351
FNUS51 KBOX 210808
FWFBOX
FIRE WEATHER PLANNING FORECAST FOR SOUTHERN NEW ENGLAND
NATIONAL WEATHER SERVICE BOSTON/NORTON MA
407 AM EDT MON SEP 21 2026
DISCUSSION
CLOUDY AND WET THROUGH THE AFTERNOON TODAY ACROSS MUCH OF THE
REGION, CLEARING OUT HEADING INTO MONDAY MORNING. WINDS PICK UP
FROM THE NE TOMORROW WITH GUSTS TO 20-25 MPH POSSIBLE TOWARDS THE
CAPE AND ISLANDS.
MINIMUM RELATIVE HUMIDITY VALUES TOMORROW RANGE BETWEEN 50 AND
70 PERCENT, WITH HIGHER VALUES TOWARDS THE CAPE AND ISLANDS.
OUTLOOK...TUESDAY THROUGH SATURDAY
CHANCES FOR SOME SHOWERS RETURN TUESDAY AND COOLER THAN NORMAL
TEMPERATURES CONTINUE THROUGH THE REST OF THE WEEK. STRONG NE
WINDS MAY IMPACT THE REGION LATER THIS WEEK AS A COASTAL STORM
COULD APPROACH THE REGION. WITH THIS POSSIBILITY, RAIN COULD
RETURN HEADING INTO THE WEEKEND.
MAZ015-212000-
SUFFOLK MA-
INCLUDING THE CITY OF BOSTON
407 AM EDT MON SEP 21 2026
TODAY TONIGHT TUE
CLOUD COVER PCLDY MCLDY PCLDY
PRECIP TYPE NONE NONE NONE
CHANCE PRECIP (%) 10
CHANCE OF THUNDER (%) 0 0 0
TEMP (24H TREND) 66 (+4) 50 (-4) 62
RH % (24H TREND) 63 (-4) 96 (-4) 60
20FT WND AM(MPH) N 8 G17 NE 9 G20
20FT WND PM(MPH) NE 8 LGT/VAR NE 10 G19
PRECIP AMOUNT 0.00 0.00 0.00
PRECIP DURATION
PRECIP BEGIN
PRECIP END
MIXING HGT (FT-AGL) 3730 430 4160
TRANSPORT WND (KTS) NE 14 NE 13 NE 15
VENT RATE (KT-FT) 52220 5590 62400
MAX ADI EARLY 40 FAIR 22 FAIR 41 GEN GOOD
MAX ADI LATE 42 GEN GOOD 15 GEN POOR 43 GEN GOOD
MAX LVORI EARLY 3 4 4
MAX LVORI LATE 3 4 4
MIN VSBY EARLY 5 FOG 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
TUESDAY NIGHT
PARTLY CLOUDY. LOWS AROUND 50. NORTHEAST WINDS
10 TO 15 MPH.
WEDNESDAY THROUGH THURSDAY NIGHT
MOSTLY CLOUDY. LOWS IN THE
LOWER 50S. HIGHS IN THE LOWER 60S. NORTHEAST WINDS 15 TO 20 MPH.
FRIDAY
BREEZY. MOSTLY CLOUDY WITH A CHANCE OF SHOWERS. HIGHS
IN THE LOWER 60S. NORTHEAST WINDS 15 TO 25 MPH.
FRIDAY NIGHT AND SATURDAY
WINDY. MOSTLY CLOUDY WITH SHOWERS
LIKELY. LOWS IN THE LOWER 50S. HIGHS IN THE LOWER 60S. NORTHEAST
WINDS 20 TO 30 MPH.
SATURDAY NIGHT AND SUNDAY
BREEZY. MOSTLY CLOUDY. A CHANCE OF
SHOWERS. LOWS IN THE MID 50S. HIGHS IN THE MID 60S. NORTHEAST
WINDS 15 TO 25 MPH.
MAZ016-212000-
EASTERN NORFOLK MA-
INCLUDING THE CITY OF QUINCY
407 AM EDT MON SEP 21 2026
TODAY TONIGHT TUE
CLOUD COVER PCLDY MCLDY PCLDY
PRECIP TYPE NONE NONE NONE
CHANCE PRECIP (%) 20
CHANCE OF THUNDER (%) 0 0 0
TEMP (24H TREND) 66 (+4) 50 (-5) 62
RH % (24H TREND) 65 (0) 93 (-7) 62
20FT WND AM(MPH) N 9 G18 NE 10 G20
20FT WND PM(MPH) NE 9 G17 LGT/VAR NE 11 G20
PRECIP AMOUNT 0.00 0.00 0.00
PRECIP DURATION
PRECIP BEGIN
PRECIP END
MIXING HGT (FT-AGL) 3020 410 3930
TRANSPORT WND (KTS) NE 15 NE 13 NE 15
VENT RATE (KT-FT) 45300 5330 58950
MAX ADI EARLY 14 GEN POOR 23 FAIR 14 GEN POOR
MAX ADI LATE 43 GEN GOOD 14 GEN POOR 47 GEN GOOD
MAX LVORI EARLY 4 5 4
MAX LVORI LATE 4 5 4
MIN VSBY EARLY 5 FOG 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
TUESDAY NIGHT
MOSTLY CLOUDY. LOWS AROUND 50. NORTHEAST WINDS
10 TO 15 MPH.
WEDNESDAY THROUGH THURSDAY
MOSTLY CLOUDY. LOWS IN THE LOWER
50S. HIGHS IN THE LOWER 60S. NORTHEAST WINDS 15 TO 20 MPH.
THURSDAY NIGHT AND FRIDAY
BREEZY. MOSTLY CLOUDY WITH A CHANCE
OF SHOWERS. LOWS IN THE LOWER 50S. HIGHS IN THE LOWER 60S.
NORTHEAST WINDS 20 TO 25 MPH.
FRIDAY NIGHT
BREEZY. CLOUDY WITH SHOWERS LIKELY. LOWS IN THE
LOWER 50S. NORTHEAST WINDS 15 TO 25 MPH.
SATURDAY
BREEZY. MOSTLY CLOUDY WITH SHOWERS LIKELY. HIGHS IN
THE LOWER 60S. NORTH WINDS 15 TO 25 MPH.
SATURDAY NIGHT AND SUNDAY
BREEZY. MOSTLY CLOUDY. A CHANCE OF
SHOWERS. LOWS IN THE LOWER 50S. HIGHS IN THE MID 60S. NORTHEAST
WINDS 20 TO 25 MPH.
MAZ013-212000-
WESTERN NORFOLK MA-
INCLUDING THE CITIES OF FOXBOROUGH AND NORWOOD
407 AM EDT MON SEP 21 2026
TODAY TONIGHT TUE
CLOUD COVER PCLDY MCLDY PCLDY
PRECIP TYPE NONE NONE NONE
CHANCE PRECIP (%) 10
CHANCE OF THUNDER (%) 0 0 0
TEMP (24H TREND) 66 (+5) 48 (-5) 62
RH % (24H TREND) 63 (-7) 100 (0) 62
20FT WND AM(MPH) N 6 G17 NE 7 G19
20FT WND PM(MPH) NE 6 LGT/VAR NE 8 G19
PRECIP AMOUNT 0.00 0.00 0.00
PRECIP DURATION
PRECIP BEGIN
PRECIP END
MIXING HGT (FT-AGL) 4070 420 4280
TRANSPORT WND (KTS) NE 14 NE 7 NE 15
VENT RATE (KT-FT) 56980 2940 64200
MAX ADI EARLY 13 GEN POOR 25 FAIR 48 GEN GOOD
MAX ADI LATE 71 GOOD 9 POOR 52 GEN GOOD
MAX LVORI EARLY 3 7 3
MAX LVORI LATE 3 7 3
MIN VSBY EARLY 5 FOG 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
TUESDAY NIGHT
MOSTLY CLOUDY. LOWS IN THE MID 40S. NORTHEAST
WINDS 5 TO 10 MPH.
WEDNESDAY THROUGH THURSDAY
MOSTLY CLOUDY. LOWS IN THE UPPER
40S. HIGHS IN THE LOWER 60S. NORTHEAST WINDS 10 TO 15 MPH.
THURSDAY NIGHT AND FRIDAY
MOSTLY CLOUDY WITH A CHANCE OF
SHOWERS. LOWS IN THE UPPER 40S. HIGHS IN THE LOWER 60S. NORTHEAST
WINDS 10 TO 15 MPH.
FRIDAY NIGHT AND SATURDAY
MOSTLY CLOUDY WITH SHOWERS LIKELY.
LOWS AROUND 50. HIGHS IN THE LOWER 60S. NORTH WINDS 10 TO 15 MPH.
SATURDAY NIGHT AND SUNDAY
MOSTLY CLOUDY. A CHANCE OF SHOWERS.
LOWS IN THE LOWER 50S. HIGHS IN THE MID 60S. NORTHEAST WINDS
10 TO 15 MPH.
MAZ014-212000-
SOUTHEAST MIDDLESEX MA-
INCLUDING THE CITY OF CAMBRIDGE
407 AM EDT MON SEP 21 2026
TODAY TONIGHT TUE
CLOUD COVER PCLDY MCLDY PCLDY
PRECIP TYPE NONE NONE NONE
CHANCE PRECIP (%) 10
CHANCE OF THUNDER (%) 0 0 0
TEMP (24H TREND) 67 (+6) 48 (-5) 62
RH % (24H TREND) 59 (-10) 93 (-7) 58
20FT WND AM(MPH) N 7 NE 7 G17
20FT WND PM(MPH) NE 6 LGT/VAR NE 9 G18
PRECIP AMOUNT 0.00 0.00 0.00
PRECIP DURATION
PRECIP BEGIN
PRECIP END
MIXING HGT (FT-AGL) 4460 430 4320
TRANSPORT WND (KTS) NE 12 NE 11 NE 15
VENT RATE (KT-FT) 53520 4730 64800
MAX ADI EARLY 39 FAIR 24 FAIR 45 GEN GOOD
MAX ADI LATE 57 GEN GOOD 11 POOR 50 GEN GOOD
MAX LVORI EARLY 3 5 4
MAX LVORI LATE 3 5 4
MIN VSBY EARLY 5 FOG 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
TUESDAY NIGHT
PARTLY CLOUDY. LOWS IN THE UPPER 40S. NORTHEAST
WINDS 5 TO 10 MPH.
WEDNESDAY THROUGH THURSDAY NIGHT
MOSTLY CLOUDY. LOWS IN THE
UPPER 40S. HIGHS IN THE LOWER 60S. NORTH WINDS 10 TO 15 MPH.
FRIDAY
MOSTLY CLOUDY WITH A CHANCE OF SHOWERS. HIGHS IN THE
LOWER 60S. NORTHEAST WINDS 10 TO 15 MPH.
FRIDAY NIGHT AND SATURDAY
MOSTLY CLOUDY WITH SHOWERS LIKELY.
LOWS IN THE LOWER 50S. HIGHS IN THE LOWER 60S. NORTH WINDS 15 TO
20 MPH.
SATURDAY NIGHT AND SUNDAY
MOSTLY CLOUDY. A CHANCE OF SHOWERS.
LOWS IN THE LOWER 50S. HIGHS IN THE MID 60S. NORTHEAST WINDS
10 TO 15 MPH.
MAZ007-212000-
EASTERN ESSEX MA-
INCLUDING THE CITY OF GLOUCESTER
407 AM EDT MON SEP 21 2026
TODAY TONIGHT TUE
CLOUD COVER PCLDY MCLDY PCLDY
PRECIP TYPE NONE NONE NONE
CHANCE PRECIP (%) 10
CHANCE OF THUNDER (%) 0 0 0
TEMP (24H TREND) 66 (+5) 48 (-5) 63
RH % (24H TREND) 61 (-1) 96 (-4) 58
20FT WND AM(MPH) N 9 G17 NE 10 G20
20FT WND PM(MPH) NE 7 G17 LGT/VAR NE 10 G20
PRECIP AMOUNT 0.00 0.00 0.00
PRECIP DURATION
PRECIP BEGIN
PRECIP END
MIXING HGT (FT-AGL) 3530 400 3820
TRANSPORT WND (KTS) NE 13 NE 14 NE 14
VENT RATE (KT-FT) 45890 5600 53480
MAX ADI EARLY 39 FAIR 14 GEN POOR 39 FAIR
MAX ADI LATE 40 FAIR 14 GEN POOR 40 FAIR
MAX LVORI EARLY 3 5 4
MAX LVORI LATE 3 5 4
MIN VSBY EARLY 6 FOG 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
TUESDAY NIGHT
PARTLY CLOUDY. LOWS IN THE UPPER 40S. NORTHEAST
WINDS 10 TO 15 MPH.
WEDNESDAY AND WEDNESDAY NIGHT
PARTLY CLOUDY. LOWS AROUND 50.
HIGHS IN THE LOWER 60S. NORTHEAST WINDS 15 TO 20 MPH.
THURSDAY AND THURSDAY NIGHT
MOSTLY CLOUDY. LOWS IN THE LOWER
50S. HIGHS IN THE LOWER 60S. NORTHEAST WINDS 15 TO 20 MPH.
FRIDAY
BREEZY. MOSTLY CLOUDY WITH A CHANCE OF SHOWERS. HIGHS
IN THE LOWER 60S. NORTHEAST WINDS 20 TO 25 MPH.
FRIDAY NIGHT AND SATURDAY
WINDY. MOSTLY CLOUDY WITH SHOWERS
LIKELY. LOWS IN THE LOWER 50S. HIGHS IN THE LOWER 60S. NORTHEAST
WINDS 20 TO 30 MPH.
SATURDAY NIGHT AND SUNDAY
BREEZY. MOSTLY CLOUDY. A CHANCE OF
SHOWERS. LOWS IN THE LOWER 50S. HIGHS IN THE LOWER 60S. NORTHEAST
WINDS 20 TO 25 MPH.
MAZ006-212000-
WESTERN ESSEX MA-
INCLUDING THE CITY OF LAWRENCE
407 AM EDT MON SEP 21 2026
TODAY TONIGHT TUE
CLOUD COVER PCLDY MCLDY PCLDY
PRECIP TYPE NONE NONE NONE
CHANCE PRECIP (%) 10
CHANCE OF THUNDER (%) 0 0 0
TEMP (24H TREND) 67 (+8) 47 (-4) 62
RH % (24H TREND) 59 (-13) 96 (-4) 58
20FT WND AM(MPH) N 5 NE 6
20FT WND PM(MPH) NE 5 LGT/VAR NE 7
PRECIP AMOUNT 0.00 0.00 0.00
PRECIP DURATION
PRECIP BEGIN
PRECIP END
MIXING HGT (FT-AGL) 4880 410 4230
TRANSPORT WND (KTS) N 11 N 7 NE 15
VENT RATE (KT-FT) 53680 2870 63450
MAX ADI EARLY 55 GEN GOOD 13 GEN POOR 51 GEN GOOD
MAX ADI LATE 65 GOOD 8 POOR 52 GEN GOOD
MAX LVORI EARLY 2 6 2
MAX LVORI LATE 2 6 2
MIN VSBY EARLY 6 FOG 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
TUESDAY NIGHT
PARTLY CLOUDY. LOWS IN THE UPPER 40S. NORTHEAST
WINDS 5 TO 10 MPH.
WEDNESDAY AND WEDNESDAY NIGHT
PARTLY CLOUDY. LOWS IN THE UPPER
40S. HIGHS IN THE LOWER 60S. NORTHEAST WINDS 10 TO 15 MPH.
THURSDAY AND THURSDAY NIGHT
MOSTLY CLOUDY. LOWS IN THE UPPER
40S. HIGHS IN THE LOWER 60S. NORTH WINDS 5 TO 10 MPH.
FRIDAY
MOSTLY CLOUDY WITH A CHANCE OF SHOWERS. HIGHS IN THE
LOWER 60S. NORTHEAST WINDS 10 TO 15 MPH.
FRIDAY NIGHT AND SATURDAY
MOSTLY CLOUDY. SHOWERS LIKELY. LOWS
IN THE UPPER 40S. HIGHS IN THE LOWER 60S. NORTHEAST WINDS 10 TO
15 MPH.
SATURDAY NIGHT AND SUNDAY
MOSTLY CLOUDY. A CHANCE OF SHOWERS.
LOWS AROUND 50. HIGHS IN THE MID 60S. NORTHEAST WINDS 10 TO
15 MPH.
MAZ005-212000-
CENTRAL MIDDLESEX MA-
INCLUDING THE CITIES OF FRAMINGHAM AND LOWELL
407 AM EDT MON SEP 21 2026
TODAY TONIGHT TUE
CLOUD COVER PCLDY MCLDY PCLDY
PRECIP TYPE NONE NONE NONE
CHANCE PRECIP (%) 10
CHANCE OF THUNDER (%) 0 0 0
TEMP (24H TREND) 68 (+9) 47 (-4) 62
RH % (24H TREND) 59 (-10) 100 (0) 58
20FT WND AM(MPH) N 5 NE 5
20FT WND PM(MPH) NE 5 LGT/VAR NE 7
PRECIP AMOUNT 0.00 0.00 0.00
PRECIP DURATION
PRECIP BEGIN
PRECIP END
MIXING HGT (FT-AGL) 4870 430 4510
TRANSPORT WND (KTS) N 10 N 7 NE 14
VENT RATE (KT-FT) 48700 3010 63140
MAX ADI EARLY 55 GEN GOOD 20 GEN POOR 55 GEN GOOD
MAX ADI LATE 66 GOOD 8 POOR 67 GOOD
MAX LVORI EARLY 2 6 2
MAX LVORI LATE 2 6 2
MIN VSBY EARLY 3 FOG 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
TUESDAY NIGHT
MOSTLY CLOUDY. LOWS IN THE MID 40S. NORTHEAST
WINDS 5 TO 10 MPH.
WEDNESDAY THROUGH THURSDAY NIGHT
MOSTLY CLOUDY. LOWS IN THE
MID 40S. HIGHS IN THE LOWER 60S. NORTH WINDS 10 TO 15 MPH.
FRIDAY
MOSTLY CLOUDY WITH A CHANCE OF SHOWERS. HIGHS IN THE
LOWER 60S. NORTH WINDS 10 TO 15 MPH.
FRIDAY NIGHT AND SATURDAY
MOSTLY CLOUDY. SHOWERS LIKELY. LOWS
IN THE UPPER 40S. HIGHS IN THE LOWER 60S. NORTH WINDS 10 TO
15 MPH.
SATURDAY NIGHT AND SUNDAY
MOSTLY CLOUDY. A CHANCE OF SHOWERS.
LOWS AROUND 50. HIGHS IN THE MID 60S. NORTHEAST WINDS 10 TO
15 MPH.
MAZ012-212000-
SOUTHERN WORCESTER MA-
INCLUDING THE CITIES OF MILFORD AND WORCESTER
407 AM EDT MON SEP 21 2026
TODAY TONIGHT TUE
CLOUD COVER PCLDY MCLDY PCLDY
PRECIP TYPE NONE NONE NONE
CHANCE PRECIP (%) 10
CHANCE OF THUNDER (%) 0 0 0
TEMP (24H TREND) 66 (+7) 47 (-4) 62
RH % (24H TREND) 61 (-11) 100 (0) 58
20FT WND AM(MPH) N 7 NE 7
20FT WND PM(MPH) NE 6 LGT/VAR NE 8 G17
PRECIP AMOUNT 0.00 0.00 0.00
PRECIP DURATION
PRECIP BEGIN
PRECIP END
MIXING HGT (FT-AGL) 4370 420 4390
TRANSPORT WND (KTS) N 10 NE 11 NE 14
VENT RATE (KT-FT) 43700 4620 61460
MAX ADI EARLY 39 FAIR 23 FAIR 41 GEN GOOD
MAX ADI LATE 66 GOOD 11 POOR 48 GEN GOOD
MAX LVORI EARLY 3 7 3
MAX LVORI LATE 3 7 3
MIN VSBY EARLY 1 FOG 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
TUESDAY NIGHT
MOSTLY CLOUDY. LOWS IN THE MID 40S. NORTHEAST
WINDS 5 TO 10 MPH.
WEDNESDAY THROUGH THURSDAY NIGHT
MOSTLY CLOUDY. LOWS IN THE
UPPER 40S. HIGHS IN THE LOWER 60S. NORTHEAST WINDS 10 TO 15 MPH.
FRIDAY THROUGH SUNDAY
MOSTLY CLOUDY WITH A CHANCE OF SHOWERS.
LOWS IN THE UPPER 40S. HIGHS IN THE LOWER 60S. NORTHEAST WINDS
10 TO 15 MPH.
MAZ004-212000-
NORTHERN WORCESTER MA-
INCLUDING THE CITIES OF BARRE AND FITCHBURG
407 AM EDT MON SEP 21 2026
TODAY TONIGHT TUE
CLOUD COVER PCLDY MCLDY PCLDY
PRECIP TYPE NONE NONE NONE
CHANCE PRECIP (%)
CHANCE OF THUNDER (%) 0 0 0
TEMP (24H TREND) 66 (+10) 43 (-6) 61
RH % (24H TREND) 58 (-16) 96 (-4) 54
20FT WND AM(MPH) N 6 NE 6
20FT WND PM(MPH) N 5 LGT/VAR NE 7
PRECIP AMOUNT 0.00 0.00 0.00
PRECIP DURATION
PRECIP BEGIN
PRECIP END
MIXING HGT (FT-AGL) 4540 420 4380
TRANSPORT WND (KTS) N 10 NE 10 NE 13
VENT RATE (KT-FT) 45400 4200 56940
MAX ADI EARLY 41 GEN GOOD 16 GEN POOR 39 FAIR
MAX ADI LATE 60 GEN GOOD 9 POOR 57 GEN GOOD
MAX LVORI EARLY 3 7 3
MAX LVORI LATE 3 7 3
MIN VSBY EARLY 1 FOG 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
TUESDAY NIGHT
MOSTLY CLOUDY. LOWS IN THE MID 40S. NORTHEAST
WINDS 5 TO 10 MPH.
WEDNESDAY
PARTLY SUNNY. HIGHS IN THE LOWER 60S. NORTHEAST
WINDS 5 TO 10 MPH.
WEDNESDAY NIGHT
PARTLY CLOUDY. LOWS IN THE LOWER 40S.
NORTHEAST WINDS 5 TO 10 MPH.
THURSDAY AND THURSDAY NIGHT
MOSTLY CLOUDY. LOWS IN THE MID
40S. HIGHS IN THE LOWER 60S. NORTHEAST WINDS 10 TO 15 MPH.
FRIDAY THROUGH SUNDAY
MOSTLY CLOUDY WITH A CHANCE OF SHOWERS.
LOWS IN THE UPPER 40S. HIGHS IN THE LOWER 60S. NORTHEAST WINDS
15 TO 20 MPH.
MAZ026-212000-
NORTHERN MIDDLESEX MA-
INCLUDING THE CITY OF AYER
407 AM EDT MON SEP 21 2026
TODAY TONIGHT TUE
CLOUD COVER PCLDY MCLDY PCLDY
PRECIP TYPE NONE NONE NONE
CHANCE PRECIP (%)
CHANCE OF THUNDER (%) 0 0 0
TEMP (24H TREND) 68 (+13) 45 (-5) 63
RH % (24H TREND) 59 (-24) 96 (-4) 60
20FT WND AM(MPH) LGT/VAR LGT/VAR
20FT WND PM(MPH) LGT/VAR LGT/VAR NE 5
PRECIP AMOUNT 0.00 0.00 0.00
PRECIP DURATION
PRECIP BEGIN
PRECIP END
MIXING HGT (FT-AGL) 4880 420 4570
TRANSPORT WND (KTS) N 9 NE 9 NE 13
VENT RATE (KT-FT) 43920 3780 59410
MAX ADI EARLY 55 GEN GOOD 20 GEN POOR 54 GEN GOOD
MAX ADI LATE 62 GOOD 7 POOR 79 GOOD
MAX LVORI EARLY 3 6 3
MAX LVORI LATE 3 6 3
MIN VSBY EARLY 2 FOG 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
TUESDAY NIGHT
MOSTLY CLOUDY. LOWS IN THE LOWER 40S. NORTHEAST
WINDS AROUND 5 MPH.
WEDNESDAY AND WEDNESDAY NIGHT
PARTLY CLOUDY. LOWS IN THE LOWER
40S. HIGHS IN THE LOWER 60S. NORTHEAST WINDS 5 TO 10 MPH.
THURSDAY AND THURSDAY NIGHT
MOSTLY CLOUDY. LOWS IN THE MID
40S. HIGHS IN THE LOWER 60S. NORTH WINDS 5 TO 10 MPH.
FRIDAY THROUGH SUNDAY
MOSTLY CLOUDY WITH A CHANCE OF SHOWERS.
LOWS IN THE UPPER 40S. HIGHS IN THE LOWER 60S. NORTHEAST WINDS
10 TO 15 MPH.
MAZ002-212000-
WESTERN FRANKLIN MA-
INCLUDING THE CITY OF CHARLEMONT
407 AM EDT MON SEP 21 2026
TODAY TONIGHT TUE
CLOUD COVER PCLDY MCLDY MCLDY
PRECIP TYPE NONE NONE NONE
CHANCE PRECIP (%)
CHANCE OF THUNDER (%) 0 0 0
TEMP (24H TREND) 63 (+9) 41 (-7) 61
RH % (24H TREND) 58 (-25) 93 (-7) 52
20FT WND AM(MPH) N 5 LGT/VAR
20FT WND PM(MPH) LGT/VAR LGT/VAR LGT/VAR
PRECIP AMOUNT 0.00 0.00 0.00
PRECIP DURATION
PRECIP BEGIN
PRECIP END
MIXING HGT (FT-AGL) 3830 420 4700
TRANSPORT WND (KTS) N 10 N 10 NE 11
VENT RATE (KT-FT) 38300 4200 51700
MAX ADI EARLY 41 GEN GOOD 18 GEN POOR 45 GEN GOOD
MAX ADI LATE 54 GEN GOOD 6 VERY POOR 70 GOOD
MAX LVORI EARLY 3 5 2
MAX LVORI LATE 3 5 2
MIN VSBY EARLY 1 FOG 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
TUESDAY NIGHT
PARTLY CLOUDY. LOWS IN THE LOWER 40S. NORTHEAST
WINDS 5 TO 10 MPH.
WEDNESDAY AND WEDNESDAY NIGHT
PARTLY CLOUDY. LOWS IN THE LOWER
40S. HIGHS AROUND 60. NORTHEAST WINDS 5 TO 10 MPH.
THURSDAY AND THURSDAY NIGHT
MOSTLY CLOUDY. LOWS IN THE LOWER
40S. HIGHS AROUND 60. NORTH WINDS 5 TO 10 MPH.
FRIDAY THROUGH SUNDAY
MOSTLY CLOUDY WITH A CHANCE OF SHOWERS.
LOWS IN THE MID 40S. HIGHS IN THE LOWER 60S. NORTHEAST WINDS
10 TO 15 MPH.
MAZ003-212000-
EASTERN FRANKLIN MA-
INCLUDING THE CITIES OF GREENFIELD AND ORANGE
407 AM EDT MON SEP 21 2026
TODAY TONIGHT TUE
CLOUD COVER PCLDY MCLDY PCLDY
PRECIP TYPE NONE NONE NONE
CHANCE PRECIP (%)
CHANCE OF THUNDER (%) 0 0 0
TEMP (24H TREND) 67 (+10) 43 (-5) 64
RH % (24H TREND) 58 (-19) 96 (-4) 48
20FT WND AM(MPH) N 6 NE 5
20FT WND PM(MPH) N 5 LGT/VAR NE 6
PRECIP AMOUNT 0.00 0.00 0.00
PRECIP DURATION
PRECIP BEGIN
PRECIP END
MIXING HGT (FT-AGL) 4210 410 4870
TRANSPORT WND (KTS) N 10 NE 8 NE 11
VENT RATE (KT-FT) 42100 3280 53570
MAX ADI EARLY 42 GEN GOOD 18 GEN POOR 49 GEN GOOD
MAX ADI LATE 58 GEN GOOD 6 VERY POOR 70 GOOD
MAX LVORI EARLY 3 5 1
MAX LVORI LATE 3 5 1
MIN VSBY EARLY 1 FOG 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
TUESDAY NIGHT
MOSTLY CLOUDY. LOWS IN THE LOWER 40S. NORTHEAST
WINDS 5 TO 10 MPH.
WEDNESDAY AND WEDNESDAY NIGHT
PARTLY CLOUDY. LOWS IN THE LOWER
40S. HIGHS IN THE LOWER 60S. NORTHEAST WINDS 5 TO 10 MPH.
THURSDAY AND THURSDAY NIGHT
MOSTLY CLOUDY. LOWS IN THE MID
40S. HIGHS IN THE LOWER 60S. NORTH WINDS 10 TO 15 MPH.
FRIDAY THROUGH SUNDAY
MOSTLY CLOUDY WITH A CHANCE OF SHOWERS.
LOWS IN THE UPPER 40S. HIGHS IN THE MID 60S. NORTHEAST WINDS
15 TO 20 MPH.
MAZ008-212000-
WESTERN HAMPSHIRE MA-
INCLUDING THE CITY OF CHESTERFIELD
407 AM EDT MON SEP 21 2026
TODAY TONIGHT TUE
CLOUD COVER PCLDY MCLDY MCLDY
PRECIP TYPE NONE NONE NONE
CHANCE PRECIP (%)
CHANCE OF THUNDER (%) 0 0 0
TEMP (24H TREND) 64 (+8) 42 (-7) 60
RH % (24H TREND) 61 (-19) 89 (-11) 56
20FT WND AM(MPH) N 6 NE 5
20FT WND PM(MPH) N 5 LGT/VAR NE 5
PRECIP AMOUNT 0.00 0.00 0.00
PRECIP DURATION
PRECIP BEGIN
PRECIP END
MIXING HGT (FT-AGL) 3790 420 4560
TRANSPORT WND (KTS) N 11 NE 9 E 12
VENT RATE (KT-FT) 41690 3780 54720
MAX ADI EARLY 47 GEN GOOD 21 FAIR 49 GEN GOOD
MAX ADI LATE 57 GEN GOOD 8 POOR 71 GOOD
MAX LVORI EARLY 3 5 3
MAX LVORI LATE 3 5 3
MIN VSBY EARLY 1 FOG 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
TUESDAY NIGHT
MOSTLY CLOUDY. LOWS IN THE LOWER 40S. NORTHEAST
WINDS 5 TO 10 MPH.
WEDNESDAY
MOSTLY SUNNY. HIGHS AROUND 60. NORTHEAST WINDS 5 TO
10 MPH.
WEDNESDAY NIGHT THROUGH THURSDAY NIGHT
MOSTLY CLOUDY. LOWS IN
THE MID 40S. HIGHS AROUND 60. NORTH WINDS 10 TO 15 MPH.
FRIDAY THROUGH SUNDAY
MOSTLY CLOUDY WITH A CHANCE OF SHOWERS.
LOWS IN THE UPPER 40S. HIGHS IN THE LOWER 60S. NORTHEAST WINDS
10 TO 15 MPH.
MAZ010-212000-
EASTERN HAMPSHIRE MA-
INCLUDING THE CITIES OF AMHERST AND NORTHAMPTON
407 AM EDT MON SEP 21 2026
TODAY TONIGHT TUE
CLOUD COVER PCLDY MCLDY PCLDY
PRECIP TYPE NONE NONE NONE
CHANCE PRECIP (%)
CHANCE OF THUNDER (%) 0 0 0
TEMP (24H TREND) 67 (+8) 45 (-5) 65
RH % (24H TREND) 59 (-18) 96 (-4) 52
20FT WND AM(MPH) N 7 NE 6
20FT WND PM(MPH) N 7 LGT/VAR NE 7
PRECIP AMOUNT 0.00 0.00 0.00
PRECIP DURATION
PRECIP BEGIN
PRECIP END
MIXING HGT (FT-AGL) 4320 400 4960
TRANSPORT WND (KTS) N 10 N 8 NE 11
VENT RATE (KT-FT) 43200 3200 54560
MAX ADI EARLY 37 FAIR 15 GEN POOR 38 FAIR
MAX ADI LATE 58 GEN GOOD 8 POOR 43 GEN GOOD
MAX LVORI EARLY 3 5 2
MAX LVORI LATE 3 5 2
MIN VSBY EARLY 1 FOG 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
TUESDAY NIGHT
MOSTLY CLOUDY. LOWS IN THE MID 40S. NORTHEAST
WINDS 5 TO 10 MPH.
WEDNESDAY THROUGH THURSDAY NIGHT
MOSTLY CLOUDY. LOWS IN THE
MID 40S. HIGHS IN THE MID 60S. NORTH WINDS 10 TO 15 MPH.
FRIDAY THROUGH SUNDAY
MOSTLY CLOUDY WITH A CHANCE OF SHOWERS.
LOWS IN THE UPPER 40S. HIGHS IN THE MID 60S. NORTHEAST WINDS
15 TO 20 MPH.
MAZ009-212000-
WESTERN HAMPDEN MA-
INCLUDING THE CITY OF BLANDFORD
407 AM EDT MON SEP 21 2026
TODAY TONIGHT TUE
CLOUD COVER PCLDY MCLDY PCLDY
PRECIP TYPE NONE NONE NONE
CHANCE PRECIP (%)
CHANCE OF THUNDER (%) 0 0 0
TEMP (24H TREND) 65 (+8) 44 (-7) 62
RH % (24H TREND) 61 (-22) 89 (-11) 56
20FT WND AM(MPH) N 6 NE 6
20FT WND PM(MPH) NE 5 LGT/VAR NE 6
PRECIP AMOUNT 0.00 0.00 0.00
PRECIP DURATION
PRECIP BEGIN
PRECIP END
MIXING HGT (FT-AGL) 3750 430 4570
TRANSPORT WND (KTS) N 11 NE 10 E 13
VENT RATE (KT-FT) 41250 4300 59410
MAX ADI EARLY 52 GEN GOOD 21 FAIR 51 GEN GOOD
MAX ADI LATE 59 GEN GOOD 8 POOR 77 GOOD
MAX LVORI EARLY 3 5 3
MAX LVORI LATE 3 5 3
MIN VSBY EARLY 2 FOG 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
TUESDAY NIGHT
MOSTLY CLOUDY. LOWS IN THE MID 40S. NORTHEAST
WINDS 5 TO 10 MPH.
WEDNESDAY THROUGH THURSDAY NIGHT
MOSTLY CLOUDY. LOWS IN THE
MID 40S. HIGHS IN THE LOWER 60S. NORTHEAST WINDS 10 TO 15 MPH.
FRIDAY THROUGH SUNDAY
MOSTLY CLOUDY WITH A CHANCE OF SHOWERS.
LOWS IN THE UPPER 40S. HIGHS IN THE LOWER 60S. NORTHEAST WINDS
10 TO 15 MPH.
MAZ011-212000-
EASTERN HAMPDEN MA-
INCLUDING THE CITY OF SPRINGFIELD
407 AM EDT MON SEP 21 2026
TODAY TONIGHT TUE
CLOUD COVER PCLDY MCLDY PCLDY
PRECIP TYPE NONE NONE NONE
CHANCE PRECIP (%)
CHANCE OF THUNDER (%) 0 0 0
TEMP (24H TREND) 69 (+8) 46 (-6) 64
RH % (24H TREND) 57 (-10) 100 (0) 50
20FT WND AM(MPH) N 8 G17 NE 7
20FT WND PM(MPH) N 7 LGT/VAR NE 8 G17
PRECIP AMOUNT 0.00 0.00 0.00
PRECIP DURATION
PRECIP BEGIN
PRECIP END
MIXING HGT (FT-AGL) 4270 400 4900
TRANSPORT WND (KTS) N 11 NE 8 E 13
VENT RATE (KT-FT) 46970 3200 63700
MAX ADI EARLY 39 FAIR 18 GEN POOR 36 FAIR
MAX ADI LATE 54 GEN GOOD 9 POOR 45 GEN GOOD
MAX LVORI EARLY 3 6 3
MAX LVORI LATE 3 6 3
MIN VSBY EARLY 1 FOG 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
TUESDAY NIGHT
MOSTLY CLOUDY. LOWS IN THE MID 40S. NORTHEAST
WINDS 5 TO 10 MPH.
WEDNESDAY THROUGH THURSDAY NIGHT
MOSTLY CLOUDY. LOWS IN THE
MID 40S. HIGHS IN THE MID 60S. NORTH WINDS 10 TO 15 MPH.
FRIDAY THROUGH SATURDAY NIGHT
MOSTLY CLOUDY WITH A CHANCE OF
SHOWERS. LOWS IN THE UPPER 40S. HIGHS IN THE LOWER 60S. NORTH
WINDS 15 TO 20 MPH.
SUNDAY
PARTLY SUNNY. HIGHS IN THE MID 60S. NORTH WINDS 10 TO
15 MPH.
CTZ002-212000-
HARTFORD CT-
INCLUDING THE CITIES OF HARTFORD AND WINDSOR LOCKS
407 AM EDT MON SEP 21 2026
TODAY TONIGHT TUE
CLOUD COVER PCLDY MCLDY PCLDY
PRECIP TYPE NONE NONE NONE
CHANCE PRECIP (%) 10 10
CHANCE OF THUNDER (%) 0 0 0
TEMP (24H TREND) 69 (+5) 48 (-6) 64
RH % (24H TREND) 59 (-11) 93 (-7) 54
20FT WND AM(MPH) N 9 G18 NE 6
20FT WND PM(MPH) N 7 LGT/VAR NE 8
PRECIP AMOUNT 0.00 0.00 0.00
PRECIP DURATION
PRECIP BEGIN
PRECIP END
MIXING HGT (FT-AGL) 4000 410 4810
TRANSPORT WND (KTS) N 11 NE 9 E 13
VENT RATE (KT-FT) 44000 3690 62530
MAX ADI EARLY 40 FAIR 20 GEN POOR 37 FAIR
MAX ADI LATE 57 GEN GOOD 9 POOR 45 GEN GOOD
MAX LVORI EARLY 3 6 3
MAX LVORI LATE 3 6 3
MIN VSBY EARLY 2 FOG 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
TUESDAY NIGHT
MOSTLY CLOUDY. LOWS IN THE UPPER 40S. NORTHEAST
WINDS 5 TO 10 MPH.
WEDNESDAY THROUGH THURSDAY NIGHT
MOSTLY CLOUDY. LOWS IN THE
UPPER 40S. HIGHS IN THE MID 60S. NORTH WINDS 10 TO 15 MPH.
FRIDAY THROUGH SATURDAY NIGHT
MOSTLY CLOUDY WITH A CHANCE OF
SHOWERS. LOWS IN THE UPPER 40S. HIGHS IN THE LOWER 60S. NORTH
WINDS 15 TO 20 MPH.
SUNDAY
PARTLY SUNNY. HIGHS IN THE MID 60S. NORTH WINDS 10 TO
15 MPH.
CTZ003-212000-
TOLLAND CT-
INCLUDING THE CITIES OF UNION AND VERNON
407 AM EDT MON SEP 21 2026
TODAY TONIGHT TUE
CLOUD COVER PCLDY MCLDY PCLDY
PRECIP TYPE NONE NONE NONE
CHANCE PRECIP (%) 10 10
CHANCE OF THUNDER (%) 0 0 0
TEMP (24H TREND) 67 (+5) 48 (-5) 63
RH % (24H TREND) 61 (-14) 100 (0) 58
20FT WND AM(MPH) N 8 NE 7
20FT WND PM(MPH) NE 6 LGT/VAR NE 8 G17
PRECIP AMOUNT 0.00 0.00 0.00
PRECIP DURATION
PRECIP BEGIN
PRECIP END
MIXING HGT (FT-AGL) 4230 430 4600
TRANSPORT WND (KTS) N 10 NE 8 E 13
VENT RATE (KT-FT) 42300 3440 59800
MAX ADI EARLY 35 FAIR 19 GEN POOR 39 FAIR
MAX ADI LATE 67 GOOD 10 POOR 46 GEN GOOD
MAX LVORI EARLY 3 7 3
MAX LVORI LATE 3 7 3
MIN VSBY EARLY 1 FOG 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
TUESDAY NIGHT
MOSTLY CLOUDY. LOWS IN THE MID 40S. NORTHEAST
WINDS 5 TO 10 MPH.
WEDNESDAY THROUGH THURSDAY
MOSTLY CLOUDY. LOWS IN THE MID 40S.
HIGHS IN THE MID 60S. NORTHEAST WINDS 10 TO 15 MPH.
THURSDAY NIGHT THROUGH SATURDAY NIGHT
MOSTLY CLOUDY WITH A
CHANCE OF SHOWERS. LOWS IN THE UPPER 40S. HIGHS IN THE LOWER 60S.
NORTH WINDS 15 TO 20 MPH.
SUNDAY
PARTLY SUNNY. HIGHS IN THE MID 60S. NORTHEAST WINDS
10 TO 15 MPH.
CTZ004-212000-
WINDHAM CT-
INCLUDING THE CITIES OF PUTNAM AND WILLIMANTIC
407 AM EDT MON SEP 21 2026
TODAY TONIGHT TUE
CLOUD COVER PCLDY MCLDY PCLDY
PRECIP TYPE NONE NONE NONE
CHANCE PRECIP (%) 10 10 10
CHANCE OF THUNDER (%) 0 0 0
TEMP (24H TREND) 67 (+5) 48 (-5) 63
RH % (24H TREND) 65 (-7) 100 (0) 60
20FT WND AM(MPH) N 8 G17 NE 7 G17
20FT WND PM(MPH) NE 7 LGT/VAR NE 9 G18
PRECIP AMOUNT 0.00 0.00 0.00
PRECIP DURATION
PRECIP BEGIN
PRECIP END
MIXING HGT (FT-AGL) 4250 440 4400
TRANSPORT WND (KTS) N 11 NE 8 NE 14
VENT RATE (KT-FT) 46750 3520 61600
MAX ADI EARLY 36 FAIR 20 GEN POOR 43 GEN GOOD
MAX ADI LATE 66 GOOD 11 POOR 49 GEN GOOD
MAX LVORI EARLY 4 7 3
MAX LVORI LATE 4 7 3
MIN VSBY EARLY 2 FOG 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
TUESDAY NIGHT
MOSTLY CLOUDY. LOWS IN THE MID 40S. NORTHEAST
WINDS 5 TO 10 MPH.
WEDNESDAY THROUGH THURSDAY
MOSTLY CLOUDY. LOWS IN THE UPPER
40S. HIGHS IN THE MID 60S. NORTHEAST WINDS 10 TO 15 MPH.
THURSDAY NIGHT THROUGH SATURDAY NIGHT
MOSTLY CLOUDY WITH A
CHANCE OF SHOWERS. LOWS IN THE UPPER 40S. HIGHS IN THE LOWER 60S.
NORTH WINDS 15 TO 20 MPH.
SUNDAY
PARTLY SUNNY. HIGHS IN THE MID 60S. NORTHEAST WINDS
10 TO 15 MPH.
RIZ001-212000-
NORTHWEST PROVIDENCE RI-
INCLUDING THE CITIES OF FOSTER AND SMITHFIELD
407 AM EDT MON SEP 21 2026
TODAY TONIGHT TUE
CLOUD COVER PCLDY MCLDY PCLDY
PRECIP TYPE NONE NONE NONE
CHANCE PRECIP (%) 10 10
CHANCE OF THUNDER (%) 0 0 0
TEMP (24H TREND) 65 (+2) 48 (-5) 61
RH % (24H TREND) 67 (-3) 100 (0) 62
20FT WND AM(MPH) N 8 G17 NE 7 G17
20FT WND PM(MPH) NE 7 LGT/VAR NE 9 G18
PRECIP AMOUNT 0.00 0.00 0.00
PRECIP DURATION
PRECIP BEGIN
PRECIP END
MIXING HGT (FT-AGL) 4000 450 4400
TRANSPORT WND (KTS) NE 13 NE 10 NE 15
VENT RATE (KT-FT) 52000 4500 66000
MAX ADI EARLY 35 FAIR 26 FAIR 45 GEN GOOD
MAX ADI LATE 67 GOOD 11 POOR 52 GEN GOOD
MAX LVORI EARLY 3 7 4
MAX LVORI LATE 3 7 4
MIN VSBY EARLY 4 FOG 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
TUESDAY NIGHT
MOSTLY CLOUDY. LOWS IN THE UPPER 40S. NORTHEAST
WINDS 5 TO 10 MPH.
WEDNESDAY THROUGH THURSDAY
MOSTLY CLOUDY. LOWS IN THE UPPER
40S. HIGHS IN THE LOWER 60S. NORTHEAST WINDS 10 TO 15 MPH.
THURSDAY NIGHT AND FRIDAY
MOSTLY CLOUDY WITH A CHANCE OF
SHOWERS. LOWS IN THE UPPER 40S. HIGHS IN THE LOWER 60S. NORTHEAST
WINDS 10 TO 15 MPH.
FRIDAY NIGHT AND SATURDAY
MOSTLY CLOUDY. SHOWERS LIKELY. LOWS
AROUND 50. HIGHS IN THE LOWER 60S. NORTH WINDS 10 TO 15 MPH.
SATURDAY NIGHT AND SUNDAY
MOSTLY CLOUDY. A CHANCE OF SHOWERS.
LOWS IN THE LOWER 50S. HIGHS IN THE MID 60S. NORTHEAST WINDS
10 TO 15 MPH.
RIZ002-212000-
SOUTHEAST PROVIDENCE RI-
INCLUDING THE CITY OF PROVIDENCE
407 AM EDT MON SEP 21 2026
TODAY TONIGHT TUE
CLOUD COVER PCLDY MCLDY MCLDY
PRECIP TYPE NONE NONE NONE
CHANCE PRECIP (%) 20 10 10
CHANCE OF THUNDER (%) 0 0 0
TEMP (24H TREND) 66 (+2) 50 (-5) 62
RH % (24H TREND) 67 (-2) 100 (0) 62
20FT WND AM(MPH) N 9 NE 8
20FT WND PM(MPH) NE 8 LGT/VAR NE 10 G18
PRECIP AMOUNT 0.00 0.00 0.00
PRECIP DURATION
PRECIP BEGIN
PRECIP END
MIXING HGT (FT-AGL) 3770 430 4480
TRANSPORT WND (KTS) N 15 NE 7 NE 15
VENT RATE (KT-FT) 56550 3010 67200
MAX ADI EARLY 14 GEN POOR 28 FAIR 45 GEN GOOD
MAX ADI LATE 49 GEN GOOD 11 POOR 50 GEN GOOD
MAX LVORI EARLY 5 7 4
MAX LVORI LATE 5 7 4
MIN VSBY EARLY 7 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
TUESDAY NIGHT
MOSTLY CLOUDY. LOWS IN THE UPPER 40S. NORTHEAST
WINDS 5 TO 10 MPH.
WEDNESDAY THROUGH THURSDAY
MOSTLY CLOUDY. LOWS IN THE UPPER
40S. HIGHS IN THE MID 60S. NORTHEAST WINDS 10 TO 15 MPH.
THURSDAY NIGHT AND FRIDAY
MOSTLY CLOUDY WITH A CHANCE OF
SHOWERS. LOWS AROUND 50. HIGHS IN THE LOWER 60S. NORTH WINDS
15 TO 20 MPH.
FRIDAY NIGHT AND SATURDAY
MOSTLY CLOUDY WITH SHOWERS LIKELY.
LOWS IN THE LOWER 50S. HIGHS IN THE LOWER 60S. NORTH WINDS 15 TO
20 MPH.
SATURDAY NIGHT AND SUNDAY
MOSTLY CLOUDY. A CHANCE OF SHOWERS.
LOWS IN THE LOWER 50S. HIGHS IN THE MID 60S. NORTH WINDS 10 TO
15 MPH.
RIZ003-212000-
WESTERN KENT RI-
INCLUDING THE CITIES OF COVENTRY AND WEST GREENWICH
407 AM EDT MON SEP 21 2026
TODAY TONIGHT TUE
CLOUD COVER PCLDY MCLDY MCLDY
PRECIP TYPE NONE NONE NONE
CHANCE PRECIP (%) 10 10 10
CHANCE OF THUNDER (%) 0 0 0
TEMP (24H TREND) 65 (+2) 49 (-5) 61
RH % (24H TREND) 67 (-8) 96 (-4) 62
20FT WND AM(MPH) N 9 G18 NE 8 G17
20FT WND PM(MPH) NE 8 LGT/VAR NE 10 G18
PRECIP AMOUNT 0.00 0.00 0.00
PRECIP DURATION
PRECIP BEGIN
PRECIP END
MIXING HGT (FT-AGL) 3700 430 4210
TRANSPORT WND (KTS) N 15 NE 11 NE 15
VENT RATE (KT-FT) 55500 4730 63150
MAX ADI EARLY 36 FAIR 23 FAIR 32 FAIR
MAX ADI LATE 55 GEN GOOD 11 POOR 53 GEN GOOD
MAX LVORI EARLY 6 7 5
MAX LVORI LATE 6 7 5
MIN VSBY EARLY 5 FOG 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
TUESDAY NIGHT
MOSTLY CLOUDY. LOWS IN THE UPPER 40S. NORTHEAST
WINDS 5 TO 10 MPH.
WEDNESDAY THROUGH THURSDAY
MOSTLY CLOUDY. LOWS IN THE UPPER
40S. HIGHS IN THE LOWER 60S. NORTHEAST WINDS 10 TO 15 MPH.
THURSDAY NIGHT AND FRIDAY
MOSTLY CLOUDY WITH A CHANCE OF
SHOWERS. LOWS IN THE UPPER 40S. HIGHS IN THE LOWER 60S. NORTH
WINDS 15 TO 20 MPH.
FRIDAY NIGHT AND SATURDAY
MOSTLY CLOUDY. SHOWERS LIKELY. LOWS
AROUND 50. HIGHS IN THE LOWER 60S. NORTH WINDS 15 TO 20 MPH.
SATURDAY NIGHT AND SUNDAY
MOSTLY CLOUDY. A CHANCE OF SHOWERS.
LOWS IN THE LOWER 50S. HIGHS IN THE MID 60S. NORTH WINDS 10 TO
15 MPH.
RIZ004-212000-
EASTERN KENT RI-
INCLUDING THE CITIES OF EAST GREENWICH, WARWICK, AND WEST WARWICK
407 AM EDT MON SEP 21 2026
TODAY TONIGHT TUE
CLOUD COVER PCLDY MCLDY MCLDY
PRECIP TYPE NONE NONE NONE
CHANCE PRECIP (%) 20 10 10
CHANCE OF THUNDER (%) 0 0 0
TEMP (24H TREND) 66 (+1) 51 (-4) 62
RH % (24H TREND) 65 (-2) 96 (-4) 60
20FT WND AM(MPH) N 10 G18 NE 9 G17
20FT WND PM(MPH) NE 9 G17 NE 5 NE 11 G19
PRECIP AMOUNT 0.00 0.00 0.00
PRECIP DURATION
PRECIP BEGIN
PRECIP END
MIXING HGT (FT-AGL) 3660 430 4380
TRANSPORT WND (KTS) NE 16 N 8 NE 15
VENT RATE (KT-FT) 58560 3440 65700
MAX ADI EARLY 14 GEN POOR 22 FAIR 18 GEN POOR
MAX ADI LATE 47 GEN GOOD 12 POOR 1 VERY POOR
MAX LVORI EARLY 5 6 4
MAX LVORI LATE 5 6 4
MIN VSBY EARLY 7 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
TUESDAY NIGHT
MOSTLY CLOUDY. LOWS IN THE UPPER 40S. NORTHEAST
WINDS 5 TO 10 MPH.
WEDNESDAY THROUGH THURSDAY
MOSTLY CLOUDY. LOWS AROUND 50.
HIGHS IN THE LOWER 60S. NORTHEAST WINDS 15 TO 20 MPH.
THURSDAY NIGHT AND FRIDAY
MOSTLY CLOUDY WITH A CHANCE OF
SHOWERS. LOWS IN THE LOWER 50S. HIGHS IN THE LOWER 60S. NORTH
WINDS 15 TO 20 MPH.
FRIDAY NIGHT AND SATURDAY
BREEZY. MOSTLY CLOUDY WITH SHOWERS
LIKELY. LOWS IN THE LOWER 50S. HIGHS IN THE MID 60S. NORTH WINDS
15 TO 25 MPH.
SATURDAY NIGHT AND SUNDAY
MOSTLY CLOUDY. A CHANCE OF SHOWERS.
LOWS IN THE LOWER 50S. HIGHS IN THE MID 60S. NORTH WINDS 15 TO
20 MPH.
RIZ005-212000-
BRISTOL RI-
INCLUDING THE CITY OF BRISTOL
407 AM EDT MON SEP 21 2026
TODAY TONIGHT TUE
CLOUD COVER PCLDY MCLDY MCLDY
PRECIP TYPE SHOWERS NONE NONE
CHANCE PRECIP (%) 20 10 10
CHANCE OF THUNDER (%) 0 0 0
TEMP (24H TREND) 66 (+1) 52 (-4) 63
RH % (24H TREND) 65 (-7) 93 (-7) 60
20FT WND AM(MPH) N 10 G18 NE 9 G18
20FT WND PM(MPH) NE 10 G18 NE 6 NE 11 G19
PRECIP AMOUNT 0.00 0.00 0.00
PRECIP DURATION
PRECIP BEGIN
PRECIP END
MIXING HGT (FT-AGL) 3430 420 4530
TRANSPORT WND (KTS) NE 17 NE 9 NE 15
VENT RATE (KT-FT) 58310 3780 67950
MAX ADI EARLY 14 GEN POOR 23 FAIR 18 GEN POOR
MAX ADI LATE 47 GEN GOOD 12 POOR 1 VERY POOR
MAX LVORI EARLY 6 6 4
MAX LVORI LATE 6 6 4
MIN VSBY EARLY 5 FOG 9 9
MIN VSBY LATE 9 9 9
SUNSHINE HOURS N/A N/A N/A
CWR 20 0 0
REMARKS...NONE.
FORECAST FOR DAYS 3 THROUGH 7
TUESDAY NIGHT
MOSTLY CLOUDY. LOWS IN THE UPPER 40S. NORTHEAST
WINDS 5 TO 10 MPH.
WEDNESDAY THROUGH THURSDAY
MOSTLY CLOUDY. LOWS IN THE LOWER
50S. HIGHS IN THE MID 60S. NORTHEAST WINDS 15 TO 20 MPH.
THURSDAY NIGHT AND FRIDAY
BREEZY. MOSTLY CLOUDY WITH A CHANCE
OF SHOWERS. LOWS IN THE LOWER 50S. HIGHS IN THE LOWER 60S. NORTH
WINDS 20 TO 25 MPH.
FRIDAY NIGHT AND SATURDAY
BREEZY. MOSTLY CLOUDY WITH SHOWERS
LIKELY. LOWS IN THE LOWER 50S. HIGHS IN THE MID 60S. NORTH WINDS
15 TO 25 MPH.
SATURDAY NIGHT AND SUNDAY
MOSTLY CLOUDY. A CHANCE OF SHOWERS.
LOWS IN THE MID 50S. HIGHS IN THE MID 60S. NORTH WINDS 15 TO
20 MPH.
RIZ006-212000-
WASHINGTON RI-
INCLUDING THE CITIES OF NARRAGANSETT AND WESTERLY
407 AM EDT MON SEP 21 2026
TODAY TONIGHT TUE
CLOUD COVER PCLDY MCLDY MCLDY
PRECIP TYPE SHOWERS NONE NONE
CHANCE PRECIP (%) 20 10 10
CHANCE OF THUNDER (%) 0 0 0
TEMP (24H TREND) 66 (+1) 50 (-6) 63
RH % (24H TREND) 65 (+3) 96 (-4) 62
20FT WND AM(MPH) N 11 G21 NE 10 G21
20FT WND PM(MPH) NE 9 G20 NE 6 NE 11 G23
PRECIP AMOUNT 0.00 0.00 0.00
PRECIP DURATION
PRECIP BEGIN
PRECIP END
MIXING HGT (FT-AGL) 3520 410 4190
TRANSPORT WND (KTS) NE 15 NE 11 NE 17
VENT RATE (KT-FT) 52800 4510 71230
MAX ADI EARLY 16 GEN POOR 24 FAIR 13 GEN POOR
MAX ADI LATE 44 GEN GOOD 13 GEN POOR 1 VERY POOR
MAX LVORI EARLY 5 7 4
MAX LVORI LATE 5 7 4
MIN VSBY EARLY 6 FOG 9 9
MIN VSBY LATE 9 9 9
SUNSHINE HOURS N/A N/A N/A
CWR 10 0 0
REMARKS...NONE.
FORECAST FOR DAYS 3 THROUGH 7
TUESDAY NIGHT
MOSTLY CLOUDY. LOWS IN THE UPPER 40S. NORTHEAST
WINDS 15 TO 20 MPH.
WEDNESDAY THROUGH THURSDAY
BREEZY. MOSTLY CLOUDY. LOWS AROUND
50. HIGHS IN THE MID 60S. NORTHEAST WINDS 15 TO 25 MPH.
THURSDAY NIGHT AND FRIDAY
WINDY. MOSTLY CLOUDY WITH A CHANCE
OF SHOWERS. LOWS AROUND 50. HIGHS IN THE LOWER 60S. NORTH WINDS
20 TO 30 MPH.
FRIDAY NIGHT AND SATURDAY
WINDY. MOSTLY CLOUDY WITH SHOWERS
LIKELY. LOWS IN THE LOWER 50S. HIGHS IN THE MID 60S. NORTH WINDS
20 TO 30 MPH.
SATURDAY NIGHT AND SUNDAY
MOSTLY CLOUDY. A CHANCE OF SHOWERS.
LOWS IN THE LOWER 50S. HIGHS IN THE MID 60S. NORTH WINDS 15 TO
20 MPH.
RIZ007-212000-
NEWPORT RI-
INCLUDING THE CITY OF NEWPORT
407 AM EDT MON SEP 21 2026
TODAY TONIGHT TUE
CLOUD COVER MCLDY MCLDY MCLDY
PRECIP TYPE SHOWERS NONE NONE
CHANCE PRECIP (%) 30 10 10
CHANCE OF THUNDER (%) 0 0 0
TEMP (24H TREND) 66 (+1) 52 (-5) 63
RH % (24H TREND) 68 (+5) 93 (-7) 63
20FT WND AM(MPH) N 12 G21 NE 11 G20
20FT WND PM(MPH) NE 11 G21 NE 8 NE 13 G22
PRECIP AMOUNT 0.00 0.00 0.00
PRECIP DURATION
PRECIP BEGIN
PRECIP END
MIXING HGT (FT-AGL) 3120 430 4130
TRANSPORT WND (KTS) NE 17 NE 11 NE 16
VENT RATE (KT-FT) 53040 4730 66080
MAX ADI EARLY 15 GEN POOR 25 FAIR 14 GEN POOR
MAX ADI LATE 40 FAIR 13 GEN POOR 1 VERY POOR
MAX LVORI EARLY 6 5 4
MAX LVORI LATE 6 5 4
MIN VSBY EARLY 4 FOG 9 9
MIN VSBY LATE 9 9 9
SUNSHINE HOURS N/A N/A N/A
CWR 20 0 0
REMARKS...NONE.
FORECAST FOR DAYS 3 THROUGH 7
TUESDAY NIGHT
MOSTLY CLOUDY. LOWS IN THE LOWER 50S. NORTHEAST
WINDS 15 TO 20 MPH.
WEDNESDAY THROUGH THURSDAY
BREEZY. MOSTLY CLOUDY. LOWS IN THE
LOWER 50S. HIGHS IN THE MID 60S. NORTHEAST WINDS 15 TO 25 MPH.
THURSDAY NIGHT
BREEZY. MOSTLY CLOUDY WITH A CHANCE OF SHOWERS.
LOWS IN THE LOWER 50S. NORTHEAST WINDS 15 TO 25 MPH.
FRIDAY THROUGH SATURDAY
WINDY. MOSTLY CLOUDY WITH SHOWERS
LIKELY. LOWS IN THE MID 50S. HIGHS IN THE MID 60S. NORTH WINDS
20 TO 30 MPH.
SATURDAY NIGHT AND SUNDAY
MOSTLY CLOUDY. A CHANCE OF SHOWERS.
LOWS IN THE MID 50S. HIGHS IN THE MID 60S. NORTH WINDS 15 TO
20 MPH.
RIZ008-212000-
BLOCK ISLAND RI-
INCLUDING THE CITY OF NEW SHOREHAM
407 AM EDT MON SEP 21 2026
TODAY TONIGHT TUE
CLOUD COVER MCLDY MCLDY MCLDY
PRECIP TYPE SHOWERS NONE SHOWERS
CHANCE PRECIP (%) 30 20 20
CHANCE OF THUNDER (%) 0 0 0
TEMP (24H TREND) 66 (0) 58 (-2) 64
RH % (24H TREND) 73 (+11) 90 (-10) 68
20FT WND AM(MPH) NE 15 G23 NE 15 G24
20FT WND PM(MPH) NE 14 G23 NE 12 G19 NE 17 G25
PRECIP AMOUNT 0.02 0.00 0.00
PRECIP DURATION 1
PRECIP BEGIN 6 AM
PRECIP END 10 AM
MIXING HGT (FT-AGL) 3050 2010 4700
TRANSPORT WND (KTS) NE 19 NE 20 NE 19
VENT RATE (KT-FT) 57950 40200 89300
MAX ADI EARLY 20 GEN POOR 32 FAIR 31 FAIR
MAX ADI LATE 1 VERY POOR 32 FAIR 1 VERY POOR
MAX LVORI EARLY 7 4 5
MAX LVORI LATE 7 4 5
MIN VSBY EARLY 6 FOG 9 9
MIN VSBY LATE 9 9 9
SUNSHINE HOURS N/A N/A N/A
CWR 30 0 10
REMARKS...NONE.
FORECAST FOR DAYS 3 THROUGH 7
TUESDAY NIGHT
MOSTLY CLOUDY. LOWS IN THE MID 50S. NORTHEAST
WINDS 15 TO 20 MPH.
WEDNESDAY THROUGH THURSDAY
BREEZY. MOSTLY CLOUDY. LOWS IN THE
UPPER 50S. HIGHS IN THE MID 60S. NORTHEAST WINDS 20 TO 25 MPH.
THURSDAY NIGHT
BREEZY. MOSTLY CLOUDY WITH A CHANCE OF SHOWERS.
LOWS IN THE UPPER 50S. NORTHEAST WINDS 20 TO 25 MPH.
FRIDAY AND FRIDAY NIGHT
WINDY. MOSTLY CLOUDY WITH SHOWERS
LIKELY. LOWS IN THE UPPER 50S. HIGHS IN THE LOWER 60S. NORTH
WINDS 20 TO 30 MPH.
SATURDAY
WINDY. MOSTLY CLOUDY WITH SHOWERS LIKELY. HIGHS IN
THE MID 60S. NORTH WINDS 20 TO 30 MPH.
SATURDAY NIGHT AND SUNDAY
BREEZY. MOSTLY CLOUDY. A CHANCE OF
SHOWERS. LOWS IN THE UPPER 50S. HIGHS IN THE MID 60S. NORTHEAST
WINDS 15 TO 25 MPH.
MAZ017-212000-
NORTHERN BRISTOL MA-
INCLUDING THE CITY OF TAUNTON
407 AM EDT MON SEP 21 2026
TODAY TONIGHT TUE
CLOUD COVER PCLDY MCLDY MCLDY
PRECIP TYPE NONE NONE NONE
CHANCE PRECIP (%) 20 10
CHANCE OF THUNDER (%) 0 0 0
TEMP (24H TREND) 65 (+2) 48 (-5) 62
RH % (24H TREND) 65 (-5) 100 (0) 64
20FT WND AM(MPH) N 8 G18 NE 7 G18
20FT WND PM(MPH) NE 7 G17 LGT/VAR NE 9 G19
PRECIP AMOUNT 0.00 0.00 0.00
PRECIP DURATION
PRECIP BEGIN
PRECIP END
MIXING HGT (FT-AGL) 3480 410 4520
TRANSPORT WND (KTS) NE 16 NE 7 NE 16
VENT RATE (KT-FT) 55680 2870 72320
MAX ADI EARLY 13 GEN POOR 26 FAIR 46 GEN GOOD
MAX ADI LATE 52 GEN GOOD 8 POOR 50 GEN GOOD
MAX LVORI EARLY 4 8 4
MAX LVORI LATE 4 8 4
MIN VSBY EARLY 5 FOG 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
TUESDAY NIGHT
MOSTLY CLOUDY. LOWS IN THE MID 40S. NORTHEAST
WINDS 5 TO 10 MPH.
WEDNESDAY THROUGH THURSDAY
MOSTLY CLOUDY. LOWS IN THE UPPER
40S. HIGHS IN THE MID 60S. NORTHEAST WINDS 10 TO 15 MPH.
THURSDAY NIGHT AND FRIDAY
MOSTLY CLOUDY WITH A CHANCE OF
SHOWERS. LOWS IN THE UPPER 40S. HIGHS IN THE LOWER 60S. NORTHEAST
WINDS 10 TO 15 MPH.
FRIDAY NIGHT
CLOUDY WITH SHOWERS LIKELY. LOWS IN THE UPPER
40S. NORTHEAST WINDS 10 TO 15 MPH.
SATURDAY
MOSTLY CLOUDY WITH SHOWERS LIKELY. HIGHS IN THE LOWER
60S. NORTH WINDS 10 TO 15 MPH.
SATURDAY NIGHT AND SUNDAY
MOSTLY CLOUDY. A CHANCE OF SHOWERS.
LOWS AROUND 50. HIGHS IN THE MID 60S. NORTHEAST WINDS 10 TO
15 MPH.
MAZ018-212000-
WESTERN PLYMOUTH MA-
INCLUDING THE CITY OF BROCKTON
407 AM EDT MON SEP 21 2026
TODAY TONIGHT TUE
CLOUD COVER MCLDY MCLDY MCLDY
PRECIP TYPE SHOWERS NONE NONE
CHANCE PRECIP (%) 20 10
CHANCE OF THUNDER (%) 0 0 0
TEMP (24H TREND) 65 (+2) 48 (-5) 62
RH % (24H TREND) 65 (-5) 100 (0) 64
20FT WND AM(MPH) N 9 G21 NE 8 G21
20FT WND PM(MPH) NE 8 G20 LGT/VAR NE 9 G21
PRECIP AMOUNT 0.00 0.00 0.00
PRECIP DURATION
PRECIP BEGIN
PRECIP END
MIXING HGT (FT-AGL) 2970 410 4460
TRANSPORT WND (KTS) NE 17 NE 8 NE 16
VENT RATE (KT-FT) 50490 3280 71360
MAX ADI EARLY 13 GEN POOR 27 FAIR 38 FAIR
MAX ADI LATE 44 GEN GOOD 12 POOR 1 VERY POOR
MAX LVORI EARLY 5 6 4
MAX LVORI LATE 5 6 4
MIN VSBY EARLY 4 FOG 9 9
MIN VSBY LATE 9 9 9
SUNSHINE HOURS N/A N/A N/A
CWR 20 0 0
REMARKS...NONE.
FORECAST FOR DAYS 3 THROUGH 7
TUESDAY NIGHT
MOSTLY CLOUDY. LOWS IN THE UPPER 40S. NORTHEAST
WINDS 10 TO 15 MPH.
WEDNESDAY THROUGH THURSDAY
MOSTLY CLOUDY. LOWS IN THE UPPER
40S. HIGHS IN THE LOWER 60S. NORTHEAST WINDS 10 TO 15 MPH.
THURSDAY NIGHT AND FRIDAY
MOSTLY CLOUDY WITH A CHANCE OF
SHOWERS. LOWS IN THE UPPER 40S. HIGHS IN THE LOWER 60S. NORTHEAST
WINDS 15 TO 20 MPH.
FRIDAY NIGHT
CLOUDY WITH SHOWERS LIKELY. LOWS IN THE UPPER
40S. NORTHEAST WINDS 15 TO 20 MPH.
SATURDAY AND SATURDAY NIGHT
MOSTLY CLOUDY WITH SHOWERS LIKELY.
LOWS AROUND 50. HIGHS IN THE MID 60S. NORTH WINDS 15 TO 20 MPH.
SUNDAY
PARTLY SUNNY WITH A CHANCE OF SHOWERS. HIGHS IN THE MID
60S. NORTH WINDS 10 TO 15 MPH.
MAZ019-212000-
EASTERN PLYMOUTH MA-
INCLUDING THE CITY OF PLYMOUTH
407 AM EDT MON SEP 21 2026
TODAY TONIGHT TUE
CLOUD COVER MCLDY MCLDY MCLDY
PRECIP TYPE SHOWERS NONE NONE
CHANCE PRECIP (%) 30 10
CHANCE OF THUNDER (%) 0 0 0
TEMP (24H TREND) 65 (+1) 50 (-5) 64
RH % (24H TREND) 65 (0) 93 (-7) 62
20FT WND AM(MPH) N 12 G23 NE 12 G22
20FT WND PM(MPH) NE 11 G22 NE 6 NE 12 G23
PRECIP AMOUNT 0.01 0.00 0.00
PRECIP DURATION 0
PRECIP BEGIN 6 AM
PRECIP END 9 AM
MIXING HGT (FT-AGL) 2700 420 4170
TRANSPORT WND (KTS) NE 17 NE 13 NE 16
VENT RATE (KT-FT) 45900 5460 66720
MAX ADI EARLY 1 VERY POOR 25 FAIR 17 GEN POOR
MAX ADI LATE 37 FAIR 17 GEN POOR 1 VERY POOR
MAX LVORI EARLY 5 4 4
MAX LVORI LATE 5 4 4
MIN VSBY EARLY 3 FOG 9 9
MIN VSBY LATE 9 9 9
SUNSHINE HOURS N/A N/A N/A
CWR 20 0 0
REMARKS...NONE.
FORECAST FOR DAYS 3 THROUGH 7
TUESDAY NIGHT
MOSTLY CLOUDY. LOWS AROUND 50. NORTHEAST WINDS
15 TO 20 MPH.
WEDNESDAY THROUGH THURSDAY
MOSTLY CLOUDY. LOWS IN THE LOWER
50S. HIGHS IN THE LOWER 60S. NORTHEAST WINDS 15 TO 20 MPH.
THURSDAY NIGHT AND FRIDAY
WINDY. MOSTLY CLOUDY WITH A CHANCE
OF SHOWERS. LOWS IN THE LOWER 50S. HIGHS IN THE LOWER 60S.
NORTHEAST WINDS 20 TO 30 MPH.
FRIDAY NIGHT
WINDY. CLOUDY WITH SHOWERS LIKELY. LOWS IN THE
LOWER 50S. NORTHEAST WINDS 20 TO 30 MPH.
SATURDAY AND SATURDAY NIGHT
WINDY. MOSTLY CLOUDY WITH SHOWERS
LIKELY. LOWS IN THE MID 50S. HIGHS IN THE MID 60S. NORTHEAST
WINDS 20 TO 30 MPH.
SUNDAY
BREEZY. PARTLY SUNNY WITH A CHANCE OF SHOWERS. HIGHS IN
THE MID 60S. NORTHEAST WINDS 15 TO 25 MPH.
MAZ020-212000-
SOUTHERN BRISTOL MA-
INCLUDING THE CITIES OF FALL RIVER AND NEW BEDFORD
407 AM EDT MON SEP 21 2026
TODAY TONIGHT TUE
CLOUD COVER MCLDY MCLDY MCLDY
PRECIP TYPE SHOWERS NONE NONE
CHANCE PRECIP (%) 30 10 10
CHANCE OF THUNDER (%) 0 0 0
TEMP (24H TREND) 66 (+1) 49 (-6) 63
RH % (24H TREND) 68 (+6) 96 (-4) 65
20FT WND AM(MPH) N 11 G22 NE 10 G21
20FT WND PM(MPH) NE 10 G22 NE 6 G17 NE 12 G23
PRECIP AMOUNT 0.01 0.00 0.00
PRECIP DURATION 1
PRECIP BEGIN 6 AM
PRECIP END 10 AM
MIXING HGT (FT-AGL) 3190 400 4380
TRANSPORT WND (KTS) NE 17 NE 10 NE 16
VENT RATE (KT-FT) 54230 4000 70080
MAX ADI EARLY 13 GEN POOR 26 FAIR 16 GEN POOR
MAX ADI LATE 43 GEN GOOD 12 POOR 1 VERY POOR
MAX LVORI EARLY 6 6 4
MAX LVORI LATE 6 6 4
MIN VSBY EARLY 3 FOG 9 9
MIN VSBY LATE 9 9 9
SUNSHINE HOURS N/A N/A N/A
CWR 20 0 0
REMARKS...NONE.
FORECAST FOR DAYS 3 THROUGH 7
TUESDAY NIGHT
MOSTLY CLOUDY. LOWS IN THE UPPER 40S. NORTHEAST
WINDS 15 TO 20 MPH.
WEDNESDAY THROUGH THURSDAY
BREEZY. MOSTLY CLOUDY. LOWS AROUND
50. HIGHS IN THE MID 60S. NORTHEAST WINDS 15 TO 25 MPH.
THURSDAY NIGHT
BREEZY. MOSTLY CLOUDY WITH A CHANCE OF SHOWERS.
LOWS IN THE LOWER 50S. NORTHEAST WINDS 20 TO 25 MPH.
FRIDAY THROUGH SATURDAY NIGHT
WINDY. MOSTLY CLOUDY WITH
SHOWERS LIKELY. LOWS IN THE LOWER 50S. HIGHS IN THE MID 60S.
NORTH WINDS 20 TO 30 MPH.
SUNDAY
PARTLY SUNNY WITH A CHANCE OF SHOWERS. HIGHS IN THE MID
60S. NORTH WINDS 15 TO 20 MPH.
MAZ021-212000-
SOUTHERN PLYMOUTH MA-
INCLUDING THE CITY OF MATTAPOISETT
407 AM EDT MON SEP 21 2026
TODAY TONIGHT TUE
CLOUD COVER MCLDY MCLDY MCLDY
PRECIP TYPE SHOWERS NONE NONE
CHANCE PRECIP (%) 40 10 10
CHANCE OF THUNDER (%) 0 0 0
TEMP (24H TREND) 66 (+1) 49 (-6) 64
RH % (24H TREND) 70 (+1) 96 (-4) 67
20FT WND AM(MPH) N 10 G22 NE 10 G22
20FT WND PM(MPH) NE 10 G22 NE 6 NE 11 G23
PRECIP AMOUNT 0.01 0.00 0.00
PRECIP DURATION 1
PRECIP BEGIN 6 AM
PRECIP END 10 AM
MIXING HGT (FT-AGL) 2890 400 4270
TRANSPORT WND (KTS) NE 18 NE 12 NE 16
VENT RATE (KT-FT) 52020 4800 68320
MAX ADI EARLY 1 VERY POOR 27 FAIR 13 GEN POOR
MAX ADI LATE 43 GEN GOOD 13 GEN POOR 1 VERY POOR
MAX LVORI EARLY 6 5 4
MAX LVORI LATE 6 5 4
MIN VSBY EARLY 3 FOG 9 9
MIN VSBY LATE 9 9 9
SUNSHINE HOURS N/A N/A N/A
CWR 30 0 0
REMARKS...NONE.
FORECAST FOR DAYS 3 THROUGH 7
TUESDAY NIGHT
MOSTLY CLOUDY. LOWS IN THE UPPER 40S. NORTHEAST
WINDS 10 TO 15 MPH.
WEDNESDAY THROUGH THURSDAY
BREEZY. MOSTLY CLOUDY. LOWS AROUND
50. HIGHS IN THE MID 60S. NORTHEAST WINDS 20 TO 25 MPH.
THURSDAY NIGHT
BREEZY. MOSTLY CLOUDY WITH A CHANCE OF SHOWERS.
LOWS IN THE LOWER 50S. NORTHEAST WINDS 15 TO 25 MPH.
FRIDAY THROUGH SATURDAY NIGHT
BREEZY. MOSTLY CLOUDY WITH
SHOWERS LIKELY. LOWS IN THE LOWER 50S. HIGHS IN THE MID 60S.
NORTH WINDS 15 TO 25 MPH.
SUNDAY
PARTLY SUNNY WITH A CHANCE OF SHOWERS. HIGHS IN THE MID
60S. NORTH WINDS 15 TO 20 MPH.
MAZ022-212000-
BARNSTABLE MA-
INCLUDING THE CITIES OF CHATHAM, FALMOUTH, AND PROVINCETOWN
407 AM EDT MON SEP 21 2026
TODAY TONIGHT TUE
CLOUD COVER MCLDY MCLDY MCLDY
PRECIP TYPE SHOWERS NONE NONE
CHANCE PRECIP (%) 50 10 10
CHANCE OF THUNDER (%) 0 0 0
TEMP (24H TREND) 66 (+1) 53 (-3) 65
RH % (24H TREND) 73 (+11) 96 (-4) 63
20FT WND AM(MPH) N 10 G23 NE 11 G21
20FT WND PM(MPH) NE 11 G22 NE 8 G17 NE 11 G23
PRECIP AMOUNT 0.03 0.00 0.00
PRECIP DURATION 1
PRECIP BEGIN 6 AM
PRECIP END 11 AM
MIXING HGT (FT-AGL) 2520 420 4210
TRANSPORT WND (KTS) NE 18 NE 15 NE 17
VENT RATE (KT-FT) 45360 6300 71570
MAX ADI EARLY 1 VERY POOR 17 GEN POOR 1 VERY POOR
MAX ADI LATE 1 VERY POOR 19 GEN POOR 1 VERY POOR
MAX LVORI EARLY 6 4 4
MAX LVORI LATE 6 4 4
MIN VSBY EARLY 3 FOG 8 9
MIN VSBY LATE 8 9 9
SUNSHINE HOURS N/A N/A N/A
CWR 40 0 0
REMARKS...NONE.
FORECAST FOR DAYS 3 THROUGH 7
TUESDAY NIGHT
MOSTLY CLOUDY. LOWS IN THE LOWER 50S. NORTHEAST
WINDS 10 TO 15 MPH.
WEDNESDAY THROUGH THURSDAY
BREEZY. MOSTLY CLOUDY. LOWS IN THE
LOWER 50S. HIGHS IN THE MID 60S. NORTHEAST WINDS 15 TO 25 MPH.
THURSDAY NIGHT
BREEZY. MOSTLY CLOUDY WITH A CHANCE OF SHOWERS.
LOWS IN THE MID 50S. NORTHEAST WINDS 15 TO 25 MPH.
FRIDAY AND FRIDAY NIGHT
BREEZY. MOSTLY CLOUDY WITH SHOWERS
LIKELY. LOWS IN THE MID 50S. HIGHS IN THE MID 60S. NORTHEAST
WINDS 15 TO 25 MPH.
SATURDAY
WINDY. MOSTLY CLOUDY WITH SHOWERS LIKELY. HIGHS IN
THE MID 60S. NORTHEAST WINDS 20 TO 30 MPH.
SATURDAY NIGHT
BREEZY. MOSTLY CLOUDY WITH SHOWERS LIKELY. LOWS
IN THE MID 50S. NORTHEAST WINDS 15 TO 25 MPH.
SUNDAY
PARTLY SUNNY WITH A CHANCE OF SHOWERS. HIGHS IN THE MID
60S. NORTHEAST WINDS 15 TO 20 MPH.
MAZ023-212000-
DUKES MA-
INCLUDING THE CITY OF VINEYARD HAVEN
407 AM EDT MON SEP 21 2026
TODAY TONIGHT TUE
CLOUD COVER MCLDY MCLDY MCLDY
PRECIP TYPE SHOWERS NONE NONE
CHANCE PRECIP (%) 50 10 10
CHANCE OF THUNDER (%) 0 0 0
TEMP (24H TREND) 68 (+2) 52 (-6) 64
RH % (24H TREND) 73 (+11) 90 (-10) 68
20FT WND AM(MPH) NE 13 G24 NE 14 G23
20FT WND PM(MPH) NE 14 G24 NE 11 G19 NE 15 G25
PRECIP AMOUNT 0.06 0.00 0.00
PRECIP DURATION 1
PRECIP BEGIN 6 AM
PRECIP END 11 AM
MIXING HGT (FT-AGL) 2760 1920 4340
TRANSPORT WND (KTS) NE 19 NE 19 NE 18
VENT RATE (KT-FT) 52440 36480 78120
MAX ADI EARLY 1 VERY POOR 29 FAIR 30 FAIR
MAX ADI LATE 1 VERY POOR 29 FAIR 1 VERY POOR
MAX LVORI EARLY 7 3 5
MAX LVORI LATE 7 3 5
MIN VSBY EARLY 3 FOG 8 9
MIN VSBY LATE 8 9 9
SUNSHINE HOURS N/A N/A N/A
CWR 50 0 0
REMARKS...NONE.
FORECAST FOR DAYS 3 THROUGH 7
TUESDAY NIGHT
MOSTLY CLOUDY. LOWS IN THE LOWER 50S. NORTHEAST
WINDS 15 TO 20 MPH.
WEDNESDAY THROUGH THURSDAY
WINDY. MOSTLY CLOUDY. LOWS IN THE
MID 50S. HIGHS IN THE MID 60S. NORTHEAST WINDS 20 TO 30 MPH.
THURSDAY NIGHT
WINDY. MOSTLY CLOUDY WITH A CHANCE OF SHOWERS.
LOWS IN THE MID 50S. NORTHEAST WINDS 20 TO 30 MPH.
FRIDAY THROUGH SATURDAY NIGHT
WINDY. MOSTLY CLOUDY WITH
SHOWERS LIKELY. LOWS IN THE MID 50S. HIGHS IN THE MID 60S.
NORTHEAST WINDS 20 TO 30 MPH.
SUNDAY
BREEZY. PARTLY SUNNY WITH A CHANCE OF SHOWERS. HIGHS IN
THE MID 60S. NORTHEAST WINDS 15 TO 25 MPH.
MAZ024-212000-
NANTUCKET MA-
INCLUDING THE CITY OF NANTUCKET
407 AM EDT MON SEP 21 2026
TODAY TONIGHT TUE
CLOUD COVER MCLDY MCLDY MCLDY
PRECIP TYPE SHOWERS NONE SHOWERS
CHANCE PRECIP (%) 70 20 20
CHANCE OF THUNDER (%) 0 0 0
TEMP (24H TREND) 67 (+2) 55 (-4) 64
RH % (24H TREND) 81 (+12) 93 (-7) 73
20FT WND AM(MPH) NE 11 G22 NE 16 G23
20FT WND PM(MPH) NE 14 G22 NE 13 G20 NE 15 G24
PRECIP AMOUNT 0.13 0.00 0.00
PRECIP DURATION 2
PRECIP BEGIN 6 AM
PRECIP END 12 PM
MIXING HGT (FT-AGL) 2540 2260 3950
TRANSPORT WND (KTS) NE 22 NE 21 NE 19
VENT RATE (KT-FT) 55880 47460 75050
MAX ADI EARLY 1 VERY POOR 34 FAIR 1 VERY POOR
MAX ADI LATE 1 VERY POOR 32 FAIR 1 VERY POOR
MAX LVORI EARLY 8 4 6
MAX LVORI LATE 8 4 6
MIN VSBY EARLY 2 FOG 7 9
MIN VSBY LATE 4 FOG 9 9
SUNSHINE HOURS N/A N/A N/A
CWR 70 0 10
REMARKS...NONE.
FORECAST FOR DAYS 3 THROUGH 7
TUESDAY NIGHT
MOSTLY CLOUDY. LOWS IN THE MID 50S. NORTHEAST
WINDS 15 TO 20 MPH.
WEDNESDAY THROUGH THURSDAY
BREEZY. MOSTLY CLOUDY. LOWS IN THE
MID 50S. HIGHS IN THE LOWER 60S. NORTHEAST WINDS 15 TO 25 MPH.
THURSDAY NIGHT
WINDY. CLOUDY WITH A CHANCE OF SHOWERS. LOWS IN
THE MID 50S. NORTHEAST WINDS 20 TO 30 MPH.
FRIDAY
WINDY. MOSTLY CLOUDY WITH SHOWERS LIKELY. HIGHS IN THE
MID 60S. NORTHEAST WINDS 20 TO 30 MPH.
FRIDAY NIGHT
WINDY. MOSTLY CLOUDY WITH SHOWERS LIKELY. LOWS IN
THE UPPER 50S. NORTHEAST WINDS 25 TO 35 MPH.
SATURDAY AND SATURDAY NIGHT
WINDY. MOSTLY CLOUDY WITH SHOWERS
LIKELY. LOWS IN THE UPPER 50S. HIGHS IN THE MID 60S. NORTHEAST
WINDS 25 TO 35 MPH.
SUNDAY
BREEZY. PARTLY SUNNY WITH A CHANCE OF SHOWERS. HIGHS IN
THE MID 60S. NORTHEAST WINDS 15 TO 25 MPH.
OUTLOOK 8 TO 14 DAYS
TEMPERATURES ABOVE NORMAL. PRECIPITATION ABOVE NORMAL.
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