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Olmsted, Illinois

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

Saturday Aug 29 night: a low around 68°F. Sunday Aug 30: a high near 94°F and a low around 72°F. Highs over the period run 94°F to 97°F.

National Weather Service forecast for Olmsted, Illinois
DayHighLowPrecip
Saturday Aug 2968°
Sunday Aug 3094°72°
Monday Aug 3195°74°
Tuesday Sep 197°75°
Wednesday Sep 297°75°
Thursday Sep 397°74°
Friday Sep 495°73°
Saturday Sep 594°

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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