FNUS71 KBOX 150759 FWSBOX Spot Forecast for Frances Crane WMA South 4/15/2026...MassWildlife National Weather Service Boston/Norton MA 359 AM EDT Wed Apr 15 2026 Forecast is based on ignition time of 0900 EDT on April 15. If conditions become unrepresentative, contact the National Weather Service. .DISCUSSION... For Frances Crane WMA South, mostly dry across the upper Cape today. Light SW winds this morning will shift more NW around 9 AM, then become S-SE around noon. Winds should remain mostly below 10 MPH, sustained around 5 MPH. Minimum relative humidity this afternoon will be around 60 percent. A low chance for some showers and thunderstorms exists today mostly after 8 PM, which could have occasional heavy downpours. Some showers just before 8 PM cannot be completely ruled out, but confidence in that happening is low. High temperatures today may reach the upper 60s to low 70s. .REST OF TODAY... Sky/weather.........Mostly sunny. CWR.................4 percent. Max temperature.....Around 67. Min humidity........63 percent. Dewpoint............53. Max apparent temp...67. Surface winds (mph).Northwest winds around 5 mph late in the morning becoming light, then becoming southeast 5 to 8 mph late in the afternoon. Wind (20 ft)........Northwest winds around 5 mph late in the morning becoming light, then becoming southeast 5 to 8 mph late in the afternoon. Mixing height.......2000 ft AGL. Transport winds.....Northwest 7 to 9 mph shifting to the southwest 8 to 12 mph in the afternoon. Smoke dispersal.....Poor (5100 knot-ft) early in the morning increasing to fair (14000 knot-ft) in the afternoon. LVORI...............4. ADI.................1 to 21. CEILING (KFT).......5.0 increasing to 20, then decreasing to 10 early in the afternoon decreasing to 6.0 early in the afternoon increasing to 10 decreasing to 3.0 late in the afternoon decreasing to 2.5 decreasing to 1.0 late in the afternoon. TIME (EDT) 9AM 10A 11A 12P 1PM 2PM 3PM 4PM 5PM Sky (%).........45 34 49 54 51 42 41 45 64 Weather cov..... Weather type.... Tstm cov........ CWR.............0 0 0 0 0 0 0 0 0 Temp............59 63 66 66 67 66 66 66 62 Dewpoint........55 55 55 55 55 54 53 53 52 RH..............87 75 68 68 65 65 63 63 70 Heat index (F)..59 63 66 66 67 66 66 66 62 20 FT wind dir..NW NW NW NW S S SE SE S 20 FT wind spd..5 5 5 3 2 5 8 8 8 20 FT wind gust.9 9 8 7 7 8 10 10 12 Surface wnd dir.NW NW NW NW S S SE SE S Surface wnd spd.5 5 5 3 2 5 8 8 8 Surface wnd gst.9 9 8 7 7 8 10 10 12 Mix hgt (kft)...0.6 1.4 1.7 2.0 2.0 1.8 1.5 1.2 0.8 Transp wind dir.NW NW NW W SW S SW S S Transp wind spd.9 9 8 7 8 8 9 10 12 LVORI...........5 3 3 3 3 2 2 2 4 ADI.............9 17 17 18 21 19 18 16 1 Vrate kt-ft/1K..5 11 12 12 14 13 12 11 8 Ventrate Cat....PR PR PR PR PR PR PR PR PR Ceiling (kft)...5.0 20 20 10 6.0 10 3.0 2.5 1.0 .TONIGHT... Sky/weather.........Mostly cloudy. Chance of showers and thunderstorms through the night. Patchy fog until just after midnight. CWR.................5 percent increasing to 23 percent until just after midnight. Min temperature.....Around 48. Max humidity........100 percent. Dewpoint............50. Max apparent temp...60. Surface winds (mph).South winds 6 to 8 mph in the evening shifting to the southwest 6 to 7 mph, then shifting to the west 5 to 6 mph after midnight becoming light. Wind (20 ft)........South winds around 8 mph early in the evening decreasing to 6 to 7 mph, then shifting to the west 5 to 7 mph after midnight becoming light. Gusty and erratic winds expected near thunderstorms until just after midnight. Mixing height.......400 ft AGL. Transport winds.....Southwest 10 to 14 mph shifting to the west 6 to 10 mph after midnight. Smoke dispersal.....Poor (2000 knot-ft). LVORI...............7. ADI.................3 to 14. CEILING (KFT).......0.8 decreasing to 0.3 late in the evening, then increasing to 0.8 after midnight increasing to 1.0 early in the morning increasing to 1.5. TIME (EDT) 6 PM 8 PM 10 PM MIDNGT 2 AM 4 AM Sky (%).........69 86 93 92 90 87 Weather cov..... CHANCE CHANCE CHANCE CHANCE CHANCE Weather type....NONE RNSHWR RNSHWR RNSHWR RNSHWR RNSHWR Tstm cov........ CHANCE CHANCE CHANCE S CHC S CHC CWR.............0 20 20 20 20 20 Temp............60 54 53 52 50 49 Dewpoint........51 50 49 49 50 49 RH..............72 86 86 89 100 100 Heat index (F)..60 54 53 52 48 48 20 ft wind......S 8 S 6 S 6 SW 7 W 6 SW 3 20 ft wind gust.10 10 10 13 13 10 Surface wind....S 8 S 6 S 6 SW 7 W 6 SW 3 Surface wnd gst.10 10 10 13 13 10 Mix hgt (ft)....700 500 500 500 400 400 Transport wind..S 14 SW 10 SW 12 W 10 W 7 W 6 LVORI...........4 6 5 6 9 10 ADI.............14 7 8 5 3 3 Vrate kt-ft/1K..9 4 5 4 2 2 Ventrate Cat....POOR POOR POOR POOR POOR POOR Ceiling (kft)...0.8 0.8 0.3 0.3 0.8 1.0 .THURSDAY... Sky/weather.........Mostly cloudy. Patchy fog in the morning. Slight chance of showers and thunderstorms early in the morning. CWR.................15 percent decreasing to 4 percent through early afternoon. Max temperature.....Around 62. Min humidity........75 percent. Dewpoint............50 increasing to 53 early. Max apparent temp...61. Surface winds (mph).Light winds becoming south around 5 mph early, then shifting to the east late in the morning shifting to the southeast shifting to the southwest 6 to 9 mph. Wind (20 ft)........Southwest winds 5 to 9 mph shifting to the east around 5 mph late in the morning, then shifting to the southeast shifting to the southwest 6 to 9 mph early. Gusty and erratic winds expected near thunderstorms early in the morning. Mixing height.......1000 ft AGL. Transport winds.....Southwest 6 to 9 mph. Smoke dispersal.....Poor (2000 knot-ft). LVORI...............7. ADI.................1 to 12. CEILING (KFT).......1.0 increasing to 8.0. TIME (EDT) 6 AM 8 AM 10 AM NOON 2 PM 4 PM Sky (%).........83 78 71 65 56 67 Weather cov.....S CHC PATCHY Weather type....RN/FG FOG NONE NONE NONE NONE Tstm cov........S CHC CWR.............10 0 0 0 0 0 Temp............48 51 56 60 61 61 Dewpoint........48 50 52 54 54 53 RH..............100 96 86 81 78 75 Heat index (F)..47 51 56 60 61 61 20 ft wind......SW 3 S 5 SE 5 SW 7 SW 9 S 9 20 ft wind gust.8 9 10 13 15 16 Surface wind....SW 3 S 5 SE 5 SW 7 SW 9 S 9 Surface wnd gst.8 9 10 13 15 16 Mix hgt (ft)....400 500 800 900 1000 900 Transport wind..W 6 W 8 W 7 W 8 W 9 SW 9 LVORI...........9 10 6 4 4 3 ADI.............6 1 1 1 12 11 Vrate kt-ft/1K..2 4 5 6 8 6 Ventrate Cat....POOR POOR POOR POOR POOR POOR Ceiling (kft)...1.0 1.1 3.4 5.7 8.0 8.5 $$ Forecaster...Hrencecin Requested by...Alex Entrup Type of request...PRESCRIBED .TAG 2610301.1/BOX .DELDT 04/15/26 .FormatterVersion 2.0.0 .EMAIL alex.entrup@mass.gov