Alpena, SD Weather Forecast

Local 7-day forecast

89°

Sunny

Track current conditions, temperature changes, wind, and the full daily outlook for Alpena, SD in one place.

Monday, May 25, 2026

Wind: 10 to 15 mph SSE

Memorial Day

Sunny, with a high near 89.

Local 7-day forecast

Local Weather Overview

This forecast page for Alpena, SD is designed for quick trip planning, giving you a clean read on daytime highs, overnight lows, and changing conditions across the upcoming forecast window. Latest sync: May 21, 2026 6:42 PM CDT.

The active forecast window currently covers May 25 to May 27, 2026 for Alpena, SD.

Page Snapshot

Page focus: city weather
Forecast window: May 25 to May 27, 2026
Latest sync: May 21, 2026 6:42 PM CDT
Forecast office: FSD
Source: NOAA / NWS

Next High

89°F

Memorial Day

Next Low

58°F

Monday Night

Rain Outlook

Periods mentioning precipitation

Windiest

15 to 25 mph

Tuesday

Daily Outlook

Today

May 25

Sunny

89 °F

/ 58°F

Wind 10 to 15 mph

Tue

May 26

Sunny

88 °F

/ 58°F

Wind 15 to 25 mph

Wed

May 27

Mostly Sunny then Slight Chance Showers And Thunderstorms

85 °F

/ 56°F

Wind 15 to 20 mph

This Week in Alpena

Memorial Day looks like the warmest upcoming period in Alpena at 89 degrees F.

Wednesday Night is the coolest period ahead with temperatures near 56 degrees F.

The strongest winds are forecast for Tuesday at about 15 to 25 mph SSE.

Precipitation is mentioned in 2 upcoming forecast periods.

Forecast Details

Last updated: May 21, 2026 6:42 PM CDT
Coverage: 3 days
Time zone: America/Chicago
Forecast office: FSD
Radar station: KABR

Weather data is provided by the National Weather Service and refreshed automatically for U.S. locations.

Open NOAA source

Extended Forecast

Monday Night

May 25

58°F

Mostly Clear

15 mph SSE

Mostly clear, with a low around 58.

Tuesday

May 26

88°F

Sunny

15 to 25 mph SSE

Sunny, with a high near 88.

Tuesday Night

May 26

58°F

Mostly Clear

15 to 20 mph SSE

Mostly clear, with a low around 58.

Wednesday

May 27

85°F

Mostly Sunny then Slight Chance Showers And Thunderstorms

15 to 20 mph SE

A slight chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 85.

Wednesday Night

May 27

56°F

Chance Showers And Thunderstorms

10 to 15 mph SE

A chance of showers and thunderstorms. Partly cloudy, with a low around 56. Chance of precipitation is 30%.

Detailed Forecast

Period	Conditions	Temp	Wind	Details
Memorial Day May 25	Sunny	89°F	10 to 15 mph SSE	Sunny, with a high near 89.
Monday Night May 25	Mostly Clear	58°F	15 mph SSE	Mostly clear, with a low around 58.
Tuesday May 26	Sunny	88°F	15 to 25 mph SSE	Sunny, with a high near 88.
Tuesday Night May 26	Mostly Clear	58°F	15 to 20 mph SSE	Mostly clear, with a low around 58.
Wednesday May 27	Mostly Sunny then Slight Chance Showers And Thunderstorms	85°F	15 to 20 mph SE	A slight chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 85.
Wednesday Night May 27	Chance Showers And Thunderstorms	56°F	10 to 15 mph SE	A chance of showers and thunderstorms. Partly cloudy, with a low around 56. Chance of precipitation is 30%.

Nearby Forecasts

Explore weather pages for nearby cities and major places around Alpena.

Nearby forecast pages are not available for this location yet.

Region Links

Jerauld County weather

County forecast page

South Dakota weather

Statewide weather overview

United States weather

National weather entry point

Weather data provided by the National Weather Service (NOAA). Forecast pages update automatically as new periods are synced for each supported U.S. location.