Fire Weather Planning Forecast for Southern New England
National Weather Service Boston/Norton MA
431 PM EDT Mon Jun 14 2021

.DISCUSSION...  

Surface low pressure rides up a cold front tonight into early 
Tuesday providing a round of showers. A second round of showers will 
arrive during the afternoon hours when a cold front approaches from 
the northwest and could fire off a few thunderstorms. 

Tuesday afternoon highs are seasonable in the middle and upper 70s 
with maximum relative humidly values between 50 and 70 percent. 
Winds are southwest and become northwest during the afternoon at 10 
knots.

Clearing skies on Wednesday as high pressure builds in. Temperatures 
are a few degrees cooler in the low to middle 70s. Winds are 
northwest 10 knots with gusts to 20 knots. 

OUTLOOK...Thursday through Sunday...

High pressure continues to provide dry and quiet weather through the 
end of the week. The next chance for rain arrives Saturday into 
Sunday as a cold front moves across the northeast.

150900-
Southeast Middlesex MA-
Including the cities of Cambridge, Lexington, Newton, Waltham, 
and Woburn
431 PM EDT Mon Jun 14 2021

                      Tonight      Tue          Tue Night    Wed          

Cloud Cover           Mcldy        Mcldy        Pcldy        Mclear       
Precip Type           Tstms        Tstms        Tstms        None         
Chance Precip (%)     60           70           40           10           
Temp (24h trend)      62 (+4)      77 (+10)     57           76           
RH % (24h trend)      100 (0)      62 (+34)     93           34           
20ft Wnd AM(mph)                   Lgt/Var                   NW  6        
20ft Wnd PM(mph)      Lgt/Var      S  5         Lgt/Var      NW  7        
Precip Amount         0.15         0.51         0.06         0.00         
Precip Duration       3            6            1                         
Precip Begin          6 PM         Continuing   Continuing                
Precip End            Continuing   Continuing   10 PM                     
Mixing Hgt (ft-AGL)   250          3440         140          8580         
Transport Wnd (kts)   S  5         SW  8        W  5         W 12         
Vent Rate (kt-ft)     1250         27520        700          102960       
ADI early             30 Fair      19 Gen Poor  17 Gen Poor  85 Good      
ADI late              6 Very Poor  30 Fair      8 Poor       105 Very Good
Max LVORI early       6            8            5            4            
Max LVORI late        8            3            6            1            
CWR                   50           100          100          0            
LAL                   1-8 Strikes  16-25 Strikes16-25 StrikesNo Tstms     
Haines Index          3            3            3            5            

REMARKS...None.

.FORECAST FOR DAYS 3 THROUGH 7...
.WEDNESDAY NIGHT...Mostly clear. Lows in the lower 50s. Northwest
winds around 5 mph. 
.THURSDAY AND THURSDAY NIGHT...Mostly clear. Lows in the lower
50s. Highs in the upper 70s. West winds around 5 mph. 
.FRIDAY...Mostly sunny. Highs in the lower 80s. Southwest winds
5 to 10 mph. 
.FRIDAY NIGHT...Mostly cloudy. Warmer. Lows in the mid 60s.
Southwest winds 5 to 10 mph. 
.SATURDAY...Partly sunny with a chance of showers and
thunderstorms. Highs in the mid 80s. Southwest winds 5 to 10 mph.
.SATURDAY NIGHT...Partly cloudy with a chance of showers and
thunderstorms. Lows in the lower 60s. West winds 5 to 10 mph. 
.SUNDAY AND SUNDAY NIGHT...Partly cloudy. Lows in the lower 60s.
Highs in the lower 80s. West winds 5 to 10 mph. 
.MONDAY...Partly sunny. Highs in the lower 80s. Southwest winds
around 5 mph.