Routine Fire Wx Fcst (With/Without 6-10 Day Outlook)
Issued by NWS Boston, MA
Issued by NWS Boston, MA
667
FNUS51 KBOX 172008
FWFBOX
Fire Weather Planning Forecast for Southern New England
National Weather Service Boston/Norton MA
407 PM EDT Mon Aug 17 2026
.DISCUSSION...
Humid conditions persist this afternoon and evening with some
scattered showers, mainly over the south coastal areas. WInds
becoming light northerly tonight into Tuesday with drier
conditions Tuesday afternoon. Highs in the low to mid 80s on
Tuesday with MinRH values generally between 60 and 80 percent.
.Outlook...Wednesday through Saturday...
Mainly dry weather with seasonable temperatures through the end
of the week. The best chance of a few showers/thunderstorms will
be on Thursday.
MAZ015-180800-
Suffolk MA-
Including the city of Boston
407 PM EDT Mon Aug 17 2026
Tonight Tue Tue Night Wed
Cloud Cover Mcldy Mcldy Pcldy Mclear
Precip Type Showers Showers Showers None
Chance Precip (%) 30 20 20
Chance of Thunder (%) 0 0 0 0
Temp (24h trend) 66 (-1) 82 (+7) 65 87
RH % (24h trend) 100 (0) 77 (+30) 100 43
20ft Wnd AM(mph) Lgt/Var Lgt/Var
20ft Wnd PM(mph) Lgt/Var Lgt/Var Lgt/Var Lgt/Var
Precip Amount 0.05 0.03 0.01 0.00
Precip Duration 1 1 0
Precip Begin 6 PM 1 PM Continuing
Precip End 6 AM Continuing 8 PM
Mixing Hgt (ft-AGL) 420 2390 430 6080
Transport Wnd (kts) E 6 NE 6 NW 5 SW 8
Vent Rate (kt-ft) 2520 14340 2150 48640
Max ADI Early 8 Poor 12 Poor 8 Poor 39 Fair
Max ADI Late 3 Very Poor 13 Gen Poor 3 Very Poor 59 Gen Good
Max LVORI Early 10 5 8 1
Max LVORI Late 10 5 8 1
Min Vsby Early 2 Fog 0 Fog 7 5 Fog
Min Vsby Late 1 Fog 9 4 Fog 9
Sunshine Hours N/A N/A N/A N/A
CWR 10 10 0
Remarks...None.
.FORECAST FOR DAYS 3 THROUGH 7...
.WEDNESDAY NIGHT...Mostly clear. Lows in the upper 60s. Southwest
winds around 5 mph.
.THURSDAY...Mostly sunny. Highs in the mid 80s. Northwest winds
around 5 mph, becoming southwest around 5 mph in the afternoon.
.THURSDAY NIGHT...Partly cloudy. Lows in the mid 60s. Southwest
winds around 5 mph, becoming northwest after midnight.
.FRIDAY AND FRIDAY NIGHT...Partly cloudy. Lows in the mid 60s.
Highs in the upper 70s. Northeast winds 5 to 10 mph.
.SATURDAY AND SATURDAY NIGHT...Mostly cloudy. A chance of
showers. Lows in the mid 60s. Highs in the upper 70s. East winds
5 to 10 mph.
.SUNDAY AND SUNDAY NIGHT...Mostly cloudy with showers likely.
Lows in the mid 60s. Highs in the upper 70s. Southwest winds 5 to
10 mph.
.MONDAY...Mostly sunny. Highs around 80. West winds 5 to 10 mph.
$$
MAZ016-180800-
Eastern Norfolk MA-
Including the city of Quincy
407 PM EDT Mon Aug 17 2026
Tonight Tue Tue Night Wed
Cloud Cover Mcldy Mcldy Pcldy Mclear
Precip Type Showers None Showers None
Chance Precip (%) 40 20 20
Chance of Thunder (%) 0 0 0 0
Temp (24h trend) 66 (0) 80 (+5) 64 87
RH % (24h trend) 100 (0) 77 (+27) 100 43
20ft Wnd AM(mph) Lgt/Var Lgt/Var
20ft Wnd PM(mph) Lgt/Var Lgt/Var Lgt/Var Lgt/Var
Precip Amount 0.06 0.00 0.02 0.00
Precip Duration 1 0
Precip Begin 6 PM 6 PM
Precip End 4 AM 8 PM
Mixing Hgt (ft-AGL) 420 2330 430 6390
Transport Wnd (kts) E 5 N 6 NW 5 W 9
Vent Rate (kt-ft) 2100 13980 2150 57510
Max ADI Early 11 Poor 14 Gen Poor 10 Poor 43 Gen Good
Max ADI Late 3 Very Poor 15 Gen Poor 3 Very Poor 72 Good
Max LVORI Early 10 5 9 1
Max LVORI Late 10 5 9 1
Min Vsby Early 3 Fog 0 Fog 8 4 Fog
Min Vsby Late 0 Fog 9 4 Fog 9
Sunshine Hours N/A N/A N/A N/A
CWR 20 0 0
Remarks...None.
.FORECAST FOR DAYS 3 THROUGH 7...
.WEDNESDAY NIGHT...Mostly clear. Lows in the upper 60s. Southwest
winds around 5 mph.
.THURSDAY...Mostly sunny. Highs in the mid 80s. West winds around
5 mph.
.THURSDAY NIGHT...Partly cloudy. Lows in the mid 60s. Southwest
winds around 5 mph, becoming northwest after midnight.
.FRIDAY...Mostly sunny. Highs in the upper 70s. Northeast winds
around 5 mph.
.FRIDAY NIGHT...Mostly cloudy. Lows in the lower 60s. East winds
around 5 mph, becoming northeast after midnight.
.SATURDAY AND SATURDAY NIGHT...Mostly cloudy. A chance of
showers. Lows in the mid 60s. Highs in the upper 70s. East winds
5 to 10 mph.
.SUNDAY...Mostly cloudy with showers likely. Highs in the upper
70s. Southeast winds 5 to 10 mph.
.SUNDAY NIGHT...Mostly cloudy with a chance of showers. Lows in
the mid 60s. Southwest winds around 5 mph.
.MONDAY...Mostly sunny. Highs in the lower 80s. West winds 5 to
10 mph.
$$
MAZ013-180800-
Western Norfolk MA-
Including the cities of Foxborough and Norwood
407 PM EDT Mon Aug 17 2026
Tonight Tue Tue Night Wed
Cloud Cover Mcldy Mcldy Pcldy Mclear
Precip Type Showers None Showers None
Chance Precip (%) 30 20 20
Chance of Thunder (%) 0 0 0 0
Temp (24h trend) 65 (-1) 83 (+8) 63 86
RH % (24h trend) 100 (0) 72 (+22) 100 45
20ft Wnd AM(mph) Lgt/Var Lgt/Var
20ft Wnd PM(mph) Lgt/Var Lgt/Var Lgt/Var Lgt/Var
Precip Amount 0.03 0.00 0.01 0.00
Precip Duration 1 0
Precip Begin 6 PM 6 PM
Precip End 9 PM 8 PM
Mixing Hgt (ft-AGL) 420 2860 400 6670
Transport Wnd (kts) NE 4 N 6 W 5 W 11
Vent Rate (kt-ft) 1680 17160 2000 73370
Max ADI Early 12 Poor 18 Gen Poor 12 Poor 58 Gen Good
Max ADI Late 3 Very Poor 20 Gen Poor 3 Very Poor 99 Good
Max LVORI Early 10 4 10 1
Max LVORI Late 10 4 10 1
Min Vsby Early 3 Fog 0 Fog 8 4 Fog
Min Vsby Late 0 Fog 9 4 Fog 9
Sunshine Hours N/A N/A N/A N/A
CWR 10 0 0
Remarks...None.
.FORECAST FOR DAYS 3 THROUGH 7...
.WEDNESDAY NIGHT...Mostly clear. Lows in the mid 60s. Southwest
winds around 5 mph.
.THURSDAY...Mostly sunny. Highs in the mid 80s. West winds around
5 mph.
.THURSDAY NIGHT...Partly cloudy. Lows in the lower 60s. West
winds around 5 mph, becoming northwest after midnight.
.FRIDAY...Mostly sunny. Highs in the lower 80s. Northeast winds
around 5 mph.
.FRIDAY NIGHT...Mostly cloudy with a chance of showers. Lows in
the lower 60s. Northeast winds around 5 mph.
.SATURDAY AND SATURDAY NIGHT...Mostly cloudy. A chance of
showers. Lows in the lower 60s. Highs in the upper 70s. East
winds around 5 mph.
.SUNDAY...Mostly cloudy with showers likely. Highs in the upper
70s. East winds around 5 mph, becoming southeast around 5 mph in
the afternoon.
.SUNDAY NIGHT...Mostly cloudy with a chance of showers. Lows in
the lower 60s. Southwest winds around 5 mph.
.MONDAY...Mostly sunny with a chance of showers. Highs in the
lower 80s. West winds around 5 mph.
$$
MAZ014-180800-
Southeast Middlesex MA-
Including the city of Cambridge
407 PM EDT Mon Aug 17 2026
Tonight Tue Tue Night Wed
Cloud Cover Mcldy Mcldy Pcldy Mclear
Precip Type Showers Showers Showers None
Chance Precip (%) 30 20 20
Chance of Thunder (%) 0 0 0 0
Temp (24h trend) 66 (-1) 83 (+8) 64 86
RH % (24h trend) 100 (+3) 72 (+28) 100 43
20ft Wnd AM(mph) Lgt/Var Lgt/Var
20ft Wnd PM(mph) Lgt/Var Lgt/Var Lgt/Var Lgt/Var
Precip Amount 0.02 0.01 0.00 0.00
Precip Duration 1 1
Precip Begin 6 PM Continuing
Precip End Continuing 6 PM
Mixing Hgt (ft-AGL) 420 2570 420 6690
Transport Wnd (kts) E 5 N 5 NW 4 W 11
Vent Rate (kt-ft) 2100 12850 1680 73590
Max ADI Early 11 Poor 15 Gen Poor 15 Gen Poor 52 Gen Good
Max ADI Late 3 Very Poor 16 Gen Poor 3 Very Poor 90 Good
Max LVORI Early 10 4 9 1
Max LVORI Late 10 4 9 1
Min Vsby Early 3 Fog 0 Fog 8 5 Fog
Min Vsby Late 0 Fog 9 4 Fog 9
Sunshine Hours N/A N/A N/A N/A
CWR 20 0
Remarks...None.
.FORECAST FOR DAYS 3 THROUGH 7...
.WEDNESDAY NIGHT...Mostly clear. Lows in the upper 60s. Southwest
winds around 5 mph.
.THURSDAY...Mostly sunny. Highs in the mid 80s. West winds around
5 mph.
.THURSDAY NIGHT...Partly cloudy. Lows in the lower 60s. West
winds around 5 mph, becoming northwest after midnight.
.FRIDAY AND FRIDAY NIGHT...Partly cloudy. Lows in the lower 60s.
Highs in the lower 80s. Northeast winds around 5 mph.
.SATURDAY AND SATURDAY NIGHT...Mostly cloudy. A chance of
showers. Lows in the mid 60s. Highs in the upper 70s. East winds
around 5 mph.
.SUNDAY AND SUNDAY NIGHT...Mostly cloudy with showers likely.
Lows in the mid 60s. Highs in the upper 70s. Southwest winds
around 5 mph.
.MONDAY...Mostly sunny. Highs in the lower 80s. West winds 5 to
10 mph.
$$
MAZ007-180800-
Eastern Essex MA-
Including the city of Gloucester
407 PM EDT Mon Aug 17 2026
Tonight Tue Tue Night Wed
Cloud Cover Mcldy Mcldy Pcldy Pcldy
Precip Type Showers Showers None None
Chance Precip (%) 20 20 20
Chance of Thunder (%) 0 0 0 0
Temp (24h trend) 65 (-2) 77 (+3) 64 85
RH % (24h trend) 100 (0) 82 (+30) 100 46
20ft Wnd AM(mph) Lgt/Var Lgt/Var
20ft Wnd PM(mph) Lgt/Var Lgt/Var Lgt/Var Lgt/Var
Precip Amount 0.18 0.08 0.00 0.00
Precip Duration 1 1
Precip Begin 6 PM Continuing
Precip End Continuing 6 PM
Mixing Hgt (ft-AGL) 410 1890 410 4470
Transport Wnd (kts) NE 5 NE 7 W 5 SW 9
Vent Rate (kt-ft) 2050 13230 2050 40230
Max ADI Early 13 Gen Poor 13 Gen Poor 10 Poor 24 Fair
Max ADI Late 3 Very Poor 13 Gen Poor 3 Very Poor 38 Fair
Max LVORI Early 10 6 10 3
Max LVORI Late 10 6 10 3
Min Vsby Early 2 Fog 0 Fog 7 5 Fog
Min Vsby Late 0 Fog 9 4 Fog 9
Sunshine Hours N/A N/A N/A N/A
CWR 20 60 0 0
Remarks...None.
.FORECAST FOR DAYS 3 THROUGH 7...
.WEDNESDAY NIGHT...Mostly clear. Lows in the upper 60s. Southwest
winds 5 to 10 mph.
.THURSDAY...Mostly sunny. Highs in the lower 80s. Northwest winds
around 5 mph, becoming east in the afternoon.
.THURSDAY NIGHT...Partly cloudy. Lows in the lower 60s. South
winds around 5 mph, becoming northwest after midnight.
.FRIDAY AND FRIDAY NIGHT...Partly cloudy. Lows in the lower 60s.
Highs in the upper 70s. Northeast winds 5 to 10 mph.
.SATURDAY THROUGH SUNDAY NIGHT...Mostly cloudy with a chance of
showers. Lows in the mid 60s. Highs in the upper 70s. Southwest
winds 5 to 10 mph.
.MONDAY...Mostly sunny with a chance of showers. Highs around 80.
West winds 5 to 10 mph.
$$
MAZ006-180800-
Western Essex MA-
Including the city of Lawrence
407 PM EDT Mon Aug 17 2026
Tonight Tue Tue Night Wed
Cloud Cover Mcldy Mcldy Pcldy Pcldy
Precip Type Showers Showers Showers None
Chance Precip (%) 20 20 20
Chance of Thunder (%) 0 0 0 0
Temp (24h trend) 64 (-2) 82 (+7) 63 85
RH % (24h trend) 100 (0) 74 (+24) 100 45
20ft Wnd AM(mph) Lgt/Var Lgt/Var
20ft Wnd PM(mph) Lgt/Var Lgt/Var Lgt/Var Lgt/Var
Precip Amount 0.08 0.05 0.01 0.00
Precip Duration 1 1 0
Precip Begin 6 PM Continuing Continuing
Precip End Continuing Continuing 8 PM
Mixing Hgt (ft-AGL) 420 2680 420 7150
Transport Wnd (kts) NE 4 N 5 NW 4 W 11
Vent Rate (kt-ft) 1680 13400 1680 78650
Max ADI Early 13 Gen Poor 16 Gen Poor 13 Gen Poor 57 Gen Good
Max ADI Late 3 Very Poor 17 Gen Poor 3 Very Poor 89 Good
Max LVORI Early 10 4 10 1
Max LVORI Late 10 4 10 1
Min Vsby Early 3 Fog 0 Fog 8 6 Fog
Min Vsby Late 0 Fog 9 5 Fog 9
Sunshine Hours N/A N/A N/A N/A
CWR 10 50 0
Remarks...None.
.FORECAST FOR DAYS 3 THROUGH 7...
.WEDNESDAY NIGHT...Mostly clear. Lows in the mid 60s. West winds
around 5 mph.
.THURSDAY...Mostly sunny. Highs in the lower 80s. West winds
around 5 mph.
.THURSDAY NIGHT...Partly cloudy. Lows around 60. West winds
around 5 mph, becoming northwest after midnight.
.FRIDAY AND FRIDAY NIGHT...Partly cloudy. Lows around 60. Highs
around 80. Northeast winds around 5 mph.
.SATURDAY THROUGH SUNDAY NIGHT...Mostly cloudy with a chance of
showers. Lows in the lower 60s. Highs in the upper 70s. Southwest
winds around 5 mph.
.MONDAY...Mostly sunny. Highs in the lower 80s. West winds 5 to
10 mph.
$$
MAZ005-180800-
Central Middlesex MA-
Including the cities of Framingham and Lowell
407 PM EDT Mon Aug 17 2026
Tonight Tue Tue Night Wed
Cloud Cover Mcldy Mcldy Pcldy Mclear
Precip Type Showers Showers Showers None
Chance Precip (%) 20 20 20
Chance of Thunder (%) 0 0 0 0
Temp (24h trend) 64 (-2) 83 (+8) 63 86
RH % (24h trend) 100 (0) 69 (+19) 100 43
20ft Wnd AM(mph) Lgt/Var Lgt/Var
20ft Wnd PM(mph) Lgt/Var Lgt/Var Lgt/Var Lgt/Var
Precip Amount 0.01 0.02 0.01 0.00
Precip Duration 1 1 0
Precip Begin 6 PM Continuing Continuing
Precip End Continuing Continuing 8 PM
Mixing Hgt (ft-AGL) 400 3060 400 6940
Transport Wnd (kts) NE 4 N 5 NW 4 W 12
Vent Rate (kt-ft) 1600 15300 1600 83280
Max ADI Early 12 Poor 17 Gen Poor 15 Gen Poor 62 Good
Max ADI Late 3 Very Poor 22 Fair 3 Very Poor 104 Very Good
Max LVORI Early 10 4 9 1
Max LVORI Late 10 4 9 1
Min Vsby Early 3 Fog 0 Fog 8 5 Fog
Min Vsby Late 1 Fog 9 4 Fog 9
Sunshine Hours N/A N/A N/A N/A
CWR 10 10 10 0
Remarks...None.
.FORECAST FOR DAYS 3 THROUGH 7...
.WEDNESDAY NIGHT...Mostly clear. Lows in the mid 60s. Southwest
winds around 5 mph.
.THURSDAY...Mostly sunny. Highs in the mid 80s. West winds around
5 mph.
.THURSDAY NIGHT...Partly cloudy. Lows around 60. Northwest winds
around 5 mph.
.FRIDAY AND FRIDAY NIGHT...Partly cloudy. Lows around 60. Highs
in the lower 80s. Northeast winds around 5 mph.
.SATURDAY AND SATURDAY NIGHT...Mostly cloudy. A chance of
showers. Lows in the lower 60s. Highs in the upper 70s. East
winds around 5 mph.
.SUNDAY...Mostly cloudy with showers likely. Highs in the upper
70s. East winds around 5 mph.
.SUNDAY NIGHT...Mostly cloudy with showers likely. Lows in the
lower 60s. Southwest winds around 5 mph.
.MONDAY...Mostly sunny. Highs in the lower 80s. West winds around
5 mph.
$$
MAZ012-180800-
Southern Worcester MA-
Including the cities of Milford and Worcester
407 PM EDT Mon Aug 17 2026
Tonight Tue Tue Night Wed
Cloud Cover Mcldy Pcldy Pcldy Mclear
Precip Type Showers Showers Showers None
Chance Precip (%) 20 20 20
Chance of Thunder (%) 0 0 0 0
Temp (24h trend) 64 (-1) 83 (+9) 62 84
RH % (24h trend) 100 (0) 69 (+13) 100 48
20ft Wnd AM(mph) Lgt/Var Lgt/Var
20ft Wnd PM(mph) Lgt/Var Lgt/Var Lgt/Var W 5
Precip Amount 0.00 0.00 0.01 0.00
Precip Duration 0
Precip Begin 6 PM
Precip End 8 PM
Mixing Hgt (ft-AGL) 400 3760 390 6360
Transport Wnd (kts) N 4 NW 6 NW 5 W 11
Vent Rate (kt-ft) 1600 22560 1950 69960
Max ADI Early 10 Poor 17 Gen Poor 19 Gen Poor 60 Gen Good
Max ADI Late 3 Very Poor 31 Fair 3 Very Poor 93 Good
Max LVORI Early 10 4 9 1
Max LVORI Late 10 4 9 1
Min Vsby Early 3 Fog 0 Fog 8 3 Fog
Min Vsby Late 0 Fog 8 4 Fog 9
Sunshine Hours N/A N/A N/A N/A
CWR 10 0
Remarks...None.
.FORECAST FOR DAYS 3 THROUGH 7...
.WEDNESDAY NIGHT...Mostly clear. Lows in the mid 60s. Southwest
winds around 5 mph.
.THURSDAY...Mostly sunny with a chance of showers. Highs in the
lower 80s. West winds around 5 mph.
.THURSDAY NIGHT...Partly cloudy. Lows around 60. Northwest winds
around 5 mph.
.FRIDAY AND FRIDAY NIGHT...Partly cloudy. Lows around 60. Highs
in the lower 80s. Northeast winds around 5 mph.
.SATURDAY AND SATURDAY NIGHT...Mostly cloudy. A chance of
showers. Lows in the lower 60s. Highs in the upper 70s. East
winds around 5 mph.
.SUNDAY...Mostly cloudy with showers likely. Highs in the upper
70s. East winds around 5 mph, becoming southeast around 5 mph in
the afternoon.
.SUNDAY NIGHT...Mostly cloudy with showers likely. Lows in the
lower 60s. Southwest winds around 5 mph.
.MONDAY...Mostly sunny with a chance of showers. Highs in the
upper 70s. West winds 5 to 10 mph.
$$
MAZ004-180800-
Northern Worcester MA-
Including the cities of Barre and Fitchburg
407 PM EDT Mon Aug 17 2026
Tonight Tue Tue Night Wed
Cloud Cover Pcldy Pcldy Pcldy Mclear
Precip Type Showers Tstms None None
Chance Precip (%) 20 20 20
Chance of Thunder (%) 0 0 0 0
Temp (24h trend) 63 (0) 82 (+8) 59 83
RH % (24h trend) 100 (0) 64 (+10) 100 46
20ft Wnd AM(mph) Lgt/Var Lgt/Var
20ft Wnd PM(mph) Lgt/Var Lgt/Var Lgt/Var W 5
Precip Amount 0.00 0.01 0.00 0.00
Precip Duration 1
Precip Begin 1 PM
Precip End 6 PM
Mixing Hgt (ft-AGL) 420 3760 410 6080
Transport Wnd (kts) N 3 NW 7 NW 4 W 11
Vent Rate (kt-ft) 1260 26320 1640 66880
Max ADI Early 10 Poor 18 Gen Poor 15 Gen Poor 62 Good
Max ADI Late 3 Very Poor 30 Fair 3 Very Poor 86 Good
Max LVORI Early 10 4 9 1
Max LVORI Late 10 4 9 1
Min Vsby Early 3 Fog 0 Fog 8 4 Fog
Min Vsby Late 1 Fog 9 4 Fog 9
Sunshine Hours N/A N/A N/A N/A
CWR 10 10 0 0
Remarks...None.
.FORECAST FOR DAYS 3 THROUGH 7...
.WEDNESDAY NIGHT...Partly cloudy. Lows in the lower 60s. West
winds around 5 mph.
.THURSDAY...Mostly sunny with a chance of showers. Highs around
80. West winds around 5 mph.
.THURSDAY NIGHT...Partly cloudy with a chance of showers. Lows in
the upper 50s. Northwest winds around 5 mph.
.FRIDAY AND FRIDAY NIGHT...Partly cloudy. Lows in the upper 50s.
Highs in the upper 70s. Northeast winds around 5 mph.
.SATURDAY AND SATURDAY NIGHT...Mostly cloudy. A chance of
showers. Lows in the upper 50s. Highs in the upper 70s. East
winds around 5 mph.
.SUNDAY AND SUNDAY NIGHT...Mostly cloudy with showers likely.
Lows around 60. Highs in the mid 70s. Southwest winds around
5 mph.
.MONDAY...Mostly sunny. Highs in the upper 70s. West winds 5 to
10 mph.
$$
MAZ026-180800-
Northern Middlesex MA-
Including the city of Ayer
407 PM EDT Mon Aug 17 2026
Tonight Tue Tue Night Wed
Cloud Cover Pcldy Pcldy Pcldy Mclear
Precip Type Showers Showers Showers None
Chance Precip (%) 20 20 20
Chance of Thunder (%) 0 0 0 0
Temp (24h trend) 63 (-2) 83 (+8) 61 85
RH % (24h trend) 100 (0) 72 (+16) 100 48
20ft Wnd AM(mph) Lgt/Var Lgt/Var
20ft Wnd PM(mph) Lgt/Var Lgt/Var Lgt/Var Lgt/Var
Precip Amount 0.00 0.04 0.01 0.00
Precip Duration 1 0
Precip Begin 12 PM Continuing
Precip End Continuing 8 PM
Mixing Hgt (ft-AGL) 430 3250 420 6740
Transport Wnd (kts) N 3 N 6 N 4 W 11
Vent Rate (kt-ft) 1290 19500 1680 74140
Max ADI Early 15 Gen Poor 17 Gen Poor 13 Gen Poor 70 Good
Max ADI Late 2 Very Poor 25 Fair 3 Very Poor 93 Good
Max LVORI Early 10 4 9 1
Max LVORI Late 10 4 9 1
Min Vsby Early 3 Fog 1 Fog 8 5 Fog
Min Vsby Late 1 Fog 9 4 Fog 9
Sunshine Hours N/A N/A N/A N/A
CWR 10 20 20 0
Remarks...None.
.FORECAST FOR DAYS 3 THROUGH 7...
.WEDNESDAY NIGHT...Mostly clear. Lows in the lower 60s. West
winds around 5 mph.
.THURSDAY AND THURSDAY NIGHT...Partly cloudy. A chance of
showers. Lows 58 to 63. Highs in the lower 80s. Northwest winds
around 5 mph.
.FRIDAY...Mostly sunny. Highs in the lower 80s. North winds
around 5 mph, becoming east in the afternoon.
.FRIDAY NIGHT...Partly cloudy. Lows in the upper 50s. Southeast
winds around 5 mph in the evening, becoming light and variable.
.SATURDAY AND SATURDAY NIGHT...Mostly cloudy. A chance of
showers. Lows in the upper 50s. Highs in the upper 70s. Northeast
winds around 5 mph.
.SUNDAY AND SUNDAY NIGHT...Mostly cloudy with showers likely.
Lows in the upper 50s. Highs in the upper 70s. West winds around
5 mph.
.MONDAY...Mostly sunny. Highs in the upper 70s. West winds around
5 mph.
$$
MAZ002-180800-
Western Franklin MA-
Including the city of Charlemont
407 PM EDT Mon Aug 17 2026
Tonight Tue Tue Night Wed
Cloud Cover Pcldy Pcldy Pcldy Mclear
Precip Type Tstms None None None
Chance Precip (%) 30 10 10
Chance of Thunder (%) 20 0 0 0
Temp (24h trend) 61 (-1) 81 (+7) 55 82
RH % (24h trend) 100 (0) 60 (-13) 100 48
20ft Wnd AM(mph) Lgt/Var Lgt/Var
20ft Wnd PM(mph) Lgt/Var Lgt/Var Lgt/Var Lgt/Var
Precip Amount 0.07 0.00 0.00 0.00
Precip Duration 1
Precip Begin 6 PM
Precip End 12 AM
Mixing Hgt (ft-AGL) 440 4760 420 5830
Transport Wnd (kts) N 4 NW 7 NW 6 W 11
Vent Rate (kt-ft) 1760 33320 2520 64130
Max ADI Early 11 Poor 30 Fair 15 Gen Poor 57 Gen Good
Max ADI Late 3 Very Poor 41 Gen Good 3 Very Poor 81 Good
Max LVORI Early 10 3 8 1
Max LVORI Late 10 3 8 1
Min Vsby Early 5 Fog 1 Fog 8 6 Fog
Min Vsby Late 1 Fog 9 6 Fog 9
Sunshine Hours N/A N/A N/A N/A
CWR 10 0 0 0
Remarks...None.
.FORECAST FOR DAYS 3 THROUGH 7...
.WEDNESDAY NIGHT...Partly cloudy. Lows in the upper 50s. West
winds around 5 mph.
.THURSDAY AND THURSDAY NIGHT...Partly cloudy. A chance of
showers. Lows in the upper 50s. Highs in the upper 70s. Northwest
winds around 5 mph.
.FRIDAY...Sunny. Highs in the upper 70s. North winds around
5 mph, becoming east in the afternoon.
.FRIDAY NIGHT...Partly cloudy. Lows in the upper 50s. Southwest
winds around 5 mph, becoming north after midnight.
.SATURDAY AND SATURDAY NIGHT...Mostly cloudy. A chance of
showers. Lows in the upper 50s. Highs in the mid 70s. Southeast
winds around 5 mph.
.SUNDAY AND SUNDAY NIGHT...Mostly cloudy with showers likely.
Lows in the upper 50s. Highs in the mid 70s. West winds around
5 mph.
.MONDAY...Mostly sunny with a chance of showers. Highs in the mid
70s. West winds around 5 mph.
$$
MAZ003-180800-
Eastern Franklin MA-
Including the cities of Greenfield and Orange
407 PM EDT Mon Aug 17 2026
Tonight Tue Tue Night Wed
Cloud Cover Pcldy Pcldy Pcldy Mclear
Precip Type Tstms None None None
Chance Precip (%) 20 10 10
Chance of Thunder (%) 20 0 0 0
Temp (24h trend) 64 (0) 83 (+8) 59 85
RH % (24h trend) 100 (0) 60 (-4) 100 45
20ft Wnd AM(mph) Lgt/Var Lgt/Var
20ft Wnd PM(mph) Lgt/Var Lgt/Var Lgt/Var Lgt/Var
Precip Amount 0.01 0.00 0.00 0.00
Precip Duration 1
Precip Begin 6 PM
Precip End 12 AM
Mixing Hgt (ft-AGL) 430 4810 400 6100
Transport Wnd (kts) NE 3 NW 7 NW 5 W 10
Vent Rate (kt-ft) 1290 33670 2000 61000
Max ADI Early 15 Gen Poor 27 Fair 15 Gen Poor 53 Gen Good
Max ADI Late 2 Very Poor 43 Gen Good 2 Very Poor 81 Good
Max LVORI Early 10 3 10 1
Max LVORI Late 10 3 10 1
Min Vsby Early 4 Fog 1 Fog 9 6 Fog
Min Vsby Late 1 Fog 9 5 Fog 9
Sunshine Hours N/A N/A N/A N/A
CWR 10 0 0 0
Remarks...None.
.FORECAST FOR DAYS 3 THROUGH 7...
.WEDNESDAY NIGHT...Partly cloudy. Lows in the lower 60s. West
winds around 5 mph.
.THURSDAY...Mostly sunny with a chance of showers. Highs in the
lower 80s. Northwest winds around 5 mph.
.THURSDAY NIGHT...Partly cloudy with a chance of showers. Lows in
the mid 50s. Northwest winds around 5 mph.
.FRIDAY...Mostly sunny. Highs in the lower 80s. North winds
around 5 mph, becoming east in the afternoon.
.FRIDAY NIGHT...Partly cloudy. Lows in the upper 50s. Southeast
winds around 5 mph, becoming north after midnight.
.SATURDAY AND SATURDAY NIGHT...Mostly cloudy. A chance of
showers. Lows around 60. Highs in the upper 70s. East winds
around 5 mph.
.SUNDAY AND SUNDAY NIGHT...Mostly cloudy with showers likely.
Lows around 60. Highs in the upper 70s. West winds around 5 mph.
.MONDAY...Mostly sunny. Highs in the upper 70s. West winds 5 to
10 mph.
$$
MAZ008-180800-
Western Hampshire MA-
Including the city of Chesterfield
407 PM EDT Mon Aug 17 2026
Tonight Tue Tue Night Wed
Cloud Cover Pcldy Pcldy Mclear Mclear
Precip Type Tstms None None None
Chance Precip (%) 20 10 10
Chance of Thunder (%) 20 0 0 0
Temp (24h trend) 62 (0) 81 (+7) 56 82
RH % (24h trend) 100 (0) 60 (-13) 100 48
20ft Wnd AM(mph) Lgt/Var Lgt/Var
20ft Wnd PM(mph) Lgt/Var Lgt/Var Lgt/Var Lgt/Var
Precip Amount 0.03 0.00 0.00 0.00
Precip Duration 1
Precip Begin 6 PM
Precip End 11 PM
Mixing Hgt (ft-AGL) 430 4870 430 5850
Transport Wnd (kts) S 3 NW 8 NW 6 W 11
Vent Rate (kt-ft) 1290 38960 2580 64350
Max ADI Early 9 Poor 33 Fair 20 Gen Poor 62 Good
Max ADI Late 4 Very Poor 49 Gen Good 4 Very Poor 84 Good
Max LVORI Early 10 3 8 1
Max LVORI Late 10 3 8 1
Min Vsby Early 5 Fog 1 Fog 9 7
Min Vsby Late 1 Fog 9 7 9
Sunshine Hours N/A N/A N/A N/A
CWR 10 0 0 0
Remarks...None.
.FORECAST FOR DAYS 3 THROUGH 7...
.WEDNESDAY NIGHT...Partly cloudy. Lows around 60. West winds
around 5 mph.
.THURSDAY AND THURSDAY NIGHT...Partly cloudy. A chance of
showers. Lows 55 to 60. Highs in the upper 70s. Northwest winds
around 5 mph.
.FRIDAY...Mostly sunny. Highs in the upper 70s. North winds
around 5 mph, becoming east in the afternoon.
.FRIDAY NIGHT...Partly cloudy. Lows in the upper 50s. Southwest
winds around 5 mph in the evening, becoming light and variable.
.SATURDAY AND SATURDAY NIGHT...Mostly cloudy. A chance of
showers. Lows in the upper 50s. Highs in the mid 70s. East winds
around 5 mph.
.SUNDAY AND SUNDAY NIGHT...Mostly cloudy with showers likely.
Lows in the upper 50s. Highs in the mid 70s. West winds around
5 mph.
.MONDAY...Mostly sunny with a chance of showers. Highs in the mid
70s. West winds around 5 mph.
$$
MAZ010-180800-
Eastern Hampshire MA-
Including the cities of Amherst and Northampton
407 PM EDT Mon Aug 17 2026
Tonight Tue Tue Night Wed
Cloud Cover Pcldy Pcldy Pcldy Mclear
Precip Type None None None None
Chance Precip (%) 20 10 10
Chance of Thunder (%) 0 0 0 0
Temp (24h trend) 64 (-1) 85 (+9) 60 86
RH % (24h trend) 100 (0) 59 (+3) 100 45
20ft Wnd AM(mph) Lgt/Var Lgt/Var
20ft Wnd PM(mph) Lgt/Var Lgt/Var Lgt/Var W 5
Precip Amount 0.00 0.00 0.00 0.00
Precip Duration
Precip Begin
Precip End
Mixing Hgt (ft-AGL) 430 4840 400 6170
Transport Wnd (kts) SE 3 NW 6 NW 3 W 10
Vent Rate (kt-ft) 1290 29040 1200 61700
Max ADI Early 10 Poor 26 Fair 16 Gen Poor 43 Gen Good
Max ADI Late 2 Very Poor 41 Gen Good 2 Very Poor 78 Good
Max LVORI Early 10 3 9 1
Max LVORI Late 10 3 9 1
Min Vsby Early 4 Fog 1 Fog 9 6 Fog
Min Vsby Late 1 Fog 9 7 9
Sunshine Hours N/A N/A N/A N/A
CWR 0 0 0 0
Remarks...None.
.FORECAST FOR DAYS 3 THROUGH 7...
.WEDNESDAY NIGHT...Partly cloudy. Lows in the lower 60s. West
winds around 5 mph.
.THURSDAY...Mostly sunny with a chance of showers. Highs in the
lower 80s. Northwest winds around 5 mph.
.THURSDAY NIGHT...Partly cloudy with a chance of showers. Lows in
the upper 50s. Northwest winds around 5 mph.
.FRIDAY...Mostly sunny. Highs in the lower 80s. North winds
around 5 mph, becoming east in the afternoon.
.FRIDAY NIGHT...Partly cloudy. Lows in the upper 50s. Southeast
winds around 5 mph, becoming northeast after midnight.
.SATURDAY AND SATURDAY NIGHT...Mostly cloudy. A chance of
showers. Lows around 60. Highs around 80. East winds around
5 mph.
.SUNDAY AND SUNDAY NIGHT...Mostly cloudy with showers likely.
Lows in the lower 60s. Highs in the upper 70s. West winds around
5 mph.
.MONDAY...Mostly sunny. Highs in the upper 70s. West winds 5 to
10 mph.
$$
MAZ009-180800-
Western Hampden MA-
Including the city of Blandford
407 PM EDT Mon Aug 17 2026
Tonight Tue Tue Night Wed
Cloud Cover Pcldy Pcldy Mclear Mclear
Precip Type None None None None
Chance Precip (%) 20 10 10
Chance of Thunder (%) 0 0 0 0
Temp (24h trend) 63 (0) 81 (+6) 56 82
RH % (24h trend) 100 (0) 60 (-8) 100 49
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 0.00 0.00
Precip Duration
Precip Begin
Precip End
Mixing Hgt (ft-AGL) 430 4810 410 5650
Transport Wnd (kts) NW 4 NW 8 NW 6 W 11
Vent Rate (kt-ft) 1720 38480 2460 62150
Max ADI Early 8 Poor 33 Fair 27 Fair 57 Gen Good
Max ADI Late 3 Very Poor 48 Gen Good 4 Very Poor 83 Good
Max LVORI Early 10 3 7 1
Max LVORI Late 10 3 7 1
Min Vsby Early 4 Fog 1 Fog 9 8
Min Vsby Late 1 Fog 9 8 9
Sunshine Hours N/A N/A N/A N/A
CWR 0 0 0 0
Remarks...None.
.FORECAST FOR DAYS 3 THROUGH 7...
.WEDNESDAY NIGHT...Partly cloudy. Lows in the lower 60s. West
winds around 5 mph.
.THURSDAY AND THURSDAY NIGHT...Partly cloudy. A chance of
showers. Lows in the upper 50s. Highs in the upper 70s. Northwest
winds around 5 mph.
.FRIDAY...Mostly sunny. Highs in the upper 70s. North winds
around 5 mph, becoming east in the afternoon.
.FRIDAY NIGHT...Partly cloudy. Lows in the upper 50s. North winds
around 5 mph.
.SATURDAY AND SATURDAY NIGHT...Mostly cloudy. A chance of
showers. Lows in the upper 50s. Highs in the upper 70s. East
winds around 5 mph.
.SUNDAY AND SUNDAY NIGHT...Mostly cloudy with showers likely.
Lows in the upper 50s. Highs in the mid 70s. West winds around
5 mph.
.MONDAY...Mostly sunny. Highs in the mid 70s. West winds around
5 mph.
$$
MAZ011-180800-
Eastern Hampden MA-
Including the city of Springfield
407 PM EDT Mon Aug 17 2026
Tonight Tue Tue Night Wed
Cloud Cover Pcldy Pcldy Pcldy Mclear
Precip Type None None None None
Chance Precip (%) 10 10 10
Chance of Thunder (%) 0 0 0 0
Temp (24h trend) 64 (-1) 85 (+9) 60 86
RH % (24h trend) 100 (0) 57 (+1) 100 43
20ft Wnd AM(mph) Lgt/Var Lgt/Var
20ft Wnd PM(mph) Lgt/Var Lgt/Var Lgt/Var W 5
Precip Amount 0.00 0.00 0.00 0.00
Precip Duration
Precip Begin
Precip End
Mixing Hgt (ft-AGL) 420 5020 390 6250
Transport Wnd (kts) NE 3 NW 7 NW 3 W 11
Vent Rate (kt-ft) 1260 35140 1170 68750
Max ADI Early 9 Poor 25 Fair 16 Gen Poor 41 Gen Good
Max ADI Late 2 Very Poor 42 Gen Good 3 Very Poor 82 Good
Max LVORI Early 10 3 10 1
Max LVORI Late 10 3 10 1
Min Vsby Early 3 Fog 0 Fog 9 3 Fog
Min Vsby Late 1 Fog 9 6 Fog 9
Sunshine Hours N/A N/A N/A N/A
CWR 0 0 0 0
Remarks...None.
.FORECAST FOR DAYS 3 THROUGH 7...
.WEDNESDAY NIGHT...Partly cloudy. Lows in the lower 60s. West
winds around 5 mph.
.THURSDAY...Mostly sunny with a chance of showers. Highs in the
lower 80s. Northwest winds around 5 mph.
.THURSDAY NIGHT...Partly cloudy with a chance of showers. Lows in
the upper 50s. Northwest winds around 5 mph.
.FRIDAY AND FRIDAY NIGHT...Partly cloudy. Lows in the upper 50s.
Highs in the lower 80s. Northeast winds around 5 mph.
.SATURDAY AND SATURDAY NIGHT...Mostly cloudy. A chance of
showers. Lows around 60. Highs in the upper 70s. East winds
around 5 mph.
.SUNDAY AND SUNDAY NIGHT...Mostly cloudy with showers likely.
Lows in the lower 60s. Highs in the upper 70s. West winds around
5 mph.
.MONDAY...Mostly sunny with a chance of showers. Highs in the
upper 70s. West winds 5 to 10 mph.
$$
CTZ002-180800-
Hartford CT-
Including the cities of Hartford and Windsor Locks
407 PM EDT Mon Aug 17 2026
Tonight Tue Tue Night Wed
Cloud Cover Pcldy Pcldy Mclear Mclear
Precip Type None None None None
Chance Precip (%) 10 10 10
Chance of Thunder (%) 0 0 0 0
Temp (24h trend) 65 (0) 85 (+8) 60 86
RH % (24h trend) 100 (0) 57 (+1) 100 43
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 0.00 0.00
Precip Duration
Precip Begin
Precip End
Mixing Hgt (ft-AGL) 410 4980 370 6180
Transport Wnd (kts) N 4 NW 6 NW 4 W 10
Vent Rate (kt-ft) 1640 29880 1480 61800
Max ADI Early 11 Poor 28 Fair 20 Gen Poor 42 Gen Good
Max ADI Late 2 Very Poor 45 Gen Good 3 Very Poor 84 Good
Max LVORI Early 10 3 8 1
Max LVORI Late 10 3 8 1
Min Vsby Early 4 Fog 2 Fog 8 8
Min Vsby Late 2 Fog 8 8 9
Sunshine Hours N/A N/A N/A N/A
CWR 0 0 0 0
Remarks...None.
.FORECAST FOR DAYS 3 THROUGH 7...
.WEDNESDAY NIGHT...Partly cloudy. Lows in the mid 60s. West winds
around 5 mph.
.THURSDAY...Mostly sunny with a chance of showers. Highs in the
lower 80s. Northwest winds around 5 mph.
.THURSDAY NIGHT...Partly cloudy with a chance of showers. Lows in
the upper 50s. Northwest winds around 5 mph.
.FRIDAY AND FRIDAY NIGHT...Partly cloudy. Lows around 60. Highs
in the lower 80s. North winds around 5 mph.
.SATURDAY AND SATURDAY NIGHT...Mostly cloudy. A chance of
showers. Lows in the lower 60s. Highs in the upper 70s. East
winds around 5 mph.
.SUNDAY AND SUNDAY NIGHT...Mostly cloudy with showers likely.
Lows in the lower 60s. Highs in the upper 70s. West winds around
5 mph.
.MONDAY...Mostly sunny. Highs around 80. West winds 5 to 10 mph.
$$
CTZ003-180800-
Tolland CT-
Including the cities of Union and Vernon
407 PM EDT Mon Aug 17 2026
Tonight Tue Tue Night Wed
Cloud Cover Pcldy Pcldy Pcldy Mclear
Precip Type None None None None
Chance Precip (%) 10 10 10
Chance of Thunder (%) 0 0 0 0
Temp (24h trend) 64 (0) 83 (+8) 60 84
RH % (24h trend) 100 (0) 61 (-1) 100 46
20ft Wnd AM(mph) Lgt/Var Lgt/Var
20ft Wnd PM(mph) Lgt/Var Lgt/Var Lgt/Var W 5
Precip Amount 0.00 0.00 0.00 0.00
Precip Duration
Precip Begin
Precip End
Mixing Hgt (ft-AGL) 410 4490 390 6010
Transport Wnd (kts) N 4 NW 7 NW 4 W 11
Vent Rate (kt-ft) 1640 31430 1560 66110
Max ADI Early 10 Poor 19 Gen Poor 18 Gen Poor 45 Gen Good
Max ADI Late 2 Very Poor 40 Fair 3 Very Poor 84 Good
Max LVORI Early 10 4 9 1
Max LVORI Late 10 4 9 1
Min Vsby Early 3 Fog 0 Fog 8 3 Fog
Min Vsby Late 0 Fog 9 5 Fog 9
Sunshine Hours N/A N/A N/A N/A
CWR 0 0 0 0
Remarks...None.
.FORECAST FOR DAYS 3 THROUGH 7...
.WEDNESDAY NIGHT...Partly cloudy. Lows in the mid 60s. Southwest
winds around 5 mph.
.THURSDAY...Mostly sunny with a chance of showers. Highs in the
lower 80s. West winds around 5 mph.
.THURSDAY NIGHT...Partly cloudy with a chance of showers. Lows in
the upper 50s. West winds around 5 mph, becoming north after
midnight.
.FRIDAY AND FRIDAY NIGHT...Partly cloudy. Lows around 60. Highs
in the lower 80s. Northeast winds around 5 mph.
.SATURDAY AND SATURDAY NIGHT...Mostly cloudy. A chance of
showers. Lows in the lower 60s. Highs in the upper 70s. East
winds around 5 mph.
.SUNDAY AND SUNDAY NIGHT...Mostly cloudy with showers likely.
Lows in the lower 60s. Highs in the upper 70s. Southwest winds
around 5 mph.
.MONDAY...Mostly sunny. Highs in the upper 70s. West winds 5 to
10 mph.
$$
CTZ004-180800-
Windham CT-
Including the cities of Putnam and Willimantic
407 PM EDT Mon Aug 17 2026
Tonight Tue Tue Night Wed
Cloud Cover Pcldy Pcldy Pcldy Mclear
Precip Type None None None None
Chance Precip (%) 20 10 10
Chance of Thunder (%) 0 0 0 0
Temp (24h trend) 65 (0) 84 (+10) 61 84
RH % (24h trend) 100 (0) 65 (+3) 100 50
20ft Wnd AM(mph) Lgt/Var Lgt/Var
20ft Wnd PM(mph) Lgt/Var Lgt/Var Lgt/Var W 5
Precip Amount 0.00 0.00 0.00 0.00
Precip Duration
Precip Begin
Precip End
Mixing Hgt (ft-AGL) 380 4060 380 6040
Transport Wnd (kts) N 4 NW 7 NW 5 W 11
Vent Rate (kt-ft) 1520 28420 1900 66440
Max ADI Early 11 Poor 19 Gen Poor 17 Gen Poor 48 Gen Good
Max ADI Late 3 Very Poor 36 Fair 3 Very Poor 86 Good
Max LVORI Early 10 4 9 1
Max LVORI Late 10 4 9 1
Min Vsby Early 3 Fog 0 Fog 8 2 Fog
Min Vsby Late 0 Fog 9 4 Fog 9
Sunshine Hours N/A N/A N/A N/A
CWR 0 0 0 0
Remarks...None.
.FORECAST FOR DAYS 3 THROUGH 7...
.WEDNESDAY NIGHT...Mostly clear. Lows in the mid 60s. Southwest
winds around 5 mph.
.THURSDAY...Mostly sunny with a chance of showers. Highs in the
lower 80s. West winds around 5 mph.
.THURSDAY NIGHT...Mostly cloudy with a chance of showers. Lows
around 60. West winds around 5 mph, becoming north after
midnight.
.FRIDAY...Mostly sunny. Highs in the lower 80s. Northeast winds
around 5 mph.
.FRIDAY NIGHT...Partly cloudy with a chance of showers. Lows
around 60. Northeast winds around 5 mph.
.SATURDAY AND SATURDAY NIGHT...Mostly cloudy. A chance of
showers. Lows in the lower 60s. Highs in the upper 70s. East
winds around 5 mph.
.SUNDAY...Mostly cloudy with showers likely. Highs in the upper
70s. East winds around 5 mph, becoming southeast around 5 mph in
the afternoon.
.SUNDAY NIGHT...Mostly cloudy with showers likely. Lows in the
lower 60s. Southwest winds around 5 mph.
.MONDAY...Mostly sunny with a chance of showers. Highs around 80.
West winds 5 to 10 mph.
$$
RIZ001-180800-
Northwest Providence RI-
Including the cities of Foster and Smithfield
407 PM EDT Mon Aug 17 2026
Tonight Tue Tue Night Wed
Cloud Cover Mcldy Mcldy Pcldy Mclear
Precip Type Showers None None None
Chance Precip (%) 20 10 20
Chance of Thunder (%) 0 0 0 0
Temp (24h trend) 65 (+1) 83 (+9) 62 84
RH % (24h trend) 100 (0) 72 (+16) 100 50
20ft Wnd AM(mph) Lgt/Var Lgt/Var
20ft Wnd PM(mph) Lgt/Var Lgt/Var Lgt/Var Lgt/Var
Precip Amount 0.02 0.00 0.00 0.00
Precip Duration 0
Precip Begin 6 PM
Precip End 8 PM
Mixing Hgt (ft-AGL) 400 3340 410 6340
Transport Wnd (kts) N 5 NW 6 N 6 W 11
Vent Rate (kt-ft) 2000 20040 2460 69740
Max ADI Early 11 Poor 21 Fair 16 Gen Poor 56 Gen Good
Max ADI Late 3 Very Poor 29 Fair 3 Very Poor 91 Good
Max LVORI Early 10 4 9 1
Max LVORI Late 10 4 9 1
Min Vsby Early 3 Fog 0 Fog 8 4 Fog
Min Vsby Late 0 Fog 9 4 Fog 9
Sunshine Hours N/A N/A N/A N/A
CWR 20 0 0 0
Remarks...None.
.FORECAST FOR DAYS 3 THROUGH 7...
.WEDNESDAY NIGHT...Mostly clear. Lows in the mid 60s. Southwest
winds around 5 mph.
.THURSDAY...Mostly sunny with a chance of showers. Highs in the
lower 80s. West winds around 5 mph.
.THURSDAY NIGHT...Mostly cloudy with a chance of showers. Lows in
the lower 60s. West winds around 5 mph, becoming northwest after
midnight.
.FRIDAY...Mostly sunny. Highs around 80. Northeast winds around
5 mph.
.FRIDAY NIGHT...Mostly cloudy with a chance of showers. Lows in
the lower 60s. Northeast winds around 5 mph.
.SATURDAY AND SATURDAY NIGHT...Mostly cloudy. A chance of
showers. Lows in the lower 60s. Highs in the upper 70s. Northeast
winds around 5 mph.
.SUNDAY...Mostly cloudy with showers likely. Highs in the upper
70s. East winds around 5 mph, becoming south around 5 mph in the
afternoon.
.SUNDAY NIGHT...Mostly cloudy with a chance of showers. Lows in
the lower 60s. Southwest winds around 5 mph.
.MONDAY...Mostly sunny with a chance of showers. Highs in the
upper 70s. West winds around 5 mph.
$$
RIZ002-180800-
Southeast Providence RI-
Including the city of Providence
407 PM EDT Mon Aug 17 2026
Tonight Tue Tue Night Wed
Cloud Cover Mcldy Mcldy Pcldy Mclear
Precip Type Showers None Showers None
Chance Precip (%) 30 10 20
Chance of Thunder (%) 0 0 0 0
Temp (24h trend) 66 (0) 83 (+8) 64 85
RH % (24h trend) 100 (0) 72 (+16) 100 51
20ft Wnd AM(mph) Lgt/Var Lgt/Var
20ft Wnd PM(mph) Lgt/Var Lgt/Var Lgt/Var SW 5
Precip Amount 0.02 0.00 0.01 0.00
Precip Duration 1 0
Precip Begin 6 PM 6 PM
Precip End 9 PM 8 PM
Mixing Hgt (ft-AGL) 440 3020 440 6280
Transport Wnd (kts) N 6 NW 6 N 6 W 11
Vent Rate (kt-ft) 2640 18120 2640 69080
Max ADI Early 13 Gen Poor 22 Fair 14 Gen Poor 50 Gen Good
Max ADI Late 4 Very Poor 23 Fair 3 Very Poor 88 Good
Max LVORI Early 10 4 8 1
Max LVORI Late 10 4 8 1
Min Vsby Early 2 Fog 1 Fog 8 4 Fog
Min Vsby Late 1 Fog 9 4 Fog 9
Sunshine Hours N/A N/A N/A N/A
CWR 20 0 10 0
Remarks...None.
.FORECAST FOR DAYS 3 THROUGH 7...
.WEDNESDAY NIGHT...Mostly clear. Lows in the upper 60s. Southwest
winds around 5 mph.
.THURSDAY...Mostly sunny with a chance of showers. Highs in the
lower 80s. West winds around 5 mph.
.THURSDAY NIGHT...Mostly cloudy with a chance of showers. Lows in
the lower 60s. West winds around 5 mph, becoming northwest after
midnight.
.FRIDAY AND FRIDAY NIGHT...Mostly cloudy. A chance of showers.
Lows in the lower 60s. Highs in the lower 80s. Northeast winds
around 5 mph.
.SATURDAY AND SATURDAY NIGHT...Mostly cloudy. A chance of
showers. Lows in the lower 60s. Highs in the upper 70s. Northeast
winds around 5 mph.
.SUNDAY...Mostly cloudy with showers likely. Highs in the upper
70s. East winds around 5 mph, becoming south around 5 mph in the
afternoon.
.SUNDAY NIGHT...Mostly cloudy with a chance of showers. Lows in
the mid 60s. Southwest winds around 5 mph.
.MONDAY...Mostly sunny with a chance of showers. Highs around 80.
West winds 5 to 10 mph.
$$
RIZ003-180800-
Western Kent RI-
Including the cities of Coventry and West Greenwich
407 PM EDT Mon Aug 17 2026
Tonight Tue Tue Night Wed
Cloud Cover Mcldy Pcldy Pcldy Mclear
Precip Type Showers None None None
Chance Precip (%) 20 10 10
Chance of Thunder (%) 0 0 0 0
Temp (24h trend) 66 (+1) 82 (+9) 63 83
RH % (24h trend) 100 (0) 74 (+10) 100 53
20ft Wnd AM(mph) Lgt/Var Lgt/Var
20ft Wnd PM(mph) Lgt/Var Lgt/Var Lgt/Var SW 5
Precip Amount 0.02 0.00 0.00 0.00
Precip Duration 0
Precip Begin 6 PM
Precip End 8 PM
Mixing Hgt (ft-AGL) 420 3170 400 5780
Transport Wnd (kts) N 5 W 7 NW 6 W 11
Vent Rate (kt-ft) 2100 22190 2400 63580
Max ADI Early 12 Poor 22 Fair 13 Gen Poor 52 Gen Good
Max ADI Late 4 Very Poor 26 Fair 4 Very Poor 81 Good
Max LVORI Early 10 4 9 1
Max LVORI Late 10 4 9 1
Min Vsby Early 2 Fog 0 Fog 8 4 Fog
Min Vsby Late 1 Fog 9 4 Fog 9
Sunshine Hours N/A N/A N/A N/A
CWR 20 0 0 0
Remarks...None.
.FORECAST FOR DAYS 3 THROUGH 7...
.WEDNESDAY NIGHT...Mostly clear. Lows in the mid 60s. Southwest
winds around 5 mph.
.THURSDAY...Mostly sunny with a chance of showers. Highs in the
lower 80s. West winds around 5 mph.
.THURSDAY NIGHT...Mostly cloudy with a chance of showers. Lows in
the lower 60s. West winds around 5 mph, becoming northwest after
midnight.
.FRIDAY AND FRIDAY NIGHT...Mostly cloudy. A chance of showers.
Lows in the lower 60s. Highs in the upper 70s. Northeast winds
around 5 mph.
.SATURDAY AND SATURDAY NIGHT...Mostly cloudy. A chance of
showers. Lows in the lower 60s. Highs in the mid 70s. Northeast
winds around 5 mph.
.SUNDAY...Mostly cloudy with showers likely. Highs in the upper
70s. East winds around 5 mph, becoming south in the afternoon.
.SUNDAY NIGHT...Mostly cloudy with a chance of showers. Lows in
the lower 60s. Southwest winds around 5 mph.
.MONDAY...Mostly sunny. Highs in the upper 70s. West winds 5 to
10 mph.
$$
RIZ004-180800-
Eastern Kent RI-
Including the cities of East Greenwich, Warwick, and West Warwick
407 PM EDT Mon Aug 17 2026
Tonight Tue Tue Night Wed
Cloud Cover Mcldy Pcldy Pcldy Mclear
Precip Type Showers None None None
Chance Precip (%) 30 10 10
Chance of Thunder (%) 0 0 0 0
Temp (24h trend) 67 (0) 82 (+7) 65 84
RH % (24h trend) 100 (0) 74 (+18) 100 51
20ft Wnd AM(mph) Lgt/Var Lgt/Var
20ft Wnd PM(mph) Lgt/Var Lgt/Var Lgt/Var SW 5
Precip Amount 0.02 0.00 0.00 0.00
Precip Duration 0
Precip Begin 6 PM
Precip End 8 PM
Mixing Hgt (ft-AGL) 440 2880 430 5870
Transport Wnd (kts) N 6 NW 6 NW 6 SW 11
Vent Rate (kt-ft) 2640 17280 2580 64570
Max ADI Early 12 Poor 21 Fair 11 Poor 43 Gen Good
Max ADI Late 4 Very Poor 23 Fair 3 Very Poor 82 Good
Max LVORI Early 10 4 8 1
Max LVORI Late 10 4 8 1
Min Vsby Early 2 Fog 1 Fog 9 4 Fog
Min Vsby Late 1 Fog 9 3 Fog 9
Sunshine Hours N/A N/A N/A N/A
CWR 20 0 0 0
Remarks...None.
.FORECAST FOR DAYS 3 THROUGH 7...
.WEDNESDAY NIGHT...Mostly clear. Lows in the upper 60s. Southwest
winds 5 to 10 mph.
.THURSDAY...Mostly sunny with a chance of showers. Highs in the
lower 80s. West winds around 5 mph.
.THURSDAY NIGHT...Mostly cloudy with a chance of showers. Lows in
the mid 60s. Southwest winds around 5 mph, becoming northwest
after midnight.
.FRIDAY AND FRIDAY NIGHT...Mostly cloudy. A chance of showers.
Lows in the mid 60s. Highs around 80. Northeast winds around
5 mph.
.SATURDAY AND SATURDAY NIGHT...Mostly cloudy. A chance of
showers. Lows in the mid 60s. Highs in the upper 70s. Northeast
winds around 5 mph.
.SUNDAY...Mostly cloudy with showers likely. Highs in the upper
70s. East winds around 5 mph, becoming south in the afternoon.
.SUNDAY NIGHT...Mostly cloudy with a chance of showers. Lows in
the mid 60s. Southwest winds around 5 mph.
.MONDAY...Mostly sunny. Highs around 80. West winds 5 to 10 mph.
$$
RIZ005-180800-
Bristol RI-
Including the city of Bristol
407 PM EDT Mon Aug 17 2026
Tonight Tue Tue Night Wed
Cloud Cover Mcldy Pcldy Pcldy Mclear
Precip Type Showers None None None
Chance Precip (%) 30 10 10
Chance of Thunder (%) 0 0 0 0
Temp (24h trend) 68 (0) 81 (+6) 66 84
RH % (24h trend) 100 (0) 79 (+12) 100 55
20ft Wnd AM(mph) Lgt/Var Lgt/Var
20ft Wnd PM(mph) Lgt/Var Lgt/Var Lgt/Var SW 6
Precip Amount 0.03 0.00 0.00 0.00
Precip Duration 1
Precip Begin 6 PM
Precip End 9 PM
Mixing Hgt (ft-AGL) 440 2790 410 5330
Transport Wnd (kts) N 5 N 6 NW 5 SW 11
Vent Rate (kt-ft) 2200 16740 2050 58630
Max ADI Early 13 Gen Poor 19 Gen Poor 9 Poor 34 Fair
Max ADI Late 4 Very Poor 23 Fair 3 Very Poor 76 Good
Max LVORI Early 10 4 8 1
Max LVORI Late 10 4 8 1
Min Vsby Early 3 Fog 1 Fog 9 4 Fog
Min Vsby Late 1 Fog 9 3 Fog 9
Sunshine Hours N/A N/A N/A N/A
CWR 30 0 0 0
Remarks...None.
.FORECAST FOR DAYS 3 THROUGH 7...
.WEDNESDAY NIGHT...Mostly clear. Lows in the upper 60s. Southwest
winds 5 to 10 mph.
.THURSDAY...Mostly sunny with a chance of showers. Highs in the
lower 80s. West winds around 5 mph.
.THURSDAY NIGHT...Mostly cloudy with a chance of showers. Lows in
the mid 60s. Southwest winds around 5 mph, becoming northwest
after midnight.
.FRIDAY AND FRIDAY NIGHT...Mostly cloudy. A chance of showers.
Lows in the mid 60s. Highs around 80. Northeast winds around
5 mph.
.SATURDAY AND SATURDAY NIGHT...Mostly cloudy. A chance of
showers. Lows in the mid 60s. Highs in the upper 70s. Northeast
winds 5 to 10 mph.
.SUNDAY...Mostly cloudy with showers likely. Highs in the upper
70s. East winds around 5 mph, becoming south in the afternoon.
.SUNDAY NIGHT...Mostly cloudy with a chance of showers. Lows in
the mid 60s. Southwest winds 5 to 10 mph.
.MONDAY...Mostly sunny. Highs around 80. West winds 5 to 10 mph.
$$
RIZ006-180800-
Washington RI-
Including the cities of Narragansett and Westerly
407 PM EDT Mon Aug 17 2026
Tonight Tue Tue Night Wed
Cloud Cover Mcldy Pcldy Pcldy Mclear
Precip Type Showers None None None
Chance Precip (%) 20 10 10
Chance of Thunder (%) 0 0 0 0
Temp (24h trend) 66 (-1) 82 (+8) 63 83
RH % (24h trend) 100 (0) 74 (+9) 100 51
20ft Wnd AM(mph) Lgt/Var Lgt/Var
20ft Wnd PM(mph) Lgt/Var Lgt/Var Lgt/Var SW 6
Precip Amount 0.02 0.00 0.00 0.00
Precip Duration 0
Precip Begin 6 PM
Precip End 8 PM
Mixing Hgt (ft-AGL) 420 2880 410 4990
Transport Wnd (kts) N 6 NW 6 N 6 SW 10
Vent Rate (kt-ft) 2520 17280 2460 49900
Max ADI Early 12 Poor 15 Gen Poor 11 Poor 36 Fair
Max ADI Late 4 Very Poor 16 Gen Poor 4 Very Poor 58 Gen Good
Max LVORI Early 9 5 8 2
Max LVORI Late 9 5 8 2
Min Vsby Early 3 Fog 1 Fog 8 4 Fog
Min Vsby Late 1 Fog 9 3 Fog 9
Sunshine Hours N/A N/A N/A N/A
CWR 20 0 0 0
Remarks...None.
.FORECAST FOR DAYS 3 THROUGH 7...
.WEDNESDAY NIGHT...Mostly clear. Lows in the upper 60s. Southwest
winds 5 to 10 mph.
.THURSDAY...Mostly sunny with a chance of showers. Highs in the
lower 80s. West winds 5 to 10 mph.
.THURSDAY NIGHT...Mostly cloudy with a chance of showers. Lows in
the lower 60s. Southwest winds around 5 mph, becoming northwest
after midnight.
.FRIDAY...Partly sunny with a chance of showers. Highs in the
upper 70s. Northeast winds around 5 mph.
.FRIDAY NIGHT...Mostly cloudy with a chance of showers. Lows in
the lower 60s. Northeast winds around 5 mph.
.SATURDAY THROUGH SUNDAY NIGHT...Mostly cloudy with a chance of
showers. Lows in the mid 60s. Highs in the upper 70s. West winds
5 to 10 mph.
.MONDAY...Mostly sunny. Highs in the upper 70s. West winds 5 to
10 mph.
$$
RIZ007-180800-
Newport RI-
Including the city of Newport
407 PM EDT Mon Aug 17 2026
Tonight Tue Tue Night Wed
Cloud Cover Mcldy Pcldy Pcldy Mclear
Precip Type Showers None None None
Chance Precip (%) 30 10 10
Chance of Thunder (%) 0 0 0 0
Temp (24h trend) 68 (0) 81 (+7) 67 83
RH % (24h trend) 100 (0) 79 (+9) 100 55
20ft Wnd AM(mph) Lgt/Var Lgt/Var
20ft Wnd PM(mph) Lgt/Var Lgt/Var Lgt/Var SW 7
Precip Amount 0.06 0.00 0.00 0.00
Precip Duration 1
Precip Begin 6 PM
Precip End 9 PM
Mixing Hgt (ft-AGL) 420 2220 420 3570
Transport Wnd (kts) N 6 N 7 NW 6 SW 10
Vent Rate (kt-ft) 2520 15540 2520 35700
Max ADI Early 13 Gen Poor 15 Gen Poor 8 Poor 20 Gen Poor
Max ADI Late 5 Very Poor 14 Gen Poor 4 Very Poor 39 Fair
Max LVORI Early 9 5 7 3
Max LVORI Late 9 5 7 3
Min Vsby Early 2 Fog 0 Fog 9 3 Fog
Min Vsby Late 1 Fog 9 3 Fog 9
Sunshine Hours N/A N/A N/A N/A
CWR 30 0 0 0
Remarks...None.
.FORECAST FOR DAYS 3 THROUGH 7...
.WEDNESDAY NIGHT...Mostly clear. Lows around 70. Southwest winds
5 to 10 mph.
.THURSDAY...Mostly sunny with a chance of showers. Highs in the
lower 80s. West winds 5 to 10 mph.
.THURSDAY NIGHT...Mostly cloudy with a chance of showers. Lows in
the mid 60s. Southwest winds 5 to 10 mph, becoming northwest
after midnight.
.FRIDAY AND FRIDAY NIGHT...Mostly cloudy. A chance of showers.
Lows in the mid 60s. Highs in the upper 70s. Northeast winds 5 to
10 mph.
.SATURDAY AND SATURDAY NIGHT...Mostly cloudy. A chance of
showers. Lows in the upper 60s. Highs in the upper 70s. Northeast
winds 5 to 10 mph.
.SUNDAY...Mostly cloudy with showers likely. Highs in the upper
70s. East winds 5 to 10 mph, becoming south in the afternoon.
.SUNDAY NIGHT...Mostly cloudy with a chance of showers. Lows in
the upper 60s. Southwest winds 5 to 10 mph.
.MONDAY...Mostly sunny. Highs in the upper 70s. West winds 10 to
15 mph.
$$
RIZ008-180800-
Block Island RI-
Including the city of New Shoreham
407 PM EDT Mon Aug 17 2026
Tonight Tue Tue Night Wed
Cloud Cover Mcldy Pcldy Pcldy Mclear
Precip Type None None None None
Chance Precip (%) 20 10 10
Chance of Thunder (%) 0 0 0 0
Temp (24h trend) 69 (0) 77 (+2) 69 79
RH % (24h trend) 100 (0) 90 (+19) 97 74
20ft Wnd AM(mph) Lgt/Var Lgt/Var
20ft Wnd PM(mph) NE 5 Lgt/Var Lgt/Var SW 7
Precip Amount 0.00 0.00 0.00 0.00
Precip Duration
Precip Begin
Precip End
Mixing Hgt (ft-AGL) 490 1200 460 970
Transport Wnd (kts) NE 9 N 6 SW 8 SW 6
Vent Rate (kt-ft) 4410 7200 3680 5820
Max ADI Early 13 Gen Poor 13 Gen Poor 10 Poor 9 Poor
Max ADI Late 7 Poor 9 Poor 6 Very Poor 15 Gen Poor
Max LVORI Early 9 7 7 4
Max LVORI Late 9 7 7 4
Min Vsby Early 2 Fog 1 Fog 9 4 Fog
Min Vsby Late 1 Fog 9 4 Fog 9
Sunshine Hours N/A N/A N/A N/A
CWR 0 0 0 0
Remarks...None.
.FORECAST FOR DAYS 3 THROUGH 7...
.WEDNESDAY NIGHT...Mostly clear. Lows in the lower 70s. Southwest
winds 5 to 10 mph.
.THURSDAY...Mostly sunny with a chance of showers. Highs in the
upper 70s. West winds around 5 mph.
.THURSDAY NIGHT...Mostly cloudy with a chance of showers. Lows in
the upper 60s. Southwest winds around 5 mph, becoming north after
midnight.
.FRIDAY THROUGH SATURDAY NIGHT...Mostly cloudy with a chance of
showers. Lows around 70. Highs in the mid 70s. East winds 5 to
10 mph.
.SUNDAY AND SUNDAY NIGHT...Mostly cloudy. A chance of showers.
Lows around 70. Highs in the upper 70s. West winds 5 to 10 mph.
.MONDAY...Mostly sunny. Highs in the upper 70s. West winds 5 to
10 mph.
$$
MAZ017-180800-
Northern Bristol MA-
Including the city of Taunton
407 PM EDT Mon Aug 17 2026
Tonight Tue Tue Night Wed
Cloud Cover Mcldy Mcldy Pcldy Mclear
Precip Type Showers None None None
Chance Precip (%) 40 10 20
Chance of Thunder (%) 0 0 0 0
Temp (24h trend) 65 (-1) 83 (+8) 64 85
RH % (24h trend) 100 (0) 72 (+16) 100 50
20ft Wnd AM(mph) Lgt/Var Lgt/Var
20ft Wnd PM(mph) Lgt/Var Lgt/Var Lgt/Var Lgt/Var
Precip Amount 0.04 0.00 0.00 0.00
Precip Duration 1
Precip Begin 6 PM
Precip End 9 PM
Mixing Hgt (ft-AGL) 430 2870 400 6340
Transport Wnd (kts) NE 6 N 6 W 5 SW 11
Vent Rate (kt-ft) 2580 17220 2000 69740
Max ADI Early 14 Gen Poor 21 Fair 12 Poor 52 Gen Good
Max ADI Late 3 Very Poor 23 Fair 3 Very Poor 90 Good
Max LVORI Early 10 4 9 1
Max LVORI Late 10 4 9 1
Min Vsby Early 2 Fog 1 Fog 8 4 Fog
Min Vsby Late 1 Fog 9 3 Fog 9
Sunshine Hours N/A N/A N/A N/A
CWR 30 0 0 0
Remarks...None.
.FORECAST FOR DAYS 3 THROUGH 7...
.WEDNESDAY NIGHT...Mostly clear. Lows in the mid 60s. Southwest
winds around 5 mph.
.THURSDAY...Mostly sunny with a chance of showers. Highs in the
mid 80s. West winds around 5 mph.
.THURSDAY NIGHT...Mostly cloudy with a chance of showers. Lows in
the lower 60s. West winds around 5 mph, becoming northwest after
midnight.
.FRIDAY...Mostly sunny. Highs around 80. Northeast winds around
5 mph.
.FRIDAY NIGHT...Mostly cloudy with a chance of showers. Lows in
the lower 60s. East winds around 5 mph in the evening, becoming
light and variable.
.SATURDAY AND SATURDAY NIGHT...Mostly cloudy. A chance of
showers. Lows in the lower 60s. Highs in the upper 70s. Northeast
winds around 5 mph.
.SUNDAY...Mostly cloudy with showers likely. Highs in the upper
70s. East winds around 5 mph, becoming south around 5 mph in the
afternoon.
.SUNDAY NIGHT...Mostly cloudy with a chance of showers. Lows in
the lower 60s. Southwest winds around 5 mph.
.MONDAY...Mostly sunny. Highs in the lower 80s. West winds 5 to
10 mph.
$$
MAZ018-180800-
Western Plymouth MA-
Including the city of Brockton
407 PM EDT Mon Aug 17 2026
Tonight Tue Tue Night Wed
Cloud Cover Mcldy Mcldy Pcldy Mclear
Precip Type Showers None None None
Chance Precip (%) 40 10 10
Chance of Thunder (%) 0 0 0 0
Temp (24h trend) 65 (-1) 81 (+6) 64 85
RH % (24h trend) 100 (0) 77 (+17) 100 48
20ft Wnd AM(mph) Lgt/Var Lgt/Var
20ft Wnd PM(mph) Lgt/Var Lgt/Var Lgt/Var Lgt/Var
Precip Amount 0.06 0.00 0.00 0.00
Precip Duration 1
Precip Begin 6 PM
Precip End 1 AM
Mixing Hgt (ft-AGL) 420 2630 400 6220
Transport Wnd (kts) E 5 N 7 E 4 SW 12
Vent Rate (kt-ft) 2100 18410 1600 74640
Max ADI Early 14 Gen Poor 20 Gen Poor 12 Poor 49 Gen Good
Max ADI Late 3 Very Poor 18 Gen Poor 3 Very Poor 90 Good
Max LVORI Early 10 4 10 1
Max LVORI Late 10 4 10 1
Min Vsby Early 2 Fog 0 Fog 7 4 Fog
Min Vsby Late 0 Fog 9 3 Fog 9
Sunshine Hours N/A N/A N/A N/A
CWR 30 0 0 0
Remarks...None.
.FORECAST FOR DAYS 3 THROUGH 7...
.WEDNESDAY NIGHT...Partly cloudy. Lows in the mid 60s. Southwest
winds around 5 mph.
.THURSDAY...Mostly sunny with a chance of showers. Highs in the
lower 80s. West winds around 5 mph.
.THURSDAY NIGHT...Mostly cloudy with a chance of showers. Lows in
the lower 60s. Southwest winds around 5 mph, becoming northwest
after midnight.
.FRIDAY...Mostly sunny. Highs in the upper 70s. Northeast winds
around 5 mph.
.FRIDAY NIGHT THROUGH SATURDAY NIGHT...Mostly cloudy with a
chance of showers. Lows in the lower 60s. Highs in the upper 70s.
East winds around 5 mph.
.SUNDAY...Mostly cloudy with showers likely. Highs in the upper
70s. East winds around 5 mph, becoming south around 5 mph in the
afternoon.
.SUNDAY NIGHT...Mostly cloudy with a chance of showers. Lows in
the lower 60s. Southwest winds around 5 mph.
.MONDAY...Mostly sunny with a chance of showers. Highs in the
lower 80s. West winds 5 to 10 mph.
$$
MAZ019-180800-
Eastern Plymouth MA-
Including the city of Plymouth
407 PM EDT Mon Aug 17 2026
Tonight Tue Tue Night Wed
Cloud Cover Mcldy Mcldy Pcldy Mclear
Precip Type Showers None None None
Chance Precip (%) 50 10 10
Chance of Thunder (%) 0 0 0 0
Temp (24h trend) 66 (-1) 77 (+3) 64 85
RH % (24h trend) 100 (0) 82 (+28) 100 46
20ft Wnd AM(mph) Lgt/Var Lgt/Var
20ft Wnd PM(mph) Lgt/Var Lgt/Var Lgt/Var Lgt/Var
Precip Amount 0.07 0.00 0.00 0.00
Precip Duration 1
Precip Begin 6 PM
Precip End 4 AM
Mixing Hgt (ft-AGL) 420 1900 410 4310
Transport Wnd (kts) E 7 N 8 W 5 SW 7
Vent Rate (kt-ft) 2940 15200 2050 30170
Max ADI Early 13 Gen Poor 16 Gen Poor 11 Poor 28 Fair
Max ADI Late 4 Very Poor 16 Gen Poor 3 Very Poor 33 Fair
Max LVORI Early 9 6 9 3
Max LVORI Late 9 6 9 3
Min Vsby Early 2 Fog 0 Fog 6 Fog 3 Fog
Min Vsby Late 0 Fog 9 2 Fog 9
Sunshine Hours N/A N/A N/A N/A
CWR 30 0 0 0
Remarks...None.
.FORECAST FOR DAYS 3 THROUGH 7...
.WEDNESDAY NIGHT...Partly cloudy. Lows in the upper 60s.
Southwest winds 5 to 10 mph.
.THURSDAY...Mostly sunny with a chance of showers. Highs in the
lower 80s. West winds around 5 mph, becoming east around 5 mph in
the afternoon.
.THURSDAY NIGHT...Mostly cloudy with a chance of showers. Lows in
the mid 60s. South winds around 5 mph, becoming northwest after
midnight.
.FRIDAY...Mostly sunny. Highs in the upper 70s. Northeast winds
around 5 mph.
.FRIDAY NIGHT THROUGH SATURDAY NIGHT...Mostly cloudy with a
chance of showers. Lows in the mid 60s. Highs in the mid 70s.
East winds 5 to 10 mph.
.SUNDAY AND SUNDAY NIGHT...Mostly cloudy with a chance of
showers. Lows in the mid 60s. Highs in the upper 70s. Southwest
winds 5 to 10 mph.
.MONDAY...Mostly sunny with a chance of showers. Highs around 80.
Southwest winds 5 to 10 mph.
$$
MAZ020-180800-
Southern Bristol MA-
Including the cities of Fall River and New Bedford
407 PM EDT Mon Aug 17 2026
Tonight Tue Tue Night Wed
Cloud Cover Mcldy Mcldy Pcldy Mclear
Precip Type Showers None None None
Chance Precip (%) 40 10 10
Chance of Thunder (%) 0 0 0 0
Temp (24h trend) 66 (-1) 82 (+7) 65 85
RH % (24h trend) 100 (0) 74 (+8) 100 53
20ft Wnd AM(mph) Lgt/Var Lgt/Var
20ft Wnd PM(mph) Lgt/Var Lgt/Var Lgt/Var SW 6
Precip Amount 0.05 0.00 0.00 0.00
Precip Duration 1
Precip Begin 6 PM
Precip End 9 PM
Mixing Hgt (ft-AGL) 430 2840 410 5360
Transport Wnd (kts) N 5 N 6 NW 6 SW 11
Vent Rate (kt-ft) 2150 17040 2460 58960
Max ADI Early 13 Gen Poor 17 Gen Poor 10 Poor 37 Fair
Max ADI Late 4 Very Poor 22 Fair 3 Very Poor 70 Good
Max LVORI Early 10 4 9 2
Max LVORI Late 10 4 9 2
Min Vsby Early 2 Fog 0 Fog 8 3 Fog
Min Vsby Late 0 Fog 9 3 Fog 9
Sunshine Hours N/A N/A N/A N/A
CWR 30 0 0 0
Remarks...None.
.FORECAST FOR DAYS 3 THROUGH 7...
.WEDNESDAY NIGHT...Mostly clear. Lows in the upper 60s. Southwest
winds 10 to 15 mph.
.THURSDAY...Mostly sunny with a chance of showers. Highs in the
lower 80s. West winds 5 to 10 mph.
.THURSDAY NIGHT...Mostly cloudy with a chance of showers. Lows in
the mid 60s. Southwest winds 5 to 10 mph, becoming northwest
after midnight.
.FRIDAY AND FRIDAY NIGHT...Mostly cloudy. A chance of showers.
Lows in the mid 60s. Highs in the upper 70s. Northeast winds 5 to
10 mph.
.SATURDAY AND SATURDAY NIGHT...Mostly cloudy. A chance of
showers. Lows in the mid 60s. Highs in the upper 70s. Northeast
winds 5 to 10 mph.
.SUNDAY...Mostly cloudy with showers likely. Highs in the upper
70s. East winds 5 to 10 mph, becoming south in the afternoon.
.SUNDAY NIGHT...Mostly cloudy with a chance of showers. Lows in
the mid 60s. Southwest winds 5 to 10 mph.
.MONDAY...Mostly sunny. Highs around 80. Southwest winds 10 to
15 mph.
$$
MAZ021-180800-
Southern Plymouth MA-
Including the city of Mattapoisett
407 PM EDT Mon Aug 17 2026
Tonight Tue Tue Night Wed
Cloud Cover Mcldy Mcldy Pcldy Mclear
Precip Type Showers None None None
Chance Precip (%) 50 10 10
Chance of Thunder (%) 0 0 0 0
Temp (24h trend) 67 (0) 82 (+7) 65 85
RH % (24h trend) 100 (0) 77 (+11) 100 55
20ft Wnd AM(mph) Lgt/Var Lgt/Var
20ft Wnd PM(mph) Lgt/Var Lgt/Var Lgt/Var SW 6
Precip Amount 0.06 0.00 0.00 0.00
Precip Duration 1
Precip Begin 6 PM
Precip End 12 AM
Mixing Hgt (ft-AGL) 420 2560 410 5200
Transport Wnd (kts) NE 5 N 7 NW 6 SW 11
Vent Rate (kt-ft) 2100 17920 2460 57200
Max ADI Early 14 Gen Poor 19 Gen Poor 11 Poor 38 Fair
Max ADI Late 4 Very Poor 18 Gen Poor 3 Very Poor 70 Good
Max LVORI Early 10 4 9 2
Max LVORI Late 10 4 9 2
Min Vsby Early 2 Fog 0 Fog 7 3 Fog
Min Vsby Late 0 Fog 9 3 Fog 9
Sunshine Hours N/A N/A N/A N/A
CWR 40 0 0 0
Remarks...None.
.FORECAST FOR DAYS 3 THROUGH 7...
.WEDNESDAY NIGHT...Partly cloudy. Lows in the upper 60s.
Southwest winds 5 to 10 mph.
.THURSDAY...Mostly sunny with a chance of showers. Highs in the
lower 80s. West winds 5 to 10 mph.
.THURSDAY NIGHT...Mostly cloudy with a chance of showers. Lows in
the mid 60s. Southwest winds 5 to 10 mph, becoming northwest
after midnight.
.FRIDAY THROUGH SATURDAY NIGHT...Mostly cloudy with a chance of
showers. Lows in the mid 60s. Highs in the upper 70s. East winds
5 to 10 mph.
.SUNDAY...Mostly cloudy with showers likely. Highs in the upper
70s. East winds 5 to 10 mph, becoming south in the afternoon.
.SUNDAY NIGHT...Mostly cloudy with a chance of showers. Lows in
the mid 60s. Southwest winds 5 to 10 mph.
.MONDAY...Mostly sunny. Highs around 80. Southwest winds 10 to
15 mph.
$$
MAZ022-180800-
Barnstable MA-
Including the cities of Chatham, Falmouth, and Provincetown
407 PM EDT Mon Aug 17 2026
Tonight Tue Tue Night Wed
Cloud Cover Mcldy Mcldy Pcldy Pcldy
Precip Type Showers None None None
Chance Precip (%) 50 10 10
Chance of Thunder (%) 0 0 0 0
Temp (24h trend) 68 (+1) 79 (+5) 67 82
RH % (24h trend) 100 (0) 79 (+24) 100 61
20ft Wnd AM(mph) Lgt/Var Lgt/Var
20ft Wnd PM(mph) Lgt/Var Lgt/Var Lgt/Var SW 5
Precip Amount 0.09 0.00 0.00 0.00
Precip Duration 1
Precip Begin 6 PM
Precip End 4 AM
Mixing Hgt (ft-AGL) 390 1990 410 3340
Transport Wnd (kts) NE 6 N 9 NW 5 SW 10
Vent Rate (kt-ft) 2340 17910 2050 33400
Max ADI Early 17 Gen Poor 19 Gen Poor 11 Poor 22 Fair
Max ADI Late 5 Very Poor 18 Gen Poor 3 Very Poor 36 Fair
Max LVORI Early 9 5 10 4
Max LVORI Late 9 5 10 4
Min Vsby Early 2 Fog 0 Fog 4 Fog 2 Fog
Min Vsby Late 0 Fog 9 1 Fog 9
Sunshine Hours N/A N/A N/A N/A
CWR 40 0 0 0
Remarks...None.
.FORECAST FOR DAYS 3 THROUGH 7...
.WEDNESDAY NIGHT...Mostly clear. Lows in the lower 70s. Southwest
winds 5 to 10 mph.
.THURSDAY...Mostly sunny with a chance of showers. Highs around
80. West winds around 5 mph.
.THURSDAY NIGHT...Mostly cloudy with a chance of showers. Lows in
the upper 60s. Southwest winds around 5 mph, becoming northwest
after midnight.
.FRIDAY THROUGH SATURDAY NIGHT...Mostly cloudy with a chance of
showers. Lows in the upper 60s. Highs in the upper 70s. East
winds 5 to 10 mph.
.SUNDAY AND SUNDAY NIGHT...Mostly cloudy. A chance of showers.
Lows in the upper 60s. Highs in the upper 70s. Southwest winds
5 to 10 mph.
.MONDAY...Mostly sunny with a chance of showers. Highs around 80.
Southwest winds 10 to 15 mph.
$$
MAZ023-180800-
Dukes MA-
Including the city of Vineyard Haven
407 PM EDT Mon Aug 17 2026
Tonight Tue Tue Night Wed
Cloud Cover Mcldy Pcldy Pcldy Mclear
Precip Type Showers None None None
Chance Precip (%) 40 10 10
Chance of Thunder (%) 0 0 0 0
Temp (24h trend) 68 (+1) 75 (0) 68 82
RH % (24h trend) 100 (0) 87 (+30) 100 61
20ft Wnd AM(mph) N 5 Lgt/Var
20ft Wnd PM(mph) E 6 Lgt/Var Lgt/Var SW 7
Precip Amount 0.14 0.00 0.00 0.00
Precip Duration 1
Precip Begin 6 PM
Precip End 9 PM
Mixing Hgt (ft-AGL) 450 1750 440 2600
Transport Wnd (kts) N 6 N 8 NE 7 SW 12
Vent Rate (kt-ft) 2700 14000 3080 31200
Max ADI Early 22 Fair 18 Gen Poor 12 Poor 20 Gen Poor
Max ADI Late 8 Poor 15 Gen Poor 5 Very Poor 34 Fair
Max LVORI Early 9 6 9 3
Max LVORI Late 9 6 9 3
Min Vsby Early 2 Fog 0 Fog 4 Fog 1 Fog
Min Vsby Late 1 Fog 9 0 Fog 9
Sunshine Hours N/A N/A N/A N/A
CWR 40 0 0 0
Remarks...None.
.FORECAST FOR DAYS 3 THROUGH 7...
.WEDNESDAY NIGHT...Mostly clear. Lows in the lower 70s. Southwest
winds 5 to 10 mph.
.THURSDAY...Mostly sunny with a chance of showers. Highs around
80. Southwest winds 5 to 10 mph.
.THURSDAY NIGHT...Mostly cloudy with a chance of showers. Lows in
the upper 60s. Southwest winds 5 to 10 mph, becoming northwest
after midnight.
.FRIDAY THROUGH SATURDAY NIGHT...Mostly cloudy with a chance of
showers. Lows in the upper 60s. Highs in the upper 70s. East
winds 5 to 10 mph.
.SUNDAY AND SUNDAY NIGHT...Mostly cloudy. A chance of showers.
Lows in the upper 60s. Highs in the upper 70s. Southwest winds
10 to 15 mph.
.MONDAY...Mostly sunny. Highs in the upper 70s. West winds 10 to
15 mph.
$$
MAZ024-180800-
Nantucket MA-
Including the city of Nantucket
407 PM EDT Mon Aug 17 2026
Tonight Tue Tue Night Wed
Cloud Cover Mcldy Pcldy Pcldy Pcldy
Precip Type Showers None None None
Chance Precip (%) 50 10
Chance of Thunder (%) 0 0 0 0
Temp (24h trend) 67 (0) 71 (-4) 68 80
RH % (24h trend) 100 (0) 93 (+36) 100 72
20ft Wnd AM(mph) N 6 Lgt/Var
20ft Wnd PM(mph) SE 8 N 6 Lgt/Var SW 7
Precip Amount 0.10 0.00 0.00 0.00
Precip Duration 1
Precip Begin 6 PM
Precip End 2 AM
Mixing Hgt (ft-AGL) 490 1410 880 1430
Transport Wnd (kts) E 7 N 9 W 7 SW 10
Vent Rate (kt-ft) 3430 12690 6160 14300
Max ADI Early 16 Gen Poor 19 Gen Poor 14 Gen Poor 18 Gen Poor
Max ADI Late 7 Poor 19 Gen Poor 5 Very Poor 21 Fair
Max LVORI Early 9 5 9 4
Max LVORI Late 9 5 9 4
Min Vsby Early 2 Fog 0 Fog 3 Fog 1 Fog
Min Vsby Late 0 Fog 8 1 Fog 9
Sunshine Hours N/A N/A N/A N/A
CWR 50 0 0 0
Remarks...None.
.FORECAST FOR DAYS 3 THROUGH 7...
.WEDNESDAY NIGHT...Mostly clear. Lows in the lower 70s. Southwest
winds 5 to 10 mph.
.THURSDAY...Mostly sunny with a chance of showers. Highs in the
upper 70s. Southwest winds 5 to 10 mph.
.THURSDAY NIGHT...Mostly cloudy with a chance of showers. Lows in
the upper 60s. Southwest winds 5 to 10 mph, becoming northwest
after midnight.
.FRIDAY THROUGH SUNDAY...Mostly cloudy with a chance of showers.
Lows in the upper 60s. Highs in the upper 70s. South winds 10 to
15 mph.
.SUNDAY NIGHT...Mostly cloudy with a chance of showers. Lows in
the upper 60s. Southwest winds 10 to 15 mph.
.MONDAY...Mostly sunny with a chance of showers. Highs in the
upper 70s. Southwest winds 10 to 15 mph.
$$
.OUTLOOK 8 TO 14 DAYS...
Temperatures near normal. Precipitation above normal.
$$
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