194  
FNUS51 KBOX 172007  
FWFBOX  
 
FIRE WEATHER PLANNING FORECAST FOR SOUTHERN NEW ENGLAND  
NATIONAL WEATHER SERVICE BOSTON/NORTON MA  
407 PM EDT THU SEP 17 2026  
   
DISCUSSION
 
 
 
SHOWER CHANCES THIS AFTERNOON AND OVERNIGHT. A COLD FRONT MOVES  
OFF SHORE TOMORROW AND HIGH PRESSURE BUILD IN FROM THE WNW  
TOMORROW WITH DRIER CONDITIONS AND LOWERING DEW POINTS. HIGH  
PRESSURE PROVIDES DRY AND FALL-LIKE CONDITIONS INTO SATURDAY.  
 
MINIMUM VALUES OF RELATIVE HUMIDITY TOMORROW ARE 50 PERCENT,  
THOUGH THE EXCEPTION OF 60-70 PERCENT FOR CAPE COD AND ISLANDS.  
SATURDAY THOSE VALUES ARE LOWERING, 35-50 PERCENT FOR MOST AND  
45-60 PERCENT FOR CAPE COD AND ISLANDS.  
   
OUTLOOK...SUNDAY THROUGH TUESDAY
 
 
 
SHOWERS RETURN ON SUNDAY, WHICH COULD BE HEAVY AT TIMES, POSSIBLY  
LINGERING THROUGH EARLY NEXT WEEK.  
 
MAZ015-180800-  
SUFFOLK MA-  
INCLUDING THE CITY OF BOSTON  
407 PM EDT THU SEP 17 2026  
 
TONIGHT FRI FRI NIGHT SAT  
 
CLOUD COVER MCLDY MCLEAR MCLEAR MCLEAR  
PRECIP TYPE TSTMS NONE NONE NONE  
CHANCE PRECIP (%) 50 10  
CHANCE OF THUNDER (%) 20 0 0 0  
TEMP (24H TREND) 66 (+3) 77 (+1) 48 64  
RH % (24H TREND) 100 (+3) 44 (-10) 83 48  
20FT WND AM(MPH) NW 7 NE 5  
20FT WND PM(MPH) S 5 NW 8 N 7 E 5  
PRECIP AMOUNT 0.33 0.00 0.00 0.00  
PRECIP DURATION 2  
PRECIP BEGIN 6 PM  
PRECIP END 6 AM  
MIXING HGT (FT-AGL) 430 5070 500 3850  
TRANSPORT WND (KTS) S 10 NW 13 N 9 NE 7  
VENT RATE (KT-FT) 4300 65910 4500 26950  
MAX ADI EARLY 11 POOR 36 FAIR 17 GEN POOR 37 FAIR  
MAX ADI LATE 8 POOR 40 FAIR 8 POOR 35 FAIR  
MAX LVORI EARLY 8 2 3 2  
MAX LVORI LATE 8 2 3 2  
MIN VSBY EARLY 7 3 FOG 10 10  
MIN VSBY LATE 3 FOG 10 10 10  
SUNSHINE HOURS N/A N/A N/A N/A  
CWR 50 0 0 0  
 
REMARKS...NONE.  
   
FORECAST FOR DAYS 3 THROUGH 7
 
   
SATURDAY NIGHT
 
PARTLY CLOUDY. LOWS IN THE LOWER 50S. SOUTHEAST  
WINDS 5 TO 10 MPH.    
SUNDAY
 
MOSTLY CLOUDY WITH SHOWERS LIKELY. HIGHS IN THE MID  
60S. SOUTHEAST WINDS 5 TO 10 MPH.    
SUNDAY NIGHT
 
MOSTLY CLOUDY WITH SHOWERS LIKELY. LOWS IN THE  
MID 50S. SOUTHEAST WINDS 5 TO 10 MPH, BECOMING NORTHEAST AFTER  
MIDNIGHT.    
MONDAY
 
PARTLY SUNNY WITH A CHANCE OF SHOWERS. HIGHS IN THE MID  
60S. NORTHEAST WINDS 5 TO 10 MPH.    
MONDAY NIGHT AND TUESDAY
 
MOSTLY CLOUDY. LOWS IN THE LOWER 50S.  
HIGHS IN THE UPPER 50S. NORTHEAST WINDS 10 TO 15 MPH.    
TUESDAY NIGHT THROUGH WEDNESDAY NIGHT
 
PARTLY CLOUDY. LOWS IN  
THE LOWER 50S. HIGHS AROUND 60. NORTHEAST WINDS 15 TO 20 MPH.    
THURSDAY
 
PARTLY SUNNY WITH A CHANCE OF SHOWERS. HIGHS IN THE  
LOWER 60S. NORTHEAST WINDS 15 TO 20 MPH.  
 

 
 
MAZ016-180800-  
EASTERN NORFOLK MA-  
INCLUDING THE CITY OF QUINCY  
407 PM EDT THU SEP 17 2026  
 
TONIGHT FRI FRI NIGHT SAT  
 
CLOUD COVER MCLDY MCLEAR MCLEAR MCLEAR  
PRECIP TYPE TSTMS NONE NONE NONE  
CHANCE PRECIP (%) 60 20  
CHANCE OF THUNDER (%) 20 0 0 0  
TEMP (24H TREND) 65 (+3) 77 (-1) 48 64  
RH % (24H TREND) 100 (0) 44 (-20) 80 50  
20FT WND AM(MPH) NW 7 NE 5  
20FT WND PM(MPH) S 6 N 8 N 7 E 5  
PRECIP AMOUNT 0.22 0.00 0.00 0.00  
PRECIP DURATION 3  
PRECIP BEGIN 6 PM  
PRECIP END 6 AM  
MIXING HGT (FT-AGL) 430 5520 470 3680  
TRANSPORT WND (KTS) S 10 N 13 N 9 NE 8  
VENT RATE (KT-FT) 4300 71760 4230 29440  
MAX ADI EARLY 12 POOR 40 FAIR 26 FAIR 44 GEN GOOD  
MAX ADI LATE 12 POOR 46 GEN GOOD 8 POOR 41 GEN GOOD  
MAX LVORI EARLY 8 1 4 2  
MAX LVORI LATE 8 1 4 2  
MIN VSBY EARLY 10 3 FOG 10 10  
MIN VSBY LATE 5 FOG 10 10 10  
SUNSHINE HOURS N/A N/A N/A N/A  
CWR 50 0 0 0  
 
REMARKS...NONE.  
   
FORECAST FOR DAYS 3 THROUGH 7
 
   
SATURDAY NIGHT
 
PARTLY CLOUDY. LOWS IN THE LOWER 50S. SOUTHEAST  
WINDS AROUND 5 MPH.    
SUNDAY
 
MOSTLY CLOUDY WITH SHOWERS LIKELY. HIGHS IN THE MID  
60S. SOUTHEAST WINDS AROUND 5 MPH.    
SUNDAY NIGHT
 
CLOUDY WITH SHOWERS LIKELY. LOWS IN THE MID 50S.  
SOUTHEAST WINDS AROUND 5 MPH, BECOMING NORTHEAST AFTER MIDNIGHT.    
MONDAY
 
PARTLY SUNNY WITH A CHANCE OF SHOWERS. HIGHS IN THE MID  
60S. NORTHEAST WINDS 5 TO 10 MPH.    
MONDAY NIGHT AND TUESDAY
 
MOSTLY CLOUDY. LOWS IN THE LOWER 50S.  
HIGHS IN THE UPPER 50S. NORTHEAST WINDS 10 TO 15 MPH.    
TUESDAY NIGHT THROUGH WEDNESDAY NIGHT
 
PARTLY CLOUDY. LOWS IN  
THE LOWER 50S. HIGHS IN THE LOWER 60S. NORTHEAST WINDS 15 TO  
20 MPH.    
THURSDAY
 
PARTLY SUNNY WITH A CHANCE OF SHOWERS. HIGHS IN THE  
LOWER 60S. NORTHEAST WINDS 15 TO 20 MPH.  
 

 
 
MAZ013-180800-  
WESTERN NORFOLK MA-  
INCLUDING THE CITIES OF FOXBOROUGH AND NORWOOD  
407 PM EDT THU SEP 17 2026  
 
TONIGHT FRI FRI NIGHT SAT  
 
CLOUD COVER MCLDY MCLEAR PCLDY MCLEAR  
PRECIP TYPE TSTMS NONE NONE NONE  
CHANCE PRECIP (%) 50 20  
CHANCE OF THUNDER (%) 20 0 0 0  
TEMP (24H TREND) 65 (+5) 77 (-1) 43 67  
RH % (24H TREND) 100 (0) 44 (-16) 93 45  
20FT WND AM(MPH) NW 6 LGT/VAR  
20FT WND PM(MPH) LGT/VAR N 7 N 5 LGT/VAR  
PRECIP AMOUNT 0.16 0.00 0.00 0.00  
PRECIP DURATION 2  
PRECIP BEGIN 6 PM  
PRECIP END 6 AM  
MIXING HGT (FT-AGL) 430 5840 420 4300  
TRANSPORT WND (KTS) SW 11 N 14 N 7 NE 5  
VENT RATE (KT-FT) 4730 81760 2940 21500  
MAX ADI EARLY 9 POOR 43 GEN GOOD 42 GEN GOOD 39 FAIR  
MAX ADI LATE 9 POOR 53 GEN GOOD 7 POOR 38 FAIR  
MAX LVORI EARLY 9 1 5 2  
MAX LVORI LATE 9 1 5 2  
MIN VSBY EARLY 10 3 FOG 10 10  
MIN VSBY LATE 4 FOG 10 10 10  
SUNSHINE HOURS N/A N/A N/A N/A  
CWR 40 0 0 0  
 
REMARKS...NONE.  
   
FORECAST FOR DAYS 3 THROUGH 7
 
   
SATURDAY NIGHT
 
PARTLY CLOUDY. LOWS IN THE UPPER 40S. SOUTHEAST  
WINDS AROUND 5 MPH.    
SUNDAY
 
MOSTLY CLOUDY WITH SHOWERS LIKELY. HIGHS IN THE MID  
60S. SOUTHEAST WINDS AROUND 5 MPH.    
SUNDAY NIGHT
 
CLOUDY WITH SHOWERS LIKELY. LOWS IN THE LOWER  
50S. EAST WINDS AROUND 5 MPH, BECOMING NORTHEAST AFTER MIDNIGHT.    
MONDAY
 
MOSTLY CLOUDY WITH A CHANCE OF SHOWERS. HIGHS IN THE  
MID 60S. NORTHEAST WINDS 5 TO 10 MPH.    
MONDAY NIGHT AND TUESDAY
 
MOSTLY CLOUDY. LOWS AROUND 50. HIGHS  
IN THE UPPER 50S. NORTHEAST WINDS 5 TO 10 MPH.    
TUESDAY NIGHT THROUGH WEDNESDAY NIGHT
 
PARTLY CLOUDY. LOWS IN  
THE UPPER 40S. HIGHS IN THE LOWER 60S. NORTHEAST WINDS 10 TO  
15 MPH.    
THURSDAY
 
PARTLY SUNNY WITH A CHANCE OF SHOWERS. HIGHS IN THE  
LOWER 60S. NORTHEAST WINDS 5 TO 10 MPH.  
 

 
 
MAZ014-180800-  
SOUTHEAST MIDDLESEX MA-  
INCLUDING THE CITY OF CAMBRIDGE  
407 PM EDT THU SEP 17 2026  
 
TONIGHT FRI FRI NIGHT SAT  
 
CLOUD COVER MCLDY MCLEAR PCLDY MCLEAR  
PRECIP TYPE TSTMS NONE NONE NONE  
CHANCE PRECIP (%) 60 10  
CHANCE OF THUNDER (%) 20 0 0 0  
TEMP (24H TREND) 65 (+3) 77 (-1) 45 65  
RH % (24H TREND) 100 (+3) 44 (-12) 89 46  
20FT WND AM(MPH) NW 6 LGT/VAR  
20FT WND PM(MPH) LGT/VAR NW 9 N 7 LGT/VAR  
PRECIP AMOUNT 0.37 0.00 0.00 0.00  
PRECIP DURATION 3  
PRECIP BEGIN 6 PM  
PRECIP END 6 AM  
MIXING HGT (FT-AGL) 450 6040 410 4130  
TRANSPORT WND (KTS) S 10 NW 16 N 8 NE 5  
VENT RATE (KT-FT) 4500 96640 3280 20650  
MAX ADI EARLY 8 POOR 42 GEN GOOD 36 FAIR 35 FAIR  
MAX ADI LATE 8 POOR 59 GEN GOOD 6 VERY POOR 33 FAIR  
MAX LVORI EARLY 9 1 4 2  
MAX LVORI LATE 9 1 4 2  
MIN VSBY EARLY 5 FOG 3 FOG 10 10  
MIN VSBY LATE 3 FOG 10 10 10  
SUNSHINE HOURS N/A N/A N/A N/A  
CWR 50 0 0 0  
 
REMARKS...NONE.  
   
FORECAST FOR DAYS 3 THROUGH 7
 
   
SATURDAY NIGHT
 
PARTLY CLOUDY. LOWS IN THE LOWER 50S. SOUTHEAST  
WINDS AROUND 5 MPH.    
SUNDAY
 
MOSTLY CLOUDY WITH SHOWERS LIKELY. HIGHS IN THE MID  
60S. SOUTHEAST WINDS AROUND 5 MPH.    
SUNDAY NIGHT
 
CLOUDY WITH SHOWERS LIKELY. LOWS IN THE MID 50S.  
EAST WINDS AROUND 5 MPH, BECOMING NORTHEAST AFTER MIDNIGHT.    
MONDAY
 
PARTLY SUNNY WITH A CHANCE OF SHOWERS. HIGHS IN THE MID  
60S. NORTHEAST WINDS 5 TO 10 MPH.    
MONDAY NIGHT AND TUESDAY
 
MOSTLY CLOUDY. LOWS IN THE LOWER 50S.  
HIGHS IN THE UPPER 50S. NORTHEAST WINDS 5 TO 10 MPH.    
TUESDAY NIGHT THROUGH THURSDAY
 
PARTLY CLOUDY. LOWS AROUND 50.  
HIGHS IN THE LOWER 60S. EAST WINDS 10 TO 15 MPH.  
 

 
 
MAZ007-180800-  
EASTERN ESSEX MA-  
INCLUDING THE CITY OF GLOUCESTER  
407 PM EDT THU SEP 17 2026  
 
TONIGHT FRI FRI NIGHT SAT  
 
CLOUD COVER MCLDY MCLEAR PCLDY MCLEAR  
PRECIP TYPE TSTMS NONE NONE NONE  
CHANCE PRECIP (%) 60 10  
CHANCE OF THUNDER (%) 20 0 0 0  
TEMP (24H TREND) 64 (+2) 76 (+3) 45 63  
RH % (24H TREND) 100 (0) 43 (-15) 89 48  
20FT WND AM(MPH) NW 6 N 5  
20FT WND PM(MPH) LGT/VAR NW 8 NW 7 LGT/VAR  
PRECIP AMOUNT 0.38 0.00 0.00 0.00  
PRECIP DURATION 5  
PRECIP BEGIN 6 PM  
PRECIP END 6 AM  
MIXING HGT (FT-AGL) 410 4900 410 3810  
TRANSPORT WND (KTS) SE 7 NW 13 NW 12 NE 7  
VENT RATE (KT-FT) 2870 63700 4920 26670  
MAX ADI EARLY 8 POOR 30 FAIR 16 GEN POOR 37 FAIR  
MAX ADI LATE 8 POOR 33 FAIR 9 POOR 34 FAIR  
MAX LVORI EARLY 9 2 4 2  
MAX LVORI LATE 9 2 4 2  
MIN VSBY EARLY 3 FOG 3 FOG 10 10  
MIN VSBY LATE 3 FOG 10 10 10  
SUNSHINE HOURS N/A N/A N/A N/A  
CWR 60 0 0 0  
 
REMARKS...NONE.  
   
FORECAST FOR DAYS 3 THROUGH 7
 
   
SATURDAY NIGHT
 
PARTLY CLOUDY. LOWS IN THE LOWER 50S. SOUTH  
WINDS AROUND 5 MPH.    
SUNDAY
 
MOSTLY CLOUDY WITH SHOWERS LIKELY. HIGHS IN THE MID  
60S. SOUTHEAST WINDS 5 TO 10 MPH.    
SUNDAY NIGHT
 
MOSTLY CLOUDY WITH SHOWERS LIKELY. LOWS IN THE  
MID 50S. EAST WINDS AROUND 5 MPH, BECOMING NORTHEAST AFTER  
MIDNIGHT.    
MONDAY
 
PARTLY SUNNY WITH A CHANCE OF SHOWERS. HIGHS IN THE MID  
60S. NORTHEAST WINDS 10 TO 15 MPH.    
MONDAY NIGHT AND TUESDAY
 
MOSTLY CLOUDY. LOWS IN THE LOWER 50S.  
HIGHS AROUND 60. NORTHEAST WINDS 10 TO 15 MPH.    
TUESDAY NIGHT
 
PARTLY CLOUDY. LOWS IN THE LOWER 50S. NORTHEAST  
WINDS 10 TO 15 MPH.    
WEDNESDAY
 
SUNNY. HIGHS IN THE LOWER 60S. NORTHEAST WINDS 15 TO  
20 MPH.    
WEDNESDAY NIGHT AND THURSDAY
 
PARTLY CLOUDY. LOWS IN THE LOWER  
50S. HIGHS IN THE LOWER 60S. NORTHEAST WINDS 15 TO 20 MPH.  
 

 
 
MAZ006-180800-  
WESTERN ESSEX MA-  
INCLUDING THE CITY OF LAWRENCE  
407 PM EDT THU SEP 17 2026  
 
TONIGHT FRI FRI NIGHT SAT  
 
CLOUD COVER MCLDY MCLEAR PCLDY MCLEAR  
PRECIP TYPE TSTMS NONE NONE NONE  
CHANCE PRECIP (%) 60 10  
CHANCE OF THUNDER (%) 20 0 0 0  
TEMP (24H TREND) 63 (+2) 76 (0) 44 65  
RH % (24H TREND) 100 (0) 44 (-12) 89 42  
20FT WND AM(MPH) NW 5 LGT/VAR  
20FT WND PM(MPH) LGT/VAR NW 8 G17 NW 6 LGT/VAR  
PRECIP AMOUNT 0.37 0.00 0.00 0.00  
PRECIP DURATION 5  
PRECIP BEGIN 6 PM  
PRECIP END 5 AM  
MIXING HGT (FT-AGL) 410 6140 410 4090  
TRANSPORT WND (KTS) SE 5 NW 17 N 7 N 4  
VENT RATE (KT-FT) 2050 104380 2870 16360  
MAX ADI EARLY 8 POOR 42 GEN GOOD 34 FAIR 32 FAIR  
MAX ADI LATE 6 VERY POOR 65 GOOD 6 VERY POOR 29 FAIR  
MAX LVORI EARLY 9 1 5 2  
MAX LVORI LATE 9 1 5 2  
MIN VSBY EARLY 3 FOG 3 FOG 10 10  
MIN VSBY LATE 3 FOG 10 10 10  
SUNSHINE HOURS N/A N/A N/A N/A  
CWR 60 0 0 0  
 
REMARKS...NONE.  
   
FORECAST FOR DAYS 3 THROUGH 7
 
   
SATURDAY NIGHT
 
PARTLY CLOUDY. LOWS IN THE UPPER 40S. SOUTH  
WINDS AROUND 5 MPH.    
SUNDAY
 
MOSTLY CLOUDY WITH SHOWERS LIKELY. HIGHS IN THE LOWER  
60S. SOUTHEAST WINDS AROUND 5 MPH.    
SUNDAY NIGHT
 
MOSTLY CLOUDY WITH SHOWERS LIKELY. LOWS IN THE  
LOWER 50S. EAST WINDS AROUND 5 MPH, BECOMING NORTH AFTER  
MIDNIGHT.    
MONDAY AND MONDAY NIGHT
 
MOSTLY CLOUDY. LOWS IN THE LOWER 50S.  
HIGHS IN THE MID 60S. NORTH WINDS 5 TO 10 MPH.    
TUESDAY
 
PARTLY SUNNY. HIGHS IN THE UPPER 50S. NORTHEAST WINDS  
5 TO 10 MPH.    
TUESDAY NIGHT THROUGH THURSDAY
 
PARTLY CLOUDY. LOWS IN THE  
UPPER 40S. HIGHS IN THE LOWER 60S. EAST WINDS 10 TO 15 MPH.  
 

 
 
MAZ005-180800-  
CENTRAL MIDDLESEX MA-  
INCLUDING THE CITIES OF FRAMINGHAM AND LOWELL  
407 PM EDT THU SEP 17 2026  
 
TONIGHT FRI FRI NIGHT SAT  
 
CLOUD COVER MCLDY MCLEAR PCLDY MCLEAR  
PRECIP TYPE TSTMS NONE NONE NONE  
CHANCE PRECIP (%) 60 10  
CHANCE OF THUNDER (%) 20 0 0 0  
TEMP (24H TREND) 64 (+3) 76 (-1) 44 66  
RH % (24H TREND) 100 (0) 43 (-13) 93 42  
20FT WND AM(MPH) NW 5 LGT/VAR  
20FT WND PM(MPH) LGT/VAR NW 7 G17 N 5 LGT/VAR  
PRECIP AMOUNT 0.34 0.00 0.00 0.00  
PRECIP DURATION 4  
PRECIP BEGIN 6 PM  
PRECIP END 6 AM  
MIXING HGT (FT-AGL) 430 6010 410 4350  
TRANSPORT WND (KTS) SW 10 NW 16 N 7 S 5  
VENT RATE (KT-FT) 4300 96160 2870 21750  
MAX ADI EARLY 8 POOR 47 GEN GOOD 38 FAIR 30 FAIR  
MAX ADI LATE 8 POOR 61 GOOD 7 POOR 29 FAIR  
MAX LVORI EARLY 9 1 5 2  
MAX LVORI LATE 9 1 5 2  
MIN VSBY EARLY 5 FOG 3 FOG 10 10  
MIN VSBY LATE 3 FOG 10 10 10  
SUNSHINE HOURS N/A N/A N/A N/A  
CWR 60 0 0 0  
 
REMARKS...NONE.  
   
FORECAST FOR DAYS 3 THROUGH 7
 
   
SATURDAY NIGHT
 
PARTLY CLOUDY. LOWS IN THE UPPER 40S. SOUTH  
WINDS AROUND 5 MPH.    
SUNDAY
 
MOSTLY CLOUDY WITH SHOWERS LIKELY. HIGHS IN THE LOWER  
60S. SOUTHEAST WINDS AROUND 5 MPH.    
SUNDAY NIGHT
 
MOSTLY CLOUDY WITH SHOWERS LIKELY. LOWS IN THE  
LOWER 50S. EAST WINDS AROUND 5 MPH, BECOMING NORTH AFTER  
MIDNIGHT.    
MONDAY
 
PARTLY SUNNY WITH A CHANCE OF SHOWERS. HIGHS IN THE MID  
60S. NORTHEAST WINDS AROUND 5 MPH.    
MONDAY NIGHT AND TUESDAY
 
MOSTLY CLOUDY. LOWS IN THE UPPER 40S.  
HIGHS IN THE UPPER 50S. NORTHEAST WINDS 5 TO 10 MPH.    
TUESDAY NIGHT THROUGH THURSDAY
 
PARTLY CLOUDY. LOWS IN THE  
UPPER 40S. HIGHS IN THE LOWER 60S. EAST WINDS 10 TO 15 MPH.  
 

 
 
MAZ012-180800-  
SOUTHERN WORCESTER MA-  
INCLUDING THE CITIES OF MILFORD AND WORCESTER  
407 PM EDT THU SEP 17 2026  
 
TONIGHT FRI FRI NIGHT SAT  
 
CLOUD COVER MCLDY MCLEAR PCLDY PCLDY  
PRECIP TYPE TSTMS NONE NONE NONE  
CHANCE PRECIP (%) 50 10  
CHANCE OF THUNDER (%) 20 0 0 0  
TEMP (24H TREND) 64 (+3) 76 (-1) 45 67  
RH % (24H TREND) 100 (0) 46 (-16) 83 42  
20FT WND AM(MPH) NW 6 LGT/VAR  
20FT WND PM(MPH) LGT/VAR NW 7 N 5 LGT/VAR  
PRECIP AMOUNT 0.16 0.00 0.00 0.00  
PRECIP DURATION 2  
PRECIP BEGIN 6 PM  
PRECIP END 6 AM  
MIXING HGT (FT-AGL) 430 5700 420 4300  
TRANSPORT WND (KTS) SW 10 N 14 N 7 SW 4  
VENT RATE (KT-FT) 4300 79800 2940 17200  
MAX ADI EARLY 9 POOR 41 GEN GOOD 42 GEN GOOD 28 FAIR  
MAX ADI LATE 9 POOR 52 GEN GOOD 7 POOR 29 FAIR  
MAX LVORI EARLY 9 1 5 2  
MAX LVORI LATE 9 1 5 2  
MIN VSBY EARLY 9 4 FOG 10 10  
MIN VSBY LATE 6 FOG 10 10 10  
SUNSHINE HOURS N/A N/A N/A N/A  
CWR 40 0 0 0  
 
REMARKS...NONE.  
   
FORECAST FOR DAYS 3 THROUGH 7
 
   
SATURDAY NIGHT
 
PARTLY CLOUDY. LOWS IN THE UPPER 40S. SOUTH  
WINDS AROUND 5 MPH.    
SUNDAY
 
SHOWERS. HIGHS IN THE LOWER 60S. SOUTHEAST WINDS AROUND  
5 MPH.    
SUNDAY NIGHT
 
CLOUDY WITH SHOWERS LIKELY. LOWS IN THE LOWER  
50S. EAST WINDS AROUND 5 MPH, BECOMING NORTHEAST AFTER MIDNIGHT.    
MONDAY
 
PARTLY SUNNY WITH A CHANCE OF SHOWERS. HIGHS IN THE MID  
60S. NORTHEAST WINDS 5 TO 10 MPH.    
MONDAY NIGHT AND TUESDAY
 
MOSTLY CLOUDY. LOWS IN THE UPPER 40S.  
HIGHS IN THE UPPER 50S. NORTHEAST WINDS 5 TO 10 MPH.    
TUESDAY NIGHT THROUGH WEDNESDAY NIGHT
 
PARTLY CLOUDY. LOWS IN  
THE UPPER 40S. HIGHS AROUND 60. NORTHEAST WINDS 10 TO 15 MPH.    
THURSDAY
 
PARTLY SUNNY WITH A CHANCE OF SHOWERS. HIGHS IN THE  
LOWER 60S. NORTHEAST WINDS 5 TO 10 MPH.  
 

 
 
MAZ004-180800-  
NORTHERN WORCESTER MA-  
INCLUDING THE CITIES OF BARRE AND FITCHBURG  
407 PM EDT THU SEP 17 2026  
 
TONIGHT FRI FRI NIGHT SAT  
 
CLOUD COVER MCLDY MCLEAR PCLDY MCLEAR  
PRECIP TYPE TSTMS NONE NONE NONE  
CHANCE PRECIP (%) 60 10  
CHANCE OF THUNDER (%) 20 0 0 0  
TEMP (24H TREND) 61 (+2) 74 (0) 41 65  
RH % (24H TREND) 100 (0) 46 (-12) 100 38  
20FT WND AM(MPH) NW 6 LGT/VAR  
20FT WND PM(MPH) LGT/VAR NW 8 G17 N 5 LGT/VAR  
PRECIP AMOUNT 0.31 0.00 0.00 0.00  
PRECIP DURATION 4  
PRECIP BEGIN 6 PM  
PRECIP END 5 AM  
MIXING HGT (FT-AGL) 430 5540 410 4340  
TRANSPORT WND (KTS) SW 8 NW 15 N 8 W 5  
VENT RATE (KT-FT) 3440 83100 3280 21700  
MAX ADI EARLY 8 POOR 42 GEN GOOD 24 FAIR 25 FAIR  
MAX ADI LATE 8 POOR 55 GEN GOOD 6 VERY POOR 31 FAIR  
MAX LVORI EARLY 9 1 6 2  
MAX LVORI LATE 9 1 6 2  
MIN VSBY EARLY 5 FOG 2 FOG 10 10  
MIN VSBY LATE 3 FOG 10 10 10  
SUNSHINE HOURS N/A N/A N/A N/A  
CWR 50 0 0 0  
 
REMARKS...NONE.  
   
FORECAST FOR DAYS 3 THROUGH 7
 
   
SATURDAY NIGHT
 
PARTLY CLOUDY. LOWS IN THE UPPER 40S. SOUTH  
WINDS AROUND 5 MPH.    
SUNDAY
 
SHOWERS. HIGHS AROUND 60. SOUTHEAST WINDS AROUND 5 MPH.   
SUNDAY NIGHT
 
SHOWERS. LOWS AROUND 50. NORTHEAST WINDS 5 TO  
10 MPH.    
MONDAY AND MONDAY NIGHT
 
MOSTLY CLOUDY. LOWS IN THE UPPER 40S.  
HIGHS IN THE MID 60S. NORTHEAST WINDS 5 TO 10 MPH.    
TUESDAY
 
PARTLY SUNNY. HIGHS IN THE UPPER 50S. NORTHEAST WINDS  
5 TO 10 MPH.    
TUESDAY NIGHT THROUGH THURSDAY
 
PARTLY CLOUDY. LOWS IN THE MID  
40S. HIGHS IN THE UPPER 50S. EAST WINDS 10 TO 15 MPH.  
 

 
 
MAZ026-180800-  
NORTHERN MIDDLESEX MA-  
INCLUDING THE CITY OF AYER  
407 PM EDT THU SEP 17 2026  
 
TONIGHT FRI FRI NIGHT SAT  
 
CLOUD COVER MCLDY MCLEAR PCLDY MCLEAR  
PRECIP TYPE TSTMS NONE NONE NONE  
CHANCE PRECIP (%) 60  
CHANCE OF THUNDER (%) 20 0 0 0  
TEMP (24H TREND) 62 (+2) 76 (0) 43 66  
RH % (24H TREND) 100 (0) 46 (-16) 89 42  
20FT WND AM(MPH) NW 5 LGT/VAR  
20FT WND PM(MPH) LGT/VAR NW 8 G17 NW 5 LGT/VAR  
PRECIP AMOUNT 0.35 0.00 0.00 0.00  
PRECIP DURATION 5  
PRECIP BEGIN 6 PM  
PRECIP END 4 AM  
MIXING HGT (FT-AGL) 430 6010 410 4270  
TRANSPORT WND (KTS) NW 8 NW 17 N 8 W 4  
VENT RATE (KT-FT) 3440 102170 3280 17080  
MAX ADI EARLY 8 POOR 52 GEN GOOD 33 FAIR 27 FAIR  
MAX ADI LATE 5 VERY POOR 62 GOOD 5 VERY POOR 33 FAIR  
MAX LVORI EARLY 9 1 5 2  
MAX LVORI LATE 9 1 5 2  
MIN VSBY EARLY 4 FOG 3 FOG 10 10  
MIN VSBY LATE 4 FOG 10 10 10  
SUNSHINE HOURS N/A N/A N/A N/A  
CWR 60 0 0 0  
 
REMARKS...NONE.  
   
FORECAST FOR DAYS 3 THROUGH 7
 
   
SATURDAY NIGHT
 
PARTLY CLOUDY. LOWS IN THE UPPER 40S. SOUTH  
WINDS AROUND 5 MPH.    
SUNDAY
 
MOSTLY CLOUDY WITH SHOWERS LIKELY. HIGHS IN THE LOWER  
60S. SOUTHEAST WINDS AROUND 5 MPH.    
SUNDAY NIGHT
 
MOSTLY CLOUDY WITH SHOWERS LIKELY. LOWS AROUND  
50. NORTHEAST WINDS AROUND 5 MPH.    
MONDAY AND MONDAY NIGHT
 
MOSTLY CLOUDY. LOWS IN THE UPPER 40S.  
HIGHS IN THE MID 60S. NORTH WINDS AROUND 5 MPH.    
TUESDAY
 
PARTLY SUNNY. HIGHS IN THE UPPER 50S. NORTHEAST WINDS  
5 TO 10 MPH.    
TUESDAY NIGHT THROUGH THURSDAY
 
PARTLY CLOUDY. LOWS IN THE MID  
40S. HIGHS AROUND 60. EAST WINDS 5 TO 10 MPH.  
 

 
 
MAZ002-180800-  
WESTERN FRANKLIN MA-  
INCLUDING THE CITY OF CHARLEMONT  
407 PM EDT THU SEP 17 2026  
 
TONIGHT FRI FRI NIGHT SAT  
 
CLOUD COVER MCLDY MCLEAR PCLDY MCLEAR  
PRECIP TYPE TSTMS NONE NONE NONE  
CHANCE PRECIP (%) 60  
CHANCE OF THUNDER (%) 20 0 0 0  
TEMP (24H TREND) 58 (-1) 73 (+1) 40 65  
RH % (24H TREND) 100 (0) 49 (-22) 96 38  
20FT WND AM(MPH) LGT/VAR LGT/VAR  
20FT WND PM(MPH) LGT/VAR NW 6 LGT/VAR LGT/VAR  
PRECIP AMOUNT 0.21 0.00 0.00 0.00  
PRECIP DURATION 3  
PRECIP BEGIN 6 PM  
PRECIP END 3 AM  
MIXING HGT (FT-AGL) 430 5490 420 4010  
TRANSPORT WND (KTS) W 6 NW 15 N 6 NW 5  
VENT RATE (KT-FT) 2580 82350 2520 20050  
MAX ADI EARLY 7 POOR 67 GOOD 25 FAIR 25 FAIR  
MAX ADI LATE 5 VERY POOR 98 GOOD 5 VERY POOR 29 FAIR  
MAX LVORI EARLY 8 1 5 2  
MAX LVORI LATE 8 1 5 2  
MIN VSBY EARLY 3 FOG 2 FOG 10 10  
MIN VSBY LATE 2 FOG 10 10 10  
SUNSHINE HOURS N/A N/A N/A N/A  
CWR 50 0 0 0  
 
REMARKS...NONE.  
   
FORECAST FOR DAYS 3 THROUGH 7
 
   
SATURDAY NIGHT
 
MOSTLY CLOUDY. LOWS IN THE UPPER 40S. SOUTH  
WINDS AROUND 5 MPH.    
SUNDAY
 
SHOWERS. HIGHS IN THE UPPER 50S. SOUTHEAST WINDS AROUND  
5 MPH.    
SUNDAY NIGHT
 
SHOWERS. LOWS IN THE UPPER 40S. NORTHEAST WINDS  
AROUND 5 MPH.    
MONDAY AND MONDAY NIGHT
 
MOSTLY CLOUDY. LOWS IN THE UPPER 40S.  
HIGHS IN THE LOWER 60S. NORTH WINDS AROUND 5 MPH.    
TUESDAY
 
PARTLY SUNNY. HIGHS IN THE UPPER 50S. NORTHEAST WINDS  
AROUND 5 MPH.    
TUESDAY NIGHT THROUGH THURSDAY
 
PARTLY CLOUDY. LOWS IN THE  
LOWER 40S. HIGHS IN THE UPPER 50S. EAST WINDS 5 TO 10 MPH.  
 

 
 
MAZ003-180800-  
EASTERN FRANKLIN MA-  
INCLUDING THE CITIES OF GREENFIELD AND ORANGE  
407 PM EDT THU SEP 17 2026  
 
TONIGHT FRI FRI NIGHT SAT  
 
CLOUD COVER MCLDY MCLEAR PCLDY MCLEAR  
PRECIP TYPE TSTMS NONE NONE NONE  
CHANCE PRECIP (%) 60  
CHANCE OF THUNDER (%) 20 0 0 0  
TEMP (24H TREND) 61 (+1) 75 (+1) 39 68  
RH % (24H TREND) 100 (0) 48 (-18) 100 37  
20FT WND AM(MPH) N 5 LGT/VAR  
20FT WND PM(MPH) LGT/VAR N 8 G17 N 5 LGT/VAR  
PRECIP AMOUNT 0.31 0.00 0.00 0.00  
PRECIP DURATION 3  
PRECIP BEGIN 6 PM  
PRECIP END 4 AM  
MIXING HGT (FT-AGL) 430 5680 410 3980  
TRANSPORT WND (KTS) NW 6 N 15 N 6 N 5  
VENT RATE (KT-FT) 2580 85200 2460 19900  
MAX ADI EARLY 4 VERY POOR 44 GEN GOOD 20 GEN POOR 30 FAIR  
MAX ADI LATE 4 VERY POOR 56 GEN GOOD 6 VERY POOR 30 FAIR  
MAX LVORI EARLY 10 1 6 2  
MAX LVORI LATE 10 1 6 2  
MIN VSBY EARLY 3 FOG 1 FOG 10 10  
MIN VSBY LATE 2 FOG 10 10 10  
SUNSHINE HOURS N/A N/A N/A N/A  
CWR 50 0 0 0  
 
REMARKS...NONE.  
   
FORECAST FOR DAYS 3 THROUGH 7
 
   
SATURDAY NIGHT
 
PARTLY CLOUDY. LOWS IN THE UPPER 40S. SOUTH  
WINDS AROUND 5 MPH.    
SUNDAY
 
SHOWERS. HIGHS AROUND 60. SOUTHEAST WINDS AROUND 5 MPH.   
SUNDAY NIGHT
 
SHOWERS. LOWS IN THE LOWER 50S. NORTHEAST WINDS  
5 TO 10 MPH.    
MONDAY AND MONDAY NIGHT
 
MOSTLY CLOUDY. LOWS 46 TO 51. HIGHS IN  
THE MID 60S. NORTH WINDS 5 TO 10 MPH.    
TUESDAY
 
PARTLY SUNNY. HIGHS IN THE UPPER 50S. NORTHEAST WINDS  
5 TO 10 MPH.    
TUESDAY NIGHT THROUGH THURSDAY
 
PARTLY CLOUDY. LOWS IN THE MID  
40S. HIGHS IN THE LOWER 60S. EAST WINDS 10 TO 15 MPH.  
 

 
 
MAZ008-180800-  
WESTERN HAMPSHIRE MA-  
INCLUDING THE CITY OF CHESTERFIELD  
407 PM EDT THU SEP 17 2026  
 
TONIGHT FRI FRI NIGHT SAT  
 
CLOUD COVER MCLDY MCLEAR PCLDY MCLEAR  
PRECIP TYPE TSTMS NONE NONE NONE  
CHANCE PRECIP (%) 60  
CHANCE OF THUNDER (%) 20 0 0 0  
TEMP (24H TREND) 59 (-1) 72 (-1) 42 65  
RH % (24H TREND) 100 (0) 49 (-27) 89 40  
20FT WND AM(MPH) NW 5 LGT/VAR  
20FT WND PM(MPH) LGT/VAR NW 7 N 5 LGT/VAR  
PRECIP AMOUNT 0.25 0.00 0.00 0.00  
PRECIP DURATION 3  
PRECIP BEGIN 6 PM  
PRECIP END 4 AM  
MIXING HGT (FT-AGL) 430 5260 420 4140  
TRANSPORT WND (KTS) NW 8 NW 15 N 7 N 5  
VENT RATE (KT-FT) 3440 78900 2940 20700  
MAX ADI EARLY 10 POOR 48 GEN GOOD 29 FAIR 24 FAIR  
MAX ADI LATE 6 VERY POOR 55 GEN GOOD 6 VERY POOR 30 FAIR  
MAX LVORI EARLY 8 1 5 2  
MAX LVORI LATE 8 1 5 2  
MIN VSBY EARLY 3 FOG 2 FOG 10 10  
MIN VSBY LATE 5 FOG 10 10 10  
SUNSHINE HOURS N/A N/A N/A N/A  
CWR 50 0 0 0  
 
REMARKS...NONE.  
   
FORECAST FOR DAYS 3 THROUGH 7
 
   
SATURDAY NIGHT
 
MOSTLY CLOUDY. LOWS IN THE UPPER 40S. SOUTH  
WINDS AROUND 5 MPH.    
SUNDAY
 
SHOWERS. HIGHS IN THE UPPER 50S. SOUTHEAST WINDS AROUND  
5 MPH.    
SUNDAY NIGHT
 
SHOWERS. LOWS AROUND 50. NORTHEAST WINDS AROUND  
5 MPH.    
MONDAY AND MONDAY NIGHT
 
MOSTLY CLOUDY. LOWS IN THE UPPER 40S.  
HIGHS IN THE LOWER 60S. NORTHEAST WINDS AROUND 5 MPH.    
TUESDAY
 
PARTLY SUNNY. HIGHS IN THE MID 50S. NORTHEAST WINDS  
5 TO 10 MPH.    
TUESDAY NIGHT THROUGH THURSDAY
 
PARTLY CLOUDY. LOWS IN THE MID  
40S. HIGHS IN THE UPPER 50S. EAST WINDS 5 TO 10 MPH.  
 

 
 
MAZ010-180800-  
EASTERN HAMPSHIRE MA-  
INCLUDING THE CITIES OF AMHERST AND NORTHAMPTON  
407 PM EDT THU SEP 17 2026  
 
TONIGHT FRI FRI NIGHT SAT  
 
CLOUD COVER MCLDY MCLEAR PCLDY PCLDY  
PRECIP TYPE TSTMS NONE NONE NONE  
CHANCE PRECIP (%) 50  
CHANCE OF THUNDER (%) 20 0 0 0  
TEMP (24H TREND) 63 (+3) 77 (+1) 41 68  
RH % (24H TREND) 100 (0) 48 (+1) 96 39  
20FT WND AM(MPH) N 5 LGT/VAR  
20FT WND PM(MPH) LGT/VAR N 8 N 6 LGT/VAR  
PRECIP AMOUNT 0.22 0.00 0.00 0.00  
PRECIP DURATION 2  
PRECIP BEGIN 6 PM  
PRECIP END 4 AM  
MIXING HGT (FT-AGL) 420 5740 410 4000  
TRANSPORT WND (KTS) NW 5 N 14 N 7 N 4  
VENT RATE (KT-FT) 2100 80360 2870 16000  
MAX ADI EARLY 7 POOR 40 FAIR 16 GEN POOR 28 FAIR  
MAX ADI LATE 5 VERY POOR 51 GEN GOOD 7 POOR 28 FAIR  
MAX LVORI EARLY 10 1 6 2  
MAX LVORI LATE 10 1 6 2  
MIN VSBY EARLY 6 FOG 3 FOG 10 10  
MIN VSBY LATE 5 FOG 10 10 10  
SUNSHINE HOURS N/A N/A N/A N/A  
CWR 40 0 0 0  
 
REMARKS...NONE.  
   
FORECAST FOR DAYS 3 THROUGH 7
 
   
SATURDAY NIGHT
 
PARTLY CLOUDY. LOWS AROUND 50. SOUTH WINDS  
AROUND 5 MPH.    
SUNDAY
 
SHOWERS. HIGHS IN THE LOWER 60S. SOUTHEAST WINDS AROUND  
5 MPH.    
SUNDAY NIGHT
 
SHOWERS. LOWS IN THE LOWER 50S. NORTHEAST WINDS  
5 TO 10 MPH.    
MONDAY AND MONDAY NIGHT
 
MOSTLY CLOUDY. LOWS AROUND 50. HIGHS  
IN THE MID 60S. NORTH WINDS 5 TO 10 MPH.    
TUESDAY
 
PARTLY SUNNY. HIGHS AROUND 60. NORTHEAST WINDS 5 TO  
10 MPH.    
TUESDAY NIGHT THROUGH THURSDAY
 
PARTLY CLOUDY. LOWS IN THE MID  
40S. HIGHS IN THE LOWER 60S. NORTHEAST WINDS 10 TO 15 MPH.  
 

 
 
MAZ009-180800-  
WESTERN HAMPDEN MA-  
INCLUDING THE CITY OF BLANDFORD  
407 PM EDT THU SEP 17 2026  
 
TONIGHT FRI FRI NIGHT SAT  
 
CLOUD COVER MCLDY MCLEAR PCLDY PCLDY  
PRECIP TYPE TSTMS NONE NONE NONE  
CHANCE PRECIP (%) 50  
CHANCE OF THUNDER (%) 20 0 0 0  
TEMP (24H TREND) 61 (0) 74 (0) 43 65  
RH % (24H TREND) 100 (0) 49 (-17) 83 42  
20FT WND AM(MPH) NW 6 LGT/VAR  
20FT WND PM(MPH) LGT/VAR NW 7 N 5 LGT/VAR  
PRECIP AMOUNT 0.12 0.00 0.00 0.00  
PRECIP DURATION 2  
PRECIP BEGIN 6 PM  
PRECIP END 4 AM  
MIXING HGT (FT-AGL) 440 5120 420 4070  
TRANSPORT WND (KTS) NW 10 N 16 N 7 N 5  
VENT RATE (KT-FT) 4400 81920 2940 20350  
MAX ADI EARLY 6 VERY POOR 40 FAIR 32 FAIR 25 FAIR  
MAX ADI LATE 8 POOR 56 GEN GOOD 6 VERY POOR 35 FAIR  
MAX LVORI EARLY 9 1 5 2  
MAX LVORI LATE 9 1 5 2  
MIN VSBY EARLY 10 5 FOG 10 10  
MIN VSBY LATE 8 10 10 10  
SUNSHINE HOURS N/A N/A N/A N/A  
CWR 30 0 0 0  
 
REMARKS...NONE.  
   
FORECAST FOR DAYS 3 THROUGH 7
 
   
SATURDAY NIGHT
 
MOSTLY CLOUDY. LOWS IN THE UPPER 40S. SOUTH  
WINDS AROUND 5 MPH.    
SUNDAY
 
SHOWERS. HIGHS IN THE UPPER 50S. SOUTHEAST WINDS AROUND  
5 MPH.    
SUNDAY NIGHT
 
SHOWERS. LOWS IN THE LOWER 50S. NORTHEAST WINDS  
5 TO 10 MPH.    
MONDAY AND MONDAY NIGHT
 
MOSTLY CLOUDY. LOWS IN THE UPPER 40S.  
HIGHS IN THE MID 60S. NORTHEAST WINDS 5 TO 10 MPH.    
TUESDAY
 
PARTLY SUNNY. HIGHS IN THE UPPER 50S. NORTHEAST WINDS  
5 TO 10 MPH.    
TUESDAY NIGHT THROUGH THURSDAY
 
PARTLY CLOUDY. LOWS IN THE MID  
40S. HIGHS IN THE UPPER 50S. NORTHEAST WINDS 10 TO 15 MPH.  
 

 
 
MAZ011-180800-  
EASTERN HAMPDEN MA-  
INCLUDING THE CITY OF SPRINGFIELD  
407 PM EDT THU SEP 17 2026  
 
TONIGHT FRI FRI NIGHT SAT  
 
CLOUD COVER MCLDY MCLEAR PCLDY PCLDY  
PRECIP TYPE TSTMS NONE NONE NONE  
CHANCE PRECIP (%) 50 10  
CHANCE OF THUNDER (%) 20 0 0 0  
TEMP (24H TREND) 64 (+4) 77 (0) 43 68  
RH % (24H TREND) 100 (0) 46 (-16) 93 39  
20FT WND AM(MPH) N 5 G17 LGT/VAR  
20FT WND PM(MPH) S 5 N 8 N 6 LGT/VAR  
PRECIP AMOUNT 0.14 0.00 0.00 0.00  
PRECIP DURATION 2  
PRECIP BEGIN 6 PM  
PRECIP END 5 AM  
MIXING HGT (FT-AGL) 420 5690 410 4120  
TRANSPORT WND (KTS) NW 6 N 14 N 7 N 4  
VENT RATE (KT-FT) 2520 79660 2870 16480  
MAX ADI EARLY 7 POOR 39 FAIR 20 GEN POOR 27 FAIR  
MAX ADI LATE 6 VERY POOR 51 GEN GOOD 7 POOR 25 FAIR  
MAX LVORI EARLY 9 1 5 2  
MAX LVORI LATE 9 1 5 2  
MIN VSBY EARLY 8 5 FOG 10 10  
MIN VSBY LATE 9 10 10 10  
SUNSHINE HOURS N/A N/A N/A N/A  
CWR 40 0 0 0  
 
REMARKS...NONE.  
   
FORECAST FOR DAYS 3 THROUGH 7
 
   
SATURDAY NIGHT
 
PARTLY CLOUDY. LOWS AROUND 50. SOUTH WINDS  
AROUND 5 MPH.    
SUNDAY
 
SHOWERS. HIGHS IN THE LOWER 60S. SOUTHEAST WINDS AROUND  
5 MPH.    
SUNDAY NIGHT
 
SHOWERS. LOWS IN THE LOWER 50S. NORTHEAST WINDS  
5 TO 10 MPH.    
MONDAY
 
PARTLY SUNNY WITH A CHANCE OF SHOWERS. HIGHS IN THE MID  
60S. NORTH WINDS 5 TO 10 MPH.    
MONDAY NIGHT AND TUESDAY
 
MOSTLY CLOUDY. LOWS IN THE UPPER 40S.  
HIGHS AROUND 60. NORTHEAST WINDS 5 TO 10 MPH.    
TUESDAY NIGHT THROUGH WEDNESDAY NIGHT
 
PARTLY CLOUDY. LOWS IN  
THE MID 40S. HIGHS IN THE LOWER 60S. NORTHEAST WINDS 10 TO  
15 MPH.    
THURSDAY
 
PARTLY SUNNY. HIGHS IN THE LOWER 60S. NORTHEAST WINDS  
5 TO 10 MPH.  
 

 
 
CTZ002-180800-  
HARTFORD CT-  
INCLUDING THE CITIES OF HARTFORD AND WINDSOR LOCKS  
407 PM EDT THU SEP 17 2026  
 
TONIGHT FRI FRI NIGHT SAT  
 
CLOUD COVER PCLDY MCLEAR PCLDY MCLEAR  
PRECIP TYPE TSTMS NONE NONE NONE  
CHANCE PRECIP (%) 50 10  
CHANCE OF THUNDER (%) 20 0 0 0  
TEMP (24H TREND) 64 (+3) 78 (0) 47 69  
RH % (24H TREND) 100 (0) 43 (-21) 86 39  
20FT WND AM(MPH) N 6 LGT/VAR  
20FT WND PM(MPH) LGT/VAR N 8 N 5 LGT/VAR  
PRECIP AMOUNT 0.08 0.00 0.00 0.00  
PRECIP DURATION 2  
PRECIP BEGIN 6 PM  
PRECIP END 5 AM  
MIXING HGT (FT-AGL) 420 5340 430 4060  
TRANSPORT WND (KTS) NW 7 N 13 N 8 N 4  
VENT RATE (KT-FT) 2940 69420 3440 16240  
MAX ADI EARLY 7 POOR 42 GEN GOOD 22 FAIR 30 FAIR  
MAX ADI LATE 5 VERY POOR 50 GEN GOOD 7 POOR 27 FAIR  
MAX LVORI EARLY 9 2 5 2  
MAX LVORI LATE 9 2 5 2  
MIN VSBY EARLY 10 10 10 10  
MIN VSBY LATE 10 10 10 10  
SUNSHINE HOURS N/A N/A N/A N/A  
CWR 30 0 0 0  
 
REMARKS...NONE.  
   
FORECAST FOR DAYS 3 THROUGH 7
 
   
SATURDAY NIGHT
 
MOSTLY CLOUDY. LOWS IN THE LOWER 50S. SOUTHEAST  
WINDS AROUND 5 MPH.    
SUNDAY
 
SHOWERS. HIGHS IN THE LOWER 60S. SOUTHEAST WINDS AROUND  
5 MPH.    
SUNDAY NIGHT
 
SHOWERS. LOWS IN THE MID 50S. NORTHEAST WINDS  
5 TO 10 MPH.    
MONDAY AND MONDAY NIGHT
 
MOSTLY CLOUDY WITH A CHANCE OF  
SHOWERS. LOWS 49 TO 54. HIGHS IN THE MID 60S. NORTHEAST WINDS  
5 TO 10 MPH.    
TUESDAY
 
MOSTLY CLOUDY WITH A CHANCE OF SHOWERS. HIGHS AROUND  
60. NORTHEAST WINDS 5 TO 10 MPH.    
TUESDAY NIGHT THROUGH WEDNESDAY NIGHT
 
PARTLY CLOUDY. LOWS IN  
THE UPPER 40S. HIGHS IN THE LOWER 60S. NORTHEAST WINDS 10 TO  
15 MPH.    
THURSDAY
 
PARTLY SUNNY. HIGHS IN THE LOWER 60S. NORTHEAST WINDS  
10 TO 15 MPH.  
 

 
 
CTZ003-180800-  
TOLLAND CT-  
INCLUDING THE CITIES OF UNION AND VERNON  
407 PM EDT THU SEP 17 2026  
 
TONIGHT FRI FRI NIGHT SAT  
 
CLOUD COVER MCLDY MCLEAR PCLDY PCLDY  
PRECIP TYPE TSTMS NONE NONE NONE  
CHANCE PRECIP (%) 50 10  
CHANCE OF THUNDER (%) 20 0 0 0  
TEMP (24H TREND) 64 (+4) 76 (-1) 46 68  
RH % (24H TREND) 100 (0) 50 (-19) 86 40  
20FT WND AM(MPH) NW 6 G17 LGT/VAR  
20FT WND PM(MPH) S 5 N 7 N 6 LGT/VAR  
PRECIP AMOUNT 0.12 0.00 0.00 0.00  
PRECIP DURATION 2  
PRECIP BEGIN 6 PM  
PRECIP END 6 AM  
MIXING HGT (FT-AGL) 430 5210 420 4270  
TRANSPORT WND (KTS) W 7 N 14 N 7 NW 3  
VENT RATE (KT-FT) 3010 72940 2940 12810  
MAX ADI EARLY 8 POOR 39 FAIR 22 FAIR 29 FAIR  
MAX ADI LATE 7 POOR 48 GEN GOOD 7 POOR 26 FAIR  
MAX LVORI EARLY 9 2 5 2  
MAX LVORI LATE 9 2 5 2  
MIN VSBY EARLY 10 4 FOG 10 10  
MIN VSBY LATE 10 10 10 10  
SUNSHINE HOURS N/A N/A N/A N/A  
CWR 40 0 0 0  
 
REMARKS...NONE.  
   
FORECAST FOR DAYS 3 THROUGH 7
 
   
SATURDAY NIGHT
 
MOSTLY CLOUDY. LOWS AROUND 50. SOUTHEAST WINDS  
AROUND 5 MPH.    
SUNDAY
 
SHOWERS. HIGHS IN THE LOWER 60S. SOUTHEAST WINDS AROUND  
5 MPH.    
SUNDAY NIGHT
 
SHOWERS. LOWS IN THE MID 50S. EAST WINDS AROUND  
5 MPH, BECOMING NORTHEAST AFTER MIDNIGHT.    
MONDAY AND MONDAY NIGHT
 
MOSTLY CLOUDY WITH A CHANCE OF  
SHOWERS. LOWS 49 TO 54. HIGHS IN THE MID 60S. NORTHEAST WINDS  
5 TO 10 MPH.    
TUESDAY
 
PARTLY SUNNY. HIGHS IN THE UPPER 50S. NORTHEAST WINDS  
5 TO 10 MPH.    
TUESDAY NIGHT THROUGH WEDNESDAY NIGHT
 
PARTLY CLOUDY. LOWS IN  
THE UPPER 40S. HIGHS AROUND 60. NORTHEAST WINDS 10 TO 15 MPH.    
THURSDAY
 
PARTLY SUNNY. HIGHS IN THE LOWER 60S. NORTHEAST WINDS  
AROUND 10 MPH.  
 

 
 
CTZ004-180800-  
WINDHAM CT-  
INCLUDING THE CITIES OF PUTNAM AND WILLIMANTIC  
407 PM EDT THU SEP 17 2026  
 
TONIGHT FRI FRI NIGHT SAT  
 
CLOUD COVER MCLDY MCLEAR PCLDY PCLDY  
PRECIP TYPE TSTMS NONE NONE NONE  
CHANCE PRECIP (%) 40 10  
CHANCE OF THUNDER (%) 20 0 0 0  
TEMP (24H TREND) 65 (+5) 77 (0) 45 68  
RH % (24H TREND) 100 (0) 48 (-19) 83 43  
20FT WND AM(MPH) NW 5 LGT/VAR  
20FT WND PM(MPH) LGT/VAR N 7 N 5 LGT/VAR  
PRECIP AMOUNT 0.11 0.00 0.00 0.00  
PRECIP DURATION 2  
PRECIP BEGIN 6 PM  
PRECIP END 6 AM  
MIXING HGT (FT-AGL) 470 5190 430 4360  
TRANSPORT WND (KTS) SW 9 N 13 N 7 N 4  
VENT RATE (KT-FT) 4230 67470 3010 17440  
MAX ADI EARLY 8 POOR 39 FAIR 21 FAIR 31 FAIR  
MAX ADI LATE 8 POOR 47 GEN GOOD 5 VERY POOR 32 FAIR  
MAX LVORI EARLY 9 2 5 2  
MAX LVORI LATE 9 2 5 2  
MIN VSBY EARLY 10 3 FOG 10 10  
MIN VSBY LATE 10 10 10 10  
SUNSHINE HOURS N/A N/A N/A N/A  
CWR 30 0 0 0  
 
REMARKS...NONE.  
   
FORECAST FOR DAYS 3 THROUGH 7
 
   
SATURDAY NIGHT
 
PARTLY CLOUDY. LOWS AROUND 50. SOUTHEAST WINDS  
AROUND 5 MPH.    
SUNDAY
 
SHOWERS. HIGHS IN THE MID 60S. SOUTHEAST WINDS AROUND  
5 MPH.    
SUNDAY NIGHT
 
SHOWERS. LOWS IN THE MID 50S. EAST WINDS AROUND  
5 MPH, BECOMING NORTHEAST AFTER MIDNIGHT.    
MONDAY AND MONDAY NIGHT
 
MOSTLY CLOUDY WITH A CHANCE OF  
SHOWERS. LOWS 49 TO 54. HIGHS IN THE MID 60S. NORTHEAST WINDS  
5 TO 10 MPH.    
TUESDAY
 
PARTLY SUNNY. HIGHS IN THE UPPER 50S. NORTHEAST WINDS  
5 TO 10 MPH.    
TUESDAY NIGHT THROUGH WEDNESDAY NIGHT
 
PARTLY CLOUDY. LOWS IN  
THE UPPER 40S. HIGHS IN THE LOWER 60S. NORTHEAST WINDS 10 TO  
15 MPH.    
THURSDAY
 
PARTLY SUNNY. HIGHS IN THE LOWER 60S. NORTHEAST WINDS  
10 TO 15 MPH.  
 

 
 
RIZ001-180800-  
NORTHWEST PROVIDENCE RI-  
INCLUDING THE CITIES OF FOSTER AND SMITHFIELD  
407 PM EDT THU SEP 17 2026  
 
TONIGHT FRI FRI NIGHT SAT  
 
CLOUD COVER MCLDY MCLEAR MCLEAR MCLEAR  
PRECIP TYPE TSTMS NONE NONE NONE  
CHANCE PRECIP (%) 50 20  
CHANCE OF THUNDER (%) 20 0 0 0  
TEMP (24H TREND) 65 (+4) 77 (0) 46 67  
RH % (24H TREND) 100 (0) 46 (-22) 83 43  
20FT WND AM(MPH) NW 6 LGT/VAR  
20FT WND PM(MPH) S 5 N 7 N 5 LGT/VAR  
PRECIP AMOUNT 0.12 0.00 0.00 0.00  
PRECIP DURATION 2  
PRECIP BEGIN 6 PM  
PRECIP END 6 AM  
MIXING HGT (FT-AGL) 450 5580 440 4330  
TRANSPORT WND (KTS) W 10 N 13 N 8 NE 5  
VENT RATE (KT-FT) 4500 72540 3520 21650  
MAX ADI EARLY 9 POOR 40 FAIR 39 FAIR 36 FAIR  
MAX ADI LATE 9 POOR 57 GEN GOOD 8 POOR 38 FAIR  
MAX LVORI EARLY 9 2 5 2  
MAX LVORI LATE 9 2 5 2  
MIN VSBY EARLY 10 5 FOG 10 10  
MIN VSBY LATE 8 10 10 10  
SUNSHINE HOURS N/A N/A N/A N/A  
CWR 30 0 0 0  
 
REMARKS...NONE.  
   
FORECAST FOR DAYS 3 THROUGH 7
 
   
SATURDAY NIGHT
 
PARTLY CLOUDY. LOWS AROUND 50. SOUTHEAST WINDS  
AROUND 5 MPH.    
SUNDAY
 
SHOWERS. HIGHS IN THE LOWER 60S. SOUTHEAST WINDS AROUND  
5 MPH.    
SUNDAY NIGHT
 
CLOUDY WITH SHOWERS LIKELY. LOWS IN THE MID 50S.  
EAST WINDS AROUND 5 MPH, BECOMING NORTHEAST AFTER MIDNIGHT.    
MONDAY
 
MOSTLY CLOUDY WITH A CHANCE OF SHOWERS. HIGHS IN THE  
MID 60S. NORTHEAST WINDS 5 TO 10 MPH.    
MONDAY NIGHT AND TUESDAY
 
MOSTLY CLOUDY. LOWS AROUND 50. HIGHS  
IN THE UPPER 50S. NORTHEAST WINDS 5 TO 10 MPH.    
TUESDAY NIGHT THROUGH WEDNESDAY NIGHT
 
PARTLY CLOUDY. LOWS IN  
THE UPPER 40S. HIGHS IN THE LOWER 60S. NORTHEAST WINDS 10 TO  
15 MPH.    
THURSDAY
 
PARTLY SUNNY. HIGHS IN THE LOWER 60S. NORTHEAST WINDS  
5 TO 10 MPH.  
 

 
 
RIZ002-180800-  
SOUTHEAST PROVIDENCE RI-  
INCLUDING THE CITY OF PROVIDENCE  
407 PM EDT THU SEP 17 2026  
 
TONIGHT FRI FRI NIGHT SAT  
 
CLOUD COVER MCLDY MCLEAR MCLEAR MCLEAR  
PRECIP TYPE TSTMS NONE NONE NONE  
CHANCE PRECIP (%) 50 20  
CHANCE OF THUNDER (%) 20 0 0 0  
TEMP (24H TREND) 66 (+5) 78 (0) 48 67  
RH % (24H TREND) 100 (0) 45 (-17) 83 46  
20FT WND AM(MPH) NW 6 LGT/VAR  
20FT WND PM(MPH) S 5 N 7 N 5 LGT/VAR  
PRECIP AMOUNT 0.11 0.00 0.00 0.00  
PRECIP DURATION 2  
PRECIP BEGIN 6 PM  
PRECIP END 6 AM  
MIXING HGT (FT-AGL) 430 5790 430 4530  
TRANSPORT WND (KTS) SW 10 N 12 N 8 NE 5  
VENT RATE (KT-FT) 4300 69480 3440 22650  
MAX ADI EARLY 28 FAIR 42 GEN GOOD 36 FAIR 42 GEN GOOD  
MAX ADI LATE 8 POOR 77 GOOD 8 POOR 41 GEN GOOD  
MAX LVORI EARLY 9 1 5 2  
MAX LVORI LATE 9 1 5 2  
MIN VSBY EARLY 10 10 10 10  
MIN VSBY LATE 10 10 10 10  
SUNSHINE HOURS N/A N/A N/A N/A  
CWR 30 0 0 0  
 
REMARKS...NONE.  
   
FORECAST FOR DAYS 3 THROUGH 7
 
   
SATURDAY NIGHT
 
PARTLY CLOUDY. LOWS IN THE LOWER 50S. SOUTHEAST  
WINDS AROUND 5 MPH.    
SUNDAY
 
MOSTLY CLOUDY WITH SHOWERS LIKELY. HIGHS IN THE MID  
60S. SOUTHEAST WINDS AROUND 5 MPH.    
SUNDAY NIGHT
 
MOSTLY CLOUDY WITH SHOWERS LIKELY. LOWS IN THE  
MID 50S. EAST WINDS AROUND 5 MPH, BECOMING NORTHEAST AFTER  
MIDNIGHT.    
MONDAY AND MONDAY NIGHT
 
MOSTLY CLOUDY WITH A CHANCE OF  
SHOWERS. LOWS IN THE MID 50S. HIGHS IN THE MID 60S. NORTHEAST  
WINDS 5 TO 10 MPH.    
TUESDAY
 
PARTLY SUNNY WITH A CHANCE OF SHOWERS. HIGHS AROUND  
60. NORTHEAST WINDS 5 TO 10 MPH.    
TUESDAY NIGHT
 
MOSTLY CLOUDY. LOWS AROUND 50. NORTHEAST WINDS  
5 TO 10 MPH.    
WEDNESDAY AND WEDNESDAY NIGHT
 
PARTLY CLOUDY. LOWS AROUND 50.  
HIGHS IN THE LOWER 60S. NORTHEAST WINDS 10 TO 15 MPH.    
THURSDAY
 
PARTLY SUNNY. HIGHS IN THE LOWER 60S. NORTHEAST WINDS  
10 TO 15 MPH.  
 

 
 
RIZ003-180800-  
WESTERN KENT RI-  
INCLUDING THE CITIES OF COVENTRY AND WEST GREENWICH  
407 PM EDT THU SEP 17 2026  
 
TONIGHT FRI FRI NIGHT SAT  
 
CLOUD COVER MCLDY MCLEAR PCLDY MCLEAR  
PRECIP TYPE TSTMS NONE NONE NONE  
CHANCE PRECIP (%) 50 20  
CHANCE OF THUNDER (%) 20 0 0 0  
TEMP (24H TREND) 65 (+5) 77 (+1) 48 67  
RH % (24H TREND) 100 (0) 48 (-25) 77 45  
20FT WND AM(MPH) NW 6 LGT/VAR  
20FT WND PM(MPH) SW 5 N 7 N 5 LGT/VAR  
PRECIP AMOUNT 0.07 0.00 0.00 0.00  
PRECIP DURATION 2  
PRECIP BEGIN 6 PM  
PRECIP END 6 AM  
MIXING HGT (FT-AGL) 430 5420 420 4250  
TRANSPORT WND (KTS) W 9 N 12 N 8 NE 5  
VENT RATE (KT-FT) 3870 65040 3360 21250  
MAX ADI EARLY 23 FAIR 39 FAIR 24 FAIR 36 FAIR  
MAX ADI LATE 10 POOR 71 GOOD 10 POOR 35 FAIR  
MAX LVORI EARLY 9 3 5 2  
MAX LVORI LATE 9 3 5 2  
MIN VSBY EARLY 10 10 10 10  
MIN VSBY LATE 10 10 10 10  
SUNSHINE HOURS N/A N/A N/A N/A  
CWR 20 0 0 0  
 
REMARKS...NONE.  
   
FORECAST FOR DAYS 3 THROUGH 7
 
   
SATURDAY NIGHT
 
PARTLY CLOUDY. LOWS IN THE LOWER 50S. SOUTHEAST  
WINDS AROUND 5 MPH.    
SUNDAY
 
MOSTLY CLOUDY WITH SHOWERS LIKELY. HIGHS IN THE MID  
60S. SOUTHEAST WINDS AROUND 5 MPH.    
SUNDAY NIGHT
 
MOSTLY CLOUDY WITH SHOWERS LIKELY. LOWS IN THE  
MID 50S. SOUTHEAST WINDS AROUND 5 MPH, BECOMING NORTHEAST AFTER  
MIDNIGHT.    
MONDAY AND MONDAY NIGHT
 
MOSTLY CLOUDY WITH A CHANCE OF  
SHOWERS. LOWS IN THE LOWER 50S. HIGHS IN THE MID 60S. NORTHEAST  
WINDS 5 TO 10 MPH.    
TUESDAY
 
PARTLY SUNNY WITH A CHANCE OF SHOWERS. HIGHS IN THE  
UPPER 50S. NORTHEAST WINDS AROUND 10 MPH.    
TUESDAY NIGHT
 
MOSTLY CLOUDY. LOWS IN THE UPPER 40S. NORTHEAST  
WINDS 10 TO 15 MPH.    
WEDNESDAY AND WEDNESDAY NIGHT
 
PARTLY CLOUDY. LOWS IN THE UPPER  
40S. HIGHS IN THE LOWER 60S. NORTHEAST WINDS 10 TO 15 MPH.    
THURSDAY
 
PARTLY SUNNY WITH A CHANCE OF SHOWERS. HIGHS IN THE  
LOWER 60S. NORTHEAST WINDS 10 TO 15 MPH.  
 

 
 
RIZ004-180800-  
EASTERN KENT RI-  
INCLUDING THE CITIES OF EAST GREENWICH, WARWICK, AND WEST WARWICK  
407 PM EDT THU SEP 17 2026  
 
TONIGHT FRI FRI NIGHT SAT  
 
CLOUD COVER MCLDY MCLEAR PCLDY MCLEAR  
PRECIP TYPE TSTMS SHOWERS NONE NONE  
CHANCE PRECIP (%) 50 30  
CHANCE OF THUNDER (%) 20 0 0 0  
TEMP (24H TREND) 66 (+4) 78 (+1) 50 67  
RH % (24H TREND) 100 (0) 46 (-16) 77 47  
20FT WND AM(MPH) NW 6 NE 5  
20FT WND PM(MPH) S 6 N 7 N 6 LGT/VAR  
PRECIP AMOUNT 0.07 0.00 0.00 0.00  
PRECIP DURATION 2  
PRECIP BEGIN 7 PM  
PRECIP END 6 AM  
MIXING HGT (FT-AGL) 440 5730 440 4440  
TRANSPORT WND (KTS) SW 11 N 12 N 9 NE 5  
VENT RATE (KT-FT) 4840 68760 3960 22200  
MAX ADI EARLY 23 FAIR 40 FAIR 23 FAIR 44 GEN GOOD  
MAX ADI LATE 11 POOR 44 GEN GOOD 10 POOR 42 GEN GOOD  
MAX LVORI EARLY 8 1 4 2  
MAX LVORI LATE 8 1 4 2  
MIN VSBY EARLY 10 10 10 10  
MIN VSBY LATE 10 10 10 10  
SUNSHINE HOURS N/A N/A N/A N/A  
CWR 30 10 0 0  
 
REMARKS...NONE.  
   
FORECAST FOR DAYS 3 THROUGH 7
 
   
SATURDAY NIGHT
 
PARTLY CLOUDY. LOWS IN THE LOWER 50S. SOUTHEAST  
WINDS AROUND 5 MPH.    
SUNDAY
 
MOSTLY CLOUDY WITH SHOWERS LIKELY. HIGHS IN THE MID  
60S. SOUTHEAST WINDS AROUND 5 MPH.    
SUNDAY NIGHT
 
CLOUDY WITH SHOWERS LIKELY. LOWS IN THE MID 50S.  
SOUTHEAST WINDS AROUND 5 MPH, BECOMING NORTHEAST AFTER MIDNIGHT.    
MONDAY AND MONDAY NIGHT
 
MOSTLY CLOUDY WITH A CHANCE OF  
SHOWERS. LOWS IN THE MID 50S. HIGHS IN THE MID 60S. NORTHEAST  
WINDS 5 TO 10 MPH.    
TUESDAY
 
PARTLY SUNNY WITH A CHANCE OF SHOWERS. HIGHS AROUND  
60. NORTHEAST WINDS 10 TO 15 MPH.    
TUESDAY NIGHT
 
MOSTLY CLOUDY. LOWS IN THE LOWER 50S. NORTHEAST  
WINDS 10 TO 15 MPH.    
WEDNESDAY AND WEDNESDAY NIGHT
 
PARTLY CLOUDY. LOWS IN THE LOWER  
50S. HIGHS IN THE LOWER 60S. NORTHEAST WINDS 10 TO 15 MPH.    
THURSDAY
 
PARTLY SUNNY WITH A CHANCE OF SHOWERS. HIGHS IN THE  
LOWER 60S. NORTHEAST WINDS 10 TO 15 MPH.  
 

 
 
RIZ005-180800-  
BRISTOL RI-  
INCLUDING THE CITY OF BRISTOL  
407 PM EDT THU SEP 17 2026  
 
TONIGHT FRI FRI NIGHT SAT  
 
CLOUD COVER MCLDY PCLDY PCLDY MCLEAR  
PRECIP TYPE TSTMS SHOWERS NONE NONE  
CHANCE PRECIP (%) 50 30  
CHANCE OF THUNDER (%) 20 0 0 0  
TEMP (24H TREND) 67 (+4) 78 (+2) 50 66  
RH % (24H TREND) 97 (-3) 47 (-26) 80 48  
20FT WND AM(MPH) NW 6 NE 5  
20FT WND PM(MPH) S 7 N 7 N 6 LGT/VAR  
PRECIP AMOUNT 0.12 0.00 0.00 0.00  
PRECIP DURATION 3  
PRECIP BEGIN 7 PM  
PRECIP END 6 AM  
MIXING HGT (FT-AGL) 440 5700 440 4630  
TRANSPORT WND (KTS) S 12 N 11 N 9 N 6  
VENT RATE (KT-FT) 5280 62700 3960 27780  
MAX ADI EARLY 18 GEN POOR 39 FAIR 16 GEN POOR 48 GEN GOOD  
MAX ADI LATE 13 GEN POOR 43 GEN GOOD 11 POOR 44 GEN GOOD  
MAX LVORI EARLY 8 2 4 2  
MAX LVORI LATE 8 2 4 2  
MIN VSBY EARLY 10 6 FOG 10 10  
MIN VSBY LATE 10 10 10 10  
SUNSHINE HOURS N/A N/A N/A N/A  
CWR 30 10 0 0  
 
REMARKS...NONE.  
   
FORECAST FOR DAYS 3 THROUGH 7
 
   
SATURDAY NIGHT
 
PARTLY CLOUDY. LOWS IN THE MID 50S. SOUTHEAST  
WINDS AROUND 5 MPH.    
SUNDAY
 
MOSTLY CLOUDY WITH SHOWERS LIKELY. HIGHS IN THE MID  
60S. SOUTHEAST WINDS AROUND 5 MPH.    
SUNDAY NIGHT
 
CLOUDY WITH SHOWERS LIKELY. LOWS IN THE UPPER  
50S. SOUTHEAST WINDS AROUND 5 MPH, BECOMING NORTHEAST AFTER  
MIDNIGHT.    
MONDAY AND MONDAY NIGHT
 
MOSTLY CLOUDY. A CHANCE OF SHOWERS.  
LOWS IN THE MID 50S. HIGHS IN THE UPPER 60S. NORTHEAST WINDS 5 TO  
10 MPH.    
TUESDAY
 
PARTLY SUNNY WITH A CHANCE OF SHOWERS. HIGHS IN THE  
LOWER 60S. NORTHEAST WINDS 10 TO 15 MPH.    
TUESDAY NIGHT
 
MOSTLY CLOUDY. LOWS IN THE LOWER 50S. NORTHEAST  
WINDS 10 TO 15 MPH.    
WEDNESDAY AND WEDNESDAY NIGHT
 
PARTLY CLOUDY. LOWS IN THE LOWER  
50S. HIGHS IN THE LOWER 60S. NORTHEAST WINDS 10 TO 15 MPH.    
THURSDAY
 
PARTLY SUNNY WITH A CHANCE OF SHOWERS. HIGHS IN THE  
LOWER 60S. NORTHEAST WINDS 10 TO 15 MPH.  
 

 
 
RIZ006-180800-  
WASHINGTON RI-  
INCLUDING THE CITIES OF NARRAGANSETT AND WESTERLY  
407 PM EDT THU SEP 17 2026  
 
TONIGHT FRI FRI NIGHT SAT  
 
CLOUD COVER MCLDY PCLDY PCLDY MCLEAR  
PRECIP TYPE TSTMS SHOWERS NONE NONE  
CHANCE PRECIP (%) 50 30  
CHANCE OF THUNDER (%) 20 0 0 0  
TEMP (24H TREND) 66 (+5) 78 (+3) 49 67  
RH % (24H TREND) 100 (0) 48 (-22) 80 46  
20FT WND AM(MPH) NW 6 NE 5  
20FT WND PM(MPH) SW 5 N 7 N 5 LGT/VAR  
PRECIP AMOUNT 0.06 0.01 0.00 0.00  
PRECIP DURATION 2 0  
PRECIP BEGIN 7 PM CONTINUING  
PRECIP END CONTINUING 8 AM  
MIXING HGT (FT-AGL) 430 5300 410 4430  
TRANSPORT WND (KTS) SW 11 N 10 N 10 NE 5  
VENT RATE (KT-FT) 4730 53000 4100 22150  
MAX ADI EARLY 15 GEN POOR 35 FAIR 17 GEN POOR 39 FAIR  
MAX ADI LATE 13 GEN POOR 41 GEN GOOD 12 POOR 39 FAIR  
MAX LVORI EARLY 9 3 4 2  
MAX LVORI LATE 9 3 4 2  
MIN VSBY EARLY 10 9 10 10  
MIN VSBY LATE 10 10 10 10  
SUNSHINE HOURS N/A N/A N/A N/A  
CWR 20 20 0 0  
 
REMARKS...NONE.  
   
FORECAST FOR DAYS 3 THROUGH 7
 
   
SATURDAY NIGHT
 
PARTLY CLOUDY. LOWS IN THE LOWER 50S. SOUTHEAST  
WINDS AROUND 5 MPH.    
SUNDAY
 
MOSTLY CLOUDY WITH SHOWERS LIKELY. HIGHS IN THE MID  
60S. SOUTHEAST WINDS 5 TO 10 MPH.    
SUNDAY NIGHT
 
CLOUDY WITH SHOWERS LIKELY. LOWS IN THE MID 50S.  
SOUTHEAST WINDS 5 TO 10 MPH, BECOMING NORTHEAST AFTER MIDNIGHT.    
MONDAY AND MONDAY NIGHT
 
MOSTLY CLOUDY WITH A CHANCE OF  
SHOWERS. LOWS IN THE MID 50S. HIGHS IN THE MID 60S. NORTHEAST  
WINDS 10 TO 15 MPH.    
TUESDAY
 
PARTLY SUNNY WITH A CHANCE OF SHOWERS. HIGHS IN THE  
LOWER 60S. NORTHEAST WINDS 15 TO 20 MPH.    
TUESDAY NIGHT
 
MOSTLY CLOUDY. LOWS AROUND 50. NORTHEAST WINDS  
15 TO 20 MPH.    
WEDNESDAY
 
BREEZY. MOSTLY SUNNY. HIGHS IN THE LOWER 60S.  
NORTHEAST WINDS 20 TO 25 MPH.    
WEDNESDAY NIGHT
 
MOSTLY CLOUDY. LOWS IN THE LOWER 50S.  
NORTHEAST WINDS 15 TO 20 MPH.    
THURSDAY
 
PARTLY SUNNY WITH A CHANCE OF SHOWERS. HIGHS IN THE  
LOWER 60S. NORTHEAST WINDS 15 TO 20 MPH.  
 

 
 
RIZ007-180800-  
NEWPORT RI-  
INCLUDING THE CITY OF NEWPORT  
407 PM EDT THU SEP 17 2026  
 
TONIGHT FRI FRI NIGHT SAT  
 
CLOUD COVER MCLDY PCLDY PCLDY MCLEAR  
PRECIP TYPE TSTMS SHOWERS NONE NONE  
CHANCE PRECIP (%) 50 40  
CHANCE OF THUNDER (%) 20 0 0 0  
TEMP (24H TREND) 66 (+2) 78 (+4) 51 66  
RH % (24H TREND) 100 (0) 47 (-26) 83 48  
20FT WND AM(MPH) NW 7 NE 7  
20FT WND PM(MPH) S 7 N 7 N 7 E 5  
PRECIP AMOUNT 0.10 0.02 0.00 0.00  
PRECIP DURATION 2 0  
PRECIP BEGIN 7 PM CONTINUING  
PRECIP END CONTINUING 8 AM  
MIXING HGT (FT-AGL) 440 4020 440 4490  
TRANSPORT WND (KTS) SW 13 N 10 N 10 NE 6  
VENT RATE (KT-FT) 5720 40200 4400 26940  
MAX ADI EARLY 14 GEN POOR 31 FAIR 11 POOR 42 GEN GOOD  
MAX ADI LATE 14 GEN POOR 30 FAIR 12 POOR 43 GEN GOOD  
MAX LVORI EARLY 8 3 4 1  
MAX LVORI LATE 8 3 4 1  
MIN VSBY EARLY 10 5 FOG 10 10  
MIN VSBY LATE 10 10 10 10  
SUNSHINE HOURS N/A N/A N/A N/A  
CWR 30 20 0 0  
 
REMARKS...NONE.  
   
FORECAST FOR DAYS 3 THROUGH 7
 
   
SATURDAY NIGHT
 
PARTLY CLOUDY. LOWS IN THE MID 50S. SOUTHEAST  
WINDS AROUND 5 MPH.    
SUNDAY
 
MOSTLY CLOUDY WITH SHOWERS LIKELY. HIGHS IN THE UPPER  
60S. SOUTHEAST WINDS 5 TO 10 MPH.    
SUNDAY NIGHT
 
CLOUDY WITH SHOWERS LIKELY. LOWS IN THE UPPER  
50S. SOUTHEAST WINDS 5 TO 10 MPH, BECOMING NORTHEAST AFTER  
MIDNIGHT.    
MONDAY AND MONDAY NIGHT
 
MOSTLY CLOUDY WITH A CHANCE OF  
SHOWERS. LOWS IN THE UPPER 50S. HIGHS IN THE UPPER 60S. NORTHEAST  
WINDS 10 TO 15 MPH.    
TUESDAY
 
PARTLY SUNNY WITH A CHANCE OF SHOWERS. HIGHS IN THE  
LOWER 60S. NORTHEAST WINDS 15 TO 20 MPH.    
TUESDAY NIGHT
 
MOSTLY CLOUDY. LOWS IN THE MID 50S. NORTHEAST  
WINDS 15 TO 20 MPH.    
WEDNESDAY AND WEDNESDAY NIGHT
 
BREEZY. PARTLY CLOUDY. LOWS IN  
THE MID 50S. HIGHS IN THE LOWER 60S. NORTHEAST WINDS 15 TO  
25 MPH.    
THURSDAY
 
PARTLY SUNNY WITH A CHANCE OF SHOWERS. HIGHS IN THE  
LOWER 60S. NORTHEAST WINDS 15 TO 20 MPH.  
 

 
 
RIZ008-180800-  
BLOCK ISLAND RI-  
INCLUDING THE CITY OF NEW SHOREHAM  
407 PM EDT THU SEP 17 2026  
 
TONIGHT FRI FRI NIGHT SAT  
 
CLOUD COVER MCLDY MCLEAR PCLDY MCLEAR  
PRECIP TYPE TSTMS SHOWERS NONE NONE  
CHANCE PRECIP (%) 40 30  
CHANCE OF THUNDER (%) 20 0 0 0  
TEMP (24H TREND) 68 (+2) 74 (+2) 57 64  
RH % (24H TREND) 100 (+3) 68 (-10) 77 58  
20FT WND AM(MPH) NW 8 NE 10  
20FT WND PM(MPH) SW 8 N 5 N 7 E 7  
PRECIP AMOUNT 0.06 0.02 0.00 0.00  
PRECIP DURATION 1 0  
PRECIP BEGIN 10 PM CONTINUING  
PRECIP END CONTINUING 8 AM  
MIXING HGT (FT-AGL) 500 980 500 3410  
TRANSPORT WND (KTS) S 13 N 10 N 7 NE 7  
VENT RATE (KT-FT) 6500 9800 3500 23870  
MAX ADI EARLY 16 GEN POOR 14 GEN POOR 20 GEN POOR 33 FAIR  
MAX ADI LATE 19 GEN POOR 11 POOR 26 FAIR 33 FAIR  
MAX LVORI EARLY 5 4 3 2  
MAX LVORI LATE 5 4 3 2  
MIN VSBY EARLY 10 10 10 10  
MIN VSBY LATE 10 10 10 10  
SUNSHINE HOURS N/A N/A N/A N/A  
CWR 30 20 0 0  
 
REMARKS...NONE.  
   
FORECAST FOR DAYS 3 THROUGH 7
 
   
SATURDAY NIGHT
 
PARTLY CLOUDY. LOWS AROUND 60. SOUTHEAST WINDS  
AROUND 5 MPH.    
SUNDAY
 
MOSTLY CLOUDY WITH SHOWERS LIKELY. HIGHS IN THE UPPER  
60S. SOUTHEAST WINDS 5 TO 10 MPH.    
SUNDAY NIGHT
 
CLOUDY WITH SHOWERS LIKELY. LOWS IN THE LOWER  
60S. SOUTHEAST WINDS 5 TO 10 MPH, BECOMING NORTHEAST 10 TO 15 MPH  
AFTER MIDNIGHT.    
MONDAY THROUGH TUESDAY
 
MOSTLY CLOUDY WITH A CHANCE OF SHOWERS.  
LOWS IN THE LOWER 60S. HIGHS IN THE MID 60S. NORTHEAST WINDS  
15 TO 20 MPH.    
TUESDAY NIGHT
 
BREEZY. MOSTLY CLOUDY. LOWS IN THE UPPER 50S.  
NORTHEAST WINDS 15 TO 25 MPH.    
WEDNESDAY
 
BREEZY. MOSTLY SUNNY. HIGHS IN THE LOWER 60S.  
NORTHEAST WINDS 20 TO 25 MPH.    
WEDNESDAY NIGHT
 
BREEZY. MOSTLY CLOUDY. LOWS IN THE UPPER 50S.  
NORTHEAST WINDS 15 TO 25 MPH.    
THURSDAY
 
BREEZY. PARTLY SUNNY WITH A CHANCE OF SHOWERS. HIGHS  
IN THE LOWER 60S. NORTHEAST WINDS 20 TO 25 MPH.  
 

 
 
MAZ017-180800-  
NORTHERN BRISTOL MA-  
INCLUDING THE CITY OF TAUNTON  
407 PM EDT THU SEP 17 2026  
 
TONIGHT FRI FRI NIGHT SAT  
 
CLOUD COVER MCLDY MCLEAR MCLEAR MCLEAR  
PRECIP TYPE TSTMS NONE NONE NONE  
CHANCE PRECIP (%) 60 30  
CHANCE OF THUNDER (%) 20 0 0 0  
TEMP (24H TREND) 65 (+5) 78 (0) 45 66  
RH % (24H TREND) 100 (0) 45 (-21) 93 46  
20FT WND AM(MPH) NW 5 LGT/VAR  
20FT WND PM(MPH) LGT/VAR N 6 N 5 LGT/VAR  
PRECIP AMOUNT 0.15 0.00 0.00 0.00  
PRECIP DURATION 3  
PRECIP BEGIN 6 PM  
PRECIP END 6 AM  
MIXING HGT (FT-AGL) 430 5870 420 4400  
TRANSPORT WND (KTS) SW 11 N 13 N 8 NE 6  
VENT RATE (KT-FT) 4730 76310 3360 26400  
MAX ADI EARLY 23 FAIR 48 GEN GOOD 36 FAIR 48 GEN GOOD  
MAX ADI LATE 9 POOR 97 GOOD 8 POOR 44 GEN GOOD  
MAX LVORI EARLY 9 1 5 2  
MAX LVORI LATE 9 1 5 2  
MIN VSBY EARLY 10 5 FOG 10 10  
MIN VSBY LATE 6 FOG 10 10 10  
SUNSHINE HOURS N/A N/A N/A N/A  
CWR 40 0 0 0  
 
REMARKS...NONE.  
   
FORECAST FOR DAYS 3 THROUGH 7
 
   
SATURDAY NIGHT
 
PARTLY CLOUDY. LOWS IN THE UPPER 40S. SOUTHEAST  
WINDS AROUND 5 MPH IN THE EVENING, BECOMING LIGHT AND VARIABLE.    
SUNDAY
 
MOSTLY CLOUDY WITH SHOWERS LIKELY. HIGHS IN THE MID  
60S. SOUTHEAST WINDS AROUND 5 MPH.    
SUNDAY NIGHT
 
CLOUDY WITH SHOWERS LIKELY. LOWS IN THE LOWER  
50S. SOUTHEAST WINDS AROUND 5 MPH, BECOMING NORTHEAST AFTER  
MIDNIGHT.    
MONDAY
 
PARTLY SUNNY WITH A CHANCE OF SHOWERS. HIGHS IN THE MID  
60S. NORTHEAST WINDS 5 TO 10 MPH.    
MONDAY NIGHT THROUGH TUESDAY NIGHT
 
MOSTLY CLOUDY. LOWS IN THE  
UPPER 40S. HIGHS AROUND 60. 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
 
PARTLY SUNNY WITH A CHANCE OF SHOWERS. HIGHS IN THE  
LOWER 60S. NORTHEAST WINDS 5 TO 10 MPH.  
 

 
 
MAZ018-180800-  
WESTERN PLYMOUTH MA-  
INCLUDING THE CITY OF BROCKTON  
407 PM EDT THU SEP 17 2026  
 
TONIGHT FRI FRI NIGHT SAT  
 
CLOUD COVER MCLDY MCLEAR PCLDY MCLEAR  
PRECIP TYPE TSTMS SHOWERS NONE NONE  
CHANCE PRECIP (%) 60 30  
CHANCE OF THUNDER (%) 20 0 0 0  
TEMP (24H TREND) 65 (+7) 77 (-1) 45 64  
RH % (24H TREND) 100 (0) 46 (-22) 93 48  
20FT WND AM(MPH) NW 5 LGT/VAR  
20FT WND PM(MPH) S 5 N 7 N 5 LGT/VAR  
PRECIP AMOUNT 0.14 0.01 0.00 0.00  
PRECIP DURATION 4 0  
PRECIP BEGIN 6 PM CONTINUING  
PRECIP END CONTINUING 8 AM  
MIXING HGT (FT-AGL) 420 5910 410 4120  
TRANSPORT WND (KTS) SW 11 N 13 N 9 NE 9  
VENT RATE (KT-FT) 4620 76830 3690 37080  
MAX ADI EARLY 8 POOR 40 FAIR 28 FAIR 52 GEN GOOD  
MAX ADI LATE 10 POOR 89 GOOD 8 POOR 48 GEN GOOD  
MAX LVORI EARLY 9 2 5 2  
MAX LVORI LATE 9 2 5 2  
MIN VSBY EARLY 10 3 FOG 10 10  
MIN VSBY LATE 6 FOG 10 10 10  
SUNSHINE HOURS N/A N/A N/A N/A  
CWR 40 20 0 0  
 
REMARKS...NONE.  
   
FORECAST FOR DAYS 3 THROUGH 7
 
   
SATURDAY NIGHT
 
PARTLY CLOUDY. LOWS IN THE UPPER 40S. SOUTHEAST  
WINDS AROUND 5 MPH.    
SUNDAY
 
MOSTLY CLOUDY WITH SHOWERS LIKELY. HIGHS IN THE MID  
60S. SOUTHEAST WINDS AROUND 5 MPH.    
SUNDAY NIGHT
 
CLOUDY WITH SHOWERS LIKELY. LOWS IN THE LOWER  
50S. SOUTHEAST WINDS AROUND 5 MPH, BECOMING NORTHEAST AFTER  
MIDNIGHT.    
MONDAY
 
PARTLY SUNNY WITH A CHANCE OF SHOWERS. HIGHS IN THE MID  
60S. NORTHEAST WINDS 5 TO 10 MPH.    
MONDAY NIGHT THROUGH TUESDAY NIGHT
 
MOSTLY CLOUDY. LOWS AROUND  
50. HIGHS AROUND 60. NORTHEAST WINDS 10 TO 15 MPH.    
WEDNESDAY
 
MOSTLY SUNNY. HIGHS IN THE LOWER 60S. NORTHEAST  
WINDS 10 TO 15 MPH.    
WEDNESDAY NIGHT
 
MOSTLY CLOUDY. LOWS IN THE UPPER 40S.  
NORTHEAST WINDS 10 TO 15 MPH.    
THURSDAY
 
PARTLY SUNNY WITH A CHANCE OF SHOWERS. HIGHS IN THE  
LOWER 60S. NORTHEAST WINDS 10 TO 15 MPH.  
 

 
 
MAZ019-180800-  
EASTERN PLYMOUTH MA-  
INCLUDING THE CITY OF PLYMOUTH  
407 PM EDT THU SEP 17 2026  
 
TONIGHT FRI FRI NIGHT SAT  
 
CLOUD COVER MCLDY MCLEAR PCLDY MCLEAR  
PRECIP TYPE TSTMS NONE NONE NONE  
CHANCE PRECIP (%) 70 30  
CHANCE OF THUNDER (%) 20 0 0 0  
TEMP (24H TREND) 65 (+5) 75 (-1) 49 64  
RH % (24H TREND) 100 (0) 49 (-15) 86 50  
20FT WND AM(MPH) NW 7 G17 NE 7  
20FT WND PM(MPH) S 6 N 7 N 7 NE 5  
PRECIP AMOUNT 0.17 0.00 0.00 0.00  
PRECIP DURATION 4  
PRECIP BEGIN 6 PM  
PRECIP END 6 AM  
MIXING HGT (FT-AGL) 430 3580 440 3690  
TRANSPORT WND (KTS) SW 13 N 11 N 9 NE 11  
VENT RATE (KT-FT) 5590 39380 3960 40590  
MAX ADI EARLY 12 POOR 31 FAIR 12 POOR 38 FAIR  
MAX ADI LATE 14 GEN POOR 31 FAIR 12 POOR 39 FAIR  
MAX LVORI EARLY 8 3 3 2  
MAX LVORI LATE 8 3 3 2  
MIN VSBY EARLY 10 3 FOG 10 10  
MIN VSBY LATE 5 FOG 10 10 10  
SUNSHINE HOURS N/A N/A N/A N/A  
CWR 40 0 0 0  
 
REMARKS...NONE.  
   
FORECAST FOR DAYS 3 THROUGH 7
 
   
SATURDAY NIGHT
 
PARTLY CLOUDY. LOWS IN THE LOWER 50S. SOUTHEAST  
WINDS AROUND 5 MPH.    
SUNDAY
 
MOSTLY CLOUDY WITH SHOWERS LIKELY. HIGHS IN THE MID  
60S. SOUTHEAST WINDS 5 TO 10 MPH.    
SUNDAY NIGHT
 
CLOUDY WITH SHOWERS LIKELY. LOWS IN THE MID 50S.  
SOUTHEAST WINDS AROUND 5 MPH, BECOMING NORTHEAST AFTER MIDNIGHT.    
MONDAY
 
PARTLY SUNNY WITH A CHANCE OF SHOWERS. HIGHS IN THE MID  
60S. NORTHEAST WINDS 10 TO 15 MPH.    
MONDAY NIGHT THROUGH TUESDAY NIGHT
 
MOSTLY CLOUDY. LOWS IN THE  
MID 50S. HIGHS IN THE LOWER 60S. NORTHEAST WINDS 15 TO 20 MPH.    
WEDNESDAY AND WEDNESDAY NIGHT
 
PARTLY CLOUDY. LOWS IN THE LOWER  
50S. HIGHS IN THE LOWER 60S. NORTHEAST WINDS 15 TO 20 MPH.    
THURSDAY
 
MOSTLY SUNNY WITH A CHANCE OF SHOWERS. HIGHS IN THE  
LOWER 60S. NORTHEAST WINDS 15 TO 20 MPH.  
 

 
 
MAZ020-180800-  
SOUTHERN BRISTOL MA-  
INCLUDING THE CITIES OF FALL RIVER AND NEW BEDFORD  
407 PM EDT THU SEP 17 2026  
 
TONIGHT FRI FRI NIGHT SAT  
 
CLOUD COVER MCLDY PCLDY PCLDY MCLEAR  
PRECIP TYPE TSTMS SHOWERS NONE NONE  
CHANCE PRECIP (%) 50 40  
CHANCE OF THUNDER (%) 20 0 0 0  
TEMP (24H TREND) 65 (+4) 79 (+4) 47 67  
RH % (24H TREND) 100 (0) 45 (-26) 93 47  
20FT WND AM(MPH) NW 6 NE 5  
20FT WND PM(MPH) S 6 N 7 N 5 E 5  
PRECIP AMOUNT 0.12 0.01 0.00 0.00  
PRECIP DURATION 2 0  
PRECIP BEGIN 7 PM CONTINUING  
PRECIP END CONTINUING 8 AM  
MIXING HGT (FT-AGL) 430 5850 410 4440  
TRANSPORT WND (KTS) SW 13 N 11 N 9 NE 7  
VENT RATE (KT-FT) 5590 64350 3690 31080  
MAX ADI EARLY 16 GEN POOR 39 FAIR 18 GEN POOR 48 GEN GOOD  
MAX ADI LATE 13 GEN POOR 76 GOOD 9 POOR 46 GEN GOOD  
MAX LVORI EARLY 8 2 5 2  
MAX LVORI LATE 8 2 5 2  
MIN VSBY EARLY 10 5 FOG 10 10  
MIN VSBY LATE 6 FOG 10 10 10  
SUNSHINE HOURS N/A N/A N/A N/A  
CWR 30 20 0 0  
 
REMARKS...NONE.  
   
FORECAST FOR DAYS 3 THROUGH 7
 
   
SATURDAY NIGHT
 
PARTLY CLOUDY. LOWS IN THE LOWER 50S. SOUTHEAST  
WINDS AROUND 5 MPH.    
SUNDAY
 
MOSTLY CLOUDY WITH SHOWERS LIKELY. HIGHS IN THE UPPER  
60S. SOUTHEAST WINDS 5 TO 10 MPH.    
SUNDAY NIGHT
 
CLOUDY WITH SHOWERS LIKELY. LOWS IN THE MID 50S.  
SOUTHEAST WINDS 5 TO 10 MPH, BECOMING NORTHEAST AFTER MIDNIGHT.    
MONDAY AND MONDAY NIGHT
 
MOSTLY CLOUDY. A CHANCE OF SHOWERS.  
LOWS IN THE MID 50S. HIGHS IN THE UPPER 60S. NORTHEAST WINDS  
10 TO 15 MPH.    
TUESDAY
 
PARTLY SUNNY WITH A CHANCE OF SHOWERS. HIGHS IN THE  
LOWER 60S. NORTHEAST WINDS 15 TO 20 MPH.    
TUESDAY NIGHT
 
MOSTLY CLOUDY. LOWS IN THE LOWER 50S. NORTHEAST  
WINDS 15 TO 20 MPH.    
WEDNESDAY AND WEDNESDAY NIGHT
 
BREEZY. PARTLY CLOUDY. LOWS IN  
THE LOWER 50S. HIGHS IN THE LOWER 60S. NORTHEAST WINDS 15 TO  
25 MPH.    
THURSDAY
 
BREEZY. PARTLY SUNNY WITH A CHANCE OF SHOWERS. HIGHS  
IN THE LOWER 60S. NORTHEAST WINDS 20 TO 25 MPH.  
 

 
 
MAZ021-180800-  
SOUTHERN PLYMOUTH MA-  
INCLUDING THE CITY OF MATTAPOISETT  
407 PM EDT THU SEP 17 2026  
 
TONIGHT FRI FRI NIGHT SAT  
 
CLOUD COVER MCLDY PCLDY PCLDY MCLEAR  
PRECIP TYPE TSTMS SHOWERS NONE NONE  
CHANCE PRECIP (%) 60 40  
CHANCE OF THUNDER (%) 20 0 0 0  
TEMP (24H TREND) 65 (+4) 79 (+4) 47 66  
RH % (24H TREND) 100 (0) 48 (-25) 93 48  
20FT WND AM(MPH) NW 6 NE 6  
20FT WND PM(MPH) S 6 N 7 N 5 NE 5  
PRECIP AMOUNT 0.13 0.02 0.00 0.00  
PRECIP DURATION 3 0  
PRECIP BEGIN 7 PM CONTINUING  
PRECIP END CONTINUING 8 AM  
MIXING HGT (FT-AGL) 430 5390 410 4100  
TRANSPORT WND (KTS) SW 12 N 11 N 9 NE 9  
VENT RATE (KT-FT) 5160 59290 3690 36900  
MAX ADI EARLY 9 POOR 39 FAIR 15 GEN POOR 52 GEN GOOD  
MAX ADI LATE 14 GEN POOR 65 GOOD 8 POOR 53 GEN GOOD  
MAX LVORI EARLY 8 2 5 2  
MAX LVORI LATE 8 2 5 2  
MIN VSBY EARLY 10 4 FOG 10 10  
MIN VSBY LATE 6 FOG 10 10 10  
SUNSHINE HOURS N/A N/A N/A N/A  
CWR 40 30 0 0  
 
REMARKS...NONE.  
   
FORECAST FOR DAYS 3 THROUGH 7
 
   
SATURDAY NIGHT
 
PARTLY CLOUDY. LOWS IN THE LOWER 50S. SOUTHEAST  
WINDS AROUND 5 MPH.    
SUNDAY
 
MOSTLY CLOUDY WITH SHOWERS LIKELY. HIGHS IN THE UPPER  
60S. SOUTHEAST WINDS 5 TO 10 MPH.    
SUNDAY NIGHT
 
CLOUDY WITH SHOWERS LIKELY. LOWS IN THE MID 50S.  
SOUTHEAST WINDS 5 TO 10 MPH, BECOMING NORTHEAST AFTER MIDNIGHT.    
MONDAY AND MONDAY NIGHT
 
MOSTLY CLOUDY. A CHANCE OF SHOWERS.  
LOWS IN THE MID 50S. HIGHS IN THE UPPER 60S. NORTHEAST WINDS  
10 TO 15 MPH.    
TUESDAY
 
PARTLY SUNNY WITH A CHANCE OF SHOWERS. HIGHS IN THE  
LOWER 60S. NORTHEAST WINDS 10 TO 15 MPH.    
TUESDAY NIGHT
 
MOSTLY CLOUDY. LOWS IN THE LOWER 50S. NORTHEAST  
WINDS 10 TO 15 MPH.    
WEDNESDAY
 
MOSTLY SUNNY. HIGHS IN THE LOWER 60S. NORTHEAST  
WINDS 15 TO 20 MPH.    
WEDNESDAY NIGHT
 
MOSTLY CLOUDY. LOWS IN THE LOWER 50S.  
NORTHEAST WINDS 15 TO 20 MPH.    
THURSDAY
 
PARTLY SUNNY WITH A CHANCE OF SHOWERS. HIGHS IN THE  
MID 60S. NORTHEAST WINDS 15 TO 20 MPH.  
 

 
 
MAZ022-180800-  
BARNSTABLE MA-  
INCLUDING THE CITIES OF CHATHAM, FALMOUTH, AND PROVINCETOWN  
407 PM EDT THU SEP 17 2026  
 
TONIGHT FRI FRI NIGHT SAT  
 
CLOUD COVER MCLDY PCLDY PCLDY MCLEAR  
PRECIP TYPE TSTMS SHOWERS NONE NONE  
CHANCE PRECIP (%) 60 50  
CHANCE OF THUNDER (%) 20 0 0 0  
TEMP (24H TREND) 65 (+3) 74 (+2) 51 64  
RH % (24H TREND) 100 (0) 59 (-9) 89 54  
20FT WND AM(MPH) NW 7 G18 NE 8  
20FT WND PM(MPH) S 6 N 7 G17 N 6 G18 NE 5  
PRECIP AMOUNT 0.14 0.04 0.00 0.00  
PRECIP DURATION 3 1  
PRECIP BEGIN 8 PM CONTINUING  
PRECIP END CONTINUING 10 AM  
MIXING HGT (FT-AGL) 440 3160 560 3700  
TRANSPORT WND (KTS) SW 16 N 11 N 8 NE 13  
VENT RATE (KT-FT) 7040 34760 4480 48100  
MAX ADI EARLY 14 GEN POOR 29 FAIR 15 GEN POOR 39 FAIR  
MAX ADI LATE 16 GEN POOR 32 FAIR 21 FAIR 51 GEN GOOD  
MAX LVORI EARLY 5 4 3 2  
MAX LVORI LATE 5 4 3 2  
MIN VSBY EARLY 10 3 FOG 10 10  
MIN VSBY LATE 6 FOG 10 10 10  
SUNSHINE HOURS N/A N/A N/A N/A  
CWR 50 40 0 0  
 
REMARKS...NONE.  
   
FORECAST FOR DAYS 3 THROUGH 7
 
   
SATURDAY NIGHT
 
PARTLY CLOUDY. LOWS IN THE MID 50S. SOUTHEAST  
WINDS AROUND 5 MPH.    
SUNDAY
 
MOSTLY CLOUDY WITH A CHANCE OF SHOWERS. HIGHS IN THE  
MID 60S. SOUTHEAST WINDS 5 TO 10 MPH.    
SUNDAY NIGHT
 
CLOUDY WITH SHOWERS LIKELY. LOWS IN THE UPPER  
50S. EAST WINDS 5 TO 10 MPH.    
MONDAY THROUGH TUESDAY
 
MOSTLY CLOUDY WITH A CHANCE OF SHOWERS.  
LOWS IN THE UPPER 50S. HIGHS IN THE MID 60S. NORTHEAST WINDS  
10 TO 15 MPH.    
TUESDAY NIGHT
 
MOSTLY CLOUDY. LOWS IN THE MID 50S. NORTHEAST  
WINDS 15 TO 20 MPH.    
WEDNESDAY AND WEDNESDAY NIGHT
 
PARTLY CLOUDY. LOWS IN THE MID  
50S. HIGHS IN THE LOWER 60S. NORTHEAST WINDS 15 TO 20 MPH.    
THURSDAY
 
PARTLY SUNNY WITH A CHANCE OF SHOWERS. HIGHS IN THE  
LOWER 60S. NORTHEAST WINDS 15 TO 20 MPH.  
 

 
 
MAZ023-180800-  
DUKES MA-  
INCLUDING THE CITY OF VINEYARD HAVEN  
407 PM EDT THU SEP 17 2026  
 
TONIGHT FRI FRI NIGHT SAT  
 
CLOUD COVER PCLDY PCLDY PCLDY MCLEAR  
PRECIP TYPE TSTMS SHOWERS NONE NONE  
CHANCE PRECIP (%) 60 50  
CHANCE OF THUNDER (%) 20 0 0 0  
TEMP (24H TREND) 65 (+2) 76 (+4) 51 64  
RH % (24H TREND) 100 (0) 62 (-8) 90 54  
20FT WND AM(MPH) NW 8 G17 NE 9  
20FT WND PM(MPH) S 7 N 8 N 7 NE 6  
PRECIP AMOUNT 0.08 0.03 0.00 0.00  
PRECIP DURATION 2 1  
PRECIP BEGIN 10 PM CONTINUING  
PRECIP END CONTINUING 10 AM  
MIXING HGT (FT-AGL) 610 2170 610 3980  
TRANSPORT WND (KTS) S 13 N 10 N 8 NE 10  
VENT RATE (KT-FT) 7930 21700 4880 39800  
MAX ADI EARLY 16 GEN POOR 26 FAIR 17 GEN POOR 42 GEN GOOD  
MAX ADI LATE 19 GEN POOR 26 FAIR 25 FAIR 44 GEN GOOD  
MAX LVORI EARLY 5 3 3 2  
MAX LVORI LATE 5 3 3 2  
MIN VSBY EARLY 10 10 10 10  
MIN VSBY LATE 6 FOG 10 10 10  
SUNSHINE HOURS N/A N/A N/A N/A  
CWR 40 30 0 0  
 
REMARKS...NONE.  
   
FORECAST FOR DAYS 3 THROUGH 7
 
   
SATURDAY NIGHT
 
PARTLY CLOUDY. LOWS IN THE MID 50S. SOUTHEAST  
WINDS 5 TO 10 MPH.    
SUNDAY
 
MOSTLY CLOUDY WITH A CHANCE OF SHOWERS. HIGHS IN THE  
UPPER 60S. SOUTHEAST WINDS 5 TO 10 MPH.    
SUNDAY NIGHT
 
CLOUDY WITH SHOWERS LIKELY. LOWS IN THE UPPER  
50S. SOUTHEAST WINDS 10 TO 15 MPH.    
MONDAY THROUGH TUESDAY
 
MOSTLY CLOUDY WITH A CHANCE OF SHOWERS.  
LOWS IN THE UPPER 50S. HIGHS IN THE MID 60S. NORTHEAST WINDS  
15 TO 20 MPH.    
TUESDAY NIGHT
 
BREEZY. MOSTLY CLOUDY. LOWS IN THE MID 50S.  
NORTHEAST WINDS 15 TO 25 MPH.    
WEDNESDAY AND WEDNESDAY NIGHT
 
WINDY. PARTLY CLOUDY. LOWS IN  
THE MID 50S. HIGHS IN THE LOWER 60S. NORTHEAST WINDS 20 TO  
30 MPH.    
THURSDAY
 
BREEZY. PARTLY SUNNY WITH A CHANCE OF SHOWERS. HIGHS  
IN THE MID 60S. NORTHEAST WINDS 15 TO 25 MPH.  
 

 
 
MAZ024-180800-  
NANTUCKET MA-  
INCLUDING THE CITY OF NANTUCKET  
407 PM EDT THU SEP 17 2026  
 
TONIGHT FRI FRI NIGHT SAT  
 
CLOUD COVER PCLDY PCLDY PCLDY PCLDY  
PRECIP TYPE TSTMS SHOWERS NONE NONE  
CHANCE PRECIP (%) 60 50  
CHANCE OF THUNDER (%) 20 0 0 0  
TEMP (24H TREND) 65 (+1) 71 (0) 54 63  
RH % (24H TREND) 100 (0) 78 (0) 90 60  
20FT WND AM(MPH) W 10 G18 NE 11 G18  
20FT WND PM(MPH) S 7 N 10 G17 N 8 G18 NE 8  
PRECIP AMOUNT 0.07 0.04 0.00 0.00  
PRECIP DURATION 2 1  
PRECIP BEGIN 12 AM CONTINUING  
PRECIP END CONTINUING 11 AM  
MIXING HGT (FT-AGL) 520 1320 680 3510  
TRANSPORT WND (KTS) S 12 W 17 N 10 NE 15  
VENT RATE (KT-FT) 6240 22440 6800 52650  
MAX ADI EARLY 15 GEN POOR 4 VERY POOR 25 FAIR 16 GEN POOR  
MAX ADI LATE 20 GEN POOR 18 GEN POOR 28 FAIR 40 FAIR  
MAX LVORI EARLY 5 7 3 3  
MAX LVORI LATE 5 7 3 3  
MIN VSBY EARLY 10 6 FOG 10 10  
MIN VSBY LATE 6 FOG 10 10 10  
SUNSHINE HOURS N/A N/A N/A N/A  
CWR 40 40 0 0  
 
REMARKS...NONE.  
   
FORECAST FOR DAYS 3 THROUGH 7
 
   
SATURDAY NIGHT
 
PARTLY CLOUDY. LOWS IN THE UPPER 50S. EAST  
WINDS AROUND 5 MPH.    
SUNDAY
 
MOSTLY CLOUDY WITH A CHANCE OF SHOWERS. HIGHS IN THE  
UPPER 60S. SOUTHEAST WINDS 5 TO 10 MPH.    
SUNDAY NIGHT
 
CLOUDY WITH SHOWERS LIKELY. LOWS AROUND 60. EAST  
WINDS 10 TO 15 MPH.    
MONDAY
 
MOSTLY CLOUDY WITH SHOWERS LIKELY. HIGHS IN THE MID  
60S. NORTHEAST WINDS 15 TO 20 MPH.    
MONDAY NIGHT AND TUESDAY
 
MOSTLY CLOUDY. A CHANCE OF SHOWERS.  
LOWS IN THE UPPER 50S. HIGHS IN THE LOWER 60S. NORTHEAST WINDS  
15 TO 20 MPH.    
TUESDAY NIGHT
 
WINDY. MOSTLY CLOUDY. LOWS IN THE UPPER 50S.  
NORTHEAST WINDS 20 TO 30 MPH.    
WEDNESDAY AND WEDNESDAY NIGHT
 
WINDY. PARTLY CLOUDY. LOWS IN  
THE UPPER 50S. HIGHS IN THE LOWER 60S. NORTHEAST WINDS 20 TO  
30 MPH.    
THURSDAY
 
BREEZY. PARTLY SUNNY WITH A CHANCE OF SHOWERS. HIGHS  
IN THE LOWER 60S. NORTHEAST WINDS 15 TO 25 MPH.  
 

 
   
OUTLOOK 8 TO 14 DAYS
 
 
TEMPERATURES NEAR NORMAL. PRECIPITATION ABOVE NORMAL.  
 

 
 
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