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Stephan, South Dakota 57346 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 Stephan, South Dakota 57346. 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 Stephan, South Dakota 57346 before making weather-sensitive plans.

Safety guides

Weather status

No active NWS alerts found for Stephan, South Dakota 57346

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

Official NOAA / NWSWSR-88D DopplerUpdates every 5 minutes

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What’s next

Hourly forecast

Stephan, South Dakota 57346

Check the latest hourly conditions, seven-day outlook, rain timing, wind, sunrise and sunset for Stephan, South Dakota 57346. Forecasts and alerts update from NOAA and the National Weather Service.

79°Mostly Sunny7% rain
79°Sunny10% rain
78°Partly Cloudy12% rain
76°Mostly Clear12% rain
74°Partly Cloudy11% rain
71°Partly Cloudy13% rain
69°Slight Chance Showers And Thunderstorms23% rain
68°Chance Showers And Thunderstorms32% rain

Next 24 hours

Rain Timeline

Highest chance 32%

Scattered precipitation is possible. The highest official hourly chance is 32%; check the radar before heading out.

7%None
10%None
12%None
12%None
11%None
13%None
23%Thunderstorms
32%Thunderstorms
28%Thunderstorms
24%Thunderstorms
14%None
6%None
6%None
5%None
6%None
2%None
2%None
0%None
1%None
1%None
2%None
0%None
0%None
0%None

Official NWS outlook

7-Day Forecast

High / low temperatures

Today

80°62°

Mostly Sunny

Precipitation
32%
Wind
SSE 17 mph
Sunrise
6:51 AM
Sunset
8:32 PM

Mon

86°63°

Mostly Sunny

Precipitation
51%
Wind
SSE 7 to 13 mph
Sunrise
6:52 AM
Sunset
8:31 PM

Tue

85°59°

Mostly Sunny

Precipitation
2%
Wind
W 8 to 18 mph
Sunrise
6:53 AM
Sunset
8:29 PM

Wed

81°57°

Sunny

Precipitation
0%
Wind
NW 9 to 16 mph
Sunrise
6:54 AM
Sunset
8:27 PM

Thu

82°61°

Sunny

Precipitation
29%
Wind
E 5 to 9 mph
Sunrise
6:56 AM
Sunset
8:25 PM

Fri

83°62°

Chance Showers And Thunderstorms

Precipitation
40%
Wind
SE 14 to 18 mph
Sunrise
6:57 AM
Sunset
8:24 PM

Sat

84°62°

Slight Chance Rain Showers then Partly Sunny

Precipitation
26%
Wind
ESE 13 mph
Sunrise
6:58 AM
Sunset
8:22 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 Feel85°F
Good conditions for walking

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

WindS18 mph
Best walk timeBetter weather window: 3 AM–5 AM

Walking: 6% average rain chance, near 64°F, with winds near 15 mph.

Official EPA AirNowLocal air qualityStephan, South Dakota 57346
View AQI +
More weather details
Wind gusts23mph
Rain now7%next hour
Humidity58%current
UV indexCheckingEPA forecast

Wind impact: Breezy — cycling, umbrellas, and loose outdoor items may be affected.

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 gust23 mph
Pressure29.94 in
Visibility10.0 mi
Peak rain chance32%
Dew point66°F
Active alertsNone

Official risk outlooks

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Official tropical weather

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