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Fortuna Weather Forecast
| TODAY | TONIGHT | SATURDAY | SATURDAY NIGHT | SUNDAY | SUNDAY NIGHT | MONDAY | MONDAY NIGHT | TUESDAY | TUESDAY NIGHT | WEDNESDAY | WEDNESDAY NIGHT |
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| Patchy Fog | Partly Cloudy | Clearing | Chance of Showers | Chance of T-Storm | Partly Cloudy | Sunny | Chance of Showers | Chance of T-Storm | Chance of T-Storm | Chance of T-Storm | Chance of T-Storm |
| Hi: 81°FHi: 27°C | Lo: 65°FLo: 18°C | Hi: 89°FHi: 32°C | Lo: 69°FLo: 21°C | Hi: 89°FHi: 32°C | Lo: 69°FLo: 21°C | Hi: 90°FHi: 32°C | Lo: 71°FLo: 22°C | Hi: 89°FHi: 32°C | Lo: 69°FLo: 21°C | Hi: 89°FHi: 32°C | Lo: 69°FLo: 21°C |
| POP: 30% | POP: 30% | POP: 20% | POP: 50% | POP: 50% | POP: 50% | POP: 50% |
POP = Probability of Precipitation.
Weather Outlook Updated: 542 AM CDT Fri Sep 11 2026 
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Issued: 642 AM CDT Fri Sep 11 2026
Key Messages
- Areas of dense fog is expected through mid-morning, especially across central and northeast Missouri into west central Illinois where a Dense Fog Advisory is in effect.
- There are chances (20-30%) for showers and a few thunderstorms through this weekend with better chances next week. Isolated storms late Saturday night could produce gusty winds and heavy downpours over central and northeast Missouri.
- Slowly increasing temperatures are expected through early next week.
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/12Z TAFS...