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Sidney, Illinois

Current conditions and the National Weather Service 7-day forecast for Sidney, Illinois — temperature, rain chance, wind, radar and active alerts.

Saturday Aug 29 night: a low around 67°F. Sunday Aug 30: a high near 89°F and a low around 70°F. Highs over the period run 89°F to 98°F.

National Weather Service forecast for Sidney, Illinois
DayHighLowPrecip
Saturday Aug 2967°
Sunday Aug 3089°70°
Monday Aug 3193°73°
Tuesday Sep 197°76°
Wednesday Sep 298°75°
Thursday Sep 394°71°
Friday Sep 490°69°
Saturday Sep 589°

NOAA NWS NDFD 2.5 km, run 2026-08-30 00:00 UTC · days are local time in America/Chicago. The live page updates continuously.

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