Weather WorldLost Lake, MO Weather Forecast
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Lost Lake Weather Forecast
| THIS AFTERNOON | TONIGHT | SUNDAY | SUNDAY NIGHT | MONDAY | MONDAY NIGHT | TUESDAY | TUESDAY NIGHT | WEDNESDAY | WEDNESDAY NIGHT | THURSDAY | THURSDAY NIGHT |
 |  |  |  |  |  | |  | |  | | |
| Sunny | Partly Cloudy | Chance of T-Storm | Thunderstorms | Clearing | Mostly Clear | Mostly Clear | Chance of T-Storm | Chance of T-Storm | Chance of Showers | Chance of T-Storm | Chance of T-Storm |
| Hi: 90°FHi: 32°C | Lo: 69°FLo: 21°C | Hi: 89°FHi: 32°C | Lo: 61°FLo: 16°C | Hi: 89°FHi: 32°C | Hi: 95°FHi: 35°C Lo: 70°FLo: 21°C | Hi: 95°FHi: 35°C Lo: 70°FLo: 21°C | Hi: 95°FHi: 35°C Lo: 71°FLo: 22°C | Hi: 95°FHi: 35°C Lo: 71°FLo: 22°C | Lo: 70°FLo: 21°C | Hi: 90°FHi: 32°C Lo: 65°FLo: 18°C | Hi: 90°FHi: 32°C Lo: 65°FLo: 18°C |
| POP: 40% | POP: 20% | POP: 20% | POP: 20% | POP: 20% | POP: 40% | POP: 40% |
POP = Probability of Precipitation.
Weather Outlook Updated: 223 PM CDT Sat Sep 12 2026 
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Issued: 227 PM CDT Sat Sep 12 2026
Key Messages
- Above normal temperatures will continue for the next several days with the hottest conditions forecast on Tuesday and Wednesday.
- Chances (30-60%) of showers and thunderstorms each day will be mainly confined to parts of northeast Missouri and west- central Illinois near a stalled front.
Aviation
/18Z TAFS THROUGH 00Z MONDAY/... Issued at 1210 PM CDT Sat Sep 12 2026
A weak front is moving through the area, with west/southwest winds veering to the north/northwest in its wake. Showers and ...