❰ Current Conditions

Fire Weather Discussion
Fire Weather Planning Forecast for Southern New England
National Weather Service Boston/Norton MA
431 PM EST Sun Nov 28 2021

.DISCUSSION...

A developing coastal low will bring scattered rain and snow showers 
tonight into Monday morning. This coastal low has the potential to 
bring light accumulating snow to parts of our area. Winds are 
northwest at 10 to 15 knots. Minimum relative humidities range from 
60 to 75 percent.

A weak ridge of higher pressure slides across the region on Tuesday 
and we expect dry conditions. Winds are west southwest at 5 to 10 
knots. Minimum relative humidities range from 50 to 65 percent.

OUTLOOK...Wednesday through Friday...

Dry weather continues for Wednesday. High pressure departs southern 
New England, chance for rain and snow showers return on Thursday and 
ends for Friday.

290900-
Southeast Middlesex MA-
Including the cities of Cambridge, Lexington, Newton, Waltham, 
and Woburn
431 PM EST Sun Nov 28 2021

                      Tonight      Mon          Mon Night    Tue          

Cloud Cover           Mcldy        Mcldy        Mclear       Pcldy        
Precip Type           Frz Rain     Frz Rain     None         None         
Chance Precip (%)     70           60           0            0            
Temp (24h trend)      29 (+4)      35 (-3)      21           40           
RH % (24h trend)      96 (+15)     66 (+22)     78           50           
20ft Wnd AM(mph)                   N  7                      W  5         
20ft Wnd PM(mph)      Lgt/Var      NW  7        NW  8        SW  6        
Precip Amount         0.13         0.09         0.00         0.00         
Precip Duration       7            3                                      
Precip Begin          6 PM         Continuing                             
Precip End            Continuing   4 PM                                   
Mixing Hgt (ft-AGL)   330          2640         350          3970         
Transport Wnd (kts)   N  3         N 13         W  9         W 15         
Vent Rate (kt-ft)     990          34320        3150         59550        
ADI early             2 Very Poor  26 Fair      10 Poor      44 Gen Good  
ADI late              5 Very Poor  32 Fair      10 Poor      54 Gen Good  
Max LVORI early       5            6            3            3            
Max LVORI late        6            3            3            3            
CWR                   50           50           0            0            
LAL                   No Tstms     No Tstms     No Tstms     No Tstms     
Haines Index          3            3            4            4            

REMARKS...None.

.FORECAST FOR DAYS 3 THROUGH 7...
.TUESDAY NIGHT...Partly cloudy. Lows in the upper 20s. Southwest
winds around 5 mph. 
.WEDNESDAY...Mostly sunny. Highs in the mid 40s. West winds 5 to
10 mph. 
.WEDNESDAY NIGHT...Mostly cloudy. Lows in the lower 30s.
Southwest winds around 5 mph. 
.THURSDAY...Mostly cloudy with a chance of rain showers. Highs in
the lower 50s. Southwest winds 5 to 10 mph. 
.THURSDAY NIGHT...Mostly cloudy. Lows in the mid 30s. West winds
5 to 10 mph. 
.FRIDAY AND FRIDAY NIGHT...Partly cloudy. Colder. Lows in the
upper 20s. Highs in the lower 40s. West winds 5 to 10 mph. 
.SATURDAY...Partly sunny. Highs in the upper 30s. West winds 5 to
10 mph. 
.SATURDAY NIGHT AND SUNDAY...Partly cloudy. Lows in the upper
20s. Highs in the upper 30s. West winds 5 to 10 mph.