Spot Forecast
Issued by NWS Boston, MA
Issued by NWS Boston, MA
407
FNUS71 KBOX 032217
FWSBOX
Spot Forecast for Big River WX...RI DEM
National Weather Service Boston/Norton MA
617 PM EDT Wed Jun 3 2026
Forecast is based on forecast start time of 1900 EDT on June 03.
If conditions become unrepresentative, contact the National
Weather Service.
.DISCUSSION...
Dry weather continues through Friday night. Light and variable
winds tonight, becoming SW around 10 mph Thursday afternoon. Light
W to SW winds Thursday night, then SW around 10 mph Friday.
.REST OF TONIGHT...
Sky/weather.........Clear.
CWR.................0 percent.
Min temperature.....Around 57.
Max humidity........64 percent.
Dewpoint............46.
Max apparent temp...74.
Surface winds (mph).Southwest winds 6 to 8 mph shifting to the west
around 6 mph late in the night.
Wind (20 ft)........Southwest winds 6 to 7 mph.
Mixing height.......400 ft AGL.
Transport winds.....Southwest 12 to 13 mph shifting to the west 10
to 13 mph late in the night.
Smoke dispersal.....Poor (3600 knot-ft).
LVORI...............3.
ADI.................5 to 13.
CEILING (KFT).......25.
Eye level winds.....Southwest winds up to 5 mph shifting to the
west around 4 mph late in the night.
TIME (EDT) 7PM 8PM 9PM 10P 11P MID 1AM 2AM 3AM 4AM 5AM
Sky (%).........0 1 0 1 2 1 7 2 2 1 4
Weather cov.....
Weather type....
Tstm cov........
CWR.............0 0 0 0 0 0 0 0 0 0 0
Temp............74 70 64 61 60 59 59 59 58 57 57
Dewpoint........48 48 46 46 46 46 45 45 45 44 44
RH..............40 46 52 58 60 62 60 60 62 62 62
Heat index (F)..74 70 64 61 60 59 59 59 58 57 57
20 FT wind dir..S SW SW SW SW SW SW SW W W W
20 FT wind spd..8 7 6 6 6 6 6 6 6 6 6
20 FT wind gust.15 13 12 12 12 12 12 12 10 10 10
Eye lvl wnd dir.S SW SW SW SW SW SW SW W W W
Eye lvl wnd spd.5 4 4 4 4 4 4 4 4 4 4
Eye lvl wnd gst.9 8 7 7 7 7 7 7 6 6 6
Surface wnd dir.S SW SW SW SW SW SW SW W W W
Surface wnd spd.8 7 6 6 6 6 6 6 6 6 6
Surface wnd gst.15 13 12 12 12 12 12 12 10 10 10
Mix hgt (kft)...0.9 0.5 0.4 0.4 0.4 0.4 0.4 0.4 0.4 0.4 0.4
Transp wind dir.S S S SW SW W W W W W W
Transp wind spd.12 12 12 12 12 13 12 13 13 12 10
LVORI...........2 2 2 3 3 3 3 3 3 3 3
ADI.............13 5 5 5 5 6 5 6 6 5 10
Vrate kt-ft/1K..9 5 4 4 4 5 4 5 5 4 4
Ventrate Cat....PR PR PR PR PR PR PR PR PR PR PR
Ceiling (kft)...25 25 25 25 25 25 25 25 25 25 25
.THURSDAY...
Sky/weather.........Sunny.
CWR.................0 percent.
Max temperature.....Around 86.
Min humidity........32 percent.
Dewpoint............46 increasing to 51 through early afternoon.
Max apparent temp...83.
Surface winds (mph).West winds around 5 mph early in the morning
becoming light, then becoming west 5 to 10 mph
in the late morning and afternoon shifting to
the southwest.
Wind (20 ft)........West winds around 5 mph early in the morning
becoming light, then becoming west 5 to 10 mph
in the late morning and afternoon shifting to
the southwest.
Mixing height.......6600 ft AGL.
Transport winds.....West 9 to 16 mph.
Smoke dispersal.....Poor (3300 knot-ft) early in the morning
increasing to excellent (66300 knot-ft) in the
afternoon.
LVORI...............2.
ADI.................9 early in the morning increasing to 83 in the
afternoon.
CEILING (KFT).......25.
Eye level winds.....West winds around 3 mph early in the morning
becoming light, then becoming west up to 6 mph
in the late morning and afternoon shifting to
the southwest.
TIME (EDT) 6AM 7AM 8AM 9AM 10A 11A 12P 1PM 2PM 3PM 4PM 5PM
Sky (%).........2 1 1 1 1 2 0 0 6 1 1 1
Weather cov.....
Weather type....
Tstm cov........
CWR.............0 0 0 0 0 0 0 0 0 0 0 0
Temp............58 60 64 71 76 80 82 84 85 84 84 85
Dewpoint........45 48 50 52 53 53 53 53 52 53 53 53
RH..............62 64 60 51 45 39 37 34 32 34 34 33
Heat index (F)..58 60 64 71 76 80 81 83 83 83 83 83
20 FT wind dir..W W W W W W W W W SW SW SW
20 FT wind spd..5 5 3 5 5 6 7 8 8 9 10 10
20 FT wind gust.10 9 8 8 12 13 14 15 16 18 18 20
Eye lvl wnd dir.W W W W W W W W W SW SW SW
Eye lvl wnd spd.3 3 2 3 3 4 4 5 5 5 6 6
Eye lvl wnd gst.6 5 5 5 7 8 8 9 10 11 11 12
Surface wnd dir.W W W W W W W W W SW SW SW
Surface wnd spd.5 5 3 5 5 6 7 8 8 9 10 10
Surface wnd gst.10 9 8 8 12 13 14 15 16 18 18 20
Mix hgt (kft)...0.4 0.4 0.6 1.2 2.1 3.9 5.4 6.3 6.6 5.6 5.0 2.8
Transp wind dir.W W W W W W W W W SW SW SW
Transp wind spd.10 9 9 9 9 10 10 10 12 12 13 16
LVORI...........3 3 3 2 2 1 1 1 1 1 1 1
ADI.............10 9 9 15 25 51 64 72 83 73 73 57
Vrate kt-ft/1K..4 3 5 10 17 35 49 57 66 56 55 40
Ventrate Cat....PR PR PR PR PR PR FR FR GD FR FR PR
Ceiling (kft)...25 25 25 25 25 25 25 25 25 25 25 25
.THURSDAY NIGHT...
Sky/weather.........Mostly clear.
CWR.................0 percent.
Min temperature.....Around 59.
Max humidity........69 percent.
Dewpoint............51 decreasing to 48 early in the morning.
Max apparent temp...81.
Surface winds (mph).Southwest winds 5 to 10 mph shifting to the
west 5 to 6 mph early in the morning.
Wind (20 ft)........Southwest winds around 10 mph shifting to the
west early in the morning.
Mixing height.......400 ft AGL.
Transport winds.....West 10 to 16 mph decreasing to around 12 mph
early in the morning.
Smoke dispersal.....Fair (25700 knot-ft) early in the evening
decreasing to poor (3800 knot-ft) late in the
night.
LVORI...............2.
ADI.................5 to 38.
CEILING (KFT).......25.
Eye level winds.....Southwest winds up to 6 mph shifting to the
west up to 4 mph early in the morning.
TIME (EDT) 6PM 7PM 8PM 9PM 10P 11P MID 1AM 2AM 3AM 4AM 5AM
Sky (%).........1 11 13 9 19 27 2 25 8 15 20 12
Weather cov.....
Weather type....
Tstm cov........
CWR.............0 0 0 0 0 0 0 0 0 0 0 0
Temp............82 78 75 68 65 64 63 62 61 60 59 59
Dewpoint........53 53 52 50 50 50 50 49 49 49 49 48
RH..............37 42 45 53 58 60 62 62 65 67 69 67
Heat index (F)..81 78 75 68 65 64 63 62 61 60 59 59
20 FT wind dir..SW SW SW SW SW SW W W W W W W
20 FT wind spd..10 9 8 7 7 7 6 6 6 5 5 6
20 FT wind gust.20 16 15 14 13 12 12 10 10 10 10 10
Eye lvl wnd dir.SW SW SW SW SW SW W W W W W W
Eye lvl wnd spd.6 5 5 4 4 4 4 4 4 3 3 4
Eye lvl wnd gst.12 10 9 8 8 7 7 6 6 6 6 6
Surface wnd dir.SW SW SW SW SW SW W W W W W W
Surface wnd spd.10 9 8 7 7 7 6 6 6 5 5 6
Surface wnd gst.20 16 15 14 13 12 12 10 10 10 10 10
Mix hgt (kft)...1.8 0.9 0.5 0.5 0.5 0.5 0.5 0.5 0.4 0.4 0.4 0.4
Transp wind dir.SW SW SW SW W W W W W W W W
Transp wind spd.16 14 13 13 13 12 12 12 12 10 12 12
LVORI...........1 2 2 2 3 3 3 3 3 3 3 3
ADI.............38 16 8 6 6 5 5 5 5 5 5 11
Vrate kt-ft/1K..26 11 5 5 5 5 5 5 4 4 4 4
Ventrate Cat....PR PR PR PR PR PR PR PR PR PR PR PR
Ceiling (kft)...25 25 25 25 25 25 25 25 25 25 25 25
.FRIDAY...
Sky/weather.........Sunny.
CWR.................0 percent.
Max temperature.....Around 88.
Min humidity........29 percent.
Dewpoint............50 increasing to 53 through early afternoon.
Max apparent temp...86.
Surface winds (mph).West winds 5 to 9 mph.
Wind (20 ft)........West winds 5 to 9 mph.
Mixing height.......6200 ft AGL.
Transport winds.....West 10 to 14 mph.
Smoke dispersal.....Poor (3800 knot-ft) early in the morning
increasing to excellent (73900 knot-ft) in the
afternoon.
LVORI...............2.
ADI.................10 early in the morning increasing to 94 in the
afternoon.
CEILING (KFT).......22.
Eye level winds.....West winds up to 5 mph.
TIME (EDT) 6AM 7AM 8AM 9AM 10A 11A 12P 1PM 2PM 3PM 4PM 5PM
Sky (%).........19 13 25 4 19 34 36 37 39 39 39 39
Weather cov.....
Weather type....
Tstm cov........
CWR.............0 0 0 0 0 0 0 0 0 0 0 0
Temp............60 63 69 74 79 82 84 86 87 88 87 86
Dewpoint........49 51 54 55 54 53 52 52 52 52 53 54
RH..............67 65 59 51 42 37 33 31 30 29 31 34
Heat index (F)..60 63 69 74 79 81 82 84 85 86 85 84
20 FT wind dir..W W W NW W W W W W W W SW
20 FT wind spd..6 5 5 5 6 7 8 8 8 8 9 9
20 FT wind gust.10 9 8 9 10 12 13 13 14 15 16 16
Eye lvl wnd dir.W W W NW W W W W W W W SW
Eye lvl wnd spd.4 3 3 3 4 4 5 5 5 5 5 5
Eye lvl wnd gst.6 5 5 5 6 7 8 8 8 9 10 10
Surface wnd dir.W W W NW W W W W W W W SW
Surface wnd spd.6 5 5 5 6 7 8 8 8 8 9 9
Surface wnd gst.10 9 8 9 10 12 13 13 14 15 16 16
Mix hgt (kft)...0.4 0.5 0.8 1.9 3.4 4.9 5.8 6.2 6.1 5.9 5.4 4.5
Transp wind dir.W W NW NW NW NW NW W W W W W
Transp wind spd.10 12 12 12 13 14 14 14 14 14 14 14
LVORI...........3 2 2 2 1 1 1 1 1 1 1 1
ADI.............10 11 12 29 56 78 89 94 94 92 85 73
Vrate kt-ft/1K..4 5 8 19 38 59 69 74 74 71 64 54
Ventrate Cat....PR PR PR PR PR FR GD GD GD GD GD FR
Ceiling (kft)...24 24 23 23 23 24 23 23 23 23 22 22
$$
Forecaster...Belk
Requested by...Ben Arnold
Type of request...WILDFIRE
.TAG 2614924.0/BOX
.DELDT 06/03/26
.FormatterVersion 2.0.0
.EMAIL ben.arnold@dem.ri.gov