❰ Current Conditions

Fire Weather Discussion

Fire Weather Planning Forecast for Southern New England
National Weather Service Boston/Norton MA
420 PM EST Sat Feb 22 2020

.DISCUSSION...
High pressure centered south of the region remains in control of the 
Southern New England weather for Sunday and Monday with dry 
conditions. Min RH levels will range from 30 to 35 percent.

OUTLOOK...Tuesday through Thursday...

A couple of systems will bring unsettled weather through the outlook 
period.

Southeast Middlesex MA-
Including the cities of Cambridge, Lexington, Newton, Waltham, 
and Woburn
420 PM EST Sat Feb 22 2020

                      Tonight      Sun          Sun Night    Mon          

Cloud cover           Clear        Clear        Clear        Mclear       
Precip type           None         None         None         None         
Chance precip (%)     0            0            0            0            
Temp (24h trend)      26 (+3)      51 (+6)      33           54           
RH % (24h trend)      68 (+11)     33 (+12)     75           43           
20ft Wnd AM(mph)                   W  5                      Lgt/Var      
20ft Wnd PM(mph)      W  5         W  6         Lgt/Var      SW  5        
Precip amount         0.00         0.00         0.00         0.00         
Precip duration                                                           
Precip begin                                                              
Precip end                                                                
Mixing hgt (ft-AGL)   130          2990         100          3470         
Transport wnd (kts)   SW  4        W  9         SW  5        SW 17        
Vent rate (kt-ft)     520          26910        500          58990        
ADI early             8 Poor       26 Fair      4 Very Poor  33 Fair      
ADI late              3 Very Poor  38 Fair      3 Very Poor  79 Good      
Max LVORI early       2            3            3            4            
Max LVORI late        3            2            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...
.MONDAY NIGHT...Mostly cloudy. Lows in the upper 30s. Southwest
winds around 5 mph, becoming northwest after midnight. 
.TUESDAY...Mostly cloudy. Highs in the mid 40s. Northeast winds
around 5 mph. 
.TUESDAY NIGHT...Mostly cloudy with a chance of rain. Lows in the
mid 30s. Northeast winds around 5 mph. 
.WEDNESDAY...Rain. Highs in the lower 40s. Northeast winds 5 to
10 mph. 
.WEDNESDAY NIGHT...Rain. Lows in the upper 30s. East winds 5 to
10 mph. 
.THURSDAY...Rain. Highs in the upper 40s. Southeast winds 5 to
10 mph, becoming southwest in the afternoon. 
.THURSDAY NIGHT...Mostly cloudy with a chance of rain showers.
Colder. Lows in the upper 20s. West winds 5 to 10 mph. 
.FRIDAY...Partly sunny. Colder. Highs in the upper 30s. West
winds 5 to 10 mph. 
.FRIDAY NIGHT AND SATURDAY...Partly cloudy. Lows in the lower
20s. Highs in the mid 30s. West winds 5 to 10 mph.