Day County, SD Weather Forecast

County weather hub

76°
F

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.

Saturday, May 30, 2026
Wind: 13 to 22 mph ESE
Today

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 hub

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
Next High
76°F
Today
Next Low
59°F
Tonight
Rain Outlook
13
Periods mentioning precipitation
Windiest
18 to 23 mph
Tonight

Daily Outlook

Today
May 30
Chance Showers And Thunderstorms
76 °F
/ 59°F
Wind 13 to 22 mph
Sun
May 31
Chance Showers And Thunderstorms
77 °F
/ 56°F
Wind 18 mph
Mon
Jun 1
Chance Rain Showers
77 °F
/ 53°F
Wind 9 to 13 mph
Tue
Jun 2
Mostly Sunny
82 °F
/ 58°F
Wind 6 to 12 mph
Wed
Jun 3
Chance Showers And Thunderstorms then Showers And Thunderstorms Likely
81 °F
/ 57°F
Wind 15 mph
Thu
Jun 4
Slight Chance Showers And Thunderstorms
79 °F
/ 56°F
Wind 9 mph
Fri
Jun 5
Chance Rain Showers then Slight Chance Showers And Thunderstorms
78 °F
/ 54°F
Wind 10 mph

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 source

Extended Forecast

Tonight
May 30
59°F
Chance Showers And Thunderstorms
18 to 23 mph SE

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.

Sunday
May 31
77°F
Chance Showers And Thunderstorms
18 mph SE

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.

Sunday Night
May 31
56°F
Showers And Thunderstorms Likely
9 to 16 mph SE

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.

Monday
Jun 1
77°F
Chance Rain Showers
9 to 13 mph W

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.

Monday Night
Jun 1
53°F
Slight Chance Rain Showers then Partly Cloudy
5 to 9 mph N

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%.

Tuesday
Jun 2
82°F
Mostly Sunny
6 to 12 mph SE

Mostly sunny, with a high near 82. Southeast wind 6 to 12 mph.

Tuesday Night
Jun 2
58°F
Chance Showers And Thunderstorms
12 mph SSE

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%.

Wednesday
Jun 3
81°F
Chance Showers And Thunderstorms then Showers And Thunderstorms Likely
15 mph S

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%.

Wednesday Night
Jun 3
57°F
Showers And Thunderstorms Likely
8 to 12 mph S

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%.

Thursday
Jun 4
79°F
Slight Chance Showers And Thunderstorms
9 mph SSE

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%.

Thursday Night
Jun 4
56°F
Chance Showers And Thunderstorms
8 mph ENE

A chance of showers and thunderstorms. Partly cloudy, with a low around 56. Chance of precipitation is 40%.

Friday
Jun 5
78°F
Chance Rain Showers then Slight Chance Showers And Thunderstorms
10 mph NNE

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%.

Friday Night
Jun 5
54°F
Slight Chance Showers And Thunderstorms
6 to 9 mph NE

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

Tracked cities
1
Coverage
100%

Forecast coverage currently spans 1 of 1 mapped cities in Day County.

Largest mapped city population in this region: 1,694.

First National Bank NRHP 05000626 Day County  SD
First National Bank NRHP 05000626 Day County SD image
Weather data provided by the National Weather Service (NOAA). Forecast pages update automatically as new periods are synced for each supported U.S. location.