New Underwood, SD Weather Forecast
Local 7-day forecast
Sunny
Track current conditions, temperature changes, wind, and the full daily outlook for New Underwood, SD in one place.
Sunny, with a high near 98. East wind 6 to 17 mph, with gusts as high as 28 mph.
Local Weather Overview
This forecast page for New Underwood, SD is designed for quick trip planning, giving you a clean read on daytime highs, overnight lows, and changing conditions across the upcoming forecast window. Latest sync: Jul 16, 2026 6:54 PM MDT.
The active forecast window currently covers Jul 18 to Jul 22, 2026 for New Underwood, SD.
Page Snapshot
- Page focus
- city weather
- Forecast window
- Jul 18 to Jul 22, 2026
- Latest sync
- Jul 16, 2026 6:54 PM MDT
- Forecast office
- UNR
- Source
- NOAA / NWS
Daily Outlook
This Week in New Underwood
Sunday looks like the warmest upcoming period in New Underwood at 102 degrees F.
Tuesday Night is the coolest period ahead with temperatures near 63 degrees F.
The strongest winds are forecast for Saturday at about 6 to 17 mph E.
Precipitation is mentioned in 7 upcoming forecast periods.
Forecast Details
- Last updated
- Jul 16, 2026 6:54 PM MDT
- Coverage
- 6 days
- Time zone
- America/Denver
- Forecast office
- UNR
- Radar station
- KUDX
Weather data is provided by the National Weather Service and refreshed automatically for U.S. locations.
Open NOAA sourceExtended Forecast
Partly cloudy, with a low around 71. Southeast wind 10 to 17 mph, with gusts as high as 29 mph.
A slight chance of showers and thunderstorms after noon. Mostly sunny, with a high near 102.
A chance of showers and thunderstorms. Partly cloudy, with a low around 70.
Mostly sunny, with a high near 99.
A slight chance of showers and thunderstorms after midnight. Partly cloudy, with a low around 67.
A slight chance of rain showers before noon, then a slight chance of showers and thunderstorms. Partly sunny, with a high near 89.
A chance of showers and thunderstorms. Partly cloudy, with a low around 63.
A chance of rain showers before noon, then a chance of showers and thunderstorms. Partly sunny, with a high near 88.
A chance of showers and thunderstorms before midnight, then a chance of showers and thunderstorms. Partly cloudy, with a low around 63.
Detailed Forecast
| Period | Conditions | Temp | Wind |
|---|---|---|---|
|
Saturday
Jul 18
|
Sunny
|
98°F |
6 to 17 mph
E
|
|
Saturday Night
Jul 18
|
Partly Cloudy
|
71°F |
10 to 17 mph
SE
|
|
Sunday
Jul 19
|
Mostly Sunny then Slight Chance Showers And Thunderstorms
|
102°F |
10 to 14 mph
NW
|
|
Sunday Night
Jul 19
|
Chance Showers And Thunderstorms
|
70°F |
8 to 14 mph
NW
|
|
Monday
Jul 20
|
Mostly Sunny
|
99°F |
9 to 16 mph
N
|
|
Monday Night
Jul 20
|
Partly Cloudy then Slight Chance Showers And Thunderstorms
|
67°F |
10 to 17 mph
N
|
|
Tuesday
Jul 21
|
Slight Chance Rain Showers then Slight Chance Showers And Thunderstorms
|
89°F |
10 to 15 mph
NE
|
|
Tuesday Night
Jul 21
|
Chance Showers And Thunderstorms
|
63°F |
9 to 15 mph
SE
|
|
Wednesday
Jul 22
|
Chance Rain Showers then Chance Showers And Thunderstorms
|
88°F |
9 to 16 mph
SE
|
|
Wednesday Night
Jul 22
|
Chance Showers And Thunderstorms
|
63°F |
8 to 16 mph
SE
|
Nearby Forecasts
Explore weather pages for nearby cities and major places around New Underwood.