The 10-day span for Winchester runs from a high near 99° on Sunday down to 61° overnight on Sunday. Models drop roughly 0.68 in of precipitation across the stretch — watch Wednesday (79%). Expect a blustery spell — gusts near 40 mph on Sunday. No active NWS alerts at the moment — quiet on the hazards front. Right now Winchester is about 12° cooler than nearby St. Louis. Longer view: variable mid-latitude weather in every season.
Winchester, IL · Elev 541 ft · 39.63°N, 90.46°W · Illinois · Forecast computed for these exact coordinates