Spot Forecast
Issued by NWS Sterling, VA
Issued by NWS Sterling, VA
117 FNUS71 KLWX 290910 FWSLWX Spot Forecast for Key Bridge Response...USCG National Weather Service Baltimore MD/Washington DC 510 AM EDT Wed May 29 2024 Forecast is based on forecast start time of 0600 EDT on May 29. If conditions become unrepresentative...contact the National Weather Service. Please contact our office if you have questions or concerns with this forecast. .DISCUSSION... Skies will start out sunny this morning, but clouds will be on the increase through the late morning and early afternoon hours. Showers and thunderstorms will move in from the west during the mid-afternoon hours. On and off showers and thunderstorms will continue through the evening hours. These storms may be capable of producing gusty winds and small hail. Special Marine Warnings (mainly for wind gusts in excess of 34 knots) may be needed for the waters this afternoon as these storms move through. Outside of thunderstorms, winds will generally be light out of the west. Shower and thunderstorm activity will wind down with loss of daytime heating during the evening hours, with dry conditions expected during the second half of the overnight. A cold front will move through later tonight, causing winds to become northwesterly during the second half of the night. Winds may gust to around 15-20 knots out of the northwest late tonight into the day tomorrow. Dry conditions are expected tomorrow, with continued northwesterly winds and high temperatures in the 70s. .TODAY... Sky/weather.........Mostly sunny (30-40 percent) then becoming mostly cloudy (75-85 percent). Numerous showers and chance of thunderstorms in the afternoon. Chance of pcpn......70 percent. Max temperature.....Around 76. Min humidity........55 percent. Surface winds (kts).Northwest winds 5 to 6 knots early in the morning becoming westerly at 5 to 7 knots. Wave height.........1 foot. CEILING (KFT).......25 decreasing to 6.0 late in the morning. Visibility..........9. TIME (EDT) 6AM 7AM 8AM 9AM 10A 11A 12P 1PM 2PM 3PM 4PM 5PM Sky (%).........15 14 14 19 26 35 43 48 58 70 81 90 Weather cov..... ISO SCT NUM NUM NUM Weather type.... RW RW RW RW RW Tstm cov........ CHC CHC CHC CHC Chc of pcpn (%).0 0 0 0 0 0 10 20 40 70 70 60 Temp............63 62 67 68 69 71 72 72 73 72 71 70 RH..............75 78 68 65 63 59 55 57 57 61 63 68 SFC wnd dir.....NW NW NW NW NW NW W SW SW SW W W SFC wnd spd kts.5 6 3 3 4 4 4 5 6 6 7 7 SFC wnd gst.....10 11 6 5 7 8 8 8 8 9 12 11 Wave height (ft)0 1 0 0 0 0 0 0 0 0 0 1 Ceiling (kft)...25 25 25 25 25 6.0 6.0 6.0 6.0 6.0 6.0 6.0 Visibility (sm).10 10 10 10 10 10 10 10 10 10 9 10 .TONIGHT... Sky/weather.........Mostly cloudy (65-75 percent) then becoming partly cloudy (40-50 percent). Chance of thunderstorms early in the evening. Scattered showers early in the evening, then slight chance of showers in the late evening and overnight. Chance of pcpn......50 percent. Min temperature.....Around 60. Max humidity........87 percent. Surface winds (kts).Northwest winds up to 7 knots. Wave height.........1 foot. CEILING (KFT).......6.0 increasing to 8.9. Visibility..........9. TIME (EDT) 6PM 7PM 8PM 9PM 10P 11P MID 1AM 2AM 3AM 4AM 5AM Sky (%).........88 85 80 67 57 53 48 44 41 41 43 41 Weather cov.....SCT SCT CHC SCH SCH SCH SCH SCH Weather type....RW RW RW RW RW RW RW RW Tstm cov........CHC CHC Chc of pcpn (%).50 40 30 20 20 20 20 20 10 10 10 10 Temp............71 69 68 67 66 65 65 64 63 62 63 62 RH..............66 70 73 75 81 84 81 81 84 87 84 84 SFC wnd dir.....W W W NW NW NW N NW NW NW N N SFC wnd spd kts.7 4 5 4 4 4 4 5 5 6 7 7 SFC wnd gst.....11 7 7 6 6 6 7 8 8 9 10 11 Wave height (ft)1 0 0 0 0 0 0 0 0 0 0 1 Ceiling (kft)...6.0 6.0 6.0 8.2 8.3 9.2 9.8 9.8 9.2 8.3 7.8 8.9 Visibility (sm).10 10 10 10 10 9 9 10 10 10 10 10 .THURSDAY... Sky/weather.........Sunny (20-30 percent). Chance of pcpn......10 percent. Max temperature.....Around 74. Min humidity........41 percent. Surface winds (kts).North winds 8 to 9 knots. Wave height.........1 foot. CEILING (KFT).......12 increasing to 25. Visibility..........10. TIME (EDT) 6 AM 8 AM 10 AM NOON 2 PM 4 PM Sky (%).........37 24 16 12 14 17 Weather cov..... Weather type....NONE NONE NONE NONE NONE NONE Tstm cov........ Chc of pcpn (%).10 0 0 0 10 10 Temp............61 62 66 69 71 72 RH..............84 72 61 51 44 41 SFC wind (kts)..N 8 N 9 N 9 N 9 N 9 N 9 SFC wnd gst ....12 13 13 13 13 13 Wave height (ft)1 1 1 1 1 1 Ceiling (kft)...12 19 19 21 25 20 Visibility (sm).10 10 10 10 10 10 $$ Forecaster...Pallozzi Requested by...Jackie Gonzalez Type of request...MARINE .TAG 2413382.0/LWX .DELDT 05/29/24 .FormatterVersion 2.0.0 .EMAIL AF.A3.RSS.Weather@us.af.mil,jpg112122@gmail.com,Sitlkeybridgeresponse2024@gmail.com,nws-sterling-wxsupport@noaa.gov