Fire Weather Discussion
Fire Weather Planning Forecast for Southern New England
National Weather Service Boston/Norton MA
405 AM EDT Thu Mar 23 2023
.DISCUSSION...
Scattered rain showers across southern New England today. Will
have increasing southwesterly winds with gusts of 20-30 mph
developing in the afternoon. Drier weather returns on Friday with
a mix of sun and clouds.
Minimum relative humidities range from 50 to 80 percent today. On
Friday, minimum relative humidities range from 35 to 50 percent.
.OUTLOOK...Saturday through Wednesday...
Accumulating wintry mix across the higher terrain on Saturday
with a cold rain elsewhere. Drier weather returns Sunday into
early Monday. Unsettled weather returns by midweek.
232100-
Southeast Middlesex MA-
Including the cities of Cambridge, Lexington, Newton, Waltham,
and Woburn
405 AM EDT Thu Mar 23 2023
Today Tonight Fri
Cloud Cover Mcldy Pcldy Pcldy
Precip Type Showers Showers None
Chance Precip (%) 30 40
Temp (24h trend) 60 (+9) 41 (0) 52
RH % (24h trend) 55 (+11) 83 (-10) 36
20ft Wnd AM(mph) Lgt/Var NW 8 G17
20ft Wnd PM(mph) SW 9 G21 SW 9 G18 NW 9
Precip Amount 0.03 0.03 0.00
Precip Duration 1 1
Precip Begin 12 PM Continuing
Precip End Continuing 11 PM
Mixing Hgt (ft-AGL) 2960 500 4550
Transport Wnd (kts) SW 21 NW 16 NW 15
Vent Rate (kt-ft) 62160 8000 68250
Max ADI Early 27 Fair 21 Fair 77 Good
Max ADI Late 56 Gen Good 18 Gen Poor 76 Good
Max LVORI Early 2 3 1
Max LVORI Late 2 3 1
Min Vsby Early
Min Vsby Late
Sunshine Hours N/A N/A N/A
CWR 20 20 0
LAL No Tstms No Tstms No Tstms
Haines Index 3 4 5
Remarks...None.
.FORECAST FOR DAYS 3 THROUGH 7...
.FRIDAY NIGHT...Mostly cloudy. Lows in the lower 30s. North winds
5 to 10 mph.
.SATURDAY AND SATURDAY NIGHT...Rain. Lows 33 to 38. Highs in the
lower 40s. East winds 10 to 15 mph.
.SUNDAY...Partly sunny with a chance of rain. Not as cool. Highs
in the lower 50s. West winds 10 to 15 mph.
.SUNDAY NIGHT AND MONDAY...Mostly clear. Lows in the mid 30s.
Highs in the lower 50s. Northwest winds 10 to 15 mph.
.MONDAY NIGHT...Partly cloudy with a chance of snow. Lows in the
lower 30s. North winds around 10 mph.
.TUESDAY AND TUESDAY NIGHT...Mostly cloudy. A chance of rain and
snow. Lows in the mid 30s. Highs in the upper 40s. North winds
10 to 15 mph.
.WEDNESDAY...Partly sunny. Highs in the mid 40s. Northwest winds
15 to 20 mph.