The 10-day span for Fairbury runs from a high near 89° on Saturday down to 57° overnight on Monday. Roughly 0.20 in of rain falls over the period, with Wednesday the most likely wet day (64%). Wind is the one to watch: gusts to 36 mph around Saturday. The NWS alert board for this area is currently clear. Right now Fairbury is about 21° cooler than nearby St. Louis. Longer view: variable mid-latitude weather in every season.
Fairbury, IL · Elev 686 ft · 40.75°N, 88.51°W · Illinois · Forecast computed for these exact coordinates