Day County, SD Weather Forecast
County weather hub
Sunny
Compare major city weather across Day County, scan the latest forecast snapshots, and jump into local 7-day outlook pages from one hub.
Sunny, with a high near 90. South wind around 10 mph.
County Weather Overview
This county weather page brings together forecast coverage for Day County so visitors can compare temperatures, wind, and conditions across the region without hopping between unrelated pages.
Current forecast coverage spans 1 of 1 mapped cities in Day County.
Page Snapshot
- Page focus
- county weather
- Forecast window
- Jul 15 to Jul 20, 2026
- Latest sync
- Jul 14, 2026 7:15 PM CDT
- Forecast office
- ABR
- Source
- NOAA / NWS
Daily Outlook
This Week in Day County
Friday looks like the warmest upcoming period in Day County at 94 degrees F.
Monday Night is the coolest period ahead with temperatures near 63 degrees F.
The strongest winds are forecast for Monday at about 8 to 16 mph NW.
Precipitation is mentioned in 1 upcoming forecast period.
Forecast Details
- Last updated
- Jul 14, 2026 7:15 PM CDT
- Coverage
- 6 days
- Time zone
- America/Chicago
- Forecast office
- ABR
- Radar station
- KABR
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 68. South southeast wind around 10 mph.
Sunny, with a high near 93. South wind 9 to 13 mph, with gusts as high as 22 mph.
Mostly clear, with a low around 72. South southeast wind 9 to 13 mph, with gusts as high as 22 mph.
Sunny, with a high near 94. West southwest wind 8 to 12 mph, with gusts as high as 21 mph.
Mostly clear, with a low around 69. North wind around 9 mph.
Sunny, with a high near 88. Northeast wind 6 to 9 mph.
Mostly clear, with a low around 69.
A slight chance of showers and thunderstorms between 7am and 1pm. Mostly sunny, with a high near 89. Chance of precipitation is 20%.
Partly cloudy, with a low around 68.
Sunny, with a high near 84.
Partly cloudy, with a low around 63.
Detailed Forecast
| Period | Conditions | Temp | Wind |
|---|---|---|---|
|
Wednesday
Jul 15
|
Sunny
|
90°F |
10 mph
S
|
|
Wednesday Night
Jul 15
|
Mostly Clear
|
68°F |
10 mph
SSE
|
|
Thursday
Jul 16
|
Sunny
|
93°F |
9 to 13 mph
S
|
|
Thursday Night
Jul 16
|
Mostly Clear
|
72°F |
9 to 13 mph
SSE
|
|
Friday
Jul 17
|
Sunny
|
94°F |
8 to 12 mph
WSW
|
|
Friday Night
Jul 17
|
Mostly Clear
|
69°F |
9 mph
N
|
|
Saturday
Jul 18
|
Sunny
|
88°F |
6 to 9 mph
NE
|
|
Saturday Night
Jul 18
|
Mostly Clear
|
69°F |
6 to 9 mph
ESE
|
|
Sunday
Jul 19
|
Slight Chance Showers And Thunderstorms
|
89°F |
10 mph
S
|
|
Sunday Night
Jul 19
|
Partly Cloudy
|
68°F |
9 mph
NW
|
|
Monday
Jul 20
|
Sunny
|
84°F |
8 to 16 mph
NW
|
|
Monday Night
Jul 20
|
Partly Cloudy
|
63°F |
7 to 15 mph
NNW
|
Major City Forecasts
Live forecast snapshots for major cities across Day County.
Coverage
Forecast coverage currently spans 1 of 1 mapped cities in Day County.
Largest mapped city population in this region: 1,694.
