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Safety guides Use current official weather information for Long Valley, South Dakota 57547 before making weather-sensitive plans.
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Open→Weather status
No active NWS alerts found for Long Valley, South Dakota 57547
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
Check the latest hourly conditions, seven-day outlook, rain timing, wind, sunrise and sunset for Long Valley, South Dakota 57547. Forecasts and alerts update from NOAA and the National Weather Service.
79°Slight Chance Showers And Thunderstorms15% rain74°Slight Chance Showers And Thunderstorms15% rain71°Slight Chance Showers And Thunderstorms15% rain
69°Mostly Clear10% rain
68°Partly Cloudy10% rain68°Partly Cloudy4% rain67°Mostly Clear4% rain66°Mostly Clear4% rainNext 24 hours
Rain Timeline
No meaningful precipitation is expected in the official hourly forecast.
15%Thunderstorms
15%Thunderstorms
15%Thunderstorms
10%None
10%None
4%None
4%None
4%None
1%None
1%None
1%None
1%None
1%None
1%None
1%None
1%None
1%None
11%None
11%None
11%None
11%None
11%None
11%None
15%Thunderstorms
Official NWS outlook
7-Day Forecast
Today
79°65°
Slight Chance Showers And Thunderstorms then Mostly Clear
- Precipitation
- 15%
- Wind
- S 7 to 18 mph
- Sunrise
- 7:00 AM
- Sunset
- 8:38 PM
Mon
90°63°
Sunny
- Precipitation
- 49%
- Wind
- N 5 to 8 mph
- Sunrise
- 7:02 AM
- Sunset
- 8:37 PM
Tue
85°59°
Chance Rain Showers
- Precipitation
- 49%
- Wind
- NW 6 to 12 mph
- Sunrise
- 7:03 AM
- Sunset
- 8:35 PM
Wed
83°59°
Sunny
- Precipitation
- 13%
- Wind
- NW 3 to 8 mph
- Sunrise
- 7:04 AM
- Sunset
- 8:33 PM
Thu
86°63°
Mostly Sunny then Slight Chance Showers And Thunderstorms
- Precipitation
- 36%
- Wind
- SE 7 to 17 mph
- Sunrise
- 7:05 AM
- Sunset
- 8:32 PM
Fri
89°63°
Slight Chance Showers And Thunderstorms then Mostly Sunny
- Precipitation
- 22%
- Wind
- SE 16 mph
- Sunrise
- 7:06 AM
- Sunset
- 8:30 PM
Sat
89°63°
Slight Chance Showers And Thunderstorms then Partly Sunny
- Precipitation
- 19%
- Wind
- SE 7 to 13 mph
- Sunrise
- 7:07 AM
- Sunset
- 8:28 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 Feel79°F
Good conditions for walking
Conditions look reasonable, but stay alert for quick weather changes.
WindSE18 mph
Best walk timeBetter weather window: 4 AM–6 AM
Walking: 1% average rain chance, near 66°F, with winds near 8 mph.
Official EPA AirNowLocal air qualityLong Valley, South Dakota 57547View AQI +
More weather details
Wind gustsNot reported
Rain now15%next hour
Humidity69%current
UV indexCheckingEPA forecast
Wind impact: Noticeable breeze with generally minor outdoor impact.
“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 gustNot reported
Pressure—
Visibility—
Peak rain chance15%
Dew point68°F
Active alertsNone
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