Weather WorldLac Emerald, MO Weather Forecast
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Lac Emerald Weather Forecast
| THIS AFTERNOON | TONIGHT | MONDAY | MONDAY NIGHT | TUESDAY | TUESDAY NIGHT | WEDNESDAY | THURSDAY | THURSDAY NIGHT | FRIDAY | FRIDAY NIGHT | SATURDAY |
 |  |  |  | | | |  |  |  | | |
| Thunderstorms | Partly Cloudy | Sunny | Mostly Clear | Sunny | Mostly Clear | Mostly Clear | Chance of T-Storm | Chance of Showers | Chance of Showers | Chance of Showers | Chance of T-Storm |
| Hi: 90°FHi: 32°C | Lo: 65°FLo: 18°C | Hi: 89°FHi: 32°C | Lo: 70°FLo: 21°C | Hi: 95°FHi: 35°C | Hi: 91°FHi: 33°C Lo: 70°FLo: 21°C | Hi: 91°FHi: 33°C Lo: 70°FLo: 21°C | Hi: 91°FHi: 33°C | Lo: 69°FLo: 21°C | Hi: 89°FHi: 32°C | Lo: 61°FLo: 16°C | Hi: 81°FHi: 27°C |
| POP: 20% | POP: 20% | POP: 20% | POP: 30% | POP: 20% | POP: 20% |
POP = Probability of Precipitation.
Weather Outlook Updated: 1123 AM CDT Sun Sep 13 2026 
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Issued: 1215 PM CDT Sun Sep 13 2026
Key Messages
- Unseasonably hot weather is expected this week with heat index readings at or above 100 degrees in some locations Tuesday into Thursday.
- There are chances (30-70%) of showers and thunderstorms each day that are mainly confined to parts of northeast Missouri and west- central Illinois near a stalled front.
Aviation
/18Z TAFS THROUGH 00Z TUESDAY/... Issued at 1212 PM CDT Sun Sep 13 2026
A few showers and thunderstorms are possible this afternoon in southeast Missouri, though south of the ...