


Spot Forecast
Issued by NWS Sterling, VA
Issued by NWS Sterling, VA
072 FNUS71 KLWX 141351 FWSLWX Spot Forecast for Army 250th...DOI National Weather Service Baltimore MD/Washington DC 951 AM EDT Sat Jun 14 2025 Forecast is based on forecast start time of 1000 EDT on June 14. If conditions become unrepresentative...contact the National Weather Service. Please contact our office if you have questions or concerns with this forecast. .DISCUSSION... A nearly stationary boundary will remain positioned nearby through this weekend. This boundary will become the focus for shower and thunderstorm development this afternoon into this evening. The main threat window for heavy showers and thunderstorms today will be between 5pm and 11 pm with the most likely window for thunderstorms between 6 and 9 pm. Thunderstorms will bring the threat for lightning and heavy rainfall which could lead to flooding. Skies will remain overcast with ceilings fluctuating between MVFR and VFR through this afternoon/evening. .REST OF TODAY... Sky/weather.........Mostly cloudy (75-85 percent). Slight chance of showers late in the morning. Chance of showers and thunderstorms late in the afternoon. Chance of pcpn......50 percent. Chance of thunder...39 percent. Max temperature.....Around 83. Min humidity........70 percent. Heat index..........83. Surface winds (mph).Light winds becoming north around 5 mph early in the afternoon, then shifting to the northeast late in the afternoon shifting to the east around 6 mph late in the afternoon. TIME (EDT) 10A 11A 12P 1PM 2PM 3PM 4PM 5PM Sky (%).........81 86 82 71 75 80 79 85 Weather cov.....SCH CHC CHC CHC CHC Weather type....RW RW RW RW RW Tstm cov........ CHC CHC CHC CHC Chc of pcpn (%).20 10 10 10 30 40 50 50 Chc of thdr (%).10 10 10 10 30 40 40 40 Temp............76 77 79 81 82 82 81 80 RH..............87 85 77 72 69 69 72 74 Heat index (F)..M M M M M M M M Surface wnd dir.NW N NW N N N NE E Surface wnd spd.3 3 5 5 5 5 5 6 Surface wnd gst.6 7 8 9 10 10 10 9 .TONIGHT... Sky/weather.........Cloudy (85-95 percent). Showers likely and chance of thunderstorms in the evening, then chance of showers and slight chance of thunderstorms overnight. Chance of pcpn......60 percent. Chance of thunder...39 percent. Min temperature.....Around 66. Max humidity........100 percent. Heat index..........75. Surface winds (mph).East winds 5 to 6 mph in the evening becoming light, then becoming east around 5 mph overnight. TIME (EDT) 6PM 7PM 8PM 9PM 10P 11P MID 1AM 2AM 3AM 4AM 5AM Sky (%).........84 78 88 83 94 97 94 97 97 97 95 95 Weather cov.....CHC LKY CHC CHC CHC CHC CHC CHC CHC SCH SCH SCH Weather type....RW RW RW RW RW RW RW RW RW RW RW RW Tstm cov........CHC CHC CHC CHC CHC SCH SCH SCH SCH SCH SCH Chc of pcpn (%).50 60 40 40 50 40 40 40 30 20 10 10 Chc of thdr (%).40 40 40 40 40 20 20 20 20 20 20 10 Temp............78 76 75 73 73 71 71 70 69 69 68 68 RH..............79 85 84 90 87 93 90 93 97 97 97 93 Heat index (F)..M M M M M M M M M M M M Surface wnd dir.E E E E E E E E E E E E Surface wnd spd.6 6 6 5 5 5 5 3 5 5 5 5 Surface wnd gst.10 9 12 10 9 9 9 10 10 10 10 10 $$ Forecaster...Geiger Requested by...Lia McDonald Type of request...OTHER .TAG 2515970.0/LWX .DELDT 06/14/25 .FormatterVersion 2.0.0 .EMAIL lia_mcdonald@ios.doi.gov