FNUS75 KBOU 230341 FWSBOU Spot Forecast for Lightning Strike...Jefferson County National Weather Service Denver/Boulder CO 941 PM MDT Sat Aug 22 2026 If conditions become unrepresentative...contact the National Weather Service. .DISCUSSION... Current radar shows storms have subsided with only some showers remaining in the area. Shower potential will stick around for the next hour or two, but the airmass should be stable enough to keep lightning concerns minimal. Closest observations show southwesterly winds in place with gusts between 15-20 mph, and RH around 80-85%. Winds are expected to turn more southerly in the next hour, decreasing in speeds by around 2300. For the overnight, winds should be light and sit somewhere between south-southwest to west for direction. By around 0600, winds should become light and variable, with a few gusts between 10-15 mph possible before shower and storm chances start to increase by 0100. Storms tomorrow will be capable of producing gusty variable winds up to 40 mph, lightning, and localized heavy rainfall. RH recoveries are expected to be good tonight and remain around 25-30% at their lowest tomorrow. Outside of the gusty winds with passing showers/storms tomorrow, winds should make a northerly transition by early afternoon with gusts staying under 20 mph when showers and storms are not around. Temps should drop into the low 50s tonight, and warm into the upper 70s Sunday afternoon. .REST OF TONIGHT... Sky/weather.........Mostly cloudy (70-80 percent) until 0300, then partly cloudy (35-45 percent). Slight chance of rain showers until 2400. Chance of pcpn......20 percent. Min temperature.....Around 51. Max humidity........77 percent. Surface winds (mph).Southwest winds 5 to 8 mph until 0300, then west 5 to 12 mph. Snowfall amount.....0.0 inches. TIME (MDT) 10P 11P MID 1AM 2AM 3AM 4AM 5AM Sky (%).........80 83 74 76 64 48 39 34 Weather cov.....SCH SCH Weather type....RW RW Tstm cov........ Chc of pcpn (%).20 20 10 10 0 0 0 0 Temp............57 57 56 55 54 54 53 53 RH..............77 75 77 77 77 74 74 71 Surface wnd dir.SW SW SW W W W W W Surface wnd spd.7 6 6 6 6 7 7 7 Surface wnd gst.12 9 9 9 10 12 12 13 .SUNDAY... Sky/weather.........Partly cloudy (30-40 percent) until 1200, then mostly cloudy (60-70 percent). Slight chance of rain showers and thunderstorms after 1200 until 1300, then chance of rain showers and thunderstorms. Chance of pcpn......50 percent. Max temperature.....Around 79. Min humidity........31 percent. Surface winds (mph).West winds 6 to 11 mph until 1100, then northwest 5 to 12 mph until 1300, then north around 6 mph until 1400, then 5 to 7 mph until 1700, then northwest around 6 mph. Snowfall amount.....0.0 inches. TIME (MDT) 6AM 7AM 8AM 9AM 10A 11A 12P 1PM 2PM 3PM 4PM 5PM Sky (%).........36 41 31 35 30 42 53 61 69 72 76 75 Weather cov..... SCH CHC CHC CHC CHC CHC Weather type.... RW RW RW RW RW RW Tstm cov........ SCH CHC CHC CHC CHC CHC Chc of pcpn (%).0 0 0 0 0 10 20 30 30 50 50 50 Temp............52 52 57 64 72 76 78 76 75 74 70 71 RH..............74 77 67 56 41 34 31 33 34 37 42 42 Surface wnd dir.W W W W NW NW NW N NE N N NW Surface wnd spd.8 9 9 8 9 8 6 6 6 6 5 6 Surface wnd gst.13 15 16 14 16 14 12 1012 12 9 10 $$ Forecaster...Bonner Requested by...LILY NEILSON Type of request...OTHER .TAG 2620277.0/BOU .DELDT 08/22/26 .FormatterVersion 2.0.0 .EMAIL LILY.NEILSON@JEFFCOM911CO.GOV