531
FNUS51 KBOX 202009
FWFBOX
FIRE WEATHER PLANNING FORECAST FOR SOUTHERN NEW ENGLAND
NATIONAL WEATHER SERVICE BOSTON/NORTON MA
409 PM EDT MON JUL 20 2026
DISCUSSION
SHOWERS AND SCATTERED DEVELOP MAINLY LATER TUESDAY AND ESPECIALLY
TUESDAY NIGHT. THESE STORMS MAY BRING AN ISOLATED SEVERE WEATHER
RISK IN THE FORM OF LOCALIZED DAMAGING WIND GUSTS. IN ADDITION...
LOCALIZED FLASH FLOODING IS POSSIBLE TOO ESPECIALLY IF ANY
THUNDERSTORMS TRACK OVER A VULNERABLE URBAN CENTER.
OUTLOOK...WEDNESDAY THROUGH SUNDAY
A FEW ADDITIONAL STRONG TO SEVERE THUNDERSTORMS ARE POSSIBLE
AGAIN WEDNESDAY AFTERNOON AND EVENING AND IT WILL ALSO BE QUITE
HUMID DAY TOO. MAINLY DRY AND PLEASANT WEATHER FOLLOWS THURSDAY
INTO THE UPCOMING WEEKEND WITH SEASONABLE TEMPERATURES AND
COMFORTABLE HUMIDITY LEVELS.
MAZ015-210800-
SUFFOLK MA-
INCLUDING THE CITY OF BOSTON
409 PM EDT MON JUL 20 2026
TONIGHT TUE TUE NIGHT WED
CLOUD COVER MCLEAR MCLDY MCLDY MCLDY
PRECIP TYPE NONE SHOWERS TSTMS TSTMS
CHANCE PRECIP (%) 30 100 70
CHANCE OF THUNDER (%) 0 0 40 30
TEMP (24H TREND) 62 (+4) 83 (+2) 68 85
RH % (24H TREND) 97 (+14) 49 (+17) 100 67
20FT WND AM(MPH) S 6 SW 8
20FT WND PM(MPH) S 7 S 10 G18 S 8 G18 SW 10 G19
PRECIP AMOUNT 0.00 0.10 1.11 0.06
PRECIP DURATION 1 10 5
PRECIP BEGIN 2 PM CONTINUING CONTINUING
PRECIP END CONTINUING CONTINUING CONTINUING
MIXING HGT (FT-AGL) 420 4630 460 4060
TRANSPORT WND (KTS) S 11 S 17 S 14 SW 17
VENT RATE (KT-FT) 4620 78710 6440 69020
MAX ADI EARLY 16 GEN POOR 54 GEN GOOD 15 GEN POOR 26 FAIR
MAX ADI LATE 10 POOR 56 GEN GOOD 15 GEN POOR 1 VERY POOR
MAX LVORI EARLY 5 3 6 5
MAX LVORI LATE 5 3 6 5
MIN VSBY EARLY 10 10 5 FOG 5 FOG
MIN VSBY LATE 10 10 3 FOG 9
SUNSHINE HOURS N/A N/A N/A N/A
CWR 0 40 90 20
REMARKS...NONE.
FORECAST FOR DAYS 3 THROUGH 7
WEDNESDAY NIGHT
MOSTLY CLOUDY WITH A CHANCE OF SHOWERS. LOWS
IN THE MID 60S. WEST WINDS 10 TO 15 MPH.
THURSDAY AND THURSDAY NIGHT
MOSTLY CLEAR. LOWS IN THE MID 60S.
HIGHS IN THE LOWER 80S. WEST WINDS 5 TO 10 MPH.
FRIDAY
SUNNY. HIGHS IN THE UPPER 70S. NORTH WINDS AROUND
5 MPH, BECOMING EAST AROUND 5 MPH IN THE AFTERNOON.
FRIDAY NIGHT
MOSTLY CLEAR. LOWS IN THE MID 60S. SOUTHEAST
WINDS AROUND 5 MPH, BECOMING SOUTHWEST AFTER MIDNIGHT.
SATURDAY AND SATURDAY NIGHT
MOSTLY CLEAR. LOWS IN THE MID 60S.
HIGHS AROUND 80. SOUTHWEST WINDS 5 TO 10 MPH.
SUNDAY AND SUNDAY NIGHT
PARTLY CLOUDY. LOWS IN THE UPPER 60S.
HIGHS IN THE LOWER 80S. SOUTHWEST WINDS 5 TO 10 MPH.
MONDAY
MOSTLY SUNNY WITH A CHANCE OF SHOWERS. HIGHS IN THE MID
80S. SOUTHWEST WINDS 5 TO 10 MPH.
MAZ016-210800-
EASTERN NORFOLK MA-
INCLUDING THE CITY OF QUINCY
409 PM EDT MON JUL 20 2026
TONIGHT TUE TUE NIGHT WED
CLOUD COVER MCLEAR MCLDY MCLDY MCLDY
PRECIP TYPE NONE SHOWERS TSTMS TSTMS
CHANCE PRECIP (%) 30 100 70
CHANCE OF THUNDER (%) 0 0 40 30
TEMP (24H TREND) 61 (+5) 83 (+2) 67 85
RH % (24H TREND) 100 (+14) 47 (+12) 100 67
20FT WND AM(MPH) S 6 SW 8 G17
20FT WND PM(MPH) S 6 S 10 G18 S 8 G19 SW 10 G20
PRECIP AMOUNT 0.00 0.10 1.28 0.09
PRECIP DURATION 1 10 6
PRECIP BEGIN 2 PM CONTINUING CONTINUING
PRECIP END CONTINUING CONTINUING CONTINUING
MIXING HGT (FT-AGL) 420 4480 460 4080
TRANSPORT WND (KTS) S 11 S 17 S 12 SW 19
VENT RATE (KT-FT) 4620 76160 5520 77520
MAX ADI EARLY 23 FAIR 66 GOOD 16 GEN POOR 33 FAIR
MAX ADI LATE 10 POOR 61 GOOD 15 GEN POOR 1 VERY POOR
MAX LVORI EARLY 6 3 7 6
MAX LVORI LATE 6 3 7 6
MIN VSBY EARLY 10 10 5 FOG 5 FOG
MIN VSBY LATE 10 10 3 FOG 7
SUNSHINE HOURS N/A N/A N/A N/A
CWR 0 40 90 40
REMARKS...NONE.
FORECAST FOR DAYS 3 THROUGH 7
WEDNESDAY NIGHT
MOSTLY CLOUDY WITH SHOWERS LIKELY. LOWS IN THE
MID 60S. SOUTHWEST WINDS 10 TO 15 MPH, BECOMING WEST AROUND 5 MPH
AFTER MIDNIGHT.
THURSDAY AND THURSDAY NIGHT
MOSTLY CLEAR. LOWS IN THE LOWER
60S. HIGHS IN THE LOWER 80S. WEST WINDS AROUND 5 MPH.
FRIDAY
SUNNY. HIGHS IN THE UPPER 70S. NORTH WINDS AROUND
5 MPH, BECOMING EAST AROUND 5 MPH IN THE AFTERNOON.
FRIDAY NIGHT
MOSTLY CLEAR. LOWS IN THE LOWER 60S. SOUTHEAST
WINDS AROUND 5 MPH, BECOMING SOUTHWEST AFTER MIDNIGHT.
SATURDAY AND SATURDAY NIGHT
MOSTLY CLEAR. LOWS IN THE LOWER
60S. HIGHS IN THE LOWER 80S. SOUTHWEST WINDS AROUND 5 MPH.
SUNDAY AND SUNDAY NIGHT
PARTLY CLOUDY. LOWS IN THE MID 60S.
HIGHS IN THE LOWER 80S. SOUTHWEST WINDS 5 TO 10 MPH.
MONDAY
MOSTLY SUNNY WITH A CHANCE OF SHOWERS. HIGHS IN THE MID
80S. SOUTHWEST WINDS 5 TO 10 MPH.
MAZ013-210800-
WESTERN NORFOLK MA-
INCLUDING THE CITIES OF FOXBOROUGH AND NORWOOD
409 PM EDT MON JUL 20 2026
TONIGHT TUE TUE NIGHT WED
CLOUD COVER PCLDY MCLDY MCLDY MCLDY
PRECIP TYPE NONE SHOWERS TSTMS TSTMS
CHANCE PRECIP (%) 30 100 70
CHANCE OF THUNDER (%) 0 0 40 30
TEMP (24H TREND) 59 (+7) 80 (-2) 65 83
RH % (24H TREND) 100 (+4) 51 (+15) 100 72
20FT WND AM(MPH) S 5 SW 6 G17
20FT WND PM(MPH) S 5 S 8 G18 S 7 G17 SW 8 G19
PRECIP AMOUNT 0.00 0.12 1.32 0.12
PRECIP DURATION 1 10 6
PRECIP BEGIN 2 PM CONTINUING CONTINUING
PRECIP END CONTINUING CONTINUING CONTINUING
MIXING HGT (FT-AGL) 420 4440 440 3860
TRANSPORT WND (KTS) S 9 S 18 SW 12 SW 20
VENT RATE (KT-FT) 3780 79920 5280 77200
MAX ADI EARLY 58 GEN GOOD 89 GOOD 43 GEN GOOD 38 FAIR
MAX ADI LATE 9 POOR 94 GOOD 15 GEN POOR 51 GEN GOOD
MAX LVORI EARLY 9 3 8 5
MAX LVORI LATE 9 3 8 5
MIN VSBY EARLY 10 10 5 FOG 5 FOG
MIN VSBY LATE 10 10 3 FOG 6 FOG
SUNSHINE HOURS N/A N/A N/A N/A
CWR 0 40 90 50
REMARKS...NONE.
FORECAST FOR DAYS 3 THROUGH 7
WEDNESDAY NIGHT
MOSTLY CLOUDY WITH SHOWERS LIKELY. LOWS IN THE
LOWER 60S. WEST WINDS 5 TO 10 MPH.
THURSDAY AND THURSDAY NIGHT
MOSTLY CLEAR. LOWS AROUND 60.
HIGHS AROUND 80. WEST WINDS AROUND 5 MPH.
FRIDAY
SUNNY. HIGHS AROUND 80. NORTH WINDS AROUND 5 MPH,
BECOMING EAST IN THE AFTERNOON.
FRIDAY NIGHT
MOSTLY CLEAR. LOWS AROUND 60. SOUTHEAST WINDS
AROUND 5 MPH, BECOMING WEST AFTER MIDNIGHT.
SATURDAY AND SATURDAY NIGHT
MOSTLY CLEAR. LOWS IN THE LOWER
60S. HIGHS IN THE LOWER 80S. WEST WINDS AROUND 5 MPH.
SUNDAY AND SUNDAY NIGHT
PARTLY CLOUDY. LOWS IN THE MID 60S.
HIGHS IN THE MID 80S. SOUTHWEST WINDS AROUND 5 MPH.
MONDAY
MOSTLY SUNNY WITH A CHANCE OF SHOWERS. HIGHS IN THE MID
80S. SOUTHWEST WINDS 5 TO 10 MPH.
MAZ014-210800-
SOUTHEAST MIDDLESEX MA-
INCLUDING THE CITY OF CAMBRIDGE
409 PM EDT MON JUL 20 2026
TONIGHT TUE TUE NIGHT WED
CLOUD COVER PCLDY MCLDY MCLDY MCLDY
PRECIP TYPE NONE SHOWERS TSTMS TSTMS
CHANCE PRECIP (%) 30 100 70
CHANCE OF THUNDER (%) 0 0 40 30
TEMP (24H TREND) 62 (+7) 83 (0) 67 85
RH % (24H TREND) 93 (+3) 47 (+13) 100 67
20FT WND AM(MPH) S 5 SW 7
20FT WND PM(MPH) S 5 S 9 G18 S 7 G17 SW 9 G17
PRECIP AMOUNT 0.00 0.08 1.38 0.06
PRECIP DURATION 1 10 5
PRECIP BEGIN 2 PM CONTINUING CONTINUING
PRECIP END CONTINUING CONTINUING CONTINUING
MIXING HGT (FT-AGL) 420 4920 440 4000
TRANSPORT WND (KTS) S 9 S 19 S 10 SW 19
VENT RATE (KT-FT) 3780 93480 4400 76000
MAX ADI EARLY 48 GEN GOOD 93 GOOD 43 GEN GOOD 45 GEN GOOD
MAX ADI LATE 9 POOR 67 GOOD 15 GEN POOR 53 GEN GOOD
MAX LVORI EARLY 4 3 7 4
MAX LVORI LATE 4 3 7 4
MIN VSBY EARLY 10 10 5 FOG 3 FOG
MIN VSBY LATE 10 10 3 FOG 9
SUNSHINE HOURS N/A N/A N/A N/A
CWR 0 30 90 30
REMARKS...NONE.
FORECAST FOR DAYS 3 THROUGH 7
WEDNESDAY NIGHT
PARTLY CLOUDY WITH A CHANCE OF SHOWERS. LOWS
IN THE LOWER 60S. WEST WINDS 5 TO 10 MPH.
THURSDAY AND THURSDAY NIGHT
MOSTLY CLEAR. LOWS IN THE LOWER
60S. HIGHS IN THE LOWER 80S. WEST WINDS AROUND 5 MPH.
FRIDAY
SUNNY. HIGHS AROUND 80. NORTH WINDS AROUND 5 MPH,
BECOMING EAST AROUND 5 MPH IN THE AFTERNOON.
FRIDAY NIGHT
MOSTLY CLEAR. LOWS IN THE LOWER 60S. SOUTHEAST
WINDS AROUND 5 MPH, BECOMING SOUTHWEST AFTER MIDNIGHT.
SATURDAY AND SATURDAY NIGHT
MOSTLY CLEAR. LOWS IN THE MID 60S.
HIGHS IN THE LOWER 80S. SOUTHWEST WINDS AROUND 5 MPH.
SUNDAY AND SUNDAY NIGHT
PARTLY CLOUDY. LOWS IN THE MID 60S.
HIGHS IN THE MID 80S. SOUTHWEST WINDS AROUND 5 MPH.
MONDAY
PARTLY SUNNY WITH A CHANCE OF SHOWERS. HIGHS IN THE
UPPER 80S. SOUTHWEST WINDS 5 TO 10 MPH.
MAZ007-210800-
EASTERN ESSEX MA-
INCLUDING THE CITY OF GLOUCESTER
409 PM EDT MON JUL 20 2026
TONIGHT TUE TUE NIGHT WED
CLOUD COVER PCLDY MCLDY MCLDY MCLDY
PRECIP TYPE NONE NONE TSTMS TSTMS
CHANCE PRECIP (%) 10 90 70
CHANCE OF THUNDER (%) 0 0 40 30
TEMP (24H TREND) 61 (+6) 81 (+4) 66 85
RH % (24H TREND) 90 (0) 47 (+10) 100 65
20FT WND AM(MPH) S 6 SW 7
20FT WND PM(MPH) S 7 SE 11 G22 SE 9 G22 SW 9 G19
PRECIP AMOUNT 0.00 0.00 0.99 0.07
PRECIP DURATION 10 5
PRECIP BEGIN 6 PM CONTINUING
PRECIP END CONTINUING CONTINUING
MIXING HGT (FT-AGL) 420 3440 430 3310
TRANSPORT WND (KTS) S 13 S 17 SE 16 SW 15
VENT RATE (KT-FT) 5460 58480 6880 49650
MAX ADI EARLY 16 GEN POOR 28 FAIR 15 GEN POOR 28 FAIR
MAX ADI LATE 11 POOR 31 FAIR 16 GEN POOR 34 FAIR
MAX LVORI EARLY 4 3 6 4
MAX LVORI LATE 4 3 6 4
MIN VSBY EARLY 10 10 3 FOG 4 FOG
MIN VSBY LATE 10 10 3 FOG 6 FOG
SUNSHINE HOURS N/A N/A N/A N/A
CWR 0 0 90 30
REMARKS...NONE.
FORECAST FOR DAYS 3 THROUGH 7
WEDNESDAY NIGHT
MOSTLY CLOUDY WITH A CHANCE OF SHOWERS. LOWS
IN THE MID 60S. WEST WINDS 10 TO 15 MPH.
THURSDAY AND THURSDAY NIGHT
MOSTLY CLEAR. LOWS IN THE LOWER
60S. HIGHS AROUND 80. WEST WINDS AROUND 5 MPH.
FRIDAY
SUNNY. HIGHS IN THE UPPER 70S. NORTH WINDS AROUND
5 MPH, BECOMING SOUTHEAST IN THE AFTERNOON.
FRIDAY NIGHT
MOSTLY CLEAR. LOWS IN THE LOWER 60S. SOUTH WINDS
AROUND 5 MPH, BECOMING SOUTHWEST AFTER MIDNIGHT.
SATURDAY AND SATURDAY NIGHT
MOSTLY CLEAR. LOWS IN THE MID 60S.
HIGHS IN THE UPPER 70S. SOUTHWEST WINDS 5 TO 10 MPH.
SUNDAY AND SUNDAY NIGHT
PARTLY CLOUDY. LOWS IN THE MID 60S.
HIGHS IN THE LOWER 80S. SOUTHWEST WINDS 5 TO 10 MPH.
MONDAY
MOSTLY SUNNY WITH A CHANCE OF SHOWERS. HIGHS IN THE MID
80S. SOUTH WINDS 5 TO 10 MPH.
MAZ006-210800-
WESTERN ESSEX MA-
INCLUDING THE CITY OF LAWRENCE
409 PM EDT MON JUL 20 2026
TONIGHT TUE TUE NIGHT WED
CLOUD COVER PCLDY MCLDY MCLDY MCLDY
PRECIP TYPE NONE SHOWERS TSTMS TSTMS
CHANCE PRECIP (%) 20 100 70
CHANCE OF THUNDER (%) 0 0 40 30
TEMP (24H TREND) 60 (+7) 82 (0) 64 84
RH % (24H TREND) 87 (-9) 49 (+15) 100 67
20FT WND AM(MPH) LGT/VAR SW 6
20FT WND PM(MPH) LGT/VAR S 8 G18 SE 6 G17 SW 7
PRECIP AMOUNT 0.00 0.03 0.96 0.09
PRECIP DURATION 0 10 5
PRECIP BEGIN 2 PM CONTINUING CONTINUING
PRECIP END CONTINUING CONTINUING CONTINUING
MIXING HGT (FT-AGL) 420 5280 440 3920
TRANSPORT WND (KTS) SW 10 S 18 S 11 SW 17
VENT RATE (KT-FT) 4200 95040 4840 66640
MAX ADI EARLY 45 GEN GOOD 83 GOOD 45 GEN GOOD 45 GEN GOOD
MAX ADI LATE 10 POOR 101 VERY GOOD14 GEN POOR 88 GOOD
MAX LVORI EARLY 4 1 8 4
MAX LVORI LATE 4 1 8 4
MIN VSBY EARLY 10 10 4 FOG 5 FOG
MIN VSBY LATE 10 10 3 FOG 6 FOG
SUNSHINE HOURS N/A N/A N/A N/A
CWR 0 30 90 50
REMARKS...NONE.
FORECAST FOR DAYS 3 THROUGH 7
WEDNESDAY NIGHT
PARTLY CLOUDY WITH A CHANCE OF SHOWERS. LOWS
IN THE LOWER 60S. WEST WINDS 5 TO 10 MPH.
THURSDAY AND THURSDAY NIGHT
MOSTLY CLEAR. LOWS AROUND 60.
HIGHS IN THE LOWER 80S. NORTHWEST WINDS AROUND 5 MPH.
FRIDAY
SUNNY. HIGHS AROUND 80. NORTH WINDS AROUND 5 MPH,
BECOMING SOUTHEAST IN THE AFTERNOON.
FRIDAY NIGHT
MOSTLY CLEAR. LOWS IN THE LOWER 60S. SOUTHEAST
WINDS AROUND 5 MPH, BECOMING SOUTHWEST AFTER MIDNIGHT.
SATURDAY AND SATURDAY NIGHT
MOSTLY CLEAR. LOWS IN THE LOWER
60S. HIGHS IN THE LOWER 80S. WEST WINDS AROUND 5 MPH.
SUNDAY AND SUNDAY NIGHT
PARTLY CLOUDY. LOWS IN THE MID 60S.
HIGHS IN THE MID 80S. SOUTHWEST WINDS AROUND 5 MPH.
MONDAY
PARTLY SUNNY WITH A CHANCE OF SHOWERS. HIGHS IN THE
UPPER 80S. SOUTHWEST WINDS AROUND 5 MPH.
MAZ005-210800-
CENTRAL MIDDLESEX MA-
INCLUDING THE CITIES OF FRAMINGHAM AND LOWELL
409 PM EDT MON JUL 20 2026
TONIGHT TUE TUE NIGHT WED
CLOUD COVER PCLDY MCLDY MCLDY MCLDY
PRECIP TYPE NONE SHOWERS TSTMS TSTMS
CHANCE PRECIP (%) 30 100 70
CHANCE OF THUNDER (%) 0 0 40 30
TEMP (24H TREND) 59 (+7) 82 (0) 65 84
RH % (24H TREND) 100 (0) 47 (+13) 100 67
20FT WND AM(MPH) LGT/VAR SW 6
20FT WND PM(MPH) LGT/VAR S 8 G18 S 6 G17 SW 7 G17
PRECIP AMOUNT 0.00 0.07 0.83 0.09
PRECIP DURATION 1 10 5
PRECIP BEGIN 2 PM CONTINUING CONTINUING
PRECIP END CONTINUING CONTINUING CONTINUING
MIXING HGT (FT-AGL) 420 4940 440 3850
TRANSPORT WND (KTS) SW 9 S 19 S 10 SW 17
VENT RATE (KT-FT) 3780 93860 4400 65450
MAX ADI EARLY 63 GOOD 74 GOOD 46 GEN GOOD 45 GEN GOOD
MAX ADI LATE 9 POOR 66 GOOD 13 GEN POOR 52 GEN GOOD
MAX LVORI EARLY 6 2 9 4
MAX LVORI LATE 6 2 9 4
MIN VSBY EARLY 10 10 3 FOG 3 FOG
MIN VSBY LATE 10 10 3 FOG 6 FOG
SUNSHINE HOURS N/A N/A N/A N/A
CWR 0 30 90 50
REMARKS...NONE.
FORECAST FOR DAYS 3 THROUGH 7
WEDNESDAY NIGHT
PARTLY CLOUDY WITH A CHANCE OF SHOWERS. LOWS
AROUND 60. WEST WINDS 5 TO 10 MPH.
THURSDAY AND THURSDAY NIGHT
MOSTLY CLEAR. LOWS IN THE UPPER
50S. HIGHS IN THE LOWER 80S. NORTHWEST WINDS 5 TO 10 MPH.
FRIDAY
SUNNY. HIGHS IN THE LOWER 80S. NORTH WINDS AROUND
5 MPH, BECOMING SOUTHEAST IN THE AFTERNOON.
FRIDAY NIGHT
MOSTLY CLEAR. LOWS AROUND 60. SOUTHEAST WINDS
AROUND 5 MPH, BECOMING SOUTHWEST AFTER MIDNIGHT.
SATURDAY AND SATURDAY NIGHT
MOSTLY CLEAR. LOWS IN THE LOWER
60S. HIGHS IN THE LOWER 80S. WEST WINDS AROUND 5 MPH.
SUNDAY AND SUNDAY NIGHT
PARTLY CLOUDY. LOWS IN THE MID 60S.
HIGHS IN THE MID 80S. SOUTHWEST WINDS AROUND 5 MPH.
MONDAY
PARTLY SUNNY WITH A CHANCE OF SHOWERS. HIGHS IN THE
UPPER 80S. SOUTHWEST WINDS AROUND 5 MPH.
MAZ012-210800-
SOUTHERN WORCESTER MA-
INCLUDING THE CITIES OF MILFORD AND WORCESTER
409 PM EDT MON JUL 20 2026
TONIGHT TUE TUE NIGHT WED
CLOUD COVER PCLDY MCLDY MCLDY MCLDY
PRECIP TYPE NONE TSTMS TSTMS TSTMS
CHANCE PRECIP (%) 40 100 70
CHANCE OF THUNDER (%) 0 40 40 30
TEMP (24H TREND) 58 (+7) 80 (0) 64 82
RH % (24H TREND) 100 (0) 56 (+18) 100 79
20FT WND AM(MPH) S 5 SW 6
20FT WND PM(MPH) LGT/VAR S 9 G20 S 6 G18 SW 8 G18
PRECIP AMOUNT 0.00 0.17 0.71 0.16
PRECIP DURATION 1 10 6
PRECIP BEGIN 2 PM CONTINUING CONTINUING
PRECIP END CONTINUING CONTINUING CONTINUING
MIXING HGT (FT-AGL) 420 4380 440 3320
TRANSPORT WND (KTS) SW 9 S 18 SW 11 SW 17
VENT RATE (KT-FT) 3780 78840 4840 56440
MAX ADI EARLY 62 GOOD 67 GOOD 40 FAIR 34 FAIR
MAX ADI LATE 9 POOR 54 GEN GOOD 11 POOR 40 FAIR
MAX LVORI EARLY 9 4 8 7
MAX LVORI LATE 9 4 8 7
MIN VSBY EARLY 10 10 3 FOG 6 FOG
MIN VSBY LATE 10 8 3 FOG 5 FOG
SUNSHINE HOURS N/A N/A N/A N/A
CWR 0 50 90 60
REMARKS...NONE.
FORECAST FOR DAYS 3 THROUGH 7
WEDNESDAY NIGHT
PARTLY CLOUDY WITH SHOWERS LIKELY. LOWS IN THE
UPPER 50S. WEST WINDS 5 TO 10 MPH.
THURSDAY AND THURSDAY NIGHT
MOSTLY CLEAR. LOWS IN THE UPPER
50S. HIGHS IN THE UPPER 70S. NORTHWEST WINDS 5 TO 10 MPH.
FRIDAY
SUNNY. HIGHS AROUND 80. NORTH WINDS AROUND 5 MPH,
BECOMING SOUTHEAST IN THE AFTERNOON.
FRIDAY NIGHT
MOSTLY CLEAR. LOWS IN THE UPPER 50S. SOUTH WINDS
AROUND 5 MPH, BECOMING WEST AFTER MIDNIGHT.
SATURDAY AND SATURDAY NIGHT
MOSTLY CLEAR. LOWS AROUND 60.
HIGHS IN THE LOWER 80S. WEST WINDS AROUND 5 MPH.
SUNDAY AND SUNDAY NIGHT
PARTLY CLOUDY. LOWS IN THE LOWER 60S.
HIGHS IN THE MID 80S. SOUTHWEST WINDS AROUND 5 MPH.
MONDAY
MOSTLY SUNNY WITH A CHANCE OF SHOWERS. HIGHS IN THE MID
80S. SOUTHWEST WINDS 5 TO 10 MPH.
MAZ004-210800-
NORTHERN WORCESTER MA-
INCLUDING THE CITIES OF BARRE AND FITCHBURG
409 PM EDT MON JUL 20 2026
TONIGHT TUE TUE NIGHT WED
CLOUD COVER PCLDY MCLDY MCLDY MCLDY
PRECIP TYPE NONE TSTMS TSTMS TSTMS
CHANCE PRECIP (%) 50 100 70
CHANCE OF THUNDER (%) 0 20 40 30
TEMP (24H TREND) 57 (+7) 80 (+1) 62 81
RH % (24H TREND) 100 (0) 52 (+17) 100 76
20FT WND AM(MPH) S 5 G17 SW 6
20FT WND PM(MPH) LGT/VAR S 9 G20 S 6 G19 SW 8 G18
PRECIP AMOUNT 0.00 0.09 0.52 0.16
PRECIP DURATION 1 11 5
PRECIP BEGIN 2 PM CONTINUING CONTINUING
PRECIP END CONTINUING CONTINUING CONTINUING
MIXING HGT (FT-AGL) 430 4550 450 3420
TRANSPORT WND (KTS) SW 9 S 18 SW 10 SW 15
VENT RATE (KT-FT) 3870 81900 4500 51300
MAX ADI EARLY 60 GEN GOOD 62 GOOD 20 GEN POOR 37 FAIR
MAX ADI LATE 9 POOR 10 POOR 11 POOR 41 GEN GOOD
MAX LVORI EARLY 6 4 9 6
MAX LVORI LATE 6 4 9 6
MIN VSBY EARLY 10 10 3 FOG 6 FOG
MIN VSBY LATE 10 9 2 FOG 6 FOG
SUNSHINE HOURS N/A N/A N/A N/A
CWR 0 40 90 60
REMARKS...NONE.
FORECAST FOR DAYS 3 THROUGH 7
WEDNESDAY NIGHT
PARTLY CLOUDY WITH A CHANCE OF SHOWERS. LOWS
IN THE MID 50S. WEST WINDS 5 TO 10 MPH.
THURSDAY AND THURSDAY NIGHT
MOSTLY CLEAR. LOWS IN THE MID 50S.
HIGHS IN THE UPPER 70S. NORTHWEST WINDS 5 TO 10 MPH.
FRIDAY
SUNNY. HIGHS IN THE UPPER 70S. NORTH WINDS AROUND
5 MPH, BECOMING SOUTH IN THE AFTERNOON.
FRIDAY NIGHT
MOSTLY CLEAR. LOWS IN THE UPPER 50S. SOUTH WINDS
AROUND 5 MPH, BECOMING WEST AFTER MIDNIGHT.
SATURDAY AND SATURDAY NIGHT
MOSTLY CLEAR. LOWS IN THE UPPER
50S. HIGHS IN THE LOWER 80S. SOUTHWEST WINDS AROUND 5 MPH.
SUNDAY AND SUNDAY NIGHT
PARTLY CLOUDY. LOWS IN THE LOWER 60S.
HIGHS IN THE MID 80S. SOUTHWEST WINDS AROUND 5 MPH.
MONDAY
PARTLY SUNNY WITH A CHANCE OF SHOWERS. HIGHS IN THE
LOWER 80S. SOUTHWEST WINDS 5 TO 10 MPH.
MAZ026-210800-
NORTHERN MIDDLESEX MA-
INCLUDING THE CITY OF AYER
409 PM EDT MON JUL 20 2026
TONIGHT TUE TUE NIGHT WED
CLOUD COVER PCLDY MCLDY MCLDY MCLDY
PRECIP TYPE NONE SHOWERS TSTMS TSTMS
CHANCE PRECIP (%) 40 100 70
CHANCE OF THUNDER (%) 0 0 40 30
TEMP (24H TREND) 58 (+7) 82 (+1) 63 84
RH % (24H TREND) 93 (-7) 54 (+18) 100 72
20FT WND AM(MPH) LGT/VAR SW 5
20FT WND PM(MPH) LGT/VAR S 8 G18 SE 5 G17 SW 7 G17
PRECIP AMOUNT 0.00 0.07 0.53 0.09
PRECIP DURATION 1 10 4
PRECIP BEGIN 2 PM CONTINUING CONTINUING
PRECIP END CONTINUING CONTINUING CONTINUING
MIXING HGT (FT-AGL) 420 4890 440 3830
TRANSPORT WND (KTS) SW 9 S 18 SW 10 SW 16
VENT RATE (KT-FT) 3780 88020 4400 61280
MAX ADI EARLY 71 GOOD 81 GOOD 42 GEN GOOD 41 GEN GOOD
MAX ADI LATE 9 POOR 66 GOOD 12 POOR 51 GEN GOOD
MAX LVORI EARLY 5 1 9 4
MAX LVORI LATE 5 1 9 4
MIN VSBY EARLY 10 10 3 FOG 5 FOG
MIN VSBY LATE 10 10 3 FOG 6 FOG
SUNSHINE HOURS N/A N/A N/A N/A
CWR 0 30 90 40
REMARKS...NONE.
FORECAST FOR DAYS 3 THROUGH 7
WEDNESDAY NIGHT
PARTLY CLOUDY WITH A CHANCE OF SHOWERS. LOWS
IN THE UPPER 50S. WEST WINDS AROUND 5 MPH.
THURSDAY AND THURSDAY NIGHT
MOSTLY CLEAR. LOWS IN THE UPPER
50S. HIGHS IN THE UPPER 70S. NORTHWEST WINDS AROUND 5 MPH.
FRIDAY
SUNNY. HIGHS IN THE LOWER 80S. NORTHEAST WINDS AROUND
5 MPH, BECOMING SOUTHEAST IN THE AFTERNOON.
FRIDAY NIGHT
MOSTLY CLEAR. LOWS IN THE UPPER 50S. SOUTH WINDS
AROUND 5 MPH, BECOMING WEST AFTER MIDNIGHT.
SATURDAY THROUGH SUNDAY
MOSTLY CLEAR. LOWS AROUND 60. HIGHS IN
THE MID 80S. SOUTH WINDS AROUND 5 MPH.
SUNDAY NIGHT
PARTLY CLOUDY. LOWS IN THE MID 60S. SOUTHWEST
WINDS AROUND 5 MPH.
MONDAY
PARTLY SUNNY WITH A CHANCE OF SHOWERS. HIGHS IN THE MID
80S. SOUTHWEST WINDS AROUND 5 MPH.
MAZ002-210800-
WESTERN FRANKLIN MA-
INCLUDING THE CITY OF CHARLEMONT
409 PM EDT MON JUL 20 2026
TONIGHT TUE TUE NIGHT WED
CLOUD COVER PCLDY MCLDY MCLDY MCLDY
PRECIP TYPE NONE TSTMS TSTMS TSTMS
CHANCE PRECIP (%) 70 100 50
CHANCE OF THUNDER (%) 0 30 30 30
TEMP (24H TREND) 55 (+7) 78 (+1) 60 80
RH % (24H TREND) 93 (-7) 60 (+22) 100 69
20FT WND AM(MPH) S 5 G17 LGT/VAR
20FT WND PM(MPH) LGT/VAR S 7 G19 LGT/VAR W 5
PRECIP AMOUNT 0.00 0.22 0.38 0.10
PRECIP DURATION 1 10 2
PRECIP BEGIN 1 PM CONTINUING CONTINUING
PRECIP END CONTINUING CONTINUING CONTINUING
MIXING HGT (FT-AGL) 420 3870 450 3820
TRANSPORT WND (KTS) S 8 S 19 SW 9 SW 15
VENT RATE (KT-FT) 3360 73530 4050 57300
MAX ADI EARLY 59 GEN GOOD 49 GEN GOOD 36 FAIR 43 GEN GOOD
MAX ADI LATE 5 VERY POOR 58 GEN GOOD 6 VERY POOR 45 GEN GOOD
MAX LVORI EARLY 5 3 9 4
MAX LVORI LATE 5 3 9 4
MIN VSBY EARLY 10 10 2 FOG 7
MIN VSBY LATE 10 10 1 FOG 9
SUNSHINE HOURS N/A N/A N/A N/A
CWR 0 40 80 30
REMARKS...NONE.
FORECAST FOR DAYS 3 THROUGH 7
WEDNESDAY NIGHT
PARTLY CLOUDY WITH A CHANCE OF SHOWERS. LOWS
IN THE LOWER 50S. WEST WINDS 5 TO 10 MPH.
THURSDAY
SUNNY. HIGHS IN THE LOWER 70S. NORTHWEST WINDS 5 TO
10 MPH.
THURSDAY NIGHT
CLEAR. LOWS IN THE LOWER 50S. NORTHWEST WINDS
AROUND 5 MPH.
FRIDAY
SUNNY. HIGHS IN THE UPPER 70S. NORTH WINDS AROUND
5 MPH, BECOMING SOUTH IN THE AFTERNOON.
FRIDAY NIGHT
MOSTLY CLEAR. LOWS IN THE MID 50S. SOUTHWEST
WINDS AROUND 5 MPH.
SATURDAY AND SATURDAY NIGHT
MOSTLY CLEAR. LOWS IN THE UPPER
50S. HIGHS IN THE LOWER 80S. SOUTHWEST WINDS AROUND 5 MPH.
SUNDAY
MOSTLY SUNNY. HIGHS IN THE LOWER 80S. SOUTHWEST WINDS
AROUND 5 MPH.
SUNDAY NIGHT
MOSTLY CLOUDY WITH A CHANCE OF SHOWERS. LOWS IN
THE LOWER 60S. SOUTHWEST WINDS AROUND 5 MPH.
MONDAY
PARTLY SUNNY WITH A CHANCE OF SHOWERS. HIGHS AROUND 80.
SOUTHWEST WINDS AROUND 5 MPH.
MAZ003-210800-
EASTERN FRANKLIN MA-
INCLUDING THE CITIES OF GREENFIELD AND ORANGE
409 PM EDT MON JUL 20 2026
TONIGHT TUE TUE NIGHT WED
CLOUD COVER PCLDY MCLDY MCLDY MCLDY
PRECIP TYPE NONE TSTMS TSTMS TSTMS
CHANCE PRECIP (%) 60 100 60
CHANCE OF THUNDER (%) 0 30 30 30
TEMP (24H TREND) 57 (+8) 81 (+1) 63 83
RH % (24H TREND) 100 (0) 56 (+20) 100 67
20FT WND AM(MPH) S 5 G17 SW 5
20FT WND PM(MPH) LGT/VAR S 9 G21 S 6 G19 SW 7
PRECIP AMOUNT 0.00 0.16 0.44 0.15
PRECIP DURATION 1 10 6
PRECIP BEGIN 1 PM CONTINUING CONTINUING
PRECIP END CONTINUING CONTINUING CONTINUING
MIXING HGT (FT-AGL) 420 4270 450 4040
TRANSPORT WND (KTS) S 7 S 18 S 8 SW 14
VENT RATE (KT-FT) 2940 76860 3600 56560
MAX ADI EARLY 60 GEN GOOD 51 GEN GOOD 18 GEN POOR 48 GEN GOOD
MAX ADI LATE 5 VERY POOR 3 VERY POOR 8 POOR 45 GEN GOOD
MAX LVORI EARLY 7 4 9 4
MAX LVORI LATE 7 4 9 4
MIN VSBY EARLY 10 10 3 FOG 8
MIN VSBY LATE 10 10 2 FOG 6 FOG
SUNSHINE HOURS N/A N/A N/A N/A
CWR 0 40 90 50
REMARKS...NONE.
FORECAST FOR DAYS 3 THROUGH 7
WEDNESDAY NIGHT
PARTLY CLOUDY WITH A CHANCE OF SHOWERS. LOWS
IN THE MID 50S. WEST WINDS 5 TO 10 MPH.
THURSDAY AND THURSDAY NIGHT
MOSTLY CLEAR. LOWS IN THE MID 50S.
HIGHS IN THE UPPER 70S. NORTH WINDS 5 TO 10 MPH.
FRIDAY AND FRIDAY NIGHT
MOSTLY CLEAR. LOWS IN THE MID 50S.
HIGHS IN THE LOWER 80S. SOUTHWEST WINDS AROUND 5 MPH.
SATURDAY AND SATURDAY NIGHT
MOSTLY CLEAR. LOWS IN THE UPPER
50S. HIGHS IN THE MID 80S. SOUTH WINDS AROUND 5 MPH.
SUNDAY AND SUNDAY NIGHT
PARTLY CLOUDY. LOWS IN THE LOWER 60S.
HIGHS IN THE MID 80S. SOUTH WINDS AROUND 5 MPH.
MONDAY
PARTLY SUNNY WITH A CHANCE OF SHOWERS. HIGHS IN THE MID
80S. SOUTHWEST WINDS 5 TO 10 MPH.
MAZ008-210800-
WESTERN HAMPSHIRE MA-
INCLUDING THE CITY OF CHESTERFIELD
409 PM EDT MON JUL 20 2026
TONIGHT TUE TUE NIGHT WED
CLOUD COVER PCLDY MCLDY MCLDY MCLDY
PRECIP TYPE NONE TSTMS TSTMS TSTMS
CHANCE PRECIP (%) 80 90 60
CHANCE OF THUNDER (%) 0 40 40 30
TEMP (24H TREND) 56 (+7) 77 (0) 61 79
RH % (24H TREND) 93 (-7) 62 (+24) 100 74
20FT WND AM(MPH) S 5 G17 LGT/VAR
20FT WND PM(MPH) LGT/VAR SE 9 G21 S 5 G18 W 7
PRECIP AMOUNT 0.00 0.28 0.48 0.09
PRECIP DURATION 3 9 5
PRECIP BEGIN 1 PM CONTINUING CONTINUING
PRECIP END CONTINUING CONTINUING CONTINUING
MIXING HGT (FT-AGL) 430 3930 460 3570
TRANSPORT WND (KTS) S 8 S 19 SW 11 SW 14
VENT RATE (KT-FT) 3440 74670 5060 49980
MAX ADI EARLY 60 GEN GOOD 47 GEN GOOD 32 FAIR 56 GEN GOOD
MAX ADI LATE 5 VERY POOR 6 VERY POOR 7 POOR 66 GOOD
MAX LVORI EARLY 6 4 9 4
MAX LVORI LATE 6 4 9 4
MIN VSBY EARLY 10 10 1 FOG 8
MIN VSBY LATE 10 9 3 FOG 9
SUNSHINE HOURS N/A N/A N/A N/A
CWR 0 50 90 30
REMARKS...NONE.
FORECAST FOR DAYS 3 THROUGH 7
WEDNESDAY NIGHT
PARTLY CLOUDY WITH A CHANCE OF SHOWERS. LOWS
IN THE MID 50S. NORTHWEST WINDS 5 TO 10 MPH.
THURSDAY
SUNNY. HIGHS IN THE LOWER 70S. NORTHWEST WINDS 5 TO
10 MPH.
THURSDAY NIGHT
CLEAR. LOWS IN THE MID 50S. NORTHWEST WINDS
AROUND 5 MPH.
FRIDAY
SUNNY. HIGHS IN THE UPPER 70S. NORTH WINDS AROUND
5 MPH, BECOMING SOUTH IN THE AFTERNOON.
FRIDAY NIGHT
MOSTLY CLEAR. LOWS IN THE MID 50S. SOUTHWEST
WINDS AROUND 5 MPH, BECOMING WEST AFTER MIDNIGHT.
SATURDAY AND SATURDAY NIGHT
MOSTLY CLEAR. LOWS IN THE UPPER
50S. HIGHS IN THE LOWER 80S. SOUTHWEST WINDS AROUND 5 MPH.
SUNDAY AND SUNDAY NIGHT
PARTLY CLOUDY. LOWS AROUND 60. HIGHS
IN THE LOWER 80S. SOUTHWEST WINDS AROUND 5 MPH.
MONDAY
PARTLY SUNNY WITH A CHANCE OF SHOWERS. HIGHS AROUND 80.
SOUTHWEST WINDS AROUND 5 MPH.
MAZ010-210800-
EASTERN HAMPSHIRE MA-
INCLUDING THE CITIES OF AMHERST AND NORTHAMPTON
409 PM EDT MON JUL 20 2026
TONIGHT TUE TUE NIGHT WED
CLOUD COVER PCLDY MCLDY MCLDY MCLDY
PRECIP TYPE NONE TSTMS TSTMS TSTMS
CHANCE PRECIP (%) 70 100 70
CHANCE OF THUNDER (%) 0 40 40 40
TEMP (24H TREND) 58 (+8) 82 (+2) 64 84
RH % (24H TREND) 100 (0) 56 (+21) 100 69
20FT WND AM(MPH) S 6 G18 SW 6
20FT WND PM(MPH) LGT/VAR S 11 G21 S 7 G19 SW 8 G17
PRECIP AMOUNT 0.00 0.15 0.49 0.13
PRECIP DURATION 2 10 5
PRECIP BEGIN 1 PM CONTINUING CONTINUING
PRECIP END CONTINUING CONTINUING CONTINUING
MIXING HGT (FT-AGL) 420 4530 440 3570
TRANSPORT WND (KTS) S 6 S 18 S 9 SW 14
VENT RATE (KT-FT) 2520 81540 3960 49980
MAX ADI EARLY 59 GEN GOOD 43 GEN GOOD 12 POOR 31 FAIR
MAX ADI LATE 5 VERY POOR 1 VERY POOR 10 POOR 42 GEN GOOD
MAX LVORI EARLY 9 4 9 5
MAX LVORI LATE 9 4 9 5
MIN VSBY EARLY 10 10 3 FOG 8
MIN VSBY LATE 10 7 3 FOG 6 FOG
SUNSHINE HOURS N/A N/A N/A N/A
CWR 0 50 90 50
REMARKS...NONE.
FORECAST FOR DAYS 3 THROUGH 7
WEDNESDAY NIGHT
PARTLY CLOUDY WITH A CHANCE OF SHOWERS. LOWS
IN THE MID 50S. WEST WINDS 5 TO 10 MPH.
THURSDAY AND THURSDAY NIGHT
MOSTLY CLEAR. LOWS IN THE MID 50S.
HIGHS IN THE UPPER 70S. NORTH WINDS 5 TO 10 MPH.
FRIDAY THROUGH SATURDAY
MOSTLY CLEAR. LOWS IN THE UPPER 50S.
HIGHS IN THE LOWER 80S. SOUTHEAST WINDS AROUND 5 MPH.
SATURDAY NIGHT
MOSTLY CLEAR. LOWS AROUND 60. SOUTH WINDS
AROUND 5 MPH.
SUNDAY AND SUNDAY NIGHT
PARTLY CLOUDY. LOWS IN THE LOWER 60S.
HIGHS IN THE MID 80S. SOUTH WINDS AROUND 5 MPH.
MONDAY
PARTLY SUNNY WITH A CHANCE OF SHOWERS. HIGHS IN THE MID
80S. SOUTHWEST WINDS 5 TO 10 MPH.
MAZ009-210800-
WESTERN HAMPDEN MA-
INCLUDING THE CITY OF BLANDFORD
409 PM EDT MON JUL 20 2026
TONIGHT TUE TUE NIGHT WED
CLOUD COVER PCLDY MCLDY MCLDY MCLDY
PRECIP TYPE NONE TSTMS TSTMS TSTMS
CHANCE PRECIP (%) 80 90 60
CHANCE OF THUNDER (%) 0 40 40 40
TEMP (24H TREND) 57 (+7) 78 (0) 62 80
RH % (24H TREND) 96 (-4) 64 (+25) 100 71
20FT WND AM(MPH) S 5 G17 SW 5
20FT WND PM(MPH) LGT/VAR SE 9 G21 S 5 W 7
PRECIP AMOUNT 0.00 0.26 0.59 0.07
PRECIP DURATION 3 9 5
PRECIP BEGIN 1 PM CONTINUING CONTINUING
PRECIP END CONTINUING CONTINUING CONTINUING
MIXING HGT (FT-AGL) 430 3780 460 3720
TRANSPORT WND (KTS) S 8 S 18 SW 9 SW 15
VENT RATE (KT-FT) 3440 68040 4140 55800
MAX ADI EARLY 57 GEN GOOD 51 GEN GOOD 28 FAIR 45 GEN GOOD
MAX ADI LATE 6 VERY POOR 33 FAIR 8 POOR 44 GEN GOOD
MAX LVORI EARLY 6 4 9 3
MAX LVORI LATE 6 4 9 3
MIN VSBY EARLY 10 10 1 FOG 7
MIN VSBY LATE 10 6 FOG 3 FOG 9
SUNSHINE HOURS N/A N/A N/A N/A
CWR 0 60 90 30
REMARKS...NONE.
FORECAST FOR DAYS 3 THROUGH 7
WEDNESDAY NIGHT
PARTLY CLOUDY WITH A CHANCE OF SHOWERS. LOWS
IN THE MID 50S. NORTHWEST WINDS 5 TO 10 MPH.
THURSDAY
SUNNY. HIGHS IN THE MID 70S. NORTHWEST WINDS 5 TO
10 MPH.
THURSDAY NIGHT
CLEAR. LOWS IN THE MID 50S. NORTHWEST WINDS
AROUND 5 MPH.
FRIDAY
SUNNY. HIGHS IN THE UPPER 70S. NORTH WINDS AROUND
5 MPH, BECOMING SOUTHEAST IN THE AFTERNOON.
FRIDAY NIGHT
MOSTLY CLEAR. LOWS IN THE UPPER 50S. SOUTH WINDS
AROUND 5 MPH, BECOMING WEST AFTER MIDNIGHT.
SATURDAY AND SATURDAY NIGHT
MOSTLY CLEAR. LOWS IN THE UPPER
50S. HIGHS IN THE LOWER 80S. WEST WINDS AROUND 5 MPH.
SUNDAY
MOSTLY SUNNY. HIGHS IN THE LOWER 80S. SOUTHWEST WINDS
AROUND 5 MPH.
SUNDAY NIGHT
MOSTLY CLOUDY. LOWS IN THE LOWER 60S. SOUTHWEST
WINDS AROUND 5 MPH.
MONDAY
PARTLY SUNNY WITH A CHANCE OF SHOWERS. HIGHS IN THE
LOWER 80S. SOUTHWEST WINDS AROUND 5 MPH.
MAZ011-210800-
EASTERN HAMPDEN MA-
INCLUDING THE CITY OF SPRINGFIELD
409 PM EDT MON JUL 20 2026
TONIGHT TUE TUE NIGHT WED
CLOUD COVER PCLDY MCLDY MCLDY MCLDY
PRECIP TYPE NONE TSTMS TSTMS TSTMS
CHANCE PRECIP (%) 80 90 70
CHANCE OF THUNDER (%) 0 40 40 40
TEMP (24H TREND) 59 (+8) 81 (0) 64 83
RH % (24H TREND) 100 (0) 56 (+22) 100 69
20FT WND AM(MPH) S 6 G18 SW 7
20FT WND PM(MPH) S 5 S 11 G22 S 8 G20 SW 8 G18
PRECIP AMOUNT 0.00 0.18 0.54 0.14
PRECIP DURATION 3 10 5
PRECIP BEGIN 1 PM CONTINUING CONTINUING
PRECIP END CONTINUING CONTINUING CONTINUING
MIXING HGT (FT-AGL) 420 4450 440 3940
TRANSPORT WND (KTS) S 7 S 18 SW 8 SW 15
VENT RATE (KT-FT) 2940 80100 3520 59100
MAX ADI EARLY 55 GEN GOOD 42 GEN GOOD 13 GEN POOR 31 FAIR
MAX ADI LATE 6 VERY POOR 1 VERY POOR 10 POOR 38 FAIR
MAX LVORI EARLY 9 4 8 5
MAX LVORI LATE 9 4 8 5
MIN VSBY EARLY 10 10 3 FOG 7
MIN VSBY LATE 10 6 FOG 3 FOG 6 FOG
SUNSHINE HOURS N/A N/A N/A N/A
CWR 0 50 90 60
REMARKS...NONE.
FORECAST FOR DAYS 3 THROUGH 7
WEDNESDAY NIGHT
PARTLY CLOUDY WITH A CHANCE OF SHOWERS. LOWS
IN THE UPPER 50S. WEST WINDS 5 TO 10 MPH.
THURSDAY AND THURSDAY NIGHT
MOSTLY CLEAR. LOWS IN THE MID 50S.
HIGHS IN THE UPPER 70S. NORTH WINDS 5 TO 10 MPH.
FRIDAY
SUNNY. HIGHS IN THE LOWER 80S. NORTH WINDS AROUND
5 MPH, BECOMING SOUTHWEST IN THE AFTERNOON.
FRIDAY NIGHT
MOSTLY CLEAR. LOWS IN THE UPPER 50S. SOUTH WINDS
AROUND 5 MPH.
SATURDAY AND SATURDAY NIGHT
MOSTLY CLEAR. LOWS IN THE UPPER
50S. HIGHS IN THE MID 80S. SOUTHWEST WINDS AROUND 5 MPH.
SUNDAY AND SUNDAY NIGHT
PARTLY CLOUDY. LOWS IN THE LOWER 60S.
HIGHS IN THE MID 80S. SOUTH WINDS AROUND 5 MPH.
MONDAY
PARTLY SUNNY WITH A CHANCE OF SHOWERS. HIGHS IN THE MID
80S. SOUTHWEST WINDS 5 TO 10 MPH.
CTZ002-210800-
HARTFORD CT-
INCLUDING THE CITIES OF HARTFORD AND WINDSOR LOCKS
409 PM EDT MON JUL 20 2026
TONIGHT TUE TUE NIGHT WED
CLOUD COVER PCLDY MCLDY MCLDY MCLDY
PRECIP TYPE NONE TSTMS TSTMS TSTMS
CHANCE PRECIP (%) 80 90 60
CHANCE OF THUNDER (%) 0 40 40 40
TEMP (24H TREND) 60 (+8) 80 (-1) 65 83
RH % (24H TREND) 100 (0) 60 (+23) 100 69
20FT WND AM(MPH) S 6 G17 SW 6
20FT WND PM(MPH) LGT/VAR SE 10 G22 S 7 G20 SW 8 G18
PRECIP AMOUNT 0.00 0.39 0.77 0.16
PRECIP DURATION 3 10 5
PRECIP BEGIN 1 PM CONTINUING CONTINUING
PRECIP END CONTINUING CONTINUING CONTINUING
MIXING HGT (FT-AGL) 410 3970 450 3990
TRANSPORT WND (KTS) S 7 S 18 SW 9 SW 17
VENT RATE (KT-FT) 2870 71460 4050 67830
MAX ADI EARLY 55 GEN GOOD 49 GEN GOOD 11 POOR 34 FAIR
MAX ADI LATE 5 VERY POOR 1 VERY POOR 9 POOR 41 GEN GOOD
MAX LVORI EARLY 9 5 8 5
MAX LVORI LATE 9 5 8 5
MIN VSBY EARLY 10 10 2 FOG 7
MIN VSBY LATE 10 6 FOG 4 FOG 6 FOG
SUNSHINE HOURS N/A N/A N/A N/A
CWR 0 70 90 60
REMARKS...NONE.
FORECAST FOR DAYS 3 THROUGH 7
WEDNESDAY NIGHT
PARTLY CLOUDY WITH A CHANCE OF SHOWERS. LOWS
IN THE UPPER 50S. NORTHWEST WINDS 5 TO 10 MPH.
THURSDAY
SUNNY. HIGHS IN THE UPPER 70S. NORTHWEST WINDS 5 TO
10 MPH.
THURSDAY NIGHT
CLEAR. LOWS IN THE MID 50S. NORTH WINDS AROUND
5 MPH.
FRIDAY
SUNNY. HIGHS IN THE LOWER 80S. NORTH WINDS AROUND
5 MPH, BECOMING SOUTH IN THE AFTERNOON.
FRIDAY NIGHT
MOSTLY CLEAR. LOWS IN THE UPPER 50S. SOUTH WINDS
AROUND 5 MPH.
SATURDAY AND SATURDAY NIGHT
MOSTLY CLEAR. LOWS AROUND 60.
HIGHS IN THE MID 80S. SOUTHWEST WINDS AROUND 5 MPH.
SUNDAY AND SUNDAY NIGHT
PARTLY CLOUDY. LOWS IN THE LOWER 60S.
HIGHS IN THE MID 80S. SOUTHWEST WINDS AROUND 5 MPH.
MONDAY
MOSTLY SUNNY WITH A CHANCE OF SHOWERS. HIGHS IN THE MID
80S. SOUTHWEST WINDS 5 TO 10 MPH.
CTZ003-210800-
TOLLAND CT-
INCLUDING THE CITIES OF UNION AND VERNON
409 PM EDT MON JUL 20 2026
TONIGHT TUE TUE NIGHT WED
CLOUD COVER PCLDY MCLDY MCLDY MCLDY
PRECIP TYPE NONE TSTMS TSTMS TSTMS
CHANCE PRECIP (%) 80 100 70
CHANCE OF THUNDER (%) 0 40 40 40
TEMP (24H TREND) 58 (+7) 79 (0) 65 81
RH % (24H TREND) 100 (0) 60 (+20) 100 77
20FT WND AM(MPH) S 6 G18 SW 7
20FT WND PM(MPH) LGT/VAR SE 10 G22 S 8 G20 SW 8 G18
PRECIP AMOUNT 0.00 0.32 0.81 0.22
PRECIP DURATION 3 11 5
PRECIP BEGIN 1 PM CONTINUING CONTINUING
PRECIP END CONTINUING CONTINUING CONTINUING
MIXING HGT (FT-AGL) 420 3900 450 3360
TRANSPORT WND (KTS) S 7 S 17 SW 8 SW 17
VENT RATE (KT-FT) 2940 66300 3600 57120
MAX ADI EARLY 53 GEN GOOD 45 GEN GOOD 12 POOR 32 FAIR
MAX ADI LATE 5 VERY POOR 1 VERY POOR 10 POOR 38 FAIR
MAX LVORI EARLY 9 6 8 8
MAX LVORI LATE 9 6 8 8
MIN VSBY EARLY 10 10 2 FOG 7
MIN VSBY LATE 10 6 FOG 3 FOG 5 FOG
SUNSHINE HOURS N/A N/A N/A N/A
CWR 0 60 90 70
REMARKS...NONE.
FORECAST FOR DAYS 3 THROUGH 7
WEDNESDAY NIGHT
PARTLY CLOUDY WITH A CHANCE OF SHOWERS. LOWS
IN THE UPPER 50S. WEST WINDS 5 TO 10 MPH.
THURSDAY
SUNNY. HIGHS IN THE UPPER 70S. NORTHWEST WINDS AROUND
5 MPH.
THURSDAY NIGHT
MOSTLY CLEAR. LOWS IN THE MID 50S. NORTH WINDS
AROUND 5 MPH.
FRIDAY AND FRIDAY NIGHT
MOSTLY CLEAR. LOWS IN THE UPPER 50S.
HIGHS AROUND 80. SOUTH WINDS AROUND 5 MPH.
SATURDAY AND SATURDAY NIGHT
MOSTLY CLEAR. LOWS IN THE UPPER
50S. HIGHS IN THE LOWER 80S. SOUTHWEST WINDS AROUND 5 MPH.
SUNDAY AND SUNDAY NIGHT
PARTLY CLOUDY. LOWS IN THE LOWER 60S.
HIGHS IN THE LOWER 80S. SOUTH WINDS AROUND 5 MPH.
MONDAY
MOSTLY SUNNY WITH A CHANCE OF SHOWERS. HIGHS IN THE MID
80S. SOUTHWEST WINDS 5 TO 10 MPH.
CTZ004-210800-
WINDHAM CT-
INCLUDING THE CITIES OF PUTNAM AND WILLIMANTIC
409 PM EDT MON JUL 20 2026
TONIGHT TUE TUE NIGHT WED
CLOUD COVER PCLDY MCLDY CLOUDY MCLDY
PRECIP TYPE NONE TSTMS TSTMS TSTMS
CHANCE PRECIP (%) 60 100 80
CHANCE OF THUNDER (%) 0 40 40 30
TEMP (24H TREND) 58 (+8) 79 (0) 65 81
RH % (24H TREND) 100 (0) 62 (+20) 100 82
20FT WND AM(MPH) S 5 G17 SW 7
20FT WND PM(MPH) LGT/VAR SE 9 G20 S 7 G18 SW 9 G18
PRECIP AMOUNT 0.00 0.31 0.85 0.23
PRECIP DURATION 1 11 7
PRECIP BEGIN 2 PM CONTINUING CONTINUING
PRECIP END CONTINUING CONTINUING CONTINUING
MIXING HGT (FT-AGL) 410 3990 450 3140
TRANSPORT WND (KTS) S 7 S 16 SW 9 SW 18
VENT RATE (KT-FT) 2870 63840 4050 56520
MAX ADI EARLY 53 GEN GOOD 67 GOOD 26 FAIR 34 FAIR
MAX ADI LATE 4 VERY POOR 50 GEN GOOD 11 POOR 40 FAIR
MAX LVORI EARLY 9 6 8 8
MAX LVORI LATE 9 6 8 8
MIN VSBY EARLY 10 10 2 FOG 5 FOG
MIN VSBY LATE 10 6 FOG 3 FOG 5 FOG
SUNSHINE HOURS N/A N/A N/A N/A
CWR 0 60 90 70
REMARKS...NONE.
FORECAST FOR DAYS 3 THROUGH 7
WEDNESDAY NIGHT
PARTLY CLOUDY WITH SHOWERS LIKELY. LOWS IN THE
UPPER 50S. WEST WINDS 5 TO 10 MPH.
THURSDAY AND THURSDAY NIGHT
MOSTLY CLEAR. LOWS IN THE UPPER
50S. HIGHS IN THE UPPER 70S. NORTH WINDS AROUND 5 MPH.
FRIDAY
SUNNY. HIGHS IN THE UPPER 70S. NORTHEAST WINDS AROUND
5 MPH, BECOMING SOUTHEAST IN THE AFTERNOON.
FRIDAY NIGHT
MOSTLY CLEAR. LOWS IN THE UPPER 50S. SOUTH WINDS
AROUND 5 MPH, BECOMING WEST AFTER MIDNIGHT.
SATURDAY AND SATURDAY NIGHT
MOSTLY CLEAR. LOWS IN THE UPPER
50S. HIGHS IN THE LOWER 80S. WEST WINDS AROUND 5 MPH.
SUNDAY AND SUNDAY NIGHT
PARTLY CLOUDY. LOWS IN THE LOWER 60S.
HIGHS IN THE LOWER 80S. SOUTHWEST WINDS AROUND 5 MPH.
MONDAY
PARTLY SUNNY WITH A CHANCE OF SHOWERS. HIGHS IN THE
LOWER 80S. SOUTHWEST WINDS 5 TO 10 MPH.
RIZ001-210800-
NORTHWEST PROVIDENCE RI-
INCLUDING THE CITIES OF FOSTER AND SMITHFIELD
409 PM EDT MON JUL 20 2026
TONIGHT TUE TUE NIGHT WED
CLOUD COVER PCLDY MCLDY MCLDY MCLDY
PRECIP TYPE NONE TSTMS TSTMS TSTMS
CHANCE PRECIP (%) 50 100 80
CHANCE OF THUNDER (%) 0 40 40 30
TEMP (24H TREND) 59 (+7) 78 (-2) 65 81
RH % (24H TREND) 100 (0) 62 (+21) 100 79
20FT WND AM(MPH) S 6 SW 7
20FT WND PM(MPH) LGT/VAR S 9 G18 S 7 G17 SW 9 G18
PRECIP AMOUNT 0.00 0.18 1.04 0.21
PRECIP DURATION 1 11 8
PRECIP BEGIN 2 PM CONTINUING CONTINUING
PRECIP END CONTINUING CONTINUING CONTINUING
MIXING HGT (FT-AGL) 420 4020 440 3170
TRANSPORT WND (KTS) S 8 S 17 SW 10 SW 19
VENT RATE (KT-FT) 3360 68340 4400 60230
MAX ADI EARLY 57 GEN GOOD 66 GOOD 35 FAIR 35 FAIR
MAX ADI LATE 7 POOR 55 GEN GOOD 13 GEN POOR 41 GEN GOOD
MAX LVORI EARLY 9 4 8 7
MAX LVORI LATE 9 4 8 7
MIN VSBY EARLY 10 10 3 FOG 5 FOG
MIN VSBY LATE 10 9 3 FOG 5 FOG
SUNSHINE HOURS N/A N/A N/A N/A
CWR 0 50 90 60
REMARKS...NONE.
FORECAST FOR DAYS 3 THROUGH 7
WEDNESDAY NIGHT
MOSTLY CLOUDY WITH SHOWERS LIKELY. LOWS AROUND
60. WEST WINDS 5 TO 10 MPH.
THURSDAY AND THURSDAY NIGHT
MOSTLY CLEAR. LOWS IN THE UPPER
50S. HIGHS IN THE UPPER 70S. NORTHWEST WINDS AROUND 5 MPH.
FRIDAY
SUNNY. HIGHS IN THE UPPER 70S. NORTH WINDS AROUND
5 MPH, BECOMING SOUTHEAST IN THE AFTERNOON.
FRIDAY NIGHT
MOSTLY CLEAR. LOWS IN THE UPPER 50S. SOUTH WINDS
AROUND 5 MPH, BECOMING WEST AFTER MIDNIGHT.
SATURDAY AND SATURDAY NIGHT
MOSTLY CLEAR. LOWS AROUND 60.
HIGHS AROUND 80. WEST WINDS AROUND 5 MPH.
SUNDAY AND SUNDAY NIGHT
PARTLY CLOUDY. LOWS IN THE LOWER 60S.
HIGHS IN THE LOWER 80S. SOUTHWEST WINDS AROUND 5 MPH.
MONDAY
PARTLY SUNNY WITH A CHANCE OF SHOWERS. HIGHS IN THE
LOWER 80S. SOUTHWEST WINDS 5 TO 10 MPH.
RIZ002-210800-
SOUTHEAST PROVIDENCE RI-
INCLUDING THE CITY OF PROVIDENCE
409 PM EDT MON JUL 20 2026
TONIGHT TUE TUE NIGHT WED
CLOUD COVER PCLDY MCLDY CLOUDY MCLDY
PRECIP TYPE NONE TSTMS TSTMS TSTMS
CHANCE PRECIP (%) 50 100 70
CHANCE OF THUNDER (%) 0 30 40 30
TEMP (24H TREND) 60 (+6) 79 (-2) 66 82
RH % (24H TREND) 100 (+4) 62 (+21) 100 77
20FT WND AM(MPH) S 6 SW 8 G17
20FT WND PM(MPH) S 5 S 10 G18 S 8 G17 SW 10 G18
PRECIP AMOUNT 0.00 0.18 1.25 0.19
PRECIP DURATION 1 11 8
PRECIP BEGIN 2 PM CONTINUING CONTINUING
PRECIP END CONTINUING CONTINUING CONTINUING
MIXING HGT (FT-AGL) 420 3800 440 3160
TRANSPORT WND (KTS) S 8 S 18 SW 11 SW 20
VENT RATE (KT-FT) 3360 68400 4840 63200
MAX ADI EARLY 52 GEN GOOD 49 GEN GOOD 14 GEN POOR 34 FAIR
MAX ADI LATE 8 POOR 55 GEN GOOD 13 GEN POOR 1 VERY POOR
MAX LVORI EARLY 9 4 8 7
MAX LVORI LATE 9 4 8 7
MIN VSBY EARLY 10 10 4 FOG 5 FOG
MIN VSBY LATE 10 10 4 FOG 6 FOG
SUNSHINE HOURS N/A N/A N/A N/A
CWR 0 50 90 50
REMARKS...NONE.
FORECAST FOR DAYS 3 THROUGH 7
WEDNESDAY NIGHT
MOSTLY CLOUDY WITH SHOWERS LIKELY. LOWS IN THE
LOWER 60S. SOUTHWEST WINDS 10 TO 15 MPH, BECOMING NORTHWEST
AROUND 5 MPH AFTER MIDNIGHT.
THURSDAY AND THURSDAY NIGHT
MOSTLY CLEAR. LOWS IN THE LOWER
60S. HIGHS AROUND 80. NORTHWEST WINDS AROUND 5 MPH.
FRIDAY
SUNNY. HIGHS AROUND 80. NORTH WINDS AROUND 5 MPH,
BECOMING SOUTHEAST IN THE AFTERNOON.
FRIDAY NIGHT
PARTLY CLOUDY. LOWS IN THE LOWER 60S. SOUTH WINDS
AROUND 5 MPH, BECOMING WEST AFTER MIDNIGHT.
SATURDAY AND SATURDAY NIGHT
MOSTLY CLEAR. LOWS IN THE LOWER
60S. HIGHS IN THE LOWER 80S. WEST WINDS AROUND 5 MPH.
SUNDAY AND SUNDAY NIGHT
PARTLY CLOUDY. LOWS IN THE MID 60S.
HIGHS IN THE LOWER 80S. SOUTHWEST WINDS 5 TO 10 MPH.
MONDAY
MOSTLY SUNNY WITH A CHANCE OF SHOWERS. HIGHS IN THE MID
80S. SOUTHWEST WINDS 5 TO 10 MPH.
RIZ003-210800-
WESTERN KENT RI-
INCLUDING THE CITIES OF COVENTRY AND WEST GREENWICH
409 PM EDT MON JUL 20 2026
TONIGHT TUE TUE NIGHT WED
CLOUD COVER PCLDY PCLDY CLOUDY MCLDY
PRECIP TYPE NONE TSTMS TSTMS TSTMS
CHANCE PRECIP (%) 60 100 70
CHANCE OF THUNDER (%) 0 40 40 30
TEMP (24H TREND) 59 (+6) 77 (-2) 65 80
RH % (24H TREND) 100 (0) 64 (+22) 100 82
20FT WND AM(MPH) S 6 SW 8 G17
20FT WND PM(MPH) LGT/VAR S 9 G17 S 8 G17 SW 10 G19
PRECIP AMOUNT 0.00 0.25 1.11 0.31
PRECIP DURATION 1 11 8
PRECIP BEGIN 2 PM CONTINUING CONTINUING
PRECIP END CONTINUING CONTINUING CONTINUING
MIXING HGT (FT-AGL) 420 3490 460 2680
TRANSPORT WND (KTS) S 7 S 17 SW 12 SW 19
VENT RATE (KT-FT) 2940 59330 5520 50920
MAX ADI EARLY 43 GEN GOOD 53 GEN GOOD 25 FAIR 40 FAIR
MAX ADI LATE 5 VERY POOR 50 GEN GOOD 14 GEN POOR 44 GEN GOOD
MAX LVORI EARLY 9 6 7 8
MAX LVORI LATE 9 6 7 8
MIN VSBY EARLY 10 10 3 FOG 4 FOG
MIN VSBY LATE 10 7 3 FOG 5 FOG
SUNSHINE HOURS N/A N/A N/A N/A
CWR 0 50 90 60
REMARKS...NONE.
FORECAST FOR DAYS 3 THROUGH 7
WEDNESDAY NIGHT
MOSTLY CLOUDY WITH SHOWERS LIKELY. LOWS IN THE
LOWER 60S. SOUTHWEST WINDS 5 TO 10 MPH, BECOMING NORTHWEST AFTER
MIDNIGHT.
THURSDAY AND THURSDAY NIGHT
MOSTLY CLEAR. LOWS AROUND 60.
HIGHS IN THE UPPER 70S. NORTH WINDS AROUND 5 MPH.
FRIDAY
SUNNY. HIGHS IN THE UPPER 70S. NORTHEAST WINDS AROUND
5 MPH, BECOMING SOUTHEAST AROUND 5 MPH IN THE AFTERNOON.
FRIDAY NIGHT
MOSTLY CLEAR. LOWS IN THE UPPER 50S. SOUTH WINDS
AROUND 5 MPH IN THE EVENING, BECOMING LIGHT AND VARIABLE.
SATURDAY
MOSTLY SUNNY. HIGHS IN THE UPPER 70S. NORTHEAST WINDS
AROUND 5 MPH, BECOMING SOUTHEAST AROUND 5 MPH IN THE AFTERNOON.
SATURDAY NIGHT
MOSTLY CLEAR. LOWS AROUND 60. SOUTH WINDS
AROUND 5 MPH IN THE EVENING, BECOMING LIGHT AND VARIABLE.
SUNDAY AND SUNDAY NIGHT
PARTLY CLOUDY. LOWS IN THE LOWER 60S.
HIGHS AROUND 80. SOUTHWEST WINDS AROUND 5 MPH.
MONDAY
MOSTLY SUNNY WITH A CHANCE OF SHOWERS. HIGHS IN THE
LOWER 80S. SOUTHWEST WINDS 5 TO 10 MPH.
RIZ004-210800-
EASTERN KENT RI-
INCLUDING THE CITIES OF EAST GREENWICH, WARWICK, AND WEST WARWICK
409 PM EDT MON JUL 20 2026
TONIGHT TUE TUE NIGHT WED
CLOUD COVER PCLDY MCLDY MCLDY MCLDY
PRECIP TYPE NONE TSTMS TSTMS TSTMS
CHANCE PRECIP (%) 50 100 70
CHANCE OF THUNDER (%) 0 30 40 30
TEMP (24H TREND) 61 (+6) 78 (-2) 67 81
RH % (24H TREND) 100 (+4) 62 (+21) 100 77
20FT WND AM(MPH) S 7 SW 10 G18
20FT WND PM(MPH) S 5 S 11 G18 S 9 G17 SW 12 G20
PRECIP AMOUNT 0.00 0.19 1.21 0.24
PRECIP DURATION 1 11 8
PRECIP BEGIN 2 PM CONTINUING CONTINUING
PRECIP END CONTINUING CONTINUING CONTINUING
MIXING HGT (FT-AGL) 420 3230 450 2880
TRANSPORT WND (KTS) S 8 S 17 SW 12 SW 21
VENT RATE (KT-FT) 3360 54910 5400 60480
MAX ADI EARLY 41 GEN GOOD 43 GEN GOOD 15 GEN POOR 1 VERY POOR
MAX ADI LATE 8 POOR 47 GEN GOOD 14 GEN POOR 1 VERY POOR
MAX LVORI EARLY 9 5 6 7
MAX LVORI LATE 9 5 6 7
MIN VSBY EARLY 10 10 4 FOG 3 FOG
MIN VSBY LATE 10 10 3 FOG 5 FOG
SUNSHINE HOURS N/A N/A N/A N/A
CWR 0 50 90 50
REMARKS...NONE.
FORECAST FOR DAYS 3 THROUGH 7
WEDNESDAY NIGHT
MOSTLY CLOUDY WITH A CHANCE OF SHOWERS. LOWS
IN THE LOWER 60S. SOUTHWEST WINDS 10 TO 15 MPH, BECOMING
NORTHWEST AROUND 5 MPH AFTER MIDNIGHT.
THURSDAY AND THURSDAY NIGHT
MOSTLY CLEAR. LOWS IN THE LOWER
60S. HIGHS IN THE UPPER 70S. NORTHWEST WINDS AROUND 5 MPH.
FRIDAY
SUNNY. HIGHS IN THE UPPER 70S. NORTHEAST WINDS AROUND
5 MPH, BECOMING SOUTHEAST AROUND 5 MPH IN THE AFTERNOON.
FRIDAY NIGHT
MOSTLY CLEAR. LOWS IN THE LOWER 60S. SOUTH WINDS
AROUND 5 MPH, BECOMING WEST AFTER MIDNIGHT.
SATURDAY
MOSTLY SUNNY. HIGHS AROUND 80. NORTHEAST WINDS AROUND
5 MPH, BECOMING SOUTHEAST AROUND 5 MPH IN THE AFTERNOON.
SATURDAY NIGHT
MOSTLY CLEAR. LOWS IN THE LOWER 60S. SOUTH
WINDS AROUND 5 MPH, BECOMING WEST AFTER MIDNIGHT.
SUNDAY AND SUNDAY NIGHT
PARTLY CLOUDY. LOWS IN THE MID 60S.
HIGHS IN THE LOWER 80S. SOUTHWEST WINDS 5 TO 10 MPH.
MONDAY
MOSTLY SUNNY WITH A CHANCE OF SHOWERS. HIGHS IN THE
LOWER 80S. SOUTHWEST WINDS 5 TO 10 MPH.
RIZ005-210800-
BRISTOL RI-
INCLUDING THE CITY OF BRISTOL
409 PM EDT MON JUL 20 2026
TONIGHT TUE TUE NIGHT WED
CLOUD COVER PCLDY PCLDY MCLDY MCLDY
PRECIP TYPE NONE TSTMS TSTMS TSTMS
CHANCE PRECIP (%) 50 100 70
CHANCE OF THUNDER (%) 0 30 40 30
TEMP (24H TREND) 63 (+7) 78 (0) 68 80
RH % (24H TREND) 100 (+7) 64 (+19) 100 85
20FT WND AM(MPH) S 7 SW 11 G20
20FT WND PM(MPH) S 6 S 11 G19 S 11 G19 SW 13 G22
PRECIP AMOUNT 0.00 0.13 1.45 0.25
PRECIP DURATION 1 11 5
PRECIP BEGIN 2 PM CONTINUING CONTINUING
PRECIP END CONTINUING CONTINUING CONTINUING
MIXING HGT (FT-AGL) 420 3240 460 2520
TRANSPORT WND (KTS) S 9 S 17 SW 14 SW 17
VENT RATE (KT-FT) 3780 55080 6440 42840
MAX ADI EARLY 25 FAIR 40 FAIR 17 GEN POOR 1 VERY POOR
MAX ADI LATE 10 POOR 47 GEN GOOD 15 GEN POOR 1 VERY POOR
MAX LVORI EARLY 8 6 10 9
MAX LVORI LATE 8 6 10 9
MIN VSBY EARLY 10 10 5 FOG 3 FOG
MIN VSBY LATE 10 10 3 FOG 5 FOG
SUNSHINE HOURS N/A N/A N/A N/A
CWR 0 40 90 60
REMARKS...NONE.
FORECAST FOR DAYS 3 THROUGH 7
WEDNESDAY NIGHT
MOSTLY CLOUDY WITH A CHANCE OF SHOWERS. LOWS
IN THE MID 60S. SOUTHWEST WINDS 10 TO 15 MPH, BECOMING WEST
AROUND 5 MPH AFTER MIDNIGHT.
THURSDAY AND THURSDAY NIGHT
MOSTLY CLEAR. LOWS IN THE LOWER
60S. HIGHS IN THE UPPER 70S. NORTHWEST WINDS AROUND 5 MPH.
FRIDAY
SUNNY. HIGHS AROUND 80. NORTHEAST WINDS AROUND 5 MPH,
BECOMING SOUTHEAST AROUND 5 MPH IN THE AFTERNOON.
FRIDAY NIGHT
PARTLY CLOUDY. LOWS IN THE LOWER 60S. SOUTH WINDS
AROUND 5 MPH IN THE EVENING, BECOMING LIGHT AND VARIABLE.
SATURDAY
MOSTLY SUNNY. HIGHS IN THE LOWER 80S. NORTHEAST WINDS
AROUND 5 MPH, BECOMING SOUTHEAST AROUND 5 MPH IN THE AFTERNOON.
SATURDAY NIGHT
MOSTLY CLEAR. LOWS IN THE MID 60S. SOUTHEAST
WINDS AROUND 5 MPH, BECOMING WEST AFTER MIDNIGHT.
SUNDAY AND SUNDAY NIGHT
PARTLY CLOUDY. LOWS IN THE MID 60S.
HIGHS IN THE LOWER 80S. SOUTHWEST WINDS 5 TO 10 MPH.
MONDAY
MOSTLY SUNNY WITH A CHANCE OF SHOWERS. HIGHS IN THE
LOWER 80S. SOUTHWEST WINDS 5 TO 10 MPH.
RIZ006-210800-
WASHINGTON RI-
INCLUDING THE CITIES OF NARRAGANSETT AND WESTERLY
409 PM EDT MON JUL 20 2026
TONIGHT TUE TUE NIGHT WED
CLOUD COVER PCLDY PCLDY CLOUDY MCLDY
PRECIP TYPE NONE TSTMS TSTMS TSTMS
CHANCE PRECIP (%) 60 100 70
CHANCE OF THUNDER (%) 0 40 40 30
TEMP (24H TREND) 59 (+5) 78 (+1) 66 80
RH % (24H TREND) 100 (0) 66 (+23) 100 79
20FT WND AM(MPH) S 7 SW 10 G21
20FT WND PM(MPH) LGT/VAR SE 10 G19 S 9 G20 SW 11 G23
PRECIP AMOUNT 0.00 0.24 1.10 0.36
PRECIP DURATION 1 12 5
PRECIP BEGIN 2 PM CONTINUING CONTINUING
PRECIP END CONTINUING CONTINUING CONTINUING
MIXING HGT (FT-AGL) 410 2790 470 2430
TRANSPORT WND (KTS) S 8 S 16 S 16 SW 16
VENT RATE (KT-FT) 3280 44640 7520 38880
MAX ADI EARLY 20 GEN POOR 34 FAIR 16 GEN POOR 13 GEN POOR
MAX ADI LATE 6 VERY POOR 38 FAIR 15 GEN POOR 5 VERY POOR
MAX LVORI EARLY 9 6 6 7
MAX LVORI LATE 9 6 6 7
MIN VSBY EARLY 10 10 3 FOG 3 FOG
MIN VSBY LATE 10 6 FOG 3 FOG 3 FOG
SUNSHINE HOURS N/A N/A N/A N/A
CWR 0 50 90 60
REMARKS...NONE.
FORECAST FOR DAYS 3 THROUGH 7
WEDNESDAY NIGHT
MOSTLY CLOUDY WITH A CHANCE OF SHOWERS. LOWS
IN THE LOWER 60S. SOUTHWEST WINDS 10 TO 15 MPH, BECOMING
NORTHWEST 5 TO 10 MPH AFTER MIDNIGHT.
THURSDAY
SUNNY. HIGHS IN THE UPPER 70S. NORTHWEST WINDS AROUND
5 MPH.
THURSDAY NIGHT
MOSTLY CLEAR. LOWS AROUND 60. SOUTHWEST WINDS
AROUND 5 MPH, BECOMING NORTH AFTER MIDNIGHT.
FRIDAY
SUNNY. HIGHS IN THE UPPER 70S. NORTHEAST WINDS AROUND
5 MPH, BECOMING SOUTHEAST AROUND 5 MPH IN THE AFTERNOON.
FRIDAY NIGHT
MOSTLY CLEAR. LOWS AROUND 60. SOUTHEAST WINDS
AROUND 5 MPH, BECOMING NORTH AFTER MIDNIGHT.
SATURDAY THROUGH SUNDAY NIGHT
PARTLY CLOUDY. LOWS IN THE LOWER
60S. HIGHS IN THE UPPER 70S. SOUTHWEST WINDS 5 TO 10 MPH.
MONDAY
MOSTLY SUNNY WITH A CHANCE OF SHOWERS. HIGHS AROUND 80.
SOUTHWEST WINDS 5 TO 10 MPH.
RIZ007-210800-
NEWPORT RI-
INCLUDING THE CITY OF NEWPORT
409 PM EDT MON JUL 20 2026
TONIGHT TUE TUE NIGHT WED
CLOUD COVER PCLDY PCLDY CLOUDY MCLDY
PRECIP TYPE NONE TSTMS TSTMS TSTMS
CHANCE PRECIP (%) 50 100 70
CHANCE OF THUNDER (%) 0 30 40 30
TEMP (24H TREND) 63 (+6) 78 (+2) 67 79
RH % (24H TREND) 100 (+4) 64 (+19) 100 82
20FT WND AM(MPH) S 8 SW 13 G23
20FT WND PM(MPH) S 6 SE 11 G19 S 12 G21 SW 15 G24
PRECIP AMOUNT 0.00 0.09 1.41 0.32
PRECIP DURATION 1 12 5
PRECIP BEGIN 2 PM CONTINUING CONTINUING
PRECIP END CONTINUING CONTINUING CONTINUING
MIXING HGT (FT-AGL) 420 2300 470 2230
TRANSPORT WND (KTS) S 9 S 16 SW 17 SW 17
VENT RATE (KT-FT) 3780 36800 7990 37910
MAX ADI EARLY 14 GEN POOR 29 FAIR 20 GEN POOR 1 VERY POOR
MAX ADI LATE 10 POOR 31 FAIR 18 GEN POOR 1 VERY POOR
MAX LVORI EARLY 6 6 5 8
MAX LVORI LATE 6 6 5 8
MIN VSBY EARLY 10 10 3 FOG 3 FOG
MIN VSBY LATE 10 10 3 FOG 5 FOG
SUNSHINE HOURS N/A N/A N/A N/A
CWR 0 40 90 60
REMARKS...NONE.
FORECAST FOR DAYS 3 THROUGH 7
WEDNESDAY NIGHT
MOSTLY CLOUDY WITH SHOWERS LIKELY. LOWS IN THE
MID 60S. SOUTHWEST WINDS 15 TO 20 MPH, BECOMING WEST 5 TO 10 MPH
AFTER MIDNIGHT.
THURSDAY
SUNNY. HIGHS IN THE UPPER 70S. NORTHWEST WINDS 5 TO
10 MPH.
THURSDAY NIGHT
MOSTLY CLEAR. LOWS IN THE LOWER 60S. SOUTH
WINDS 5 TO 10 MPH, BECOMING NORTH AFTER MIDNIGHT.
FRIDAY
SUNNY. HIGHS IN THE UPPER 70S. NORTHEAST WINDS AROUND
5 MPH, BECOMING SOUTHEAST IN THE AFTERNOON.
FRIDAY NIGHT
PARTLY CLOUDY. LOWS IN THE LOWER 60S. SOUTHEAST
WINDS AROUND 5 MPH, BECOMING NORTH AFTER MIDNIGHT.
SATURDAY THROUGH SUNDAY NIGHT
PARTLY CLOUDY. LOWS IN THE MID
60S. HIGHS IN THE UPPER 70S. SOUTHWEST WINDS 5 TO 10 MPH.
MONDAY
MOSTLY SUNNY WITH A CHANCE OF SHOWERS. HIGHS IN THE
UPPER 70S. SOUTHWEST WINDS 10 TO 15 MPH.
RIZ008-210800-
BLOCK ISLAND RI-
INCLUDING THE CITY OF NEW SHOREHAM
409 PM EDT MON JUL 20 2026
TONIGHT TUE TUE NIGHT WED
CLOUD COVER PCLDY PCLDY CLOUDY MCLDY
PRECIP TYPE NONE TSTMS TSTMS TSTMS
CHANCE PRECIP (%) 70 100 80
CHANCE OF THUNDER (%) 0 30 40 30
TEMP (24H TREND) 66 (+5) 76 (+4) 68 77
RH % (24H TREND) 93 (+3) 76 (+15) 100 85
20FT WND AM(MPH) SE 9 SW 15 G23
20FT WND PM(MPH) S 6 SE 12 G19 S 13 G23 SW 16 G24
PRECIP AMOUNT 0.00 0.07 0.85 0.22
PRECIP DURATION 2 12 6
PRECIP BEGIN 2 PM CONTINUING CONTINUING
PRECIP END CONTINUING CONTINUING CONTINUING
MIXING HGT (FT-AGL) 420 810 560 1050
TRANSPORT WND (KTS) S 11 S 15 SW 21 SW 18
VENT RATE (KT-FT) 4620 12150 11760 18900
MAX ADI EARLY 13 GEN POOR 19 GEN POOR 22 FAIR 1 VERY POOR
MAX ADI LATE 12 POOR 20 GEN POOR 23 FAIR 1 VERY POOR
MAX LVORI EARLY 5 6 5 7
MAX LVORI LATE 5 6 5 7
MIN VSBY EARLY 10 10 3 FOG 3 FOG
MIN VSBY LATE 10 6 FOG 3 FOG 6 FOG
SUNSHINE HOURS N/A N/A N/A N/A
CWR 0 40 90 50
REMARKS...NONE.
FORECAST FOR DAYS 3 THROUGH 7
WEDNESDAY NIGHT
MOSTLY CLOUDY WITH SHOWERS LIKELY. LOWS IN THE
MID 60S. SOUTHWEST WINDS 10 TO 15 MPH, BECOMING WEST 5 TO 10 MPH
AFTER MIDNIGHT.
THURSDAY
SUNNY WITH A CHANCE OF SHOWERS. HIGHS IN THE MID 70S.
NORTHWEST WINDS 5 TO 10 MPH, BECOMING WEST IN THE AFTERNOON.
THURSDAY NIGHT
MOSTLY CLEAR. LOWS IN THE MID 60S. SOUTH WINDS
5 TO 10 MPH, BECOMING NORTHEAST AFTER MIDNIGHT.
FRIDAY
SUNNY. HIGHS IN THE LOWER 70S. NORTHEAST WINDS AROUND
5 MPH, BECOMING SOUTHEAST IN THE AFTERNOON.
FRIDAY NIGHT AND SATURDAY
PARTLY CLOUDY. LOWS IN THE MID 60S.
HIGHS IN THE LOWER 70S. EAST WINDS AROUND 5 MPH.
SATURDAY NIGHT THROUGH MONDAY
PARTLY CLOUDY. LOWS IN THE UPPER
60S. HIGHS IN THE MID 70S. SOUTHWEST WINDS 5 TO 10 MPH.
MAZ017-210800-
NORTHERN BRISTOL MA-
INCLUDING THE CITY OF TAUNTON
409 PM EDT MON JUL 20 2026
TONIGHT TUE TUE NIGHT WED
CLOUD COVER PCLDY MCLDY CLOUDY MCLDY
PRECIP TYPE NONE SHOWERS TSTMS TSTMS
CHANCE PRECIP (%) 40 100 60
CHANCE OF THUNDER (%) 0 0 40 30
TEMP (24H TREND) 60 (+9) 80 (-1) 65 82
RH % (24H TREND) 100 (0) 56 (+17) 100 77
20FT WND AM(MPH) S 5 SW 7 G18
20FT WND PM(MPH) LGT/VAR S 9 G18 S 7 G17 SW 9 G21
PRECIP AMOUNT 0.00 0.13 1.46 0.19
PRECIP DURATION 1 10 8
PRECIP BEGIN 2 PM CONTINUING CONTINUING
PRECIP END CONTINUING CONTINUING CONTINUING
MIXING HGT (FT-AGL) 420 4180 430 3090
TRANSPORT WND (KTS) S 8 S 18 SW 12 SW 19
VENT RATE (KT-FT) 3360 75240 5160 58710
MAX ADI EARLY 49 GEN GOOD 87 GOOD 40 FAIR 34 FAIR
MAX ADI LATE 8 POOR 59 GEN GOOD 17 GEN POOR 1 VERY POOR
MAX LVORI EARLY 9 4 8 7
MAX LVORI LATE 9 4 8 7
MIN VSBY EARLY 10 10 4 FOG 5 FOG
MIN VSBY LATE 10 10 3 FOG 5 FOG
SUNSHINE HOURS N/A N/A N/A N/A
CWR 0 40 90 50
REMARKS...NONE.
FORECAST FOR DAYS 3 THROUGH 7
WEDNESDAY NIGHT
MOSTLY CLOUDY WITH SHOWERS LIKELY. LOWS IN THE
LOWER 60S. SOUTHWEST WINDS 5 TO 10 MPH, BECOMING WEST AFTER
MIDNIGHT.
THURSDAY AND THURSDAY NIGHT
MOSTLY CLEAR. LOWS AROUND 60.
HIGHS AROUND 80. NORTHWEST WINDS AROUND 5 MPH.
FRIDAY
SUNNY. HIGHS AROUND 80. NORTH WINDS AROUND 5 MPH,
BECOMING EAST AROUND 5 MPH IN THE AFTERNOON.
FRIDAY NIGHT
MOSTLY CLEAR. LOWS IN THE UPPER 50S. SOUTHEAST
WINDS AROUND 5 MPH IN THE EVENING, BECOMING LIGHT AND VARIABLE.
SATURDAY AND SATURDAY NIGHT
MOSTLY CLEAR. LOWS AROUND 60.
HIGHS IN THE LOWER 80S. WEST WINDS AROUND 5 MPH.
SUNDAY AND SUNDAY NIGHT
PARTLY CLOUDY. LOWS IN THE LOWER 60S.
HIGHS IN THE LOWER 80S. SOUTHWEST WINDS AROUND 5 MPH.
MONDAY
MOSTLY SUNNY WITH A CHANCE OF SHOWERS. HIGHS IN THE MID
80S. SOUTHWEST WINDS 5 TO 10 MPH.
MAZ018-210800-
WESTERN PLYMOUTH MA-
INCLUDING THE CITY OF BROCKTON
409 PM EDT MON JUL 20 2026
TONIGHT TUE TUE NIGHT WED
CLOUD COVER PCLDY PCLDY CLOUDY MCLDY
PRECIP TYPE NONE SHOWERS TSTMS TSTMS
CHANCE PRECIP (%) 30 100 70
CHANCE OF THUNDER (%) 0 0 40 30
TEMP (24H TREND) 60 (+8) 80 (-1) 66 82
RH % (24H TREND) 100 (0) 52 (+14) 100 74
20FT WND AM(MPH) S 5 SW 8 G21
20FT WND PM(MPH) LGT/VAR S 9 G18 S 7 G18 SW 10 G23
PRECIP AMOUNT 0.00 0.07 1.47 0.16
PRECIP DURATION 1 10 5
PRECIP BEGIN 3 PM CONTINUING CONTINUING
PRECIP END CONTINUING CONTINUING CONTINUING
MIXING HGT (FT-AGL) 420 4280 430 3350
TRANSPORT WND (KTS) S 9 S 18 SW 13 SW 21
VENT RATE (KT-FT) 3780 77040 5590 70350
MAX ADI EARLY 49 GEN GOOD 86 GOOD 32 FAIR 32 FAIR
MAX ADI LATE 9 POOR 59 GEN GOOD 17 GEN POOR 1 VERY POOR
MAX LVORI EARLY 9 4 7 7
MAX LVORI LATE 9 4 7 7
MIN VSBY EARLY 10 10 4 FOG 3 FOG
MIN VSBY LATE 10 10 3 FOG 6 FOG
SUNSHINE HOURS N/A N/A N/A N/A
CWR 0 30 90 40
REMARKS...NONE.
FORECAST FOR DAYS 3 THROUGH 7
WEDNESDAY NIGHT
MOSTLY CLOUDY WITH A CHANCE OF SHOWERS. LOWS
IN THE LOWER 60S. SOUTHWEST WINDS 5 TO 10 MPH.
THURSDAY AND THURSDAY NIGHT
MOSTLY CLEAR. LOWS IN THE LOWER
60S. HIGHS AROUND 80. NORTHWEST WINDS AROUND 5 MPH.
FRIDAY
SUNNY. HIGHS IN THE UPPER 70S. NORTH WINDS AROUND
5 MPH, BECOMING EAST AROUND 5 MPH IN THE AFTERNOON.
FRIDAY NIGHT
MOSTLY CLEAR. LOWS AROUND 60. SOUTHEAST WINDS
AROUND 5 MPH IN THE EVENING, BECOMING LIGHT AND VARIABLE.
SATURDAY AND SATURDAY NIGHT
MOSTLY CLEAR. LOWS IN THE LOWER
60S. HIGHS IN THE LOWER 80S. SOUTHWEST WINDS AROUND 5 MPH.
SUNDAY AND SUNDAY NIGHT
PARTLY CLOUDY. LOWS IN THE LOWER 60S.
HIGHS IN THE LOWER 80S. SOUTHWEST WINDS AROUND 5 MPH.
MONDAY
MOSTLY SUNNY WITH A CHANCE OF SHOWERS. HIGHS IN THE MID
80S. SOUTHWEST WINDS 5 TO 10 MPH.
MAZ019-210800-
EASTERN PLYMOUTH MA-
INCLUDING THE CITY OF PLYMOUTH
409 PM EDT MON JUL 20 2026
TONIGHT TUE TUE NIGHT WED
CLOUD COVER PCLDY PCLDY MCLDY MCLDY
PRECIP TYPE NONE SHOWERS TSTMS TSTMS
CHANCE PRECIP (%) 20 100 70
CHANCE OF THUNDER (%) 0 0 40 30
TEMP (24H TREND) 61 (+6) 81 (+3) 67 83
RH % (24H TREND) 100 (0) 49 (+10) 100 69
20FT WND AM(MPH) S 6 SW 10 G22
20FT WND PM(MPH) S 6 S 10 G19 S 9 G21 SW 12 G23
PRECIP AMOUNT 0.00 0.05 1.35 0.14
PRECIP DURATION 0 10 5
PRECIP BEGIN 3 PM CONTINUING CONTINUING
PRECIP END CONTINUING CONTINUING CONTINUING
MIXING HGT (FT-AGL) 420 3730 470 3050
TRANSPORT WND (KTS) S 10 S 16 SW 15 SW 19
VENT RATE (KT-FT) 4200 59680 7050 57950
MAX ADI EARLY 16 GEN POOR 33 FAIR 18 GEN POOR 1 VERY POOR
MAX ADI LATE 11 POOR 35 FAIR 17 GEN POOR 1 VERY POOR
MAX LVORI EARLY 6 4 10 6
MAX LVORI LATE 6 4 10 6
MIN VSBY EARLY 10 10 5 FOG 3 FOG
MIN VSBY LATE 10 10 3 FOG 6 FOG
SUNSHINE HOURS N/A N/A N/A N/A
CWR 0 30 90 40
REMARKS...NONE.
FORECAST FOR DAYS 3 THROUGH 7
WEDNESDAY NIGHT
MOSTLY CLOUDY WITH A CHANCE OF SHOWERS. LOWS
IN THE MID 60S. SOUTHWEST WINDS 10 TO 15 MPH.
THURSDAY
SUNNY. HIGHS IN THE UPPER 70S. NORTHWEST WINDS 5 TO
10 MPH.
THURSDAY NIGHT
MOSTLY CLEAR. LOWS IN THE LOWER 60S. SOUTH
WINDS AROUND 5 MPH, BECOMING WEST AFTER MIDNIGHT.
FRIDAY
SUNNY. HIGHS IN THE UPPER 70S. NORTH WINDS AROUND
5 MPH, BECOMING EAST AROUND 5 MPH IN THE AFTERNOON.
FRIDAY NIGHT
MOSTLY CLEAR. LOWS IN THE LOWER 60S. SOUTHEAST
WINDS AROUND 5 MPH, BECOMING WEST AFTER MIDNIGHT.
SATURDAY AND SATURDAY NIGHT
MOSTLY CLEAR. LOWS IN THE LOWER
60S. HIGHS IN THE UPPER 70S. SOUTHWEST WINDS 5 TO 10 MPH.
SUNDAY AND SUNDAY NIGHT
PARTLY CLOUDY. LOWS IN THE MID 60S.
HIGHS AROUND 80. SOUTHWEST WINDS 5 TO 10 MPH.
MONDAY
MOSTLY SUNNY WITH A CHANCE OF SHOWERS. HIGHS IN THE
LOWER 80S. SOUTHWEST WINDS 5 TO 10 MPH.
MAZ020-210800-
SOUTHERN BRISTOL MA-
INCLUDING THE CITIES OF FALL RIVER AND NEW BEDFORD
409 PM EDT MON JUL 20 2026
TONIGHT TUE TUE NIGHT WED
CLOUD COVER PCLDY PCLDY CLOUDY MCLDY
PRECIP TYPE NONE SHOWERS TSTMS TSTMS
CHANCE PRECIP (%) 40 100 70
CHANCE OF THUNDER (%) 0 0 40 30
TEMP (24H TREND) 61 (+7) 80 (+2) 67 82
RH % (24H TREND) 100 (0) 60 (+16) 100 77
20FT WND AM(MPH) S 7 SW 12 G24
20FT WND PM(MPH) S 5 S 10 G20 S 10 G21 SW 14 G27
PRECIP AMOUNT 0.00 0.07 1.51 0.32
PRECIP DURATION 1 12 5
PRECIP BEGIN 2 PM CONTINUING CONTINUING
PRECIP END CONTINUING CONTINUING CONTINUING
MIXING HGT (FT-AGL) 420 3590 430 2640
TRANSPORT WND (KTS) S 9 S 16 S 17 SW 18
VENT RATE (KT-FT) 3780 57440 7310 47520
MAX ADI EARLY 26 FAIR 40 FAIR 19 GEN POOR 1 VERY POOR
MAX ADI LATE 9 POOR 49 GEN GOOD 17 GEN POOR 1 VERY POOR
MAX LVORI EARLY 9 5 10 8
MAX LVORI LATE 9 5 10 8
MIN VSBY EARLY 10 10 3 FOG 3 FOG
MIN VSBY LATE 10 10 3 FOG 5 FOG
SUNSHINE HOURS N/A N/A N/A N/A
CWR 0 30 90 60
REMARKS...NONE.
FORECAST FOR DAYS 3 THROUGH 7
WEDNESDAY NIGHT
MOSTLY CLOUDY WITH SHOWERS LIKELY. LOWS IN THE
MID 60S. SOUTHWEST WINDS 15 TO 20 MPH.
THURSDAY
MOSTLY SUNNY WITH A CHANCE OF SHOWERS. HIGHS AROUND
80. NORTHWEST WINDS 5 TO 10 MPH.
THURSDAY NIGHT
MOSTLY CLEAR. LOWS IN THE LOWER 60S. SOUTH
WINDS 5 TO 10 MPH, BECOMING NORTH AFTER MIDNIGHT.
FRIDAY
SUNNY. HIGHS IN THE UPPER 70S. NORTHEAST WINDS AROUND
5 MPH, BECOMING SOUTHEAST AROUND 5 MPH IN THE AFTERNOON.
FRIDAY NIGHT
PARTLY CLOUDY. LOWS IN THE LOWER 60S. SOUTHEAST
WINDS AROUND 5 MPH, BECOMING NORTH AFTER MIDNIGHT.
SATURDAY THROUGH SUNDAY NIGHT
PARTLY CLOUDY. LOWS IN THE MID
60S. HIGHS AROUND 80. SOUTHWEST WINDS 5 TO 10 MPH.
MONDAY
MOSTLY SUNNY WITH A CHANCE OF SHOWERS. HIGHS IN THE
LOWER 80S. SOUTHWEST WINDS 10 TO 15 MPH.
MAZ021-210800-
SOUTHERN PLYMOUTH MA-
INCLUDING THE CITY OF MATTAPOISETT
409 PM EDT MON JUL 20 2026
TONIGHT TUE TUE NIGHT WED
CLOUD COVER PCLDY PCLDY CLOUDY MCLDY
PRECIP TYPE NONE SHOWERS TSTMS TSTMS
CHANCE PRECIP (%) 40 100 70
CHANCE OF THUNDER (%) 0 0 40 30
TEMP (24H TREND) 62 (+9) 81 (+3) 67 82
RH % (24H TREND) 100 (0) 56 (+12) 100 77
20FT WND AM(MPH) S 6 SW 12 G25
20FT WND PM(MPH) S 5 S 10 G20 S 10 G23 SW 13 G27
PRECIP AMOUNT 0.00 0.05 1.38 0.21
PRECIP DURATION 1 11 6
PRECIP BEGIN 2 PM CONTINUING CONTINUING
PRECIP END CONTINUING CONTINUING CONTINUING
MIXING HGT (FT-AGL) 420 3850 450 2620
TRANSPORT WND (KTS) S 9 S 16 SW 14 SW 22
VENT RATE (KT-FT) 3780 61600 6300 57640
MAX ADI EARLY 25 FAIR 53 GEN GOOD 18 GEN POOR 1 VERY POOR
MAX ADI LATE 10 POOR 50 GEN GOOD 18 GEN POOR 1 VERY POOR
MAX LVORI EARLY 7 4 10 6
MAX LVORI LATE 7 4 10 6
MIN VSBY EARLY 10 10 3 FOG 3 FOG
MIN VSBY LATE 10 10 3 FOG 6 FOG
SUNSHINE HOURS N/A N/A N/A N/A
CWR 0 30 90 50
REMARKS...NONE.
FORECAST FOR DAYS 3 THROUGH 7
WEDNESDAY NIGHT
MOSTLY CLOUDY WITH SHOWERS LIKELY AND A CHANCE
OF THUNDERSTORMS. LOWS IN THE MID 60S. SOUTHWEST WINDS 15 TO
20 MPH, BECOMING WEST 5 TO 10 MPH AFTER MIDNIGHT.
THURSDAY
MOSTLY SUNNY WITH A CHANCE OF SHOWERS. HIGHS AROUND
80. WEST WINDS 5 TO 10 MPH.
THURSDAY NIGHT
MOSTLY CLEAR. LOWS IN THE LOWER 60S. SOUTH
WINDS 5 TO 10 MPH, BECOMING NORTHWEST AFTER MIDNIGHT.
FRIDAY
SUNNY. HIGHS IN THE UPPER 70S. NORTHEAST WINDS AROUND
5 MPH, BECOMING EAST AROUND 5 MPH IN THE AFTERNOON.
FRIDAY NIGHT AND SATURDAY
PARTLY CLOUDY. LOWS IN THE LOWER
60S. HIGHS AROUND 80. EAST WINDS AROUND 5 MPH.
SATURDAY NIGHT THROUGH SUNDAY NIGHT
PARTLY CLOUDY. LOWS IN THE
MID 60S. HIGHS AROUND 80. SOUTHWEST WINDS 5 TO 10 MPH.
MONDAY
MOSTLY SUNNY WITH A CHANCE OF SHOWERS. HIGHS IN THE
LOWER 80S. SOUTHWEST WINDS 5 TO 10 MPH.
MAZ022-210800-
BARNSTABLE MA-
INCLUDING THE CITIES OF CHATHAM, FALMOUTH, AND PROVINCETOWN
409 PM EDT MON JUL 20 2026
TONIGHT TUE TUE NIGHT WED
CLOUD COVER PCLDY PCLDY CLOUDY MCLDY
PRECIP TYPE NONE NONE TSTMS TSTMS
CHANCE PRECIP (%) 30 100 80
CHANCE OF THUNDER (%) 0 0 40 20
TEMP (24H TREND) 65 (+9) 81 (+5) 69 82
RH % (24H TREND) 93 (-7) 59 (+12) 100 70
20FT WND AM(MPH) S 6 SW 13 G25
20FT WND PM(MPH) S 5 S 9 G19 S 10 G22 SW 13 G26
PRECIP AMOUNT 0.00 0.00 0.85 0.26
PRECIP DURATION 11 6
PRECIP BEGIN 6 PM CONTINUING
PRECIP END CONTINUING CONTINUING
MIXING HGT (FT-AGL) 400 2910 580 2370
TRANSPORT WND (KTS) S 10 S 16 SW 17 SW 22
VENT RATE (KT-FT) 4000 46560 9860 52140
MAX ADI EARLY 17 GEN POOR 38 FAIR 22 FAIR 1 VERY POOR
MAX ADI LATE 11 POOR 35 FAIR 21 FAIR 1 VERY POOR
MAX LVORI EARLY 5 5 10 7
MAX LVORI LATE 5 5 10 7
MIN VSBY EARLY 10 10 3 FOG 3 FOG
MIN VSBY LATE 10 10 2 FOG 5 FOG
SUNSHINE HOURS N/A N/A N/A N/A
CWR 0 0 90 70
REMARKS...NONE.
FORECAST FOR DAYS 3 THROUGH 7
WEDNESDAY NIGHT
MOSTLY CLOUDY WITH SHOWERS LIKELY AND A CHANCE
OF THUNDERSTORMS. LOWS IN THE UPPER 60S. SOUTHWEST WINDS 15 TO
20 MPH, DIMINISHING TO 5 TO 10 MPH AFTER MIDNIGHT.
THURSDAY
MOSTLY SUNNY WITH A CHANCE OF SHOWERS. HIGHS IN THE
UPPER 70S. NORTH WINDS 5 TO 10 MPH.
THURSDAY NIGHT
PARTLY CLOUDY. LOWS IN THE MID 60S. SOUTHEAST
WINDS AROUND 5 MPH, BECOMING NORTH AFTER MIDNIGHT.
FRIDAY
SUNNY. HIGHS IN THE UPPER 70S. NORTHEAST WINDS AROUND
5 MPH.
FRIDAY NIGHT AND SATURDAY
PARTLY CLOUDY. LOWS IN THE MID 60S.
HIGHS IN THE UPPER 70S. EAST WINDS AROUND 5 MPH.
SATURDAY NIGHT THROUGH MONDAY
PARTLY CLOUDY. LOWS IN THE UPPER
60S. HIGHS IN THE UPPER 70S. SOUTHWEST WINDS 5 TO 10 MPH.
MAZ023-210800-
DUKES MA-
INCLUDING THE CITY OF VINEYARD HAVEN
409 PM EDT MON JUL 20 2026
TONIGHT TUE TUE NIGHT WED
CLOUD COVER PCLDY PCLDY CLOUDY MCLDY
PRECIP TYPE NONE SHOWERS TSTMS TSTMS
CHANCE PRECIP (%) 50 100 80
CHANCE OF THUNDER (%) 0 0 40 30
TEMP (24H TREND) 65 (+8) 80 (+6) 68 81
RH % (24H TREND) 90 (-10) 60 (+12) 100 72
20FT WND AM(MPH) S 8 G17 SW 16 G26
20FT WND PM(MPH) S 6 SE 11 G21 S 14 G23 SW 17 G27
PRECIP AMOUNT 0.00 0.02 0.52 0.39
PRECIP DURATION 1 12 7
PRECIP BEGIN 2 PM CONTINUING CONTINUING
PRECIP END CONTINUING CONTINUING CONTINUING
MIXING HGT (FT-AGL) 430 1780 530 1880
TRANSPORT WND (KTS) S 11 S 16 S 23 SW 22
VENT RATE (KT-FT) 4730 28480 12190 41360
MAX ADI EARLY 15 GEN POOR 28 FAIR 25 FAIR 1 VERY POOR
MAX ADI LATE 13 GEN POOR 28 FAIR 24 FAIR 1 VERY POOR
MAX LVORI EARLY 5 5 9 6
MAX LVORI LATE 5 5 9 6
MIN VSBY EARLY 10 10 3 FOG 2 FOG
MIN VSBY LATE 10 10 3 FOG 5 FOG
SUNSHINE HOURS N/A N/A N/A N/A
CWR 0 20 90 80
REMARKS...NONE.
FORECAST FOR DAYS 3 THROUGH 7
WEDNESDAY NIGHT
SHOWERS AND A CHANCE OF THUNDERSTORMS. LOWS IN
THE MID 60S. SOUTHWEST WINDS 15 TO 20 MPH.
THURSDAY
MOSTLY SUNNY WITH A CHANCE OF SHOWERS. HIGHS IN THE
UPPER 70S. NORTHWEST WINDS 5 TO 10 MPH, BECOMING SOUTHWEST IN THE
AFTERNOON.
THURSDAY NIGHT
PARTLY CLOUDY. LOWS IN THE MID 60S. SOUTHEAST
WINDS 5 TO 10 MPH, BECOMING NORTHEAST AFTER MIDNIGHT.
FRIDAY
SUNNY. HIGHS IN THE MID 70S. EAST WINDS 5 TO 10 MPH.
FRIDAY NIGHT AND SATURDAY
PARTLY CLOUDY. LOWS IN THE MID 60S.
HIGHS IN THE MID 70S. EAST WINDS 5 TO 10 MPH.
SATURDAY NIGHT THROUGH MONDAY
PARTLY CLOUDY. LOWS IN THE UPPER
60S. HIGHS IN THE UPPER 70S. SOUTHWEST WINDS 10 TO 15 MPH.
MAZ024-210800-
NANTUCKET MA-
INCLUDING THE CITY OF NANTUCKET
409 PM EDT MON JUL 20 2026
TONIGHT TUE TUE NIGHT WED
CLOUD COVER MCLEAR PCLDY CLOUDY MCLDY
PRECIP TYPE NONE SHOWERS TSTMS TSTMS
CHANCE PRECIP (%) 20 100 90
CHANCE OF THUNDER (%) 0 0 40 30
TEMP (24H TREND) 65 (+3) 80 (+7) 68 80
RH % (24H TREND) 90 (-10) 67 (+14) 100 74
20FT WND AM(MPH) S 7 SW 18 G29
20FT WND PM(MPH) S 6 SE 10 G19 S 13 G24 SW 18 G28
PRECIP AMOUNT 0.00 0.01 0.89 0.41
PRECIP DURATION 0 11 8
PRECIP BEGIN 2 PM CONTINUING CONTINUING
PRECIP END CONTINUING CONTINUING CONTINUING
MIXING HGT (FT-AGL) 560 1370 690 1800
TRANSPORT WND (KTS) S 11 S 15 S 24 SW 25
VENT RATE (KT-FT) 6160 20550 16560 45000
MAX ADI EARLY 12 POOR 26 FAIR 25 FAIR 1 VERY POOR
MAX ADI LATE 13 GEN POOR 26 FAIR 31 FAIR 1 VERY POOR
MAX LVORI EARLY 5 4 9 6
MAX LVORI LATE 5 4 9 6
MIN VSBY EARLY 10 10 3 FOG 3 FOG
MIN VSBY LATE 10 10 3 FOG 5 FOG
SUNSHINE HOURS N/A N/A N/A N/A
CWR 0 10 80 80
REMARKS...NONE.
FORECAST FOR DAYS 3 THROUGH 7
WEDNESDAY NIGHT
BREEZY. SHOWERS AND A CHANCE OF THUNDERSTORMS.
LOWS IN THE UPPER 60S. SOUTHWEST WINDS 15 TO 25 MPH.
THURSDAY
PARTLY SUNNY WITH SHOWERS LIKELY. HIGHS IN THE UPPER
70S. WEST WINDS 10 TO 15 MPH, BECOMING NORTH 5 TO 10 MPH IN THE
AFTERNOON.
THURSDAY NIGHT
MOSTLY CLOUDY WITH A CHANCE OF SHOWERS. LOWS IN
THE MID 60S. EAST WINDS 5 TO 10 MPH.
FRIDAY THROUGH SATURDAY NIGHT
PARTLY CLOUDY. LOWS IN THE MID
60S. HIGHS IN THE MID 70S. NORTHEAST WINDS 5 TO 10 MPH.
SUNDAY THROUGH MONDAY
PARTLY CLOUDY. LOWS IN THE UPPER 60S.
HIGHS IN THE MID 70S. SOUTHWEST WINDS 10 TO 15 MPH.
OUTLOOK 8 TO 14 DAYS
TEMPERATURES NEAR NORMAL. PRECIPITATION ABOVE NORMAL.
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