667  
FNUS51 KBOX 172008  
FWFBOX  
 
FIRE WEATHER PLANNING FORECAST FOR SOUTHERN NEW ENGLAND  
NATIONAL WEATHER SERVICE BOSTON/NORTON MA  
407 PM EDT MON AUG 17 2026  
   
DISCUSSION  
 
HUMID CONDITIONS PERSIST THIS AFTERNOON AND EVENING WITH SOME  
SCATTERED SHOWERS, MAINLY OVER THE SOUTH COASTAL AREAS. WINDS  
BECOMING LIGHT NORTHERLY TONIGHT INTO TUESDAY WITH DRIER  
CONDITIONS TUESDAY AFTERNOON. HIGHS IN THE LOW TO MID 80S ON  
TUESDAY WITH MINRH VALUES GENERALLY BETWEEN 60 AND 80 PERCENT.  
   
OUTLOOK...WEDNESDAY THROUGH SATURDAY  
 
MAINLY DRY WEATHER WITH SEASONABLE TEMPERATURES THROUGH THE END  
OF THE WEEK. THE BEST CHANCE OF A FEW SHOWERS/THUNDERSTORMS WILL  
BE ON THURSDAY.  
 
MAZ015-180800-  
SUFFOLK MA-  
INCLUDING THE CITY OF BOSTON  
407 PM EDT MON AUG 17 2026  
 
TONIGHT TUE TUE NIGHT WED  
 
CLOUD COVER MCLDY MCLDY PCLDY MCLEAR  
PRECIP TYPE SHOWERS SHOWERS SHOWERS NONE  
CHANCE PRECIP (%) 30 20 20  
CHANCE OF THUNDER (%) 0 0 0 0  
TEMP (24H TREND) 66 (-1) 82 (+7) 65 87  
RH % (24H TREND) 100 (0) 77 (+30) 100 43  
20FT WND AM(MPH) LGT/VAR LGT/VAR  
20FT WND PM(MPH) LGT/VAR LGT/VAR LGT/VAR LGT/VAR  
PRECIP AMOUNT 0.05 0.03 0.01 0.00  
PRECIP DURATION 1 1 0  
PRECIP BEGIN 6 PM 1 PM CONTINUING  
PRECIP END 6 AM CONTINUING 8 PM  
MIXING HGT (FT-AGL) 420 2390 430 6080  
TRANSPORT WND (KTS) E 6 NE 6 NW 5 SW 8  
VENT RATE (KT-FT) 2520 14340 2150 48640  
MAX ADI EARLY 8 POOR 12 POOR 8 POOR 39 FAIR  
MAX ADI LATE 3 VERY POOR 13 GEN POOR 3 VERY POOR 59 GEN GOOD  
MAX LVORI EARLY 10 5 8 1  
MAX LVORI LATE 10 5 8 1  
MIN VSBY EARLY 2 FOG 0 FOG 7 5 FOG  
MIN VSBY LATE 1 FOG 9 4 FOG 9  
SUNSHINE HOURS N/A N/A N/A N/A  
CWR 10 10 0  
 
REMARKS...NONE.  
   
FORECAST FOR DAYS 3 THROUGH 7  
   
WEDNESDAY NIGHT  
MOSTLY CLEAR. LOWS IN THE UPPER 60S. SOUTHWEST  
WINDS AROUND 5 MPH.    
THURSDAY  
MOSTLY SUNNY. HIGHS IN THE MID 80S. NORTHWEST WINDS  
AROUND 5 MPH, BECOMING SOUTHWEST AROUND 5 MPH IN THE AFTERNOON.    
THURSDAY NIGHT  
PARTLY CLOUDY. LOWS IN THE MID 60S. SOUTHWEST  
WINDS AROUND 5 MPH, BECOMING NORTHWEST AFTER MIDNIGHT.    
FRIDAY AND FRIDAY NIGHT  
PARTLY CLOUDY. LOWS IN THE MID 60S.  
HIGHS IN THE UPPER 70S. NORTHEAST WINDS 5 TO 10 MPH.    
SATURDAY AND SATURDAY NIGHT  
MOSTLY CLOUDY. A CHANCE OF  
SHOWERS. LOWS IN THE MID 60S. HIGHS IN THE UPPER 70S. EAST WINDS  
5 TO 10 MPH.    
SUNDAY AND SUNDAY NIGHT  
MOSTLY CLOUDY WITH SHOWERS LIKELY.  
LOWS IN THE MID 60S. HIGHS IN THE UPPER 70S. SOUTHWEST WINDS 5 TO  
10 MPH.    
MONDAY  
MOSTLY SUNNY. HIGHS AROUND 80. WEST WINDS 5 TO 10 MPH.  
 
 
 
MAZ016-180800-  
EASTERN NORFOLK MA-  
INCLUDING THE CITY OF QUINCY  
407 PM EDT MON AUG 17 2026  
 
TONIGHT TUE TUE NIGHT WED  
 
CLOUD COVER MCLDY MCLDY PCLDY MCLEAR  
PRECIP TYPE SHOWERS NONE SHOWERS NONE  
CHANCE PRECIP (%) 40 20 20  
CHANCE OF THUNDER (%) 0 0 0 0  
TEMP (24H TREND) 66 (0) 80 (+5) 64 87  
RH % (24H TREND) 100 (0) 77 (+27) 100 43  
20FT WND AM(MPH) LGT/VAR LGT/VAR  
20FT WND PM(MPH) LGT/VAR LGT/VAR LGT/VAR LGT/VAR  
PRECIP AMOUNT 0.06 0.00 0.02 0.00  
PRECIP DURATION 1 0  
PRECIP BEGIN 6 PM 6 PM  
PRECIP END 4 AM 8 PM  
MIXING HGT (FT-AGL) 420 2330 430 6390  
TRANSPORT WND (KTS) E 5 N 6 NW 5 W 9  
VENT RATE (KT-FT) 2100 13980 2150 57510  
MAX ADI EARLY 11 POOR 14 GEN POOR 10 POOR 43 GEN GOOD  
MAX ADI LATE 3 VERY POOR 15 GEN POOR 3 VERY POOR 72 GOOD  
MAX LVORI EARLY 10 5 9 1  
MAX LVORI LATE 10 5 9 1  
MIN VSBY EARLY 3 FOG 0 FOG 8 4 FOG  
MIN VSBY LATE 0 FOG 9 4 FOG 9  
SUNSHINE HOURS N/A N/A N/A N/A  
CWR 20 0 0  
 
REMARKS...NONE.  
   
FORECAST FOR DAYS 3 THROUGH 7  
   
WEDNESDAY NIGHT  
MOSTLY CLEAR. LOWS IN THE UPPER 60S. SOUTHWEST  
WINDS AROUND 5 MPH.    
THURSDAY  
MOSTLY SUNNY. HIGHS IN THE MID 80S. WEST WINDS AROUND  
5 MPH.    
THURSDAY NIGHT  
PARTLY CLOUDY. LOWS IN THE MID 60S. SOUTHWEST  
WINDS AROUND 5 MPH, BECOMING NORTHWEST AFTER MIDNIGHT.    
FRIDAY  
MOSTLY SUNNY. HIGHS IN THE UPPER 70S. NORTHEAST WINDS  
AROUND 5 MPH.    
FRIDAY NIGHT  
MOSTLY CLOUDY. LOWS IN THE LOWER 60S. EAST WINDS  
AROUND 5 MPH, BECOMING NORTHEAST AFTER MIDNIGHT.    
SATURDAY AND SATURDAY NIGHT  
MOSTLY CLOUDY. A CHANCE OF  
SHOWERS. LOWS IN THE MID 60S. HIGHS IN THE UPPER 70S. EAST WINDS  
5 TO 10 MPH.    
SUNDAY  
MOSTLY CLOUDY WITH SHOWERS LIKELY. HIGHS IN THE UPPER  
70S. SOUTHEAST WINDS 5 TO 10 MPH.    
SUNDAY NIGHT  
MOSTLY CLOUDY WITH A CHANCE OF SHOWERS. LOWS IN  
THE MID 60S. SOUTHWEST WINDS AROUND 5 MPH.    
MONDAY  
MOSTLY SUNNY. HIGHS IN THE LOWER 80S. WEST WINDS 5 TO  
10 MPH.  
 
 
 
MAZ013-180800-  
WESTERN NORFOLK MA-  
INCLUDING THE CITIES OF FOXBOROUGH AND NORWOOD  
407 PM EDT MON AUG 17 2026  
 
TONIGHT TUE TUE NIGHT WED  
 
CLOUD COVER MCLDY MCLDY PCLDY MCLEAR  
PRECIP TYPE SHOWERS NONE SHOWERS NONE  
CHANCE PRECIP (%) 30 20 20  
CHANCE OF THUNDER (%) 0 0 0 0  
TEMP (24H TREND) 65 (-1) 83 (+8) 63 86  
RH % (24H TREND) 100 (0) 72 (+22) 100 45  
20FT WND AM(MPH) LGT/VAR LGT/VAR  
20FT WND PM(MPH) LGT/VAR LGT/VAR LGT/VAR LGT/VAR  
PRECIP AMOUNT 0.03 0.00 0.01 0.00  
PRECIP DURATION 1 0  
PRECIP BEGIN 6 PM 6 PM  
PRECIP END 9 PM 8 PM  
MIXING HGT (FT-AGL) 420 2860 400 6670  
TRANSPORT WND (KTS) NE 4 N 6 W 5 W 11  
VENT RATE (KT-FT) 1680 17160 2000 73370  
MAX ADI EARLY 12 POOR 18 GEN POOR 12 POOR 58 GEN GOOD  
MAX ADI LATE 3 VERY POOR 20 GEN POOR 3 VERY POOR 99 GOOD  
MAX LVORI EARLY 10 4 10 1  
MAX LVORI LATE 10 4 10 1  
MIN VSBY EARLY 3 FOG 0 FOG 8 4 FOG  
MIN VSBY LATE 0 FOG 9 4 FOG 9  
SUNSHINE HOURS N/A N/A N/A N/A  
CWR 10 0 0  
 
REMARKS...NONE.  
   
FORECAST FOR DAYS 3 THROUGH 7  
   
WEDNESDAY NIGHT  
MOSTLY CLEAR. LOWS IN THE MID 60S. SOUTHWEST  
WINDS AROUND 5 MPH.    
THURSDAY  
MOSTLY SUNNY. HIGHS IN THE MID 80S. WEST WINDS AROUND  
5 MPH.    
THURSDAY NIGHT  
PARTLY CLOUDY. LOWS IN THE LOWER 60S. WEST  
WINDS AROUND 5 MPH, BECOMING NORTHWEST AFTER MIDNIGHT.    
FRIDAY  
MOSTLY SUNNY. HIGHS IN THE LOWER 80S. NORTHEAST WINDS  
AROUND 5 MPH.    
FRIDAY NIGHT  
MOSTLY CLOUDY WITH A CHANCE OF SHOWERS. LOWS IN  
THE LOWER 60S. NORTHEAST WINDS AROUND 5 MPH.    
SATURDAY AND SATURDAY NIGHT  
MOSTLY CLOUDY. A CHANCE OF  
SHOWERS. LOWS IN THE LOWER 60S. HIGHS IN THE UPPER 70S. EAST  
WINDS AROUND 5 MPH.    
SUNDAY  
MOSTLY CLOUDY WITH SHOWERS LIKELY. HIGHS IN THE UPPER  
70S. EAST WINDS AROUND 5 MPH, BECOMING SOUTHEAST AROUND 5 MPH IN  
THE AFTERNOON.    
SUNDAY NIGHT  
MOSTLY CLOUDY WITH A CHANCE OF SHOWERS. LOWS IN  
THE LOWER 60S. SOUTHWEST WINDS AROUND 5 MPH.    
MONDAY  
MOSTLY SUNNY WITH A CHANCE OF SHOWERS. HIGHS IN THE  
LOWER 80S. WEST WINDS AROUND 5 MPH.  
 
 
 
MAZ014-180800-  
SOUTHEAST MIDDLESEX MA-  
INCLUDING THE CITY OF CAMBRIDGE  
407 PM EDT MON AUG 17 2026  
 
TONIGHT TUE TUE NIGHT WED  
 
CLOUD COVER MCLDY MCLDY PCLDY MCLEAR  
PRECIP TYPE SHOWERS SHOWERS SHOWERS NONE  
CHANCE PRECIP (%) 30 20 20  
CHANCE OF THUNDER (%) 0 0 0 0  
TEMP (24H TREND) 66 (-1) 83 (+8) 64 86  
RH % (24H TREND) 100 (+3) 72 (+28) 100 43  
20FT WND AM(MPH) LGT/VAR LGT/VAR  
20FT WND PM(MPH) LGT/VAR LGT/VAR LGT/VAR LGT/VAR  
PRECIP AMOUNT 0.02 0.01 0.00 0.00  
PRECIP DURATION 1 1  
PRECIP BEGIN 6 PM CONTINUING  
PRECIP END CONTINUING 6 PM  
MIXING HGT (FT-AGL) 420 2570 420 6690  
TRANSPORT WND (KTS) E 5 N 5 NW 4 W 11  
VENT RATE (KT-FT) 2100 12850 1680 73590  
MAX ADI EARLY 11 POOR 15 GEN POOR 15 GEN POOR 52 GEN GOOD  
MAX ADI LATE 3 VERY POOR 16 GEN POOR 3 VERY POOR 90 GOOD  
MAX LVORI EARLY 10 4 9 1  
MAX LVORI LATE 10 4 9 1  
MIN VSBY EARLY 3 FOG 0 FOG 8 5 FOG  
MIN VSBY LATE 0 FOG 9 4 FOG 9  
SUNSHINE HOURS N/A N/A N/A N/A  
CWR 20 0  
 
REMARKS...NONE.  
   
FORECAST FOR DAYS 3 THROUGH 7  
   
WEDNESDAY NIGHT  
MOSTLY CLEAR. LOWS IN THE UPPER 60S. SOUTHWEST  
WINDS AROUND 5 MPH.    
THURSDAY  
MOSTLY SUNNY. HIGHS IN THE MID 80S. WEST WINDS AROUND  
5 MPH.    
THURSDAY NIGHT  
PARTLY CLOUDY. LOWS IN THE LOWER 60S. WEST  
WINDS AROUND 5 MPH, BECOMING NORTHWEST AFTER MIDNIGHT.    
FRIDAY AND FRIDAY NIGHT  
PARTLY CLOUDY. LOWS IN THE LOWER 60S.  
HIGHS IN THE LOWER 80S. NORTHEAST WINDS AROUND 5 MPH.    
SATURDAY AND SATURDAY NIGHT  
MOSTLY CLOUDY. A CHANCE OF  
SHOWERS. LOWS IN THE MID 60S. HIGHS IN THE UPPER 70S. EAST WINDS  
AROUND 5 MPH.    
SUNDAY AND SUNDAY NIGHT  
MOSTLY CLOUDY WITH SHOWERS LIKELY.  
LOWS IN THE MID 60S. HIGHS IN THE UPPER 70S. SOUTHWEST WINDS  
AROUND 5 MPH.    
MONDAY  
MOSTLY SUNNY. HIGHS IN THE LOWER 80S. WEST WINDS 5 TO  
10 MPH.  
 
 
 
MAZ007-180800-  
EASTERN ESSEX MA-  
INCLUDING THE CITY OF GLOUCESTER  
407 PM EDT MON AUG 17 2026  
 
TONIGHT TUE TUE NIGHT WED  
 
CLOUD COVER MCLDY MCLDY PCLDY PCLDY  
PRECIP TYPE SHOWERS SHOWERS NONE NONE  
CHANCE PRECIP (%) 20 20 20  
CHANCE OF THUNDER (%) 0 0 0 0  
TEMP (24H TREND) 65 (-2) 77 (+3) 64 85  
RH % (24H TREND) 100 (0) 82 (+30) 100 46  
20FT WND AM(MPH) LGT/VAR LGT/VAR  
20FT WND PM(MPH) LGT/VAR LGT/VAR LGT/VAR LGT/VAR  
PRECIP AMOUNT 0.18 0.08 0.00 0.00  
PRECIP DURATION 1 1  
PRECIP BEGIN 6 PM CONTINUING  
PRECIP END CONTINUING 6 PM  
MIXING HGT (FT-AGL) 410 1890 410 4470  
TRANSPORT WND (KTS) NE 5 NE 7 W 5 SW 9  
VENT RATE (KT-FT) 2050 13230 2050 40230  
MAX ADI EARLY 13 GEN POOR 13 GEN POOR 10 POOR 24 FAIR  
MAX ADI LATE 3 VERY POOR 13 GEN POOR 3 VERY POOR 38 FAIR  
MAX LVORI EARLY 10 6 10 3  
MAX LVORI LATE 10 6 10 3  
MIN VSBY EARLY 2 FOG 0 FOG 7 5 FOG  
MIN VSBY LATE 0 FOG 9 4 FOG 9  
SUNSHINE HOURS N/A N/A N/A N/A  
CWR 20 60 0 0  
 
REMARKS...NONE.  
   
FORECAST FOR DAYS 3 THROUGH 7  
   
WEDNESDAY NIGHT  
MOSTLY CLEAR. LOWS IN THE UPPER 60S. SOUTHWEST  
WINDS 5 TO 10 MPH.    
THURSDAY  
MOSTLY SUNNY. HIGHS IN THE LOWER 80S. NORTHWEST WINDS  
AROUND 5 MPH, BECOMING EAST IN THE AFTERNOON.    
THURSDAY NIGHT  
PARTLY CLOUDY. LOWS IN THE LOWER 60S. SOUTH  
WINDS AROUND 5 MPH, BECOMING NORTHWEST AFTER MIDNIGHT.    
FRIDAY AND FRIDAY NIGHT  
PARTLY CLOUDY. LOWS IN THE LOWER 60S.  
HIGHS IN THE UPPER 70S. NORTHEAST WINDS 5 TO 10 MPH.    
SATURDAY THROUGH SUNDAY NIGHT  
MOSTLY CLOUDY WITH A CHANCE OF  
SHOWERS. LOWS IN THE MID 60S. HIGHS IN THE UPPER 70S. SOUTHWEST  
WINDS 5 TO 10 MPH.    
MONDAY  
MOSTLY SUNNY WITH A CHANCE OF SHOWERS. HIGHS AROUND 80.  
WEST WINDS 5 TO 10 MPH.  
 
 
 
MAZ006-180800-  
WESTERN ESSEX MA-  
INCLUDING THE CITY OF LAWRENCE  
407 PM EDT MON AUG 17 2026  
 
TONIGHT TUE TUE NIGHT WED  
 
CLOUD COVER MCLDY MCLDY PCLDY PCLDY  
PRECIP TYPE SHOWERS SHOWERS SHOWERS NONE  
CHANCE PRECIP (%) 20 20 20  
CHANCE OF THUNDER (%) 0 0 0 0  
TEMP (24H TREND) 64 (-2) 82 (+7) 63 85  
RH % (24H TREND) 100 (0) 74 (+24) 100 45  
20FT WND AM(MPH) LGT/VAR LGT/VAR  
20FT WND PM(MPH) LGT/VAR LGT/VAR LGT/VAR LGT/VAR  
PRECIP AMOUNT 0.08 0.05 0.01 0.00  
PRECIP DURATION 1 1 0  
PRECIP BEGIN 6 PM CONTINUING CONTINUING  
PRECIP END CONTINUING CONTINUING 8 PM  
MIXING HGT (FT-AGL) 420 2680 420 7150  
TRANSPORT WND (KTS) NE 4 N 5 NW 4 W 11  
VENT RATE (KT-FT) 1680 13400 1680 78650  
MAX ADI EARLY 13 GEN POOR 16 GEN POOR 13 GEN POOR 57 GEN GOOD  
MAX ADI LATE 3 VERY POOR 17 GEN POOR 3 VERY POOR 89 GOOD  
MAX LVORI EARLY 10 4 10 1  
MAX LVORI LATE 10 4 10 1  
MIN VSBY EARLY 3 FOG 0 FOG 8 6 FOG  
MIN VSBY LATE 0 FOG 9 5 FOG 9  
SUNSHINE HOURS N/A N/A N/A N/A  
CWR 10 50 0  
 
REMARKS...NONE.  
   
FORECAST FOR DAYS 3 THROUGH 7  
   
WEDNESDAY NIGHT  
MOSTLY CLEAR. LOWS IN THE MID 60S. WEST WINDS  
AROUND 5 MPH.    
THURSDAY  
MOSTLY SUNNY. HIGHS IN THE LOWER 80S. WEST WINDS  
AROUND 5 MPH.    
THURSDAY NIGHT  
PARTLY CLOUDY. LOWS AROUND 60. WEST WINDS  
AROUND 5 MPH, BECOMING NORTHWEST AFTER MIDNIGHT.    
FRIDAY AND FRIDAY NIGHT  
PARTLY CLOUDY. LOWS AROUND 60. HIGHS  
AROUND 80. NORTHEAST WINDS AROUND 5 MPH.    
SATURDAY THROUGH SUNDAY NIGHT  
MOSTLY CLOUDY WITH A CHANCE OF  
SHOWERS. LOWS IN THE LOWER 60S. HIGHS IN THE UPPER 70S. SOUTHWEST  
WINDS AROUND 5 MPH.    
MONDAY  
MOSTLY SUNNY. HIGHS IN THE LOWER 80S. WEST WINDS 5 TO  
10 MPH.  
 
 
 
MAZ005-180800-  
CENTRAL MIDDLESEX MA-  
INCLUDING THE CITIES OF FRAMINGHAM AND LOWELL  
407 PM EDT MON AUG 17 2026  
 
TONIGHT TUE TUE NIGHT WED  
 
CLOUD COVER MCLDY MCLDY PCLDY MCLEAR  
PRECIP TYPE SHOWERS SHOWERS SHOWERS NONE  
CHANCE PRECIP (%) 20 20 20  
CHANCE OF THUNDER (%) 0 0 0 0  
TEMP (24H TREND) 64 (-2) 83 (+8) 63 86  
RH % (24H TREND) 100 (0) 69 (+19) 100 43  
20FT WND AM(MPH) LGT/VAR LGT/VAR  
20FT WND PM(MPH) LGT/VAR LGT/VAR LGT/VAR LGT/VAR  
PRECIP AMOUNT 0.01 0.02 0.01 0.00  
PRECIP DURATION 1 1 0  
PRECIP BEGIN 6 PM CONTINUING CONTINUING  
PRECIP END CONTINUING CONTINUING 8 PM  
MIXING HGT (FT-AGL) 400 3060 400 6940  
TRANSPORT WND (KTS) NE 4 N 5 NW 4 W 12  
VENT RATE (KT-FT) 1600 15300 1600 83280  
MAX ADI EARLY 12 POOR 17 GEN POOR 15 GEN POOR 62 GOOD  
MAX ADI LATE 3 VERY POOR 22 FAIR 3 VERY POOR 104 VERY GOOD  
MAX LVORI EARLY 10 4 9 1  
MAX LVORI LATE 10 4 9 1  
MIN VSBY EARLY 3 FOG 0 FOG 8 5 FOG  
MIN VSBY LATE 1 FOG 9 4 FOG 9  
SUNSHINE HOURS N/A N/A N/A N/A  
CWR 10 10 10 0  
 
REMARKS...NONE.  
   
FORECAST FOR DAYS 3 THROUGH 7  
   
WEDNESDAY NIGHT  
MOSTLY CLEAR. LOWS IN THE MID 60S. SOUTHWEST  
WINDS AROUND 5 MPH.    
THURSDAY  
MOSTLY SUNNY. HIGHS IN THE MID 80S. WEST WINDS AROUND  
5 MPH.    
THURSDAY NIGHT  
PARTLY CLOUDY. LOWS AROUND 60. NORTHWEST WINDS  
AROUND 5 MPH.    
FRIDAY AND FRIDAY NIGHT  
PARTLY CLOUDY. LOWS AROUND 60. HIGHS  
IN THE LOWER 80S. NORTHEAST WINDS AROUND 5 MPH.    
SATURDAY AND SATURDAY NIGHT  
MOSTLY CLOUDY. A CHANCE OF  
SHOWERS. LOWS IN THE LOWER 60S. HIGHS IN THE UPPER 70S. EAST  
WINDS AROUND 5 MPH.    
SUNDAY  
MOSTLY CLOUDY WITH SHOWERS LIKELY. HIGHS IN THE UPPER  
70S. EAST WINDS AROUND 5 MPH.    
SUNDAY NIGHT  
MOSTLY CLOUDY WITH SHOWERS LIKELY. LOWS IN THE  
LOWER 60S. SOUTHWEST WINDS AROUND 5 MPH.    
MONDAY  
MOSTLY SUNNY. HIGHS IN THE LOWER 80S. WEST WINDS AROUND  
5 MPH.  
 
 
 
MAZ012-180800-  
SOUTHERN WORCESTER MA-  
INCLUDING THE CITIES OF MILFORD AND WORCESTER  
407 PM EDT MON AUG 17 2026  
 
TONIGHT TUE TUE NIGHT WED  
 
CLOUD COVER MCLDY PCLDY PCLDY MCLEAR  
PRECIP TYPE SHOWERS SHOWERS SHOWERS NONE  
CHANCE PRECIP (%) 20 20 20  
CHANCE OF THUNDER (%) 0 0 0 0  
TEMP (24H TREND) 64 (-1) 83 (+9) 62 84  
RH % (24H TREND) 100 (0) 69 (+13) 100 48  
20FT WND AM(MPH) LGT/VAR LGT/VAR  
20FT WND PM(MPH) LGT/VAR LGT/VAR LGT/VAR W 5  
PRECIP AMOUNT 0.00 0.00 0.01 0.00  
PRECIP DURATION 0  
PRECIP BEGIN 6 PM  
PRECIP END 8 PM  
MIXING HGT (FT-AGL) 400 3760 390 6360  
TRANSPORT WND (KTS) N 4 NW 6 NW 5 W 11  
VENT RATE (KT-FT) 1600 22560 1950 69960  
MAX ADI EARLY 10 POOR 17 GEN POOR 19 GEN POOR 60 GEN GOOD  
MAX ADI LATE 3 VERY POOR 31 FAIR 3 VERY POOR 93 GOOD  
MAX LVORI EARLY 10 4 9 1  
MAX LVORI LATE 10 4 9 1  
MIN VSBY EARLY 3 FOG 0 FOG 8 3 FOG  
MIN VSBY LATE 0 FOG 8 4 FOG 9  
SUNSHINE HOURS N/A N/A N/A N/A  
CWR 10 0  
 
REMARKS...NONE.  
   
FORECAST FOR DAYS 3 THROUGH 7  
   
WEDNESDAY NIGHT  
MOSTLY CLEAR. LOWS IN THE MID 60S. SOUTHWEST  
WINDS AROUND 5 MPH.    
THURSDAY  
MOSTLY SUNNY WITH A CHANCE OF SHOWERS. HIGHS IN THE  
LOWER 80S. WEST WINDS AROUND 5 MPH.    
THURSDAY NIGHT  
PARTLY CLOUDY. LOWS AROUND 60. NORTHWEST WINDS  
AROUND 5 MPH.    
FRIDAY AND FRIDAY NIGHT  
PARTLY CLOUDY. LOWS AROUND 60. HIGHS  
IN THE LOWER 80S. NORTHEAST WINDS AROUND 5 MPH.    
SATURDAY AND SATURDAY NIGHT  
MOSTLY CLOUDY. A CHANCE OF  
SHOWERS. LOWS IN THE LOWER 60S. HIGHS IN THE UPPER 70S. EAST  
WINDS AROUND 5 MPH.    
SUNDAY  
MOSTLY CLOUDY WITH SHOWERS LIKELY. HIGHS IN THE UPPER  
70S. EAST WINDS AROUND 5 MPH, BECOMING SOUTHEAST AROUND 5 MPH IN  
THE AFTERNOON.    
SUNDAY NIGHT  
MOSTLY CLOUDY WITH SHOWERS LIKELY. LOWS IN THE  
LOWER 60S. SOUTHWEST WINDS AROUND 5 MPH.    
MONDAY  
MOSTLY SUNNY WITH A CHANCE OF SHOWERS. HIGHS IN THE  
UPPER 70S. WEST WINDS 5 TO 10 MPH.  
 
 
 
MAZ004-180800-  
NORTHERN WORCESTER MA-  
INCLUDING THE CITIES OF BARRE AND FITCHBURG  
407 PM EDT MON AUG 17 2026  
 
TONIGHT TUE TUE NIGHT WED  
 
CLOUD COVER PCLDY PCLDY PCLDY MCLEAR  
PRECIP TYPE SHOWERS TSTMS NONE NONE  
CHANCE PRECIP (%) 20 20 20  
CHANCE OF THUNDER (%) 0 0 0 0  
TEMP (24H TREND) 63 (0) 82 (+8) 59 83  
RH % (24H TREND) 100 (0) 64 (+10) 100 46  
20FT WND AM(MPH) LGT/VAR LGT/VAR  
20FT WND PM(MPH) LGT/VAR LGT/VAR LGT/VAR W 5  
PRECIP AMOUNT 0.00 0.01 0.00 0.00  
PRECIP DURATION 1  
PRECIP BEGIN 1 PM  
PRECIP END 6 PM  
MIXING HGT (FT-AGL) 420 3760 410 6080  
TRANSPORT WND (KTS) N 3 NW 7 NW 4 W 11  
VENT RATE (KT-FT) 1260 26320 1640 66880  
MAX ADI EARLY 10 POOR 18 GEN POOR 15 GEN POOR 62 GOOD  
MAX ADI LATE 3 VERY POOR 30 FAIR 3 VERY POOR 86 GOOD  
MAX LVORI EARLY 10 4 9 1  
MAX LVORI LATE 10 4 9 1  
MIN VSBY EARLY 3 FOG 0 FOG 8 4 FOG  
MIN VSBY LATE 1 FOG 9 4 FOG 9  
SUNSHINE HOURS N/A N/A N/A N/A  
CWR 10 10 0 0  
 
REMARKS...NONE.  
   
FORECAST FOR DAYS 3 THROUGH 7  
   
WEDNESDAY NIGHT  
PARTLY CLOUDY. LOWS IN THE LOWER 60S. WEST  
WINDS AROUND 5 MPH.    
THURSDAY  
MOSTLY SUNNY WITH A CHANCE OF SHOWERS. HIGHS AROUND  
80. WEST WINDS AROUND 5 MPH.    
THURSDAY NIGHT  
PARTLY CLOUDY WITH A CHANCE OF SHOWERS. LOWS IN  
THE UPPER 50S. NORTHWEST WINDS AROUND 5 MPH.    
FRIDAY AND FRIDAY NIGHT  
PARTLY CLOUDY. LOWS IN THE UPPER 50S.  
HIGHS IN THE UPPER 70S. NORTHEAST WINDS AROUND 5 MPH.    
SATURDAY AND SATURDAY NIGHT  
MOSTLY CLOUDY. A CHANCE OF  
SHOWERS. LOWS IN THE UPPER 50S. HIGHS IN THE UPPER 70S. EAST  
WINDS AROUND 5 MPH.    
SUNDAY AND SUNDAY NIGHT  
MOSTLY CLOUDY WITH SHOWERS LIKELY.  
LOWS AROUND 60. HIGHS IN THE MID 70S. SOUTHWEST WINDS AROUND  
5 MPH.    
MONDAY  
MOSTLY SUNNY. HIGHS IN THE UPPER 70S. WEST WINDS 5 TO  
10 MPH.  
 
 
 
MAZ026-180800-  
NORTHERN MIDDLESEX MA-  
INCLUDING THE CITY OF AYER  
407 PM EDT MON AUG 17 2026  
 
TONIGHT TUE TUE NIGHT WED  
 
CLOUD COVER PCLDY PCLDY PCLDY MCLEAR  
PRECIP TYPE SHOWERS SHOWERS SHOWERS NONE  
CHANCE PRECIP (%) 20 20 20  
CHANCE OF THUNDER (%) 0 0 0 0  
TEMP (24H TREND) 63 (-2) 83 (+8) 61 85  
RH % (24H TREND) 100 (0) 72 (+16) 100 48  
20FT WND AM(MPH) LGT/VAR LGT/VAR  
20FT WND PM(MPH) LGT/VAR LGT/VAR LGT/VAR LGT/VAR  
PRECIP AMOUNT 0.00 0.04 0.01 0.00  
PRECIP DURATION 1 0  
PRECIP BEGIN 12 PM CONTINUING  
PRECIP END CONTINUING 8 PM  
MIXING HGT (FT-AGL) 430 3250 420 6740  
TRANSPORT WND (KTS) N 3 N 6 N 4 W 11  
VENT RATE (KT-FT) 1290 19500 1680 74140  
MAX ADI EARLY 15 GEN POOR 17 GEN POOR 13 GEN POOR 70 GOOD  
MAX ADI LATE 2 VERY POOR 25 FAIR 3 VERY POOR 93 GOOD  
MAX LVORI EARLY 10 4 9 1  
MAX LVORI LATE 10 4 9 1  
MIN VSBY EARLY 3 FOG 1 FOG 8 5 FOG  
MIN VSBY LATE 1 FOG 9 4 FOG 9  
SUNSHINE HOURS N/A N/A N/A N/A  
CWR 10 20 20 0  
 
REMARKS...NONE.  
   
FORECAST FOR DAYS 3 THROUGH 7  
   
WEDNESDAY NIGHT  
MOSTLY CLEAR. LOWS IN THE LOWER 60S. WEST  
WINDS AROUND 5 MPH.    
THURSDAY AND THURSDAY NIGHT  
PARTLY CLOUDY. A CHANCE OF  
SHOWERS. LOWS 58 TO 63. HIGHS IN THE LOWER 80S. NORTHWEST WINDS  
AROUND 5 MPH.    
FRIDAY  
MOSTLY SUNNY. HIGHS IN THE LOWER 80S. NORTH WINDS  
AROUND 5 MPH, BECOMING EAST IN THE AFTERNOON.    
FRIDAY NIGHT  
PARTLY CLOUDY. LOWS IN THE UPPER 50S. SOUTHEAST  
WINDS AROUND 5 MPH IN THE EVENING, BECOMING LIGHT AND VARIABLE.    
SATURDAY AND SATURDAY NIGHT  
MOSTLY CLOUDY. A CHANCE OF  
SHOWERS. LOWS IN THE UPPER 50S. HIGHS IN THE UPPER 70S. NORTHEAST  
WINDS AROUND 5 MPH.    
SUNDAY AND SUNDAY NIGHT  
MOSTLY CLOUDY WITH SHOWERS LIKELY.  
LOWS IN THE UPPER 50S. HIGHS IN THE UPPER 70S. WEST WINDS AROUND  
5 MPH.    
MONDAY  
MOSTLY SUNNY. HIGHS IN THE UPPER 70S. WEST WINDS AROUND  
5 MPH.  
 
 
 
MAZ002-180800-  
WESTERN FRANKLIN MA-  
INCLUDING THE CITY OF CHARLEMONT  
407 PM EDT MON AUG 17 2026  
 
TONIGHT TUE TUE NIGHT WED  
 
CLOUD COVER PCLDY PCLDY PCLDY MCLEAR  
PRECIP TYPE TSTMS NONE NONE NONE  
CHANCE PRECIP (%) 30 10 10  
CHANCE OF THUNDER (%) 20 0 0 0  
TEMP (24H TREND) 61 (-1) 81 (+7) 55 82  
RH % (24H TREND) 100 (0) 60 (-13) 100 48  
20FT WND AM(MPH) LGT/VAR LGT/VAR  
20FT WND PM(MPH) LGT/VAR LGT/VAR LGT/VAR LGT/VAR  
PRECIP AMOUNT 0.07 0.00 0.00 0.00  
PRECIP DURATION 1  
PRECIP BEGIN 6 PM  
PRECIP END 12 AM  
MIXING HGT (FT-AGL) 440 4760 420 5830  
TRANSPORT WND (KTS) N 4 NW 7 NW 6 W 11  
VENT RATE (KT-FT) 1760 33320 2520 64130  
MAX ADI EARLY 11 POOR 30 FAIR 15 GEN POOR 57 GEN GOOD  
MAX ADI LATE 3 VERY POOR 41 GEN GOOD 3 VERY POOR 81 GOOD  
MAX LVORI EARLY 10 3 8 1  
MAX LVORI LATE 10 3 8 1  
MIN VSBY EARLY 5 FOG 1 FOG 8 6 FOG  
MIN VSBY LATE 1 FOG 9 6 FOG 9  
SUNSHINE HOURS N/A N/A N/A N/A  
CWR 10 0 0 0  
 
REMARKS...NONE.  
   
FORECAST FOR DAYS 3 THROUGH 7  
   
WEDNESDAY NIGHT  
PARTLY CLOUDY. LOWS IN THE UPPER 50S. WEST  
WINDS AROUND 5 MPH.    
THURSDAY AND THURSDAY NIGHT  
PARTLY CLOUDY. A CHANCE OF  
SHOWERS. LOWS IN THE UPPER 50S. HIGHS IN THE UPPER 70S. NORTHWEST  
WINDS AROUND 5 MPH.    
FRIDAY  
SUNNY. HIGHS IN THE UPPER 70S. NORTH WINDS AROUND  
5 MPH, BECOMING EAST IN THE AFTERNOON.    
FRIDAY NIGHT  
PARTLY CLOUDY. LOWS IN THE UPPER 50S. SOUTHWEST  
WINDS AROUND 5 MPH, BECOMING NORTH AFTER MIDNIGHT.    
SATURDAY AND SATURDAY NIGHT  
MOSTLY CLOUDY. A CHANCE OF  
SHOWERS. LOWS IN THE UPPER 50S. HIGHS IN THE MID 70S. SOUTHEAST  
WINDS AROUND 5 MPH.    
SUNDAY AND SUNDAY NIGHT  
MOSTLY CLOUDY WITH SHOWERS LIKELY.  
LOWS IN THE UPPER 50S. HIGHS IN THE MID 70S. WEST WINDS AROUND  
5 MPH.    
MONDAY  
MOSTLY SUNNY WITH A CHANCE OF SHOWERS. HIGHS IN THE MID  
70S. WEST WINDS AROUND 5 MPH.  
 
 
 
MAZ003-180800-  
EASTERN FRANKLIN MA-  
INCLUDING THE CITIES OF GREENFIELD AND ORANGE  
407 PM EDT MON AUG 17 2026  
 
TONIGHT TUE TUE NIGHT WED  
 
CLOUD COVER PCLDY PCLDY PCLDY MCLEAR  
PRECIP TYPE TSTMS NONE NONE NONE  
CHANCE PRECIP (%) 20 10 10  
CHANCE OF THUNDER (%) 20 0 0 0  
TEMP (24H TREND) 64 (0) 83 (+8) 59 85  
RH % (24H TREND) 100 (0) 60 (-4) 100 45  
20FT WND AM(MPH) LGT/VAR LGT/VAR  
20FT WND PM(MPH) LGT/VAR LGT/VAR LGT/VAR LGT/VAR  
PRECIP AMOUNT 0.01 0.00 0.00 0.00  
PRECIP DURATION 1  
PRECIP BEGIN 6 PM  
PRECIP END 12 AM  
MIXING HGT (FT-AGL) 430 4810 400 6100  
TRANSPORT WND (KTS) NE 3 NW 7 NW 5 W 10  
VENT RATE (KT-FT) 1290 33670 2000 61000  
MAX ADI EARLY 15 GEN POOR 27 FAIR 15 GEN POOR 53 GEN GOOD  
MAX ADI LATE 2 VERY POOR 43 GEN GOOD 2 VERY POOR 81 GOOD  
MAX LVORI EARLY 10 3 10 1  
MAX LVORI LATE 10 3 10 1  
MIN VSBY EARLY 4 FOG 1 FOG 9 6 FOG  
MIN VSBY LATE 1 FOG 9 5 FOG 9  
SUNSHINE HOURS N/A N/A N/A N/A  
CWR 10 0 0 0  
 
REMARKS...NONE.  
   
FORECAST FOR DAYS 3 THROUGH 7  
   
WEDNESDAY NIGHT  
PARTLY CLOUDY. LOWS IN THE LOWER 60S. WEST  
WINDS AROUND 5 MPH.    
THURSDAY  
MOSTLY SUNNY WITH A CHANCE OF SHOWERS. HIGHS IN THE  
LOWER 80S. NORTHWEST WINDS AROUND 5 MPH.    
THURSDAY NIGHT  
PARTLY CLOUDY WITH A CHANCE OF SHOWERS. LOWS IN  
THE MID 50S. NORTHWEST WINDS AROUND 5 MPH.    
FRIDAY  
MOSTLY SUNNY. HIGHS IN THE LOWER 80S. NORTH WINDS  
AROUND 5 MPH, BECOMING EAST IN THE AFTERNOON.    
FRIDAY NIGHT  
PARTLY CLOUDY. LOWS IN THE UPPER 50S. SOUTHEAST  
WINDS AROUND 5 MPH, BECOMING NORTH AFTER MIDNIGHT.    
SATURDAY AND SATURDAY NIGHT  
MOSTLY CLOUDY. A CHANCE OF  
SHOWERS. LOWS AROUND 60. HIGHS IN THE UPPER 70S. EAST WINDS  
AROUND 5 MPH.    
SUNDAY AND SUNDAY NIGHT  
MOSTLY CLOUDY WITH SHOWERS LIKELY.  
LOWS AROUND 60. HIGHS IN THE UPPER 70S. WEST WINDS AROUND 5 MPH.    
MONDAY  
MOSTLY SUNNY. HIGHS IN THE UPPER 70S. WEST WINDS 5 TO  
10 MPH.  
 
 
 
MAZ008-180800-  
WESTERN HAMPSHIRE MA-  
INCLUDING THE CITY OF CHESTERFIELD  
407 PM EDT MON AUG 17 2026  
 
TONIGHT TUE TUE NIGHT WED  
 
CLOUD COVER PCLDY PCLDY MCLEAR MCLEAR  
PRECIP TYPE TSTMS NONE NONE NONE  
CHANCE PRECIP (%) 20 10 10  
CHANCE OF THUNDER (%) 20 0 0 0  
TEMP (24H TREND) 62 (0) 81 (+7) 56 82  
RH % (24H TREND) 100 (0) 60 (-13) 100 48  
20FT WND AM(MPH) LGT/VAR LGT/VAR  
20FT WND PM(MPH) LGT/VAR LGT/VAR LGT/VAR LGT/VAR  
PRECIP AMOUNT 0.03 0.00 0.00 0.00  
PRECIP DURATION 1  
PRECIP BEGIN 6 PM  
PRECIP END 11 PM  
MIXING HGT (FT-AGL) 430 4870 430 5850  
TRANSPORT WND (KTS) S 3 NW 8 NW 6 W 11  
VENT RATE (KT-FT) 1290 38960 2580 64350  
MAX ADI EARLY 9 POOR 33 FAIR 20 GEN POOR 62 GOOD  
MAX ADI LATE 4 VERY POOR 49 GEN GOOD 4 VERY POOR 84 GOOD  
MAX LVORI EARLY 10 3 8 1  
MAX LVORI LATE 10 3 8 1  
MIN VSBY EARLY 5 FOG 1 FOG 9 7  
MIN VSBY LATE 1 FOG 9 7 9  
SUNSHINE HOURS N/A N/A N/A N/A  
CWR 10 0 0 0  
 
REMARKS...NONE.  
   
FORECAST FOR DAYS 3 THROUGH 7  
   
WEDNESDAY NIGHT  
PARTLY CLOUDY. LOWS AROUND 60. WEST WINDS  
AROUND 5 MPH.    
THURSDAY AND THURSDAY NIGHT  
PARTLY CLOUDY. A CHANCE OF  
SHOWERS. LOWS 55 TO 60. HIGHS IN THE UPPER 70S. NORTHWEST WINDS  
AROUND 5 MPH.    
FRIDAY  
MOSTLY SUNNY. HIGHS IN THE UPPER 70S. NORTH WINDS  
AROUND 5 MPH, BECOMING EAST IN THE AFTERNOON.    
FRIDAY NIGHT  
PARTLY CLOUDY. LOWS IN THE UPPER 50S. SOUTHWEST  
WINDS AROUND 5 MPH IN THE EVENING, BECOMING LIGHT AND VARIABLE.    
SATURDAY AND SATURDAY NIGHT  
MOSTLY CLOUDY. A CHANCE OF  
SHOWERS. LOWS IN THE UPPER 50S. HIGHS IN THE MID 70S. EAST WINDS  
AROUND 5 MPH.    
SUNDAY AND SUNDAY NIGHT  
MOSTLY CLOUDY WITH SHOWERS LIKELY.  
LOWS IN THE UPPER 50S. HIGHS IN THE MID 70S. WEST WINDS AROUND  
5 MPH.    
MONDAY  
MOSTLY SUNNY WITH A CHANCE OF SHOWERS. HIGHS IN THE MID  
70S. WEST WINDS AROUND 5 MPH.  
 
 
 
MAZ010-180800-  
EASTERN HAMPSHIRE MA-  
INCLUDING THE CITIES OF AMHERST AND NORTHAMPTON  
407 PM EDT MON AUG 17 2026  
 
TONIGHT TUE TUE NIGHT WED  
 
CLOUD COVER PCLDY PCLDY PCLDY MCLEAR  
PRECIP TYPE NONE NONE NONE NONE  
CHANCE PRECIP (%) 20 10 10  
CHANCE OF THUNDER (%) 0 0 0 0  
TEMP (24H TREND) 64 (-1) 85 (+9) 60 86  
RH % (24H TREND) 100 (0) 59 (+3) 100 45  
20FT WND AM(MPH) LGT/VAR LGT/VAR  
20FT WND PM(MPH) LGT/VAR LGT/VAR LGT/VAR W 5  
PRECIP AMOUNT 0.00 0.00 0.00 0.00  
PRECIP DURATION  
PRECIP BEGIN  
PRECIP END  
MIXING HGT (FT-AGL) 430 4840 400 6170  
TRANSPORT WND (KTS) SE 3 NW 6 NW 3 W 10  
VENT RATE (KT-FT) 1290 29040 1200 61700  
MAX ADI EARLY 10 POOR 26 FAIR 16 GEN POOR 43 GEN GOOD  
MAX ADI LATE 2 VERY POOR 41 GEN GOOD 2 VERY POOR 78 GOOD  
MAX LVORI EARLY 10 3 9 1  
MAX LVORI LATE 10 3 9 1  
MIN VSBY EARLY 4 FOG 1 FOG 9 6 FOG  
MIN VSBY LATE 1 FOG 9 7 9  
SUNSHINE HOURS N/A N/A N/A N/A  
CWR 0 0 0 0  
 
REMARKS...NONE.  
   
FORECAST FOR DAYS 3 THROUGH 7  
   
WEDNESDAY NIGHT  
PARTLY CLOUDY. LOWS IN THE LOWER 60S. WEST  
WINDS AROUND 5 MPH.    
THURSDAY  
MOSTLY SUNNY WITH A CHANCE OF SHOWERS. HIGHS IN THE  
LOWER 80S. NORTHWEST WINDS AROUND 5 MPH.    
THURSDAY NIGHT  
PARTLY CLOUDY WITH A CHANCE OF SHOWERS. LOWS IN  
THE UPPER 50S. NORTHWEST WINDS AROUND 5 MPH.    
FRIDAY  
MOSTLY SUNNY. HIGHS IN THE LOWER 80S. NORTH WINDS  
AROUND 5 MPH, BECOMING EAST IN THE AFTERNOON.    
FRIDAY NIGHT  
PARTLY CLOUDY. LOWS IN THE UPPER 50S. SOUTHEAST  
WINDS AROUND 5 MPH, BECOMING NORTHEAST AFTER MIDNIGHT.    
SATURDAY AND SATURDAY NIGHT  
MOSTLY CLOUDY. A CHANCE OF  
SHOWERS. LOWS AROUND 60. HIGHS AROUND 80. EAST WINDS AROUND  
5 MPH.    
SUNDAY AND SUNDAY NIGHT  
MOSTLY CLOUDY WITH SHOWERS LIKELY.  
LOWS IN THE LOWER 60S. HIGHS IN THE UPPER 70S. WEST WINDS AROUND  
5 MPH.    
MONDAY  
MOSTLY SUNNY. HIGHS IN THE UPPER 70S. WEST WINDS 5 TO  
10 MPH.  
 
 
 
MAZ009-180800-  
WESTERN HAMPDEN MA-  
INCLUDING THE CITY OF BLANDFORD  
407 PM EDT MON AUG 17 2026  
 
TONIGHT TUE TUE NIGHT WED  
 
CLOUD COVER PCLDY PCLDY MCLEAR MCLEAR  
PRECIP TYPE NONE NONE NONE NONE  
CHANCE PRECIP (%) 20 10 10  
CHANCE OF THUNDER (%) 0 0 0 0  
TEMP (24H TREND) 63 (0) 81 (+6) 56 82  
RH % (24H TREND) 100 (0) 60 (-8) 100 49  
20FT WND AM(MPH) LGT/VAR LGT/VAR  
20FT WND PM(MPH) LGT/VAR LGT/VAR LGT/VAR LGT/VAR  
PRECIP AMOUNT 0.00 0.00 0.00 0.00  
PRECIP DURATION  
PRECIP BEGIN  
PRECIP END  
MIXING HGT (FT-AGL) 430 4810 410 5650  
TRANSPORT WND (KTS) NW 4 NW 8 NW 6 W 11  
VENT RATE (KT-FT) 1720 38480 2460 62150  
MAX ADI EARLY 8 POOR 33 FAIR 27 FAIR 57 GEN GOOD  
MAX ADI LATE 3 VERY POOR 48 GEN GOOD 4 VERY POOR 83 GOOD  
MAX LVORI EARLY 10 3 7 1  
MAX LVORI LATE 10 3 7 1  
MIN VSBY EARLY 4 FOG 1 FOG 9 8  
MIN VSBY LATE 1 FOG 9 8 9  
SUNSHINE HOURS N/A N/A N/A N/A  
CWR 0 0 0 0  
 
REMARKS...NONE.  
   
FORECAST FOR DAYS 3 THROUGH 7  
   
WEDNESDAY NIGHT  
PARTLY CLOUDY. LOWS IN THE LOWER 60S. WEST  
WINDS AROUND 5 MPH.    
THURSDAY AND THURSDAY NIGHT  
PARTLY CLOUDY. A CHANCE OF  
SHOWERS. LOWS IN THE UPPER 50S. HIGHS IN THE UPPER 70S. NORTHWEST  
WINDS AROUND 5 MPH.    
FRIDAY  
MOSTLY SUNNY. HIGHS IN THE UPPER 70S. NORTH WINDS  
AROUND 5 MPH, BECOMING EAST IN THE AFTERNOON.    
FRIDAY NIGHT  
PARTLY CLOUDY. LOWS IN THE UPPER 50S. NORTH WINDS  
AROUND 5 MPH.    
SATURDAY AND SATURDAY NIGHT  
MOSTLY CLOUDY. A CHANCE OF  
SHOWERS. LOWS IN THE UPPER 50S. HIGHS IN THE UPPER 70S. EAST  
WINDS AROUND 5 MPH.    
SUNDAY AND SUNDAY NIGHT  
MOSTLY CLOUDY WITH SHOWERS LIKELY.  
LOWS IN THE UPPER 50S. HIGHS IN THE MID 70S. WEST WINDS AROUND  
5 MPH.    
MONDAY  
MOSTLY SUNNY. HIGHS IN THE MID 70S. WEST WINDS AROUND  
5 MPH.  
 
 
 
MAZ011-180800-  
EASTERN HAMPDEN MA-  
INCLUDING THE CITY OF SPRINGFIELD  
407 PM EDT MON AUG 17 2026  
 
TONIGHT TUE TUE NIGHT WED  
 
CLOUD COVER PCLDY PCLDY PCLDY MCLEAR  
PRECIP TYPE NONE NONE NONE NONE  
CHANCE PRECIP (%) 10 10 10  
CHANCE OF THUNDER (%) 0 0 0 0  
TEMP (24H TREND) 64 (-1) 85 (+9) 60 86  
RH % (24H TREND) 100 (0) 57 (+1) 100 43  
20FT WND AM(MPH) LGT/VAR LGT/VAR  
20FT WND PM(MPH) LGT/VAR LGT/VAR LGT/VAR W 5  
PRECIP AMOUNT 0.00 0.00 0.00 0.00  
PRECIP DURATION  
PRECIP BEGIN  
PRECIP END  
MIXING HGT (FT-AGL) 420 5020 390 6250  
TRANSPORT WND (KTS) NE 3 NW 7 NW 3 W 11  
VENT RATE (KT-FT) 1260 35140 1170 68750  
MAX ADI EARLY 9 POOR 25 FAIR 16 GEN POOR 41 GEN GOOD  
MAX ADI LATE 2 VERY POOR 42 GEN GOOD 3 VERY POOR 82 GOOD  
MAX LVORI EARLY 10 3 10 1  
MAX LVORI LATE 10 3 10 1  
MIN VSBY EARLY 3 FOG 0 FOG 9 3 FOG  
MIN VSBY LATE 1 FOG 9 6 FOG 9  
SUNSHINE HOURS N/A N/A N/A N/A  
CWR 0 0 0 0  
 
REMARKS...NONE.  
   
FORECAST FOR DAYS 3 THROUGH 7  
   
WEDNESDAY NIGHT  
PARTLY CLOUDY. LOWS IN THE LOWER 60S. WEST  
WINDS AROUND 5 MPH.    
THURSDAY  
MOSTLY SUNNY WITH A CHANCE OF SHOWERS. HIGHS IN THE  
LOWER 80S. NORTHWEST WINDS AROUND 5 MPH.    
THURSDAY NIGHT  
PARTLY CLOUDY WITH A CHANCE OF SHOWERS. LOWS IN  
THE UPPER 50S. NORTHWEST WINDS AROUND 5 MPH.    
FRIDAY AND FRIDAY NIGHT  
PARTLY CLOUDY. LOWS IN THE UPPER 50S.  
HIGHS IN THE LOWER 80S. NORTHEAST WINDS AROUND 5 MPH.    
SATURDAY AND SATURDAY NIGHT  
MOSTLY CLOUDY. A CHANCE OF  
SHOWERS. LOWS AROUND 60. HIGHS IN THE UPPER 70S. EAST WINDS  
AROUND 5 MPH.    
SUNDAY AND SUNDAY NIGHT  
MOSTLY CLOUDY WITH SHOWERS LIKELY.  
LOWS IN THE LOWER 60S. HIGHS IN THE UPPER 70S. WEST WINDS AROUND  
5 MPH.    
MONDAY  
MOSTLY SUNNY WITH A CHANCE OF SHOWERS. HIGHS IN THE  
UPPER 70S. WEST WINDS 5 TO 10 MPH.  
 
 
 
CTZ002-180800-  
HARTFORD CT-  
INCLUDING THE CITIES OF HARTFORD AND WINDSOR LOCKS  
407 PM EDT MON AUG 17 2026  
 
TONIGHT TUE TUE NIGHT WED  
 
CLOUD COVER PCLDY PCLDY MCLEAR MCLEAR  
PRECIP TYPE NONE NONE NONE NONE  
CHANCE PRECIP (%) 10 10 10  
CHANCE OF THUNDER (%) 0 0 0 0  
TEMP (24H TREND) 65 (0) 85 (+8) 60 86  
RH % (24H TREND) 100 (0) 57 (+1) 100 43  
20FT WND AM(MPH) LGT/VAR LGT/VAR  
20FT WND PM(MPH) LGT/VAR LGT/VAR LGT/VAR LGT/VAR  
PRECIP AMOUNT 0.00 0.00 0.00 0.00  
PRECIP DURATION  
PRECIP BEGIN  
PRECIP END  
MIXING HGT (FT-AGL) 410 4980 370 6180  
TRANSPORT WND (KTS) N 4 NW 6 NW 4 W 10  
VENT RATE (KT-FT) 1640 29880 1480 61800  
MAX ADI EARLY 11 POOR 28 FAIR 20 GEN POOR 42 GEN GOOD  
MAX ADI LATE 2 VERY POOR 45 GEN GOOD 3 VERY POOR 84 GOOD  
MAX LVORI EARLY 10 3 8 1  
MAX LVORI LATE 10 3 8 1  
MIN VSBY EARLY 4 FOG 2 FOG 8 8  
MIN VSBY LATE 2 FOG 8 8 9  
SUNSHINE HOURS N/A N/A N/A N/A  
CWR 0 0 0 0  
 
REMARKS...NONE.  
   
FORECAST FOR DAYS 3 THROUGH 7  
   
WEDNESDAY NIGHT  
PARTLY CLOUDY. LOWS IN THE MID 60S. WEST WINDS  
AROUND 5 MPH.    
THURSDAY  
MOSTLY SUNNY WITH A CHANCE OF SHOWERS. HIGHS IN THE  
LOWER 80S. NORTHWEST WINDS AROUND 5 MPH.    
THURSDAY NIGHT  
PARTLY CLOUDY WITH A CHANCE OF SHOWERS. LOWS IN  
THE UPPER 50S. NORTHWEST WINDS AROUND 5 MPH.    
FRIDAY AND FRIDAY NIGHT  
PARTLY CLOUDY. LOWS AROUND 60. HIGHS  
IN THE LOWER 80S. NORTH WINDS AROUND 5 MPH.    
SATURDAY AND SATURDAY NIGHT  
MOSTLY CLOUDY. A CHANCE OF  
SHOWERS. LOWS IN THE LOWER 60S. HIGHS IN THE UPPER 70S. EAST  
WINDS AROUND 5 MPH.    
SUNDAY AND SUNDAY NIGHT  
MOSTLY CLOUDY WITH SHOWERS LIKELY.  
LOWS IN THE LOWER 60S. HIGHS IN THE UPPER 70S. WEST WINDS AROUND  
5 MPH.    
MONDAY  
MOSTLY SUNNY. HIGHS AROUND 80. WEST WINDS 5 TO 10 MPH.  
 
 
 
CTZ003-180800-  
TOLLAND CT-  
INCLUDING THE CITIES OF UNION AND VERNON  
407 PM EDT MON AUG 17 2026  
 
TONIGHT TUE TUE NIGHT WED  
 
CLOUD COVER PCLDY PCLDY PCLDY MCLEAR  
PRECIP TYPE NONE NONE NONE NONE  
CHANCE PRECIP (%) 10 10 10  
CHANCE OF THUNDER (%) 0 0 0 0  
TEMP (24H TREND) 64 (0) 83 (+8) 60 84  
RH % (24H TREND) 100 (0) 61 (-1) 100 46  
20FT WND AM(MPH) LGT/VAR LGT/VAR  
20FT WND PM(MPH) LGT/VAR LGT/VAR LGT/VAR W 5  
PRECIP AMOUNT 0.00 0.00 0.00 0.00  
PRECIP DURATION  
PRECIP BEGIN  
PRECIP END  
MIXING HGT (FT-AGL) 410 4490 390 6010  
TRANSPORT WND (KTS) N 4 NW 7 NW 4 W 11  
VENT RATE (KT-FT) 1640 31430 1560 66110  
MAX ADI EARLY 10 POOR 19 GEN POOR 18 GEN POOR 45 GEN GOOD  
MAX ADI LATE 2 VERY POOR 40 FAIR 3 VERY POOR 84 GOOD  
MAX LVORI EARLY 10 4 9 1  
MAX LVORI LATE 10 4 9 1  
MIN VSBY EARLY 3 FOG 0 FOG 8 3 FOG  
MIN VSBY LATE 0 FOG 9 5 FOG 9  
SUNSHINE HOURS N/A N/A N/A N/A  
CWR 0 0 0 0  
 
REMARKS...NONE.  
   
FORECAST FOR DAYS 3 THROUGH 7  
   
WEDNESDAY NIGHT  
PARTLY CLOUDY. LOWS IN THE MID 60S. SOUTHWEST  
WINDS AROUND 5 MPH.    
THURSDAY  
MOSTLY SUNNY WITH A CHANCE OF SHOWERS. HIGHS IN THE  
LOWER 80S. WEST WINDS AROUND 5 MPH.    
THURSDAY NIGHT  
PARTLY CLOUDY WITH A CHANCE OF SHOWERS. LOWS IN  
THE UPPER 50S. WEST WINDS AROUND 5 MPH, BECOMING NORTH AFTER  
MIDNIGHT.    
FRIDAY AND FRIDAY NIGHT  
PARTLY CLOUDY. LOWS AROUND 60. HIGHS  
IN THE LOWER 80S. NORTHEAST WINDS AROUND 5 MPH.    
SATURDAY AND SATURDAY NIGHT  
MOSTLY CLOUDY. A CHANCE OF  
SHOWERS. LOWS IN THE LOWER 60S. HIGHS IN THE UPPER 70S. EAST  
WINDS AROUND 5 MPH.    
SUNDAY AND SUNDAY NIGHT  
MOSTLY CLOUDY WITH SHOWERS LIKELY.  
LOWS IN THE LOWER 60S. HIGHS IN THE UPPER 70S. SOUTHWEST WINDS  
AROUND 5 MPH.    
MONDAY  
MOSTLY SUNNY. HIGHS IN THE UPPER 70S. WEST WINDS 5 TO  
10 MPH.  
 
 
 
CTZ004-180800-  
WINDHAM CT-  
INCLUDING THE CITIES OF PUTNAM AND WILLIMANTIC  
407 PM EDT MON AUG 17 2026  
 
TONIGHT TUE TUE NIGHT WED  
 
CLOUD COVER PCLDY PCLDY PCLDY MCLEAR  
PRECIP TYPE NONE NONE NONE NONE  
CHANCE PRECIP (%) 20 10 10  
CHANCE OF THUNDER (%) 0 0 0 0  
TEMP (24H TREND) 65 (0) 84 (+10) 61 84  
RH % (24H TREND) 100 (0) 65 (+3) 100 50  
20FT WND AM(MPH) LGT/VAR LGT/VAR  
20FT WND PM(MPH) LGT/VAR LGT/VAR LGT/VAR W 5  
PRECIP AMOUNT 0.00 0.00 0.00 0.00  
PRECIP DURATION  
PRECIP BEGIN  
PRECIP END  
MIXING HGT (FT-AGL) 380 4060 380 6040  
TRANSPORT WND (KTS) N 4 NW 7 NW 5 W 11  
VENT RATE (KT-FT) 1520 28420 1900 66440  
MAX ADI EARLY 11 POOR 19 GEN POOR 17 GEN POOR 48 GEN GOOD  
MAX ADI LATE 3 VERY POOR 36 FAIR 3 VERY POOR 86 GOOD  
MAX LVORI EARLY 10 4 9 1  
MAX LVORI LATE 10 4 9 1  
MIN VSBY EARLY 3 FOG 0 FOG 8 2 FOG  
MIN VSBY LATE 0 FOG 9 4 FOG 9  
SUNSHINE HOURS N/A N/A N/A N/A  
CWR 0 0 0 0  
 
REMARKS...NONE.  
   
FORECAST FOR DAYS 3 THROUGH 7  
   
WEDNESDAY NIGHT  
MOSTLY CLEAR. LOWS IN THE MID 60S. SOUTHWEST  
WINDS AROUND 5 MPH.    
THURSDAY  
MOSTLY SUNNY WITH A CHANCE OF SHOWERS. HIGHS IN THE  
LOWER 80S. WEST WINDS AROUND 5 MPH.    
THURSDAY NIGHT  
MOSTLY CLOUDY WITH A CHANCE OF SHOWERS. LOWS  
AROUND 60. WEST WINDS AROUND 5 MPH, BECOMING NORTH AFTER  
MIDNIGHT.    
FRIDAY  
MOSTLY SUNNY. HIGHS IN THE LOWER 80S. NORTHEAST WINDS  
AROUND 5 MPH.    
FRIDAY NIGHT  
PARTLY CLOUDY WITH A CHANCE OF SHOWERS. LOWS  
AROUND 60. NORTHEAST WINDS AROUND 5 MPH.    
SATURDAY AND SATURDAY NIGHT  
MOSTLY CLOUDY. A CHANCE OF  
SHOWERS. LOWS IN THE LOWER 60S. HIGHS IN THE UPPER 70S. EAST  
WINDS AROUND 5 MPH.    
SUNDAY  
MOSTLY CLOUDY WITH SHOWERS LIKELY. HIGHS IN THE UPPER  
70S. EAST WINDS AROUND 5 MPH, BECOMING SOUTHEAST AROUND 5 MPH IN  
THE AFTERNOON.    
SUNDAY NIGHT  
MOSTLY CLOUDY WITH SHOWERS LIKELY. LOWS IN THE  
LOWER 60S. SOUTHWEST WINDS AROUND 5 MPH.    
MONDAY  
MOSTLY SUNNY WITH A CHANCE OF SHOWERS. HIGHS AROUND 80.  
WEST WINDS 5 TO 10 MPH.  
 
 
 
RIZ001-180800-  
NORTHWEST PROVIDENCE RI-  
INCLUDING THE CITIES OF FOSTER AND SMITHFIELD  
407 PM EDT MON AUG 17 2026  
 
TONIGHT TUE TUE NIGHT WED  
 
CLOUD COVER MCLDY MCLDY PCLDY MCLEAR  
PRECIP TYPE SHOWERS NONE NONE NONE  
CHANCE PRECIP (%) 20 10 20  
CHANCE OF THUNDER (%) 0 0 0 0  
TEMP (24H TREND) 65 (+1) 83 (+9) 62 84  
RH % (24H TREND) 100 (0) 72 (+16) 100 50  
20FT WND AM(MPH) LGT/VAR LGT/VAR  
20FT WND PM(MPH) LGT/VAR LGT/VAR LGT/VAR LGT/VAR  
PRECIP AMOUNT 0.02 0.00 0.00 0.00  
PRECIP DURATION 0  
PRECIP BEGIN 6 PM  
PRECIP END 8 PM  
MIXING HGT (FT-AGL) 400 3340 410 6340  
TRANSPORT WND (KTS) N 5 NW 6 N 6 W 11  
VENT RATE (KT-FT) 2000 20040 2460 69740  
MAX ADI EARLY 11 POOR 21 FAIR 16 GEN POOR 56 GEN GOOD  
MAX ADI LATE 3 VERY POOR 29 FAIR 3 VERY POOR 91 GOOD  
MAX LVORI EARLY 10 4 9 1  
MAX LVORI LATE 10 4 9 1  
MIN VSBY EARLY 3 FOG 0 FOG 8 4 FOG  
MIN VSBY LATE 0 FOG 9 4 FOG 9  
SUNSHINE HOURS N/A N/A N/A N/A  
CWR 20 0 0 0  
 
REMARKS...NONE.  
   
FORECAST FOR DAYS 3 THROUGH 7  
   
WEDNESDAY NIGHT  
MOSTLY CLEAR. LOWS IN THE MID 60S. SOUTHWEST  
WINDS AROUND 5 MPH.    
THURSDAY  
MOSTLY SUNNY WITH A CHANCE OF SHOWERS. HIGHS IN THE  
LOWER 80S. WEST WINDS AROUND 5 MPH.    
THURSDAY NIGHT  
MOSTLY CLOUDY WITH A CHANCE OF SHOWERS. LOWS IN  
THE LOWER 60S. WEST WINDS AROUND 5 MPH, BECOMING NORTHWEST AFTER  
MIDNIGHT.    
FRIDAY  
MOSTLY SUNNY. HIGHS AROUND 80. NORTHEAST WINDS AROUND  
5 MPH.    
FRIDAY NIGHT  
MOSTLY CLOUDY WITH A CHANCE OF SHOWERS. LOWS IN  
THE LOWER 60S. NORTHEAST WINDS AROUND 5 MPH.    
SATURDAY AND SATURDAY NIGHT  
MOSTLY CLOUDY. A CHANCE OF  
SHOWERS. LOWS IN THE LOWER 60S. HIGHS IN THE UPPER 70S. NORTHEAST  
WINDS AROUND 5 MPH.    
SUNDAY  
MOSTLY CLOUDY WITH SHOWERS LIKELY. HIGHS IN THE UPPER  
70S. EAST WINDS AROUND 5 MPH, BECOMING SOUTH AROUND 5 MPH IN THE  
AFTERNOON.    
SUNDAY NIGHT  
MOSTLY CLOUDY WITH A CHANCE OF SHOWERS. LOWS IN  
THE LOWER 60S. SOUTHWEST WINDS AROUND 5 MPH.    
MONDAY  
MOSTLY SUNNY WITH A CHANCE OF SHOWERS. HIGHS IN THE  
UPPER 70S. WEST WINDS AROUND 5 MPH.  
 
 
 
RIZ002-180800-  
SOUTHEAST PROVIDENCE RI-  
INCLUDING THE CITY OF PROVIDENCE  
407 PM EDT MON AUG 17 2026  
 
TONIGHT TUE TUE NIGHT WED  
 
CLOUD COVER MCLDY MCLDY PCLDY MCLEAR  
PRECIP TYPE SHOWERS NONE SHOWERS NONE  
CHANCE PRECIP (%) 30 10 20  
CHANCE OF THUNDER (%) 0 0 0 0  
TEMP (24H TREND) 66 (0) 83 (+8) 64 85  
RH % (24H TREND) 100 (0) 72 (+16) 100 51  
20FT WND AM(MPH) LGT/VAR LGT/VAR  
20FT WND PM(MPH) LGT/VAR LGT/VAR LGT/VAR SW 5  
PRECIP AMOUNT 0.02 0.00 0.01 0.00  
PRECIP DURATION 1 0  
PRECIP BEGIN 6 PM 6 PM  
PRECIP END 9 PM 8 PM  
MIXING HGT (FT-AGL) 440 3020 440 6280  
TRANSPORT WND (KTS) N 6 NW 6 N 6 W 11  
VENT RATE (KT-FT) 2640 18120 2640 69080  
MAX ADI EARLY 13 GEN POOR 22 FAIR 14 GEN POOR 50 GEN GOOD  
MAX ADI LATE 4 VERY POOR 23 FAIR 3 VERY POOR 88 GOOD  
MAX LVORI EARLY 10 4 8 1  
MAX LVORI LATE 10 4 8 1  
MIN VSBY EARLY 2 FOG 1 FOG 8 4 FOG  
MIN VSBY LATE 1 FOG 9 4 FOG 9  
SUNSHINE HOURS N/A N/A N/A N/A  
CWR 20 0 10 0  
 
REMARKS...NONE.  
   
FORECAST FOR DAYS 3 THROUGH 7  
   
WEDNESDAY NIGHT  
MOSTLY CLEAR. LOWS IN THE UPPER 60S. SOUTHWEST  
WINDS AROUND 5 MPH.    
THURSDAY  
MOSTLY SUNNY WITH A CHANCE OF SHOWERS. HIGHS IN THE  
LOWER 80S. WEST WINDS AROUND 5 MPH.    
THURSDAY NIGHT  
MOSTLY CLOUDY WITH A CHANCE OF SHOWERS. LOWS IN  
THE LOWER 60S. WEST WINDS AROUND 5 MPH, BECOMING NORTHWEST AFTER  
MIDNIGHT.    
FRIDAY AND FRIDAY NIGHT  
MOSTLY CLOUDY. A CHANCE OF SHOWERS.  
LOWS IN THE LOWER 60S. HIGHS IN THE LOWER 80S. NORTHEAST WINDS  
AROUND 5 MPH.    
SATURDAY AND SATURDAY NIGHT  
MOSTLY CLOUDY. A CHANCE OF  
SHOWERS. LOWS IN THE LOWER 60S. HIGHS IN THE UPPER 70S. NORTHEAST  
WINDS AROUND 5 MPH.    
SUNDAY  
MOSTLY CLOUDY WITH SHOWERS LIKELY. HIGHS IN THE UPPER  
70S. EAST WINDS AROUND 5 MPH, BECOMING SOUTH AROUND 5 MPH IN THE  
AFTERNOON.    
SUNDAY NIGHT  
MOSTLY CLOUDY WITH A CHANCE OF SHOWERS. LOWS IN  
THE MID 60S. SOUTHWEST WINDS AROUND 5 MPH.    
MONDAY  
MOSTLY SUNNY WITH A CHANCE OF SHOWERS. HIGHS AROUND 80.  
WEST WINDS 5 TO 10 MPH.  
 
 
 
RIZ003-180800-  
WESTERN KENT RI-  
INCLUDING THE CITIES OF COVENTRY AND WEST GREENWICH  
407 PM EDT MON AUG 17 2026  
 
TONIGHT TUE TUE NIGHT WED  
 
CLOUD COVER MCLDY PCLDY PCLDY MCLEAR  
PRECIP TYPE SHOWERS NONE NONE NONE  
CHANCE PRECIP (%) 20 10 10  
CHANCE OF THUNDER (%) 0 0 0 0  
TEMP (24H TREND) 66 (+1) 82 (+9) 63 83  
RH % (24H TREND) 100 (0) 74 (+10) 100 53  
20FT WND AM(MPH) LGT/VAR LGT/VAR  
20FT WND PM(MPH) LGT/VAR LGT/VAR LGT/VAR SW 5  
PRECIP AMOUNT 0.02 0.00 0.00 0.00  
PRECIP DURATION 0  
PRECIP BEGIN 6 PM  
PRECIP END 8 PM  
MIXING HGT (FT-AGL) 420 3170 400 5780  
TRANSPORT WND (KTS) N 5 W 7 NW 6 W 11  
VENT RATE (KT-FT) 2100 22190 2400 63580  
MAX ADI EARLY 12 POOR 22 FAIR 13 GEN POOR 52 GEN GOOD  
MAX ADI LATE 4 VERY POOR 26 FAIR 4 VERY POOR 81 GOOD  
MAX LVORI EARLY 10 4 9 1  
MAX LVORI LATE 10 4 9 1  
MIN VSBY EARLY 2 FOG 0 FOG 8 4 FOG  
MIN VSBY LATE 1 FOG 9 4 FOG 9  
SUNSHINE HOURS N/A N/A N/A N/A  
CWR 20 0 0 0  
 
REMARKS...NONE.  
   
FORECAST FOR DAYS 3 THROUGH 7  
   
WEDNESDAY NIGHT  
MOSTLY CLEAR. LOWS IN THE MID 60S. SOUTHWEST  
WINDS AROUND 5 MPH.    
THURSDAY  
MOSTLY SUNNY WITH A CHANCE OF SHOWERS. HIGHS IN THE  
LOWER 80S. WEST WINDS AROUND 5 MPH.    
THURSDAY NIGHT  
MOSTLY CLOUDY WITH A CHANCE OF SHOWERS. LOWS IN  
THE LOWER 60S. WEST WINDS AROUND 5 MPH, BECOMING NORTHWEST AFTER  
MIDNIGHT.    
FRIDAY AND FRIDAY NIGHT  
MOSTLY CLOUDY. A CHANCE OF SHOWERS.  
LOWS IN THE LOWER 60S. HIGHS IN THE UPPER 70S. NORTHEAST WINDS  
AROUND 5 MPH.    
SATURDAY AND SATURDAY NIGHT  
MOSTLY CLOUDY. A CHANCE OF  
SHOWERS. LOWS IN THE LOWER 60S. HIGHS IN THE MID 70S. NORTHEAST  
WINDS AROUND 5 MPH.    
SUNDAY  
MOSTLY CLOUDY WITH SHOWERS LIKELY. HIGHS IN THE UPPER  
70S. EAST WINDS AROUND 5 MPH, BECOMING SOUTH IN THE AFTERNOON.    
SUNDAY NIGHT  
MOSTLY CLOUDY WITH A CHANCE OF SHOWERS. LOWS IN  
THE LOWER 60S. SOUTHWEST WINDS AROUND 5 MPH.    
MONDAY  
MOSTLY SUNNY. HIGHS IN THE UPPER 70S. WEST WINDS 5 TO  
10 MPH.  
 
 
 
RIZ004-180800-  
EASTERN KENT RI-  
INCLUDING THE CITIES OF EAST GREENWICH, WARWICK, AND WEST WARWICK  
407 PM EDT MON AUG 17 2026  
 
TONIGHT TUE TUE NIGHT WED  
 
CLOUD COVER MCLDY PCLDY PCLDY MCLEAR  
PRECIP TYPE SHOWERS NONE NONE NONE  
CHANCE PRECIP (%) 30 10 10  
CHANCE OF THUNDER (%) 0 0 0 0  
TEMP (24H TREND) 67 (0) 82 (+7) 65 84  
RH % (24H TREND) 100 (0) 74 (+18) 100 51  
20FT WND AM(MPH) LGT/VAR LGT/VAR  
20FT WND PM(MPH) LGT/VAR LGT/VAR LGT/VAR SW 5  
PRECIP AMOUNT 0.02 0.00 0.00 0.00  
PRECIP DURATION 0  
PRECIP BEGIN 6 PM  
PRECIP END 8 PM  
MIXING HGT (FT-AGL) 440 2880 430 5870  
TRANSPORT WND (KTS) N 6 NW 6 NW 6 SW 11  
VENT RATE (KT-FT) 2640 17280 2580 64570  
MAX ADI EARLY 12 POOR 21 FAIR 11 POOR 43 GEN GOOD  
MAX ADI LATE 4 VERY POOR 23 FAIR 3 VERY POOR 82 GOOD  
MAX LVORI EARLY 10 4 8 1  
MAX LVORI LATE 10 4 8 1  
MIN VSBY EARLY 2 FOG 1 FOG 9 4 FOG  
MIN VSBY LATE 1 FOG 9 3 FOG 9  
SUNSHINE HOURS N/A N/A N/A N/A  
CWR 20 0 0 0  
 
REMARKS...NONE.  
   
FORECAST FOR DAYS 3 THROUGH 7  
   
WEDNESDAY NIGHT  
MOSTLY CLEAR. LOWS IN THE UPPER 60S. SOUTHWEST  
WINDS 5 TO 10 MPH.    
THURSDAY  
MOSTLY SUNNY WITH A CHANCE OF SHOWERS. HIGHS IN THE  
LOWER 80S. WEST WINDS AROUND 5 MPH.    
THURSDAY NIGHT  
MOSTLY CLOUDY WITH A CHANCE OF SHOWERS. LOWS IN  
THE MID 60S. SOUTHWEST WINDS AROUND 5 MPH, BECOMING NORTHWEST  
AFTER MIDNIGHT.    
FRIDAY AND FRIDAY NIGHT  
MOSTLY CLOUDY. A CHANCE OF SHOWERS.  
LOWS IN THE MID 60S. HIGHS AROUND 80. NORTHEAST WINDS AROUND  
5 MPH.    
SATURDAY AND SATURDAY NIGHT  
MOSTLY CLOUDY. A CHANCE OF  
SHOWERS. LOWS IN THE MID 60S. HIGHS IN THE UPPER 70S. NORTHEAST  
WINDS AROUND 5 MPH.    
SUNDAY  
MOSTLY CLOUDY WITH SHOWERS LIKELY. HIGHS IN THE UPPER  
70S. EAST WINDS AROUND 5 MPH, BECOMING SOUTH IN THE AFTERNOON.    
SUNDAY NIGHT  
MOSTLY CLOUDY WITH A CHANCE OF SHOWERS. LOWS IN  
THE MID 60S. SOUTHWEST WINDS AROUND 5 MPH.    
MONDAY  
MOSTLY SUNNY. HIGHS AROUND 80. WEST WINDS 5 TO 10 MPH.  
 
 
 
RIZ005-180800-  
BRISTOL RI-  
INCLUDING THE CITY OF BRISTOL  
407 PM EDT MON AUG 17 2026  
 
TONIGHT TUE TUE NIGHT WED  
 
CLOUD COVER MCLDY PCLDY PCLDY MCLEAR  
PRECIP TYPE SHOWERS NONE NONE NONE  
CHANCE PRECIP (%) 30 10 10  
CHANCE OF THUNDER (%) 0 0 0 0  
TEMP (24H TREND) 68 (0) 81 (+6) 66 84  
RH % (24H TREND) 100 (0) 79 (+12) 100 55  
20FT WND AM(MPH) LGT/VAR LGT/VAR  
20FT WND PM(MPH) LGT/VAR LGT/VAR LGT/VAR SW 6  
PRECIP AMOUNT 0.03 0.00 0.00 0.00  
PRECIP DURATION 1  
PRECIP BEGIN 6 PM  
PRECIP END 9 PM  
MIXING HGT (FT-AGL) 440 2790 410 5330  
TRANSPORT WND (KTS) N 5 N 6 NW 5 SW 11  
VENT RATE (KT-FT) 2200 16740 2050 58630  
MAX ADI EARLY 13 GEN POOR 19 GEN POOR 9 POOR 34 FAIR  
MAX ADI LATE 4 VERY POOR 23 FAIR 3 VERY POOR 76 GOOD  
MAX LVORI EARLY 10 4 8 1  
MAX LVORI LATE 10 4 8 1  
MIN VSBY EARLY 3 FOG 1 FOG 9 4 FOG  
MIN VSBY LATE 1 FOG 9 3 FOG 9  
SUNSHINE HOURS N/A N/A N/A N/A  
CWR 30 0 0 0  
 
REMARKS...NONE.  
   
FORECAST FOR DAYS 3 THROUGH 7  
   
WEDNESDAY NIGHT  
MOSTLY CLEAR. LOWS IN THE UPPER 60S. SOUTHWEST  
WINDS 5 TO 10 MPH.    
THURSDAY  
MOSTLY SUNNY WITH A CHANCE OF SHOWERS. HIGHS IN THE  
LOWER 80S. WEST WINDS AROUND 5 MPH.    
THURSDAY NIGHT  
MOSTLY CLOUDY WITH A CHANCE OF SHOWERS. LOWS IN  
THE MID 60S. SOUTHWEST WINDS AROUND 5 MPH, BECOMING NORTHWEST  
AFTER MIDNIGHT.    
FRIDAY AND FRIDAY NIGHT  
MOSTLY CLOUDY. A CHANCE OF SHOWERS.  
LOWS IN THE MID 60S. HIGHS AROUND 80. NORTHEAST WINDS AROUND  
5 MPH.    
SATURDAY AND SATURDAY NIGHT  
MOSTLY CLOUDY. A CHANCE OF  
SHOWERS. LOWS IN THE MID 60S. HIGHS IN THE UPPER 70S. NORTHEAST  
WINDS 5 TO 10 MPH.    
SUNDAY  
MOSTLY CLOUDY WITH SHOWERS LIKELY. HIGHS IN THE UPPER  
70S. EAST WINDS AROUND 5 MPH, BECOMING SOUTH IN THE AFTERNOON.    
SUNDAY NIGHT  
MOSTLY CLOUDY WITH A CHANCE OF SHOWERS. LOWS IN  
THE MID 60S. SOUTHWEST WINDS 5 TO 10 MPH.    
MONDAY  
MOSTLY SUNNY. HIGHS AROUND 80. WEST WINDS 5 TO 10 MPH.  
 
 
 
RIZ006-180800-  
WASHINGTON RI-  
INCLUDING THE CITIES OF NARRAGANSETT AND WESTERLY  
407 PM EDT MON AUG 17 2026  
 
TONIGHT TUE TUE NIGHT WED  
 
CLOUD COVER MCLDY PCLDY PCLDY MCLEAR  
PRECIP TYPE SHOWERS NONE NONE NONE  
CHANCE PRECIP (%) 20 10 10  
CHANCE OF THUNDER (%) 0 0 0 0  
TEMP (24H TREND) 66 (-1) 82 (+8) 63 83  
RH % (24H TREND) 100 (0) 74 (+9) 100 51  
20FT WND AM(MPH) LGT/VAR LGT/VAR  
20FT WND PM(MPH) LGT/VAR LGT/VAR LGT/VAR SW 6  
PRECIP AMOUNT 0.02 0.00 0.00 0.00  
PRECIP DURATION 0  
PRECIP BEGIN 6 PM  
PRECIP END 8 PM  
MIXING HGT (FT-AGL) 420 2880 410 4990  
TRANSPORT WND (KTS) N 6 NW 6 N 6 SW 10  
VENT RATE (KT-FT) 2520 17280 2460 49900  
MAX ADI EARLY 12 POOR 15 GEN POOR 11 POOR 36 FAIR  
MAX ADI LATE 4 VERY POOR 16 GEN POOR 4 VERY POOR 58 GEN GOOD  
MAX LVORI EARLY 9 5 8 2  
MAX LVORI LATE 9 5 8 2  
MIN VSBY EARLY 3 FOG 1 FOG 8 4 FOG  
MIN VSBY LATE 1 FOG 9 3 FOG 9  
SUNSHINE HOURS N/A N/A N/A N/A  
CWR 20 0 0 0  
 
REMARKS...NONE.  
   
FORECAST FOR DAYS 3 THROUGH 7  
   
WEDNESDAY NIGHT  
MOSTLY CLEAR. LOWS IN THE UPPER 60S. SOUTHWEST  
WINDS 5 TO 10 MPH.    
THURSDAY  
MOSTLY SUNNY WITH A CHANCE OF SHOWERS. HIGHS IN THE  
LOWER 80S. WEST WINDS 5 TO 10 MPH.    
THURSDAY NIGHT  
MOSTLY CLOUDY WITH A CHANCE OF SHOWERS. LOWS IN  
THE LOWER 60S. SOUTHWEST WINDS AROUND 5 MPH, BECOMING NORTHWEST  
AFTER MIDNIGHT.    
FRIDAY  
PARTLY SUNNY WITH A CHANCE OF SHOWERS. HIGHS IN THE  
UPPER 70S. NORTHEAST WINDS AROUND 5 MPH.    
FRIDAY NIGHT  
MOSTLY CLOUDY WITH A CHANCE OF SHOWERS. LOWS IN  
THE LOWER 60S. NORTHEAST WINDS AROUND 5 MPH.    
SATURDAY THROUGH SUNDAY NIGHT  
MOSTLY CLOUDY WITH A CHANCE OF  
SHOWERS. LOWS IN THE MID 60S. HIGHS IN THE UPPER 70S. WEST WINDS  
5 TO 10 MPH.    
MONDAY  
MOSTLY SUNNY. HIGHS IN THE UPPER 70S. WEST WINDS 5 TO  
10 MPH.  
 
 
 
RIZ007-180800-  
NEWPORT RI-  
INCLUDING THE CITY OF NEWPORT  
407 PM EDT MON AUG 17 2026  
 
TONIGHT TUE TUE NIGHT WED  
 
CLOUD COVER MCLDY PCLDY PCLDY MCLEAR  
PRECIP TYPE SHOWERS NONE NONE NONE  
CHANCE PRECIP (%) 30 10 10  
CHANCE OF THUNDER (%) 0 0 0 0  
TEMP (24H TREND) 68 (0) 81 (+7) 67 83  
RH % (24H TREND) 100 (0) 79 (+9) 100 55  
20FT WND AM(MPH) LGT/VAR LGT/VAR  
20FT WND PM(MPH) LGT/VAR LGT/VAR LGT/VAR SW 7  
PRECIP AMOUNT 0.06 0.00 0.00 0.00  
PRECIP DURATION 1  
PRECIP BEGIN 6 PM  
PRECIP END 9 PM  
MIXING HGT (FT-AGL) 420 2220 420 3570  
TRANSPORT WND (KTS) N 6 N 7 NW 6 SW 10  
VENT RATE (KT-FT) 2520 15540 2520 35700  
MAX ADI EARLY 13 GEN POOR 15 GEN POOR 8 POOR 20 GEN POOR  
MAX ADI LATE 5 VERY POOR 14 GEN POOR 4 VERY POOR 39 FAIR  
MAX LVORI EARLY 9 5 7 3  
MAX LVORI LATE 9 5 7 3  
MIN VSBY EARLY 2 FOG 0 FOG 9 3 FOG  
MIN VSBY LATE 1 FOG 9 3 FOG 9  
SUNSHINE HOURS N/A N/A N/A N/A  
CWR 30 0 0 0  
 
REMARKS...NONE.  
   
FORECAST FOR DAYS 3 THROUGH 7  
   
WEDNESDAY NIGHT  
MOSTLY CLEAR. LOWS AROUND 70. SOUTHWEST WINDS  
5 TO 10 MPH.    
THURSDAY  
MOSTLY SUNNY WITH A CHANCE OF SHOWERS. HIGHS IN THE  
LOWER 80S. WEST WINDS 5 TO 10 MPH.    
THURSDAY NIGHT  
MOSTLY CLOUDY WITH A CHANCE OF SHOWERS. LOWS IN  
THE MID 60S. SOUTHWEST WINDS 5 TO 10 MPH, BECOMING NORTHWEST  
AFTER MIDNIGHT.    
FRIDAY AND FRIDAY NIGHT  
MOSTLY CLOUDY. A CHANCE OF SHOWERS.  
LOWS IN THE MID 60S. HIGHS IN THE UPPER 70S. NORTHEAST WINDS 5 TO  
10 MPH.    
SATURDAY AND SATURDAY NIGHT  
MOSTLY CLOUDY. A CHANCE OF  
SHOWERS. LOWS IN THE UPPER 60S. HIGHS IN THE UPPER 70S. NORTHEAST  
WINDS 5 TO 10 MPH.    
SUNDAY  
MOSTLY CLOUDY WITH SHOWERS LIKELY. HIGHS IN THE UPPER  
70S. EAST WINDS 5 TO 10 MPH, BECOMING SOUTH IN THE AFTERNOON.    
SUNDAY NIGHT  
MOSTLY CLOUDY WITH A CHANCE OF SHOWERS. LOWS IN  
THE UPPER 60S. SOUTHWEST WINDS 5 TO 10 MPH.    
MONDAY  
MOSTLY SUNNY. HIGHS IN THE UPPER 70S. WEST WINDS 10 TO  
15 MPH.  
 
 
 
RIZ008-180800-  
BLOCK ISLAND RI-  
INCLUDING THE CITY OF NEW SHOREHAM  
407 PM EDT MON AUG 17 2026  
 
TONIGHT TUE TUE NIGHT WED  
 
CLOUD COVER MCLDY PCLDY PCLDY MCLEAR  
PRECIP TYPE NONE NONE NONE NONE  
CHANCE PRECIP (%) 20 10 10  
CHANCE OF THUNDER (%) 0 0 0 0  
TEMP (24H TREND) 69 (0) 77 (+2) 69 79  
RH % (24H TREND) 100 (0) 90 (+19) 97 74  
20FT WND AM(MPH) LGT/VAR LGT/VAR  
20FT WND PM(MPH) NE 5 LGT/VAR LGT/VAR SW 7  
PRECIP AMOUNT 0.00 0.00 0.00 0.00  
PRECIP DURATION  
PRECIP BEGIN  
PRECIP END  
MIXING HGT (FT-AGL) 490 1200 460 970  
TRANSPORT WND (KTS) NE 9 N 6 SW 8 SW 6  
VENT RATE (KT-FT) 4410 7200 3680 5820  
MAX ADI EARLY 13 GEN POOR 13 GEN POOR 10 POOR 9 POOR  
MAX ADI LATE 7 POOR 9 POOR 6 VERY POOR 15 GEN POOR  
MAX LVORI EARLY 9 7 7 4  
MAX LVORI LATE 9 7 7 4  
MIN VSBY EARLY 2 FOG 1 FOG 9 4 FOG  
MIN VSBY LATE 1 FOG 9 4 FOG 9  
SUNSHINE HOURS N/A N/A N/A N/A  
CWR 0 0 0 0  
 
REMARKS...NONE.  
   
FORECAST FOR DAYS 3 THROUGH 7  
   
WEDNESDAY NIGHT  
MOSTLY CLEAR. LOWS IN THE LOWER 70S. SOUTHWEST  
WINDS 5 TO 10 MPH.    
THURSDAY  
MOSTLY SUNNY WITH A CHANCE OF SHOWERS. HIGHS IN THE  
UPPER 70S. WEST WINDS AROUND 5 MPH.    
THURSDAY NIGHT  
MOSTLY CLOUDY WITH A CHANCE OF SHOWERS. LOWS IN  
THE UPPER 60S. SOUTHWEST WINDS AROUND 5 MPH, BECOMING NORTH AFTER  
MIDNIGHT.    
FRIDAY THROUGH SATURDAY NIGHT  
MOSTLY CLOUDY WITH A CHANCE OF  
SHOWERS. LOWS AROUND 70. HIGHS IN THE MID 70S. EAST WINDS 5 TO  
10 MPH.    
SUNDAY AND SUNDAY NIGHT  
MOSTLY CLOUDY. A CHANCE OF SHOWERS.  
LOWS AROUND 70. HIGHS IN THE UPPER 70S. WEST WINDS 5 TO 10 MPH.    
MONDAY  
MOSTLY SUNNY. HIGHS IN THE UPPER 70S. WEST WINDS 5 TO  
10 MPH.  
 
 
 
MAZ017-180800-  
NORTHERN BRISTOL MA-  
INCLUDING THE CITY OF TAUNTON  
407 PM EDT MON AUG 17 2026  
 
TONIGHT TUE TUE NIGHT WED  
 
CLOUD COVER MCLDY MCLDY PCLDY MCLEAR  
PRECIP TYPE SHOWERS NONE NONE NONE  
CHANCE PRECIP (%) 40 10 20  
CHANCE OF THUNDER (%) 0 0 0 0  
TEMP (24H TREND) 65 (-1) 83 (+8) 64 85  
RH % (24H TREND) 100 (0) 72 (+16) 100 50  
20FT WND AM(MPH) LGT/VAR LGT/VAR  
20FT WND PM(MPH) LGT/VAR LGT/VAR LGT/VAR LGT/VAR  
PRECIP AMOUNT 0.04 0.00 0.00 0.00  
PRECIP DURATION 1  
PRECIP BEGIN 6 PM  
PRECIP END 9 PM  
MIXING HGT (FT-AGL) 430 2870 400 6340  
TRANSPORT WND (KTS) NE 6 N 6 W 5 SW 11  
VENT RATE (KT-FT) 2580 17220 2000 69740  
MAX ADI EARLY 14 GEN POOR 21 FAIR 12 POOR 52 GEN GOOD  
MAX ADI LATE 3 VERY POOR 23 FAIR 3 VERY POOR 90 GOOD  
MAX LVORI EARLY 10 4 9 1  
MAX LVORI LATE 10 4 9 1  
MIN VSBY EARLY 2 FOG 1 FOG 8 4 FOG  
MIN VSBY LATE 1 FOG 9 3 FOG 9  
SUNSHINE HOURS N/A N/A N/A N/A  
CWR 30 0 0 0  
 
REMARKS...NONE.  
   
FORECAST FOR DAYS 3 THROUGH 7  
   
WEDNESDAY NIGHT  
MOSTLY CLEAR. LOWS IN THE MID 60S. SOUTHWEST  
WINDS AROUND 5 MPH.    
THURSDAY  
MOSTLY SUNNY WITH A CHANCE OF SHOWERS. HIGHS IN THE  
MID 80S. WEST WINDS AROUND 5 MPH.    
THURSDAY NIGHT  
MOSTLY CLOUDY WITH A CHANCE OF SHOWERS. LOWS IN  
THE LOWER 60S. WEST WINDS AROUND 5 MPH, BECOMING NORTHWEST AFTER  
MIDNIGHT.    
FRIDAY  
MOSTLY SUNNY. HIGHS AROUND 80. NORTHEAST WINDS AROUND  
5 MPH.    
FRIDAY NIGHT  
MOSTLY CLOUDY WITH A CHANCE OF SHOWERS. LOWS IN  
THE LOWER 60S. EAST WINDS AROUND 5 MPH IN THE EVENING, BECOMING  
LIGHT AND VARIABLE.    
SATURDAY AND SATURDAY NIGHT  
MOSTLY CLOUDY. A CHANCE OF  
SHOWERS. LOWS IN THE LOWER 60S. HIGHS IN THE UPPER 70S. NORTHEAST  
WINDS AROUND 5 MPH.    
SUNDAY  
MOSTLY CLOUDY WITH SHOWERS LIKELY. HIGHS IN THE UPPER  
70S. EAST WINDS AROUND 5 MPH, BECOMING SOUTH AROUND 5 MPH IN THE  
AFTERNOON.    
SUNDAY NIGHT  
MOSTLY CLOUDY WITH A CHANCE OF SHOWERS. LOWS IN  
THE LOWER 60S. SOUTHWEST WINDS AROUND 5 MPH.    
MONDAY  
MOSTLY SUNNY. HIGHS IN THE LOWER 80S. WEST WINDS 5 TO  
10 MPH.  
 
 
 
MAZ018-180800-  
WESTERN PLYMOUTH MA-  
INCLUDING THE CITY OF BROCKTON  
407 PM EDT MON AUG 17 2026  
 
TONIGHT TUE TUE NIGHT WED  
 
CLOUD COVER MCLDY MCLDY PCLDY MCLEAR  
PRECIP TYPE SHOWERS NONE NONE NONE  
CHANCE PRECIP (%) 40 10 10  
CHANCE OF THUNDER (%) 0 0 0 0  
TEMP (24H TREND) 65 (-1) 81 (+6) 64 85  
RH % (24H TREND) 100 (0) 77 (+17) 100 48  
20FT WND AM(MPH) LGT/VAR LGT/VAR  
20FT WND PM(MPH) LGT/VAR LGT/VAR LGT/VAR LGT/VAR  
PRECIP AMOUNT 0.06 0.00 0.00 0.00  
PRECIP DURATION 1  
PRECIP BEGIN 6 PM  
PRECIP END 1 AM  
MIXING HGT (FT-AGL) 420 2630 400 6220  
TRANSPORT WND (KTS) E 5 N 7 E 4 SW 12  
VENT RATE (KT-FT) 2100 18410 1600 74640  
MAX ADI EARLY 14 GEN POOR 20 GEN POOR 12 POOR 49 GEN GOOD  
MAX ADI LATE 3 VERY POOR 18 GEN POOR 3 VERY POOR 90 GOOD  
MAX LVORI EARLY 10 4 10 1  
MAX LVORI LATE 10 4 10 1  
MIN VSBY EARLY 2 FOG 0 FOG 7 4 FOG  
MIN VSBY LATE 0 FOG 9 3 FOG 9  
SUNSHINE HOURS N/A N/A N/A N/A  
CWR 30 0 0 0  
 
REMARKS...NONE.  
   
FORECAST FOR DAYS 3 THROUGH 7  
   
WEDNESDAY NIGHT  
PARTLY CLOUDY. LOWS IN THE MID 60S. SOUTHWEST  
WINDS AROUND 5 MPH.    
THURSDAY  
MOSTLY SUNNY WITH A CHANCE OF SHOWERS. HIGHS IN THE  
LOWER 80S. WEST WINDS AROUND 5 MPH.    
THURSDAY NIGHT  
MOSTLY CLOUDY WITH A CHANCE OF SHOWERS. LOWS IN  
THE LOWER 60S. SOUTHWEST WINDS AROUND 5 MPH, BECOMING NORTHWEST  
AFTER MIDNIGHT.    
FRIDAY  
MOSTLY SUNNY. HIGHS IN THE UPPER 70S. NORTHEAST WINDS  
AROUND 5 MPH.    
FRIDAY NIGHT THROUGH SATURDAY NIGHT  
MOSTLY CLOUDY WITH A  
CHANCE OF SHOWERS. LOWS IN THE LOWER 60S. HIGHS IN THE UPPER 70S.  
EAST WINDS AROUND 5 MPH.    
SUNDAY  
MOSTLY CLOUDY WITH SHOWERS LIKELY. HIGHS IN THE UPPER  
70S. EAST WINDS AROUND 5 MPH, BECOMING SOUTH AROUND 5 MPH IN THE  
AFTERNOON.    
SUNDAY NIGHT  
MOSTLY CLOUDY WITH A CHANCE OF SHOWERS. LOWS IN  
THE LOWER 60S. SOUTHWEST WINDS AROUND 5 MPH.    
MONDAY  
MOSTLY SUNNY WITH A CHANCE OF SHOWERS. HIGHS IN THE  
LOWER 80S. WEST WINDS 5 TO 10 MPH.  
 
 
 
MAZ019-180800-  
EASTERN PLYMOUTH MA-  
INCLUDING THE CITY OF PLYMOUTH  
407 PM EDT MON AUG 17 2026  
 
TONIGHT TUE TUE NIGHT WED  
 
CLOUD COVER MCLDY MCLDY PCLDY MCLEAR  
PRECIP TYPE SHOWERS NONE NONE NONE  
CHANCE PRECIP (%) 50 10 10  
CHANCE OF THUNDER (%) 0 0 0 0  
TEMP (24H TREND) 66 (-1) 77 (+3) 64 85  
RH % (24H TREND) 100 (0) 82 (+28) 100 46  
20FT WND AM(MPH) LGT/VAR LGT/VAR  
20FT WND PM(MPH) LGT/VAR LGT/VAR LGT/VAR LGT/VAR  
PRECIP AMOUNT 0.07 0.00 0.00 0.00  
PRECIP DURATION 1  
PRECIP BEGIN 6 PM  
PRECIP END 4 AM  
MIXING HGT (FT-AGL) 420 1900 410 4310  
TRANSPORT WND (KTS) E 7 N 8 W 5 SW 7  
VENT RATE (KT-FT) 2940 15200 2050 30170  
MAX ADI EARLY 13 GEN POOR 16 GEN POOR 11 POOR 28 FAIR  
MAX ADI LATE 4 VERY POOR 16 GEN POOR 3 VERY POOR 33 FAIR  
MAX LVORI EARLY 9 6 9 3  
MAX LVORI LATE 9 6 9 3  
MIN VSBY EARLY 2 FOG 0 FOG 6 FOG 3 FOG  
MIN VSBY LATE 0 FOG 9 2 FOG 9  
SUNSHINE HOURS N/A N/A N/A N/A  
CWR 30 0 0 0  
 
REMARKS...NONE.  
   
FORECAST FOR DAYS 3 THROUGH 7  
   
WEDNESDAY NIGHT  
PARTLY CLOUDY. LOWS IN THE UPPER 60S.  
SOUTHWEST WINDS 5 TO 10 MPH.    
THURSDAY  
MOSTLY SUNNY WITH A CHANCE OF SHOWERS. HIGHS IN THE  
LOWER 80S. WEST WINDS AROUND 5 MPH, BECOMING EAST AROUND 5 MPH IN  
THE AFTERNOON.    
THURSDAY NIGHT  
MOSTLY CLOUDY WITH A CHANCE OF SHOWERS. LOWS IN  
THE MID 60S. SOUTH WINDS AROUND 5 MPH, BECOMING NORTHWEST AFTER  
MIDNIGHT.    
FRIDAY  
MOSTLY SUNNY. HIGHS IN THE UPPER 70S. NORTHEAST WINDS  
AROUND 5 MPH.    
FRIDAY NIGHT THROUGH SATURDAY NIGHT  
MOSTLY CLOUDY WITH A  
CHANCE OF SHOWERS. LOWS IN THE MID 60S. HIGHS IN THE MID 70S.  
EAST WINDS 5 TO 10 MPH.    
SUNDAY AND SUNDAY NIGHT  
MOSTLY CLOUDY WITH A CHANCE OF  
SHOWERS. LOWS IN THE MID 60S. HIGHS IN THE UPPER 70S. SOUTHWEST  
WINDS 5 TO 10 MPH.    
MONDAY  
MOSTLY SUNNY WITH A CHANCE OF SHOWERS. HIGHS AROUND 80.  
SOUTHWEST WINDS 5 TO 10 MPH.  
 
 
 
MAZ020-180800-  
SOUTHERN BRISTOL MA-  
INCLUDING THE CITIES OF FALL RIVER AND NEW BEDFORD  
407 PM EDT MON AUG 17 2026  
 
TONIGHT TUE TUE NIGHT WED  
 
CLOUD COVER MCLDY MCLDY PCLDY MCLEAR  
PRECIP TYPE SHOWERS NONE NONE NONE  
CHANCE PRECIP (%) 40 10 10  
CHANCE OF THUNDER (%) 0 0 0 0  
TEMP (24H TREND) 66 (-1) 82 (+7) 65 85  
RH % (24H TREND) 100 (0) 74 (+8) 100 53  
20FT WND AM(MPH) LGT/VAR LGT/VAR  
20FT WND PM(MPH) LGT/VAR LGT/VAR LGT/VAR SW 6  
PRECIP AMOUNT 0.05 0.00 0.00 0.00  
PRECIP DURATION 1  
PRECIP BEGIN 6 PM  
PRECIP END 9 PM  
MIXING HGT (FT-AGL) 430 2840 410 5360  
TRANSPORT WND (KTS) N 5 N 6 NW 6 SW 11  
VENT RATE (KT-FT) 2150 17040 2460 58960  
MAX ADI EARLY 13 GEN POOR 17 GEN POOR 10 POOR 37 FAIR  
MAX ADI LATE 4 VERY POOR 22 FAIR 3 VERY POOR 70 GOOD  
MAX LVORI EARLY 10 4 9 2  
MAX LVORI LATE 10 4 9 2  
MIN VSBY EARLY 2 FOG 0 FOG 8 3 FOG  
MIN VSBY LATE 0 FOG 9 3 FOG 9  
SUNSHINE HOURS N/A N/A N/A N/A  
CWR 30 0 0 0  
 
REMARKS...NONE.  
   
FORECAST FOR DAYS 3 THROUGH 7  
   
WEDNESDAY NIGHT  
MOSTLY CLEAR. LOWS IN THE UPPER 60S. SOUTHWEST  
WINDS 10 TO 15 MPH.    
THURSDAY  
MOSTLY SUNNY WITH A CHANCE OF SHOWERS. HIGHS IN THE  
LOWER 80S. WEST WINDS 5 TO 10 MPH.    
THURSDAY NIGHT  
MOSTLY CLOUDY WITH A CHANCE OF SHOWERS. LOWS IN  
THE MID 60S. SOUTHWEST WINDS 5 TO 10 MPH, BECOMING NORTHWEST  
AFTER MIDNIGHT.    
FRIDAY AND FRIDAY NIGHT  
MOSTLY CLOUDY. A CHANCE OF SHOWERS.  
LOWS IN THE MID 60S. HIGHS IN THE UPPER 70S. NORTHEAST WINDS 5 TO  
10 MPH.    
SATURDAY AND SATURDAY NIGHT  
MOSTLY CLOUDY. A CHANCE OF  
SHOWERS. LOWS IN THE MID 60S. HIGHS IN THE UPPER 70S. NORTHEAST  
WINDS 5 TO 10 MPH.    
SUNDAY  
MOSTLY CLOUDY WITH SHOWERS LIKELY. HIGHS IN THE UPPER  
70S. EAST WINDS 5 TO 10 MPH, BECOMING SOUTH IN THE AFTERNOON.    
SUNDAY NIGHT  
MOSTLY CLOUDY WITH A CHANCE OF SHOWERS. LOWS IN  
THE MID 60S. SOUTHWEST WINDS 5 TO 10 MPH.    
MONDAY  
MOSTLY SUNNY. HIGHS AROUND 80. SOUTHWEST WINDS 10 TO  
15 MPH.  
 
 
 
MAZ021-180800-  
SOUTHERN PLYMOUTH MA-  
INCLUDING THE CITY OF MATTAPOISETT  
407 PM EDT MON AUG 17 2026  
 
TONIGHT TUE TUE NIGHT WED  
 
CLOUD COVER MCLDY MCLDY PCLDY MCLEAR  
PRECIP TYPE SHOWERS NONE NONE NONE  
CHANCE PRECIP (%) 50 10 10  
CHANCE OF THUNDER (%) 0 0 0 0  
TEMP (24H TREND) 67 (0) 82 (+7) 65 85  
RH % (24H TREND) 100 (0) 77 (+11) 100 55  
20FT WND AM(MPH) LGT/VAR LGT/VAR  
20FT WND PM(MPH) LGT/VAR LGT/VAR LGT/VAR SW 6  
PRECIP AMOUNT 0.06 0.00 0.00 0.00  
PRECIP DURATION 1  
PRECIP BEGIN 6 PM  
PRECIP END 12 AM  
MIXING HGT (FT-AGL) 420 2560 410 5200  
TRANSPORT WND (KTS) NE 5 N 7 NW 6 SW 11  
VENT RATE (KT-FT) 2100 17920 2460 57200  
MAX ADI EARLY 14 GEN POOR 19 GEN POOR 11 POOR 38 FAIR  
MAX ADI LATE 4 VERY POOR 18 GEN POOR 3 VERY POOR 70 GOOD  
MAX LVORI EARLY 10 4 9 2  
MAX LVORI LATE 10 4 9 2  
MIN VSBY EARLY 2 FOG 0 FOG 7 3 FOG  
MIN VSBY LATE 0 FOG 9 3 FOG 9  
SUNSHINE HOURS N/A N/A N/A N/A  
CWR 40 0 0 0  
 
REMARKS...NONE.  
   
FORECAST FOR DAYS 3 THROUGH 7  
   
WEDNESDAY NIGHT  
PARTLY CLOUDY. LOWS IN THE UPPER 60S.  
SOUTHWEST WINDS 5 TO 10 MPH.    
THURSDAY  
MOSTLY SUNNY WITH A CHANCE OF SHOWERS. HIGHS IN THE  
LOWER 80S. WEST WINDS 5 TO 10 MPH.    
THURSDAY NIGHT  
MOSTLY CLOUDY WITH A CHANCE OF SHOWERS. LOWS IN  
THE MID 60S. SOUTHWEST WINDS 5 TO 10 MPH, BECOMING NORTHWEST  
AFTER MIDNIGHT.    
FRIDAY THROUGH SATURDAY NIGHT  
MOSTLY CLOUDY WITH A CHANCE OF  
SHOWERS. LOWS IN THE MID 60S. HIGHS IN THE UPPER 70S. EAST WINDS  
5 TO 10 MPH.    
SUNDAY  
MOSTLY CLOUDY WITH SHOWERS LIKELY. HIGHS IN THE UPPER  
70S. EAST WINDS 5 TO 10 MPH, BECOMING SOUTH IN THE AFTERNOON.    
SUNDAY NIGHT  
MOSTLY CLOUDY WITH A CHANCE OF SHOWERS. LOWS IN  
THE MID 60S. SOUTHWEST WINDS 5 TO 10 MPH.    
MONDAY  
MOSTLY SUNNY. HIGHS AROUND 80. SOUTHWEST WINDS 10 TO  
15 MPH.  
 
 
 
MAZ022-180800-  
BARNSTABLE MA-  
INCLUDING THE CITIES OF CHATHAM, FALMOUTH, AND PROVINCETOWN  
407 PM EDT MON AUG 17 2026  
 
TONIGHT TUE TUE NIGHT WED  
 
CLOUD COVER MCLDY MCLDY PCLDY PCLDY  
PRECIP TYPE SHOWERS NONE NONE NONE  
CHANCE PRECIP (%) 50 10 10  
CHANCE OF THUNDER (%) 0 0 0 0  
TEMP (24H TREND) 68 (+1) 79 (+5) 67 82  
RH % (24H TREND) 100 (0) 79 (+24) 100 61  
20FT WND AM(MPH) LGT/VAR LGT/VAR  
20FT WND PM(MPH) LGT/VAR LGT/VAR LGT/VAR SW 5  
PRECIP AMOUNT 0.09 0.00 0.00 0.00  
PRECIP DURATION 1  
PRECIP BEGIN 6 PM  
PRECIP END 4 AM  
MIXING HGT (FT-AGL) 390 1990 410 3340  
TRANSPORT WND (KTS) NE 6 N 9 NW 5 SW 10  
VENT RATE (KT-FT) 2340 17910 2050 33400  
MAX ADI EARLY 17 GEN POOR 19 GEN POOR 11 POOR 22 FAIR  
MAX ADI LATE 5 VERY POOR 18 GEN POOR 3 VERY POOR 36 FAIR  
MAX LVORI EARLY 9 5 10 4  
MAX LVORI LATE 9 5 10 4  
MIN VSBY EARLY 2 FOG 0 FOG 4 FOG 2 FOG  
MIN VSBY LATE 0 FOG 9 1 FOG 9  
SUNSHINE HOURS N/A N/A N/A N/A  
CWR 40 0 0 0  
 
REMARKS...NONE.  
   
FORECAST FOR DAYS 3 THROUGH 7  
   
WEDNESDAY NIGHT  
MOSTLY CLEAR. LOWS IN THE LOWER 70S. SOUTHWEST  
WINDS 5 TO 10 MPH.    
THURSDAY  
MOSTLY SUNNY WITH A CHANCE OF SHOWERS. HIGHS AROUND  
80. WEST WINDS AROUND 5 MPH.    
THURSDAY NIGHT  
MOSTLY CLOUDY WITH A CHANCE OF SHOWERS. LOWS IN  
THE UPPER 60S. SOUTHWEST WINDS AROUND 5 MPH, BECOMING NORTHWEST  
AFTER MIDNIGHT.    
FRIDAY THROUGH SATURDAY NIGHT  
MOSTLY CLOUDY WITH A CHANCE OF  
SHOWERS. LOWS IN THE UPPER 60S. HIGHS IN THE UPPER 70S. EAST  
WINDS 5 TO 10 MPH.    
SUNDAY AND SUNDAY NIGHT  
MOSTLY CLOUDY. A CHANCE OF SHOWERS.  
LOWS IN THE UPPER 60S. HIGHS IN THE UPPER 70S. SOUTHWEST WINDS  
5 TO 10 MPH.    
MONDAY  
MOSTLY SUNNY WITH A CHANCE OF SHOWERS. HIGHS AROUND 80.  
SOUTHWEST WINDS 10 TO 15 MPH.  
 
 
 
MAZ023-180800-  
DUKES MA-  
INCLUDING THE CITY OF VINEYARD HAVEN  
407 PM EDT MON AUG 17 2026  
 
TONIGHT TUE TUE NIGHT WED  
 
CLOUD COVER MCLDY PCLDY PCLDY MCLEAR  
PRECIP TYPE SHOWERS NONE NONE NONE  
CHANCE PRECIP (%) 40 10 10  
CHANCE OF THUNDER (%) 0 0 0 0  
TEMP (24H TREND) 68 (+1) 75 (0) 68 82  
RH % (24H TREND) 100 (0) 87 (+30) 100 61  
20FT WND AM(MPH) N 5 LGT/VAR  
20FT WND PM(MPH) E 6 LGT/VAR LGT/VAR SW 7  
PRECIP AMOUNT 0.14 0.00 0.00 0.00  
PRECIP DURATION 1  
PRECIP BEGIN 6 PM  
PRECIP END 9 PM  
MIXING HGT (FT-AGL) 450 1750 440 2600  
TRANSPORT WND (KTS) N 6 N 8 NE 7 SW 12  
VENT RATE (KT-FT) 2700 14000 3080 31200  
MAX ADI EARLY 22 FAIR 18 GEN POOR 12 POOR 20 GEN POOR  
MAX ADI LATE 8 POOR 15 GEN POOR 5 VERY POOR 34 FAIR  
MAX LVORI EARLY 9 6 9 3  
MAX LVORI LATE 9 6 9 3  
MIN VSBY EARLY 2 FOG 0 FOG 4 FOG 1 FOG  
MIN VSBY LATE 1 FOG 9 0 FOG 9  
SUNSHINE HOURS N/A N/A N/A N/A  
CWR 40 0 0 0  
 
REMARKS...NONE.  
   
FORECAST FOR DAYS 3 THROUGH 7  
   
WEDNESDAY NIGHT  
MOSTLY CLEAR. LOWS IN THE LOWER 70S. SOUTHWEST  
WINDS 5 TO 10 MPH.    
THURSDAY  
MOSTLY SUNNY WITH A CHANCE OF SHOWERS. HIGHS AROUND  
80. SOUTHWEST WINDS 5 TO 10 MPH.    
THURSDAY NIGHT  
MOSTLY CLOUDY WITH A CHANCE OF SHOWERS. LOWS IN  
THE UPPER 60S. SOUTHWEST WINDS 5 TO 10 MPH, BECOMING NORTHWEST  
AFTER MIDNIGHT.    
FRIDAY THROUGH SATURDAY NIGHT  
MOSTLY CLOUDY WITH A CHANCE OF  
SHOWERS. LOWS IN THE UPPER 60S. HIGHS IN THE UPPER 70S. EAST  
WINDS 5 TO 10 MPH.    
SUNDAY AND SUNDAY NIGHT  
MOSTLY CLOUDY. A CHANCE OF SHOWERS.  
LOWS IN THE UPPER 60S. HIGHS IN THE UPPER 70S. SOUTHWEST WINDS  
10 TO 15 MPH.    
MONDAY  
MOSTLY SUNNY. HIGHS IN THE UPPER 70S. WEST WINDS 10 TO  
15 MPH.  
 
 
 
MAZ024-180800-  
NANTUCKET MA-  
INCLUDING THE CITY OF NANTUCKET  
407 PM EDT MON AUG 17 2026  
 
TONIGHT TUE TUE NIGHT WED  
 
CLOUD COVER MCLDY PCLDY PCLDY PCLDY  
PRECIP TYPE SHOWERS NONE NONE NONE  
CHANCE PRECIP (%) 50 10  
CHANCE OF THUNDER (%) 0 0 0 0  
TEMP (24H TREND) 67 (0) 71 (-4) 68 80  
RH % (24H TREND) 100 (0) 93 (+36) 100 72  
20FT WND AM(MPH) N 6 LGT/VAR  
20FT WND PM(MPH) SE 8 N 6 LGT/VAR SW 7  
PRECIP AMOUNT 0.10 0.00 0.00 0.00  
PRECIP DURATION 1  
PRECIP BEGIN 6 PM  
PRECIP END 2 AM  
MIXING HGT (FT-AGL) 490 1410 880 1430  
TRANSPORT WND (KTS) E 7 N 9 W 7 SW 10  
VENT RATE (KT-FT) 3430 12690 6160 14300  
MAX ADI EARLY 16 GEN POOR 19 GEN POOR 14 GEN POOR 18 GEN POOR  
MAX ADI LATE 7 POOR 19 GEN POOR 5 VERY POOR 21 FAIR  
MAX LVORI EARLY 9 5 9 4  
MAX LVORI LATE 9 5 9 4  
MIN VSBY EARLY 2 FOG 0 FOG 3 FOG 1 FOG  
MIN VSBY LATE 0 FOG 8 1 FOG 9  
SUNSHINE HOURS N/A N/A N/A N/A  
CWR 50 0 0 0  
 
REMARKS...NONE.  
   
FORECAST FOR DAYS 3 THROUGH 7  
   
WEDNESDAY NIGHT  
MOSTLY CLEAR. LOWS IN THE LOWER 70S. SOUTHWEST  
WINDS 5 TO 10 MPH.    
THURSDAY  
MOSTLY SUNNY WITH A CHANCE OF SHOWERS. HIGHS IN THE  
UPPER 70S. SOUTHWEST WINDS 5 TO 10 MPH.    
THURSDAY NIGHT  
MOSTLY CLOUDY WITH A CHANCE OF SHOWERS. LOWS IN  
THE UPPER 60S. SOUTHWEST WINDS 5 TO 10 MPH, BECOMING NORTHWEST  
AFTER MIDNIGHT.    
FRIDAY THROUGH SUNDAY  
MOSTLY CLOUDY WITH A CHANCE OF SHOWERS.  
LOWS IN THE UPPER 60S. HIGHS IN THE UPPER 70S. SOUTH WINDS 10 TO  
15 MPH.    
SUNDAY NIGHT  
MOSTLY CLOUDY WITH A CHANCE OF SHOWERS. LOWS IN  
THE UPPER 60S. SOUTHWEST WINDS 10 TO 15 MPH.    
MONDAY  
MOSTLY SUNNY WITH A CHANCE OF SHOWERS. HIGHS IN THE  
UPPER 70S. SOUTHWEST WINDS 10 TO 15 MPH.  
 
 
   
OUTLOOK 8 TO 14 DAYS  
 
TEMPERATURES NEAR NORMAL. PRECIPITATION ABOVE NORMAL.  
 
 
 
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