Weather WorldChain of Rocks Park, MO Weather Forecast
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Chain of Rocks Park Weather Forecast
| OVERNIGHT | FRIDAY | FRIDAY NIGHT | SATURDAY | SATURDAY NIGHT | SUNDAY | SUNDAY NIGHT | MONDAY | MONDAY NIGHT | TUESDAY | TUESDAY NIGHT | WEDNESDAY |
 | |  |  |  | | |  |  |  |  |  |
| Patchy Fog | Patchy Fog | Partly Cloudy | Sunny | Mostly Clear | Sunny | Partly Cloudy | Chance of Showers | Chance of T-Storm | Chance of Showers | Chance of Showers | Chance of T-Storm |
| Lo: 61°FLo: 16°C | Hi: 85°FHi: 29°C | Lo: 69°FLo: 21°C | Hi: 85°FHi: 29°C | Lo: 61°FLo: 16°C | Hi: 81°FHi: 27°C | Lo: 61°FLo: 16°C | Hi: 81°FHi: 27°C | Lo: 65°FLo: 18°C | Hi: 85°FHi: 29°C Lo: 69°FLo: 21°C | Hi: 85°FHi: 29°C Lo: 69°FLo: 21°C | Hi: 85°FHi: 29°C |
| POP: 20% | POP: 20% | POP: 20% | POP: 20% | POP: 20% |
POP = Probability of Precipitation.
Weather Outlook Updated: 1027 PM CDT Thu Aug 20 2026 
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Chain of Rocks Park Forecast Discussion
Issued: 1035 PM CDT Thu Aug 20 2026
Key Messages
- Another round of fog (some potentially dense) is favored tonight/Friday morning, mainly in river valleys.
- Near to slightly below average temperatures will persist through the weekend into early next week.
- There is a low (20 percent) chance of showers and a few thunderstorms Friday night into early Saturday afternoon.
Aviation
/00Z TAFS THROUGH 06Z SATURDAY/... Issued at 1028 PM CDT Thu Aug 20 2026
Fog is still expected across much of the area tonight, with ...