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Pontoosuc, Illinois

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

Saturday Aug 29 night: a low around 72°F. Sunday Aug 30: a high near 92°F and a low around 77°F. Highs over the period run 89°F to 97°F.

National Weather Service forecast for Pontoosuc, Illinois
DayHighLowPrecip
Saturday Aug 2972°
Sunday Aug 3092°77°
Monday Aug 3194°78°
Tuesday Sep 196°80°
Wednesday Sep 297°77°
Thursday Sep 392°75°
Friday Sep 490°74°
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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