Spot Forecast
Issued by NWS Boston, MA
Issued by NWS Boston, MA
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244 FNUS71 KBOX 300056 FWSBOX Spot Forecast for Millis SAR...Millis Police National Weather Service Boston/Norton MA 856 PM EDT Wed May 29 2024 Forecast is based on forecast start time of 2200 EDT on May 29. If conditions become unrepresentative, contact the National Weather Service. .DISCUSSION... Mainly dry weather persists for the remainder of the evening...but widespread rain overspreads the region after midnight and persists into Thursday morning. The rain may be heavy for a time with even a rumble or two of thunder possible. A drying trend is expected for Thursday afternoon. Winds will be from the northeast at 5 to 15 mph. Overnight low temps will drop into the 50s with highs on Thursday only in the 60 to 65 degree range. .REST OF TONIGHT... Sky/weather.........Mostly cloudy. Scattered rain showers, then rain likely and slight chance of thunderstorms after midnight. CWR.................11 percent increasing to 93 percent late in the night. Chance of pcpn......60 percent. Chance of thunder...28 percent. Min temperature.....Around 53. Max humidity........90 percent. Dewpoint............53. Max apparent temp...64. Max apparent temp...64. Surface winds (mph).Light winds becoming north around 5 mph after midnight, then becoming light late in the night becoming north around 5 mph late in the night. Mixing height.......300 ft AGL. CEILING (KFT).......8.2 decreasing to 5.4. Visibility..........9 decreasing to 6 late in the night. Transport winds.....Northwest 2 to 3 mph shifting to the north 3 to 8 mph after midnight. Smoke dispersal.....Poor (600 knot-ft). LVORI...............4. ADI.................1 to 5. TIME (EDT) 10P 11P MID 1AM 2AM 3AM 4AM 5AM Sky (%).........76 84 86 89 92 93 94 95 Weather cov.....ISO SCT CHC CHC CHC CHC CHC LKY Weather type....RW RW RN RN RN RN RN RN Tstm cov........ ISO ISO SCH ISO CWR.............10 10 10 10 90 90 90 90 Chc of pcpn (%).20 30 40 50 50 50 50 60 Chc of thdr (%).20 20 20 20 30 20 30 30 Temp............64 63 62 61 60 59 58 57 Dewpoint........54 55 54 54 54 53 52 53 RH..............70 75 75 78 81 80 80 86 Heat index (F)..64 63 62 61 60 59 58 57 Wind chill (F)..64 63 62 61 60 59 58 57 Surface wnd dir.N NE NE N N N N N Surface wnd spd.1 2 3 3 5 3 5 5 Surface wnd gst.5 5 6 7 8 9 10 12 Mix hgt (kft)...1.0 0.3 0.4 0.5 0.5 0.5 0.5 0.5 Transp wind dir.W NW NW N N N N N Transp wind spd.2 2 3 3 5 6 7 8 LVORI...........3 4 4 4 5 5 4 5 ADI.............1 1 2 2 3 3 5 5 Vrate kt-ft/1K..2 1 1 1 2 3 3 4 Ventrate Cat....PR PR PR PR PR PR PR PR Ceiling (kft)...8.9 8.2 9.1 9.0 7.4 7.5 6.2 5.4 Visibility (sm).10 10 10 10 10 9 9 6 .THURSDAY... Sky/weather.........Mostly cloudy. Rain likely and slight chance of thunderstorms in the morning, then chance of rain in the afternoon. CWR.................100 percent decreasing to 22 percent late in the afternoon. Chance of pcpn......60 percent. Chance of thunder...28 percent. Max temperature.....Around 61. Min humidity........69 percent. Dewpoint............51. Max apparent temp...60. Max apparent temp...60. Surface winds (mph).North winds 5 to 8 mph. Mixing height.......2100 ft AGL. CEILING (KFT).......3.0 decreasing to 2.0 early in the morning, then decreasing to 1.2 early decreasing to 0.9 late in the morning increasing to 1.0 decreasing to 0.9 early in the afternoon increasing to 1.1 increasing to 2.2 late in the afternoon. Visibility..........6 decreasing to 4 early, then decreasing to 2.80 late in the morning increasing to 7 in the late morning and afternoon. Transport winds.....North 9 to 14 mph. Smoke dispersal.....Poor (5600 knot-ft) early in the morning increasing to fair (19800 knot-ft) in the afternoon. LVORI...............4. ADI.................7 to 16 increasing to 26 to 28. TIME (EDT) 6AM 7AM 8AM 9AM 10A 11A 12P 1PM 2PM 3PM 4PM 5PM Sky (%).........94 93 92 93 94 95 90 85 80 73 67 60 Weather cov.....LKY LKY LKY LKY CHC CHC CHC CHC CHC SCH SCH SCH Weather type....RN RN RN RN RN RN RN RN RN RN RN RN Tstm cov........ISO SCH ISO CWR.............90 90 100 100 100 100 100 100 20 20 20 20 Chc of pcpn (%).60 60 60 60 50 50 40 40 30 20 20 20 Chc of thdr (%).20 30 20 20 20 10 10 10 10 10 10 10 Temp............56 56 56 56 57 56 57 58 58 59 60 60 Dewpoint........52 53 52 52 51 51 50 51 51 51 51 50 RH..............86 90 86 86 80 83 77 77 77 75 72 69 Heat index (F)..56 56 56 56 57 56 57 58 58 59 60 60 Wind chill (F)..56 56 56 56 57 56 57 58 58 59 60 60 Surface wnd dir.NE N N N N N N N N N NE NE Surface wnd spd.5 5 6 7 8 8 7 8 8 8 7 6 Surface wnd gst.13 13 14 14 15 15 15 16 16 15 14 14 Mix hgt (kft)...0.7 0.9 1.1 1.1 1.2 1.3 1.5 1.6 1.8 1.9 2.0 2.1 Transp wind dir.N N N N N N N N N N N N Transp wind spd.9 12 13 13 14 14 14 13 13 12 12 10 LVORI...........5 5 4 4 3 4 3 3 3 3 3 3 ADI.............7 11 16 18 22 23 26 26 28 27 28 26 Vrate kt-ft/1K..6 9 12 13 15 16 18 18 20 19 20 19 Ventrate Cat....PR PR PR PR PR PR PR PR PR PR PR PR Ceiling (kft)...3.0 2.0 1.2 0.9 0.9 0.9 1.0 1.0 0.9 1.1 1.5 2.2 Visibility (sm).6 6 4 2.8 7 7 7 7 7 7 7 7 $$ Forecaster...Frank Requested by...Chief Soffayer Type of request...SAR .TAG 2415320.0/BOX .DELDT 05/29/24 .FormatterVersion 2.0.0 .EMAIL eberg@semrecc.gov