Weather WorldMemar Lake, MO Weather Forecast
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Memar Lake Weather Forecast
| TONIGHT | FRIDAY | FRIDAY NIGHT | SATURDAY | SATURDAY NIGHT | SUNDAY | SUNDAY NIGHT | COLUMBUS DAY | MONDAY NIGHT | TUESDAY | TUESDAY NIGHT | WEDNESDAY |
 |  | | |  | | | | |  |  |  |
| Clear | Sunny | Clear | Sunny | Partly Cloudy | Mostly Clear | Mostly Clear | Mostly Clear | Mostly Clear | Chance of T-Storm | Chance of T-Storm | Chance of Showers |
| Lo: 61°FLo: 16°C | Hi: 91°FHi: 33°C | Lo: 61°FLo: 16°C | Hi: 89°FHi: 32°C | Lo: 59°FLo: 15°C | Hi: 85°FHi: 29°C Lo: 65°FLo: 18°C | Hi: 85°FHi: 29°C Lo: 65°FLo: 18°C | Hi: 91°FHi: 33°C Lo: 69°FLo: 21°C | Hi: 91°FHi: 33°C Lo: 69°FLo: 21°C | Hi: 85°FHi: 29°C | Lo: 61°FLo: 16°C | Hi: 81°FHi: 27°C |
| POP: 20% | POP: 30% | POP: 40% |
POP = Probability of Precipitation.
Weather Outlook Updated: 453 PM CDT Thu Oct 08 2026 
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Issued: 238 PM CDT Thu Oct 8 2026
Key Messages
- Near-record warmth and predominantly dry weather is forecast into early next week.
- The remnants of Tropical Cyclone Isaias bring slightly "cooler" temperatures Saturday and Sunday due to clouds, as well as chances of light rain in southeast Missouri and southwest Illinois.
Aviation
/18Z TAFS THROUGH 00Z SATURDAY/... Issued at 1212 PM CDT Thu Oct 8 2026
Dry and VFR conditions are expected through tonight. There is a low threat of river valley fog, but temperatures will be warmer tonight ...