


Suppression Forecast
Issued by NWS Denver/Boulder, CO
Issued by NWS Denver/Boulder, CO
339 FNUS75 KBOU 031847 FWSBOU Spot Forecast for Grand Lake Fireworks...J&M National Weather Service Denver/Boulder CO 1247 PM MDT Thu Jul 3 2025 If conditions become unrepresentative...contact the National Weather Service. .DISCUSSION...Current radar shows light showers developing east and south of Grand Lake, moving north. Multiple rounds of scattered showers and weak thunderstorms are possible between 2 PM and midnight tonight. However, best timeframe for storms is from 6 PM to 10 PM this evening. Main hazards will be lightning, brief heavy rain/small hail, and wind gusts up 25 mph. Aside from the storms, generally light winds up to 10 mph are expected from the south/southwest. Another round of showers is possible, mainly between 4 AM and 11 AM on Friday. Light to briefly moderate rainfall is expected. There should be a break in the storms in the early afternoon before scattered showers return to the area. Chances of showers/thunderstorms decrease into the evening, however can`t rule out a brief pop-up storm, mainly between 5 PM - 9 PM. Main hazards with any storms will be lightning and 30 mph wind gusts. .REST OF TODAY... Sky/weather.........Mostly cloudy (70-80 percent). Chance of showers and thunderstorms. Chance of pcpn......50 percent. Max temperature.....Around 79. Min humidity........24 percent. Surface winds (mph).Variable up to 5 mph until 1400, then southeast around 5 mph until 1500, then 5 to 8 mph until 1700, then south around 6 mph. TIME (MDT) 12P 1PM 2PM 3PM 4PM 5PM Sky (%).........61 63 66 76 86 88 Weather cov.....CHC CHC CHC CHC CHC CHC Weather type....RW RW RW RW RW RW Tstm cov........CHC CHC CHC CHC CHC CHC Chc of pcpn (%).30 30 30 40 40 40 Temp............76 78 78 77 76 74 RH..............26 25 24 25 28 32 Surface wnd dir.SW SW SE SE SE S Surface wnd spd.2 3 5 6 6 6 Surface wnd gst.12 14 15 16 16 16 .TONIGHT... Sky/weather.........Mostly cloudy (80-90 percent). Chance of rain showers and thunderstorms until 2400, then slight chance of rain showers. Chance of pcpn......50 percent. Min temperature.....Around 46. Max humidity........96 percent. Surface winds (mph).Southwest winds 5 to 8 mph until 2000, then 5 to 7 mph. TIME (MDT) 6PM 7PM 8PM 9PM 10P 11P MID 1AM 2AM 3AM 4AM 5AM Sky (%).........91 89 84 84 86 83 78 81 82 76 77 79 Weather cov.....CHC CHC CHC CHC CHC CHC SCH SCH SCH SCH SCH SCH Weather type....RW RW RW RW RW RW RW RW RW RW RW RW Tstm cov........CHC CHC CHC SCH SCH SCH Chc of pcpn (%).50 60 60 60 50 40 20 20 20 20 30 40 Temp............69 65 62 59 56 55 53 52 50 49 48 48 RH..............40 52 56 64 69 72 77 80 86 89 89 89 Surface wnd dir.SW SW SW W SW SW SW SW SW SW SW SW Surface wnd spd.6 6 6 6 6 5 5 5 5 5 5 6 Surface wnd gst.15 13 12 12 10 10 9 9 8 8 8 8 .INDEPENDENCE DAY... Sky/weather.........Mostly cloudy (65-75 percent). Chance of rain showers. Chance of thunderstorms after 0900. Chance of pcpn......50 percent. Max temperature.....Around 70. Min humidity........34 percent. Surface winds (mph).West winds 6 to 12 mph. Gusts up to 24 mph in the afternoon. TIME (MDT) 6AM 7AM 8AM 9AM 10A 11A 12P 1PM 2PM 3PM 4PM 5PM Sky (%).........85 87 79 61 55 64 73 73 73 73 73 73 Weather cov.....CHC CHC CHC CHC CHC CHC CHC CHC CHC CHC CHC CHC Weather type....RW RW RW RW RW RW RW RW RW RW RW RW Tstm cov........ CHC CHC CHC CHC CHC CHC CHC CHC CHC Chc of pcpn (%).50 50 40 30 30 30 20 20 30 30 40 50 Temp............46 48 50 51 58 61 65 66 67 68 69 70 RH..............96 96 96 93 72 62 50 47 42 37 35 34 Surface wnd dir.W W W W W W W W W W W W Surface wnd spd.6 7 7 8 9 9 10 12 12 12 12 10 Surface wnd gst.8 9 10 12 14 16 18 21 22 23 24 24 .FORECAST DAYS 3 THROUGH 5... .SATURDAY... Mostly clear with chance of showers and thunderstorms. Lows in the mid 40s. Highs in the mid 70s. West winds around 6 mph. .SUNDAY... Mostly clear with chance of showers and thunderstorms. Lows in the mid 40s. Highs in the upper 70s. Variable winds less than 10 mph. .MONDAY... Partly cloudy with chance of showers and thunderstorms. Lows in the mid 40s. Highs in the upper 70s. West winds around 5 mph. $$ Forecaster...Ideker Requested by...Luke Brigham Type of request...OTHER .TAG 2517217.0/BOU .DELDT 07/03/25 .FormatterVersion 2.0.0 .EMAIL lukebrigham@hotmail.com