Weather WorldLost Lake, MO Weather Forecast
Quick Weather Clicks
Settings
Sun & Moon
Lost Lake Weather Forecast
| OVERNIGHT | THURSDAY | THURSDAY NIGHT | FRIDAY | FRIDAY NIGHT | SATURDAY | SATURDAY NIGHT | SUNDAY | SUNDAY NIGHT | MONDAY | MONDAY NIGHT | TUESDAY |
 |  |  |  |  | |  |  | | | | |
| Chance of T-Storm | Chance of T-Storm | Mostly Cloudy | Chance of Showers | Mostly Clear | Chance of T-Storm | Chance of Showers | Mostly Sunny | Mostly Clear | Mostly Clear | Chance of T-Storm | Chance of T-Storm |
| Lo: 69°FLo: 21°C | Hi: 79°FHi: 26°C | Lo: 65°FLo: 18°C | Hi: 81°FHi: 27°C | Lo: 65°FLo: 18°C | Hi: 89°FHi: 32°C | Lo: 65°FLo: 18°C | Hi: 89°FHi: 32°C | Hi: 91°FHi: 33°C Lo: 69°FLo: 21°C | Hi: 91°FHi: 33°C Lo: 69°FLo: 21°C | Lo: 69°FLo: 21°C | Hi: 89°FHi: 32°C |
| POP: 70% | POP: 100% | POP: 50% | POP: 20% | POP: 20% | POP: 20% | POP: 40% |
POP = Probability of Precipitation.
Weather Outlook Updated: 1038 PM CDT Wed Sep 09 2026 
Lost Lake Radar Loop
Use the map search tool if you want to place a location marker on the radar map...
Lost Lake Weather Map
Lost Lake Quick Facts
Lost Lake Forecast Discussion
Meteorlogic Glosserator
Instant definitions for any meteorological term.
Instant definitions for any meteorological term.
Issued: 1147 PM CDT Wed Sep 9 2026
Key Messages
- Periods of showers and scattered thunderstorms are expected across the area through Thursday.
- Thunderstorms through early this evening will be capable of isolated damaging wind gusts mainly across southeastern Missouri.
- Locally heavy rainfall is expected tonight through Thursday morning. There is a low chance of flooding, mainly across southeastern Missouri.
Aviation
/00Z TAFS THROUGH 06Z FRIDAY/... Issued at 1146 PM CDT Wed Sep 9 2026
Showers and thunderstorms are impacting the central...