Local weather forecast

Weather in New Underwood, SD

Updated 2026-09-26 08:00 local time · ZIP codes 57761

Partly Cloudy
Now63°F

Partly Cloudy

High / Low77° / 60°
Rain chance3%
Wind3 mph
No active weather alerts

No government weather alerts were returned for this location at the latest update.

Hourly

Next hours

NowPartly Cloudy63°17% rain
9 AMSunny67°5% rain
10 AMSunny71°1% rain
11 AMSunny72°1% rain
12 PMSunny73°1% rain
1 PMSunny75°0% rain
2 PMSunny77°0% rain
3 PMSunny77°0% rain
4 PMSunny77°0% rain
5 PMSunny77°1% rain
6 PMSunny74°1% rain
7 PMClear70°1% rain
Forecast

3-day weather forecast

Today2026-09-26
Sunny
77° 60°Sunny
Rain 3%Gust 21 mph
Tomorrow2026-09-27
Overcast
80° 60°Overcast
Rain 67%Gust 13 mph
Monday2026-09-28
Overcast
84° 66°Overcast
Rain 57%Gust 15 mph
Conditions

Weather details

Feels like63°F
Humidity82%
Pressure29.78 inHg
Visibility6 mi
Wind3 mph WNW
Wind gusts6 mph
Precipitation0.00 in
UV index0
Daylight

Sunrise, sunset and moon

Sunrise06:43 AM
Sunset06:42 PM
Moonrise06:29 PM
Moon phaseFull Moon
Next 24 hours

Key weather changes ahead

Warmest hour3 PM · 77°F
Coolest hour7 AM · 60°F
Highest rain chance6 AM · 29%
Strongest gusts10 AM · 24 mph
Practical guide

Weather insights for today

Umbrella not essential

Rain chance stays relatively low over the next 12 hours (up to 17%).

Light layers should work

It feels like 63°F with winds near 3 mph.

Best window: 7 PM

70°F, 1% rain chance and 8 mph wind.

Driving conditions look generally normal

Visibility is around 6 mi; gusts may reach 24 mph.

Good conditions for an easy run

Current temperature is 63°F, wind 3 mph, rain chance up to 17%.

Low UV protection needs

UV index is 0.

Local weather characteristics in New Underwood

South Dakota has a continental climate with hot summers, cold winters, frequent wind and strong differences between the Black Hills and the open plains.

New Underwood is part of the Midwest weather region. The forecast point is near 44.10°N latitude and 102.83°W longitude. Local temperature, wind and precipitation can still differ from nearby places, especially where terrain, coastlines or urban development create small-scale weather changes.

New Underwood weather today

Partly Cloudy and 63°F in New Underwood, SD. Today's high is 77°F with a 3% rain chance. Winds are around 3 mph with gusts near 6 mph. Relative humidity is 82%, pressure is 29.78 inHg, and visibility is about 6 miles.

Tonight and tomorrow in New Underwood

Sunrise is at 06:43 AM and sunset is at 06:42 PM. Tomorrow's forecast calls for Overcast with a high near 80°F and a low near 60°F. The maximum rain chance is 67%.

Nearby

Weather near New Underwood

South Dakota

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