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Joe Foss Field Weather Forecast
| TODAY | TONIGHT | THURSDAY | THURSDAY NIGHT | FRIDAY | FRIDAY NIGHT | SATURDAY | SATURDAY NIGHT | SUNDAY | SUNDAY NIGHT | MONDAY | MONDAY NIGHT |
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| Fog | Cloudy | Partly Sunny | Partly Cloudy | Mostly Sunny | Partly Cloudy | Mostly Sunny | Partly Cloudy | Sunny | Mostly Clear | Sunny | Partly Cloudy |
| Hi: 71°FHi: 22°C | Lo: 55°FLo: 13°C | Hi: 61°FHi: 16°C | Lo: 45°FLo: 7°C | Hi: 60°FHi: 16°C | Lo: 49°FLo: 9°C | Hi: 65°FHi: 18°C | Lo: 49°FLo: 9°C | Hi: 61°FHi: 16°C | Lo: 45°FLo: 7°C | Hi: 60°FHi: 16°C | Lo: 51°FLo: 11°C |
POP = Probability of Precipitation.
Weather Outlook Updated: 639 AM CDT Wed Sep 30 2026 
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Issued: 645 AM CDT Wed Sep 30 2026
Key Messages
- Dense fog remains most widespread east of Highway 81, with areas of dense fog farther west. A Dense Fog Advisory covers the entire forecast area through 10 AM. Visibility 1/4 mile or less will be prevalent through the morning commute.
- Additional showers will lift through the U.S. Highway-20 corridor in northwestern IA this afternoon/evening. Rainfall amounts mainly less than 0.25 inch are expected, but totals nearing 0.50 inch may push into far southern portions of Ida and possibly W...