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182 FXUS65 KBOU 231749 AFDBOU Area Forecast Discussion National Weather Service Denver/Boulder CO 1149 AM MDT Thu Jul 23 2026 .KEY MESSAGES... - More storms on Thursday as monsoonal moisture remains over region the region. Storms will be capable of producing heavy rainfall along with a localized threat of flash flooding. - Storm coverage expected to decrease for Friday into Saturday but may increase again by Sunday, with highest coverage over the higher terrain. - Temperatures will rise back into the upper 90`s to lower 100`s over northeast Colorado for the weekend into early next week. && .DISCUSSION /Through Wednesday/... Issued at 304 AM MDT Thu Jul 23 2026 A weak upper level trough will move across the area today into this evening. Considerable monsoon moisture will remain over the area with PW`s from 150% to 200% above normal. Thus will see another round of showers and storms across much of the area, with areas of heavy rainfall, in some places. Flow aloft will increase today, so storm movements will be faster than the previous two days. Meanwhile SBCAPE will range of 1500 to 2000 j/kg over the plains. Shear is a little better this aftn, however, mid level temps are very warm. Thus, main threat from stronger storms would be wet microbursts similar to what occurred last evening. As far as highs, readings will be in the mid 80s to lower 90`s across the plains. For tonight, the weak upper level trough will move to the east with shower and tstm activity gradually ending across the plains by mid to late evening. Looking ahead to Fri and Sat, the upper level high will gradually build back into the area with a decrease in monsoon moisture. However, there will still be some residual moisture, for sct tstms in the mtns, especially on Sat. Across the plains, it will be mainly dry with highs reaching the upper 90`s to lower 100`s on Sat. For Sun thru next Tue, an upper level high will extend from the Great Basin across Colorado. Both the ECMWF and GFS show an increase in monsoon moisture. Thus will see an increasing chc for showers and storms over the higher terrain and across the plains for Mon and Tue. Temperatures will continue hot over nern CO Sun and Mon. By Mon night into Tue a weak cool front may move across which would allow for highs to drop back to more seasonal levels. && .AVIATION /18Z TAFS through 18Z Friday/... Issued at 1148 AM MDT Thu Jul 23 2026 North to northeast are expected to continue the next few hours ahead of the thunderstorms. Scattered to numerous thunderstorms are expected this afternoon and early evening, mainly 20-02Z across the Denver area. Very heavy rain and strong outflow winds to 45 knots will accompany the stronger thunderstorms. Outflow winds likely produce a wind shift or two through 02Z. Winds then settle a southerly wind direction 02-04Z. Threat for storms Friday will be lower, and later (after 00Z Saturday). && .BOU WATCHES/WARNINGS/ADVISORIES... None. && $$ DISCUSSION...RPK AVIATION...12