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Alcester, South Dakota 57001 weather, straight from the source.

Current conditions, official National Weather Service forecasts and alerts, rain timing, local radar, air quality, wind, humidity, sunrise, sunset, and the latest reported update for Alcester, South Dakota 57001. Always follow local warnings and emergency instructions.

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Weather guidance for your areaPlan with the complete forecast

Use current official weather information for Alcester, South Dakota 57001 before making weather-sensitive plans.

Safety guides

Weather status

No active NWS alerts found for Alcester, South Dakota 57001

Conditions can change quickly. Keep Wireless Emergency Alerts enabled and continue to monitor official information.

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What’s next

Hourly forecast

Alcester, South Dakota 57001

Check the latest hourly conditions, seven-day outlook, rain timing, wind, sunrise and sunset for Alcester, South Dakota 57001. Forecasts and alerts update from NOAA and the National Weather Service.

75°Partly Cloudy4% rain
71°Partly Cloudy4% rain
68°Partly Cloudy3% rain
67°Mostly Cloudy6% rain
66°Mostly Cloudy7% rain
66°Slight Chance Rain Showers19% rain
66°Showers And Thunderstorms Likely63% rain
65°Showers And Thunderstorms Likely57% rain

Next 24 hours

Rain Timeline

Highest chance 68%

Most likely around 1 AM, 2 AM, 3 AM, 4 AM. Expected type: Rain / Thunderstorms.

4%None
4%None
3%None
6%None
7%None
19%Rain
63%Thunderstorms
57%Thunderstorms
68%Thunderstorms
60%Thunderstorms
35%Thunderstorms
37%Thunderstorms
11%None
6%None
6%None
4%None
3%None
2%None
2%None
1%None
1%None
1%None
1%None
0%None

Official NWS outlook

7-Day Forecast

High / low temperatures

Today

75°63°

Mostly Cloudy then Showers And Thunderstorms Likely

Precipitation
68%
Wind
S 5 to 10 mph
Sunrise
6:42 AM
Sunset
8:18 PM

Mon

78°65°

Chance Showers And Thunderstorms then Mostly Cloudy

Precipitation
37%
Wind
SSE 10 to 15 mph
Sunrise
6:43 AM
Sunset
8:17 PM

Tue

84°62°

Partly Sunny

Precipitation
12%
Wind
SW 5 to 10 mph
Sunrise
6:44 AM
Sunset
8:15 PM

Wed

82°58°

Sunny

Precipitation
2%
Wind
NW 5 to 15 mph
Sunrise
6:45 AM
Sunset
8:13 PM

Thu

82°60°

Sunny

Precipitation
25%
Wind
NW 0 to 5 mph
Sunrise
6:46 AM
Sunset
8:12 PM

Fri

81°64°

Chance Showers And Thunderstorms

Precipitation
57%
Wind
SE 5 to 15 mph
Sunrise
6:48 AM
Sunset
8:10 PM

Sat

82°65°

Chance Showers And Thunderstorms then Slight Chance Showers And Thunderstorms

Precipitation
49%
Wind
SSE 10 to 15 mph
Sunrise
6:49 AM
Sunset
8:08 PM

Forecasts, icons, precipitation, wind, and alerts are from the National Weather Service. Sunrise and sunset are calculated locally for the selected coordinates.

Weather for a healthier day

Healthy Weather

Real Feel75°F
Good conditions for walking

Conditions look reasonable, but stay alert for quick weather changes.

WindSSW10 mph
Best walk timeBetter weather window: 7 PM–9 PM

Walking: 4% average rain chance, near 73°F, with winds near 10 mph.

Official EPA AirNowLocal air qualityAlcester, South Dakota 57001
View AQI +
More weather details
Wind gusts11mph
Rain now4%next hour
Humidity69%current
UV indexCheckingEPA forecast

Wind impact: Noticeable breeze with generally minor outdoor impact.

Full Healthy Weather guides and reminders →

“Better weather window” is planning guidance based on official NWS data—not a promise of safe conditions. Review active alerts and radar before leaving.

Storm & DetailsGusts, pressure, visibility and official risk outlooksView details +
Wind gust11 mph
Pressure
Visibility10.0 mi
Peak rain chance68%
Dew point64°F
Active alertsNone

Official risk outlooks

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