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Lebanon, South Dakota 57455 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 Lebanon, South Dakota 57455. 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 Lebanon, South Dakota 57455 before making weather-sensitive plans.

Safety guides

Weather status

No active NWS alerts found for Lebanon, South Dakota 57455

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

Lebanon, South Dakota 57455

Check the latest hourly conditions, seven-day outlook, rain timing, wind, sunrise and sunset for Lebanon, South Dakota 57455. Forecasts and alerts update from NOAA and the National Weather Service.

81°Mostly Sunny11% rain
81°Mostly Sunny12% rain
80°Partly Cloudy13% rain
77°Mostly Cloudy14% rain
74°Mostly Cloudy14% rain
70°Slight Chance Showers And Thunderstorms15% rain
68°Slight Chance Showers And Thunderstorms21% rain
67°Chance Showers And Thunderstorms27% rain

Next 24 hours

Rain Timeline

Highest chance 27%

Scattered precipitation is possible. The highest official hourly chance is 27%; check the radar before heading out.

11%None
12%None
13%None
14%None
14%None
15%Thunderstorms
21%Thunderstorms
27%Thunderstorms
20%Thunderstorms
13%None
5%None
4%None
3%None
3%None
3%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

High / low temperatures

Today

81°61°

Mostly Sunny

Precipitation
27%
Wind
SSE 16 mph
Sunrise
6:51 AM
Sunset
8:34 PM

Mon

86°62°

Mostly Sunny

Precipitation
25%
Wind
SSE 8 to 12 mph
Sunrise
6:52 AM
Sunset
8:32 PM

Tue

85°58°

Sunny

Precipitation
0%
Wind
WNW 9 to 20 mph
Sunrise
6:53 AM
Sunset
8:31 PM

Wed

81°55°

Sunny

Precipitation
1%
Wind
NW 12 to 16 mph
Sunrise
6:55 AM
Sunset
8:29 PM

Thu

82°59°

Sunny

Precipitation
22%
Wind
E 6 to 9 mph
Sunrise
6:56 AM
Sunset
8:27 PM

Fri

83°60°

Slight Chance Showers And Thunderstorms

Precipitation
39%
Wind
SE 17 mph
Sunrise
6:57 AM
Sunset
8:25 PM

Sat

84°61°

Partly Sunny

Precipitation
27%
Wind
ESE 13 mph
Sunrise
6:58 AM
Sunset
8:24 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: 4% average rain chance, near 64°F, with winds near 13 mph.

Official EPA AirNowLocal air qualityLebanon, South Dakota 57455
View AQI +
More weather details
Wind gusts23mph
Rain now11%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 chance27%
Dew point66°F
Active alertsNone

Official risk outlooks

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Official tropical weather

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