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Sullivan, Wisconsin

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

Saturday Aug 29 night: a low around 69°F. Sunday Aug 30: a high near 86°F and a low around 71°F. The wettest day looks like Monday Aug 31, near 0.39 in. Highs over the period run 84°F to 90°F.

National Weather Service forecast for Sullivan, Wisconsin
DayHighLowPrecip
Saturday Aug 2969°
Sunday Aug 3086°71°0.13 in
Monday Aug 3189°72°0.39 in
Tuesday Sep 190°72°
Wednesday Sep 290°68°
Thursday Sep 385°65°
Friday Sep 484°65°
Saturday Sep 585°

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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