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. High near 75, with temperatures falling to around 73 in the afternoon. South wind 9 to 14 mph, with gusts as high as 25 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: Apr 13, 2026 7:48 PM MDT.
The active forecast window currently covers Apr 15 to Apr 19, 2026 for New Underwood, SD.
Page Snapshot
- Page focus
- city weather
- Forecast window
- Apr 15 to Apr 19, 2026
- Latest sync
- Apr 13, 2026 7:48 PM MDT
- Forecast office
- UNR
- Source
- NOAA / NWS
Daily Outlook
This Week in New Underwood
Thursday looks like the warmest upcoming period in New Underwood at 78 degrees F.
Friday Night is the coolest period ahead with temperatures near 25 degrees F.
The strongest winds are forecast for Friday at about 36 to 40 mph NW.
Precipitation is mentioned in 5 upcoming forecast periods.
Forecast Details
- Last updated
- Apr 13, 2026 7:48 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
Mostly clear, with a low around 47. South wind around 14 mph, with gusts as high as 22 mph.
A slight chance of rain showers after noon. Mostly sunny, with a high near 78. Southwest wind 14 to 24 mph, with gusts as high as 39 mph.
Rain showers likely before 3am, then rain and snow showers likely. Mostly cloudy, with a low around 31. Northwest wind 28 to 36 mph, with gusts as high as 52 mph.
Snow showers likely. Mostly cloudy, with a high near 45. New snow accumulation of less than half an inch possible.
A slight chance of snow showers before midnight. Mostly cloudy, with a low around 25. New snow accumulation of less than half an inch possible.
A slight chance of snow showers between noon and 3pm, then a slight chance of rain and snow showers. Mostly sunny, with a high near 55.
Mostly clear, with a low around 26.
Sunny, with a high near 69.
Mostly clear, with a low around 39.
Detailed Forecast
| Period | Conditions | Temp | Wind |
|---|---|---|---|
|
Wednesday
Apr 15
|
Sunny
|
75°F |
9 to 14 mph
S
|
|
Wednesday Night
Apr 15
|
Mostly Clear
|
47°F |
14 mph
S
|
|
Thursday
Apr 16
|
Mostly Sunny then Slight Chance Rain Showers
|
78°F |
14 to 24 mph
SW
|
|
Thursday Night
Apr 16
|
Rain Showers Likely then Rain And Snow Showers Likely
|
31°F |
28 to 36 mph
NW
|
|
Friday
Apr 17
|
Snow Showers Likely
|
45°F |
36 to 40 mph
NW
|
|
Friday Night
Apr 17
|
Slight Chance Snow Showers then Mostly Cloudy
|
25°F |
17 to 33 mph
NW
|
|
Saturday
Apr 18
|
Mostly Sunny then Slight Chance Snow Showers
|
55°F |
17 to 29 mph
NW
|
|
Saturday Night
Apr 18
|
Mostly Clear
|
26°F |
9 to 24 mph
W
|
|
Sunday
Apr 19
|
Sunny
|
69°F |
9 to 18 mph
S
|
|
Sunday Night
Apr 19
|
Mostly Clear
|
39°F |
10 to 17 mph
S
|
Nearby Forecasts
Explore weather pages for nearby cities and major places around New Underwood.