New Underwood, SD Weather Forecast

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New Underwood, SD Weather Forecast

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New Underwood SD weather  - Clear - 71°F
Clear
71°F
Updated 4:32 pm
Feels Like 75°F
Humidity 75%
Wind S 5 mph
Barometer  29.8 in
Dew Point 63°F
New Underwood SD weather  - Clear - 22°C
Clear
22°C
Updated 4:32 pm
Feels Like 24°C
Humidity 75%
Wind S 8 km/h
Barometer  100.9 kPa
Dew Point 17°C

New Underwood Weather Forecast

LATE THIS AFTERNOON TONIGHT TUESDAY TUESDAY NIGHT WEDNESDAY WEDNESDAY NIGHT THURSDAY THURSDAY NIGHT FRIDAY FRIDAY NIGHT SATURDAY SATURDAY NIGHT
New Underwood, SD Weather - Late This Afternoon Chance Of T-Storm New Underwood, SD Weather - Tonight Chance Of T-Storm New Underwood, SD Weather - Tuesday Partly Cloudy New Underwood, SD Weather - Tuesday Night Partly Cloudy New Underwood, SD Weather - Wednesday Partly Cloudy New Underwood, SD Weather - Wednesday Night Partly Cloudy New Underwood, SD Weather - Thursday Partly Cloudy New Underwood, SD Weather - Thursday Night Mostly Clear New Underwood, SD Weather - Friday Mostly Sunny New Underwood, SD Weather - Friday Night Mostly Clear New Underwood, SD Weather - Saturday Mostly Sunny New Underwood, SD Weather - Saturday Night Mostly Clear
Chance of T-Storm Chance of T-Storm Partly Cloudy Partly Cloudy Partly Cloudy Partly Cloudy Partly Cloudy Mostly Clear Mostly Sunny Mostly Clear Mostly Sunny Mostly Clear
Hi: 79°FHi: 26°C
Lo: 59°FLo: 15°C Hi: 71°FHi: 22°C
Lo: 51°FLo: 11°C Hi: 79°FHi: 26°C
Lo: 49°FLo: 9°C Hi: 65°FHi: 18°C
Lo: 49°FLo: 9°C Hi: 71°FHi: 22°C
Lo: 51°FLo: 11°C Hi: 69°FHi: 21°C
Lo: 45°FLo: 7°C
POP: 40% POP: 50%
POP = Probability of Precipitation.
Weather Outlook Updated: 353 PM MDT Mon Sep 28 2026 New Underwood, SD Weather - WeatherWorld.com

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Issued: 1119 AM MDT Mon Sep 28 2026

Key Messages

-Scattered showers and storms this afternoon and evening, shifting southeast overnight

-Seasonal and mainly dry the rest of the week


Discussion

...(This Afternoon Through Sunday) Issued at 1015 AM MDT Mon Sep 28 2026

Deep moisture will shift east today via a northern stream shortwave and associated sfc trough. This will transition the region into WNW flow aloft and allow for occasional cool fronts later in the week. Another monsoon wave will push NE into the region this afternoon and int...