480 FNUS71 KBOX 061849 FWSBOX Spot Forecast for Worcester Pride Festival...Massachusetts Emergency Management National Weather Service Boston/Norton MA 249 PM EDT Sat Sep 6 2025 Forecast is based on forecast start time of 1400 EDT on September 06. If conditions become unrepresentative, contact the National Weather Service. .DISCUSSION... A Severe Thunderstorm Watch is in effect until 8pm. Expect thunderstorms to impact the Worcester area starting about 330pm through roughly 530pm. The thunderstorms could produce wind gusts in excess of 40mph, especially as the storm arrives, along with heavy rain and lightning. Additional showers may develop later this evening as well. .REST OF TODAY... Sky/weather.........Partly sunny. Scattered showers and thunderstorms late in the afternoon, then showers and thunderstorms likely late in the afternoon. Chance of pcpn......60 percent. Chance of pcpn......60 percent. Chance of pcpn......60 percent. Chance of rain......30 percent. Chance of thunder...42 percent. Begin/end of pcpn... Max temperature.....Around 85. Min humidity........69 percent. Max apparent temp...87. Max apparent temp...87. Max apparent temp...87. Eye level winds.....Southwest winds around 8 mph with gusts to around 17 mph. Surface winds (mph).Southwest winds 13 to 14 mph with gusts to around 28 mph. Wind (20 ft)........Southwest winds 13 to 14 mph with gusts to around 28 mph. Gusty and erratic winds expected near thunderstorms. 100 FT WIND......... Rainfall amount.....0.34 inches. Pcpn amount.........0.34 inches. CEILING (KFT).......5.0 decreasing to 2.5. Visibility..........10 decreasing to 2.00. Mixing height.......4800 ft AGL. Transport winds.....Southwest 25 to 30 mph. Smoke dispersal.....Excellent (64600 knot-ft). LVORI...............4. ADI.................1 early in the morning increasing to 90 in the afternoon. TIME (EDT) 2PM 3PM 4PM 5PM Sky (%).........58 55 60 69 Weather cov.....SCT SCT SCT LKY Weather type....RW RW RW RW Tstm cov........SCT SCT SCT LKY Chc of pcpn (%).30 40 50 60 Chc of rain (%).20 20 20 30 Chc of thdr (%).20 30 40 40 Temp............82 82 80 77 RH..............72 69 74 82 Heat index (F)..87 86 83 77 Wind chill (F)..87 86 83 77 Aparnt tmp (F)..87 86 83 77 20 FT wind dir..S S S SW 20 FT wind spd..14 13 13 14 20 FT wind gust.28 24 24 26 Eye lvl wnd dir.S S S SW Eye lvl wnd spd.8 8 8 8 Eye lvl wnd gst.17 14 14 16 Surface wnd dir.S S S SW Surface wnd spd.14 13 13 14 Surface wnd gst.28 24 24 26 Mix hgt (kft)...4.6 4.8 4.5 2.9 Transp wind dir.SW SW SW SW Transp wind spd.26 30 30 25 100 ft wind..... LVORI...........4 1 4 6 ADI.............1 90 1 1 Vrate kt-ft/1K..105 124 117 65 Ventrate Cat....VGD VGD VGD GD Wave height (ft)0 0 0 0 Ceiling (kft)...5.0 4.0 3.0 2.5 Visibility (sm).10 6 5 2.0 $$ Forecaster...Nash Requested by...Kevin Filchak Type of request...OTHER .TAG 2521461.0/BOX .DELDT 09/06/25 .FormatterVersion 2.0.0 .EMAIL kevin.filchak@mass.gov