Day County, SD Weather Forecast
County weather hub
Chance Showers And Thunderstorms
Compare major city weather across Day County, scan the latest forecast snapshots, and jump into local 7-day outlook pages from one hub.
A slight chance of rain showers between 8am and 10am, then a chance of showers and thunderstorms between 10am and 1pm, then a chance of showers and thunderstorms between 1pm and 2pm, then showers and thunderstorms likely. Mostly cloudy, with a high near 76. East southeast wind 13 to 22 mph, with gusts as high as 36 mph. Chance of precipitation is 60%. New rainfall amounts less than a tenth of an inch possible.
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
- May 30 to Jun 5, 2026
- Latest sync
- May 30, 2026 9:19 AM CDT
- Forecast office
- ABR
- Source
- NOAA / NWS
Daily Outlook
This Week in Day County
Tuesday looks like the warmest upcoming period in Day County at 82 degrees F.
Monday Night is the coolest period ahead with temperatures near 53 degrees F.
The strongest winds are forecast for Tonight at about 18 to 23 mph SE.
Precipitation is mentioned in 13 upcoming forecast periods.
Forecast Details
- Last updated
- May 30, 2026 9:19 AM CDT
- Coverage
- 7 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
A chance of showers and thunderstorms before 7pm, then a chance of showers and thunderstorms between 7pm and 8pm, then a slight chance of showers and thunderstorms between 9pm and 1am, then a chance of showers and thunderstorms between 1am and 3am, then a chance of showers and thunderstorms. Mostly cloudy. Low around 59, with temperatures rising to around 62 overnight. Southeast wind 18 to 23 mph, with gusts as high as 36 mph. Chance of precipitation is 50%. New rainfall amounts less than a tenth of an inch possible.
A chance of showers and thunderstorms before 7am, then a chance of showers and thunderstorms between 7am and 9am, then a chance of showers and thunderstorms between 9am and 5pm, then showers and thunderstorms likely. Mostly cloudy, with a high near 77. Southeast wind around 18 mph, with gusts as high as 30 mph. Chance of precipitation is 60%. New rainfall amounts less than a tenth of an inch possible.
Showers and thunderstorms likely. Mostly cloudy, with a low around 56. Southeast wind 9 to 16 mph, with gusts as high as 26 mph. Chance of precipitation is 70%. New rainfall amounts less than a tenth of an inch possible.
A chance of rain showers. Partly sunny, with a high near 77. West wind 9 to 13 mph, with gusts as high as 21 mph. Chance of precipitation is 40%. New rainfall amounts less than a tenth of an inch possible.
A slight chance of rain showers before 7pm. Partly cloudy, with a low around 53. North wind 5 to 9 mph. Chance of precipitation is 20%.
Mostly sunny, with a high near 82. Southeast wind 6 to 12 mph.
A chance of showers and thunderstorms after 7pm. Partly cloudy, with a low around 58. South southeast wind around 12 mph, with gusts as high as 22 mph. Chance of precipitation is 40%.
A chance of showers and thunderstorms before 7am, then showers and thunderstorms likely. Partly sunny, with a high near 81. South wind around 15 mph, with gusts as high as 25 mph. Chance of precipitation is 60%.
Showers and thunderstorms likely before 1am, then a slight chance of showers and thunderstorms. Mostly cloudy, with a low around 57. Chance of precipitation is 60%.
A slight chance of showers and thunderstorms before 1pm, then a chance of showers and thunderstorms. Partly sunny, with a high near 79. Chance of precipitation is 30%.
A chance of showers and thunderstorms. Partly cloudy, with a low around 56. Chance of precipitation is 40%.
A chance of rain showers before 1pm, then a slight chance of showers and thunderstorms. Mostly sunny, with a high near 78. Chance of precipitation is 30%.
A slight chance of showers and thunderstorms before 1am. Partly cloudy, with a low around 54. Chance of precipitation is 20%.
Detailed Forecast
| Period | Conditions | Temp | Wind |
|---|---|---|---|
|
Today
May 30
|
Chance Showers And Thunderstorms
|
76°F |
13 to 22 mph
ESE
|
|
Tonight
May 30
|
Chance Showers And Thunderstorms
|
59°F |
18 to 23 mph
SE
|
|
Sunday
May 31
|
Chance Showers And Thunderstorms
|
77°F |
18 mph
SE
|
|
Sunday Night
May 31
|
Showers And Thunderstorms Likely
|
56°F |
9 to 16 mph
SE
|
|
Monday
Jun 1
|
Chance Rain Showers
|
77°F |
9 to 13 mph
W
|
|
Monday Night
Jun 1
|
Slight Chance Rain Showers then Partly Cloudy
|
53°F |
5 to 9 mph
N
|
|
Tuesday
Jun 2
|
Mostly Sunny
|
82°F |
6 to 12 mph
SE
|
|
Tuesday Night
Jun 2
|
Chance Showers And Thunderstorms
|
58°F |
12 mph
SSE
|
|
Wednesday
Jun 3
|
Chance Showers And Thunderstorms then Showers And Thunderstorms Likely
|
81°F |
15 mph
S
|
|
Wednesday Night
Jun 3
|
Showers And Thunderstorms Likely
|
57°F |
8 to 12 mph
S
|
|
Thursday
Jun 4
|
Slight Chance Showers And Thunderstorms
|
79°F |
9 mph
SSE
|
|
Thursday Night
Jun 4
|
Chance Showers And Thunderstorms
|
56°F |
8 mph
ENE
|
|
Friday
Jun 5
|
Chance Rain Showers then Slight Chance Showers And Thunderstorms
|
78°F |
10 mph
NNE
|
|
Friday Night
Jun 5
|
Slight Chance Showers And Thunderstorms
|
54°F |
6 to 9 mph
NE
|
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.