284  
FNUS51 KBOX 180810  
FWFBOX  
 
FIRE WEATHER PLANNING FORECAST FOR SOUTHERN NEW ENGLAND  
NATIONAL WEATHER SERVICE BOSTON/NORTON MA  
409 AM EDT THU SEP 18 2025  
   
DISCUSSION  
 
RAIN SHOWERS CLEAR OUT THROUGH THIS MORNING, LEAVING DRY  
CONDITIONS AND CLEARER SKIES IN THEIR WAKE AS LOW PRESSURE MOVES  
OFFSHORE. DRIER AIR MOVES IN TOMORROW BEHIND A COLD FRONT FROM  
THE NORTH ALONG WITH BREEZIER NW WINDS THAT MAY GUST TO 20 MPH.  
 
MINIMUM AFTERNOON RELATIVE HUMIDITY VALUES TODAY BETWEEN 35 AND  
65 FOR MUCH OF THE REGION, WITH VALUES UP TO 80 PERCENT OVER THE  
CAPE AND ISLANDS. DRIER TOMORROW THERE AS VALUES RANGE BETWEEN  
35 AND 65 PERCENT ACROSS ALL OF SOUTHERN NEW ENGLAND.  
   
OUTLOOK...FRIDAY NIGHT THROUGH TUESDAY  
 
AN EXTENDED PERIOD OF DRY WEATHER CONTINUES INTO EARLY NEXT WEEK.  
TEMPERATURES BECOME MORE FALL-LIKE THROUGH THE WEEKEND BEFORE A  
WARMING TREND KICKS OFF EARLY NEXT WEEK.  
 
MAZ015-182000-  
SUFFOLK MA-  
INCLUDING THE CITIES OF BOSTON, CHELSEA, REVERE, AND WINTHROP  
409 AM EDT THU SEP 18 2025  
 
TODAY TONIGHT FRI  
 
CLOUD COVER PCLDY MCLEAR MCLEAR  
PRECIP TYPE SHOWERS NONE NONE  
CHANCE PRECIP (%) 20  
CHANCE OF THUNDER (%) 0 0 0  
TEMP (24H TREND) 79 (+8) 59 (+1) 78  
RH % (24H TREND) 60 (-1) 90 (-10) 45  
20FT WND AM(MPH) LGT/VAR NW 6  
20FT WND PM(MPH) LGT/VAR LGT/VAR NW 7  
PRECIP AMOUNT 0.00 0.00 0.00  
PRECIP DURATION  
PRECIP BEGIN  
PRECIP END  
MIXING HGT (FT-AGL) 2780 370 5870  
TRANSPORT WND (KTS) W 5 S 5 NW 12  
VENT RATE (KT-FT) 13900 1850 70440  
MAX ADI EARLY 1 VERY POOR 7 POOR 45 GEN GOOD  
MAX ADI LATE 12 POOR 5 VERY POOR 45 GEN GOOD  
MAX LVORI EARLY 5 4 1  
MAX LVORI LATE 5 4 1  
MIN VSBY EARLY 4 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  
   
FRIDAY NIGHT  
CLEAR. LOWS IN THE LOWER 50S. NORTH WINDS 5 TO  
10 MPH.    
SATURDAY  
SUNNY. HIGHS IN THE UPPER 60S. NORTHEAST WINDS 5 TO  
10 MPH.    
SATURDAY NIGHT  
MOSTLY CLEAR. LOWS IN THE UPPER 40S. SOUTHEAST  
WINDS AROUND 5 MPH, BECOMING WEST AFTER MIDNIGHT.    
SUNDAY  
SUNNY. HIGHS IN THE UPPER 60S. NORTH WINDS AROUND  
5 MPH, BECOMING SOUTHEAST IN THE AFTERNOON.    
SUNDAY NIGHT  
PARTLY CLOUDY. LOWS IN THE LOWER 50S. SOUTH WINDS  
5 TO 10 MPH.    
MONDAY  
SUNNY. HIGHS IN THE MID 70S. SOUTHWEST WINDS 5 TO  
10 MPH.    
MONDAY NIGHT THROUGH TUESDAY NIGHT  
PARTLY CLOUDY. LOWS IN THE  
LOWER 60S. HIGHS IN THE LOWER 80S. WEST WINDS 5 TO 10 MPH.    
WEDNESDAY  
PARTLY SUNNY WITH A CHANCE OF SHOWERS. HIGHS IN THE  
MID 70S. NORTH WINDS 5 TO 10 MPH.  
 
 
 
MAZ016-182000-  
EASTERN NORFOLK MA-  
INCLUDING THE CITIES OF BRAINTREE, MILTON, QUINCY, AND WEYMOUTH  
409 AM EDT THU SEP 18 2025  
 
TODAY TONIGHT FRI  
 
CLOUD COVER PCLDY MCLEAR MCLEAR  
PRECIP TYPE SHOWERS NONE NONE  
CHANCE PRECIP (%) 20  
CHANCE OF THUNDER (%) 0 0 0  
TEMP (24H TREND) 78 (+7) 58 (0) 78  
RH % (24H TREND) 62 (-2) 93 (-7) 49  
20FT WND AM(MPH) LGT/VAR NW 5  
20FT WND PM(MPH) LGT/VAR LGT/VAR N 6  
PRECIP AMOUNT 0.00 0.00 0.00  
PRECIP DURATION  
PRECIP BEGIN  
PRECIP END  
MIXING HGT (FT-AGL) 2620 360 5520  
TRANSPORT WND (KTS) W 5 S 7 NW 11  
VENT RATE (KT-FT) 13100 2520 60720  
MAX ADI EARLY 1 VERY POOR 6 VERY POOR 65 GOOD  
MAX ADI LATE 15 GEN POOR 5 VERY POOR 83 GOOD  
MAX LVORI EARLY 6 5 1  
MAX LVORI LATE 6 5 1  
MIN VSBY EARLY 3 FOG 8 9  
MIN VSBY LATE 9 8 9  
SUNSHINE HOURS N/A N/A N/A  
CWR 20 0 0  
 
REMARKS...NONE.  
   
FORECAST FOR DAYS 3 THROUGH 7  
   
FRIDAY NIGHT  
MOSTLY CLEAR. LOWS IN THE LOWER 50S. NORTH WINDS  
5 TO 10 MPH.    
SATURDAY  
SUNNY. HIGHS IN THE UPPER 60S. NORTHEAST WINDS 5 TO  
10 MPH.    
SATURDAY NIGHT  
MOSTLY CLEAR. LOWS IN THE UPPER 40S. SOUTHEAST  
WINDS AROUND 5 MPH, BECOMING SOUTHWEST AFTER MIDNIGHT.    
SUNDAY  
SUNNY. HIGHS IN THE UPPER 60S. NORTH WINDS AROUND  
5 MPH, BECOMING SOUTHEAST IN THE AFTERNOON.    
SUNDAY NIGHT  
PARTLY CLOUDY. LOWS AROUND 50. SOUTH WINDS 5 TO  
10 MPH.    
MONDAY  
SUNNY. HIGHS IN THE MID 70S. SOUTHWEST WINDS 5 TO  
10 MPH.    
MONDAY NIGHT AND TUESDAY  
PARTLY CLOUDY. LOWS IN THE UPPER 50S.  
HIGHS IN THE LOWER 80S. SOUTHWEST WINDS 5 TO 10 MPH.    
TUESDAY NIGHT  
MOSTLY CLOUDY. LOWS IN THE LOWER 60S. SOUTHWEST  
WINDS 5 TO 10 MPH.    
WEDNESDAY  
PARTLY SUNNY WITH A CHANCE OF SHOWERS. HIGHS IN THE  
MID 70S. NORTHWEST WINDS 5 TO 10 MPH, BECOMING NORTH IN THE  
AFTERNOON.  
 
 
 
MAZ013-182000-  
WESTERN NORFOLK MA-  
INCLUDING THE CITIES OF BELLINGHAM, DEDHAM, FOXBOROUGH, MEDFIELD,  
NORWOOD, STOUGHTON, AND WELLESLEY  
409 AM EDT THU SEP 18 2025  
 
TODAY TONIGHT FRI  
 
CLOUD COVER PCLDY MCLEAR MCLEAR  
PRECIP TYPE NONE NONE NONE  
CHANCE PRECIP (%) 20  
CHANCE OF THUNDER (%) 0 0 0  
TEMP (24H TREND) 78 (+5) 57 (+1) 78  
RH % (24H TREND) 58 (-1) 97 (-3) 45  
20FT WND AM(MPH) LGT/VAR LGT/VAR  
20FT WND PM(MPH) LGT/VAR LGT/VAR NW 5  
PRECIP AMOUNT 0.00 0.00 0.00  
PRECIP DURATION  
PRECIP BEGIN  
PRECIP END  
MIXING HGT (FT-AGL) 3600 340 5780  
TRANSPORT WND (KTS) W 7 SW 7 NW 12  
VENT RATE (KT-FT) 25200 2380 69360  
MAX ADI EARLY 9 POOR 12 POOR 67 GOOD  
MAX ADI LATE 37 FAIR 5 VERY POOR 87 GOOD  
MAX LVORI EARLY 5 6 1  
MAX LVORI LATE 5 6 1  
MIN VSBY EARLY 4 FOG 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  
   
FRIDAY NIGHT  
MOSTLY CLEAR. LOWS IN THE UPPER 40S. NORTH WINDS  
AROUND 5 MPH.    
SATURDAY  
SUNNY. HIGHS IN THE UPPER 60S. NORTHEAST WINDS AROUND  
5 MPH.    
SATURDAY NIGHT  
MOSTLY CLEAR. LOWS IN THE MID 40S. SOUTHEAST  
WINDS AROUND 5 MPH IN THE EVENING, BECOMING LIGHT AND VARIABLE.    
SUNDAY  
MOSTLY SUNNY. HIGHS AROUND 70. NORTHEAST WINDS AROUND  
5 MPH, BECOMING SOUTHEAST AROUND 5 MPH IN THE AFTERNOON.    
SUNDAY NIGHT  
PARTLY CLOUDY. LOWS IN THE UPPER 40S. SOUTH WINDS  
AROUND 5 MPH.    
MONDAY  
SUNNY. HIGHS IN THE MID 70S. SOUTHWEST WINDS AROUND  
5 MPH.    
MONDAY NIGHT AND TUESDAY  
PARTLY CLOUDY. LOWS IN THE MID 50S.  
HIGHS IN THE LOWER 80S. SOUTHWEST WINDS AROUND 5 MPH.    
TUESDAY NIGHT  
MOSTLY CLOUDY. LOWS AROUND 60. SOUTHWEST WINDS  
AROUND 5 MPH.    
WEDNESDAY  
PARTLY SUNNY WITH A CHANCE OF SHOWERS. HIGHS IN THE  
UPPER 70S. NORTHWEST WINDS AROUND 5 MPH.  
 
 
 
MAZ014-182000-  
SOUTHEAST MIDDLESEX MA-  
INCLUDING THE CITIES OF CAMBRIDGE, LEXINGTON, NEWTON, WALTHAM,  
AND WOBURN  
409 AM EDT THU SEP 18 2025  
 
TODAY TONIGHT FRI  
 
CLOUD COVER PCLDY CLEAR MCLEAR  
PRECIP TYPE SHOWERS NONE NONE  
CHANCE PRECIP (%) 20  
CHANCE OF THUNDER (%) 0 0 0  
TEMP (24H TREND) 79 (+6) 59 (+3) 78  
RH % (24H TREND) 58 (+1) 84 (-16) 44  
20FT WND AM(MPH) LGT/VAR NW 5  
20FT WND PM(MPH) LGT/VAR LGT/VAR NW 7  
PRECIP AMOUNT 0.00 0.00 0.00  
PRECIP DURATION  
PRECIP BEGIN  
PRECIP END  
MIXING HGT (FT-AGL) 3930 350 5730  
TRANSPORT WND (KTS) W 6 S 5 NW 13  
VENT RATE (KT-FT) 23580 1750 74490  
MAX ADI EARLY 8 POOR 11 POOR 83 GOOD  
MAX ADI LATE 30 FAIR 5 VERY POOR 92 GOOD  
MAX LVORI EARLY 4 4 1  
MAX LVORI LATE 4 4 1  
MIN VSBY EARLY 5 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  
   
FRIDAY NIGHT  
CLEAR. LOWS IN THE UPPER 40S. NORTH WINDS AROUND  
5 MPH.    
SATURDAY  
SUNNY. HIGHS IN THE UPPER 60S. NORTH WINDS AROUND  
5 MPH, BECOMING EAST IN THE AFTERNOON.    
SATURDAY NIGHT  
MOSTLY CLEAR. LOWS IN THE MID 40S. SOUTHEAST  
WINDS AROUND 5 MPH, BECOMING WEST AFTER MIDNIGHT.    
SUNDAY  
MOSTLY SUNNY. HIGHS AROUND 70. NORTH WINDS AROUND  
5 MPH, BECOMING SOUTHEAST AROUND 5 MPH IN THE AFTERNOON.    
SUNDAY NIGHT  
PARTLY CLOUDY. LOWS AROUND 50. SOUTH WINDS AROUND  
5 MPH.    
MONDAY  
SUNNY. HIGHS IN THE MID 70S. SOUTHWEST WINDS AROUND  
5 MPH.    
MONDAY NIGHT AND TUESDAY  
PARTLY CLOUDY. LOWS IN THE UPPER 50S.  
HIGHS IN THE MID 80S. SOUTHWEST WINDS AROUND 5 MPH.    
TUESDAY NIGHT  
MOSTLY CLOUDY. LOWS IN THE LOWER 60S. SOUTHWEST  
WINDS AROUND 5 MPH.    
WEDNESDAY  
PARTLY SUNNY WITH A CHANCE OF SHOWERS. HIGHS IN THE  
UPPER 70S. NORTH WINDS AROUND 5 MPH.  
 
 
 
MAZ007-182000-  
EASTERN ESSEX MA-  
INCLUDING THE CITIES OF BEVERLY, GLOUCESTER, NEWBURYPORT,  
PEABODY, SALEM, AND SAUGUS  
409 AM EDT THU SEP 18 2025  
 
TODAY TONIGHT FRI  
 
CLOUD COVER PCLDY MCLEAR MCLEAR  
PRECIP TYPE SHOWERS NONE NONE  
CHANCE PRECIP (%) 30  
CHANCE OF THUNDER (%) 0 0 0  
TEMP (24H TREND) 77 (+6) 58 (+2) 78  
RH % (24H TREND) 58 (-1) 100 (0) 44  
20FT WND AM(MPH) LGT/VAR NW 6  
20FT WND PM(MPH) LGT/VAR LGT/VAR NW 6  
PRECIP AMOUNT 0.01 0.00 0.00  
PRECIP DURATION 0  
PRECIP BEGIN 6 AM  
PRECIP END 9 AM  
MIXING HGT (FT-AGL) 2330 350 4950  
TRANSPORT WND (KTS) W 4 S 8 NW 11  
VENT RATE (KT-FT) 9320 2800 54450  
MAX ADI EARLY 6 VERY POOR 7 POOR 51 GEN GOOD  
MAX ADI LATE 8 POOR 6 VERY POOR 51 GEN GOOD  
MAX LVORI EARLY 5 5 1  
MAX LVORI LATE 5 5 1  
MIN VSBY EARLY 4 FOG 7 9  
MIN VSBY LATE 9 8 9  
SUNSHINE HOURS N/A N/A N/A  
CWR 20 0 0  
 
REMARKS...NONE.  
   
FORECAST FOR DAYS 3 THROUGH 7  
   
FRIDAY NIGHT  
CLEAR. LOWS IN THE UPPER 40S. NORTH WINDS 10 TO  
15 MPH.    
SATURDAY  
SUNNY. HIGHS IN THE UPPER 60S. NORTHEAST WINDS 10 TO  
15 MPH, BECOMING EAST 5 TO 10 MPH IN THE AFTERNOON.    
SATURDAY NIGHT  
MOSTLY CLEAR. LOWS IN THE UPPER 40S. SOUTH  
WINDS AROUND 5 MPH, BECOMING WEST AFTER MIDNIGHT.    
SUNDAY  
SUNNY. HIGHS IN THE UPPER 60S. WEST WINDS AROUND 5 MPH,  
BECOMING SOUTHEAST IN THE AFTERNOON.    
SUNDAY NIGHT  
PARTLY CLOUDY. LOWS IN THE LOWER 50S. SOUTH WINDS  
5 TO 10 MPH.    
MONDAY  
SUNNY. HIGHS IN THE LOWER 70S. SOUTH WINDS 5 TO 10 MPH.   
MONDAY NIGHT AND TUESDAY  
PARTLY CLOUDY. LOWS IN THE UPPER 50S.  
HIGHS IN THE LOWER 80S. SOUTHWEST WINDS 10 TO 15 MPH.    
TUESDAY NIGHT  
MOSTLY CLOUDY. LOWS IN THE LOWER 60S. SOUTHWEST  
WINDS 5 TO 10 MPH.    
WEDNESDAY  
PARTLY SUNNY WITH A CHANCE OF SHOWERS. HIGHS IN THE  
MID 70S. NORTH WINDS 5 TO 10 MPH, BECOMING NORTHEAST IN THE  
AFTERNOON.  
 
 
 
MAZ006-182000-  
WESTERN ESSEX MA-  
INCLUDING THE CITIES OF AMESBURY, ANDOVER, HAVERHILL, LAWRENCE,  
METHUEN, AND TOPSFIELD  
409 AM EDT THU SEP 18 2025  
 
TODAY TONIGHT FRI  
 
CLOUD COVER PCLDY CLEAR CLEAR  
PRECIP TYPE SHOWERS NONE NONE  
CHANCE PRECIP (%) 20  
CHANCE OF THUNDER (%) 0 0 0  
TEMP (24H TREND) 79 (+6) 58 (+4) 77  
RH % (24H TREND) 47 (-6) 93 (-7) 38  
20FT WND AM(MPH) LGT/VAR NW 5  
20FT WND PM(MPH) LGT/VAR LGT/VAR NW 6  
PRECIP AMOUNT 0.01 0.00 0.00  
PRECIP DURATION 0  
PRECIP BEGIN 6 AM  
PRECIP END 8 AM  
MIXING HGT (FT-AGL) 4240 350 5330  
TRANSPORT WND (KTS) W 6 S 6 NW 13  
VENT RATE (KT-FT) 25440 2100 69290  
MAX ADI EARLY 7 POOR 8 POOR 77 GOOD  
MAX ADI LATE 33 FAIR 6 VERY POOR 91 GOOD  
MAX LVORI EARLY 4 5 1  
MAX LVORI LATE 4 5 1  
MIN VSBY EARLY 4 FOG 8 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  
   
FRIDAY NIGHT  
CLEAR. LOWS IN THE MID 40S. NORTH WINDS AROUND  
5 MPH.    
SATURDAY  
SUNNY. HIGHS IN THE UPPER 60S. NORTH WINDS AROUND  
5 MPH, BECOMING EAST AROUND 5 MPH IN THE AFTERNOON.    
SATURDAY NIGHT  
MOSTLY CLEAR. LOWS IN THE MID 40S. SOUTH WINDS  
AROUND 5 MPH IN THE EVENING, BECOMING LIGHT AND VARIABLE.    
SUNDAY  
SUNNY. HIGHS AROUND 70. NORTHWEST WINDS AROUND 5 MPH,  
BECOMING SOUTHEAST AROUND 5 MPH IN THE AFTERNOON.    
SUNDAY NIGHT  
PARTLY CLOUDY. LOWS IN THE UPPER 40S. SOUTH WINDS  
AROUND 5 MPH.    
MONDAY  
SUNNY. HIGHS IN THE MID 70S. SOUTHWEST WINDS AROUND  
5 MPH.    
MONDAY NIGHT THROUGH TUESDAY NIGHT  
PARTLY CLOUDY. LOWS IN THE  
UPPER 50S. HIGHS IN THE MID 80S. WEST WINDS AROUND 5 MPH.    
WEDNESDAY  
PARTLY SUNNY WITH A CHANCE OF SHOWERS. HIGHS IN THE  
UPPER 70S. NORTH WINDS AROUND 5 MPH.  
 
 
 
MAZ005-182000-  
CENTRAL MIDDLESEX MA-  
INCLUDING THE CITIES OF BURLINGTON, CHELMSFORD, FRAMINGHAM,  
HOPKINTON, LOWELL, AND NATICK  
409 AM EDT THU SEP 18 2025  
 
TODAY TONIGHT FRI  
 
CLOUD COVER PCLDY CLEAR MCLEAR  
PRECIP TYPE NONE NONE NONE  
CHANCE PRECIP (%) 20  
CHANCE OF THUNDER (%) 0 0 0  
TEMP (24H TREND) 80 (+6) 58 (+3) 78  
RH % (24H TREND) 49 (-2) 90 (-10) 41  
20FT WND AM(MPH) LGT/VAR LGT/VAR  
20FT WND PM(MPH) LGT/VAR LGT/VAR NW 5  
PRECIP AMOUNT 0.00 0.00 0.00  
PRECIP DURATION  
PRECIP BEGIN  
PRECIP END  
MIXING HGT (FT-AGL) 4660 340 5610  
TRANSPORT WND (KTS) W 7 SW 6 NW 13  
VENT RATE (KT-FT) 32620 2040 72930  
MAX ADI EARLY 7 POOR 11 POOR 83 GOOD  
MAX ADI LATE 45 GEN GOOD 5 VERY POOR 90 GOOD  
MAX LVORI EARLY 4 5 1  
MAX LVORI LATE 4 5 1  
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  
   
FRIDAY NIGHT  
CLEAR. LOWS IN THE MID 40S. NORTH WINDS 5 TO  
10 MPH.    
SATURDAY  
SUNNY. HIGHS IN THE UPPER 60S. NORTHEAST WINDS AROUND  
5 MPH.    
SATURDAY NIGHT  
MOSTLY CLEAR. LOWS IN THE MID 40S. SOUTH WINDS  
AROUND 5 MPH IN THE EVENING, BECOMING LIGHT AND VARIABLE.    
SUNDAY  
MOSTLY SUNNY. HIGHS IN THE LOWER 70S. NORTH WINDS  
AROUND 5 MPH, BECOMING SOUTHEAST AROUND 5 MPH IN THE AFTERNOON.    
SUNDAY NIGHT AND MONDAY  
MOSTLY CLEAR. LOWS IN THE UPPER 40S.  
HIGHS IN THE MID 70S. SOUTHWEST WINDS AROUND 5 MPH.    
MONDAY NIGHT THROUGH TUESDAY NIGHT  
PARTLY CLOUDY. LOWS IN THE  
UPPER 50S. HIGHS IN THE MID 80S. WEST WINDS AROUND 5 MPH.    
WEDNESDAY  
PARTLY SUNNY WITH A CHANCE OF SHOWERS. HIGHS IN THE  
UPPER 70S. NORTH WINDS AROUND 5 MPH.  
 
 
 
MAZ012-182000-  
SOUTHERN WORCESTER MA-  
INCLUDING THE CITIES OF MILFORD, OXFORD, STURBRIDGE, UXBRIDGE,  
WESTBOROUGH, AND WORCESTER  
409 AM EDT THU SEP 18 2025  
 
TODAY TONIGHT FRI  
 
CLOUD COVER PCLDY CLEAR MCLEAR  
PRECIP TYPE NONE NONE NONE  
CHANCE PRECIP (%) 10  
CHANCE OF THUNDER (%) 0 0 0  
TEMP (24H TREND) 79 (+5) 56 (+1) 78  
RH % (24H TREND) 51 (-6) 93 (-7) 46  
20FT WND AM(MPH) LGT/VAR LGT/VAR  
20FT WND PM(MPH) LGT/VAR LGT/VAR NW 5  
PRECIP AMOUNT 0.00 0.00 0.00  
PRECIP DURATION  
PRECIP BEGIN  
PRECIP END  
MIXING HGT (FT-AGL) 4200 320 5630  
TRANSPORT WND (KTS) W 8 W 7 NW 12  
VENT RATE (KT-FT) 33600 2240 67560  
MAX ADI EARLY 8 POOR 12 POOR 76 GOOD  
MAX ADI LATE 44 GEN GOOD 5 VERY POOR 87 GOOD  
MAX LVORI EARLY 4 6 1  
MAX LVORI LATE 4 6 1  
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  
   
FRIDAY NIGHT  
CLEAR. LOWS IN THE MID 40S. NORTH WINDS 5 TO  
10 MPH.    
SATURDAY  
SUNNY. HIGHS IN THE UPPER 60S. NORTH WINDS AROUND  
5 MPH.    
SATURDAY NIGHT  
MOSTLY CLEAR. LOWS IN THE MID 40S. SOUTH WINDS  
AROUND 5 MPH, BECOMING WEST AFTER MIDNIGHT.    
SUNDAY  
MOSTLY SUNNY. HIGHS AROUND 70. NORTHEAST WINDS AROUND  
5 MPH, BECOMING SOUTH AROUND 5 MPH IN THE AFTERNOON.    
SUNDAY NIGHT  
PARTLY CLOUDY. LOWS IN THE UPPER 40S. SOUTH WINDS  
AROUND 5 MPH.    
MONDAY  
SUNNY. HIGHS IN THE MID 70S. SOUTHWEST WINDS AROUND  
5 MPH.    
MONDAY NIGHT THROUGH TUESDAY NIGHT  
PARTLY CLOUDY. LOWS IN THE  
UPPER 50S. HIGHS IN THE LOWER 80S. WEST WINDS 5 TO 10 MPH.    
WEDNESDAY  
PARTLY SUNNY WITH A CHANCE OF SHOWERS. HIGHS IN THE  
UPPER 70S. NORTHWEST WINDS AROUND 5 MPH.  
 
 
 
MAZ004-182000-  
NORTHERN WORCESTER MA-  
INCLUDING THE CITIES OF ATHOL, BOYLSTON, BROOKFIELD, FITCHBURG,  
GARDNER, AND HARVARD  
409 AM EDT THU SEP 18 2025  
 
TODAY TONIGHT FRI  
 
CLOUD COVER PCLDY CLEAR MCLEAR  
PRECIP TYPE NONE NONE NONE  
CHANCE PRECIP (%) 10  
CHANCE OF THUNDER (%) 0 0 0  
TEMP (24H TREND) 80 (+7) 54 (+2) 76  
RH % (24H TREND) 41 (-5) 96 (-4) 36  
20FT WND AM(MPH) LGT/VAR NW 5  
20FT WND PM(MPH) LGT/VAR LGT/VAR NW 7  
PRECIP AMOUNT 0.00 0.00 0.00  
PRECIP DURATION  
PRECIP BEGIN  
PRECIP END  
MIXING HGT (FT-AGL) 4540 270 5260  
TRANSPORT WND (KTS) W 8 W 7 NW 12  
VENT RATE (KT-FT) 36320 1890 63120  
MAX ADI EARLY 8 POOR 12 POOR 75 GOOD  
MAX ADI LATE 46 GEN GOOD 5 VERY POOR 48 GEN GOOD  
MAX LVORI EARLY 2 6 1  
MAX LVORI LATE 2 6 1  
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  
   
FRIDAY NIGHT  
CLEAR. LOWS IN THE MID 40S. NORTH WINDS 5 TO  
10 MPH.    
SATURDAY  
SUNNY. HIGHS IN THE UPPER 60S. NORTH WINDS AROUND  
5 MPH.    
SATURDAY NIGHT  
MOSTLY CLEAR. LOWS IN THE LOWER 40S. SOUTH  
WINDS AROUND 5 MPH, BECOMING WEST AFTER MIDNIGHT.    
SUNDAY AND SUNDAY NIGHT  
PARTLY CLOUDY. LOWS IN THE MID 40S.  
HIGHS IN THE UPPER 60S. SOUTHWEST WINDS AROUND 5 MPH.    
MONDAY  
SUNNY. HIGHS IN THE MID 70S. SOUTHWEST WINDS AROUND  
5 MPH.    
MONDAY NIGHT THROUGH TUESDAY NIGHT  
PARTLY CLOUDY. LOWS IN THE  
UPPER 50S. HIGHS IN THE LOWER 80S. WEST WINDS 5 TO 10 MPH.    
WEDNESDAY  
PARTLY SUNNY WITH A CHANCE OF SHOWERS. HIGHS IN THE  
UPPER 70S. NORTHWEST WINDS AROUND 5 MPH.  
 
 
 
MAZ026-182000-  
NORTHERN MIDDLESEX MA-  
INCLUDING THE CITIES OF ASHBY, AYER, GROTON, PEPPERELL, SHIRLEY,  
AND TOWNSEND  
409 AM EDT THU SEP 18 2025  
 
TODAY TONIGHT FRI  
 
CLOUD COVER PCLDY CLEAR MCLEAR  
PRECIP TYPE NONE NONE NONE  
CHANCE PRECIP (%) 20  
CHANCE OF THUNDER (%) 0 0 0  
TEMP (24H TREND) 82 (+8) 56 (+4) 78  
RH % (24H TREND) 47 (-6) 90 (-10) 44  
20FT WND AM(MPH) LGT/VAR LGT/VAR  
20FT WND PM(MPH) LGT/VAR LGT/VAR NW 5  
PRECIP AMOUNT 0.00 0.00 0.00  
PRECIP DURATION  
PRECIP BEGIN  
PRECIP END  
MIXING HGT (FT-AGL) 5230 340 5320  
TRANSPORT WND (KTS) W 8 W 8 NW 13  
VENT RATE (KT-FT) 41840 2720 69160  
MAX ADI EARLY 8 POOR 11 POOR 82 GOOD  
MAX ADI LATE 57 GEN GOOD 5 VERY POOR 88 GOOD  
MAX LVORI EARLY 3 6 1  
MAX LVORI LATE 3 6 1  
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  
   
FRIDAY NIGHT  
CLEAR. LOWS IN THE MID 40S. NORTH WINDS AROUND  
5 MPH.    
SATURDAY  
SUNNY. HIGHS IN THE UPPER 60S. NORTH WINDS AROUND  
5 MPH.    
SATURDAY NIGHT  
MOSTLY CLEAR. LOWS IN THE LOWER 40S. LIGHT AND  
VARIABLE WIND.    
SUNDAY  
SUNNY. HIGHS IN THE LOWER 70S. NORTH WINDS AROUND  
5 MPH, BECOMING SOUTH AROUND 5 MPH IN THE AFTERNOON.    
SUNDAY NIGHT AND MONDAY  
MOSTLY CLEAR. LOWS IN THE UPPER 40S.  
HIGHS IN THE MID 70S. SOUTHWEST WINDS AROUND 5 MPH.    
MONDAY NIGHT THROUGH TUESDAY NIGHT  
PARTLY CLOUDY. LOWS IN THE  
UPPER 50S. HIGHS IN THE MID 80S. WEST WINDS AROUND 5 MPH.    
WEDNESDAY  
PARTLY SUNNY WITH A CHANCE OF SHOWERS. HIGHS IN THE  
UPPER 70S. NORTHWEST WINDS AROUND 5 MPH.  
 
 
 
MAZ002-182000-  
WESTERN FRANKLIN MA-  
INCLUDING THE CITIES OF ASHFIELD, CHARLEMONT, COLRAIN,  
AND SHELBURNE  
409 AM EDT THU SEP 18 2025  
 
TODAY TONIGHT FRI  
 
CLOUD COVER MCLEAR CLEAR MCLEAR  
PRECIP TYPE NONE NONE NONE  
CHANCE PRECIP (%) 10  
CHANCE OF THUNDER (%) 0 0 0  
TEMP (24H TREND) 80 (+9) 53 (+2) 74  
RH % (24H TREND) 39 (-7) 96 (0) 41  
20FT WND AM(MPH) LGT/VAR LGT/VAR  
20FT WND PM(MPH) LGT/VAR LGT/VAR NW 5  
PRECIP AMOUNT 0.00 0.00 0.00  
PRECIP DURATION  
PRECIP BEGIN  
PRECIP END  
MIXING HGT (FT-AGL) 4920 150 4980  
TRANSPORT WND (KTS) NW 9 NW 9 NW 13  
VENT RATE (KT-FT) 44280 1350 64740  
MAX ADI EARLY 14 GEN POOR 15 GEN POOR 70 GOOD  
MAX ADI LATE 61 GOOD 5 VERY POOR 78 GOOD  
MAX LVORI EARLY 2 6 1  
MAX LVORI LATE 2 6 1  
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  
   
FRIDAY NIGHT  
CLEAR. LOWS IN THE LOWER 40S. NORTH WINDS AROUND  
5 MPH.    
SATURDAY AND SATURDAY NIGHT  
MOSTLY CLEAR. LOWS IN THE LOWER  
40S. HIGHS IN THE UPPER 60S. NORTH WINDS AROUND 5 MPH.    
SUNDAY AND SUNDAY NIGHT  
PARTLY CLOUDY. LOWS IN THE LOWER 40S.  
HIGHS IN THE UPPER 60S. SOUTH WINDS AROUND 5 MPH.    
MONDAY AND MONDAY NIGHT  
PARTLY CLOUDY. LOWS 45 TO 55. HIGHS IN  
THE MID 70S. SOUTHWEST WINDS AROUND 5 MPH.    
TUESDAY  
MOSTLY SUNNY. HIGHS AROUND 80. SOUTHWEST WINDS AROUND  
5 MPH.    
TUESDAY NIGHT  
MOSTLY CLOUDY. LOWS IN THE UPPER 50S. WEST WINDS  
AROUND 5 MPH.    
WEDNESDAY  
PARTLY SUNNY WITH A CHANCE OF SHOWERS. HIGHS IN THE  
MID 70S. NORTHWEST WINDS AROUND 5 MPH.  
 
 
 
MAZ003-182000-  
EASTERN FRANKLIN MA-  
INCLUDING THE CITIES OF GREENFIELD, LEVERETT, NORTHFIELD, ORANGE,  
AND WHATELY  
409 AM EDT THU SEP 18 2025  
 
TODAY TONIGHT FRI  
 
CLOUD COVER MCLEAR CLEAR MCLEAR  
PRECIP TYPE NONE NONE NONE  
CHANCE PRECIP (%) 10  
CHANCE OF THUNDER (%) 0 0 0  
TEMP (24H TREND) 82 (+8) 55 (+3) 77  
RH % (24H TREND) 38 (-5) 96 (-4) 36  
20FT WND AM(MPH) LGT/VAR LGT/VAR  
20FT WND PM(MPH) LGT/VAR LGT/VAR NW 6  
PRECIP AMOUNT 0.00 0.00 0.00  
PRECIP DURATION  
PRECIP BEGIN  
PRECIP END  
MIXING HGT (FT-AGL) 5130 210 5340  
TRANSPORT WND (KTS) W 8 W 6 NW 12  
VENT RATE (KT-FT) 41040 1260 64080  
MAX ADI EARLY 9 POOR 11 POOR 73 GOOD  
MAX ADI LATE 52 GEN GOOD 4 VERY POOR 81 GOOD  
MAX LVORI EARLY 2 7 1  
MAX LVORI LATE 2 7 1  
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  
   
FRIDAY NIGHT  
CLEAR. LOWS IN THE LOWER 40S. NORTH WINDS 5 TO  
10 MPH.    
SATURDAY AND SATURDAY NIGHT  
MOSTLY CLEAR. LOWS IN THE LOWER  
40S. HIGHS IN THE UPPER 60S. NORTH WINDS AROUND 5 MPH.    
SUNDAY THROUGH MONDAY  
PARTLY CLOUDY. LOWS 42 TO 47. HIGHS IN  
THE LOWER 70S. SOUTH WINDS 5 TO 10 MPH.    
MONDAY NIGHT AND TUESDAY  
PARTLY CLOUDY. LOWS IN THE MID 50S.  
HIGHS IN THE LOWER 80S. SOUTHWEST WINDS 5 TO 10 MPH.    
TUESDAY NIGHT  
MOSTLY CLOUDY. LOWS IN THE UPPER 50S. SOUTHWEST  
WINDS AROUND 5 MPH.    
WEDNESDAY  
PARTLY SUNNY WITH A CHANCE OF SHOWERS. HIGHS IN THE  
UPPER 70S. NORTH WINDS AROUND 5 MPH.  
 
 
 
MAZ008-182000-  
WESTERN HAMPSHIRE MA-  
INCLUDING THE CITIES OF CHESTERFIELD, PLAINFIELD, WESTHAMPTON,  
WILLIAMSBURG, AND WORTHINGTON  
409 AM EDT THU SEP 18 2025  
 
TODAY TONIGHT FRI  
 
CLOUD COVER MCLEAR CLEAR MCLEAR  
PRECIP TYPE NONE NONE NONE  
CHANCE PRECIP (%) 10  
CHANCE OF THUNDER (%) 0 0 0  
TEMP (24H TREND) 79 (+9) 54 (+2) 74  
RH % (24H TREND) 42 (-10) 96 (0) 46  
20FT WND AM(MPH) LGT/VAR LGT/VAR  
20FT WND PM(MPH) LGT/VAR LGT/VAR NW 6  
PRECIP AMOUNT 0.00 0.00 0.00  
PRECIP DURATION  
PRECIP BEGIN  
PRECIP END  
MIXING HGT (FT-AGL) 4790 190 4740  
TRANSPORT WND (KTS) NW 9 W 8 NW 14  
VENT RATE (KT-FT) 43110 1520 66360  
MAX ADI EARLY 18 GEN POOR 15 GEN POOR 77 GOOD  
MAX ADI LATE 61 GOOD 5 VERY POOR 84 GOOD  
MAX LVORI EARLY 2 6 1  
MAX LVORI LATE 2 6 1  
MIN VSBY EARLY 8 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  
   
FRIDAY NIGHT  
MOSTLY CLEAR. LOWS IN THE LOWER 40S. NORTH WINDS  
AROUND 5 MPH.    
SATURDAY AND SATURDAY NIGHT  
MOSTLY CLEAR. LOWS IN THE LOWER  
40S. HIGHS IN THE UPPER 60S. NORTH WINDS AROUND 5 MPH.    
SUNDAY AND SUNDAY NIGHT  
PARTLY CLOUDY. LOWS IN THE MID 40S.  
HIGHS IN THE UPPER 60S. SOUTHWEST WINDS AROUND 5 MPH.    
MONDAY AND MONDAY NIGHT  
PARTLY CLOUDY. LOWS 46 TO 55. HIGHS IN  
THE LOWER 70S. SOUTHWEST WINDS AROUND 5 MPH.    
TUESDAY  
MOSTLY SUNNY. HIGHS AROUND 80. SOUTHWEST WINDS AROUND  
5 MPH.    
TUESDAY NIGHT  
MOSTLY CLOUDY. LOWS IN THE UPPER 50S. WEST WINDS  
AROUND 5 MPH.    
WEDNESDAY  
PARTLY SUNNY WITH A CHANCE OF SHOWERS. HIGHS IN THE  
MID 70S. NORTHWEST WINDS AROUND 5 MPH.  
 
 
 
MAZ010-182000-  
EASTERN HAMPSHIRE MA-  
INCLUDING THE CITIES OF AMHERST, BELCHERTOWN, NORTHAMPTON,  
SOUTHAMPTON, AND WARE  
409 AM EDT THU SEP 18 2025  
 
TODAY TONIGHT FRI  
 
CLOUD COVER MCLEAR CLEAR MCLEAR  
PRECIP TYPE NONE NONE NONE  
CHANCE PRECIP (%) 10  
CHANCE OF THUNDER (%) 0 0 0  
TEMP (24H TREND) 82 (+7) 54 (0) 79  
RH % (24H TREND) 42 (-8) 96 (-4) 44  
20FT WND AM(MPH) LGT/VAR LGT/VAR  
20FT WND PM(MPH) LGT/VAR LGT/VAR NW 7  
PRECIP AMOUNT 0.00 0.00 0.00  
PRECIP DURATION  
PRECIP BEGIN  
PRECIP END  
MIXING HGT (FT-AGL) 5230 300 5450  
TRANSPORT WND (KTS) NW 8 NW 6 NW 12  
VENT RATE (KT-FT) 41840 1800 65400  
MAX ADI EARLY 9 POOR 13 GEN POOR 80 GOOD  
MAX ADI LATE 53 GEN GOOD 3 VERY POOR 89 GOOD  
MAX LVORI EARLY 2 7 1  
MAX LVORI LATE 2 7 1  
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  
   
FRIDAY NIGHT  
MOSTLY CLEAR. LOWS IN THE MID 40S. NORTH WINDS  
5 TO 10 MPH.    
SATURDAY AND SATURDAY NIGHT  
MOSTLY CLEAR. LOWS IN THE MID 40S.  
HIGHS AROUND 70. NORTHEAST WINDS AROUND 5 MPH.    
SUNDAY THROUGH MONDAY  
PARTLY CLOUDY. LOWS IN THE MID 40S.  
HIGHS IN THE MID 70S. SOUTH WINDS AROUND 5 MPH.    
MONDAY NIGHT AND TUESDAY  
PARTLY CLOUDY. LOWS IN THE MID 50S.  
HIGHS IN THE LOWER 80S. SOUTHWEST WINDS 5 TO 10 MPH.    
TUESDAY NIGHT  
MOSTLY CLOUDY. LOWS IN THE UPPER 50S. SOUTHWEST  
WINDS AROUND 5 MPH.    
WEDNESDAY  
PARTLY SUNNY WITH A CHANCE OF SHOWERS. HIGHS IN THE  
UPPER 70S. NORTH WINDS AROUND 5 MPH.  
 
 
 
MAZ009-182000-  
WESTERN HAMPDEN MA-  
INCLUDING THE CITIES OF BLANDFORD, CHESTER, GRANVILLE,  
MONTGOMERY, RUSSELL, AND TOLLAND  
409 AM EDT THU SEP 18 2025  
 
TODAY TONIGHT FRI  
 
CLOUD COVER MCLEAR CLEAR MCLEAR  
PRECIP TYPE NONE NONE NONE  
CHANCE PRECIP (%) 10  
CHANCE OF THUNDER (%) 0 0 0  
TEMP (24H TREND) 79 (+8) 54 (+2) 75  
RH % (24H TREND) 42 (-11) 96 (-4) 48  
20FT WND AM(MPH) LGT/VAR NW 5  
20FT WND PM(MPH) LGT/VAR LGT/VAR NW 6  
PRECIP AMOUNT 0.00 0.00 0.00  
PRECIP DURATION  
PRECIP BEGIN  
PRECIP END  
MIXING HGT (FT-AGL) 4650 110 4650  
TRANSPORT WND (KTS) W 9 W 8 NW 15  
VENT RATE (KT-FT) 41850 880 69750  
MAX ADI EARLY 19 GEN POOR 15 GEN POOR 82 GOOD  
MAX ADI LATE 60 GEN GOOD 6 VERY POOR 85 GOOD  
MAX LVORI EARLY 2 6 1  
MAX LVORI LATE 2 6 1  
MIN VSBY EARLY 8 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  
   
FRIDAY NIGHT  
MOSTLY CLEAR. LOWS IN THE MID 40S. NORTH WINDS  
AROUND 5 MPH.    
SATURDAY  
SUNNY. HIGHS IN THE UPPER 60S. NORTHEAST WINDS AROUND  
5 MPH.    
SATURDAY NIGHT  
MOSTLY CLEAR. LOWS IN THE LOWER 40S. NORTHWEST  
WINDS AROUND 5 MPH.    
SUNDAY AND SUNDAY NIGHT  
PARTLY CLOUDY. LOWS IN THE MID 40S.  
HIGHS IN THE UPPER 60S. SOUTHWEST WINDS AROUND 5 MPH.    
MONDAY AND MONDAY NIGHT  
PARTLY CLOUDY. LOWS 47 TO 56. HIGHS IN  
THE MID 70S. SOUTHWEST WINDS AROUND 5 MPH.    
TUESDAY  
MOSTLY SUNNY. HIGHS AROUND 80. SOUTHWEST WINDS AROUND  
5 MPH.    
TUESDAY NIGHT  
MOSTLY CLOUDY. LOWS IN THE UPPER 50S. WEST WINDS  
AROUND 5 MPH.    
WEDNESDAY  
PARTLY SUNNY WITH A CHANCE OF SHOWERS. HIGHS IN THE  
MID 70S. NORTH WINDS AROUND 5 MPH.  
 
 
 
MAZ011-182000-  
EASTERN HAMPDEN MA-  
INCLUDING THE CITIES OF CHICOPEE, HOLLAND, PALMER, SOUTHWICK,  
SPRINGFIELD, AND WESTFIELD  
409 AM EDT THU SEP 18 2025  
 
TODAY TONIGHT FRI  
 
CLOUD COVER MCLEAR CLEAR MCLEAR  
PRECIP TYPE NONE NONE NONE  
CHANCE PRECIP (%) 10  
CHANCE OF THUNDER (%) 0 0 0  
TEMP (24H TREND) 81 (+7) 55 (+1) 79  
RH % (24H TREND) 39 (-11) 96 (-4) 42  
20FT WND AM(MPH) LGT/VAR LGT/VAR  
20FT WND PM(MPH) LGT/VAR LGT/VAR NW 7  
PRECIP AMOUNT 0.00 0.00 0.00  
PRECIP DURATION  
PRECIP BEGIN  
PRECIP END  
MIXING HGT (FT-AGL) 5110 290 5510  
TRANSPORT WND (KTS) W 8 NW 6 NW 12  
VENT RATE (KT-FT) 40880 1740 66120  
MAX ADI EARLY 8 POOR 15 GEN POOR 77 GOOD  
MAX ADI LATE 51 GEN GOOD 4 VERY POOR 83 GOOD  
MAX LVORI EARLY 2 6 1  
MAX LVORI LATE 2 6 1  
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  
   
FRIDAY NIGHT  
MOSTLY CLEAR. LOWS IN THE MID 40S. NORTH WINDS  
5 TO 10 MPH.    
SATURDAY  
SUNNY. HIGHS AROUND 70. NORTH WINDS AROUND 5 MPH.    
SATURDAY NIGHT  
MOSTLY CLEAR. LOWS IN THE MID 40S. EAST WINDS  
AROUND 5 MPH.    
SUNDAY AND SUNDAY NIGHT  
PARTLY CLOUDY. LOWS IN THE MID 40S.  
HIGHS IN THE LOWER 70S. SOUTH WINDS AROUND 5 MPH.    
MONDAY AND MONDAY NIGHT  
PARTLY CLOUDY. LOWS 47 TO 57. HIGHS IN  
THE MID 70S. SOUTHWEST WINDS 5 TO 10 MPH.    
TUESDAY AND TUESDAY NIGHT  
PARTLY CLOUDY. LOWS IN THE UPPER  
50S. HIGHS IN THE LOWER 80S. SOUTHWEST WINDS AROUND 5 MPH.    
WEDNESDAY  
PARTLY SUNNY WITH A CHANCE OF SHOWERS. HIGHS IN THE  
UPPER 70S. NORTH WINDS AROUND 5 MPH.  
 
 
 
CTZ002-182000-  
HARTFORD CT-  
INCLUDING THE CITIES OF HARTFORD, GLASTONBURY, GRANBY,  
SOUTHINGTON, AND WINDSOR LOCKS  
409 AM EDT THU SEP 18 2025  
 
TODAY TONIGHT FRI  
 
CLOUD COVER MCLEAR CLEAR MCLEAR  
PRECIP TYPE NONE NONE NONE  
CHANCE PRECIP (%) 10  
CHANCE OF THUNDER (%) 0 0 0  
TEMP (24H TREND) 82 (+7) 56 (+1) 80  
RH % (24H TREND) 42 (-11) 96 (-4) 43  
20FT WND AM(MPH) LGT/VAR LGT/VAR  
20FT WND PM(MPH) LGT/VAR LGT/VAR NW 7  
PRECIP AMOUNT 0.00 0.00 0.00  
PRECIP DURATION  
PRECIP BEGIN  
PRECIP END  
MIXING HGT (FT-AGL) 4890 300 5720  
TRANSPORT WND (KTS) NW 7 W 6 NW 13  
VENT RATE (KT-FT) 34230 1800 74360  
MAX ADI EARLY 10 POOR 15 GEN POOR 75 GOOD  
MAX ADI LATE 51 GEN GOOD 4 VERY POOR 50 GEN GOOD  
MAX LVORI EARLY 3 6 1  
MAX LVORI LATE 3 6 1  
MIN VSBY EARLY 8 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  
   
FRIDAY NIGHT  
MOSTLY CLEAR. LOWS IN THE UPPER 40S. NORTH WINDS  
5 TO 10 MPH.    
SATURDAY AND SATURDAY NIGHT  
MOSTLY CLEAR. LOWS IN THE UPPER  
40S. HIGHS IN THE LOWER 70S. NORTHEAST WINDS AROUND 5 MPH.    
SUNDAY AND SUNDAY NIGHT  
PARTLY CLOUDY. LOWS IN THE UPPER 40S.  
HIGHS IN THE LOWER 70S. SOUTH WINDS AROUND 5 MPH.    
MONDAY AND MONDAY NIGHT  
PARTLY CLOUDY. LOWS 48 TO 58. HIGHS IN  
THE MID 70S. SOUTHWEST WINDS 5 TO 10 MPH.    
TUESDAY AND TUESDAY NIGHT  
PARTLY CLOUDY. LOWS IN THE UPPER  
50S. HIGHS IN THE LOWER 80S. SOUTHWEST WINDS AROUND 5 MPH.    
WEDNESDAY  
PARTLY SUNNY. HIGHS IN THE UPPER 70S. NORTH WINDS  
AROUND 5 MPH.  
 
 
 
CTZ003-182000-  
TOLLAND CT-  
INCLUDING THE CITIES OF MANSFIELD, STAFFORD SPRINGS, AND VERNON  
409 AM EDT THU SEP 18 2025  
 
TODAY TONIGHT FRI  
 
CLOUD COVER PCLDY CLEAR MCLEAR  
PRECIP TYPE NONE NONE NONE  
CHANCE PRECIP (%) 10  
CHANCE OF THUNDER (%) 0 0 0  
TEMP (24H TREND) 79 (+5) 55 (0) 79  
RH % (24H TREND) 49 (-8) 96 (-4) 49  
20FT WND AM(MPH) LGT/VAR LGT/VAR  
20FT WND PM(MPH) LGT/VAR LGT/VAR NW 7  
PRECIP AMOUNT 0.00 0.00 0.00  
PRECIP DURATION  
PRECIP BEGIN  
PRECIP END  
MIXING HGT (FT-AGL) 4250 220 5420  
TRANSPORT WND (KTS) W 8 W 5 NW 13  
VENT RATE (KT-FT) 34000 1100 70460  
MAX ADI EARLY 10 POOR 11 POOR 65 GOOD  
MAX ADI LATE 45 GEN GOOD 4 VERY POOR 47 GEN GOOD  
MAX LVORI EARLY 3 6 1  
MAX LVORI LATE 3 6 1  
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  
   
FRIDAY NIGHT  
MOSTLY CLEAR. LOWS IN THE MID 40S. NORTH WINDS  
5 TO 10 MPH.    
SATURDAY  
SUNNY. HIGHS AROUND 70. NORTH WINDS AROUND 5 MPH.    
SATURDAY NIGHT  
MOSTLY CLEAR. LOWS IN THE MID 40S. SOUTHEAST  
WINDS AROUND 5 MPH.    
SUNDAY THROUGH MONDAY  
PARTLY CLOUDY. LOWS IN THE MID 40S.  
HIGHS IN THE LOWER 70S. SOUTHWEST WINDS AROUND 5 MPH.    
MONDAY NIGHT THROUGH TUESDAY NIGHT  
PARTLY CLOUDY. LOWS IN THE  
UPPER 50S. HIGHS IN THE LOWER 80S. SOUTHWEST WINDS AROUND 5 MPH.    
WEDNESDAY  
PARTLY SUNNY WITH A CHANCE OF SHOWERS. HIGHS IN THE  
UPPER 70S. NORTH WINDS AROUND 5 MPH.  
 
 
 
CTZ004-182000-  
WINDHAM CT-  
INCLUDING THE CITIES OF ASHFORD, PLAINFIELD, PUTNAM,  
AND WILLIMANTIC  
409 AM EDT THU SEP 18 2025  
 
TODAY TONIGHT FRI  
 
CLOUD COVER PCLDY CLEAR MCLEAR  
PRECIP TYPE NONE NONE NONE  
CHANCE PRECIP (%) 10  
CHANCE OF THUNDER (%) 0 0 0  
TEMP (24H TREND) 79 (+4) 55 (-1) 79  
RH % (24H TREND) 54 (-7) 97 (-3) 49  
20FT WND AM(MPH) LGT/VAR LGT/VAR  
20FT WND PM(MPH) LGT/VAR LGT/VAR NW 6  
PRECIP AMOUNT 0.00 0.00 0.00  
PRECIP DURATION  
PRECIP BEGIN  
PRECIP END  
MIXING HGT (FT-AGL) 3900 290 5640  
TRANSPORT WND (KTS) W 8 SW 6 NW 12  
VENT RATE (KT-FT) 31200 1740 67680  
MAX ADI EARLY 9 POOR 12 POOR 67 GOOD  
MAX ADI LATE 39 FAIR 4 VERY POOR 75 GOOD  
MAX LVORI EARLY 4 6 1  
MAX LVORI LATE 4 6 1  
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  
   
FRIDAY NIGHT  
MOSTLY CLEAR. LOWS IN THE UPPER 40S. NORTH WINDS  
5 TO 10 MPH.    
SATURDAY  
SUNNY. HIGHS AROUND 70. NORTHEAST WINDS AROUND 5 MPH.   
SATURDAY NIGHT  
MOSTLY CLEAR. LOWS IN THE MID 40S. SOUTHEAST  
WINDS AROUND 5 MPH.    
SUNDAY THROUGH MONDAY  
PARTLY CLOUDY. LOWS IN THE MID 40S.  
HIGHS IN THE LOWER 70S. SOUTHWEST WINDS AROUND 5 MPH.    
MONDAY NIGHT AND TUESDAY  
PARTLY CLOUDY. LOWS IN THE MID 50S.  
HIGHS IN THE LOWER 80S. SOUTHWEST WINDS 5 TO 10 MPH.    
TUESDAY NIGHT  
MOSTLY CLOUDY. LOWS IN THE UPPER 50S. SOUTHWEST  
WINDS AROUND 5 MPH.    
WEDNESDAY  
PARTLY SUNNY WITH A CHANCE OF SHOWERS. HIGHS IN THE  
UPPER 70S. NORTHWEST WINDS AROUND 5 MPH.  
 
 
 
RIZ001-182000-  
NORTHWEST PROVIDENCE RI-  
INCLUDING THE CITIES OF CUMBERLAND, FOSTER, GLOCESTER,  
AND SMITHFIELD  
409 AM EDT THU SEP 18 2025  
 
TODAY TONIGHT FRI  
 
CLOUD COVER PCLDY MCLEAR MCLEAR  
PRECIP TYPE NONE NONE NONE  
CHANCE PRECIP (%) 10  
CHANCE OF THUNDER (%) 0 0 0  
TEMP (24H TREND) 78 (+2) 57 (0) 78  
RH % (24H TREND) 64 (+3) 100 (0) 53  
20FT WND AM(MPH) LGT/VAR LGT/VAR  
20FT WND PM(MPH) LGT/VAR LGT/VAR NW 5  
PRECIP AMOUNT 0.00 0.00 0.00  
PRECIP DURATION  
PRECIP BEGIN  
PRECIP END  
MIXING HGT (FT-AGL) 3360 290 5690  
TRANSPORT WND (KTS) W 8 SW 7 NW 12  
VENT RATE (KT-FT) 26880 2030 68280  
MAX ADI EARLY 9 POOR 12 POOR 66 GOOD  
MAX ADI LATE 34 FAIR 5 VERY POOR 84 GOOD  
MAX LVORI EARLY 5 6 1  
MAX LVORI LATE 5 6 1  
MIN VSBY EARLY 5 FOG 8 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  
   
FRIDAY NIGHT  
MOSTLY CLEAR. LOWS IN THE UPPER 40S. NORTH WINDS  
AROUND 5 MPH.    
SATURDAY  
SUNNY. HIGHS IN THE UPPER 60S. NORTHEAST WINDS AROUND  
5 MPH.    
SATURDAY NIGHT  
MOSTLY CLEAR. LOWS IN THE MID 40S. SOUTHEAST  
WINDS AROUND 5 MPH IN THE EVENING, BECOMING LIGHT AND VARIABLE.    
SUNDAY  
MOSTLY SUNNY. HIGHS IN THE UPPER 60S. NORTHEAST WINDS  
AROUND 5 MPH, BECOMING SOUTHEAST AROUND 5 MPH IN THE AFTERNOON.    
SUNDAY NIGHT  
PARTLY CLOUDY. LOWS IN THE UPPER 40S. SOUTH WINDS  
AROUND 5 MPH.    
MONDAY  
SUNNY. HIGHS IN THE MID 70S. SOUTHWEST WINDS AROUND  
5 MPH.    
MONDAY NIGHT AND TUESDAY  
PARTLY CLOUDY. LOWS IN THE MID 50S.  
HIGHS IN THE LOWER 80S. SOUTHWEST WINDS AROUND 5 MPH.    
TUESDAY NIGHT  
MOSTLY CLOUDY. LOWS AROUND 60. SOUTHWEST WINDS  
AROUND 5 MPH.    
WEDNESDAY  
PARTLY SUNNY WITH A CHANCE OF SHOWERS. HIGHS IN THE  
UPPER 70S. NORTHWEST WINDS AROUND 5 MPH.  
 
 
 
RIZ002-182000-  
SOUTHEAST PROVIDENCE RI-  
INCLUDING THE CITIES OF CRANSTON, JOHNSTON, PAWTUCKET,  
AND PROVIDENCE  
409 AM EDT THU SEP 18 2025  
 
TODAY TONIGHT FRI  
 
CLOUD COVER PCLDY MCLEAR MCLEAR  
PRECIP TYPE NONE NONE NONE  
CHANCE PRECIP (%) 20  
CHANCE OF THUNDER (%) 0 0 0  
TEMP (24H TREND) 77 (0) 58 (0) 79  
RH % (24H TREND) 69 (+5) 100 (0) 55  
20FT WND AM(MPH) LGT/VAR LGT/VAR  
20FT WND PM(MPH) LGT/VAR LGT/VAR NW 5  
PRECIP AMOUNT 0.00 0.00 0.00  
PRECIP DURATION  
PRECIP BEGIN  
PRECIP END  
MIXING HGT (FT-AGL) 3170 370 5920  
TRANSPORT WND (KTS) W 5 W 9 NW 11  
VENT RATE (KT-FT) 15850 3330 65120  
MAX ADI EARLY 2 VERY POOR 12 POOR 62 GOOD  
MAX ADI LATE 27 FAIR 5 VERY POOR 82 GOOD  
MAX LVORI EARLY 6 6 1  
MAX LVORI LATE 6 6 1  
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  
   
FRIDAY NIGHT  
MOSTLY CLEAR. LOWS AROUND 50. NORTH WINDS 5 TO  
10 MPH.    
SATURDAY  
SUNNY. HIGHS IN THE UPPER 60S. NORTHEAST WINDS AROUND  
5 MPH.    
SATURDAY NIGHT  
MOSTLY CLEAR. LOWS IN THE UPPER 40S. SOUTHEAST  
WINDS AROUND 5 MPH.    
SUNDAY  
MOSTLY SUNNY. HIGHS IN THE UPPER 60S. NORTHEAST WINDS  
AROUND 5 MPH, BECOMING SOUTHEAST IN THE AFTERNOON.    
SUNDAY NIGHT AND MONDAY  
PARTLY CLOUDY. LOWS IN THE UPPER 40S.  
HIGHS IN THE MID 70S. SOUTH WINDS 5 TO 10 MPH.    
MONDAY NIGHT AND TUESDAY  
PARTLY CLOUDY. LOWS IN THE UPPER 50S.  
HIGHS IN THE LOWER 80S. SOUTHWEST WINDS 5 TO 10 MPH.    
TUESDAY NIGHT  
MOSTLY CLOUDY. LOWS IN THE LOWER 60S. SOUTHWEST  
WINDS 5 TO 10 MPH.    
WEDNESDAY  
PARTLY SUNNY WITH A CHANCE OF SHOWERS. HIGHS IN THE  
UPPER 70S. NORTHWEST WINDS 5 TO 10 MPH.  
 
 
 
RIZ003-182000-  
WESTERN KENT RI-  
INCLUDING THE CITIES OF COVENTRY AND WEST GREENWICH  
409 AM EDT THU SEP 18 2025  
 
TODAY TONIGHT FRI  
 
CLOUD COVER PCLDY MCLEAR MCLEAR  
PRECIP TYPE NONE NONE NONE  
CHANCE PRECIP (%) 10  
CHANCE OF THUNDER (%) 0 0 0  
TEMP (24H TREND) 77 (+4) 56 (-1) 79  
RH % (24H TREND) 66 (0) 100 (0) 55  
20FT WND AM(MPH) LGT/VAR LGT/VAR  
20FT WND PM(MPH) LGT/VAR LGT/VAR NW 5  
PRECIP AMOUNT 0.00 0.00 0.00  
PRECIP DURATION  
PRECIP BEGIN  
PRECIP END  
MIXING HGT (FT-AGL) 3450 290 5810  
TRANSPORT WND (KTS) W 6 W 9 NW 12  
VENT RATE (KT-FT) 20700 2610 69720  
MAX ADI EARLY 5 VERY POOR 11 POOR 60 GEN GOOD  
MAX ADI LATE 32 FAIR 5 VERY POOR 87 GOOD  
MAX LVORI EARLY 5 6 1  
MAX LVORI LATE 5 6 1  
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  
   
FRIDAY NIGHT  
MOSTLY CLEAR. LOWS IN THE UPPER 40S. NORTH WINDS  
AROUND 5 MPH.    
SATURDAY AND SATURDAY NIGHT  
MOSTLY CLEAR. LOWS IN THE UPPER  
40S. HIGHS IN THE UPPER 60S. EAST WINDS AROUND 5 MPH.    
SUNDAY  
MOSTLY SUNNY. HIGHS IN THE UPPER 60S. EAST WINDS AROUND  
5 MPH, BECOMING SOUTHEAST AROUND 5 MPH IN THE AFTERNOON.    
SUNDAY NIGHT AND MONDAY  
PARTLY CLOUDY. LOWS IN THE UPPER 40S.  
HIGHS IN THE LOWER 70S. SOUTH WINDS AROUND 5 MPH.    
MONDAY NIGHT AND TUESDAY  
PARTLY CLOUDY. LOWS IN THE MID 50S.  
HIGHS IN THE UPPER 70S. SOUTHWEST WINDS 5 TO 10 MPH.    
TUESDAY NIGHT AND WEDNESDAY  
MOSTLY CLOUDY. LOWS AROUND 60.  
HIGHS IN THE UPPER 70S. NORTHWEST WINDS AROUND 5 MPH.  
 
 
 
RIZ004-182000-  
EASTERN KENT RI-  
INCLUDING THE CITIES OF EAST GREENWICH, WARWICK, AND WEST WARWICK  
409 AM EDT THU SEP 18 2025  
 
TODAY TONIGHT FRI  
 
CLOUD COVER PCLDY MCLEAR MCLEAR  
PRECIP TYPE NONE NONE NONE  
CHANCE PRECIP (%) 10  
CHANCE OF THUNDER (%) 0 0 0  
TEMP (24H TREND) 78 (+3) 58 (-1) 80  
RH % (24H TREND) 64 (+3) 97 (-3) 50  
20FT WND AM(MPH) LGT/VAR LGT/VAR  
20FT WND PM(MPH) LGT/VAR LGT/VAR NW 6  
PRECIP AMOUNT 0.00 0.00 0.00  
PRECIP DURATION  
PRECIP BEGIN  
PRECIP END  
MIXING HGT (FT-AGL) 2790 390 5820  
TRANSPORT WND (KTS) NW 5 SW 7 NW 10  
VENT RATE (KT-FT) 13950 2730 58200  
MAX ADI EARLY 1 VERY POOR 9 POOR 55 GEN GOOD  
MAX ADI LATE 19 GEN POOR 5 VERY POOR 79 GOOD  
MAX LVORI EARLY 6 6 1  
MAX LVORI LATE 6 6 1  
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  
   
FRIDAY NIGHT  
MOSTLY CLEAR. LOWS IN THE LOWER 50S. NORTH WINDS  
5 TO 10 MPH.    
SATURDAY AND SATURDAY NIGHT  
MOSTLY CLEAR. LOWS IN THE LOWER  
50S. HIGHS IN THE UPPER 60S. EAST WINDS 5 TO 10 MPH.    
SUNDAY  
MOSTLY SUNNY. HIGHS IN THE UPPER 60S. EAST WINDS AROUND  
5 MPH, BECOMING SOUTHEAST IN THE AFTERNOON.    
SUNDAY NIGHT  
PARTLY CLOUDY. LOWS IN THE LOWER 50S. SOUTH WINDS  
AROUND 5 MPH.    
MONDAY  
SUNNY. HIGHS IN THE LOWER 70S. SOUTHWEST WINDS 5 TO  
10 MPH.    
MONDAY NIGHT AND TUESDAY  
PARTLY CLOUDY. LOWS IN THE UPPER 50S.  
HIGHS AROUND 80. SOUTHWEST WINDS 5 TO 10 MPH.    
TUESDAY NIGHT AND WEDNESDAY  
MOSTLY CLOUDY. LOWS IN THE LOWER  
60S. HIGHS IN THE MID 70S. NORTH WINDS 5 TO 10 MPH.  
 
 
 
RIZ005-182000-  
BRISTOL RI-  
INCLUDING THE CITIES OF BARRINGTON, BRISTOL, AND WARREN  
409 AM EDT THU SEP 18 2025  
 
TODAY TONIGHT FRI  
 
CLOUD COVER PCLDY MCLEAR MCLEAR  
PRECIP TYPE NONE NONE NONE  
CHANCE PRECIP (%) 20  
CHANCE OF THUNDER (%) 0 0 0  
TEMP (24H TREND) 77 (+1) 59 (-1) 80  
RH % (24H TREND) 71 (+7) 97 (-3) 56  
20FT WND AM(MPH) LGT/VAR NW 5  
20FT WND PM(MPH) LGT/VAR SW 5 NW 6  
PRECIP AMOUNT 0.00 0.00 0.00  
PRECIP DURATION  
PRECIP BEGIN  
PRECIP END  
MIXING HGT (FT-AGL) 2340 370 5780  
TRANSPORT WND (KTS) NW 5 NW 8 NW 11  
VENT RATE (KT-FT) 11700 2960 63580  
MAX ADI EARLY 1 VERY POOR 7 POOR 50 GEN GOOD  
MAX ADI LATE 15 GEN POOR 5 VERY POOR 75 GOOD  
MAX LVORI EARLY 8 6 2  
MAX LVORI LATE 8 6 2  
MIN VSBY EARLY 5 FOG 7 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  
   
FRIDAY NIGHT  
MOSTLY CLEAR. LOWS IN THE LOWER 50S. NORTH WINDS  
5 TO 10 MPH.    
SATURDAY AND SATURDAY NIGHT  
MOSTLY CLEAR. LOWS IN THE LOWER  
50S. HIGHS IN THE UPPER 60S. EAST WINDS 5 TO 10 MPH.    
SUNDAY  
MOSTLY SUNNY. HIGHS IN THE UPPER 60S. EAST WINDS AROUND  
5 MPH, BECOMING SOUTHEAST IN THE AFTERNOON.    
SUNDAY NIGHT  
PARTLY CLOUDY. LOWS IN THE LOWER 50S. SOUTH WINDS  
5 TO 10 MPH.    
MONDAY  
SUNNY. HIGHS IN THE LOWER 70S. SOUTHWEST WINDS 5 TO  
10 MPH.    
MONDAY NIGHT AND TUESDAY  
PARTLY CLOUDY. LOWS AROUND 60. HIGHS  
IN THE UPPER 70S. SOUTHWEST WINDS 5 TO 10 MPH.    
TUESDAY NIGHT AND WEDNESDAY  
MOSTLY CLOUDY. LOWS IN THE LOWER  
60S. HIGHS IN THE MID 70S. NORTH WINDS 5 TO 10 MPH.  
 
 
 
RIZ006-182000-  
WASHINGTON RI-  
INCLUDING THE CITIES OF KINGSTON, NARRAGANSETT, RICHMOND,  
AND WESTERLY  
409 AM EDT THU SEP 18 2025  
 
TODAY TONIGHT FRI  
 
CLOUD COVER PCLDY MCLEAR MCLEAR  
PRECIP TYPE NONE NONE NONE  
CHANCE PRECIP (%) 10  
CHANCE OF THUNDER (%) 0 0 0  
TEMP (24H TREND) 77 (+4) 56 (-2) 80  
RH % (24H TREND) 66 (+4) 100 (0) 52  
20FT WND AM(MPH) LGT/VAR LGT/VAR  
20FT WND PM(MPH) LGT/VAR LGT/VAR NW 5  
PRECIP AMOUNT 0.00 0.00 0.00  
PRECIP DURATION  
PRECIP BEGIN  
PRECIP END  
MIXING HGT (FT-AGL) 3040 360 5790  
TRANSPORT WND (KTS) NW 6 NW 9 NW 10  
VENT RATE (KT-FT) 18240 3240 57900  
MAX ADI EARLY 5 VERY POOR 10 POOR 46 GEN GOOD  
MAX ADI LATE 21 FAIR 5 VERY POOR 70 GOOD  
MAX LVORI EARLY 6 8 2  
MAX LVORI LATE 6 8 2  
MIN VSBY EARLY 5 FOG 7 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  
   
FRIDAY NIGHT  
MOSTLY CLEAR. LOWS IN THE LOWER 50S. NORTH WINDS  
10 TO 15 MPH.    
SATURDAY AND SATURDAY NIGHT  
MOSTLY CLEAR. LOWS AROUND 50.  
HIGHS IN THE UPPER 60S. EAST WINDS 10 TO 15 MPH.    
SUNDAY THROUGH MONDAY  
PARTLY CLOUDY. LOWS IN THE UPPER 40S.  
HIGHS IN THE UPPER 60S. SOUTH WINDS 5 TO 10 MPH.    
MONDAY NIGHT AND TUESDAY  
PARTLY CLOUDY. LOWS IN THE UPPER 50S.  
HIGHS IN THE UPPER 70S. SOUTHWEST WINDS 10 TO 15 MPH.    
TUESDAY NIGHT AND WEDNESDAY  
MOSTLY CLOUDY. LOWS AROUND 60.  
HIGHS IN THE MID 70S. WEST WINDS 5 TO 10 MPH.  
 
 
 
RIZ007-182000-  
NEWPORT RI-  
INCLUDING THE CITIES OF NEWPORT, PORTSMOUTH, AND TIVERTON  
409 AM EDT THU SEP 18 2025  
 
TODAY TONIGHT FRI  
 
CLOUD COVER PCLDY MCLEAR MCLEAR  
PRECIP TYPE NONE NONE NONE  
CHANCE PRECIP (%) 20 10  
CHANCE OF THUNDER (%) 0 0 0  
TEMP (24H TREND) 76 (+3) 60 (-1) 79  
RH % (24H TREND) 66 (+4) 100 (0) 53  
20FT WND AM(MPH) N 5 NW 5  
20FT WND PM(MPH) LGT/VAR SW 5 NW 6  
PRECIP AMOUNT 0.00 0.00 0.00  
PRECIP DURATION  
PRECIP BEGIN  
PRECIP END  
MIXING HGT (FT-AGL) 1940 330 4610  
TRANSPORT WND (KTS) NW 5 NW 9 NW 9  
VENT RATE (KT-FT) 9700 2970 41490  
MAX ADI EARLY 1 VERY POOR 7 POOR 34 FAIR  
MAX ADI LATE 13 GEN POOR 5 VERY POOR 40 FAIR  
MAX LVORI EARLY 7 6 2  
MAX LVORI LATE 7 6 2  
MIN VSBY EARLY 4 FOG 8 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  
   
FRIDAY NIGHT  
MOSTLY CLEAR. LOWS IN THE MID 50S. NORTH WINDS  
10 TO 15 MPH.    
SATURDAY AND SATURDAY NIGHT  
MOSTLY CLEAR. LOWS IN THE MID 50S.  
HIGHS IN THE UPPER 60S. EAST WINDS 10 TO 15 MPH.    
SUNDAY THROUGH MONDAY  
PARTLY CLOUDY. LOWS IN THE MID 50S.  
HIGHS AROUND 70. SOUTH WINDS 5 TO 10 MPH.    
MONDAY NIGHT AND TUESDAY  
PARTLY CLOUDY. LOWS IN THE LOWER 60S.  
HIGHS IN THE MID 70S. SOUTHWEST WINDS 10 TO 15 MPH.    
TUESDAY NIGHT AND WEDNESDAY  
MOSTLY CLOUDY. LOWS IN THE LOWER  
60S. HIGHS IN THE MID 70S. SOUTHWEST WINDS 10 TO 15 MPH.  
 
 
 
RIZ008-182000-  
BLOCK ISLAND RI-  
INCLUDING THE CITY OF NEW SHOREHAM  
409 AM EDT THU SEP 18 2025  
 
TODAY TONIGHT FRI  
 
CLOUD COVER PCLDY MCLEAR MCLEAR  
PRECIP TYPE NONE NONE NONE  
CHANCE PRECIP (%) 20 10  
CHANCE OF THUNDER (%) 0 0 0  
TEMP (24H TREND) 72 (+3) 63 (0) 75  
RH % (24H TREND) 76 (-2) 100 (0) 64  
20FT WND AM(MPH) N 7 NW 7  
20FT WND PM(MPH) LGT/VAR SW 7 W 7  
PRECIP AMOUNT 0.00 0.00 0.00  
PRECIP DURATION  
PRECIP BEGIN  
PRECIP END  
MIXING HGT (FT-AGL) 1120 370 800  
TRANSPORT WND (KTS) N 7 NW 12 NW 8  
VENT RATE (KT-FT) 7840 4440 6400  
MAX ADI EARLY 10 POOR 11 POOR 15 GEN POOR  
MAX ADI LATE 10 POOR 11 POOR 14 GEN POOR  
MAX LVORI EARLY 5 6 4  
MAX LVORI LATE 5 6 4  
MIN VSBY EARLY 4 FOG 8 9  
MIN VSBY LATE 8 8 9  
SUNSHINE HOURS N/A N/A N/A  
CWR 0 0 0  
 
REMARKS...NONE.  
   
FORECAST FOR DAYS 3 THROUGH 7  
   
FRIDAY NIGHT  
MOSTLY CLEAR. LOWS IN THE UPPER 50S. NORTH WINDS  
10 TO 15 MPH.    
SATURDAY AND SATURDAY NIGHT  
MOSTLY CLEAR. LOWS IN THE UPPER  
50S. HIGHS IN THE UPPER 60S. EAST WINDS 10 TO 15 MPH.    
SUNDAY AND SUNDAY NIGHT  
PARTLY CLOUDY. LOWS IN THE UPPER 50S.  
HIGHS IN THE MID 60S. SOUTHEAST WINDS 5 TO 10 MPH.    
MONDAY  
SUNNY. HIGHS IN THE UPPER 60S. SOUTHEAST WINDS 5 TO  
10 MPH.    
MONDAY NIGHT AND TUESDAY  
PARTLY CLOUDY. LOWS IN THE LOWER 60S.  
HIGHS IN THE LOWER 70S. SOUTHWEST WINDS 10 TO 15 MPH.    
TUESDAY NIGHT  
MOSTLY CLOUDY. LOWS IN THE MID 60S. SOUTHWEST  
WINDS 5 TO 10 MPH.    
WEDNESDAY  
MOSTLY SUNNY. HIGHS IN THE LOWER 70S. SOUTHWEST  
WINDS 5 TO 10 MPH.  
 
 
 
MAZ017-182000-  
NORTHERN BRISTOL MA-  
INCLUDING THE CITIES OF ATTLEBORO, BERKLEY, EASTON, MANSFIELD,  
REHOBOTH, AND TAUNTON  
409 AM EDT THU SEP 18 2025  
 
TODAY TONIGHT FRI  
 
CLOUD COVER PCLDY MCLEAR MCLEAR  
PRECIP TYPE NONE NONE NONE  
CHANCE PRECIP (%) 20  
CHANCE OF THUNDER (%) 0 0 0  
TEMP (24H TREND) 77 (+3) 56 (0) 79  
RH % (24H TREND) 66 (+9) 100 (0) 48  
20FT WND AM(MPH) LGT/VAR LGT/VAR  
20FT WND PM(MPH) LGT/VAR LGT/VAR NW 5  
PRECIP AMOUNT 0.00 0.00 0.00  
PRECIP DURATION  
PRECIP BEGIN  
PRECIP END  
MIXING HGT (FT-AGL) 3190 390 5710  
TRANSPORT WND (KTS) W 5 W 8 NW 12  
VENT RATE (KT-FT) 15950 3120 68520  
MAX ADI EARLY 10 POOR 10 POOR 66 GOOD  
MAX ADI LATE 25 FAIR 4 VERY POOR 85 GOOD  
MAX LVORI EARLY 7 7 1  
MAX LVORI LATE 7 7 1  
MIN VSBY EARLY 4 FOG 8 3 FOG  
MIN VSBY LATE 9 1 FOG 9  
SUNSHINE HOURS N/A N/A N/A  
CWR 0 0 0  
 
REMARKS...NONE.  
   
FORECAST FOR DAYS 3 THROUGH 7  
   
FRIDAY NIGHT  
MOSTLY CLEAR. LOWS IN THE UPPER 40S. NORTH WINDS  
AROUND 5 MPH.    
SATURDAY  
SUNNY. HIGHS IN THE UPPER 60S. NORTHEAST WINDS AROUND  
5 MPH.    
SATURDAY NIGHT  
MOSTLY CLEAR. LOWS IN THE MID 40S. SOUTHEAST  
WINDS AROUND 5 MPH IN THE EVENING, BECOMING LIGHT AND VARIABLE.    
SUNDAY  
MOSTLY SUNNY. HIGHS AROUND 70. NORTHEAST WINDS AROUND  
5 MPH, BECOMING SOUTHEAST AROUND 5 MPH IN THE AFTERNOON.    
SUNDAY NIGHT AND MONDAY  
PARTLY CLOUDY. LOWS IN THE UPPER 40S.  
HIGHS IN THE MID 70S. SOUTH WINDS AROUND 5 MPH.    
MONDAY NIGHT AND TUESDAY  
PARTLY CLOUDY. LOWS IN THE MID 50S.  
HIGHS IN THE LOWER 80S. SOUTHWEST WINDS 5 TO 10 MPH.    
TUESDAY NIGHT  
MOSTLY CLOUDY. LOWS AROUND 60. SOUTHWEST WINDS  
AROUND 5 MPH.    
WEDNESDAY  
PARTLY SUNNY WITH A CHANCE OF SHOWERS. HIGHS IN THE  
UPPER 70S. NORTHWEST WINDS AROUND 5 MPH.  
 
 
 
MAZ018-182000-  
WESTERN PLYMOUTH MA-  
INCLUDING THE CITIES OF BRIDGEWATER, BROCKTON, CARVER,  
MIDDLEBORO, AND PEMBROKE  
409 AM EDT THU SEP 18 2025  
 
TODAY TONIGHT FRI  
 
CLOUD COVER MCLDY MCLEAR MCLEAR  
PRECIP TYPE SHOWERS NONE NONE  
CHANCE PRECIP (%) 20 10  
CHANCE OF THUNDER (%) 0 0 0  
TEMP (24H TREND) 77 (+4) 56 (0) 79  
RH % (24H TREND) 66 (+2) 100 (0) 51  
20FT WND AM(MPH) LGT/VAR LGT/VAR  
20FT WND PM(MPH) LGT/VAR LGT/VAR N 5  
PRECIP AMOUNT 0.02 0.00 0.00  
PRECIP DURATION 0  
PRECIP BEGIN 6 AM  
PRECIP END 9 AM  
MIXING HGT (FT-AGL) 2880 390 5850  
TRANSPORT WND (KTS) W 5 W 8 NW 12  
VENT RATE (KT-FT) 14400 3120 70200  
MAX ADI EARLY 9 POOR 10 POOR 65 GOOD  
MAX ADI LATE 17 GEN POOR 5 VERY POOR 86 GOOD  
MAX LVORI EARLY 8 8 1  
MAX LVORI LATE 8 8 1  
MIN VSBY EARLY 3 FOG 8 2 FOG  
MIN VSBY LATE 7 0 FOG 9  
SUNSHINE HOURS N/A N/A N/A  
CWR 20 0 0  
 
REMARKS...NONE.  
   
FORECAST FOR DAYS 3 THROUGH 7  
   
FRIDAY NIGHT  
MOSTLY CLEAR. LOWS IN THE UPPER 40S. NORTH WINDS  
AROUND 5 MPH.    
SATURDAY  
SUNNY. HIGHS IN THE UPPER 60S. NORTHEAST WINDS AROUND  
5 MPH.    
SATURDAY NIGHT  
MOSTLY CLEAR. LOWS IN THE MID 40S. SOUTHEAST  
WINDS AROUND 5 MPH IN THE EVENING, BECOMING LIGHT AND VARIABLE.    
SUNDAY  
MOSTLY SUNNY. HIGHS AROUND 70. NORTHEAST WINDS AROUND  
5 MPH, BECOMING SOUTHEAST AROUND 5 MPH IN THE AFTERNOON.    
SUNDAY NIGHT  
PARTLY CLOUDY. LOWS IN THE UPPER 40S. SOUTH WINDS  
AROUND 5 MPH.    
MONDAY  
SUNNY. HIGHS IN THE MID 70S. SOUTHWEST WINDS AROUND  
5 MPH.    
MONDAY NIGHT AND TUESDAY  
PARTLY CLOUDY. LOWS IN THE MID 50S.  
HIGHS IN THE LOWER 80S. SOUTHWEST WINDS 5 TO 10 MPH.    
TUESDAY NIGHT  
MOSTLY CLOUDY. LOWS IN THE UPPER 50S. SOUTHWEST  
WINDS AROUND 5 MPH.    
WEDNESDAY  
PARTLY SUNNY WITH A CHANCE OF SHOWERS. HIGHS IN THE  
UPPER 70S. NORTHWEST WINDS AROUND 5 MPH, BECOMING NORTH IN THE  
AFTERNOON.  
 
 
 
MAZ019-182000-  
EASTERN PLYMOUTH MA-  
INCLUDING THE CITIES OF COHASSET, HINGHAM, MARSHFIELD, PLYMOUTH,  
AND SCITUATE  
409 AM EDT THU SEP 18 2025  
 
TODAY TONIGHT FRI  
 
CLOUD COVER PCLDY MCLEAR MCLEAR  
PRECIP TYPE SHOWERS NONE NONE  
CHANCE PRECIP (%) 30 10  
CHANCE OF THUNDER (%) 0 0 0  
TEMP (24H TREND) 76 (+6) 57 (-1) 78  
RH % (24H TREND) 66 (0) 100 (0) 51  
20FT WND AM(MPH) N 5 NW 6  
20FT WND PM(MPH) LGT/VAR LGT/VAR N 6  
PRECIP AMOUNT 0.01 0.00 0.00  
PRECIP DURATION 0  
PRECIP BEGIN 6 AM  
PRECIP END 9 AM  
MIXING HGT (FT-AGL) 1740 360 4330  
TRANSPORT WND (KTS) N 5 W 11 NW 11  
VENT RATE (KT-FT) 8700 3960 47630  
MAX ADI EARLY 1 VERY POOR 6 VERY POOR 49 GEN GOOD  
MAX ADI LATE 10 POOR 6 VERY POOR 52 GEN GOOD  
MAX LVORI EARLY 8 6 3  
MAX LVORI LATE 8 6 3  
MIN VSBY EARLY 3 FOG 7 7  
MIN VSBY LATE 5 FOG 6 FOG 9  
SUNSHINE HOURS N/A N/A N/A  
CWR 20 0 0  
 
REMARKS...NONE.  
   
FORECAST FOR DAYS 3 THROUGH 7  
   
FRIDAY NIGHT  
MOSTLY CLEAR. LOWS IN THE LOWER 50S. NORTH WINDS  
10 TO 15 MPH.    
SATURDAY  
SUNNY. HIGHS IN THE MID 60S. NORTHEAST WINDS 10 TO  
15 MPH.    
SATURDAY NIGHT  
MOSTLY CLEAR. LOWS IN THE UPPER 40S. SOUTH  
WINDS AROUND 5 MPH.    
SUNDAY  
MOSTLY SUNNY. HIGHS IN THE UPPER 60S. EAST WINDS 5 TO  
10 MPH.    
SUNDAY NIGHT  
PARTLY CLOUDY. LOWS IN THE LOWER 50S. SOUTH WINDS  
5 TO 10 MPH.    
MONDAY  
SUNNY. HIGHS IN THE LOWER 70S. SOUTH WINDS 5 TO 10 MPH.   
MONDAY NIGHT AND TUESDAY  
PARTLY CLOUDY. LOWS IN THE UPPER 50S.  
HIGHS IN THE UPPER 70S. SOUTHWEST WINDS 10 TO 15 MPH.    
TUESDAY NIGHT  
MOSTLY CLOUDY. LOWS IN THE LOWER 60S. SOUTHWEST  
WINDS 10 TO 15 MPH.    
WEDNESDAY  
PARTLY SUNNY WITH A CHANCE OF SHOWERS. HIGHS IN THE  
MID 70S. NORTHWEST WINDS 5 TO 10 MPH, BECOMING NORTHEAST 10 TO  
15 MPH IN THE AFTERNOON.  
 
 
 
MAZ020-182000-  
SOUTHERN BRISTOL MA-  
INCLUDING THE CITIES OF ACUSHNET, FALL RIVER, NEW BEDFORD,  
SWANSEA, AND WESTPORT  
409 AM EDT THU SEP 18 2025  
 
TODAY TONIGHT FRI  
 
CLOUD COVER PCLDY MCLEAR MCLEAR  
PRECIP TYPE NONE NONE NONE  
CHANCE PRECIP (%) 20 10  
CHANCE OF THUNDER (%) 0 0 0  
TEMP (24H TREND) 77 (+3) 56 (-3) 80  
RH % (24H TREND) 69 (+10) 100 (0) 50  
20FT WND AM(MPH) LGT/VAR LGT/VAR  
20FT WND PM(MPH) LGT/VAR LGT/VAR NW 5  
PRECIP AMOUNT 0.00 0.00 0.00  
PRECIP DURATION  
PRECIP BEGIN  
PRECIP END  
MIXING HGT (FT-AGL) 2770 370 5880  
TRANSPORT WND (KTS) NW 5 W 9 NW 10  
VENT RATE (KT-FT) 13850 3330 58800  
MAX ADI EARLY 1 VERY POOR 9 POOR 50 GEN GOOD  
MAX ADI LATE 17 GEN POOR 5 VERY POOR 71 GOOD  
MAX LVORI EARLY 8 8 2  
MAX LVORI LATE 8 8 2  
MIN VSBY EARLY 3 FOG 8 5 FOG  
MIN VSBY LATE 8 2 FOG 9  
SUNSHINE HOURS N/A N/A N/A  
CWR 0 0 0  
 
REMARKS...NONE.  
   
FORECAST FOR DAYS 3 THROUGH 7  
   
FRIDAY NIGHT  
MOSTLY CLEAR. LOWS IN THE LOWER 50S. NORTH WINDS  
10 TO 15 MPH.    
SATURDAY AND SATURDAY NIGHT  
MOSTLY CLEAR. LOWS AROUND 50.  
HIGHS IN THE UPPER 60S. EAST WINDS 10 TO 15 MPH.    
SUNDAY THROUGH MONDAY  
PARTLY CLOUDY. LOWS IN THE LOWER 50S.  
HIGHS IN THE LOWER 70S. SOUTH WINDS 5 TO 10 MPH.    
MONDAY NIGHT AND TUESDAY  
PARTLY CLOUDY. LOWS IN THE UPPER 50S.  
HIGHS IN THE UPPER 70S. SOUTHWEST WINDS 10 TO 15 MPH.    
TUESDAY NIGHT AND WEDNESDAY  
MOSTLY CLOUDY. LOWS IN THE LOWER  
60S. HIGHS IN THE MID 70S. SOUTHWEST WINDS 10 TO 15 MPH.  
 
 
 
MAZ021-182000-  
SOUTHERN PLYMOUTH MA-  
INCLUDING THE CITIES OF MARION, MATTAPOISETT, ROCHESTER,  
AND WAREHAM  
409 AM EDT THU SEP 18 2025  
 
TODAY TONIGHT FRI  
 
CLOUD COVER MCLDY MCLEAR MCLEAR  
PRECIP TYPE SHOWERS NONE NONE  
CHANCE PRECIP (%) 20 10  
CHANCE OF THUNDER (%) 0 0 0  
TEMP (24H TREND) 77 (+4) 57 (-2) 80  
RH % (24H TREND) 74 (+8) 100 (0) 56  
20FT WND AM(MPH) LGT/VAR LGT/VAR  
20FT WND PM(MPH) LGT/VAR LGT/VAR N 5  
PRECIP AMOUNT 0.00 0.00 0.00  
PRECIP DURATION  
PRECIP BEGIN  
PRECIP END  
MIXING HGT (FT-AGL) 2500 410 5770  
TRANSPORT WND (KTS) NW 5 W 9 NW 10  
VENT RATE (KT-FT) 12500 3690 57700  
MAX ADI EARLY 9 POOR 8 POOR 54 GEN GOOD  
MAX ADI LATE 14 GEN POOR 5 VERY POOR 72 GOOD  
MAX LVORI EARLY 8 8 2  
MAX LVORI LATE 8 8 2  
MIN VSBY EARLY 3 FOG 8 3 FOG  
MIN VSBY LATE 6 FOG 0 FOG 9  
SUNSHINE HOURS N/A N/A N/A  
CWR 20 0 0  
 
REMARKS...NONE.  
   
FORECAST FOR DAYS 3 THROUGH 7  
   
FRIDAY NIGHT  
MOSTLY CLEAR. LOWS IN THE LOWER 50S. NORTH WINDS  
10 TO 15 MPH.    
SATURDAY  
SUNNY. HIGHS IN THE UPPER 60S. NORTHEAST WINDS 5 TO  
10 MPH.    
SATURDAY NIGHT  
MOSTLY CLEAR. LOWS IN THE UPPER 40S. SOUTHEAST  
WINDS AROUND 5 MPH.    
SUNDAY THROUGH MONDAY  
PARTLY CLOUDY. LOWS AROUND 50. HIGHS IN  
THE LOWER 70S. SOUTH WINDS 5 TO 10 MPH.    
MONDAY NIGHT AND TUESDAY  
PARTLY CLOUDY. LOWS IN THE UPPER 50S.  
HIGHS IN THE UPPER 70S. SOUTHWEST WINDS 10 TO 15 MPH.    
TUESDAY NIGHT AND WEDNESDAY  
MOSTLY CLOUDY. LOWS IN THE LOWER  
60S. HIGHS IN THE MID 70S. SOUTH WINDS 10 TO 15 MPH.  
 
 
 
MAZ022-182000-  
BARNSTABLE MA-  
INCLUDING THE CITIES OF BOURNE, CHATHAM, FALMOUTH, HYANNIS,  
PROVINCETOWN, AND WELLFLEET  
409 AM EDT THU SEP 18 2025  
 
TODAY TONIGHT FRI  
 
CLOUD COVER MCLDY MCLEAR MCLEAR  
PRECIP TYPE SHOWERS NONE NONE  
CHANCE PRECIP (%) 30 10  
CHANCE OF THUNDER (%) 0 0 0  
TEMP (24H TREND) 74 (+3) 59 (-1) 75  
RH % (24H TREND) 73 (+7) 100 (0) 58  
20FT WND AM(MPH) LGT/VAR NW 6  
20FT WND PM(MPH) LGT/VAR LGT/VAR N 6  
PRECIP AMOUNT 0.02 0.00 0.00  
PRECIP DURATION 1  
PRECIP BEGIN 6 AM  
PRECIP END 10 AM  
MIXING HGT (FT-AGL) 1540 370 3290  
TRANSPORT WND (KTS) NW 5 W 12 N 12  
VENT RATE (KT-FT) 7700 4440 39480  
MAX ADI EARLY 2 VERY POOR 6 VERY POOR 33 FAIR  
MAX ADI LATE 10 POOR 6 VERY POOR 33 FAIR  
MAX LVORI EARLY 8 8 3  
MAX LVORI LATE 8 8 3  
MIN VSBY EARLY 3 FOG 5 FOG 7  
MIN VSBY LATE 3 FOG 5 FOG 9  
SUNSHINE HOURS N/A N/A N/A  
CWR 20 0 0  
 
REMARKS...NONE.  
   
FORECAST FOR DAYS 3 THROUGH 7  
   
FRIDAY NIGHT  
MOSTLY CLEAR. LOWS IN THE LOWER 50S. NORTHEAST  
WINDS 10 TO 15 MPH.    
SATURDAY  
SUNNY. HIGHS IN THE MID 60S. NORTHEAST WINDS 10 TO  
15 MPH.    
SATURDAY NIGHT  
MOSTLY CLEAR. LOWS IN THE LOWER 50S. EAST WINDS  
5 TO 10 MPH.    
SUNDAY AND SUNDAY NIGHT  
PARTLY CLOUDY. LOWS IN THE MID 50S.  
HIGHS IN THE UPPER 60S. SOUTH WINDS 5 TO 10 MPH.    
MONDAY  
SUNNY. HIGHS IN THE LOWER 70S. SOUTH WINDS 5 TO 10 MPH.   
MONDAY NIGHT AND TUESDAY  
PARTLY CLOUDY. LOWS IN THE UPPER 50S.  
HIGHS IN THE MID 70S. SOUTHWEST WINDS 10 TO 15 MPH.    
TUESDAY NIGHT AND WEDNESDAY  
MOSTLY CLOUDY. LOWS IN THE LOWER  
60S. HIGHS IN THE LOWER 70S. EAST WINDS 10 TO 15 MPH.  
 
 
 
MAZ023-182000-  
DUKES MA-  
INCLUDING THE CITIES OF EDGARTOWN, OAK BLUFFS, AND VINEYARD HAVEN  
409 AM EDT THU SEP 18 2025  
 
TODAY TONIGHT FRI  
 
CLOUD COVER PCLDY MCLEAR MCLEAR  
PRECIP TYPE NONE NONE NONE  
CHANCE PRECIP (%) 20 10  
CHANCE OF THUNDER (%) 0 0 0  
TEMP (24H TREND) 74 (+3) 59 (-2) 77  
RH % (24H TREND) 73 (0) 100 (0) 62  
20FT WND AM(MPH) NE 5 NW 6  
20FT WND PM(MPH) LGT/VAR SW 5 NW 6  
PRECIP AMOUNT 0.00 0.00 0.00  
PRECIP DURATION  
PRECIP BEGIN  
PRECIP END  
MIXING HGT (FT-AGL) 1330 400 2180  
TRANSPORT WND (KTS) NW 6 W 12 NW 8  
VENT RATE (KT-FT) 7980 4800 17440  
MAX ADI EARLY 1 VERY POOR 8 POOR 19 GEN POOR  
MAX ADI LATE 10 POOR 11 POOR 19 GEN POOR  
MAX LVORI EARLY 8 6 3  
MAX LVORI LATE 8 6 3  
MIN VSBY EARLY 3 FOG 6 FOG 8  
MIN VSBY LATE 5 FOG 6 FOG 9  
SUNSHINE HOURS N/A N/A N/A  
CWR 0 0 0  
 
REMARKS...NONE.  
   
FORECAST FOR DAYS 3 THROUGH 7  
   
FRIDAY NIGHT  
MOSTLY CLEAR. LOWS IN THE LOWER 50S. NORTHEAST  
WINDS 10 TO 15 MPH.    
SATURDAY AND SATURDAY NIGHT  
MOSTLY CLEAR. LOWS IN THE LOWER  
50S. HIGHS IN THE UPPER 60S. EAST WINDS 10 TO 15 MPH.    
SUNDAY THROUGH TUESDAY  
PARTLY CLOUDY. LOWS 53 TO 59. HIGHS  
67 TO 73. SOUTHWEST WINDS 10 TO 15 MPH.    
TUESDAY NIGHT  
MOSTLY CLOUDY. LOWS IN THE LOWER 60S. SOUTHWEST  
WINDS 10 TO 15 MPH.    
WEDNESDAY  
MOSTLY SUNNY. HIGHS IN THE LOWER 70S. SOUTHWEST  
WINDS 10 TO 15 MPH.  
 
 
 
MAZ024-182000-  
NANTUCKET MA-  
INCLUDING THE CITY OF NANTUCKET  
409 AM EDT THU SEP 18 2025  
 
TODAY TONIGHT FRI  
 
CLOUD COVER MCLDY PCLDY MCLEAR  
PRECIP TYPE SHOWERS NONE NONE  
CHANCE PRECIP (%) 20 10  
CHANCE OF THUNDER (%) 0 0 0  
TEMP (24H TREND) 73 (+3) 62 (0) 74  
RH % (24H TREND) 79 (+6) 100 (0) 66  
20FT WND AM(MPH) LGT/VAR NW 8  
20FT WND PM(MPH) LGT/VAR LGT/VAR N 7  
PRECIP AMOUNT 0.02 0.00 0.00  
PRECIP DURATION 0  
PRECIP BEGIN 6 AM  
PRECIP END 6 PM  
MIXING HGT (FT-AGL) 970 510 1380  
TRANSPORT WND (KTS) W 5 W 14 NE 8  
VENT RATE (KT-FT) 4850 7140 11040  
MAX ADI EARLY 1 VERY POOR 8 POOR 18 GEN POOR  
MAX ADI LATE 8 POOR 13 GEN POOR 18 GEN POOR  
MAX LVORI EARLY 8 7 4  
MAX LVORI LATE 8 7 4  
MIN VSBY EARLY 3 FOG 4 FOG 7  
MIN VSBY LATE 3 FOG 3 FOG 9  
SUNSHINE HOURS N/A N/A N/A  
CWR 10 0 0  
 
REMARKS...NONE.  
   
FORECAST FOR DAYS 3 THROUGH 7  
   
FRIDAY NIGHT  
PARTLY CLOUDY. LOWS IN THE MID 50S. NORTHEAST  
WINDS 10 TO 15 MPH.    
SATURDAY  
SUNNY. HIGHS IN THE MID 60S. NORTHEAST WINDS 10 TO  
15 MPH.    
SATURDAY NIGHT  
MOSTLY CLEAR. LOWS IN THE MID 50S. EAST WINDS  
5 TO 10 MPH.    
SUNDAY  
MOSTLY SUNNY. HIGHS IN THE MID 60S. EAST WINDS 5 TO  
10 MPH.    
SUNDAY NIGHT  
MOSTLY CLOUDY. LOWS IN THE UPPER 50S. SOUTHEAST  
WINDS 5 TO 10 MPH.    
MONDAY  
SUNNY. HIGHS IN THE UPPER 60S. SOUTHEAST WINDS 5 TO  
10 MPH.    
MONDAY NIGHT AND TUESDAY  
PARTLY CLOUDY. LOWS IN THE LOWER 60S.  
HIGHS IN THE LOWER 70S. SOUTHWEST WINDS 10 TO 15 MPH.    
TUESDAY NIGHT  
MOSTLY CLOUDY. LOWS IN THE LOWER 60S. SOUTHWEST  
WINDS 10 TO 15 MPH.    
WEDNESDAY  
MOSTLY SUNNY. HIGHS IN THE LOWER 70S. WEST WINDS  
10 TO 15 MPH, BECOMING NORTHWEST IN THE AFTERNOON.  
 
 
   
OUTLOOK 8 TO 14 DAYS  
 
TEMPERATURES ABOVE NORMAL. PRECIPITATION NEAR NORMAL.  
 
 
 
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