Buffalo County, SD Weather Forecast

County weather hub

69°
F

Mostly Sunny

Compare major city weather across Buffalo County, scan the latest forecast snapshots, and jump into local 7-day outlook pages from one hub.

Thursday, May 21, 2026
Wind: 13 to 20 mph SSE
Thursday

Mostly sunny, with a high near 69. South southeast wind 13 to 20 mph, with gusts as high as 28 mph.

County weather hub

County Weather Overview

This county weather page brings together forecast coverage for Buffalo County so visitors can compare temperatures, wind, and conditions across the region without hopping between unrelated pages.

Current forecast coverage spans 0 of 0 mapped cities in Buffalo County.

Page Snapshot

Page focus
county weather
Forecast window
May 21 to May 26, 2026
Latest sync
May 19, 2026 8:41 PM CDT
Forecast office
ABR
Source
NOAA / NWS
Next High
69°F
Thursday
Next Low
43°F
Thursday Night
Rain Outlook
3
Periods mentioning precipitation
Windiest
13 to 24 mph
Tuesday

Daily Outlook

Today
May 21
Mostly Sunny
69 °F
/ 43°F
Wind 13 to 20 mph
Fri
May 22
Showers And Thunderstorms
62 °F
/ 41°F
Wind 13 mph
Sat
May 23
Partly Sunny
73 °F
/ 45°F
Wind 7 mph
Sun
May 24
Sunny
84 °F
/ 51°F
Wind 6 to 13 mph
Mon
May 25
Sunny
89 °F
/ 55°F
Wind 7 to 16 mph
Tue
May 26
Mostly Sunny
88 °F
Wind 13 to 24 mph

This Week in Buffalo County

Memorial Day looks like the warmest upcoming period in Buffalo County at 89 degrees F.

Friday Night is the coolest period ahead with temperatures near 41 degrees F.

The strongest winds are forecast for Tuesday at about 13 to 24 mph SSE.

Precipitation is mentioned in 3 upcoming forecast periods.

Forecast Details

Last updated
May 19, 2026 8:41 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 source

Extended Forecast

Thursday Night
May 21
43°F
Mostly Cloudy then Chance Rain Showers
13 to 18 mph SE

A chance of rain showers after 1am. Mostly cloudy, with a low around 43. Southeast wind 13 to 18 mph. Chance of precipitation is 30%.

Friday
May 22
62°F
Showers And Thunderstorms
13 mph E

Rain showers likely before 1pm, then showers and thunderstorms. Mostly cloudy, with a high near 62. East wind around 13 mph, with gusts as high as 21 mph. Chance of precipitation is 80%. New rainfall amounts between a tenth and quarter of an inch possible.

Friday Night
May 22
41°F
Showers And Thunderstorms
5 to 10 mph ESE

Showers and thunderstorms before 1am. Mostly cloudy, with a low around 41. East southeast wind 5 to 10 mph. Chance of precipitation is 80%.

Saturday
May 23
73°F
Partly Sunny
7 mph WSW

Partly sunny, with a high near 73. West southwest wind around 7 mph.

Saturday Night
May 23
45°F
Mostly Clear
7 mph SE

Mostly clear, with a low around 45. Southeast wind around 7 mph.

Sunday
May 24
84°F
Sunny
6 to 13 mph SSE

Sunny, with a high near 84.

Sunday Night
May 24
51°F
Mostly Clear
7 to 12 mph SSE

Mostly clear, with a low around 51.

Memorial Day
May 25
89°F
Sunny
7 to 16 mph SSE

Sunny, with a high near 89.

Monday Night
May 25
55°F
Mostly Clear
14 mph SSE

Mostly clear, with a low around 55.

Tuesday
May 26
88°F
Mostly Sunny
13 to 24 mph SSE

Mostly sunny, with a high near 88.

Detailed Forecast

Period Conditions Temp Wind
Thursday
May 21
Mostly Sunny
69°F
13 to 20 mph
SSE
Thursday Night
May 21
Mostly Cloudy then Chance Rain Showers
43°F
13 to 18 mph
SE
Friday
May 22
Showers And Thunderstorms
62°F
13 mph
E
Friday Night
May 22
Showers And Thunderstorms
41°F
5 to 10 mph
ESE
Saturday
May 23
Partly Sunny
73°F
7 mph
WSW
Saturday Night
May 23
Mostly Clear
45°F
7 mph
SE
Sunday
May 24
Sunny
84°F
6 to 13 mph
SSE
Sunday Night
May 24
Mostly Clear
51°F
7 to 12 mph
SSE
Memorial Day
May 25
Sunny
89°F
7 to 16 mph
SSE
Monday Night
May 25
Mostly Clear
55°F
14 mph
SSE
Tuesday
May 26
Mostly Sunny
88°F
13 to 24 mph
SSE

Nearby Forecasts

Explore weather pages for nearby cities and major places around Buffalo County.

Nearby forecast pages are not available for this location yet.

Coverage

Tracked cities
0
Coverage
0%

Forecast coverage currently spans 0 of 0 mapped cities in Buffalo County.

USACE Fort Thompson Big Bend Dam
USACE Fort Thompson Big Bend Dam 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.