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Area Forecast Discussion
Issued by NWS Quad Cities, IA IL
Issued by NWS Quad Cities, IA IL
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475 FXUS63 KDVN 201056 AFDDVN Area Forecast Discussion National Weather Service Quad Cities IA IL 556 AM CDT Sat Jul 20 2024 .KEY MESSAGES... - Pleasant summer weather is forecast this weekend with low chances for isolated showers and storms. Much of the area should stay dry through Sunday. - Increasing humidity next week will lead to occasional chances for scattered showers and storms Monday through Wednesday. - Moderate to major river flooding continues on the Mississippi River. The Rock River will crest in the Moderate category at Joslin and Moline this weekend. && .SHORT TERM /THROUGH SUNDAY NIGHT/... Issued at 230 AM CDT Sat Jul 20 2024 Nice weather is on tap this weekend with temperatures slightly below normal in the upper 70s to low 80s. Aside from occasional sprinkles or an isolated shower across the western outlook area, dry conditions are expected today with continued light winds. A cut-off 500mb low will drift through the region, bringing a chance for scattered showers and isolated storms (10-30%) on Sunday, but with low areal coverage much of the outlook area will stay dry. The highest chances for some measurable rain are across the north (north of Highway 30) and also in the far west. Weak 850-300mb steering flow will lead to slow moving showers/storms and potential for localized downpours. && .LONG TERM /MONDAY THROUGH FRIDAY/... Issued at 230 AM CDT Sat Jul 20 2024 For the upcoming week, temperatures will gradually warm up into the low to mid 80s with increasing humidity levels to what is more typical for the middle to end of July. Cyclonic flow over the Midwest maintaining relatively cool temperatures aloft, coupled with warm and humid conditions at the surface, will lead to occasional chances for scattered showers and storms through Wednesday (20-50%). The best chances for rain will be during the afternoon and evening periods, aligning with peak daytime instability. The overall severe weather threat appears low due to weak shear with 500mb winds under 30 kts. By late in the week, expect near normal temperatures with a return to dry conditions. && .AVIATION /12Z TAFS THROUGH 12Z SUNDAY/... Issued at 548 AM CDT Sat Jul 20 2024 High pressure over the region will lead to light winds and prevailing VFR through the day. A few sprinkles or very brief light showers are possible near CID and BRL but much of the precipitation will struggle to reach the ground. Shallow fog may develop late tonight; however, confidence is low on the potential extent and severity. & .DVN WATCHES/WARNINGS/ADVISORIES... IA...None. IL...None. MO...None. && $$ SHORT TERM...Uttech LONG TERM...Uttech AVIATION...Uttech