Spot Forecast
Issued by NWS Caribou, ME
Issued by NWS Caribou, ME
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FNUS71 KCAR 211800
FWSCAR
Spot Forecast for Machias River Unit RX...Maine Forest Service
National Weather Service Caribou ME
200 PM EDT Mon Sep 21 2026
Forecast is based on ignition time of 1500 EDT on September 21.
If conditions become unrepresentative...contact the National Weather
Service.
Please contact NWS Caribou at 207-492-0166 with any further questions.
.DISCUSSION...
Minimum RHs in the 60-65 percent range today, with good overnight
recovery. Decreasing minimum RH trend Tuesday and Wednesday,
generally in the 40-50 percent range. Winds from the north for the
rest of the evening, tonight, and into tomorrow. Wind gusts
around 14-16mph possible this evening and Tuesday afternoon. Dry
conditions until Friday.
Weather Coverage Abbreviations... SCH=Slight Chance, ISO=Isolated,
CHC=Chance, SCT=Scattered, LKY=Likely, NUM=Numerous,
DEF=Definite, WID=Widespread, OCL=Occasional, PDS=Periods,
ARS=Areas, PTY=Patchy
Weather Type Abbreviations... DYT=Dry Thunderstorms, TSM=Thunderstorms,
SN=Snow, RN=Rain, SW=Snow Showers, RW=Rain Showers,
DZL=Drizzle, FZR=Freezing Rain, FZD=Freezing Drizzle, SLT=Sleet,
FZF=Freezing Fog, IFG=Ice Fog, HAZ=Haze, BSN=Blowing Snow,
SMK=Smoke, FST=Frost, FZS=Freezing Spray, RS=Rain/Snow,
DZF=Drizzle/Fog, SNF=Snow/Fog, RNF=Rain/Fog,
ZRS=Freezing Rain/Snow
Other Abbreviations... NA=Not Available, M=Missing
.REST OF TODAY...
Sky/weather.........Mostly sunny (35-45 percent).
CWR.................0 percent.
Chance of thunder...0 percent.
Max temperature.....Around 64.
Min humidity........62 percent.
Wind chill..........61.
Eye level winds.....North winds around 4 mph.
Wind shift..........
Mixing height.......4800 ft AGL.
Transport winds.....North around 15 mph.
Smoke dispersal.....Good (51200 knot-ft) early in the morning
increasing to excellent (62100 knot-ft) in the
afternoon.
LVORI...............1.
ADI.................74 to 78.
Pcpn amount.........0.00 inches.
TIME (EDT) 3PM 4PM 5PM
Sky (%).........42 42 42
Weather cov.....
Weather type....
Tstm cov........
CWR.............0 0 0
Chc of thdr (%).0 0 0
Temp............64 63 61
RH..............63 62 65
Wind chill (F)..64 63 61
Eye lvl wnd dir.N N N
Eye lvl wnd spd.4 4 4
Eye lvl wnd gst.10 10 8
Mix hgt (kft)...4.5 4.8 3.9
Transp wind dir.N N N
Transp wind spd.15 15 15
LVORI...........1 1 1
ADI.............78 76 74
Vrate kt-ft/1K..59 62 51
Ventrate Cat....FR GD FR
.TONIGHT...
Sky/weather.........Partly cloudy (30-40 percent) then becoming
mostly cloudy (55-65 percent).
CWR.................0 percent.
Chance of thunder...0 percent.
Min temperature.....Around 42.
Max humidity........100 percent.
Wind chill..........40.
Eye level winds.....North winds around 4 mph in the evening
becoming light.
Wind shift..........
Mixing height.......400 ft AGL.
Transport winds.....North 9 to 13 mph.
Smoke dispersal.....Poor (3300 knot-ft).
LVORI...............6.
ADI.................12 to 19 decreasing to 5 to 7 early in the
evening.
Pcpn amount.........0.00 inches.
TIME (EDT) 6PM 7PM 8PM 9PM 10P 11P MID 1AM 2AM 3AM 4AM 5AM
Sky (%).........39 37 34 30 25 21 30 40 49 55 62 68
Weather cov.....
Weather type....
Tstm cov........
CWR.............0 0 0 0 0 0 0 0 0 0 0 0
Chc of thdr (%).0 0 0 0 0 0 0 0 0 0 0 0
Temp............58 55 52 51 50 48 46 45 44 44 43 43
RH..............69 74 89 89 86 89 93 96 96 96 100 100
Wind chill (F)..58 55 52 51 48 47 45 44 42 42 41 40
Eye lvl wnd dir.N N N N N N N N N N N N
Eye lvl wnd spd.4 4 4 3 3 2 2 2 2 2 2 3
Eye lvl wnd gst.8 7 7 5 5 4 4 4 4 4 4 5
Mix hgt (kft)...0.9 0.5 0.5 0.5 0.5 0.4 0.4 0.4 0.4 0.4 0.4 0.4
Transp wind dir.N N N N N N N N N N N N
Transp wind spd.13 13 13 13 12 10 10 10 9 9 10 9
LVORI...........3 4 7 7 7 7 9 9 9 9 9 8
ADI.............19 12 5 5 5 5 5 5 5 5 5 7
Vrate kt-ft/1K..10 5 5 5 5 4 4 4 3 3 4 3
Ventrate Cat....PR PR PR PR PR PR PR PR PR PR PR PR
.TUESDAY...
Sky/weather.........Mostly cloudy (65-75 percent) then becoming
sunny (20-30 percent).
CWR.................0 percent.
Chance of thunder...0 percent.
Max temperature.....Around 61.
Min humidity........50 percent.
Wind chill..........39.
Eye level winds.....North winds around 4 mph.
Wind shift..........
Mixing height.......4800 ft AGL.
Transport winds.....North 9 to 14 mph.
Smoke dispersal.....Poor (3300 knot-ft) early in the morning
increasing to good (53100 knot-ft) in the
afternoon.
LVORI...............8 early in the morning.
ADI.................7 to 12 early in the morning.
Pcpn amount.........0.00 inches.
TIME (EDT) 6AM 7AM 8AM 9AM 10A 11A 12P 1PM 2PM 3PM 4PM 5PM
Sky (%).........71 75 78 63 48 34 29 25 21 14 8 1
Weather cov.....
Weather type....
Tstm cov........
CWR.............0 0 0 0 0 0 0 0 0 0 0 0
Chc of thdr (%).0 0 0 0 0 0 0 0 0 0 0 0
Temp............42 42 46 50 52 55 57 59 61 61 61 60
RH..............100 100 96 89 83 64 57 55 51 50 50 51
Wind chill (F)..39 39 44 48 52 55 57 59 61 61 61 60
Eye lvl wnd dir.N N N N N N N N N N N N
Eye lvl wnd spd.3 3 3 4 4 4 4 4 4 4 4 3
Eye lvl wnd gst.5 5 5 7 7 8 8 8 8 7 7 5
Mix hgt (kft)...0.4 0.5 1.1 1.6 2.3 3.3 4.0 4.4 4.7 4.8 4.8 3.8
Transp wind dir.N N N N N N N N N N N N
Transp wind spd.9 9 13 14 13 14 13 13 12 13 13 12
LVORI...........8 7 M M M M M M M M M M
ADI.............7 12 M M M M M M M M M M
Vrate kt-ft/1K..3 4 12 19 25 40 44 48 47 53 53 38
Ventrate Cat....PR PR PR PR PR FR FR FR FR FR FR PR
$$
Forecaster...ASB
Requested by...Sgt. Brian Getchell
Type of request...PRESCRIBED
.TAG 2622250.0/CAR
.DELDT 09/21/26
.FormatterVersion 2.0.0
.EMAIL brian.j.getchell@maine.gov