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Safety guides Use current official weather information for Onaka, South Dakota 57466 before making weather-sensitive plans.
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No active NWS alerts found for Onaka, South Dakota 57466
Conditions can change quickly. Keep Wireless Emergency Alerts enabled and continue to monitor official information.
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What’s next
Hourly forecast
Check the latest hourly conditions, seven-day outlook, rain timing, wind, sunrise and sunset for Onaka, South Dakota 57466. Forecasts and alerts update from NOAA and the National Weather Service.
82°Partly Sunny13% rain
81°Mostly Sunny13% rain
80°Mostly Cloudy13% rain
78°Partly Cloudy12% rain75°Mostly Cloudy12% rain72°Partly Cloudy14% rain
69°Slight Chance Showers And Thunderstorms21% rain67°Chance Showers And Thunderstorms29% rainNext 24 hours
Rain Timeline
Scattered precipitation is possible. The highest official hourly chance is 29%; check the radar before heading out.
13%None
13%None
13%None
12%None
12%None
14%None
21%Thunderstorms
29%Thunderstorms
21%Thunderstorms
14%None
9%None
8%None
7%None
5%None
5%None
2%None
2%None
0%None
2%None
2%None
2%None
0%None
0%None
0%None
Official NWS outlook
7-Day Forecast
Today
82°61°
Partly Sunny
- Precipitation
- 29%
- Wind
- SSE 16 mph
- Sunrise
- 6:50 AM
- Sunset
- 8:33 PM
Mon
86°62°
Mostly Sunny
- Precipitation
- 17%
- Wind
- SSE 10 mph
- Sunrise
- 6:51 AM
- Sunset
- 8:32 PM
Tue
85°59°
Sunny
- Precipitation
- 0%
- Wind
- WNW 9 to 21 mph
- Sunrise
- 6:52 AM
- Sunset
- 8:30 PM
Wed
82°55°
Sunny
- Precipitation
- 0%
- Wind
- NW 12 to 16 mph
- Sunrise
- 6:53 AM
- Sunset
- 8:28 PM
Thu
83°59°
Sunny
- Precipitation
- 15%
- Wind
- ENE 5 to 8 mph
- Sunrise
- 6:54 AM
- Sunset
- 8:26 PM
Fri
84°60°
Slight Chance Showers And Thunderstorms
- Precipitation
- 40%
- Wind
- SE 13 to 16 mph
- Sunrise
- 6:56 AM
- Sunset
- 8:24 PM
Sat
84°61°
Slight Chance Rain Showers then Partly Sunny
- Precipitation
- 28%
- Wind
- ESE 13 mph
- Sunrise
- 6:57 AM
- Sunset
- 8:23 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: 8% average rain chance, near 64°F, with winds near 12 mph.
Official EPA AirNowLocal air qualityOnaka, South Dakota 57466View AQI +
More weather details
Wind gusts23mph
Rain now13%next hour
Humidity58%current
UV indexCheckingEPA forecast
Wind impact: Breezy — cycling, umbrellas, and loose outdoor items may be affected.
“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 chance29%
Dew point66°F
Active alertsNone
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