881
FNUS51 KBOX 182010
FWFBOX
FIRE WEATHER PLANNING FORECAST FOR SOUTHERN NEW ENGLAND
NATIONAL WEATHER SERVICE BOSTON/NORTON MA
410 PM EDT MON MAY 18 2026
DISCUSSION
FOR THE REST OF THIS AFTERNOON, WARM CONDITIONS EXPECTED TO
CONTINUE, ESPECIALLY FURTHER FROM THE COAST. BREEZY SE WINDS
EXPECTED TO CONTINUE BEFORE SHIFTING MORE SW TONIGHT AND
WEAKENING. RECORD HEAT LIKELY TUESDAY WITH A FEW SHOWERS AND
THUNDERSTORMS POSSIBLE IN THE AFTERNOON. SW WINDS PICK BACK UP
THEN AS WELL, WITH GUSTS TO 25-30 MPH POSSIBLE, SUSTAINED BETWEEN
10-20 MPH.
ON TUESDAY, MINIMUM RELATIVE HUMIDITY WILL BE 30 TO 40 PERCENT,
EXCEPT 50 TO 65 PERCENT ALONG THE IMMEDIATE SOUTH COAST AND
CAPE/ISLANDS.
OUTLOOK...WEDNESDAY THROUGH SUNDAY
HOT CONDITIONS CONTINUE INTO WEDNESDAY WITH SCATTERED STRONG TO
SEVERE THUNDERSTORMS IN THE AFTERNOON AS A COLD FRONT MOVES INTO
THE REGION. TURNING COOLER AND DRIER THURSDAY AND FRIDAY, THEN AN
APPROACHING FRONTAL BOUNDARY FROM THE SOUTH WILL BRING AN
INCREASING RISK FOR SHOWERS NEXT WEEKEND.
MAZ015-190800-
SUFFOLK MA-
INCLUDING THE CITY OF BOSTON
410 PM EDT MON MAY 18 2026
TONIGHT TUE TUE NIGHT WED
CLOUD COVER MCLEAR PCLDY MCLEAR PCLDY
PRECIP TYPE NONE NONE NONE TSTMS
CHANCE PRECIP (%) 10 20 60
CHANCE OF THUNDER (%) 0 0 0 20
TEMP (24H TREND) 62 (+5) 95 (+19) 70 91
RH % (24H TREND) 90 (+7) 30 (+5) 84 39
20FT WND AM(MPH) SW 6 SW 8 G17
20FT WND PM(MPH) S 6 SW 9 G18 SW 8 G17 W 11 G19
PRECIP AMOUNT 0.00 0.00 0.00 0.04
PRECIP DURATION 3
PRECIP BEGIN 12 PM
PRECIP END 6 PM
MIXING HGT (FT-AGL) 420 7280 570 7760
TRANSPORT WND (KTS) S 8 W 17 SW 13 W 19
VENT RATE (KT-FT) 3360 123760 7410 147440
MAX ADI EARLY 11 POOR 46 GEN GOOD 28 FAIR 55 GEN GOOD
MAX ADI LATE 14 GEN POOR 63 GOOD 15 GEN POOR 74 GOOD
MAX LVORI EARLY 4 1 3 2
MAX LVORI LATE 4 1 3 2
MIN VSBY EARLY 9 8 9 8
MIN VSBY LATE 8 9 8 9
SUNSHINE HOURS N/A N/A N/A N/A
CWR 0 0 0 10
REMARKS...NONE.
FORECAST FOR DAYS 3 THROUGH 7
WEDNESDAY NIGHT
MOSTLY CLOUDY WITH A CHANCE OF SHOWERS. LOWS
IN THE MID 50S. NORTHWEST WINDS 10 TO 15 MPH.
THURSDAY AND THURSDAY NIGHT
PARTLY CLOUDY. LOWS 49 TO 55.
HIGHS IN THE UPPER 60S. NORTH WINDS 5 TO 10 MPH.
FRIDAY
MOSTLY SUNNY. HIGHS IN THE UPPER 60S. NORTHEAST WINDS
AROUND 5 MPH, BECOMING SOUTHEAST IN THE AFTERNOON.
FRIDAY NIGHT
MOSTLY CLOUDY WITH A CHANCE OF SHOWERS. LOWS IN
THE UPPER 40S. SOUTHWEST WINDS 5 TO 10 MPH.
SATURDAY
MOSTLY CLOUDY WITH SHOWERS LIKELY. HIGHS IN THE LOWER
60S. EAST WINDS 5 TO 10 MPH.
SATURDAY NIGHT
MOSTLY CLOUDY WITH SHOWERS LIKELY. LOWS IN THE
UPPER 40S. EAST WINDS 5 TO 10 MPH.
SUNDAY
MOSTLY CLOUDY WITH SHOWERS LIKELY. HIGHS IN THE LOWER
60S. EAST WINDS 5 TO 10 MPH.
SUNDAY NIGHT AND MONDAY
MOSTLY CLOUDY WITH A CHANCE OF
SHOWERS. LOWS AROUND 50. HIGHS IN THE MID 60S. EAST WINDS 5 TO
10 MPH.
MAZ016-190800-
EASTERN NORFOLK MA-
INCLUDING THE CITY OF QUINCY
410 PM EDT MON MAY 18 2026
TONIGHT TUE TUE NIGHT WED
CLOUD COVER MCLEAR MCLEAR MCLEAR PCLDY
PRECIP TYPE NONE NONE NONE TSTMS
CHANCE PRECIP (%) 10 10 60
CHANCE OF THUNDER (%) 0 0 0 20
TEMP (24H TREND) 63 (+6) 94 (+16) 69 91
RH % (24H TREND) 90 (+7) 31 (-1) 84 36
20FT WND AM(MPH) SW 6 SW 7
20FT WND PM(MPH) S 6 SW 9 G18 SW 9 G18 W 10 G19
PRECIP AMOUNT 0.00 0.00 0.00 0.04
PRECIP DURATION 3
PRECIP BEGIN 12 PM
PRECIP END CONTINUING
MIXING HGT (FT-AGL) 440 6920 560 7660
TRANSPORT WND (KTS) SW 13 W 17 SW 13 W 19
VENT RATE (KT-FT) 5720 117640 7280 145540
MAX ADI EARLY 16 GEN POOR 44 GEN GOOD 25 FAIR 62 GOOD
MAX ADI LATE 15 GEN POOR 81 GOOD 16 GEN POOR 82 GOOD
MAX LVORI EARLY 4 1 3 2
MAX LVORI LATE 4 1 3 2
MIN VSBY EARLY 9 8 9 7
MIN VSBY LATE 8 9 7 7
SUNSHINE HOURS N/A N/A N/A N/A
CWR 0 0 0 20
REMARKS...NONE.
FORECAST FOR DAYS 3 THROUGH 7
WEDNESDAY NIGHT
MOSTLY CLOUDY WITH A CHANCE OF SHOWERS. LOWS
IN THE MID 50S. NORTHWEST WINDS 10 TO 15 MPH.
THURSDAY AND THURSDAY NIGHT
PARTLY CLOUDY. LOWS 48 TO 54.
HIGHS IN THE MID 60S. NORTHWEST WINDS 5 TO 10 MPH.
FRIDAY
MOSTLY SUNNY. HIGHS IN THE UPPER 60S. NORTHEAST WINDS
AROUND 5 MPH, BECOMING SOUTHEAST AROUND 5 MPH IN THE AFTERNOON.
FRIDAY NIGHT
MOSTLY CLOUDY WITH A CHANCE OF SHOWERS. LOWS IN
THE UPPER 40S. SOUTH WINDS 5 TO 10 MPH.
SATURDAY
MOSTLY CLOUDY WITH SHOWERS LIKELY. HIGHS IN THE LOWER
60S. EAST WINDS 5 TO 10 MPH.
SATURDAY NIGHT AND SUNDAY
MOSTLY CLOUDY WITH SHOWERS LIKELY.
LOWS IN THE UPPER 40S. HIGHS IN THE LOWER 60S. EAST WINDS 5 TO
10 MPH.
SUNDAY NIGHT AND MONDAY
MOSTLY CLOUDY WITH A CHANCE OF
SHOWERS. LOWS IN THE UPPER 40S. HIGHS IN THE MID 60S. EAST WINDS
AROUND 5 MPH.
MAZ013-190800-
WESTERN NORFOLK MA-
INCLUDING THE CITIES OF FOXBOROUGH AND NORWOOD
410 PM EDT MON MAY 18 2026
TONIGHT TUE TUE NIGHT WED
CLOUD COVER MCLEAR MCLEAR MCLEAR PCLDY
PRECIP TYPE NONE NONE NONE TSTMS
CHANCE PRECIP (%) 10 10 60
CHANCE OF THUNDER (%) 0 0 0 20
TEMP (24H TREND) 63 (+6) 93 (+13) 68 92
RH % (24H TREND) 93 (-7) 30 (-1) 84 38
20FT WND AM(MPH) SW 5 SW 7
20FT WND PM(MPH) S 6 SW 8 G18 SW 7 G17 W 9 G18
PRECIP AMOUNT 0.00 0.00 0.00 0.04
PRECIP DURATION 3
PRECIP BEGIN 12 PM
PRECIP END CONTINUING
MIXING HGT (FT-AGL) 430 7840 480 7840
TRANSPORT WND (KTS) SW 11 W 19 SW 11 W 21
VENT RATE (KT-FT) 4730 148960 5280 164640
MAX ADI EARLY 41 GEN GOOD 60 GEN GOOD 37 FAIR 105 VERY GOOD
MAX ADI LATE 12 POOR 105 VERY GOOD13 GEN POOR 88 GOOD
MAX LVORI EARLY 4 1 3 2
MAX LVORI LATE 4 1 3 2
MIN VSBY EARLY 9 8 8 8
MIN VSBY LATE 8 9 8 7
SUNSHINE HOURS N/A N/A N/A N/A
CWR 0 0 0 20
REMARKS...NONE.
FORECAST FOR DAYS 3 THROUGH 7
WEDNESDAY NIGHT
MOSTLY CLOUDY WITH A CHANCE OF SHOWERS. LOWS
IN THE LOWER 50S. NORTHWEST WINDS 5 TO 10 MPH.
THURSDAY AND THURSDAY NIGHT
PARTLY CLOUDY. LOWS 46 TO 53.
HIGHS IN THE UPPER 60S. NORTH WINDS AROUND 5 MPH.
FRIDAY
MOSTLY SUNNY. HIGHS IN THE UPPER 60S. NORTHEAST WINDS
AROUND 5 MPH, BECOMING SOUTHEAST AROUND 5 MPH IN THE AFTERNOON.
FRIDAY NIGHT
MOSTLY CLOUDY WITH A CHANCE OF SHOWERS. LOWS IN
THE UPPER 40S. SOUTH WINDS AROUND 5 MPH.
SATURDAY
MOSTLY CLOUDY WITH SHOWERS LIKELY. HIGHS IN THE LOWER
60S. EAST WINDS AROUND 5 MPH.
SATURDAY NIGHT
MOSTLY CLOUDY WITH SHOWERS LIKELY. LOWS IN THE
UPPER 40S. EAST WINDS AROUND 5 MPH.
SUNDAY
MOSTLY CLOUDY WITH SHOWERS LIKELY. HIGHS IN THE LOWER
60S. EAST WINDS AROUND 5 MPH.
SUNDAY NIGHT AND MONDAY
MOSTLY CLOUDY WITH A CHANCE OF
SHOWERS. LOWS IN THE UPPER 40S. HIGHS IN THE UPPER 60S. EAST
WINDS AROUND 5 MPH.
MAZ014-190800-
SOUTHEAST MIDDLESEX MA-
INCLUDING THE CITY OF CAMBRIDGE
410 PM EDT MON MAY 18 2026
TONIGHT TUE TUE NIGHT WED
CLOUD COVER MCLEAR PCLDY MCLEAR PCLDY
PRECIP TYPE NONE NONE NONE TSTMS
CHANCE PRECIP (%) 10 20 60
CHANCE OF THUNDER (%) 0 0 0 20
TEMP (24H TREND) 64 (+7) 94 (+17) 72 91
RH % (24H TREND) 87 (-9) 30 (0) 79 38
20FT WND AM(MPH) SW 5 SW 7 G18
20FT WND PM(MPH) LGT/VAR W 9 G18 SW 7 W 10 G20
PRECIP AMOUNT 0.00 0.00 0.00 0.03
PRECIP DURATION 2
PRECIP BEGIN 12 PM
PRECIP END 6 PM
MIXING HGT (FT-AGL) 450 8510 560 7810
TRANSPORT WND (KTS) SW 11 W 21 SW 12 W 22
VENT RATE (KT-FT) 4950 178710 6720 171820
MAX ADI EARLY 14 GEN POOR 76 GOOD 50 GEN GOOD 72 GOOD
MAX ADI LATE 12 POOR 104 VERY GOOD13 GEN POOR 91 GOOD
MAX LVORI EARLY 4 1 3 2
MAX LVORI LATE 4 1 3 2
MIN VSBY EARLY 9 8 9 8
MIN VSBY LATE 9 9 8 9
SUNSHINE HOURS N/A N/A N/A N/A
CWR 0 0 0 10
REMARKS...NONE.
FORECAST FOR DAYS 3 THROUGH 7
WEDNESDAY NIGHT
MOSTLY CLOUDY WITH A CHANCE OF SHOWERS. LOWS
IN THE MID 50S. NORTHWEST WINDS 5 TO 10 MPH.
THURSDAY
MOSTLY SUNNY. HIGHS IN THE UPPER 60S. NORTHWEST WINDS
5 TO 10 MPH.
THURSDAY NIGHT
MOSTLY CLEAR. LOWS IN THE UPPER 40S. NORTH
WINDS AROUND 5 MPH.
FRIDAY
MOSTLY SUNNY. HIGHS IN THE UPPER 60S. NORTHEAST WINDS
AROUND 5 MPH, BECOMING SOUTHEAST AROUND 5 MPH IN THE AFTERNOON.
FRIDAY NIGHT
MOSTLY CLOUDY WITH A CHANCE OF SHOWERS. LOWS IN
THE UPPER 40S. SOUTHWEST WINDS AROUND 5 MPH.
SATURDAY
MOSTLY CLOUDY WITH A CHANCE OF SHOWERS. HIGHS IN THE
LOWER 60S. EAST WINDS AROUND 5 MPH.
SATURDAY NIGHT
MOSTLY CLOUDY WITH SHOWERS LIKELY. LOWS IN THE
UPPER 40S. EAST WINDS AROUND 5 MPH.
SUNDAY
MOSTLY CLOUDY WITH SHOWERS LIKELY. HIGHS IN THE LOWER
60S. EAST WINDS AROUND 5 MPH.
SUNDAY NIGHT AND MONDAY
MOSTLY CLOUDY WITH A CHANCE OF
SHOWERS. LOWS IN THE UPPER 40S. HIGHS IN THE MID 60S. EAST WINDS
AROUND 5 MPH.
MAZ007-190800-
EASTERN ESSEX MA-
INCLUDING THE CITY OF GLOUCESTER
410 PM EDT MON MAY 18 2026
TONIGHT TUE TUE NIGHT WED
CLOUD COVER MCLEAR MCLEAR PCLDY PCLDY
PRECIP TYPE NONE NONE NONE TSTMS
CHANCE PRECIP (%) 10 20 50
CHANCE OF THUNDER (%) 0 0 0 20
TEMP (24H TREND) 57 (+3) 94 (+25) 67 89
RH % (24H TREND) 96 (0) 32 (+5) 87 36
20FT WND AM(MPH) SW 5 SW 7 G17
20FT WND PM(MPH) LGT/VAR SW 8 G17 SW 7 W 9 G19
PRECIP AMOUNT 0.00 0.00 0.00 0.02
PRECIP DURATION 1
PRECIP BEGIN 12 PM
PRECIP END 6 PM
MIXING HGT (FT-AGL) 390 6100 460 6110
TRANSPORT WND (KTS) SW 11 W 16 SW 12 W 19
VENT RATE (KT-FT) 4290 97600 5520 116090
MAX ADI EARLY 10 POOR 36 FAIR 26 FAIR 55 GEN GOOD
MAX ADI LATE 12 POOR 58 GEN GOOD 15 GEN POOR 61 GOOD
MAX LVORI EARLY 5 1 3 2
MAX LVORI LATE 5 1 3 2
MIN VSBY EARLY 8 7 9 8
MIN VSBY LATE 7 9 8 9
SUNSHINE HOURS N/A N/A N/A N/A
CWR 0 0 0 10
REMARKS...NONE.
FORECAST FOR DAYS 3 THROUGH 7
WEDNESDAY NIGHT
MOSTLY CLOUDY WITH A CHANCE OF SHOWERS. LOWS
IN THE LOWER 50S. NORTHWEST WINDS 10 TO 15 MPH.
THURSDAY
MOSTLY SUNNY. HIGHS IN THE MID 60S. NORTH WINDS 5 TO
10 MPH.
THURSDAY NIGHT
MOSTLY CLEAR. LOWS IN THE UPPER 40S. NORTHWEST
WINDS AROUND 5 MPH.
FRIDAY
MOSTLY SUNNY. HIGHS IN THE MID 60S. NORTH WINDS AROUND
5 MPH, BECOMING SOUTHEAST IN THE AFTERNOON.
FRIDAY NIGHT
MOSTLY CLOUDY WITH A CHANCE OF SHOWERS. LOWS IN
THE UPPER 40S. SOUTH WINDS 5 TO 10 MPH, BECOMING SOUTHWEST AFTER
MIDNIGHT.
SATURDAY
MOSTLY CLOUDY WITH A CHANCE OF SHOWERS. HIGHS AROUND
60. EAST WINDS 5 TO 10 MPH.
SATURDAY NIGHT
MOSTLY CLOUDY WITH SHOWERS LIKELY. LOWS IN THE
UPPER 40S. EAST WINDS 5 TO 10 MPH.
SUNDAY THROUGH MONDAY
MOSTLY CLOUDY WITH A CHANCE OF SHOWERS.
LOWS IN THE UPPER 40S. HIGHS IN THE LOWER 60S. EAST WINDS 5 TO
10 MPH.
MAZ006-190800-
WESTERN ESSEX MA-
INCLUDING THE CITY OF LAWRENCE
410 PM EDT MON MAY 18 2026
TONIGHT TUE TUE NIGHT WED
CLOUD COVER MCLEAR MCLEAR PCLDY PCLDY
PRECIP TYPE NONE NONE NONE TSTMS
CHANCE PRECIP (%) 10 20 50
CHANCE OF THUNDER (%) 0 0 0 10
TEMP (24H TREND) 58 (+3) 94 (+21) 71 89
RH % (24H TREND) 97 (-3) 31 (+7) 79 36
20FT WND AM(MPH) LGT/VAR W 7 G18
20FT WND PM(MPH) LGT/VAR W 8 G18 SW 5 W 9 G20
PRECIP AMOUNT 0.00 0.00 0.00 0.01
PRECIP DURATION 1
PRECIP BEGIN 12 PM
PRECIP END 6 PM
MIXING HGT (FT-AGL) 410 7850 540 7220
TRANSPORT WND (KTS) SW 9 W 21 W 10 W 23
VENT RATE (KT-FT) 3690 164850 5400 166060
MAX ADI EARLY 13 GEN POOR 82 GOOD 75 GOOD 102 VERY GOOD
MAX ADI LATE 10 POOR 105 VERY GOOD13 GEN POOR 92 GOOD
MAX LVORI EARLY 5 1 3 2
MAX LVORI LATE 5 1 3 2
MIN VSBY EARLY 9 7 9 9
MIN VSBY LATE 8 9 9 9
SUNSHINE HOURS N/A N/A N/A N/A
CWR 0 0 0 10
REMARKS...NONE.
FORECAST FOR DAYS 3 THROUGH 7
WEDNESDAY NIGHT
PARTLY CLOUDY. LOWS IN THE LOWER 50S.
NORTHWEST WINDS 5 TO 10 MPH.
THURSDAY
MOSTLY SUNNY. HIGHS IN THE MID 60S. NORTHWEST WINDS
5 TO 10 MPH.
THURSDAY NIGHT
MOSTLY CLEAR. LOWS IN THE MID 40S. NORTHWEST
WINDS AROUND 5 MPH.
FRIDAY
MOSTLY SUNNY. HIGHS IN THE UPPER 60S. NORTHWEST WINDS
AROUND 5 MPH, BECOMING SOUTH AROUND 5 MPH IN THE AFTERNOON.
FRIDAY NIGHT
MOSTLY CLOUDY WITH A CHANCE OF SHOWERS. LOWS IN
THE UPPER 40S. SOUTH WINDS AROUND 5 MPH, BECOMING WEST AFTER
MIDNIGHT.
SATURDAY
MOSTLY CLOUDY WITH A CHANCE OF SHOWERS. HIGHS IN THE
LOWER 60S. EAST WINDS AROUND 5 MPH.
SATURDAY NIGHT
MOSTLY CLOUDY WITH SHOWERS LIKELY. LOWS IN THE
MID 40S. EAST WINDS AROUND 5 MPH.
SUNDAY THROUGH MONDAY
MOSTLY CLOUDY WITH A CHANCE OF SHOWERS.
LOWS IN THE UPPER 40S. HIGHS IN THE MID 60S. EAST WINDS AROUND
5 MPH.
MAZ005-190800-
CENTRAL MIDDLESEX MA-
INCLUDING THE CITIES OF FRAMINGHAM AND LOWELL
410 PM EDT MON MAY 18 2026
TONIGHT TUE TUE NIGHT WED
CLOUD COVER MCLEAR MCLEAR MCLEAR PCLDY
PRECIP TYPE NONE NONE NONE TSTMS
CHANCE PRECIP (%) 10 20 50
CHANCE OF THUNDER (%) 0 0 0 20
TEMP (24H TREND) 62 (+6) 94 (+14) 71 91
RH % (24H TREND) 90 (-10) 30 (+3) 81 37
20FT WND AM(MPH) LGT/VAR SW 7 G17
20FT WND PM(MPH) LGT/VAR W 8 G18 SW 6 W 9 G20
PRECIP AMOUNT 0.00 0.00 0.00 0.02
PRECIP DURATION 1
PRECIP BEGIN 12 PM
PRECIP END 6 PM
MIXING HGT (FT-AGL) 430 8390 520 7300
TRANSPORT WND (KTS) SW 10 W 21 SW 10 W 21
VENT RATE (KT-FT) 4300 176190 5200 153300
MAX ADI EARLY 35 FAIR 79 GOOD 77 GOOD 102 VERY GOOD
MAX ADI LATE 11 POOR 105 VERY GOOD12 POOR 87 GOOD
MAX LVORI EARLY 4 1 3 2
MAX LVORI LATE 4 1 3 2
MIN VSBY EARLY 9 8 9 9
MIN VSBY LATE 9 9 9 9
SUNSHINE HOURS N/A N/A N/A N/A
CWR 0 0 0 10
REMARKS...NONE.
FORECAST FOR DAYS 3 THROUGH 7
WEDNESDAY NIGHT
MOSTLY CLOUDY WITH A CHANCE OF SHOWERS. LOWS
IN THE LOWER 50S. NORTHWEST WINDS 10 TO 15 MPH.
THURSDAY
MOSTLY SUNNY. HIGHS IN THE UPPER 60S. NORTHWEST WINDS
5 TO 10 MPH.
THURSDAY NIGHT
MOSTLY CLEAR. LOWS IN THE MID 40S. NORTH WINDS
AROUND 5 MPH.
FRIDAY
MOSTLY SUNNY. HIGHS IN THE UPPER 60S. NORTH WINDS
AROUND 5 MPH, BECOMING SOUTH IN THE AFTERNOON.
FRIDAY NIGHT
MOSTLY CLOUDY WITH A CHANCE OF SHOWERS. LOWS IN
THE UPPER 40S. SOUTHWEST WINDS AROUND 5 MPH.
SATURDAY
MOSTLY CLOUDY WITH A CHANCE OF SHOWERS. HIGHS IN THE
LOWER 60S. EAST WINDS AROUND 5 MPH.
SATURDAY NIGHT AND SUNDAY
MOSTLY CLOUDY WITH SHOWERS LIKELY.
LOWS IN THE UPPER 40S. HIGHS IN THE MID 60S. EAST WINDS AROUND
5 MPH.
SUNDAY NIGHT AND MONDAY
MOSTLY CLOUDY WITH A CHANCE OF
SHOWERS. LOWS IN THE UPPER 40S. HIGHS IN THE UPPER 60S. EAST
WINDS AROUND 5 MPH.
MAZ012-190800-
SOUTHERN WORCESTER MA-
INCLUDING THE CITIES OF MILFORD AND WORCESTER
410 PM EDT MON MAY 18 2026
TONIGHT TUE TUE NIGHT WED
CLOUD COVER CLEAR MCLEAR MCLEAR PCLDY
PRECIP TYPE NONE NONE NONE TSTMS
CHANCE PRECIP (%) 10 20 70
CHANCE OF THUNDER (%) 0 0 0 20
TEMP (24H TREND) 64 (+8) 95 (+11) 69 92
RH % (24H TREND) 90 (-10) 30 (0) 84 40
20FT WND AM(MPH) SW 6 SW 7 G18
20FT WND PM(MPH) SW 6 SW 9 G20 SW 7 G17 W 10 G21
PRECIP AMOUNT 0.00 0.00 0.00 0.04
PRECIP DURATION 3
PRECIP BEGIN 12 PM
PRECIP END CONTINUING
MIXING HGT (FT-AGL) 440 8100 480 6940
TRANSPORT WND (KTS) SW 11 W 21 SW 11 W 20
VENT RATE (KT-FT) 4840 170100 5280 138800
MAX ADI EARLY 45 GEN GOOD 62 GOOD 46 GEN GOOD 89 GOOD
MAX ADI LATE 12 POOR 96 GOOD 13 GEN POOR 77 GOOD
MAX LVORI EARLY 4 1 3 2
MAX LVORI LATE 4 1 3 2
MIN VSBY EARLY 9 9 9 9
MIN VSBY LATE 9 9 9 7
SUNSHINE HOURS N/A N/A N/A N/A
CWR 0 0 0 20
REMARKS...NONE.
FORECAST FOR DAYS 3 THROUGH 7
WEDNESDAY NIGHT
MOSTLY CLOUDY WITH A CHANCE OF SHOWERS. LOWS
IN THE LOWER 50S. NORTHWEST WINDS 10 TO 15 MPH.
THURSDAY AND THURSDAY NIGHT
PARTLY CLOUDY. LOWS 45 TO 51.
HIGHS IN THE UPPER 60S. NORTH WINDS 5 TO 10 MPH.
FRIDAY
MOSTLY SUNNY. HIGHS IN THE UPPER 60S. NORTHEAST WINDS
AROUND 5 MPH, BECOMING SOUTH AROUND 5 MPH IN THE AFTERNOON.
FRIDAY NIGHT
MOSTLY CLOUDY WITH A CHANCE OF SHOWERS. LOWS IN
THE MID 40S. SOUTHWEST WINDS AROUND 5 MPH.
SATURDAY AND SATURDAY NIGHT
MOSTLY CLOUDY WITH SHOWERS LIKELY.
LOWS IN THE UPPER 40S. HIGHS IN THE LOWER 60S. NORTHEAST WINDS
AROUND 5 MPH.
SUNDAY
MOSTLY CLOUDY WITH SHOWERS LIKELY. HIGHS IN THE MID
60S. EAST WINDS AROUND 5 MPH.
SUNDAY NIGHT
MOSTLY CLOUDY WITH A CHANCE OF SHOWERS. LOWS IN
THE UPPER 40S. NORTHEAST WINDS AROUND 5 MPH.
MONDAY
MOSTLY CLOUDY WITH A CHANCE OF SHOWERS. HIGHS IN THE
UPPER 60S. NORTHEAST WINDS AROUND 5 MPH.
MAZ004-190800-
NORTHERN WORCESTER MA-
INCLUDING THE CITIES OF BARRE AND FITCHBURG
410 PM EDT MON MAY 18 2026
TONIGHT TUE TUE NIGHT WED
CLOUD COVER MCLEAR MCLEAR PCLDY PCLDY
PRECIP TYPE NONE NONE NONE TSTMS
CHANCE PRECIP (%) 10 20 60
CHANCE OF THUNDER (%) 0 0 0 20
TEMP (24H TREND) 64 (+9) 93 (+10) 68 88
RH % (24H TREND) 93 (-7) 31 (+6) 90 39
20FT WND AM(MPH) SW 5 W 8 G20
20FT WND PM(MPH) SW 5 SW 9 G21 SW 6 G17 W 11 G23
PRECIP AMOUNT 0.00 0.00 0.00 0.03
PRECIP DURATION 3
PRECIP BEGIN 12 PM
PRECIP END 6 PM
MIXING HGT (FT-AGL) 430 7490 480 5480
TRANSPORT WND (KTS) SW 10 W 21 SW 11 W 21
VENT RATE (KT-FT) 4300 157290 5280 115080
MAX ADI EARLY 37 FAIR 66 GOOD 49 GEN GOOD 74 GOOD
MAX ADI LATE 12 POOR 80 GOOD 13 GEN POOR 76 GOOD
MAX LVORI EARLY 4 1 3 2
MAX LVORI LATE 4 1 3 2
MIN VSBY EARLY 9 9 9 8
MIN VSBY LATE 9 9 8 9
SUNSHINE HOURS N/A N/A N/A N/A
CWR 0 0 0 10
REMARKS...NONE.
FORECAST FOR DAYS 3 THROUGH 7
WEDNESDAY NIGHT
PARTLY CLOUDY WITH A CHANCE OF SHOWERS. LOWS
IN THE UPPER 40S. NORTHWEST WINDS 10 TO 15 MPH.
THURSDAY
MOSTLY SUNNY. HIGHS IN THE MID 60S. NORTHWEST WINDS
5 TO 10 MPH.
THURSDAY NIGHT
MOSTLY CLEAR. LOWS IN THE LOWER 40S. NORTH
WINDS AROUND 5 MPH.
FRIDAY
MOSTLY SUNNY. HIGHS IN THE UPPER 60S. NORTH WINDS
AROUND 5 MPH, BECOMING SOUTHWEST IN THE AFTERNOON.
FRIDAY NIGHT
MOSTLY CLOUDY WITH A CHANCE OF SHOWERS. LOWS IN
THE MID 40S. SOUTH WINDS AROUND 5 MPH.
SATURDAY AND SATURDAY NIGHT
MOSTLY CLOUDY WITH SHOWERS LIKELY.
LOWS IN THE MID 40S. HIGHS AROUND 60. EAST WINDS AROUND 5 MPH.
SUNDAY
MOSTLY CLOUDY WITH SHOWERS LIKELY. HIGHS IN THE LOWER
60S. EAST WINDS 5 TO 10 MPH.
SUNDAY NIGHT AND MONDAY
MOSTLY CLOUDY WITH A CHANCE OF
SHOWERS. LOWS IN THE UPPER 40S. HIGHS IN THE UPPER 60S. EAST
WINDS 5 TO 10 MPH.
MAZ026-190800-
NORTHERN MIDDLESEX MA-
INCLUDING THE CITY OF AYER
410 PM EDT MON MAY 18 2026
TONIGHT TUE TUE NIGHT WED
CLOUD COVER MCLEAR MCLEAR PCLDY PCLDY
PRECIP TYPE NONE NONE NONE TSTMS
CHANCE PRECIP (%) 10 20 40
CHANCE OF THUNDER (%) 0 0 0 10
TEMP (24H TREND) 63 (+8) 95 (+13) 70 88
RH % (24H TREND) 90 (-6) 33 (+6) 81 39
20FT WND AM(MPH) LGT/VAR W 7 G21
20FT WND PM(MPH) LGT/VAR W 8 G20 SW 5 W 9 G22
PRECIP AMOUNT 0.00 0.00 0.00 0.00
PRECIP DURATION
PRECIP BEGIN
PRECIP END
MIXING HGT (FT-AGL) 430 7970 490 5800
TRANSPORT WND (KTS) SW 10 W 21 SW 12 W 22
VENT RATE (KT-FT) 4300 167370 5880 127600
MAX ADI EARLY 36 FAIR 82 GOOD 63 GOOD 105 VERY GOOD
MAX ADI LATE 10 POOR 105 VERY GOOD11 POOR 83 GOOD
MAX LVORI EARLY 4 1 3 2
MAX LVORI LATE 4 1 3 2
MIN VSBY EARLY 9 9 9 9
MIN VSBY LATE 9 9 9 9
SUNSHINE HOURS N/A N/A N/A N/A
CWR 0 0 0 10
REMARKS...NONE.
FORECAST FOR DAYS 3 THROUGH 7
WEDNESDAY NIGHT
PARTLY CLOUDY. LOWS IN THE UPPER 40S.
NORTHWEST WINDS 5 TO 10 MPH.
THURSDAY
MOSTLY SUNNY. HIGHS IN THE MID 60S. NORTHWEST WINDS
5 TO 10 MPH.
THURSDAY NIGHT
MOSTLY CLEAR. LOWS IN THE LOWER 40S. NORTHWEST
WINDS AROUND 5 MPH.
FRIDAY
MOSTLY SUNNY. HIGHS IN THE UPPER 60S. NORTH WINDS
AROUND 5 MPH, BECOMING SOUTHWEST IN THE AFTERNOON.
FRIDAY NIGHT
MOSTLY CLOUDY WITH A CHANCE OF SHOWERS. LOWS IN
THE MID 40S. SOUTHWEST WINDS AROUND 5 MPH.
SATURDAY
MOSTLY CLOUDY WITH A CHANCE OF SHOWERS. HIGHS IN THE
LOWER 60S. EAST WINDS AROUND 5 MPH.
SATURDAY NIGHT AND SUNDAY
MOSTLY CLOUDY WITH SHOWERS LIKELY.
LOWS IN THE MID 40S. HIGHS IN THE LOWER 60S. EAST WINDS AROUND
5 MPH.
SUNDAY NIGHT AND MONDAY
MOSTLY CLOUDY WITH A CHANCE OF
SHOWERS. LOWS IN THE UPPER 40S. HIGHS IN THE UPPER 60S. EAST
WINDS AROUND 5 MPH.
MAZ002-190800-
WESTERN FRANKLIN MA-
INCLUDING THE CITY OF CHARLEMONT
410 PM EDT MON MAY 18 2026
TONIGHT TUE TUE NIGHT WED
CLOUD COVER MCLEAR MCLEAR PCLDY PCLDY
PRECIP TYPE NONE TSTMS NONE TSTMS
CHANCE PRECIP (%) 10 20 20 50
CHANCE OF THUNDER (%) 0 0 0 20
TEMP (24H TREND) 63 (+8) 93 (+7) 67 83
RH % (24H TREND) 93 (0) 33 (+2) 90 39
20FT WND AM(MPH) LGT/VAR W 7 G20
20FT WND PM(MPH) LGT/VAR W 7 G18 LGT/VAR W 9 G22
PRECIP AMOUNT 0.00 0.08 0.00 0.01
PRECIP DURATION 0 1
PRECIP BEGIN 2 PM 7 AM
PRECIP END 6 PM 6 PM
MIXING HGT (FT-AGL) 410 7110 490 5220
TRANSPORT WND (KTS) W 8 W 20 SW 10 W 20
VENT RATE (KT-FT) 3280 142200 4900 104400
MAX ADI EARLY 33 FAIR 103 VERY GOOD39 FAIR 72 GOOD
MAX ADI LATE 10 POOR 105 VERY GOOD12 POOR 76 GOOD
MAX LVORI EARLY 4 1 3 2
MAX LVORI LATE 4 1 3 2
MIN VSBY EARLY 9 8 7 9
MIN VSBY LATE 9 7 9 9
SUNSHINE HOURS N/A N/A N/A N/A
CWR 0 20 0 10
REMARKS...NONE.
FORECAST FOR DAYS 3 THROUGH 7
WEDNESDAY NIGHT
PARTLY CLOUDY. LOWS IN THE MID 40S. NORTHWEST
WINDS 10 TO 15 MPH.
THURSDAY AND THURSDAY NIGHT
PARTLY CLOUDY. LOWS IN THE LOWER
40S. HIGHS IN THE LOWER 60S. NORTH WINDS 5 TO 10 MPH.
FRIDAY
MOSTLY SUNNY. HIGHS IN THE MID 60S. NORTHEAST WINDS
AROUND 5 MPH, BECOMING SOUTH IN THE AFTERNOON.
FRIDAY NIGHT
MOSTLY CLOUDY WITH A CHANCE OF SHOWERS. LOWS IN
THE LOWER 40S. SOUTH WINDS AROUND 5 MPH, BECOMING EAST AFTER
MIDNIGHT.
SATURDAY AND SATURDAY NIGHT
MOSTLY CLOUDY WITH SHOWERS LIKELY.
LOWS IN THE MID 40S. HIGHS IN THE UPPER 50S. EAST WINDS AROUND
5 MPH.
SUNDAY
MOSTLY CLOUDY WITH SHOWERS LIKELY. HIGHS IN THE LOWER
60S. EAST WINDS AROUND 5 MPH.
SUNDAY NIGHT
MOSTLY CLOUDY WITH A CHANCE OF SHOWERS. LOWS IN
THE MID 40S. EAST WINDS AROUND 5 MPH.
MONDAY
PARTLY SUNNY WITH A CHANCE OF SHOWERS. HIGHS IN THE
UPPER 60S. NORTHEAST WINDS AROUND 5 MPH, BECOMING SOUTHEAST
AROUND 5 MPH IN THE AFTERNOON.
MAZ003-190800-
EASTERN FRANKLIN MA-
INCLUDING THE CITIES OF GREENFIELD AND ORANGE
410 PM EDT MON MAY 18 2026
TONIGHT TUE TUE NIGHT WED
CLOUD COVER MCLEAR MCLEAR PCLDY PCLDY
PRECIP TYPE NONE NONE NONE TSTMS
CHANCE PRECIP (%) 10 20 20 50
CHANCE OF THUNDER (%) 0 0 0 20
TEMP (24H TREND) 63 (+8) 95 (+9) 69 86
RH % (24H TREND) 97 (-3) 32 (+7) 87 38
20FT WND AM(MPH) LGT/VAR SW 6 G19
20FT WND PM(MPH) S 6 W 8 G19 SW 5 W 10 G21
PRECIP AMOUNT 0.00 0.00 0.00 0.02
PRECIP DURATION 1
PRECIP BEGIN 7 AM
PRECIP END 6 PM
MIXING HGT (FT-AGL) 380 7320 430 5650
TRANSPORT WND (KTS) SW 7 W 19 SW 8 W 19
VENT RATE (KT-FT) 2660 139080 3440 107350
MAX ADI EARLY 30 FAIR 79 GOOD 44 GEN GOOD 72 GOOD
MAX ADI LATE 8 POOR 104 VERY GOOD9 POOR 76 GOOD
MAX LVORI EARLY 5 1 3 2
MAX LVORI LATE 5 1 3 2
MIN VSBY EARLY 9 8 8 8
MIN VSBY LATE 9 8 8 9
SUNSHINE HOURS N/A N/A N/A N/A
CWR 0 0 0 10
REMARKS...NONE.
FORECAST FOR DAYS 3 THROUGH 7
WEDNESDAY NIGHT
PARTLY CLOUDY. LOWS IN THE UPPER 40S.
NORTHWEST WINDS 10 TO 15 MPH.
THURSDAY AND THURSDAY NIGHT
PARTLY CLOUDY. LOWS 42 TO 48.
HIGHS IN THE UPPER 60S. NORTH WINDS 5 TO 10 MPH.
FRIDAY
MOSTLY SUNNY. HIGHS IN THE UPPER 60S. NORTH WINDS
AROUND 5 MPH, BECOMING SOUTHWEST IN THE AFTERNOON.
FRIDAY NIGHT
MOSTLY CLOUDY WITH A CHANCE OF SHOWERS. LOWS IN
THE MID 40S. SOUTHEAST WINDS AROUND 5 MPH.
SATURDAY AND SATURDAY NIGHT
MOSTLY CLOUDY WITH SHOWERS LIKELY.
LOWS IN THE MID 40S. HIGHS IN THE LOWER 60S. EAST WINDS AROUND
5 MPH.
SUNDAY
MOSTLY CLOUDY WITH SHOWERS LIKELY. HIGHS IN THE MID
60S. EAST WINDS AROUND 5 MPH.
SUNDAY NIGHT
MOSTLY CLOUDY WITH A CHANCE OF SHOWERS. LOWS IN
THE UPPER 40S. NORTHEAST WINDS AROUND 5 MPH.
MONDAY
PARTLY SUNNY WITH A CHANCE OF SHOWERS. HIGHS IN THE
UPPER 60S. NORTHEAST WINDS AROUND 5 MPH, BECOMING SOUTHEAST
AROUND 5 MPH IN THE AFTERNOON.
MAZ008-190800-
WESTERN HAMPSHIRE MA-
INCLUDING THE CITY OF CHESTERFIELD
410 PM EDT MON MAY 18 2026
TONIGHT TUE TUE NIGHT WED
CLOUD COVER MCLEAR MCLEAR PCLDY PCLDY
PRECIP TYPE NONE NONE NONE TSTMS
CHANCE PRECIP (%) 10 20 20 60
CHANCE OF THUNDER (%) 0 0 0 20
TEMP (24H TREND) 64 (+9) 94 (+8) 69 85
RH % (24H TREND) 90 (-6) 29 (-2) 84 40
20FT WND AM(MPH) LGT/VAR W 7 G19
20FT WND PM(MPH) S 5 W 8 G19 W 5 W 10 G23
PRECIP AMOUNT 0.00 0.00 0.00 0.04
PRECIP DURATION 2
PRECIP BEGIN 7 AM
PRECIP END 6 PM
MIXING HGT (FT-AGL) 410 7170 500 5340
TRANSPORT WND (KTS) W 10 W 20 SW 12 W 19
VENT RATE (KT-FT) 4100 143400 6000 101460
MAX ADI EARLY 41 GEN GOOD 99 GOOD 56 GEN GOOD 69 GOOD
MAX ADI LATE 11 POOR 105 VERY GOOD13 GEN POOR 1 VERY POOR
MAX LVORI EARLY 4 1 3 2
MAX LVORI LATE 4 1 3 2
MIN VSBY EARLY 9 9 9 9
MIN VSBY LATE 9 9 9 9
SUNSHINE HOURS N/A N/A N/A N/A
CWR 0 0 0 10
REMARKS...NONE.
FORECAST FOR DAYS 3 THROUGH 7
WEDNESDAY NIGHT
PARTLY CLOUDY WITH A CHANCE OF SHOWERS. LOWS
IN THE MID 40S. NORTHWEST WINDS 10 TO 15 MPH.
THURSDAY AND THURSDAY NIGHT
PARTLY CLOUDY. LOWS IN THE MID
40S. HIGHS IN THE MID 60S. NORTH WINDS 5 TO 10 MPH.
FRIDAY
MOSTLY SUNNY. HIGHS IN THE MID 60S. NORTHEAST WINDS
AROUND 5 MPH, BECOMING SOUTH IN THE AFTERNOON.
FRIDAY NIGHT
MOSTLY CLOUDY WITH A CHANCE OF SHOWERS. LOWS IN
THE MID 40S. SOUTH WINDS AROUND 5 MPH, BECOMING SOUTHEAST AFTER
MIDNIGHT.
SATURDAY AND SATURDAY NIGHT
MOSTLY CLOUDY WITH SHOWERS LIKELY.
LOWS IN THE MID 40S. HIGHS IN THE UPPER 50S. EAST WINDS AROUND
5 MPH.
SUNDAY
MOSTLY CLOUDY WITH SHOWERS LIKELY. HIGHS IN THE LOWER
60S. EAST WINDS AROUND 5 MPH.
SUNDAY NIGHT
MOSTLY CLOUDY WITH A CHANCE OF SHOWERS. LOWS IN
THE UPPER 40S. NORTHEAST WINDS AROUND 5 MPH.
MONDAY
PARTLY SUNNY WITH A CHANCE OF SHOWERS. HIGHS IN THE
UPPER 60S. NORTHEAST WINDS AROUND 5 MPH, BECOMING SOUTHEAST
AROUND 5 MPH IN THE AFTERNOON.
MAZ010-190800-
EASTERN HAMPSHIRE MA-
INCLUDING THE CITIES OF AMHERST AND NORTHAMPTON
410 PM EDT MON MAY 18 2026
TONIGHT TUE TUE NIGHT WED
CLOUD COVER MCLEAR MCLEAR PCLDY PCLDY
PRECIP TYPE NONE NONE NONE TSTMS
CHANCE PRECIP (%) 10 20 20 60
CHANCE OF THUNDER (%) 0 0 0 20
TEMP (24H TREND) 64 (+8) 98 (+10) 70 89
RH % (24H TREND) 93 (-3) 29 (+5) 84 38
20FT WND AM(MPH) LGT/VAR SW 6 G18
20FT WND PM(MPH) S 7 G17 SW 9 G20 SW 6 W 11 G21
PRECIP AMOUNT 0.00 0.00 0.00 0.04
PRECIP DURATION 4
PRECIP BEGIN 7 AM
PRECIP END 6 PM
MIXING HGT (FT-AGL) 380 7930 420 5760
TRANSPORT WND (KTS) SW 7 W 19 SW 8 W 18
VENT RATE (KT-FT) 2660 150670 3360 103680
MAX ADI EARLY 33 FAIR 66 GOOD 57 GEN GOOD 91 GOOD
MAX ADI LATE 8 POOR 104 VERY GOOD9 POOR 70 GOOD
MAX LVORI EARLY 5 1 3 2
MAX LVORI LATE 5 1 3 2
MIN VSBY EARLY 9 9 9 9
MIN VSBY LATE 9 9 9 9
SUNSHINE HOURS N/A N/A N/A N/A
CWR 0 0 0 10
REMARKS...NONE.
FORECAST FOR DAYS 3 THROUGH 7
WEDNESDAY NIGHT
PARTLY CLOUDY WITH A CHANCE OF SHOWERS. LOWS
AROUND 50. NORTHWEST WINDS 10 TO 15 MPH.
THURSDAY AND THURSDAY NIGHT
PARTLY CLOUDY. LOWS 45 TO 50.
HIGHS IN THE UPPER 60S. NORTH WINDS 5 TO 10 MPH.
FRIDAY
MOSTLY SUNNY. HIGHS AROUND 70. NORTHEAST WINDS AROUND
5 MPH, BECOMING SOUTH IN THE AFTERNOON.
FRIDAY NIGHT
MOSTLY CLOUDY WITH A CHANCE OF SHOWERS. LOWS IN
THE MID 40S. SOUTH WINDS AROUND 5 MPH.
SATURDAY AND SATURDAY NIGHT
MOSTLY CLOUDY WITH SHOWERS LIKELY.
LOWS IN THE UPPER 40S. HIGHS IN THE LOWER 60S. NORTHEAST WINDS
AROUND 5 MPH.
SUNDAY
MOSTLY CLOUDY WITH SHOWERS LIKELY. HIGHS IN THE MID
60S. EAST WINDS AROUND 5 MPH.
SUNDAY NIGHT
MOSTLY CLOUDY WITH A CHANCE OF SHOWERS. LOWS IN
THE UPPER 40S. NORTHEAST WINDS AROUND 5 MPH.
MONDAY
PARTLY SUNNY WITH A CHANCE OF SHOWERS. HIGHS AROUND 70.
NORTHEAST WINDS AROUND 5 MPH, BECOMING EAST AROUND 5 MPH IN THE
AFTERNOON.
MAZ009-190800-
WESTERN HAMPDEN MA-
INCLUDING THE CITY OF BLANDFORD
410 PM EDT MON MAY 18 2026
TONIGHT TUE TUE NIGHT WED
CLOUD COVER MCLEAR MCLEAR PCLDY PCLDY
PRECIP TYPE NONE NONE NONE TSTMS
CHANCE PRECIP (%) 10 20 20 60
CHANCE OF THUNDER (%) 0 0 0 20
TEMP (24H TREND) 65 (+9) 95 (+8) 68 87
RH % (24H TREND) 87 (-6) 28 (-4) 84 42
20FT WND AM(MPH) LGT/VAR W 7 G18
20FT WND PM(MPH) SW 5 W 8 G19 W 5 W 10 G22
PRECIP AMOUNT 0.00 0.00 0.00 0.05
PRECIP DURATION 4
PRECIP BEGIN 7 AM
PRECIP END CONTINUING
MIXING HGT (FT-AGL) 440 7660 500 5500
TRANSPORT WND (KTS) W 10 W 22 W 12 W 18
VENT RATE (KT-FT) 4400 168520 6000 99000
MAX ADI EARLY 52 GEN GOOD 90 GOOD 64 GOOD 66 GOOD
MAX ADI LATE 12 POOR 105 VERY GOOD13 GEN POOR 68 GOOD
MAX LVORI EARLY 3 1 3 2
MAX LVORI LATE 3 1 3 2
MIN VSBY EARLY 9 9 9 9
MIN VSBY LATE 9 9 9 9
SUNSHINE HOURS N/A N/A N/A N/A
CWR 0 0 0 10
REMARKS...NONE.
FORECAST FOR DAYS 3 THROUGH 7
WEDNESDAY NIGHT
MOSTLY CLOUDY WITH A CHANCE OF SHOWERS. LOWS
IN THE UPPER 40S. NORTHWEST WINDS 10 TO 15 MPH.
THURSDAY
MOSTLY SUNNY. HIGHS IN THE MID 60S. NORTHWEST WINDS
5 TO 10 MPH.
THURSDAY NIGHT
PARTLY CLOUDY. LOWS IN THE LOWER 40S. NORTH
WINDS AROUND 5 MPH.
FRIDAY
MOSTLY SUNNY. HIGHS IN THE UPPER 60S. NORTHEAST WINDS
AROUND 5 MPH, BECOMING SOUTH IN THE AFTERNOON.
FRIDAY NIGHT
MOSTLY CLOUDY WITH A CHANCE OF SHOWERS. LOWS IN
THE MID 40S. SOUTHEAST WINDS AROUND 5 MPH.
SATURDAY AND SATURDAY NIGHT
MOSTLY CLOUDY WITH SHOWERS LIKELY.
LOWS IN THE MID 40S. HIGHS AROUND 60. EAST WINDS AROUND 5 MPH.
SUNDAY
MOSTLY CLOUDY WITH SHOWERS LIKELY. HIGHS IN THE MID
60S. EAST WINDS AROUND 5 MPH.
SUNDAY NIGHT
MOSTLY CLOUDY WITH A CHANCE OF SHOWERS. LOWS IN
THE UPPER 40S. NORTHEAST WINDS AROUND 5 MPH.
MONDAY
PARTLY SUNNY WITH A CHANCE OF SHOWERS. HIGHS IN THE
UPPER 60S. NORTHEAST WINDS AROUND 5 MPH, BECOMING SOUTHEAST
AROUND 5 MPH IN THE AFTERNOON.
MAZ011-190800-
EASTERN HAMPDEN MA-
INCLUDING THE CITY OF SPRINGFIELD
410 PM EDT MON MAY 18 2026
TONIGHT TUE TUE NIGHT WED
CLOUD COVER MCLEAR MCLEAR PCLDY PCLDY
PRECIP TYPE NONE NONE NONE TSTMS
CHANCE PRECIP (%) 10 20 60
CHANCE OF THUNDER (%) 0 0 0 20
TEMP (24H TREND) 66 (+9) 97 (+10) 71 90
RH % (24H TREND) 90 (-7) 28 (+4) 81 38
20FT WND AM(MPH) SW 5 SW 7 G18
20FT WND PM(MPH) S 8 G18 SW 10 G21 SW 7 G18 W 11 G21
PRECIP AMOUNT 0.00 0.00 0.00 0.05
PRECIP DURATION 3
PRECIP BEGIN 12 PM
PRECIP END CONTINUING
MIXING HGT (FT-AGL) 400 8250 440 5960
TRANSPORT WND (KTS) SW 8 W 19 SW 10 W 18
VENT RATE (KT-FT) 3200 156750 4400 107280
MAX ADI EARLY 34 FAIR 58 GEN GOOD 45 GEN GOOD 65 GOOD
MAX ADI LATE 10 POOR 100 GOOD 11 POOR 69 GOOD
MAX LVORI EARLY 4 1 3 2
MAX LVORI LATE 4 1 3 2
MIN VSBY EARLY 9 9 9 9
MIN VSBY LATE 9 9 9 8
SUNSHINE HOURS N/A N/A N/A N/A
CWR 0 0 0 20
REMARKS...NONE.
FORECAST FOR DAYS 3 THROUGH 7
WEDNESDAY NIGHT
MOSTLY CLOUDY WITH A CHANCE OF SHOWERS. LOWS
IN THE LOWER 50S. NORTHWEST WINDS 10 TO 15 MPH.
THURSDAY AND THURSDAY NIGHT
PARTLY CLOUDY. LOWS 46 TO 51.
HIGHS IN THE UPPER 60S. NORTH WINDS 5 TO 10 MPH.
FRIDAY
PARTLY SUNNY. HIGHS AROUND 70. NORTHEAST WINDS AROUND
5 MPH, BECOMING SOUTH IN THE AFTERNOON.
FRIDAY NIGHT
MOSTLY CLOUDY WITH A CHANCE OF SHOWERS. LOWS IN
THE MID 40S. SOUTH WINDS AROUND 5 MPH.
SATURDAY AND SATURDAY NIGHT
MOSTLY CLOUDY WITH SHOWERS LIKELY.
LOWS IN THE UPPER 40S. HIGHS IN THE LOWER 60S. NORTHEAST WINDS
AROUND 5 MPH.
SUNDAY
MOSTLY CLOUDY WITH SHOWERS LIKELY. HIGHS IN THE MID
60S. EAST WINDS AROUND 5 MPH.
SUNDAY NIGHT
MOSTLY CLOUDY WITH A CHANCE OF SHOWERS. LOWS
AROUND 50. NORTHEAST WINDS AROUND 5 MPH.
MONDAY
PARTLY SUNNY WITH A CHANCE OF SHOWERS. HIGHS AROUND 70.
EAST WINDS AROUND 5 MPH.
CTZ002-190800-
HARTFORD CT-
INCLUDING THE CITIES OF HARTFORD AND WINDSOR LOCKS
410 PM EDT MON MAY 18 2026
TONIGHT TUE TUE NIGHT WED
CLOUD COVER CLEAR MCLEAR PCLDY PCLDY
PRECIP TYPE NONE NONE NONE TSTMS
CHANCE PRECIP (%) 10 20 70
CHANCE OF THUNDER (%) 0 0 0 20
TEMP (24H TREND) 66 (+7) 97 (+10) 71 92
RH % (24H TREND) 90 (-10) 28 (+2) 79 36
20FT WND AM(MPH) LGT/VAR SW 7 G17
20FT WND PM(MPH) S 7 G18 SW 9 G20 SW 7 G19 W 10 G20
PRECIP AMOUNT 0.00 0.00 0.00 0.06
PRECIP DURATION 3
PRECIP BEGIN 12 PM
PRECIP END CONTINUING
MIXING HGT (FT-AGL) 400 8290 440 6790
TRANSPORT WND (KTS) SW 9 W 18 SW 9 W 20
VENT RATE (KT-FT) 3600 149220 3960 135800
MAX ADI EARLY 34 FAIR 57 GEN GOOD 53 GEN GOOD 79 GOOD
MAX ADI LATE 10 POOR 100 GOOD 11 POOR 77 GOOD
MAX LVORI EARLY 4 1 3 2
MAX LVORI LATE 4 1 3 2
MIN VSBY EARLY 9 9 9 9
MIN VSBY LATE 9 9 9 6 FOG
SUNSHINE HOURS N/A N/A N/A N/A
CWR 0 0 0 40
REMARKS...NONE.
FORECAST FOR DAYS 3 THROUGH 7
WEDNESDAY NIGHT
MOSTLY CLOUDY WITH A CHANCE OF SHOWERS. LOWS
IN THE LOWER 50S. NORTHWEST WINDS 10 TO 15 MPH.
THURSDAY
MOSTLY SUNNY. HIGHS AROUND 70. NORTH WINDS 5 TO
10 MPH.
THURSDAY NIGHT
PARTLY CLOUDY. LOWS IN THE UPPER 40S. NORTH
WINDS AROUND 5 MPH.
FRIDAY
PARTLY SUNNY. HIGHS IN THE UPPER 60S. NORTHEAST WINDS
AROUND 5 MPH, BECOMING SOUTHEAST IN THE AFTERNOON.
FRIDAY NIGHT
MOSTLY CLOUDY WITH A CHANCE OF SHOWERS. LOWS IN
THE UPPER 40S. SOUTHEAST WINDS AROUND 5 MPH.
SATURDAY AND SATURDAY NIGHT
MOSTLY CLOUDY WITH SHOWERS LIKELY.
LOWS IN THE UPPER 40S. HIGHS IN THE LOWER 60S. NORTHEAST WINDS
AROUND 5 MPH.
SUNDAY
MOSTLY CLOUDY WITH SHOWERS LIKELY. HIGHS IN THE UPPER
60S. NORTHEAST WINDS AROUND 5 MPH.
SUNDAY NIGHT
MOSTLY CLOUDY WITH A CHANCE OF SHOWERS. LOWS IN
THE LOWER 50S. NORTHEAST WINDS AROUND 5 MPH.
MONDAY
PARTLY SUNNY WITH A CHANCE OF SHOWERS. HIGHS IN THE
LOWER 70S. NORTHEAST WINDS AROUND 5 MPH.
CTZ003-190800-
TOLLAND CT-
INCLUDING THE CITIES OF UNION AND VERNON
410 PM EDT MON MAY 18 2026
TONIGHT TUE TUE NIGHT WED
CLOUD COVER CLEAR MCLEAR MCLEAR PCLDY
PRECIP TYPE NONE NONE NONE TSTMS
CHANCE PRECIP (%) 10 20 70
CHANCE OF THUNDER (%) 0 0 0 20
TEMP (24H TREND) 65 (+7) 95 (+10) 70 92
RH % (24H TREND) 90 (-10) 31 (0) 81 40
20FT WND AM(MPH) SW 5 SW 7 G19
20FT WND PM(MPH) S 7 G18 SW 9 G21 SW 8 G19 W 11 G21
PRECIP AMOUNT 0.00 0.00 0.00 0.08
PRECIP DURATION 3
PRECIP BEGIN 12 PM
PRECIP END CONTINUING
MIXING HGT (FT-AGL) 410 7460 450 6830
TRANSPORT WND (KTS) SW 9 W 17 SW 10 W 20
VENT RATE (KT-FT) 3690 126820 4500 136600
MAX ADI EARLY 24 FAIR 41 GEN GOOD 29 FAIR 69 GOOD
MAX ADI LATE 11 POOR 80 GOOD 12 POOR 79 GOOD
MAX LVORI EARLY 4 1 3 2
MAX LVORI LATE 4 1 3 2
MIN VSBY EARLY 9 9 7 9
MIN VSBY LATE 9 9 8 6 FOG
SUNSHINE HOURS N/A N/A N/A N/A
CWR 0 0 0 50
REMARKS...NONE.
FORECAST FOR DAYS 3 THROUGH 7
WEDNESDAY NIGHT
MOSTLY CLOUDY WITH A CHANCE OF SHOWERS. LOWS
IN THE LOWER 50S. NORTHWEST WINDS 5 TO 10 MPH.
THURSDAY
MOSTLY SUNNY. HIGHS IN THE UPPER 60S. NORTH WINDS
5 TO 10 MPH.
THURSDAY NIGHT
PARTLY CLOUDY. LOWS IN THE MID 40S. NORTH WINDS
AROUND 5 MPH.
FRIDAY
PARTLY SUNNY. HIGHS IN THE UPPER 60S. NORTHEAST WINDS
AROUND 5 MPH, BECOMING SOUTH IN THE AFTERNOON.
FRIDAY NIGHT
MOSTLY CLOUDY WITH A CHANCE OF SHOWERS. LOWS IN
THE MID 40S. SOUTHEAST WINDS AROUND 5 MPH.
SATURDAY AND SATURDAY NIGHT
MOSTLY CLOUDY WITH SHOWERS LIKELY.
LOWS IN THE UPPER 40S. HIGHS IN THE LOWER 60S. EAST WINDS AROUND
5 MPH.
SUNDAY
MOSTLY CLOUDY WITH SHOWERS LIKELY. HIGHS IN THE MID
60S. EAST WINDS AROUND 5 MPH.
SUNDAY NIGHT
MOSTLY CLOUDY WITH A CHANCE OF SHOWERS. LOWS
AROUND 50. NORTHEAST WINDS AROUND 5 MPH.
MONDAY
PARTLY SUNNY WITH A CHANCE OF SHOWERS. HIGHS AROUND 70.
EAST WINDS AROUND 5 MPH.
CTZ004-190800-
WINDHAM CT-
INCLUDING THE CITIES OF PUTNAM AND WILLIMANTIC
410 PM EDT MON MAY 18 2026
TONIGHT TUE TUE NIGHT WED
CLOUD COVER CLEAR MCLEAR MCLEAR PCLDY
PRECIP TYPE NONE NONE NONE TSTMS
CHANCE PRECIP (%) 10 10 70
CHANCE OF THUNDER (%) 0 0 0 20
TEMP (24H TREND) 63 (+5) 94 (+11) 68 92
RH % (24H TREND) 93 (-7) 33 (-4) 84 37
20FT WND AM(MPH) SW 5 SW 7 G17
20FT WND PM(MPH) S 6 SW 9 G19 SW 7 G18 W 10 G21
PRECIP AMOUNT 0.00 0.00 0.00 0.08
PRECIP DURATION 3
PRECIP BEGIN 12 PM
PRECIP END CONTINUING
MIXING HGT (FT-AGL) 410 6660 460 7180
TRANSPORT WND (KTS) SW 10 W 16 SW 11 W 21
VENT RATE (KT-FT) 4100 106560 5060 150780
MAX ADI EARLY 22 FAIR 38 FAIR 28 FAIR 69 GOOD
MAX ADI LATE 11 POOR 65 GOOD 12 POOR 83 GOOD
MAX LVORI EARLY 5 1 3 2
MAX LVORI LATE 5 1 3 2
MIN VSBY EARLY 9 8 8 9
MIN VSBY LATE 8 9 8 6 FOG
SUNSHINE HOURS N/A N/A N/A N/A
CWR 0 0 0 50
REMARKS...NONE.
FORECAST FOR DAYS 3 THROUGH 7
WEDNESDAY NIGHT
MOSTLY CLOUDY WITH A CHANCE OF SHOWERS. LOWS
IN THE LOWER 50S. NORTHWEST WINDS 5 TO 10 MPH.
THURSDAY
MOSTLY SUNNY. HIGHS IN THE UPPER 60S. NORTH WINDS
5 TO 10 MPH.
THURSDAY NIGHT
PARTLY CLOUDY. LOWS IN THE MID 40S. NORTH WINDS
AROUND 5 MPH.
FRIDAY
PARTLY SUNNY. HIGHS IN THE UPPER 60S. NORTHEAST WINDS
AROUND 5 MPH, BECOMING SOUTH IN THE AFTERNOON.
FRIDAY NIGHT
MOSTLY CLOUDY WITH A CHANCE OF SHOWERS. LOWS IN
THE MID 40S. SOUTH WINDS AROUND 5 MPH.
SATURDAY AND SATURDAY NIGHT
MOSTLY CLOUDY WITH SHOWERS LIKELY.
LOWS IN THE UPPER 40S. HIGHS IN THE LOWER 60S. NORTHEAST WINDS
AROUND 5 MPH.
SUNDAY
MOSTLY CLOUDY WITH SHOWERS LIKELY. HIGHS IN THE MID
60S. EAST WINDS AROUND 5 MPH.
SUNDAY NIGHT
MOSTLY CLOUDY WITH A CHANCE OF SHOWERS. LOWS
AROUND 50. NORTHEAST WINDS AROUND 5 MPH.
MONDAY
PARTLY SUNNY WITH A CHANCE OF SHOWERS. HIGHS IN THE
UPPER 60S. EAST WINDS AROUND 5 MPH.
RIZ001-190800-
NORTHWEST PROVIDENCE RI-
INCLUDING THE CITIES OF FOSTER AND SMITHFIELD
410 PM EDT MON MAY 18 2026
TONIGHT TUE TUE NIGHT WED
CLOUD COVER CLEAR MCLEAR MCLEAR PCLDY
PRECIP TYPE NONE NONE NONE TSTMS
CHANCE PRECIP (%) 10 10 70
CHANCE OF THUNDER (%) 0 0 0 20
TEMP (24H TREND) 63 (+5) 93 (+12) 68 92
RH % (24H TREND) 93 (-7) 34 (+1) 84 40
20FT WND AM(MPH) SW 6 SW 7
20FT WND PM(MPH) SW 6 SW 9 G18 SW 8 G17 W 9 G20
PRECIP AMOUNT 0.00 0.00 0.00 0.05
PRECIP DURATION 3
PRECIP BEGIN 12 PM
PRECIP END CONTINUING
MIXING HGT (FT-AGL) 440 6570 480 7440
TRANSPORT WND (KTS) W 12 W 17 SW 11 W 22
VENT RATE (KT-FT) 5280 111690 5280 163680
MAX ADI EARLY 39 FAIR 46 GEN GOOD 35 FAIR 75 GOOD
MAX ADI LATE 13 GEN POOR 72 GOOD 14 GEN POOR 84 GOOD
MAX LVORI EARLY 4 1 3 2
MAX LVORI LATE 4 1 3 2
MIN VSBY EARLY 9 8 9 9
MIN VSBY LATE 9 9 8 6 FOG
SUNSHINE HOURS N/A N/A N/A N/A
CWR 0 0 0 30
REMARKS...NONE.
FORECAST FOR DAYS 3 THROUGH 7
WEDNESDAY NIGHT
MOSTLY CLOUDY WITH A CHANCE OF SHOWERS. LOWS
IN THE LOWER 50S. NORTHWEST WINDS 5 TO 10 MPH.
THURSDAY AND THURSDAY NIGHT
PARTLY CLOUDY. LOWS 46 TO 53.
HIGHS IN THE UPPER 60S. NORTH WINDS 5 TO 10 MPH.
FRIDAY
PARTLY SUNNY. HIGHS IN THE UPPER 60S. NORTHEAST WINDS
AROUND 5 MPH, BECOMING SOUTH IN THE AFTERNOON.
FRIDAY NIGHT
MOSTLY CLOUDY WITH A CHANCE OF SHOWERS. LOWS IN
THE MID 40S. SOUTH WINDS AROUND 5 MPH.
SATURDAY AND SATURDAY NIGHT
MOSTLY CLOUDY WITH SHOWERS LIKELY.
LOWS IN THE UPPER 40S. HIGHS IN THE LOWER 60S. NORTHEAST WINDS
AROUND 5 MPH.
SUNDAY
MOSTLY CLOUDY WITH SHOWERS LIKELY. HIGHS IN THE LOWER
60S. EAST WINDS AROUND 5 MPH.
SUNDAY NIGHT AND MONDAY
MOSTLY CLOUDY WITH A CHANCE OF
SHOWERS. LOWS IN THE UPPER 40S. HIGHS IN THE UPPER 60S. EAST
WINDS AROUND 5 MPH.
RIZ002-190800-
SOUTHEAST PROVIDENCE RI-
INCLUDING THE CITY OF PROVIDENCE
410 PM EDT MON MAY 18 2026
TONIGHT TUE TUE NIGHT WED
CLOUD COVER MCLEAR PCLDY PCLDY PCLDY
PRECIP TYPE NONE NONE NONE TSTMS
CHANCE PRECIP (%) 10 10 70
CHANCE OF THUNDER (%) 0 0 0 20
TEMP (24H TREND) 62 (+3) 92 (+14) 67 93
RH % (24H TREND) 93 (0) 37 (+1) 84 38
20FT WND AM(MPH) SW 5 SW 7
20FT WND PM(MPH) S 6 SW 10 G17 SW 8 G17 W 10 G18
PRECIP AMOUNT 0.00 0.00 0.00 0.05
PRECIP DURATION 3
PRECIP BEGIN 12 PM
PRECIP END CONTINUING
MIXING HGT (FT-AGL) 420 5510 490 7240
TRANSPORT WND (KTS) SW 11 SW 16 W 11 W 21
VENT RATE (KT-FT) 4620 88160 5390 152040
MAX ADI EARLY 29 FAIR 42 GEN GOOD 35 FAIR 62 GOOD
MAX ADI LATE 12 POOR 62 GOOD 13 GEN POOR 79 GOOD
MAX LVORI EARLY 4 1 3 2
MAX LVORI LATE 4 1 3 2
MIN VSBY EARLY 9 8 8 9
MIN VSBY LATE 9 9 8 6 FOG
SUNSHINE HOURS N/A N/A N/A N/A
CWR 0 0 0 40
REMARKS...NONE.
FORECAST FOR DAYS 3 THROUGH 7
WEDNESDAY NIGHT
MOSTLY CLOUDY WITH A CHANCE OF SHOWERS. LOWS
IN THE MID 50S. NORTHWEST WINDS 5 TO 10 MPH.
THURSDAY AND THURSDAY NIGHT
PARTLY CLOUDY. LOWS 47 TO 54.
HIGHS IN THE UPPER 60S. NORTH WINDS 5 TO 10 MPH.
FRIDAY
PARTLY SUNNY. HIGHS IN THE UPPER 60S. NORTHEAST WINDS
AROUND 5 MPH, BECOMING SOUTHEAST IN THE AFTERNOON.
FRIDAY NIGHT
MOSTLY CLOUDY WITH A CHANCE OF SHOWERS. LOWS IN
THE UPPER 40S. SOUTH WINDS 5 TO 10 MPH.
SATURDAY THROUGH SUNDAY
MOSTLY CLOUDY WITH SHOWERS LIKELY.
LOWS IN THE UPPER 40S. HIGHS IN THE LOWER 60S. EAST WINDS 5 TO
10 MPH.
SUNDAY NIGHT AND MONDAY
MOSTLY CLOUDY WITH A CHANCE OF
SHOWERS. LOWS AROUND 50. HIGHS IN THE UPPER 60S. EAST WINDS 5 TO
10 MPH.
RIZ003-190800-
WESTERN KENT RI-
INCLUDING THE CITIES OF COVENTRY AND WEST GREENWICH
410 PM EDT MON MAY 18 2026
TONIGHT TUE TUE NIGHT WED
CLOUD COVER MCLEAR MCLEAR PCLDY PCLDY
PRECIP TYPE NONE NONE NONE TSTMS
CHANCE PRECIP (%) 10 10 70
CHANCE OF THUNDER (%) 0 0 0 20
TEMP (24H TREND) 62 (+2) 89 (+11) 66 90
RH % (24H TREND) 93 (-4) 41 (+1) 84 41
20FT WND AM(MPH) SW 6 SW 7
20FT WND PM(MPH) SW 6 SW 9 G17 SW 8 G17 W 10 G19
PRECIP AMOUNT 0.00 0.00 0.00 0.06
PRECIP DURATION 2
PRECIP BEGIN 12 PM
PRECIP END CONTINUING
MIXING HGT (FT-AGL) 430 3700 470 6500
TRANSPORT WND (KTS) W 12 SW 15 SW 11 W 21
VENT RATE (KT-FT) 5160 55500 5170 136500
MAX ADI EARLY 28 FAIR 35 FAIR 31 FAIR 50 GEN GOOD
MAX ADI LATE 13 GEN POOR 47 GEN GOOD 13 GEN POOR 75 GOOD
MAX LVORI EARLY 5 1 3 2
MAX LVORI LATE 5 1 3 2
MIN VSBY EARLY 9 7 8 9
MIN VSBY LATE 8 9 8 6 FOG
SUNSHINE HOURS N/A N/A N/A N/A
CWR 0 0 0 50
REMARKS...NONE.
FORECAST FOR DAYS 3 THROUGH 7
WEDNESDAY NIGHT
MOSTLY CLOUDY WITH A CHANCE OF SHOWERS. LOWS
IN THE MID 50S. NORTHWEST WINDS 5 TO 10 MPH.
THURSDAY
MOSTLY SUNNY. HIGHS IN THE UPPER 60S. NORTHWEST WINDS
5 TO 10 MPH.
THURSDAY NIGHT
PARTLY CLOUDY. LOWS IN THE MID 40S. SOUTH WINDS
AROUND 5 MPH, BECOMING NORTH AFTER MIDNIGHT.
FRIDAY
PARTLY SUNNY. HIGHS IN THE UPPER 60S. NORTHEAST WINDS
AROUND 5 MPH, BECOMING SOUTHEAST IN THE AFTERNOON.
FRIDAY NIGHT
MOSTLY CLOUDY WITH A CHANCE OF SHOWERS. LOWS IN
THE MID 40S. SOUTH WINDS AROUND 5 MPH.
SATURDAY THROUGH SUNDAY
MOSTLY CLOUDY WITH SHOWERS LIKELY.
LOWS IN THE UPPER 40S. HIGHS IN THE LOWER 60S. EAST WINDS 5 TO
10 MPH.
SUNDAY NIGHT AND MONDAY
MOSTLY CLOUDY WITH A CHANCE OF
SHOWERS. LOWS AROUND 50. HIGHS IN THE UPPER 60S. EAST WINDS
AROUND 5 MPH.
RIZ004-190800-
EASTERN KENT RI-
INCLUDING THE CITIES OF EAST GREENWICH, WARWICK, AND WEST WARWICK
410 PM EDT MON MAY 18 2026
TONIGHT TUE TUE NIGHT WED
CLOUD COVER MCLEAR PCLDY PCLDY PCLDY
PRECIP TYPE NONE NONE NONE TSTMS
CHANCE PRECIP (%) 10 10 70
CHANCE OF THUNDER (%) 0 0 0 20
TEMP (24H TREND) 60 (0) 90 (+14) 66 91
RH % (24H TREND) 93 (+3) 38 (0) 87 38
20FT WND AM(MPH) SW 6 SW 7
20FT WND PM(MPH) S 6 SW 10 G18 SW 9 G17 SW 11 G19
PRECIP AMOUNT 0.00 0.00 0.00 0.05
PRECIP DURATION 2
PRECIP BEGIN 12 PM
PRECIP END CONTINUING
MIXING HGT (FT-AGL) 430 3510 480 5430
TRANSPORT WND (KTS) SW 10 SW 14 SW 12 SW 19
VENT RATE (KT-FT) 4300 49140 5760 103170
MAX ADI EARLY 22 FAIR 32 FAIR 28 FAIR 45 GEN GOOD
MAX ADI LATE 12 POOR 41 GEN GOOD 14 GEN POOR 62 GOOD
MAX LVORI EARLY 5 1 4 2
MAX LVORI LATE 5 1 4 2
MIN VSBY EARLY 8 8 8 9
MIN VSBY LATE 8 9 7 6 FOG
SUNSHINE HOURS N/A N/A N/A N/A
CWR 0 0 0 40
REMARKS...NONE.
FORECAST FOR DAYS 3 THROUGH 7
WEDNESDAY NIGHT
MOSTLY CLOUDY WITH A CHANCE OF SHOWERS. LOWS
IN THE MID 50S. NORTHWEST WINDS 5 TO 10 MPH.
THURSDAY AND THURSDAY NIGHT
PARTLY CLOUDY. LOWS 48 TO 55.
HIGHS IN THE UPPER 60S. NORTHWEST WINDS 5 TO 10 MPH.
FRIDAY
PARTLY SUNNY. HIGHS IN THE UPPER 60S. NORTHEAST WINDS
AROUND 5 MPH, BECOMING SOUTHEAST IN THE AFTERNOON.
FRIDAY NIGHT
MOSTLY CLOUDY WITH A CHANCE OF SHOWERS. LOWS IN
THE UPPER 40S. SOUTH WINDS 5 TO 10 MPH.
SATURDAY AND SATURDAY NIGHT
CLOUDY WITH SHOWERS LIKELY. LOWS
IN THE UPPER 40S. HIGHS IN THE LOWER 60S. NORTHEAST WINDS 5 TO
10 MPH.
SUNDAY
MOSTLY CLOUDY WITH SHOWERS LIKELY. HIGHS IN THE MID
60S. EAST WINDS 5 TO 10 MPH.
SUNDAY NIGHT AND MONDAY
MOSTLY CLOUDY WITH A CHANCE OF
SHOWERS. LOWS AROUND 50. HIGHS IN THE UPPER 60S. EAST WINDS 5 TO
10 MPH.
RIZ005-190800-
BRISTOL RI-
INCLUDING THE CITY OF BRISTOL
410 PM EDT MON MAY 18 2026
TONIGHT TUE TUE NIGHT WED
CLOUD COVER MCLEAR PCLDY PCLDY PCLDY
PRECIP TYPE NONE NONE NONE TSTMS
CHANCE PRECIP (%) 10 10 60
CHANCE OF THUNDER (%) 0 0 0 20
TEMP (24H TREND) 59 (0) 85 (+11) 64 89
RH % (24H TREND) 100 (+3) 42 (+2) 90 42
20FT WND AM(MPH) S 7 SW 8
20FT WND PM(MPH) S 7 S 11 G19 SW 10 G18 SW 11 G19
PRECIP AMOUNT 0.00 0.00 0.00 0.06
PRECIP DURATION 2
PRECIP BEGIN 12 PM
PRECIP END CONTINUING
MIXING HGT (FT-AGL) 400 1700 440 2800
TRANSPORT WND (KTS) SW 10 SW 15 SW 13 SW 16
VENT RATE (KT-FT) 4000 25500 5720 44800
MAX ADI EARLY 17 GEN POOR 18 GEN POOR 19 GEN POOR 29 FAIR
MAX ADI LATE 12 POOR 24 FAIR 14 GEN POOR 32 FAIR
MAX LVORI EARLY 6 2 4 3
MAX LVORI LATE 6 2 4 3
MIN VSBY EARLY 6 FOG 7 8 9
MIN VSBY LATE 7 9 7 6 FOG
SUNSHINE HOURS N/A N/A N/A N/A
CWR 0 0 0 40
REMARKS...NONE.
FORECAST FOR DAYS 3 THROUGH 7
WEDNESDAY NIGHT
MOSTLY CLOUDY WITH A CHANCE OF SHOWERS. LOWS
IN THE MID 50S. NORTHWEST WINDS 5 TO 10 MPH.
THURSDAY AND THURSDAY NIGHT
PARTLY CLOUDY. LOWS 48 TO 55.
HIGHS IN THE UPPER 60S. NORTHWEST WINDS 5 TO 10 MPH.
FRIDAY
PARTLY SUNNY. HIGHS IN THE MID 60S. NORTHEAST WINDS
AROUND 5 MPH, BECOMING SOUTHEAST IN THE AFTERNOON.
FRIDAY NIGHT
MOSTLY CLOUDY WITH A CHANCE OF SHOWERS. LOWS IN
THE UPPER 40S. SOUTH WINDS 5 TO 10 MPH.
SATURDAY
CLOUDY WITH SHOWERS LIKELY. HIGHS AROUND 60. EAST
WINDS 5 TO 10 MPH.
SATURDAY NIGHT AND SUNDAY
MOSTLY CLOUDY WITH SHOWERS LIKELY.
LOWS IN THE UPPER 40S. HIGHS IN THE LOWER 60S. EAST WINDS 5 TO
10 MPH.
SUNDAY NIGHT AND MONDAY
MOSTLY CLOUDY WITH A CHANCE OF
SHOWERS. LOWS AROUND 50. HIGHS IN THE MID 60S. EAST WINDS 5 TO
10 MPH.
RIZ006-190800-
WASHINGTON RI-
INCLUDING THE CITIES OF NARRAGANSETT AND WESTERLY
410 PM EDT MON MAY 18 2026
TONIGHT TUE TUE NIGHT WED
CLOUD COVER MCLEAR PCLDY PCLDY PCLDY
PRECIP TYPE NONE NONE NONE TSTMS
CHANCE PRECIP (%) 10 70
CHANCE OF THUNDER (%) 0 0 0 20
TEMP (24H TREND) 57 (-1) 85 (+12) 61 88
RH % (24H TREND) 100 (0) 39 (-1) 93 39
20FT WND AM(MPH) SW 6 SW 7 G17
20FT WND PM(MPH) SW 5 SW 9 G18 SW 8 G18 SW 10 G20
PRECIP AMOUNT 0.00 0.00 0.00 0.06
PRECIP DURATION 1
PRECIP BEGIN 2 PM
PRECIP END CONTINUING
MIXING HGT (FT-AGL) 390 1930 460 3530
TRANSPORT WND (KTS) SW 11 SW 13 SW 12 SW 17
VENT RATE (KT-FT) 4290 25090 5520 60010
MAX ADI EARLY 14 GEN POOR 21 FAIR 20 GEN POOR 28 FAIR
MAX ADI LATE 12 POOR 25 FAIR 15 GEN POOR 36 FAIR
MAX LVORI EARLY 6 2 4 2
MAX LVORI LATE 6 2 4 2
MIN VSBY EARLY 2 FOG 2 FOG 7 8
MIN VSBY LATE 3 FOG 9 7 6 FOG
SUNSHINE HOURS N/A N/A N/A N/A
CWR 0 0 0 40
REMARKS...NONE.
FORECAST FOR DAYS 3 THROUGH 7
WEDNESDAY NIGHT
MOSTLY CLOUDY WITH A CHANCE OF SHOWERS. LOWS
IN THE MID 50S. NORTHWEST WINDS 5 TO 10 MPH.
THURSDAY
MOSTLY SUNNY. HIGHS IN THE UPPER 60S. NORTH WINDS
5 TO 10 MPH, BECOMING EAST IN THE AFTERNOON.
THURSDAY NIGHT
PARTLY CLOUDY. LOWS IN THE UPPER 40S. SOUTH
WINDS AROUND 5 MPH, BECOMING NORTH AFTER MIDNIGHT.
FRIDAY
PARTLY SUNNY. HIGHS IN THE MID 60S. NORTHEAST WINDS
AROUND 5 MPH, BECOMING SOUTHEAST IN THE AFTERNOON.
FRIDAY NIGHT
MOSTLY CLOUDY WITH A CHANCE OF SHOWERS. LOWS IN
THE UPPER 40S. SOUTHEAST WINDS 5 TO 10 MPH.
SATURDAY THROUGH SUNDAY
MOSTLY CLOUDY WITH SHOWERS LIKELY.
LOWS IN THE UPPER 40S. HIGHS IN THE LOWER 60S. EAST WINDS 5 TO
10 MPH.
SUNDAY NIGHT AND MONDAY
MOSTLY CLOUDY WITH A CHANCE OF
SHOWERS. LOWS AROUND 50. HIGHS IN THE MID 60S. EAST WINDS 5 TO
10 MPH.
RIZ007-190800-
NEWPORT RI-
INCLUDING THE CITY OF NEWPORT
410 PM EDT MON MAY 18 2026
TONIGHT TUE TUE NIGHT WED
CLOUD COVER PCLDY PCLDY PCLDY PCLDY
PRECIP TYPE NONE NONE NONE TSTMS
CHANCE PRECIP (%) 10 60
CHANCE OF THUNDER (%) 0 0 0 20
TEMP (24H TREND) 57 (-1) 79 (+8) 60 84
RH % (24H TREND) 100 (0) 48 (+7) 90 43
20FT WND AM(MPH) SW 8 SW 10 G19
20FT WND PM(MPH) SW 7 SW 12 G20 SW 11 G19 SW 12 G21
PRECIP AMOUNT 0.00 0.00 0.00 0.05
PRECIP DURATION 1
PRECIP BEGIN 2 PM
PRECIP END CONTINUING
MIXING HGT (FT-AGL) 410 860 470 1410
TRANSPORT WND (KTS) SW 12 SW 14 SW 14 W 13
VENT RATE (KT-FT) 4920 12040 6580 18330
MAX ADI EARLY 15 GEN POOR 17 GEN POOR 20 GEN POOR 20 GEN POOR
MAX ADI LATE 13 GEN POOR 21 FAIR 17 GEN POOR 22 FAIR
MAX LVORI EARLY 6 2 4 3
MAX LVORI LATE 6 2 4 3
MIN VSBY EARLY 1 FOG 2 FOG 8 8
MIN VSBY LATE 2 FOG 8 7 6 FOG
SUNSHINE HOURS N/A N/A N/A N/A
CWR 0 0 0 40
REMARKS...NONE.
FORECAST FOR DAYS 3 THROUGH 7
WEDNESDAY NIGHT
MOSTLY CLOUDY WITH A CHANCE OF SHOWERS. LOWS
IN THE MID 50S. NORTHWEST WINDS 10 TO 15 MPH.
THURSDAY
MOSTLY SUNNY. HIGHS IN THE UPPER 60S. NORTH WINDS
5 TO 10 MPH, BECOMING EAST IN THE AFTERNOON.
THURSDAY NIGHT
PARTLY CLOUDY. LOWS IN THE UPPER 40S. SOUTH
WINDS 5 TO 10 MPH, BECOMING NORTHWEST AFTER MIDNIGHT.
FRIDAY
PARTLY SUNNY. HIGHS IN THE MID 60S. NORTHEAST WINDS
AROUND 5 MPH, BECOMING SOUTHEAST IN THE AFTERNOON.
FRIDAY NIGHT
MOSTLY CLOUDY WITH A CHANCE OF SHOWERS. LOWS IN
THE UPPER 40S. SOUTH WINDS 5 TO 10 MPH.
SATURDAY
CLOUDY WITH SHOWERS LIKELY. HIGHS AROUND 60. EAST
WINDS 5 TO 10 MPH.
SATURDAY NIGHT AND SUNDAY
MOSTLY CLOUDY WITH SHOWERS LIKELY.
LOWS IN THE UPPER 40S. HIGHS IN THE LOWER 60S. EAST WINDS 5 TO
10 MPH.
SUNDAY NIGHT AND MONDAY
MOSTLY CLOUDY WITH A CHANCE OF
SHOWERS. LOWS IN THE LOWER 50S. HIGHS IN THE MID 60S. EAST WINDS
5 TO 10 MPH.
RIZ008-190800-
BLOCK ISLAND RI-
INCLUDING THE CITY OF NEW SHOREHAM
410 PM EDT MON MAY 18 2026
TONIGHT TUE TUE NIGHT WED
CLOUD COVER PCLDY PCLDY PCLDY PCLDY
PRECIP TYPE NONE NONE NONE TSTMS
CHANCE PRECIP (%) 60
CHANCE OF THUNDER (%) 0 0 0 10
TEMP (24H TREND) 55 (0) 68 (+3) 58 70
RH % (24H TREND) 100 (0) 66 (+1) 93 59
20FT WND AM(MPH) SW 10 SW 12 G19
20FT WND PM(MPH) SW 7 SW 13 G21 SW 13 G23 SW 15 G23
PRECIP AMOUNT 0.00 0.00 0.00 0.02
PRECIP DURATION 1
PRECIP BEGIN 2 PM
PRECIP END CONTINUING
MIXING HGT (FT-AGL) 380 440 460 560
TRANSPORT WND (KTS) SW 18 SW 21 SW 22 SW 20
VENT RATE (KT-FT) 6840 9240 10120 11200
MAX ADI EARLY 18 GEN POOR 22 FAIR 28 FAIR 23 FAIR
MAX ADI LATE 23 FAIR 27 FAIR 24 FAIR 27 FAIR
MAX LVORI EARLY 5 4 4 4
MAX LVORI LATE 5 4 4 4
MIN VSBY EARLY 0 FOG 1 FOG 7 8
MIN VSBY LATE 0 FOG 7 7 9
SUNSHINE HOURS N/A N/A N/A N/A
CWR 0 0 0 10
REMARKS...NONE.
FORECAST FOR DAYS 3 THROUGH 7
WEDNESDAY NIGHT
MOSTLY CLOUDY WITH A CHANCE OF SHOWERS. LOWS
IN THE LOWER 50S. NORTHWEST WINDS 10 TO 15 MPH.
THURSDAY
PARTLY SUNNY. HIGHS IN THE LOWER 60S. NORTH WINDS
5 TO 10 MPH, BECOMING SOUTHEAST IN THE AFTERNOON.
THURSDAY NIGHT
PARTLY CLOUDY. LOWS AROUND 50. SOUTH WINDS
AROUND 5 MPH, BECOMING NORTH AROUND 5 MPH AFTER MIDNIGHT.
FRIDAY
PARTLY SUNNY. HIGHS IN THE UPPER 50S. NORTHEAST WINDS
AROUND 5 MPH, BECOMING SOUTHEAST IN THE AFTERNOON.
FRIDAY NIGHT
MOSTLY CLOUDY WITH A CHANCE OF SHOWERS. LOWS IN
THE UPPER 40S. SOUTHEAST WINDS AROUND 5 MPH.
SATURDAY AND SATURDAY NIGHT
CLOUDY WITH SHOWERS LIKELY. LOWS
AROUND 50. HIGHS IN THE UPPER 50S. EAST WINDS 5 TO 10 MPH.
SUNDAY
MOSTLY CLOUDY WITH SHOWERS LIKELY. HIGHS IN THE UPPER
50S. EAST WINDS AROUND 10 MPH.
SUNDAY NIGHT AND MONDAY
MOSTLY CLOUDY WITH A CHANCE OF
SHOWERS. LOWS IN THE LOWER 50S. HIGHS IN THE LOWER 60S. EAST
WINDS 5 TO 10 MPH.
MAZ017-190800-
NORTHERN BRISTOL MA-
INCLUDING THE CITY OF TAUNTON
410 PM EDT MON MAY 18 2026
TONIGHT TUE TUE NIGHT WED
CLOUD COVER MCLEAR MCLEAR PCLDY PCLDY
PRECIP TYPE NONE NONE NONE TSTMS
CHANCE PRECIP (%) 10 10 60
CHANCE OF THUNDER (%) 0 0 0 20
TEMP (24H TREND) 60 (+4) 91 (+13) 66 91
RH % (24H TREND) 100 (0) 36 (+8) 87 39
20FT WND AM(MPH) SW 5 SW 6
20FT WND PM(MPH) S 5 SW 9 G18 SW 7 G18 W 9 G18
PRECIP AMOUNT 0.00 0.00 0.00 0.05
PRECIP DURATION 3
PRECIP BEGIN 12 PM
PRECIP END CONTINUING
MIXING HGT (FT-AGL) 420 5460 480 7160
TRANSPORT WND (KTS) SW 10 SW 16 W 11 W 20
VENT RATE (KT-FT) 4200 87360 5280 143200
MAX ADI EARLY 28 FAIR 41 GEN GOOD 27 FAIR 90 GOOD
MAX ADI LATE 11 POOR 60 GEN GOOD 13 GEN POOR 78 GOOD
MAX LVORI EARLY 5 1 3 2
MAX LVORI LATE 5 1 3 2
MIN VSBY EARLY 9 7 8 8
MIN VSBY LATE 8 9 8 6 FOG
SUNSHINE HOURS N/A N/A N/A N/A
CWR 0 0 0 40
REMARKS...NONE.
FORECAST FOR DAYS 3 THROUGH 7
WEDNESDAY NIGHT
MOSTLY CLOUDY WITH A CHANCE OF SHOWERS. LOWS
IN THE LOWER 50S. NORTHWEST WINDS 5 TO 10 MPH.
THURSDAY AND THURSDAY NIGHT
PARTLY CLOUDY. LOWS 46 TO 53.
HIGHS IN THE UPPER 60S. NORTHWEST WINDS AROUND 5 MPH.
FRIDAY
PARTLY SUNNY. HIGHS IN THE UPPER 60S. NORTHEAST WINDS
AROUND 5 MPH, BECOMING SOUTHEAST IN THE AFTERNOON.
FRIDAY NIGHT
MOSTLY CLOUDY WITH A CHANCE OF SHOWERS. LOWS IN
THE MID 40S. SOUTHWEST WINDS AROUND 5 MPH.
SATURDAY
CLOUDY WITH SHOWERS LIKELY. HIGHS IN THE LOWER 60S.
EAST WINDS AROUND 5 MPH.
SATURDAY NIGHT AND SUNDAY
MOSTLY CLOUDY WITH SHOWERS LIKELY.
LOWS IN THE UPPER 40S. HIGHS IN THE MID 60S. EAST WINDS AROUND
5 MPH.
SUNDAY NIGHT AND MONDAY
MOSTLY CLOUDY WITH A CHANCE OF
SHOWERS. LOWS IN THE UPPER 40S. HIGHS IN THE UPPER 60S. EAST
WINDS AROUND 5 MPH.
MAZ018-190800-
WESTERN PLYMOUTH MA-
INCLUDING THE CITY OF BROCKTON
410 PM EDT MON MAY 18 2026
TONIGHT TUE TUE NIGHT WED
CLOUD COVER MCLEAR MCLEAR PCLDY PCLDY
PRECIP TYPE NONE NONE NONE TSTMS
CHANCE PRECIP (%) 10 10 60
CHANCE OF THUNDER (%) 0 0 0 20
TEMP (24H TREND) 59 (+3) 91 (+14) 64 91
RH % (24H TREND) 100 (0) 35 (-2) 90 38
20FT WND AM(MPH) SW 5 SW 6
20FT WND PM(MPH) S 5 SW 9 G19 SW 7 G19 W 9 G19
PRECIP AMOUNT 0.00 0.00 0.00 0.06
PRECIP DURATION 3
PRECIP BEGIN 12 PM
PRECIP END CONTINUING
MIXING HGT (FT-AGL) 430 5390 480 6830
TRANSPORT WND (KTS) SW 12 SW 17 W 12 W 20
VENT RATE (KT-FT) 5160 91630 5760 136600
MAX ADI EARLY 28 FAIR 39 FAIR 27 FAIR 82 GOOD
MAX ADI LATE 13 GEN POOR 60 GEN GOOD 13 GEN POOR 74 GOOD
MAX LVORI EARLY 5 1 3 2
MAX LVORI LATE 5 1 3 2
MIN VSBY EARLY 8 7 8 8
MIN VSBY LATE 7 9 7 6 FOG
SUNSHINE HOURS N/A N/A N/A N/A
CWR 0 0 0 40
REMARKS...NONE.
FORECAST FOR DAYS 3 THROUGH 7
WEDNESDAY NIGHT
MOSTLY CLOUDY WITH A CHANCE OF SHOWERS. LOWS
IN THE LOWER 50S. NORTHWEST WINDS 5 TO 10 MPH.
THURSDAY
MOSTLY SUNNY. HIGHS IN THE UPPER 60S. NORTH WINDS
AROUND 5 MPH.
THURSDAY NIGHT
PARTLY CLOUDY. LOWS IN THE MID 40S. SOUTH WINDS
AROUND 5 MPH, BECOMING NORTHWEST AFTER MIDNIGHT.
FRIDAY
PARTLY SUNNY. HIGHS IN THE MID 60S. NORTHEAST WINDS
AROUND 5 MPH, BECOMING SOUTHEAST AROUND 5 MPH IN THE AFTERNOON.
FRIDAY NIGHT
MOSTLY CLOUDY WITH A CHANCE OF SHOWERS. LOWS IN
THE MID 40S. SOUTHWEST WINDS AROUND 5 MPH.
SATURDAY
CLOUDY WITH SHOWERS LIKELY. HIGHS IN THE LOWER 60S.
EAST WINDS AROUND 5 MPH.
SATURDAY NIGHT
CLOUDY WITH SHOWERS LIKELY. LOWS IN THE UPPER
40S. EAST WINDS AROUND 5 MPH.
SUNDAY
MOSTLY CLOUDY WITH SHOWERS LIKELY. HIGHS IN THE LOWER
60S. EAST WINDS AROUND 5 MPH.
SUNDAY NIGHT AND MONDAY
MOSTLY CLOUDY WITH A CHANCE OF
SHOWERS. LOWS IN THE UPPER 40S. HIGHS IN THE MID 60S. EAST WINDS
AROUND 5 MPH.
MAZ019-190800-
EASTERN PLYMOUTH MA-
INCLUDING THE CITY OF PLYMOUTH
410 PM EDT MON MAY 18 2026
TONIGHT TUE TUE NIGHT WED
CLOUD COVER MCLEAR MCLEAR PCLDY PCLDY
PRECIP TYPE NONE NONE NONE TSTMS
CHANCE PRECIP (%) 10 10 60
CHANCE OF THUNDER (%) 0 0 0 20
TEMP (24H TREND) 59 (+4) 90 (+17) 63 88
RH % (24H TREND) 100 (+3) 33 (+4) 90 37
20FT WND AM(MPH) SW 6 SW 7
20FT WND PM(MPH) SW 6 SW 10 G21 SW 9 G21 SW 9 G19
PRECIP AMOUNT 0.00 0.00 0.00 0.07
PRECIP DURATION 3
PRECIP BEGIN 12 PM
PRECIP END CONTINUING
MIXING HGT (FT-AGL) 430 3480 480 4260
TRANSPORT WND (KTS) SW 14 SW 15 SW 15 SW 17
VENT RATE (KT-FT) 6020 52200 7200 72420
MAX ADI EARLY 16 GEN POOR 21 FAIR 21 FAIR 42 GEN GOOD
MAX ADI LATE 17 GEN POOR 31 FAIR 17 GEN POOR 43 GEN GOOD
MAX LVORI EARLY 5 2 3 2
MAX LVORI LATE 5 2 3 2
MIN VSBY EARLY 6 FOG 6 FOG 8 8
MIN VSBY LATE 6 FOG 9 7 6 FOG
SUNSHINE HOURS N/A N/A N/A N/A
CWR 0 0 0 40
REMARKS...NONE.
FORECAST FOR DAYS 3 THROUGH 7
WEDNESDAY NIGHT
MOSTLY CLOUDY WITH A CHANCE OF SHOWERS. LOWS
IN THE LOWER 50S. NORTHWEST WINDS 10 TO 15 MPH.
THURSDAY
MOSTLY SUNNY. HIGHS IN THE MID 60S. NORTH WINDS 10 TO
15 MPH, BECOMING NORTHEAST 5 TO 10 MPH IN THE AFTERNOON.
THURSDAY NIGHT
PARTLY CLOUDY. LOWS IN THE UPPER 40S. SOUTH
WINDS AROUND 5 MPH, BECOMING NORTHWEST AFTER MIDNIGHT.
FRIDAY
MOSTLY SUNNY. HIGHS IN THE MID 60S. NORTHEAST WINDS
AROUND 5 MPH, BECOMING SOUTHEAST IN THE AFTERNOON.
FRIDAY NIGHT
MOSTLY CLOUDY WITH A CHANCE OF SHOWERS. LOWS IN
THE UPPER 40S. SOUTHWEST WINDS 5 TO 10 MPH.
SATURDAY THROUGH SUNDAY
MOSTLY CLOUDY WITH SHOWERS LIKELY.
LOWS IN THE UPPER 40S. HIGHS IN THE LOWER 60S. EAST WINDS 5 TO
10 MPH.
SUNDAY NIGHT AND MONDAY
MOSTLY CLOUDY WITH A CHANCE OF
SHOWERS. LOWS IN THE UPPER 40S. HIGHS IN THE LOWER 60S. EAST
WINDS 5 TO 10 MPH.
MAZ020-190800-
SOUTHERN BRISTOL MA-
INCLUDING THE CITIES OF FALL RIVER AND NEW BEDFORD
410 PM EDT MON MAY 18 2026
TONIGHT TUE TUE NIGHT WED
CLOUD COVER MCLEAR PCLDY PCLDY PCLDY
PRECIP TYPE NONE NONE NONE TSTMS
CHANCE PRECIP (%) 10 10 60
CHANCE OF THUNDER (%) 0 0 0 20
TEMP (24H TREND) 57 (0) 86 (+13) 60 89
RH % (24H TREND) 100 (0) 43 (+4) 96 42
20FT WND AM(MPH) SW 6 G17 SW 8 G19
20FT WND PM(MPH) SW 6 SW 11 G22 SW 9 G21 SW 11 G23
PRECIP AMOUNT 0.00 0.00 0.00 0.05
PRECIP DURATION 2
PRECIP BEGIN 1 PM
PRECIP END CONTINUING
MIXING HGT (FT-AGL) 420 1650 480 2590
TRANSPORT WND (KTS) SW 12 SW 15 SW 13 SW 18
VENT RATE (KT-FT) 5040 24750 6240 46620
MAX ADI EARLY 20 GEN POOR 21 FAIR 22 FAIR 28 FAIR
MAX ADI LATE 12 POOR 26 FAIR 15 GEN POOR 33 FAIR
MAX LVORI EARLY 6 2 4 2
MAX LVORI LATE 6 2 4 2
MIN VSBY EARLY 1 FOG 3 FOG 7 8
MIN VSBY LATE 3 FOG 8 7 6 FOG
SUNSHINE HOURS N/A N/A N/A N/A
CWR 0 0 0 40
REMARKS...NONE.
FORECAST FOR DAYS 3 THROUGH 7
WEDNESDAY NIGHT
MOSTLY CLOUDY WITH A CHANCE OF SHOWERS. LOWS
IN THE MID 50S. NORTHWEST WINDS 10 TO 15 MPH.
THURSDAY
MOSTLY SUNNY. HIGHS IN THE UPPER 60S. NORTHEAST WINDS
5 TO 10 MPH.
THURSDAY NIGHT
PARTLY CLOUDY. LOWS IN THE UPPER 40S. SOUTH
WINDS 5 TO 10 MPH, BECOMING NORTHWEST AFTER MIDNIGHT.
FRIDAY
PARTLY SUNNY. HIGHS IN THE MID 60S. NORTHEAST WINDS
AROUND 5 MPH, BECOMING SOUTHEAST IN THE AFTERNOON.
FRIDAY NIGHT
MOSTLY CLOUDY WITH A CHANCE OF SHOWERS. LOWS IN
THE UPPER 40S. SOUTH WINDS 5 TO 10 MPH.
SATURDAY
CLOUDY WITH SHOWERS LIKELY. HIGHS IN THE LOWER 60S.
EAST WINDS 5 TO 10 MPH.
SATURDAY NIGHT AND SUNDAY
MOSTLY CLOUDY WITH SHOWERS LIKELY.
LOWS IN THE UPPER 40S. HIGHS IN THE MID 60S. EAST WINDS 5 TO
10 MPH.
SUNDAY NIGHT AND MONDAY
MOSTLY CLOUDY WITH A CHANCE OF
SHOWERS. LOWS AROUND 50. HIGHS IN THE UPPER 60S. EAST WINDS 5 TO
10 MPH.
MAZ021-190800-
SOUTHERN PLYMOUTH MA-
INCLUDING THE CITY OF MATTAPOISETT
410 PM EDT MON MAY 18 2026
TONIGHT TUE TUE NIGHT WED
CLOUD COVER PCLDY PCLDY PCLDY PCLDY
PRECIP TYPE NONE NONE NONE TSTMS
CHANCE PRECIP (%) 10 10 60
CHANCE OF THUNDER (%) 0 0 0 20
TEMP (24H TREND) 57 (+1) 84 (+11) 60 86
RH % (24H TREND) 100 (0) 44 (+3) 93 43
20FT WND AM(MPH) SW 6 G17 SW 7 G19
20FT WND PM(MPH) SW 5 SW 11 G22 SW 9 G21 SW 11 G22
PRECIP AMOUNT 0.00 0.00 0.00 0.06
PRECIP DURATION 1
PRECIP BEGIN 2 PM
PRECIP END CONTINUING
MIXING HGT (FT-AGL) 420 1550 470 2320
TRANSPORT WND (KTS) SW 11 SW 15 SW 13 SW 18
VENT RATE (KT-FT) 4620 23250 6110 41760
MAX ADI EARLY 18 GEN POOR 23 FAIR 21 FAIR 26 FAIR
MAX ADI LATE 12 POOR 26 FAIR 15 GEN POOR 34 FAIR
MAX LVORI EARLY 6 2 4 2
MAX LVORI LATE 6 2 4 2
MIN VSBY EARLY 1 FOG 3 FOG 7 8
MIN VSBY LATE 3 FOG 9 7 6 FOG
SUNSHINE HOURS N/A N/A N/A N/A
CWR 0 0 0 40
REMARKS...NONE.
FORECAST FOR DAYS 3 THROUGH 7
WEDNESDAY NIGHT
MOSTLY CLOUDY WITH A CHANCE OF SHOWERS. LOWS
IN THE MID 50S. NORTHWEST WINDS 5 TO 10 MPH.
THURSDAY
MOSTLY SUNNY. HIGHS IN THE MID 60S. NORTH WINDS 5 TO
10 MPH, BECOMING NORTHEAST IN THE AFTERNOON.
THURSDAY NIGHT
PARTLY CLOUDY. LOWS IN THE UPPER 40S. SOUTH
WINDS AROUND 5 MPH, BECOMING NORTHWEST AFTER MIDNIGHT.
FRIDAY
PARTLY SUNNY. HIGHS IN THE MID 60S. NORTHEAST WINDS
AROUND 5 MPH, BECOMING SOUTHEAST IN THE AFTERNOON.
FRIDAY NIGHT
MOSTLY CLOUDY WITH A CHANCE OF SHOWERS. LOWS IN
THE UPPER 40S. SOUTHWEST WINDS 5 TO 10 MPH.
SATURDAY
CLOUDY WITH SHOWERS LIKELY. HIGHS IN THE LOWER 60S.
EAST WINDS 5 TO 10 MPH.
SATURDAY NIGHT AND SUNDAY
MOSTLY CLOUDY WITH SHOWERS LIKELY.
LOWS IN THE UPPER 40S. HIGHS IN THE LOWER 60S. EAST WINDS 5 TO
10 MPH.
SUNDAY NIGHT AND MONDAY
MOSTLY CLOUDY WITH A CHANCE OF
SHOWERS. LOWS IN THE UPPER 40S. HIGHS IN THE MID 60S. EAST WINDS
5 TO 10 MPH.
MAZ022-190800-
BARNSTABLE MA-
INCLUDING THE CITIES OF CHATHAM, FALMOUTH, AND PROVINCETOWN
410 PM EDT MON MAY 18 2026
TONIGHT TUE TUE NIGHT WED
CLOUD COVER PCLDY PCLDY PCLDY PCLDY
PRECIP TYPE NONE NONE NONE TSTMS
CHANCE PRECIP (%) 10 60
CHANCE OF THUNDER (%) 0 0 0 20
TEMP (24H TREND) 58 (+2) 76 (+7) 61 79
RH % (24H TREND) 100 (0) 50 (+15) 93 49
20FT WND AM(MPH) SW 8 G17 SW 9 G19
20FT WND PM(MPH) SW 5 SW 11 G22 SW 9 G22 SW 11 G22
PRECIP AMOUNT 0.00 0.00 0.00 0.05
PRECIP DURATION 1
PRECIP BEGIN 2 PM
PRECIP END CONTINUING
MIXING HGT (FT-AGL) 430 950 510 1080
TRANSPORT WND (KTS) SW 16 SW 19 SW 18 W 18
VENT RATE (KT-FT) 6880 18050 9180 19440
MAX ADI EARLY 17 GEN POOR 21 FAIR 24 FAIR 22 FAIR
MAX ADI LATE 19 GEN POOR 25 FAIR 20 GEN POOR 26 FAIR
MAX LVORI EARLY 6 2 4 2
MAX LVORI LATE 6 2 4 2
MIN VSBY EARLY 0 FOG 1 FOG 7 7
MIN VSBY LATE 2 FOG 8 6 FOG 8
SUNSHINE HOURS N/A N/A N/A N/A
CWR 0 0 0 30
REMARKS...NONE.
FORECAST FOR DAYS 3 THROUGH 7
WEDNESDAY NIGHT
MOSTLY CLOUDY WITH A CHANCE OF SHOWERS. LOWS
IN THE LOWER 50S. WEST WINDS 5 TO 10 MPH, BECOMING NORTHWEST
AFTER MIDNIGHT.
THURSDAY
MOSTLY SUNNY. HIGHS IN THE MID 60S. NORTHEAST WINDS
5 TO 10 MPH.
THURSDAY NIGHT
PARTLY CLOUDY. LOWS AROUND 50. SOUTH WINDS
AROUND 5 MPH, BECOMING NORTHWEST AFTER MIDNIGHT.
FRIDAY
MOSTLY SUNNY. HIGHS IN THE MID 60S. NORTHEAST WINDS
AROUND 5 MPH, BECOMING SOUTHEAST IN THE AFTERNOON.
FRIDAY NIGHT
MOSTLY CLOUDY WITH A CHANCE OF SHOWERS. LOWS
AROUND 50. SOUTH WINDS AROUND 5 MPH.
SATURDAY
MOSTLY CLOUDY WITH SHOWERS LIKELY. HIGHS IN THE LOWER
60S. EAST WINDS 5 TO 10 MPH.
SATURDAY NIGHT
CLOUDY WITH SHOWERS LIKELY. LOWS AROUND 50.
EAST WINDS 5 TO 10 MPH.
SUNDAY
MOSTLY CLOUDY WITH SHOWERS LIKELY. HIGHS IN THE MID
60S. EAST WINDS 5 TO 10 MPH.
SUNDAY NIGHT AND MONDAY
MOSTLY CLOUDY WITH A CHANCE OF
SHOWERS. LOWS IN THE LOWER 50S. HIGHS IN THE MID 60S. EAST WINDS
5 TO 10 MPH.
MAZ023-190800-
DUKES MA-
INCLUDING THE CITY OF VINEYARD HAVEN
410 PM EDT MON MAY 18 2026
TONIGHT TUE TUE NIGHT WED
CLOUD COVER PCLDY PCLDY PCLDY PCLDY
PRECIP TYPE NONE NONE NONE SHOWERS
CHANCE PRECIP (%) 50
CHANCE OF THUNDER (%) 0 0 0 0
TEMP (24H TREND) 55 (+1) 73 (+6) 57 74
RH % (24H TREND) 100 (0) 59 (+12) 100 50
20FT WND AM(MPH) SW 10 G18 SW 13 G21
20FT WND PM(MPH) SW 7 SW 13 G22 SW 13 G21 SW 15 G23
PRECIP AMOUNT 0.00 0.00 0.00 0.02
PRECIP DURATION 1
PRECIP BEGIN 2 PM
PRECIP END CONTINUING
MIXING HGT (FT-AGL) 380 600 490 730
TRANSPORT WND (KTS) SW 14 SW 18 SW 20 SW 19
VENT RATE (KT-FT) 5320 10800 9800 13870
MAX ADI EARLY 17 GEN POOR 21 FAIR 26 FAIR 23 FAIR
MAX ADI LATE 20 GEN POOR 26 FAIR 24 FAIR 26 FAIR
MAX LVORI EARLY 8 3 4 3
MAX LVORI LATE 8 3 4 3
MIN VSBY EARLY 0 FOG 0 FOG 5 FOG 6 FOG
MIN VSBY LATE 0 FOG 7 4 FOG 9
SUNSHINE HOURS N/A N/A N/A N/A
CWR 0 0 0 20
REMARKS...NONE.
FORECAST FOR DAYS 3 THROUGH 7
WEDNESDAY NIGHT
MOSTLY CLOUDY WITH A CHANCE OF SHOWERS. LOWS
IN THE MID 50S. WEST WINDS 10 TO 15 MPH.
THURSDAY
PARTLY SUNNY. HIGHS IN THE MID 60S. NORTH WINDS 5 TO
10 MPH, BECOMING EAST IN THE AFTERNOON.
THURSDAY NIGHT
PARTLY CLOUDY. LOWS AROUND 50. SOUTH WINDS 5 TO
10 MPH, BECOMING NORTHWEST AFTER MIDNIGHT.
FRIDAY
MOSTLY SUNNY. HIGHS IN THE LOWER 60S. NORTHEAST WINDS
AROUND 5 MPH, BECOMING SOUTHEAST IN THE AFTERNOON.
FRIDAY NIGHT
MOSTLY CLOUDY WITH A CHANCE OF SHOWERS. LOWS IN
THE UPPER 40S. SOUTH WINDS 5 TO 10 MPH.
SATURDAY THROUGH SUNDAY
MOSTLY CLOUDY WITH SHOWERS LIKELY.
LOWS AROUND 50. HIGHS IN THE LOWER 60S. EAST WINDS 10 TO 15 MPH.
SUNDAY NIGHT AND MONDAY
MOSTLY CLOUDY WITH A CHANCE OF
SHOWERS. LOWS IN THE LOWER 50S. HIGHS IN THE MID 60S. EAST WINDS
5 TO 10 MPH.
MAZ024-190800-
NANTUCKET MA-
INCLUDING THE CITY OF NANTUCKET
410 PM EDT MON MAY 18 2026
TONIGHT TUE TUE NIGHT WED
CLOUD COVER PCLDY PCLDY PCLDY PCLDY
PRECIP TYPE NONE NONE NONE SHOWERS
CHANCE PRECIP (%) 10 30
CHANCE OF THUNDER (%) 0 0 0 0
TEMP (24H TREND) 56 (+1) 68 (+3) 58 70
RH % (24H TREND) 100 (0) 68 (+18) 93 63
20FT WND AM(MPH) SW 11 G19 SW 13 G22
20FT WND PM(MPH) SW 7 SW 14 G22 SW 13 G22 SW 15 G23
PRECIP AMOUNT 0.00 0.00 0.00 0.01
PRECIP DURATION 0
PRECIP BEGIN 3 PM
PRECIP END CONTINUING
MIXING HGT (FT-AGL) 380 530 490 730
TRANSPORT WND (KTS) SW 15 SW 21 SW 24 SW 22
VENT RATE (KT-FT) 5700 11130 11760 16060
MAX ADI EARLY 19 GEN POOR 26 FAIR 25 FAIR 27 FAIR
MAX ADI LATE 22 FAIR 29 FAIR 28 FAIR 31 FAIR
MAX LVORI EARLY 8 4 4 3
MAX LVORI LATE 8 4 4 3
MIN VSBY EARLY 0 FOG 0 FOG 3 FOG 5 FOG
MIN VSBY LATE 0 FOG 6 FOG 1 FOG 9
SUNSHINE HOURS N/A N/A N/A N/A
CWR 0 0 0 10
REMARKS...NONE.
FORECAST FOR DAYS 3 THROUGH 7
WEDNESDAY NIGHT
MOSTLY CLOUDY WITH SHOWERS LIKELY. LOWS IN THE
LOWER 50S. WEST WINDS 10 TO 15 MPH, BECOMING NORTHWEST 5 TO
10 MPH AFTER MIDNIGHT.
THURSDAY
PARTLY SUNNY WITH A CHANCE OF SHOWERS. HIGHS IN THE
LOWER 60S. NORTHEAST WINDS 10 TO 15 MPH.
THURSDAY NIGHT
PARTLY CLOUDY. LOWS IN THE LOWER 50S. SOUTHEAST
WINDS AROUND 5 MPH, BECOMING WEST AFTER MIDNIGHT.
FRIDAY
MOSTLY SUNNY. HIGHS IN THE LOWER 60S. NORTHEAST WINDS
AROUND 5 MPH, BECOMING SOUTHEAST IN THE AFTERNOON.
FRIDAY NIGHT
MOSTLY CLOUDY WITH A CHANCE OF SHOWERS. LOWS IN
THE LOWER 50S. SOUTH WINDS AROUND 5 MPH.
SATURDAY
MOSTLY CLOUDY WITH SHOWERS LIKELY. HIGHS IN THE LOWER
60S. EAST WINDS 5 TO 10 MPH.
SATURDAY NIGHT
CLOUDY WITH SHOWERS LIKELY. LOWS IN THE LOWER
50S. EAST WINDS 10 TO 15 MPH.
SUNDAY
MOSTLY CLOUDY WITH SHOWERS LIKELY. HIGHS IN THE LOWER
60S. EAST WINDS 10 TO 15 MPH.
SUNDAY NIGHT AND MONDAY
MOSTLY CLOUDY WITH A CHANCE OF
SHOWERS. LOWS IN THE LOWER 50S. HIGHS IN THE LOWER 60S. EAST
WINDS 5 TO 10 MPH.
OUTLOOK 8 TO 14 DAYS
TEMPERATURES ABOVE NORMAL. PRECIPITATION BELOW NORMAL.
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