184  
FNUS51 KBOX 172008  
FWFBOX  
 
FIRE WEATHER PLANNING FORECAST FOR SOUTHERN NEW ENGLAND  
NATIONAL WEATHER SERVICE BOSTON/NORTON MA  
408 PM EDT SAT MAY 17 2025  
   
DISCUSSION  
 
SCATTERED SHOWERS AND THUNDERSTORMS THIS AFTERNOON. MORE SHOWERS  
EXPECTED SUNDAY, BUT NOT AS STRONG AS SAT.  
 
MIN RH TODAY WILL BE ABOVE 50%, AND AROUND 50% SUNDAY  
   
OUTLOOK  
MONDAY THROUGH TUESDAY..  
 
UNSETTLED WEATHER CONTINUES INTO MONDAY AND TUESDAY AS LOW  
PRESSURE SLOWLY SLIDES AWAY FROM THE REGION.  
 
MAZ015-180800-  
SUFFOLK MA-  
INCLUDING THE CITIES OF BOSTON, CHELSEA, REVERE, AND WINTHROP  
408 PM EDT SAT MAY 17 2025  
 
TONIGHT SUN SUN NIGHT MON  
 
CLOUD COVER PCLDY PCLDY PCLDY PCLDY  
PRECIP TYPE TSTMS SHOWERS SHOWERS NONE  
CHANCE PRECIP (%) 20 30 20 10  
CHANCE OF THUNDER (%) 0 0 0 0  
TEMP (24H TREND) 58 (-3) 73 (-3) 53 68  
RH % (24H TREND) 87 (-13) 44 (-18) 69 45  
20FT WND AM(MPH) W 9 NW 13 G27  
20FT WND PM(MPH) S 7 W 11 G18 W 11 G19 NW 11 G23  
PRECIP AMOUNT 0.03 0.00 0.00 0.00  
PRECIP DURATION 1  
PRECIP BEGIN 7 PM  
PRECIP END 12 AM  
MIXING HGT (FT-AGL) 130 6260 700 4910  
TRANSPORT WND (KTS) W 10 W 17 W 18 NW 23  
VENT RATE (KT-FT) 1300 106420 12600 112930  
MAX ADI EARLY 14 GEN POOR 75 GOOD 49 GEN GOOD 63 GOOD  
MAX ADI LATE 9 POOR 78 GOOD 41 GEN GOOD 63 GOOD  
MAX LVORI EARLY 4 1 2 1  
MAX LVORI LATE 4 1 2 1  
MIN VSBY EARLY 8 10 10 9  
MIN VSBY LATE 6 FOG 10 10 9  
SUNSHINE HOURS N/A N/A N/A N/A  
CWR 20 0  
 
REMARKS...NONE.  
   
FORECAST FOR DAYS 3 THROUGH 7  
   
MONDAY NIGHT  
MOSTLY CLOUDY. LOWS IN THE UPPER 40S. NORTHWEST  
WINDS 10 TO 15 MPH.    
TUESDAY AND TUESDAY NIGHT  
MOSTLY CLOUDY. LOWS IN THE UPPER  
40S. HIGHS IN THE UPPER 50S. NORTHEAST WINDS 5 TO 10 MPH.    
WEDNESDAY  
MOSTLY CLOUDY WITH A CHANCE OF SHOWERS. HIGHS IN THE  
MID 50S. EAST WINDS 10 TO 15 MPH.    
WEDNESDAY NIGHT THROUGH THURSDAY NIGHT  
MOSTLY CLOUDY WITH  
SHOWERS LIKELY. LOWS IN THE UPPER 40S. HIGHS IN THE MID 50S.  
NORTH WINDS 10 TO 15 MPH.    
FRIDAY AND FRIDAY NIGHT  
MOSTLY CLOUDY WITH A CHANCE OF  
SHOWERS. LOWS IN THE UPPER 40S. HIGHS IN THE UPPER 50S. WEST  
WINDS 10 TO 15 MPH.    
SATURDAY  
PARTLY SUNNY WITH A CHANCE OF SHOWERS. HIGHS IN THE  
MID 60S. WEST WINDS 5 TO 10 MPH.  
 
 
 
MAZ016-180800-  
EASTERN NORFOLK MA-  
INCLUDING THE CITIES OF BRAINTREE, MILTON, QUINCY, AND WEYMOUTH  
408 PM EDT SAT MAY 17 2025  
 
TONIGHT SUN SUN NIGHT MON  
 
CLOUD COVER PCLDY PCLDY PCLDY PCLDY  
PRECIP TYPE TSTMS SHOWERS SHOWERS NONE  
CHANCE PRECIP (%) 20 30 20 10  
CHANCE OF THUNDER (%) 0 0 0 0  
TEMP (24H TREND) 57 (-2) 73 (-3) 53 68  
RH % (24H TREND) 93 (-7) 44 (-18) 69 45  
20FT WND AM(MPH) W 9 NW 13 G26  
20FT WND PM(MPH) S 8 W 11 G18 W 11 G19 NW 11 G23  
PRECIP AMOUNT 0.01 0.00 0.00 0.00  
PRECIP DURATION 0  
PRECIP BEGIN 8 PM  
PRECIP END 12 AM  
MIXING HGT (FT-AGL) 130 6430 610 4820  
TRANSPORT WND (KTS) W 10 W 17 W 18 NW 23  
VENT RATE (KT-FT) 1300 109310 10980 110860  
MAX ADI EARLY 13 GEN POOR 77 GOOD 50 GEN GOOD 64 GOOD  
MAX ADI LATE 9 POOR 78 GOOD 42 GEN GOOD 64 GOOD  
MAX LVORI EARLY 4 1 2 1  
MAX LVORI LATE 4 1 2 1  
MIN VSBY EARLY 9 10 10 9  
MIN VSBY LATE 7 10 10 9  
SUNSHINE HOURS N/A N/A N/A N/A  
CWR 10 0  
 
REMARKS...NONE.  
   
FORECAST FOR DAYS 3 THROUGH 7  
   
MONDAY NIGHT  
MOSTLY CLOUDY. LOWS IN THE UPPER 40S. NORTHWEST  
WINDS 10 TO 15 MPH.    
TUESDAY AND TUESDAY NIGHT  
MOSTLY CLOUDY. LOWS IN THE UPPER  
40S. HIGHS IN THE UPPER 50S. NORTHEAST WINDS 5 TO 10 MPH.    
WEDNESDAY  
MOSTLY CLOUDY WITH A CHANCE OF SHOWERS. HIGHS IN THE  
MID 50S. EAST WINDS 5 TO 10 MPH.    
WEDNESDAY NIGHT THROUGH THURSDAY NIGHT  
MOSTLY CLOUDY WITH  
SHOWERS LIKELY. LOWS IN THE UPPER 40S. HIGHS IN THE MID 50S.  
NORTH WINDS 10 TO 15 MPH.    
FRIDAY AND FRIDAY NIGHT  
MOSTLY CLOUDY WITH A CHANCE OF  
SHOWERS. LOWS IN THE UPPER 40S. HIGHS IN THE UPPER 50S. WEST  
WINDS 5 TO 10 MPH.    
SATURDAY  
PARTLY SUNNY WITH A CHANCE OF SHOWERS. HIGHS IN THE  
MID 60S. WEST WINDS 5 TO 10 MPH.  
 
 
 
MAZ013-180800-  
WESTERN NORFOLK MA-  
INCLUDING THE CITIES OF BELLINGHAM, DEDHAM, FOXBOROUGH, MEDFIELD,  
NORWOOD, STOUGHTON, AND WELLESLEY  
408 PM EDT SAT MAY 17 2025  
 
TONIGHT SUN SUN NIGHT MON  
 
CLOUD COVER PCLDY PCLDY PCLDY PCLDY  
PRECIP TYPE TSTMS SHOWERS SHOWERS NONE  
CHANCE PRECIP (%) 20 30 20 10  
CHANCE OF THUNDER (%) 0 0 0 0  
TEMP (24H TREND) 56 (-4) 72 (-5) 51 68  
RH % (24H TREND) 93 (-7) 40 (-20) 69 42  
20FT WND AM(MPH) W 8 NW 11 G25  
20FT WND PM(MPH) S 5 W 10 G18 W 9 G17 NW 9 G22  
PRECIP AMOUNT 0.03 0.00 0.00 0.00  
PRECIP DURATION 1  
PRECIP BEGIN 7 PM  
PRECIP END 12 AM  
MIXING HGT (FT-AGL) 250 6550 1470 5060  
TRANSPORT WND (KTS) W 8 W 18 W 20 NW 23  
VENT RATE (KT-FT) 2000 117900 29400 116380  
MAX ADI EARLY 28 FAIR 81 GOOD 67 GOOD 59 GEN GOOD  
MAX ADI LATE 8 POOR 74 GOOD 40 FAIR 59 GEN GOOD  
MAX LVORI EARLY 5 1 2 1  
MAX LVORI LATE 5 1 2 1  
MIN VSBY EARLY 9 10 10 9  
MIN VSBY LATE 9 10 10 9  
SUNSHINE HOURS N/A N/A N/A N/A  
CWR 20 0  
 
REMARKS...NONE.  
   
FORECAST FOR DAYS 3 THROUGH 7  
   
MONDAY NIGHT  
MOSTLY CLOUDY. LOWS IN THE UPPER 40S. NORTHWEST  
WINDS 5 TO 10 MPH.    
TUESDAY AND TUESDAY NIGHT  
MOSTLY CLOUDY. LOWS IN THE UPPER  
40S. HIGHS AROUND 60. NORTHEAST WINDS 5 TO 10 MPH.    
WEDNESDAY  
MOSTLY CLOUDY WITH A CHANCE OF SHOWERS. HIGHS IN THE  
MID 50S. EAST WINDS 5 TO 10 MPH.    
WEDNESDAY NIGHT THROUGH THURSDAY NIGHT  
MOSTLY CLOUDY WITH  
SHOWERS LIKELY. LOWS IN THE MID 40S. HIGHS IN THE MID 50S. NORTH  
WINDS 10 TO 15 MPH.    
FRIDAY AND FRIDAY NIGHT  
MOSTLY CLOUDY WITH A CHANCE OF  
SHOWERS. LOWS IN THE MID 40S. HIGHS IN THE UPPER 50S. WEST WINDS  
5 TO 10 MPH.    
SATURDAY  
PARTLY SUNNY WITH A CHANCE OF SHOWERS. HIGHS IN THE  
MID 60S. WEST WINDS 5 TO 10 MPH.  
 
 
 
MAZ014-180800-  
SOUTHEAST MIDDLESEX MA-  
INCLUDING THE CITIES OF CAMBRIDGE, LEXINGTON, NEWTON, WALTHAM,  
AND WOBURN  
408 PM EDT SAT MAY 17 2025  
 
TONIGHT SUN SUN NIGHT MON  
 
CLOUD COVER PCLDY PCLDY PCLDY PCLDY  
PRECIP TYPE TSTMS SHOWERS SHOWERS NONE  
CHANCE PRECIP (%) 20 40 20 10  
CHANCE OF THUNDER (%) 0 0 0 0  
TEMP (24H TREND) 57 (-4) 72 (-5) 53 67  
RH % (24H TREND) 90 (-10) 44 (-18) 67 45  
20FT WND AM(MPH) W 9 NW 12 G25  
20FT WND PM(MPH) S 6 W 11 G18 W 9 G17 NW 11 G23  
PRECIP AMOUNT 0.05 0.00 0.00 0.00  
PRECIP DURATION 1  
PRECIP BEGIN 7 PM  
PRECIP END 1 AM  
MIXING HGT (FT-AGL) 210 6260 1900 4880  
TRANSPORT WND (KTS) W 9 W 19 NW 21 NW 24  
VENT RATE (KT-FT) 1890 118940 39900 117120  
MAX ADI EARLY 25 FAIR 83 GOOD 65 GOOD 61 GOOD  
MAX ADI LATE 9 POOR 76 GOOD 41 GEN GOOD 61 GOOD  
MAX LVORI EARLY 4 1 1 1  
MAX LVORI LATE 4 1 1 1  
MIN VSBY EARLY 10 10 10 9  
MIN VSBY LATE 8 10 10 9  
SUNSHINE HOURS N/A N/A N/A N/A  
CWR 30 0  
 
REMARKS...NONE.  
   
FORECAST FOR DAYS 3 THROUGH 7  
   
MONDAY NIGHT  
MOSTLY CLOUDY. LOWS IN THE UPPER 40S. NORTHWEST  
WINDS 5 TO 10 MPH.    
TUESDAY AND TUESDAY NIGHT  
MOSTLY CLOUDY. LOWS IN THE UPPER  
40S. HIGHS IN THE UPPER 50S. NORTHEAST WINDS AROUND 5 MPH.    
WEDNESDAY  
MOSTLY CLOUDY WITH A CHANCE OF SHOWERS. HIGHS IN THE  
MID 50S. EAST WINDS 5 TO 10 MPH.    
WEDNESDAY NIGHT THROUGH THURSDAY NIGHT  
MOSTLY CLOUDY WITH  
SHOWERS LIKELY. LOWS IN THE UPPER 40S. HIGHS IN THE MID 50S.  
NORTH WINDS 5 TO 10 MPH.    
FRIDAY  
MOSTLY CLOUDY WITH SHOWERS LIKELY. HIGHS IN THE UPPER  
50S. NORTHWEST WINDS 5 TO 10 MPH.    
FRIDAY NIGHT AND SATURDAY  
MOSTLY CLOUDY. A CHANCE OF SHOWERS.  
LOWS IN THE UPPER 40S. HIGHS IN THE MID 60S. WEST WINDS 5 TO  
10 MPH.  
 
 
 
MAZ007-180800-  
EASTERN ESSEX MA-  
INCLUDING THE CITIES OF BEVERLY, GLOUCESTER, NEWBURYPORT,  
PEABODY, SALEM, AND SAUGUS  
408 PM EDT SAT MAY 17 2025  
 
TONIGHT SUN SUN NIGHT MON  
 
CLOUD COVER PCLDY PCLDY PCLDY PCLDY  
PRECIP TYPE TSTMS SHOWERS SHOWERS NONE  
CHANCE PRECIP (%) 20 40 20 20  
CHANCE OF THUNDER (%) 0 0 0 0  
TEMP (24H TREND) 54 (-2) 71 (+1) 52 66  
RH % (24H TREND) 100 (0) 45 (-24) 77 48  
20FT WND AM(MPH) W 8 NW 12 G26  
20FT WND PM(MPH) S 5 W 10 G17 W 9 G18 NW 11 G22  
PRECIP AMOUNT 0.02 0.00 0.00 0.00  
PRECIP DURATION 1  
PRECIP BEGIN 7 PM  
PRECIP END 12 AM  
MIXING HGT (FT-AGL) 50 5570 210 4680  
TRANSPORT WND (KTS) SE 11 W 16 W 15 NW 20  
VENT RATE (KT-FT) 550 89120 3150 93600  
MAX ADI EARLY 10 POOR 72 GOOD 32 FAIR 57 GEN GOOD  
MAX ADI LATE 8 POOR 57 GEN GOOD 41 GEN GOOD 57 GEN GOOD  
MAX LVORI EARLY 5 1 2 1  
MAX LVORI LATE 5 1 2 1  
MIN VSBY EARLY 3 FOG 9 10 9  
MIN VSBY LATE 2 FOG 10 10 9  
SUNSHINE HOURS N/A N/A N/A N/A  
CWR 10 0  
 
REMARKS...NONE.  
   
FORECAST FOR DAYS 3 THROUGH 7  
   
MONDAY NIGHT  
MOSTLY CLOUDY. LOWS IN THE UPPER 40S. NORTHWEST  
WINDS 10 TO 15 MPH.    
TUESDAY AND TUESDAY NIGHT  
MOSTLY CLOUDY. LOWS IN THE UPPER  
40S. HIGHS IN THE UPPER 50S. NORTHEAST WINDS 5 TO 10 MPH.    
WEDNESDAY  
MOSTLY CLOUDY WITH A CHANCE OF SHOWERS. HIGHS IN THE  
MID 50S. EAST WINDS 10 TO 15 MPH.    
WEDNESDAY NIGHT THROUGH FRIDAY  
MOSTLY CLOUDY WITH SHOWERS  
LIKELY. LOWS IN THE MID 40S. HIGHS IN THE UPPER 50S. NORTH WINDS  
15 TO 20 MPH.    
FRIDAY NIGHT AND SATURDAY  
MOSTLY CLOUDY. A CHANCE OF SHOWERS.  
LOWS IN THE UPPER 40S. HIGHS IN THE LOWER 60S. WEST WINDS 5 TO  
10 MPH.  
 
 
 
MAZ006-180800-  
WESTERN ESSEX MA-  
INCLUDING THE CITIES OF AMESBURY, ANDOVER, HAVERHILL, LAWRENCE,  
METHUEN, AND TOPSFIELD  
408 PM EDT SAT MAY 17 2025  
 
TONIGHT SUN SUN NIGHT MON  
 
CLOUD COVER PCLDY PCLDY PCLDY PCLDY  
PRECIP TYPE TSTMS SHOWERS SHOWERS NONE  
CHANCE PRECIP (%) 20 40 20 20  
CHANCE OF THUNDER (%) 20 0 0 0  
TEMP (24H TREND) 56 (-2) 71 (-3) 51 65  
RH % (24H TREND) 93 (-7) 45 (-17) 72 48  
20FT WND AM(MPH) W 7 NW 11 G25  
20FT WND PM(MPH) LGT/VAR W 9 G17 W 8 NW 10 G23  
PRECIP AMOUNT 0.05 0.00 0.00 0.00  
PRECIP DURATION 1  
PRECIP BEGIN 7 PM  
PRECIP END 1 AM  
MIXING HGT (FT-AGL) 160 6060 1570 4670  
TRANSPORT WND (KTS) SE 5 W 19 NW 25 NW 22  
VENT RATE (KT-FT) 800 115140 39250 102740  
MAX ADI EARLY 17 GEN POOR 75 GOOD 62 GOOD 60 GEN GOOD  
MAX ADI LATE 9 POOR 72 GOOD 41 GEN GOOD 60 GEN GOOD  
MAX LVORI EARLY 6 1 1 1  
MAX LVORI LATE 6 1 1 1  
MIN VSBY EARLY 5 FOG 10 10 9  
MIN VSBY LATE 3 FOG 10 10 9  
SUNSHINE HOURS N/A N/A N/A N/A  
CWR 20 0  
 
REMARKS...NONE.  
   
FORECAST FOR DAYS 3 THROUGH 7  
   
MONDAY NIGHT  
MOSTLY CLOUDY. LOWS IN THE UPPER 40S. NORTHWEST  
WINDS 5 TO 10 MPH.    
TUESDAY AND TUESDAY NIGHT  
MOSTLY CLOUDY. LOWS IN THE UPPER  
40S. HIGHS IN THE UPPER 50S. NORTHEAST WINDS AROUND 5 MPH.    
WEDNESDAY  
MOSTLY CLOUDY WITH A CHANCE OF SHOWERS. HIGHS IN THE  
MID 50S. EAST WINDS 5 TO 10 MPH.    
WEDNESDAY NIGHT THROUGH THURSDAY NIGHT  
MOSTLY CLOUDY WITH  
SHOWERS LIKELY. LOWS IN THE MID 40S. HIGHS IN THE MID 50S.  
NORTHEAST WINDS 5 TO 10 MPH.    
FRIDAY  
MOSTLY CLOUDY WITH SHOWERS LIKELY. HIGHS IN THE UPPER  
50S. NORTH WINDS 5 TO 10 MPH.    
FRIDAY NIGHT AND SATURDAY  
MOSTLY CLOUDY. A CHANCE OF SHOWERS.  
LOWS IN THE MID 40S. HIGHS IN THE MID 60S. WEST WINDS 5 TO  
10 MPH.  
 
 
 
MAZ005-180800-  
CENTRAL MIDDLESEX MA-  
INCLUDING THE CITIES OF BURLINGTON, CHELMSFORD, FRAMINGHAM,  
HOPKINTON, LOWELL, AND NATICK  
408 PM EDT SAT MAY 17 2025  
 
TONIGHT SUN SUN NIGHT MON  
 
CLOUD COVER PCLDY PCLDY PCLDY PCLDY  
PRECIP TYPE TSTMS SHOWERS SHOWERS NONE  
CHANCE PRECIP (%) 20 30 20 10  
CHANCE OF THUNDER (%) 20 0 0 0  
TEMP (24H TREND) 55 (-6) 71 (-7) 51 67  
RH % (24H TREND) 93 (-7) 45 (-17) 71 45  
20FT WND AM(MPH) W 8 G17 NW 12 G25  
20FT WND PM(MPH) LGT/VAR W 10 G19 W 9 G18 NW 10 G23  
PRECIP AMOUNT 0.08 0.00 0.00 0.00  
PRECIP DURATION 1  
PRECIP BEGIN 7 PM  
PRECIP END 1 AM  
MIXING HGT (FT-AGL) 180 5810 1160 4850  
TRANSPORT WND (KTS) SW 8 W 20 W 19 NW 24  
VENT RATE (KT-FT) 1440 116200 22040 116400  
MAX ADI EARLY 27 FAIR 80 GOOD 60 GEN GOOD 61 GOOD  
MAX ADI LATE 9 POOR 72 GOOD 40 FAIR 61 GOOD  
MAX LVORI EARLY 5 1 1 1  
MAX LVORI LATE 5 1 1 1  
MIN VSBY EARLY 10 10 10 9  
MIN VSBY LATE 9 10 10 9  
SUNSHINE HOURS N/A N/A N/A N/A  
CWR 40 0  
 
REMARKS...NONE.  
   
FORECAST FOR DAYS 3 THROUGH 7  
   
MONDAY NIGHT  
MOSTLY CLOUDY. LOWS IN THE UPPER 40S. NORTHWEST  
WINDS 10 TO 15 MPH.    
TUESDAY AND TUESDAY NIGHT  
MOSTLY CLOUDY. LOWS IN THE UPPER  
40S. HIGHS AROUND 60. NORTHEAST WINDS 5 TO 10 MPH.    
WEDNESDAY  
MOSTLY CLOUDY WITH A CHANCE OF SHOWERS. HIGHS IN THE  
MID 50S. EAST WINDS 5 TO 10 MPH.    
WEDNESDAY NIGHT THROUGH THURSDAY NIGHT  
MOSTLY CLOUDY WITH  
SHOWERS LIKELY. LOWS IN THE MID 40S. HIGHS IN THE MID 50S. NORTH  
WINDS 10 TO 15 MPH.    
FRIDAY  
MOSTLY CLOUDY WITH SHOWERS LIKELY. HIGHS IN THE UPPER  
50S. NORTHWEST WINDS 5 TO 10 MPH.    
FRIDAY NIGHT AND SATURDAY  
MOSTLY CLOUDY. A CHANCE OF SHOWERS.  
LOWS IN THE MID 40S. HIGHS IN THE MID 60S. WEST WINDS 5 TO  
10 MPH.  
 
 
 
MAZ012-180800-  
SOUTHERN WORCESTER MA-  
INCLUDING THE CITIES OF MILFORD, OXFORD, STURBRIDGE, UXBRIDGE,  
WESTBOROUGH, AND WORCESTER  
408 PM EDT SAT MAY 17 2025  
 
TONIGHT SUN SUN NIGHT MON  
 
CLOUD COVER PCLDY PCLDY PCLDY PCLDY  
PRECIP TYPE TSTMS SHOWERS SHOWERS NONE  
CHANCE PRECIP (%) 20 30 30 10  
CHANCE OF THUNDER (%) 20 0 0 0  
TEMP (24H TREND) 54 (-6) 70 (-8) 49 67  
RH % (24H TREND) 90 (-10) 47 (-13) 71 43  
20FT WND AM(MPH) W 9 G19 NW 13 G28  
20FT WND PM(MPH) SW 5 W 11 G22 W 10 G22 NW 11 G27  
PRECIP AMOUNT 0.13 0.00 0.00 0.00  
PRECIP DURATION 1  
PRECIP BEGIN 6 PM  
PRECIP END 1 AM  
MIXING HGT (FT-AGL) 290 5300 1550 4960  
TRANSPORT WND (KTS) W 16 W 20 NW 21 NW 24  
VENT RATE (KT-FT) 4640 106000 32550 119040  
MAX ADI EARLY 29 FAIR 83 GOOD 48 GEN GOOD 56 GEN GOOD  
MAX ADI LATE 12 POOR 67 GOOD 37 FAIR 56 GEN GOOD  
MAX LVORI EARLY 4 1 2 1  
MAX LVORI LATE 4 1 2 1  
MIN VSBY EARLY 8 7 10 9  
MIN VSBY LATE 3 FOG 10 10 9  
SUNSHINE HOURS N/A N/A N/A N/A  
CWR 80 0  
 
REMARKS...NONE.  
   
FORECAST FOR DAYS 3 THROUGH 7  
   
MONDAY NIGHT  
MOSTLY CLOUDY. LOWS IN THE MID 40S. NORTHWEST  
WINDS 10 TO 15 MPH.    
TUESDAY AND TUESDAY NIGHT  
MOSTLY CLOUDY. LOWS IN THE MID 40S.  
HIGHS IN THE LOWER 60S. NORTHEAST WINDS 5 TO 10 MPH.    
WEDNESDAY  
MOSTLY CLOUDY WITH A CHANCE OF SHOWERS. HIGHS IN THE  
MID 50S. EAST WINDS 5 TO 10 MPH.    
WEDNESDAY NIGHT THROUGH THURSDAY NIGHT  
MOSTLY CLOUDY WITH  
SHOWERS LIKELY. LOWS IN THE MID 40S. HIGHS IN THE MID 50S. NORTH  
WINDS 10 TO 15 MPH.    
FRIDAY AND FRIDAY NIGHT  
MOSTLY CLOUDY WITH A CHANCE OF  
SHOWERS. LOWS IN THE MID 40S. HIGHS IN THE UPPER 50S. WEST WINDS  
5 TO 10 MPH.    
SATURDAY  
PARTLY SUNNY WITH A CHANCE OF SHOWERS. HIGHS IN THE  
MID 60S. WEST WINDS 5 TO 10 MPH.  
 
 
 
MAZ004-180800-  
NORTHERN WORCESTER MA-  
INCLUDING THE CITIES OF ATHOL, BOYLSTON, BROOKFIELD, FITCHBURG,  
GARDNER, AND HARVARD  
408 PM EDT SAT MAY 17 2025  
 
TONIGHT SUN SUN NIGHT MON  
 
CLOUD COVER PCLDY PCLDY PCLDY PCLDY  
PRECIP TYPE TSTMS SHOWERS SHOWERS NONE  
CHANCE PRECIP (%) 40 40 30 10  
CHANCE OF THUNDER (%) 40 0 0 0  
TEMP (24H TREND) 50 (-10) 69 (-8) 47 65  
RH % (24H TREND) 97 (-3) 47 (-13) 74 43  
20FT WND AM(MPH) W 9 G20 NW 13 G28  
20FT WND PM(MPH) SW 5 W 11 G22 W 10 G22 NW 12 G27  
PRECIP AMOUNT 0.18 0.01 0.00 0.00  
PRECIP DURATION 1 2  
PRECIP BEGIN 6 PM 11 AM  
PRECIP END 1 AM 6 PM  
MIXING HGT (FT-AGL) 290 5200 910 4740  
TRANSPORT WND (KTS) W 11 W 20 W 18 NW 25  
VENT RATE (KT-FT) 3190 104000 16380 118500  
MAX ADI EARLY 37 FAIR 80 GOOD 45 GEN GOOD 54 GEN GOOD  
MAX ADI LATE 18 GEN POOR 68 GOOD 32 FAIR 54 GEN GOOD  
MAX LVORI EARLY 5 1 3 1  
MAX LVORI LATE 5 1 3 1  
MIN VSBY EARLY 9 8 10 9  
MIN VSBY LATE 7 10 10 9  
SUNSHINE HOURS N/A N/A N/A N/A  
CWR 80 10 10 0  
 
REMARKS...NONE.  
   
FORECAST FOR DAYS 3 THROUGH 7  
   
MONDAY NIGHT  
MOSTLY CLOUDY. LOWS IN THE MID 40S. NORTHWEST  
WINDS 10 TO 15 MPH.    
TUESDAY  
PARTLY SUNNY. HIGHS IN THE UPPER 50S. NORTH WINDS 5 TO  
10 MPH.    
TUESDAY NIGHT  
MOSTLY CLOUDY. LOWS IN THE MID 40S. EAST WINDS  
AROUND 5 MPH.    
WEDNESDAY  
MOSTLY CLOUDY WITH A CHANCE OF SHOWERS. HIGHS IN THE  
MID 50S. EAST WINDS 5 TO 10 MPH.    
WEDNESDAY NIGHT  
CLOUDY WITH SHOWERS LIKELY. LOWS IN THE LOWER  
40S. EAST WINDS 10 TO 15 MPH.    
THURSDAY THROUGH FRIDAY  
SHOWERS. LOWS IN THE LOWER 40S. HIGHS  
IN THE MID 50S. NORTHWEST WINDS 10 TO 15 MPH.    
FRIDAY NIGHT AND SATURDAY  
MOSTLY CLOUDY. A CHANCE OF SHOWERS.  
LOWS IN THE LOWER 40S. HIGHS IN THE LOWER 60S. WEST WINDS 5 TO  
10 MPH.  
 
 
 
MAZ026-180800-  
NORTHERN MIDDLESEX MA-  
INCLUDING THE CITIES OF ASHBY, AYER, GROTON, PEPPERELL, SHIRLEY,  
AND TOWNSEND  
408 PM EDT SAT MAY 17 2025  
 
TONIGHT SUN SUN NIGHT MON  
 
CLOUD COVER PCLDY PCLDY PCLDY PCLDY  
PRECIP TYPE TSTMS SHOWERS SHOWERS NONE  
CHANCE PRECIP (%) 30 30 20 10  
CHANCE OF THUNDER (%) 20 0 0 0  
TEMP (24H TREND) 53 (-8) 70 (-8) 49 66  
RH % (24H TREND) 96 (-4) 49 (-11) 71 48  
20FT WND AM(MPH) W 8 G18 NW 12 G28  
20FT WND PM(MPH) LGT/VAR W 8 G20 NW 9 G19 NW 10 G25  
PRECIP AMOUNT 0.09 0.01 0.00 0.00  
PRECIP DURATION 1 2  
PRECIP BEGIN 6 PM 12 PM  
PRECIP END 1 AM 6 PM  
MIXING HGT (FT-AGL) 250 5750 370 4350  
TRANSPORT WND (KTS) W 15 W 19 W 14 NW 24  
VENT RATE (KT-FT) 3750 109250 5180 104400  
MAX ADI EARLY 28 FAIR 85 GOOD 48 GEN GOOD 53 GEN GOOD  
MAX ADI LATE 9 POOR 72 GOOD 33 FAIR 53 GEN GOOD  
MAX LVORI EARLY 5 1 3 1  
MAX LVORI LATE 5 1 3 1  
MIN VSBY EARLY 10 10 10 9  
MIN VSBY LATE 10 10 10 9  
SUNSHINE HOURS N/A N/A N/A N/A  
CWR 40 10 10 0  
 
REMARKS...NONE.  
   
FORECAST FOR DAYS 3 THROUGH 7  
   
MONDAY NIGHT  
MOSTLY CLOUDY. LOWS IN THE MID 40S. NORTHWEST  
WINDS 5 TO 10 MPH.    
TUESDAY  
MOSTLY CLOUDY. HIGHS AROUND 60. NORTH WINDS 5 TO  
10 MPH.    
TUESDAY NIGHT  
MOSTLY CLOUDY. LOWS IN THE MID 40S. NORTHEAST  
WINDS AROUND 5 MPH.    
WEDNESDAY  
MOSTLY CLOUDY WITH A CHANCE OF SHOWERS. HIGHS IN THE  
MID 50S. EAST WINDS 5 TO 10 MPH.    
WEDNESDAY NIGHT THROUGH THURSDAY NIGHT  
SHOWERS. LOWS IN THE  
LOWER 40S. HIGHS IN THE LOWER 50S. NORTH WINDS 5 TO 10 MPH.    
FRIDAY  
MOSTLY CLOUDY WITH SHOWERS LIKELY. HIGHS IN THE UPPER  
50S. NORTHWEST WINDS 5 TO 10 MPH.    
FRIDAY NIGHT AND SATURDAY  
MOSTLY CLOUDY. A CHANCE OF SHOWERS.  
LOWS IN THE MID 40S. HIGHS IN THE MID 60S. WEST WINDS 5 TO  
10 MPH.  
 
 
 
MAZ002-180800-  
WESTERN FRANKLIN MA-  
INCLUDING THE CITIES OF ASHFIELD, CHARLEMONT, COLRAIN,  
AND SHELBURNE  
408 PM EDT SAT MAY 17 2025  
 
TONIGHT SUN SUN NIGHT MON  
 
CLOUD COVER PCLDY PCLDY MCLDY PCLDY  
PRECIP TYPE TSTMS SHOWERS SHOWERS NONE  
CHANCE PRECIP (%) 60 50 30 10  
CHANCE OF THUNDER (%) 50 0 0 0  
TEMP (24H TREND) 49 (-11) 63 (-12) 45 63  
RH % (24H TREND) 93 (-7) 58 (+2) 83 45  
20FT WND AM(MPH) W 8 G18 NW 11 G29  
20FT WND PM(MPH) SW 5 W 9 G21 W 11 G24 NW 10 G25  
PRECIP AMOUNT 0.16 0.08 0.02 0.00  
PRECIP DURATION 1 3 2  
PRECIP BEGIN 6 PM 7 AM CONTINUING  
PRECIP END 12 AM CONTINUING 6 AM  
MIXING HGT (FT-AGL) 330 3860 950 4670  
TRANSPORT WND (KTS) SW 10 W 20 NW 20 NW 23  
VENT RATE (KT-FT) 3300 77200 19000 107410  
MAX ADI EARLY 42 GEN GOOD 71 GOOD 50 GEN GOOD 46 GEN GOOD  
MAX ADI LATE 20 GEN POOR 66 GOOD 31 FAIR 46 GEN GOOD  
MAX LVORI EARLY 4 2 3 1  
MAX LVORI LATE 4 2 3 1  
MIN VSBY EARLY 10 10 10 9  
MIN VSBY LATE 10 10 10 9  
SUNSHINE HOURS N/A N/A N/A N/A  
CWR 80 30 30 0  
 
REMARKS...NONE.  
   
FORECAST FOR DAYS 3 THROUGH 7  
   
MONDAY NIGHT  
MOSTLY CLOUDY. LOWS IN THE LOWER 40S. NORTHWEST  
WINDS 10 TO 15 MPH.    
TUESDAY  
PARTLY SUNNY. HIGHS IN THE UPPER 50S. NORTH WINDS 5 TO  
10 MPH.    
TUESDAY NIGHT  
MOSTLY CLOUDY. LOWS IN THE MID 40S. EAST WINDS  
AROUND 5 MPH.    
WEDNESDAY THROUGH THURSDAY  
SHOWERS. LOWS IN THE LOWER 40S.  
HIGHS IN THE LOWER 50S. NORTHEAST WINDS 10 TO 15 MPH.    
THURSDAY NIGHT AND FRIDAY  
SHOWERS. LOWS IN THE LOWER 40S.  
HIGHS IN THE MID 50S. NORTHWEST WINDS 5 TO 10 MPH.    
FRIDAY NIGHT AND SATURDAY  
MOSTLY CLOUDY. A CHANCE OF SHOWERS.  
LOWS IN THE MID 40S. HIGHS AROUND 60. WEST WINDS 5 TO 10 MPH.  
 
 
 
MAZ003-180800-  
EASTERN FRANKLIN MA-  
INCLUDING THE CITIES OF GREENFIELD, LEVERETT, NORTHFIELD, ORANGE,  
AND WHATELY  
408 PM EDT SAT MAY 17 2025  
 
TONIGHT SUN SUN NIGHT MON  
 
CLOUD COVER PCLDY PCLDY MCLDY PCLDY  
PRECIP TYPE TSTMS SHOWERS SHOWERS NONE  
CHANCE PRECIP (%) 60 40 30 10  
CHANCE OF THUNDER (%) 40 0 0 0  
TEMP (24H TREND) 51 (-10) 66 (-12) 48 66  
RH % (24H TREND) 96 (-4) 54 (-8) 74 43  
20FT WND AM(MPH) W 7 G17 NW 11 G28  
20FT WND PM(MPH) SW 5 W 9 G21 NW 10 G22 NW 11 G25  
PRECIP AMOUNT 0.25 0.02 0.01 0.00  
PRECIP DURATION 1 3 1  
PRECIP BEGIN 6 PM 11 AM CONTINUING  
PRECIP END 12 AM CONTINUING 11 PM  
MIXING HGT (FT-AGL) 300 4530 450 4970  
TRANSPORT WND (KTS) SW 8 W 19 NW 15 NW 23  
VENT RATE (KT-FT) 2400 86070 6750 114310  
MAX ADI EARLY 42 GEN GOOD 70 GOOD 44 GEN GOOD 46 GEN GOOD  
MAX ADI LATE 11 POOR 61 GOOD 26 FAIR 46 GEN GOOD  
MAX LVORI EARLY 5 1 2 1  
MAX LVORI LATE 5 1 2 1  
MIN VSBY EARLY 10 10 10 9  
MIN VSBY LATE 10 10 10 9  
SUNSHINE HOURS N/A N/A N/A N/A  
CWR 90 20 20 0  
 
REMARKS...NONE.  
   
FORECAST FOR DAYS 3 THROUGH 7  
   
MONDAY NIGHT  
MOSTLY CLOUDY. LOWS IN THE MID 40S. NORTHWEST  
WINDS 10 TO 15 MPH.    
TUESDAY  
PARTLY SUNNY. HIGHS IN THE LOWER 60S. NORTH WINDS 5 TO  
10 MPH.    
TUESDAY NIGHT  
MOSTLY CLOUDY. LOWS IN THE MID 40S. EAST WINDS  
AROUND 5 MPH.    
WEDNESDAY  
MOSTLY CLOUDY WITH A CHANCE OF SHOWERS. HIGHS IN THE  
MID 50S. EAST WINDS 5 TO 10 MPH.    
WEDNESDAY NIGHT  
CLOUDY WITH SHOWERS LIKELY. LOWS IN THE MID  
40S. EAST WINDS 10 TO 15 MPH.    
THURSDAY AND THURSDAY NIGHT  
SHOWERS. LOWS IN THE MID 40S.  
HIGHS IN THE LOWER 50S. NORTH WINDS 10 TO 15 MPH.    
FRIDAY  
MOSTLY CLOUDY WITH SHOWERS LIKELY. HIGHS IN THE UPPER  
50S. NORTHWEST WINDS 5 TO 10 MPH.    
FRIDAY NIGHT AND SATURDAY  
MOSTLY CLOUDY. A CHANCE OF SHOWERS.  
LOWS IN THE MID 40S. HIGHS IN THE LOWER 60S. WEST WINDS 5 TO  
10 MPH.  
 
 
 
MAZ008-180800-  
WESTERN HAMPSHIRE MA-  
INCLUDING THE CITIES OF CHESTERFIELD, PLAINFIELD, WESTHAMPTON,  
WILLIAMSBURG, AND WORTHINGTON  
408 PM EDT SAT MAY 17 2025  
 
TONIGHT SUN SUN NIGHT MON  
 
CLOUD COVER PCLDY PCLDY PCLDY PCLDY  
PRECIP TYPE TSTMS SHOWERS SHOWERS NONE  
CHANCE PRECIP (%) 70 50 30 10  
CHANCE OF THUNDER (%) 60 0 0 0  
TEMP (24H TREND) 49 (-11) 64 (-12) 45 64  
RH % (24H TREND) 93 (-7) 54 (-8) 77 43  
20FT WND AM(MPH) W 9 G19 NW 13 G32  
20FT WND PM(MPH) SW 7 W 11 G22 NW 13 G26 NW 12 G27  
PRECIP AMOUNT 0.20 0.04 0.01 0.00  
PRECIP DURATION 2 3 2  
PRECIP BEGIN 6 PM 10 AM CONTINUING  
PRECIP END 11 PM CONTINUING 3 AM  
MIXING HGT (FT-AGL) 370 4580 1310 4990  
TRANSPORT WND (KTS) SW 10 W 20 NW 23 NW 24  
VENT RATE (KT-FT) 3700 91600 30130 119760  
MAX ADI EARLY 52 GEN GOOD 63 GOOD 63 GOOD 49 GEN GOOD  
MAX ADI LATE 20 GEN POOR 73 GOOD 33 FAIR 49 GEN GOOD  
MAX LVORI EARLY 4 2 3 1  
MAX LVORI LATE 4 2 3 1  
MIN VSBY EARLY 10 10 10 9  
MIN VSBY LATE 10 10 10 9  
SUNSHINE HOURS N/A N/A N/A N/A  
CWR 80 20 20 0  
 
REMARKS...NONE.  
   
FORECAST FOR DAYS 3 THROUGH 7  
   
MONDAY NIGHT  
PARTLY CLOUDY. LOWS IN THE LOWER 40S. NORTHWEST  
WINDS 10 TO 15 MPH.    
TUESDAY  
PARTLY SUNNY. HIGHS IN THE UPPER 50S. NORTH WINDS 5 TO  
10 MPH.    
TUESDAY NIGHT  
MOSTLY CLOUDY. LOWS IN THE MID 40S. EAST WINDS  
AROUND 5 MPH.    
WEDNESDAY THROUGH THURSDAY  
SHOWERS. LOWS IN THE LOWER 40S.  
HIGHS IN THE LOWER 50S. NORTHEAST WINDS 5 TO 10 MPH.    
THURSDAY NIGHT  
MOSTLY CLOUDY WITH SHOWERS LIKELY. LOWS IN THE  
LOWER 40S. NORTH WINDS 5 TO 10 MPH.    
FRIDAY AND FRIDAY NIGHT  
MOSTLY CLOUDY WITH A CHANCE OF  
SHOWERS. LOWS IN THE LOWER 40S. HIGHS IN THE MID 50S. WEST WINDS  
5 TO 10 MPH.    
SATURDAY  
PARTLY SUNNY WITH A CHANCE OF SHOWERS. HIGHS IN THE  
LOWER 60S. WEST WINDS 5 TO 10 MPH.  
 
 
 
MAZ010-180800-  
EASTERN HAMPSHIRE MA-  
INCLUDING THE CITIES OF AMHERST, BELCHERTOWN, NORTHAMPTON,  
SOUTHAMPTON, AND WARE  
408 PM EDT SAT MAY 17 2025  
 
TONIGHT SUN SUN NIGHT MON  
 
CLOUD COVER PCLDY PCLDY PCLDY PCLDY  
PRECIP TYPE TSTMS SHOWERS SHOWERS NONE  
CHANCE PRECIP (%) 50 40 30 10  
CHANCE OF THUNDER (%) 50 0 0 0  
TEMP (24H TREND) 53 (-9) 68 (-11) 49 68  
RH % (24H TREND) 96 (-4) 51 (-3) 71 42  
20FT WND AM(MPH) W 8 G18 NW 13 G28  
20FT WND PM(MPH) SW 6 W 11 G21 NW 11 G23 NW 13 G26  
PRECIP AMOUNT 0.22 0.01 0.00 0.00  
PRECIP DURATION 1 2  
PRECIP BEGIN 6 PM 11 AM  
PRECIP END 12 AM 6 PM  
MIXING HGT (FT-AGL) 340 5190 990 5540  
TRANSPORT WND (KTS) SW 8 W 18 NW 17 NW 22  
VENT RATE (KT-FT) 2720 93420 16830 121880  
MAX ADI EARLY 46 GEN GOOD 69 GOOD 45 GEN GOOD 45 GEN GOOD  
MAX ADI LATE 16 GEN POOR 60 GEN GOOD 24 FAIR 45 GEN GOOD  
MAX LVORI EARLY 5 1 2 1  
MAX LVORI LATE 5 1 2 1  
MIN VSBY EARLY 10 10 10 9  
MIN VSBY LATE 10 10 10 9  
SUNSHINE HOURS N/A N/A N/A N/A  
CWR 90 10 10 0  
 
REMARKS...NONE.  
   
FORECAST FOR DAYS 3 THROUGH 7  
   
MONDAY NIGHT  
PARTLY CLOUDY. LOWS IN THE MID 40S. NORTHWEST  
WINDS 10 TO 15 MPH.    
TUESDAY  
PARTLY SUNNY. HIGHS IN THE LOWER 60S. NORTH WINDS 5 TO  
10 MPH.    
TUESDAY NIGHT  
MOSTLY CLOUDY. LOWS IN THE UPPER 40S. EAST WINDS  
AROUND 5 MPH.    
WEDNESDAY  
MOSTLY CLOUDY WITH A CHANCE OF SHOWERS. HIGHS IN THE  
UPPER 50S. EAST WINDS 5 TO 10 MPH.    
WEDNESDAY NIGHT THROUGH THURSDAY NIGHT  
MOSTLY CLOUDY WITH  
SHOWERS LIKELY. LOWS IN THE MID 40S. HIGHS IN THE MID 50S. NORTH  
WINDS 10 TO 15 MPH.    
FRIDAY AND FRIDAY NIGHT  
MOSTLY CLOUDY WITH A CHANCE OF  
SHOWERS. LOWS IN THE MID 40S. HIGHS IN THE UPPER 50S. WEST WINDS  
5 TO 10 MPH.    
SATURDAY  
PARTLY SUNNY WITH A CHANCE OF SHOWERS. HIGHS IN THE  
MID 60S. WEST WINDS 5 TO 10 MPH.  
 
 
 
MAZ009-180800-  
WESTERN HAMPDEN MA-  
INCLUDING THE CITIES OF BLANDFORD, CHESTER, GRANVILLE,  
MONTGOMERY, RUSSELL, AND TOLLAND  
408 PM EDT SAT MAY 17 2025  
 
TONIGHT SUN SUN NIGHT MON  
 
CLOUD COVER PCLDY PCLDY PCLDY PCLDY  
PRECIP TYPE TSTMS SHOWERS SHOWERS NONE  
CHANCE PRECIP (%) 60 40 30 10  
CHANCE OF THUNDER (%) 60 0 0 0  
TEMP (24H TREND) 50 (-10) 65 (-12) 45 65  
RH % (24H TREND) 96 (-4) 54 (-6) 79 41  
20FT WND AM(MPH) W 9 G19 NW 14 G32  
20FT WND PM(MPH) SW 7 W 11 G21 NW 14 G25 NW 12 G28  
PRECIP AMOUNT 0.18 0.02 0.01 0.00  
PRECIP DURATION 2 3 1  
PRECIP BEGIN 6 PM 11 AM CONTINUING  
PRECIP END 11 PM CONTINUING 2 AM  
MIXING HGT (FT-AGL) 300 5120 1380 5130  
TRANSPORT WND (KTS) SW 8 W 20 NW 25 NW 24  
VENT RATE (KT-FT) 2400 102400 34500 123120  
MAX ADI EARLY 56 GEN GOOD 68 GOOD 66 GOOD 49 GEN GOOD  
MAX ADI LATE 19 GEN POOR 75 GOOD 33 FAIR 49 GEN GOOD  
MAX LVORI EARLY 5 1 3 1  
MAX LVORI LATE 5 1 3 1  
MIN VSBY EARLY 10 10 10 9  
MIN VSBY LATE 10 10 10 9  
SUNSHINE HOURS N/A N/A N/A N/A  
CWR 80 10 10 0  
 
REMARKS...NONE.  
   
FORECAST FOR DAYS 3 THROUGH 7  
   
MONDAY NIGHT  
PARTLY CLOUDY. LOWS IN THE LOWER 40S. NORTHWEST  
WINDS 10 TO 15 MPH.    
TUESDAY  
MOSTLY SUNNY. HIGHS IN THE LOWER 60S. NORTH WINDS 5 TO  
10 MPH.    
TUESDAY NIGHT  
MOSTLY CLOUDY. LOWS IN THE MID 40S. EAST WINDS  
AROUND 5 MPH.    
WEDNESDAY  
MOSTLY CLOUDY WITH SHOWERS LIKELY. HIGHS IN THE MID  
50S. EAST WINDS 5 TO 10 MPH.    
WEDNESDAY NIGHT  
CLOUDY WITH SHOWERS LIKELY. LOWS IN THE LOWER  
40S. EAST WINDS 5 TO 10 MPH.    
THURSDAY AND THURSDAY NIGHT  
MOSTLY CLOUDY WITH SHOWERS LIKELY.  
LOWS IN THE LOWER 40S. HIGHS IN THE LOWER 50S. NORTH WINDS 5 TO  
10 MPH.    
FRIDAY AND FRIDAY NIGHT  
MOSTLY CLOUDY WITH A CHANCE OF  
SHOWERS. LOWS IN THE MID 40S. HIGHS IN THE UPPER 50S. WEST WINDS  
5 TO 10 MPH.    
SATURDAY  
PARTLY SUNNY WITH A CHANCE OF SHOWERS. HIGHS IN THE  
LOWER 60S. WEST WINDS 5 TO 10 MPH.  
 
 
 
MAZ011-180800-  
EASTERN HAMPDEN MA-  
INCLUDING THE CITIES OF CHICOPEE, HOLLAND, PALMER, SOUTHWICK,  
SPRINGFIELD, AND WESTFIELD  
408 PM EDT SAT MAY 17 2025  
 
TONIGHT SUN SUN NIGHT MON  
 
CLOUD COVER PCLDY PCLDY PCLDY PCLDY  
PRECIP TYPE TSTMS SHOWERS SHOWERS NONE  
CHANCE PRECIP (%) 50 40 30 10  
CHANCE OF THUNDER (%) 50 0 0 0  
TEMP (24H TREND) 53 (-8) 69 (-11) 49 68  
RH % (24H TREND) 93 (-7) 49 (-2) 71 40  
20FT WND AM(MPH) W 9 G20 NW 13 G30  
20FT WND PM(MPH) SW 7 W 12 G23 NW 11 G23 NW 13 G27  
PRECIP AMOUNT 0.21 0.00 0.00 0.00  
PRECIP DURATION 1  
PRECIP BEGIN 6 PM  
PRECIP END 1 AM  
MIXING HGT (FT-AGL) 350 5370 1240 5620  
TRANSPORT WND (KTS) W 8 W 18 NW 19 NW 22  
VENT RATE (KT-FT) 2800 96660 23560 123640  
MAX ADI EARLY 44 GEN GOOD 75 GOOD 53 GEN GOOD 50 GEN GOOD  
MAX ADI LATE 23 FAIR 61 GOOD 28 FAIR 50 GEN GOOD  
MAX LVORI EARLY 5 1 2 1  
MAX LVORI LATE 5 1 2 1  
MIN VSBY EARLY 10 10 10 9  
MIN VSBY LATE 10 10 10 9  
SUNSHINE HOURS N/A N/A N/A N/A  
CWR 100 0  
 
REMARKS...NONE.  
   
FORECAST FOR DAYS 3 THROUGH 7  
   
MONDAY NIGHT  
PARTLY CLOUDY. LOWS IN THE MID 40S. NORTHWEST  
WINDS 10 TO 15 MPH.    
TUESDAY  
PARTLY SUNNY. HIGHS IN THE LOWER 60S. NORTH WINDS 5 TO  
10 MPH.    
TUESDAY NIGHT  
MOSTLY CLOUDY. LOWS IN THE UPPER 40S. EAST WINDS  
AROUND 5 MPH.    
WEDNESDAY  
MOSTLY CLOUDY WITH A CHANCE OF SHOWERS. HIGHS IN THE  
UPPER 50S. EAST WINDS 5 TO 10 MPH.    
WEDNESDAY NIGHT  
CLOUDY WITH SHOWERS LIKELY. LOWS IN THE MID  
40S. EAST WINDS 10 TO 15 MPH.    
THURSDAY AND THURSDAY NIGHT  
MOSTLY CLOUDY WITH SHOWERS LIKELY.  
LOWS IN THE MID 40S. HIGHS IN THE MID 50S. NORTH WINDS 10 TO  
15 MPH.    
FRIDAY AND FRIDAY NIGHT  
MOSTLY CLOUDY WITH A CHANCE OF  
SHOWERS. LOWS IN THE MID 40S. HIGHS IN THE UPPER 50S. WEST WINDS  
5 TO 10 MPH.    
SATURDAY  
PARTLY SUNNY WITH A CHANCE OF SHOWERS. HIGHS IN THE  
MID 60S. WEST WINDS 5 TO 10 MPH.  
 
 
 
CTZ002-180800-  
HARTFORD CT-  
INCLUDING THE CITIES OF HARTFORD, GLASTONBURY, GRANBY,  
SOUTHINGTON, AND WINDSOR LOCKS  
408 PM EDT SAT MAY 17 2025  
 
TONIGHT SUN SUN NIGHT MON  
 
CLOUD COVER PCLDY PCLDY PCLDY MCLEAR  
PRECIP TYPE TSTMS SHOWERS SHOWERS NONE  
CHANCE PRECIP (%) 40 30 20 10  
CHANCE OF THUNDER (%) 40 0 0 0  
TEMP (24H TREND) 53 (-8) 70 (-10) 48 70  
RH % (24H TREND) 93 (-7) 47 (-9) 74 39  
20FT WND AM(MPH) W 7 G18 NW 12 G30  
20FT WND PM(MPH) SW 6 W 10 G22 NW 11 G23 NW 13 G27  
PRECIP AMOUNT 0.16 0.00 0.00 0.00  
PRECIP DURATION 1  
PRECIP BEGIN 6 PM  
PRECIP END 12 AM  
MIXING HGT (FT-AGL) 290 5310 540 6050  
TRANSPORT WND (KTS) W 9 W 18 NW 16 NW 22  
VENT RATE (KT-FT) 2610 95580 8640 133100  
MAX ADI EARLY 30 FAIR 92 GOOD 65 GOOD 64 GOOD  
MAX ADI LATE 18 GEN POOR 71 GOOD 33 FAIR 64 GOOD  
MAX LVORI EARLY 4 1 3 1  
MAX LVORI LATE 4 1 3 1  
MIN VSBY EARLY 10 10 10 9  
MIN VSBY LATE 10 10 10 9  
SUNSHINE HOURS N/A N/A N/A N/A  
CWR 90 0  
 
REMARKS...NONE.  
   
FORECAST FOR DAYS 3 THROUGH 7  
   
MONDAY NIGHT  
PARTLY CLOUDY. LOWS IN THE UPPER 40S. NORTHWEST  
WINDS 10 TO 15 MPH.    
TUESDAY  
MOSTLY SUNNY. HIGHS IN THE MID 60S. NORTH WINDS 5 TO  
10 MPH.    
TUESDAY NIGHT  
MOSTLY CLOUDY. LOWS IN THE UPPER 40S. EAST WINDS  
AROUND 5 MPH.    
WEDNESDAY  
MOSTLY CLOUDY WITH A CHANCE OF SHOWERS. HIGHS IN THE  
UPPER 50S. EAST WINDS 5 TO 10 MPH.    
WEDNESDAY NIGHT  
CLOUDY WITH SHOWERS LIKELY. LOWS IN THE MID  
40S. EAST WINDS 5 TO 10 MPH.    
THURSDAY AND THURSDAY NIGHT  
MOSTLY CLOUDY WITH SHOWERS LIKELY.  
LOWS IN THE MID 40S. HIGHS IN THE MID 50S. NORTH WINDS 5 TO  
10 MPH.    
FRIDAY AND FRIDAY NIGHT  
MOSTLY CLOUDY WITH A CHANCE OF  
SHOWERS. LOWS IN THE MID 40S. HIGHS AROUND 60. WEST WINDS 5 TO  
10 MPH.    
SATURDAY  
PARTLY SUNNY WITH A CHANCE OF SHOWERS. HIGHS IN THE  
MID 60S. WEST WINDS 5 TO 10 MPH.  
 
 
 
CTZ003-180800-  
TOLLAND CT-  
INCLUDING THE CITIES OF MANSFIELD, STAFFORD SPRINGS, AND VERNON  
408 PM EDT SAT MAY 17 2025  
 
TONIGHT SUN SUN NIGHT MON  
 
CLOUD COVER PCLDY PCLDY PCLDY PCLDY  
PRECIP TYPE TSTMS SHOWERS SHOWERS NONE  
CHANCE PRECIP (%) 30 30 30 10  
CHANCE OF THUNDER (%) 20 0 0 0  
TEMP (24H TREND) 53 (-7) 69 (-9) 48 69  
RH % (24H TREND) 93 (-7) 47 (-9) 74 42  
20FT WND AM(MPH) W 8 G20 NW 12 G29  
20FT WND PM(MPH) SW 6 W 11 G23 NW 11 G23 NW 13 G27  
PRECIP AMOUNT 0.19 0.00 0.00 0.00  
PRECIP DURATION 1  
PRECIP BEGIN 6 PM  
PRECIP END 12 AM  
MIXING HGT (FT-AGL) 280 5100 530 5410  
TRANSPORT WND (KTS) W 9 W 18 NW 16 NW 22  
VENT RATE (KT-FT) 2520 91800 8480 119020  
MAX ADI EARLY 24 FAIR 96 GOOD 59 GEN GOOD 58 GEN GOOD  
MAX ADI LATE 15 GEN POOR 61 GOOD 36 FAIR 58 GEN GOOD  
MAX LVORI EARLY 5 1 3 1  
MAX LVORI LATE 5 1 3 1  
MIN VSBY EARLY 10 10 10 9  
MIN VSBY LATE 10 10 10 9  
SUNSHINE HOURS N/A N/A N/A N/A  
CWR 90 0  
 
REMARKS...NONE.  
   
FORECAST FOR DAYS 3 THROUGH 7  
   
MONDAY NIGHT  
PARTLY CLOUDY. LOWS IN THE MID 40S. NORTHWEST  
WINDS 10 TO 15 MPH.    
TUESDAY  
MOSTLY SUNNY. HIGHS IN THE LOWER 60S. NORTH WINDS 5 TO  
10 MPH.    
TUESDAY NIGHT  
MOSTLY CLOUDY. LOWS IN THE MID 40S. EAST WINDS  
AROUND 5 MPH.    
WEDNESDAY  
MOSTLY CLOUDY WITH A CHANCE OF SHOWERS. HIGHS IN THE  
UPPER 50S. EAST WINDS 5 TO 10 MPH.    
WEDNESDAY NIGHT  
CLOUDY WITH SHOWERS LIKELY. LOWS IN THE MID  
40S. EAST WINDS 5 TO 10 MPH.    
THURSDAY AND THURSDAY NIGHT  
MOSTLY CLOUDY WITH SHOWERS LIKELY.  
LOWS IN THE MID 40S. HIGHS IN THE MID 50S. NORTH WINDS 5 TO  
10 MPH.    
FRIDAY AND FRIDAY NIGHT  
MOSTLY CLOUDY WITH A CHANCE OF  
SHOWERS. LOWS IN THE MID 40S. HIGHS IN THE UPPER 50S. WEST WINDS  
5 TO 10 MPH.    
SATURDAY  
PARTLY SUNNY WITH A CHANCE OF SHOWERS. HIGHS IN THE  
MID 60S. WEST WINDS 5 TO 10 MPH.  
 
 
 
CTZ004-180800-  
WINDHAM CT-  
INCLUDING THE CITIES OF ASHFORD, PLAINFIELD, PUTNAM,  
AND WILLIMANTIC  
408 PM EDT SAT MAY 17 2025  
 
TONIGHT SUN SUN NIGHT MON  
 
CLOUD COVER PCLDY PCLDY PCLDY PCLDY  
PRECIP TYPE TSTMS SHOWERS SHOWERS NONE  
CHANCE PRECIP (%) 20 30 30 10  
CHANCE OF THUNDER (%) 20 0 0 0  
TEMP (24H TREND) 54 (-6) 71 (-6) 49 70  
RH % (24H TREND) 93 (-7) 47 (-17) 71 42  
20FT WND AM(MPH) W 7 G19 NW 11 G28  
20FT WND PM(MPH) SW 5 W 9 G21 NW 9 G22 NW 12 G26  
PRECIP AMOUNT 0.11 0.00 0.00 0.00  
PRECIP DURATION 1  
PRECIP BEGIN 6 PM  
PRECIP END 12 AM  
MIXING HGT (FT-AGL) 200 5190 1090 5090  
TRANSPORT WND (KTS) W 10 W 18 NW 20 NW 23  
VENT RATE (KT-FT) 2000 93420 21800 117070  
MAX ADI EARLY 19 GEN POOR 94 GOOD 52 GEN GOOD 52 GEN GOOD  
MAX ADI LATE 8 POOR 63 GOOD 27 FAIR 52 GEN GOOD  
MAX LVORI EARLY 5 1 3 1  
MAX LVORI LATE 5 1 3 1  
MIN VSBY EARLY 9 10 10 9  
MIN VSBY LATE 8 10 10 9  
SUNSHINE HOURS N/A N/A N/A N/A  
CWR 60 0  
 
REMARKS...NONE.  
   
FORECAST FOR DAYS 3 THROUGH 7  
   
MONDAY NIGHT  
PARTLY CLOUDY. LOWS IN THE MID 40S. NORTHWEST  
WINDS 10 TO 15 MPH.    
TUESDAY  
PARTLY SUNNY. HIGHS IN THE LOWER 60S. NORTH WINDS 5 TO  
10 MPH.    
TUESDAY NIGHT  
MOSTLY CLOUDY. LOWS IN THE MID 40S. NORTHEAST  
WINDS AROUND 5 MPH.    
WEDNESDAY  
MOSTLY CLOUDY WITH A CHANCE OF SHOWERS. HIGHS IN THE  
UPPER 50S. EAST WINDS 5 TO 10 MPH.    
WEDNESDAY NIGHT  
MOSTLY CLOUDY WITH SHOWERS LIKELY. LOWS IN THE  
MID 40S. EAST WINDS 5 TO 10 MPH.    
THURSDAY AND THURSDAY NIGHT  
MOSTLY CLOUDY WITH SHOWERS LIKELY.  
LOWS IN THE MID 40S. HIGHS IN THE MID 50S. NORTH WINDS 5 TO  
10 MPH.    
FRIDAY AND FRIDAY NIGHT  
MOSTLY CLOUDY WITH A CHANCE OF  
SHOWERS. LOWS IN THE MID 40S. HIGHS IN THE UPPER 50S. WEST WINDS  
5 TO 10 MPH.    
SATURDAY  
PARTLY SUNNY WITH A CHANCE OF SHOWERS. HIGHS IN THE  
MID 60S. WEST WINDS 5 TO 10 MPH.  
 
 
 
RIZ001-180800-  
NORTHWEST PROVIDENCE RI-  
INCLUDING THE CITIES OF CUMBERLAND, FOSTER, GLOCESTER,  
AND SMITHFIELD  
408 PM EDT SAT MAY 17 2025  
 
TONIGHT SUN SUN NIGHT MON  
 
CLOUD COVER PCLDY PCLDY PCLDY PCLDY  
PRECIP TYPE TSTMS SHOWERS SHOWERS NONE  
CHANCE PRECIP (%) 20 30 30 10  
CHANCE OF THUNDER (%) 0 0 0 0  
TEMP (24H TREND) 55 (-4) 70 (-6) 50 68  
RH % (24H TREND) 93 (-7) 46 (-18) 69 43  
20FT WND AM(MPH) W 7 G17 NW 12 G28  
20FT WND PM(MPH) LGT/VAR W 9 G20 NW 9 G21 NW 11 G23  
PRECIP AMOUNT 0.04 0.00 0.00 0.00  
PRECIP DURATION 1  
PRECIP BEGIN 7 PM  
PRECIP END 12 AM  
MIXING HGT (FT-AGL) 310 5990 1390 5080  
TRANSPORT WND (KTS) SW 10 W 18 NW 22 NW 22  
VENT RATE (KT-FT) 3100 107820 30580 111760  
MAX ADI EARLY 23 FAIR 88 GOOD 57 GEN GOOD 53 GEN GOOD  
MAX ADI LATE 8 POOR 66 GOOD 28 FAIR 53 GEN GOOD  
MAX LVORI EARLY 5 1 2 1  
MAX LVORI LATE 5 1 2 1  
MIN VSBY EARLY 6 FOG 10 10 9  
MIN VSBY LATE 3 FOG 10 10 9  
SUNSHINE HOURS N/A N/A N/A N/A  
CWR 20 0  
 
REMARKS...NONE.  
   
FORECAST FOR DAYS 3 THROUGH 7  
   
MONDAY NIGHT  
PARTLY CLOUDY. LOWS IN THE UPPER 40S. NORTHWEST  
WINDS 5 TO 10 MPH.    
TUESDAY AND TUESDAY NIGHT  
MOSTLY CLOUDY. LOWS IN THE UPPER  
40S. HIGHS IN THE LOWER 60S. NORTHEAST WINDS 5 TO 10 MPH.    
WEDNESDAY  
MOSTLY CLOUDY WITH A CHANCE OF SHOWERS. HIGHS IN THE  
MID 50S. EAST WINDS 5 TO 10 MPH.    
WEDNESDAY NIGHT  
MOSTLY CLOUDY WITH SHOWERS LIKELY. LOWS IN THE  
MID 40S. EAST WINDS 5 TO 10 MPH.    
THURSDAY AND THURSDAY NIGHT  
MOSTLY CLOUDY WITH SHOWERS LIKELY.  
LOWS IN THE MID 40S. HIGHS IN THE MID 50S. NORTH WINDS 5 TO  
10 MPH.    
FRIDAY AND FRIDAY NIGHT  
MOSTLY CLOUDY WITH A CHANCE OF  
SHOWERS. LOWS IN THE MID 40S. HIGHS IN THE UPPER 50S. WEST WINDS  
5 TO 10 MPH.    
SATURDAY  
PARTLY SUNNY WITH A CHANCE OF SHOWERS. HIGHS IN THE  
MID 60S. WEST WINDS 5 TO 10 MPH.  
 
 
 
RIZ002-180800-  
SOUTHEAST PROVIDENCE RI-  
INCLUDING THE CITIES OF CRANSTON, JOHNSTON, PAWTUCKET,  
AND PROVIDENCE  
408 PM EDT SAT MAY 17 2025  
 
TONIGHT SUN SUN NIGHT MON  
 
CLOUD COVER PCLDY PCLDY PCLDY PCLDY  
PRECIP TYPE TSTMS SHOWERS SHOWERS NONE  
CHANCE PRECIP (%) 20 30 20 10  
CHANCE OF THUNDER (%) 0 0 0 0  
TEMP (24H TREND) 56 (-3) 71 (-4) 51 70  
RH % (24H TREND) 97 (-3) 46 (-18) 67 42  
20FT WND AM(MPH) NW 7 NW 12 G25  
20FT WND PM(MPH) SW 5 NW 9 G18 NW 9 G18 NW 11 G23  
PRECIP AMOUNT 0.00 0.00 0.00 0.00  
PRECIP DURATION  
PRECIP BEGIN  
PRECIP END  
MIXING HGT (FT-AGL) 240 6540 1420 5410  
TRANSPORT WND (KTS) W 7 W 17 W 19 NW 23  
VENT RATE (KT-FT) 1680 111180 26980 124430  
MAX ADI EARLY 16 GEN POOR 83 GOOD 69 GOOD 52 GEN GOOD  
MAX ADI LATE 5 VERY POOR 80 GOOD 29 FAIR 52 GEN GOOD  
MAX LVORI EARLY 5 1 2 1  
MAX LVORI LATE 5 1 2 1  
MIN VSBY EARLY 5 FOG 10 10 9  
MIN VSBY LATE 5 FOG 10 10 9  
SUNSHINE HOURS N/A N/A N/A N/A  
CWR 0  
 
REMARKS...NONE.  
   
FORECAST FOR DAYS 3 THROUGH 7  
   
MONDAY NIGHT  
PARTLY CLOUDY. LOWS IN THE UPPER 40S. NORTHWEST  
WINDS 5 TO 10 MPH.    
TUESDAY AND TUESDAY NIGHT  
MOSTLY CLOUDY. LOWS IN THE UPPER  
40S. HIGHS IN THE LOWER 60S. NORTHEAST WINDS 5 TO 10 MPH.    
WEDNESDAY  
MOSTLY CLOUDY WITH A CHANCE OF SHOWERS. HIGHS IN THE  
UPPER 50S. EAST WINDS 5 TO 10 MPH.    
WEDNESDAY NIGHT  
MOSTLY CLOUDY WITH SHOWERS LIKELY. LOWS IN THE  
UPPER 40S. EAST WINDS 5 TO 10 MPH.    
THURSDAY AND THURSDAY NIGHT  
MOSTLY CLOUDY WITH SHOWERS LIKELY.  
LOWS IN THE UPPER 40S. HIGHS IN THE UPPER 50S. NORTH WINDS 10 TO  
15 MPH.    
FRIDAY AND FRIDAY NIGHT  
MOSTLY CLOUDY WITH A CHANCE OF  
SHOWERS. LOWS IN THE UPPER 40S. HIGHS IN THE UPPER 50S. WEST  
WINDS 5 TO 10 MPH.    
SATURDAY  
PARTLY SUNNY WITH A CHANCE OF SHOWERS. HIGHS IN THE  
MID 60S. WEST WINDS 5 TO 10 MPH.  
 
 
 
RIZ003-180800-  
WESTERN KENT RI-  
INCLUDING THE CITIES OF COVENTRY AND WEST GREENWICH  
408 PM EDT SAT MAY 17 2025  
 
TONIGHT SUN SUN NIGHT MON  
 
CLOUD COVER PCLDY PCLDY PCLDY PCLDY  
PRECIP TYPE TSTMS SHOWERS SHOWERS NONE  
CHANCE PRECIP (%) 20 30 20 10  
CHANCE OF THUNDER (%) 0 0 0 0  
TEMP (24H TREND) 55 (-4) 70 (-4) 50 69  
RH % (24H TREND) 93 (-7) 47 (-19) 68 42  
20FT WND AM(MPH) W 7 G17 NW 11 G27  
20FT WND PM(MPH) SW 5 W 9 G19 NW 9 G19 NW 11 G23  
PRECIP AMOUNT 0.01 0.00 0.00 0.00  
PRECIP DURATION 1  
PRECIP BEGIN 7 PM  
PRECIP END 12 AM  
MIXING HGT (FT-AGL) 140 6130 540 4940  
TRANSPORT WND (KTS) SW 6 W 17 NW 18 NW 21  
VENT RATE (KT-FT) 840 104210 9720 103740  
MAX ADI EARLY 12 POOR 101 VERY GOOD63 GOOD 44 GEN GOOD  
MAX ADI LATE 8 POOR 79 GOOD 28 FAIR 44 GEN GOOD  
MAX LVORI EARLY 5 1 2 1  
MAX LVORI LATE 5 1 2 1  
MIN VSBY EARLY 6 FOG 10 10 9  
MIN VSBY LATE 4 FOG 10 10 9  
SUNSHINE HOURS N/A N/A N/A N/A  
CWR 0  
 
REMARKS...NONE.  
   
FORECAST FOR DAYS 3 THROUGH 7  
   
MONDAY NIGHT  
PARTLY CLOUDY. LOWS IN THE UPPER 40S. NORTHWEST  
WINDS 5 TO 10 MPH.    
TUESDAY AND TUESDAY NIGHT  
MOSTLY CLOUDY. LOWS IN THE UPPER  
40S. HIGHS IN THE LOWER 60S. NORTHEAST WINDS 5 TO 10 MPH.    
WEDNESDAY  
MOSTLY CLOUDY WITH A CHANCE OF SHOWERS. HIGHS IN THE  
UPPER 50S. EAST WINDS 5 TO 10 MPH.    
WEDNESDAY NIGHT  
MOSTLY CLOUDY WITH SHOWERS LIKELY. LOWS IN THE  
MID 40S. EAST WINDS 5 TO 10 MPH.    
THURSDAY AND THURSDAY NIGHT  
MOSTLY CLOUDY WITH SHOWERS LIKELY.  
LOWS IN THE MID 40S. HIGHS IN THE MID 50S. NORTH WINDS 5 TO  
10 MPH.    
FRIDAY AND FRIDAY NIGHT  
MOSTLY CLOUDY WITH A CHANCE OF  
SHOWERS. LOWS IN THE MID 40S. HIGHS IN THE UPPER 50S. WEST WINDS  
5 TO 10 MPH.    
SATURDAY  
PARTLY SUNNY WITH A CHANCE OF SHOWERS. HIGHS IN THE  
MID 60S. WEST WINDS 5 TO 10 MPH.  
 
 
 
RIZ004-180800-  
EASTERN KENT RI-  
INCLUDING THE CITIES OF EAST GREENWICH, WARWICK, AND WEST WARWICK  
408 PM EDT SAT MAY 17 2025  
 
TONIGHT SUN SUN NIGHT MON  
 
CLOUD COVER PCLDY PCLDY PCLDY PCLDY  
PRECIP TYPE TSTMS SHOWERS SHOWERS NONE  
CHANCE PRECIP (%) 20 20 20 10  
CHANCE OF THUNDER (%) 0 0 0 0  
TEMP (24H TREND) 56 (-3) 72 (-1) 52 71  
RH % (24H TREND) 93 (-7) 44 (-22) 67 40  
20FT WND AM(MPH) W 8 NW 12 G25  
20FT WND PM(MPH) SW 6 W 11 G18 W 10 G17 NW 11 G21  
PRECIP AMOUNT 0.00 0.00 0.00 0.00  
PRECIP DURATION  
PRECIP BEGIN  
PRECIP END  
MIXING HGT (FT-AGL) 150 6520 1070 5380  
TRANSPORT WND (KTS) SW 6 W 16 NW 19 NW 21  
VENT RATE (KT-FT) 900 104320 20330 112980  
MAX ADI EARLY 13 GEN POOR 80 GOOD 64 GOOD 45 GEN GOOD  
MAX ADI LATE 6 VERY POOR 75 GOOD 27 FAIR 45 GEN GOOD  
MAX LVORI EARLY 5 1 2 1  
MAX LVORI LATE 5 1 2 1  
MIN VSBY EARLY 5 FOG 10 10 9  
MIN VSBY LATE 4 FOG 10 10 9  
SUNSHINE HOURS N/A N/A N/A N/A  
CWR 0  
 
REMARKS...NONE.  
   
FORECAST FOR DAYS 3 THROUGH 7  
   
MONDAY NIGHT  
PARTLY CLOUDY. LOWS IN THE UPPER 40S. NORTHWEST  
WINDS 5 TO 10 MPH.    
TUESDAY AND TUESDAY NIGHT  
MOSTLY CLOUDY. LOWS IN THE UPPER  
40S. HIGHS IN THE LOWER 60S. NORTHEAST WINDS 5 TO 10 MPH.    
WEDNESDAY  
MOSTLY CLOUDY WITH A CHANCE OF SHOWERS. HIGHS IN THE  
UPPER 50S. EAST WINDS 5 TO 10 MPH.    
WEDNESDAY NIGHT  
MOSTLY CLOUDY WITH SHOWERS LIKELY. LOWS IN THE  
UPPER 40S. EAST WINDS 5 TO 10 MPH.    
THURSDAY AND THURSDAY NIGHT  
MOSTLY CLOUDY WITH SHOWERS LIKELY.  
LOWS IN THE UPPER 40S. HIGHS IN THE UPPER 50S. NORTH WINDS 10 TO  
15 MPH.    
FRIDAY AND FRIDAY NIGHT  
MOSTLY CLOUDY WITH A CHANCE OF  
SHOWERS. LOWS IN THE UPPER 40S. HIGHS AROUND 60. WEST WINDS 5 TO  
10 MPH.    
SATURDAY  
PARTLY SUNNY. HIGHS IN THE MID 60S. WEST WINDS 5 TO  
10 MPH.  
 
 
 
RIZ005-180800-  
BRISTOL RI-  
INCLUDING THE CITIES OF BARRINGTON, BRISTOL, AND WARREN  
408 PM EDT SAT MAY 17 2025  
 
TONIGHT SUN SUN NIGHT MON  
 
CLOUD COVER PCLDY PCLDY PCLDY PCLDY  
PRECIP TYPE TSTMS SHOWERS SHOWERS NONE  
CHANCE PRECIP (%) 20 30 20 10  
CHANCE OF THUNDER (%) 0 0 0 0  
TEMP (24H TREND) 57 (-2) 72 (+1) 53 70  
RH % (24H TREND) 93 (-7) 46 (-27) 70 43  
20FT WND AM(MPH) W 9 NW 13 G25  
20FT WND PM(MPH) S 8 W 11 G18 W 12 G18 NW 11 G21  
PRECIP AMOUNT 0.01 0.00 0.00 0.00  
PRECIP DURATION 0  
PRECIP BEGIN 8 PM  
PRECIP END 12 AM  
MIXING HGT (FT-AGL) 200 6700 1450 5400  
TRANSPORT WND (KTS) SW 7 W 16 W 19 NW 22  
VENT RATE (KT-FT) 1400 107200 27550 118800  
MAX ADI EARLY 14 GEN POOR 75 GOOD 64 GOOD 50 GEN GOOD  
MAX ADI LATE 8 POOR 77 GOOD 32 FAIR 50 GEN GOOD  
MAX LVORI EARLY 4 1 2 1  
MAX LVORI LATE 4 1 2 1  
MIN VSBY EARLY 5 FOG 10 10 9  
MIN VSBY LATE 3 FOG 10 10 9  
SUNSHINE HOURS N/A N/A N/A N/A  
CWR 0  
 
REMARKS...NONE.  
   
FORECAST FOR DAYS 3 THROUGH 7  
   
MONDAY NIGHT  
PARTLY CLOUDY. LOWS IN THE UPPER 40S. NORTHWEST  
WINDS 5 TO 10 MPH.    
TUESDAY AND TUESDAY NIGHT  
MOSTLY CLOUDY. LOWS IN THE UPPER  
40S. HIGHS IN THE LOWER 60S. NORTHEAST WINDS 5 TO 10 MPH.    
WEDNESDAY  
MOSTLY CLOUDY WITH A CHANCE OF SHOWERS. HIGHS IN THE  
UPPER 50S. EAST WINDS 5 TO 10 MPH.    
WEDNESDAY NIGHT  
MOSTLY CLOUDY WITH SHOWERS LIKELY. LOWS IN THE  
UPPER 40S. EAST WINDS 10 TO 15 MPH.    
THURSDAY AND THURSDAY NIGHT  
MOSTLY CLOUDY WITH SHOWERS LIKELY.  
LOWS IN THE UPPER 40S. HIGHS IN THE UPPER 50S. NORTH WINDS 10 TO  
15 MPH.    
FRIDAY AND FRIDAY NIGHT  
MOSTLY CLOUDY WITH A CHANCE OF  
SHOWERS. LOWS IN THE UPPER 40S. HIGHS IN THE UPPER 50S. WEST  
WINDS 5 TO 10 MPH.    
SATURDAY  
MOSTLY SUNNY. HIGHS IN THE MID 60S. WEST WINDS 5 TO  
10 MPH.  
 
 
 
RIZ006-180800-  
WASHINGTON RI-  
INCLUDING THE CITIES OF KINGSTON, NARRAGANSETT, RICHMOND,  
AND WESTERLY  
408 PM EDT SAT MAY 17 2025  
 
TONIGHT SUN SUN NIGHT MON  
 
CLOUD COVER PCLDY PCLDY PCLDY MCLEAR  
PRECIP TYPE NONE SHOWERS SHOWERS NONE  
CHANCE PRECIP (%) 20 20 20 10  
CHANCE OF THUNDER (%) 0 0 0 0  
TEMP (24H TREND) 55 (-2) 71 (+1) 50 70  
RH % (24H TREND) 100 (0) 47 (-24) 72 41  
20FT WND AM(MPH) W 7 G17 NW 11 G26  
20FT WND PM(MPH) SW 6 W 10 G19 W 9 G19 NW 10 G23  
PRECIP AMOUNT 0.00 0.00 0.00 0.00  
PRECIP DURATION  
PRECIP BEGIN  
PRECIP END  
MIXING HGT (FT-AGL) 70 6020 720 5020  
TRANSPORT WND (KTS) SW 7 W 17 W 19 NW 21  
VENT RATE (KT-FT) 490 102340 13680 105420  
MAX ADI EARLY 9 POOR 72 GOOD 55 GEN GOOD 59 GEN GOOD  
MAX ADI LATE 6 VERY POOR 74 GOOD 28 FAIR 59 GEN GOOD  
MAX LVORI EARLY 5 1 3 1  
MAX LVORI LATE 5 1 3 1  
MIN VSBY EARLY 2 FOG 10 10 9  
MIN VSBY LATE 3 FOG 10 10 9  
SUNSHINE HOURS N/A N/A N/A N/A  
CWR 0 0  
 
REMARKS...NONE.  
   
FORECAST FOR DAYS 3 THROUGH 7  
   
MONDAY NIGHT  
PARTLY CLOUDY. LOWS IN THE UPPER 40S. NORTHWEST  
WINDS 5 TO 10 MPH.    
TUESDAY  
MOSTLY SUNNY. HIGHS IN THE LOWER 60S. NORTH WINDS 5 TO  
10 MPH.    
TUESDAY NIGHT  
MOSTLY CLOUDY. LOWS IN THE UPPER 40S. NORTHEAST  
WINDS 5 TO 10 MPH.    
WEDNESDAY  
MOSTLY CLOUDY WITH A CHANCE OF SHOWERS. HIGHS IN THE  
UPPER 50S. EAST WINDS 10 TO 15 MPH.    
WEDNESDAY NIGHT  
MOSTLY CLOUDY WITH SHOWERS LIKELY. LOWS IN THE  
UPPER 40S. EAST WINDS 10 TO 15 MPH.    
THURSDAY AND THURSDAY NIGHT  
MOSTLY CLOUDY WITH SHOWERS LIKELY.  
LOWS IN THE UPPER 40S. HIGHS IN THE UPPER 50S. NORTH WINDS 10 TO  
15 MPH.    
FRIDAY AND FRIDAY NIGHT  
MOSTLY CLOUDY. A CHANCE OF SHOWERS.  
LOWS IN THE UPPER 40S. HIGHS IN THE UPPER 50S. WEST WINDS 10 TO  
15 MPH.    
SATURDAY  
MOSTLY SUNNY. HIGHS IN THE MID 60S. WEST WINDS 5 TO  
10 MPH.  
 
 
 
RIZ007-180800-  
NEWPORT RI-  
INCLUDING THE CITIES OF NEWPORT, PORTSMOUTH, AND TIVERTON  
408 PM EDT SAT MAY 17 2025  
 
TONIGHT SUN SUN NIGHT MON  
 
CLOUD COVER PCLDY PCLDY PCLDY PCLDY  
PRECIP TYPE NONE SHOWERS SHOWERS NONE  
CHANCE PRECIP (%) 10 30 20 10  
CHANCE OF THUNDER (%) 0 0 0 0  
TEMP (24H TREND) 57 (-1) 71 (+3) 53 70  
RH % (24H TREND) 100 (0) 47 (-26) 70 45  
20FT WND AM(MPH) W 7 G17 NW 11 G25  
20FT WND PM(MPH) S 6 W 9 G20 W 9 G19 NW 11 G20  
PRECIP AMOUNT 0.00 0.00 0.00 0.00  
PRECIP DURATION  
PRECIP BEGIN  
PRECIP END  
MIXING HGT (FT-AGL) 90 5830 270 5310  
TRANSPORT WND (KTS) SW 7 W 16 W 15 NW 21  
VENT RATE (KT-FT) 630 93280 4050 111510  
MAX ADI EARLY 8 POOR 68 GOOD 26 FAIR 50 GEN GOOD  
MAX ADI LATE 6 VERY POOR 66 GOOD 32 FAIR 50 GEN GOOD  
MAX LVORI EARLY 5 2 2 1  
MAX LVORI LATE 5 2 2 1  
MIN VSBY EARLY 0 FOG 10 10 9  
MIN VSBY LATE 3 FOG 10 10 9  
SUNSHINE HOURS N/A N/A N/A N/A  
CWR 0 0  
 
REMARKS...NONE.  
   
FORECAST FOR DAYS 3 THROUGH 7  
   
MONDAY NIGHT  
PARTLY CLOUDY. LOWS AROUND 50. NORTHWEST WINDS  
10 TO 15 MPH.    
TUESDAY AND TUESDAY NIGHT  
MOSTLY CLOUDY. LOWS AROUND 50. HIGHS  
IN THE LOWER 60S. NORTHEAST WINDS 5 TO 10 MPH.    
WEDNESDAY  
MOSTLY CLOUDY WITH A CHANCE OF SHOWERS. HIGHS IN THE  
UPPER 50S. EAST WINDS 10 TO 15 MPH.    
WEDNESDAY NIGHT  
MOSTLY CLOUDY WITH SHOWERS LIKELY. LOWS IN THE  
UPPER 40S. EAST WINDS 10 TO 15 MPH.    
THURSDAY AND THURSDAY NIGHT  
MOSTLY CLOUDY WITH SHOWERS LIKELY.  
LOWS IN THE UPPER 40S. HIGHS IN THE UPPER 50S. NORTH WINDS 10 TO  
15 MPH.    
FRIDAY AND FRIDAY NIGHT  
MOSTLY CLOUDY. A CHANCE OF SHOWERS.  
LOWS IN THE UPPER 40S. HIGHS IN THE UPPER 50S. WEST WINDS 10 TO  
15 MPH.    
SATURDAY  
MOSTLY SUNNY. HIGHS IN THE MID 60S. WEST WINDS 5 TO  
10 MPH.  
 
 
 
RIZ008-180800-  
BLOCK ISLAND RI-  
INCLUDING THE CITY OF NEW SHOREHAM  
408 PM EDT SAT MAY 17 2025  
 
TONIGHT SUN SUN NIGHT MON  
 
CLOUD COVER PCLDY MCLEAR PCLDY MCLEAR  
PRECIP TYPE NONE NONE SHOWERS NONE  
CHANCE PRECIP (%) 10 20 20 10  
CHANCE OF THUNDER (%) 0 0 0 0  
TEMP (24H TREND) 55 (-1) 65 (+1) 52 65  
RH % (24H TREND) 100 (0) 63 (-5) 75 56  
20FT WND AM(MPH) W 10 G18 NW 12 G25  
20FT WND PM(MPH) SW 9 W 13 G20 W 12 G21 NW 11 G19  
PRECIP AMOUNT 0.00 0.00 0.00 0.00  
PRECIP DURATION  
PRECIP BEGIN  
PRECIP END  
MIXING HGT (FT-AGL) 30 290 90 2520  
TRANSPORT WND (KTS) SW 13 W 16 W 14 NW 21  
VENT RATE (KT-FT) 390 4640 1260 52920  
MAX ADI EARLY 15 GEN POOR 16 GEN POOR 37 FAIR 78 GOOD  
MAX ADI LATE 12 POOR 17 GEN POOR 38 FAIR 78 GOOD  
MAX LVORI EARLY 5 3 3 1  
MAX LVORI LATE 5 3 3 1  
MIN VSBY EARLY 2 FOG 10 10 9  
MIN VSBY LATE 10 10 10 9  
SUNSHINE HOURS N/A N/A N/A N/A  
CWR 0 0 0  
 
REMARKS...NONE.  
   
FORECAST FOR DAYS 3 THROUGH 7  
   
MONDAY NIGHT  
PARTLY CLOUDY. LOWS IN THE LOWER 50S. NORTHWEST  
WINDS AROUND 10 MPH.    
TUESDAY  
MOSTLY SUNNY. HIGHS IN THE UPPER 50S. NORTH WINDS 5 TO  
10 MPH.    
TUESDAY NIGHT  
MOSTLY CLOUDY. LOWS IN THE LOWER 50S. NORTHEAST  
WINDS 5 TO 10 MPH.    
WEDNESDAY  
MOSTLY CLOUDY WITH A CHANCE OF SHOWERS. HIGHS IN THE  
MID 50S. EAST WINDS 10 TO 15 MPH.    
WEDNESDAY NIGHT  
MOSTLY CLOUDY WITH SHOWERS LIKELY. LOWS AROUND  
50. EAST WINDS 10 TO 15 MPH.    
THURSDAY  
MOSTLY CLOUDY WITH SHOWERS LIKELY. HIGHS IN THE MID  
50S. NORTHEAST WINDS AROUND 15 MPH.    
THURSDAY NIGHT THROUGH FRIDAY NIGHT  
MOSTLY CLOUDY WITH A  
CHANCE OF SHOWERS. LOWS IN THE LOWER 50S. HIGHS IN THE UPPER 50S.  
WEST WINDS 10 TO 15 MPH.    
SATURDAY  
MOSTLY SUNNY. HIGHS AROUND 60. WEST WINDS AROUND  
10 MPH.  
 
 
 
MAZ017-180800-  
NORTHERN BRISTOL MA-  
INCLUDING THE CITIES OF ATTLEBORO, BERKLEY, EASTON, MANSFIELD,  
REHOBOTH, AND TAUNTON  
408 PM EDT SAT MAY 17 2025  
 
TONIGHT SUN SUN NIGHT MON  
 
CLOUD COVER PCLDY PCLDY PCLDY PCLDY  
PRECIP TYPE TSTMS SHOWERS SHOWERS NONE  
CHANCE PRECIP (%) 20 30 20 10  
CHANCE OF THUNDER (%) 0 0 0 0  
TEMP (24H TREND) 56 (-3) 72 (-3) 51 70  
RH % (24H TREND) 97 (-3) 42 (-20) 71 42  
20FT WND AM(MPH) W 7 NW 10 G24  
20FT WND PM(MPH) S 5 W 9 G18 W 7 G17 NW 9 G21  
PRECIP AMOUNT 0.00 0.00 0.00 0.00  
PRECIP DURATION  
PRECIP BEGIN  
PRECIP END  
MIXING HGT (FT-AGL) 340 6920 1480 5590  
TRANSPORT WND (KTS) W 7 W 17 W 19 NW 22  
VENT RATE (KT-FT) 2380 117640 28120 122980  
MAX ADI EARLY 20 GEN POOR 105 VERY GOOD90 GOOD 55 GEN GOOD  
MAX ADI LATE 6 VERY POOR 95 GOOD 36 FAIR 55 GEN GOOD  
MAX LVORI EARLY 6 1 2 1  
MAX LVORI LATE 6 1 2 1  
MIN VSBY EARLY 5 FOG 10 10 9  
MIN VSBY LATE 3 FOG 10 10 9  
SUNSHINE HOURS N/A N/A N/A N/A  
CWR 0  
 
REMARKS...NONE.  
   
FORECAST FOR DAYS 3 THROUGH 7  
   
MONDAY NIGHT  
MOSTLY CLOUDY. LOWS IN THE UPPER 40S. NORTHWEST  
WINDS 5 TO 10 MPH.    
TUESDAY AND TUESDAY NIGHT  
MOSTLY CLOUDY. LOWS IN THE UPPER  
40S. HIGHS IN THE LOWER 60S. NORTHEAST WINDS AROUND 5 MPH.    
WEDNESDAY  
MOSTLY CLOUDY WITH A CHANCE OF SHOWERS. HIGHS IN THE  
UPPER 50S. EAST WINDS 5 TO 10 MPH.    
WEDNESDAY NIGHT  
MOSTLY CLOUDY WITH SHOWERS LIKELY. LOWS IN THE  
MID 40S. EAST WINDS 5 TO 10 MPH.    
THURSDAY AND THURSDAY NIGHT  
MOSTLY CLOUDY WITH SHOWERS LIKELY.  
LOWS IN THE MID 40S. HIGHS IN THE UPPER 50S. NORTH WINDS 5 TO  
10 MPH.    
FRIDAY AND FRIDAY NIGHT  
MOSTLY CLOUDY WITH A CHANCE OF  
SHOWERS. LOWS IN THE MID 40S. HIGHS AROUND 60. WEST WINDS 5 TO  
10 MPH.    
SATURDAY  
PARTLY SUNNY WITH A CHANCE OF SHOWERS. HIGHS IN THE  
MID 60S. WEST WINDS 5 TO 10 MPH.  
 
 
 
MAZ018-180800-  
WESTERN PLYMOUTH MA-  
INCLUDING THE CITIES OF BRIDGEWATER, BROCKTON, CARVER,  
MIDDLEBORO, AND PEMBROKE  
408 PM EDT SAT MAY 17 2025  
 
TONIGHT SUN SUN NIGHT MON  
 
CLOUD COVER PCLDY PCLDY PCLDY PCLDY  
PRECIP TYPE TSTMS SHOWERS SHOWERS NONE  
CHANCE PRECIP (%) 20 30 20 10  
CHANCE OF THUNDER (%) 0 0 0 0  
TEMP (24H TREND) 56 (-2) 73 (-1) 52 69  
RH % (24H TREND) 100 (0) 42 (-18) 69 43  
20FT WND AM(MPH) W 7 NW 11 G25  
20FT WND PM(MPH) S 6 W 9 G18 W 8 G17 NW 9 G22  
PRECIP AMOUNT 0.00 0.00 0.00 0.00  
PRECIP DURATION  
PRECIP BEGIN  
PRECIP END  
MIXING HGT (FT-AGL) 210 7070 1420 5290  
TRANSPORT WND (KTS) W 7 W 16 W 19 NW 22  
VENT RATE (KT-FT) 1470 113120 26980 116380  
MAX ADI EARLY 21 FAIR 105 VERY GOOD85 GOOD 58 GEN GOOD  
MAX ADI LATE 5 VERY POOR 80 GOOD 38 FAIR 58 GEN GOOD  
MAX LVORI EARLY 6 1 3 1  
MAX LVORI LATE 6 1 3 1  
MIN VSBY EARLY 4 FOG 10 10 9  
MIN VSBY LATE 3 FOG 10 10 9  
SUNSHINE HOURS N/A N/A N/A N/A  
CWR 0  
 
REMARKS...NONE.  
   
FORECAST FOR DAYS 3 THROUGH 7  
   
MONDAY NIGHT  
MOSTLY CLOUDY. LOWS IN THE UPPER 40S. NORTHWEST  
WINDS 5 TO 10 MPH.    
TUESDAY AND TUESDAY NIGHT  
MOSTLY CLOUDY. LOWS IN THE UPPER  
40S. HIGHS AROUND 60. NORTHEAST WINDS 5 TO 10 MPH.    
WEDNESDAY  
MOSTLY CLOUDY WITH A CHANCE OF SHOWERS. HIGHS IN THE  
UPPER 50S. EAST WINDS 5 TO 10 MPH.    
WEDNESDAY NIGHT THROUGH THURSDAY NIGHT  
MOSTLY CLOUDY WITH  
SHOWERS LIKELY. LOWS IN THE MID 40S. HIGHS IN THE UPPER 50S.  
NORTHEAST WINDS 10 TO 15 MPH.    
FRIDAY AND FRIDAY NIGHT  
MOSTLY CLOUDY WITH A CHANCE OF  
SHOWERS. LOWS IN THE MID 40S. HIGHS IN THE LOWER 60S. WEST WINDS  
5 TO 10 MPH.    
SATURDAY  
PARTLY SUNNY WITH A CHANCE OF SHOWERS. HIGHS IN THE  
MID 60S. WEST WINDS 5 TO 10 MPH.  
 
 
 
MAZ019-180800-  
EASTERN PLYMOUTH MA-  
INCLUDING THE CITIES OF COHASSET, HINGHAM, MARSHFIELD, PLYMOUTH,  
AND SCITUATE  
408 PM EDT SAT MAY 17 2025  
 
TONIGHT SUN SUN NIGHT MON  
 
CLOUD COVER PCLDY PCLDY PCLDY PCLDY  
PRECIP TYPE TSTMS SHOWERS SHOWERS NONE  
CHANCE PRECIP (%) 20 30 30 10  
CHANCE OF THUNDER (%) 0 0 0 0  
TEMP (24H TREND) 55 (-2) 73 (+1) 52 67  
RH % (24H TREND) 100 (0) 42 (-22) 77 46  
20FT WND AM(MPH) W 8 NW 13 G26  
20FT WND PM(MPH) S 7 W 10 G17 W 10 G18 NW 10 G21  
PRECIP AMOUNT 0.00 0.00 0.00 0.00  
PRECIP DURATION  
PRECIP BEGIN  
PRECIP END  
MIXING HGT (FT-AGL) 100 6440 230 4730  
TRANSPORT WND (KTS) W 8 W 13 W 16 NW 22  
VENT RATE (KT-FT) 800 83720 3680 104060  
MAX ADI EARLY 12 POOR 66 GOOD 36 FAIR 62 GOOD  
MAX ADI LATE 9 POOR 65 GOOD 41 GEN GOOD 62 GOOD  
MAX LVORI EARLY 5 1 3 1  
MAX LVORI LATE 5 1 3 1  
MIN VSBY EARLY 2 FOG 10 10 9  
MIN VSBY LATE 3 FOG 10 10 9  
SUNSHINE HOURS N/A N/A N/A N/A  
CWR 0  
 
REMARKS...NONE.  
   
FORECAST FOR DAYS 3 THROUGH 7  
   
MONDAY NIGHT  
MOSTLY CLOUDY. LOWS IN THE UPPER 40S. NORTHWEST  
WINDS 10 TO 15 MPH.    
TUESDAY AND TUESDAY NIGHT  
MOSTLY CLOUDY. LOWS IN THE UPPER  
40S. HIGHS IN THE UPPER 50S. NORTHEAST WINDS 10 TO 15 MPH.    
WEDNESDAY  
MOSTLY CLOUDY WITH A CHANCE OF SHOWERS. HIGHS IN THE  
MID 50S. EAST WINDS 10 TO 15 MPH.    
WEDNESDAY NIGHT THROUGH THURSDAY NIGHT  
MOSTLY CLOUDY WITH  
SHOWERS LIKELY. LOWS IN THE UPPER 40S. HIGHS IN THE UPPER 50S.  
NORTHEAST WINDS 15 TO 20 MPH.    
FRIDAY THROUGH SATURDAY  
MOSTLY CLOUDY WITH A CHANCE OF  
SHOWERS. LOWS IN THE UPPER 40S. HIGHS IN THE LOWER 60S. WEST  
WINDS 10 TO 15 MPH.  
 
 
 
MAZ020-180800-  
SOUTHERN BRISTOL MA-  
INCLUDING THE CITIES OF ACUSHNET, FALL RIVER, NEW BEDFORD,  
SWANSEA, AND WESTPORT  
408 PM EDT SAT MAY 17 2025  
 
TONIGHT SUN SUN NIGHT MON  
 
CLOUD COVER PCLDY PCLDY PCLDY PCLDY  
PRECIP TYPE TSTMS SHOWERS SHOWERS NONE  
CHANCE PRECIP (%) 20 30 20 10  
CHANCE OF THUNDER (%) 0 0 0 0  
TEMP (24H TREND) 56 (-2) 73 (+3) 52 71  
RH % (24H TREND) 100 (0) 44 (-22) 72 44  
20FT WND AM(MPH) W 8 G18 NW 11 G25  
20FT WND PM(MPH) S 7 W 10 G21 W 9 G19 NW 10 G20  
PRECIP AMOUNT 0.01 0.00 0.00 0.00  
PRECIP DURATION 1  
PRECIP BEGIN 8 PM  
PRECIP END 1 AM  
MIXING HGT (FT-AGL) 130 6930 1000 5620  
TRANSPORT WND (KTS) W 6 W 16 W 17 NW 21  
VENT RATE (KT-FT) 780 110880 17000 118020  
MAX ADI EARLY 12 POOR 70 GOOD 64 GOOD 52 GEN GOOD  
MAX ADI LATE 6 VERY POOR 73 GOOD 34 FAIR 52 GEN GOOD  
MAX LVORI EARLY 5 2 2 1  
MAX LVORI LATE 5 2 2 1  
MIN VSBY EARLY 0 FOG 10 10 9  
MIN VSBY LATE 3 FOG 10 10 9  
SUNSHINE HOURS N/A N/A N/A N/A  
CWR 0  
 
REMARKS...NONE.  
   
FORECAST FOR DAYS 3 THROUGH 7  
   
MONDAY NIGHT  
MOSTLY CLOUDY. LOWS IN THE UPPER 40S. NORTHWEST  
WINDS 10 TO 15 MPH.    
TUESDAY AND TUESDAY NIGHT  
MOSTLY CLOUDY. LOWS IN THE UPPER  
40S. HIGHS IN THE LOWER 60S. NORTHEAST WINDS 5 TO 10 MPH.    
WEDNESDAY  
MOSTLY CLOUDY WITH A CHANCE OF SHOWERS. HIGHS IN THE  
UPPER 50S. EAST WINDS 10 TO 15 MPH.    
WEDNESDAY NIGHT  
MOSTLY CLOUDY WITH SHOWERS LIKELY. LOWS IN THE  
UPPER 40S. EAST WINDS 15 TO 20 MPH.    
THURSDAY AND THURSDAY NIGHT  
MOSTLY CLOUDY WITH SHOWERS LIKELY.  
LOWS IN THE UPPER 40S. HIGHS IN THE UPPER 50S. NORTH WINDS 15 TO  
20 MPH.    
FRIDAY AND FRIDAY NIGHT  
MOSTLY CLOUDY WITH A CHANCE OF  
SHOWERS. LOWS IN THE UPPER 40S. HIGHS AROUND 60. WEST WINDS 10 TO  
15 MPH.    
SATURDAY  
PARTLY SUNNY. HIGHS IN THE MID 60S. WEST WINDS 10 TO  
15 MPH.  
 
 
 
MAZ021-180800-  
SOUTHERN PLYMOUTH MA-  
INCLUDING THE CITIES OF MARION, MATTAPOISETT, ROCHESTER,  
AND WAREHAM  
408 PM EDT SAT MAY 17 2025  
 
TONIGHT SUN SUN NIGHT MON  
 
CLOUD COVER PCLDY PCLDY PCLDY PCLDY  
PRECIP TYPE SHOWERS SHOWERS SHOWERS NONE  
CHANCE PRECIP (%) 20 30 20 10  
CHANCE OF THUNDER (%) 0 0 0 0  
TEMP (24H TREND) 56 (-1) 73 (+3) 52 70  
RH % (24H TREND) 100 (0) 44 (-24) 72 45  
20FT WND AM(MPH) W 7 G17 NW 10 G25  
20FT WND PM(MPH) S 7 W 10 G21 W 7 G18 NW 9 G20  
PRECIP AMOUNT 0.00 0.00 0.00 0.00  
PRECIP DURATION  
PRECIP BEGIN  
PRECIP END  
MIXING HGT (FT-AGL) 180 6940 1860 5310  
TRANSPORT WND (KTS) W 6 W 15 W 18 NW 21  
VENT RATE (KT-FT) 1080 104100 33480 111510  
MAX ADI EARLY 14 GEN POOR 73 GOOD 75 GOOD 51 GEN GOOD  
MAX ADI LATE 6 VERY POOR 75 GOOD 33 FAIR 51 GEN GOOD  
MAX LVORI EARLY 6 1 3 1  
MAX LVORI LATE 6 1 3 1  
MIN VSBY EARLY 1 FOG 10 10 9  
MIN VSBY LATE 3 FOG 10 10 9  
SUNSHINE HOURS N/A N/A N/A N/A  
CWR 0  
 
REMARKS...NONE.  
   
FORECAST FOR DAYS 3 THROUGH 7  
   
MONDAY NIGHT  
MOSTLY CLOUDY. LOWS IN THE UPPER 40S. NORTHWEST  
WINDS 5 TO 10 MPH.    
TUESDAY AND TUESDAY NIGHT  
MOSTLY CLOUDY. LOWS IN THE UPPER  
40S. HIGHS AROUND 60. NORTHEAST WINDS 5 TO 10 MPH.    
WEDNESDAY  
MOSTLY CLOUDY WITH A CHANCE OF SHOWERS. HIGHS IN THE  
UPPER 50S. EAST WINDS 5 TO 10 MPH.    
WEDNESDAY NIGHT  
MOSTLY CLOUDY WITH SHOWERS LIKELY. LOWS IN THE  
UPPER 40S. EAST WINDS 10 TO 15 MPH.    
THURSDAY AND THURSDAY NIGHT  
MOSTLY CLOUDY WITH SHOWERS LIKELY.  
LOWS IN THE UPPER 40S. HIGHS IN THE UPPER 50S. NORTH WINDS 10 TO  
15 MPH.    
FRIDAY AND FRIDAY NIGHT  
MOSTLY CLOUDY WITH A CHANCE OF  
SHOWERS. LOWS IN THE UPPER 40S. HIGHS AROUND 60. WEST WINDS 10 TO  
15 MPH.    
SATURDAY  
PARTLY SUNNY WITH A CHANCE OF SHOWERS. HIGHS IN THE  
MID 60S. WEST WINDS 5 TO 10 MPH.  
 
 
 
MAZ022-180800-  
BARNSTABLE MA-  
INCLUDING THE CITIES OF BOURNE, CHATHAM, FALMOUTH, HYANNIS,  
PROVINCETOWN, AND WELLFLEET  
408 PM EDT SAT MAY 17 2025  
 
TONIGHT SUN SUN NIGHT MON  
 
CLOUD COVER PCLDY PCLDY PCLDY PCLDY  
PRECIP TYPE NONE SHOWERS SHOWERS NONE  
CHANCE PRECIP (%) 10 20 30 10  
CHANCE OF THUNDER (%) 0 0 0 0  
TEMP (24H TREND) 56 (0) 70 (+4) 52 67  
RH % (24H TREND) 100 (0) 51 (-17) 86 49  
20FT WND AM(MPH) W 8 G17 NW 11 G25  
20FT WND PM(MPH) S 8 SW 10 G21 W 8 G18 NW 9 G20  
PRECIP AMOUNT 0.00 0.00 0.00 0.00  
PRECIP DURATION  
PRECIP BEGIN  
PRECIP END  
MIXING HGT (FT-AGL) 70 4920 60 4860  
TRANSPORT WND (KTS) S 13 SW 14 W 13 NW 21  
VENT RATE (KT-FT) 910 68880 780 102060  
MAX ADI EARLY 14 GEN POOR 55 GEN GOOD 26 FAIR 58 GEN GOOD  
MAX ADI LATE 10 POOR 55 GEN GOOD 36 FAIR 58 GEN GOOD  
MAX LVORI EARLY 5 2 3 1  
MAX LVORI LATE 5 2 3 1  
MIN VSBY EARLY 0 FOG 4 FOG 10 9  
MIN VSBY LATE 1 FOG 10 10 9  
SUNSHINE HOURS N/A N/A N/A N/A  
CWR 0 0  
 
REMARKS...NONE.  
   
FORECAST FOR DAYS 3 THROUGH 7  
   
MONDAY NIGHT  
MOSTLY CLOUDY. LOWS IN THE UPPER 40S. NORTHWEST  
WINDS 10 TO 15 MPH.    
TUESDAY AND TUESDAY NIGHT  
MOSTLY CLOUDY. LOWS IN THE UPPER  
40S. HIGHS IN THE UPPER 50S. NORTHEAST WINDS 10 TO 15 MPH.    
WEDNESDAY  
MOSTLY CLOUDY WITH A CHANCE OF SHOWERS. HIGHS IN THE  
MID 50S. EAST WINDS 10 TO 15 MPH.    
WEDNESDAY NIGHT  
MOSTLY CLOUDY WITH SHOWERS LIKELY. LOWS IN THE  
UPPER 40S. EAST WINDS 15 TO 20 MPH.    
THURSDAY AND THURSDAY NIGHT  
MOSTLY CLOUDY WITH SHOWERS LIKELY.  
LOWS IN THE UPPER 40S. HIGHS IN THE UPPER 50S. NORTHEAST WINDS  
15 TO 20 MPH.    
FRIDAY AND FRIDAY NIGHT  
MOSTLY CLOUDY. A CHANCE OF SHOWERS.  
LOWS IN THE UPPER 40S. HIGHS IN THE UPPER 50S. WEST WINDS 10 TO  
15 MPH.    
SATURDAY  
MOSTLY SUNNY. HIGHS IN THE LOWER 60S. WEST WINDS 5 TO  
10 MPH.  
 
 
 
MAZ023-180800-  
DUKES MA-  
INCLUDING THE CITIES OF EDGARTOWN, OAK BLUFFS, AND VINEYARD HAVEN  
408 PM EDT SAT MAY 17 2025  
 
TONIGHT SUN SUN NIGHT MON  
 
CLOUD COVER PCLDY MCLEAR PCLDY PCLDY  
PRECIP TYPE NONE SHOWERS SHOWERS NONE  
CHANCE PRECIP (%) 10 20 20 10  
CHANCE OF THUNDER (%) 0 0 0 0  
TEMP (24H TREND) 56 (-1) 67 (+1) 52 68  
RH % (24H TREND) 100 (0) 53 (-20) 83 50  
20FT WND AM(MPH) W 9 G18 NW 13 G25  
20FT WND PM(MPH) S 8 SW 12 G23 W 10 G20 NW 10 G19  
PRECIP AMOUNT 0.00 0.00 0.00 0.00  
PRECIP DURATION  
PRECIP BEGIN  
PRECIP END  
MIXING HGT (FT-AGL) 60 3460 130 4600  
TRANSPORT WND (KTS) W 9 W 16 W 12 NW 19  
VENT RATE (KT-FT) 540 55360 1560 87400  
MAX ADI EARLY 15 GEN POOR 56 GEN GOOD 31 FAIR 57 GEN GOOD  
MAX ADI LATE 10 POOR 58 GEN GOOD 36 FAIR 57 GEN GOOD  
MAX LVORI EARLY 6 3 3 1  
MAX LVORI LATE 6 3 3 1  
MIN VSBY EARLY 0 FOG 6 FOG 10 9  
MIN VSBY LATE 3 FOG 10 10 9  
SUNSHINE HOURS N/A N/A N/A N/A  
CWR 0 0  
 
REMARKS...NONE.  
   
FORECAST FOR DAYS 3 THROUGH 7  
   
MONDAY NIGHT  
MOSTLY CLOUDY. LOWS AROUND 50. NORTHWEST WINDS  
10 TO 15 MPH.    
TUESDAY AND TUESDAY NIGHT  
MOSTLY CLOUDY. LOWS AROUND 50. HIGHS  
AROUND 60. NORTHEAST WINDS 10 TO 15 MPH.    
WEDNESDAY  
MOSTLY CLOUDY WITH A CHANCE OF SHOWERS. HIGHS IN THE  
UPPER 50S. EAST WINDS 10 TO 15 MPH.    
WEDNESDAY NIGHT  
MOSTLY CLOUDY WITH SHOWERS LIKELY. LOWS AROUND  
50. EAST WINDS 15 TO 20 MPH.    
THURSDAY  
MOSTLY CLOUDY WITH SHOWERS LIKELY. HIGHS IN THE UPPER  
50S. EAST WINDS 15 TO 20 MPH.    
THURSDAY NIGHT  
MOSTLY CLOUDY WITH SHOWERS LIKELY. LOWS AROUND  
50. NORTHEAST WINDS 10 TO 15 MPH.    
FRIDAY AND FRIDAY NIGHT  
MOSTLY CLOUDY. A CHANCE OF SHOWERS.  
LOWS AROUND 50. HIGHS IN THE UPPER 50S. WEST WINDS 10 TO 15 MPH.    
SATURDAY  
MOSTLY SUNNY. HIGHS IN THE LOWER 60S. WEST WINDS  
10 TO 15 MPH.  
 
 
 
MAZ024-180800-  
NANTUCKET MA-  
INCLUDING THE CITY OF NANTUCKET  
408 PM EDT SAT MAY 17 2025  
 
TONIGHT SUN SUN NIGHT MON  
 
CLOUD COVER PCLDY MCLEAR PCLDY PCLDY  
PRECIP TYPE NONE NONE SHOWERS NONE  
CHANCE PRECIP (%) 10 20 30 10  
CHANCE OF THUNDER (%) 0 0 0 0  
TEMP (24H TREND) 54 (0) 65 (+1) 53 64  
RH % (24H TREND) 100 (0) 65 (-13) 90 60  
20FT WND AM(MPH) W 10 G18 NW 14 G25  
20FT WND PM(MPH) S 9 SW 13 G22 W 12 G21 NW 9 G18  
PRECIP AMOUNT 0.00 0.00 0.00 0.00  
PRECIP DURATION  
PRECIP BEGIN  
PRECIP END  
MIXING HGT (FT-AGL) 70 790 180 3710  
TRANSPORT WND (KTS) S 15 W 16 SW 18 NW 21  
VENT RATE (KT-FT) 1050 12640 3240 77910  
MAX ADI EARLY 19 GEN POOR 16 GEN POOR 36 FAIR 60 GEN GOOD  
MAX ADI LATE 15 GEN POOR 19 GEN POOR 36 FAIR 60 GEN GOOD  
MAX LVORI EARLY 5 3 3 2  
MAX LVORI LATE 5 3 3 2  
MIN VSBY EARLY 0 FOG 2 FOG 10 9  
MIN VSBY LATE 3 FOG 10 10 9  
SUNSHINE HOURS N/A N/A N/A N/A  
CWR 0 0 0  
 
REMARKS...NONE.  
   
FORECAST FOR DAYS 3 THROUGH 7  
   
MONDAY NIGHT  
MOSTLY CLOUDY. LOWS AROUND 50. NORTHWEST WINDS  
10 TO 15 MPH.    
TUESDAY AND TUESDAY NIGHT  
MOSTLY CLOUDY. LOWS AROUND 50. HIGHS  
IN THE UPPER 50S. NORTHEAST WINDS 10 TO 15 MPH.    
WEDNESDAY  
MOSTLY CLOUDY WITH A CHANCE OF SHOWERS. HIGHS IN THE  
MID 50S. EAST WINDS 10 TO 15 MPH.    
WEDNESDAY NIGHT  
MOSTLY CLOUDY WITH SHOWERS LIKELY. LOWS IN THE  
UPPER 40S. EAST WINDS 15 TO 20 MPH.    
THURSDAY  
MOSTLY CLOUDY WITH SHOWERS LIKELY. HIGHS IN THE UPPER  
50S. EAST WINDS 15 TO 20 MPH.    
THURSDAY NIGHT AND FRIDAY  
MOSTLY CLOUDY. A CHANCE OF SHOWERS.  
LOWS AROUND 50. HIGHS IN THE UPPER 50S. WEST WINDS 10 TO 15 MPH.    
FRIDAY NIGHT  
MOSTLY CLOUDY. LOWS IN THE LOWER 50S. WEST WINDS  
10 TO 15 MPH.    
SATURDAY  
MOSTLY SUNNY. HIGHS IN THE LOWER 60S. WEST WINDS  
10 TO 15 MPH.  
 
 
   
OUTLOOK 8 TO 14 DAYS  
 
TEMPERATURES BELOW NORMAL. PRECIPITATION ABOVE NORMAL.  
 
 
 
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