATE 6 VERY POOR 51 GEN GOOD 8 POOR 26 FAIR
MAX LVORI EARLY 5 2 5 3
MAX LVORI LATE 5 2 5 3
MIN VSBY EARLY 9 9 9 5 FOG
MIN VSBY LATE 9 9 9 3 FOG
SUNSHINE HOURS N/A N/A N/A N/A
CWR 0 0 20 60
REMARKS...NONE.
FORECAST FOR DAYS 3 THROUGH 7
THURSDAY NIGHT
PARTLY CLOUDY WITH SHOWERS LIKELY AND A CHANCE
OF THUNDERSTORMS. LOWS IN THE UPPER 60S. WEST WINDS AROUND 5 MPH,
BECOMING NORTH AFTER MIDNIGHT.
FRIDAY
SUNNY. HIGHS IN THE UPPER 70S. NORTHEAST WINDS 5 TO
10 MPH.
FRIDAY NIGHT
MOSTLY CLEAR. LOWS IN THE LOWER 60S. SOUTHEAST
WINDS 5 TO 10 MPH, BECOMING SOUTHWEST AFTER MIDNIGHT.
SATURDAY
SUNNY. HIGHS IN THE MID 80S. SOUTH WINDS 5 TO 10 MPH.
SATURDAY NIGHT AND SUNDAY
MOSTLY CLEAR. LOWS IN THE UPPER 60S.
HIGHS IN THE UPPER 80S. SOUTHWEST WINDS 5 TO 10 MPH.
SUNDAY NIGHT AND MONDAY
PARTLY CLOUDY. NOT AS WARM. LOWS IN
THE UPPER 60S. HIGHS IN THE UPPER 70S. EAST WINDS 5 TO 10 MPH.
MONDAY NIGHT AND TUESDAY
PARTLY CLOUDY. LOWS IN THE LOWER 60S.
HIGHS IN THE MID 70S. NORTHEAST WINDS 5 TO 10 MPH.
MAZ016-130800-
EASTERN NORFOLK MA-
INCLUDING THE CITIES OF BRAINTREE, MILTON, QUINCY, AND WEYMOUTH
409 PM EDT TUE AUG 12 2025
TONIGHT WED WED NIGHT THU
CLOUD COVER MCLEAR MCLEAR PCLDY MCLDY
PRECIP TYPE NONE NONE TSTMS TSTMS
CHANCE PRECIP (%) 10 30 70
CHANCE OF THUNDER (%) 0 0 20 40
TEMP (24H TREND) 67 (-2) 93 (0) 71 87
RH % (24H TREND) 93 (+3) 47 (+14) 97 65
20FT WND AM(MPH) LGT/VAR LGT/VAR
20FT WND PM(MPH) S 5 S 7 SW 6 LGT/VAR
PRECIP AMOUNT 0.00 0.00 0.05 0.31
PRECIP DURATION 1 6
PRECIP BEGIN 8 PM CONTINUING
PRECIP END CONTINUING CONTINUING
MIXING HGT (FT-AGL) 360 5150 450 3570
TRANSPORT WND (KTS) SW 10 SW 12 SW 10 SW 9
VENT RATE (KT-FT) 3600 61800 4500 32130
MAX ADI EARLY 14 GEN POOR 29 FAIR 20 GEN POOR 18 GEN POOR
MAX ADI LATE 6 VERY POOR 71 GOOD 11 POOR 25 FAIR
MAX LVORI EARLY 6 1 5 3
MAX LVORI LATE 6 1 5 3
MIN VSBY EARLY 9 9 9 5 FOG
MIN VSBY LATE 9 9 8 3 FOG
SUNSHINE HOURS N/A N/A N/A N/A
CWR 0 0 20 60
REMARKS...NONE.
FORECAST FOR DAYS 3 THROUGH 7
THURSDAY NIGHT
PARTLY CLOUDY WITH SHOWERS LIKELY AND A CHANCE
OF THUNDERSTORMS. LOWS IN THE UPPER 60S. WEST WINDS AROUND 5 MPH,
BECOMING NORTH AFTER MIDNIGHT.
FRIDAY
SUNNY. HIGHS IN THE UPPER 70S. NORTHEAST WINDS 5 TO
10 MPH.
FRIDAY NIGHT
MOSTLY CLEAR. LOWS IN THE LOWER 60S. SOUTHEAST
WINDS 5 TO 10 MPH, BECOMING SOUTHWEST AFTER MIDNIGHT.
SATURDAY
SUNNY. HIGHS IN THE MID 80S. SOUTH WINDS 5 TO 10 MPH.
SATURDAY NIGHT AND SUNDAY
MOSTLY CLEAR. LOWS IN THE MID 60S.
HIGHS IN THE UPPER 80S. SOUTHWEST WINDS 5 TO 10 MPH.
SUNDAY NIGHT AND MONDAY
PARTLY CLOUDY. NOT AS WARM. LOWS IN
THE UPPER 60S. HIGHS IN THE UPPER 70S. EAST WINDS 5 TO 10 MPH.
MONDAY NIGHT AND TUESDAY
PARTLY CLOUDY. LOWS IN THE LOWER 60S.
HIGHS IN THE MID 70S. NORTHEAST WINDS 5 TO 10 MPH.
MAZ013-130800-
WESTERN NORFOLK MA-
INCLUDING THE CITIES OF BELLINGHAM, DEDHAM, FOXBOROUGH, MEDFIELD,
NORWOOD, STOUGHTON, AND WELLESLEY
409 PM EDT TUE AUG 12 2025
TONIGHT WED WED NIGHT THU
CLOUD COVER MCLEAR MCLEAR PCLDY MCLDY
PRECIP TYPE NONE NONE TSTMS TSTMS
CHANCE PRECIP (%) 10 30 70
CHANCE OF THUNDER (%) 0 0 20 50
TEMP (24H TREND) 66 (0) 92 (-1) 70 87
RH % (24H TREND) 100 (0) 46 (+14) 100 61
20FT WND AM(MPH) LGT/VAR LGT/VAR
20FT WND PM(MPH) LGT/VAR S 5 SW 5 LGT/VAR
PRECIP AMOUNT 0.00 0.00 0.07 0.30
PRECIP DURATION 2 7
PRECIP BEGIN 8 PM CONTINUING
PRECIP END CONTINUING CONTINUING
MIXING HGT (FT-AGL) 350 5720 410 3430
TRANSPORT WND (KTS) SW 7 SW 11 SW 9 SW 9
VENT RATE (KT-FT) 2450 62920 3690 30870
MAX ADI EARLY 32 FAIR 30 FAIR 52 GEN GOOD 18 GEN POOR
MAX ADI LATE 5 VERY POOR 79 GOOD 8 POOR 25 FAIR
MAX LVORI EARLY 7 1 7 4
MAX LVORI LATE 7 1 7 4
MIN VSBY EARLY 9 9 9 5 FOG
MIN VSBY LATE 9 9 5 FOG 3 FOG
SUNSHINE HOURS N/A N/A N/A N/A
CWR 0 0 20 60
REMARKS...NONE.
FORECAST FOR DAYS 3 THROUGH 7
THURSDAY NIGHT
PARTLY CLOUDY WITH SHOWERS LIKELY AND A CHANCE
OF THUNDERSTORMS. LOWS IN THE MID 60S. WEST WINDS AROUND 5 MPH,
BECOMING NORTH AFTER MIDNIGHT.
FRIDAY
SUNNY. HIGHS AROUND 80. NORTHEAST WINDS 5 TO 10 MPH.
FRIDAY NIGHT
MOSTLY CLEAR. LOWS IN THE UPPER 50S. SOUTHEAST
WINDS AROUND 5 MPH IN THE EVENING, BECOMING LIGHT AND VARIABLE.
SATURDAY AND SATURDAY NIGHT
MOSTLY CLEAR. LOWS 59 TO 64. HIGHS
IN THE MID 80S. SOUTHWEST WINDS AROUND 5 MPH.
SUNDAY
SUNNY. HIGHS AROUND 90. SOUTHWEST WINDS AROUND 5 MPH.
SUNDAY NIGHT AND MONDAY
PARTLY CLOUDY. LOWS IN THE MID 60S.
HIGHS IN THE LOWER 80S. EAST WINDS AROUND 5 MPH.
MONDAY NIGHT AND TUESDAY
PARTLY CLOUDY. LOWS AROUND 60. HIGHS
IN THE MID 70S. NORTHEAST WINDS AROUND 5 MPH.
MAZ014-130800-
SOUTHEAST MIDDLESEX MA-
INCLUDING THE CITIES OF CAMBRIDGE, LEXINGTON, NEWTON, WALTHAM,
AND WOBURN
409 PM EDT TUE AUG 12 2025
TONIGHT WED WED NIGHT THU
CLOUD COVER MCLEAR MCLEAR PCLDY MCLDY
PRECIP TYPE NONE NONE TSTMS TSTMS
CHANCE PRECIP (%) 10 30 70
CHANCE OF THUNDER (%) 0 0 20 40
TEMP (24H TREND) 69 (0) 93 (-2) 72 87
RH % (24H TREND) 90 (+3) 41 (+9) 91 59
20FT WND AM(MPH) LGT/VAR LGT/VAR
20FT WND PM(MPH) LGT/VAR SW 6 SW 5 LGT/VAR
PRECIP AMOUNT 0.00 0.00 0.08 0.27
PRECIP DURATION 2 7
PRECIP BEGIN 8 PM CONTINUING
PRECIP END CONTINUING CONTINUING
MIXING HGT (FT-AGL) 360 6670 410 3800
TRANSPORT WND (KTS) SW 8 SW 10 SW 9 W 9
VENT RATE (KT-FT) 2880 66700 3690 34200
MAX ADI EARLY 29 FAIR 39 FAIR 63 GOOD 20 GEN POOR
MAX ADI LATE 6 VERY POOR 81 GOOD 8 POOR 27 FAIR
MAX LVORI EARLY 5 1 6 3
MAX LVORI LATE 5 1 6 3
MIN VSBY EARLY 9 9 9 5 FOG
MIN VSBY LATE 9 9 9 3 FOG
SUNSHINE HOURS N/A N/A N/A N/A
CWR 0 0 20 60
REMARKS...NONE.
FORECAST FOR DAYS 3 THROUGH 7
THURSDAY NIGHT
PARTLY CLOUDY WITH SHOWERS LIKELY AND A CHANCE
OF THUNDERSTORMS. LOWS IN THE UPPER 60S. NORTHWEST WINDS AROUND
5 MPH.
FRIDAY
SUNNY. HIGHS IN THE LOWER 80S. NORTHEAST WINDS AROUND
5 MPH.
FRIDAY NIGHT
MOSTLY CLEAR. LOWS IN THE LOWER 60S. SOUTHEAST
WINDS AROUND 5 MPH IN THE EVENING, BECOMING LIGHT AND VARIABLE.
SATURDAY
SUNNY. HIGHS IN THE MID 80S. SOUTH WINDS AROUND
5 MPH.
SATURDAY NIGHT AND SUNDAY
MOSTLY CLEAR. LOWS IN THE UPPER 60S.
HIGHS IN THE LOWER 90S. SOUTHWEST WINDS AROUND 5 MPH.
SUNDAY NIGHT AND MONDAY
PARTLY CLOUDY. NOT AS WARM. LOWS IN
THE UPPER 60S. HIGHS IN THE LOWER 80S. EAST WINDS AROUND 5 MPH.
MONDAY NIGHT AND TUESDAY
PARTLY CLOUDY. LOWS IN THE LOWER 60S.
HIGHS IN THE MID 70S. NORTHEAST WINDS AROUND 5 MPH.
MAZ007-130800-
EASTERN ESSEX MA-
INCLUDING THE CITIES OF BEVERLY, GLOUCESTER, NEWBURYPORT,
PEABODY, SALEM, AND SAUGUS
409 PM EDT TUE AUG 12 2025
TONIGHT WED WED NIGHT THU
CLOUD COVER MCLEAR MCLEAR PCLDY MCLDY
PRECIP TYPE NONE NONE TSTMS TSTMS
CHANCE PRECIP (%) 10 30 70
CHANCE OF THUNDER (%) 0 0 20 40
TEMP (24H TREND) 67 (-2) 92 (+2) 70 87
RH % (24H TREND) 90 (-7) 43 (+8) 97 61
20FT WND AM(MPH) LGT/VAR SW 5
20FT WND PM(MPH) S 5 S 7 G17 SW 7 G17 SW 5
PRECIP AMOUNT 0.00 0.00 0.07 0.28
PRECIP DURATION 2 6
PRECIP BEGIN 8 PM CONTINUING
PRECIP END CONTINUING CONTINUING
MIXING HGT (FT-AGL) 340 3590 320 3150
TRANSPORT WND (KTS) S 11 S 11 S 13 SW 8
VENT RATE (KT-FT) 3740 39490 4160 25200
MAX ADI EARLY 14 GEN POOR 16 GEN POOR 17 GEN POOR 16 GEN POOR
MAX ADI LATE 6 VERY POOR 24 FAIR 9 POOR 17 GEN POOR
MAX LVORI EARLY 5 2 5 4
MAX LVORI LATE 5 2 5 4
MIN VSBY EARLY 9 9 9 5 FOG
MIN VSBY LATE 9 9 9 3 FOG
SUNSHINE HOURS N/A N/A N/A N/A
CWR 0 0 20 60
REMARKS...NONE.
FORECAST FOR DAYS 3 THROUGH 7
THURSDAY NIGHT
PARTLY CLOUDY WITH SHOWERS LIKELY AND A CHANCE
OF THUNDERSTORMS. LOWS IN THE MID 60S. WEST WINDS AROUND 5 MPH,
BECOMING NORTH AFTER MIDNIGHT.
FRIDAY
SUNNY. HIGHS IN THE UPPER 70S. NORTHEAST WINDS 10 TO
15 MPH.
FRIDAY NIGHT
MOSTLY CLEAR. LOWS IN THE LOWER 60S. SOUTHEAST
WINDS AROUND 5 MPH, BECOMING SOUTHWEST AFTER MIDNIGHT.
SATURDAY
SUNNY. HIGHS IN THE LOWER 80S. SOUTH WINDS 5 TO
10 MPH.
SATURDAY NIGHT AND SUNDAY
MOSTLY CLEAR. LOWS IN THE MID 60S.
HIGHS IN THE UPPER 80S. SOUTHWEST WINDS 5 TO 10 MPH.
SUNDAY NIGHT AND MONDAY
PARTLY CLOUDY. NOT AS WARM. LOWS IN
THE MID 60S. HIGHS IN THE UPPER 70S. EAST WINDS 10 TO 15 MPH.
MONDAY NIGHT AND TUESDAY
PARTLY CLOUDY. LOWS IN THE LOWER 60S.
HIGHS IN THE MID 70S. EAST WINDS 5 TO 10 MPH.
MAZ006-130800-
WESTERN ESSEX MA-
INCLUDING THE CITIES OF AMESBURY, ANDOVER, HAVERHILL, LAWRENCE,
METHUEN, AND TOPSFIELD
409 PM EDT TUE AUG 12 2025
TONIGHT WED WED NIGHT THU
CLOUD COVER MCLEAR MCLEAR PCLDY MCLDY
PRECIP TYPE NONE NONE TSTMS TSTMS
CHANCE PRECIP (%) 10 30 70
CHANCE OF THUNDER (%) 0 0 20 40
TEMP (24H TREND) 67 (-1) 93 (-1) 71 87
RH % (24H TREND) 90 (-10) 40 (+10) 94 57
20FT WND AM(MPH) LGT/VAR LGT/VAR
20FT WND PM(MPH) LGT/VAR LGT/VAR LGT/VAR LGT/VAR
PRECIP AMOUNT 0.00 0.00 0.10 0.26
PRECIP DURATION 2 7
PRECIP BEGIN 8 PM CONTINUING
PRECIP END CONTINUING CONTINUING
MIXING HGT (FT-AGL) 360 7310 400 3820
TRANSPORT WND (KTS) SW 7 SW 10 SW 9 W 8
VENT RATE (KT-FT) 2520 73100 3600 30560
MAX ADI EARLY 25 FAIR 36 FAIR 42 GEN GOOD 17 GEN POOR
MAX ADI LATE 5 VERY POOR 86 GOOD 7 POOR 24 FAIR
MAX LVORI EARLY 5 1 6 3
MAX LVORI LATE 5 1 6 3
MIN VSBY EARLY 9 9 9 5 FOG
MIN VSBY LATE 9 9 9 3 FOG
SUNSHINE HOURS N/A N/A N/A N/A
CWR 0 0 20 60
REMARKS...NONE.
FORECAST FOR DAYS 3 THROUGH 7
THURSDAY NIGHT
PARTLY CLOUDY WITH SHOWERS LIKELY AND A CHANCE
OF THUNDERSTORMS. LOWS IN THE MID 60S. NORTHWEST WINDS AROUND
5 MPH.
FRIDAY
SUNNY. HIGHS IN THE LOWER 80S. NORTHEAST WINDS AROUND
5 MPH.
FRIDAY NIGHT
CLEAR. LOWS IN THE UPPER 50S. SOUTHEAST WINDS
AROUND 5 MPH IN THE EVENING, BECOMING LIGHT AND VARIABLE.
SATURDAY
SUNNY. HIGHS IN THE MID 80S. SOUTH WINDS AROUND
5 MPH.
SATURDAY NIGHT AND SUNDAY
MOSTLY CLEAR. LOWS IN THE MID 60S.
HIGHS IN THE LOWER 90S. SOUTHWEST WINDS AROUND 5 MPH.
SUNDAY NIGHT AND MONDAY
PARTLY CLOUDY. NOT AS WARM. LOWS IN
THE MID 60S. HIGHS AROUND 80. EAST WINDS AROUND 5 MPH.
MONDAY NIGHT AND TUESDAY
PARTLY CLOUDY. LOWS AROUND 60. HIGHS
IN THE MID 70S. EAST WINDS AROUND 5 MPH.
MAZ005-130800-
CENTRAL MIDDLESEX MA-
INCLUDING THE CITIES OF BURLINGTON, CHELMSFORD, FRAMINGHAM,
HOPKINTON, LOWELL, AND NATICK
409 PM EDT TUE AUG 12 2025
TONIGHT WED WED NIGHT THU
CLOUD COVER MCLEAR MCLEAR PCLDY MCLDY
PRECIP TYPE NONE NONE TSTMS TSTMS
CHANCE PRECIP (%) 10 30 70
CHANCE OF THUNDER (%) 0 0 20 50
TEMP (24H TREND) 66 (+1) 93 (-1) 70 87
RH % (24H TREND) 100 (0) 41 (+9) 100 59
20FT WND AM(MPH) LGT/VAR LGT/VAR
20FT WND PM(MPH) LGT/VAR SW 5 LGT/VAR LGT/VAR
PRECIP AMOUNT 0.00 0.00 0.13 0.29
PRECIP DURATION 2 7
PRECIP BEGIN 7 PM CONTINUING
PRECIP END CONTINUING CONTINUING
MIXING HGT (FT-AGL) 360 7050 410 3570
TRANSPORT WND (KTS) SW 7 SW 10 SW 9 W 8
VENT RATE (KT-FT) 2520 70500 3690 28560
MAX ADI EARLY 35 FAIR 33 FAIR 49 GEN GOOD 18 GEN POOR
MAX ADI LATE 5 VERY POOR 88 GOOD 8 POOR 22 FAIR
MAX LVORI EARLY 6 1 7 3
MAX LVORI LATE 6 1 7 3
MIN VSBY EARLY 9 9 9 5 FOG
MIN VSBY LATE 9 9 9 3 FOG
SUNSHINE HOURS N/A N/A N/A N/A
CWR 0 0 20 60
REMARKS...NONE.
FORECAST FOR DAYS 3 THROUGH 7
THURSDAY NIGHT
PARTLY CLOUDY WITH SHOWERS LIKELY AND A CHANCE
OF THUNDERSTORMS. LOWS IN THE MID 60S. NORTHWEST WINDS AROUND
5 MPH.
FRIDAY
SUNNY. HIGHS IN THE LOWER 80S. NORTHEAST WINDS AROUND
5 MPH.
FRIDAY NIGHT AND SATURDAY
MOSTLY CLEAR. LOWS AROUND 60. HIGHS
IN THE UPPER 80S. SOUTH WINDS AROUND 5 MPH.
SATURDAY NIGHT AND SUNDAY
MOSTLY CLEAR. LOWS IN THE MID 60S.
HIGHS IN THE LOWER 90S. SOUTHWEST WINDS 5 TO 10 MPH.
SUNDAY NIGHT AND MONDAY
PARTLY CLOUDY. LOWS IN THE MID 60S.
HIGHS IN THE LOWER 80S. EAST WINDS AROUND 5 MPH.
MONDAY NIGHT AND TUESDAY
PARTLY CLOUDY. LOWS AROUND 60. HIGHS
IN THE MID 70S. NORTHEAST WINDS 5 TO 10 MPH.
MAZ012-130800-
SOUTHERN WORCESTER MA-
INCLUDING THE CITIES OF MILFORD, OXFORD, STURBRIDGE, UXBRIDGE,
WESTBOROUGH, AND WORCESTER
409 PM EDT TUE AUG 12 2025
TONIGHT WED WED NIGHT THU
CLOUD COVER MCLEAR MCLEAR PCLDY MCLDY
PRECIP TYPE NONE NONE TSTMS TSTMS
CHANCE PRECIP (%) 10 40 70
CHANCE OF THUNDER (%) 0 0 20 50
TEMP (24H TREND) 65 (+1) 91 (0) 68 85
RH % (24H TREND) 100 (0) 49 (+13) 100 63
20FT WND AM(MPH) LGT/VAR LGT/VAR
20FT WND PM(MPH) LGT/VAR SW 5 SW 5 LGT/VAR
PRECIP AMOUNT 0.00 0.00 0.13 0.33
PRECIP DURATION 2 7
PRECIP BEGIN 6 PM CONTINUING
PRECIP END CONTINUING CONTINUING
MIXING HGT (FT-AGL) 330 6080 380 3020
TRANSPORT WND (KTS) SW 7 SW 10 SW 8 W 7
VENT RATE (KT-FT) 2310 60800 3040 21140
MAX ADI EARLY 35 FAIR 30 FAIR 36 FAIR 14 GEN POOR
MAX ADI LATE 5 VERY POOR 74 GOOD 8 POOR 19 GEN POOR
MAX LVORI EARLY 8 2 8 4
MAX LVORI LATE 8 2 8 4
MIN VSBY EARLY 9 7 9 3 FOG
MIN VSBY LATE 8 9 7 3 FOG
SUNSHINE HOURS N/A N/A N/A N/A
CWR 0 0 30 60
REMARKS...NONE.
FORECAST FOR DAYS 3 THROUGH 7
THURSDAY NIGHT
PARTLY CLOUDY WITH A CHANCE OF SHOWERS AND
THUNDERSTORMS. LOWS IN THE MID 60S. NORTHWEST WINDS AROUND 5 MPH.
FRIDAY
SUNNY. HIGHS IN THE LOWER 80S. NORTHEAST WINDS 5 TO
10 MPH.
FRIDAY NIGHT THROUGH SUNDAY
MOSTLY CLEAR. LOWS IN THE LOWER
60S. HIGHS IN THE UPPER 80S. SOUTHWEST WINDS 5 TO 10 MPH.
SUNDAY NIGHT
MOSTLY CLEAR. LOWS IN THE MID 60S. WEST WINDS
AROUND 5 MPH.
MONDAY AND MONDAY NIGHT
PARTLY CLOUDY. LOWS 60 TO 66. HIGHS IN
THE LOWER 80S. NORTHWEST WINDS AROUND 5 MPH.
TUESDAY
PARTLY SUNNY. HIGHS IN THE MID 70S. NORTHEAST WINDS
AROUND 5 MPH.
MAZ004-130800-
NORTHERN WORCESTER MA-
INCLUDING THE CITIES OF ATHOL, BOYLSTON, BROOKFIELD, FITCHBURG,
GARDNER, AND HARVARD
409 PM EDT TUE AUG 12 2025
TONIGHT WED WED NIGHT THU
CLOUD COVER CLEAR MCLEAR MCLDY MCLDY
PRECIP TYPE NONE NONE TSTMS TSTMS
CHANCE PRECIP (%) 20 40 60
CHANCE OF THUNDER (%) 0 0 20 50
TEMP (24H TREND) 63 (+1) 91 (+1) 66 85
RH % (24H TREND) 100 (0) 45 (+15) 100 57
20FT WND AM(MPH) LGT/VAR LGT/VAR
20FT WND PM(MPH) LGT/VAR SW 5 LGT/VAR LGT/VAR
PRECIP AMOUNT 0.00 0.00 0.15 0.27
PRECIP DURATION 2 7
PRECIP BEGIN 6 PM CONTINUING
PRECIP END CONTINUING CONTINUING
MIXING HGT (FT-AGL) 270 6350 290 3100
TRANSPORT WND (KTS) SW 7 SW 9 SW 8 W 7
VENT RATE (KT-FT) 1890 57150 2320 21700
MAX ADI EARLY 28 FAIR 28 FAIR 24 FAIR 14 GEN POOR
MAX ADI LATE 5 VERY POOR 71 GOOD 8 POOR 18 GEN POOR
MAX LVORI EARLY 8 1 9 4
MAX LVORI LATE 8 1 9 4
MIN VSBY EARLY 9 7 9 3 FOG
MIN VSBY LATE 7 9 7 3 FOG
SUNSHINE HOURS N/A N/A N/A N/A
CWR 0 0 30 50
REMARKS...NONE.
FORECAST FOR DAYS 3 THROUGH 7
THURSDAY NIGHT
PARTLY CLOUDY WITH SHOWERS LIKELY AND A CHANCE
OF THUNDERSTORMS. LOWS IN THE LOWER 60S. NORTHWEST WINDS AROUND
5 MPH.
FRIDAY
SUNNY. HIGHS IN THE LOWER 80S. NORTHEAST WINDS AROUND
5 MPH.
FRIDAY NIGHT AND SATURDAY
MOSTLY CLEAR. LOWS IN THE UPPER 50S.
HIGHS IN THE MID 80S. SOUTHWEST WINDS AROUND 5 MPH.
SATURDAY NIGHT AND SUNDAY
MOSTLY CLEAR. LOWS IN THE LOWER 60S.
HIGHS IN THE UPPER 80S. WEST WINDS AROUND 5 MPH.
SUNDAY NIGHT
MOSTLY CLEAR. LOWS IN THE MID 60S. WEST WINDS
AROUND 5 MPH.
MONDAY AND MONDAY NIGHT
PARTLY CLOUDY. LOWS 58 TO 64. HIGHS IN
THE LOWER 80S. NORTH WINDS AROUND 5 MPH.
TUESDAY
MOSTLY SUNNY. HIGHS IN THE MID 70S. NORTHEAST WINDS
AROUND 5 MPH.
MAZ026-130800-
NORTHERN MIDDLESEX MA-
INCLUDING THE CITIES OF ASHBY, AYER, GROTON, PEPPERELL, SHIRLEY,
AND TOWNSEND
409 PM EDT TUE AUG 12 2025
TONIGHT WED WED NIGHT THU
CLOUD COVER CLEAR MCLEAR PCLDY MCLDY
PRECIP TYPE NONE NONE TSTMS TSTMS
CHANCE PRECIP (%) 10 40 70
CHANCE OF THUNDER (%) 0 0 20 50
TEMP (24H TREND) 65 (+1) 93 (0) 68 87
RH % (24H TREND) 93 (-7) 44 (+10) 100 60
20FT WND AM(MPH) LGT/VAR LGT/VAR
20FT WND PM(MPH) LGT/VAR LGT/VAR LGT/VAR LGT/VAR
PRECIP AMOUNT 0.00 0.00 0.09 0.26
PRECIP DURATION 2 7
PRECIP BEGIN 6 PM CONTINUING
PRECIP END CONTINUING CONTINUING
MIXING HGT (FT-AGL) 350 6850 390 3710
TRANSPORT WND (KTS) W 7 SW 8 SW 9 W 7
VENT RATE (KT-FT) 2450 54800 3510 25970
MAX ADI EARLY 38 FAIR 35 FAIR 41 GEN GOOD 27 FAIR
MAX ADI LATE 5 VERY POOR 82 GOOD 5 VERY POOR 31 FAIR
MAX LVORI EARLY 6 1 8 3
MAX LVORI LATE 6 1 8 3
MIN VSBY EARLY 9 9 9 5 FOG
MIN VSBY LATE 9 9 9 3 FOG
SUNSHINE HOURS N/A N/A N/A N/A
CWR 0 0 20 50
REMARKS...NONE.
FORECAST FOR DAYS 3 THROUGH 7
THURSDAY NIGHT
PARTLY CLOUDY WITH SHOWERS LIKELY AND A CHANCE
OF THUNDERSTORMS. LOWS IN THE LOWER 60S. NORTHWEST WINDS AROUND
5 MPH.
FRIDAY
SUNNY. HIGHS IN THE MID 80S. NORTHEAST WINDS AROUND
5 MPH.
FRIDAY NIGHT AND SATURDAY
MOSTLY CLEAR. LOWS IN THE UPPER 50S.
HIGHS IN THE UPPER 80S. SOUTH WINDS AROUND 5 MPH.
SATURDAY NIGHT AND SUNDAY
MOSTLY CLEAR. LOWS IN THE MID 60S.
HIGHS AROUND 90. WEST WINDS AROUND 5 MPH.
SUNDAY NIGHT
MOSTLY CLEAR. LOWS IN THE MID 60S. WEST WINDS
AROUND 5 MPH.
MONDAY AND MONDAY NIGHT
PARTLY CLOUDY. LOWS 58 TO 64. HIGHS IN
THE LOWER 80S. NORTH WINDS AROUND 5 MPH.
TUESDAY
MOSTLY SUNNY. HIGHS IN THE MID 70S. NORTHEAST WINDS
AROUND 5 MPH.
MAZ002-130800-
WESTERN FRANKLIN MA-
INCLUDING THE CITIES OF ASHFIELD, CHARLEMONT, COLRAIN,
AND SHELBURNE
409 PM EDT TUE AUG 12 2025
TONIGHT WED WED NIGHT THU
CLOUD COVER CLEAR PCLDY MCLDY MCLDY
PRECIP TYPE NONE TSTMS TSTMS TSTMS
CHANCE PRECIP (%) 30 50 60
CHANCE OF THUNDER (%) 0 30 30 50
TEMP (24H TREND) 63 (+1) 89 (+1) 65 84
RH % (24H TREND) 97 (0) 53 (+14) 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 0.09 0.17 0.24
PRECIP DURATION 1 2 6
PRECIP BEGIN 2 PM CONTINUING CONTINUING
PRECIP END CONTINUING CONTINUING CONTINUING
MIXING HGT (FT-AGL) 140 5090 140 3330
TRANSPORT WND (KTS) W 5 SW 8 W 7 NW 7
VENT RATE (KT-FT) 700 40720 980 23310
MAX ADI EARLY 28 FAIR 27 FAIR 17 GEN POOR 19 GEN POOR
MAX ADI LATE 4 VERY POOR 56 GEN GOOD 4 VERY POOR 22 FAIR
MAX LVORI EARLY 7 2 8 3
MAX LVORI LATE 7 2 8 3
MIN VSBY EARLY 9 4 FOG 9 3 FOG
MIN VSBY LATE 5 FOG 9 4 FOG 5 FOG
SUNSHINE HOURS N/A N/A N/A N/A
CWR 0 20 30 40
REMARKS...NONE.
FORECAST FOR DAYS 3 THROUGH 7
THURSDAY NIGHT
PARTLY CLOUDY WITH A CHANCE OF SHOWERS AND
THUNDERSTORMS. LOWS IN THE LOWER 60S. NORTH WINDS AROUND 5 MPH.
FRIDAY
SUNNY. HIGHS IN THE LOWER 80S. NORTH WINDS AROUND
5 MPH.
FRIDAY NIGHT
MOSTLY CLEAR. LOWS IN THE UPPER 50S. NORTHWEST
WINDS AROUND 5 MPH IN THE EVENING, BECOMING LIGHT AND VARIABLE.
SATURDAY AND SATURDAY NIGHT
MOSTLY CLEAR. LOWS AROUND 60.
HIGHS IN THE MID 80S. SOUTHWEST WINDS AROUND 5 MPH.
SUNDAY AND SUNDAY NIGHT
PARTLY CLOUDY. LOWS IN THE LOWER 60S.
HIGHS IN THE MID 80S. NORTHWEST WINDS AROUND 5 MPH.
MONDAY AND MONDAY NIGHT
PARTLY CLOUDY. LOWS 57 TO 62. HIGHS
AROUND 80. NORTH WINDS AROUND 5 MPH.
TUESDAY
PARTLY SUNNY. HIGHS IN THE MID 70S. NORTH WINDS AROUND
5 MPH.
MAZ003-130800-
EASTERN FRANKLIN MA-
INCLUDING THE CITIES OF GREENFIELD, LEVERETT, NORTHFIELD, ORANGE,
AND WHATELY
409 PM EDT TUE AUG 12 2025
TONIGHT WED WED NIGHT THU
CLOUD COVER CLEAR MCLEAR MCLDY MCLDY
PRECIP TYPE NONE TSTMS TSTMS TSTMS
CHANCE PRECIP (%) 20 50 60
CHANCE OF THUNDER (%) 0 20 30 60
TEMP (24H TREND) 64 (+2) 92 (+1) 68 86
RH % (24H TREND) 100 (0) 50 (+16) 100 55
20FT WND AM(MPH) LGT/VAR LGT/VAR
20FT WND PM(MPH) LGT/VAR SW 5 LGT/VAR LGT/VAR
PRECIP AMOUNT 0.00 0.08 0.17 0.24
PRECIP DURATION 0 2 7
PRECIP BEGIN 3 PM CONTINUING CONTINUING
PRECIP END CONTINUING CONTINUING CONTINUING
MIXING HGT (FT-AGL) 210 5330 210 3220
TRANSPORT WND (KTS) SW 5 SW 8 SW 5 W 5
VENT RATE (KT-FT) 1050 42640 1050 16100
MAX ADI EARLY 20 GEN POOR 18 GEN POOR 19 GEN POOR 17 GEN POOR
MAX ADI LATE 4 VERY POOR 58 GEN GOOD 4 VERY POOR 15 GEN POOR
MAX LVORI EARLY 8 2 9 4
MAX LVORI LATE 8 2 9 4
MIN VSBY EARLY 9 2 FOG 9 3 FOG
MIN VSBY LATE 2 FOG 9 4 FOG 4 FOG
SUNSHINE HOURS N/A N/A N/A N/A
CWR 0 20 30 50
REMARKS...NONE.
FORECAST FOR DAYS 3 THROUGH 7
THURSDAY NIGHT
PARTLY CLOUDY WITH A CHANCE OF SHOWERS AND
THUNDERSTORMS. LOWS IN THE LOWER 60S. NORTH WINDS AROUND 5 MPH.
FRIDAY
SUNNY. HIGHS IN THE MID 80S. NORTH WINDS AROUND 5 MPH.
FRIDAY NIGHT THROUGH SATURDAY NIGHT
MOSTLY CLEAR. LOWS IN THE
LOWER 60S. HIGHS IN THE UPPER 80S. SOUTH WINDS AROUND 5 MPH.
SUNDAY
MOSTLY SUNNY. HIGHS IN THE UPPER 80S. SOUTHWEST WINDS
AROUND 5 MPH.
SUNDAY NIGHT
MOSTLY CLEAR. LOWS IN THE MID 60S. WEST WINDS
AROUND 5 MPH, BECOMING NORTHWEST AFTER MIDNIGHT.
MONDAY AND MONDAY NIGHT
PARTLY CLOUDY. LOWS 59 TO 64. HIGHS IN
THE LOWER 80S. NORTH WINDS AROUND 5 MPH.
TUESDAY
PARTLY SUNNY. HIGHS IN THE UPPER 70S. NORTH WINDS
AROUND 5 MPH.
MAZ008-130800-
WESTERN HAMPSHIRE MA-
INCLUDING THE CITIES OF CHESTERFIELD, PLAINFIELD, WESTHAMPTON,
WILLIAMSBURG, AND WORTHINGTON
409 PM EDT TUE AUG 12 2025
TONIGHT WED WED NIGHT THU
CLOUD COVER CLEAR PCLDY MCLDY MCLDY
PRECIP TYPE NONE TSTMS TSTMS TSTMS
CHANCE PRECIP (%) 30 50 60
CHANCE OF THUNDER (%) 0 30 30 60
TEMP (24H TREND) 63 (+3) 88 (0) 65 82
RH % (24H TREND) 100 (+7) 52 (+14) 100 60
20FT WND AM(MPH) LGT/VAR LGT/VAR
20FT WND PM(MPH) LGT/VAR LGT/VAR LGT/VAR LGT/VAR
PRECIP AMOUNT 0.00 0.05 0.15 0.27
PRECIP DURATION 1 2 8
PRECIP BEGIN 2 PM CONTINUING CONTINUING
PRECIP END CONTINUING CONTINUING CONTINUING
MIXING HGT (FT-AGL) 180 5290 160 3350
TRANSPORT WND (KTS) W 6 SW 9 W 6 NW 7
VENT RATE (KT-FT) 1080 47610 960 23450
MAX ADI EARLY 23 FAIR 27 FAIR 26 FAIR 20 GEN POOR
MAX ADI LATE 4 VERY POOR 58 GEN GOOD 4 VERY POOR 19 GEN POOR
MAX LVORI EARLY 7 2 8 3
MAX LVORI LATE 7 2 8 3
MIN VSBY EARLY 9 5 FOG 9 2 FOG
MIN VSBY LATE 9 9 5 FOG 4 FOG
SUNSHINE HOURS N/A N/A N/A N/A
CWR 0 20 30 50
REMARKS...NONE.
FORECAST FOR DAYS 3 THROUGH 7
THURSDAY NIGHT
PARTLY CLOUDY WITH A CHANCE OF SHOWERS AND
THUNDERSTORMS. LOWS IN THE LOWER 60S. NORTH WINDS AROUND 5 MPH.
FRIDAY
SUNNY. HIGHS IN THE LOWER 80S. NORTH WINDS AROUND
5 MPH.
FRIDAY NIGHT
MOSTLY CLEAR. LOWS IN THE UPPER 50S. WEST WINDS
AROUND 5 MPH.
SATURDAY AND SATURDAY NIGHT
MOSTLY CLEAR. LOWS IN THE LOWER
60S. HIGHS IN THE MID 80S. SOUTHWEST WINDS AROUND 5 MPH.
SUNDAY AND SUNDAY NIGHT
PARTLY CLOUDY. LOWS IN THE LOWER 60S.
HIGHS IN THE MID 80S. NORTHWEST WINDS AROUND 5 MPH.
MONDAY AND MONDAY NIGHT
PARTLY CLOUDY. LOWS 58 TO 63. HIGHS
AROUND 80. NORTH WINDS AROUND 5 MPH.
TUESDAY
MOSTLY SUNNY. HIGHS IN THE MID 70S. NORTH WINDS AROUND
5 MPH.
MAZ010-130800-
EASTERN HAMPSHIRE MA-
INCLUDING THE CITIES OF AMHERST, BELCHERTOWN, NORTHAMPTON,
SOUTHAMPTON, AND WARE
409 PM EDT TUE AUG 12 2025
TONIGHT WED WED NIGHT THU
CLOUD COVER CLEAR PCLDY MCLDY MCLDY
PRECIP TYPE NONE TSTMS TSTMS TSTMS
CHANCE PRECIP (%) 20 50 60
CHANCE OF THUNDER (%) 0 20 20 60
TEMP (24H TREND) 65 (+4) 92 (+1) 68 87
RH % (24H TREND) 100 (0) 49 (+13) 100 59
20FT WND AM(MPH) LGT/VAR LGT/VAR
20FT WND PM(MPH) LGT/VAR SW 5 LGT/VAR LGT/VAR
PRECIP AMOUNT 0.00 0.08 0.22 0.28
PRECIP DURATION 0 2 8
PRECIP BEGIN 3 PM CONTINUING CONTINUING
PRECIP END CONTINUING CONTINUING CONTINUING
MIXING HGT (FT-AGL) 310 5850 330 3710
TRANSPORT WND (KTS) SW 4 SW 9 SW 6 W 6
VENT RATE (KT-FT) 1240 52650 1980 22260
MAX ADI EARLY 25 FAIR 18 GEN POOR 29 FAIR 15 GEN POOR
MAX ADI LATE 4 VERY POOR 70 GOOD 5 VERY POOR 19 GEN POOR
MAX LVORI EARLY 8 2 9 4
MAX LVORI LATE 8 2 9 4
MIN VSBY EARLY 9 5 FOG 9 2 FOG
MIN VSBY LATE 9 9 9 3 FOG
SUNSHINE HOURS N/A N/A N/A N/A
CWR 0 20 30 50
REMARKS...NONE.
FORECAST FOR DAYS 3 THROUGH 7
THURSDAY NIGHT
PARTLY CLOUDY WITH A CHANCE OF SHOWERS AND
THUNDERSTORMS. LOWS IN THE LOWER 60S. NORTH WINDS AROUND 5 MPH.
FRIDAY
SUNNY. HIGHS IN THE MID 80S. NORTH WINDS AROUND 5 MPH.
FRIDAY NIGHT THROUGH SATURDAY NIGHT
MOSTLY CLEAR. LOWS IN THE
LOWER 60S. HIGHS IN THE UPPER 80S. SOUTH WINDS AROUND 5 MPH.
SUNDAY
MOSTLY SUNNY. HIGHS AROUND 90. SOUTHWEST WINDS AROUND
5 MPH.
SUNDAY NIGHT
MOSTLY CLEAR. LOWS IN THE MID 60S. WEST WINDS
AROUND 5 MPH, BECOMING NORTHWEST AFTER MIDNIGHT.
MONDAY AND MONDAY NIGHT
PARTLY CLOUDY. LOWS 60 TO 65. HIGHS IN
THE MID 80S. NORTHEAST WINDS AROUND 5 MPH.
TUESDAY
MOSTLY SUNNY. HIGHS IN THE UPPER 70S. NORTHEAST WINDS
AROUND 5 MPH.
MAZ009-130800-
WESTERN HAMPDEN MA-
INCLUDING THE CITIES OF BLANDFORD, CHESTER, GRANVILLE,
MONTGOMERY, RUSSELL, AND TOLLAND
409 PM EDT TUE AUG 12 2025
TONIGHT WED WED NIGHT THU
CLOUD COVER CLEAR PCLDY MCLDY MCLDY
PRECIP TYPE NONE TSTMS TSTMS TSTMS
CHANCE PRECIP (%) 30 50 60
CHANCE OF THUNDER (%) 0 30 30 60
TEMP (24H TREND) 64 (+3) 89 (+1) 66 83
RH % (24H TREND) 100 (+7) 50 (+12) 100 59
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 0.20 0.27
PRECIP DURATION 1 2 8
PRECIP BEGIN 2 PM CONTINUING CONTINUING
PRECIP END CONTINUING CONTINUING CONTINUING
MIXING HGT (FT-AGL) 110 5640 90 3360
TRANSPORT WND (KTS) W 6 SW 10 W 7 W 7
VENT RATE (KT-FT) 660 56400 630 23520
MAX ADI EARLY 28 FAIR 27 FAIR 25 FAIR 20 GEN POOR
MAX ADI LATE 5 VERY POOR 70 GOOD 4 VERY POOR 19 GEN POOR
MAX LVORI EARLY 8 2 9 3
MAX LVORI LATE 8 2 9 3
MIN VSBY EARLY 9 6 FOG 9 2 FOG
MIN VSBY LATE 9 9 8 4 FOG
SUNSHINE HOURS N/A N/A N/A N/A
CWR 0 20 30 50
REMARKS...NONE.
FORECAST FOR DAYS 3 THROUGH 7
THURSDAY NIGHT
PARTLY CLOUDY WITH A CHANCE OF SHOWERS AND
THUNDERSTORMS. LOWS IN THE LOWER 60S. NORTHWEST WINDS AROUND
5 MPH.
FRIDAY
SUNNY. HIGHS IN THE LOWER 80S. NORTH WINDS AROUND
5 MPH.
FRIDAY NIGHT THROUGH SATURDAY NIGHT
MOSTLY CLEAR. LOWS IN THE
LOWER 60S. HIGHS IN THE MID 80S. SOUTHWEST WINDS AROUND 5 MPH.
SUNDAY AND SUNDAY NIGHT
PARTLY CLOUDY. LOWS IN THE MID 60S.
HIGHS IN THE UPPER 80S. NORTHWEST WINDS AROUND 5 MPH.
MONDAY AND MONDAY NIGHT
PARTLY CLOUDY. LOWS 59 TO 64. HIGHS IN
THE LOWER 80S. NORTH WINDS AROUND 5 MPH.
TUESDAY
MOSTLY SUNNY. HIGHS IN THE MID 70S. NORTH WINDS AROUND
5 MPH.
MAZ011-130800-
EASTERN HAMPDEN MA-
INCLUDING THE CITIES OF CHICOPEE, HOLLAND, PALMER, SOUTHWICK,
SPRINGFIELD, AND WESTFIELD
409 PM EDT TUE AUG 12 2025
TONIGHT WED WED NIGHT THU
CLOUD COVER CLEAR PCLDY MCLDY MCLDY
PRECIP TYPE NONE TSTMS TSTMS TSTMS
CHANCE PRECIP (%) 20 50 60
CHANCE OF THUNDER (%) 0 20 30 50
TEMP (24H TREND) 65 (+3) 92 (+1) 68 86
RH % (24H TREND) 100 (0) 49 (+15) 100 59
20FT WND AM(MPH) LGT/VAR LGT/VAR
20FT WND PM(MPH) LGT/VAR SW 6 SW 5 LGT/VAR
PRECIP AMOUNT 0.00 0.07 0.17 0.29
PRECIP DURATION 0 2 8
PRECIP BEGIN 2 PM CONTINUING CONTINUING
PRECIP END CONTINUING CONTINUING CONTINUING
MIXING HGT (FT-AGL) 300 5940 310 3630
TRANSPORT WND (KTS) SW 5 SW 10 SW 6 W 6
VENT RATE (KT-FT) 1500 59400 1860 21780
MAX ADI EARLY 31 FAIR 22 FAIR 33 FAIR 14 GEN POOR
MAX ADI LATE 4 VERY POOR 72 GOOD 5 VERY POOR 18 GEN POOR
MAX LVORI EARLY 8 1 9 4
MAX LVORI LATE 8 1 9 4
MIN VSBY EARLY 9 7 9 2 FOG
MIN VSBY LATE 8 9 9 3 FOG
SUNSHINE HOURS N/A N/A N/A N/A
CWR 0 20 30 50
REMARKS...NONE.
FORECAST FOR DAYS 3 THROUGH 7
THURSDAY NIGHT
PARTLY CLOUDY WITH A CHANCE OF SHOWERS AND
THUNDERSTORMS. LOWS IN THE MID 60S. NORTH WINDS AROUND 5 MPH.
FRIDAY
SUNNY. HIGHS IN THE MID 80S. NORTH WINDS AROUND 5 MPH.
FRIDAY NIGHT THROUGH SATURDAY NIGHT
MOSTLY CLEAR. LOWS IN THE
LOWER 60S. HIGHS IN THE UPPER 80S. SOUTH WINDS AROUND 5 MPH.
SUNDAY
MOSTLY SUNNY. HIGHS AROUND 90. SOUTHWEST WINDS AROUND
5 MPH.
SUNDAY NIGHT
MOSTLY CLEAR. LOWS IN THE MID 60S. SOUTHWEST
WINDS AROUND 5 MPH, BECOMING NORTHWEST AFTER MIDNIGHT.
MONDAY AND MONDAY NIGHT
PARTLY CLOUDY. LOWS IN THE LOWER 60S.
HIGHS IN THE MID 80S. NORTHEAST WINDS AROUND 5 MPH.
TUESDAY
PARTLY SUNNY. HIGHS IN THE UPPER 70S. NORTH WINDS
AROUND 5 MPH.
CTZ002-130800-
HARTFORD CT-
INCLUDING THE CITIES OF HARTFORD, GLASTONBURY, GRANBY,
SOUTHINGTON, AND WINDSOR LOCKS
409 PM EDT TUE AUG 12 2025
TONIGHT WED WED NIGHT THU
CLOUD COVER MCLEAR PCLDY MCLDY MCLDY
PRECIP TYPE NONE TSTMS TSTMS TSTMS
CHANCE PRECIP (%) 20 50 60
CHANCE OF THUNDER (%) 0 20 30 50
TEMP (24H TREND) 66 (+4) 91 (0) 69 86
RH % (24H TREND) 100 (0) 50 (+17) 100 61
20FT WND AM(MPH) LGT/VAR LGT/VAR
20FT WND PM(MPH) LGT/VAR SW 6 SW 5 LGT/VAR
PRECIP AMOUNT 0.00 0.05 0.15 0.26
PRECIP DURATION 0 2 8
PRECIP BEGIN 2 PM CONTINUING CONTINUING
PRECIP END CONTINUING CONTINUING CONTINUING
MIXING HGT (FT-AGL) 330 5910 380 4010
TRANSPORT WND (KTS) SW 6 SW 10 SW 5 W 6
VENT RATE (KT-FT) 1980 59100 1900 24060
MAX ADI EARLY 41 GEN GOOD 33 FAIR 38 FAIR 14 GEN POOR
MAX ADI LATE 4 VERY POOR 71 GOOD 4 VERY POOR 18 GEN POOR
MAX LVORI EARLY 9 2 9 4
MAX LVORI LATE 9 2 9 4
MIN VSBY EARLY 9 6 FOG 9 1 FOG
MIN VSBY LATE 7 9 6 FOG 3 FOG
SUNSHINE HOURS N/A N/A N/A N/A
CWR 0 10 30 50
REMARKS...NONE.
FORECAST FOR DAYS 3 THROUGH 7
THURSDAY NIGHT
PARTLY CLOUDY WITH SHOWERS LIKELY AND A CHANCE
OF THUNDERSTORMS. LOWS IN THE MID 60S. NORTHWEST WINDS AROUND
5 MPH.
FRIDAY
SUNNY. HIGHS IN THE MID 80S. NORTH WINDS AROUND 5 MPH.
FRIDAY NIGHT THROUGH SUNDAY
MOSTLY CLEAR. LOWS IN THE MID 60S.
HIGHS IN THE UPPER 80S. SOUTHWEST WINDS 5 TO 10 MPH.
SUNDAY NIGHT AND MONDAY
PARTLY CLOUDY. LOWS IN THE UPPER 60S.
HIGHS IN THE MID 80S. WEST WINDS 5 TO 10 MPH.
MONDAY NIGHT AND TUESDAY
PARTLY CLOUDY. LOWS IN THE LOWER 60S.
HIGHS IN THE UPPER 70S. NORTHEAST WINDS AROUND 5 MPH.
CTZ003-130800-
TOLLAND CT-
INCLUDING THE CITIES OF MANSFIELD, STAFFORD SPRINGS, AND VERNON
409 PM EDT TUE AUG 12 2025
TONIGHT WED WED NIGHT THU
CLOUD COVER MCLEAR PCLDY MCLDY MCLDY
PRECIP TYPE NONE NONE TSTMS TSTMS
CHANCE PRECIP (%) 20 40 70
CHANCE OF THUNDER (%) 0 0 30 50
TEMP (24H TREND) 65 (+4) 90 (0) 68 84
RH % (24H TREND) 100 (0) 55 (+18) 100 65
20FT WND AM(MPH) LGT/VAR LGT/VAR
20FT WND PM(MPH) LGT/VAR SW 6 SW 5 LGT/VAR
PRECIP AMOUNT 0.00 0.00 0.13 0.29
PRECIP DURATION 2 7
PRECIP BEGIN 6 PM CONTINUING
PRECIP END CONTINUING CONTINUING
MIXING HGT (FT-AGL) 240 5060 200 3410
TRANSPORT WND (KTS) SW 5 SW 10 SW 5 W 6
VENT RATE (KT-FT) 1200 50600 1000 20460
MAX ADI EARLY 43 GEN GOOD 27 FAIR 46 GEN GOOD 11 POOR
MAX ADI LATE 4 VERY POOR 62 GOOD 5 VERY POOR 17 GEN POOR
MAX LVORI EARLY 9 3 9 5
MAX LVORI LATE 9 3 9 5
MIN VSBY EARLY 9 1 FOG 9 3 FOG
MIN VSBY LATE 1 FOG 9 5 FOG 3 FOG
SUNSHINE HOURS N/A N/A N/A N/A
CWR 0 0 30 60
REMARKS...NONE.
FORECAST FOR DAYS 3 THROUGH 7
THURSDAY NIGHT
PARTLY CLOUDY WITH SHOWERS LIKELY AND A CHANCE
OF THUNDERSTORMS. LOWS IN THE MID 60S. NORTHWEST WINDS AROUND
5 MPH.
FRIDAY
SUNNY. HIGHS IN THE MID 80S. NORTH WINDS AROUND 5 MPH.
FRIDAY NIGHT THROUGH SUNDAY
MOSTLY CLEAR. LOWS IN THE LOWER
60S. HIGHS IN THE UPPER 80S. SOUTHWEST WINDS AROUND 5 MPH.
SUNDAY NIGHT
MOSTLY CLEAR. LOWS IN THE MID 60S. SOUTHWEST
WINDS AROUND 5 MPH, BECOMING WEST AFTER MIDNIGHT.
MONDAY AND MONDAY NIGHT
PARTLY CLOUDY. LOWS IN THE LOWER 60S.
HIGHS IN THE MID 80S. EAST WINDS AROUND 5 MPH.
TUESDAY
MOSTLY SUNNY. HIGHS IN THE UPPER 70S. NORTHEAST WINDS
AROUND 5 MPH.
CTZ004-130800-
WINDHAM CT-
INCLUDING THE CITIES OF ASHFORD, PLAINFIELD, PUTNAM,
AND WILLIMANTIC
409 PM EDT TUE AUG 12 2025
TONIGHT WED WED NIGHT THU
CLOUD COVER MCLEAR PCLDY MCLDY MCLDY
PRECIP TYPE NONE NONE TSTMS TSTMS
CHANCE PRECIP (%) 10 40 70
CHANCE OF THUNDER (%) 0 0 30 50
TEMP (24H TREND) 65 (+5) 90 (-1) 68 85
RH % (24H TREND) 100 (0) 54 (+16) 100 69
20FT WND AM(MPH) LGT/VAR LGT/VAR
20FT WND PM(MPH) LGT/VAR SW 6 SW 5 LGT/VAR
PRECIP AMOUNT 0.00 0.00 0.10 0.30
PRECIP DURATION 2 7
PRECIP BEGIN 6 PM CONTINUING
PRECIP END CONTINUING CONTINUING
MIXING HGT (FT-AGL) 310 4940 300 3130
TRANSPORT WND (KTS) SW 7 SW 10 SW 6 W 7
VENT RATE (KT-FT) 2170 49400 1800 21910
MAX ADI EARLY 44 GEN GOOD 25 FAIR 39 FAIR 11 POOR
MAX ADI LATE 4 VERY POOR 62 GOOD 7 POOR 20 GEN POOR
MAX LVORI EARLY 9 3 9 4
MAX LVORI LATE 9 3 9 4
MIN VSBY EARLY 9 0 FOG 6 FOG 3 FOG
MIN VSBY LATE 0 FOG 9 2 FOG 3 FOG
SUNSHINE HOURS N/A N/A N/A N/A
CWR 0 0 30 60
REMARKS...NONE.
FORECAST FOR DAYS 3 THROUGH 7
THURSDAY NIGHT
PARTLY CLOUDY WITH SHOWERS LIKELY AND A CHANCE
OF THUNDERSTORMS. LOWS IN THE MID 60S. NORTHWEST WINDS AROUND
5 MPH.
FRIDAY
SUNNY. HIGHS IN THE MID 80S. NORTHEAST WINDS AROUND
5 MPH.
FRIDAY NIGHT THROUGH SUNDAY
MOSTLY CLEAR. LOWS IN THE LOWER
60S. HIGHS IN THE UPPER 80S. SOUTHWEST WINDS AROUND 5 MPH.
SUNDAY NIGHT AND MONDAY
PARTLY CLOUDY. LOWS IN THE MID 60S.
HIGHS IN THE MID 80S. SOUTHEAST WINDS AROUND 5 MPH.
MONDAY NIGHT
PARTLY CLOUDY. LOWS IN THE LOWER 60S. SOUTH WINDS
AROUND 5 MPH, BECOMING WEST AFTER MIDNIGHT.
TUESDAY
PARTLY SUNNY. HIGHS IN THE UPPER 70S. NORTHEAST WINDS
AROUND 5 MPH.
RIZ001-130800-
NORTHWEST PROVIDENCE RI-
INCLUDING THE CITIES OF CUMBERLAND, FOSTER, GLOCESTER,
AND SMITHFIELD
409 PM EDT TUE AUG 12 2025
TONIGHT WED WED NIGHT THU
CLOUD COVER MCLEAR PCLDY PCLDY MCLDY
PRECIP TYPE NONE NONE TSTMS TSTMS
CHANCE PRECIP (%) 10 40 70
CHANCE OF THUNDER (%) 0 0 30 50
TEMP (24H TREND) 66 (+1) 89 (-2) 69 84
RH % (24H TREND) 100 (0) 52 (+14) 100 69
20FT WND AM(MPH) LGT/VAR LGT/VAR
20FT WND PM(MPH) LGT/VAR SW 6 SW 5 LGT/VAR
PRECIP AMOUNT 0.00 0.00 0.08 0.31
PRECIP DURATION 2 7
PRECIP BEGIN 8 PM CONTINUING
PRECIP END CONTINUING CONTINUING
MIXING HGT (FT-AGL) 310 5050 350 2930
TRANSPORT WND (KTS) SW 7 SW 10 SW 7 W 8
VENT RATE (KT-FT) 2170 50500 2450 23440
MAX ADI EARLY 41 GEN GOOD 26 FAIR 50 GEN GOOD 12 POOR
MAX ADI LATE 5 VERY POOR 63 GOOD 8 POOR 21 FAIR
MAX LVORI EARLY 9 3 8 4
MAX LVORI LATE 9 3 8 4
MIN VSBY EARLY 9 5 FOG 8 4 FOG
MIN VSBY LATE 6 FOG 9 3 FOG 3 FOG
SUNSHINE HOURS N/A N/A N/A N/A
CWR 0 0 30 60
REMARKS...NONE.
FORECAST FOR DAYS 3 THROUGH 7
THURSDAY NIGHT
PARTLY CLOUDY WITH SHOWERS LIKELY AND A CHANCE
OF THUNDERSTORMS. LOWS IN THE MID 60S. NORTHWEST WINDS AROUND
5 MPH.
FRIDAY
SUNNY. HIGHS IN THE LOWER 80S. NORTHEAST WINDS AROUND
5 MPH.
FRIDAY NIGHT
MOSTLY CLEAR. LOWS AROUND 60. EAST WINDS AROUND
5 MPH, BECOMING SOUTHWEST AFTER MIDNIGHT.
SATURDAY THROUGH SUNDAY
MOSTLY CLEAR. LOWS IN THE LOWER 60S.
HIGHS IN THE MID 80S. SOUTHWEST WINDS AROUND 5 MPH.
SUNDAY NIGHT AND MONDAY
PARTLY CLOUDY. LOWS IN THE MID 60S.
HIGHS IN THE LOWER 80S. EAST WINDS AROUND 5 MPH.
MONDAY NIGHT
PARTLY CLOUDY. LOWS IN THE LOWER 60S. SOUTH WINDS
AROUND 5 MPH, BECOMING WEST AFTER MIDNIGHT.
TUESDAY
PARTLY SUNNY. HIGHS IN THE MID 70S. NORTHEAST WINDS
AROUND 5 MPH.
RIZ002-130800-
SOUTHEAST PROVIDENCE RI-
INCLUDING THE CITIES OF CRANSTON, JOHNSTON, PAWTUCKET,
AND PROVIDENCE
409 PM EDT TUE AUG 12 2025
TONIGHT WED WED NIGHT THU
CLOUD COVER MCLEAR PCLDY PCLDY MCLDY
PRECIP TYPE NONE NONE TSTMS TSTMS
CHANCE PRECIP (%) 10 30 70
CHANCE OF THUNDER (%) 0 0 20 40
TEMP (24H TREND) 67 (0) 89 (-2) 70 86
RH % (24H TREND) 100 (+3) 54 (+15) 100 69
20FT WND AM(MPH) LGT/VAR LGT/VAR
20FT WND PM(MPH) SW 5 S 7 SW 6 SW 5
PRECIP AMOUNT 0.00 0.00 0.05 0.31
PRECIP DURATION 2 7
PRECIP BEGIN 8 PM CONTINUING
PRECIP END CONTINUING CONTINUING
MIXING HGT (FT-AGL) 380 4700 450 3100
TRANSPORT WND (KTS) SW 7 SW 11 SW 11 SW 9
VENT RATE (KT-FT) 2660 51700 4950 27900
MAX ADI EARLY 43 GEN GOOD 32 FAIR 55 GEN GOOD 13 GEN POOR
MAX ADI LATE 5 VERY POOR 64 GOOD 8 POOR 23 FAIR
MAX LVORI EARLY 8 3 7 4
MAX LVORI LATE 8 3 7 4
MIN VSBY EARLY 9 9 8 5 FOG
MIN VSBY LATE 9 9 7 3 FOG
SUNSHINE HOURS N/A N/A N/A N/A
CWR 0 0 20 60
REMARKS...NONE.
FORECAST FOR DAYS 3 THROUGH 7
THURSDAY NIGHT
PARTLY CLOUDY WITH SHOWERS LIKELY AND A CHANCE
OF THUNDERSTORMS. LOWS IN THE UPPER 60S. NORTHWEST WINDS AROUND
5 MPH.
FRIDAY
SUNNY. HIGHS IN THE LOWER 80S. NORTHEAST WINDS 5 TO
10 MPH.
FRIDAY NIGHT
MOSTLY CLEAR. LOWS IN THE LOWER 60S. EAST WINDS
AROUND 5 MPH, BECOMING WEST AFTER MIDNIGHT.
SATURDAY THROUGH SUNDAY
MOSTLY CLEAR. LOWS IN THE LOWER 60S.
HIGHS IN THE MID 80S. SOUTHWEST WINDS 5 TO 10 MPH.
SUNDAY NIGHT AND MONDAY
PARTLY CLOUDY. LOWS IN THE UPPER 60S.
HIGHS IN THE LOWER 80S. EAST WINDS 5 TO 10 MPH.
MONDAY NIGHT
PARTLY CLOUDY. LOWS IN THE LOWER 60S. SOUTH WINDS
5 TO 10 MPH, BECOMING WEST AFTER MIDNIGHT.
TUESDAY
PARTLY SUNNY. HIGHS IN THE MID 70S. NORTHEAST WINDS
5 TO 10 MPH.
RIZ003-130800-
WESTERN KENT RI-
INCLUDING THE CITIES OF COVENTRY AND WEST GREENWICH
409 PM EDT TUE AUG 12 2025
TONIGHT WED WED NIGHT THU
CLOUD COVER MCLEAR PCLDY MCLDY MCLDY
PRECIP TYPE NONE NONE TSTMS TSTMS
CHANCE PRECIP (%) 10 40 70
CHANCE OF THUNDER (%) 0 0 30 40
TEMP (24H TREND) 65 (+2) 86 (-2) 69 83
RH % (24H TREND) 100 (0) 57 (+15) 100 72
20FT WND AM(MPH) LGT/VAR LGT/VAR
20FT WND PM(MPH) SW 5 SW 7 SW 6 LGT/VAR
PRECIP AMOUNT 0.00 0.00 0.05 0.26
PRECIP DURATION 2 7
PRECIP BEGIN 8 PM CONTINUING
PRECIP END CONTINUING CONTINUING
MIXING HGT (FT-AGL) 310 3900 290 2720
TRANSPORT WND (KTS) SW 9 SW 11 SW 7 SW 7
VENT RATE (KT-FT) 2790 42900 2030 19040
MAX ADI EARLY 34 FAIR 26 FAIR 47 GEN GOOD 11 POOR
MAX ADI LATE 5 VERY POOR 58 GEN GOOD 7 POOR 19 GEN POOR
MAX LVORI EARLY 9 3 9 4
MAX LVORI LATE 9 3 9 4
MIN VSBY EARLY 9 2 FOG 2 FOG 4 FOG
MIN VSBY LATE 2 FOG 9 1 FOG 4 FOG
SUNSHINE HOURS N/A N/A N/A N/A
CWR 0 0 20 60
REMARKS...NONE.
FORECAST FOR DAYS 3 THROUGH 7
THURSDAY NIGHT
PARTLY CLOUDY WITH SHOWERS LIKELY AND A CHANCE
OF THUNDERSTORMS. LOWS IN THE MID 60S. NORTHWEST WINDS AROUND
5 MPH.
FRIDAY
SUNNY. HIGHS IN THE LOWER 80S. NORTHEAST WINDS 5 TO
10 MPH.
FRIDAY NIGHT
MOSTLY CLEAR. LOWS AROUND 60. EAST WINDS AROUND
5 MPH, BECOMING NORTH AFTER MIDNIGHT.
SATURDAY THROUGH SUNDAY
MOSTLY CLEAR. LOWS IN THE LOWER 60S.
HIGHS IN THE MID 80S. SOUTHWEST WINDS 5 TO 10 MPH.
SUNDAY NIGHT AND MONDAY
PARTLY CLOUDY. LOWS IN THE MID 60S.
HIGHS IN THE LOWER 80S. EAST WINDS AROUND 5 MPH.
MONDAY NIGHT
PARTLY CLOUDY. LOWS IN THE LOWER 60S. SOUTH WINDS
AROUND 5 MPH, BECOMING WEST AFTER MIDNIGHT.
TUESDAY
PARTLY SUNNY. HIGHS IN THE MID 70S. NORTHEAST WINDS
5 TO 10 MPH.
RIZ004-130800-
EASTERN KENT RI-
INCLUDING THE CITIES OF EAST GREENWICH, WARWICK, AND WEST WARWICK
409 PM EDT TUE AUG 12 2025
TONIGHT WED WED NIGHT THU
CLOUD COVER MCLEAR PCLDY PCLDY MCLDY
PRECIP TYPE NONE NONE TSTMS TSTMS
CHANCE PRECIP (%) 10 30 70
CHANCE OF THUNDER (%) 0 0 20 40
TEMP (24H TREND) 67 (0) 87 (-1) 70 85
RH % (24H TREND) 100 (+19) 57 (+15) 100 67
20FT WND AM(MPH) LGT/VAR LGT/VAR
20FT WND PM(MPH) SW 5 S 8 SW 6 SW 5
PRECIP AMOUNT 0.00 0.00 0.04 0.28
PRECIP DURATION 2 7
PRECIP BEGIN 8 PM CONTINUING
PRECIP END CONTINUING CONTINUING
MIXING HGT (FT-AGL) 410 3800 390 2680
TRANSPORT WND (KTS) SW 9 SW 12 SW 8 SW 8
VENT RATE (KT-FT) 3690 45600 3120 21440
MAX ADI EARLY 30 FAIR 28 FAIR 47 GEN GOOD 13 GEN POOR
MAX ADI LATE 5 VERY POOR 55 GEN GOOD 8 POOR 20 GEN POOR
MAX LVORI EARLY 8 3 7 4
MAX LVORI LATE 8 3 7 4
MIN VSBY EARLY 9 5 FOG 5 FOG 5 FOG
MIN VSBY LATE 6 FOG 9 4 FOG 3 FOG
SUNSHINE HOURS N/A N/A N/A N/A
CWR 0 0 20 60
REMARKS...NONE.
FORECAST FOR DAYS 3 THROUGH 7
THURSDAY NIGHT
PARTLY CLOUDY WITH SHOWERS LIKELY AND A CHANCE
OF THUNDERSTORMS. LOWS IN THE UPPER 60S. WEST WINDS AROUND 5 MPH,
BECOMING NORTH AFTER MIDNIGHT.
FRIDAY
SUNNY. HIGHS IN THE LOWER 80S. NORTHEAST WINDS 5 TO
10 MPH.
FRIDAY NIGHT
MOSTLY CLEAR. LOWS IN THE LOWER 60S. EAST WINDS
5 TO 10 MPH, BECOMING NORTH AFTER MIDNIGHT.
SATURDAY
SUNNY. HIGHS IN THE LOWER 80S. NORTHEAST WINDS AROUND
5 MPH, BECOMING SOUTH IN THE AFTERNOON.
SATURDAY NIGHT AND SUNDAY
MOSTLY CLEAR. LOWS IN THE MID 60S.
HIGHS IN THE UPPER 80S. SOUTHWEST WINDS 5 TO 10 MPH.
SUNDAY NIGHT AND MONDAY
PARTLY CLOUDY. LOWS IN THE UPPER 60S.
HIGHS IN THE LOWER 80S. SOUTHEAST WINDS 5 TO 10 MPH.
MONDAY NIGHT AND TUESDAY
PARTLY CLOUDY. LOWS IN THE LOWER 60S.
HIGHS IN THE MID 70S. NORTHEAST WINDS 5 TO 10 MPH.
RIZ005-130800-
BRISTOL RI-
INCLUDING THE CITIES OF BARRINGTON, BRISTOL, AND WARREN
409 PM EDT TUE AUG 12 2025
TONIGHT WED WED NIGHT THU
CLOUD COVER MCLEAR PCLDY PCLDY MCLDY
PRECIP TYPE NONE NONE TSTMS TSTMS
CHANCE PRECIP (%) 10 30 70
CHANCE OF THUNDER (%) 0 0 20 40
TEMP (24H TREND) 67 (-1) 85 (-2) 71 84
RH % (24H TREND) 100 (+10) 63 (+18) 100 74
20FT WND AM(MPH) S 5 SW 5
20FT WND PM(MPH) SW 6 S 9 G17 S 7 SW 6
PRECIP AMOUNT 0.00 0.00 0.04 0.31
PRECIP DURATION 1 7
PRECIP BEGIN 8 PM CONTINUING
PRECIP END CONTINUING CONTINUING
MIXING HGT (FT-AGL) 390 2110 380 2010
TRANSPORT WND (KTS) SW 9 S 13 SW 8 SW 8
VENT RATE (KT-FT) 3510 27430 3040 16080
MAX ADI EARLY 17 GEN POOR 21 FAIR 25 FAIR 13 GEN POOR
MAX ADI LATE 6 VERY POOR 28 FAIR 9 POOR 18 GEN POOR
MAX LVORI EARLY 7 3 7 4
MAX LVORI LATE 7 3 7 4
MIN VSBY EARLY 9 2 FOG 2 FOG 5 FOG
MIN VSBY LATE 3 FOG 9 2 FOG 3 FOG
SUNSHINE HOURS N/A N/A N/A N/A
CWR 0 0 20 60
REMARKS...NONE.
FORECAST FOR DAYS 3 THROUGH 7
THURSDAY NIGHT
PARTLY CLOUDY WITH SHOWERS LIKELY AND A CHANCE
OF THUNDERSTORMS. LOWS IN THE UPPER 60S. WEST WINDS AROUND 5 MPH,
BECOMING NORTH AFTER MIDNIGHT.
FRIDAY AND FRIDAY NIGHT
MOSTLY CLEAR. LOWS 62 TO 68. HIGHS IN
THE LOWER 80S. NORTH WINDS 5 TO 10 MPH.
SATURDAY THROUGH SUNDAY
MOSTLY CLEAR. LOWS IN THE MID 60S.
HIGHS IN THE MID 80S. SOUTHWEST WINDS 5 TO 10 MPH.
SUNDAY NIGHT AND MONDAY
PARTLY CLOUDY. LOWS IN THE UPPER 60S.
HIGHS IN THE LOWER 80S. SOUTHEAST WINDS 5 TO 10 MPH.
MONDAY NIGHT AND TUESDAY
PARTLY CLOUDY. LOWS IN THE MID 60S.
HIGHS IN THE MID 70S. NORTHEAST WINDS 5 TO 10 MPH.
RIZ006-130800-
WASHINGTON RI-
INCLUDING THE CITIES OF KINGSTON, NARRAGANSETT, RICHMOND,
AND WESTERLY
409 PM EDT TUE AUG 12 2025
TONIGHT WED WED NIGHT THU
CLOUD COVER PCLDY PCLDY MCLDY MCLDY
PRECIP TYPE NONE NONE TSTMS TSTMS
CHANCE PRECIP (%) 10 40 70
CHANCE OF THUNDER (%) 0 0 30 40
TEMP (24H TREND) 64 (+1) 85 (0) 68 82
RH % (24H TREND) 100 (0) 61 (+18) 100 72
20FT WND AM(MPH) SW 5 LGT/VAR
20FT WND PM(MPH) SW 5 SW 8 SW 6 SW 5
PRECIP AMOUNT 0.00 0.00 0.04 0.24
PRECIP DURATION 2 7
PRECIP BEGIN 8 PM CONTINUING
PRECIP END CONTINUING CONTINUING
MIXING HGT (FT-AGL) 350 2700 370 2280
TRANSPORT WND (KTS) SW 9 SW 12 SW 8 SW 7
VENT RATE (KT-FT) 3150 32400 2960 15960
MAX ADI EARLY 23 FAIR 22 FAIR 30 FAIR 10 POOR
MAX ADI LATE 6 VERY POOR 37 FAIR 7 POOR 15 GEN POOR
MAX LVORI EARLY 9 3 8 4
MAX LVORI LATE 9 3 8 4
MIN VSBY EARLY 9 0 FOG 1 FOG 5 FOG
MIN VSBY LATE 0 FOG 9 1 FOG 4 FOG
SUNSHINE HOURS N/A N/A N/A N/A
CWR 0 0 20 50
REMARKS...NONE.
FORECAST FOR DAYS 3 THROUGH 7
THURSDAY NIGHT
PARTLY CLOUDY WITH SHOWERS LIKELY AND A CHANCE
OF THUNDERSTORMS. LOWS IN THE MID 60S. WEST WINDS AROUND 5 MPH,
BECOMING NORTH AFTER MIDNIGHT.
FRIDAY AND FRIDAY NIGHT
MOSTLY CLEAR. LOWS 60 TO 66. HIGHS IN
THE LOWER 80S. NORTHEAST WINDS 5 TO 10 MPH.
SATURDAY
SUNNY. HIGHS AROUND 80. EAST WINDS AROUND 5 MPH,
BECOMING SOUTH IN THE AFTERNOON.
SATURDAY NIGHT AND SUNDAY
MOSTLY CLEAR. LOWS IN THE LOWER 60S.
HIGHS IN THE MID 80S. SOUTHWEST WINDS 5 TO 10 MPH.
SUNDAY NIGHT THROUGH MONDAY NIGHT
PARTLY CLOUDY. LOWS IN THE
MID 60S. HIGHS IN THE LOWER 80S. WEST WINDS 5 TO 10 MPH.
TUESDAY
PARTLY SUNNY. HIGHS IN THE MID 70S. NORTHEAST WINDS
5 TO 10 MPH.
RIZ007-130800-
NEWPORT RI-
INCLUDING THE CITIES OF NEWPORT, PORTSMOUTH, AND TIVERTON
409 PM EDT TUE AUG 12 2025
TONIGHT WED WED NIGHT THU
CLOUD COVER PCLDY PCLDY MCLDY MCLDY
PRECIP TYPE NONE NONE SHOWERS TSTMS
CHANCE PRECIP (%) 10 30 70
CHANCE OF THUNDER (%) 0 0 0 40
TEMP (24H TREND) 67 (0) 83 (0) 69 83
RH % (24H TREND) 100 (0) 67 (+21) 100 72
20FT WND AM(MPH) SW 6 SW 5
20FT WND PM(MPH) SW 7 SW 10 G17 SW 8 SW 7
PRECIP AMOUNT 0.00 0.00 0.03 0.26
PRECIP DURATION 1 7
PRECIP BEGIN 8 PM CONTINUING
PRECIP END CONTINUING CONTINUING
MIXING HGT (FT-AGL) 350 1600 350 1500
TRANSPORT WND (KTS) SW 10 S 13 SW 10 SW 8
VENT RATE (KT-FT) 3500 20800 3500 12000
MAX ADI EARLY 16 GEN POOR 19 GEN POOR 24 FAIR 11 POOR
MAX ADI LATE 9 POOR 26 FAIR 10 POOR 14 GEN POOR
MAX LVORI EARLY 8 4 7 5
MAX LVORI LATE 8 4 7 5
MIN VSBY EARLY 9 0 FOG 2 FOG 5 FOG
MIN VSBY LATE 1 FOG 7 3 FOG 4 FOG
SUNSHINE HOURS N/A N/A N/A N/A
CWR 0 0 20 60
REMARKS...NONE.
FORECAST FOR DAYS 3 THROUGH 7
THURSDAY NIGHT
PARTLY CLOUDY WITH SHOWERS LIKELY AND A CHANCE
OF THUNDERSTORMS. LOWS IN THE UPPER 60S. WEST WINDS AROUND 5 MPH,
BECOMING NORTH AFTER MIDNIGHT.
FRIDAY AND FRIDAY NIGHT
MOSTLY CLEAR. LOWS 63 TO 68. HIGHS
AROUND 80. NORTHEAST WINDS 5 TO 10 MPH.
SATURDAY THROUGH SUNDAY
MOSTLY CLEAR. LOWS IN THE MID 60S.
HIGHS IN THE LOWER 80S. SOUTHWEST WINDS 10 TO 15 MPH.
SUNDAY NIGHT THROUGH MONDAY NIGHT
PARTLY CLOUDY. LOWS IN THE
UPPER 60S. HIGHS AROUND 80. WEST WINDS 10 TO 15 MPH.
TUESDAY
PARTLY SUNNY. HIGHS IN THE MID 70S. NORTHEAST WINDS
10 TO 15 MPH.
RIZ008-130800-
BLOCK ISLAND RI-
INCLUDING THE CITY OF NEW SHOREHAM
409 PM EDT TUE AUG 12 2025
TONIGHT WED WED NIGHT THU
CLOUD COVER PCLDY PCLDY MCLDY MCLDY
PRECIP TYPE NONE NONE SHOWERS TSTMS
CHANCE PRECIP (%) 10 40 60
CHANCE OF THUNDER (%) 0 0 0 30
TEMP (24H TREND) 67 (0) 78 (+1) 68 78
RH % (24H TREND) 100 (+3) 79 (+10) 100 82
20FT WND AM(MPH) SW 7 SW 6
20FT WND PM(MPH) SW 7 SW 9 SW 8 SW 6
PRECIP AMOUNT 0.00 0.00 0.04 0.24
PRECIP DURATION 2 7
PRECIP BEGIN 8 PM CONTINUING
PRECIP END CONTINUING CONTINUING
MIXING HGT (FT-AGL) 370 710 390 520
TRANSPORT WND (KTS) SW 16 SW 12 SW 10 SW 7
VENT RATE (KT-FT) 5920 8520 3900 3640
MAX ADI EARLY 18 GEN POOR 16 GEN POOR 15 GEN POOR 11 POOR
MAX ADI LATE 14 GEN POOR 21 FAIR 12 POOR 10 POOR
MAX LVORI EARLY 8 7 8 6
MAX LVORI LATE 8 7 8 6
MIN VSBY EARLY 9 0 FOG 0 FOG 5 FOG
MIN VSBY LATE 0 FOG 7 3 FOG 5 FOG
SUNSHINE HOURS N/A N/A N/A N/A
CWR 0 0 20 50
REMARKS...NONE.
FORECAST FOR DAYS 3 THROUGH 7
THURSDAY NIGHT
PARTLY CLOUDY WITH SHOWERS LIKELY AND A CHANCE
OF THUNDERSTORMS. LOWS IN THE UPPER 60S. WEST WINDS AROUND 5 MPH,
BECOMING NORTH AFTER MIDNIGHT.
FRIDAY AND FRIDAY NIGHT
MOSTLY CLEAR. LOWS IN THE UPPER 60S.
HIGHS IN THE UPPER 70S. EAST WINDS 5 TO 10 MPH.
SATURDAY
SUNNY. HIGHS IN THE MID 70S. EAST WINDS AROUND 5 MPH,
BECOMING SOUTH IN THE AFTERNOON.
SATURDAY NIGHT AND SUNDAY
MOSTLY CLEAR. LOWS IN THE UPPER 60S.
HIGHS IN THE UPPER 70S. SOUTHWEST WINDS 5 TO 10 MPH.
SUNDAY NIGHT
PARTLY CLOUDY. LOWS IN THE UPPER 60S. SOUTHWEST
WINDS 5 TO 10 MPH.
MONDAY
SUNNY. HIGHS IN THE MID 70S. NORTH WINDS AROUND 10 MPH,
BECOMING SOUTHEAST IN THE AFTERNOON.
MONDAY NIGHT AND TUESDAY
PARTLY CLOUDY. LOWS IN THE MID 60S.
HIGHS IN THE MID 70S. EAST WINDS 10 TO 15 MPH.
MAZ017-130800-
NORTHERN BRISTOL MA-
INCLUDING THE CITIES OF ATTLEBORO, BERKLEY, EASTON, MANSFIELD,
REHOBOTH, AND TAUNTON
409 PM EDT TUE AUG 12 2025
TONIGHT WED WED NIGHT THU
CLOUD COVER MCLEAR PCLDY PCLDY MCLDY
PRECIP TYPE NONE NONE TSTMS TSTMS
CHANCE PRECIP (%) 10 30 70
CHANCE OF THUNDER (%) 0 0 20 40
TEMP (24H TREND) 65 (+2) 90 (-2) 69 85
RH % (24H TREND) 100 (0) 52 (+17) 100 65
20FT WND AM(MPH) LGT/VAR LGT/VAR
20FT WND PM(MPH) LGT/VAR S 7 SW 5 LGT/VAR
PRECIP AMOUNT 0.00 0.00 0.05 0.28
PRECIP DURATION 1 7
PRECIP BEGIN 8 PM CONTINUING
PRECIP END CONTINUING CONTINUING
MIXING HGT (FT-AGL) 410 3970 430 2750
TRANSPORT WND (KTS) SW 7 S 13 SW 8 SW 9
VENT RATE (KT-FT) 2870 51610 3440 24750
MAX ADI EARLY 30 FAIR 26 FAIR 42 GEN GOOD 17 GEN POOR
MAX ADI LATE 5 VERY POOR 59 GEN GOOD 8 POOR 22 FAIR
MAX LVORI EARLY 9 3 8 4
MAX LVORI LATE 9 3 8 4
MIN VSBY EARLY 9 6 FOG 4 FOG 5 FOG
MIN VSBY LATE 6 FOG 9 3 FOG 3 FOG
SUNSHINE HOURS N/A N/A N/A N/A
CWR 0 0 20 60
REMARKS...NONE.
FORECAST FOR DAYS 3 THROUGH 7
THURSDAY NIGHT
PARTLY CLOUDY WITH SHOWERS LIKELY AND A CHANCE
OF THUNDERSTORMS. LOWS IN THE MID 60S. WEST WINDS AROUND 5 MPH,
BECOMING NORTH AFTER MIDNIGHT.
FRIDAY
SUNNY. HIGHS IN THE LOWER 80S. NORTHEAST WINDS AROUND
5 MPH.
FRIDAY NIGHT
MOSTLY CLEAR. LOWS IN THE UPPER 50S. EAST WINDS
AROUND 5 MPH IN THE EVENING, BECOMING LIGHT AND VARIABLE.
SATURDAY THROUGH SUNDAY
MOSTLY CLEAR. LOWS IN THE LOWER 60S.
HIGHS IN THE UPPER 80S. SOUTHWEST WINDS 5 TO 10 MPH.
SUNDAY NIGHT AND MONDAY
PARTLY CLOUDY. LOWS IN THE MID 60S.
HIGHS IN THE LOWER 80S. EAST WINDS AROUND 5 MPH.
MONDAY NIGHT
PARTLY CLOUDY. LOWS IN THE LOWER 60S. SOUTH WINDS
AROUND 5 MPH, BECOMING WEST AFTER MIDNIGHT.
TUESDAY
PARTLY SUNNY. HIGHS IN THE MID 70S. NORTHEAST WINDS
AROUND 5 MPH.
MAZ018-130800-
WESTERN PLYMOUTH MA-
INCLUDING THE CITIES OF BRIDGEWATER, BROCKTON, CARVER,
MIDDLEBORO, AND PEMBROKE
409 PM EDT TUE AUG 12 2025
TONIGHT WED WED NIGHT THU
CLOUD COVER MCLEAR PCLDY PCLDY MCLDY
PRECIP TYPE NONE NONE TSTMS TSTMS
CHANCE PRECIP (%) 10 30 70
CHANCE OF THUNDER (%) 0 0 20 40
TEMP (24H TREND) 64 (-1) 90 (-2) 68 86
RH % (24H TREND) 100 (0) 50 (+15) 100 65
20FT WND AM(MPH) LGT/VAR LGT/VAR
20FT WND PM(MPH) SW 5 S 7 SW 6 SW 5
PRECIP AMOUNT 0.00 0.00 0.04 0.25
PRECIP DURATION 1 6
PRECIP BEGIN 8 PM CONTINUING
PRECIP END CONTINUING CONTINUING
MIXING HGT (FT-AGL) 400 3900 390 3040
TRANSPORT WND (KTS) SW 8 S 13 SW 9 SW 10
VENT RATE (KT-FT) 3200 50700 3510 30400
MAX ADI EARLY 27 FAIR 26 FAIR 44 GEN GOOD 20 GEN POOR
MAX ADI LATE 5 VERY POOR 60 GEN GOOD 9 POOR 26 FAIR
MAX LVORI EARLY 9 2 7 4
MAX LVORI LATE 9 2 7 4
MIN VSBY EARLY 9 6 FOG 6 FOG 5 FOG
MIN VSBY LATE 6 FOG 9 3 FOG 4 FOG
SUNSHINE HOURS N/A N/A N/A N/A
CWR 0 0 20 60
REMARKS...NONE.
FORECAST FOR DAYS 3 THROUGH 7
THURSDAY NIGHT
PARTLY CLOUDY WITH SHOWERS LIKELY AND A CHANCE
OF THUNDERSTORMS. LOWS IN THE MID 60S. WEST WINDS AROUND 5 MPH,
BECOMING NORTH AFTER MIDNIGHT.
FRIDAY
SUNNY. HIGHS IN THE UPPER 70S. NORTHEAST WINDS 5 TO
10 MPH.
FRIDAY NIGHT
MOSTLY CLEAR. LOWS IN THE UPPER 50S. EAST WINDS
AROUND 5 MPH IN THE EVENING, BECOMING LIGHT AND VARIABLE.
SATURDAY
SUNNY. HIGHS IN THE MID 80S. SOUTH WINDS AROUND
5 MPH.
SATURDAY NIGHT AND SUNDAY
MOSTLY CLEAR. LOWS IN THE LOWER 60S.
HIGHS IN THE UPPER 80S. SOUTHWEST WINDS 5 TO 10 MPH.
SUNDAY NIGHT AND MONDAY
PARTLY CLOUDY. LOWS IN THE MID 60S.
HIGHS AROUND 80. NORTHEAST WINDS 5 TO 10 MPH.
MONDAY NIGHT
PARTLY CLOUDY. LOWS IN THE LOWER 60S. SOUTHEAST
WINDS AROUND 5 MPH, BECOMING WEST AFTER MIDNIGHT.
TUESDAY
PARTLY SUNNY. HIGHS IN THE MID 70S. NORTHEAST WINDS
5 TO 10 MPH.
MAZ019-130800-
EASTERN PLYMOUTH MA-
INCLUDING THE CITIES OF COHASSET, HINGHAM, MARSHFIELD, PLYMOUTH,
AND SCITUATE
409 PM EDT TUE AUG 12 2025
TONIGHT WED WED NIGHT THU
CLOUD COVER MCLEAR MCLEAR PCLDY MCLDY
PRECIP TYPE NONE NONE TSTMS TSTMS
CHANCE PRECIP (%) 10 30 70
CHANCE OF THUNDER (%) 0 0 20 40
TEMP (24H TREND) 64 (-3) 88 (-1) 68 85
RH % (24H TREND) 100 (0) 50 (+14) 100 65
20FT WND AM(MPH) SW 5 SW 5
20FT WND PM(MPH) SW 6 S 8 G18 SW 7 G18 SW 5
PRECIP AMOUNT 0.00 0.00 0.03 0.27
PRECIP DURATION 1 6
PRECIP BEGIN 8 PM CONTINUING
PRECIP END CONTINUING CONTINUING
MIXING HGT (FT-AGL) 360 2560 400 2580
TRANSPORT WND (KTS) S 12 S 13 SW 10 SW 10
VENT RATE (KT-FT) 4320 33280 4000 25800
MAX ADI EARLY 15 GEN POOR 21 FAIR 21 FAIR 17 GEN POOR
MAX ADI LATE 7 POOR 26 FAIR 13 GEN POOR 21 FAIR
MAX LVORI EARLY 7 3 6 4
MAX LVORI LATE 7 3 6 4
MIN VSBY EARLY 9 7 7 5 FOG
MIN VSBY LATE 7 9 4 FOG 3 FOG
SUNSHINE HOURS N/A N/A N/A N/A
CWR 0 0 20 60
REMARKS...NONE.
FORECAST FOR DAYS 3 THROUGH 7
THURSDAY NIGHT
MOSTLY CLOUDY WITH SHOWERS LIKELY AND A CHANCE
OF THUNDERSTORMS. LOWS IN THE MID 60S. SOUTHWEST WINDS 5 TO
10 MPH, BECOMING NORTH AFTER MIDNIGHT.
FRIDAY
SUNNY. HIGHS IN THE MID 70S. NORTHEAST WINDS 10 TO
15 MPH.
FRIDAY NIGHT
MOSTLY CLEAR. LOWS IN THE LOWER 60S. EAST WINDS
5 TO 10 MPH, BECOMING WEST AFTER MIDNIGHT.
SATURDAY
SUNNY. HIGHS IN THE LOWER 80S. SOUTHEAST WINDS 5 TO
10 MPH.
SATURDAY NIGHT AND SUNDAY
MOSTLY CLEAR. LOWS IN THE MID 60S.
HIGHS IN THE MID 80S. SOUTHWEST WINDS 5 TO 10 MPH.
SUNDAY NIGHT THROUGH TUESDAY
PARTLY CLOUDY. LOWS IN THE MID
60S. HIGHS IN THE MID 70S. NORTHEAST WINDS 10 TO 15 MPH.
MAZ020-130800-
SOUTHERN BRISTOL MA-
INCLUDING THE CITIES OF ACUSHNET, FALL RIVER, NEW BEDFORD,
SWANSEA, AND WESTPORT
409 PM EDT TUE AUG 12 2025
TONIGHT WED WED NIGHT THU
CLOUD COVER PCLDY PCLDY MCLDY MCLDY
PRECIP TYPE NONE NONE SHOWERS TSTMS
CHANCE PRECIP (%) 10 30 70
CHANCE OF THUNDER (%) 0 0 0 40
TEMP (24H TREND) 65 (-1) 86 (-1) 68 85
RH % (24H TREND) 100 (0) 59 (+17) 100 69
20FT WND AM(MPH) SW 6 SW 5
20FT WND PM(MPH) SW 6 SW 9 G17 SW 7 SW 6
PRECIP AMOUNT 0.00 0.00 0.03 0.26
PRECIP DURATION 1 6
PRECIP BEGIN 8 PM CONTINUING
PRECIP END CONTINUING CONTINUING
MIXING HGT (FT-AGL) 380 2340 370 2240
TRANSPORT WND (KTS) SW 9 SW 14 SW 9 SW 9
VENT RATE (KT-FT) 3420 32760 3330 20160
MAX ADI EARLY 21 FAIR 22 FAIR 31 FAIR 14 GEN POOR
MAX ADI LATE 7 POOR 32 FAIR 8 POOR 18 GEN POOR
MAX LVORI EARLY 9 3 7 4
MAX LVORI LATE 9 3 7 4
MIN VSBY EARLY 9 1 FOG 2 FOG 5 FOG
MIN VSBY LATE 1 FOG 8 2 FOG 3 FOG
SUNSHINE HOURS N/A N/A N/A N/A
CWR 0 0 20 60
REMARKS...NONE.
FORECAST FOR DAYS 3 THROUGH 7
THURSDAY NIGHT
MOSTLY CLOUDY WITH SHOWERS LIKELY AND A CHANCE
OF THUNDERSTORMS. LOWS IN THE MID 60S. WEST WINDS 5 TO 10 MPH,
BECOMING NORTH AFTER MIDNIGHT.
FRIDAY AND FRIDAY NIGHT
MOSTLY CLEAR. LOWS 61 TO 66. HIGHS IN
THE LOWER 80S. NORTH WINDS 10 TO 15 MPH.
SATURDAY THROUGH SUNDAY
MOSTLY CLEAR. LOWS IN THE LOWER 60S.
HIGHS IN THE LOWER 80S. SOUTHWEST WINDS 10 TO 15 MPH.
SUNDAY NIGHT THROUGH MONDAY NIGHT
PARTLY CLOUDY. LOWS IN THE
MID 60S. HIGHS IN THE LOWER 80S. WEST WINDS 10 TO 15 MPH.
TUESDAY
PARTLY SUNNY. HIGHS IN THE MID 70S. NORTHEAST WINDS
10 TO 15 MPH.
MAZ021-130800-
SOUTHERN PLYMOUTH MA-
INCLUDING THE CITIES OF MARION, MATTAPOISETT, ROCHESTER,
AND WAREHAM
409 PM EDT TUE AUG 12 2025
TONIGHT WED WED NIGHT THU
CLOUD COVER PCLDY PCLDY MCLDY MCLDY
PRECIP TYPE NONE NONE SHOWERS TSTMS
CHANCE PRECIP (%) 10 30 70
CHANCE OF THUNDER (%) 0 0 0 40
TEMP (24H TREND) 64 (-2) 86 (-1) 68 84
RH % (24H TREND) 100 (+3) 61 (+19) 100 72
20FT WND AM(MPH) SW 6 SW 5
20FT WND PM(MPH) SW 5 SW 9 G19 SW 7 G18 SW 6
PRECIP AMOUNT 0.00 0.00 0.03 0.25
PRECIP DURATION 1 6
PRECIP BEGIN 8 PM CONTINUING
PRECIP END CONTINUING CONTINUING
MIXING HGT (FT-AGL) 430 2310 420 2250
TRANSPORT WND (KTS) SW 10 SW 13 SW 9 SW 10
VENT RATE (KT-FT) 4300 30030 3780 22500
MAX ADI EARLY 21 FAIR 24 FAIR 35 FAIR 18 GEN POOR
MAX ADI LATE 8 POOR 34 FAIR 9 POOR 21 FAIR
MAX LVORI EARLY 9 3 7 4
MAX LVORI LATE 9 3 7 4
MIN VSBY EARLY 9 2 FOG 2 FOG 5 FOG
MIN VSBY LATE 3 FOG 8 2 FOG 4 FOG
SUNSHINE HOURS N/A N/A N/A N/A
CWR 0 0 20 60
REMARKS...NONE.
FORECAST FOR DAYS 3 THROUGH 7
THURSDAY NIGHT
MOSTLY CLOUDY WITH SHOWERS LIKELY AND A CHANCE
OF THUNDERSTORMS. LOWS IN THE MID 60S. WEST WINDS 5 TO 10 MPH,
BECOMING NORTH AFTER MIDNIGHT.
FRIDAY AND FRIDAY NIGHT
MOSTLY CLEAR. LOWS 61 TO 66. HIGHS IN
THE UPPER 70S. NORTH WINDS 10 TO 15 MPH.
SATURDAY
SUNNY. HIGHS IN THE LOWER 80S. NORTHEAST WINDS AROUND
5 MPH, BECOMING SOUTH IN THE AFTERNOON.
SATURDAY NIGHT AND SUNDAY
MOSTLY CLEAR. LOWS IN THE MID 60S.
HIGHS IN THE MID 80S. SOUTHWEST WINDS 10 TO 15 MPH.
SUNDAY NIGHT THROUGH MONDAY NIGHT
PARTLY CLOUDY. LOWS IN THE
MID 60S. HIGHS IN THE LOWER 80S. WEST WINDS 10 TO 15 MPH.
TUESDAY
PARTLY SUNNY. HIGHS IN THE MID 70S. NORTHEAST WINDS
10 TO 15 MPH.
MAZ022-130800-
BARNSTABLE MA-
INCLUDING THE CITIES OF BOURNE, CHATHAM, FALMOUTH, HYANNIS,
PROVINCETOWN, AND WELLFLEET
409 PM EDT TUE AUG 12 2025
TONIGHT WED WED NIGHT THU
CLOUD COVER MCLEAR PCLDY MCLDY MCLDY
PRECIP TYPE NONE NONE SHOWERS TSTMS
CHANCE PRECIP (%) 30 70
CHANCE OF THUNDER (%) 0 0 0 30
TEMP (24H TREND) 65 (-3) 82 (-2) 67 83
RH % (24H TREND) 100 (0) 63 (+18) 100 67
20FT WND AM(MPH) SW 7 SW 6
20FT WND PM(MPH) SW 6 SW 9 G18 SW 8 G17 SW 7
PRECIP AMOUNT 0.00 0.00 0.01 0.21
PRECIP DURATION 1 5
PRECIP BEGIN 8 PM CONTINUING
PRECIP END CONTINUING CONTINUING
MIXING HGT (FT-AGL) 340 1680 470 1930
TRANSPORT WND (KTS) W 13 SW 16 SW 12 SW 10
VENT RATE (KT-FT) 4420 26880 5640 19300
MAX ADI EARLY 15 GEN POOR 20 GEN POOR 27 FAIR 18 GEN POOR
MAX ADI LATE 10 POOR 28 FAIR 14 GEN POOR 18 GEN POOR
MAX LVORI EARLY 8 4 8 4
MAX LVORI LATE 8 4 8 4
MIN VSBY EARLY 9 3 FOG 4 FOG 5 FOG
MIN VSBY LATE 3 FOG 9 3 FOG 5 FOG
SUNSHINE HOURS N/A N/A N/A N/A
CWR 0 0 20 50
REMARKS...NONE.
FORECAST FOR DAYS 3 THROUGH 7
THURSDAY NIGHT
MOSTLY CLOUDY WITH SHOWERS LIKELY AND A CHANCE
OF THUNDERSTORMS. LOWS IN THE UPPER 60S. WEST WINDS 5 TO 10 MPH,
BECOMING NORTHWEST AFTER MIDNIGHT.
FRIDAY AND FRIDAY NIGHT
MOSTLY CLEAR. LOWS IN THE MID 60S.
HIGHS IN THE UPPER 70S. NORTHEAST WINDS 10 TO 15 MPH.
SATURDAY
SUNNY. HIGHS IN THE UPPER 70S. NORTHEAST WINDS 5 TO
10 MPH, BECOMING SOUTHEAST IN THE AFTERNOON.
SATURDAY NIGHT AND SUNDAY
MOSTLY CLEAR. LOWS IN THE MID 60S.
HIGHS IN THE LOWER 80S. SOUTHWEST WINDS 10 TO 15 MPH.
SUNDAY NIGHT THROUGH TUESDAY
PARTLY CLOUDY. LOWS IN THE MID
60S. HIGHS IN THE UPPER 70S. NORTHEAST WINDS 10 TO 15 MPH.
MAZ023-130800-
DUKES MA-
INCLUDING THE CITIES OF EDGARTOWN, OAK BLUFFS, AND VINEYARD HAVEN
409 PM EDT TUE AUG 12 2025
TONIGHT WED WED NIGHT THU
CLOUD COVER PCLDY PCLDY MCLDY MCLDY
PRECIP TYPE NONE NONE SHOWERS TSTMS
CHANCE PRECIP (%) 30 70
CHANCE OF THUNDER (%) 0 0 0 30
TEMP (24H TREND) 64 (-2) 80 (+1) 66 81
RH % (24H TREND) 100 (0) 72 (+13) 100 77
20FT WND AM(MPH) SW 8 SW 7
20FT WND PM(MPH) SW 7 SW 10 G17 SW 8 SW 8
PRECIP AMOUNT 0.00 0.00 0.02 0.23
PRECIP DURATION 1 6
PRECIP BEGIN 8 PM CONTINUING
PRECIP END CONTINUING CONTINUING
MIXING HGT (FT-AGL) 420 1050 430 1250
TRANSPORT WND (KTS) SW 14 SW 14 SW 11 SW 9
VENT RATE (KT-FT) 5880 14700 4730 11250
MAX ADI EARLY 18 GEN POOR 16 GEN POOR 17 GEN POOR 12 POOR
MAX ADI LATE 13 GEN POOR 22 FAIR 12 POOR 13 GEN POOR
MAX LVORI EARLY 7 6 7 5
MAX LVORI LATE 7 6 7 5
MIN VSBY EARLY 9 0 FOG 2 FOG 4 FOG
MIN VSBY LATE 0 FOG 7 2 FOG 5 FOG
SUNSHINE HOURS N/A N/A N/A N/A
CWR 0 0 20 50
REMARKS...NONE.
FORECAST FOR DAYS 3 THROUGH 7
THURSDAY NIGHT
MOSTLY CLOUDY WITH SHOWERS LIKELY AND A CHANCE
OF THUNDERSTORMS. LOWS IN THE MID 60S. WEST WINDS 5 TO 10 MPH,
BECOMING NORTHWEST AFTER MIDNIGHT.
FRIDAY AND FRIDAY NIGHT
MOSTLY CLEAR. LOWS IN THE MID 60S.
HIGHS IN THE UPPER 70S. NORTHEAST WINDS 10 TO 15 MPH.
SATURDAY
SUNNY. HIGHS IN THE UPPER 70S. NORTHEAST WINDS 5 TO
10 MPH, BECOMING SOUTHEAST IN THE AFTERNOON.
SATURDAY NIGHT AND SUNDAY
MOSTLY CLEAR. LOWS IN THE MID 60S.
HIGHS IN THE UPPER 70S. SOUTHWEST WINDS 10 TO 15 MPH.
SUNDAY NIGHT THROUGH TUESDAY
PARTLY CLOUDY. LOWS IN THE MID
60S. HIGHS IN THE MID 70S. NORTHEAST WINDS 10 TO 15 MPH.
MAZ024-130800-
NANTUCKET MA-
INCLUDING THE CITY OF NANTUCKET
409 PM EDT TUE AUG 12 2025
TONIGHT WED WED NIGHT THU
CLOUD COVER MCLEAR PCLDY MCLDY MCLDY
PRECIP TYPE NONE NONE SHOWERS TSTMS
CHANCE PRECIP (%) 30 60
CHANCE OF THUNDER (%) 0 0 0 30
TEMP (24H TREND) 65 (-2) 79 (+1) 67 79
RH % (24H TREND) 100 (0) 74 (+10) 100 77
20FT WND AM(MPH) SW 8 SW 8
20FT WND PM(MPH) SW 7 SW 10 SW 8 SW 8
PRECIP AMOUNT 0.00 0.00 0.01 0.19
PRECIP DURATION 0 5
PRECIP BEGIN 2 AM CONTINUING
PRECIP END CONTINUING CONTINUING
MIXING HGT (FT-AGL) 430 1050 530 690
TRANSPORT WND (KTS) W 15 SW 15 S 13 SW 10
VENT RATE (KT-FT) 6450 15750 6890 6900
MAX ADI EARLY 17 GEN POOR 18 GEN POOR 23 FAIR 15 GEN POOR
MAX ADI LATE 12 POOR 23 FAIR 14 GEN POOR 13 GEN POOR
MAX LVORI EARLY 7 5 5 6
MAX LVORI LATE 7 5 5 6
MIN VSBY EARLY 9 2 FOG 5 FOG 8
MIN VSBY LATE 7 9 5 FOG 5 FOG
SUNSHINE HOURS N/A N/A N/A N/A
CWR 0 0 20 50
REMARKS...NONE.
FORECAST FOR DAYS 3 THROUGH 7
THURSDAY NIGHT
MOSTLY CLOUDY WITH SHOWERS LIKELY AND A CHANCE
OF THUNDERSTORMS. LOWS IN THE UPPER 60S. WEST WINDS 5 TO 10 MPH,
BECOMING NORTHWEST AFTER MIDNIGHT.
FRIDAY
MOSTLY SUNNY. HIGHS IN THE MID 70S. NORTH WINDS 10 TO
15 MPH.
FRIDAY NIGHT
MOSTLY CLEAR. LOWS IN THE MID 60S. NORTHEAST
WINDS 5 TO 10 MPH.
SATURDAY
SUNNY. HIGHS IN THE MID 70S. NORTHEAST WINDS 5 TO
10 MPH, BECOMING EAST IN THE AFTERNOON.
SATURDAY NIGHT AND SUNDAY
MOSTLY CLEAR. LOWS IN THE MID 60S.
HIGHS IN THE UPPER 70S. SOUTHWEST WINDS 10 TO 15 MPH.
SUNDAY NIGHT THROUGH TUESDAY
PARTLY CLOUDY. LOWS IN THE MID
60S. HIGHS IN THE MID 70S. NORTHEAST WINDS 10 TO 15 MPH.
OUTLOOK 8 TO 14 DAYS
TEMPERATURES BELOW NORMAL. PRECIPITATION NEAR NORMAL.
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