Time: 919 AM Tue September 5, 2023 Forecaster: Justin Brooks ------------------------- Heavy Precipitation Outlook Flash Flood Prediction Program ------------------------- COOLER TODAY WITH A VERY SLIGHT CHANCE FOR SHOWERS/ISOLATED THUNDERSTORMS, MAINLY ALONG THE FOOTHILLS A cold front moved through the region yesterday resulting in cooler temperatures today with highs only reaching the upper 70s this afternoon. Mostly sunny skies currently with clouds increasing during the day. A very slight chance for a shower/isolated thunderstorm. Mainly along the foothills with most if not all areas on the plains remaining dry. The best chance for any shower activity will be in the afternoon and early evening with skies clearing by sunset. Overnight will be mild and dry with lows in the upper 50s to low 60s on the plains with low 50s along the foothills. STORM RAINFALL POTENTIAL AND DURATION: Typical showers and weak thunderstorms will produce rainfall of a trace to 0.10” total in 10-30 minutes. A moderate showers or thunderstorms Will produce rainfall of 0.10” to 0.30” total in 10-30 minutes. A LOOK AHEAD: Warmer and dry Wednesday with high temperatures in the mid to upper 80s with mostly sunny skies. This warm, dry trend will continue through the rest of the week as temperatures jump back into the 90s Thursday/Friday. LOCATION PRIME TIME 30-Minute Rainfall and % Probability Message Potential Plains       Adams 100 PM TO 700 PM Trace (10%) to 0.1" (5%) NONE Arapahoe 100 PM TO 700 PM Trace (10%) to 0.1" (5%) NONE Boulder 100 PM TO 700 PM Trace (10%) to 0.1" (5%) NONE Broomfield 100 PM TO 700 PM Trace (10%) to 0.1" (5%) NONE Denver 100 PM TO 700 PM Trace (10%) to 0.1" (5%) NONE Douglas 100 PM TO 700 PM Trace (10%) to 0.1" (5%) NONE Jefferson 100 PM TO 700 PM Trace (10%) to 0.1" (5%) NONE Foothills above 6500ft       Boulder 100 PM TO 700 PM Trace (20%) to 0.1" (10%) to 0.3" (5%) NONE Douglas 100 PM TO 700 PM Trace (20%) to 0.1" (10%) to 0.3" (5%) NONE Jefferson 100 PM TO 700 PM Trace (20%) to 0.1" (10%) to 0.3" (5%) NONE MONITOR NATIONAL WEATHER SERVICE FOR SEVERE WEATHER STATEMENTS. MHFD Flood Prediction Center: 303-458-0789    F2P2 Website [http://udfcd.org/Flash+Flood+Prediction+Program]