Cook Field, SD Weather Forecast
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Cook Field Weather Forecast
| TONIGHT | THURSDAY | THURSDAY NIGHT | FRIDAY | FRIDAY NIGHT | SATURDAY | SATURDAY NIGHT | SUNDAY | SUNDAY NIGHT | MONDAY | MONDAY NIGHT | TUESDAY |
| Mostly Cloudy | Clearing | Mostly Cloudy | Mostly Cloudy | Mostly Clear | Sunny | Mostly Clear | Mostly Sunny | Partly Cloudy | Mostly Sunny | Partly Cloudy | Mostly Sunny |
| Lo: 55°FLo: 13°C | Hi: 61°FHi: 16°C | Lo: 45°FLo: 7°C | Hi: 61°FHi: 16°C | Lo: 49°FLo: 9°C | Hi: 71°FHi: 22°C | Lo: 49°FLo: 9°C | Hi: 65°FHi: 18°C | Lo: 49°FLo: 9°C | Hi: 69°FHi: 21°C | Lo: 55°FLo: 13°C | Hi: 75°FHi: 24°C |
POP = Probability of Precipitation.
Weather Outlook Updated: 819 PM CDT Wed Sep 30 2026 

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Issued: 929 PM CDT Wed Sep 30 2026
Key Messages
- Rain will continue lifting through the U.S. Highway-20 corridor through tonight. Additional rainfall amounts mainly less than 0.25 inch are expected, but totals nearing 0.50 to locally 0.75 inch may push into far southern portions of Ida and Woodbury Counties.
- Drier and mild conditions settle into the area with only very minor chances for showers through early next week.
Discussion
... Issued at 111 PM CDT Wed Sep 30 2026
All indications continue to point towards keeping the heavier rai...
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