930
FNUS71 KBOX 050826
FWSBOX

Spot Forecast for Hopkins Hill Fire...RI DEM
National Weather Service Boston/Norton MA
426 AM EDT Tue May 5 2026

Forecast is based on forecast start time of 0700 EDT on May 05.
If conditions become unrepresentative, contact the National
Weather Service.

...WIND ADVISORY IN EFFECT FROM NOON TODAY TO 10 PM EDT THIS
EVENING...

.DISCUSSION...

Dry and windy today with warmer temperatures in the upper 60s to
70F. Southwest winds gust to 30 to 40 mph. Minimum relative
humidities are 45 to 55 percent.

An approaching cold front may bring widespread showers Wednesday
afternoon into Wednesday night. Ahead of the rain, it will be
breezy Wednesday with southwest gusts to 20 to 30 mph. Minimum
relative humidity will be 60 to 70 percent.

.TONIGHT...

Sky/weather.........Mostly clear then becoming mostly cloudy.
CWR.................0 percent.
Min temperature.....Around 54.
Max humidity........90 percent.
Dewpoint............50.
Surface winds (mph).Southwest winds 15 to 22 mph. Gusts up to 43
                    mph decreasing to 31 mph until just after
                    midnight.
Wind (20 ft)........Southwest winds 15 to 22 mph. Gusts up to 43
                    mph decreasing to 31 mph until just after
                    midnight.
Mixing height.......400 ft AGL.
Transport winds.....Southwest 21 to 30 mph decreasing to around 20
                    mph early in the morning.
Smoke dispersal.....Fair (22800 knot-ft) early in the evening
                    decreasing to poor (9700 knot-ft) late in the
                    night.
LVORI...............3.
CEILING (KFT).......25 decreasing to 2.5.
Eye level winds.....Southwest winds 9 to 13 mph. Gusts up to 43 mph
                    decreasing to 31 mph until just after midnight.

TIME (EDT)      6PM 7PM 8PM 9PM 10P 11P MID 1AM 2AM 3AM 4AM 5AM
Sky (%).........6   14  36  33  31  54  45  62  53  58  57  60
Weather cov.....
Weather type....
Tstm cov........
CWR.............0   0   0   0   0   0   0   0   0   0   0   0
Temp............64  62  60  57  57  57  56  56  56  56  56  55
Dewpoint........50  49  48  49  50  50  51  51  52  51  51  52
RH..............60  62  64  75  77  77  83  83  86  83  83  90
20 FT wind dir..SW  SW  SW  SW  SW  SW  SW  SW  SW  SW  S   S
20 FT wind spd..22  21  20  20  18  18  18  17  17  16  16  15
20 FT wind gust.43  37  31  30  30  29  28  28  26  26  25  25
Eye lvl wnd dir.SW  SW  SW  SW  SW  SW  SW  SW  SW  SW  S   S
Eye lvl wnd spd.13  13  12  12  11  11  11  10  10  10  10  9
Eye lvl wnd gst.26  22  19  18  18  17  17  17  16  16  15  15
Surface wnd dir.SW  SW  SW  SW  SW  SW  SW  SW  SW  SW  S   S
Surface wnd spd.22  21  20  20  18  18  18  17  17  16  16  15
Surface wnd gst.43  37  31  30  30  29  28  28  26  26  25  25
Mix hgt (kft)...0.9 0.6 0.4 0.4 0.5 0.5 0.6 0.8 0.7 0.7 0.7 0.6
Transp wind dir.SW  SW  SW  SW  SW  SW  SW  SW  SW  SW  SW  SW
Transp wind spd.30  29  28  26  26  25  24  24  23  22  21  20
LVORI...........2   2   2   3   3   3   4   4   4   4   4   4
Vrate kt-ft/1K..23  16  10  10  11  12  14  16  14  13  12  11
Ventrate Cat....PR  PR  PR  PR  PR  PR  PR  PR  PR  PR  PR  PR
Ceiling (kft)...25  25  25  25  20  13  12  11  10  7.0 5.0 2.5

.WEDNESDAY...

Sky/weather.........Mostly cloudy. Slight chance of rain early in
                    the afternoon. Chance of rain early in the
                    afternoon, then rain likely late in the
                    afternoon.
CWR.................0 percent increasing to 80 percent late in the
                    afternoon.
Max temperature.....Around 64.
Min humidity........70 percent.
Dewpoint............52.
Surface winds (mph).South winds 14 to 16 mph with gusts to around
                    29 mph.
Wind (20 ft)........South winds 14 to 16 mph with gusts to around
                    29 mph.
Mixing height.......2100 ft AGL.
Transport winds.....Southwest 20 to 29 mph.
Smoke dispersal.....Poor (10700 knot-ft) early in the morning
                    increasing to good (51800 knot-ft) in the
                    afternoon.
LVORI...............3.
CEILING (KFT).......2.0 decreasing to 1.5 early in the morning,
                    then decreasing to 1.0 early increasing to 1.5
                    in the late morning and early afternoon
                    decreasing to 1.0 decreasing to 0.8 late in the
                    afternoon.
Eye level winds.....South winds 8 to 10 mph with gusts to around 17
                    mph.

TIME (EDT)      6AM 7AM 8AM 9AM 10A 11A 12P 1PM 2PM 3PM 4PM 5PM
Sky (%).........63  68  77  76  80  83  84  86  87  88  88  89
Weather cov.....                        SCH CHC CHC CHC LKY LKY
Weather type....                        RN  RN  RN  RN  RN  RN
Tstm cov........
CWR.............0   0   0   0   0   0   0   0   80  80  80  80
Temp............54  56  57  59  61  63  63  63  62  62  61  60
Dewpoint........51  52  52  53  54  54  54  53  53  53  53  53
RH..............90  86  83  80  78  72  72  70  72  72  75  78
20 FT wind dir..S   S   S   SW  SW  S   S   S   S   S   S   S
20 FT wind spd..15  14  14  15  16  16  16  16  16  16  15  15
20 FT wind gust.25  25  25  24  25  26  28  29  29  29  28  26
Eye lvl wnd dir.S   S   S   SW  SW  S   S   S   S   S   S   S
Eye lvl wnd spd.9   8   8   9   10  10  10  10  10  10  9   9
Eye lvl wnd gst.15  15  15  14  15  16  17  17  17  17  17  16
Surface wnd dir.S   S   S   SW  SW  S   S   S   S   S   S   S
Surface wnd spd.15  14  14  15  16  16  16  16  16  16  15  15
Surface wnd gst.25  25  25  24  25  26  28  29  29  29  28  26
Mix hgt (kft)...0.6 1.2 1.3 1.7 1.9 2.0 2.1 2.1 2.0 1.9 1.6 1.4
Transp wind dir.SW  SW  SW  SW  SW  SW  SW  SW  SW  SW  SW  SW
Transp wind spd.20  21  25  26  28  29  29  29  29  28  26  25
LVORI...........4   4   4   3   3   3   3   1   3   3   3   3
Vrate kt-ft/1K..11  21  30  40  47  50  52  52  50  45  38  30
Ventrate Cat....PR  PR  PR  PR  FR  FR  FR  FR  FR  FR  PR  PR
Ceiling (kft)...2.0 1.5 1.0 1.5 1.5 1.5 1.5 1.5 1.5 1.0 1.0 0.8

$$
Forecaster...Dooley
Requested by...MacMeekin
Type of request...WILDFIRE
.TAG 2612722.0/BOX
.DELDT 05/05/26
.FormatterVersion 2.0.0
.EMAIL patrick.macmeekin@dem.ri.gov