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Alpena, South Dakota

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

Saturday Aug 29 night: a low around 69°F. Sunday Aug 30: a high near 92°F and a low around 65°F. The wettest day looks like Sunday Aug 30, near 0.07 in. Highs over the period run 84°F to 92°F.

National Weather Service forecast for Alpena, South Dakota
DayHighLowPrecip
Saturday Aug 2969°
Sunday Aug 3092°65°0.07 in
Monday Aug 3186°65°
Tuesday Sep 184°62°0.04 in
Wednesday Sep 287°65°
Thursday Sep 387°64°
Friday Sep 489°67°
Saturday Sep 587°

NOAA NWS NDFD 2.5 km, run 2026-08-29 23:00 UTC · days are local time in America/Chicago. The live page updates continuously.

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