Interior, SD Weather Forecast
Local 7-day forecast
Partly Sunny then Slight Chance Showers And Thunderstorms
Track current conditions, temperature changes, wind, and the full daily outlook for Interior, SD in one place.
A slight chance of showers and thunderstorms after 1pm. Partly sunny, with a high near 89. South wind 10 to 22 mph, with gusts as high as 35 mph.
Local Weather Overview
This forecast page for Interior, 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 19, 2026 8:58 AM MDT.
The active forecast window currently covers Apr 22 to Apr 25, 2026 for Interior, SD.
Page Snapshot
- Page focus
- city weather
- Forecast window
- Apr 22 to Apr 25, 2026
- Latest sync
- Apr 19, 2026 8:58 AM MDT
- Forecast office
- UNR
- Source
- NOAA / NWS
Daily Outlook
This Week in Interior
Wednesday looks like the warmest upcoming period in Interior at 89 degrees F.
Saturday Night is the coolest period ahead with temperatures near 27 degrees F.
The strongest winds are forecast for Thursday at about 21 to 41 mph W.
Precipitation is mentioned in 8 upcoming forecast periods.
Forecast Details
- Last updated
- Apr 19, 2026 8:58 AM MDT
- Coverage
- 4 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
A slight chance of showers and thunderstorms before 7pm, then showers and thunderstorms likely. Mostly cloudy, with a low around 48. South wind 17 to 23 mph, with gusts as high as 31 mph.
A chance of rain showers. Mostly sunny, with a high near 65.
A chance of rain showers before 4am, then a slight chance of snow showers. Mostly cloudy, with a low around 30.
A slight chance of snow showers before 7am, then a slight chance of rain and snow showers. Mostly sunny, with a high near 55.
A slight chance of rain showers before 10pm, then a slight chance of rain and snow showers. Partly cloudy, with a low around 29.
A slight chance of snow showers before 4pm, then a slight chance of rain showers. Mostly sunny, with a high near 55.
A slight chance of rain showers before 10pm, then a slight chance of rain and snow showers. Partly cloudy, with a low around 27.
Detailed Forecast
| Period | Conditions | Temp | Wind |
|---|---|---|---|
|
Wednesday
Apr 22
|
Partly Sunny then Slight Chance Showers And Thunderstorms
|
89°F |
10 to 22 mph
S
|
|
Wednesday Night
Apr 22
|
Slight Chance Showers And Thunderstorms then Showers And Thunderstorms Likely
|
48°F |
17 to 23 mph
S
|
|
Thursday
Apr 23
|
Chance Rain Showers
|
65°F |
21 to 41 mph
W
|
|
Thursday Night
Apr 23
|
Chance Rain Showers then Slight Chance Snow Showers
|
30°F |
22 to 41 mph
NW
|
|
Friday
Apr 24
|
Slight Chance Snow Showers
|
55°F |
20 to 29 mph
NW
|
|
Friday Night
Apr 24
|
Slight Chance Rain And Snow Showers
|
29°F |
10 to 28 mph
NW
|
|
Saturday
Apr 25
|
Slight Chance Snow Showers
|
55°F |
10 to 17 mph
NW
|
|
Saturday Night
Apr 25
|
Slight Chance Rain And Snow Showers
|
27°F |
7 to 17 mph
N
|
Nearby Forecasts
Explore weather pages for nearby cities and major places around Interior.
Nearby forecast pages are not available for this location yet.
