❰ Current Conditions

Fire Weather Discussion

Fire Weather Planning Forecast for Southern New England
National Weather Service Boston/Norton MA
420 AM EDT Wed Jul 15 2020

.DISCUSSION...
A ridge of high pressure will settle over the region today and 
Thursday bringing dry and cooler conditions.

Minimum relative humidities will range from 50 to 70 percent 
today and Thursday.

.OUTLOOK...Friday through Tuesday...

A frontal system crossing the region Friday will bring a chance of a 
few showers and thunderstorms. Hot and humid weather returns this 
weekend into early next week. A slow approaching cold front may 
trigger more showers and storms early next week.

Southeast Middlesex MA-
Including the cities of Cambridge, Lexington, Newton, Waltham, 
and Woburn
420 AM EDT Wed Jul 15 2020

                      Today        Tonight      Thu          

Cloud cover           Mcldy        Pcldy        Pcldy        
Precip type           Showers      None         None         
Chance precip (%)     20           0            0            
Temp (24h trend)      74 (-7)      60 (-4)      75           
RH % (24h trend)      59 (+11)     93 (-7)      56           
20ft Wnd AM(mph)      NE  5                     Lgt/Var      
20ft Wnd PM(mph)      Lgt/Var      Lgt/Var      E  5         
Precip amount         0.01         0.00         0.00         
Precip duration       0                                      
Precip begin          6 AM                                   
Precip end            8 AM                                   
Mixing hgt (ft-AGL)   4380         0            4230         
Transport wnd (kts)   NE  7        NE  3        E  7         
Vent rate (kt-ft)     30660        0            29610        
ADI early             37 Fair      25 Fair      25 Fair      
ADI late              35 Fair      3 Very Poor  35 Fair      
Max LVORI early       5            5            6            
Max LVORI late        3            7            2            
CWR                   0            0            0            
LAL                   No Tstms     No Tstms     No Tstms     
Haines Index          3            2            3            

REMARKS...None.

.FORECAST FOR DAYS 3 THROUGH 7...
.THURSDAY NIGHT...Mostly cloudy. Lows in the lower 60s. South
winds around 5 mph. 
.FRIDAY...Mostly cloudy with a chance of showers and
thunderstorms. Highs in the upper 70s. South winds 5 to 10 mph. 
.FRIDAY NIGHT...Mostly cloudy. Lows in the upper 60s. Southwest
winds 5 to 10 mph. 
.SATURDAY...Mostly sunny. Warmer. Highs around 90. West winds
around 5 mph. 
.SATURDAY NIGHT THROUGH SUNDAY NIGHT...Mostly clear. Lows in the
lower 70s. Highs in the lower 90s. Southwest winds 5 to 10 mph. 
.MONDAY...Partly sunny with a chance of showers and
thunderstorms. Highs in the lower 90s. Southwest winds 5 to
10 mph. 
.MONDAY NIGHT...Partly cloudy with a chance of showers and
thunderstorms. Lows in the lower 70s. West winds 5 to 10 mph. 
.TUESDAY...Partly sunny with a chance of showers and
thunderstorms. Highs in the upper 80s. Southwest winds around
5 mph.