524  
FNUS51 KBOX 182007  
FWFBOX  
 
FIRE WEATHER PLANNING FORECAST FOR SOUTHERN NEW ENGLAND  
NATIONAL WEATHER SERVICE BOSTON/NORTON MA  
406 PM EDT THU APR 18 2024  
   
DISCUSSION
 
 
   
..STRETCH OF DRY WEATHER SATURDAY THROUGH TUESDAY
 
 
DRY FOR MUCH OF FRIDAY AS HIGH PRESSURE NUDGES IN FROM NOVA  
SCOTIA. A WEAK FRONT MOVES THROUGH FRIDAY NIGHT AND EARLY  
SATURDAY WITH SOME SHOWERS. RAINFALL AMOUNTS WILL BE LESS THAN  
1/4 INCH. DRY AND A BIT BREEZY WITH GUSTS TO 20 MPH FOR MUCH OF  
SATURDAY.  
 
MINIMUM RELATIVE HUMIDITIES RANGE FROM 40 TO 50 PERCENT ON  
FRIDAY, FALLING TO 25 TO 35 PERCENT SATURDAY FOR ALL BUT EXTREME  
SOUTHEAST MA AND CAPE COD.  
   
OUTLOOK...SUNDAY THROUGH THURSDAY
 
 
POTENTIAL ELEVATED FIRE WEATHER CONCERNS FOR SUNDAY. EXPECTING  
WESTERLY WINDS GUSTING TO 25 MPH, ESPECIALLY IN THE AFTERNOON.  
WITH HUMIDITY LEVELS FALLING BELOW 30 PERCENT. DRY CONDITIONS  
CONTINUE MONDAY AND TUESDAY, ALTHOUGH WINDS WILL BE LESS GUSTY.  
UNSETTLED WEATHER RETURNS WEDNESDAY, WITH DRIER CONDITIONS FOR  
THURSDAY.  
 
MAZ015-190800-  
SUFFOLK MA-  
INCLUDING THE CITIES OF BOSTON, CHELSEA, REVERE, AND WINTHROP  
406 PM EDT THU APR 18 2024  
 
TONIGHT FRI FRI NIGHT SAT  
 
CLOUD COVER MCLDY PCLDY MCLDY MCLDY  
PRECIP TYPE SHOWERS NONE SHOWERS SHOWERS  
CHANCE PRECIP (%) 40 50 50  
TEMP (24H TREND) 42 (-2) 56 (+8) 45 63  
RH % (24H TREND) 86 (0) 45 (-1) 93 35  
20FT WND AM(MPH) E 5 SW 6  
20FT WND PM(MPH) E 6 SE 9 S 8 W 8  
PRECIP AMOUNT 0.01 0.00 0.02 0.08  
PRECIP DURATION 1 1 1  
PRECIP BEGIN 6 PM 10 PM CONTINUING  
PRECIP END 1 AM CONTINUING 2 PM  
MIXING HGT (FT-AGL) 150 4180 280 6520  
TRANSPORT WND (KTS) NE 5 SE 13 SE 13 W 15  
VENT RATE (KT-FT) 750 54340 3640 97800  
MAX ADI EARLY 19 GEN POOR 45 GEN GOOD 21 FAIR 32 FAIR  
MAX ADI LATE 6 VERY POOR 49 GEN GOOD 10 POOR 63 GOOD  
MAX LVORI EARLY 4 2 5 1  
MAX LVORI LATE 4 2 5 1  
MIN VSBY EARLY  
MIN VSBY LATE  
SUNSHINE HOURS N/A N/A N/A N/A  
CWR 30 0 20 30  
LAL NO TSTMS NO TSTMS NO TSTMS NO TSTMS  
HAINES INDEX 3 3 2 4  
 
REMARKS...NONE.  
   
FORECAST FOR DAYS 3 THROUGH 7
 
   
SATURDAY NIGHT
 
MOSTLY CLEAR. LOWS AROUND 40. WEST WINDS 10 TO  
15 MPH.    
SUNDAY THROUGH MONDAY NIGHT
 
MOSTLY CLEAR. LOWS IN THE LOWER  
40S. HIGHS AROUND 60. SOUTHWEST WINDS 10 TO 15 MPH.    
TUESDAY
 
MOSTLY SUNNY. HIGHS IN THE LOWER 60S. SOUTH WINDS  
10 TO 15 MPH.    
TUESDAY NIGHT
 
MOSTLY CLOUDY WITH A CHANCE OF SHOWERS. LOWS IN  
THE UPPER 40S. SOUTH WINDS 10 TO 15 MPH.    
WEDNESDAY
 
MOSTLY CLOUDY WITH SHOWERS LIKELY. HIGHS IN THE  
LOWER 60S. SOUTHWEST WINDS 10 TO 15 MPH.    
WEDNESDAY NIGHT
 
PARTLY CLOUDY WITH A CHANCE OF SHOWERS. LOWS  
IN THE UPPER 30S. NORTHWEST WINDS 10 TO 15 MPH.    
THURSDAY
 
SUNNY. HIGHS IN THE MID 50S. NORTHWEST WINDS 10 TO  
15 MPH.  
 

 
 
MAZ016-190800-  
EASTERN NORFOLK MA-  
INCLUDING THE CITIES OF BRAINTREE, MILTON, QUINCY, AND WEYMOUTH  
406 PM EDT THU APR 18 2024  
 
TONIGHT FRI FRI NIGHT SAT  
 
CLOUD COVER MCLDY PCLDY MCLDY MCLDY  
PRECIP TYPE SHOWERS NONE SHOWERS SHOWERS  
CHANCE PRECIP (%) 40 60 50  
TEMP (24H TREND) 41 (-3) 56 (+8) 45 63  
RH % (24H TREND) 86 (-3) 47 (-1) 93 39  
20FT WND AM(MPH) E 6 SW 6  
20FT WND PM(MPH) NE 6 SE 8 S 8 W 7  
PRECIP AMOUNT 0.01 0.00 0.03 0.11  
PRECIP DURATION 1 2 2  
PRECIP BEGIN 6 PM 10 PM CONTINUING  
PRECIP END 3 AM CONTINUING 4 PM  
MIXING HGT (FT-AGL) 350 4190 460 6290  
TRANSPORT WND (KTS) NE 7 SE 12 S 14 W 14  
VENT RATE (KT-FT) 2450 50280 6440 88060  
MAX ADI EARLY 18 GEN POOR 57 GEN GOOD 35 FAIR 28 FAIR  
MAX ADI LATE 7 POOR 57 GEN GOOD 10 POOR 62 GOOD  
MAX LVORI EARLY 4 1 5 2  
MAX LVORI LATE 4 1 5 2  
MIN VSBY EARLY  
MIN VSBY LATE  
SUNSHINE HOURS N/A N/A N/A N/A  
CWR 30 0 30 50  
LAL NO TSTMS NO TSTMS NO TSTMS NO TSTMS  
HAINES INDEX 2 3 2 5  
 
REMARKS...NONE.  
   
FORECAST FOR DAYS 3 THROUGH 7
 
   
SATURDAY NIGHT
 
MOSTLY CLEAR. LOWS AROUND 40. WEST WINDS 10 TO  
15 MPH.    
SUNDAY THROUGH MONDAY NIGHT
 
MOSTLY CLEAR. LOWS IN THE LOWER  
40S. HIGHS AROUND 60. SOUTHWEST WINDS 10 TO 15 MPH.    
TUESDAY
 
MOSTLY SUNNY. HIGHS IN THE LOWER 60S. SOUTH WINDS  
10 TO 15 MPH.    
TUESDAY NIGHT
 
MOSTLY CLOUDY WITH A CHANCE OF SHOWERS. LOWS IN  
THE UPPER 40S. SOUTH WINDS 10 TO 15 MPH.    
WEDNESDAY
 
MOSTLY CLOUDY WITH SHOWERS LIKELY. HIGHS AROUND 60.  
SOUTHWEST WINDS 10 TO 15 MPH.    
WEDNESDAY NIGHT
 
PARTLY CLOUDY WITH A CHANCE OF SHOWERS. LOWS  
IN THE UPPER 30S. NORTHWEST WINDS AROUND 15 MPH.    
THURSDAY
 
SUNNY. HIGHS IN THE MID 50S. NORTHWEST WINDS 10 TO  
15 MPH.  
 

 
 
MAZ013-190800-  
WESTERN NORFOLK MA-  
INCLUDING THE CITIES OF BELLINGHAM, DEDHAM, FOXBOROUGH, MEDFIELD,  
NORWOOD, STOUGHTON, AND WELLESLEY  
406 PM EDT THU APR 18 2024  
 
TONIGHT FRI FRI NIGHT SAT  
 
CLOUD COVER MCLDY PCLDY MCLDY MCLDY  
PRECIP TYPE SHOWERS NONE SHOWERS SHOWERS  
CHANCE PRECIP (%) 50 50 50  
TEMP (24H TREND) 40 (-4) 58 (+11) 44 63  
RH % (24H TREND) 89 (+3) 42 (-1) 96 32  
20FT WND AM(MPH) LGT/VAR SW 5  
20FT WND PM(MPH) NE 5 SE 7 S 7 W 8  
PRECIP AMOUNT 0.02 0.00 0.03 0.07  
PRECIP DURATION 1 1 1  
PRECIP BEGIN 6 PM 10 PM CONTINUING  
PRECIP END 1 AM CONTINUING 2 PM  
MIXING HGT (FT-AGL) 320 4350 520 6970  
TRANSPORT WND (KTS) NE 8 SE 11 SW 7 W 17  
VENT RATE (KT-FT) 2560 47850 3640 118490  
MAX ADI EARLY 19 GEN POOR 67 GOOD 49 GEN GOOD 35 FAIR  
MAX ADI LATE 7 POOR 66 GOOD 9 POOR 67 GOOD  
MAX LVORI EARLY 5 1 6 1  
MAX LVORI LATE 5 1 6 1  
MIN VSBY EARLY  
MIN VSBY LATE  
SUNSHINE HOURS N/A N/A N/A N/A  
CWR 20 0 20 30  
LAL NO TSTMS NO TSTMS NO TSTMS NO TSTMS  
HAINES INDEX 2 3 2 5  
 
REMARKS...NONE.  
   
FORECAST FOR DAYS 3 THROUGH 7
 
   
SATURDAY NIGHT
 
MOSTLY CLEAR. LOWS IN THE UPPER 30S. WEST WINDS  
5 TO 10 MPH.    
SUNDAY
 
SUNNY. HIGHS AROUND 60. WEST WINDS 10 TO 15 MPH.    
SUNDAY NIGHT
 
PARTLY CLOUDY. LOWS IN THE UPPER 30S. WEST WINDS  
10 TO 15 MPH.    
MONDAY AND MONDAY NIGHT
 
MOSTLY CLEAR. LOWS IN THE UPPER 30S.  
HIGHS IN THE LOWER 60S. SOUTHWEST WINDS 5 TO 10 MPH.    
TUESDAY
 
MOSTLY SUNNY. HIGHS IN THE LOWER 60S. SOUTH WINDS  
10 TO 15 MPH.    
TUESDAY NIGHT AND WEDNESDAY
 
MOSTLY CLOUDY WITH A CHANCE OF  
SHOWERS. LOWS IN THE MID 40S. HIGHS IN THE LOWER 60S. WEST WINDS  
10 TO 15 MPH.    
WEDNESDAY NIGHT
 
PARTLY CLOUDY WITH A CHANCE OF SHOWERS.  
COLDER. LOWS IN THE MID 30S. NORTHWEST WINDS 10 TO 15 MPH.    
THURSDAY
 
SUNNY. HIGHS IN THE MID 50S. NORTHWEST WINDS 10 TO  
15 MPH.  
 

 
 
MAZ014-190800-  
SOUTHEAST MIDDLESEX MA-  
INCLUDING THE CITIES OF CAMBRIDGE, LEXINGTON, NEWTON, WALTHAM,  
AND WOBURN  
406 PM EDT THU APR 18 2024  
 
TONIGHT FRI FRI NIGHT SAT  
 
CLOUD COVER MCLDY PCLDY MCLDY MCLDY  
PRECIP TYPE SHOWERS NONE SHOWERS SHOWERS  
CHANCE PRECIP (%) 40 50 40  
TEMP (24H TREND) 41 (-3) 56 (+8) 45 63  
RH % (24H TREND) 86 (-3) 45 (0) 93 34  
20FT WND AM(MPH) LGT/VAR SW 5  
20FT WND PM(MPH) NE 5 SE 8 S 7 W 8  
PRECIP AMOUNT 0.01 0.00 0.02 0.06  
PRECIP DURATION 1 1 1  
PRECIP BEGIN 6 PM 10 PM CONTINUING  
PRECIP END 12 AM CONTINUING 2 PM  
MIXING HGT (FT-AGL) 110 4100 450 6660  
TRANSPORT WND (KTS) NE 4 SE 13 SE 13 W 17  
VENT RATE (KT-FT) 440 53300 5850 113220  
MAX ADI EARLY 17 GEN POOR 61 GOOD 24 FAIR 41 GEN GOOD  
MAX ADI LATE 5 VERY POOR 56 GEN GOOD 10 POOR 75 GOOD  
MAX LVORI EARLY 5 2 6 1  
MAX LVORI LATE 5 2 6 1  
MIN VSBY EARLY  
MIN VSBY LATE  
SUNSHINE HOURS N/A N/A N/A N/A  
CWR 30 0 10 30  
LAL NO TSTMS NO TSTMS NO TSTMS NO TSTMS  
HAINES INDEX 3 3 2 4  
 
REMARKS...NONE.  
   
FORECAST FOR DAYS 3 THROUGH 7
 
   
SATURDAY NIGHT
 
MOSTLY CLEAR. LOWS IN THE UPPER 30S. WEST WINDS  
5 TO 10 MPH.    
SUNDAY THROUGH MONDAY NIGHT
 
MOSTLY CLEAR. LOWS AROUND 40.  
HIGHS IN THE LOWER 60S. SOUTHWEST WINDS 10 TO 15 MPH.    
TUESDAY
 
MOSTLY SUNNY. HIGHS IN THE LOWER 60S. SOUTH WINDS  
10 TO 15 MPH.    
TUESDAY NIGHT
 
MOSTLY CLOUDY WITH A CHANCE OF SHOWERS. LOWS IN  
THE MID 40S. SOUTH WINDS 10 TO 15 MPH.    
WEDNESDAY
 
MOSTLY CLOUDY WITH SHOWERS LIKELY. HIGHS IN THE  
LOWER 60S. SOUTHWEST WINDS 10 TO 15 MPH.    
WEDNESDAY NIGHT
 
PARTLY CLOUDY WITH A CHANCE OF SHOWERS. LOWS  
IN THE UPPER 30S. NORTHWEST WINDS 10 TO 15 MPH.    
THURSDAY
 
SUNNY. HIGHS IN THE MID 50S. NORTHWEST WINDS 10 TO  
15 MPH.  
 

 
 
MAZ007-190800-  
EASTERN ESSEX MA-  
INCLUDING THE CITIES OF BEVERLY, GLOUCESTER, NEWBURYPORT,  
PEABODY, SALEM, AND SAUGUS  
406 PM EDT THU APR 18 2024  
 
TONIGHT FRI FRI NIGHT SAT  
 
CLOUD COVER MCLDY PCLDY MCLDY MCLDY  
PRECIP TYPE SHOWERS NONE SHOWERS SHOWERS  
CHANCE PRECIP (%) 30 50 50  
TEMP (24H TREND) 40 (-3) 53 (+5) 44 62  
RH % (24H TREND) 92 (-4) 50 (+2) 96 37  
20FT WND AM(MPH) E 5 SW 6  
20FT WND PM(MPH) E 5 SE 8 S 8 SW 7  
PRECIP AMOUNT 0.00 0.00 0.03 0.09  
PRECIP DURATION 1 1  
PRECIP BEGIN 10 PM CONTINUING  
PRECIP END CONTINUING 2 PM  
MIXING HGT (FT-AGL) 110 3210 300 6040  
TRANSPORT WND (KTS) NE 5 SE 14 SE 15 W 12  
VENT RATE (KT-FT) 550 44940 4500 72480  
MAX ADI EARLY 13 GEN POOR 32 FAIR 19 GEN POOR 32 FAIR  
MAX ADI LATE 5 VERY POOR 33 FAIR 12 POOR 44 GEN GOOD  
MAX LVORI EARLY 5 2 5 2  
MAX LVORI LATE 5 2 5 2  
MIN VSBY EARLY  
MIN VSBY LATE  
SUNSHINE HOURS N/A N/A N/A N/A  
CWR 0 30 40  
LAL NO TSTMS NO TSTMS NO TSTMS NO TSTMS  
HAINES INDEX 3 4 2 4  
 
REMARKS...NONE.  
   
FORECAST FOR DAYS 3 THROUGH 7
 
   
SATURDAY NIGHT
 
MOSTLY CLEAR. LOWS AROUND 40. WEST WINDS 10 TO  
15 MPH.    
SUNDAY THROUGH MONDAY NIGHT
 
MOSTLY CLEAR. LOWS IN THE LOWER  
40S. HIGHS IN THE UPPER 50S. SOUTHWEST WINDS 10 TO 15 MPH.    
TUESDAY
 
MOSTLY SUNNY. HIGHS IN THE UPPER 50S. SOUTH WINDS  
10 TO 15 MPH.    
TUESDAY NIGHT
 
MOSTLY CLOUDY WITH A CHANCE OF SHOWERS. LOWS IN  
THE MID 40S. SOUTH WINDS 10 TO 15 MPH.    
WEDNESDAY
 
MOSTLY CLOUDY WITH SHOWERS LIKELY. HIGHS IN THE  
UPPER 50S. SOUTHWEST WINDS 10 TO 15 MPH.    
WEDNESDAY NIGHT
 
PARTLY CLOUDY WITH A CHANCE OF SHOWERS. LOWS  
IN THE MID 30S. NORTHWEST WINDS 10 TO 15 MPH.    
THURSDAY
 
SUNNY. HIGHS IN THE LOWER 50S. NORTHWEST WINDS 10 TO  
15 MPH.  
 

 
 
MAZ006-190800-  
WESTERN ESSEX MA-  
INCLUDING THE CITIES OF AMESBURY, ANDOVER, HAVERHILL, LAWRENCE,  
METHUEN, AND TOPSFIELD  
406 PM EDT THU APR 18 2024  
 
TONIGHT FRI FRI NIGHT SAT  
 
CLOUD COVER MCLDY PCLDY MCLDY MCLDY  
PRECIP TYPE SHOWERS NONE SHOWERS SHOWERS  
CHANCE PRECIP (%) 30 40 40  
TEMP (24H TREND) 40 (-3) 57 (+7) 44 62  
RH % (24H TREND) 92 (-1) 43 (0) 89 33  
20FT WND AM(MPH) LGT/VAR SW 6  
20FT WND PM(MPH) LGT/VAR SE 7 S 7 W 9  
PRECIP AMOUNT 0.01 0.00 0.03 0.04  
PRECIP DURATION 1 2 1  
PRECIP BEGIN 6 PM 9 PM CONTINUING  
PRECIP END 12 AM CONTINUING 2 PM  
MIXING HGT (FT-AGL) 110 3690 460 6840  
TRANSPORT WND (KTS) NE 3 SE 15 S 12 W 18  
VENT RATE (KT-FT) 330 55350 5520 123120  
MAX ADI EARLY 13 GEN POOR 43 GEN GOOD 29 FAIR 47 GEN GOOD  
MAX ADI LATE 2 VERY POOR 58 GEN GOOD 10 POOR 78 GOOD  
MAX LVORI EARLY 6 1 5 1  
MAX LVORI LATE 6 1 5 1  
MIN VSBY EARLY  
MIN VSBY LATE  
SUNSHINE HOURS N/A N/A N/A N/A  
CWR 0 30 30  
LAL NO TSTMS NO TSTMS NO TSTMS NO TSTMS  
HAINES INDEX 3 4 2 4  
 
REMARKS...NONE.  
   
FORECAST FOR DAYS 3 THROUGH 7
 
   
SATURDAY NIGHT
 
MOSTLY CLEAR. LOWS IN THE UPPER 30S. WEST WINDS  
5 TO 10 MPH.    
SUNDAY THROUGH MONDAY NIGHT
 
MOSTLY CLEAR. LOWS IN THE UPPER  
30S. HIGHS AROUND 60. SOUTHWEST WINDS 10 TO 15 MPH.    
TUESDAY
 
MOSTLY SUNNY. HIGHS IN THE LOWER 60S. SOUTH WINDS  
10 TO 15 MPH.    
TUESDAY NIGHT
 
MOSTLY CLOUDY WITH A CHANCE OF SHOWERS. LOWS IN  
THE MID 40S. SOUTH WINDS 10 TO 15 MPH.    
WEDNESDAY
 
MOSTLY CLOUDY WITH SHOWERS LIKELY. HIGHS IN THE  
UPPER 50S. SOUTHWEST WINDS 10 TO 15 MPH.    
WEDNESDAY NIGHT
 
PARTLY CLOUDY WITH A CHANCE OF SHOWERS.  
COLDER. LOWS IN THE MID 30S. NORTHWEST WINDS 10 TO 15 MPH.    
THURSDAY
 
SUNNY. HIGHS IN THE MID 50S. NORTHWEST WINDS 10 TO  
15 MPH.  
 

 
 
MAZ005-190800-  
CENTRAL MIDDLESEX MA-  
INCLUDING THE CITIES OF BURLINGTON, CHELMSFORD, FRAMINGHAM,  
HOPKINTON, LOWELL, AND NATICK  
406 PM EDT THU APR 18 2024  
 
TONIGHT FRI FRI NIGHT SAT  
 
CLOUD COVER MCLDY PCLDY MCLDY MCLDY  
PRECIP TYPE SHOWERS NONE SHOWERS SHOWERS  
CHANCE PRECIP (%) 50 40 40  
TEMP (24H TREND) 40 (-4) 58 (+10) 44 63  
RH % (24H TREND) 92 (-4) 42 (+2) 96 32  
20FT WND AM(MPH) LGT/VAR SW 5  
20FT WND PM(MPH) LGT/VAR SE 7 S 7 W 8 G17  
PRECIP AMOUNT 0.02 0.00 0.02 0.03  
PRECIP DURATION 1 2 1  
PRECIP BEGIN 6 PM 9 PM CONTINUING  
PRECIP END 12 AM CONTINUING 1 PM  
MIXING HGT (FT-AGL) 110 4070 490 6820  
TRANSPORT WND (KTS) NE 5 SE 12 SW 7 W 18  
VENT RATE (KT-FT) 550 48840 3430 122760  
MAX ADI EARLY 18 GEN POOR 51 GEN GOOD 48 GEN GOOD 46 GEN GOOD  
MAX ADI LATE 4 VERY POOR 56 GEN GOOD 10 POOR 75 GOOD  
MAX LVORI EARLY 5 1 6 1  
MAX LVORI LATE 5 1 6 1  
MIN VSBY EARLY  
MIN VSBY LATE  
SUNSHINE HOURS N/A N/A N/A N/A  
CWR 30 0 20 20  
LAL NO TSTMS NO TSTMS NO TSTMS NO TSTMS  
HAINES INDEX 2 3 2 5  
 
REMARKS...NONE.  
   
FORECAST FOR DAYS 3 THROUGH 7
 
   
SATURDAY NIGHT
 
MOSTLY CLEAR. LOWS IN THE UPPER 30S. WEST WINDS  
5 TO 10 MPH.    
SUNDAY THROUGH MONDAY NIGHT
 
MOSTLY CLEAR. LOWS IN THE UPPER  
30S. HIGHS IN THE LOWER 60S. WEST WINDS 10 TO 15 MPH.    
TUESDAY
 
MOSTLY SUNNY. HIGHS IN THE MID 60S. SOUTH WINDS 10 TO  
15 MPH.    
TUESDAY NIGHT
 
MOSTLY CLOUDY WITH A CHANCE OF SHOWERS. LOWS IN  
THE MID 40S. SOUTH WINDS 10 TO 15 MPH.    
WEDNESDAY
 
MOSTLY CLOUDY WITH SHOWERS LIKELY. HIGHS AROUND 60.  
SOUTHWEST WINDS 10 TO 15 MPH, BECOMING WEST IN THE AFTERNOON.    
WEDNESDAY NIGHT
 
PARTLY CLOUDY WITH A CHANCE OF SHOWERS.  
COLDER. LOWS IN THE MID 30S. NORTHWEST WINDS 10 TO 15 MPH.    
THURSDAY
 
SUNNY. HIGHS IN THE MID 50S. NORTHWEST WINDS 10 TO  
15 MPH.  
 

 
 
MAZ012-190800-  
SOUTHERN WORCESTER MA-  
INCLUDING THE CITIES OF MILFORD, OXFORD, STURBRIDGE, UXBRIDGE,  
WESTBOROUGH, AND WORCESTER  
406 PM EDT THU APR 18 2024  
 
TONIGHT FRI FRI NIGHT SAT  
 
CLOUD COVER MCLDY PCLDY MCLDY MCLDY  
PRECIP TYPE SHOWERS NONE SHOWERS SHOWERS  
CHANCE PRECIP (%) 50 40 40  
TEMP (24H TREND) 38 (-5) 58 (+12) 43 63  
RH % (24H TREND) 96 (0) 42 (+2) 100 32  
20FT WND AM(MPH) LGT/VAR W 6  
20FT WND PM(MPH) NE 5 SE 7 S 7 W 9 G19  
PRECIP AMOUNT 0.02 0.00 0.02 0.02  
PRECIP DURATION 1 2 1  
PRECIP BEGIN 6 PM 9 PM CONTINUING  
PRECIP END 12 AM CONTINUING 1 PM  
MIXING HGT (FT-AGL) 440 4050 460 7160  
TRANSPORT WND (KTS) NE 8 SE 11 SW 6 W 19  
VENT RATE (KT-FT) 3520 44550 2760 136040  
MAX ADI EARLY 19 GEN POOR 44 GEN GOOD 49 GEN GOOD 45 GEN GOOD  
MAX ADI LATE 7 POOR 54 GEN GOOD 9 POOR 73 GOOD  
MAX LVORI EARLY 6 1 7 1  
MAX LVORI LATE 6 1 7 1  
MIN VSBY EARLY  
MIN VSBY LATE  
SUNSHINE HOURS N/A N/A N/A N/A  
CWR 30 0 20 20  
LAL NO TSTMS NO TSTMS NO TSTMS NO TSTMS  
HAINES INDEX 2 3 2 5  
 
REMARKS...NONE.  
   
FORECAST FOR DAYS 3 THROUGH 7
 
   
SATURDAY NIGHT
 
MOSTLY CLEAR. LOWS IN THE MID 30S. WEST WINDS  
10 TO 15 MPH.    
SUNDAY THROUGH MONDAY NIGHT
 
MOSTLY CLEAR. LOWS IN THE UPPER  
30S. HIGHS AROUND 60. WEST WINDS 10 TO 15 MPH.    
TUESDAY
 
MOSTLY SUNNY. HIGHS IN THE LOWER 60S. SOUTH WINDS  
10 TO 15 MPH.    
TUESDAY NIGHT
 
MOSTLY CLOUDY WITH A CHANCE OF SHOWERS. LOWS IN  
THE MID 40S. SOUTH WINDS 10 TO 15 MPH.    
WEDNESDAY
 
MOSTLY CLOUDY WITH SHOWERS LIKELY. HIGHS IN THE  
UPPER 50S. SOUTHWEST WINDS 10 TO 15 MPH, BECOMING WEST IN THE  
AFTERNOON.    
WEDNESDAY NIGHT
 
PARTLY CLOUDY WITH A CHANCE OF SHOWERS.  
COLDER. LOWS IN THE MID 30S. NORTHWEST WINDS 10 TO 15 MPH.    
THURSDAY
 
SUNNY. HIGHS IN THE MID 50S. NORTHWEST WINDS 10 TO  
15 MPH.  
 

 
 
MAZ004-190800-  
NORTHERN WORCESTER MA-  
INCLUDING THE CITIES OF ATHOL, BOYLSTON, BROOKFIELD, FITCHBURG,  
GARDNER, AND HARVARD  
406 PM EDT THU APR 18 2024  
 
TONIGHT FRI FRI NIGHT SAT  
 
CLOUD COVER MCLDY PCLDY MCLDY MCLDY  
PRECIP TYPE SHOWERS NONE SHOWERS SHOWERS  
CHANCE PRECIP (%) 50 40 30  
TEMP (24H TREND) 37 (-5) 58 (+13) 42 62  
RH % (24H TREND) 96 (+7) 40 (+4) 100 29  
20FT WND AM(MPH) LGT/VAR W 7  
20FT WND PM(MPH) E 5 SE 7 S 8 W 10 G20  
PRECIP AMOUNT 0.02 0.00 0.02 0.01  
PRECIP DURATION 1 2 1  
PRECIP BEGIN 6 PM 7 PM CONTINUING  
PRECIP END 11 PM CONTINUING 12 PM  
MIXING HGT (FT-AGL) 440 3940 460 6810  
TRANSPORT WND (KTS) NE 7 S 15 SW 7 W 19  
VENT RATE (KT-FT) 3080 59100 3220 129390  
MAX ADI EARLY 21 FAIR 37 FAIR 53 GEN GOOD 53 GEN GOOD  
MAX ADI LATE 7 POOR 58 GEN GOOD 11 POOR 74 GOOD  
MAX LVORI EARLY 5 1 6 1  
MAX LVORI LATE 5 1 6 1  
MIN VSBY EARLY  
MIN VSBY LATE  
SUNSHINE HOURS N/A N/A N/A N/A  
CWR 30 0 10 10  
LAL NO TSTMS NO TSTMS NO TSTMS NO TSTMS  
HAINES INDEX 3 3 2 4  
 
REMARKS...NONE.  
   
FORECAST FOR DAYS 3 THROUGH 7
 
   
SATURDAY NIGHT
 
MOSTLY CLEAR. LOWS IN THE MID 30S. WEST WINDS  
10 TO 15 MPH.    
SUNDAY THROUGH MONDAY NIGHT
 
MOSTLY CLEAR. LOWS IN THE MID 30S.  
HIGHS IN THE UPPER 50S. SOUTHWEST WINDS 10 TO 15 MPH.    
TUESDAY
 
MOSTLY SUNNY. HIGHS IN THE LOWER 60S. SOUTH WINDS  
10 TO 15 MPH.    
TUESDAY NIGHT AND WEDNESDAY
 
MOSTLY CLOUDY WITH SHOWERS LIKELY.  
LOWS IN THE LOWER 40S. HIGHS IN THE UPPER 50S. WEST WINDS 10 TO  
15 MPH.    
WEDNESDAY NIGHT
 
PARTLY CLOUDY WITH A CHANCE OF RAIN SHOWERS.  
COLDER. LOWS IN THE LOWER 30S. NORTHWEST WINDS 10 TO 15 MPH.    
THURSDAY
 
SUNNY. HIGHS IN THE LOWER 50S. NORTHWEST WINDS 10 TO  
15 MPH.  
 

 
 
MAZ026-190800-  
NORTHERN MIDDLESEX MA-  
INCLUDING THE CITIES OF ASHBY, AYER, GROTON, PEPPERELL, SHIRLEY,  
AND TOWNSEND  
406 PM EDT THU APR 18 2024  
 
TONIGHT FRI FRI NIGHT SAT  
 
CLOUD COVER MCLDY PCLDY MCLDY MCLDY  
PRECIP TYPE SHOWERS NONE SHOWERS SHOWERS  
CHANCE PRECIP (%) 50 40 30  
TEMP (24H TREND) 38 (-5) 59 (+12) 43 63  
RH % (24H TREND) 96 (+7) 43 (+6) 96 31  
20FT WND AM(MPH) LGT/VAR W 6  
20FT WND PM(MPH) LGT/VAR SE 6 S 7 W 9 G21  
PRECIP AMOUNT 0.03 0.00 0.01 0.00  
PRECIP DURATION 1 2  
PRECIP BEGIN 6 PM 8 PM  
PRECIP END 11 PM 6 AM  
MIXING HGT (FT-AGL) 420 3900 490 6770  
TRANSPORT WND (KTS) NE 5 S 14 SW 7 W 19  
VENT RATE (KT-FT) 2100 54600 3430 128630  
MAX ADI EARLY 17 GEN POOR 32 FAIR 54 GEN GOOD 58 GEN GOOD  
MAX ADI LATE 4 VERY POOR 58 GEN GOOD 10 POOR 75 GOOD  
MAX LVORI EARLY 6 1 6 1  
MAX LVORI LATE 6 1 6 1  
MIN VSBY EARLY  
MIN VSBY LATE  
SUNSHINE HOURS N/A N/A N/A N/A  
CWR 30 0 10 10  
LAL NO TSTMS NO TSTMS NO TSTMS NO TSTMS  
HAINES INDEX 2 3 2 5  
 
REMARKS...NONE.  
   
FORECAST FOR DAYS 3 THROUGH 7
 
   
SATURDAY NIGHT
 
MOSTLY CLEAR. LOWS IN THE MID 30S. WEST WINDS  
10 TO 15 MPH.    
SUNDAY THROUGH MONDAY NIGHT
 
MOSTLY CLEAR. LOWS IN THE MID 30S.  
HIGHS AROUND 60. WEST WINDS 10 TO 15 MPH.    
TUESDAY
 
MOSTLY SUNNY. HIGHS IN THE MID 60S. SOUTH WINDS 10 TO  
15 MPH.    
TUESDAY NIGHT
 
MOSTLY CLOUDY WITH A CHANCE OF SHOWERS. LOWS IN  
THE LOWER 40S. SOUTH WINDS 10 TO 15 MPH.    
WEDNESDAY
 
MOSTLY CLOUDY WITH SHOWERS LIKELY. HIGHS IN THE  
UPPER 50S. SOUTHWEST WINDS 10 TO 15 MPH.    
WEDNESDAY NIGHT
 
PARTLY CLOUDY WITH A CHANCE OF RAIN SHOWERS.  
COLDER. LOWS IN THE LOWER 30S. NORTHWEST WINDS 10 TO 15 MPH.    
THURSDAY
 
SUNNY. HIGHS IN THE MID 50S. NORTHWEST WINDS 10 TO  
15 MPH.  
 

 
 
MAZ002-190800-  
WESTERN FRANKLIN MA-  
INCLUDING THE CITIES OF ASHFIELD, CHARLEMONT, COLRAIN,  
AND SHELBURNE  
406 PM EDT THU APR 18 2024  
 
TONIGHT FRI FRI NIGHT SAT  
 
CLOUD COVER MCLDY MCLDY MCLDY MCLDY  
PRECIP TYPE SHOWERS NONE SHOWERS NONE  
CHANCE PRECIP (%) 30 10 40 10  
TEMP (24H TREND) 35 (-5) 57 (+15) 41 58  
RH % (24H TREND) 96 (-4) 49 (+7) 100 35  
20FT WND AM(MPH) LGT/VAR W 7 G17  
20FT WND PM(MPH) LGT/VAR S 7 S 8 W 11 G23  
PRECIP AMOUNT 0.01 0.00 0.03 0.00  
PRECIP DURATION 0 2  
PRECIP BEGIN 6 PM 7 PM  
PRECIP END 8 PM 6 AM  
MIXING HGT (FT-AGL) 490 3300 250 6850  
TRANSPORT WND (KTS) E 4 S 15 SW 6 W 22  
VENT RATE (KT-FT) 1960 49500 1500 150700  
MAX ADI EARLY 15 GEN POOR 21 FAIR 44 GEN GOOD 59 GEN GOOD  
MAX ADI LATE 4 VERY POOR 59 GEN GOOD 10 POOR 84 GOOD  
MAX LVORI EARLY 6 2 6 1  
MAX LVORI LATE 6 2 6 1  
MIN VSBY EARLY  
MIN VSBY LATE  
SUNSHINE HOURS N/A N/A N/A N/A  
CWR 30 0 10 0  
LAL NO TSTMS NO TSTMS NO TSTMS NO TSTMS  
HAINES INDEX 2 2 2 4  
 
REMARKS...NONE.  
   
FORECAST FOR DAYS 3 THROUGH 7
 
   
SATURDAY NIGHT
 
MOSTLY CLEAR. LOWS IN THE LOWER 30S. WEST WINDS  
15 TO 20 MPH.    
SUNDAY
 
MOSTLY SUNNY. HIGHS IN THE LOWER 50S. WEST WINDS 15 TO  
20 MPH.    
SUNDAY NIGHT THROUGH MONDAY NIGHT
 
MOSTLY CLEAR. LOWS IN THE  
MID 30S. HIGHS IN THE MID 50S. WEST WINDS 10 TO 15 MPH.    
TUESDAY
 
MOSTLY SUNNY. HIGHS IN THE LOWER 60S. SOUTH WINDS  
10 TO 15 MPH.    
TUESDAY NIGHT AND WEDNESDAY
 
MOSTLY CLOUDY WITH SHOWERS LIKELY.  
LOWS IN THE LOWER 40S. HIGHS IN THE LOWER 50S. WEST WINDS 10 TO  
15 MPH.    
WEDNESDAY NIGHT
 
PARTLY CLOUDY WITH A CHANCE OF RAIN SHOWERS.  
COLDER. LOWS IN THE LOWER 30S. NORTHWEST WINDS 10 TO 15 MPH.    
THURSDAY
 
SUNNY. HIGHS AROUND 50. NORTHWEST WINDS 10 TO 15 MPH.  
 

 
 
MAZ003-190800-  
EASTERN FRANKLIN MA-  
INCLUDING THE CITIES OF GREENFIELD, LEVERETT, NORTHFIELD, ORANGE,  
AND WHATELY  
406 PM EDT THU APR 18 2024  
 
TONIGHT FRI FRI NIGHT SAT  
 
CLOUD COVER MCLDY PCLDY MCLDY MCLDY  
PRECIP TYPE SHOWERS NONE SHOWERS NONE  
CHANCE PRECIP (%) 40 40 10  
TEMP (24H TREND) 38 (-5) 58 (+13) 43 62  
RH % (24H TREND) 92 (-8) 43 (+5) 100 31  
20FT WND AM(MPH) LGT/VAR W 6  
20FT WND PM(MPH) LGT/VAR S 7 S 8 W 10 G20  
PRECIP AMOUNT 0.01 0.00 0.02 0.00  
PRECIP DURATION 0 2  
PRECIP BEGIN 6 PM 7 PM  
PRECIP END 11 PM 6 AM  
MIXING HGT (FT-AGL) 520 3730 330 7030  
TRANSPORT WND (KTS) E 4 S 13 SW 6 W 19  
VENT RATE (KT-FT) 2080 48490 1980 133570  
MAX ADI EARLY 20 GEN POOR 24 FAIR 56 GEN GOOD 54 GEN GOOD  
MAX ADI LATE 3 VERY POOR 58 GEN GOOD 11 POOR 76 GOOD  
MAX LVORI EARLY 6 1 7 1  
MAX LVORI LATE 6 1 7 1  
MIN VSBY EARLY  
MIN VSBY LATE  
SUNSHINE HOURS N/A N/A N/A N/A  
CWR 30 0 10 0  
LAL NO TSTMS NO TSTMS NO TSTMS NO TSTMS  
HAINES INDEX 2 2 2 5  
 
REMARKS...NONE.  
   
FORECAST FOR DAYS 3 THROUGH 7
 
   
SATURDAY NIGHT
 
MOSTLY CLEAR. LOWS IN THE MID 30S. WEST WINDS  
10 TO 15 MPH.    
SUNDAY
 
MOSTLY SUNNY. HIGHS IN THE UPPER 50S. WEST WINDS 10 TO  
15 MPH.    
SUNDAY NIGHT AND MONDAY
 
MOSTLY CLEAR. LOWS IN THE MID 30S.  
HIGHS IN THE UPPER 50S. WEST WINDS 10 TO 15 MPH.    
MONDAY NIGHT
 
MOSTLY CLEAR. LOWS IN THE MID 30S. WEST WINDS  
5 TO 10 MPH.    
TUESDAY
 
MOSTLY SUNNY. HIGHS IN THE MID 60S. SOUTH WINDS 10 TO  
15 MPH.    
TUESDAY NIGHT AND WEDNESDAY
 
MOSTLY CLOUDY WITH SHOWERS LIKELY.  
LOWS IN THE LOWER 40S. HIGHS IN THE UPPER 50S. WEST WINDS 10 TO  
15 MPH.    
WEDNESDAY NIGHT
 
PARTLY CLOUDY WITH A CHANCE OF RAIN SHOWERS.  
COLDER. LOWS IN THE LOWER 30S. NORTHWEST WINDS 10 TO 15 MPH.    
THURSDAY
 
SUNNY. HIGHS IN THE MID 50S. NORTHWEST WINDS 10 TO  
15 MPH.  
 

 
 
MAZ008-190800-  
WESTERN HAMPSHIRE MA-  
INCLUDING THE CITIES OF CHESTERFIELD, PLAINFIELD, WESTHAMPTON,  
WILLIAMSBURG, AND WORTHINGTON  
406 PM EDT THU APR 18 2024  
 
TONIGHT FRI FRI NIGHT SAT  
 
CLOUD COVER MCLDY MCLDY MCLDY MCLDY  
PRECIP TYPE NONE NONE SHOWERS NONE  
CHANCE PRECIP (%) 30 10 40 10  
TEMP (24H TREND) 36 (-3) 56 (+14) 41 58  
RH % (24H TREND) 92 (-4) 47 (+6) 96 35  
20FT WND AM(MPH) LGT/VAR W 8 G18  
20FT WND PM(MPH) E 5 S 8 G17 S 9 G17 W 12 G25  
PRECIP AMOUNT 0.00 0.00 0.03 0.00  
PRECIP DURATION 2  
PRECIP BEGIN 7 PM  
PRECIP END 6 AM  
MIXING HGT (FT-AGL) 500 3160 260 7020  
TRANSPORT WND (KTS) E 5 S 14 SW 6 W 23  
VENT RATE (KT-FT) 2500 44240 1560 161460  
MAX ADI EARLY 12 POOR 18 GEN POOR 42 GEN GOOD 52 GEN GOOD  
MAX ADI LATE 5 VERY POOR 52 GEN GOOD 9 POOR 91 GOOD  
MAX LVORI EARLY 6 2 5 1  
MAX LVORI LATE 6 2 5 1  
MIN VSBY EARLY  
MIN VSBY LATE  
SUNSHINE HOURS N/A N/A N/A N/A  
CWR 0 0 10 0  
LAL NO TSTMS NO TSTMS NO TSTMS NO TSTMS  
HAINES INDEX 2 2 2 4  
 
REMARKS...NONE.  
   
FORECAST FOR DAYS 3 THROUGH 7
 
   
SATURDAY NIGHT
 
MOSTLY CLEAR. LOWS IN THE LOWER 30S. WEST WINDS  
15 TO 20 MPH.    
SUNDAY
 
MOSTLY SUNNY. HIGHS IN THE MID 50S. WEST WINDS 10 TO  
15 MPH.    
SUNDAY NIGHT THROUGH MONDAY NIGHT
 
MOSTLY CLEAR. LOWS IN THE  
MID 30S. HIGHS IN THE MID 50S. WEST WINDS 10 TO 15 MPH.    
TUESDAY
 
MOSTLY SUNNY. HIGHS IN THE LOWER 60S. SOUTH WINDS  
10 TO 15 MPH.    
TUESDAY NIGHT AND WEDNESDAY
 
MOSTLY CLOUDY WITH SHOWERS LIKELY.  
LOWS IN THE LOWER 40S. HIGHS IN THE MID 50S. NORTHWEST WINDS  
10 TO 15 MPH.    
WEDNESDAY NIGHT
 
PARTLY CLOUDY WITH A CHANCE OF RAIN SHOWERS.  
COLDER. LOWS IN THE LOWER 30S. NORTHWEST WINDS 10 TO 15 MPH.    
THURSDAY
 
SUNNY. HIGHS IN THE LOWER 50S. NORTHWEST WINDS 10 TO  
15 MPH.  
 

 
 
MAZ010-190800-  
EASTERN HAMPSHIRE MA-  
INCLUDING THE CITIES OF AMHERST, BELCHERTOWN, NORTHAMPTON,  
SOUTHAMPTON, AND WARE  
406 PM EDT THU APR 18 2024  
 
TONIGHT FRI FRI NIGHT SAT  
 
CLOUD COVER MCLDY PCLDY MCLDY MCLDY  
PRECIP TYPE SHOWERS NONE SHOWERS SHOWERS  
CHANCE PRECIP (%) 30 40 20  
TEMP (24H TREND) 38 (-5) 59 (+13) 43 62  
RH % (24H TREND) 92 (-8) 42 (+3) 100 33  
20FT WND AM(MPH) LGT/VAR W 6  
20FT WND PM(MPH) NE 5 S 7 S 8 W 10 G20  
PRECIP AMOUNT 0.01 0.00 0.03 0.01  
PRECIP DURATION 0 2 0  
PRECIP BEGIN 6 PM 7 PM CONTINUING  
PRECIP END 8 PM CONTINUING 9 AM  
MIXING HGT (FT-AGL) 510 3780 310 7070  
TRANSPORT WND (KTS) NE 4 S 12 SW 5 W 19  
VENT RATE (KT-FT) 2040 45360 1550 134330  
MAX ADI EARLY 15 GEN POOR 22 FAIR 50 GEN GOOD 53 GEN GOOD  
MAX ADI LATE 5 VERY POOR 51 GEN GOOD 9 POOR 76 GOOD  
MAX LVORI EARLY 5 1 7 1  
MAX LVORI LATE 5 1 7 1  
MIN VSBY EARLY  
MIN VSBY LATE  
SUNSHINE HOURS N/A N/A N/A N/A  
CWR 30 0 20 20  
LAL NO TSTMS NO TSTMS NO TSTMS NO TSTMS  
HAINES INDEX 2 2 2 4  
 
REMARKS...NONE.  
   
FORECAST FOR DAYS 3 THROUGH 7
 
   
SATURDAY NIGHT
 
MOSTLY CLEAR. LOWS IN THE MID 30S. WEST WINDS  
10 TO 15 MPH.    
SUNDAY
 
MOSTLY SUNNY. HIGHS IN THE UPPER 50S. WEST WINDS 10 TO  
15 MPH.    
SUNDAY NIGHT THROUGH MONDAY NIGHT
 
MOSTLY CLEAR. LOWS IN THE  
MID 30S. HIGHS IN THE LOWER 60S. SOUTHWEST WINDS 10 TO 15 MPH.    
TUESDAY
 
MOSTLY SUNNY. HIGHS IN THE MID 60S. SOUTH WINDS 10 TO  
15 MPH.    
TUESDAY NIGHT AND WEDNESDAY
 
MOSTLY CLOUDY WITH SHOWERS LIKELY.  
LOWS IN THE MID 40S. HIGHS IN THE UPPER 50S. WEST WINDS 10 TO  
15 MPH.    
WEDNESDAY NIGHT
 
PARTLY CLOUDY WITH A CHANCE OF RAIN SHOWERS.  
COLDER. LOWS IN THE LOWER 30S. NORTHWEST WINDS 10 TO 15 MPH.    
THURSDAY
 
SUNNY. HIGHS IN THE MID 50S. NORTHWEST WINDS 10 TO  
15 MPH.  
 

 
 
MAZ009-190800-  
WESTERN HAMPDEN MA-  
INCLUDING THE CITIES OF BLANDFORD, CHESTER, GRANVILLE,  
MONTGOMERY, RUSSELL, AND TOLLAND  
406 PM EDT THU APR 18 2024  
 
TONIGHT FRI FRI NIGHT SAT  
 
CLOUD COVER MCLDY MCLDY MCLDY MCLDY  
PRECIP TYPE NONE NONE SHOWERS NONE  
CHANCE PRECIP (%) 30 40 10  
TEMP (24H TREND) 36 (-2) 57 (+15) 42 60  
RH % (24H TREND) 96 (-4) 47 (+6) 100 35  
20FT WND AM(MPH) LGT/VAR W 8  
20FT WND PM(MPH) NE 5 SE 8 S 9 W 12 G23  
PRECIP AMOUNT 0.00 0.00 0.03 0.00  
PRECIP DURATION 2  
PRECIP BEGIN 7 PM  
PRECIP END 6 AM  
MIXING HGT (FT-AGL) 510 3270 270 6840  
TRANSPORT WND (KTS) NE 5 S 14 SW 6 W 22  
VENT RATE (KT-FT) 2550 45780 1620 150480  
MAX ADI EARLY 14 GEN POOR 18 GEN POOR 39 FAIR 49 GEN GOOD  
MAX ADI LATE 6 VERY POOR 50 GEN GOOD 9 POOR 89 GOOD  
MAX LVORI EARLY 6 2 6 1  
MAX LVORI LATE 6 2 6 1  
MIN VSBY EARLY  
MIN VSBY LATE  
SUNSHINE HOURS N/A N/A N/A N/A  
CWR 0 0 10 0  
LAL NO TSTMS NO TSTMS NO TSTMS NO TSTMS  
HAINES INDEX 2 2 2 4  
 
REMARKS...NONE.  
   
FORECAST FOR DAYS 3 THROUGH 7
 
   
SATURDAY NIGHT
 
MOSTLY CLEAR. LOWS IN THE MID 30S. NORTHWEST  
WINDS 15 TO 20 MPH.    
SUNDAY
 
MOSTLY SUNNY. HIGHS IN THE MID 50S. WEST WINDS 10 TO  
15 MPH.    
SUNDAY NIGHT THROUGH MONDAY NIGHT
 
MOSTLY CLEAR. LOWS IN THE  
MID 30S. HIGHS IN THE UPPER 50S. WEST WINDS 10 TO 15 MPH.    
TUESDAY
 
MOSTLY SUNNY. HIGHS IN THE LOWER 60S. SOUTH WINDS  
10 TO 15 MPH.    
TUESDAY NIGHT AND WEDNESDAY
 
MOSTLY CLOUDY WITH SHOWERS LIKELY.  
LOWS IN THE LOWER 40S. HIGHS IN THE MID 50S. NORTHWEST WINDS  
10 TO 15 MPH.    
WEDNESDAY NIGHT
 
PARTLY CLOUDY WITH A CHANCE OF RAIN SHOWERS.  
COLDER. LOWS IN THE LOWER 30S. NORTHWEST WINDS 10 TO 15 MPH.    
THURSDAY
 
SUNNY. HIGHS IN THE LOWER 50S. NORTHWEST WINDS 10 TO  
15 MPH.  
 

 
 
MAZ011-190800-  
EASTERN HAMPDEN MA-  
INCLUDING THE CITIES OF CHICOPEE, HOLLAND, PALMER, SOUTHWICK,  
SPRINGFIELD, AND WESTFIELD  
406 PM EDT THU APR 18 2024  
 
TONIGHT FRI FRI NIGHT SAT  
 
CLOUD COVER MCLDY PCLDY MCLDY MCLDY  
PRECIP TYPE SHOWERS NONE SHOWERS SHOWERS  
CHANCE PRECIP (%) 30 40 30  
TEMP (24H TREND) 38 (-5) 60 (+15) 43 62  
RH % (24H TREND) 92 (-8) 40 (+1) 100 29  
20FT WND AM(MPH) LGT/VAR W 6  
20FT WND PM(MPH) NE 5 S 7 S 8 W 10 G20  
PRECIP AMOUNT 0.01 0.00 0.03 0.01  
PRECIP DURATION 0 2 1  
PRECIP BEGIN 6 PM 7 PM CONTINUING  
PRECIP END 8 PM CONTINUING 12 PM  
MIXING HGT (FT-AGL) 520 3780 340 7020  
TRANSPORT WND (KTS) NE 5 S 12 SW 5 W 19  
VENT RATE (KT-FT) 2600 45360 1700 133380  
MAX ADI EARLY 14 GEN POOR 34 FAIR 45 GEN GOOD 50 GEN GOOD  
MAX ADI LATE 6 VERY POOR 50 GEN GOOD 8 POOR 74 GOOD  
MAX LVORI EARLY 5 1 6 1  
MAX LVORI LATE 5 1 6 1  
MIN VSBY EARLY  
MIN VSBY LATE  
SUNSHINE HOURS N/A N/A N/A N/A  
CWR 40 0 20 20  
LAL NO TSTMS NO TSTMS NO TSTMS NO TSTMS  
HAINES INDEX 2 2 2 4  
 
REMARKS...NONE.  
   
FORECAST FOR DAYS 3 THROUGH 7
 
   
SATURDAY NIGHT
 
MOSTLY CLEAR. LOWS IN THE MID 30S. WEST WINDS  
10 TO 15 MPH.    
SUNDAY
 
MOSTLY SUNNY. HIGHS IN THE UPPER 50S. WEST WINDS 10 TO  
15 MPH.    
SUNDAY NIGHT THROUGH MONDAY NIGHT
 
MOSTLY CLEAR. LOWS IN THE  
MID 30S. HIGHS IN THE LOWER 60S. WEST WINDS 10 TO 15 MPH.    
TUESDAY
 
MOSTLY SUNNY. HIGHS IN THE MID 60S. SOUTH WINDS 10 TO  
15 MPH.    
TUESDAY NIGHT AND WEDNESDAY
 
MOSTLY CLOUDY WITH A CHANCE OF  
SHOWERS. LOWS IN THE MID 40S. HIGHS IN THE UPPER 50S. WEST WINDS  
10 TO 15 MPH.    
WEDNESDAY NIGHT
 
PARTLY CLOUDY WITH A CHANCE OF SHOWERS.  
COLDER. LOWS IN THE MID 30S. NORTHWEST WINDS 10 TO 15 MPH.    
THURSDAY
 
SUNNY. HIGHS IN THE MID 50S. NORTHWEST WINDS 10 TO  
15 MPH.  
 

 
 
CTZ002-190800-  
HARTFORD CT-  
INCLUDING THE CITIES OF HARTFORD, GLASTONBURY, GRANBY,  
SOUTHINGTON, AND WINDSOR LOCKS  
406 PM EDT THU APR 18 2024  
 
TONIGHT FRI FRI NIGHT SAT  
 
CLOUD COVER MCLDY MCLDY MCLDY MCLDY  
PRECIP TYPE NONE NONE SHOWERS SHOWERS  
CHANCE PRECIP (%) 30 40 30  
TEMP (24H TREND) 39 (-3) 59 (+13) 44 65  
RH % (24H TREND) 92 (-8) 42 (+1) 100 31  
20FT WND AM(MPH) LGT/VAR W 5  
20FT WND PM(MPH) NE 5 SE 7 S 7 W 9 G19  
PRECIP AMOUNT 0.00 0.00 0.02 0.01  
PRECIP DURATION 2 1  
PRECIP BEGIN 7 PM CONTINUING  
PRECIP END CONTINUING 12 PM  
MIXING HGT (FT-AGL) 480 3690 300 6940  
TRANSPORT WND (KTS) NE 6 SE 13 SW 5 W 18  
VENT RATE (KT-FT) 2880 47970 1500 124920  
MAX ADI EARLY 15 GEN POOR 23 FAIR 36 FAIR 42 GEN GOOD  
MAX ADI LATE 6 VERY POOR 49 GEN GOOD 6 VERY POOR 73 GOOD  
MAX LVORI EARLY 5 1 6 1  
MAX LVORI LATE 5 1 6 1  
MIN VSBY EARLY  
MIN VSBY LATE  
SUNSHINE HOURS N/A N/A N/A N/A  
CWR 0 0 10 10  
LAL NO TSTMS NO TSTMS NO TSTMS NO TSTMS  
HAINES INDEX 2 2 2 4  
 
REMARKS...NONE.  
   
FORECAST FOR DAYS 3 THROUGH 7
 
   
SATURDAY NIGHT
 
MOSTLY CLEAR. LOWS IN THE UPPER 30S. NORTHWEST  
WINDS 10 TO 15 MPH.    
SUNDAY AND SUNDAY NIGHT
 
PARTLY CLOUDY. LOWS IN THE UPPER 30S.  
HIGHS AROUND 60. WEST WINDS 10 TO 15 MPH.    
MONDAY AND MONDAY NIGHT
 
MOSTLY CLEAR. LOWS IN THE UPPER 30S.  
HIGHS IN THE LOWER 60S. NORTHWEST WINDS 5 TO 10 MPH.    
TUESDAY
 
MOSTLY SUNNY. HIGHS IN THE MID 60S. SOUTH WINDS 10 TO  
15 MPH.    
TUESDAY NIGHT AND WEDNESDAY
 
MOSTLY CLOUDY WITH A CHANCE OF  
SHOWERS. LOWS IN THE MID 40S. HIGHS AROUND 60. NORTHWEST WINDS  
10 TO 15 MPH.    
WEDNESDAY NIGHT
 
PARTLY CLOUDY WITH A CHANCE OF RAIN SHOWERS.  
COLDER. LOWS IN THE MID 30S. NORTHWEST WINDS 10 TO 15 MPH.    
THURSDAY
 
SUNNY. HIGHS IN THE MID 50S. NORTHWEST WINDS 10 TO  
15 MPH.  
 

 
 
CTZ003-190800-  
TOLLAND CT-  
INCLUDING THE CITIES OF MANSFIELD, STAFFORD SPRINGS, AND VERNON  
406 PM EDT THU APR 18 2024  
 
TONIGHT FRI FRI NIGHT SAT  
 
CLOUD COVER MCLDY PCLDY MCLDY MCLDY  
PRECIP TYPE SHOWERS NONE SHOWERS SHOWERS  
CHANCE PRECIP (%) 40 40 40  
TEMP (24H TREND) 38 (-3) 58 (+13) 43 64  
RH % (24H TREND) 92 (-8) 42 (0) 100 33  
20FT WND AM(MPH) E 5 W 6  
20FT WND PM(MPH) NE 6 SE 7 S 7 W 10 G19  
PRECIP AMOUNT 0.01 0.00 0.04 0.01  
PRECIP DURATION 1 2 1  
PRECIP BEGIN 6 PM 8 PM CONTINUING  
PRECIP END 9 PM CONTINUING 1 PM  
MIXING HGT (FT-AGL) 490 3750 400 6970  
TRANSPORT WND (KTS) NE 6 SE 12 SW 6 W 18  
VENT RATE (KT-FT) 2940 45000 2400 125460  
MAX ADI EARLY 18 GEN POOR 38 FAIR 38 FAIR 45 GEN GOOD  
MAX ADI LATE 7 POOR 50 GEN GOOD 7 POOR 72 GOOD  
MAX LVORI EARLY 5 1 7 1  
MAX LVORI LATE 5 1 7 1  
MIN VSBY EARLY  
MIN VSBY LATE  
SUNSHINE HOURS N/A N/A N/A N/A  
CWR 30 0 20 20  
LAL NO TSTMS NO TSTMS NO TSTMS NO TSTMS  
HAINES INDEX 2 2 2 5  
 
REMARKS...NONE.  
   
FORECAST FOR DAYS 3 THROUGH 7
 
   
SATURDAY NIGHT
 
MOSTLY CLEAR. LOWS IN THE MID 30S. NORTHWEST  
WINDS 10 TO 15 MPH.    
SUNDAY AND SUNDAY NIGHT
 
PARTLY CLOUDY. LOWS IN THE MID 30S.  
HIGHS IN THE UPPER 50S. WEST WINDS 10 TO 15 MPH.    
MONDAY AND MONDAY NIGHT
 
MOSTLY CLEAR. LOWS IN THE UPPER 30S.  
HIGHS IN THE LOWER 60S. WEST WINDS 5 TO 10 MPH.    
TUESDAY
 
MOSTLY SUNNY. HIGHS IN THE LOWER 60S. SOUTH WINDS  
10 TO 15 MPH.    
TUESDAY NIGHT AND WEDNESDAY
 
MOSTLY CLOUDY WITH A CHANCE OF  
SHOWERS. LOWS IN THE MID 40S. HIGHS AROUND 60. WEST WINDS 10 TO  
15 MPH.    
WEDNESDAY NIGHT
 
PARTLY CLOUDY WITH A CHANCE OF SHOWERS.  
COLDER. LOWS IN THE MID 30S. NORTHWEST WINDS 10 TO 15 MPH.    
THURSDAY
 
SUNNY. HIGHS IN THE MID 50S. NORTHWEST WINDS 10 TO  
15 MPH.  
 

 
 
CTZ004-190800-  
WINDHAM CT-  
INCLUDING THE CITIES OF ASHFORD, PLAINFIELD, PUTNAM,  
AND WILLIMANTIC  
406 PM EDT THU APR 18 2024  
 
TONIGHT FRI FRI NIGHT SAT  
 
CLOUD COVER MCLDY PCLDY MCLDY MCLDY  
PRECIP TYPE SHOWERS NONE SHOWERS SHOWERS  
CHANCE PRECIP (%) 50 50 40  
TEMP (24H TREND) 39 (-3) 57 (+11) 43 64  
RH % (24H TREND) 92 (-8) 42 (-3) 100 35  
20FT WND AM(MPH) LGT/VAR W 5  
20FT WND PM(MPH) NE 6 SE 7 S 6 W 8 G18  
PRECIP AMOUNT 0.01 0.00 0.04 0.03  
PRECIP DURATION 1 2 1  
PRECIP BEGIN 6 PM 9 PM CONTINUING  
PRECIP END 1 AM CONTINUING 1 PM  
MIXING HGT (FT-AGL) 560 3840 430 7020  
TRANSPORT WND (KTS) NE 7 SE 12 SW 5 W 18  
VENT RATE (KT-FT) 3920 46080 2150 126360  
MAX ADI EARLY 17 GEN POOR 42 GEN GOOD 42 GEN GOOD 38 FAIR  
MAX ADI LATE 8 POOR 48 GEN GOOD 6 VERY POOR 71 GOOD  
MAX LVORI EARLY 5 1 7 1  
MAX LVORI LATE 5 1 7 1  
MIN VSBY EARLY  
MIN VSBY LATE  
SUNSHINE HOURS N/A N/A N/A N/A  
CWR 30 0 40 40  
LAL NO TSTMS NO TSTMS NO TSTMS NO TSTMS  
HAINES INDEX 2 2 2 5  
 
REMARKS...NONE.  
   
FORECAST FOR DAYS 3 THROUGH 7
 
   
SATURDAY NIGHT
 
MOSTLY CLEAR. LOWS IN THE MID 30S. NORTHWEST  
WINDS 10 TO 15 MPH.    
SUNDAY AND SUNDAY NIGHT
 
PARTLY CLOUDY. LOWS IN THE MID 30S.  
HIGHS AROUND 60. WEST WINDS 10 TO 15 MPH.    
MONDAY AND MONDAY NIGHT
 
MOSTLY CLEAR. LOWS IN THE UPPER 30S.  
HIGHS IN THE LOWER 60S. WEST WINDS 5 TO 10 MPH.    
TUESDAY
 
MOSTLY SUNNY. HIGHS IN THE MID 60S. SOUTH WINDS 10 TO  
15 MPH.    
TUESDAY NIGHT AND WEDNESDAY
 
MOSTLY CLOUDY WITH A CHANCE OF  
SHOWERS. LOWS IN THE MID 40S. HIGHS AROUND 60. WEST WINDS 10 TO  
15 MPH.    
WEDNESDAY NIGHT
 
PARTLY CLOUDY WITH A CHANCE OF SHOWERS.  
COLDER. LOWS IN THE MID 30S. NORTHWEST WINDS 10 TO 15 MPH.    
THURSDAY
 
SUNNY. HIGHS IN THE MID 50S. NORTHWEST WINDS 10 TO  
15 MPH.  
 

 
 
RIZ001-190800-  
NORTHWEST PROVIDENCE RI-  
INCLUDING THE CITIES OF CUMBERLAND, FOSTER, GLOCESTER,  
AND SMITHFIELD  
406 PM EDT THU APR 18 2024  
 
TONIGHT FRI FRI NIGHT SAT  
 
CLOUD COVER MCLDY PCLDY MCLDY MCLDY  
PRECIP TYPE SHOWERS NONE SHOWERS SHOWERS  
CHANCE PRECIP (%) 50 50 50  
TEMP (24H TREND) 39 (-4) 57 (+11) 44 63  
RH % (24H TREND) 92 (-4) 42 (-3) 100 34  
20FT WND AM(MPH) LGT/VAR W 5  
20FT WND PM(MPH) NE 6 SE 7 S 6 W 8  
PRECIP AMOUNT 0.02 0.00 0.03 0.05  
PRECIP DURATION 1 2 1  
PRECIP BEGIN 6 PM 9 PM CONTINUING  
PRECIP END 1 AM CONTINUING 2 PM  
MIXING HGT (FT-AGL) 580 4220 490 7190  
TRANSPORT WND (KTS) NE 8 SE 11 SW 6 W 16  
VENT RATE (KT-FT) 4640 46420 2940 115040  
MAX ADI EARLY 19 GEN POOR 54 GEN GOOD 44 GEN GOOD 35 FAIR  
MAX ADI LATE 8 POOR 56 GEN GOOD 6 VERY POOR 64 GOOD  
MAX LVORI EARLY 5 1 6 1  
MAX LVORI LATE 5 1 6 1  
MIN VSBY EARLY  
MIN VSBY LATE  
SUNSHINE HOURS N/A N/A N/A N/A  
CWR 20 0 30 30  
LAL NO TSTMS NO TSTMS NO TSTMS NO TSTMS  
HAINES INDEX 2 3 2 5  
 
REMARKS...NONE.  
   
FORECAST FOR DAYS 3 THROUGH 7
 
   
SATURDAY NIGHT
 
MOSTLY CLEAR. LOWS IN THE UPPER 30S. WEST WINDS  
5 TO 10 MPH.    
SUNDAY AND SUNDAY NIGHT
 
PARTLY CLOUDY. LOWS IN THE UPPER 30S.  
HIGHS IN THE UPPER 50S. WEST WINDS 10 TO 15 MPH.    
MONDAY AND MONDAY NIGHT
 
MOSTLY CLEAR. LOWS IN THE UPPER 30S.  
HIGHS IN THE LOWER 60S. WEST WINDS 5 TO 10 MPH.    
TUESDAY
 
MOSTLY SUNNY. HIGHS IN THE LOWER 60S. SOUTH WINDS  
10 TO 15 MPH.    
TUESDAY NIGHT AND WEDNESDAY
 
MOSTLY CLOUDY WITH A CHANCE OF  
SHOWERS. LOWS IN THE MID 40S. HIGHS AROUND 60. WEST WINDS 10 TO  
15 MPH.    
WEDNESDAY NIGHT
 
PARTLY CLOUDY WITH A CHANCE OF SHOWERS.  
COLDER. LOWS IN THE MID 30S. NORTHWEST WINDS 10 TO 15 MPH.    
THURSDAY
 
SUNNY. HIGHS IN THE MID 50S. NORTHWEST WINDS 10 TO  
15 MPH.  
 

 
 
RIZ002-190800-  
SOUTHEAST PROVIDENCE RI-  
INCLUDING THE CITIES OF CRANSTON, JOHNSTON, PAWTUCKET,  
AND PROVIDENCE  
406 PM EDT THU APR 18 2024  
 
TONIGHT FRI FRI NIGHT SAT  
 
CLOUD COVER MCLDY PCLDY MCLDY MCLDY  
PRECIP TYPE SHOWERS NONE SHOWERS SHOWERS  
CHANCE PRECIP (%) 50 60 50  
TEMP (24H TREND) 40 (-4) 57 (+9) 44 64  
RH % (24H TREND) 89 (-4) 43 (-5) 93 37  
20FT WND AM(MPH) E 5 LGT/VAR  
20FT WND PM(MPH) NE 6 SE 7 S 6 W 7  
PRECIP AMOUNT 0.02 0.00 0.03 0.09  
PRECIP DURATION 1 2 1  
PRECIP BEGIN 6 PM 9 PM CONTINUING  
PRECIP END 1 AM CONTINUING 2 PM  
MIXING HGT (FT-AGL) 610 4180 520 6290  
TRANSPORT WND (KTS) NE 9 SE 12 SW 6 W 15  
VENT RATE (KT-FT) 5490 50160 3120 94350  
MAX ADI EARLY 19 GEN POOR 57 GEN GOOD 43 GEN GOOD 30 FAIR  
MAX ADI LATE 7 POOR 57 GEN GOOD 6 VERY POOR 64 GOOD  
MAX LVORI EARLY 5 1 6 2  
MAX LVORI LATE 5 1 6 2  
MIN VSBY EARLY  
MIN VSBY LATE  
SUNSHINE HOURS N/A N/A N/A N/A  
CWR 20 0 30 40  
LAL NO TSTMS NO TSTMS NO TSTMS NO TSTMS  
HAINES INDEX 2 3 2 5  
 
REMARKS...NONE.  
   
FORECAST FOR DAYS 3 THROUGH 7
 
   
SATURDAY NIGHT
 
MOSTLY CLEAR. LOWS IN THE UPPER 30S. WEST WINDS  
5 TO 10 MPH.    
SUNDAY AND SUNDAY NIGHT
 
PARTLY CLOUDY. LOWS IN THE UPPER 30S.  
HIGHS AROUND 60. WEST WINDS 10 TO 15 MPH.    
MONDAY AND MONDAY NIGHT
 
MOSTLY CLEAR. LOWS IN THE UPPER 30S.  
HIGHS IN THE LOWER 60S. WEST WINDS 5 TO 10 MPH.    
TUESDAY
 
MOSTLY SUNNY. HIGHS IN THE LOWER 60S. SOUTH WINDS  
10 TO 15 MPH.    
TUESDAY NIGHT AND WEDNESDAY
 
MOSTLY CLOUDY WITH A CHANCE OF  
SHOWERS. LOWS IN THE MID 40S. HIGHS IN THE LOWER 60S. WEST WINDS  
10 TO 15 MPH.    
WEDNESDAY NIGHT
 
PARTLY CLOUDY WITH A CHANCE OF SHOWERS. LOWS  
IN THE UPPER 30S. NORTHWEST WINDS 10 TO 15 MPH.    
THURSDAY
 
SUNNY. HIGHS IN THE MID 50S. NORTHWEST WINDS 10 TO  
15 MPH.  
 

 
 
RIZ003-190800-  
WESTERN KENT RI-  
INCLUDING THE CITIES OF COVENTRY AND WEST GREENWICH  
406 PM EDT THU APR 18 2024  
 
TONIGHT FRI FRI NIGHT SAT  
 
CLOUD COVER MCLDY PCLDY MCLDY MCLDY  
PRECIP TYPE SHOWERS NONE SHOWERS SHOWERS  
CHANCE PRECIP (%) 50 60 50  
TEMP (24H TREND) 40 (-1) 55 (+10) 44 63  
RH % (24H TREND) 89 (-11) 47 (-3) 100 38  
20FT WND AM(MPH) E 6 W 5  
20FT WND PM(MPH) NE 7 SE 8 S 6 W 7  
PRECIP AMOUNT 0.02 0.00 0.03 0.07  
PRECIP DURATION 1 2 1  
PRECIP BEGIN 6 PM 9 PM CONTINUING  
PRECIP END 1 AM CONTINUING 2 PM  
MIXING HGT (FT-AGL) 610 3830 490 5880  
TRANSPORT WND (KTS) NE 9 SE 13 SW 5 W 15  
VENT RATE (KT-FT) 5490 49790 2450 88200  
MAX ADI EARLY 20 GEN POOR 59 GEN GOOD 42 GEN GOOD 29 FAIR  
MAX ADI LATE 11 POOR 56 GEN GOOD 5 VERY POOR 59 GEN GOOD  
MAX LVORI EARLY 4 1 7 3  
MAX LVORI LATE 4 1 7 3  
MIN VSBY EARLY  
MIN VSBY LATE  
SUNSHINE HOURS N/A N/A N/A N/A  
CWR 20 0 30 30  
LAL NO TSTMS NO TSTMS NO TSTMS NO TSTMS  
HAINES INDEX 2 3 2 5  
 
REMARKS...NONE.  
   
FORECAST FOR DAYS 3 THROUGH 7
 
   
SATURDAY NIGHT
 
MOSTLY CLEAR. LOWS IN THE UPPER 30S. NORTHWEST  
WINDS 5 TO 10 MPH.    
SUNDAY AND SUNDAY NIGHT
 
PARTLY CLOUDY. LOWS IN THE UPPER 30S.  
HIGHS IN THE UPPER 50S. WEST WINDS 10 TO 15 MPH.    
MONDAY AND MONDAY NIGHT
 
MOSTLY CLEAR. LOWS IN THE UPPER 30S.  
HIGHS IN THE LOWER 60S. NORTHWEST WINDS 5 TO 10 MPH.    
TUESDAY
 
MOSTLY SUNNY. HIGHS IN THE LOWER 60S. SOUTH WINDS  
10 TO 15 MPH.    
TUESDAY NIGHT AND WEDNESDAY
 
MOSTLY CLOUDY WITH A CHANCE OF  
SHOWERS. LOWS IN THE MID 40S. HIGHS AROUND 60. WEST WINDS 10 TO  
15 MPH.    
WEDNESDAY NIGHT
 
PARTLY CLOUDY WITH A CHANCE OF SHOWERS.  
COLDER. LOWS IN THE MID 30S. NORTHWEST WINDS 10 TO 15 MPH.    
THURSDAY
 
SUNNY. HIGHS IN THE MID 50S. NORTHWEST WINDS 10 TO  
15 MPH.  
 

 
 
RIZ004-190800-  
EASTERN KENT RI-  
INCLUDING THE CITIES OF EAST GREENWICH, WARWICK, AND WEST WARWICK  
406 PM EDT THU APR 18 2024  
 
TONIGHT FRI FRI NIGHT SAT  
 
CLOUD COVER MCLDY PCLDY MCLDY MCLDY  
PRECIP TYPE SHOWERS NONE SHOWERS SHOWERS  
CHANCE PRECIP (%) 50 60 50  
TEMP (24H TREND) 41 (-3) 56 (+9) 44 64  
RH % (24H TREND) 89 (-7) 47 (-2) 96 39  
20FT WND AM(MPH) E 6 LGT/VAR  
20FT WND PM(MPH) NE 7 SE 9 S 7 W 7  
PRECIP AMOUNT 0.02 0.00 0.03 0.08  
PRECIP DURATION 1 2 2  
PRECIP BEGIN 6 PM 10 PM CONTINUING  
PRECIP END 1 AM CONTINUING 4 PM  
MIXING HGT (FT-AGL) 590 3950 510 3970  
TRANSPORT WND (KTS) NE 9 SE 13 SW 6 W 12  
VENT RATE (KT-FT) 5310 51350 3060 47640  
MAX ADI EARLY 17 GEN POOR 59 GEN GOOD 32 FAIR 21 FAIR  
MAX ADI LATE 10 POOR 49 GEN GOOD 6 VERY POOR 48 GEN GOOD  
MAX LVORI EARLY 4 1 6 3  
MAX LVORI LATE 4 1 6 3  
MIN VSBY EARLY  
MIN VSBY LATE  
SUNSHINE HOURS N/A N/A N/A N/A  
CWR 10 0 20 40  
LAL NO TSTMS NO TSTMS NO TSTMS NO TSTMS  
HAINES INDEX 2 3 2 5  
 
REMARKS...NONE.  
   
FORECAST FOR DAYS 3 THROUGH 7
 
   
SATURDAY NIGHT
 
MOSTLY CLEAR. LOWS IN THE UPPER 30S. WEST WINDS  
5 TO 10 MPH.    
SUNDAY AND SUNDAY NIGHT
 
PARTLY CLOUDY. LOWS AROUND 40. HIGHS  
IN THE UPPER 50S. WEST WINDS 10 TO 15 MPH.    
MONDAY AND MONDAY NIGHT
 
MOSTLY CLEAR. LOWS AROUND 40. HIGHS IN  
THE LOWER 60S. WEST WINDS 5 TO 10 MPH.    
TUESDAY
 
MOSTLY SUNNY. HIGHS AROUND 60. SOUTH WINDS 10 TO  
15 MPH.    
TUESDAY NIGHT AND WEDNESDAY
 
MOSTLY CLOUDY WITH A CHANCE OF  
SHOWERS. LOWS IN THE MID 40S. HIGHS AROUND 60. SOUTHWEST WINDS  
10 TO 15 MPH.    
WEDNESDAY NIGHT
 
PARTLY CLOUDY WITH A CHANCE OF SHOWERS. LOWS  
IN THE UPPER 30S. NORTHWEST WINDS 10 TO 15 MPH.    
THURSDAY
 
SUNNY. HIGHS IN THE MID 50S. NORTHWEST WINDS 10 TO  
15 MPH.  
 

 
 
RIZ005-190800-  
BRISTOL RI-  
INCLUDING THE CITIES OF BARRINGTON, BRISTOL, AND WARREN  
406 PM EDT THU APR 18 2024  
 
TONIGHT FRI FRI NIGHT SAT  
 
CLOUD COVER MCLDY PCLDY MCLDY MCLDY  
PRECIP TYPE SHOWERS NONE SHOWERS SHOWERS  
CHANCE PRECIP (%) 40 60 60  
TEMP (24H TREND) 41 (-4) 57 (+9) 45 64  
RH % (24H TREND) 86 (0) 47 (-3) 100 40  
20FT WND AM(MPH) E 6 LGT/VAR  
20FT WND PM(MPH) NE 7 SE 9 S 7 W 7  
PRECIP AMOUNT 0.02 0.00 0.04 0.11  
PRECIP DURATION 1 2 2  
PRECIP BEGIN 6 PM 10 PM CONTINUING  
PRECIP END 1 AM CONTINUING 6 PM  
MIXING HGT (FT-AGL) 600 3930 530 3870  
TRANSPORT WND (KTS) NE 9 SE 13 SW 6 W 11  
VENT RATE (KT-FT) 5400 51090 3180 42570  
MAX ADI EARLY 17 GEN POOR 63 GOOD 40 FAIR 19 GEN POOR  
MAX ADI LATE 9 POOR 59 GEN GOOD 6 VERY POOR 42 GEN GOOD  
MAX LVORI EARLY 4 1 6 3  
MAX LVORI LATE 4 1 6 3  
MIN VSBY EARLY  
MIN VSBY LATE  
SUNSHINE HOURS N/A N/A N/A N/A  
CWR 10 0 30 40  
LAL NO TSTMS NO TSTMS NO TSTMS NO TSTMS  
HAINES INDEX 2 3 2 5  
 
REMARKS...NONE.  
   
FORECAST FOR DAYS 3 THROUGH 7
 
   
SATURDAY NIGHT
 
MOSTLY CLEAR. LOWS AROUND 40. WEST WINDS 5 TO  
10 MPH.    
SUNDAY AND SUNDAY NIGHT
 
PARTLY CLOUDY. LOWS IN THE LOWER 40S.  
HIGHS IN THE UPPER 50S. WEST WINDS 10 TO 15 MPH.    
MONDAY
 
SUNNY. HIGHS IN THE LOWER 60S. WEST WINDS 5 TO 10 MPH.    
MONDAY NIGHT
 
MOSTLY CLEAR. LOWS IN THE LOWER 40S. SOUTHWEST  
WINDS 5 TO 10 MPH, BECOMING NORTHWEST AFTER MIDNIGHT.    
TUESDAY
 
SUNNY. HIGHS AROUND 60. SOUTH WINDS 10 TO 15 MPH.    
TUESDAY NIGHT AND WEDNESDAY
 
MOSTLY CLOUDY WITH A CHANCE OF  
SHOWERS. LOWS IN THE UPPER 40S. HIGHS AROUND 60. SOUTHWEST WINDS  
10 TO 15 MPH.    
WEDNESDAY NIGHT
 
PARTLY CLOUDY WITH A CHANCE OF SHOWERS. LOWS  
IN THE UPPER 30S. NORTHWEST WINDS AROUND 15 MPH.    
THURSDAY
 
SUNNY. HIGHS IN THE MID 50S. NORTHWEST WINDS 10 TO  
15 MPH.  
 

 
 
RIZ006-190800-  
WASHINGTON RI-  
INCLUDING THE CITIES OF KINGSTON, NARRAGANSETT, RICHMOND,  
AND WESTERLY  
406 PM EDT THU APR 18 2024  
 
TONIGHT FRI FRI NIGHT SAT  
 
CLOUD COVER MCLDY PCLDY MCLDY MCLDY  
PRECIP TYPE SHOWERS NONE SHOWERS SHOWERS  
CHANCE PRECIP (%) 50 60 50  
TEMP (24H TREND) 40 (-3) 55 (+8) 44 64  
RH % (24H TREND) 89 (-11) 47 (+7) 100 40  
20FT WND AM(MPH) E 7 LGT/VAR  
20FT WND PM(MPH) NE 8 SE 9 SE 7 W 7  
PRECIP AMOUNT 0.01 0.00 0.04 0.10  
PRECIP DURATION 1 2 2  
PRECIP BEGIN 6 PM 10 PM CONTINUING  
PRECIP END 1 AM CONTINUING 6 PM  
MIXING HGT (FT-AGL) 600 3500 490 4280  
TRANSPORT WND (KTS) NE 11 SE 16 SW 5 W 12  
VENT RATE (KT-FT) 6600 56000 2450 51360  
MAX ADI EARLY 24 FAIR 56 GEN GOOD 30 FAIR 20 GEN POOR  
MAX ADI LATE 12 POOR 53 GEN GOOD 5 VERY POOR 37 FAIR  
MAX LVORI EARLY 4 2 6 3  
MAX LVORI LATE 4 2 6 3  
MIN VSBY EARLY  
MIN VSBY LATE  
SUNSHINE HOURS N/A N/A N/A N/A  
CWR 10 0 30 40  
LAL NO TSTMS NO TSTMS NO TSTMS NO TSTMS  
HAINES INDEX 2 2 2 4  
 
REMARKS...NONE.  
   
FORECAST FOR DAYS 3 THROUGH 7
 
   
SATURDAY NIGHT
 
MOSTLY CLEAR. LOWS IN THE UPPER 30S. NORTHWEST  
WINDS 5 TO 10 MPH.    
SUNDAY AND SUNDAY NIGHT
 
PARTLY CLOUDY. LOWS IN THE UPPER 30S.  
HIGHS IN THE UPPER 50S. WEST WINDS 10 TO 15 MPH.    
MONDAY AND MONDAY NIGHT
 
MOSTLY CLEAR. LOWS AROUND 40. HIGHS  
AROUND 60. WEST WINDS 5 TO 10 MPH.    
TUESDAY
 
SUNNY. HIGHS IN THE UPPER 50S. SOUTH WINDS 10 TO  
15 MPH.    
TUESDAY NIGHT AND WEDNESDAY
 
MOSTLY CLOUDY WITH A CHANCE OF  
SHOWERS. LOWS IN THE MID 40S. HIGHS IN THE UPPER 50S. SOUTHWEST  
WINDS 10 TO 15 MPH.    
WEDNESDAY NIGHT
 
PARTLY CLOUDY WITH A CHANCE OF SHOWERS. LOWS  
IN THE UPPER 30S. NORTHWEST WINDS 10 TO 15 MPH.    
THURSDAY
 
SUNNY. HIGHS IN THE MID 50S. NORTHWEST WINDS 10 TO  
15 MPH.  
 

 
 
RIZ007-190800-  
NEWPORT RI-  
INCLUDING THE CITIES OF NEWPORT, PORTSMOUTH, AND TIVERTON  
406 PM EDT THU APR 18 2024  
 
TONIGHT FRI FRI NIGHT SAT  
 
CLOUD COVER MCLDY PCLDY MCLDY MCLDY  
PRECIP TYPE SHOWERS NONE SHOWERS SHOWERS  
CHANCE PRECIP (%) 30 60 60  
TEMP (24H TREND) 41 (-3) 54 (+7) 44 63  
RH % (24H TREND) 86 (-10) 50 (-4) 100 46  
20FT WND AM(MPH) E 7 LGT/VAR  
20FT WND PM(MPH) NE 8 SE 9 SE 7 W 7  
PRECIP AMOUNT 0.02 0.00 0.04 0.15  
PRECIP DURATION 1 2 2  
PRECIP BEGIN 6 PM 10 PM CONTINUING  
PRECIP END 3 AM CONTINUING 6 PM  
MIXING HGT (FT-AGL) 600 3430 490 2680  
TRANSPORT WND (KTS) NE 10 SE 14 SW 5 W 10  
VENT RATE (KT-FT) 6000 48020 2450 26800  
MAX ADI EARLY 24 FAIR 61 GOOD 27 FAIR 14 GEN POOR  
MAX ADI LATE 12 POOR 55 GEN GOOD 8 POOR 25 FAIR  
MAX LVORI EARLY 4 2 7 4  
MAX LVORI LATE 4 2 7 4  
MIN VSBY EARLY  
MIN VSBY LATE  
SUNSHINE HOURS N/A N/A N/A N/A  
CWR 10 0 30 80  
LAL NO TSTMS NO TSTMS NO TSTMS NO TSTMS  
HAINES INDEX 2 3 2 4  
 
REMARKS...NONE.  
   
FORECAST FOR DAYS 3 THROUGH 7
 
   
SATURDAY NIGHT
 
MOSTLY CLEAR. LOWS AROUND 40. WEST WINDS 10 TO  
15 MPH.    
SUNDAY AND SUNDAY NIGHT
 
PARTLY CLOUDY. LOWS IN THE LOWER 40S.  
HIGHS IN THE UPPER 50S. WEST WINDS 10 TO 15 MPH.    
MONDAY
 
SUNNY. HIGHS IN THE UPPER 50S. WEST WINDS 5 TO 10 MPH.    
MONDAY NIGHT
 
MOSTLY CLEAR. LOWS IN THE LOWER 40S. WEST WINDS  
5 TO 10 MPH.    
TUESDAY
 
SUNNY. HIGHS IN THE UPPER 50S. SOUTH WINDS 10 TO  
15 MPH.    
TUESDAY NIGHT AND WEDNESDAY
 
MOSTLY CLOUDY WITH A CHANCE OF  
SHOWERS. LOWS IN THE UPPER 40S. HIGHS IN THE UPPER 50S. SOUTHWEST  
WINDS 10 TO 15 MPH.    
WEDNESDAY NIGHT
 
PARTLY CLOUDY WITH A CHANCE OF SHOWERS. LOWS  
IN THE UPPER 30S. NORTHWEST WINDS AROUND 15 MPH.    
THURSDAY
 
SUNNY. HIGHS IN THE MID 50S. NORTHWEST WINDS 10 TO  
15 MPH.  
 

 
 
RIZ008-190800-  
BLOCK ISLAND RI-  
INCLUDING THE CITY OF NEW SHOREHAM  
406 PM EDT THU APR 18 2024  
 
TONIGHT FRI FRI NIGHT SAT  
 
CLOUD COVER MCLDY PCLDY MCLDY MCLDY  
PRECIP TYPE SHOWERS NONE SHOWERS SHOWERS  
CHANCE PRECIP (%) 40 60 60  
TEMP (24H TREND) 42 (-1) 49 (+3) 45 58  
RH % (24H TREND) 86 (-10) 66 (0) 100 63  
20FT WND AM(MPH) E 8 SW 5  
20FT WND PM(MPH) NE 10 G18 E 9 SE 7 W 7  
PRECIP AMOUNT 0.01 0.00 0.05 0.15  
PRECIP DURATION 1 2 2  
PRECIP BEGIN 6 PM 10 PM CONTINUING  
PRECIP END 10 PM CONTINUING 6 PM  
MIXING HGT (FT-AGL) 1270 1220 440 850  
TRANSPORT WND (KTS) NE 17 NE 17 SW 6 W 9  
VENT RATE (KT-FT) 21590 20740 2640 7650  
MAX ADI EARLY 57 GEN GOOD 28 FAIR 16 GEN POOR 12 POOR  
MAX ADI LATE 26 FAIR 24 FAIR 8 POOR 13 GEN POOR  
MAX LVORI EARLY 4 4 8 4  
MAX LVORI LATE 4 4 8 4  
MIN VSBY EARLY  
MIN VSBY LATE  
SUNSHINE HOURS N/A N/A N/A N/A  
CWR 20 0 40 80  
LAL NO TSTMS NO TSTMS NO TSTMS NO TSTMS  
HAINES INDEX 2 2 2 5  
 
REMARKS...NONE.  
   
FORECAST FOR DAYS 3 THROUGH 7
 
   
SATURDAY NIGHT
 
MOSTLY CLEAR. LOWS IN THE LOWER 40S. NORTHWEST  
WINDS AROUND 10 MPH.    
SUNDAY
 
MOSTLY SUNNY. HIGHS IN THE LOWER 50S. WEST WINDS 10 TO  
15 MPH.    
SUNDAY NIGHT
 
MOSTLY CLOUDY. LOWS IN THE MID 40S. WEST WINDS  
10 TO 15 MPH.    
MONDAY
 
SUNNY. HIGHS IN THE LOWER 50S. WEST WINDS 5 TO 10 MPH.    
MONDAY NIGHT
 
MOSTLY CLEAR. LOWS IN THE MID 40S. SOUTHWEST  
WINDS 5 TO 10 MPH, BECOMING WEST AFTER MIDNIGHT.    
TUESDAY
 
SUNNY. HIGHS IN THE LOWER 50S. EAST WINDS 5 TO 10 MPH,  
BECOMING SOUTH IN THE AFTERNOON.    
TUESDAY NIGHT AND WEDNESDAY
 
MOSTLY CLOUDY WITH A CHANCE OF  
SHOWERS. LOWS IN THE UPPER 40S. HIGHS IN THE MID 50S. SOUTHWEST  
WINDS 10 TO 15 MPH.    
WEDNESDAY NIGHT
 
PARTLY CLOUDY WITH A CHANCE OF SHOWERS. LOWS  
IN THE UPPER 30S. NORTHWEST WINDS AROUND 15 MPH.    
THURSDAY
 
SUNNY. HIGHS AROUND 50. NORTHWEST WINDS 10 TO 15 MPH,  
BECOMING WEST IN THE AFTERNOON.  
 

 
 
MAZ017-190800-  
NORTHERN BRISTOL MA-  
INCLUDING THE CITIES OF ATTLEBORO, BERKLEY, EASTON, MANSFIELD,  
REHOBOTH, AND TAUNTON  
406 PM EDT THU APR 18 2024  
 
TONIGHT FRI FRI NIGHT SAT  
 
CLOUD COVER MCLDY PCLDY MCLDY MCLDY  
PRECIP TYPE SHOWERS NONE SHOWERS SHOWERS  
CHANCE PRECIP (%) 50 60 60  
TEMP (24H TREND) 41 (-4) 58 (+10) 44 64  
RH % (24H TREND) 89 (+3) 42 (-3) 93 35  
20FT WND AM(MPH) LGT/VAR LGT/VAR  
20FT WND PM(MPH) NE 5 SE 6 S 6 W 7  
PRECIP AMOUNT 0.02 0.00 0.03 0.11  
PRECIP DURATION 1 2 2  
PRECIP BEGIN 6 PM 10 PM CONTINUING  
PRECIP END 3 AM CONTINUING 6 PM  
MIXING HGT (FT-AGL) 500 4360 530 6580  
TRANSPORT WND (KTS) NE 9 SE 11 SW 6 W 13  
VENT RATE (KT-FT) 4500 47960 3180 85540  
MAX ADI EARLY 19 GEN POOR 70 GOOD 44 GEN GOOD 21 FAIR  
MAX ADI LATE 7 POOR 70 GOOD 7 POOR 58 GEN GOOD  
MAX LVORI EARLY 5 1 6 2  
MAX LVORI LATE 5 1 6 2  
MIN VSBY EARLY  
MIN VSBY LATE  
SUNSHINE HOURS N/A N/A N/A N/A  
CWR 20 0 30 50  
LAL NO TSTMS NO TSTMS NO TSTMS NO TSTMS  
HAINES INDEX 2 3 2 5  
 
REMARKS...NONE.  
   
FORECAST FOR DAYS 3 THROUGH 7
 
   
SATURDAY NIGHT
 
MOSTLY CLEAR. LOWS IN THE UPPER 30S. WEST WINDS  
5 TO 10 MPH.    
SUNDAY AND SUNDAY NIGHT
 
PARTLY CLOUDY. LOWS IN THE UPPER 30S.  
HIGHS AROUND 60. WEST WINDS 10 TO 15 MPH.    
MONDAY AND MONDAY NIGHT
 
MOSTLY CLEAR. LOWS IN THE UPPER 30S.  
HIGHS IN THE LOWER 60S. WEST WINDS 5 TO 10 MPH.    
TUESDAY
 
MOSTLY SUNNY. HIGHS IN THE LOWER 60S. SOUTH WINDS  
10 TO 15 MPH.    
TUESDAY NIGHT AND WEDNESDAY
 
MOSTLY CLOUDY WITH A CHANCE OF  
SHOWERS. LOWS IN THE MID 40S. HIGHS IN THE LOWER 60S. SOUTHWEST  
WINDS 10 TO 15 MPH.    
WEDNESDAY NIGHT
 
PARTLY CLOUDY WITH A CHANCE OF SHOWERS. LOWS  
IN THE UPPER 30S. NORTHWEST WINDS 10 TO 15 MPH.    
THURSDAY
 
SUNNY. HIGHS IN THE MID 50S. NORTHWEST WINDS 10 TO  
15 MPH.  
 

 
 
MAZ018-190800-  
WESTERN PLYMOUTH MA-  
INCLUDING THE CITIES OF BRIDGEWATER, BROCKTON, CARVER,  
MIDDLEBORO, AND PEMBROKE  
406 PM EDT THU APR 18 2024  
 
TONIGHT FRI FRI NIGHT SAT  
 
CLOUD COVER MCLDY PCLDY MCLDY MCLDY  
PRECIP TYPE SHOWERS NONE SHOWERS SHOWERS  
CHANCE PRECIP (%) 40 60 60  
TEMP (24H TREND) 41 (-4) 58 (+9) 44 64  
RH % (24H TREND) 89 (+3) 45 (0) 96 39  
20FT WND AM(MPH) E 5 SW 5  
20FT WND PM(MPH) NE 5 SE 7 S 7 W 7  
PRECIP AMOUNT 0.01 0.00 0.03 0.15  
PRECIP DURATION 1 2 4  
PRECIP BEGIN 6 PM 11 PM CONTINUING  
PRECIP END 3 AM CONTINUING 6 PM  
MIXING HGT (FT-AGL) 320 4330 510 6010  
TRANSPORT WND (KTS) NE 8 SE 12 SW 7 W 12  
VENT RATE (KT-FT) 2560 51960 3570 72120  
MAX ADI EARLY 17 GEN POOR 71 GOOD 45 GEN GOOD 19 GEN POOR  
MAX ADI LATE 7 POOR 60 GEN GOOD 8 POOR 47 GEN GOOD  
MAX LVORI EARLY 5 1 6 3  
MAX LVORI LATE 5 1 6 3  
MIN VSBY EARLY  
MIN VSBY LATE  
SUNSHINE HOURS N/A N/A N/A N/A  
CWR 10 0 30 80  
LAL NO TSTMS NO TSTMS NO TSTMS NO TSTMS  
HAINES INDEX 2 3 2 4  
 
REMARKS...NONE.  
   
FORECAST FOR DAYS 3 THROUGH 7
 
   
SATURDAY NIGHT
 
MOSTLY CLEAR. LOWS IN THE UPPER 30S. WEST WINDS  
5 TO 10 MPH.    
SUNDAY AND SUNDAY NIGHT
 
PARTLY CLOUDY. LOWS IN THE UPPER 30S.  
HIGHS AROUND 60. WEST WINDS 10 TO 15 MPH.    
MONDAY AND MONDAY NIGHT
 
MOSTLY CLEAR. LOWS IN THE UPPER 30S.  
HIGHS IN THE LOWER 60S. SOUTHWEST WINDS 5 TO 10 MPH.    
TUESDAY
 
MOSTLY SUNNY. HIGHS IN THE LOWER 60S. SOUTH WINDS  
10 TO 15 MPH.    
TUESDAY NIGHT AND WEDNESDAY
 
MOSTLY CLOUDY WITH A CHANCE OF  
SHOWERS. LOWS IN THE MID 40S. HIGHS IN THE LOWER 60S. SOUTHWEST  
WINDS 10 TO 15 MPH.    
WEDNESDAY NIGHT
 
PARTLY CLOUDY WITH A CHANCE OF SHOWERS. LOWS  
IN THE UPPER 30S. NORTHWEST WINDS AROUND 15 MPH.    
THURSDAY
 
SUNNY. HIGHS IN THE MID 50S. NORTHWEST WINDS 10 TO  
15 MPH.  
 

 
 
MAZ019-190800-  
EASTERN PLYMOUTH MA-  
INCLUDING THE CITIES OF COHASSET, HINGHAM, MARSHFIELD, PLYMOUTH,  
AND SCITUATE  
406 PM EDT THU APR 18 2024  
 
TONIGHT FRI FRI NIGHT SAT  
 
CLOUD COVER MCLDY PCLDY MCLDY MCLDY  
PRECIP TYPE SHOWERS NONE SHOWERS SHOWERS  
CHANCE PRECIP (%) 40 60 60  
TEMP (24H TREND) 40 (-4) 54 (+7) 44 63  
RH % (24H TREND) 89 (-4) 48 (-2) 96 42  
20FT WND AM(MPH) E 6 SW 6  
20FT WND PM(MPH) NE 6 SE 8 S 8 SW 7  
PRECIP AMOUNT 0.01 0.00 0.03 0.17  
PRECIP DURATION 1 2 4  
PRECIP BEGIN 6 PM 11 PM CONTINUING  
PRECIP END 4 AM CONTINUING 6 PM  
MIXING HGT (FT-AGL) 330 4110 240 4470  
TRANSPORT WND (KTS) E 9 SE 13 SE 15 SW 9  
VENT RATE (KT-FT) 2970 53430 3600 40230  
MAX ADI EARLY 18 GEN POOR 48 GEN GOOD 38 FAIR 15 GEN POOR  
MAX ADI LATE 8 POOR 49 GEN GOOD 10 POOR 27 FAIR  
MAX LVORI EARLY 4 2 5 3  
MAX LVORI LATE 4 2 5 3  
MIN VSBY EARLY  
MIN VSBY LATE  
SUNSHINE HOURS N/A N/A N/A N/A  
CWR 10 0 30 80  
LAL NO TSTMS NO TSTMS NO TSTMS NO TSTMS  
HAINES INDEX 2 4 2 4  
 
REMARKS...NONE.  
   
FORECAST FOR DAYS 3 THROUGH 7
 
   
SATURDAY NIGHT
 
MOSTLY CLEAR. LOWS AROUND 40. WEST WINDS 10 TO  
15 MPH.    
SUNDAY
 
SUNNY. HIGHS IN THE UPPER 50S. WEST WINDS 10 TO 15 MPH.   
SUNDAY NIGHT
 
PARTLY CLOUDY. LOWS AROUND 40. WEST WINDS 10 TO  
15 MPH.    
MONDAY AND MONDAY NIGHT
 
MOSTLY CLEAR. LOWS IN THE LOWER 40S.  
HIGHS IN THE UPPER 50S. SOUTHWEST WINDS 5 TO 10 MPH.    
TUESDAY
 
MOSTLY SUNNY. HIGHS IN THE UPPER 50S. SOUTH WINDS  
10 TO 15 MPH.    
TUESDAY NIGHT AND WEDNESDAY
 
MOSTLY CLOUDY WITH A CHANCE OF  
SHOWERS. LOWS IN THE MID 40S. HIGHS IN THE UPPER 50S. SOUTHWEST  
WINDS 10 TO 15 MPH.    
WEDNESDAY NIGHT
 
PARTLY CLOUDY WITH A CHANCE OF SHOWERS. LOWS  
IN THE UPPER 30S. NORTHWEST WINDS 10 TO 15 MPH.    
THURSDAY
 
SUNNY. HIGHS IN THE LOWER 50S. NORTHWEST WINDS 10 TO  
15 MPH.  
 

 
 
MAZ020-190800-  
SOUTHERN BRISTOL MA-  
INCLUDING THE CITIES OF ACUSHNET, FALL RIVER, NEW BEDFORD,  
SWANSEA, AND WESTPORT  
406 PM EDT THU APR 18 2024  
 
TONIGHT FRI FRI NIGHT SAT  
 
CLOUD COVER MCLDY PCLDY PCLDY MCLDY  
PRECIP TYPE SHOWERS NONE SHOWERS SHOWERS  
CHANCE PRECIP (%) 20 60 60  
TEMP (24H TREND) 41 (-4) 57 (+9) 44 65  
RH % (24H TREND) 89 (-7) 45 (-3) 100 41  
20FT WND AM(MPH) E 6 LGT/VAR  
20FT WND PM(MPH) NE 6 SE 8 SE 7 SW 7  
PRECIP AMOUNT 0.01 0.00 0.03 0.17  
PRECIP DURATION 1 2 4  
PRECIP BEGIN 6 PM 11 PM CONTINUING  
PRECIP END 3 AM CONTINUING 6 PM  
MIXING HGT (FT-AGL) 620 4020 480 3910  
TRANSPORT WND (KTS) NE 10 SE 13 SW 5 W 10  
VENT RATE (KT-FT) 6200 52260 2400 39100  
MAX ADI EARLY 20 GEN POOR 63 GOOD 36 FAIR 16 GEN POOR  
MAX ADI LATE 9 POOR 60 GEN GOOD 8 POOR 34 FAIR  
MAX LVORI EARLY 4 1 6 4  
MAX LVORI LATE 4 1 6 4  
MIN VSBY EARLY  
MIN VSBY LATE  
SUNSHINE HOURS N/A N/A N/A N/A  
CWR 10 0 30 90  
LAL NO TSTMS NO TSTMS NO TSTMS NO TSTMS  
HAINES INDEX 2 3 2 4  
 
REMARKS...NONE.  
   
FORECAST FOR DAYS 3 THROUGH 7
 
   
SATURDAY NIGHT
 
MOSTLY CLEAR. LOWS AROUND 40. WEST WINDS 10 TO  
15 MPH.    
SUNDAY
 
SUNNY. HIGHS IN THE UPPER 50S. WEST WINDS 5 TO 10 MPH,  
INCREASING TO SOUTHWEST 15 TO 20 MPH IN THE AFTERNOON.    
SUNDAY NIGHT
 
PARTLY CLOUDY. LOWS IN THE LOWER 40S. WEST WINDS  
10 TO 15 MPH.    
MONDAY AND MONDAY NIGHT
 
MOSTLY CLEAR. LOWS IN THE LOWER 40S.  
HIGHS AROUND 60. WEST WINDS 5 TO 10 MPH.    
TUESDAY
 
SUNNY. HIGHS IN THE UPPER 50S. SOUTH WINDS 10 TO  
15 MPH.    
TUESDAY NIGHT AND WEDNESDAY
 
MOSTLY CLOUDY WITH A CHANCE OF  
SHOWERS. LOWS IN THE MID 40S. HIGHS IN THE UPPER 50S. SOUTHWEST  
WINDS 10 TO 15 MPH.    
WEDNESDAY NIGHT
 
PARTLY CLOUDY WITH A CHANCE OF SHOWERS. LOWS  
IN THE UPPER 30S. NORTHWEST WINDS AROUND 15 MPH.    
THURSDAY
 
SUNNY. HIGHS IN THE MID 50S. NORTHWEST WINDS 10 TO  
15 MPH.  
 

 
 
MAZ021-190800-  
SOUTHERN PLYMOUTH MA-  
INCLUDING THE CITIES OF MARION, MATTAPOISETT, ROCHESTER,  
AND WAREHAM  
406 PM EDT THU APR 18 2024  
 
TONIGHT FRI FRI NIGHT SAT  
 
CLOUD COVER MCLDY PCLDY MCLDY MCLDY  
PRECIP TYPE SHOWERS NONE SHOWERS SHOWERS  
CHANCE PRECIP (%) 20 60 60  
TEMP (24H TREND) 41 (-4) 56 (+8) 44 65  
RH % (24H TREND) 89 (0) 47 (+4) 100 46  
20FT WND AM(MPH) E 6 SW 5  
20FT WND PM(MPH) NE 6 SE 8 SE 7 SW 6  
PRECIP AMOUNT 0.01 0.00 0.02 0.21  
PRECIP DURATION 1 2 4  
PRECIP BEGIN 6 PM 11 PM CONTINUING  
PRECIP END 4 AM CONTINUING 6 PM  
MIXING HGT (FT-AGL) 560 4020 510 2910  
TRANSPORT WND (KTS) NE 10 SE 12 SW 7 W 9  
VENT RATE (KT-FT) 5600 48240 3570 26190  
MAX ADI EARLY 19 GEN POOR 62 GOOD 37 FAIR 13 GEN POOR  
MAX ADI LATE 8 POOR 59 GEN GOOD 8 POOR 32 FAIR  
MAX LVORI EARLY 4 1 6 4  
MAX LVORI LATE 4 1 6 4  
MIN VSBY EARLY  
MIN VSBY LATE  
SUNSHINE HOURS N/A N/A N/A N/A  
CWR 10 0 20 90  
LAL NO TSTMS NO TSTMS NO TSTMS NO TSTMS  
HAINES INDEX 2 4 2 4  
 
REMARKS...NONE.  
   
FORECAST FOR DAYS 3 THROUGH 7
 
   
SATURDAY NIGHT
 
PARTLY CLOUDY. LOWS IN THE UPPER 30S. WEST  
WINDS 5 TO 10 MPH.    
SUNDAY
 
SUNNY. HIGHS IN THE UPPER 50S. WEST WINDS 10 TO 15 MPH.   
SUNDAY NIGHT
 
PARTLY CLOUDY. LOWS AROUND 40. WEST WINDS 10 TO  
15 MPH.    
MONDAY AND MONDAY NIGHT
 
MOSTLY CLEAR. LOWS IN THE LOWER 40S.  
HIGHS AROUND 60. SOUTHWEST WINDS 5 TO 10 MPH.    
TUESDAY
 
MOSTLY SUNNY. HIGHS IN THE UPPER 50S. SOUTH WINDS  
10 TO 15 MPH.    
TUESDAY NIGHT AND WEDNESDAY
 
MOSTLY CLOUDY WITH A CHANCE OF  
SHOWERS. LOWS IN THE MID 40S. HIGHS IN THE UPPER 50S. SOUTHWEST  
WINDS 10 TO 15 MPH.    
WEDNESDAY NIGHT
 
PARTLY CLOUDY WITH A CHANCE OF SHOWERS. LOWS  
IN THE UPPER 30S. NORTHWEST WINDS AROUND 15 MPH.    
THURSDAY
 
SUNNY. HIGHS IN THE MID 50S. NORTHWEST WINDS 10 TO  
15 MPH.  
 

 
 
MAZ022-190800-  
BARNSTABLE MA-  
INCLUDING THE CITIES OF BOURNE, CHATHAM, FALMOUTH, HYANNIS,  
PROVINCETOWN, AND WELLFLEET  
406 PM EDT THU APR 18 2024  
 
TONIGHT FRI FRI NIGHT SAT  
 
CLOUD COVER MCLDY PCLDY PCLDY MCLDY  
PRECIP TYPE SHOWERS NONE SHOWERS SHOWERS  
CHANCE PRECIP (%) 20 60 70  
TEMP (24H TREND) 40 (-3) 52 (+4) 43 60  
RH % (24H TREND) 89 (-4) 50 (-1) 100 52  
20FT WND AM(MPH) E 7 SW 5  
20FT WND PM(MPH) NE 7 SE 8 SE 7 SW 6  
PRECIP AMOUNT 0.00 0.00 0.02 0.25  
PRECIP DURATION 2 4  
PRECIP BEGIN 12 AM CONTINUING  
PRECIP END CONTINUING CONTINUING  
MIXING HGT (FT-AGL) 540 3690 370 2310  
TRANSPORT WND (KTS) E 12 SE 14 SE 14 W 8  
VENT RATE (KT-FT) 6480 51660 5180 18480  
MAX ADI EARLY 22 FAIR 51 GEN GOOD 26 FAIR 14 GEN POOR  
MAX ADI LATE 12 POOR 48 GEN GOOD 12 POOR 16 GEN POOR  
MAX LVORI EARLY 4 2 6 4  
MAX LVORI LATE 4 2 6 4  
MIN VSBY EARLY  
MIN VSBY LATE  
SUNSHINE HOURS N/A N/A N/A N/A  
CWR 0 20 100  
LAL NO TSTMS NO TSTMS NO TSTMS NO TSTMS  
HAINES INDEX 2 4 2 4  
 
REMARKS...NONE.  
   
FORECAST FOR DAYS 3 THROUGH 7
 
   
SATURDAY NIGHT
 
PARTLY CLOUDY WITH A CHANCE OF SHOWERS. LOWS IN  
THE LOWER 40S. WEST WINDS 5 TO 10 MPH.    
SUNDAY
 
SUNNY. HIGHS IN THE MID 50S. WEST WINDS 10 TO 15 MPH.    
SUNDAY NIGHT
 
PARTLY CLOUDY. LOWS IN THE LOWER 40S. SOUTHWEST  
WINDS 10 TO 15 MPH.    
MONDAY THROUGH TUESDAY
 
MOSTLY CLEAR. LOWS IN THE LOWER 40S.  
HIGHS IN THE MID 50S. SOUTH WINDS 10 TO 15 MPH.    
TUESDAY NIGHT
 
MOSTLY CLOUDY. LOWS IN THE MID 40S. SOUTH WINDS  
10 TO 15 MPH.    
WEDNESDAY
 
MOSTLY CLOUDY WITH A CHANCE OF SHOWERS. HIGHS IN THE  
MID 50S. SOUTH WINDS AROUND 15 MPH.    
WEDNESDAY NIGHT
 
PARTLY CLOUDY WITH A CHANCE OF SHOWERS. LOWS  
IN THE UPPER 30S. NORTHWEST WINDS 15 TO 20 MPH.    
THURSDAY
 
SUNNY. HIGHS IN THE LOWER 50S. NORTHWEST WINDS 10 TO  
15 MPH.  
 

 
 
MAZ023-190800-  
DUKES MA-  
INCLUDING THE CITIES OF EDGARTOWN, OAK BLUFFS, AND VINEYARD HAVEN  
406 PM EDT THU APR 18 2024  
 
TONIGHT FRI FRI NIGHT SAT  
 
CLOUD COVER MCLDY PCLDY MCLDY MCLDY  
PRECIP TYPE SHOWERS NONE SHOWERS SHOWERS  
CHANCE PRECIP (%) 20 60 60  
TEMP (24H TREND) 42 (-2) 53 (+5) 44 61  
RH % (24H TREND) 82 (-14) 54 (-2) 100 56  
20FT WND AM(MPH) E 9 SW 5  
20FT WND PM(MPH) NE 9 G17 SE 10 SE 8 SW 7  
PRECIP AMOUNT 0.00 0.00 0.02 0.23  
PRECIP DURATION 2 4  
PRECIP BEGIN 12 AM CONTINUING  
PRECIP END CONTINUING 6 PM  
MIXING HGT (FT-AGL) 790 2390 330 1150  
TRANSPORT WND (KTS) E 14 E 17 SW 6 W 8  
VENT RATE (KT-FT) 11060 40630 1980 9200  
MAX ADI EARLY 28 FAIR 43 GEN GOOD 24 FAIR 12 POOR  
MAX ADI LATE 17 GEN POOR 41 GEN GOOD 11 POOR 13 GEN POOR  
MAX LVORI EARLY 4 3 6 5  
MAX LVORI LATE 4 3 6 5  
MIN VSBY EARLY  
MIN VSBY LATE  
SUNSHINE HOURS N/A N/A N/A N/A  
CWR 0 20 100  
LAL NO TSTMS NO TSTMS NO TSTMS NO TSTMS  
HAINES INDEX 2 3 2 4  
 
REMARKS...NONE.  
   
FORECAST FOR DAYS 3 THROUGH 7
 
   
SATURDAY NIGHT
 
PARTLY CLOUDY WITH A CHANCE OF SHOWERS. LOWS IN  
THE LOWER 40S. WEST WINDS 10 TO 15 MPH.    
SUNDAY
 
SUNNY. HIGHS IN THE MID 50S. WEST WINDS 15 TO 20 MPH.    
SUNDAY NIGHT
 
MOSTLY CLOUDY. LOWS IN THE MID 40S. WEST WINDS  
15 TO 20 MPH.    
MONDAY
 
MOSTLY SUNNY. HIGHS IN THE MID 50S. WEST WINDS 5 TO  
10 MPH.    
MONDAY NIGHT
 
MOSTLY CLEAR. LOWS IN THE MID 40S. SOUTHWEST  
WINDS 5 TO 10 MPH.    
TUESDAY
 
SUNNY. HIGHS IN THE MID 50S. SOUTH WINDS 5 TO 10 MPH.    
TUESDAY NIGHT
 
MOSTLY CLOUDY. LOWS IN THE MID 40S. SOUTH WINDS  
10 TO 15 MPH.    
WEDNESDAY
 
MOSTLY CLOUDY WITH A CHANCE OF SHOWERS. HIGHS IN THE  
MID 50S. SOUTHWEST WINDS AROUND 15 MPH.    
WEDNESDAY NIGHT
 
PARTLY CLOUDY WITH A CHANCE OF SHOWERS. LOWS  
IN THE UPPER 30S. NORTHWEST WINDS AROUND 15 MPH.    
THURSDAY
 
SUNNY. HIGHS IN THE LOWER 50S. NORTHWEST WINDS 10 TO  
15 MPH.  
 

 
 
MAZ024-190800-  
NANTUCKET MA-  
INCLUDING THE CITY OF NANTUCKET  
406 PM EDT THU APR 18 2024  
 
TONIGHT FRI FRI NIGHT SAT  
 
CLOUD COVER MCLDY PCLDY PCLDY MCLDY  
PRECIP TYPE NONE NONE SHOWERS SHOWERS  
CHANCE PRECIP (%) 20 50 60  
TEMP (24H TREND) 41 (-3) 51 (+4) 44 56  
RH % (24H TREND) 86 (-10) 61 (+5) 96 70  
20FT WND AM(MPH) E 10 S 6  
20FT WND PM(MPH) E 11 G18 E 10 SE 9 SW 7  
PRECIP AMOUNT 0.00 0.00 0.01 0.27  
PRECIP DURATION 1 3  
PRECIP BEGIN 12 AM CONTINUING  
PRECIP END CONTINUING CONTINUING  
MIXING HGT (FT-AGL) 650 840 210 910  
TRANSPORT WND (KTS) E 18 E 17 S 7 W 10  
VENT RATE (KT-FT) 11700 14280 1470 9100  
MAX ADI EARLY 30 FAIR 23 FAIR 17 GEN POOR 13 GEN POOR  
MAX ADI LATE 21 FAIR 23 FAIR 13 GEN POOR 17 GEN POOR  
MAX LVORI EARLY 3 3 6 5  
MAX LVORI LATE 3 3 6 5  
MIN VSBY EARLY  
MIN VSBY LATE  
SUNSHINE HOURS N/A N/A N/A N/A  
CWR 0 0 20 100  
LAL NO TSTMS NO TSTMS NO TSTMS NO TSTMS  
HAINES INDEX 3 4 2 4  
 
REMARKS...NONE.  
   
FORECAST FOR DAYS 3 THROUGH 7
 
   
SATURDAY NIGHT
 
PARTLY CLOUDY WITH A CHANCE OF SHOWERS. LOWS IN  
THE LOWER 40S. WEST WINDS 10 TO 15 MPH.    
SUNDAY
 
SUNNY. HIGHS IN THE LOWER 50S. WEST WINDS 10 TO 15 MPH.   
SUNDAY NIGHT
 
MOSTLY CLOUDY. LOWS IN THE MID 40S. WEST WINDS  
10 TO 15 MPH.    
MONDAY
 
MOSTLY SUNNY. HIGHS IN THE LOWER 50S. WEST WINDS AROUND  
10 MPH.    
MONDAY NIGHT
 
MOSTLY CLEAR. LOWS IN THE MID 40S. SOUTHWEST  
WINDS 5 TO 10 MPH.    
TUESDAY
 
SUNNY. HIGHS IN THE LOWER 50S. SOUTH WINDS 5 TO  
10 MPH.    
TUESDAY NIGHT
 
MOSTLY CLOUDY. LOWS IN THE MID 40S. SOUTH WINDS  
10 TO 15 MPH.    
WEDNESDAY AND WEDNESDAY NIGHT
 
MOSTLY CLOUDY WITH A CHANCE OF  
SHOWERS. LOWS 40 TO 46. HIGHS IN THE MID 50S. NORTH WINDS AROUND  
15 MPH.    
THURSDAY
 
MOSTLY SUNNY. HIGHS AROUND 50. NORTHWEST WINDS AROUND  
15 MPH.  
 

 
   
OUTLOOK 8 TO 14 DAYS
 
 
|* INSERT OUTLOOK HERE *|  
 

 
 
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