❰ Current Conditions

Fire Weather Discussion

Fire Weather Planning Forecast for Southern New England
National Weather Service Boston/Norton MA
420 PM EST Wed Feb 24 2021

.DISCUSSION... 

An area of low pressure will track across Northern New England this 
evening with a few light showers this evening. Dry, blustery and 
more seasonable on Thursday.

Minimum relative humidities for Thursday will range from range from 
40 to 50 percent.

OUTLOOK...Friday through Tuesday...

Dry and quiet weather on Friday as high pressure builds in. 
Unsettled weather returns through the weekend into early next week.

Southeast Middlesex MA-
Including the cities of Cambridge, Lexington, Newton, Waltham, 
and Woburn
420 PM EST Wed Feb 24 2021

                      Tonight      Thu          Thu Night    Fri          

Cloud Cover           Pcldy        Mclear       Mclear       Mclear       
Precip Type           Showers      None         None         None         
Chance Precip (%)     20           0            0            0            
Temp (24h trend)      35 (+2)      43 (-10)     19           38           
RH % (24h trend)      82 (-10)     38 (+11)     71           39           
20ft Wnd AM(mph)                   W 13 G28                  NW  5        
20ft Wnd PM(mph)      SW  9 G22    W 14 G26     W  9 G20     Lgt/Var      
Precip Amount         0.01         0.00         0.00         0.00         
Precip Duration       0                                                   
Precip Begin          9 PM                                                
Precip End            1 AM                                                
Mixing Hgt (ft-AGL)   110          5110         170          4930         
Transport Wnd (kts)   S 12         NW 24        W  6         NW 12        
Vent Rate (kt-ft)     1320         122640       1020         59160        
ADI early             14 Gen Poor  91 Good      22 Fair      66 Good      
ADI late              15 Gen Poor  87 Good      6 Very Poor  76 Good      
Max LVORI early       3            3            3            3            
Max LVORI late        4            1            3            2            
CWR                   0            0            0            0            
LAL                   No Tstms     No Tstms     No Tstms     No Tstms     
Haines Index          4            4            5            4            

REMARKS...None.

.FORECAST FOR DAYS 3 THROUGH 7...
.FRIDAY NIGHT...Mostly clear. Lows in the mid 20s. South winds
around 5 mph. 
.SATURDAY...Rain. Highs in the mid 40s. South winds 5 to 10 mph. 
.SATURDAY NIGHT...Rain. Not as cool. Lows in the upper 30s. West
winds 5 to 10 mph. 
.SUNDAY...Mostly cloudy. Highs in the lower 50s. Southwest winds
around 5 mph. 
.SUNDAY NIGHT...Cloudy with a chance of showers. Lows in the
upper 30s. Southwest winds around 5 mph. 
.MONDAY...Mostly cloudy with a chance of rain showers. Highs in
the upper 40s. West winds around 5 mph. 
.MONDAY NIGHT THROUGH TUESDAY NIGHT...Partly cloudy. Colder. Lows
in the mid 20s. Highs in the mid 30s. West winds 5 to 10 mph. 
.WEDNESDAY...Mostly cloudy with a chance of snow and rain
showers. Highs in the lower 40s. Southwest winds around 5 mph.