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ZIP 62226 · Swansea, Illinois

Current conditions and the National Weather Service 7-day forecast for ZIP code 62226, Swansea, Illinois — temperature, rain chance, wind, radar and alerts.

Saturday Aug 29 night: a low around 66°F. Sunday Aug 30: a high near 96°F and a low around 73°F. Highs over the period run 96°F to 102°F.

National Weather Service forecast for ZIP 62226, Swansea, Illinois
DayHighLowPrecip
Saturday Aug 2966°
Sunday Aug 3096°73°
Monday Aug 31100°77°
Tuesday Sep 1102°79°
Wednesday Sep 2101°79°
Thursday Sep 3100°77°
Friday Sep 498°74°
Saturday Sep 596°

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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