Weather WorldLewis and Clark State Park, ND Weather Forecast
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Lewis and Clark State Park Weather Forecast
| REST OF TODAY | TONIGHT | SUNDAY | SUNDAY NIGHT | MONDAY | MONDAY NIGHT | TUESDAY | TUESDAY NIGHT | WEDNESDAY | WEDNESDAY NIGHT | THURSDAY | THURSDAY NIGHT |
 |  | |  | |  |  |  | | | | |
| Mostly Sunny | Mostly Clear | Mostly Sunny | Chance of T-Storm | Mostly Sunny | Chance of Showers | Chance of Showers | Clouds | Sunny | Increasing Clouds | Mostly Sunny | Mostly Clear |
| Hi: 75°FHi: 24°C | Lo: 50°FLo: 10°C | Hi: 79°FHi: 26°C | Lo: 55°FLo: 13°C | Hi: 79°FHi: 26°C | Lo: 51°FLo: 11°C | Hi: 75°FHi: 24°C | Lo: 51°FLo: 11°C | Hi: 79°FHi: 26°C | Lo: 55°FLo: 13°C | Hi: 81°FHi: 27°C | Lo: 55°FLo: 13°C |
| POP: 60% | POP: 20% | POP: 20% |
POP = Probability of Precipitation.
Weather Outlook Updated: 336 PM CDT Sat Aug 15 2026 
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Lewis and Clark State Park Forecast Discussion
Issued: 245 PM CDT Sat Aug 15 2026
Key Messages
- Mainly dry today through Sunday, although low chances (20-30%) for thunderstorms return to the southwest Sunday afternoon.
- Low to medium chances (20-60%) for showers and isolated thunderstorms Sunday night.
- Near daily low to medium chances (20-60%) chances for rain expected through the week.
- Below normal temperatures this weekend, followed by a brief warm up on Monday. Cooler Tuesday and Wednesday, then warming later in the week.
Discussion
... Issued at 2...