McCook County, SD Weather Forecast
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Showers And Thunderstorms Likely
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Showers and thunderstorms likely before 3am, then a chance of showers and thunderstorms. Mostly cloudy, with a low around 70. South southeast wind around 15 mph, with gusts as high as 30 mph. Chance of precipitation is 70%. New rainfall amounts less than a tenth of an inch possible.
County Weather Overview
This county weather page brings together forecast coverage for McCook 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 McCook County.
Page Snapshot
- Page focus
- county weather
- Forecast window
- Aug 29 to Sep 4, 2026
- Latest sync
- Aug 29, 2026 4:40 AM CDT
- Forecast office
- FSD
- Source
- NOAA / NWS
Daily Outlook
This Week in McCook County
Sunday looks like the warmest upcoming period in McCook County at 93 degrees F.
Tuesday Night is the coolest period ahead with temperatures near 63 degrees F.
The strongest winds are forecast for Overnight at about 15 mph SSE.
Precipitation is mentioned in 10 upcoming forecast periods.
Forecast Details
- Last updated
- Aug 29, 2026 4:40 AM CDT
- Coverage
- 7 days
- Time zone
- America/Chicago
- Forecast office
- FSD
- Radar station
- KFSD
Weather data is provided by the National Weather Service and refreshed automatically for U.S. locations.
Open NOAA sourceExtended Forecast
Mostly sunny, with a high near 92. South southwest wind 5 to 15 mph, with gusts as high as 25 mph. New rainfall amounts less than a tenth of an inch possible.
Partly cloudy, with a low around 71. East wind 5 to 10 mph.
Mostly sunny, with a high near 93. South southeast wind 5 to 10 mph.
Partly cloudy, with a low around 70. South wind 5 to 10 mph.
Partly sunny, with a high near 88. West northwest wind 5 to 10 mph.
A slight chance of showers and thunderstorms after 1am. Mostly cloudy, with a low around 66.
A chance of showers and thunderstorms. Mostly cloudy, with a high near 86. Chance of precipitation is 40%.
A chance of showers and thunderstorms. Partly cloudy, with a low around 63. Chance of precipitation is 40%.
A slight chance of showers and thunderstorms before 7am. Mostly sunny, with a high near 88.
A slight chance of showers and thunderstorms after 1am. Partly cloudy, with a low around 66.
A slight chance of showers and thunderstorms. Mostly sunny, with a high near 89.
A slight chance of rain showers before 7pm, then a slight chance of showers and thunderstorms. Partly cloudy, with a low around 67.
A slight chance of showers and thunderstorms before 7am. Mostly sunny, with a high near 88.
Detailed Forecast
| Period | Conditions | Temp | Wind |
|---|---|---|---|
|
Overnight
Aug 29
|
Showers And Thunderstorms Likely
|
70°F |
15 mph
SSE
|
|
Saturday
Aug 29
|
Mostly Sunny
|
92°F |
5 to 15 mph
SSW
|
|
Saturday Night
Aug 29
|
Partly Cloudy
|
71°F |
5 to 10 mph
E
|
|
Sunday
Aug 30
|
Mostly Sunny
|
93°F |
5 to 10 mph
SSE
|
|
Sunday Night
Aug 30
|
Partly Cloudy
|
70°F |
5 to 10 mph
S
|
|
Monday
Aug 31
|
Partly Sunny
|
88°F |
5 to 10 mph
WNW
|
|
Monday Night
Aug 31
|
Mostly Cloudy then Slight Chance Showers And Thunderstorms
|
66°F |
5 mph
E
|
|
Tuesday
Sep 1
|
Chance Showers And Thunderstorms
|
86°F |
5 to 10 mph
E
|
|
Tuesday Night
Sep 1
|
Chance Showers And Thunderstorms
|
63°F |
5 to 10 mph
ENE
|
|
Wednesday
Sep 2
|
Slight Chance Showers And Thunderstorms then Mostly Sunny
|
88°F |
5 to 10 mph
SE
|
|
Wednesday Night
Sep 2
|
Partly Cloudy then Slight Chance Showers And Thunderstorms
|
66°F |
10 mph
SE
|
|
Thursday
Sep 3
|
Slight Chance Showers And Thunderstorms
|
89°F |
10 mph
SSE
|
|
Thursday Night
Sep 3
|
Slight Chance Showers And Thunderstorms
|
67°F |
5 to 10 mph
SSE
|
|
Friday
Sep 4
|
Slight Chance Showers And Thunderstorms then Mostly Sunny
|
88°F |
10 mph
SE
|
Nearby Forecasts
Explore weather pages for nearby cities and major places around McCook County.
Nearby forecast pages are not available for this location yet.
Coverage
Forecast coverage currently spans 0 of 0 mapped cities in McCook County.
