110
FNUS51 KBOX 170808
FWFBOX
FIRE WEATHER PLANNING FORECAST FOR SOUTHERN NEW ENGLAND
NATIONAL WEATHER SERVICE BOSTON/NORTON MA
407 AM EDT SUN MAY 17 2026
DISCUSSION
DRY AND UNSEASONABLY WARM TODAY FOLLOWED BY A BRIEF COOLDOWN NEAR
THE COAST MONDAY.
MINIMUM RELATIVE HUMIDITY THIS AFTERNOON WILL BE 30 TO
35 PERCENT, EXCEPT 45 TO 55 PERCENT ALONG THE IMMEDIATE SOUTH
COAST. MINIMUM RELATIVE HUMIDITY WEDNESDAY WILL BE 35 TO
45 PERCENT, EXCEPT 45 TO 60 PERCENT ALONG THE SOUTH COAST.
OUTLOOK...TUESDAY THROUGH SATURDAY
BECOMING HOT WITH INCREASING HUMIDITY TUESDAY AND WEDNESDAY.
ISOLATED INTERIOR THUNDERSTORMS POSSIBLE TUESDAY AFTERNOON WITH A
BETTER CHANCE OF SCATTERED STRONG TO SEVERE STORMS WEDNESDAY AS A
COLD FRONT MOVES INTO THE REGION. TURNING COOLER AND DRIER
THURSDAY AND FRIDAY, THEN THE NEXT CHANCE OF SHOWERS WILL BE
FRIDAY NIGHT AND SATURDAY AS A LOW PRESSURE APPROACHES.
MAZ015-172000-
SUFFOLK MA-
INCLUDING THE CITY OF BOSTON
407 AM EDT SUN MAY 17 2026
TODAY TONIGHT MON
CLOUD COVER CLEAR MCLEAR PCLDY
PRECIP TYPE NONE NONE NONE
CHANCE PRECIP (%)
CHANCE OF THUNDER (%) 0 0 0
TEMP (24H TREND) 86 (+7) 55 (-1) 76
RH % (24H TREND) 32 (-5) 74 (-19) 40
20FT WND AM(MPH) W 5 LGT/VAR
20FT WND PM(MPH) W 10 G21 NW 5 G19 E 7
PRECIP AMOUNT 0.00 0.00 0.00
PRECIP DURATION
PRECIP BEGIN
PRECIP END
MIXING HGT (FT-AGL) 6190 420 2660
TRANSPORT WND (KTS) W 17 E 9 SE 11
VENT RATE (KT-FT) 105230 3780 29260
MAX ADI EARLY 45 GEN GOOD 52 GEN GOOD 21 FAIR
MAX ADI LATE 69 GOOD 10 POOR 29 FAIR
MAX LVORI EARLY 1 3 2
MAX LVORI LATE 1 3 2
MIN VSBY EARLY 9 9 9
MIN VSBY LATE 9 9 9
SUNSHINE HOURS N/A N/A N/A
CWR 0 0 0
REMARKS...NONE.
FORECAST FOR DAYS 3 THROUGH 7
MONDAY NIGHT
MOSTLY CLEAR. LOWS AROUND 60. SOUTH WINDS 5 TO
10 MPH.
TUESDAY
SUNNY. HIGHS AROUND 90. SOUTHWEST WINDS 10 TO 15 MPH.
TUESDAY NIGHT
PARTLY CLOUDY. LOWS IN THE UPPER 60S. SOUTHWEST
WINDS 10 TO 15 MPH.
WEDNESDAY
MOSTLY SUNNY WITH SHOWERS LIKELY. HIGHS AROUND 90.
SOUTHWEST WINDS 10 TO 15 MPH.
WEDNESDAY NIGHT
MOSTLY CLOUDY WITH SHOWERS LIKELY. COOLER.
LOWS IN THE MID 50S. WEST WINDS 10 TO 15 MPH.
THURSDAY THROUGH FRIDAY
PARTLY CLOUDY. COOLER. LOWS 50 TO 56.
HIGHS IN THE UPPER 60S. EAST WINDS 5 TO 10 MPH.
FRIDAY NIGHT AND SATURDAY
MOSTLY CLOUDY. LOWS IN THE UPPER
40S. HIGHS IN THE MID 60S. EAST WINDS 5 TO 10 MPH.
MAZ016-172000-
EASTERN NORFOLK MA-
INCLUDING THE CITY OF QUINCY
407 AM EDT SUN MAY 17 2026
TODAY TONIGHT MON
CLOUD COVER CLEAR MCLEAR PCLDY
PRECIP TYPE NONE NONE NONE
CHANCE PRECIP (%)
CHANCE OF THUNDER (%) 0 0 0
TEMP (24H TREND) 86 (+8) 54 (-1) 76
RH % (24H TREND) 31 (-6) 72 (-17) 41
20FT WND AM(MPH) W 5 LGT/VAR
20FT WND PM(MPH) W 9 G21 NW 5 G19 SE 6
PRECIP AMOUNT 0.00 0.00 0.00
PRECIP DURATION
PRECIP BEGIN
PRECIP END
MIXING HGT (FT-AGL) 6420 410 3310
TRANSPORT WND (KTS) W 17 E 9 SE 10
VENT RATE (KT-FT) 109140 3690 33100
MAX ADI EARLY 62 GOOD 63 GOOD 25 FAIR
MAX ADI LATE 100 GOOD 10 POOR 43 GEN GOOD
MAX LVORI EARLY 1 3 2
MAX LVORI LATE 1 3 2
MIN VSBY EARLY 9 9 9
MIN VSBY LATE 9 9 9
SUNSHINE HOURS N/A N/A N/A
CWR 0 0 0
REMARKS...NONE.
FORECAST FOR DAYS 3 THROUGH 7
MONDAY NIGHT
MOSTLY CLEAR. LOWS IN THE UPPER 50S. SOUTH WINDS
5 TO 10 MPH.
TUESDAY
SUNNY. HIGHS AROUND 90. SOUTHWEST WINDS 10 TO 15 MPH.
TUESDAY NIGHT
PARTLY CLOUDY. LOWS IN THE UPPER 60S. SOUTHWEST
WINDS 10 TO 15 MPH.
WEDNESDAY
MOSTLY SUNNY WITH SHOWERS LIKELY. HIGHS IN THE LOWER
90S. SOUTHWEST WINDS 10 TO 15 MPH.
WEDNESDAY NIGHT
MOSTLY CLOUDY WITH SHOWERS LIKELY. COOLER.
LOWS IN THE MID 50S. WEST WINDS 10 TO 15 MPH.
THURSDAY THROUGH FRIDAY
PARTLY CLOUDY. COOLER. LOWS 49 TO 55.
HIGHS IN THE UPPER 60S. EAST WINDS 5 TO 10 MPH.
FRIDAY NIGHT AND SATURDAY
MOSTLY CLOUDY. LOWS IN THE UPPER
40S. HIGHS IN THE MID 60S. EAST WINDS AROUND 5 MPH.
MAZ013-172000-
WESTERN NORFOLK MA-
INCLUDING THE CITIES OF FOXBOROUGH AND NORWOOD
407 AM EDT SUN MAY 17 2026
TODAY TONIGHT MON
CLOUD COVER CLEAR MCLEAR PCLDY
PRECIP TYPE NONE NONE NONE
CHANCE PRECIP (%)
CHANCE OF THUNDER (%) 0 0 0
TEMP (24H TREND) 85 (+7) 55 (+1) 77
RH % (24H TREND) 32 (-6) 74 (-22) 39
20FT WND AM(MPH) W 5 LGT/VAR
20FT WND PM(MPH) W 9 G21 LGT/VAR SE 6
PRECIP AMOUNT 0.00 0.00 0.00
PRECIP DURATION
PRECIP BEGIN
PRECIP END
MIXING HGT (FT-AGL) 7180 420 3990
TRANSPORT WND (KTS) W 20 NE 8 S 12
VENT RATE (KT-FT) 143600 3360 47880
MAX ADI EARLY 66 GOOD 95 GOOD 33 FAIR
MAX ADI LATE 105 VERY GOOD10 POOR 61 GOOD
MAX LVORI EARLY 1 3 1
MAX LVORI LATE 1 3 1
MIN VSBY EARLY 9 9 9
MIN VSBY LATE 9 9 9
SUNSHINE HOURS N/A N/A N/A
CWR 0 0 0
REMARKS...NONE.
FORECAST FOR DAYS 3 THROUGH 7
MONDAY NIGHT
MOSTLY CLEAR. LOWS IN THE UPPER 50S. SOUTH WINDS
5 TO 10 MPH.
TUESDAY
SUNNY. HIGHS IN THE LOWER 90S. SOUTHWEST WINDS 5 TO
10 MPH.
TUESDAY NIGHT
PARTLY CLOUDY. LOWS IN THE UPPER 60S. SOUTHWEST
WINDS 5 TO 10 MPH.
WEDNESDAY
MOSTLY SUNNY WITH SHOWERS LIKELY. HIGHS IN THE LOWER
90S. SOUTHWEST WINDS 10 TO 15 MPH.
WEDNESDAY NIGHT
MOSTLY CLOUDY WITH SHOWERS LIKELY. COOLER.
LOWS IN THE MID 50S. WEST WINDS 5 TO 10 MPH.
THURSDAY THROUGH FRIDAY
PARTLY CLOUDY. COOLER. LOWS 48 TO 54.
HIGHS IN THE UPPER 60S. SOUTHEAST WINDS AROUND 5 MPH.
FRIDAY NIGHT AND SATURDAY
MOSTLY CLOUDY. LOWS IN THE UPPER
40S. HIGHS IN THE MID 60S. SOUTHEAST WINDS AROUND 5 MPH.
MAZ014-172000-
SOUTHEAST MIDDLESEX MA-
INCLUDING THE CITY OF CAMBRIDGE
407 AM EDT SUN MAY 17 2026
TODAY TONIGHT MON
CLOUD COVER CLEAR PCLDY PCLDY
PRECIP TYPE NONE NONE NONE
CHANCE PRECIP (%)
CHANCE OF THUNDER (%) 0 0 0
TEMP (24H TREND) 85 (+6) 55 (-2) 76
RH % (24H TREND) 31 (-5) 72 (-21) 38
20FT WND AM(MPH) W 5 LGT/VAR
20FT WND PM(MPH) W 9 G22 NW 5 G19 SE 7
PRECIP AMOUNT 0.00 0.00 0.00
PRECIP DURATION
PRECIP BEGIN
PRECIP END
MIXING HGT (FT-AGL) 8010 420 2930
TRANSPORT WND (KTS) W 22 E 8 SE 11
VENT RATE (KT-FT) 176220 3360 32230
MAX ADI EARLY 84 GOOD 105 VERY GOOD31 FAIR
MAX ADI LATE 105 VERY GOOD9 POOR 44 GEN GOOD
MAX LVORI EARLY 1 3 2
MAX LVORI LATE 1 3 2
MIN VSBY EARLY 9 9 9
MIN VSBY LATE 9 9 9
SUNSHINE HOURS N/A N/A N/A
CWR 0 0 0
REMARKS...NONE.
FORECAST FOR DAYS 3 THROUGH 7
MONDAY NIGHT
MOSTLY CLEAR. LOWS IN THE LOWER 60S. SOUTH WINDS
AROUND 5 MPH.
TUESDAY
SUNNY. HIGHS IN THE LOWER 90S. SOUTHWEST WINDS 5 TO
10 MPH.
TUESDAY NIGHT
PARTLY CLOUDY. LOWS AROUND 70. SOUTHWEST WINDS
5 TO 10 MPH.
WEDNESDAY
MOSTLY SUNNY WITH SHOWERS LIKELY. HIGHS IN THE LOWER
90S. SOUTHWEST WINDS 5 TO 10 MPH.
WEDNESDAY NIGHT
MOSTLY CLOUDY WITH SHOWERS LIKELY. COOLER.
LOWS IN THE MID 50S. WEST WINDS 5 TO 10 MPH.
THURSDAY THROUGH FRIDAY
PARTLY CLOUDY. COOLER. LOWS 49 TO 55.
HIGHS IN THE UPPER 60S. SOUTHEAST WINDS AROUND 5 MPH.
FRIDAY NIGHT AND SATURDAY
MOSTLY CLOUDY. LOWS IN THE UPPER
40S. HIGHS IN THE MID 60S. SOUTHEAST WINDS AROUND 5 MPH.
MAZ007-172000-
EASTERN ESSEX MA-
INCLUDING THE CITY OF GLOUCESTER
407 AM EDT SUN MAY 17 2026
TODAY TONIGHT MON
CLOUD COVER CLEAR PCLDY PCLDY
PRECIP TYPE NONE NONE NONE
CHANCE PRECIP (%)
CHANCE OF THUNDER (%) 0 0 0
TEMP (24H TREND) 84 (+7) 51 (-4) 68
RH % (24H TREND) 32 (-5) 83 (-13) 42
20FT WND AM(MPH) W 6 LGT/VAR
20FT WND PM(MPH) W 9 G21 LGT/VAR SE 6
PRECIP AMOUNT 0.00 0.00 0.00
PRECIP DURATION
PRECIP BEGIN
PRECIP END
MIXING HGT (FT-AGL) 6220 340 1970
TRANSPORT WND (KTS) W 17 NE 7 SE 10
VENT RATE (KT-FT) 105740 2380 19700
MAX ADI EARLY 48 GEN GOOD 42 GEN GOOD 18 GEN POOR
MAX ADI LATE 87 GOOD 10 POOR 23 FAIR
MAX LVORI EARLY 1 4 2
MAX LVORI LATE 1 4 2
MIN VSBY EARLY 9 9 9
MIN VSBY LATE 9 9 9
SUNSHINE HOURS N/A N/A N/A
CWR 0 0 0
REMARKS...NONE.
FORECAST FOR DAYS 3 THROUGH 7
MONDAY NIGHT
MOSTLY CLEAR. LOWS IN THE UPPER 50S. SOUTH WINDS
5 TO 10 MPH.
TUESDAY
SUNNY. HIGHS IN THE UPPER 80S. SOUTHWEST WINDS 10 TO
15 MPH.
TUESDAY NIGHT
PARTLY CLOUDY. LOWS IN THE MID 60S. SOUTHWEST
WINDS 10 TO 15 MPH.
WEDNESDAY
MOSTLY SUNNY WITH SHOWERS LIKELY. HIGHS IN THE UPPER
80S. SOUTHWEST WINDS 10 TO 15 MPH.
WEDNESDAY NIGHT
MOSTLY CLOUDY WITH SHOWERS LIKELY. COOLER.
LOWS IN THE MID 50S. WEST WINDS 10 TO 15 MPH.
THURSDAY THROUGH FRIDAY NIGHT
PARTLY CLOUDY. COOLER. LOWS
48 TO 54. HIGHS IN THE MID 60S. SOUTHWEST WINDS 5 TO 10 MPH.
SATURDAY
PARTLY SUNNY. HIGHS IN THE LOWER 60S. SOUTHEAST WINDS
5 TO 10 MPH.
MAZ006-172000-
WESTERN ESSEX MA-
INCLUDING THE CITY OF LAWRENCE
407 AM EDT SUN MAY 17 2026
TODAY TONIGHT MON
CLOUD COVER CLEAR PCLDY PCLDY
PRECIP TYPE NONE NONE NONE
CHANCE PRECIP (%)
CHANCE OF THUNDER (%) 0 0 0
TEMP (24H TREND) 84 (+5) 53 (-3) 72
RH % (24H TREND) 30 (-3) 77 (-19) 39
20FT WND AM(MPH) W 5 LGT/VAR
20FT WND PM(MPH) W 10 G22 LGT/VAR SE 6
PRECIP AMOUNT 0.00 0.00 0.00
PRECIP DURATION
PRECIP BEGIN
PRECIP END
MIXING HGT (FT-AGL) 8540 360 3170
TRANSPORT WND (KTS) W 22 E 7 S 12
VENT RATE (KT-FT) 187880 2520 38040
MAX ADI EARLY 98 GOOD 101 VERY GOOD32 FAIR
MAX ADI LATE 105 VERY GOOD8 POOR 50 GEN GOOD
MAX LVORI EARLY 1 3 2
MAX LVORI LATE 1 3 2
MIN VSBY EARLY 9 9 9
MIN VSBY LATE 9 9 9
SUNSHINE HOURS N/A N/A N/A
CWR 0 0 0
REMARKS...NONE.
FORECAST FOR DAYS 3 THROUGH 7
MONDAY NIGHT
MOSTLY CLEAR. LOWS IN THE UPPER 50S. SOUTH WINDS
AROUND 5 MPH.
TUESDAY
SUNNY. HIGHS IN THE LOWER 90S. SOUTHWEST WINDS 5 TO
10 MPH.
TUESDAY NIGHT
PARTLY CLOUDY. WARMER. LOWS IN THE UPPER 60S.
SOUTHWEST WINDS 5 TO 10 MPH.
WEDNESDAY
MOSTLY SUNNY WITH SHOWERS LIKELY. HIGHS IN THE LOWER
90S. SOUTHWEST WINDS 5 TO 10 MPH.
WEDNESDAY NIGHT
MOSTLY CLOUDY WITH SHOWERS LIKELY. COOLER.
LOWS IN THE LOWER 50S. WEST WINDS 5 TO 10 MPH.
THURSDAY THROUGH FRIDAY NIGHT
PARTLY CLOUDY. COOLER. LOWS
47 TO 53. HIGHS IN THE UPPER 60S. SOUTHWEST WINDS 5 TO 10 MPH.
SATURDAY
PARTLY SUNNY. HIGHS IN THE MID 60S. SOUTHEAST WINDS
AROUND 5 MPH.
MAZ005-172000-
CENTRAL MIDDLESEX MA-
INCLUDING THE CITIES OF FRAMINGHAM AND LOWELL
407 AM EDT SUN MAY 17 2026
TODAY TONIGHT MON
CLOUD COVER CLEAR MCLEAR PCLDY
PRECIP TYPE NONE NONE NONE
CHANCE PRECIP (%)
CHANCE OF THUNDER (%) 0 0 0
TEMP (24H TREND) 85 (+7) 54 (-1) 80
RH % (24H TREND) 31 (-3) 75 (-25) 38
20FT WND AM(MPH) W 5 LGT/VAR
20FT WND PM(MPH) W 9 G22 LGT/VAR SE 5
PRECIP AMOUNT 0.00 0.00 0.00
PRECIP DURATION
PRECIP BEGIN
PRECIP END
MIXING HGT (FT-AGL) 7870 380 4320
TRANSPORT WND (KTS) W 22 E 7 S 12
VENT RATE (KT-FT) 173140 2660 51840
MAX ADI EARLY 83 GOOD 104 VERY GOOD36 FAIR
MAX ADI LATE 105 VERY GOOD8 POOR 65 GOOD
MAX LVORI EARLY 1 3 1
MAX LVORI LATE 1 3 1
MIN VSBY EARLY 9 9 9
MIN VSBY LATE 9 9 9
SUNSHINE HOURS N/A N/A N/A
CWR 0 0 0
REMARKS...NONE.
FORECAST FOR DAYS 3 THROUGH 7
MONDAY NIGHT
MOSTLY CLEAR. LOWS AROUND 60. SOUTH WINDS 5 TO
10 MPH.
TUESDAY
SUNNY. HIGHS IN THE LOWER 90S. SOUTHWEST WINDS 5 TO
10 MPH.
TUESDAY NIGHT
PARTLY CLOUDY. LOWS IN THE UPPER 60S. SOUTHWEST
WINDS 5 TO 10 MPH.
WEDNESDAY
MOSTLY SUNNY WITH SHOWERS LIKELY. HIGHS IN THE LOWER
90S. SOUTHWEST WINDS 10 TO 15 MPH.
WEDNESDAY NIGHT
MOSTLY CLOUDY WITH SHOWERS LIKELY. COOLER.
LOWS IN THE LOWER 50S. WEST WINDS 5 TO 10 MPH.
THURSDAY THROUGH FRIDAY NIGHT
PARTLY CLOUDY. COOLER. LOWS
47 TO 53. HIGHS IN THE UPPER 60S. SOUTHWEST WINDS AROUND 5 MPH.
SATURDAY
MOSTLY CLOUDY. HIGHS IN THE UPPER 60S. SOUTHEAST
WINDS AROUND 5 MPH.
MAZ012-172000-
SOUTHERN WORCESTER MA-
INCLUDING THE CITIES OF MILFORD AND WORCESTER
407 AM EDT SUN MAY 17 2026
TODAY TONIGHT MON
CLOUD COVER MCLEAR MCLEAR PCLDY
PRECIP TYPE NONE NONE NONE
CHANCE PRECIP (%)
CHANCE OF THUNDER (%) 0 0 0
TEMP (24H TREND) 85 (+8) 55 (+1) 80
RH % (24H TREND) 34 (-4) 77 (-23) 39
20FT WND AM(MPH) W 6 LGT/VAR
20FT WND PM(MPH) W 9 G22 LGT/VAR S 6
PRECIP AMOUNT 0.00 0.00 0.00
PRECIP DURATION
PRECIP BEGIN
PRECIP END
MIXING HGT (FT-AGL) 7140 400 4190
TRANSPORT WND (KTS) W 20 NE 8 S 12
VENT RATE (KT-FT) 142800 3200 50280
MAX ADI EARLY 64 GOOD 78 GOOD 37 FAIR
MAX ADI LATE 105 VERY GOOD9 POOR 64 GOOD
MAX LVORI EARLY 1 3 1
MAX LVORI LATE 1 3 1
MIN VSBY EARLY 9 9 9
MIN VSBY LATE 9 9 9
SUNSHINE HOURS N/A N/A N/A
CWR 0 0 0
REMARKS...NONE.
FORECAST FOR DAYS 3 THROUGH 7
MONDAY NIGHT
MOSTLY CLEAR. LOWS AROUND 60. SOUTHWEST WINDS
5 TO 10 MPH.
TUESDAY
SUNNY. HIGHS IN THE LOWER 90S. SOUTHWEST WINDS 10 TO
15 MPH.
TUESDAY NIGHT
PARTLY CLOUDY. LOWS IN THE UPPER 60S. SOUTHWEST
WINDS 5 TO 10 MPH.
WEDNESDAY
MOSTLY SUNNY WITH SHOWERS LIKELY AND A CHANCE OF
THUNDERSTORMS. HIGHS IN THE LOWER 90S. SOUTHWEST WINDS 10 TO
15 MPH.
WEDNESDAY NIGHT
MOSTLY CLOUDY WITH SHOWERS LIKELY AND A CHANCE
OF THUNDERSTORMS. COOLER. LOWS IN THE LOWER 50S. WEST WINDS 10 TO
15 MPH.
THURSDAY THROUGH FRIDAY NIGHT
PARTLY CLOUDY. COOLER. LOWS
47 TO 52. HIGHS IN THE UPPER 60S. SOUTHWEST WINDS 5 TO 10 MPH.
SATURDAY
MOSTLY CLOUDY. HIGHS IN THE UPPER 60S. SOUTHEAST
WINDS AROUND 5 MPH.
MAZ004-172000-
NORTHERN WORCESTER MA-
INCLUDING THE CITIES OF BARRE AND FITCHBURG
407 AM EDT SUN MAY 17 2026
TODAY TONIGHT MON
CLOUD COVER MCLEAR MCLEAR PCLDY
PRECIP TYPE NONE NONE NONE
CHANCE PRECIP (%)
CHANCE OF THUNDER (%) 0 0 0
TEMP (24H TREND) 83 (+7) 52 (-1) 81
RH % (24H TREND) 34 (-1) 80 (-20) 39
20FT WND AM(MPH) W 6 G19 LGT/VAR
20FT WND PM(MPH) W 10 G23 LGT/VAR S 6
PRECIP AMOUNT 0.00 0.00 0.00
PRECIP DURATION
PRECIP BEGIN
PRECIP END
MIXING HGT (FT-AGL) 6740 400 4740
TRANSPORT WND (KTS) W 20 NE 7 S 13
VENT RATE (KT-FT) 134800 2800 61620
MAX ADI EARLY 71 GOOD 82 GOOD 30 FAIR
MAX ADI LATE 79 GOOD 8 POOR 78 GOOD
MAX LVORI EARLY 1 3 1
MAX LVORI LATE 1 3 1
MIN VSBY EARLY 9 9 9
MIN VSBY LATE 9 8 9
SUNSHINE HOURS N/A N/A N/A
CWR 0 0 0
REMARKS...NONE.
FORECAST FOR DAYS 3 THROUGH 7
MONDAY NIGHT
MOSTLY CLEAR. LOWS AROUND 60. SOUTHWEST WINDS
5 TO 10 MPH.
TUESDAY
SUNNY. HIGHS AROUND 90. SOUTHWEST WINDS 5 TO 10 MPH.
TUESDAY NIGHT
PARTLY CLOUDY. LOWS IN THE UPPER 60S. SOUTHWEST
WINDS 5 TO 10 MPH.
WEDNESDAY
MOSTLY SUNNY WITH SHOWERS LIKELY AND A CHANCE OF
THUNDERSTORMS. HIGHS IN THE UPPER 80S. WEST WINDS 10 TO 15 MPH.
WEDNESDAY NIGHT
MOSTLY CLOUDY WITH SHOWERS LIKELY AND A CHANCE
OF THUNDERSTORMS. COOLER. LOWS AROUND 50. WEST WINDS 5 TO 10 MPH.
THURSDAY THROUGH FRIDAY NIGHT
PARTLY CLOUDY. COOLER. LOWS
45 TO 50. HIGHS IN THE UPPER 60S. SOUTHWEST WINDS 5 TO 10 MPH.
SATURDAY
MOSTLY CLOUDY. HIGHS IN THE MID 60S. SOUTHEAST WINDS
AROUND 5 MPH.
MAZ026-172000-
NORTHERN MIDDLESEX MA-
INCLUDING THE CITY OF AYER
407 AM EDT SUN MAY 17 2026
TODAY TONIGHT MON
CLOUD COVER CLEAR PCLDY PCLDY
PRECIP TYPE NONE NONE NONE
CHANCE PRECIP (%)
CHANCE OF THUNDER (%) 0 0 0
TEMP (24H TREND) 85 (+7) 52 (-3) 79
RH % (24H TREND) 32 (-4) 77 (-19) 40
20FT WND AM(MPH) W 5 G19 LGT/VAR
20FT WND PM(MPH) W 10 G23 LGT/VAR SE 5
PRECIP AMOUNT 0.00 0.00 0.00
PRECIP DURATION
PRECIP BEGIN
PRECIP END
MIXING HGT (FT-AGL) 7560 370 4940
TRANSPORT WND (KTS) W 22 E 6 S 13
VENT RATE (KT-FT) 166320 2220 64220
MAX ADI EARLY 91 GOOD 89 GOOD 40 FAIR
MAX ADI LATE 105 VERY GOOD7 POOR 81 GOOD
MAX LVORI EARLY 1 3 1
MAX LVORI LATE 1 3 1
MIN VSBY EARLY 9 9 9
MIN VSBY LATE 9 9 9
SUNSHINE HOURS N/A N/A N/A
CWR 0 0 0
REMARKS...NONE.
FORECAST FOR DAYS 3 THROUGH 7
MONDAY NIGHT
MOSTLY CLEAR. LOWS AROUND 60. SOUTH WINDS AROUND
5 MPH.
TUESDAY
SUNNY. HIGHS IN THE LOWER 90S. SOUTHWEST WINDS 5 TO
10 MPH.
TUESDAY NIGHT
PARTLY CLOUDY. LOWS IN THE UPPER 60S. SOUTHWEST
WINDS 5 TO 10 MPH.
WEDNESDAY
MOSTLY SUNNY WITH SHOWERS LIKELY. HIGHS AROUND 90.
WEST WINDS 5 TO 10 MPH.
WEDNESDAY NIGHT
MOSTLY CLOUDY WITH SHOWERS LIKELY. COOLER.
LOWS IN THE LOWER 50S. WEST WINDS 5 TO 10 MPH.
THURSDAY THROUGH FRIDAY NIGHT
PARTLY CLOUDY. COOLER. LOWS
45 TO 51. HIGHS IN THE UPPER 60S. SOUTHWEST WINDS AROUND 5 MPH.
SATURDAY
MOSTLY CLOUDY. HIGHS IN THE UPPER 60S. SOUTHEAST
WINDS AROUND 5 MPH.
MAZ002-172000-
WESTERN FRANKLIN MA-
INCLUDING THE CITY OF CHARLEMONT
407 AM EDT SUN MAY 17 2026
TODAY TONIGHT MON
CLOUD COVER MCLEAR PCLDY PCLDY
PRECIP TYPE NONE NONE NONE
CHANCE PRECIP (%) 10
CHANCE OF THUNDER (%) 0 0 0
TEMP (24H TREND) 82 (+6) 52 (-1) 83
RH % (24H TREND) 34 (-1) 80 (-20) 40
20FT WND AM(MPH) W 5 G18 LGT/VAR
20FT WND PM(MPH) W 9 G23 LGT/VAR S 5
PRECIP AMOUNT 0.00 0.00 0.00
PRECIP DURATION
PRECIP BEGIN
PRECIP END
MIXING HGT (FT-AGL) 6470 390 4770
TRANSPORT WND (KTS) W 22 NE 5 S 14
VENT RATE (KT-FT) 142340 1950 66780
MAX ADI EARLY 73 GOOD 72 GOOD 38 FAIR
MAX ADI LATE 105 VERY GOOD6 VERY POOR 95 GOOD
MAX LVORI EARLY 1 4 1
MAX LVORI LATE 1 4 1
MIN VSBY EARLY 9 9 8
MIN VSBY LATE 9 7 9
SUNSHINE HOURS N/A N/A N/A
CWR 0 0 0
REMARKS...NONE.
FORECAST FOR DAYS 3 THROUGH 7
MONDAY NIGHT
MOSTLY CLEAR. LOWS IN THE LOWER 60S. SOUTH WINDS
AROUND 5 MPH.
TUESDAY AND TUESDAY NIGHT
PARTLY CLOUDY. A CHANCE OF SHOWERS.
LOWS 61 TO 67. HIGHS IN THE UPPER 80S. SOUTHWEST WINDS 5 TO
10 MPH.
WEDNESDAY AND WEDNESDAY NIGHT
SHOWERS AND A CHANCE OF
THUNDERSTORMS. LOWS 46 TO 67. HIGHS IN THE LOWER 80S. NORTHWEST
WINDS 10 TO 15 MPH.
THURSDAY THROUGH FRIDAY
PARTLY CLOUDY. LOWS IN THE MID 40S.
HIGHS IN THE MID 60S. SOUTH WINDS 5 TO 10 MPH.
FRIDAY NIGHT AND SATURDAY
MOSTLY CLOUDY. LOWS IN THE MID 40S.
HIGHS IN THE MID 60S. SOUTHEAST WINDS AROUND 5 MPH.
MAZ003-172000-
EASTERN FRANKLIN MA-
INCLUDING THE CITIES OF GREENFIELD AND ORANGE
407 AM EDT SUN MAY 17 2026
TODAY TONIGHT MON
CLOUD COVER MCLEAR PCLDY PCLDY
PRECIP TYPE NONE NONE NONE
CHANCE PRECIP (%) 10
CHANCE OF THUNDER (%) 0 0 0
TEMP (24H TREND) 84 (+5) 52 (-1) 83
RH % (24H TREND) 34 (0) 83 (-17) 40
20FT WND AM(MPH) W 5 G17 LGT/VAR
20FT WND PM(MPH) W 9 G22 LGT/VAR S 6
PRECIP AMOUNT 0.00 0.00 0.00
PRECIP DURATION
PRECIP BEGIN
PRECIP END
MIXING HGT (FT-AGL) 6570 360 4610
TRANSPORT WND (KTS) W 19 NE 5 S 14
VENT RATE (KT-FT) 124830 1800 64540
MAX ADI EARLY 70 GOOD 73 GOOD 38 FAIR
MAX ADI LATE 102 VERY GOOD5 VERY POOR 84 GOOD
MAX LVORI EARLY 1 5 1
MAX LVORI LATE 1 5 1
MIN VSBY EARLY 9 9 8
MIN VSBY LATE 9 8 9
SUNSHINE HOURS N/A N/A N/A
CWR 0 0 0
REMARKS...NONE.
FORECAST FOR DAYS 3 THROUGH 7
MONDAY NIGHT
MOSTLY CLEAR. LOWS IN THE LOWER 60S. SOUTH WINDS
5 TO 10 MPH.
TUESDAY AND TUESDAY NIGHT
PARTLY CLOUDY. A CHANCE OF SHOWERS.
LOWS 61 TO 68. HIGHS IN THE LOWER 90S. SOUTHWEST WINDS 5 TO
10 MPH.
WEDNESDAY AND WEDNESDAY NIGHT
MOSTLY CLOUDY. SHOWERS LIKELY
AND A CHANCE OF THUNDERSTORMS. LOWS 49 TO 68. HIGHS IN THE UPPER
80S. NORTHWEST WINDS 10 TO 15 MPH.
THURSDAY THROUGH FRIDAY
PARTLY CLOUDY. COOLER. LOWS 44 TO 49.
HIGHS IN THE UPPER 60S. SOUTH WINDS 5 TO 10 MPH.
FRIDAY NIGHT AND SATURDAY
MOSTLY CLOUDY. LOWS IN THE MID 40S.
HIGHS IN THE UPPER 60S. SOUTHEAST WINDS AROUND 5 MPH.
MAZ008-172000-
WESTERN HAMPSHIRE MA-
INCLUDING THE CITY OF CHESTERFIELD
407 AM EDT SUN MAY 17 2026
TODAY TONIGHT MON
CLOUD COVER MCLEAR PCLDY PCLDY
PRECIP TYPE NONE NONE NONE
CHANCE PRECIP (%) 10
CHANCE OF THUNDER (%) 0 0 0
TEMP (24H TREND) 82 (+6) 53 (-1) 83
RH % (24H TREND) 35 (0) 80 (-20) 41
20FT WND AM(MPH) W 6 G19 LGT/VAR
20FT WND PM(MPH) W 9 G23 LGT/VAR S 5
PRECIP AMOUNT 0.00 0.00 0.00
PRECIP DURATION
PRECIP BEGIN
PRECIP END
MIXING HGT (FT-AGL) 6550 410 4350
TRANSPORT WND (KTS) W 22 NE 6 S 14
VENT RATE (KT-FT) 144100 2460 60900
MAX ADI EARLY 72 GOOD 76 GOOD 37 FAIR
MAX ADI LATE 105 VERY GOOD7 POOR 81 GOOD
MAX LVORI EARLY 1 4 1
MAX LVORI LATE 1 4 1
MIN VSBY EARLY 9 9 9
MIN VSBY LATE 9 8 9
SUNSHINE HOURS N/A N/A N/A
CWR 0 0 0
REMARKS...NONE.
FORECAST FOR DAYS 3 THROUGH 7
MONDAY NIGHT
MOSTLY CLEAR. LOWS IN THE LOWER 60S. SOUTH WINDS
5 TO 10 MPH.
TUESDAY
SUNNY. HIGHS AROUND 90. SOUTHWEST WINDS 5 TO 10 MPH.
TUESDAY NIGHT
PARTLY CLOUDY. LOWS IN THE UPPER 60S. SOUTHWEST
WINDS 5 TO 10 MPH.
WEDNESDAY AND WEDNESDAY NIGHT
SHOWERS AND A CHANCE OF
THUNDERSTORMS. LOWS 47 TO 67. HIGHS IN THE MID 80S. NORTHWEST
WINDS 10 TO 15 MPH.
THURSDAY THROUGH FRIDAY
PARTLY CLOUDY. LOWS IN THE MID 40S.
HIGHS IN THE MID 60S. SOUTHEAST WINDS 5 TO 10 MPH.
FRIDAY NIGHT AND SATURDAY
MOSTLY CLOUDY. LOWS IN THE MID 40S.
HIGHS IN THE MID 60S. SOUTHEAST WINDS AROUND 5 MPH.
MAZ010-172000-
EASTERN HAMPSHIRE MA-
INCLUDING THE CITIES OF AMHERST AND NORTHAMPTON
407 AM EDT SUN MAY 17 2026
TODAY TONIGHT MON
CLOUD COVER MCLEAR MCLEAR PCLDY
PRECIP TYPE NONE NONE NONE
CHANCE PRECIP (%)
CHANCE OF THUNDER (%) 0 0 0
TEMP (24H TREND) 86 (+6) 55 (+1) 84
RH % (24H TREND) 34 (0) 83 (-17) 40
20FT WND AM(MPH) W 5 G17 LGT/VAR
20FT WND PM(MPH) W 10 G22 LGT/VAR S 7
PRECIP AMOUNT 0.00 0.00 0.00
PRECIP DURATION
PRECIP BEGIN
PRECIP END
MIXING HGT (FT-AGL) 7170 370 4150
TRANSPORT WND (KTS) W 19 NE 6 S 13
VENT RATE (KT-FT) 136230 2220 53950
MAX ADI EARLY 65 GOOD 71 GOOD 36 FAIR
MAX ADI LATE 97 GOOD 7 POOR 71 GOOD
MAX LVORI EARLY 1 4 1
MAX LVORI LATE 1 4 1
MIN VSBY EARLY 9 9 9
MIN VSBY LATE 9 8 9
SUNSHINE HOURS N/A N/A N/A
CWR 0 0 0
REMARKS...NONE.
FORECAST FOR DAYS 3 THROUGH 7
MONDAY NIGHT
MOSTLY CLEAR. LOWS IN THE LOWER 60S. SOUTH WINDS
5 TO 10 MPH.
TUESDAY
SUNNY WITH A CHANCE OF SHOWERS. HIGHS IN THE MID 90S.
SOUTHWEST WINDS 5 TO 10 MPH.
TUESDAY NIGHT
PARTLY CLOUDY. LOWS IN THE UPPER 60S. SOUTHWEST
WINDS 5 TO 10 MPH.
WEDNESDAY
SHOWERS AND A CHANCE OF THUNDERSTORMS. HIGHS AROUND
90. SOUTHWEST WINDS 10 TO 15 MPH.
WEDNESDAY NIGHT
MOSTLY CLOUDY WITH SHOWERS LIKELY AND A CHANCE
OF THUNDERSTORMS. COOLER. LOWS IN THE LOWER 50S. NORTHWEST WINDS
10 TO 15 MPH.
THURSDAY THROUGH FRIDAY
PARTLY CLOUDY. NOT AS WARM. LOWS IN
THE UPPER 40S. HIGHS AROUND 70. SOUTH WINDS 5 TO 10 MPH.
FRIDAY NIGHT AND SATURDAY
MOSTLY CLOUDY. LOWS IN THE UPPER
40S. HIGHS IN THE UPPER 60S. SOUTHEAST WINDS AROUND 5 MPH.
MAZ009-172000-
WESTERN HAMPDEN MA-
INCLUDING THE CITY OF BLANDFORD
407 AM EDT SUN MAY 17 2026
TODAY TONIGHT MON
CLOUD COVER MCLEAR PCLDY PCLDY
PRECIP TYPE NONE NONE NONE
CHANCE PRECIP (%)
CHANCE OF THUNDER (%) 0 0 0
TEMP (24H TREND) 84 (+8) 54 (0) 83
RH % (24H TREND) 36 (+1) 77 (-16) 41
20FT WND AM(MPH) W 6 G17 LGT/VAR
20FT WND PM(MPH) W 9 G21 LGT/VAR S 5
PRECIP AMOUNT 0.00 0.00 0.00
PRECIP DURATION
PRECIP BEGIN
PRECIP END
MIXING HGT (FT-AGL) 6670 410 3910
TRANSPORT WND (KTS) W 20 NW 8 S 13
VENT RATE (KT-FT) 133400 3280 50830
MAX ADI EARLY 64 GOOD 72 GOOD 37 FAIR
MAX ADI LATE 105 VERY GOOD7 POOR 73 GOOD
MAX LVORI EARLY 1 4 1
MAX LVORI LATE 1 4 1
MIN VSBY EARLY 9 9 9
MIN VSBY LATE 9 9 9
SUNSHINE HOURS N/A N/A N/A
CWR 0 0 0
REMARKS...NONE.
FORECAST FOR DAYS 3 THROUGH 7
MONDAY NIGHT
MOSTLY CLEAR. LOWS IN THE LOWER 60S. SOUTHWEST
WINDS 5 TO 10 MPH.
TUESDAY
SUNNY. HIGHS IN THE LOWER 90S. SOUTHWEST WINDS 5 TO
10 MPH.
TUESDAY NIGHT
PARTLY CLOUDY. LOWS IN THE UPPER 60S. SOUTHWEST
WINDS 5 TO 10 MPH.
WEDNESDAY AND WEDNESDAY NIGHT
SHOWERS AND A CHANCE OF
THUNDERSTORMS. LOWS 48 TO 68. HIGHS IN THE MID 80S. NORTHWEST
WINDS 10 TO 15 MPH.
THURSDAY THROUGH FRIDAY
PARTLY CLOUDY. COOLER. LOWS IN THE
UPPER 40S. HIGHS IN THE UPPER 60S. SOUTHEAST WINDS 5 TO 10 MPH.
FRIDAY NIGHT
MOSTLY CLOUDY. LOWS IN THE MID 40S. SOUTH WINDS
AROUND 5 MPH.
SATURDAY
PARTLY SUNNY WITH A CHANCE OF SHOWERS. HIGHS IN THE
MID 60S. SOUTHEAST WINDS AROUND 5 MPH.
MAZ011-172000-
EASTERN HAMPDEN MA-
INCLUDING THE CITY OF SPRINGFIELD
407 AM EDT SUN MAY 17 2026
TODAY TONIGHT MON
CLOUD COVER MCLEAR MCLEAR PCLDY
PRECIP TYPE NONE NONE NONE
CHANCE PRECIP (%)
CHANCE OF THUNDER (%) 0 0 0
TEMP (24H TREND) 87 (+9) 56 (+1) 84
RH % (24H TREND) 32 (-1) 81 (-19) 38
20FT WND AM(MPH) W 5 G17 LGT/VAR
20FT WND PM(MPH) W 9 G22 LGT/VAR S 7
PRECIP AMOUNT 0.00 0.00 0.00
PRECIP DURATION
PRECIP BEGIN
PRECIP END
MIXING HGT (FT-AGL) 6860 400 3850
TRANSPORT WND (KTS) W 18 NE 7 S 12
VENT RATE (KT-FT) 123480 2800 46200
MAX ADI EARLY 60 GEN GOOD 73 GOOD 38 FAIR
MAX ADI LATE 96 GOOD 8 POOR 62 GOOD
MAX LVORI EARLY 1 4 1
MAX LVORI LATE 1 4 1
MIN VSBY EARLY 9 9 8
MIN VSBY LATE 9 7 9
SUNSHINE HOURS N/A N/A N/A
CWR 0 0 0
REMARKS...NONE.
FORECAST FOR DAYS 3 THROUGH 7
MONDAY NIGHT
MOSTLY CLEAR. LOWS IN THE LOWER 60S. SOUTH WINDS
5 TO 10 MPH.
TUESDAY
SUNNY. HIGHS IN THE MID 90S. SOUTHWEST WINDS 5 TO
10 MPH.
TUESDAY NIGHT
PARTLY CLOUDY. LOWS AROUND 70. SOUTHWEST WINDS
5 TO 10 MPH.
WEDNESDAY
SHOWERS AND A CHANCE OF THUNDERSTORMS. HIGHS IN THE
LOWER 90S. SOUTHWEST WINDS 10 TO 15 MPH.
WEDNESDAY NIGHT
MOSTLY CLOUDY WITH SHOWERS LIKELY AND A CHANCE
OF THUNDERSTORMS. COOLER. LOWS IN THE LOWER 50S. NORTHWEST WINDS
10 TO 15 MPH.
THURSDAY THROUGH FRIDAY
PARTLY CLOUDY. NOT AS WARM. LOWS IN
THE UPPER 40S. HIGHS AROUND 70. SOUTHEAST WINDS 5 TO 10 MPH.
FRIDAY NIGHT AND SATURDAY
MOSTLY CLOUDY. LOWS IN THE UPPER
40S. HIGHS IN THE UPPER 60S. SOUTHEAST WINDS AROUND 5 MPH.
CTZ002-172000-
HARTFORD CT-
INCLUDING THE CITIES OF HARTFORD AND WINDSOR LOCKS
407 AM EDT SUN MAY 17 2026
TODAY TONIGHT MON
CLOUD COVER MCLEAR MCLEAR PCLDY
PRECIP TYPE NONE NONE NONE
CHANCE PRECIP (%)
CHANCE OF THUNDER (%) 0 0 0
TEMP (24H TREND) 87 (+9) 57 (+1) 83
RH % (24H TREND) 32 (-3) 81 (-19) 38
20FT WND AM(MPH) LGT/VAR LGT/VAR
20FT WND PM(MPH) W 8 G21 LGT/VAR S 7
PRECIP AMOUNT 0.00 0.00 0.00
PRECIP DURATION
PRECIP BEGIN
PRECIP END
MIXING HGT (FT-AGL) 6830 380 3460
TRANSPORT WND (KTS) W 17 NW 5 S 12
VENT RATE (KT-FT) 116110 1900 41520
MAX ADI EARLY 55 GEN GOOD 66 GOOD 38 FAIR
MAX ADI LATE 105 VERY GOOD8 POOR 51 GEN GOOD
MAX LVORI EARLY 1 4 1
MAX LVORI LATE 1 4 1
MIN VSBY EARLY 9 9 8
MIN VSBY LATE 9 8 9
SUNSHINE HOURS N/A N/A N/A
CWR 0 0 0
REMARKS...NONE.
FORECAST FOR DAYS 3 THROUGH 7
MONDAY NIGHT
MOSTLY CLEAR. LOWS IN THE LOWER 60S. SOUTH WINDS
5 TO 10 MPH.
TUESDAY
SUNNY. HIGHS IN THE LOWER 90S. SOUTHWEST WINDS 5 TO
10 MPH.
TUESDAY NIGHT
PARTLY CLOUDY. LOWS AROUND 70. SOUTHWEST WINDS
5 TO 10 MPH.
WEDNESDAY
SHOWERS AND A CHANCE OF THUNDERSTORMS. HIGHS IN THE
LOWER 90S. SOUTHWEST WINDS 10 TO 15 MPH.
WEDNESDAY NIGHT
MOSTLY CLOUDY WITH SHOWERS LIKELY AND A CHANCE
OF THUNDERSTORMS. COOLER. LOWS IN THE LOWER 50S. NORTHWEST WINDS
10 TO 15 MPH.
THURSDAY THROUGH FRIDAY
PARTLY CLOUDY. NOT AS WARM. LOWS IN
THE LOWER 50S. HIGHS AROUND 70. SOUTHEAST WINDS 5 TO 10 MPH.
FRIDAY NIGHT AND SATURDAY
MOSTLY CLOUDY. LOWS IN THE UPPER
40S. HIGHS IN THE UPPER 60S. SOUTHEAST WINDS AROUND 5 MPH.
CTZ003-172000-
TOLLAND CT-
INCLUDING THE CITIES OF UNION AND VERNON
407 AM EDT SUN MAY 17 2026
TODAY TONIGHT MON
CLOUD COVER MCLEAR MCLEAR PCLDY
PRECIP TYPE NONE NONE NONE
CHANCE PRECIP (%)
CHANCE OF THUNDER (%) 0 0 0
TEMP (24H TREND) 86 (+10) 57 (+2) 82
RH % (24H TREND) 36 (-3) 78 (-22) 43
20FT WND AM(MPH) LGT/VAR LGT/VAR
20FT WND PM(MPH) W 8 G22 LGT/VAR S 7
PRECIP AMOUNT 0.00 0.00 0.00
PRECIP DURATION
PRECIP BEGIN
PRECIP END
MIXING HGT (FT-AGL) 5900 400 3240
TRANSPORT WND (KTS) W 16 NW 6 S 11
VENT RATE (KT-FT) 94400 2400 35640
MAX ADI EARLY 47 GEN GOOD 65 GOOD 42 GEN GOOD
MAX ADI LATE 104 VERY GOOD10 POOR 48 GEN GOOD
MAX LVORI EARLY 1 3 1
MAX LVORI LATE 1 3 1
MIN VSBY EARLY 9 9 9
MIN VSBY LATE 9 9 9
SUNSHINE HOURS N/A N/A N/A
CWR 0 0 0
REMARKS...NONE.
FORECAST FOR DAYS 3 THROUGH 7
MONDAY NIGHT
MOSTLY CLEAR. LOWS IN THE LOWER 60S. SOUTH WINDS
5 TO 10 MPH.
TUESDAY
SUNNY. HIGHS IN THE LOWER 90S. SOUTHWEST WINDS 5 TO
10 MPH.
TUESDAY NIGHT
PARTLY CLOUDY. LOWS IN THE UPPER 60S. SOUTHWEST
WINDS 5 TO 10 MPH.
WEDNESDAY
SHOWERS AND A CHANCE OF THUNDERSTORMS. HIGHS IN THE
LOWER 90S. SOUTHWEST WINDS 10 TO 15 MPH.
WEDNESDAY NIGHT
MOSTLY CLOUDY WITH SHOWERS LIKELY AND A CHANCE
OF THUNDERSTORMS. COOLER. LOWS IN THE LOWER 50S. NORTHWEST WINDS
5 TO 10 MPH.
THURSDAY THROUGH FRIDAY
PARTLY CLOUDY. COOLER. LOWS AROUND 50.
HIGHS IN THE UPPER 60S. SOUTHEAST WINDS 5 TO 10 MPH.
FRIDAY NIGHT AND SATURDAY
MOSTLY CLOUDY. LOWS IN THE UPPER
40S. HIGHS IN THE UPPER 60S. SOUTHEAST WINDS AROUND 5 MPH.
CTZ004-172000-
WINDHAM CT-
INCLUDING THE CITIES OF PUTNAM AND WILLIMANTIC
407 AM EDT SUN MAY 17 2026
TODAY TONIGHT MON
CLOUD COVER MCLEAR MCLEAR PCLDY
PRECIP TYPE NONE NONE NONE
CHANCE PRECIP (%)
CHANCE OF THUNDER (%) 0 0 0
TEMP (24H TREND) 85 (+9) 57 (+4) 80
RH % (24H TREND) 35 (-5) 75 (-25) 42
20FT WND AM(MPH) W 5 LGT/VAR
20FT WND PM(MPH) W 7 G21 LGT/VAR S 6
PRECIP AMOUNT 0.00 0.00 0.00
PRECIP DURATION
PRECIP BEGIN
PRECIP END
MIXING HGT (FT-AGL) 6200 390 3250
TRANSPORT WND (KTS) W 17 NW 6 S 11
VENT RATE (KT-FT) 105400 2340 35750
MAX ADI EARLY 47 GEN GOOD 59 GEN GOOD 40 FAIR
MAX ADI LATE 105 VERY GOOD10 POOR 46 GEN GOOD
MAX LVORI EARLY 1 3 1
MAX LVORI LATE 1 3 1
MIN VSBY EARLY 9 9 9
MIN VSBY LATE 9 9 9
SUNSHINE HOURS N/A N/A N/A
CWR 0 0 0
REMARKS...NONE.
FORECAST FOR DAYS 3 THROUGH 7
MONDAY NIGHT
MOSTLY CLEAR. LOWS IN THE UPPER 50S. SOUTH WINDS
5 TO 10 MPH.
TUESDAY
SUNNY. HIGHS AROUND 90. SOUTHWEST WINDS 5 TO 10 MPH.
TUESDAY NIGHT
PARTLY CLOUDY. LOWS IN THE UPPER 60S. SOUTHWEST
WINDS 5 TO 10 MPH.
WEDNESDAY
MOSTLY SUNNY WITH SHOWERS LIKELY AND A CHANCE OF
THUNDERSTORMS. HIGHS IN THE LOWER 90S. SOUTHWEST WINDS 5 TO
10 MPH.
WEDNESDAY NIGHT
MOSTLY CLOUDY WITH SHOWERS LIKELY AND A CHANCE
OF THUNDERSTORMS. COOLER. LOWS IN THE LOWER 50S. NORTHWEST WINDS
5 TO 10 MPH.
THURSDAY THROUGH FRIDAY
PARTLY CLOUDY. NOT AS WARM. LOWS 48 TO
53. HIGHS AROUND 70. SOUTHEAST WINDS 5 TO 10 MPH.
FRIDAY NIGHT AND SATURDAY
MOSTLY CLOUDY. LOWS IN THE UPPER
40S. HIGHS IN THE UPPER 60S. SOUTHEAST WINDS AROUND 5 MPH.
RIZ001-172000-
NORTHWEST PROVIDENCE RI-
INCLUDING THE CITIES OF FOSTER AND SMITHFIELD
407 AM EDT SUN MAY 17 2026
TODAY TONIGHT MON
CLOUD COVER MCLEAR MCLEAR PCLDY
PRECIP TYPE NONE NONE NONE
CHANCE PRECIP (%)
CHANCE OF THUNDER (%) 0 0 0
TEMP (24H TREND) 85 (+9) 56 (+2) 78
RH % (24H TREND) 36 (-7) 75 (-25) 43
20FT WND AM(MPH) W 5 LGT/VAR
20FT WND PM(MPH) W 8 G21 LGT/VAR SE 6
PRECIP AMOUNT 0.00 0.00 0.00
PRECIP DURATION
PRECIP BEGIN
PRECIP END
MIXING HGT (FT-AGL) 6610 410 3310
TRANSPORT WND (KTS) W 18 NW 7 S 11
VENT RATE (KT-FT) 118980 2870 36410
MAX ADI EARLY 55 GEN GOOD 78 GOOD 33 FAIR
MAX ADI LATE 105 VERY GOOD10 POOR 52 GEN GOOD
MAX LVORI EARLY 1 3 1
MAX LVORI LATE 1 3 1
MIN VSBY EARLY 9 9 9
MIN VSBY LATE 9 9 9
SUNSHINE HOURS N/A N/A N/A
CWR 0 0 0
REMARKS...NONE.
FORECAST FOR DAYS 3 THROUGH 7
MONDAY NIGHT
MOSTLY CLEAR. LOWS IN THE UPPER 50S. SOUTH WINDS
AROUND 5 MPH.
TUESDAY
SUNNY. HIGHS AROUND 90. SOUTHWEST WINDS 5 TO 10 MPH.
TUESDAY NIGHT
PARTLY CLOUDY. LOWS IN THE MID 60S. SOUTHWEST
WINDS 5 TO 10 MPH.
WEDNESDAY
MOSTLY SUNNY WITH SHOWERS LIKELY. HIGHS IN THE LOWER
90S. SOUTHWEST WINDS 5 TO 10 MPH.
WEDNESDAY NIGHT
MOSTLY CLOUDY WITH SHOWERS LIKELY. COOLER.
LOWS IN THE MID 50S. WEST WINDS 5 TO 10 MPH.
THURSDAY THROUGH FRIDAY
PARTLY CLOUDY. COOLER. LOWS 48 TO 54.
HIGHS IN THE UPPER 60S. SOUTHEAST WINDS AROUND 5 MPH.
FRIDAY NIGHT AND SATURDAY
MOSTLY CLOUDY. LOWS IN THE UPPER
40S. HIGHS IN THE UPPER 60S. SOUTHEAST WINDS AROUND 5 MPH.
RIZ002-172000-
SOUTHEAST PROVIDENCE RI-
INCLUDING THE CITY OF PROVIDENCE
407 AM EDT SUN MAY 17 2026
TODAY TONIGHT MON
CLOUD COVER MCLEAR MCLEAR PCLDY
PRECIP TYPE NONE NONE NONE
CHANCE PRECIP (%)
CHANCE OF THUNDER (%) 0 0 0
TEMP (24H TREND) 86 (+10) 56 (+2) 77
RH % (24H TREND) 36 (-7) 78 (-18) 45
20FT WND AM(MPH) LGT/VAR LGT/VAR
20FT WND PM(MPH) W 8 G20 LGT/VAR SE 7
PRECIP AMOUNT 0.00 0.00 0.00
PRECIP DURATION
PRECIP BEGIN
PRECIP END
MIXING HGT (FT-AGL) 6710 440 3180
TRANSPORT WND (KTS) W 18 N 8 SE 12
VENT RATE (KT-FT) 120780 3520 38160
MAX ADI EARLY 54 GEN GOOD 86 GOOD 33 FAIR
MAX ADI LATE 105 VERY GOOD9 POOR 50 GEN GOOD
MAX LVORI EARLY 1 3 1
MAX LVORI LATE 1 3 1
MIN VSBY EARLY 9 9 9
MIN VSBY LATE 9 9 9
SUNSHINE HOURS N/A N/A N/A
CWR 0 0 0
REMARKS...NONE.
FORECAST FOR DAYS 3 THROUGH 7
MONDAY NIGHT
MOSTLY CLEAR. LOWS IN THE UPPER 50S. SOUTH WINDS
5 TO 10 MPH.
TUESDAY
SUNNY. HIGHS IN THE UPPER 80S. SOUTHWEST WINDS 5 TO
10 MPH.
TUESDAY NIGHT
PARTLY CLOUDY. LOWS IN THE MID 60S. SOUTHWEST
WINDS 5 TO 10 MPH.
WEDNESDAY
MOSTLY SUNNY WITH SHOWERS LIKELY. HIGHS AROUND 90.
SOUTHWEST WINDS 10 TO 15 MPH.
WEDNESDAY NIGHT
MOSTLY CLOUDY WITH SHOWERS LIKELY. COOLER.
LOWS IN THE MID 50S. WEST WINDS 5 TO 10 MPH.
THURSDAY THROUGH FRIDAY
PARTLY CLOUDY. COOLER. LOWS 49 TO 55.
HIGHS IN THE UPPER 60S. SOUTHEAST WINDS 5 TO 10 MPH.
FRIDAY NIGHT AND SATURDAY
MOSTLY CLOUDY. LOWS IN THE UPPER
40S. HIGHS IN THE UPPER 60S. SOUTHEAST WINDS AROUND 5 MPH.
RIZ003-172000-
WESTERN KENT RI-
INCLUDING THE CITIES OF COVENTRY AND WEST GREENWICH
407 AM EDT SUN MAY 17 2026
TODAY TONIGHT MON
CLOUD COVER MCLEAR MCLEAR PCLDY
PRECIP TYPE NONE NONE NONE
CHANCE PRECIP (%)
CHANCE OF THUNDER (%) 0 0 0
TEMP (24H TREND) 84 (+9) 58 (+5) 75
RH % (24H TREND) 37 (-7) 75 (-25) 46
20FT WND AM(MPH) W 5 LGT/VAR
20FT WND PM(MPH) W 8 G20 LGT/VAR SE 7
PRECIP AMOUNT 0.00 0.00 0.00
PRECIP DURATION
PRECIP BEGIN
PRECIP END
MIXING HGT (FT-AGL) 6260 410 2800
TRANSPORT WND (KTS) W 17 NW 7 SE 11
VENT RATE (KT-FT) 106420 2870 30800
MAX ADI EARLY 46 GEN GOOD 47 GEN GOOD 36 FAIR
MAX ADI LATE 105 VERY GOOD11 POOR 42 GEN GOOD
MAX LVORI EARLY 1 3 2
MAX LVORI LATE 1 3 2
MIN VSBY EARLY 9 9 9
MIN VSBY LATE 9 9 9
SUNSHINE HOURS N/A N/A N/A
CWR 0 0 0
REMARKS...NONE.
FORECAST FOR DAYS 3 THROUGH 7
MONDAY NIGHT
MOSTLY CLEAR. LOWS IN THE UPPER 50S. SOUTH WINDS
AROUND 5 MPH.
TUESDAY
SUNNY. HIGHS IN THE MID 80S. SOUTHWEST WINDS 5 TO
10 MPH.
TUESDAY NIGHT
PARTLY CLOUDY. LOWS IN THE MID 60S. SOUTHWEST
WINDS 5 TO 10 MPH.
WEDNESDAY
MOSTLY SUNNY WITH SHOWERS LIKELY. HIGHS IN THE UPPER
80S. SOUTHWEST WINDS 5 TO 10 MPH.
WEDNESDAY NIGHT
MOSTLY CLOUDY WITH A CHANCE OF SHOWERS.
COOLER. LOWS IN THE MID 50S. WEST WINDS 5 TO 10 MPH.
THURSDAY THROUGH FRIDAY
PARTLY CLOUDY. COOLER. LOWS 49 TO 55.
HIGHS IN THE UPPER 60S. SOUTHEAST WINDS AROUND 5 MPH.
FRIDAY NIGHT AND SATURDAY
MOSTLY CLOUDY. LOWS IN THE UPPER
40S. HIGHS IN THE MID 60S. SOUTHEAST WINDS AROUND 5 MPH.
RIZ004-172000-
EASTERN KENT RI-
INCLUDING THE CITIES OF EAST GREENWICH, WARWICK, AND WEST WARWICK
407 AM EDT SUN MAY 17 2026
TODAY TONIGHT MON
CLOUD COVER MCLEAR MCLEAR PCLDY
PRECIP TYPE NONE NONE NONE
CHANCE PRECIP (%)
CHANCE OF THUNDER (%) 0 0 0
TEMP (24H TREND) 86 (+12) 57 (+3) 74
RH % (24H TREND) 36 (-7) 80 (-16) 44
20FT WND AM(MPH) LGT/VAR LGT/VAR
20FT WND PM(MPH) W 8 G20 W 5 G17 SE 7
PRECIP AMOUNT 0.00 0.00 0.00
PRECIP DURATION
PRECIP BEGIN
PRECIP END
MIXING HGT (FT-AGL) 6220 430 2760
TRANSPORT WND (KTS) W 16 N 7 SE 11
VENT RATE (KT-FT) 99520 3010 30360
MAX ADI EARLY 46 GEN GOOD 47 GEN GOOD 31 FAIR
MAX ADI LATE 99 GOOD 10 POOR 44 GEN GOOD
MAX LVORI EARLY 1 4 2
MAX LVORI LATE 1 4 2
MIN VSBY EARLY 9 9 9
MIN VSBY LATE 9 9 9
SUNSHINE HOURS N/A N/A N/A
CWR 0 0 0
REMARKS...NONE.
FORECAST FOR DAYS 3 THROUGH 7
MONDAY NIGHT
MOSTLY CLEAR. LOWS IN THE UPPER 50S. SOUTH WINDS
5 TO 10 MPH.
TUESDAY
SUNNY. HIGHS IN THE MID 80S. SOUTHWEST WINDS 10 TO
15 MPH.
TUESDAY NIGHT
PARTLY CLOUDY. LOWS IN THE MID 60S. SOUTHWEST
WINDS 10 TO 15 MPH.
WEDNESDAY
MOSTLY SUNNY WITH A CHANCE OF SHOWERS. HIGHS IN THE
UPPER 80S. SOUTHWEST WINDS 10 TO 15 MPH.
WEDNESDAY NIGHT
MOSTLY CLOUDY WITH A CHANCE OF SHOWERS. LOWS
IN THE MID 50S. WEST WINDS 5 TO 10 MPH.
THURSDAY AND THURSDAY NIGHT
PARTLY CLOUDY. NOT AS WARM. LOWS
50 TO 55. HIGHS IN THE LOWER 70S. NORTH WINDS 5 TO 10 MPH.
FRIDAY
MOSTLY SUNNY. HIGHS IN THE MID 60S. NORTHEAST WINDS
AROUND 5 MPH, BECOMING SOUTHEAST AROUND 5 MPH IN THE AFTERNOON.
FRIDAY NIGHT AND SATURDAY
MOSTLY CLOUDY. LOWS IN THE UPPER
40S. HIGHS IN THE MID 60S. SOUTHEAST WINDS AROUND 5 MPH.
RIZ005-172000-
BRISTOL RI-
INCLUDING THE CITY OF BRISTOL
407 AM EDT SUN MAY 17 2026
TODAY TONIGHT MON
CLOUD COVER MCLEAR MCLEAR PCLDY
PRECIP TYPE NONE NONE NONE
CHANCE PRECIP (%)
CHANCE OF THUNDER (%) 0 0 0
TEMP (24H TREND) 83 (+13) 56 (+2) 73
RH % (24H TREND) 41 (-8) 87 (-13) 48
20FT WND AM(MPH) SW 5 LGT/VAR
20FT WND PM(MPH) SW 9 G21 SW 5 G19 SE 8
PRECIP AMOUNT 0.00 0.00 0.00
PRECIP DURATION
PRECIP BEGIN
PRECIP END
MIXING HGT (FT-AGL) 5800 390 2770
TRANSPORT WND (KTS) W 15 W 7 SE 11
VENT RATE (KT-FT) 87000 2730 30470
MAX ADI EARLY 35 FAIR 22 FAIR 30 FAIR
MAX ADI LATE 73 GOOD 10 POOR 40 FAIR
MAX LVORI EARLY 1 4 2
MAX LVORI LATE 1 4 2
MIN VSBY EARLY 9 9 9
MIN VSBY LATE 9 9 9
SUNSHINE HOURS N/A N/A N/A
CWR 0 0 0
REMARKS...NONE.
FORECAST FOR DAYS 3 THROUGH 7
MONDAY NIGHT
MOSTLY CLEAR. LOWS IN THE MID 50S. SOUTH WINDS
5 TO 10 MPH.
TUESDAY
SUNNY. HIGHS IN THE LOWER 80S. SOUTHWEST WINDS 10 TO
15 MPH.
TUESDAY NIGHT
PARTLY CLOUDY. LOWS IN THE LOWER 60S. SOUTHWEST
WINDS 10 TO 15 MPH.
WEDNESDAY
MOSTLY SUNNY WITH A CHANCE OF SHOWERS. HIGHS IN THE
MID 80S. SOUTHWEST WINDS 10 TO 15 MPH.
WEDNESDAY NIGHT
MOSTLY CLOUDY WITH A CHANCE OF SHOWERS. LOWS
IN THE MID 50S. WEST WINDS 10 TO 15 MPH.
THURSDAY AND THURSDAY NIGHT
PARTLY CLOUDY. COOLER. LOWS 50 TO
55. HIGHS IN THE UPPER 60S. NORTH WINDS 5 TO 10 MPH.
FRIDAY THROUGH SATURDAY
MOSTLY CLOUDY. LOWS IN THE UPPER 40S.
HIGHS IN THE MID 60S. SOUTHEAST WINDS 5 TO 10 MPH.
RIZ006-172000-
WASHINGTON RI-
INCLUDING THE CITIES OF NARRAGANSETT AND WESTERLY
407 AM EDT SUN MAY 17 2026
TODAY TONIGHT MON
CLOUD COVER MCLEAR MCLEAR MCLEAR
PRECIP TYPE NONE NONE NONE
CHANCE PRECIP (%)
CHANCE OF THUNDER (%) 0 0 0
TEMP (24H TREND) 84 (+13) 55 (+2) 73
RH % (24H TREND) 40 (-6) 90 (-10) 46
20FT WND AM(MPH) LGT/VAR LGT/VAR
20FT WND PM(MPH) SW 8 G19 LGT/VAR SE 6
PRECIP AMOUNT 0.00 0.00 0.00
PRECIP DURATION
PRECIP BEGIN
PRECIP END
MIXING HGT (FT-AGL) 4840 380 2350
TRANSPORT WND (KTS) W 14 W 8 E 11
VENT RATE (KT-FT) 67760 3040 25850
MAX ADI EARLY 33 FAIR 18 GEN POOR 30 FAIR
MAX ADI LATE 56 GEN GOOD 11 POOR 32 FAIR
MAX LVORI EARLY 2 4 2
MAX LVORI LATE 2 4 2
MIN VSBY EARLY 9 8 9
MIN VSBY LATE 9 8 9
SUNSHINE HOURS N/A N/A N/A
CWR 0 0 0
REMARKS...NONE.
FORECAST FOR DAYS 3 THROUGH 7
MONDAY NIGHT
PARTLY CLOUDY. LOWS IN THE MID 50S. SOUTH WINDS
5 TO 10 MPH.
TUESDAY
SUNNY. HIGHS IN THE UPPER 70S. SOUTHWEST WINDS 10 TO
15 MPH.
TUESDAY NIGHT
PARTLY CLOUDY. LOWS IN THE LOWER 60S. SOUTHWEST
WINDS 10 TO 15 MPH.
WEDNESDAY
MOSTLY SUNNY WITH A CHANCE OF SHOWERS. HIGHS IN THE
LOWER 80S. SOUTHWEST WINDS 10 TO 15 MPH.
WEDNESDAY NIGHT
MOSTLY CLOUDY WITH A CHANCE OF SHOWERS. LOWS
IN THE MID 50S. WEST WINDS 10 TO 15 MPH.
THURSDAY AND THURSDAY NIGHT
PARTLY CLOUDY. NOT AS WARM. LOWS
49 TO 54. HIGHS AROUND 70. NORTH WINDS 5 TO 10 MPH.
FRIDAY
MOSTLY SUNNY. HIGHS IN THE MID 60S. NORTHEAST WINDS
AROUND 5 MPH, BECOMING SOUTHEAST IN THE AFTERNOON.
FRIDAY NIGHT AND SATURDAY
MOSTLY CLOUDY. LOWS IN THE UPPER
40S. HIGHS IN THE MID 60S. EAST WINDS 5 TO 10 MPH.
RIZ007-172000-
NEWPORT RI-
INCLUDING THE CITY OF NEWPORT
407 AM EDT SUN MAY 17 2026
TODAY TONIGHT MON
CLOUD COVER MCLEAR MCLEAR MCLEAR
PRECIP TYPE NONE NONE NONE
CHANCE PRECIP (%)
CHANCE OF THUNDER (%) 0 0 0
TEMP (24H TREND) 81 (+14) 56 (+3) 70
RH % (24H TREND) 44 (-9) 90 (-10) 47
20FT WND AM(MPH) SW 5 E 5
20FT WND PM(MPH) SW 9 G21 SW 6 G19 SE 7
PRECIP AMOUNT 0.00 0.00 0.00
PRECIP DURATION
PRECIP BEGIN
PRECIP END
MIXING HGT (FT-AGL) 2380 370 2020
TRANSPORT WND (KTS) SW 13 W 8 SE 10
VENT RATE (KT-FT) 30940 2960 20200
MAX ADI EARLY 12 POOR 16 GEN POOR 20 GEN POOR
MAX ADI LATE 21 FAIR 11 POOR 25 FAIR
MAX LVORI EARLY 2 5 2
MAX LVORI LATE 2 5 2
MIN VSBY EARLY 9 8 9
MIN VSBY LATE 9 8 9
SUNSHINE HOURS N/A N/A N/A
CWR 0 0 0
REMARKS...NONE.
FORECAST FOR DAYS 3 THROUGH 7
MONDAY NIGHT
PARTLY CLOUDY. LOWS IN THE MID 50S. SOUTH WINDS
5 TO 10 MPH.
TUESDAY
SUNNY. HIGHS IN THE MID 70S. SOUTHWEST WINDS 10 TO
15 MPH.
TUESDAY NIGHT
PARTLY CLOUDY. LOWS AROUND 60. SOUTHWEST WINDS
10 TO 15 MPH.
WEDNESDAY
MOSTLY SUNNY WITH A CHANCE OF SHOWERS. HIGHS IN THE
UPPER 70S. SOUTHWEST WINDS 15 TO 20 MPH.
WEDNESDAY NIGHT
MOSTLY CLOUDY WITH A CHANCE OF SHOWERS. LOWS
IN THE MID 50S. WEST WINDS 10 TO 15 MPH.
THURSDAY AND THURSDAY NIGHT
PARTLY CLOUDY. LOWS 50 TO 55.
HIGHS IN THE UPPER 60S. NORTH WINDS 5 TO 10 MPH.
FRIDAY
MOSTLY SUNNY. HIGHS IN THE LOWER 60S. NORTHEAST WINDS
5 TO 10 MPH, BECOMING SOUTHEAST IN THE AFTERNOON.
FRIDAY NIGHT AND SATURDAY
MOSTLY CLOUDY. LOWS IN THE UPPER
40S. HIGHS IN THE LOWER 60S. SOUTHEAST WINDS 5 TO 10 MPH.
RIZ008-172000-
BLOCK ISLAND RI-
INCLUDING THE CITY OF NEW SHOREHAM
407 AM EDT SUN MAY 17 2026
TODAY TONIGHT MON
CLOUD COVER MCLEAR MCLEAR PCLDY
PRECIP TYPE NONE NONE NONE
CHANCE PRECIP (%)
CHANCE OF THUNDER (%) 0 0 0
TEMP (24H TREND) 68 (+7) 53 (+1) 63
RH % (24H TREND) 68 (+3) 93 (-3) 70
20FT WND AM(MPH) SW 8 E 7
20FT WND PM(MPH) SW 11 G19 SW 9 G18 SE 7
PRECIP AMOUNT 0.00 0.00 0.00
PRECIP DURATION
PRECIP BEGIN
PRECIP END
MIXING HGT (FT-AGL) 440 300 570
TRANSPORT WND (KTS) W 12 W 10 E 14
VENT RATE (KT-FT) 5280 3000 7980
MAX ADI EARLY 17 GEN POOR 23 FAIR 19 GEN POOR
MAX ADI LATE 22 FAIR 17 GEN POOR 17 GEN POOR
MAX LVORI EARLY 4 6 4
MAX LVORI LATE 4 6 4
MIN VSBY EARLY 9 8 8
MIN VSBY LATE 9 8 9
SUNSHINE HOURS N/A N/A N/A
CWR 0 0 0
REMARKS...NONE.
FORECAST FOR DAYS 3 THROUGH 7
MONDAY NIGHT
PARTLY CLOUDY. LOWS IN THE MID 50S. SOUTH WINDS
5 TO 10 MPH.
TUESDAY AND TUESDAY NIGHT
PARTLY CLOUDY. LOWS IN THE MID 50S.
HIGHS IN THE UPPER 60S. SOUTHWEST WINDS 10 TO 15 MPH.
WEDNESDAY
MOSTLY SUNNY WITH A CHANCE OF SHOWERS. HIGHS IN THE
UPPER 60S. SOUTHWEST WINDS 10 TO 15 MPH.
WEDNESDAY NIGHT
MOSTLY CLOUDY WITH A CHANCE OF SHOWERS. LOWS
IN THE LOWER 50S. WEST WINDS 10 TO 15 MPH.
THURSDAY THROUGH FRIDAY NIGHT
MOSTLY CLOUDY. LOWS IN THE LOWER
50S. HIGHS IN THE LOWER 60S. EAST WINDS 5 TO 10 MPH.
SATURDAY
MOSTLY CLOUDY WITH A CHANCE OF SHOWERS. HIGHS IN THE
LOWER 60S. EAST WINDS 5 TO 10 MPH.
MAZ017-172000-
NORTHERN BRISTOL MA-
INCLUDING THE CITY OF TAUNTON
407 AM EDT SUN MAY 17 2026
TODAY TONIGHT MON
CLOUD COVER MCLEAR MCLEAR PCLDY
PRECIP TYPE NONE NONE NONE
CHANCE PRECIP (%)
CHANCE OF THUNDER (%) 0 0 0
TEMP (24H TREND) 85 (+9) 54 (+1) 76
RH % (24H TREND) 34 (-6) 75 (-25) 41
20FT WND AM(MPH) LGT/VAR LGT/VAR
20FT WND PM(MPH) W 8 G21 LGT/VAR SE 6
PRECIP AMOUNT 0.00 0.00 0.00
PRECIP DURATION
PRECIP BEGIN
PRECIP END
MIXING HGT (FT-AGL) 6650 430 3500
TRANSPORT WND (KTS) W 17 W 8 SE 10
VENT RATE (KT-FT) 113050 3440 35000
MAX ADI EARLY 59 GEN GOOD 81 GOOD 33 FAIR
MAX ADI LATE 105 VERY GOOD10 POOR 51 GEN GOOD
MAX LVORI EARLY 1 3 1
MAX LVORI LATE 1 3 1
MIN VSBY EARLY 9 9 9
MIN VSBY LATE 9 9 9
SUNSHINE HOURS N/A N/A N/A
CWR 0 0 0
REMARKS...NONE.
FORECAST FOR DAYS 3 THROUGH 7
MONDAY NIGHT
MOSTLY CLEAR. LOWS IN THE MID 50S. SOUTH WINDS
AROUND 5 MPH.
TUESDAY
SUNNY. HIGHS IN THE UPPER 80S. SOUTHWEST WINDS 5 TO
10 MPH.
TUESDAY NIGHT
PARTLY CLOUDY. LOWS IN THE MID 60S. SOUTHWEST
WINDS 5 TO 10 MPH.
WEDNESDAY
MOSTLY SUNNY WITH SHOWERS LIKELY. HIGHS AROUND 90.
SOUTHWEST WINDS 5 TO 10 MPH.
WEDNESDAY NIGHT
MOSTLY CLOUDY WITH SHOWERS LIKELY. COOLER.
LOWS IN THE MID 50S. WEST WINDS 5 TO 10 MPH.
THURSDAY THROUGH FRIDAY
PARTLY CLOUDY. COOLER. LOWS 48 TO 54.
HIGHS IN THE UPPER 60S. SOUTHEAST WINDS AROUND 5 MPH.
FRIDAY NIGHT AND SATURDAY
MOSTLY CLOUDY. LOWS IN THE MID 40S.
HIGHS IN THE MID 60S. SOUTHEAST WINDS AROUND 5 MPH.
MAZ018-172000-
WESTERN PLYMOUTH MA-
INCLUDING THE CITY OF BROCKTON
407 AM EDT SUN MAY 17 2026
TODAY TONIGHT MON
CLOUD COVER MCLEAR MCLEAR PCLDY
PRECIP TYPE NONE NONE NONE
CHANCE PRECIP (%)
CHANCE OF THUNDER (%) 0 0 0
TEMP (24H TREND) 84 (+9) 54 (+1) 75
RH % (24H TREND) 33 (-7) 75 (-25) 43
20FT WND AM(MPH) LGT/VAR LGT/VAR
20FT WND PM(MPH) W 8 G21 LGT/VAR SE 6
PRECIP AMOUNT 0.00 0.00 0.00
PRECIP DURATION
PRECIP BEGIN
PRECIP END
MIXING HGT (FT-AGL) 6990 420 3320
TRANSPORT WND (KTS) W 17 E 9 SE 10
VENT RATE (KT-FT) 118830 3780 33200
MAX ADI EARLY 61 GOOD 66 GOOD 29 FAIR
MAX ADI LATE 105 VERY GOOD10 POOR 46 GEN GOOD
MAX LVORI EARLY 1 3 1
MAX LVORI LATE 1 3 1
MIN VSBY EARLY 9 9 9
MIN VSBY LATE 9 9 9
SUNSHINE HOURS N/A N/A N/A
CWR 0 0 0
REMARKS...NONE.
FORECAST FOR DAYS 3 THROUGH 7
MONDAY NIGHT
MOSTLY CLEAR. LOWS IN THE MID 50S. SOUTH WINDS
AROUND 5 MPH.
TUESDAY
SUNNY. HIGHS IN THE MID 80S. SOUTHWEST WINDS 5 TO
10 MPH.
TUESDAY NIGHT
PARTLY CLOUDY. LOWS IN THE LOWER 60S. SOUTHWEST
WINDS 5 TO 10 MPH.
WEDNESDAY
MOSTLY SUNNY WITH SHOWERS LIKELY. HIGHS IN THE UPPER
80S. SOUTHWEST WINDS 5 TO 10 MPH.
WEDNESDAY NIGHT
MOSTLY CLOUDY WITH A CHANCE OF SHOWERS. LOWS
IN THE MID 50S. WEST WINDS 5 TO 10 MPH.
THURSDAY THROUGH FRIDAY
PARTLY CLOUDY. COOLER. LOWS 47 TO 54.
HIGHS IN THE UPPER 60S. SOUTHEAST WINDS AROUND 5 MPH.
FRIDAY NIGHT AND SATURDAY
MOSTLY CLOUDY. LOWS IN THE MID 40S.
HIGHS IN THE MID 60S. EAST WINDS AROUND 5 MPH.
MAZ019-172000-
EASTERN PLYMOUTH MA-
INCLUDING THE CITY OF PLYMOUTH
407 AM EDT SUN MAY 17 2026
TODAY TONIGHT MON
CLOUD COVER MCLEAR MCLEAR PCLDY
PRECIP TYPE NONE NONE NONE
CHANCE PRECIP (%)
CHANCE OF THUNDER (%) 0 0 0
TEMP (24H TREND) 84 (+11) 53 (-1) 71
RH % (24H TREND) 34 (-3) 83 (-17) 44
20FT WND AM(MPH) W 5 LGT/VAR
20FT WND PM(MPH) W 8 G19 W 5 G17 SE 6
PRECIP AMOUNT 0.00 0.00 0.00
PRECIP DURATION
PRECIP BEGIN
PRECIP END
MIXING HGT (FT-AGL) 4730 380 2180
TRANSPORT WND (KTS) W 13 NE 9 SE 10
VENT RATE (KT-FT) 61490 3420 21800
MAX ADI EARLY 28 FAIR 34 FAIR 17 GEN POOR
MAX ADI LATE 45 GEN GOOD 11 POOR 22 FAIR
MAX LVORI EARLY 1 4 2
MAX LVORI LATE 1 4 2
MIN VSBY EARLY 9 9 9
MIN VSBY LATE 9 9 9
SUNSHINE HOURS N/A N/A N/A
CWR 0 0 0
REMARKS...NONE.
FORECAST FOR DAYS 3 THROUGH 7
MONDAY NIGHT
MOSTLY CLEAR. LOWS IN THE UPPER 50S. SOUTH WINDS
5 TO 10 MPH.
TUESDAY
SUNNY. HIGHS IN THE MID 80S. SOUTHWEST WINDS 10 TO
15 MPH.
TUESDAY NIGHT
PARTLY CLOUDY. LOWS IN THE LOWER 60S. SOUTHWEST
WINDS 10 TO 15 MPH.
WEDNESDAY
MOSTLY SUNNY WITH SHOWERS LIKELY. HIGHS IN THE MID
80S. SOUTHWEST WINDS 10 TO 15 MPH.
WEDNESDAY NIGHT
MOSTLY CLOUDY WITH A CHANCE OF SHOWERS. LOWS
IN THE MID 50S. WEST WINDS 10 TO 15 MPH.
THURSDAY THROUGH FRIDAY
PARTLY CLOUDY. COOLER. LOWS 49 TO 54.
HIGHS IN THE MID 60S. EAST WINDS 5 TO 10 MPH.
FRIDAY NIGHT AND SATURDAY
MOSTLY CLOUDY. LOWS IN THE UPPER
40S. HIGHS IN THE LOWER 60S. EAST WINDS 5 TO 10 MPH.
MAZ020-172000-
SOUTHERN BRISTOL MA-
INCLUDING THE CITIES OF FALL RIVER AND NEW BEDFORD
407 AM EDT SUN MAY 17 2026
TODAY TONIGHT MON
CLOUD COVER MCLEAR MCLEAR PCLDY
PRECIP TYPE NONE NONE NONE
CHANCE PRECIP (%)
CHANCE OF THUNDER (%) 0 0 0
TEMP (24H TREND) 85 (+16) 55 (+2) 74
RH % (24H TREND) 38 (-9) 90 (-10) 46
20FT WND AM(MPH) W 5 LGT/VAR
20FT WND PM(MPH) SW 9 G20 SW 5 G18 SE 7
PRECIP AMOUNT 0.00 0.00 0.00
PRECIP DURATION
PRECIP BEGIN
PRECIP END
MIXING HGT (FT-AGL) 5750 390 2800
TRANSPORT WND (KTS) W 16 W 9 SE 10
VENT RATE (KT-FT) 92000 3510 28000
MAX ADI EARLY 37 FAIR 24 FAIR 28 FAIR
MAX ADI LATE 75 GOOD 11 POOR 37 FAIR
MAX LVORI EARLY 2 4 2
MAX LVORI LATE 2 4 2
MIN VSBY EARLY 9 9 9
MIN VSBY LATE 9 9 9
SUNSHINE HOURS N/A N/A N/A
CWR 0 0 0
REMARKS...NONE.
FORECAST FOR DAYS 3 THROUGH 7
MONDAY NIGHT
PARTLY CLOUDY. LOWS IN THE MID 50S. SOUTH WINDS
5 TO 10 MPH.
TUESDAY
SUNNY. HIGHS IN THE UPPER 70S. SOUTHWEST WINDS 10 TO
15 MPH.
TUESDAY NIGHT
PARTLY CLOUDY. LOWS AROUND 60. SOUTHWEST WINDS
10 TO 15 MPH.
WEDNESDAY
MOSTLY SUNNY WITH A CHANCE OF SHOWERS. HIGHS IN THE
LOWER 80S. SOUTHWEST WINDS 15 TO 20 MPH.
WEDNESDAY NIGHT
MOSTLY CLOUDY WITH A CHANCE OF SHOWERS. LOWS
IN THE MID 50S. WEST WINDS 10 TO 15 MPH.
THURSDAY AND THURSDAY NIGHT
PARTLY CLOUDY. NOT AS WARM. LOWS
49 TO 55. HIGHS AROUND 70. NORTH WINDS 5 TO 10 MPH.
FRIDAY
MOSTLY SUNNY. HIGHS IN THE MID 60S. NORTHEAST WINDS
AROUND 5 MPH, BECOMING SOUTHEAST IN THE AFTERNOON.
FRIDAY NIGHT AND SATURDAY
MOSTLY CLOUDY. LOWS IN THE UPPER
40S. HIGHS IN THE MID 60S. SOUTHEAST WINDS 5 TO 10 MPH.
MAZ021-172000-
SOUTHERN PLYMOUTH MA-
INCLUDING THE CITY OF MATTAPOISETT
407 AM EDT SUN MAY 17 2026
TODAY TONIGHT MON
CLOUD COVER MCLEAR MCLEAR PCLDY
PRECIP TYPE NONE NONE NONE
CHANCE PRECIP (%)
CHANCE OF THUNDER (%) 0 0 0
TEMP (24H TREND) 84 (+15) 55 (+2) 72
RH % (24H TREND) 37 (-12) 83 (-17) 46
20FT WND AM(MPH) LGT/VAR LGT/VAR
20FT WND PM(MPH) SW 10 G20 SW 5 G18 SE 6
PRECIP AMOUNT 0.00 0.00 0.00
PRECIP DURATION
PRECIP BEGIN
PRECIP END
MIXING HGT (FT-AGL) 5610 390 2830
TRANSPORT WND (KTS) W 15 SW 10 SE 9
VENT RATE (KT-FT) 84150 3900 25470
MAX ADI EARLY 35 FAIR 26 FAIR 26 FAIR
MAX ADI LATE 90 GOOD 11 POOR 38 FAIR
MAX LVORI EARLY 1 4 2
MAX LVORI LATE 1 4 2
MIN VSBY EARLY 9 9 9
MIN VSBY LATE 9 9 9
SUNSHINE HOURS N/A N/A N/A
CWR 0 0 0
REMARKS...NONE.
FORECAST FOR DAYS 3 THROUGH 7
MONDAY NIGHT
PARTLY CLOUDY. LOWS IN THE MID 50S. SOUTH WINDS
5 TO 10 MPH.
TUESDAY
SUNNY. HIGHS IN THE UPPER 70S. SOUTHWEST WINDS 10 TO
15 MPH.
TUESDAY NIGHT
PARTLY CLOUDY. LOWS AROUND 60. SOUTHWEST WINDS
10 TO 15 MPH.
WEDNESDAY
MOSTLY SUNNY WITH A CHANCE OF SHOWERS. HIGHS AROUND
80. SOUTHWEST WINDS 10 TO 15 MPH.
WEDNESDAY NIGHT
MOSTLY CLOUDY WITH A CHANCE OF SHOWERS. LOWS
IN THE MID 50S. WEST WINDS 10 TO 15 MPH.
THURSDAY AND THURSDAY NIGHT
PARTLY CLOUDY. COOLER. LOWS 49 TO
55. HIGHS IN THE UPPER 60S. NORTH WINDS AROUND 5 MPH.
FRIDAY
MOSTLY SUNNY. HIGHS IN THE MID 60S. NORTHEAST WINDS
AROUND 5 MPH, BECOMING SOUTHEAST AROUND 5 MPH IN THE AFTERNOON.
FRIDAY NIGHT AND SATURDAY
MOSTLY CLOUDY. LOWS IN THE UPPER
40S. HIGHS IN THE MID 60S. SOUTHEAST WINDS AROUND 5 MPH.
MAZ022-172000-
BARNSTABLE MA-
INCLUDING THE CITIES OF CHATHAM, FALMOUTH, AND PROVINCETOWN
407 AM EDT SUN MAY 17 2026
TODAY TONIGHT MON
CLOUD COVER MCLEAR MCLEAR PCLDY
PRECIP TYPE NONE NONE NONE
CHANCE PRECIP (%)
CHANCE OF THUNDER (%) 0 0 0
TEMP (24H TREND) 77 (+10) 53 (0) 67
RH % (24H TREND) 50 (-6) 86 (-14) 51
20FT WND AM(MPH) SW 6 G17 LGT/VAR
20FT WND PM(MPH) SW 9 G20 W 6 G19 SE 6
PRECIP AMOUNT 0.00 0.00 0.00
PRECIP DURATION
PRECIP BEGIN
PRECIP END
MIXING HGT (FT-AGL) 1610 370 1670
TRANSPORT WND (KTS) SW 11 W 13 E 10
VENT RATE (KT-FT) 17710 4810 16700
MAX ADI EARLY 18 GEN POOR 18 GEN POOR 14 GEN POOR
MAX ADI LATE 20 GEN POOR 12 POOR 18 GEN POOR
MAX LVORI EARLY 2 4 2
MAX LVORI LATE 2 4 2
MIN VSBY EARLY 9 8 9
MIN VSBY LATE 9 8 9
SUNSHINE HOURS N/A N/A N/A
CWR 0 0 0
REMARKS...NONE.
FORECAST FOR DAYS 3 THROUGH 7
MONDAY NIGHT
PARTLY CLOUDY. LOWS IN THE MID 50S. SOUTH WINDS
10 TO 15 MPH.
TUESDAY
SUNNY. HIGHS IN THE MID 70S. SOUTHWEST WINDS 10 TO
15 MPH.
TUESDAY NIGHT AND WEDNESDAY
PARTLY CLOUDY. LOWS IN THE UPPER
50S. HIGHS IN THE MID 70S. SOUTHWEST WINDS 15 TO 20 MPH.
WEDNESDAY NIGHT
MOSTLY CLOUDY WITH A CHANCE OF SHOWERS. LOWS
IN THE MID 50S. WEST WINDS 10 TO 15 MPH.
THURSDAY
MOSTLY SUNNY. HIGHS IN THE MID 60S. NORTH WINDS 10 TO
15 MPH, BECOMING NORTHEAST 5 TO 10 MPH IN THE AFTERNOON.
THURSDAY NIGHT
MOSTLY CLOUDY. LOWS IN THE LOWER 50S. SOUTH
WINDS AROUND 5 MPH, BECOMING NORTH AFTER MIDNIGHT.
FRIDAY
MOSTLY SUNNY. HIGHS IN THE LOWER 60S. EAST WINDS 5 TO
10 MPH.
FRIDAY NIGHT AND SATURDAY
MOSTLY CLOUDY. LOWS AROUND 50. HIGHS
IN THE LOWER 60S. EAST WINDS 5 TO 10 MPH.
MAZ023-172000-
DUKES MA-
INCLUDING THE CITY OF VINEYARD HAVEN
407 AM EDT SUN MAY 17 2026
TODAY TONIGHT MON
CLOUD COVER MCLEAR MCLEAR PCLDY
PRECIP TYPE NONE NONE NONE
CHANCE PRECIP (%)
CHANCE OF THUNDER (%) 0 0 0
TEMP (24H TREND) 73 (+10) 54 (+2) 67
RH % (24H TREND) 57 (-3) 90 (-10) 57
20FT WND AM(MPH) SW 9 E 6
20FT WND PM(MPH) SW 11 G21 SW 8 G19 SE 7
PRECIP AMOUNT 0.00 0.00 0.00
PRECIP DURATION
PRECIP BEGIN
PRECIP END
MIXING HGT (FT-AGL) 670 350 1080
TRANSPORT WND (KTS) W 12 W 14 E 11
VENT RATE (KT-FT) 8040 4900 11880
MAX ADI EARLY 17 GEN POOR 21 FAIR 17 GEN POOR
MAX ADI LATE 23 FAIR 16 GEN POOR 16 GEN POOR
MAX LVORI EARLY 3 5 3
MAX LVORI LATE 3 5 3
MIN VSBY EARLY 9 8 9
MIN VSBY LATE 9 8 9
SUNSHINE HOURS N/A N/A N/A
CWR 0 0 0
REMARKS...NONE.
FORECAST FOR DAYS 3 THROUGH 7
MONDAY NIGHT
PARTLY CLOUDY. LOWS IN THE MID 50S. SOUTHWEST
WINDS 10 TO 15 MPH.
TUESDAY
SUNNY. HIGHS IN THE LOWER 70S. SOUTHWEST WINDS 15 TO
20 MPH.
TUESDAY NIGHT
PARTLY CLOUDY. LOWS IN THE UPPER 50S. SOUTHWEST
WINDS 15 TO 20 MPH.
WEDNESDAY
SUNNY. HIGHS AROUND 70. SOUTHWEST WINDS 15 TO
20 MPH.
WEDNESDAY NIGHT
MOSTLY CLOUDY WITH A CHANCE OF SHOWERS. LOWS
IN THE MID 50S. WEST WINDS 15 TO 20 MPH.
THURSDAY
MOSTLY SUNNY. HIGHS IN THE UPPER 60S. NORTH WINDS
5 TO 10 MPH, BECOMING EAST IN THE AFTERNOON.
THURSDAY NIGHT
MOSTLY CLOUDY. LOWS AROUND 50. SOUTHEAST WINDS
5 TO 10 MPH, BECOMING NORTH AFTER MIDNIGHT.
FRIDAY
MOSTLY SUNNY. HIGHS IN THE LOWER 60S. EAST WINDS 5 TO
10 MPH.
FRIDAY NIGHT
MOSTLY CLOUDY. LOWS AROUND 50. SOUTHEAST WINDS
5 TO 10 MPH.
SATURDAY
MOSTLY CLOUDY WITH A CHANCE OF SHOWERS. HIGHS IN THE
LOWER 60S. EAST WINDS 5 TO 10 MPH.
MAZ024-172000-
NANTUCKET MA-
INCLUDING THE CITY OF NANTUCKET
407 AM EDT SUN MAY 17 2026
TODAY TONIGHT MON
CLOUD COVER MCLEAR MCLEAR PCLDY
PRECIP TYPE NONE NONE NONE
CHANCE PRECIP (%) 10
CHANCE OF THUNDER (%) 0 0 0
TEMP (24H TREND) 68 (+7) 54 (+1) 63
RH % (24H TREND) 72 (0) 87 (-13) 67
20FT WND AM(MPH) SW 10 G19 E 6
20FT WND PM(MPH) SW 11 G19 W 9 G18 SE 7
PRECIP AMOUNT 0.00 0.00 0.00
PRECIP DURATION
PRECIP BEGIN
PRECIP END
MIXING HGT (FT-AGL) 700 340 600
TRANSPORT WND (KTS) SW 19 W 17 E 15
VENT RATE (KT-FT) 13300 5780 9000
MAX ADI EARLY 19 GEN POOR 23 FAIR 19 GEN POOR
MAX ADI LATE 23 FAIR 17 GEN POOR 17 GEN POOR
MAX LVORI EARLY 4 5 3
MAX LVORI LATE 4 5 3
MIN VSBY EARLY 9 6 FOG 8
MIN VSBY LATE 9 7 9
SUNSHINE HOURS N/A N/A N/A
CWR 0 0 0
REMARKS...NONE.
FORECAST FOR DAYS 3 THROUGH 7
MONDAY NIGHT
PARTLY CLOUDY. LOWS IN THE MID 50S. SOUTHWEST
WINDS 10 TO 15 MPH.
TUESDAY
SUNNY. HIGHS IN THE UPPER 60S. SOUTHWEST WINDS 10 TO
15 MPH.
TUESDAY NIGHT
PARTLY CLOUDY. LOWS IN THE UPPER 50S. SOUTHWEST
WINDS 15 TO 20 MPH.
WEDNESDAY
SUNNY. HIGHS IN THE UPPER 60S. SOUTHWEST WINDS 15 TO
20 MPH.
WEDNESDAY NIGHT
MOSTLY CLOUDY WITH A CHANCE OF SHOWERS. LOWS
IN THE MID 50S. WEST WINDS 15 TO 20 MPH.
THURSDAY AND THURSDAY NIGHT
MOSTLY CLOUDY. LOWS IN THE LOWER
50S. HIGHS IN THE MID 60S. NORTH WINDS 5 TO 10 MPH.
FRIDAY
MOSTLY SUNNY. HIGHS AROUND 60. NORTHEAST WINDS 5 TO
10 MPH.
FRIDAY NIGHT AND SATURDAY
MOSTLY CLOUDY WITH A CHANCE OF
SHOWERS. LOWS IN THE LOWER 50S. HIGHS IN THE LOWER 60S. EAST
WINDS 5 TO 10 MPH.
OUTLOOK 8 TO 14 DAYS
TEMPERATURES ABOVE NORMAL. PRECIPITATION NEAR NORMAL.
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