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Foster County Weather Forecast
| REST OF TODAY | TONIGHT | SATURDAY | SATURDAY NIGHT | SUNDAY | SUNDAY NIGHT | LABOR DAY | MONDAY NIGHT | TUESDAY | TUESDAY NIGHT | WEDNESDAY | WEDNESDAY NIGHT |
 |  | | |  | | |  |  |  | |  |
| Mostly Sunny | Chance of T-Storm | Sunny | Chance of T-Storm | Chance of T-Storm | Chance of T-Storm | Chance of T-Storm | Chance of Showers | Clearing | Windy | Windy | Increasing Clouds |
| Hi: 81°FHi: 27°C | Lo: 61°FLo: 16°C | Hi: 89°FHi: 32°C | Lo: 69°FLo: 21°C | Hi: 85°FHi: 29°C | Lo: 65°FLo: 18°C | Hi: 81°FHi: 27°C | Lo: 65°FLo: 18°C | Hi: 79°FHi: 26°C | Lo: 55°FLo: 13°C | Hi: 71°FHi: 22°C | Lo: 50°FLo: 10°C |
| POP: 30% | POP: 30% | POP: 50% | POP: 60% | POP: 70% | POP: 30% |
POP = Probability of Precipitation.
Weather Outlook Updated: 131 PM CDT Fri Sep 04 2026 
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Issued: 101 PM CDT Fri Sep 4 2026
Key Messages
- Critical fire weather conditions in far southwest North Dakota this afternoon and early evening.
- Chances for showers and thunderstorms increase through the holiday weekend. A few strong to severe thunderstorms could develop Saturday through Sunday.
- Well above normal temperatures today and Saturday, followed by a gradual cooling trend through the middle of next week.
Discussion
... Issued at 528 AM CDT Fri Sep 4 2026
A low-amplitude ridge is building over the Northern Plains early this m...