❰ Current Conditions

Flash Flood Watch
FLASH FLOOD WATCH NOW IN EFFECT THROUGH 6 PM THIS AFTERNOON

Flash Flood Watch issued August 5 at 3:19AM EDT until August 5 at 6:00PM EDT by NWS Boston/Norton MA

The Flash Flood Watch is now in effect for

* Portions of Massachusetts and Rhode Island, including the following areas, in Massachusetts, Central Middlesex MA, Eastern Essex MA, Eastern Norfolk MA, Eastern Plymouth MA, Northern Bristol MA, Southeast Middlesex MA, Southern Bristol MA, Southern Plymouth MA, Suffolk MA, Western Essex MA, Western Norfolk MA and Western Plymouth MA. In Rhode Island, Block Island RI, Bristol RI, Eastern Kent RI, Newport RI, Northwest Providence RI, Southeast Providence RI, Washington RI and Western Kent RI.

* Through this afternoon.

* Periods of showers and a few thunderstorms will continue to bring locally heavy rain to Rhode Island and portions of eastern Massachusetts through late this afternoon. Up to an additional one and a half inches of rain is forecast through this afternoon, with total rainfall ranging between 2 to 3 inches. Locally higher rainfall amounts are possible in areas that experience persistent heavy rains.

* Heavy rainfall may cause street flooding in urban areas and in low-lying and poor drainage areas. It may also result in rapid rises on small streams and creeks.

* PRECAUTIONARY/PREPAREDNESS ACTIONS...You should monitor later forecasts and be prepared to take action should Flash Flood Warnings be issued.
Fire Weather Discussion
Fire Weather Planning Forecast for Southern New England
National Weather Service Boston/Norton MA
440 AM EDT Thu Aug 5 2021

.DISCUSSION...  
A wave of low pressure tracks across RI and eastern MA today, 
yielding periods of rain, heavy at times and localized flooding 
possible. 

Minimum RH values Today will range from 80 to 90 percent. 

OUTLOOK...Friday through Tuesday... 

Dry weather returns Friday and Saturday. Scattered showers and 
thunderstorms possible Sunday. Mainly dry weather expected Monday 
before risk for showers and thunderstorms return Tuesday.

060845-
Southeast Middlesex MA-
Including the cities of Cambridge, Lexington, Newton, Waltham, 
and Woburn
440 AM EDT Thu Aug 5 2021

                      Today        Tonight      Fri          

Cloud Cover           Cloudy       Mcldy        Mclear       
Precip Type           Showers      Showers      None         
Chance Precip (%)     100          30           0            
Temp (24h trend)      71 (-6)      61 (-2)      85           
RH % (24h trend)      84 (+35)     100 (0)      46           
20ft Wnd AM(mph)      NE  6                     Lgt/Var      
20ft Wnd PM(mph)      N  5         Lgt/Var      Lgt/Var      
Precip Amount         1.02         0.04         0.00         
Precip Duration       9            1                         
Precip Begin          6 AM         Continuing                
Precip End            Continuing   11 PM                     
Mixing Hgt (ft-AGL)   1130         100          7170         
Transport Wnd (kts)   NE  8        SW  4        W  7         
Vent Rate (kt-ft)     9040         400          50190        
ADI early             10 Poor      6 Very Poor  23 Fair      
ADI late              12 Poor      3 Very Poor  73 Good      
Max LVORI early       7            6            6            
Max LVORI late        5            8            1            
CWR                   100          90           0            
LAL                   No Tstms     No Tstms     No Tstms     
Haines Index          3            3            4            

REMARKS...None.

.FORECAST FOR DAYS 3 THROUGH 7...
.FRIDAY NIGHT...Mostly clear. Lows in the mid 60s. Southwest
winds around 5 mph. 
.SATURDAY AND SATURDAY NIGHT...Mostly cloudy. Lows in the upper
60s. Highs in the upper 80s. Southwest winds 5 to 10 mph. 
.SUNDAY...Partly sunny with a chance of showers and
thunderstorms. Highs in the lower 80s. Southwest winds around
5 mph, becoming southeast around 5 mph in the afternoon. 
.SUNDAY NIGHT...Partly cloudy. Lows in the mid 60s. Southeast
winds around 5 mph in the evening, becoming light and variable. 
.MONDAY AND MONDAY NIGHT...Partly cloudy. Lows in the mid 60s.
Highs in the upper 70s. South winds around 5 mph. 
.TUESDAY THROUGH WEDNESDAY...Partly cloudy. Lows in the upper
60s. Highs in the upper 80s. Southwest winds 5 to 10 mph.